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v3.1
   1/*
   2 * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
   3 *
   4 * Copyright (c) 2008-2009 USI Co., Ltd.
   5 * All rights reserved.
   6 *
   7 * Redistribution and use in source and binary forms, with or without
   8 * modification, are permitted provided that the following conditions
   9 * are met:
  10 * 1. Redistributions of source code must retain the above copyright
  11 *    notice, this list of conditions, and the following disclaimer,
  12 *    without modification.
  13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  14 *    substantially similar to the "NO WARRANTY" disclaimer below
  15 *    ("Disclaimer") and any redistribution must be conditioned upon
  16 *    including a substantially similar Disclaimer requirement for further
  17 *    binary redistribution.
  18 * 3. Neither the names of the above-listed copyright holders nor the names
  19 *    of any contributors may be used to endorse or promote products derived
  20 *    from this software without specific prior written permission.
  21 *
  22 * Alternatively, this software may be distributed under the terms of the
  23 * GNU General Public License ("GPL") version 2 as published by the Free
  24 * Software Foundation.
  25 *
  26 * NO WARRANTY
  27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37 * POSSIBILITY OF SUCH DAMAGES.
  38 *
  39 */
  40 #include <linux/slab.h>
  41 #include "pm8001_sas.h"
  42 #include "pm8001_hwi.h"
  43 #include "pm8001_chips.h"
  44 #include "pm8001_ctl.h"
 
  45
  46/**
  47 * read_main_config_table - read the configure table and save it.
  48 * @pm8001_ha: our hba card information
  49 */
  50static void __devinit read_main_config_table(struct pm8001_hba_info *pm8001_ha)
  51{
  52	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
  53	pm8001_ha->main_cfg_tbl.signature	= pm8001_mr32(address, 0x00);
  54	pm8001_ha->main_cfg_tbl.interface_rev	= pm8001_mr32(address, 0x04);
  55	pm8001_ha->main_cfg_tbl.firmware_rev	= pm8001_mr32(address, 0x08);
  56	pm8001_ha->main_cfg_tbl.max_out_io	= pm8001_mr32(address, 0x0C);
  57	pm8001_ha->main_cfg_tbl.max_sgl		= pm8001_mr32(address, 0x10);
  58	pm8001_ha->main_cfg_tbl.ctrl_cap_flag	= pm8001_mr32(address, 0x14);
  59	pm8001_ha->main_cfg_tbl.gst_offset	= pm8001_mr32(address, 0x18);
  60	pm8001_ha->main_cfg_tbl.inbound_queue_offset =
 
 
 
 
 
 
 
  61		pm8001_mr32(address, MAIN_IBQ_OFFSET);
  62	pm8001_ha->main_cfg_tbl.outbound_queue_offset =
  63		pm8001_mr32(address, MAIN_OBQ_OFFSET);
  64	pm8001_ha->main_cfg_tbl.hda_mode_flag	=
  65		pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
  66
  67	/* read analog Setting offset from the configuration table */
  68	pm8001_ha->main_cfg_tbl.anolog_setup_table_offset =
  69		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
  70
  71	/* read Error Dump Offset and Length */
  72	pm8001_ha->main_cfg_tbl.fatal_err_dump_offset0 =
  73		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
  74	pm8001_ha->main_cfg_tbl.fatal_err_dump_length0 =
  75		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
  76	pm8001_ha->main_cfg_tbl.fatal_err_dump_offset1 =
  77		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
  78	pm8001_ha->main_cfg_tbl.fatal_err_dump_length1 =
  79		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
  80}
  81
  82/**
  83 * read_general_status_table - read the general status table and save it.
  84 * @pm8001_ha: our hba card information
  85 */
  86static void __devinit
  87read_general_status_table(struct pm8001_hba_info *pm8001_ha)
  88{
  89	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
  90	pm8001_ha->gs_tbl.gst_len_mpistate	= pm8001_mr32(address, 0x00);
  91	pm8001_ha->gs_tbl.iq_freeze_state0	= pm8001_mr32(address, 0x04);
  92	pm8001_ha->gs_tbl.iq_freeze_state1	= pm8001_mr32(address, 0x08);
  93	pm8001_ha->gs_tbl.msgu_tcnt		= pm8001_mr32(address, 0x0C);
  94	pm8001_ha->gs_tbl.iop_tcnt		= pm8001_mr32(address, 0x10);
  95	pm8001_ha->gs_tbl.reserved		= pm8001_mr32(address, 0x14);
  96	pm8001_ha->gs_tbl.phy_state[0]	= pm8001_mr32(address, 0x18);
  97	pm8001_ha->gs_tbl.phy_state[1]	= pm8001_mr32(address, 0x1C);
  98	pm8001_ha->gs_tbl.phy_state[2]	= pm8001_mr32(address, 0x20);
  99	pm8001_ha->gs_tbl.phy_state[3]	= pm8001_mr32(address, 0x24);
 100	pm8001_ha->gs_tbl.phy_state[4]	= pm8001_mr32(address, 0x28);
 101	pm8001_ha->gs_tbl.phy_state[5]	= pm8001_mr32(address, 0x2C);
 102	pm8001_ha->gs_tbl.phy_state[6]	= pm8001_mr32(address, 0x30);
 103	pm8001_ha->gs_tbl.phy_state[7]	= pm8001_mr32(address, 0x34);
 104	pm8001_ha->gs_tbl.reserved1		= pm8001_mr32(address, 0x38);
 105	pm8001_ha->gs_tbl.reserved2		= pm8001_mr32(address, 0x3C);
 106	pm8001_ha->gs_tbl.reserved3		= pm8001_mr32(address, 0x40);
 107	pm8001_ha->gs_tbl.recover_err_info[0]	= pm8001_mr32(address, 0x44);
 108	pm8001_ha->gs_tbl.recover_err_info[1]	= pm8001_mr32(address, 0x48);
 109	pm8001_ha->gs_tbl.recover_err_info[2]	= pm8001_mr32(address, 0x4C);
 110	pm8001_ha->gs_tbl.recover_err_info[3]	= pm8001_mr32(address, 0x50);
 111	pm8001_ha->gs_tbl.recover_err_info[4]	= pm8001_mr32(address, 0x54);
 112	pm8001_ha->gs_tbl.recover_err_info[5]	= pm8001_mr32(address, 0x58);
 113	pm8001_ha->gs_tbl.recover_err_info[6]	= pm8001_mr32(address, 0x5C);
 114	pm8001_ha->gs_tbl.recover_err_info[7]	= pm8001_mr32(address, 0x60);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 115}
 116
 117/**
 118 * read_inbnd_queue_table - read the inbound queue table and save it.
 119 * @pm8001_ha: our hba card information
 120 */
 121static void __devinit
 122read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 123{
 124	int inbQ_num = 1;
 125	int i;
 126	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 127	for (i = 0; i < inbQ_num; i++) {
 128		u32 offset = i * 0x20;
 129		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
 130		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 131		pm8001_ha->inbnd_q_tbl[i].pi_offset =
 132			pm8001_mr32(address, (offset + 0x18));
 133	}
 134}
 135
 136/**
 137 * read_outbnd_queue_table - read the outbound queue table and save it.
 138 * @pm8001_ha: our hba card information
 139 */
 140static void __devinit
 141read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 142{
 143	int outbQ_num = 1;
 144	int i;
 145	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 146	for (i = 0; i < outbQ_num; i++) {
 147		u32 offset = i * 0x24;
 148		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
 149		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 150		pm8001_ha->outbnd_q_tbl[i].ci_offset =
 151			pm8001_mr32(address, (offset + 0x18));
 152	}
 153}
 154
 155/**
 156 * init_default_table_values - init the default table.
 157 * @pm8001_ha: our hba card information
 158 */
 159static void __devinit
 160init_default_table_values(struct pm8001_hba_info *pm8001_ha)
 161{
 162	int qn = 1;
 163	int i;
 164	u32 offsetib, offsetob;
 165	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
 166	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 167
 168	pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd			= 0;
 169	pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3 		= 0;
 170	pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7		= 0;
 171	pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3		= 0;
 172	pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7		= 0;
 173	pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3	= 0;
 174	pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7	= 0;
 175	pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3	= 0;
 176	pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7	= 0;
 177	pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3	= 0;
 178	pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7	= 0;
 179
 180	pm8001_ha->main_cfg_tbl.upper_event_log_addr		=
 181		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
 182	pm8001_ha->main_cfg_tbl.lower_event_log_addr		=
 183		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
 184	pm8001_ha->main_cfg_tbl.event_log_size	= PM8001_EVENT_LOG_SIZE;
 185	pm8001_ha->main_cfg_tbl.event_log_option		= 0x01;
 186	pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr	=
 
 187		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
 188	pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr	=
 189		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
 190	pm8001_ha->main_cfg_tbl.iop_event_log_size	= PM8001_EVENT_LOG_SIZE;
 191	pm8001_ha->main_cfg_tbl.iop_event_log_option		= 0x01;
 192	pm8001_ha->main_cfg_tbl.fatal_err_interrupt		= 0x01;
 193	for (i = 0; i < qn; i++) {
 
 194		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
 195			0x00000100 | (0x00000040 << 16) | (0x00<<30);
 196		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
 197			pm8001_ha->memoryMap.region[IB].phys_addr_hi;
 198		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
 199		pm8001_ha->memoryMap.region[IB].phys_addr_lo;
 200		pm8001_ha->inbnd_q_tbl[i].base_virt		=
 201			(u8 *)pm8001_ha->memoryMap.region[IB].virt_ptr;
 202		pm8001_ha->inbnd_q_tbl[i].total_length		=
 203			pm8001_ha->memoryMap.region[IB].total_len;
 204		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
 205			pm8001_ha->memoryMap.region[CI].phys_addr_hi;
 206		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
 207			pm8001_ha->memoryMap.region[CI].phys_addr_lo;
 208		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
 209			pm8001_ha->memoryMap.region[CI].virt_ptr;
 
 210		offsetib = i * 0x20;
 211		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
 212			get_pci_bar_index(pm8001_mr32(addressib,
 213				(offsetib + 0x14)));
 214		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
 215			pm8001_mr32(addressib, (offsetib + 0x18));
 216		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
 217		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
 218	}
 219	for (i = 0; i < qn; i++) {
 220		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
 221			256 | (64 << 16) | (1<<30);
 222		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
 223			pm8001_ha->memoryMap.region[OB].phys_addr_hi;
 224		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
 225			pm8001_ha->memoryMap.region[OB].phys_addr_lo;
 226		pm8001_ha->outbnd_q_tbl[i].base_virt		=
 227			(u8 *)pm8001_ha->memoryMap.region[OB].virt_ptr;
 228		pm8001_ha->outbnd_q_tbl[i].total_length		=
 229			pm8001_ha->memoryMap.region[OB].total_len;
 230		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
 231			pm8001_ha->memoryMap.region[PI].phys_addr_hi;
 232		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
 233			pm8001_ha->memoryMap.region[PI].phys_addr_lo;
 234		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay	=
 235			0 | (10 << 16) | (0 << 24);
 236		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
 237			pm8001_ha->memoryMap.region[PI].virt_ptr;
 
 238		offsetob = i * 0x24;
 239		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
 240			get_pci_bar_index(pm8001_mr32(addressob,
 241			offsetob + 0x14));
 242		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
 243			pm8001_mr32(addressob, (offsetob + 0x18));
 244		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
 245		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
 246	}
 247}
 248
 249/**
 250 * update_main_config_table - update the main default table to the HBA.
 251 * @pm8001_ha: our hba card information
 252 */
 253static void __devinit
 254update_main_config_table(struct pm8001_hba_info *pm8001_ha)
 255{
 256	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
 257	pm8001_mw32(address, 0x24,
 258		pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd);
 259	pm8001_mw32(address, 0x28,
 260		pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3);
 261	pm8001_mw32(address, 0x2C,
 262		pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7);
 263	pm8001_mw32(address, 0x30,
 264		pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3);
 265	pm8001_mw32(address, 0x34,
 266		pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7);
 267	pm8001_mw32(address, 0x38,
 268		pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3);
 
 269	pm8001_mw32(address, 0x3C,
 270		pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7);
 
 271	pm8001_mw32(address, 0x40,
 272		pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3);
 
 273	pm8001_mw32(address, 0x44,
 274		pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7);
 
 275	pm8001_mw32(address, 0x48,
 276		pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3);
 
 277	pm8001_mw32(address, 0x4C,
 278		pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7);
 
 279	pm8001_mw32(address, 0x50,
 280		pm8001_ha->main_cfg_tbl.upper_event_log_addr);
 281	pm8001_mw32(address, 0x54,
 282		pm8001_ha->main_cfg_tbl.lower_event_log_addr);
 283	pm8001_mw32(address, 0x58, pm8001_ha->main_cfg_tbl.event_log_size);
 284	pm8001_mw32(address, 0x5C, pm8001_ha->main_cfg_tbl.event_log_option);
 
 
 285	pm8001_mw32(address, 0x60,
 286		pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr);
 287	pm8001_mw32(address, 0x64,
 288		pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr);
 289	pm8001_mw32(address, 0x68, pm8001_ha->main_cfg_tbl.iop_event_log_size);
 
 290	pm8001_mw32(address, 0x6C,
 291		pm8001_ha->main_cfg_tbl.iop_event_log_option);
 292	pm8001_mw32(address, 0x70,
 293		pm8001_ha->main_cfg_tbl.fatal_err_interrupt);
 294}
 295
 296/**
 297 * update_inbnd_queue_table - update the inbound queue table to the HBA.
 298 * @pm8001_ha: our hba card information
 
 299 */
 300static void __devinit
 301update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
 302{
 303	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 304	u16 offset = number * 0x20;
 305	pm8001_mw32(address, offset + 0x00,
 306		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
 307	pm8001_mw32(address, offset + 0x04,
 308		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
 309	pm8001_mw32(address, offset + 0x08,
 310		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
 311	pm8001_mw32(address, offset + 0x0C,
 312		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
 313	pm8001_mw32(address, offset + 0x10,
 314		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
 315}
 316
 317/**
 318 * update_outbnd_queue_table - update the outbound queue table to the HBA.
 319 * @pm8001_ha: our hba card information
 
 320 */
 321static void __devinit
 322update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
 323{
 324	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 325	u16 offset = number * 0x24;
 326	pm8001_mw32(address, offset + 0x00,
 327		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
 328	pm8001_mw32(address, offset + 0x04,
 329		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
 330	pm8001_mw32(address, offset + 0x08,
 331		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
 332	pm8001_mw32(address, offset + 0x0C,
 333		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
 334	pm8001_mw32(address, offset + 0x10,
 335		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
 336	pm8001_mw32(address, offset + 0x1C,
 337		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
 338}
 339
 340/**
 341 * bar4_shift - function is called to shift BAR base address
 342 * @pm8001_ha : our hba card information
 343 * @shiftValue : shifting value in memory bar.
 344 */
 345static int bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
 346{
 347	u32 regVal;
 348	u32 max_wait_count;
 349
 350	/* program the inbound AXI translation Lower Address */
 351	pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
 352
 353	/* confirm the setting is written */
 354	max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
 355	do {
 356		udelay(1);
 357		regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
 358	} while ((regVal != shiftValue) && (--max_wait_count));
 359
 360	if (!max_wait_count) {
 361		PM8001_INIT_DBG(pm8001_ha,
 362			pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
 363			" = 0x%x\n", regVal));
 364		return -1;
 365	}
 366	return 0;
 367}
 368
 369/**
 370 * mpi_set_phys_g3_with_ssc
 371 * @pm8001_ha: our hba card information
 372 * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
 373 */
 374static void __devinit
 375mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit)
 376{
 377	u32 value, offset, i;
 
 378
 379#define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
 380#define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
 381#define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
 382#define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
 383#define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
 384#define PHY_G3_WITH_SSC_BIT_SHIFT 13
 385#define SNW3_PHY_CAPABILITIES_PARITY 31
 386
 387   /*
 388    * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
 389    * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
 390    */
 391	if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR))
 
 
 
 392		return;
 
 393
 394	for (i = 0; i < 4; i++) {
 395		offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
 396		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 397	}
 398	/* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
 399	if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR))
 
 
 400		return;
 
 401	for (i = 4; i < 8; i++) {
 402		offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 403		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 404	}
 405	/*************************************************************
 406	Change the SSC upspreading value to 0x0 so that upspreading is disabled.
 407	Device MABC SMOD0 Controls
 408	Address: (via MEMBASE-III):
 409	Using shifted destination address 0x0_0000: with Offset 0xD8
 410
 411	31:28 R/W Reserved Do not change
 412	27:24 R/W SAS_SMOD_SPRDUP 0000
 413	23:20 R/W SAS_SMOD_SPRDDN 0000
 414	19:0  R/W  Reserved Do not change
 415	Upon power-up this register will read as 0x8990c016,
 416	and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
 417	so that the written value will be 0x8090c016.
 418	This will ensure only down-spreading SSC is enabled on the SPC.
 419	*************************************************************/
 420	value = pm8001_cr32(pm8001_ha, 2, 0xd8);
 421	pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
 422
 423	/*set the shifted destination address to 0x0 to avoid error operation */
 424	bar4_shift(pm8001_ha, 0x0);
 
 425	return;
 426}
 427
 428/**
 429 * mpi_set_open_retry_interval_reg
 430 * @pm8001_ha: our hba card information
 431 * @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
 432 */
 433static void __devinit
 434mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
 435				u32 interval)
 436{
 437	u32 offset;
 438	u32 value;
 439	u32 i;
 
 440
 441#define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
 442#define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
 443#define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
 444#define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
 445#define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
 446
 447	value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
 
 448	/* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
 449	if (-1 == bar4_shift(pm8001_ha,
 450			     OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR))
 
 451		return;
 
 452	for (i = 0; i < 4; i++) {
 453		offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
 454		pm8001_cw32(pm8001_ha, 2, offset, value);
 455	}
 456
 457	if (-1 == bar4_shift(pm8001_ha,
 458			     OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR))
 
 459		return;
 
 460	for (i = 4; i < 8; i++) {
 461		offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 462		pm8001_cw32(pm8001_ha, 2, offset, value);
 463	}
 464	/*set the shifted destination address to 0x0 to avoid error operation */
 465	bar4_shift(pm8001_ha, 0x0);
 
 466	return;
 467}
 468
 469/**
 470 * mpi_init_check - check firmware initialization status.
 471 * @pm8001_ha: our hba card information
 472 */
 473static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
 474{
 475	u32 max_wait_count;
 476	u32 value;
 477	u32 gst_len_mpistate;
 478	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
 479	table is updated */
 480	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
 481	/* wait until Inbound DoorBell Clear Register toggled */
 482	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 483	do {
 484		udelay(1);
 485		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 486		value &= SPC_MSGU_CFG_TABLE_UPDATE;
 487	} while ((value != 0) && (--max_wait_count));
 488
 489	if (!max_wait_count)
 490		return -1;
 491	/* check the MPI-State for initialization */
 492	gst_len_mpistate =
 493		pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 494		GST_GSTLEN_MPIS_OFFSET);
 495	if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
 496		return -1;
 497	/* check MPI Initialization error */
 498	gst_len_mpistate = gst_len_mpistate >> 16;
 499	if (0x0000 != gst_len_mpistate)
 500		return -1;
 501	return 0;
 502}
 503
 504/**
 505 * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
 506 * @pm8001_ha: our hba card information
 507 */
 508static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
 509{
 510	u32 value, value1;
 511	u32 max_wait_count;
 512	/* check error state */
 513	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 514	value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 515	/* check AAP error */
 516	if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
 517		/* error state */
 518		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 519		return -1;
 520	}
 521
 522	/* check IOP error */
 523	if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
 524		/* error state */
 525		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
 526		return -1;
 527	}
 528
 529	/* bit 4-31 of scratch pad1 should be zeros if it is not
 530	in error state*/
 531	if (value & SCRATCH_PAD1_STATE_MASK) {
 532		/* error case */
 533		pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 534		return -1;
 535	}
 536
 537	/* bit 2, 4-31 of scratch pad2 should be zeros if it is not
 538	in error state */
 539	if (value1 & SCRATCH_PAD2_STATE_MASK) {
 540		/* error case */
 541		return -1;
 542	}
 543
 544	max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
 545
 546	/* wait until scratch pad 1 and 2 registers in ready state  */
 547	do {
 548		udelay(1);
 549		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 550			& SCRATCH_PAD1_RDY;
 551		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 552			& SCRATCH_PAD2_RDY;
 553		if ((--max_wait_count) == 0)
 554			return -1;
 555	} while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
 556	return 0;
 557}
 558
 559static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 560{
 561	void __iomem *base_addr;
 562	u32	value;
 563	u32	offset;
 564	u32	pcibar;
 565	u32	pcilogic;
 566
 567	value = pm8001_cr32(pm8001_ha, 0, 0x44);
 568	offset = value & 0x03FFFFFF;
 569	PM8001_INIT_DBG(pm8001_ha,
 570		pm8001_printk("Scratchpad 0 Offset: %x \n", offset));
 571	pcilogic = (value & 0xFC000000) >> 26;
 572	pcibar = get_pci_bar_index(pcilogic);
 573	PM8001_INIT_DBG(pm8001_ha,
 574		pm8001_printk("Scratchpad 0 PCI BAR: %d \n", pcibar));
 575	pm8001_ha->main_cfg_tbl_addr = base_addr =
 576		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 577	pm8001_ha->general_stat_tbl_addr =
 578		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
 579	pm8001_ha->inbnd_q_tbl_addr =
 580		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
 581	pm8001_ha->outbnd_q_tbl_addr =
 582		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
 583}
 584
 585/**
 586 * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
 587 * @pm8001_ha: our hba card information
 588 */
 589static int __devinit pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
 590{
 
 
 
 
 
 
 
 
 
 
 
 
 
 591	/* check the firmware status */
 592	if (-1 == check_fw_ready(pm8001_ha)) {
 593		PM8001_FAIL_DBG(pm8001_ha,
 594			pm8001_printk("Firmware is not ready!\n"));
 595		return -EBUSY;
 596	}
 597
 598	/* Initialize pci space address eg: mpi offset */
 599	init_pci_device_addresses(pm8001_ha);
 600	init_default_table_values(pm8001_ha);
 601	read_main_config_table(pm8001_ha);
 602	read_general_status_table(pm8001_ha);
 603	read_inbnd_queue_table(pm8001_ha);
 604	read_outbnd_queue_table(pm8001_ha);
 605	/* update main config table ,inbound table and outbound table */
 606	update_main_config_table(pm8001_ha);
 607	update_inbnd_queue_table(pm8001_ha, 0);
 608	update_outbnd_queue_table(pm8001_ha, 0);
 609	mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
 610	mpi_set_open_retry_interval_reg(pm8001_ha, 7);
 
 
 
 
 
 
 611	/* notify firmware update finished and check initialization status */
 612	if (0 == mpi_init_check(pm8001_ha)) {
 613		PM8001_INIT_DBG(pm8001_ha,
 614			pm8001_printk("MPI initialize successful!\n"));
 615	} else
 616		return -EBUSY;
 617	/*This register is a 16-bit timer with a resolution of 1us. This is the
 618	timer used for interrupt delay/coalescing in the PCIe Application Layer.
 619	Zero is not a valid value. A value of 1 in the register will cause the
 620	interrupts to be normal. A value greater than 1 will cause coalescing
 621	delays.*/
 622	pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
 623	pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
 624	return 0;
 625}
 626
 
 
 
 
 627static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
 628{
 629	u32 max_wait_count;
 630	u32 value;
 631	u32 gst_len_mpistate;
 
 
 
 
 
 
 
 
 
 
 632	init_pci_device_addresses(pm8001_ha);
 633	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
 634	table is stop */
 635	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
 636
 637	/* wait until Inbound DoorBell Clear Register toggled */
 638	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 639	do {
 640		udelay(1);
 641		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 642		value &= SPC_MSGU_CFG_TABLE_RESET;
 643	} while ((value != 0) && (--max_wait_count));
 644
 645	if (!max_wait_count) {
 646		PM8001_FAIL_DBG(pm8001_ha,
 647			pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
 648		return -1;
 649	}
 650
 651	/* check the MPI-State for termination in progress */
 652	/* wait until Inbound DoorBell Clear Register toggled */
 653	max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
 654	do {
 655		udelay(1);
 656		gst_len_mpistate =
 657			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 658			GST_GSTLEN_MPIS_OFFSET);
 659		if (GST_MPI_STATE_UNINIT ==
 660			(gst_len_mpistate & GST_MPI_STATE_MASK))
 661			break;
 662	} while (--max_wait_count);
 663	if (!max_wait_count) {
 664		PM8001_FAIL_DBG(pm8001_ha,
 665			pm8001_printk(" TIME OUT MPI State = 0x%x\n",
 666				gst_len_mpistate & GST_MPI_STATE_MASK));
 667		return -1;
 668	}
 669	return 0;
 670}
 671
 672/**
 673 * soft_reset_ready_check - Function to check FW is ready for soft reset.
 674 * @pm8001_ha: our hba card information
 675 */
 676static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
 677{
 678	u32 regVal, regVal1, regVal2;
 679	if (mpi_uninit_check(pm8001_ha) != 0) {
 680		PM8001_FAIL_DBG(pm8001_ha,
 681			pm8001_printk("MPI state is not ready\n"));
 682		return -1;
 683	}
 684	/* read the scratch pad 2 register bit 2 */
 685	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 686		& SCRATCH_PAD2_FWRDY_RST;
 687	if (regVal == SCRATCH_PAD2_FWRDY_RST) {
 688		PM8001_INIT_DBG(pm8001_ha,
 689			pm8001_printk("Firmware is ready for reset .\n"));
 690	} else {
 691	/* Trigger NMI twice via RB6 */
 692		if (-1 == bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
 693			PM8001_FAIL_DBG(pm8001_ha,
 694				pm8001_printk("Shift Bar4 to 0x%x failed\n",
 695					RB6_ACCESS_REG));
 
 
 
 696			return -1;
 697		}
 698		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
 699			RB6_MAGIC_NUMBER_RST);
 700		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
 701		/* wait for 100 ms */
 702		mdelay(100);
 703		regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
 704			SCRATCH_PAD2_FWRDY_RST;
 705		if (regVal != SCRATCH_PAD2_FWRDY_RST) {
 706			regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 707			regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 708			PM8001_FAIL_DBG(pm8001_ha,
 709				pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
 710				"=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
 711				regVal1, regVal2));
 712			PM8001_FAIL_DBG(pm8001_ha,
 713				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
 714				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
 715			PM8001_FAIL_DBG(pm8001_ha,
 716				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
 717				pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
 718			return -1;
 719		}
 
 720	}
 721	return 0;
 722}
 723
 724/**
 725 * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
 726 * the FW register status to the originated status.
 727 * @pm8001_ha: our hba card information
 728 * @signature: signature in host scratch pad0 register.
 729 */
 730static int
 731pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature)
 732{
 733	u32	regVal, toggleVal;
 734	u32	max_wait_count;
 735	u32	regVal1, regVal2, regVal3;
 
 
 736
 737	/* step1: Check FW is ready for soft reset */
 738	if (soft_reset_ready_check(pm8001_ha) != 0) {
 739		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
 740		return -1;
 741	}
 742
 743	/* step 2: clear NMI status register on AAP1 and IOP, write the same
 744	value to clear */
 745	/* map 0x60000 to BAR4(0x20), BAR2(win) */
 746	if (-1 == bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
 747		PM8001_FAIL_DBG(pm8001_ha,
 748			pm8001_printk("Shift Bar4 to 0x%x failed\n",
 749			MBIC_AAP1_ADDR_BASE));
 
 750		return -1;
 751	}
 752	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
 753	PM8001_INIT_DBG(pm8001_ha,
 754		pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
 755	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
 756	/* map 0x70000 to BAR4(0x20), BAR2(win) */
 757	if (-1 == bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
 758		PM8001_FAIL_DBG(pm8001_ha,
 759			pm8001_printk("Shift Bar4 to 0x%x failed\n",
 760			MBIC_IOP_ADDR_BASE));
 761		return -1;
 762	}
 763	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
 764	PM8001_INIT_DBG(pm8001_ha,
 765		pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
 766	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
 767
 768	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
 769	PM8001_INIT_DBG(pm8001_ha,
 770		pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
 771	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
 772
 773	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
 774	PM8001_INIT_DBG(pm8001_ha,
 775		pm8001_printk("PCIE - Event Interrupt  = 0x%x\n", regVal));
 776	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
 777
 778	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
 779	PM8001_INIT_DBG(pm8001_ha,
 780		pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
 781	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
 782
 783	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
 784	PM8001_INIT_DBG(pm8001_ha,
 785		pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
 786	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
 787
 788	/* read the scratch pad 1 register bit 2 */
 789	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 790		& SCRATCH_PAD1_RST;
 791	toggleVal = regVal ^ SCRATCH_PAD1_RST;
 792
 793	/* set signature in host scratch pad0 register to tell SPC that the
 794	host performs the soft reset */
 795	pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
 796
 797	/* read required registers for confirmming */
 798	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
 799	if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 800		PM8001_FAIL_DBG(pm8001_ha,
 801			pm8001_printk("Shift Bar4 to 0x%x failed\n",
 802			GSM_ADDR_BASE));
 803		return -1;
 804	}
 805	PM8001_INIT_DBG(pm8001_ha,
 806		pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
 807		" Reset = 0x%x\n",
 808		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 809
 810	/* step 3: host read GSM Configuration and Reset register */
 811	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 812	/* Put those bits to low */
 813	/* GSM XCBI offset = 0x70 0000
 814	0x00 Bit 13 COM_SLV_SW_RSTB 1
 815	0x00 Bit 12 QSSP_SW_RSTB 1
 816	0x00 Bit 11 RAAE_SW_RSTB 1
 817	0x00 Bit 9 RB_1_SW_RSTB 1
 818	0x00 Bit 8 SM_SW_RSTB 1
 819	*/
 820	regVal &= ~(0x00003b00);
 821	/* host write GSM Configuration and Reset register */
 822	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 823	PM8001_INIT_DBG(pm8001_ha,
 824		pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
 825		"Configuration and Reset is set to = 0x%x\n",
 826		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 827
 828	/* step 4: */
 829	/* disable GSM - Read Address Parity Check */
 830	regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 831	PM8001_INIT_DBG(pm8001_ha,
 832		pm8001_printk("GSM 0x700038 - Read Address Parity Check "
 833		"Enable = 0x%x\n", regVal1));
 834	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
 835	PM8001_INIT_DBG(pm8001_ha,
 836		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
 837		"is set to = 0x%x\n",
 838		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
 839
 840	/* disable GSM - Write Address Parity Check */
 841	regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 842	PM8001_INIT_DBG(pm8001_ha,
 843		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
 844		" Enable = 0x%x\n", regVal2));
 845	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
 846	PM8001_INIT_DBG(pm8001_ha,
 847		pm8001_printk("GSM 0x700040 - Write Address Parity Check "
 848		"Enable is set to = 0x%x\n",
 849		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
 850
 851	/* disable GSM - Write Data Parity Check */
 852	regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 853	PM8001_INIT_DBG(pm8001_ha,
 854		pm8001_printk("GSM 0x300048 - Write Data Parity Check"
 855		" Enable = 0x%x\n", regVal3));
 856	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
 857	PM8001_INIT_DBG(pm8001_ha,
 858		pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
 859		"is set to = 0x%x\n",
 860	pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
 861
 862	/* step 5: delay 10 usec */
 863	udelay(10);
 864	/* step 5-b: set GPIO-0 output control to tristate anyway */
 865	if (-1 == bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
 866		PM8001_INIT_DBG(pm8001_ha,
 867				pm8001_printk("Shift Bar4 to 0x%x failed\n",
 868				GPIO_ADDR_BASE));
 869		return -1;
 870	}
 871	regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
 872		PM8001_INIT_DBG(pm8001_ha,
 873				pm8001_printk("GPIO Output Control Register:"
 874				" = 0x%x\n", regVal));
 875	/* set GPIO-0 output control to tri-state */
 876	regVal &= 0xFFFFFFFC;
 877	pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
 878
 879	/* Step 6: Reset the IOP and AAP1 */
 880	/* map 0x00000 to BAR4(0x20), BAR2(win) */
 881	if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
 882		PM8001_FAIL_DBG(pm8001_ha,
 883			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
 884			SPC_TOP_LEVEL_ADDR_BASE));
 885		return -1;
 886	}
 887	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 888	PM8001_INIT_DBG(pm8001_ha,
 889		pm8001_printk("Top Register before resetting IOP/AAP1"
 890		":= 0x%x\n", regVal));
 891	regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
 892	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 893
 894	/* step 7: Reset the BDMA/OSSP */
 895	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 896	PM8001_INIT_DBG(pm8001_ha,
 897		pm8001_printk("Top Register before resetting BDMA/OSSP"
 898		": = 0x%x\n", regVal));
 899	regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 900	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 901
 902	/* step 8: delay 10 usec */
 903	udelay(10);
 904
 905	/* step 9: bring the BDMA and OSSP out of reset */
 906	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 907	PM8001_INIT_DBG(pm8001_ha,
 908		pm8001_printk("Top Register before bringing up BDMA/OSSP"
 909		":= 0x%x\n", regVal));
 910	regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 911	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 912
 913	/* step 10: delay 10 usec */
 914	udelay(10);
 915
 916	/* step 11: reads and sets the GSM Configuration and Reset Register */
 917	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
 918	if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 919		PM8001_FAIL_DBG(pm8001_ha,
 920			pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
 921			GSM_ADDR_BASE));
 922		return -1;
 923	}
 924	PM8001_INIT_DBG(pm8001_ha,
 925		pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
 926		"Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 927	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 928	/* Put those bits to high */
 929	/* GSM XCBI offset = 0x70 0000
 930	0x00 Bit 13 COM_SLV_SW_RSTB 1
 931	0x00 Bit 12 QSSP_SW_RSTB 1
 932	0x00 Bit 11 RAAE_SW_RSTB 1
 933	0x00 Bit 9   RB_1_SW_RSTB 1
 934	0x00 Bit 8   SM_SW_RSTB 1
 935	*/
 936	regVal |= (GSM_CONFIG_RESET_VALUE);
 937	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 938	PM8001_INIT_DBG(pm8001_ha,
 939		pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
 940		" Configuration and Reset is set to = 0x%x\n",
 941		pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 942
 943	/* step 12: Restore GSM - Read Address Parity Check */
 944	regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 945	/* just for debugging */
 946	PM8001_INIT_DBG(pm8001_ha,
 947		pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
 948		" = 0x%x\n", regVal));
 949	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
 950	PM8001_INIT_DBG(pm8001_ha,
 951		pm8001_printk("GSM 0x700038 - Read Address Parity"
 952		" Check Enable is set to = 0x%x\n",
 953		pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
 954	/* Restore GSM - Write Address Parity Check */
 955	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 956	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
 957	PM8001_INIT_DBG(pm8001_ha,
 958		pm8001_printk("GSM 0x700040 - Write Address Parity Check"
 959		" Enable is set to = 0x%x\n",
 960		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
 961	/* Restore GSM - Write Data Parity Check */
 962	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 963	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
 964	PM8001_INIT_DBG(pm8001_ha,
 965		pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
 966		"is set to = 0x%x\n",
 967		pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
 968
 969	/* step 13: bring the IOP and AAP1 out of reset */
 970	/* map 0x00000 to BAR4(0x20), BAR2(win) */
 971	if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
 972		PM8001_FAIL_DBG(pm8001_ha,
 973			pm8001_printk("Shift Bar4 to 0x%x failed\n",
 974			SPC_TOP_LEVEL_ADDR_BASE));
 975		return -1;
 976	}
 977	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 978	regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
 979	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 980
 981	/* step 14: delay 10 usec - Normal Mode */
 982	udelay(10);
 983	/* check Soft Reset Normal mode or Soft Reset HDA mode */
 984	if (signature == SPC_SOFT_RESET_SIGNATURE) {
 985		/* step 15 (Normal Mode): wait until scratch pad1 register
 986		bit 2 toggled */
 987		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
 988		do {
 989			udelay(1);
 990			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
 991				SCRATCH_PAD1_RST;
 992		} while ((regVal != toggleVal) && (--max_wait_count));
 993
 994		if (!max_wait_count) {
 995			regVal = pm8001_cr32(pm8001_ha, 0,
 996				MSGU_SCRATCH_PAD_1);
 997			PM8001_FAIL_DBG(pm8001_ha,
 998				pm8001_printk("TIMEOUT : ToggleVal 0x%x,"
 999				"MSGU_SCRATCH_PAD1 = 0x%x\n",
1000				toggleVal, regVal));
1001			PM8001_FAIL_DBG(pm8001_ha,
1002				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1003				pm8001_cr32(pm8001_ha, 0,
1004				MSGU_SCRATCH_PAD_0)));
1005			PM8001_FAIL_DBG(pm8001_ha,
1006				pm8001_printk("SCRATCH_PAD2 value = 0x%x\n",
1007				pm8001_cr32(pm8001_ha, 0,
1008				MSGU_SCRATCH_PAD_2)));
1009			PM8001_FAIL_DBG(pm8001_ha,
1010				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1011				pm8001_cr32(pm8001_ha, 0,
1012				MSGU_SCRATCH_PAD_3)));
1013			return -1;
1014		}
1015
1016		/* step 16 (Normal) - Clear ODMR and ODCR */
1017		pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1018		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1019
1020		/* step 17 (Normal Mode): wait for the FW and IOP to get
1021		ready - 1 sec timeout */
1022		/* Wait for the SPC Configuration Table to be ready */
1023		if (check_fw_ready(pm8001_ha) == -1) {
1024			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1025			/* return error if MPI Configuration Table not ready */
1026			PM8001_INIT_DBG(pm8001_ha,
1027				pm8001_printk("FW not ready SCRATCH_PAD1"
1028				" = 0x%x\n", regVal));
1029			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1030			/* return error if MPI Configuration Table not ready */
1031			PM8001_INIT_DBG(pm8001_ha,
1032				pm8001_printk("FW not ready SCRATCH_PAD2"
1033				" = 0x%x\n", regVal));
1034			PM8001_INIT_DBG(pm8001_ha,
1035				pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1036				pm8001_cr32(pm8001_ha, 0,
1037				MSGU_SCRATCH_PAD_0)));
1038			PM8001_INIT_DBG(pm8001_ha,
1039				pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1040				pm8001_cr32(pm8001_ha, 0,
1041				MSGU_SCRATCH_PAD_3)));
 
1042			return -1;
1043		}
1044	}
 
 
1045
1046	PM8001_INIT_DBG(pm8001_ha,
1047		pm8001_printk("SPC soft reset Complete\n"));
1048	return 0;
1049}
1050
1051static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1052{
1053	u32 i;
1054	u32 regVal;
1055	PM8001_INIT_DBG(pm8001_ha,
1056		pm8001_printk("chip reset start\n"));
1057
1058	/* do SPC chip reset. */
1059	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1060	regVal &= ~(SPC_REG_RESET_DEVICE);
1061	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1062
1063	/* delay 10 usec */
1064	udelay(10);
1065
1066	/* bring chip reset out of reset */
1067	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1068	regVal |= SPC_REG_RESET_DEVICE;
1069	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1070
1071	/* delay 10 usec */
1072	udelay(10);
1073
1074	/* wait for 20 msec until the firmware gets reloaded */
1075	i = 20;
1076	do {
1077		mdelay(1);
1078	} while ((--i) != 0);
1079
1080	PM8001_INIT_DBG(pm8001_ha,
1081		pm8001_printk("chip reset finished\n"));
1082}
1083
1084/**
1085 * pm8001_chip_iounmap - which maped when initialized.
1086 * @pm8001_ha: our hba card information
1087 */
1088static void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1089{
1090	s8 bar, logical = 0;
1091	for (bar = 0; bar < 6; bar++) {
1092		/*
1093		** logical BARs for SPC:
1094		** bar 0 and 1 - logical BAR0
1095		** bar 2 and 3 - logical BAR1
1096		** bar4 - logical BAR2
1097		** bar5 - logical BAR3
1098		** Skip the appropriate assignments:
1099		*/
1100		if ((bar == 1) || (bar == 3))
1101			continue;
1102		if (pm8001_ha->io_mem[logical].memvirtaddr) {
1103			iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1104			logical++;
1105		}
1106	}
1107}
1108
1109/**
1110 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1111 * @pm8001_ha: our hba card information
 
1112 */
1113static void
1114pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1115{
1116	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1117	pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1118}
1119
1120 /**
1121  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1122  * @pm8001_ha: our hba card information
1123  */
1124static void
1125pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1126{
1127	pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1128}
1129
1130/**
1131 * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1132 * @pm8001_ha: our hba card information
1133 */
1134static void
1135pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1136	u32 int_vec_idx)
1137{
1138	u32 msi_index;
1139	u32 value;
1140	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1141	msi_index += MSIX_TABLE_BASE;
1142	pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1143	value = (1 << int_vec_idx);
1144	pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1145
1146}
1147
1148/**
1149 * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1150 * @pm8001_ha: our hba card information
1151 */
1152static void
1153pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1154	u32 int_vec_idx)
1155{
1156	u32 msi_index;
1157	msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1158	msi_index += MSIX_TABLE_BASE;
1159	pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1160
1161}
1162/**
1163 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1164 * @pm8001_ha: our hba card information
1165 */
1166static void
1167pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1168{
1169#ifdef PM8001_USE_MSIX
1170	pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1171	return;
1172#endif
1173	pm8001_chip_intx_interrupt_enable(pm8001_ha);
1174
 
 
1175}
1176
1177/**
1178 * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1179 * @pm8001_ha: our hba card information
 
1180 */
1181static void
1182pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1183{
1184#ifdef PM8001_USE_MSIX
1185	pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1186	return;
1187#endif
1188	pm8001_chip_intx_interrupt_disable(pm8001_ha);
1189
1190}
1191
1192/**
1193 * mpi_msg_free_get- get the free message buffer for transfer inbound queue.
 
1194 * @circularQ: the inbound queue  we want to transfer to HBA.
1195 * @messageSize: the message size of this transfer, normally it is 64 bytes
1196 * @messagePtr: the pointer to message.
1197 */
1198static int mpi_msg_free_get(struct inbound_queue_table *circularQ,
1199			    u16 messageSize, void **messagePtr)
1200{
1201	u32 offset, consumer_index;
1202	struct mpi_msg_hdr *msgHeader;
1203	u8 bcCount = 1; /* only support single buffer */
1204
1205	/* Checks is the requested message size can be allocated in this queue*/
1206	if (messageSize > 64) {
1207		*messagePtr = NULL;
1208		return -1;
1209	}
1210
1211	/* Stores the new consumer index */
1212	consumer_index = pm8001_read_32(circularQ->ci_virt);
1213	circularQ->consumer_index = cpu_to_le32(consumer_index);
1214	if (((circularQ->producer_idx + bcCount) % 256) ==
1215		circularQ->consumer_index) {
1216		*messagePtr = NULL;
1217		return -1;
1218	}
1219	/* get memory IOMB buffer address */
1220	offset = circularQ->producer_idx * 64;
1221	/* increment to next bcCount element */
1222	circularQ->producer_idx = (circularQ->producer_idx + bcCount) % 256;
 
1223	/* Adds that distance to the base of the region virtual address plus
1224	the message header size*/
1225	msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt	+ offset);
1226	*messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1227	return 0;
1228}
1229
1230/**
1231 * mpi_build_cmd- build the message queue for transfer, update the PI to FW
1232 * to tell the fw to get this message from IOMB.
1233 * @pm8001_ha: our hba card information
1234 * @circularQ: the inbound queue we want to transfer to HBA.
1235 * @opCode: the operation code represents commands which LLDD and fw recognized.
1236 * @payload: the command payload of each operation command.
 
 
1237 */
1238static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1239			 struct inbound_queue_table *circularQ,
1240			 u32 opCode, void *payload)
1241{
1242	u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1243	u32 responseQueue = 0;
1244	void *pMessage;
1245
1246	if (mpi_msg_free_get(circularQ, 64, &pMessage) < 0) {
1247		PM8001_IO_DBG(pm8001_ha,
1248			pm8001_printk("No free mpi buffer \n"));
1249		return -1;
1250	}
1251	BUG_ON(!payload);
1252	/*Copy to the payload*/
1253	memcpy(pMessage, payload, (64 - sizeof(struct mpi_msg_hdr)));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1254
1255	/*Build the header*/
1256	Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1257		| ((responseQueue & 0x3F) << 16)
1258		| ((category & 0xF) << 12) | (opCode & 0xFFF));
1259
1260	pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1261	/*Update the PI to the firmware*/
1262	pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1263		circularQ->pi_offset, circularQ->producer_idx);
1264	PM8001_IO_DBG(pm8001_ha,
1265		pm8001_printk("after PI= %d CI= %d \n", circularQ->producer_idx,
1266		circularQ->consumer_index));
1267	return 0;
 
 
 
1268}
1269
1270static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1271			    struct outbound_queue_table *circularQ, u8 bc)
1272{
1273	u32 producer_index;
1274	struct mpi_msg_hdr *msgHeader;
1275	struct mpi_msg_hdr *pOutBoundMsgHeader;
1276
1277	msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1278	pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1279				circularQ->consumer_idx * 64);
1280	if (pOutBoundMsgHeader != msgHeader) {
1281		PM8001_FAIL_DBG(pm8001_ha,
1282			pm8001_printk("consumer_idx = %d msgHeader = %p\n",
1283			circularQ->consumer_idx, msgHeader));
1284
1285		/* Update the producer index from SPC */
1286		producer_index = pm8001_read_32(circularQ->pi_virt);
1287		circularQ->producer_index = cpu_to_le32(producer_index);
1288		PM8001_FAIL_DBG(pm8001_ha,
1289			pm8001_printk("consumer_idx = %d producer_index = %d"
1290			"msgHeader = %p\n", circularQ->consumer_idx,
1291			circularQ->producer_index, msgHeader));
1292		return 0;
1293	}
1294	/* free the circular queue buffer elements associated with the message*/
1295	circularQ->consumer_idx = (circularQ->consumer_idx + bc) % 256;
 
1296	/* update the CI of outbound queue */
1297	pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1298		circularQ->consumer_idx);
1299	/* Update the producer index from SPC*/
1300	producer_index = pm8001_read_32(circularQ->pi_virt);
1301	circularQ->producer_index = cpu_to_le32(producer_index);
1302	PM8001_IO_DBG(pm8001_ha,
1303		pm8001_printk(" CI=%d PI=%d\n", circularQ->consumer_idx,
1304		circularQ->producer_index));
1305	return 0;
1306}
1307
1308/**
1309 * mpi_msg_consume- get the MPI message from  outbound queue message table.
 
1310 * @pm8001_ha: our hba card information
1311 * @circularQ: the outbound queue  table.
1312 * @messagePtr1: the message contents of this outbound message.
1313 * @pBC: the message size.
1314 */
1315static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1316			   struct outbound_queue_table *circularQ,
1317			   void **messagePtr1, u8 *pBC)
1318{
1319	struct mpi_msg_hdr	*msgHeader;
1320	__le32	msgHeader_tmp;
1321	u32 header_tmp;
1322	do {
1323		/* If there are not-yet-delivered messages ... */
1324		if (circularQ->producer_index != circularQ->consumer_idx) {
 
1325			/*Get the pointer to the circular queue buffer element*/
1326			msgHeader = (struct mpi_msg_hdr *)
1327				(circularQ->base_virt +
1328				circularQ->consumer_idx * 64);
1329			/* read header */
1330			header_tmp = pm8001_read_32(msgHeader);
1331			msgHeader_tmp = cpu_to_le32(header_tmp);
1332			if (0 != (msgHeader_tmp & 0x80000000)) {
 
 
 
 
1333				if (OPC_OUB_SKIP_ENTRY !=
1334					(msgHeader_tmp & 0xfff)) {
1335					*messagePtr1 =
1336						((u8 *)msgHeader) +
1337						sizeof(struct mpi_msg_hdr);
1338					*pBC = (u8)((msgHeader_tmp >> 24) &
1339						0x1f);
1340					PM8001_IO_DBG(pm8001_ha,
1341						pm8001_printk(": CI=%d PI=%d "
1342						"msgHeader=%x\n",
1343						circularQ->consumer_idx,
1344						circularQ->producer_index,
1345						msgHeader_tmp));
1346					return MPI_IO_STATUS_SUCCESS;
1347				} else {
1348					circularQ->consumer_idx =
1349						(circularQ->consumer_idx +
1350						((msgHeader_tmp >> 24) & 0x1f))
1351						% 256;
 
1352					msgHeader_tmp = 0;
1353					pm8001_write_32(msgHeader, 0, 0);
1354					/* update the CI of outbound queue */
1355					pm8001_cw32(pm8001_ha,
1356						circularQ->ci_pci_bar,
1357						circularQ->ci_offset,
1358						circularQ->consumer_idx);
1359				}
1360			} else {
1361				circularQ->consumer_idx =
1362					(circularQ->consumer_idx +
1363					((msgHeader_tmp >> 24) & 0x1f)) % 256;
 
1364				msgHeader_tmp = 0;
1365				pm8001_write_32(msgHeader, 0, 0);
1366				/* update the CI of outbound queue */
1367				pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1368					circularQ->ci_offset,
1369					circularQ->consumer_idx);
1370				return MPI_IO_STATUS_FAIL;
1371			}
1372		} else {
1373			u32 producer_index;
1374			void *pi_virt = circularQ->pi_virt;
 
 
 
 
 
 
1375			/* Update the producer index from SPC */
1376			producer_index = pm8001_read_32(pi_virt);
1377			circularQ->producer_index = cpu_to_le32(producer_index);
1378		}
1379	} while (circularQ->producer_index != circularQ->consumer_idx);
 
1380	/* while we don't have any more not-yet-delivered message */
1381	/* report empty */
1382	return MPI_IO_STATUS_BUSY;
1383}
1384
1385static void pm8001_work_fn(struct work_struct *work)
1386{
1387	struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1388	struct pm8001_device *pm8001_dev;
1389	struct domain_device *dev;
1390
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1391	switch (pw->handler) {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1392	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1393		pm8001_dev = pw->data;
1394		dev = pm8001_dev->sas_device;
1395		pm8001_I_T_nexus_reset(dev);
1396		break;
1397	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1398		pm8001_dev = pw->data;
1399		dev = pm8001_dev->sas_device;
1400		pm8001_I_T_nexus_reset(dev);
1401		break;
1402	case IO_DS_IN_ERROR:
1403		pm8001_dev = pw->data;
1404		dev = pm8001_dev->sas_device;
1405		pm8001_I_T_nexus_reset(dev);
1406		break;
1407	case IO_DS_NON_OPERATIONAL:
1408		pm8001_dev = pw->data;
1409		dev = pm8001_dev->sas_device;
1410		pm8001_I_T_nexus_reset(dev);
1411		break;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1412	}
1413	kfree(pw);
1414}
1415
1416static int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1417			       int handler)
1418{
1419	struct pm8001_work *pw;
1420	int ret = 0;
1421
1422	pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1423	if (pw) {
1424		pw->pm8001_ha = pm8001_ha;
1425		pw->data = data;
1426		pw->handler = handler;
1427		INIT_WORK(&pw->work, pm8001_work_fn);
1428		queue_work(pm8001_wq, &pw->work);
1429	} else
1430		ret = -ENOMEM;
1431
1432	return ret;
1433}
1434
1435/**
1436 * mpi_ssp_completion- process the event that FW response to the SSP request.
1437 * @pm8001_ha: our hba card information
1438 * @piomb: the message contents of this outbound message.
1439 *
1440 * When FW has completed a ssp request for example a IO request, after it has
1441 * filled the SG data with the data, it will trigger this event represent
1442 * that he has finished the job,please check the coresponding buffer.
1443 * So we will tell the caller who maybe waiting the result to tell upper layer
1444 * that the task has been finished.
1445 */
1446static void
1447mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1448{
1449	struct sas_task *t;
1450	struct pm8001_ccb_info *ccb;
1451	unsigned long flags;
1452	u32 status;
1453	u32 param;
1454	u32 tag;
1455	struct ssp_completion_resp *psspPayload;
1456	struct task_status_struct *ts;
1457	struct ssp_response_iu *iu;
1458	struct pm8001_device *pm8001_dev;
1459	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1460	status = le32_to_cpu(psspPayload->status);
1461	tag = le32_to_cpu(psspPayload->tag);
1462	ccb = &pm8001_ha->ccb_info[tag];
 
 
 
 
 
1463	pm8001_dev = ccb->device;
1464	param = le32_to_cpu(psspPayload->param);
1465
1466	t = ccb->task;
1467
1468	if (status && status != IO_UNDERFLOW)
1469		PM8001_FAIL_DBG(pm8001_ha,
1470			pm8001_printk("sas IO status 0x%x\n", status));
1471	if (unlikely(!t || !t->lldd_task || !t->dev))
1472		return;
1473	ts = &t->task_status;
 
 
 
 
 
 
 
 
 
 
 
1474	switch (status) {
1475	case IO_SUCCESS:
1476		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
1477			",param = %d \n", param));
1478		if (param == 0) {
1479			ts->resp = SAS_TASK_COMPLETE;
1480			ts->stat = SAM_STAT_GOOD;
1481		} else {
1482			ts->resp = SAS_TASK_COMPLETE;
1483			ts->stat = SAS_PROTO_RESPONSE;
1484			ts->residual = param;
1485			iu = &psspPayload->ssp_resp_iu;
1486			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1487		}
1488		if (pm8001_dev)
1489			pm8001_dev->running_req--;
1490		break;
1491	case IO_ABORTED:
1492		PM8001_IO_DBG(pm8001_ha,
1493			pm8001_printk("IO_ABORTED IOMB Tag \n"));
1494		ts->resp = SAS_TASK_COMPLETE;
1495		ts->stat = SAS_ABORTED_TASK;
1496		break;
1497	case IO_UNDERFLOW:
1498		/* SSP Completion with error */
1499		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
1500			",param = %d \n", param));
1501		ts->resp = SAS_TASK_COMPLETE;
1502		ts->stat = SAS_DATA_UNDERRUN;
1503		ts->residual = param;
1504		if (pm8001_dev)
1505			pm8001_dev->running_req--;
1506		break;
1507	case IO_NO_DEVICE:
1508		PM8001_IO_DBG(pm8001_ha,
1509			pm8001_printk("IO_NO_DEVICE\n"));
1510		ts->resp = SAS_TASK_UNDELIVERED;
1511		ts->stat = SAS_PHY_DOWN;
1512		break;
1513	case IO_XFER_ERROR_BREAK:
1514		PM8001_IO_DBG(pm8001_ha,
1515			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1516		ts->resp = SAS_TASK_COMPLETE;
1517		ts->stat = SAS_OPEN_REJECT;
 
 
1518		break;
1519	case IO_XFER_ERROR_PHY_NOT_READY:
1520		PM8001_IO_DBG(pm8001_ha,
1521			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1522		ts->resp = SAS_TASK_COMPLETE;
1523		ts->stat = SAS_OPEN_REJECT;
1524		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1525		break;
1526	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1527		PM8001_IO_DBG(pm8001_ha,
1528		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1529		ts->resp = SAS_TASK_COMPLETE;
1530		ts->stat = SAS_OPEN_REJECT;
1531		ts->open_rej_reason = SAS_OREJ_EPROTO;
1532		break;
1533	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1534		PM8001_IO_DBG(pm8001_ha,
1535			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1536		ts->resp = SAS_TASK_COMPLETE;
1537		ts->stat = SAS_OPEN_REJECT;
1538		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1539		break;
1540	case IO_OPEN_CNX_ERROR_BREAK:
1541		PM8001_IO_DBG(pm8001_ha,
1542			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1543		ts->resp = SAS_TASK_COMPLETE;
1544		ts->stat = SAS_OPEN_REJECT;
1545		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1546		break;
1547	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1548		PM8001_IO_DBG(pm8001_ha,
1549			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1550		ts->resp = SAS_TASK_COMPLETE;
1551		ts->stat = SAS_OPEN_REJECT;
1552		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1553		if (!t->uldd_task)
1554			pm8001_handle_event(pm8001_ha,
1555				pm8001_dev,
1556				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1557		break;
1558	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1559		PM8001_IO_DBG(pm8001_ha,
1560			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1561		ts->resp = SAS_TASK_COMPLETE;
1562		ts->stat = SAS_OPEN_REJECT;
1563		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1564		break;
1565	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1566		PM8001_IO_DBG(pm8001_ha,
1567			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1568			"NOT_SUPPORTED\n"));
1569		ts->resp = SAS_TASK_COMPLETE;
1570		ts->stat = SAS_OPEN_REJECT;
1571		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1572		break;
1573	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1574		PM8001_IO_DBG(pm8001_ha,
1575			pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1576		ts->resp = SAS_TASK_UNDELIVERED;
1577		ts->stat = SAS_OPEN_REJECT;
1578		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1579		break;
1580	case IO_XFER_ERROR_NAK_RECEIVED:
1581		PM8001_IO_DBG(pm8001_ha,
1582			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1583		ts->resp = SAS_TASK_COMPLETE;
1584		ts->stat = SAS_OPEN_REJECT;
1585		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1586		break;
1587	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1588		PM8001_IO_DBG(pm8001_ha,
1589			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1590		ts->resp = SAS_TASK_COMPLETE;
1591		ts->stat = SAS_NAK_R_ERR;
1592		break;
1593	case IO_XFER_ERROR_DMA:
1594		PM8001_IO_DBG(pm8001_ha,
1595		pm8001_printk("IO_XFER_ERROR_DMA\n"));
1596		ts->resp = SAS_TASK_COMPLETE;
1597		ts->stat = SAS_OPEN_REJECT;
1598		break;
1599	case IO_XFER_OPEN_RETRY_TIMEOUT:
1600		PM8001_IO_DBG(pm8001_ha,
1601			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1602		ts->resp = SAS_TASK_COMPLETE;
1603		ts->stat = SAS_OPEN_REJECT;
1604		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1605		break;
1606	case IO_XFER_ERROR_OFFSET_MISMATCH:
1607		PM8001_IO_DBG(pm8001_ha,
1608			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1609		ts->resp = SAS_TASK_COMPLETE;
1610		ts->stat = SAS_OPEN_REJECT;
1611		break;
1612	case IO_PORT_IN_RESET:
1613		PM8001_IO_DBG(pm8001_ha,
1614			pm8001_printk("IO_PORT_IN_RESET\n"));
1615		ts->resp = SAS_TASK_COMPLETE;
1616		ts->stat = SAS_OPEN_REJECT;
1617		break;
1618	case IO_DS_NON_OPERATIONAL:
1619		PM8001_IO_DBG(pm8001_ha,
1620			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1621		ts->resp = SAS_TASK_COMPLETE;
1622		ts->stat = SAS_OPEN_REJECT;
1623		if (!t->uldd_task)
1624			pm8001_handle_event(pm8001_ha,
1625				pm8001_dev,
1626				IO_DS_NON_OPERATIONAL);
1627		break;
1628	case IO_DS_IN_RECOVERY:
1629		PM8001_IO_DBG(pm8001_ha,
1630			pm8001_printk("IO_DS_IN_RECOVERY\n"));
1631		ts->resp = SAS_TASK_COMPLETE;
1632		ts->stat = SAS_OPEN_REJECT;
1633		break;
1634	case IO_TM_TAG_NOT_FOUND:
1635		PM8001_IO_DBG(pm8001_ha,
1636			pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1637		ts->resp = SAS_TASK_COMPLETE;
1638		ts->stat = SAS_OPEN_REJECT;
1639		break;
1640	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1641		PM8001_IO_DBG(pm8001_ha,
1642			pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1643		ts->resp = SAS_TASK_COMPLETE;
1644		ts->stat = SAS_OPEN_REJECT;
1645		break;
1646	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1647		PM8001_IO_DBG(pm8001_ha,
1648			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1649		ts->resp = SAS_TASK_COMPLETE;
1650		ts->stat = SAS_OPEN_REJECT;
1651		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
 
1652	default:
1653		PM8001_IO_DBG(pm8001_ha,
1654			pm8001_printk("Unknown status 0x%x\n", status));
1655		/* not allowed case. Therefore, return failed status */
1656		ts->resp = SAS_TASK_COMPLETE;
1657		ts->stat = SAS_OPEN_REJECT;
1658		break;
1659	}
1660	PM8001_IO_DBG(pm8001_ha,
1661		pm8001_printk("scsi_status = %x \n ",
1662		psspPayload->ssp_resp_iu.status));
1663	spin_lock_irqsave(&t->task_state_lock, flags);
1664	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1665	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1666	t->task_state_flags |= SAS_TASK_STATE_DONE;
1667	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1668		spin_unlock_irqrestore(&t->task_state_lock, flags);
1669		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
1670			" io_status 0x%x resp 0x%x "
1671			"stat 0x%x but aborted by upper layer!\n",
1672			t, status, ts->resp, ts->stat));
1673		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1674	} else {
1675		spin_unlock_irqrestore(&t->task_state_lock, flags);
1676		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1677		mb();/* in order to force CPU ordering */
1678		t->task_done(t);
1679	}
1680}
1681
1682/*See the comments for mpi_ssp_completion */
1683static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1684{
1685	struct sas_task *t;
1686	unsigned long flags;
1687	struct task_status_struct *ts;
1688	struct pm8001_ccb_info *ccb;
1689	struct pm8001_device *pm8001_dev;
1690	struct ssp_event_resp *psspPayload =
1691		(struct ssp_event_resp *)(piomb + 4);
1692	u32 event = le32_to_cpu(psspPayload->event);
1693	u32 tag = le32_to_cpu(psspPayload->tag);
1694	u32 port_id = le32_to_cpu(psspPayload->port_id);
1695	u32 dev_id = le32_to_cpu(psspPayload->device_id);
1696
1697	ccb = &pm8001_ha->ccb_info[tag];
1698	t = ccb->task;
1699	pm8001_dev = ccb->device;
1700	if (event)
1701		PM8001_FAIL_DBG(pm8001_ha,
1702			pm8001_printk("sas IO status 0x%x\n", event));
1703	if (unlikely(!t || !t->lldd_task || !t->dev))
1704		return;
1705	ts = &t->task_status;
1706	PM8001_IO_DBG(pm8001_ha,
1707		pm8001_printk("port_id = %x,device_id = %x\n",
1708		port_id, dev_id));
1709	switch (event) {
1710	case IO_OVERFLOW:
1711		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1712		ts->resp = SAS_TASK_COMPLETE;
1713		ts->stat = SAS_DATA_OVERRUN;
1714		ts->residual = 0;
1715		if (pm8001_dev)
1716			pm8001_dev->running_req--;
1717		break;
1718	case IO_XFER_ERROR_BREAK:
1719		PM8001_IO_DBG(pm8001_ha,
1720			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1721		ts->resp = SAS_TASK_COMPLETE;
1722		ts->stat = SAS_INTERRUPTED;
1723		break;
1724	case IO_XFER_ERROR_PHY_NOT_READY:
1725		PM8001_IO_DBG(pm8001_ha,
1726			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1727		ts->resp = SAS_TASK_COMPLETE;
1728		ts->stat = SAS_OPEN_REJECT;
1729		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1730		break;
1731	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1732		PM8001_IO_DBG(pm8001_ha,
1733			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
1734			"_SUPPORTED\n"));
1735		ts->resp = SAS_TASK_COMPLETE;
1736		ts->stat = SAS_OPEN_REJECT;
1737		ts->open_rej_reason = SAS_OREJ_EPROTO;
1738		break;
1739	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1740		PM8001_IO_DBG(pm8001_ha,
1741			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1742		ts->resp = SAS_TASK_COMPLETE;
1743		ts->stat = SAS_OPEN_REJECT;
1744		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1745		break;
1746	case IO_OPEN_CNX_ERROR_BREAK:
1747		PM8001_IO_DBG(pm8001_ha,
1748			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1749		ts->resp = SAS_TASK_COMPLETE;
1750		ts->stat = SAS_OPEN_REJECT;
1751		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1752		break;
1753	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1754		PM8001_IO_DBG(pm8001_ha,
1755			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1756		ts->resp = SAS_TASK_COMPLETE;
1757		ts->stat = SAS_OPEN_REJECT;
1758		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1759		if (!t->uldd_task)
1760			pm8001_handle_event(pm8001_ha,
1761				pm8001_dev,
1762				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1763		break;
1764	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1765		PM8001_IO_DBG(pm8001_ha,
1766			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1767		ts->resp = SAS_TASK_COMPLETE;
1768		ts->stat = SAS_OPEN_REJECT;
1769		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1770		break;
1771	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1772		PM8001_IO_DBG(pm8001_ha,
1773			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1774			"NOT_SUPPORTED\n"));
1775		ts->resp = SAS_TASK_COMPLETE;
1776		ts->stat = SAS_OPEN_REJECT;
1777		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1778		break;
1779	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1780		PM8001_IO_DBG(pm8001_ha,
1781		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1782		ts->resp = SAS_TASK_COMPLETE;
1783		ts->stat = SAS_OPEN_REJECT;
1784		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1785		break;
1786	case IO_XFER_ERROR_NAK_RECEIVED:
1787		PM8001_IO_DBG(pm8001_ha,
1788			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1789		ts->resp = SAS_TASK_COMPLETE;
1790		ts->stat = SAS_OPEN_REJECT;
1791		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1792		break;
1793	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1794		PM8001_IO_DBG(pm8001_ha,
1795			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1796		ts->resp = SAS_TASK_COMPLETE;
1797		ts->stat = SAS_NAK_R_ERR;
1798		break;
1799	case IO_XFER_OPEN_RETRY_TIMEOUT:
1800		PM8001_IO_DBG(pm8001_ha,
1801			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1802		ts->resp = SAS_TASK_COMPLETE;
1803		ts->stat = SAS_OPEN_REJECT;
1804		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1805		break;
1806	case IO_XFER_ERROR_UNEXPECTED_PHASE:
1807		PM8001_IO_DBG(pm8001_ha,
1808			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
1809		ts->resp = SAS_TASK_COMPLETE;
1810		ts->stat = SAS_DATA_OVERRUN;
1811		break;
1812	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
1813		PM8001_IO_DBG(pm8001_ha,
1814			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
1815		ts->resp = SAS_TASK_COMPLETE;
1816		ts->stat = SAS_DATA_OVERRUN;
1817		break;
1818	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
1819		PM8001_IO_DBG(pm8001_ha,
1820		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
1821		ts->resp = SAS_TASK_COMPLETE;
1822		ts->stat = SAS_DATA_OVERRUN;
1823		break;
1824	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
1825		PM8001_IO_DBG(pm8001_ha,
1826		pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
1827		ts->resp = SAS_TASK_COMPLETE;
1828		ts->stat = SAS_DATA_OVERRUN;
1829		break;
1830	case IO_XFER_ERROR_OFFSET_MISMATCH:
1831		PM8001_IO_DBG(pm8001_ha,
1832			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1833		ts->resp = SAS_TASK_COMPLETE;
1834		ts->stat = SAS_DATA_OVERRUN;
1835		break;
1836	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
1837		PM8001_IO_DBG(pm8001_ha,
1838			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
1839		ts->resp = SAS_TASK_COMPLETE;
1840		ts->stat = SAS_DATA_OVERRUN;
1841		break;
1842	case IO_XFER_CMD_FRAME_ISSUED:
1843		PM8001_IO_DBG(pm8001_ha,
1844			pm8001_printk("  IO_XFER_CMD_FRAME_ISSUED\n"));
1845		return;
1846	default:
1847		PM8001_IO_DBG(pm8001_ha,
1848			pm8001_printk("Unknown status 0x%x\n", event));
1849		/* not allowed case. Therefore, return failed status */
1850		ts->resp = SAS_TASK_COMPLETE;
1851		ts->stat = SAS_DATA_OVERRUN;
1852		break;
1853	}
1854	spin_lock_irqsave(&t->task_state_lock, flags);
1855	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1856	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1857	t->task_state_flags |= SAS_TASK_STATE_DONE;
1858	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1859		spin_unlock_irqrestore(&t->task_state_lock, flags);
1860		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
1861			" event 0x%x resp 0x%x "
1862			"stat 0x%x but aborted by upper layer!\n",
1863			t, event, ts->resp, ts->stat));
1864		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1865	} else {
1866		spin_unlock_irqrestore(&t->task_state_lock, flags);
1867		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1868		mb();/* in order to force CPU ordering */
1869		t->task_done(t);
1870	}
1871}
1872
1873/*See the comments for mpi_ssp_completion */
1874static void
1875mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1876{
1877	struct sas_task *t;
1878	struct pm8001_ccb_info *ccb;
1879	unsigned long flags = 0;
1880	u32 param;
1881	u32 status;
1882	u32 tag;
 
 
 
 
 
1883	struct sata_completion_resp *psataPayload;
1884	struct task_status_struct *ts;
1885	struct ata_task_resp *resp ;
1886	u32 *sata_resp;
1887	struct pm8001_device *pm8001_dev;
 
1888
1889	psataPayload = (struct sata_completion_resp *)(piomb + 4);
1890	status = le32_to_cpu(psataPayload->status);
 
1891	tag = le32_to_cpu(psataPayload->tag);
1892
1893	ccb = &pm8001_ha->ccb_info[tag];
1894	param = le32_to_cpu(psataPayload->param);
1895	t = ccb->task;
1896	ts = &t->task_status;
1897	pm8001_dev = ccb->device;
1898	if (status)
1899		PM8001_FAIL_DBG(pm8001_ha,
1900			pm8001_printk("sata IO status 0x%x\n", status));
1901	if (unlikely(!t || !t->lldd_task || !t->dev))
 
 
 
 
1902		return;
 
1903
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1904	switch (status) {
1905	case IO_SUCCESS:
1906		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
1907		if (param == 0) {
1908			ts->resp = SAS_TASK_COMPLETE;
1909			ts->stat = SAM_STAT_GOOD;
1910		} else {
1911			u8 len;
1912			ts->resp = SAS_TASK_COMPLETE;
1913			ts->stat = SAS_PROTO_RESPONSE;
1914			ts->residual = param;
1915			PM8001_IO_DBG(pm8001_ha,
1916				pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
1917				param));
1918			sata_resp = &psataPayload->sata_resp[0];
1919			resp = (struct ata_task_resp *)ts->buf;
1920			if (t->ata_task.dma_xfer == 0 &&
1921			t->data_dir == PCI_DMA_FROMDEVICE) {
1922				len = sizeof(struct pio_setup_fis);
1923				PM8001_IO_DBG(pm8001_ha,
1924				pm8001_printk("PIO read len = %d\n", len));
1925			} else if (t->ata_task.use_ncq) {
 
1926				len = sizeof(struct set_dev_bits_fis);
1927				PM8001_IO_DBG(pm8001_ha,
1928					pm8001_printk("FPDMA len = %d\n", len));
1929			} else {
1930				len = sizeof(struct dev_to_host_fis);
1931				PM8001_IO_DBG(pm8001_ha,
1932				pm8001_printk("other len = %d\n", len));
1933			}
1934			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
1935				resp->frame_len = len;
1936				memcpy(&resp->ending_fis[0], sata_resp, len);
1937				ts->buf_valid_size = sizeof(*resp);
1938			} else
1939				PM8001_IO_DBG(pm8001_ha,
1940					pm8001_printk("response to large \n"));
1941		}
1942		if (pm8001_dev)
1943			pm8001_dev->running_req--;
1944		break;
1945	case IO_ABORTED:
1946		PM8001_IO_DBG(pm8001_ha,
1947			pm8001_printk("IO_ABORTED IOMB Tag \n"));
1948		ts->resp = SAS_TASK_COMPLETE;
1949		ts->stat = SAS_ABORTED_TASK;
1950		if (pm8001_dev)
1951			pm8001_dev->running_req--;
1952		break;
1953		/* following cases are to do cases */
1954	case IO_UNDERFLOW:
1955		/* SATA Completion with error */
1956		PM8001_IO_DBG(pm8001_ha,
1957			pm8001_printk("IO_UNDERFLOW param = %d\n", param));
1958		ts->resp = SAS_TASK_COMPLETE;
1959		ts->stat = SAS_DATA_UNDERRUN;
1960		ts->residual =  param;
1961		if (pm8001_dev)
1962			pm8001_dev->running_req--;
1963		break;
1964	case IO_NO_DEVICE:
1965		PM8001_IO_DBG(pm8001_ha,
1966			pm8001_printk("IO_NO_DEVICE\n"));
1967		ts->resp = SAS_TASK_UNDELIVERED;
1968		ts->stat = SAS_PHY_DOWN;
 
 
1969		break;
1970	case IO_XFER_ERROR_BREAK:
1971		PM8001_IO_DBG(pm8001_ha,
1972			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1973		ts->resp = SAS_TASK_COMPLETE;
1974		ts->stat = SAS_INTERRUPTED;
 
 
1975		break;
1976	case IO_XFER_ERROR_PHY_NOT_READY:
1977		PM8001_IO_DBG(pm8001_ha,
1978			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1979		ts->resp = SAS_TASK_COMPLETE;
1980		ts->stat = SAS_OPEN_REJECT;
1981		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
 
 
1982		break;
1983	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1984		PM8001_IO_DBG(pm8001_ha,
1985			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
1986			"_SUPPORTED\n"));
1987		ts->resp = SAS_TASK_COMPLETE;
1988		ts->stat = SAS_OPEN_REJECT;
1989		ts->open_rej_reason = SAS_OREJ_EPROTO;
 
 
1990		break;
1991	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1992		PM8001_IO_DBG(pm8001_ha,
1993			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1994		ts->resp = SAS_TASK_COMPLETE;
1995		ts->stat = SAS_OPEN_REJECT;
1996		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
 
 
1997		break;
1998	case IO_OPEN_CNX_ERROR_BREAK:
1999		PM8001_IO_DBG(pm8001_ha,
2000			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2001		ts->resp = SAS_TASK_COMPLETE;
2002		ts->stat = SAS_OPEN_REJECT;
2003		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
 
 
2004		break;
2005	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2006		PM8001_IO_DBG(pm8001_ha,
2007			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2008		ts->resp = SAS_TASK_COMPLETE;
2009		ts->stat = SAS_DEV_NO_RESPONSE;
2010		if (!t->uldd_task) {
2011			pm8001_handle_event(pm8001_ha,
2012				pm8001_dev,
2013				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2014			ts->resp = SAS_TASK_UNDELIVERED;
2015			ts->stat = SAS_QUEUE_FULL;
2016			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2017			mb();/*in order to force CPU ordering*/
2018			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2019			t->task_done(t);
2020			spin_lock_irqsave(&pm8001_ha->lock, flags);
2021			return;
2022		}
2023		break;
2024	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2025		PM8001_IO_DBG(pm8001_ha,
2026			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2027		ts->resp = SAS_TASK_UNDELIVERED;
2028		ts->stat = SAS_OPEN_REJECT;
2029		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2030		if (!t->uldd_task) {
2031			pm8001_handle_event(pm8001_ha,
2032				pm8001_dev,
2033				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2034			ts->resp = SAS_TASK_UNDELIVERED;
2035			ts->stat = SAS_QUEUE_FULL;
2036			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2037			mb();/*ditto*/
2038			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2039			t->task_done(t);
2040			spin_lock_irqsave(&pm8001_ha->lock, flags);
2041			return;
2042		}
2043		break;
2044	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2045		PM8001_IO_DBG(pm8001_ha,
2046			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2047			"NOT_SUPPORTED\n"));
2048		ts->resp = SAS_TASK_COMPLETE;
2049		ts->stat = SAS_OPEN_REJECT;
2050		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
 
 
2051		break;
2052	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2053		PM8001_IO_DBG(pm8001_ha,
2054			pm8001_printk("IO_OPEN_CNX_ERROR_STP_RESOURCES"
2055			"_BUSY\n"));
2056		ts->resp = SAS_TASK_COMPLETE;
2057		ts->stat = SAS_DEV_NO_RESPONSE;
2058		if (!t->uldd_task) {
2059			pm8001_handle_event(pm8001_ha,
2060				pm8001_dev,
2061				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2062			ts->resp = SAS_TASK_UNDELIVERED;
2063			ts->stat = SAS_QUEUE_FULL;
2064			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2065			mb();/* ditto*/
2066			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2067			t->task_done(t);
2068			spin_lock_irqsave(&pm8001_ha->lock, flags);
2069			return;
2070		}
2071		break;
2072	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2073		PM8001_IO_DBG(pm8001_ha,
2074		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2075		ts->resp = SAS_TASK_COMPLETE;
2076		ts->stat = SAS_OPEN_REJECT;
2077		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
 
 
2078		break;
2079	case IO_XFER_ERROR_NAK_RECEIVED:
2080		PM8001_IO_DBG(pm8001_ha,
2081			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2082		ts->resp = SAS_TASK_COMPLETE;
2083		ts->stat = SAS_NAK_R_ERR;
 
 
2084		break;
2085	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2086		PM8001_IO_DBG(pm8001_ha,
2087			pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2088		ts->resp = SAS_TASK_COMPLETE;
2089		ts->stat = SAS_NAK_R_ERR;
 
 
2090		break;
2091	case IO_XFER_ERROR_DMA:
2092		PM8001_IO_DBG(pm8001_ha,
2093			pm8001_printk("IO_XFER_ERROR_DMA\n"));
2094		ts->resp = SAS_TASK_COMPLETE;
2095		ts->stat = SAS_ABORTED_TASK;
 
 
2096		break;
2097	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2098		PM8001_IO_DBG(pm8001_ha,
2099			pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2100		ts->resp = SAS_TASK_UNDELIVERED;
2101		ts->stat = SAS_DEV_NO_RESPONSE;
 
 
2102		break;
2103	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2104		PM8001_IO_DBG(pm8001_ha,
2105			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2106		ts->resp = SAS_TASK_COMPLETE;
2107		ts->stat = SAS_DATA_UNDERRUN;
 
 
2108		break;
2109	case IO_XFER_OPEN_RETRY_TIMEOUT:
2110		PM8001_IO_DBG(pm8001_ha,
2111			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2112		ts->resp = SAS_TASK_COMPLETE;
2113		ts->stat = SAS_OPEN_TO;
 
 
2114		break;
2115	case IO_PORT_IN_RESET:
2116		PM8001_IO_DBG(pm8001_ha,
2117			pm8001_printk("IO_PORT_IN_RESET\n"));
2118		ts->resp = SAS_TASK_COMPLETE;
2119		ts->stat = SAS_DEV_NO_RESPONSE;
 
 
2120		break;
2121	case IO_DS_NON_OPERATIONAL:
2122		PM8001_IO_DBG(pm8001_ha,
2123			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2124		ts->resp = SAS_TASK_COMPLETE;
2125		ts->stat = SAS_DEV_NO_RESPONSE;
2126		if (!t->uldd_task) {
2127			pm8001_handle_event(pm8001_ha, pm8001_dev,
2128				    IO_DS_NON_OPERATIONAL);
2129			ts->resp = SAS_TASK_UNDELIVERED;
2130			ts->stat = SAS_QUEUE_FULL;
2131			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2132			mb();/*ditto*/
2133			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2134			t->task_done(t);
2135			spin_lock_irqsave(&pm8001_ha->lock, flags);
2136			return;
2137		}
2138		break;
2139	case IO_DS_IN_RECOVERY:
2140		PM8001_IO_DBG(pm8001_ha,
2141			pm8001_printk("  IO_DS_IN_RECOVERY\n"));
2142		ts->resp = SAS_TASK_COMPLETE;
2143		ts->stat = SAS_DEV_NO_RESPONSE;
 
 
2144		break;
2145	case IO_DS_IN_ERROR:
2146		PM8001_IO_DBG(pm8001_ha,
2147			pm8001_printk("IO_DS_IN_ERROR\n"));
2148		ts->resp = SAS_TASK_COMPLETE;
2149		ts->stat = SAS_DEV_NO_RESPONSE;
2150		if (!t->uldd_task) {
2151			pm8001_handle_event(pm8001_ha, pm8001_dev,
2152				    IO_DS_IN_ERROR);
2153			ts->resp = SAS_TASK_UNDELIVERED;
2154			ts->stat = SAS_QUEUE_FULL;
2155			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2156			mb();/*ditto*/
2157			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2158			t->task_done(t);
2159			spin_lock_irqsave(&pm8001_ha->lock, flags);
2160			return;
2161		}
2162		break;
2163	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2164		PM8001_IO_DBG(pm8001_ha,
2165			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2166		ts->resp = SAS_TASK_COMPLETE;
2167		ts->stat = SAS_OPEN_REJECT;
2168		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
 
 
 
2169	default:
2170		PM8001_IO_DBG(pm8001_ha,
2171			pm8001_printk("Unknown status 0x%x\n", status));
2172		/* not allowed case. Therefore, return failed status */
2173		ts->resp = SAS_TASK_COMPLETE;
2174		ts->stat = SAS_DEV_NO_RESPONSE;
 
 
2175		break;
2176	}
2177	spin_lock_irqsave(&t->task_state_lock, flags);
2178	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2179	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2180	t->task_state_flags |= SAS_TASK_STATE_DONE;
2181	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2182		spin_unlock_irqrestore(&t->task_state_lock, flags);
2183		PM8001_FAIL_DBG(pm8001_ha,
2184			pm8001_printk("task 0x%p done with io_status 0x%x"
2185			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2186			t, status, ts->resp, ts->stat));
2187		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2188	} else if (t->uldd_task) {
2189		spin_unlock_irqrestore(&t->task_state_lock, flags);
2190		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2191		mb();/* ditto */
2192		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2193		t->task_done(t);
2194		spin_lock_irqsave(&pm8001_ha->lock, flags);
2195	} else if (!t->uldd_task) {
2196		spin_unlock_irqrestore(&t->task_state_lock, flags);
2197		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2198		mb();/*ditto*/
2199		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2200		t->task_done(t);
2201		spin_lock_irqsave(&pm8001_ha->lock, flags);
2202	}
2203}
2204
2205/*See the comments for mpi_ssp_completion */
2206static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2207{
2208	struct sas_task *t;
2209	unsigned long flags = 0;
2210	struct task_status_struct *ts;
2211	struct pm8001_ccb_info *ccb;
2212	struct pm8001_device *pm8001_dev;
2213	struct sata_event_resp *psataPayload =
2214		(struct sata_event_resp *)(piomb + 4);
2215	u32 event = le32_to_cpu(psataPayload->event);
2216	u32 tag = le32_to_cpu(psataPayload->tag);
2217	u32 port_id = le32_to_cpu(psataPayload->port_id);
2218	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2219
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2220	ccb = &pm8001_ha->ccb_info[tag];
2221	t = ccb->task;
2222	pm8001_dev = ccb->device;
2223	if (event)
2224		PM8001_FAIL_DBG(pm8001_ha,
2225			pm8001_printk("sata IO status 0x%x\n", event));
2226	if (unlikely(!t || !t->lldd_task || !t->dev))
 
 
 
2227		return;
 
 
 
 
 
2228	ts = &t->task_status;
2229	PM8001_IO_DBG(pm8001_ha,
2230		pm8001_printk("port_id = %x,device_id = %x\n",
2231		port_id, dev_id));
2232	switch (event) {
2233	case IO_OVERFLOW:
2234		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2235		ts->resp = SAS_TASK_COMPLETE;
2236		ts->stat = SAS_DATA_OVERRUN;
2237		ts->residual = 0;
2238		if (pm8001_dev)
2239			pm8001_dev->running_req--;
2240		break;
2241	case IO_XFER_ERROR_BREAK:
2242		PM8001_IO_DBG(pm8001_ha,
2243			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2244		ts->resp = SAS_TASK_COMPLETE;
2245		ts->stat = SAS_INTERRUPTED;
2246		break;
2247	case IO_XFER_ERROR_PHY_NOT_READY:
2248		PM8001_IO_DBG(pm8001_ha,
2249			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2250		ts->resp = SAS_TASK_COMPLETE;
2251		ts->stat = SAS_OPEN_REJECT;
2252		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2253		break;
2254	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2255		PM8001_IO_DBG(pm8001_ha,
2256			pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2257			"_SUPPORTED\n"));
2258		ts->resp = SAS_TASK_COMPLETE;
2259		ts->stat = SAS_OPEN_REJECT;
2260		ts->open_rej_reason = SAS_OREJ_EPROTO;
2261		break;
2262	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2263		PM8001_IO_DBG(pm8001_ha,
2264			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2265		ts->resp = SAS_TASK_COMPLETE;
2266		ts->stat = SAS_OPEN_REJECT;
2267		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2268		break;
2269	case IO_OPEN_CNX_ERROR_BREAK:
2270		PM8001_IO_DBG(pm8001_ha,
2271			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2272		ts->resp = SAS_TASK_COMPLETE;
2273		ts->stat = SAS_OPEN_REJECT;
2274		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2275		break;
2276	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2277		PM8001_IO_DBG(pm8001_ha,
2278			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2279		ts->resp = SAS_TASK_UNDELIVERED;
2280		ts->stat = SAS_DEV_NO_RESPONSE;
2281		if (!t->uldd_task) {
2282			pm8001_handle_event(pm8001_ha,
2283				pm8001_dev,
2284				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2285			ts->resp = SAS_TASK_COMPLETE;
2286			ts->stat = SAS_QUEUE_FULL;
2287			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2288			mb();/*ditto*/
2289			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2290			t->task_done(t);
2291			spin_lock_irqsave(&pm8001_ha->lock, flags);
2292			return;
2293		}
2294		break;
2295	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2296		PM8001_IO_DBG(pm8001_ha,
2297			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2298		ts->resp = SAS_TASK_UNDELIVERED;
2299		ts->stat = SAS_OPEN_REJECT;
2300		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2301		break;
2302	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2303		PM8001_IO_DBG(pm8001_ha,
2304			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2305			"NOT_SUPPORTED\n"));
2306		ts->resp = SAS_TASK_COMPLETE;
2307		ts->stat = SAS_OPEN_REJECT;
2308		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2309		break;
2310	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2311		PM8001_IO_DBG(pm8001_ha,
2312		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2313		ts->resp = SAS_TASK_COMPLETE;
2314		ts->stat = SAS_OPEN_REJECT;
2315		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2316		break;
2317	case IO_XFER_ERROR_NAK_RECEIVED:
2318		PM8001_IO_DBG(pm8001_ha,
2319			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2320		ts->resp = SAS_TASK_COMPLETE;
2321		ts->stat = SAS_NAK_R_ERR;
2322		break;
2323	case IO_XFER_ERROR_PEER_ABORTED:
2324		PM8001_IO_DBG(pm8001_ha,
2325			pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2326		ts->resp = SAS_TASK_COMPLETE;
2327		ts->stat = SAS_NAK_R_ERR;
2328		break;
2329	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2330		PM8001_IO_DBG(pm8001_ha,
2331			pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2332		ts->resp = SAS_TASK_COMPLETE;
2333		ts->stat = SAS_DATA_UNDERRUN;
2334		break;
2335	case IO_XFER_OPEN_RETRY_TIMEOUT:
2336		PM8001_IO_DBG(pm8001_ha,
2337			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2338		ts->resp = SAS_TASK_COMPLETE;
2339		ts->stat = SAS_OPEN_TO;
2340		break;
2341	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2342		PM8001_IO_DBG(pm8001_ha,
2343			pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2344		ts->resp = SAS_TASK_COMPLETE;
2345		ts->stat = SAS_OPEN_TO;
2346		break;
2347	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2348		PM8001_IO_DBG(pm8001_ha,
2349			pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2350		ts->resp = SAS_TASK_COMPLETE;
2351		ts->stat = SAS_OPEN_TO;
2352		break;
2353	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2354		PM8001_IO_DBG(pm8001_ha,
2355		       pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2356		ts->resp = SAS_TASK_COMPLETE;
2357		ts->stat = SAS_OPEN_TO;
2358		break;
2359	case IO_XFER_ERROR_OFFSET_MISMATCH:
2360		PM8001_IO_DBG(pm8001_ha,
2361			pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2362		ts->resp = SAS_TASK_COMPLETE;
2363		ts->stat = SAS_OPEN_TO;
2364		break;
2365	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2366		PM8001_IO_DBG(pm8001_ha,
2367			pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2368		ts->resp = SAS_TASK_COMPLETE;
2369		ts->stat = SAS_OPEN_TO;
2370		break;
2371	case IO_XFER_CMD_FRAME_ISSUED:
2372		PM8001_IO_DBG(pm8001_ha,
2373			pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2374		break;
2375	case IO_XFER_PIO_SETUP_ERROR:
2376		PM8001_IO_DBG(pm8001_ha,
2377			pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2378		ts->resp = SAS_TASK_COMPLETE;
2379		ts->stat = SAS_OPEN_TO;
2380		break;
2381	default:
2382		PM8001_IO_DBG(pm8001_ha,
2383			pm8001_printk("Unknown status 0x%x\n", event));
2384		/* not allowed case. Therefore, return failed status */
2385		ts->resp = SAS_TASK_COMPLETE;
2386		ts->stat = SAS_OPEN_TO;
2387		break;
2388	}
2389	spin_lock_irqsave(&t->task_state_lock, flags);
2390	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2391	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2392	t->task_state_flags |= SAS_TASK_STATE_DONE;
2393	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2394		spin_unlock_irqrestore(&t->task_state_lock, flags);
2395		PM8001_FAIL_DBG(pm8001_ha,
2396			pm8001_printk("task 0x%p done with io_status 0x%x"
2397			" resp 0x%x stat 0x%x but aborted by upper layer!\n",
2398			t, event, ts->resp, ts->stat));
2399		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2400	} else if (t->uldd_task) {
2401		spin_unlock_irqrestore(&t->task_state_lock, flags);
2402		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2403		mb();/* ditto */
2404		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2405		t->task_done(t);
2406		spin_lock_irqsave(&pm8001_ha->lock, flags);
2407	} else if (!t->uldd_task) {
2408		spin_unlock_irqrestore(&t->task_state_lock, flags);
2409		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2410		mb();/*ditto*/
2411		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
2412		t->task_done(t);
2413		spin_lock_irqsave(&pm8001_ha->lock, flags);
2414	}
2415}
2416
2417/*See the comments for mpi_ssp_completion */
2418static void
2419mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2420{
2421	u32 param;
2422	struct sas_task *t;
2423	struct pm8001_ccb_info *ccb;
2424	unsigned long flags;
2425	u32 status;
2426	u32 tag;
2427	struct smp_completion_resp *psmpPayload;
2428	struct task_status_struct *ts;
2429	struct pm8001_device *pm8001_dev;
2430
2431	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2432	status = le32_to_cpu(psmpPayload->status);
2433	tag = le32_to_cpu(psmpPayload->tag);
2434
2435	ccb = &pm8001_ha->ccb_info[tag];
2436	param = le32_to_cpu(psmpPayload->param);
2437	t = ccb->task;
2438	ts = &t->task_status;
2439	pm8001_dev = ccb->device;
2440	if (status)
2441		PM8001_FAIL_DBG(pm8001_ha,
2442			pm8001_printk("smp IO status 0x%x\n", status));
 
 
 
2443	if (unlikely(!t || !t->lldd_task || !t->dev))
2444		return;
2445
2446	switch (status) {
2447	case IO_SUCCESS:
2448		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2449		ts->resp = SAS_TASK_COMPLETE;
2450		ts->stat = SAM_STAT_GOOD;
2451	if (pm8001_dev)
2452			pm8001_dev->running_req--;
2453		break;
2454	case IO_ABORTED:
2455		PM8001_IO_DBG(pm8001_ha,
2456			pm8001_printk("IO_ABORTED IOMB\n"));
2457		ts->resp = SAS_TASK_COMPLETE;
2458		ts->stat = SAS_ABORTED_TASK;
2459		if (pm8001_dev)
2460			pm8001_dev->running_req--;
2461		break;
2462	case IO_OVERFLOW:
2463		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2464		ts->resp = SAS_TASK_COMPLETE;
2465		ts->stat = SAS_DATA_OVERRUN;
2466		ts->residual = 0;
2467		if (pm8001_dev)
2468			pm8001_dev->running_req--;
2469		break;
2470	case IO_NO_DEVICE:
2471		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2472		ts->resp = SAS_TASK_COMPLETE;
2473		ts->stat = SAS_PHY_DOWN;
2474		break;
2475	case IO_ERROR_HW_TIMEOUT:
2476		PM8001_IO_DBG(pm8001_ha,
2477			pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2478		ts->resp = SAS_TASK_COMPLETE;
2479		ts->stat = SAM_STAT_BUSY;
2480		break;
2481	case IO_XFER_ERROR_BREAK:
2482		PM8001_IO_DBG(pm8001_ha,
2483			pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2484		ts->resp = SAS_TASK_COMPLETE;
2485		ts->stat = SAM_STAT_BUSY;
2486		break;
2487	case IO_XFER_ERROR_PHY_NOT_READY:
2488		PM8001_IO_DBG(pm8001_ha,
2489			pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2490		ts->resp = SAS_TASK_COMPLETE;
2491		ts->stat = SAM_STAT_BUSY;
2492		break;
2493	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2494		PM8001_IO_DBG(pm8001_ha,
2495		pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2496		ts->resp = SAS_TASK_COMPLETE;
2497		ts->stat = SAS_OPEN_REJECT;
2498		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2499		break;
2500	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2501		PM8001_IO_DBG(pm8001_ha,
2502			pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2503		ts->resp = SAS_TASK_COMPLETE;
2504		ts->stat = SAS_OPEN_REJECT;
2505		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2506		break;
2507	case IO_OPEN_CNX_ERROR_BREAK:
2508		PM8001_IO_DBG(pm8001_ha,
2509			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2510		ts->resp = SAS_TASK_COMPLETE;
2511		ts->stat = SAS_OPEN_REJECT;
2512		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2513		break;
2514	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2515		PM8001_IO_DBG(pm8001_ha,
2516			pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2517		ts->resp = SAS_TASK_COMPLETE;
2518		ts->stat = SAS_OPEN_REJECT;
2519		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2520		pm8001_handle_event(pm8001_ha,
2521				pm8001_dev,
2522				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2523		break;
2524	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2525		PM8001_IO_DBG(pm8001_ha,
2526			pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2527		ts->resp = SAS_TASK_COMPLETE;
2528		ts->stat = SAS_OPEN_REJECT;
2529		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2530		break;
2531	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2532		PM8001_IO_DBG(pm8001_ha,
2533			pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2534			"NOT_SUPPORTED\n"));
2535		ts->resp = SAS_TASK_COMPLETE;
2536		ts->stat = SAS_OPEN_REJECT;
2537		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2538		break;
2539	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2540		PM8001_IO_DBG(pm8001_ha,
2541		       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2542		ts->resp = SAS_TASK_COMPLETE;
2543		ts->stat = SAS_OPEN_REJECT;
2544		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2545		break;
2546	case IO_XFER_ERROR_RX_FRAME:
2547		PM8001_IO_DBG(pm8001_ha,
2548			pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2549		ts->resp = SAS_TASK_COMPLETE;
2550		ts->stat = SAS_DEV_NO_RESPONSE;
2551		break;
2552	case IO_XFER_OPEN_RETRY_TIMEOUT:
2553		PM8001_IO_DBG(pm8001_ha,
2554			pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2555		ts->resp = SAS_TASK_COMPLETE;
2556		ts->stat = SAS_OPEN_REJECT;
2557		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2558		break;
2559	case IO_ERROR_INTERNAL_SMP_RESOURCE:
2560		PM8001_IO_DBG(pm8001_ha,
2561			pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2562		ts->resp = SAS_TASK_COMPLETE;
2563		ts->stat = SAS_QUEUE_FULL;
2564		break;
2565	case IO_PORT_IN_RESET:
2566		PM8001_IO_DBG(pm8001_ha,
2567			pm8001_printk("IO_PORT_IN_RESET\n"));
2568		ts->resp = SAS_TASK_COMPLETE;
2569		ts->stat = SAS_OPEN_REJECT;
2570		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2571		break;
2572	case IO_DS_NON_OPERATIONAL:
2573		PM8001_IO_DBG(pm8001_ha,
2574			pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2575		ts->resp = SAS_TASK_COMPLETE;
2576		ts->stat = SAS_DEV_NO_RESPONSE;
2577		break;
2578	case IO_DS_IN_RECOVERY:
2579		PM8001_IO_DBG(pm8001_ha,
2580			pm8001_printk("IO_DS_IN_RECOVERY\n"));
2581		ts->resp = SAS_TASK_COMPLETE;
2582		ts->stat = SAS_OPEN_REJECT;
2583		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2584		break;
2585	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2586		PM8001_IO_DBG(pm8001_ha,
2587			pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2588		ts->resp = SAS_TASK_COMPLETE;
2589		ts->stat = SAS_OPEN_REJECT;
2590		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2591		break;
2592	default:
2593		PM8001_IO_DBG(pm8001_ha,
2594			pm8001_printk("Unknown status 0x%x\n", status));
2595		ts->resp = SAS_TASK_COMPLETE;
2596		ts->stat = SAS_DEV_NO_RESPONSE;
2597		/* not allowed case. Therefore, return failed status */
2598		break;
2599	}
2600	spin_lock_irqsave(&t->task_state_lock, flags);
2601	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2602	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2603	t->task_state_flags |= SAS_TASK_STATE_DONE;
2604	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2605		spin_unlock_irqrestore(&t->task_state_lock, flags);
2606		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2607			" io_status 0x%x resp 0x%x "
2608			"stat 0x%x but aborted by upper layer!\n",
2609			t, status, ts->resp, ts->stat));
2610		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2611	} else {
2612		spin_unlock_irqrestore(&t->task_state_lock, flags);
2613		pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2614		mb();/* in order to force CPU ordering */
2615		t->task_done(t);
2616	}
2617}
2618
2619static void
2620mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2621{
2622	struct set_dev_state_resp *pPayload =
2623		(struct set_dev_state_resp *)(piomb + 4);
2624	u32 tag = le32_to_cpu(pPayload->tag);
2625	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2626	struct pm8001_device *pm8001_dev = ccb->device;
2627	u32 status = le32_to_cpu(pPayload->status);
2628	u32 device_id = le32_to_cpu(pPayload->device_id);
2629	u8 pds = le32_to_cpu(pPayload->pds_nds) | PDS_BITS;
2630	u8 nds = le32_to_cpu(pPayload->pds_nds) | NDS_BITS;
2631	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set device id = 0x%x state "
2632		"from 0x%x to 0x%x status = 0x%x!\n",
2633		device_id, pds, nds, status));
 
2634	complete(pm8001_dev->setds_completion);
2635	ccb->task = NULL;
2636	ccb->ccb_tag = 0xFFFFFFFF;
2637	pm8001_ccb_free(pm8001_ha, tag);
2638}
2639
2640static void
2641mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2642{
2643	struct get_nvm_data_resp *pPayload =
2644		(struct get_nvm_data_resp *)(piomb + 4);
2645	u32 tag = le32_to_cpu(pPayload->tag);
2646	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2647	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
 
2648	complete(pm8001_ha->nvmd_completion);
2649	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set nvm data complete!\n"));
2650	if ((dlen_status & NVMD_STAT) != 0) {
2651		PM8001_FAIL_DBG(pm8001_ha,
2652			pm8001_printk("Set nvm data error!\n"));
2653		return;
2654	}
2655	ccb->task = NULL;
2656	ccb->ccb_tag = 0xFFFFFFFF;
2657	pm8001_ccb_free(pm8001_ha, tag);
2658}
2659
2660static void
2661mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2662{
2663	struct fw_control_ex	*fw_control_context;
2664	struct get_nvm_data_resp *pPayload =
2665		(struct get_nvm_data_resp *)(piomb + 4);
2666	u32 tag = le32_to_cpu(pPayload->tag);
2667	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2668	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2669	u32 ir_tds_bn_dps_das_nvm =
2670		le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
2671	void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
2672	fw_control_context = ccb->fw_control_context;
2673
2674	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
2675	if ((dlen_status & NVMD_STAT) != 0) {
2676		PM8001_FAIL_DBG(pm8001_ha,
2677			pm8001_printk("Get nvm data error!\n"));
2678		complete(pm8001_ha->nvmd_completion);
 
 
 
 
2679		return;
2680	}
2681
2682	if (ir_tds_bn_dps_das_nvm & IPMode) {
2683		/* indirect mode - IR bit set */
2684		PM8001_MSG_DBG(pm8001_ha,
2685			pm8001_printk("Get NVMD success, IR=1\n"));
2686		if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
2687			if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
2688				memcpy(pm8001_ha->sas_addr,
2689				      ((u8 *)virt_addr + 4),
2690				       SAS_ADDR_SIZE);
2691				PM8001_MSG_DBG(pm8001_ha,
2692					pm8001_printk("Get SAS address"
2693					" from VPD successfully!\n"));
2694			}
2695		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
2696			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
2697			((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
2698				;
2699		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
2700			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
2701			;
2702		} else {
2703			/* Should not be happened*/
2704			PM8001_MSG_DBG(pm8001_ha,
2705				pm8001_printk("(IR=1)Wrong Device type 0x%x\n",
2706				ir_tds_bn_dps_das_nvm));
2707		}
2708	} else /* direct mode */{
2709		PM8001_MSG_DBG(pm8001_ha,
2710			pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
2711			(dlen_status & NVMD_LEN) >> 24));
2712	}
 
 
 
2713	memcpy(fw_control_context->usrAddr,
2714		pm8001_ha->memoryMap.region[NVMD].virt_ptr,
2715		fw_control_context->len);
 
 
 
 
 
2716	complete(pm8001_ha->nvmd_completion);
2717	ccb->task = NULL;
2718	ccb->ccb_tag = 0xFFFFFFFF;
2719	pm8001_ccb_free(pm8001_ha, tag);
2720}
2721
2722static int mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
2723{
 
2724	struct local_phy_ctl_resp *pPayload =
2725		(struct local_phy_ctl_resp *)(piomb + 4);
2726	u32 status = le32_to_cpu(pPayload->status);
2727	u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
2728	u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
 
2729	if (status != 0) {
2730		PM8001_MSG_DBG(pm8001_ha,
2731			pm8001_printk("%x phy execute %x phy op failed! \n",
2732			phy_id, phy_op));
2733	} else
2734		PM8001_MSG_DBG(pm8001_ha,
2735			pm8001_printk("%x phy execute %x phy op success! \n",
2736			phy_id, phy_op));
 
 
 
 
 
 
 
2737	return 0;
2738}
2739
2740/**
2741 * pm8001_bytes_dmaed - one of the interface function communication with libsas
2742 * @pm8001_ha: our hba card information
2743 * @i: which phy that received the event.
2744 *
2745 * when HBA driver received the identify done event or initiate FIS received
2746 * event(for SATA), it will invoke this function to notify the sas layer that
2747 * the sas toplogy has formed, please discover the the whole sas domain,
2748 * while receive a broadcast(change) primitive just tell the sas
2749 * layer to discover the changed domain rather than the whole domain.
2750 */
2751static void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
2752{
2753	struct pm8001_phy *phy = &pm8001_ha->phy[i];
2754	struct asd_sas_phy *sas_phy = &phy->sas_phy;
2755	struct sas_ha_struct *sas_ha;
2756	if (!phy->phy_attached)
2757		return;
2758
2759	sas_ha = pm8001_ha->sas;
2760	if (sas_phy->phy) {
2761		struct sas_phy *sphy = sas_phy->phy;
2762		sphy->negotiated_linkrate = sas_phy->linkrate;
2763		sphy->minimum_linkrate = phy->minimum_linkrate;
2764		sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
2765		sphy->maximum_linkrate = phy->maximum_linkrate;
2766		sphy->maximum_linkrate_hw = phy->maximum_linkrate;
2767	}
2768
2769	if (phy->phy_type & PORT_TYPE_SAS) {
2770		struct sas_identify_frame *id;
2771		id = (struct sas_identify_frame *)phy->frame_rcvd;
2772		id->dev_type = phy->identify.device_type;
2773		id->initiator_bits = SAS_PROTOCOL_ALL;
2774		id->target_bits = phy->identify.target_port_protocols;
2775	} else if (phy->phy_type & PORT_TYPE_SATA) {
2776		/*Nothing*/
2777	}
2778	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("phy %d byte dmaded.\n", i));
2779
2780	sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
2781	pm8001_ha->sas->notify_port_event(sas_phy, PORTE_BYTES_DMAED);
2782}
2783
2784/* Get the link rate speed  */
2785static void get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
2786{
2787	struct sas_phy *sas_phy = phy->sas_phy.phy;
2788
2789	switch (link_rate) {
 
 
 
2790	case PHY_SPEED_60:
2791		phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
2792		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
2793		break;
2794	case PHY_SPEED_30:
2795		phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
2796		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
2797		break;
2798	case PHY_SPEED_15:
2799		phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
2800		phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
2801		break;
2802	}
2803	sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
2804	sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
2805	sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
2806	sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
2807	sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
2808}
2809
2810/**
2811 * asd_get_attached_sas_addr -- extract/generate attached SAS address
2812 * @phy: pointer to asd_phy
2813 * @sas_addr: pointer to buffer where the SAS address is to be written
2814 *
2815 * This function extracts the SAS address from an IDENTIFY frame
2816 * received.  If OOB is SATA, then a SAS address is generated from the
2817 * HA tables.
2818 *
2819 * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
2820 * buffer.
2821 */
2822static void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
2823	u8 *sas_addr)
2824{
2825	if (phy->sas_phy.frame_rcvd[0] == 0x34
2826		&& phy->sas_phy.oob_mode == SATA_OOB_MODE) {
2827		struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
2828		/* FIS device-to-host */
2829		u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
2830		addr += phy->sas_phy.id;
2831		*(__be64 *)sas_addr = cpu_to_be64(addr);
2832	} else {
2833		struct sas_identify_frame *idframe =
2834			(void *) phy->sas_phy.frame_rcvd;
2835		memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
2836	}
2837}
2838
2839/**
2840 * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
2841 * @pm8001_ha: our hba card information
2842 * @Qnum: the outbound queue message number.
2843 * @SEA: source of event to ack
2844 * @port_id: port id.
2845 * @phyId: phy id.
2846 * @param0: parameter 0.
2847 * @param1: parameter 1.
2848 */
2849static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
2850	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
2851{
2852	struct hw_event_ack_req	 payload;
2853	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
2854
2855	struct inbound_queue_table *circularQ;
2856
2857	memset((u8 *)&payload, 0, sizeof(payload));
2858	circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
2859	payload.tag = 1;
2860	payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
2861		((phyId & 0x0F) << 4) | (port_id & 0x0F));
2862	payload.param0 = cpu_to_le32(param0);
2863	payload.param1 = cpu_to_le32(param1);
2864	mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
 
2865}
2866
2867static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
2868	u32 phyId, u32 phy_op);
2869
2870/**
2871 * hw_event_sas_phy_up -FW tells me a SAS phy up event.
2872 * @pm8001_ha: our hba card information
2873 * @piomb: IO message buffer
2874 */
2875static void
2876hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2877{
2878	struct hw_event_resp *pPayload =
2879		(struct hw_event_resp *)(piomb + 4);
2880	u32 lr_evt_status_phyid_portid =
2881		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
2882	u8 link_rate =
2883		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
2884	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
2885	u8 phy_id =
2886		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
2887	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
2888	u8 portstate = (u8)(npip_portstate & 0x0000000F);
2889	struct pm8001_port *port = &pm8001_ha->port[port_id];
2890	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2891	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2892	unsigned long flags;
2893	u8 deviceType = pPayload->sas_identify.dev_type;
 
 
2894	port->port_state =  portstate;
2895	PM8001_MSG_DBG(pm8001_ha,
2896		pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
2897		port_id, phy_id));
 
2898
2899	switch (deviceType) {
2900	case SAS_PHY_UNUSED:
2901		PM8001_MSG_DBG(pm8001_ha,
2902			pm8001_printk("device type no device.\n"));
2903		break;
2904	case SAS_END_DEVICE:
2905		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
2906		pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
2907			PHY_NOTIFY_ENABLE_SPINUP);
2908		port->port_attached = 1;
2909		get_lrate_mode(phy, link_rate);
2910		break;
2911	case SAS_EDGE_EXPANDER_DEVICE:
2912		PM8001_MSG_DBG(pm8001_ha,
2913			pm8001_printk("expander device.\n"));
2914		port->port_attached = 1;
2915		get_lrate_mode(phy, link_rate);
2916		break;
2917	case SAS_FANOUT_EXPANDER_DEVICE:
2918		PM8001_MSG_DBG(pm8001_ha,
2919			pm8001_printk("fanout expander device.\n"));
2920		port->port_attached = 1;
2921		get_lrate_mode(phy, link_rate);
2922		break;
2923	default:
2924		PM8001_MSG_DBG(pm8001_ha,
2925			pm8001_printk("unknown device type(%x)\n", deviceType));
2926		break;
2927	}
2928	phy->phy_type |= PORT_TYPE_SAS;
2929	phy->identify.device_type = deviceType;
2930	phy->phy_attached = 1;
2931	if (phy->identify.device_type == SAS_END_DEV)
2932		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
2933	else if (phy->identify.device_type != NO_DEVICE)
2934		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
2935	phy->sas_phy.oob_mode = SAS_OOB_MODE;
2936	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2937	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2938	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
2939		sizeof(struct sas_identify_frame)-4);
2940	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
2941	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2942	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2943	if (pm8001_ha->flags == PM8001F_RUN_TIME)
2944		mdelay(200);/*delay a moment to wait disk to spinup*/
2945	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2946}
2947
2948/**
2949 * hw_event_sata_phy_up -FW tells me a SATA phy up event.
2950 * @pm8001_ha: our hba card information
2951 * @piomb: IO message buffer
2952 */
2953static void
2954hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2955{
2956	struct hw_event_resp *pPayload =
2957		(struct hw_event_resp *)(piomb + 4);
2958	u32 lr_evt_status_phyid_portid =
2959		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
2960	u8 link_rate =
2961		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
2962	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
2963	u8 phy_id =
2964		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
2965	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
2966	u8 portstate = (u8)(npip_portstate & 0x0000000F);
2967	struct pm8001_port *port = &pm8001_ha->port[port_id];
2968	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2969	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2970	unsigned long flags;
2971	PM8001_MSG_DBG(pm8001_ha,
2972		pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
2973		" phy id = %d\n", port_id, phy_id));
 
2974	port->port_state =  portstate;
 
2975	port->port_attached = 1;
2976	get_lrate_mode(phy, link_rate);
2977	phy->phy_type |= PORT_TYPE_SATA;
2978	phy->phy_attached = 1;
2979	phy->sas_phy.oob_mode = SATA_OOB_MODE;
2980	sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2981	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2982	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
2983		sizeof(struct dev_to_host_fis));
2984	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
2985	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
2986	phy->identify.device_type = SATA_DEV;
2987	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2988	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2989	pm8001_bytes_dmaed(pm8001_ha, phy_id);
2990}
2991
2992/**
2993 * hw_event_phy_down -we should notify the libsas the phy is down.
2994 * @pm8001_ha: our hba card information
2995 * @piomb: IO message buffer
2996 */
2997static void
2998hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
2999{
3000	struct hw_event_resp *pPayload =
3001		(struct hw_event_resp *)(piomb + 4);
3002	u32 lr_evt_status_phyid_portid =
3003		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3004	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3005	u8 phy_id =
3006		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3007	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3008	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3009	struct pm8001_port *port = &pm8001_ha->port[port_id];
3010	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3011	port->port_state =  portstate;
3012	phy->phy_type = 0;
3013	phy->identify.device_type = 0;
3014	phy->phy_attached = 0;
3015	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3016	switch (portstate) {
3017	case PORT_VALID:
3018		break;
3019	case PORT_INVALID:
3020		PM8001_MSG_DBG(pm8001_ha,
3021			pm8001_printk(" PortInvalid portID %d \n", port_id));
3022		PM8001_MSG_DBG(pm8001_ha,
3023			pm8001_printk(" Last phy Down and port invalid\n"));
3024		port->port_attached = 0;
3025		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3026			port_id, phy_id, 0, 0);
3027		break;
3028	case PORT_IN_RESET:
3029		PM8001_MSG_DBG(pm8001_ha,
3030			pm8001_printk(" Port In Reset portID %d \n", port_id));
3031		break;
3032	case PORT_NOT_ESTABLISHED:
3033		PM8001_MSG_DBG(pm8001_ha,
3034			pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
3035		port->port_attached = 0;
3036		break;
3037	case PORT_LOSTCOMM:
3038		PM8001_MSG_DBG(pm8001_ha,
3039			pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
3040		PM8001_MSG_DBG(pm8001_ha,
3041			pm8001_printk(" Last phy Down and port invalid\n"));
3042		port->port_attached = 0;
3043		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3044			port_id, phy_id, 0, 0);
3045		break;
3046	default:
3047		port->port_attached = 0;
3048		PM8001_MSG_DBG(pm8001_ha,
3049			pm8001_printk(" phy Down and(default) = %x\n",
3050			portstate));
3051		break;
3052
3053	}
3054}
3055
3056/**
3057 * mpi_reg_resp -process register device ID response.
3058 * @pm8001_ha: our hba card information
3059 * @piomb: IO message buffer
3060 *
3061 * when sas layer find a device it will notify LLDD, then the driver register
3062 * the domain device to FW, this event is the return device ID which the FW
3063 * has assigned, from now,inter-communication with FW is no longer using the
3064 * SAS address, use device ID which FW assigned.
3065 */
3066static int mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3067{
3068	u32 status;
3069	u32 device_id;
3070	u32 htag;
3071	struct pm8001_ccb_info *ccb;
3072	struct pm8001_device *pm8001_dev;
3073	struct dev_reg_resp *registerRespPayload =
3074		(struct dev_reg_resp *)(piomb + 4);
3075
3076	htag = le32_to_cpu(registerRespPayload->tag);
3077	ccb = &pm8001_ha->ccb_info[registerRespPayload->tag];
3078	pm8001_dev = ccb->device;
3079	status = le32_to_cpu(registerRespPayload->status);
3080	device_id = le32_to_cpu(registerRespPayload->device_id);
3081	PM8001_MSG_DBG(pm8001_ha,
3082		pm8001_printk(" register device is status = %d\n", status));
 
3083	switch (status) {
3084	case DEVREG_SUCCESS:
3085		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("DEVREG_SUCCESS\n"));
3086		pm8001_dev->device_id = device_id;
3087		break;
3088	case DEVREG_FAILURE_OUT_OF_RESOURCE:
3089		PM8001_MSG_DBG(pm8001_ha,
3090			pm8001_printk("DEVREG_FAILURE_OUT_OF_RESOURCE\n"));
3091		break;
3092	case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3093		PM8001_MSG_DBG(pm8001_ha,
3094		   pm8001_printk("DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n"));
3095		break;
3096	case DEVREG_FAILURE_INVALID_PHY_ID:
3097		PM8001_MSG_DBG(pm8001_ha,
3098			pm8001_printk("DEVREG_FAILURE_INVALID_PHY_ID\n"));
3099		break;
3100	case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3101		PM8001_MSG_DBG(pm8001_ha,
3102		   pm8001_printk("DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n"));
3103		break;
3104	case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3105		PM8001_MSG_DBG(pm8001_ha,
3106			pm8001_printk("DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n"));
3107		break;
3108	case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3109		PM8001_MSG_DBG(pm8001_ha,
3110			pm8001_printk("DEVREG_FAILURE_PORT_NOT_VALID_STATE\n"));
3111		break;
3112	case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3113		PM8001_MSG_DBG(pm8001_ha,
3114		       pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n"));
3115		break;
3116	default:
3117		PM8001_MSG_DBG(pm8001_ha,
3118		 pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_UNSORPORTED\n"));
3119		break;
3120	}
3121	complete(pm8001_dev->dcompletion);
3122	ccb->task = NULL;
3123	ccb->ccb_tag = 0xFFFFFFFF;
3124	pm8001_ccb_free(pm8001_ha, htag);
3125	return 0;
3126}
3127
3128static int mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3129{
3130	u32 status;
3131	u32 device_id;
3132	struct dev_reg_resp *registerRespPayload =
3133		(struct dev_reg_resp *)(piomb + 4);
3134
3135	status = le32_to_cpu(registerRespPayload->status);
3136	device_id = le32_to_cpu(registerRespPayload->device_id);
3137	if (status != 0)
3138		PM8001_MSG_DBG(pm8001_ha,
3139			pm8001_printk(" deregister device failed ,status = %x"
3140			", device_id = %x\n", status, device_id));
3141	return 0;
3142}
3143
3144static int
3145mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 
 
 
 
 
3146{
3147	u32 status;
3148	struct fw_control_ex	fw_control_context;
3149	struct fw_flash_Update_resp *ppayload =
3150		(struct fw_flash_Update_resp *)(piomb + 4);
3151	u32 tag = le32_to_cpu(ppayload->tag);
3152	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
 
3153	status = le32_to_cpu(ppayload->status);
3154	memcpy(&fw_control_context,
3155		ccb->fw_control_context,
3156		sizeof(fw_control_context));
3157	switch (status) {
3158	case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3159		PM8001_MSG_DBG(pm8001_ha,
3160		pm8001_printk(": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n"));
3161		break;
3162	case FLASH_UPDATE_IN_PROGRESS:
3163		PM8001_MSG_DBG(pm8001_ha,
3164			pm8001_printk(": FLASH_UPDATE_IN_PROGRESS\n"));
3165		break;
3166	case FLASH_UPDATE_HDR_ERR:
3167		PM8001_MSG_DBG(pm8001_ha,
3168			pm8001_printk(": FLASH_UPDATE_HDR_ERR\n"));
3169		break;
3170	case FLASH_UPDATE_OFFSET_ERR:
3171		PM8001_MSG_DBG(pm8001_ha,
3172			pm8001_printk(": FLASH_UPDATE_OFFSET_ERR\n"));
3173		break;
3174	case FLASH_UPDATE_CRC_ERR:
3175		PM8001_MSG_DBG(pm8001_ha,
3176			pm8001_printk(": FLASH_UPDATE_CRC_ERR\n"));
3177		break;
3178	case FLASH_UPDATE_LENGTH_ERR:
3179		PM8001_MSG_DBG(pm8001_ha,
3180			pm8001_printk(": FLASH_UPDATE_LENGTH_ERR\n"));
3181		break;
3182	case FLASH_UPDATE_HW_ERR:
3183		PM8001_MSG_DBG(pm8001_ha,
3184			pm8001_printk(": FLASH_UPDATE_HW_ERR\n"));
3185		break;
3186	case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3187		PM8001_MSG_DBG(pm8001_ha,
3188			pm8001_printk(": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n"));
3189		break;
3190	case FLASH_UPDATE_DISABLED:
3191		PM8001_MSG_DBG(pm8001_ha,
3192			pm8001_printk(": FLASH_UPDATE_DISABLED\n"));
3193		break;
3194	default:
3195		PM8001_MSG_DBG(pm8001_ha,
3196			pm8001_printk("No matched status = %d\n", status));
3197		break;
3198	}
3199	ccb->fw_control_context->fw_control->retcode = status;
3200	pci_free_consistent(pm8001_ha->pdev,
3201			fw_control_context.len,
3202			fw_control_context.virtAddr,
3203			fw_control_context.phys_addr);
3204	complete(pm8001_ha->nvmd_completion);
3205	ccb->task = NULL;
3206	ccb->ccb_tag = 0xFFFFFFFF;
3207	pm8001_ccb_free(pm8001_ha, tag);
3208	return 0;
3209}
3210
3211static int
3212mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
3213{
3214	u32 status;
3215	int i;
3216	struct general_event_resp *pPayload =
3217		(struct general_event_resp *)(piomb + 4);
3218	status = le32_to_cpu(pPayload->status);
3219	PM8001_MSG_DBG(pm8001_ha,
3220		pm8001_printk(" status = 0x%x\n", status));
3221	for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3222		PM8001_MSG_DBG(pm8001_ha,
3223			pm8001_printk("inb_IOMB_payload[0x%x] 0x%x, \n", i,
3224			pPayload->inb_IOMB_payload[i]));
3225	return 0;
3226}
3227
3228static int
3229mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3230{
3231	struct sas_task *t;
3232	struct pm8001_ccb_info *ccb;
3233	unsigned long flags;
3234	u32 status ;
3235	u32 tag, scp;
3236	struct task_status_struct *ts;
 
3237
3238	struct task_abort_resp *pPayload =
3239		(struct task_abort_resp *)(piomb + 4);
3240	ccb = &pm8001_ha->ccb_info[pPayload->tag];
3241	t = ccb->task;
3242
3243
3244	status = le32_to_cpu(pPayload->status);
3245	tag = le32_to_cpu(pPayload->tag);
 
3246	scp = le32_to_cpu(pPayload->scp);
3247	PM8001_IO_DBG(pm8001_ha,
3248		pm8001_printk(" status = 0x%x\n", status));
3249	if (t == NULL)
 
 
 
3250		return -1;
 
 
 
 
 
3251	ts = &t->task_status;
3252	if (status != 0)
3253		PM8001_FAIL_DBG(pm8001_ha,
3254			pm8001_printk("task abort failed status 0x%x ,"
3255			"tag = 0x%x, scp= 0x%x\n", status, tag, scp));
3256	switch (status) {
3257	case IO_SUCCESS:
3258		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
3259		ts->resp = SAS_TASK_COMPLETE;
3260		ts->stat = SAM_STAT_GOOD;
3261		break;
3262	case IO_NOT_VALID:
3263		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));
3264		ts->resp = TMF_RESP_FUNC_FAILED;
3265		break;
3266	}
3267	spin_lock_irqsave(&t->task_state_lock, flags);
3268	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3269	t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3270	t->task_state_flags |= SAS_TASK_STATE_DONE;
3271	spin_unlock_irqrestore(&t->task_state_lock, flags);
3272	pm8001_ccb_task_free(pm8001_ha, t, ccb, pPayload->tag);
3273	mb();
 
3274	t->task_done(t);
 
3275	return 0;
3276}
3277
3278/**
3279 * mpi_hw_event -The hw event has come.
3280 * @pm8001_ha: our hba card information
3281 * @piomb: IO message buffer
3282 */
3283static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
3284{
3285	unsigned long flags;
3286	struct hw_event_resp *pPayload =
3287		(struct hw_event_resp *)(piomb + 4);
3288	u32 lr_evt_status_phyid_portid =
3289		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3290	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3291	u8 phy_id =
3292		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3293	u16 eventType =
3294		(u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3295	u8 status =
3296		(u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3297	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3298	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3299	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3300	PM8001_MSG_DBG(pm8001_ha,
3301		pm8001_printk("outbound queue HW event & event type : "));
 
3302	switch (eventType) {
3303	case HW_EVENT_PHY_START_STATUS:
3304		PM8001_MSG_DBG(pm8001_ha,
3305		pm8001_printk("HW_EVENT_PHY_START_STATUS"
3306			" status = %x\n", status));
3307		if (status == 0) {
3308			phy->phy_state = 1;
3309			if (pm8001_ha->flags == PM8001F_RUN_TIME)
3310				complete(phy->enable_completion);
 
 
 
3311		}
3312		break;
3313	case HW_EVENT_SAS_PHY_UP:
3314		PM8001_MSG_DBG(pm8001_ha,
3315			pm8001_printk("HW_EVENT_PHY_START_STATUS \n"));
3316		hw_event_sas_phy_up(pm8001_ha, piomb);
3317		break;
3318	case HW_EVENT_SATA_PHY_UP:
3319		PM8001_MSG_DBG(pm8001_ha,
3320			pm8001_printk("HW_EVENT_SATA_PHY_UP \n"));
3321		hw_event_sata_phy_up(pm8001_ha, piomb);
3322		break;
3323	case HW_EVENT_PHY_STOP_STATUS:
3324		PM8001_MSG_DBG(pm8001_ha,
3325			pm8001_printk("HW_EVENT_PHY_STOP_STATUS "
3326			"status = %x\n", status));
3327		if (status == 0)
3328			phy->phy_state = 0;
3329		break;
3330	case HW_EVENT_SATA_SPINUP_HOLD:
3331		PM8001_MSG_DBG(pm8001_ha,
3332			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD \n"));
3333		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3334		break;
3335	case HW_EVENT_PHY_DOWN:
3336		PM8001_MSG_DBG(pm8001_ha,
3337			pm8001_printk("HW_EVENT_PHY_DOWN \n"));
3338		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3339		phy->phy_attached = 0;
3340		phy->phy_state = 0;
3341		hw_event_phy_down(pm8001_ha, piomb);
3342		break;
3343	case HW_EVENT_PORT_INVALID:
3344		PM8001_MSG_DBG(pm8001_ha,
3345			pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3346		sas_phy_disconnected(sas_phy);
3347		phy->phy_attached = 0;
3348		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3349		break;
3350	/* the broadcast change primitive received, tell the LIBSAS this event
3351	to revalidate the sas domain*/
3352	case HW_EVENT_BROADCAST_CHANGE:
3353		PM8001_MSG_DBG(pm8001_ha,
3354			pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3355		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3356			port_id, phy_id, 1, 0);
3357		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3358		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3359		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3360		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
 
3361		break;
3362	case HW_EVENT_PHY_ERROR:
3363		PM8001_MSG_DBG(pm8001_ha,
3364			pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3365		sas_phy_disconnected(&phy->sas_phy);
3366		phy->phy_attached = 0;
3367		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3368		break;
3369	case HW_EVENT_BROADCAST_EXP:
3370		PM8001_MSG_DBG(pm8001_ha,
3371			pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3372		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3373		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3374		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3375		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
 
3376		break;
3377	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3378		PM8001_MSG_DBG(pm8001_ha,
3379			pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3380		pm8001_hw_event_ack_req(pm8001_ha, 0,
3381			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3382		sas_phy_disconnected(sas_phy);
3383		phy->phy_attached = 0;
3384		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3385		break;
3386	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3387		PM8001_MSG_DBG(pm8001_ha,
3388			pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3389		pm8001_hw_event_ack_req(pm8001_ha, 0,
3390			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3391			port_id, phy_id, 0, 0);
3392		sas_phy_disconnected(sas_phy);
3393		phy->phy_attached = 0;
3394		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3395		break;
3396	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3397		PM8001_MSG_DBG(pm8001_ha,
3398			pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3399		pm8001_hw_event_ack_req(pm8001_ha, 0,
3400			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3401			port_id, phy_id, 0, 0);
3402		sas_phy_disconnected(sas_phy);
3403		phy->phy_attached = 0;
3404		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3405		break;
3406	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3407		PM8001_MSG_DBG(pm8001_ha,
3408		      pm8001_printk("HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3409		pm8001_hw_event_ack_req(pm8001_ha, 0,
3410			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3411			port_id, phy_id, 0, 0);
3412		sas_phy_disconnected(sas_phy);
3413		phy->phy_attached = 0;
3414		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3415		break;
3416	case HW_EVENT_MALFUNCTION:
3417		PM8001_MSG_DBG(pm8001_ha,
3418			pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3419		break;
3420	case HW_EVENT_BROADCAST_SES:
3421		PM8001_MSG_DBG(pm8001_ha,
3422			pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3423		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3424		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3425		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3426		sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
 
3427		break;
3428	case HW_EVENT_INBOUND_CRC_ERROR:
3429		PM8001_MSG_DBG(pm8001_ha,
3430			pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3431		pm8001_hw_event_ack_req(pm8001_ha, 0,
3432			HW_EVENT_INBOUND_CRC_ERROR,
3433			port_id, phy_id, 0, 0);
3434		break;
3435	case HW_EVENT_HARD_RESET_RECEIVED:
3436		PM8001_MSG_DBG(pm8001_ha,
3437			pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3438		sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3439		break;
3440	case HW_EVENT_ID_FRAME_TIMEOUT:
3441		PM8001_MSG_DBG(pm8001_ha,
3442			pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3443		sas_phy_disconnected(sas_phy);
3444		phy->phy_attached = 0;
3445		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3446		break;
3447	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3448		PM8001_MSG_DBG(pm8001_ha,
3449			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED \n"));
3450		pm8001_hw_event_ack_req(pm8001_ha, 0,
3451			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3452			port_id, phy_id, 0, 0);
3453		sas_phy_disconnected(sas_phy);
3454		phy->phy_attached = 0;
3455		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3456		break;
3457	case HW_EVENT_PORT_RESET_TIMER_TMO:
3458		PM8001_MSG_DBG(pm8001_ha,
3459			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO \n"));
3460		sas_phy_disconnected(sas_phy);
3461		phy->phy_attached = 0;
3462		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3463		break;
3464	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3465		PM8001_MSG_DBG(pm8001_ha,
3466			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO \n"));
3467		sas_phy_disconnected(sas_phy);
3468		phy->phy_attached = 0;
3469		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 
3470		break;
3471	case HW_EVENT_PORT_RECOVER:
3472		PM8001_MSG_DBG(pm8001_ha,
3473			pm8001_printk("HW_EVENT_PORT_RECOVER \n"));
3474		break;
3475	case HW_EVENT_PORT_RESET_COMPLETE:
3476		PM8001_MSG_DBG(pm8001_ha,
3477			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE \n"));
3478		break;
3479	case EVENT_BROADCAST_ASYNCH_EVENT:
3480		PM8001_MSG_DBG(pm8001_ha,
3481			pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3482		break;
3483	default:
3484		PM8001_MSG_DBG(pm8001_ha,
3485			pm8001_printk("Unknown event type = %x\n", eventType));
3486		break;
3487	}
3488	return 0;
3489}
3490
3491/**
3492 * process_one_iomb - process one outbound Queue memory block
3493 * @pm8001_ha: our hba card information
3494 * @piomb: IO message buffer
3495 */
3496static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3497{
3498	u32 pHeader = (u32)*(u32 *)piomb;
3499	u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3500
3501	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));
3502
3503	switch (opc) {
3504	case OPC_OUB_ECHO:
3505		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO \n"));
3506		break;
3507	case OPC_OUB_HW_EVENT:
3508		PM8001_MSG_DBG(pm8001_ha,
3509			pm8001_printk("OPC_OUB_HW_EVENT \n"));
3510		mpi_hw_event(pm8001_ha, piomb);
3511		break;
3512	case OPC_OUB_SSP_COMP:
3513		PM8001_MSG_DBG(pm8001_ha,
3514			pm8001_printk("OPC_OUB_SSP_COMP \n"));
3515		mpi_ssp_completion(pm8001_ha, piomb);
3516		break;
3517	case OPC_OUB_SMP_COMP:
3518		PM8001_MSG_DBG(pm8001_ha,
3519			pm8001_printk("OPC_OUB_SMP_COMP \n"));
3520		mpi_smp_completion(pm8001_ha, piomb);
3521		break;
3522	case OPC_OUB_LOCAL_PHY_CNTRL:
3523		PM8001_MSG_DBG(pm8001_ha,
3524			pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3525		mpi_local_phy_ctl(pm8001_ha, piomb);
3526		break;
3527	case OPC_OUB_DEV_REGIST:
3528		PM8001_MSG_DBG(pm8001_ha,
3529			pm8001_printk("OPC_OUB_DEV_REGIST \n"));
3530		mpi_reg_resp(pm8001_ha, piomb);
3531		break;
3532	case OPC_OUB_DEREG_DEV:
3533		PM8001_MSG_DBG(pm8001_ha,
3534			pm8001_printk("unresgister the deviece \n"));
3535		mpi_dereg_resp(pm8001_ha, piomb);
3536		break;
3537	case OPC_OUB_GET_DEV_HANDLE:
3538		PM8001_MSG_DBG(pm8001_ha,
3539			pm8001_printk("OPC_OUB_GET_DEV_HANDLE \n"));
3540		break;
3541	case OPC_OUB_SATA_COMP:
3542		PM8001_MSG_DBG(pm8001_ha,
3543			pm8001_printk("OPC_OUB_SATA_COMP \n"));
3544		mpi_sata_completion(pm8001_ha, piomb);
3545		break;
3546	case OPC_OUB_SATA_EVENT:
3547		PM8001_MSG_DBG(pm8001_ha,
3548			pm8001_printk("OPC_OUB_SATA_EVENT \n"));
3549		mpi_sata_event(pm8001_ha, piomb);
3550		break;
3551	case OPC_OUB_SSP_EVENT:
3552		PM8001_MSG_DBG(pm8001_ha,
3553			pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3554		mpi_ssp_event(pm8001_ha, piomb);
3555		break;
3556	case OPC_OUB_DEV_HANDLE_ARRIV:
3557		PM8001_MSG_DBG(pm8001_ha,
3558			pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3559		/*This is for target*/
3560		break;
3561	case OPC_OUB_SSP_RECV_EVENT:
3562		PM8001_MSG_DBG(pm8001_ha,
3563			pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3564		/*This is for target*/
3565		break;
3566	case OPC_OUB_DEV_INFO:
3567		PM8001_MSG_DBG(pm8001_ha,
3568			pm8001_printk("OPC_OUB_DEV_INFO\n"));
3569		break;
3570	case OPC_OUB_FW_FLASH_UPDATE:
3571		PM8001_MSG_DBG(pm8001_ha,
3572			pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3573		mpi_fw_flash_update_resp(pm8001_ha, piomb);
3574		break;
3575	case OPC_OUB_GPIO_RESPONSE:
3576		PM8001_MSG_DBG(pm8001_ha,
3577			pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3578		break;
3579	case OPC_OUB_GPIO_EVENT:
3580		PM8001_MSG_DBG(pm8001_ha,
3581			pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3582		break;
3583	case OPC_OUB_GENERAL_EVENT:
3584		PM8001_MSG_DBG(pm8001_ha,
3585			pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3586		mpi_general_event(pm8001_ha, piomb);
3587		break;
3588	case OPC_OUB_SSP_ABORT_RSP:
3589		PM8001_MSG_DBG(pm8001_ha,
3590			pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3591		mpi_task_abort_resp(pm8001_ha, piomb);
3592		break;
3593	case OPC_OUB_SATA_ABORT_RSP:
3594		PM8001_MSG_DBG(pm8001_ha,
3595			pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3596		mpi_task_abort_resp(pm8001_ha, piomb);
3597		break;
3598	case OPC_OUB_SAS_DIAG_MODE_START_END:
3599		PM8001_MSG_DBG(pm8001_ha,
3600			pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3601		break;
3602	case OPC_OUB_SAS_DIAG_EXECUTE:
3603		PM8001_MSG_DBG(pm8001_ha,
3604			pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3605		break;
3606	case OPC_OUB_GET_TIME_STAMP:
3607		PM8001_MSG_DBG(pm8001_ha,
3608			pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3609		break;
3610	case OPC_OUB_SAS_HW_EVENT_ACK:
3611		PM8001_MSG_DBG(pm8001_ha,
3612			pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3613		break;
3614	case OPC_OUB_PORT_CONTROL:
3615		PM8001_MSG_DBG(pm8001_ha,
3616			pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3617		break;
3618	case OPC_OUB_SMP_ABORT_RSP:
3619		PM8001_MSG_DBG(pm8001_ha,
3620			pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3621		mpi_task_abort_resp(pm8001_ha, piomb);
3622		break;
3623	case OPC_OUB_GET_NVMD_DATA:
3624		PM8001_MSG_DBG(pm8001_ha,
3625			pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3626		mpi_get_nvmd_resp(pm8001_ha, piomb);
3627		break;
3628	case OPC_OUB_SET_NVMD_DATA:
3629		PM8001_MSG_DBG(pm8001_ha,
3630			pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3631		mpi_set_nvmd_resp(pm8001_ha, piomb);
3632		break;
3633	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3634		PM8001_MSG_DBG(pm8001_ha,
3635			pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3636		break;
3637	case OPC_OUB_SET_DEVICE_STATE:
3638		PM8001_MSG_DBG(pm8001_ha,
3639			pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3640		mpi_set_dev_state_resp(pm8001_ha, piomb);
3641		break;
3642	case OPC_OUB_GET_DEVICE_STATE:
3643		PM8001_MSG_DBG(pm8001_ha,
3644			pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3645		break;
3646	case OPC_OUB_SET_DEV_INFO:
3647		PM8001_MSG_DBG(pm8001_ha,
3648			pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3649		break;
3650	case OPC_OUB_SAS_RE_INITIALIZE:
3651		PM8001_MSG_DBG(pm8001_ha,
3652			pm8001_printk("OPC_OUB_SAS_RE_INITIALIZE\n"));
3653		break;
3654	default:
3655		PM8001_MSG_DBG(pm8001_ha,
3656			pm8001_printk("Unknown outbound Queue IOMB OPC = %x\n",
3657			opc));
3658		break;
3659	}
3660}
3661
3662static int process_oq(struct pm8001_hba_info *pm8001_ha)
3663{
3664	struct outbound_queue_table *circularQ;
3665	void *pMsg1 = NULL;
3666	u8 bc = 0;
3667	u32 ret = MPI_IO_STATUS_FAIL;
 
3668
3669	circularQ = &pm8001_ha->outbnd_q_tbl[0];
 
3670	do {
3671		ret = mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3672		if (MPI_IO_STATUS_SUCCESS == ret) {
3673			/* process the outbound message */
3674			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3675			/* free the message from the outbound circular buffer */
3676			mpi_msg_free_set(pm8001_ha, pMsg1, circularQ, bc);
 
3677		}
3678		if (MPI_IO_STATUS_BUSY == ret) {
3679			u32 producer_idx;
3680			/* Update the producer index from SPC */
3681			producer_idx = pm8001_read_32(circularQ->pi_virt);
3682			circularQ->producer_index = cpu_to_le32(producer_idx);
3683			if (circularQ->producer_index ==
3684				circularQ->consumer_idx)
3685				/* OQ is empty */
3686				break;
3687		}
3688	} while (1);
 
3689	return ret;
3690}
3691
3692/* PCI_DMA_... to our direction translation. */
3693static const u8 data_dir_flags[] = {
3694	[PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
3695	[PCI_DMA_TODEVICE]	= DATA_DIR_OUT,/* OUTBOUND */
3696	[PCI_DMA_FROMDEVICE]	= DATA_DIR_IN,/* INBOUND */
3697	[PCI_DMA_NONE]		= DATA_DIR_NONE,/* NO TRANSFER */
3698};
3699static void
3700pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
3701{
3702	int i;
3703	struct scatterlist *sg;
3704	struct pm8001_prd *buf_prd = prd;
3705
3706	for_each_sg(scatter, sg, nr, i) {
3707		buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
3708		buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
3709		buf_prd->im_len.e = 0;
3710		buf_prd++;
3711	}
3712}
3713
3714static void build_smp_cmd(u32 deviceID, u32 hTag, struct smp_req *psmp_cmd)
3715{
3716	psmp_cmd->tag = cpu_to_le32(hTag);
3717	psmp_cmd->device_id = cpu_to_le32(deviceID);
3718	psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3719}
3720
3721/**
3722 * pm8001_chip_smp_req - send a SMP task to FW
3723 * @pm8001_ha: our hba card information.
3724 * @ccb: the ccb information this request used.
3725 */
3726static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3727	struct pm8001_ccb_info *ccb)
3728{
3729	int elem, rc;
3730	struct sas_task *task = ccb->task;
3731	struct domain_device *dev = task->dev;
3732	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3733	struct scatterlist *sg_req, *sg_resp;
3734	u32 req_len, resp_len;
3735	struct smp_req smp_cmd;
3736	u32 opc;
3737	struct inbound_queue_table *circularQ;
3738
3739	memset(&smp_cmd, 0, sizeof(smp_cmd));
3740	/*
3741	 * DMA-map SMP request, response buffers
3742	 */
3743	sg_req = &task->smp_task.smp_req;
3744	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
3745	if (!elem)
3746		return -ENOMEM;
3747	req_len = sg_dma_len(sg_req);
3748
3749	sg_resp = &task->smp_task.smp_resp;
3750	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
3751	if (!elem) {
3752		rc = -ENOMEM;
3753		goto err_out;
3754	}
3755	resp_len = sg_dma_len(sg_resp);
3756	/* must be in dwords */
3757	if ((req_len & 0x3) || (resp_len & 0x3)) {
3758		rc = -EINVAL;
3759		goto err_out_2;
3760	}
3761
3762	opc = OPC_INB_SMP_REQUEST;
3763	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3764	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3765	smp_cmd.long_smp_req.long_req_addr =
3766		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3767	smp_cmd.long_smp_req.long_req_size =
3768		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3769	smp_cmd.long_smp_req.long_resp_addr =
3770		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
3771	smp_cmd.long_smp_req.long_resp_size =
3772		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3773	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
3774	mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd);
 
 
 
 
3775	return 0;
3776
3777err_out_2:
3778	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3779			PCI_DMA_FROMDEVICE);
3780err_out:
3781	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3782			PCI_DMA_TODEVICE);
3783	return rc;
3784}
3785
3786/**
3787 * pm8001_chip_ssp_io_req - send a SSP task to FW
3788 * @pm8001_ha: our hba card information.
3789 * @ccb: the ccb information this request used.
3790 */
3791static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3792	struct pm8001_ccb_info *ccb)
3793{
3794	struct sas_task *task = ccb->task;
3795	struct domain_device *dev = task->dev;
3796	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3797	struct ssp_ini_io_start_req ssp_cmd;
3798	u32 tag = ccb->ccb_tag;
3799	int ret;
3800	__le64 phys_addr;
3801	struct inbound_queue_table *circularQ;
3802	u32 opc = OPC_INB_SSPINIIOSTART;
3803	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3804	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3805	ssp_cmd.dir_m_tlr =
3806		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
3807	SAS 1.1 compatible TLR*/
3808	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3809	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
3810	ssp_cmd.tag = cpu_to_le32(tag);
3811	if (task->ssp_task.enable_first_burst)
3812		ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
3813	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
3814	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
3815	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cdb, 16);
3816	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3817
3818	/* fill in PRD (scatter/gather) table, if any */
3819	if (task->num_scatter > 1) {
3820		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
3821		phys_addr = cpu_to_le64(ccb->ccb_dma_handle +
3822				offsetof(struct pm8001_ccb_info, buf_prd[0]));
3823		ssp_cmd.addr_low = lower_32_bits(phys_addr);
3824		ssp_cmd.addr_high = upper_32_bits(phys_addr);
3825		ssp_cmd.esgl = cpu_to_le32(1<<31);
3826	} else if (task->num_scatter == 1) {
3827		__le64 dma_addr = cpu_to_le64(sg_dma_address(task->scatter));
3828		ssp_cmd.addr_low = lower_32_bits(dma_addr);
3829		ssp_cmd.addr_high = upper_32_bits(dma_addr);
3830		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
3831		ssp_cmd.esgl = 0;
3832	} else if (task->num_scatter == 0) {
3833		ssp_cmd.addr_low = 0;
3834		ssp_cmd.addr_high = 0;
3835		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
3836		ssp_cmd.esgl = 0;
3837	}
3838	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd);
3839	return ret;
 
3840}
3841
3842static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
3843	struct pm8001_ccb_info *ccb)
3844{
3845	struct sas_task *task = ccb->task;
3846	struct domain_device *dev = task->dev;
3847	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
3848	u32 tag = ccb->ccb_tag;
3849	int ret;
3850	struct sata_start_req sata_cmd;
3851	u32 hdr_tag, ncg_tag = 0;
3852	__le64 phys_addr;
3853	u32 ATAP = 0x0;
3854	u32 dir;
3855	struct inbound_queue_table *circularQ;
3856	u32  opc = OPC_INB_SATA_HOST_OPSTART;
 
3857	memset(&sata_cmd, 0, sizeof(sata_cmd));
3858	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3859	if (task->data_dir == PCI_DMA_NONE) {
3860		ATAP = 0x04;  /* no data*/
3861		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data \n"));
3862	} else if (likely(!task->ata_task.device_control_reg_update)) {
3863		if (task->ata_task.dma_xfer) {
 
 
 
 
3864			ATAP = 0x06; /* DMA */
3865			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA \n"));
3866		} else {
3867			ATAP = 0x05; /* PIO*/
3868			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO \n"));
3869		}
3870		if (task->ata_task.use_ncq &&
3871			dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
3872			ATAP = 0x07; /* FPDMA */
3873			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA \n"));
3874		}
3875	}
3876	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag))
 
3877		ncg_tag = hdr_tag;
 
3878	dir = data_dir_flags[task->data_dir] << 8;
3879	sata_cmd.tag = cpu_to_le32(tag);
3880	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
3881	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3882	sata_cmd.ncqtag_atap_dir_m =
3883		cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
 
 
 
3884	sata_cmd.sata_fis = task->ata_task.fis;
3885	if (likely(!task->ata_task.device_control_reg_update))
3886		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
3887	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
3888	/* fill in PRD (scatter/gather) table, if any */
3889	if (task->num_scatter > 1) {
3890		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
3891		phys_addr = cpu_to_le64(ccb->ccb_dma_handle +
3892				offsetof(struct pm8001_ccb_info, buf_prd[0]));
3893		sata_cmd.addr_low = lower_32_bits(phys_addr);
3894		sata_cmd.addr_high = upper_32_bits(phys_addr);
3895		sata_cmd.esgl = cpu_to_le32(1 << 31);
3896	} else if (task->num_scatter == 1) {
3897		__le64 dma_addr = cpu_to_le64(sg_dma_address(task->scatter));
3898		sata_cmd.addr_low = lower_32_bits(dma_addr);
3899		sata_cmd.addr_high = upper_32_bits(dma_addr);
3900		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
3901		sata_cmd.esgl = 0;
3902	} else if (task->num_scatter == 0) {
3903		sata_cmd.addr_low = 0;
3904		sata_cmd.addr_high = 0;
3905		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
3906		sata_cmd.esgl = 0;
3907	}
3908	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd);
3909	return ret;
 
3910}
3911
3912/**
3913 * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
3914 * @pm8001_ha: our hba card information.
3915 * @num: the inbound queue number
3916 * @phy_id: the phy id which we wanted to start up.
3917 */
3918static int
3919pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
3920{
3921	struct phy_start_req payload;
3922	struct inbound_queue_table *circularQ;
3923	int ret;
3924	u32 tag = 0x01;
3925	u32 opcode = OPC_INB_PHYSTART;
3926	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3927	memset(&payload, 0, sizeof(payload));
3928	payload.tag = cpu_to_le32(tag);
3929	/*
3930	 ** [0:7]   PHY Identifier
3931	 ** [8:11]  link rate 1.5G, 3G, 6G
3932	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
3933	 ** [14]    0b disable spin up hold; 1b enable spin up hold
3934	 */
3935	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
3936		LINKMODE_AUTO |	LINKRATE_15 |
3937		LINKRATE_30 | LINKRATE_60 | phy_id);
3938	payload.sas_identify.dev_type = SAS_END_DEV;
3939	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
3940	memcpy(payload.sas_identify.sas_addr,
3941		pm8001_ha->sas_addr, SAS_ADDR_SIZE);
3942	payload.sas_identify.phy_id = phy_id;
3943	ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
3944	return ret;
 
3945}
3946
3947/**
3948 * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
3949 * @pm8001_ha: our hba card information.
3950 * @num: the inbound queue number
3951 * @phy_id: the phy id which we wanted to start up.
3952 */
3953static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
3954	u8 phy_id)
3955{
3956	struct phy_stop_req payload;
3957	struct inbound_queue_table *circularQ;
3958	int ret;
3959	u32 tag = 0x01;
3960	u32 opcode = OPC_INB_PHYSTOP;
3961	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3962	memset(&payload, 0, sizeof(payload));
3963	payload.tag = cpu_to_le32(tag);
3964	payload.phy_id = cpu_to_le32(phy_id);
3965	ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
3966	return ret;
 
3967}
3968
3969/**
3970 * see comments on mpi_reg_resp.
3971 */
3972static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
3973	struct pm8001_device *pm8001_dev, u32 flag)
3974{
3975	struct reg_dev_req payload;
3976	u32	opc;
3977	u32 stp_sspsmp_sata = 0x4;
3978	struct inbound_queue_table *circularQ;
3979	u32 linkrate, phy_id;
3980	int rc, tag = 0xdeadbeef;
3981	struct pm8001_ccb_info *ccb;
3982	u8 retryFlag = 0x1;
3983	u16 firstBurstSize = 0;
3984	u16 ITNT = 2000;
3985	struct domain_device *dev = pm8001_dev->sas_device;
3986	struct domain_device *parent_dev = dev->parent;
3987	circularQ = &pm8001_ha->inbnd_q_tbl[0];
3988
3989	memset(&payload, 0, sizeof(payload));
3990	rc = pm8001_tag_alloc(pm8001_ha, &tag);
3991	if (rc)
3992		return rc;
3993	ccb = &pm8001_ha->ccb_info[tag];
3994	ccb->device = pm8001_dev;
3995	ccb->ccb_tag = tag;
3996	payload.tag = cpu_to_le32(tag);
3997	if (flag == 1)
3998		stp_sspsmp_sata = 0x02; /*direct attached sata */
3999	else {
4000		if (pm8001_dev->dev_type == SATA_DEV)
4001			stp_sspsmp_sata = 0x00; /* stp*/
4002		else if (pm8001_dev->dev_type == SAS_END_DEV ||
4003			pm8001_dev->dev_type == EDGE_DEV ||
4004			pm8001_dev->dev_type == FANOUT_DEV)
4005			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4006	}
4007	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4008		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4009	else
4010		phy_id = pm8001_dev->attached_phy;
4011	opc = OPC_INB_REG_DEV;
4012	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4013			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4014	payload.phyid_portid =
4015		cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0x0F) |
4016		((phy_id & 0x0F) << 4));
4017	payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4018		((linkrate & 0x0F) * 0x1000000) |
4019		((stp_sspsmp_sata & 0x03) * 0x10000000));
4020	payload.firstburstsize_ITNexustimeout =
4021		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4022	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4023		SAS_ADDR_SIZE);
4024	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
 
 
 
 
 
4025	return rc;
4026}
4027
4028/**
4029 * see comments on mpi_reg_resp.
4030 */
4031static int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4032	u32 device_id)
4033{
4034	struct dereg_dev_req payload;
4035	u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4036	int ret;
4037	struct inbound_queue_table *circularQ;
4038
4039	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4040	memset(&payload, 0, sizeof(payload));
4041	payload.tag = 1;
4042	payload.device_id = cpu_to_le32(device_id);
4043	PM8001_MSG_DBG(pm8001_ha,
4044		pm8001_printk("unregister device device_id = %d\n", device_id));
4045	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4046	return ret;
 
4047}
4048
4049/**
4050 * pm8001_chip_phy_ctl_req - support the local phy operation
4051 * @pm8001_ha: our hba card information.
4052 * @num: the inbound queue number
4053 * @phy_id: the phy id which we wanted to operate
4054 * @phy_op:
4055 */
4056static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4057	u32 phyId, u32 phy_op)
4058{
4059	struct local_phy_ctl_req payload;
4060	struct inbound_queue_table *circularQ;
4061	int ret;
4062	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
 
4063	memset(&payload, 0, sizeof(payload));
4064	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4065	payload.tag = 1;
4066	payload.phyop_phyid =
4067		cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4068	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4069	return ret;
 
4070}
4071
4072static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4073{
4074	u32 value;
4075#ifdef PM8001_USE_MSIX
4076	return 1;
4077#endif
 
4078	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4079	if (value)
4080		return 1;
4081	return 0;
4082
4083}
4084
4085/**
4086 * pm8001_chip_isr - PM8001 isr handler.
4087 * @pm8001_ha: our hba card information.
4088 * @irq: irq number.
4089 * @stat: stat.
4090 */
4091static irqreturn_t
4092pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha)
4093{
4094	unsigned long flags;
4095	spin_lock_irqsave(&pm8001_ha->lock, flags);
4096	pm8001_chip_interrupt_disable(pm8001_ha);
4097	process_oq(pm8001_ha);
4098	pm8001_chip_interrupt_enable(pm8001_ha);
4099	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4100	return IRQ_HANDLED;
4101}
4102
4103static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4104	u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag)
4105{
4106	struct task_abort_req task_abort;
4107	struct inbound_queue_table *circularQ;
4108	int ret;
4109	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4110	memset(&task_abort, 0, sizeof(task_abort));
4111	if (ABORT_SINGLE == (flag & ABORT_MASK)) {
4112		task_abort.abort_all = 0;
4113		task_abort.device_id = cpu_to_le32(dev_id);
4114		task_abort.tag_to_abort = cpu_to_le32(task_tag);
4115		task_abort.tag = cpu_to_le32(cmd_tag);
4116	} else if (ABORT_ALL == (flag & ABORT_MASK)) {
4117		task_abort.abort_all = cpu_to_le32(1);
4118		task_abort.device_id = cpu_to_le32(dev_id);
4119		task_abort.tag = cpu_to_le32(cmd_tag);
 
 
4120	}
4121	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort);
4122	return ret;
 
 
 
4123}
4124
4125/**
4126 * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4127 * @task: the task we wanted to aborted.
4128 * @flag: the abort flag.
4129 */
4130static int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4131	struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
4132{
4133	u32 opc, device_id;
 
 
4134	int rc = TMF_RESP_FUNC_FAILED;
4135	PM8001_EH_DBG(pm8001_ha, pm8001_printk("cmd_tag = %x, abort task tag"
4136		" = %x", cmd_tag, task_tag));
4137	if (pm8001_dev->dev_type == SAS_END_DEV)
 
 
4138		opc = OPC_INB_SSP_ABORT;
4139	else if (pm8001_dev->dev_type == SATA_DEV)
4140		opc = OPC_INB_SATA_ABORT;
4141	else
4142		opc = OPC_INB_SMP_ABORT;/* SMP */
4143	device_id = pm8001_dev->device_id;
4144	rc = send_task_abort(pm8001_ha, opc, device_id, flag,
4145		task_tag, cmd_tag);
4146	if (rc != TMF_RESP_FUNC_COMPLETE)
4147		PM8001_EH_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));
4148	return rc;
4149}
4150
4151/**
4152 * pm8001_chip_ssp_tm_req - built the task management command.
4153 * @pm8001_ha: our hba card information.
4154 * @ccb: the ccb information.
4155 * @tmf: task management function.
4156 */
4157static int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4158	struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
4159{
4160	struct sas_task *task = ccb->task;
4161	struct domain_device *dev = task->dev;
4162	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4163	u32 opc = OPC_INB_SSPINITMSTART;
4164	struct inbound_queue_table *circularQ;
4165	struct ssp_ini_tm_start_req sspTMCmd;
4166	int ret;
4167
4168	memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4169	sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4170	sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);
4171	sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4172	memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4173	sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4174	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4175	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd);
4176	return ret;
 
 
4177}
4178
4179static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4180	void *payload)
4181{
4182	u32 opc = OPC_INB_GET_NVMD_DATA;
4183	u32 nvmd_type;
4184	int rc;
4185	u32 tag;
4186	struct pm8001_ccb_info *ccb;
4187	struct inbound_queue_table *circularQ;
4188	struct get_nvm_data_req nvmd_req;
4189	struct fw_control_ex *fw_control_context;
4190	struct pm8001_ioctl_payload *ioctl_payload = payload;
4191
4192	nvmd_type = ioctl_payload->minor_function;
4193	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4194	if (!fw_control_context)
4195		return -ENOMEM;
4196	fw_control_context->usrAddr = (u8 *)&ioctl_payload->func_specific[0];
4197	fw_control_context->len = ioctl_payload->length;
4198	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4199	memset(&nvmd_req, 0, sizeof(nvmd_req));
4200	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4201	if (rc) {
 
4202		kfree(fw_control_context);
4203		return rc;
4204	}
4205	ccb = &pm8001_ha->ccb_info[tag];
4206	ccb->ccb_tag = tag;
4207	ccb->fw_control_context = fw_control_context;
4208	nvmd_req.tag = cpu_to_le32(tag);
 
4209
4210	switch (nvmd_type) {
4211	case TWI_DEVICE: {
4212		u32 twi_addr, twi_page_size;
4213		twi_addr = 0xa8;
4214		twi_page_size = 2;
4215
4216		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4217			twi_page_size << 8 | TWI_DEVICE);
4218		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4219		nvmd_req.resp_addr_hi =
4220		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4221		nvmd_req.resp_addr_lo =
4222		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4223		break;
4224	}
4225	case C_SEEPROM: {
4226		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4227		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4228		nvmd_req.resp_addr_hi =
4229		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4230		nvmd_req.resp_addr_lo =
4231		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4232		break;
4233	}
4234	case VPD_FLASH: {
4235		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4236		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4237		nvmd_req.resp_addr_hi =
4238		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4239		nvmd_req.resp_addr_lo =
4240		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4241		break;
4242	}
4243	case EXPAN_ROM: {
4244		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4245		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4246		nvmd_req.resp_addr_hi =
4247		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4248		nvmd_req.resp_addr_lo =
4249		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4250		break;
4251	}
 
 
 
 
 
 
 
 
 
 
4252	default:
4253		break;
4254	}
4255	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
 
 
 
 
 
 
4256	return rc;
4257}
4258
4259static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4260	void *payload)
4261{
4262	u32 opc = OPC_INB_SET_NVMD_DATA;
4263	u32 nvmd_type;
4264	int rc;
4265	u32 tag;
4266	struct pm8001_ccb_info *ccb;
4267	struct inbound_queue_table *circularQ;
4268	struct set_nvm_data_req nvmd_req;
4269	struct fw_control_ex *fw_control_context;
4270	struct pm8001_ioctl_payload *ioctl_payload = payload;
4271
4272	nvmd_type = ioctl_payload->minor_function;
4273	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4274	if (!fw_control_context)
4275		return -ENOMEM;
4276	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4277	memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4278		ioctl_payload->func_specific,
4279		ioctl_payload->length);
4280	memset(&nvmd_req, 0, sizeof(nvmd_req));
4281	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4282	if (rc) {
 
4283		kfree(fw_control_context);
4284		return rc;
4285	}
4286	ccb = &pm8001_ha->ccb_info[tag];
4287	ccb->fw_control_context = fw_control_context;
4288	ccb->ccb_tag = tag;
4289	nvmd_req.tag = cpu_to_le32(tag);
4290	switch (nvmd_type) {
4291	case TWI_DEVICE: {
4292		u32 twi_addr, twi_page_size;
4293		twi_addr = 0xa8;
4294		twi_page_size = 2;
4295		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4296		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4297			twi_page_size << 8 | TWI_DEVICE);
4298		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4299		nvmd_req.resp_addr_hi =
4300		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4301		nvmd_req.resp_addr_lo =
4302		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4303		break;
4304	}
4305	case C_SEEPROM:
4306		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4307		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4308		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4309		nvmd_req.resp_addr_hi =
4310		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4311		nvmd_req.resp_addr_lo =
4312		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4313		break;
4314	case VPD_FLASH:
4315		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4316		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4317		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4318		nvmd_req.resp_addr_hi =
4319		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4320		nvmd_req.resp_addr_lo =
4321		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4322		break;
4323	case EXPAN_ROM:
4324		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4325		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4326		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4327		nvmd_req.resp_addr_hi =
4328		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4329		nvmd_req.resp_addr_lo =
4330		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4331		break;
4332	default:
4333		break;
4334	}
4335	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
 
 
 
 
 
 
4336	return rc;
4337}
4338
4339/**
4340 * pm8001_chip_fw_flash_update_build - support the firmware update operation
4341 * @pm8001_ha: our hba card information.
4342 * @fw_flash_updata_info: firmware flash update param
 
4343 */
4344static int
4345pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4346	void *fw_flash_updata_info, u32 tag)
4347{
4348	struct fw_flash_Update_req payload;
4349	struct fw_flash_updata_info *info;
4350	struct inbound_queue_table *circularQ;
4351	int ret;
4352	u32 opc = OPC_INB_FW_FLASH_UPDATE;
4353
4354	memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4355	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4356	info = fw_flash_updata_info;
4357	payload.tag = cpu_to_le32(tag);
4358	payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4359	payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4360	payload.total_image_len = cpu_to_le32(info->total_image_len);
4361	payload.len = info->sgl.im_len.len ;
4362	payload.sgl_addr_lo = lower_32_bits(info->sgl.addr);
4363	payload.sgl_addr_hi = upper_32_bits(info->sgl.addr);
4364	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4365	return ret;
 
 
 
4366}
4367
4368static int
4369pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4370	void *payload)
4371{
4372	struct fw_flash_updata_info flash_update_info;
4373	struct fw_control_info *fw_control;
4374	struct fw_control_ex *fw_control_context;
4375	int rc;
4376	u32 tag;
4377	struct pm8001_ccb_info *ccb;
4378	void *buffer = NULL;
4379	dma_addr_t phys_addr;
4380	u32 phys_addr_hi;
4381	u32 phys_addr_lo;
4382	struct pm8001_ioctl_payload *ioctl_payload = payload;
4383
4384	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4385	if (!fw_control_context)
4386		return -ENOMEM;
4387	fw_control = (struct fw_control_info *)&ioctl_payload->func_specific[0];
4388	if (fw_control->len != 0) {
4389		if (pm8001_mem_alloc(pm8001_ha->pdev,
4390			(void **)&buffer,
4391			&phys_addr,
4392			&phys_addr_hi,
4393			&phys_addr_lo,
4394			fw_control->len, 0) != 0) {
4395				PM8001_FAIL_DBG(pm8001_ha,
4396					pm8001_printk("Mem alloc failure\n"));
4397				kfree(fw_control_context);
4398				return -ENOMEM;
4399		}
4400	}
4401	memcpy(buffer, fw_control->buffer, fw_control->len);
4402	flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4403	flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4404	flash_update_info.sgl.im_len.e = 0;
4405	flash_update_info.cur_image_offset = fw_control->offset;
4406	flash_update_info.cur_image_len = fw_control->len;
4407	flash_update_info.total_image_len = fw_control->size;
4408	fw_control_context->fw_control = fw_control;
4409	fw_control_context->virtAddr = buffer;
 
4410	fw_control_context->len = fw_control->len;
4411	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4412	if (rc) {
 
4413		kfree(fw_control_context);
4414		return rc;
4415	}
4416	ccb = &pm8001_ha->ccb_info[tag];
4417	ccb->fw_control_context = fw_control_context;
4418	ccb->ccb_tag = tag;
4419	rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4420		tag);
 
 
 
 
 
4421	return rc;
4422}
4423
4424static int
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4425pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4426	struct pm8001_device *pm8001_dev, u32 state)
4427{
4428	struct set_dev_state_req payload;
4429	struct inbound_queue_table *circularQ;
4430	struct pm8001_ccb_info *ccb;
4431	int rc;
4432	u32 tag;
4433	u32 opc = OPC_INB_SET_DEVICE_STATE;
 
4434	memset(&payload, 0, sizeof(payload));
4435	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4436	if (rc)
4437		return -1;
4438	ccb = &pm8001_ha->ccb_info[tag];
4439	ccb->ccb_tag = tag;
4440	ccb->device = pm8001_dev;
4441	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4442	payload.tag = cpu_to_le32(tag);
4443	payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4444	payload.nds = cpu_to_le32(state);
4445	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4446	return rc;
4447
 
 
 
 
 
 
4448}
4449
4450static int
4451pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4452{
4453	struct sas_re_initialization_req payload;
4454	struct inbound_queue_table *circularQ;
4455	struct pm8001_ccb_info *ccb;
4456	int rc;
4457	u32 tag;
4458	u32 opc = OPC_INB_SAS_RE_INITIALIZE;
 
4459	memset(&payload, 0, sizeof(payload));
4460	rc = pm8001_tag_alloc(pm8001_ha, &tag);
4461	if (rc)
4462		return -1;
4463	ccb = &pm8001_ha->ccb_info[tag];
4464	ccb->ccb_tag = tag;
4465	circularQ = &pm8001_ha->inbnd_q_tbl[0];
4466	payload.tag = cpu_to_le32(tag);
4467	payload.SSAHOLT = cpu_to_le32(0xd << 25);
4468	payload.sata_hol_tmo = cpu_to_le32(80);
4469	payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
4470	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4471	return rc;
4472
 
 
 
 
 
 
4473}
4474
4475const struct pm8001_dispatch pm8001_8001_dispatch = {
4476	.name			= "pmc8001",
4477	.chip_init		= pm8001_chip_init,
 
4478	.chip_soft_rst		= pm8001_chip_soft_rst,
4479	.chip_rst		= pm8001_hw_chip_rst,
4480	.chip_iounmap		= pm8001_chip_iounmap,
4481	.isr			= pm8001_chip_isr,
4482	.is_our_interupt	= pm8001_chip_is_our_interupt,
4483	.isr_process_oq		= process_oq,
4484	.interrupt_enable 	= pm8001_chip_interrupt_enable,
4485	.interrupt_disable	= pm8001_chip_interrupt_disable,
4486	.make_prd		= pm8001_chip_make_sg,
4487	.smp_req		= pm8001_chip_smp_req,
4488	.ssp_io_req		= pm8001_chip_ssp_io_req,
4489	.sata_req		= pm8001_chip_sata_req,
4490	.phy_start_req		= pm8001_chip_phy_start_req,
4491	.phy_stop_req		= pm8001_chip_phy_stop_req,
4492	.reg_dev_req		= pm8001_chip_reg_dev_req,
4493	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4494	.phy_ctl_req		= pm8001_chip_phy_ctl_req,
4495	.task_abort		= pm8001_chip_abort_task,
4496	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4497	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4498	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4499	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4500	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4501	.sas_re_init_req	= pm8001_chip_sas_re_initialization,
 
4502};
4503
v6.13.7
   1/*
   2 * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
   3 *
   4 * Copyright (c) 2008-2009 USI Co., Ltd.
   5 * All rights reserved.
   6 *
   7 * Redistribution and use in source and binary forms, with or without
   8 * modification, are permitted provided that the following conditions
   9 * are met:
  10 * 1. Redistributions of source code must retain the above copyright
  11 *    notice, this list of conditions, and the following disclaimer,
  12 *    without modification.
  13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  14 *    substantially similar to the "NO WARRANTY" disclaimer below
  15 *    ("Disclaimer") and any redistribution must be conditioned upon
  16 *    including a substantially similar Disclaimer requirement for further
  17 *    binary redistribution.
  18 * 3. Neither the names of the above-listed copyright holders nor the names
  19 *    of any contributors may be used to endorse or promote products derived
  20 *    from this software without specific prior written permission.
  21 *
  22 * Alternatively, this software may be distributed under the terms of the
  23 * GNU General Public License ("GPL") version 2 as published by the Free
  24 * Software Foundation.
  25 *
  26 * NO WARRANTY
  27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37 * POSSIBILITY OF SUCH DAMAGES.
  38 *
  39 */
  40 #include <linux/slab.h>
  41 #include "pm8001_sas.h"
  42 #include "pm8001_hwi.h"
  43 #include "pm8001_chips.h"
  44 #include "pm8001_ctl.h"
  45 #include "pm80xx_tracepoints.h"
  46
  47/**
  48 * read_main_config_table - read the configure table and save it.
  49 * @pm8001_ha: our hba card information
  50 */
  51static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
  52{
  53	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
  54	pm8001_ha->main_cfg_tbl.pm8001_tbl.signature	=
  55				pm8001_mr32(address, 0x00);
  56	pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
  57				pm8001_mr32(address, 0x04);
  58	pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev	=
  59				pm8001_mr32(address, 0x08);
  60	pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io	=
  61				pm8001_mr32(address, 0x0C);
  62	pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl	=
  63				pm8001_mr32(address, 0x10);
  64	pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
  65				pm8001_mr32(address, 0x14);
  66	pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset	=
  67				pm8001_mr32(address, 0x18);
  68	pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
  69		pm8001_mr32(address, MAIN_IBQ_OFFSET);
  70	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
  71		pm8001_mr32(address, MAIN_OBQ_OFFSET);
  72	pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag	=
  73		pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
  74
  75	/* read analog Setting offset from the configuration table */
  76	pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
  77		pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
  78
  79	/* read Error Dump Offset and Length */
  80	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
  81		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
  82	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
  83		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
  84	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
  85		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
  86	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
  87		pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
  88}
  89
  90/**
  91 * read_general_status_table - read the general status table and save it.
  92 * @pm8001_ha: our hba card information
  93 */
  94static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
 
  95{
  96	void __iomem *address = pm8001_ha->general_stat_tbl_addr;
  97	pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate	=
  98				pm8001_mr32(address, 0x00);
  99	pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0	=
 100				pm8001_mr32(address, 0x04);
 101	pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1	=
 102				pm8001_mr32(address, 0x08);
 103	pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt		=
 104				pm8001_mr32(address, 0x0C);
 105	pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt		=
 106				pm8001_mr32(address, 0x10);
 107	pm8001_ha->gs_tbl.pm8001_tbl.rsvd		=
 108				pm8001_mr32(address, 0x14);
 109	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0]	=
 110				pm8001_mr32(address, 0x18);
 111	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1]	=
 112				pm8001_mr32(address, 0x1C);
 113	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2]	=
 114				pm8001_mr32(address, 0x20);
 115	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3]	=
 116				pm8001_mr32(address, 0x24);
 117	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4]	=
 118				pm8001_mr32(address, 0x28);
 119	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5]	=
 120				pm8001_mr32(address, 0x2C);
 121	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6]	=
 122				pm8001_mr32(address, 0x30);
 123	pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7]	=
 124				pm8001_mr32(address, 0x34);
 125	pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val	=
 126				pm8001_mr32(address, 0x38);
 127	pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0]		=
 128				pm8001_mr32(address, 0x3C);
 129	pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1]		=
 130				pm8001_mr32(address, 0x40);
 131	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0]	=
 132				pm8001_mr32(address, 0x44);
 133	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1]	=
 134				pm8001_mr32(address, 0x48);
 135	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2]	=
 136				pm8001_mr32(address, 0x4C);
 137	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3]	=
 138				pm8001_mr32(address, 0x50);
 139	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4]	=
 140				pm8001_mr32(address, 0x54);
 141	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5]	=
 142				pm8001_mr32(address, 0x58);
 143	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6]	=
 144				pm8001_mr32(address, 0x5C);
 145	pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7]	=
 146				pm8001_mr32(address, 0x60);
 147}
 148
 149/**
 150 * read_inbnd_queue_table - read the inbound queue table and save it.
 151 * @pm8001_ha: our hba card information
 152 */
 153static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 
 154{
 
 155	int i;
 156	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 157	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
 158		u32 offset = i * 0x20;
 159		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
 160		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 161		pm8001_ha->inbnd_q_tbl[i].pi_offset =
 162			pm8001_mr32(address, (offset + 0x18));
 163	}
 164}
 165
 166/**
 167 * read_outbnd_queue_table - read the outbound queue table and save it.
 168 * @pm8001_ha: our hba card information
 169 */
 170static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 
 171{
 
 172	int i;
 173	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 174	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
 175		u32 offset = i * 0x24;
 176		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
 177		      get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 178		pm8001_ha->outbnd_q_tbl[i].ci_offset =
 179			pm8001_mr32(address, (offset + 0x18));
 180	}
 181}
 182
 183/**
 184 * init_default_table_values - init the default table.
 185 * @pm8001_ha: our hba card information
 186 */
 187static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
 
 188{
 
 189	int i;
 190	u32 offsetib, offsetob;
 191	void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
 192	void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
 193	u32 ib_offset = pm8001_ha->ib_offset;
 194	u32 ob_offset = pm8001_ha->ob_offset;
 195	u32 ci_offset = pm8001_ha->ci_offset;
 196	u32 pi_offset = pm8001_ha->pi_offset;
 197
 198	pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd		= 0;
 199	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3	= 0;
 200	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7	= 0;
 201	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3	= 0;
 202	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7	= 0;
 203	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
 204									 0;
 205	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
 206									 0;
 207	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
 208	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
 209	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
 210	pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
 211
 212	pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr		=
 
 
 
 
 
 
 
 
 
 
 
 
 213		pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
 214	pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr		=
 215		pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
 216	pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size		=
 217		PM8001_EVENT_LOG_SIZE;
 218	pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option		= 0x01;
 219	pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr	=
 220		pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
 221	pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr	=
 222		pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
 223	pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size		=
 224		PM8001_EVENT_LOG_SIZE;
 225	pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option		= 0x01;
 226	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt		= 0x01;
 227	for (i = 0; i < pm8001_ha->max_q_num; i++) {
 228		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
 229			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
 230		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
 231			pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
 232		pm8001_ha->inbnd_q_tbl[i].lower_base_addr	=
 233		pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
 234		pm8001_ha->inbnd_q_tbl[i].base_virt		=
 235		  (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
 236		pm8001_ha->inbnd_q_tbl[i].total_length		=
 237			pm8001_ha->memoryMap.region[ib_offset + i].total_len;
 238		pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr	=
 239			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
 240		pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr	=
 241			pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
 242		pm8001_ha->inbnd_q_tbl[i].ci_virt		=
 243			pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
 244		pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
 245		offsetib = i * 0x20;
 246		pm8001_ha->inbnd_q_tbl[i].pi_pci_bar		=
 247			get_pci_bar_index(pm8001_mr32(addressib,
 248				(offsetib + 0x14)));
 249		pm8001_ha->inbnd_q_tbl[i].pi_offset		=
 250			pm8001_mr32(addressib, (offsetib + 0x18));
 251		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
 252		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
 253	}
 254	for (i = 0; i < pm8001_ha->max_q_num; i++) {
 255		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
 256			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
 257		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
 258			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
 259		pm8001_ha->outbnd_q_tbl[i].lower_base_addr	=
 260			pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
 261		pm8001_ha->outbnd_q_tbl[i].base_virt		=
 262		  (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
 263		pm8001_ha->outbnd_q_tbl[i].total_length		=
 264			pm8001_ha->memoryMap.region[ob_offset + i].total_len;
 265		pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr	=
 266			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
 267		pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr	=
 268			pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
 269		pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay	=
 270			0 | (10 << 16) | (i << 24);
 271		pm8001_ha->outbnd_q_tbl[i].pi_virt		=
 272			pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
 273		pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
 274		offsetob = i * 0x24;
 275		pm8001_ha->outbnd_q_tbl[i].ci_pci_bar		=
 276			get_pci_bar_index(pm8001_mr32(addressob,
 277			offsetob + 0x14));
 278		pm8001_ha->outbnd_q_tbl[i].ci_offset		=
 279			pm8001_mr32(addressob, (offsetob + 0x18));
 280		pm8001_ha->outbnd_q_tbl[i].consumer_idx		= 0;
 281		pm8001_ha->outbnd_q_tbl[i].producer_index	= 0;
 282	}
 283}
 284
 285/**
 286 * update_main_config_table - update the main default table to the HBA.
 287 * @pm8001_ha: our hba card information
 288 */
 289static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
 
 290{
 291	void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
 292	pm8001_mw32(address, 0x24,
 293		pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
 294	pm8001_mw32(address, 0x28,
 295		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
 296	pm8001_mw32(address, 0x2C,
 297		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
 298	pm8001_mw32(address, 0x30,
 299		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
 300	pm8001_mw32(address, 0x34,
 301		pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
 302	pm8001_mw32(address, 0x38,
 303		pm8001_ha->main_cfg_tbl.pm8001_tbl.
 304					outbound_tgt_ITNexus_event_pid0_3);
 305	pm8001_mw32(address, 0x3C,
 306		pm8001_ha->main_cfg_tbl.pm8001_tbl.
 307					outbound_tgt_ITNexus_event_pid4_7);
 308	pm8001_mw32(address, 0x40,
 309		pm8001_ha->main_cfg_tbl.pm8001_tbl.
 310					outbound_tgt_ssp_event_pid0_3);
 311	pm8001_mw32(address, 0x44,
 312		pm8001_ha->main_cfg_tbl.pm8001_tbl.
 313					outbound_tgt_ssp_event_pid4_7);
 314	pm8001_mw32(address, 0x48,
 315		pm8001_ha->main_cfg_tbl.pm8001_tbl.
 316					outbound_tgt_smp_event_pid0_3);
 317	pm8001_mw32(address, 0x4C,
 318		pm8001_ha->main_cfg_tbl.pm8001_tbl.
 319					outbound_tgt_smp_event_pid4_7);
 320	pm8001_mw32(address, 0x50,
 321		pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
 322	pm8001_mw32(address, 0x54,
 323		pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
 324	pm8001_mw32(address, 0x58,
 325		pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
 326	pm8001_mw32(address, 0x5C,
 327		pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
 328	pm8001_mw32(address, 0x60,
 329		pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
 330	pm8001_mw32(address, 0x64,
 331		pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
 332	pm8001_mw32(address, 0x68,
 333		pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
 334	pm8001_mw32(address, 0x6C,
 335		pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
 336	pm8001_mw32(address, 0x70,
 337		pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
 338}
 339
 340/**
 341 * update_inbnd_queue_table - update the inbound queue table to the HBA.
 342 * @pm8001_ha: our hba card information
 343 * @number: entry in the queue
 344 */
 345static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 346				     int number)
 347{
 348	void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 349	u16 offset = number * 0x20;
 350	pm8001_mw32(address, offset + 0x00,
 351		pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
 352	pm8001_mw32(address, offset + 0x04,
 353		pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
 354	pm8001_mw32(address, offset + 0x08,
 355		pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
 356	pm8001_mw32(address, offset + 0x0C,
 357		pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
 358	pm8001_mw32(address, offset + 0x10,
 359		pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
 360}
 361
 362/**
 363 * update_outbnd_queue_table - update the outbound queue table to the HBA.
 364 * @pm8001_ha: our hba card information
 365 * @number: entry in the queue
 366 */
 367static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 368				      int number)
 369{
 370	void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 371	u16 offset = number * 0x24;
 372	pm8001_mw32(address, offset + 0x00,
 373		pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
 374	pm8001_mw32(address, offset + 0x04,
 375		pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
 376	pm8001_mw32(address, offset + 0x08,
 377		pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
 378	pm8001_mw32(address, offset + 0x0C,
 379		pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
 380	pm8001_mw32(address, offset + 0x10,
 381		pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
 382	pm8001_mw32(address, offset + 0x1C,
 383		pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
 384}
 385
 386/**
 387 * pm8001_bar4_shift - function is called to shift BAR base address
 388 * @pm8001_ha : our hba card information
 389 * @shiftValue : shifting value in memory bar.
 390 */
 391int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
 392{
 393	u32 regVal;
 394	unsigned long start;
 395
 396	/* program the inbound AXI translation Lower Address */
 397	pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
 398
 399	/* confirm the setting is written */
 400	start = jiffies + HZ; /* 1 sec */
 401	do {
 
 402		regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
 403	} while ((regVal != shiftValue) && time_before(jiffies, start));
 404
 405	if (regVal != shiftValue) {
 406		pm8001_dbg(pm8001_ha, INIT,
 407			   "TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW = 0x%x\n",
 408			   regVal);
 409		return -1;
 410	}
 411	return 0;
 412}
 413
 414/**
 415 * mpi_set_phys_g3_with_ssc
 416 * @pm8001_ha: our hba card information
 417 * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
 418 */
 419static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
 420				     u32 SSCbit)
 421{
 422	u32 offset, i;
 423	unsigned long flags;
 424
 425#define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
 426#define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
 427#define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
 428#define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
 429#define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
 430#define PHY_G3_WITH_SSC_BIT_SHIFT 13
 431#define SNW3_PHY_CAPABILITIES_PARITY 31
 432
 433   /*
 434    * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
 435    * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
 436    */
 437	spin_lock_irqsave(&pm8001_ha->lock, flags);
 438	if (-1 == pm8001_bar4_shift(pm8001_ha,
 439				SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
 440		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 441		return;
 442	}
 443
 444	for (i = 0; i < 4; i++) {
 445		offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
 446		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 447	}
 448	/* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
 449	if (-1 == pm8001_bar4_shift(pm8001_ha,
 450				SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
 451		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 452		return;
 453	}
 454	for (i = 4; i < 8; i++) {
 455		offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 456		pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 457	}
 458	/*************************************************************
 459	Change the SSC upspreading value to 0x0 so that upspreading is disabled.
 460	Device MABC SMOD0 Controls
 461	Address: (via MEMBASE-III):
 462	Using shifted destination address 0x0_0000: with Offset 0xD8
 463
 464	31:28 R/W Reserved Do not change
 465	27:24 R/W SAS_SMOD_SPRDUP 0000
 466	23:20 R/W SAS_SMOD_SPRDDN 0000
 467	19:0  R/W  Reserved Do not change
 468	Upon power-up this register will read as 0x8990c016,
 469	and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
 470	so that the written value will be 0x8090c016.
 471	This will ensure only down-spreading SSC is enabled on the SPC.
 472	*************************************************************/
 473	pm8001_cr32(pm8001_ha, 2, 0xd8);
 474	pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
 475
 476	/*set the shifted destination address to 0x0 to avoid error operation */
 477	pm8001_bar4_shift(pm8001_ha, 0x0);
 478	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 479	return;
 480}
 481
 482/**
 483 * mpi_set_open_retry_interval_reg
 484 * @pm8001_ha: our hba card information
 485 * @interval: interval time for each OPEN_REJECT (RETRY). The units are in 1us.
 486 */
 487static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
 488					    u32 interval)
 
 489{
 490	u32 offset;
 491	u32 value;
 492	u32 i;
 493	unsigned long flags;
 494
 495#define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
 496#define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
 497#define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
 498#define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
 499#define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
 500
 501	value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
 502	spin_lock_irqsave(&pm8001_ha->lock, flags);
 503	/* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
 504	if (-1 == pm8001_bar4_shift(pm8001_ha,
 505			     OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
 506		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 507		return;
 508	}
 509	for (i = 0; i < 4; i++) {
 510		offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
 511		pm8001_cw32(pm8001_ha, 2, offset, value);
 512	}
 513
 514	if (-1 == pm8001_bar4_shift(pm8001_ha,
 515			     OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
 516		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 517		return;
 518	}
 519	for (i = 4; i < 8; i++) {
 520		offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 521		pm8001_cw32(pm8001_ha, 2, offset, value);
 522	}
 523	/*set the shifted destination address to 0x0 to avoid error operation */
 524	pm8001_bar4_shift(pm8001_ha, 0x0);
 525	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 526	return;
 527}
 528
 529/**
 530 * mpi_init_check - check firmware initialization status.
 531 * @pm8001_ha: our hba card information
 532 */
 533static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
 534{
 535	u32 max_wait_count;
 536	u32 value;
 537	u32 gst_len_mpistate;
 538	/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
 539	table is updated */
 540	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
 541	/* wait until Inbound DoorBell Clear Register toggled */
 542	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 543	do {
 544		udelay(1);
 545		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 546		value &= SPC_MSGU_CFG_TABLE_UPDATE;
 547	} while ((value != 0) && (--max_wait_count));
 548
 549	if (!max_wait_count)
 550		return -1;
 551	/* check the MPI-State for initialization */
 552	gst_len_mpistate =
 553		pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 554		GST_GSTLEN_MPIS_OFFSET);
 555	if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
 556		return -1;
 557	/* check MPI Initialization error */
 558	gst_len_mpistate = gst_len_mpistate >> 16;
 559	if (0x0000 != gst_len_mpistate)
 560		return -1;
 561	return 0;
 562}
 563
 564/**
 565 * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
 566 * @pm8001_ha: our hba card information
 567 */
 568static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
 569{
 570	u32 value, value1;
 571	u32 max_wait_count;
 572	/* check error state */
 573	value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 574	value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 575	/* check AAP error */
 576	if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
 577		/* error state */
 578		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 579		return -1;
 580	}
 581
 582	/* check IOP error */
 583	if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
 584		/* error state */
 585		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
 586		return -1;
 587	}
 588
 589	/* bit 4-31 of scratch pad1 should be zeros if it is not
 590	in error state*/
 591	if (value & SCRATCH_PAD1_STATE_MASK) {
 592		/* error case */
 593		pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 594		return -1;
 595	}
 596
 597	/* bit 2, 4-31 of scratch pad2 should be zeros if it is not
 598	in error state */
 599	if (value1 & SCRATCH_PAD2_STATE_MASK) {
 600		/* error case */
 601		return -1;
 602	}
 603
 604	max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
 605
 606	/* wait until scratch pad 1 and 2 registers in ready state  */
 607	do {
 608		udelay(1);
 609		value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 610			& SCRATCH_PAD1_RDY;
 611		value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 612			& SCRATCH_PAD2_RDY;
 613		if ((--max_wait_count) == 0)
 614			return -1;
 615	} while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
 616	return 0;
 617}
 618
 619static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 620{
 621	void __iomem *base_addr;
 622	u32	value;
 623	u32	offset;
 624	u32	pcibar;
 625	u32	pcilogic;
 626
 627	value = pm8001_cr32(pm8001_ha, 0, 0x44);
 628	offset = value & 0x03FFFFFF;
 629	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 Offset: %x\n", offset);
 
 630	pcilogic = (value & 0xFC000000) >> 26;
 631	pcibar = get_pci_bar_index(pcilogic);
 632	pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
 
 633	pm8001_ha->main_cfg_tbl_addr = base_addr =
 634		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 635	pm8001_ha->general_stat_tbl_addr =
 636		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
 637	pm8001_ha->inbnd_q_tbl_addr =
 638		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
 639	pm8001_ha->outbnd_q_tbl_addr =
 640		base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
 641}
 642
 643/**
 644 * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
 645 * @pm8001_ha: our hba card information
 646 */
 647static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
 648{
 649	u32 i = 0;
 650	u16 deviceid;
 651	pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 652	/* 8081 controllers need BAR shift to access MPI space
 653	* as this is shared with BIOS data */
 654	if (deviceid == 0x8081 || deviceid == 0x0042) {
 655		if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
 656			pm8001_dbg(pm8001_ha, FAIL,
 657				   "Shift Bar4 to 0x%x failed\n",
 658				   GSM_SM_BASE);
 659			return -1;
 660		}
 661	}
 662	/* check the firmware status */
 663	if (-1 == check_fw_ready(pm8001_ha)) {
 664		pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
 
 665		return -EBUSY;
 666	}
 667
 668	/* Initialize pci space address eg: mpi offset */
 669	init_pci_device_addresses(pm8001_ha);
 670	init_default_table_values(pm8001_ha);
 671	read_main_config_table(pm8001_ha);
 672	read_general_status_table(pm8001_ha);
 673	read_inbnd_queue_table(pm8001_ha);
 674	read_outbnd_queue_table(pm8001_ha);
 675	/* update main config table ,inbound table and outbound table */
 676	update_main_config_table(pm8001_ha);
 677	for (i = 0; i < pm8001_ha->max_q_num; i++)
 678		update_inbnd_queue_table(pm8001_ha, i);
 679	for (i = 0; i < pm8001_ha->max_q_num; i++)
 680		update_outbnd_queue_table(pm8001_ha, i);
 681	/* 8081 controller donot require these operations */
 682	if (deviceid != 0x8081 && deviceid != 0x0042) {
 683		mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
 684		/* 7->130ms, 34->500ms, 119->1.5s */
 685		mpi_set_open_retry_interval_reg(pm8001_ha, 119);
 686	}
 687	/* notify firmware update finished and check initialization status */
 688	if (0 == mpi_init_check(pm8001_ha)) {
 689		pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
 
 690	} else
 691		return -EBUSY;
 692	/*This register is a 16-bit timer with a resolution of 1us. This is the
 693	timer used for interrupt delay/coalescing in the PCIe Application Layer.
 694	Zero is not a valid value. A value of 1 in the register will cause the
 695	interrupts to be normal. A value greater than 1 will cause coalescing
 696	delays.*/
 697	pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
 698	pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
 699	return 0;
 700}
 701
 702static void pm8001_chip_post_init(struct pm8001_hba_info *pm8001_ha)
 703{
 704}
 705
 706static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
 707{
 708	u32 max_wait_count;
 709	u32 value;
 710	u32 gst_len_mpistate;
 711	u16 deviceid;
 712	pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 713	if (deviceid == 0x8081 || deviceid == 0x0042) {
 714		if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
 715			pm8001_dbg(pm8001_ha, FAIL,
 716				   "Shift Bar4 to 0x%x failed\n",
 717				   GSM_SM_BASE);
 718			return -1;
 719		}
 720	}
 721	init_pci_device_addresses(pm8001_ha);
 722	/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
 723	table is stop */
 724	pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
 725
 726	/* wait until Inbound DoorBell Clear Register toggled */
 727	max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 728	do {
 729		udelay(1);
 730		value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 731		value &= SPC_MSGU_CFG_TABLE_RESET;
 732	} while ((value != 0) && (--max_wait_count));
 733
 734	if (!max_wait_count) {
 735		pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=0x%x\n",
 736			   value);
 737		return -1;
 738	}
 739
 740	/* check the MPI-State for termination in progress */
 741	/* wait until Inbound DoorBell Clear Register toggled */
 742	max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
 743	do {
 744		udelay(1);
 745		gst_len_mpistate =
 746			pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 747			GST_GSTLEN_MPIS_OFFSET);
 748		if (GST_MPI_STATE_UNINIT ==
 749			(gst_len_mpistate & GST_MPI_STATE_MASK))
 750			break;
 751	} while (--max_wait_count);
 752	if (!max_wait_count) {
 753		pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
 754			   gst_len_mpistate & GST_MPI_STATE_MASK);
 
 755		return -1;
 756	}
 757	return 0;
 758}
 759
 760/**
 761 * soft_reset_ready_check - Function to check FW is ready for soft reset.
 762 * @pm8001_ha: our hba card information
 763 */
 764static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
 765{
 766	u32 regVal, regVal1, regVal2;
 767	if (mpi_uninit_check(pm8001_ha) != 0) {
 768		pm8001_dbg(pm8001_ha, FAIL, "MPI state is not ready\n");
 
 769		return -1;
 770	}
 771	/* read the scratch pad 2 register bit 2 */
 772	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 773		& SCRATCH_PAD2_FWRDY_RST;
 774	if (regVal == SCRATCH_PAD2_FWRDY_RST) {
 775		pm8001_dbg(pm8001_ha, INIT, "Firmware is ready for reset.\n");
 
 776	} else {
 777		unsigned long flags;
 778		/* Trigger NMI twice via RB6 */
 779		spin_lock_irqsave(&pm8001_ha->lock, flags);
 780		if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
 781			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 782			pm8001_dbg(pm8001_ha, FAIL,
 783				   "Shift Bar4 to 0x%x failed\n",
 784				   RB6_ACCESS_REG);
 785			return -1;
 786		}
 787		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
 788			RB6_MAGIC_NUMBER_RST);
 789		pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
 790		/* wait for 100 ms */
 791		mdelay(100);
 792		regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
 793			SCRATCH_PAD2_FWRDY_RST;
 794		if (regVal != SCRATCH_PAD2_FWRDY_RST) {
 795			regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 796			regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 797			pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MSGU_SCRATCH_PAD1=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
 798				   regVal1, regVal2);
 799			pm8001_dbg(pm8001_ha, FAIL,
 800				   "SCRATCH_PAD0 value = 0x%x\n",
 801				   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
 802			pm8001_dbg(pm8001_ha, FAIL,
 803				   "SCRATCH_PAD3 value = 0x%x\n",
 804				   pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
 805			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 
 806			return -1;
 807		}
 808		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 809	}
 810	return 0;
 811}
 812
 813/**
 814 * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
 815 * the FW register status to the originated status.
 816 * @pm8001_ha: our hba card information
 
 817 */
 818static int
 819pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
 820{
 821	u32	regVal, toggleVal;
 822	u32	max_wait_count;
 823	u32	regVal1, regVal2, regVal3;
 824	u32	signature = 0x252acbcd; /* for host scratch pad0 */
 825	unsigned long flags;
 826
 827	/* step1: Check FW is ready for soft reset */
 828	if (soft_reset_ready_check(pm8001_ha) != 0) {
 829		pm8001_dbg(pm8001_ha, FAIL, "FW is not ready\n");
 830		return -1;
 831	}
 832
 833	/* step 2: clear NMI status register on AAP1 and IOP, write the same
 834	value to clear */
 835	/* map 0x60000 to BAR4(0x20), BAR2(win) */
 836	spin_lock_irqsave(&pm8001_ha->lock, flags);
 837	if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
 838		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 839		pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 840			   MBIC_AAP1_ADDR_BASE);
 841		return -1;
 842	}
 843	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
 844	pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (IOP)= 0x%x\n",
 845		   regVal);
 846	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
 847	/* map 0x70000 to BAR4(0x20), BAR2(win) */
 848	if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
 849		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 850		pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 851			   MBIC_IOP_ADDR_BASE);
 852		return -1;
 853	}
 854	regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
 855	pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n",
 856		   regVal);
 857	pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
 858
 859	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
 860	pm8001_dbg(pm8001_ha, INIT, "PCIE -Event Interrupt Enable = 0x%x\n",
 861		   regVal);
 862	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
 863
 864	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
 865	pm8001_dbg(pm8001_ha, INIT, "PCIE - Event Interrupt  = 0x%x\n",
 866		   regVal);
 867	pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
 868
 869	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
 870	pm8001_dbg(pm8001_ha, INIT, "PCIE -Error Interrupt Enable = 0x%x\n",
 871		   regVal);
 872	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
 873
 874	regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
 875	pm8001_dbg(pm8001_ha, INIT, "PCIE - Error Interrupt = 0x%x\n", regVal);
 
 876	pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
 877
 878	/* read the scratch pad 1 register bit 2 */
 879	regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 880		& SCRATCH_PAD1_RST;
 881	toggleVal = regVal ^ SCRATCH_PAD1_RST;
 882
 883	/* set signature in host scratch pad0 register to tell SPC that the
 884	host performs the soft reset */
 885	pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
 886
 887	/* read required registers for confirmming */
 888	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
 889	if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 890		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 891		pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 892			   GSM_ADDR_BASE);
 893		return -1;
 894	}
 895	pm8001_dbg(pm8001_ha, INIT,
 896		   "GSM 0x0(0x00007b88)-GSM Configuration and Reset = 0x%x\n",
 897		   pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 
 898
 899	/* step 3: host read GSM Configuration and Reset register */
 900	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 901	/* Put those bits to low */
 902	/* GSM XCBI offset = 0x70 0000
 903	0x00 Bit 13 COM_SLV_SW_RSTB 1
 904	0x00 Bit 12 QSSP_SW_RSTB 1
 905	0x00 Bit 11 RAAE_SW_RSTB 1
 906	0x00 Bit 9 RB_1_SW_RSTB 1
 907	0x00 Bit 8 SM_SW_RSTB 1
 908	*/
 909	regVal &= ~(0x00003b00);
 910	/* host write GSM Configuration and Reset register */
 911	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 912	pm8001_dbg(pm8001_ha, INIT,
 913		   "GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM Configuration and Reset is set to = 0x%x\n",
 914		   pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 
 915
 916	/* step 4: */
 917	/* disable GSM - Read Address Parity Check */
 918	regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 919	pm8001_dbg(pm8001_ha, INIT,
 920		   "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
 921		   regVal1);
 922	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
 923	pm8001_dbg(pm8001_ha, INIT,
 924		   "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
 925		   pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
 
 926
 927	/* disable GSM - Write Address Parity Check */
 928	regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 929	pm8001_dbg(pm8001_ha, INIT,
 930		   "GSM 0x700040 - Write Address Parity Check Enable = 0x%x\n",
 931		   regVal2);
 932	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
 933	pm8001_dbg(pm8001_ha, INIT,
 934		   "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
 935		   pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
 
 936
 937	/* disable GSM - Write Data Parity Check */
 938	regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 939	pm8001_dbg(pm8001_ha, INIT, "GSM 0x300048 - Write Data Parity Check Enable = 0x%x\n",
 940		   regVal3);
 
 941	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
 942	pm8001_dbg(pm8001_ha, INIT,
 943		   "GSM 0x300048 - Write Data Parity Check Enable is set to = 0x%x\n",
 944		   pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
 
 945
 946	/* step 5: delay 10 usec */
 947	udelay(10);
 948	/* step 5-b: set GPIO-0 output control to tristate anyway */
 949	if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
 950		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 951		pm8001_dbg(pm8001_ha, INIT, "Shift Bar4 to 0x%x failed\n",
 952			   GPIO_ADDR_BASE);
 953		return -1;
 954	}
 955	regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
 956	pm8001_dbg(pm8001_ha, INIT, "GPIO Output Control Register: = 0x%x\n",
 957		   regVal);
 
 958	/* set GPIO-0 output control to tri-state */
 959	regVal &= 0xFFFFFFFC;
 960	pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
 961
 962	/* Step 6: Reset the IOP and AAP1 */
 963	/* map 0x00000 to BAR4(0x20), BAR2(win) */
 964	if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
 965		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 966		pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
 967			   SPC_TOP_LEVEL_ADDR_BASE);
 968		return -1;
 969	}
 970	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 971	pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting IOP/AAP1:= 0x%x\n",
 972		   regVal);
 
 973	regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
 974	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 975
 976	/* step 7: Reset the BDMA/OSSP */
 977	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 978	pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting BDMA/OSSP: = 0x%x\n",
 979		   regVal);
 
 980	regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 981	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 982
 983	/* step 8: delay 10 usec */
 984	udelay(10);
 985
 986	/* step 9: bring the BDMA and OSSP out of reset */
 987	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 988	pm8001_dbg(pm8001_ha, INIT,
 989		   "Top Register before bringing up BDMA/OSSP:= 0x%x\n",
 990		   regVal);
 991	regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 992	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 993
 994	/* step 10: delay 10 usec */
 995	udelay(10);
 996
 997	/* step 11: reads and sets the GSM Configuration and Reset Register */
 998	/* map 0x0700000 to BAR4(0x20), BAR2(win) */
 999	if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
1000		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1001		pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
1002			   GSM_ADDR_BASE);
1003		return -1;
1004	}
1005	pm8001_dbg(pm8001_ha, INIT,
1006		   "GSM 0x0 (0x00007b88)-GSM Configuration and Reset = 0x%x\n",
1007		   pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1008	regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
1009	/* Put those bits to high */
1010	/* GSM XCBI offset = 0x70 0000
1011	0x00 Bit 13 COM_SLV_SW_RSTB 1
1012	0x00 Bit 12 QSSP_SW_RSTB 1
1013	0x00 Bit 11 RAAE_SW_RSTB 1
1014	0x00 Bit 9   RB_1_SW_RSTB 1
1015	0x00 Bit 8   SM_SW_RSTB 1
1016	*/
1017	regVal |= (GSM_CONFIG_RESET_VALUE);
1018	pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
1019	pm8001_dbg(pm8001_ha, INIT, "GSM (0x00004088 ==> 0x00007b88) - GSM Configuration and Reset is set to = 0x%x\n",
1020		   pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 
 
1021
1022	/* step 12: Restore GSM - Read Address Parity Check */
1023	regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
1024	/* just for debugging */
1025	pm8001_dbg(pm8001_ha, INIT,
1026		   "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
1027		   regVal);
1028	pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
1029	pm8001_dbg(pm8001_ha, INIT, "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
1030		   pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
 
 
1031	/* Restore GSM - Write Address Parity Check */
1032	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
1033	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
1034	pm8001_dbg(pm8001_ha, INIT,
1035		   "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
1036		   pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
 
1037	/* Restore GSM - Write Data Parity Check */
1038	regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
1039	pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
1040	pm8001_dbg(pm8001_ha, INIT,
1041		   "GSM 0x700048 - Write Data Parity Check Enable is set to = 0x%x\n",
1042		   pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
 
1043
1044	/* step 13: bring the IOP and AAP1 out of reset */
1045	/* map 0x00000 to BAR4(0x20), BAR2(win) */
1046	if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1047		spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1048		pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
1049			   SPC_TOP_LEVEL_ADDR_BASE);
1050		return -1;
1051	}
1052	regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1053	regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1054	pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1055
1056	/* step 14: delay 10 usec - Normal Mode */
1057	udelay(10);
1058	/* check Soft Reset Normal mode or Soft Reset HDA mode */
1059	if (signature == SPC_SOFT_RESET_SIGNATURE) {
1060		/* step 15 (Normal Mode): wait until scratch pad1 register
1061		bit 2 toggled */
1062		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1063		do {
1064			udelay(1);
1065			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1066				SCRATCH_PAD1_RST;
1067		} while ((regVal != toggleVal) && (--max_wait_count));
1068
1069		if (!max_wait_count) {
1070			regVal = pm8001_cr32(pm8001_ha, 0,
1071				MSGU_SCRATCH_PAD_1);
1072			pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT : ToggleVal 0x%x,MSGU_SCRATCH_PAD1 = 0x%x\n",
1073				   toggleVal, regVal);
1074			pm8001_dbg(pm8001_ha, FAIL,
1075				   "SCRATCH_PAD0 value = 0x%x\n",
1076				   pm8001_cr32(pm8001_ha, 0,
1077					       MSGU_SCRATCH_PAD_0));
1078			pm8001_dbg(pm8001_ha, FAIL,
1079				   "SCRATCH_PAD2 value = 0x%x\n",
1080				   pm8001_cr32(pm8001_ha, 0,
1081					       MSGU_SCRATCH_PAD_2));
1082			pm8001_dbg(pm8001_ha, FAIL,
1083				   "SCRATCH_PAD3 value = 0x%x\n",
1084				   pm8001_cr32(pm8001_ha, 0,
1085					       MSGU_SCRATCH_PAD_3));
1086			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 
1087			return -1;
1088		}
1089
1090		/* step 16 (Normal) - Clear ODMR and ODCR */
1091		pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1092		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1093
1094		/* step 17 (Normal Mode): wait for the FW and IOP to get
1095		ready - 1 sec timeout */
1096		/* Wait for the SPC Configuration Table to be ready */
1097		if (check_fw_ready(pm8001_ha) == -1) {
1098			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1099			/* return error if MPI Configuration Table not ready */
1100			pm8001_dbg(pm8001_ha, INIT,
1101				   "FW not ready SCRATCH_PAD1 = 0x%x\n",
1102				   regVal);
1103			regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1104			/* return error if MPI Configuration Table not ready */
1105			pm8001_dbg(pm8001_ha, INIT,
1106				   "FW not ready SCRATCH_PAD2 = 0x%x\n",
1107				   regVal);
1108			pm8001_dbg(pm8001_ha, INIT,
1109				   "SCRATCH_PAD0 value = 0x%x\n",
1110				   pm8001_cr32(pm8001_ha, 0,
1111					       MSGU_SCRATCH_PAD_0));
1112			pm8001_dbg(pm8001_ha, INIT,
1113				   "SCRATCH_PAD3 value = 0x%x\n",
1114				   pm8001_cr32(pm8001_ha, 0,
1115					       MSGU_SCRATCH_PAD_3));
1116			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1117			return -1;
1118		}
1119	}
1120	pm8001_bar4_shift(pm8001_ha, 0);
1121	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1122
1123	pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
 
1124	return 0;
1125}
1126
1127static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1128{
1129	u32 i;
1130	u32 regVal;
1131	pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
 
1132
1133	/* do SPC chip reset. */
1134	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1135	regVal &= ~(SPC_REG_RESET_DEVICE);
1136	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1137
1138	/* delay 10 usec */
1139	udelay(10);
1140
1141	/* bring chip reset out of reset */
1142	regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1143	regVal |= SPC_REG_RESET_DEVICE;
1144	pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1145
1146	/* delay 10 usec */
1147	udelay(10);
1148
1149	/* wait for 20 msec until the firmware gets reloaded */
1150	i = 20;
1151	do {
1152		mdelay(1);
1153	} while ((--i) != 0);
1154
1155	pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
 
1156}
1157
1158/**
1159 * pm8001_chip_iounmap - which mapped when initialized.
1160 * @pm8001_ha: our hba card information
1161 */
1162void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1163{
1164	s8 bar, logical = 0;
1165	for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
1166		/*
1167		** logical BARs for SPC:
1168		** bar 0 and 1 - logical BAR0
1169		** bar 2 and 3 - logical BAR1
1170		** bar4 - logical BAR2
1171		** bar5 - logical BAR3
1172		** Skip the appropriate assignments:
1173		*/
1174		if ((bar == 1) || (bar == 3))
1175			continue;
1176		if (pm8001_ha->io_mem[logical].memvirtaddr) {
1177			iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1178			logical++;
1179		}
1180	}
1181}
1182
1183/**
1184 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1185 * @pm8001_ha: our hba card information
1186 * @vec: unused
1187 */
1188static void
1189pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1190{
1191	if (pm8001_ha->use_msix) {
1192		pm8001_cw32(pm8001_ha, 0, MSIX_TABLE_BASE,
1193			    MSIX_INTERRUPT_ENABLE);
1194		pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, 1);
1195	} else {
1196		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1197		pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1198	}
1199}
1200
1201/**
1202 * pm8001_chip_interrupt_disable - disable PM8001 chip interrupt
1203 * @pm8001_ha: our hba card information
1204 * @vec: unused
1205 */
1206static void
1207pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1208{
1209	if (pm8001_ha->use_msix)
1210		pm8001_cw32(pm8001_ha, 0, MSIX_TABLE_BASE,
1211			    MSIX_INTERRUPT_DISABLE);
1212	else
1213		pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
 
1214}
1215
1216/**
1217 * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1218 * inbound queue.
1219 * @circularQ: the inbound queue  we want to transfer to HBA.
1220 * @messageSize: the message size of this transfer, normally it is 64 bytes
1221 * @messagePtr: the pointer to message.
1222 */
1223int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1224			    u16 messageSize, void **messagePtr)
1225{
1226	u32 offset, consumer_index;
1227	struct mpi_msg_hdr *msgHeader;
1228	u8 bcCount = 1; /* only support single buffer */
1229
1230	/* Checks is the requested message size can be allocated in this queue*/
1231	if (messageSize > IOMB_SIZE_SPCV) {
1232		*messagePtr = NULL;
1233		return -1;
1234	}
1235
1236	/* Stores the new consumer index */
1237	consumer_index = pm8001_read_32(circularQ->ci_virt);
1238	circularQ->consumer_index = cpu_to_le32(consumer_index);
1239	if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1240		le32_to_cpu(circularQ->consumer_index)) {
1241		*messagePtr = NULL;
1242		return -1;
1243	}
1244	/* get memory IOMB buffer address */
1245	offset = circularQ->producer_idx * messageSize;
1246	/* increment to next bcCount element */
1247	circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1248				% PM8001_MPI_QUEUE;
1249	/* Adds that distance to the base of the region virtual address plus
1250	the message header size*/
1251	msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt	+ offset);
1252	*messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1253	return 0;
1254}
1255
1256/**
1257 * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1258 * FW to tell the fw to get this message from IOMB.
1259 * @pm8001_ha: our hba card information
1260 * @q_index: the index in the inbound queue we want to transfer to HBA.
1261 * @opCode: the operation code represents commands which LLDD and fw recognized.
1262 * @payload: the command payload of each operation command.
1263 * @nb: size in bytes of the command payload
1264 * @responseQueue: queue to interrupt on w/ command response (if any)
1265 */
1266int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1267			 u32 q_index, u32 opCode, void *payload, size_t nb,
1268			 u32 responseQueue)
1269{
1270	u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
 
1271	void *pMessage;
1272	unsigned long flags;
1273	struct inbound_queue_table *circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
1274	int rv;
1275	u32 htag = le32_to_cpu(*(__le32 *)payload);
1276
1277	trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
1278		circularQ->producer_idx, le32_to_cpu(circularQ->consumer_index));
1279
1280	if (WARN_ON(q_index >= pm8001_ha->max_q_num))
1281		return -EINVAL;
1282
1283	spin_lock_irqsave(&circularQ->iq_lock, flags);
1284	rv = pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1285			&pMessage);
1286	if (rv < 0) {
1287		pm8001_dbg(pm8001_ha, IO, "No free mpi buffer\n");
1288		rv = -ENOMEM;
1289		goto done;
1290	}
1291
1292	if (nb > (pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr)))
1293		nb = pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr);
1294	memcpy(pMessage, payload, nb);
1295	if (nb + sizeof(struct mpi_msg_hdr) < pm8001_ha->iomb_size)
1296		memset(pMessage + nb, 0, pm8001_ha->iomb_size -
1297				(nb + sizeof(struct mpi_msg_hdr)));
1298
1299	/*Build the header*/
1300	Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1301		| ((responseQueue & 0x3F) << 16)
1302		| ((category & 0xF) << 12) | (opCode & 0xFFF));
1303
1304	pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1305	/*Update the PI to the firmware*/
1306	pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1307		circularQ->pi_offset, circularQ->producer_idx);
1308	pm8001_dbg(pm8001_ha, DEVIO,
1309		   "INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1310		   responseQueue, opCode, circularQ->producer_idx,
1311		   circularQ->consumer_index);
1312done:
1313	spin_unlock_irqrestore(&circularQ->iq_lock, flags);
1314	return rv;
1315}
1316
1317u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1318			    struct outbound_queue_table *circularQ, u8 bc)
1319{
1320	u32 producer_index;
1321	struct mpi_msg_hdr *msgHeader;
1322	struct mpi_msg_hdr *pOutBoundMsgHeader;
1323
1324	msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1325	pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1326				circularQ->consumer_idx * pm8001_ha->iomb_size);
1327	if (pOutBoundMsgHeader != msgHeader) {
1328		pm8001_dbg(pm8001_ha, FAIL,
1329			   "consumer_idx = %d msgHeader = %p\n",
1330			   circularQ->consumer_idx, msgHeader);
1331
1332		/* Update the producer index from SPC */
1333		producer_index = pm8001_read_32(circularQ->pi_virt);
1334		circularQ->producer_index = cpu_to_le32(producer_index);
1335		pm8001_dbg(pm8001_ha, FAIL,
1336			   "consumer_idx = %d producer_index = %dmsgHeader = %p\n",
1337			   circularQ->consumer_idx,
1338			   circularQ->producer_index, msgHeader);
1339		return 0;
1340	}
1341	/* free the circular queue buffer elements associated with the message*/
1342	circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1343				% PM8001_MPI_QUEUE;
1344	/* update the CI of outbound queue */
1345	pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1346		circularQ->consumer_idx);
1347	/* Update the producer index from SPC*/
1348	producer_index = pm8001_read_32(circularQ->pi_virt);
1349	circularQ->producer_index = cpu_to_le32(producer_index);
1350	pm8001_dbg(pm8001_ha, IO, " CI=%d PI=%d\n",
1351		   circularQ->consumer_idx, circularQ->producer_index);
 
1352	return 0;
1353}
1354
1355/**
1356 * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1357 * message table.
1358 * @pm8001_ha: our hba card information
1359 * @circularQ: the outbound queue  table.
1360 * @messagePtr1: the message contents of this outbound message.
1361 * @pBC: the message size.
1362 */
1363u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1364			   struct outbound_queue_table *circularQ,
1365			   void **messagePtr1, u8 *pBC)
1366{
1367	struct mpi_msg_hdr	*msgHeader;
1368	__le32	msgHeader_tmp;
1369	u32 header_tmp;
1370	do {
1371		/* If there are not-yet-delivered messages ... */
1372		if (le32_to_cpu(circularQ->producer_index)
1373			!= circularQ->consumer_idx) {
1374			/*Get the pointer to the circular queue buffer element*/
1375			msgHeader = (struct mpi_msg_hdr *)
1376				(circularQ->base_virt +
1377				circularQ->consumer_idx * pm8001_ha->iomb_size);
1378			/* read header */
1379			header_tmp = pm8001_read_32(msgHeader);
1380			msgHeader_tmp = cpu_to_le32(header_tmp);
1381			pm8001_dbg(pm8001_ha, DEVIO,
1382				   "outbound opcode msgheader:%x ci=%d pi=%d\n",
1383				   msgHeader_tmp, circularQ->consumer_idx,
1384				   circularQ->producer_index);
1385			if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1386				if (OPC_OUB_SKIP_ENTRY !=
1387					(le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1388					*messagePtr1 =
1389						((u8 *)msgHeader) +
1390						sizeof(struct mpi_msg_hdr);
1391					*pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1392						>> 24) & 0x1f);
1393					pm8001_dbg(pm8001_ha, IO,
1394						   ": CI=%d PI=%d msgHeader=%x\n",
1395						   circularQ->consumer_idx,
1396						   circularQ->producer_index,
1397						   msgHeader_tmp);
 
1398					return MPI_IO_STATUS_SUCCESS;
1399				} else {
1400					circularQ->consumer_idx =
1401						(circularQ->consumer_idx +
1402						((le32_to_cpu(msgHeader_tmp)
1403						 >> 24) & 0x1f))
1404							% PM8001_MPI_QUEUE;
1405					msgHeader_tmp = 0;
1406					pm8001_write_32(msgHeader, 0, 0);
1407					/* update the CI of outbound queue */
1408					pm8001_cw32(pm8001_ha,
1409						circularQ->ci_pci_bar,
1410						circularQ->ci_offset,
1411						circularQ->consumer_idx);
1412				}
1413			} else {
1414				circularQ->consumer_idx =
1415					(circularQ->consumer_idx +
1416					((le32_to_cpu(msgHeader_tmp) >> 24) &
1417					0x1f)) % PM8001_MPI_QUEUE;
1418				msgHeader_tmp = 0;
1419				pm8001_write_32(msgHeader, 0, 0);
1420				/* update the CI of outbound queue */
1421				pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1422					circularQ->ci_offset,
1423					circularQ->consumer_idx);
1424				return MPI_IO_STATUS_FAIL;
1425			}
1426		} else {
1427			u32 producer_index;
1428			void *pi_virt = circularQ->pi_virt;
1429			/* spurious interrupt during setup if
1430			 * kexec-ing and driver doing a doorbell access
1431			 * with the pre-kexec oq interrupt setup
1432			 */
1433			if (!pi_virt)
1434				break;
1435			/* Update the producer index from SPC */
1436			producer_index = pm8001_read_32(pi_virt);
1437			circularQ->producer_index = cpu_to_le32(producer_index);
1438		}
1439	} while (le32_to_cpu(circularQ->producer_index) !=
1440		circularQ->consumer_idx);
1441	/* while we don't have any more not-yet-delivered message */
1442	/* report empty */
1443	return MPI_IO_STATUS_BUSY;
1444}
1445
1446void pm8001_work_fn(struct work_struct *work)
1447{
1448	struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1449	struct pm8001_device *pm8001_dev;
1450	struct domain_device *dev;
1451
1452	/*
1453	 * So far, all users of this stash an associated structure here.
1454	 * If we get here, and this pointer is null, then the action
1455	 * was cancelled. This nullification happens when the device
1456	 * goes away.
1457	 */
1458	if (pw->handler != IO_FATAL_ERROR) {
1459		pm8001_dev = pw->data; /* Most stash device structure */
1460		if ((pm8001_dev == NULL)
1461		 || ((pw->handler != IO_XFER_ERROR_BREAK)
1462			 && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1463			kfree(pw);
1464			return;
1465		}
1466	}
1467
1468	switch (pw->handler) {
1469	case IO_XFER_ERROR_BREAK:
1470	{	/* This one stashes the sas_task instead */
1471		struct sas_task *t = (struct sas_task *)pm8001_dev;
1472		struct pm8001_ccb_info *ccb;
1473		struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1474		unsigned long flags, flags1;
1475		struct task_status_struct *ts;
1476		int i;
1477
1478		if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1479			break; /* Task still on lu */
1480		spin_lock_irqsave(&pm8001_ha->lock, flags);
1481
1482		spin_lock_irqsave(&t->task_state_lock, flags1);
1483		if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1484			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1485			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1486			break; /* Task got completed by another */
1487		}
1488		spin_unlock_irqrestore(&t->task_state_lock, flags1);
1489
1490		/* Search for a possible ccb that matches the task */
1491		for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1492			ccb = &pm8001_ha->ccb_info[i];
1493			if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1494			    (ccb->task == t))
1495				break;
1496		}
1497		if (!ccb) {
1498			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1499			break; /* Task got freed by another */
1500		}
1501		ts = &t->task_status;
1502		ts->resp = SAS_TASK_COMPLETE;
1503		/* Force the midlayer to retry */
1504		ts->stat = SAS_QUEUE_FULL;
1505		pm8001_dev = ccb->device;
1506		if (pm8001_dev)
1507			atomic_dec(&pm8001_dev->running_req);
1508		spin_lock_irqsave(&t->task_state_lock, flags1);
1509		t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1510		t->task_state_flags |= SAS_TASK_STATE_DONE;
1511		if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1512			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1513			pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
1514				   t, pw->handler, ts->resp, ts->stat);
1515			pm8001_ccb_task_free(pm8001_ha, ccb);
1516			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1517		} else {
1518			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1519			pm8001_ccb_task_free(pm8001_ha, ccb);
1520			mb();/* in order to force CPU ordering */
1521			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1522			t->task_done(t);
1523		}
1524	}	break;
1525	case IO_XFER_OPEN_RETRY_TIMEOUT:
1526	{	/* This one stashes the sas_task instead */
1527		struct sas_task *t = (struct sas_task *)pm8001_dev;
1528		struct pm8001_ccb_info *ccb;
1529		struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1530		unsigned long flags, flags1;
1531		int i, ret = 0;
1532
1533		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1534
1535		ret = pm8001_query_task(t);
1536
1537		if (ret == TMF_RESP_FUNC_SUCC)
1538			pm8001_dbg(pm8001_ha, IO, "...Task on lu\n");
1539		else if (ret == TMF_RESP_FUNC_COMPLETE)
1540			pm8001_dbg(pm8001_ha, IO, "...Task NOT on lu\n");
1541		else
1542			pm8001_dbg(pm8001_ha, DEVIO, "...query task failed!!!\n");
1543
1544		spin_lock_irqsave(&pm8001_ha->lock, flags);
1545
1546		spin_lock_irqsave(&t->task_state_lock, flags1);
1547
1548		if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1549			spin_unlock_irqrestore(&t->task_state_lock, flags1);
1550			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1551			if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1552				(void)pm8001_abort_task(t);
1553			break; /* Task got completed by another */
1554		}
1555
1556		spin_unlock_irqrestore(&t->task_state_lock, flags1);
1557
1558		/* Search for a possible ccb that matches the task */
1559		for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1560			ccb = &pm8001_ha->ccb_info[i];
1561			if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1562			    (ccb->task == t))
1563				break;
1564		}
1565		if (!ccb) {
1566			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1567			if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1568				(void)pm8001_abort_task(t);
1569			break; /* Task got freed by another */
1570		}
1571
1572		pm8001_dev = ccb->device;
1573		dev = pm8001_dev->sas_device;
1574
1575		switch (ret) {
1576		case TMF_RESP_FUNC_SUCC: /* task on lu */
1577			ccb->open_retry = 1; /* Snub completion */
1578			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1579			ret = pm8001_abort_task(t);
1580			ccb->open_retry = 0;
1581			switch (ret) {
1582			case TMF_RESP_FUNC_SUCC:
1583			case TMF_RESP_FUNC_COMPLETE:
1584				break;
1585			default: /* device misbehavior */
1586				ret = TMF_RESP_FUNC_FAILED;
1587				pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1588				pm8001_I_T_nexus_reset(dev);
1589				break;
1590			}
1591			break;
1592
1593		case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1594			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1595			/* Do we need to abort the task locally? */
1596			break;
1597
1598		default: /* device misbehavior */
1599			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1600			ret = TMF_RESP_FUNC_FAILED;
1601			pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1602			pm8001_I_T_nexus_reset(dev);
1603		}
1604
1605		if (ret == TMF_RESP_FUNC_FAILED)
1606			t = NULL;
1607		pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1608		pm8001_dbg(pm8001_ha, IO, "...Complete\n");
1609	}	break;
1610	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
 
1611		dev = pm8001_dev->sas_device;
1612		pm8001_I_T_nexus_event_handler(dev);
1613		break;
1614	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
 
1615		dev = pm8001_dev->sas_device;
1616		pm8001_I_T_nexus_reset(dev);
1617		break;
1618	case IO_DS_IN_ERROR:
 
1619		dev = pm8001_dev->sas_device;
1620		pm8001_I_T_nexus_reset(dev);
1621		break;
1622	case IO_DS_NON_OPERATIONAL:
 
1623		dev = pm8001_dev->sas_device;
1624		pm8001_I_T_nexus_reset(dev);
1625		break;
1626	case IO_FATAL_ERROR:
1627	{
1628		struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1629		struct pm8001_ccb_info *ccb;
1630		struct task_status_struct *ts;
1631		struct sas_task *task;
1632		int i;
1633		u32 device_id;
1634
1635		for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1636			ccb = &pm8001_ha->ccb_info[i];
1637			task = ccb->task;
1638			ts = &task->task_status;
1639
1640			if (task != NULL) {
1641				dev = task->dev;
1642				if (!dev) {
1643					pm8001_dbg(pm8001_ha, FAIL,
1644						"dev is NULL\n");
1645					continue;
1646				}
1647				/*complete sas task and update to top layer */
1648				pm8001_ccb_task_free(pm8001_ha, ccb);
1649				ts->resp = SAS_TASK_COMPLETE;
1650				task->task_done(task);
1651			} else if (ccb->ccb_tag != PM8001_INVALID_TAG) {
1652				/* complete the internal commands/non-sas task */
1653				pm8001_dev = ccb->device;
1654				if (pm8001_dev->dcompletion) {
1655					complete(pm8001_dev->dcompletion);
1656					pm8001_dev->dcompletion = NULL;
1657				}
1658				complete(pm8001_ha->nvmd_completion);
1659				pm8001_ccb_free(pm8001_ha, ccb);
1660			}
1661		}
1662		/* Deregister all the device ids  */
1663		for (i = 0; i < PM8001_MAX_DEVICES; i++) {
1664			pm8001_dev = &pm8001_ha->devices[i];
1665			device_id = pm8001_dev->device_id;
1666			if (device_id) {
1667				PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
1668				pm8001_free_dev(pm8001_dev);
1669			}
1670		}
1671	}
1672	break;
1673	case IO_XFER_ERROR_ABORTED_NCQ_MODE:
1674	{
1675		dev = pm8001_dev->sas_device;
1676		sas_ata_device_link_abort(dev, false);
1677	}
1678	break;
1679	}
1680	kfree(pw);
1681}
1682
1683int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1684			       int handler)
1685{
1686	struct pm8001_work *pw;
1687	int ret = 0;
1688
1689	pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1690	if (pw) {
1691		pw->pm8001_ha = pm8001_ha;
1692		pw->data = data;
1693		pw->handler = handler;
1694		INIT_WORK(&pw->work, pm8001_work_fn);
1695		queue_work(pm8001_wq, &pw->work);
1696	} else
1697		ret = -ENOMEM;
1698
1699	return ret;
1700}
1701
1702/**
1703 * mpi_ssp_completion- process the event that FW response to the SSP request.
1704 * @pm8001_ha: our hba card information
1705 * @piomb: the message contents of this outbound message.
1706 *
1707 * When FW has completed a ssp request for example a IO request, after it has
1708 * filled the SG data with the data, it will trigger this event representing
1709 * that he has finished the job; please check the corresponding buffer.
1710 * So we will tell the caller who maybe waiting the result to tell upper layer
1711 * that the task has been finished.
1712 */
1713static void
1714mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1715{
1716	struct sas_task *t;
1717	struct pm8001_ccb_info *ccb;
1718	unsigned long flags;
1719	u32 status;
1720	u32 param;
1721	u32 tag;
1722	struct ssp_completion_resp *psspPayload;
1723	struct task_status_struct *ts;
1724	struct ssp_response_iu *iu;
1725	struct pm8001_device *pm8001_dev;
1726	psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1727	status = le32_to_cpu(psspPayload->status);
1728	tag = le32_to_cpu(psspPayload->tag);
1729	ccb = &pm8001_ha->ccb_info[tag];
1730	if ((status == IO_ABORTED) && ccb->open_retry) {
1731		/* Being completed by another */
1732		ccb->open_retry = 0;
1733		return;
1734	}
1735	pm8001_dev = ccb->device;
1736	param = le32_to_cpu(psspPayload->param);
1737
1738	t = ccb->task;
1739
1740	if (status && status != IO_UNDERFLOW)
1741		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
 
1742	if (unlikely(!t || !t->lldd_task || !t->dev))
1743		return;
1744	ts = &t->task_status;
1745	/* Print sas address of IO failed device */
1746	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1747		(status != IO_UNDERFLOW))
1748		pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1749			   SAS_ADDR(t->dev->sas_addr));
1750
1751	if (status)
1752		pm8001_dbg(pm8001_ha, IOERR,
1753			   "status:0x%x, tag:0x%x, task:0x%p\n",
1754			   status, tag, t);
1755
1756	switch (status) {
1757	case IO_SUCCESS:
1758		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS,param = %d\n",
1759			   param);
1760		if (param == 0) {
1761			ts->resp = SAS_TASK_COMPLETE;
1762			ts->stat = SAS_SAM_STAT_GOOD;
1763		} else {
1764			ts->resp = SAS_TASK_COMPLETE;
1765			ts->stat = SAS_PROTO_RESPONSE;
1766			ts->residual = param;
1767			iu = &psspPayload->ssp_resp_iu;
1768			sas_ssp_task_response(pm8001_ha->dev, t, iu);
1769		}
1770		if (pm8001_dev)
1771			atomic_dec(&pm8001_dev->running_req);
1772		break;
1773	case IO_ABORTED:
1774		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
 
1775		ts->resp = SAS_TASK_COMPLETE;
1776		ts->stat = SAS_ABORTED_TASK;
1777		break;
1778	case IO_UNDERFLOW:
1779		/* SSP Completion with error */
1780		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW,param = %d\n",
1781			   param);
1782		ts->resp = SAS_TASK_COMPLETE;
1783		ts->stat = SAS_DATA_UNDERRUN;
1784		ts->residual = param;
1785		if (pm8001_dev)
1786			atomic_dec(&pm8001_dev->running_req);
1787		break;
1788	case IO_NO_DEVICE:
1789		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
 
1790		ts->resp = SAS_TASK_UNDELIVERED;
1791		ts->stat = SAS_PHY_DOWN;
1792		break;
1793	case IO_XFER_ERROR_BREAK:
1794		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
 
1795		ts->resp = SAS_TASK_COMPLETE;
1796		ts->stat = SAS_OPEN_REJECT;
1797		/* Force the midlayer to retry */
1798		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1799		break;
1800	case IO_XFER_ERROR_PHY_NOT_READY:
1801		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
 
1802		ts->resp = SAS_TASK_COMPLETE;
1803		ts->stat = SAS_OPEN_REJECT;
1804		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1805		break;
1806	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1807		pm8001_dbg(pm8001_ha, IO,
1808			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1809		ts->resp = SAS_TASK_COMPLETE;
1810		ts->stat = SAS_OPEN_REJECT;
1811		ts->open_rej_reason = SAS_OREJ_EPROTO;
1812		break;
1813	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1814		pm8001_dbg(pm8001_ha, IO,
1815			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1816		ts->resp = SAS_TASK_COMPLETE;
1817		ts->stat = SAS_OPEN_REJECT;
1818		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1819		break;
1820	case IO_OPEN_CNX_ERROR_BREAK:
1821		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
 
1822		ts->resp = SAS_TASK_COMPLETE;
1823		ts->stat = SAS_OPEN_REJECT;
1824		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1825		break;
1826	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1827		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
 
1828		ts->resp = SAS_TASK_COMPLETE;
1829		ts->stat = SAS_OPEN_REJECT;
1830		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1831		if (!t->uldd_task)
1832			pm8001_handle_event(pm8001_ha,
1833				pm8001_dev,
1834				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1835		break;
1836	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1837		pm8001_dbg(pm8001_ha, IO,
1838			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
1839		ts->resp = SAS_TASK_COMPLETE;
1840		ts->stat = SAS_OPEN_REJECT;
1841		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1842		break;
1843	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1844		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
 
 
1845		ts->resp = SAS_TASK_COMPLETE;
1846		ts->stat = SAS_OPEN_REJECT;
1847		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1848		break;
1849	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1850		pm8001_dbg(pm8001_ha, IO,
1851			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
1852		ts->resp = SAS_TASK_UNDELIVERED;
1853		ts->stat = SAS_OPEN_REJECT;
1854		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1855		break;
1856	case IO_XFER_ERROR_NAK_RECEIVED:
1857		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
 
1858		ts->resp = SAS_TASK_COMPLETE;
1859		ts->stat = SAS_OPEN_REJECT;
1860		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1861		break;
1862	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1863		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
 
1864		ts->resp = SAS_TASK_COMPLETE;
1865		ts->stat = SAS_NAK_R_ERR;
1866		break;
1867	case IO_XFER_ERROR_DMA:
1868		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
 
1869		ts->resp = SAS_TASK_COMPLETE;
1870		ts->stat = SAS_OPEN_REJECT;
1871		break;
1872	case IO_XFER_OPEN_RETRY_TIMEOUT:
1873		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
 
1874		ts->resp = SAS_TASK_COMPLETE;
1875		ts->stat = SAS_OPEN_REJECT;
1876		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1877		break;
1878	case IO_XFER_ERROR_OFFSET_MISMATCH:
1879		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
 
1880		ts->resp = SAS_TASK_COMPLETE;
1881		ts->stat = SAS_OPEN_REJECT;
1882		break;
1883	case IO_PORT_IN_RESET:
1884		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
 
1885		ts->resp = SAS_TASK_COMPLETE;
1886		ts->stat = SAS_OPEN_REJECT;
1887		break;
1888	case IO_DS_NON_OPERATIONAL:
1889		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
 
1890		ts->resp = SAS_TASK_COMPLETE;
1891		ts->stat = SAS_OPEN_REJECT;
1892		if (!t->uldd_task)
1893			pm8001_handle_event(pm8001_ha,
1894				pm8001_dev,
1895				IO_DS_NON_OPERATIONAL);
1896		break;
1897	case IO_DS_IN_RECOVERY:
1898		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
 
1899		ts->resp = SAS_TASK_COMPLETE;
1900		ts->stat = SAS_OPEN_REJECT;
1901		break;
1902	case IO_TM_TAG_NOT_FOUND:
1903		pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
 
1904		ts->resp = SAS_TASK_COMPLETE;
1905		ts->stat = SAS_OPEN_REJECT;
1906		break;
1907	case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1908		pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
 
1909		ts->resp = SAS_TASK_COMPLETE;
1910		ts->stat = SAS_OPEN_REJECT;
1911		break;
1912	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1913		pm8001_dbg(pm8001_ha, IO,
1914			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
1915		ts->resp = SAS_TASK_COMPLETE;
1916		ts->stat = SAS_OPEN_REJECT;
1917		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1918		break;
1919	default:
1920		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
 
1921		/* not allowed case. Therefore, return failed status */
1922		ts->resp = SAS_TASK_COMPLETE;
1923		ts->stat = SAS_OPEN_REJECT;
1924		break;
1925	}
1926	pm8001_dbg(pm8001_ha, IO, "scsi_status = %x\n",
1927		   psspPayload->ssp_resp_iu.status);
 
1928	spin_lock_irqsave(&t->task_state_lock, flags);
1929	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
 
1930	t->task_state_flags |= SAS_TASK_STATE_DONE;
1931	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1932		spin_unlock_irqrestore(&t->task_state_lock, flags);
1933		pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
1934			   t, status, ts->resp, ts->stat);
1935		pm8001_ccb_task_free(pm8001_ha, ccb);
 
 
1936	} else {
1937		spin_unlock_irqrestore(&t->task_state_lock, flags);
1938		pm8001_ccb_task_free(pm8001_ha, ccb);
1939		mb();/* in order to force CPU ordering */
1940		t->task_done(t);
1941	}
1942}
1943
1944/*See the comments for mpi_ssp_completion */
1945static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
1946{
1947	struct sas_task *t;
1948	unsigned long flags;
1949	struct task_status_struct *ts;
1950	struct pm8001_ccb_info *ccb;
1951	struct pm8001_device *pm8001_dev;
1952	struct ssp_event_resp *psspPayload =
1953		(struct ssp_event_resp *)(piomb + 4);
1954	u32 event = le32_to_cpu(psspPayload->event);
1955	u32 tag = le32_to_cpu(psspPayload->tag);
1956	u32 port_id = le32_to_cpu(psspPayload->port_id);
1957	u32 dev_id = le32_to_cpu(psspPayload->device_id);
1958
1959	ccb = &pm8001_ha->ccb_info[tag];
1960	t = ccb->task;
1961	pm8001_dev = ccb->device;
1962	if (event)
1963		pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
 
1964	if (unlikely(!t || !t->lldd_task || !t->dev))
1965		return;
1966	ts = &t->task_status;
1967	pm8001_dbg(pm8001_ha, DEVIO, "port_id = %x,device_id = %x\n",
1968		   port_id, dev_id);
 
1969	switch (event) {
1970	case IO_OVERFLOW:
1971		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
1972		ts->resp = SAS_TASK_COMPLETE;
1973		ts->stat = SAS_DATA_OVERRUN;
1974		ts->residual = 0;
1975		if (pm8001_dev)
1976			atomic_dec(&pm8001_dev->running_req);
1977		break;
1978	case IO_XFER_ERROR_BREAK:
1979		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1980		pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1981		return;
 
 
1982	case IO_XFER_ERROR_PHY_NOT_READY:
1983		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
 
1984		ts->resp = SAS_TASK_COMPLETE;
1985		ts->stat = SAS_OPEN_REJECT;
1986		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1987		break;
1988	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1989		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
 
 
1990		ts->resp = SAS_TASK_COMPLETE;
1991		ts->stat = SAS_OPEN_REJECT;
1992		ts->open_rej_reason = SAS_OREJ_EPROTO;
1993		break;
1994	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1995		pm8001_dbg(pm8001_ha, IO,
1996			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1997		ts->resp = SAS_TASK_COMPLETE;
1998		ts->stat = SAS_OPEN_REJECT;
1999		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2000		break;
2001	case IO_OPEN_CNX_ERROR_BREAK:
2002		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
 
2003		ts->resp = SAS_TASK_COMPLETE;
2004		ts->stat = SAS_OPEN_REJECT;
2005		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2006		break;
2007	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2008		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
 
2009		ts->resp = SAS_TASK_COMPLETE;
2010		ts->stat = SAS_OPEN_REJECT;
2011		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2012		if (!t->uldd_task)
2013			pm8001_handle_event(pm8001_ha,
2014				pm8001_dev,
2015				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2016		break;
2017	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2018		pm8001_dbg(pm8001_ha, IO,
2019			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2020		ts->resp = SAS_TASK_COMPLETE;
2021		ts->stat = SAS_OPEN_REJECT;
2022		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2023		break;
2024	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2025		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
 
 
2026		ts->resp = SAS_TASK_COMPLETE;
2027		ts->stat = SAS_OPEN_REJECT;
2028		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2029		break;
2030	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2031		pm8001_dbg(pm8001_ha, IO,
2032			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2033		ts->resp = SAS_TASK_COMPLETE;
2034		ts->stat = SAS_OPEN_REJECT;
2035		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2036		break;
2037	case IO_XFER_ERROR_NAK_RECEIVED:
2038		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
 
2039		ts->resp = SAS_TASK_COMPLETE;
2040		ts->stat = SAS_OPEN_REJECT;
2041		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2042		break;
2043	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2044		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
 
2045		ts->resp = SAS_TASK_COMPLETE;
2046		ts->stat = SAS_NAK_R_ERR;
2047		break;
2048	case IO_XFER_OPEN_RETRY_TIMEOUT:
2049		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2050		pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2051		return;
 
 
 
2052	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2053		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
 
2054		ts->resp = SAS_TASK_COMPLETE;
2055		ts->stat = SAS_DATA_OVERRUN;
2056		break;
2057	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2058		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
 
2059		ts->resp = SAS_TASK_COMPLETE;
2060		ts->stat = SAS_DATA_OVERRUN;
2061		break;
2062	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2063		pm8001_dbg(pm8001_ha, IO,
2064			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2065		ts->resp = SAS_TASK_COMPLETE;
2066		ts->stat = SAS_DATA_OVERRUN;
2067		break;
2068	case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2069		pm8001_dbg(pm8001_ha, IO,
2070			   "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2071		ts->resp = SAS_TASK_COMPLETE;
2072		ts->stat = SAS_DATA_OVERRUN;
2073		break;
2074	case IO_XFER_ERROR_OFFSET_MISMATCH:
2075		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
 
2076		ts->resp = SAS_TASK_COMPLETE;
2077		ts->stat = SAS_DATA_OVERRUN;
2078		break;
2079	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2080		pm8001_dbg(pm8001_ha, IO,
2081			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2082		ts->resp = SAS_TASK_COMPLETE;
2083		ts->stat = SAS_DATA_OVERRUN;
2084		break;
2085	case IO_XFER_CMD_FRAME_ISSUED:
2086		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
 
2087		return;
2088	default:
2089		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
 
2090		/* not allowed case. Therefore, return failed status */
2091		ts->resp = SAS_TASK_COMPLETE;
2092		ts->stat = SAS_DATA_OVERRUN;
2093		break;
2094	}
2095	spin_lock_irqsave(&t->task_state_lock, flags);
2096	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
 
2097	t->task_state_flags |= SAS_TASK_STATE_DONE;
2098	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2099		spin_unlock_irqrestore(&t->task_state_lock, flags);
2100		pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2101			   t, event, ts->resp, ts->stat);
2102		pm8001_ccb_task_free(pm8001_ha, ccb);
 
 
2103	} else {
2104		spin_unlock_irqrestore(&t->task_state_lock, flags);
2105		pm8001_ccb_task_free(pm8001_ha, ccb);
2106		mb();/* in order to force CPU ordering */
2107		t->task_done(t);
2108	}
2109}
2110
2111/*See the comments for mpi_ssp_completion */
2112static void
2113mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2114{
2115	struct sas_task *t;
2116	struct pm8001_ccb_info *ccb;
 
2117	u32 param;
2118	u32 status;
2119	u32 tag;
2120	int i, j;
2121	u8 sata_addr_low[4];
2122	u32 temp_sata_addr_low;
2123	u8 sata_addr_hi[4];
2124	u32 temp_sata_addr_hi;
2125	struct sata_completion_resp *psataPayload;
2126	struct task_status_struct *ts;
2127	struct ata_task_resp *resp ;
2128	u32 *sata_resp;
2129	struct pm8001_device *pm8001_dev;
2130	unsigned long flags;
2131
2132	psataPayload = (struct sata_completion_resp *)(piomb + 4);
2133	status = le32_to_cpu(psataPayload->status);
2134	param = le32_to_cpu(psataPayload->param);
2135	tag = le32_to_cpu(psataPayload->tag);
2136
2137	ccb = &pm8001_ha->ccb_info[tag];
 
2138	t = ccb->task;
 
2139	pm8001_dev = ccb->device;
2140
2141	if (t) {
2142		if (t->dev && (t->dev->lldd_dev))
2143			pm8001_dev = t->dev->lldd_dev;
2144	} else {
2145		pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2146			   ccb->ccb_tag);
2147		pm8001_ccb_free(pm8001_ha, ccb);
2148		return;
2149	}
2150
2151	if (pm8001_dev && unlikely(!t || !t->lldd_task || !t->dev)) {
2152		pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2153		return;
2154	}
2155
2156	ts = &t->task_status;
2157
2158	if (status)
2159		pm8001_dbg(pm8001_ha, IOERR,
2160			   "status:0x%x, tag:0x%x, task::0x%p\n",
2161			   status, tag, t);
2162
2163	/* Print sas address of IO failed device */
2164	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2165		(status != IO_UNDERFLOW)) {
2166		if (!((t->dev->parent) &&
2167			(dev_is_expander(t->dev->parent->dev_type)))) {
2168			for (i = 0, j = 4; j <= 7 && i <= 3; i++, j++)
2169				sata_addr_low[i] = pm8001_ha->sas_addr[j];
2170			for (i = 0, j = 0; j <= 3 && i <= 3; i++, j++)
2171				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2172			memcpy(&temp_sata_addr_low, sata_addr_low,
2173				sizeof(sata_addr_low));
2174			memcpy(&temp_sata_addr_hi, sata_addr_hi,
2175				sizeof(sata_addr_hi));
2176			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2177						|((temp_sata_addr_hi << 8) &
2178						0xff0000) |
2179						((temp_sata_addr_hi >> 8)
2180						& 0xff00) |
2181						((temp_sata_addr_hi << 24) &
2182						0xff000000));
2183			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2184						& 0xff) |
2185						((temp_sata_addr_low << 8)
2186						& 0xff0000) |
2187						((temp_sata_addr_low >> 8)
2188						& 0xff00) |
2189						((temp_sata_addr_low << 24)
2190						& 0xff000000)) +
2191						pm8001_dev->attached_phy +
2192						0x10);
2193			pm8001_dbg(pm8001_ha, FAIL,
2194				   "SAS Address of IO Failure Drive:%08x%08x\n",
2195				   temp_sata_addr_hi,
2196				   temp_sata_addr_low);
2197		} else {
2198			pm8001_dbg(pm8001_ha, FAIL,
2199				   "SAS Address of IO Failure Drive:%016llx\n",
2200				   SAS_ADDR(t->dev->sas_addr));
2201		}
2202	}
2203	switch (status) {
2204	case IO_SUCCESS:
2205		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2206		if (param == 0) {
2207			ts->resp = SAS_TASK_COMPLETE;
2208			ts->stat = SAS_SAM_STAT_GOOD;
2209		} else {
2210			u8 len;
2211			ts->resp = SAS_TASK_COMPLETE;
2212			ts->stat = SAS_PROTO_RESPONSE;
2213			ts->residual = param;
2214			pm8001_dbg(pm8001_ha, IO,
2215				   "SAS_PROTO_RESPONSE len = %d\n",
2216				   param);
2217			sata_resp = &psataPayload->sata_resp[0];
2218			resp = (struct ata_task_resp *)ts->buf;
2219			if (t->ata_task.dma_xfer == 0 &&
2220			    t->data_dir == DMA_FROM_DEVICE) {
2221				len = sizeof(struct pio_setup_fis);
2222				pm8001_dbg(pm8001_ha, IO,
2223					   "PIO read len = %d\n", len);
2224			} else if (t->ata_task.use_ncq &&
2225				   t->data_dir != DMA_NONE) {
2226				len = sizeof(struct set_dev_bits_fis);
2227				pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2228					   len);
2229			} else {
2230				len = sizeof(struct dev_to_host_fis);
2231				pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2232					   len);
2233			}
2234			if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2235				resp->frame_len = len;
2236				memcpy(&resp->ending_fis[0], sata_resp, len);
2237				ts->buf_valid_size = sizeof(*resp);
2238			} else
2239				pm8001_dbg(pm8001_ha, IO,
2240					   "response too large\n");
2241		}
2242		if (pm8001_dev)
2243			atomic_dec(&pm8001_dev->running_req);
2244		break;
2245	case IO_ABORTED:
2246		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
 
2247		ts->resp = SAS_TASK_COMPLETE;
2248		ts->stat = SAS_ABORTED_TASK;
2249		if (pm8001_dev)
2250			atomic_dec(&pm8001_dev->running_req);
2251		break;
2252		/* following cases are to do cases */
2253	case IO_UNDERFLOW:
2254		/* SATA Completion with error */
2255		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
 
2256		ts->resp = SAS_TASK_COMPLETE;
2257		ts->stat = SAS_DATA_UNDERRUN;
2258		ts->residual =  param;
2259		if (pm8001_dev)
2260			atomic_dec(&pm8001_dev->running_req);
2261		break;
2262	case IO_NO_DEVICE:
2263		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
 
2264		ts->resp = SAS_TASK_UNDELIVERED;
2265		ts->stat = SAS_PHY_DOWN;
2266		if (pm8001_dev)
2267			atomic_dec(&pm8001_dev->running_req);
2268		break;
2269	case IO_XFER_ERROR_BREAK:
2270		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
 
2271		ts->resp = SAS_TASK_COMPLETE;
2272		ts->stat = SAS_INTERRUPTED;
2273		if (pm8001_dev)
2274			atomic_dec(&pm8001_dev->running_req);
2275		break;
2276	case IO_XFER_ERROR_PHY_NOT_READY:
2277		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
 
2278		ts->resp = SAS_TASK_COMPLETE;
2279		ts->stat = SAS_OPEN_REJECT;
2280		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2281		if (pm8001_dev)
2282			atomic_dec(&pm8001_dev->running_req);
2283		break;
2284	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2285		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
 
 
2286		ts->resp = SAS_TASK_COMPLETE;
2287		ts->stat = SAS_OPEN_REJECT;
2288		ts->open_rej_reason = SAS_OREJ_EPROTO;
2289		if (pm8001_dev)
2290			atomic_dec(&pm8001_dev->running_req);
2291		break;
2292	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2293		pm8001_dbg(pm8001_ha, IO,
2294			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2295		ts->resp = SAS_TASK_COMPLETE;
2296		ts->stat = SAS_OPEN_REJECT;
2297		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2298		if (pm8001_dev)
2299			atomic_dec(&pm8001_dev->running_req);
2300		break;
2301	case IO_OPEN_CNX_ERROR_BREAK:
2302		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
 
2303		ts->resp = SAS_TASK_COMPLETE;
2304		ts->stat = SAS_OPEN_REJECT;
2305		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2306		if (pm8001_dev)
2307			atomic_dec(&pm8001_dev->running_req);
2308		break;
2309	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2310		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
 
2311		ts->resp = SAS_TASK_COMPLETE;
2312		ts->stat = SAS_DEV_NO_RESPONSE;
2313		if (!t->uldd_task) {
2314			pm8001_handle_event(pm8001_ha,
2315				pm8001_dev,
2316				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2317			ts->resp = SAS_TASK_UNDELIVERED;
2318			ts->stat = SAS_QUEUE_FULL;
2319			pm8001_ccb_task_free_done(pm8001_ha, ccb);
 
 
 
 
2320			return;
2321		}
2322		break;
2323	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2324		pm8001_dbg(pm8001_ha, IO,
2325			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2326		ts->resp = SAS_TASK_UNDELIVERED;
2327		ts->stat = SAS_OPEN_REJECT;
2328		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2329		if (!t->uldd_task) {
2330			pm8001_handle_event(pm8001_ha,
2331				pm8001_dev,
2332				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2333			ts->resp = SAS_TASK_UNDELIVERED;
2334			ts->stat = SAS_QUEUE_FULL;
2335			pm8001_ccb_task_free_done(pm8001_ha, ccb);
 
 
 
 
2336			return;
2337		}
2338		break;
2339	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2340		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
 
 
2341		ts->resp = SAS_TASK_COMPLETE;
2342		ts->stat = SAS_OPEN_REJECT;
2343		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2344		if (pm8001_dev)
2345			atomic_dec(&pm8001_dev->running_req);
2346		break;
2347	case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2348		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
 
 
2349		ts->resp = SAS_TASK_COMPLETE;
2350		ts->stat = SAS_DEV_NO_RESPONSE;
2351		if (!t->uldd_task) {
2352			pm8001_handle_event(pm8001_ha,
2353				pm8001_dev,
2354				IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2355			ts->resp = SAS_TASK_UNDELIVERED;
2356			ts->stat = SAS_QUEUE_FULL;
2357			pm8001_ccb_task_free_done(pm8001_ha, ccb);
 
 
 
 
2358			return;
2359		}
2360		break;
2361	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2362		pm8001_dbg(pm8001_ha, IO,
2363			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2364		ts->resp = SAS_TASK_COMPLETE;
2365		ts->stat = SAS_OPEN_REJECT;
2366		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2367		if (pm8001_dev)
2368			atomic_dec(&pm8001_dev->running_req);
2369		break;
2370	case IO_XFER_ERROR_NAK_RECEIVED:
2371		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
 
2372		ts->resp = SAS_TASK_COMPLETE;
2373		ts->stat = SAS_NAK_R_ERR;
2374		if (pm8001_dev)
2375			atomic_dec(&pm8001_dev->running_req);
2376		break;
2377	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2378		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
 
2379		ts->resp = SAS_TASK_COMPLETE;
2380		ts->stat = SAS_NAK_R_ERR;
2381		if (pm8001_dev)
2382			atomic_dec(&pm8001_dev->running_req);
2383		break;
2384	case IO_XFER_ERROR_DMA:
2385		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
 
2386		ts->resp = SAS_TASK_COMPLETE;
2387		ts->stat = SAS_ABORTED_TASK;
2388		if (pm8001_dev)
2389			atomic_dec(&pm8001_dev->running_req);
2390		break;
2391	case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2392		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
 
2393		ts->resp = SAS_TASK_UNDELIVERED;
2394		ts->stat = SAS_DEV_NO_RESPONSE;
2395		if (pm8001_dev)
2396			atomic_dec(&pm8001_dev->running_req);
2397		break;
2398	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2399		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
 
2400		ts->resp = SAS_TASK_COMPLETE;
2401		ts->stat = SAS_DATA_UNDERRUN;
2402		if (pm8001_dev)
2403			atomic_dec(&pm8001_dev->running_req);
2404		break;
2405	case IO_XFER_OPEN_RETRY_TIMEOUT:
2406		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
 
2407		ts->resp = SAS_TASK_COMPLETE;
2408		ts->stat = SAS_OPEN_TO;
2409		if (pm8001_dev)
2410			atomic_dec(&pm8001_dev->running_req);
2411		break;
2412	case IO_PORT_IN_RESET:
2413		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
 
2414		ts->resp = SAS_TASK_COMPLETE;
2415		ts->stat = SAS_DEV_NO_RESPONSE;
2416		if (pm8001_dev)
2417			atomic_dec(&pm8001_dev->running_req);
2418		break;
2419	case IO_DS_NON_OPERATIONAL:
2420		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
 
2421		ts->resp = SAS_TASK_COMPLETE;
2422		ts->stat = SAS_DEV_NO_RESPONSE;
2423		if (!t->uldd_task) {
2424			pm8001_handle_event(pm8001_ha, pm8001_dev,
2425				    IO_DS_NON_OPERATIONAL);
2426			ts->resp = SAS_TASK_UNDELIVERED;
2427			ts->stat = SAS_QUEUE_FULL;
2428			pm8001_ccb_task_free_done(pm8001_ha, ccb);
 
 
 
 
2429			return;
2430		}
2431		break;
2432	case IO_DS_IN_RECOVERY:
2433		pm8001_dbg(pm8001_ha, IO, "  IO_DS_IN_RECOVERY\n");
 
2434		ts->resp = SAS_TASK_COMPLETE;
2435		ts->stat = SAS_DEV_NO_RESPONSE;
2436		if (pm8001_dev)
2437			atomic_dec(&pm8001_dev->running_req);
2438		break;
2439	case IO_DS_IN_ERROR:
2440		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
 
2441		ts->resp = SAS_TASK_COMPLETE;
2442		ts->stat = SAS_DEV_NO_RESPONSE;
2443		if (!t->uldd_task) {
2444			pm8001_handle_event(pm8001_ha, pm8001_dev,
2445				    IO_DS_IN_ERROR);
2446			ts->resp = SAS_TASK_UNDELIVERED;
2447			ts->stat = SAS_QUEUE_FULL;
2448			pm8001_ccb_task_free_done(pm8001_ha, ccb);
 
 
 
 
2449			return;
2450		}
2451		break;
2452	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2453		pm8001_dbg(pm8001_ha, IO,
2454			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2455		ts->resp = SAS_TASK_COMPLETE;
2456		ts->stat = SAS_OPEN_REJECT;
2457		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2458		if (pm8001_dev)
2459			atomic_dec(&pm8001_dev->running_req);
2460		break;
2461	default:
2462		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
 
2463		/* not allowed case. Therefore, return failed status */
2464		ts->resp = SAS_TASK_COMPLETE;
2465		ts->stat = SAS_DEV_NO_RESPONSE;
2466		if (pm8001_dev)
2467			atomic_dec(&pm8001_dev->running_req);
2468		break;
2469	}
2470	spin_lock_irqsave(&t->task_state_lock, flags);
2471	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
 
2472	t->task_state_flags |= SAS_TASK_STATE_DONE;
2473	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2474		spin_unlock_irqrestore(&t->task_state_lock, flags);
2475		pm8001_dbg(pm8001_ha, FAIL,
2476			   "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2477			   t, status, ts->resp, ts->stat);
2478		pm8001_ccb_task_free(pm8001_ha, ccb);
2479	} else {
 
 
 
 
 
 
 
 
2480		spin_unlock_irqrestore(&t->task_state_lock, flags);
2481		pm8001_ccb_task_free_done(pm8001_ha, ccb);
 
 
 
 
2482	}
2483}
2484
2485/*See the comments for mpi_ssp_completion */
2486static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2487{
2488	struct sas_task *t;
 
2489	struct task_status_struct *ts;
2490	struct pm8001_ccb_info *ccb;
2491	struct pm8001_device *pm8001_dev;
2492	struct sata_event_resp *psataPayload =
2493		(struct sata_event_resp *)(piomb + 4);
2494	u32 event = le32_to_cpu(psataPayload->event);
2495	u32 tag = le32_to_cpu(psataPayload->tag);
2496	u32 port_id = le32_to_cpu(psataPayload->port_id);
2497	u32 dev_id = le32_to_cpu(psataPayload->device_id);
2498
2499	if (event)
2500		pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2501
2502	/* Check if this is NCQ error */
2503	if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2504		/* find device using device id */
2505		pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2506		if (pm8001_dev)
2507			pm8001_handle_event(pm8001_ha,
2508				pm8001_dev,
2509				IO_XFER_ERROR_ABORTED_NCQ_MODE);
2510		return;
2511	}
2512
2513	ccb = &pm8001_ha->ccb_info[tag];
2514	t = ccb->task;
2515	pm8001_dev = ccb->device;
2516	if (event)
2517		pm8001_dbg(pm8001_ha, FAIL, "sata IO status 0x%x\n", event);
2518
2519	if (unlikely(!t)) {
2520		pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2521			   ccb->ccb_tag);
2522		pm8001_ccb_free(pm8001_ha, ccb);
2523		return;
2524	}
2525
2526	if (unlikely(!t->lldd_task || !t->dev))
2527		return;
2528
2529	ts = &t->task_status;
2530	pm8001_dbg(pm8001_ha, DEVIO,
2531		   "port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2532		   port_id, dev_id, tag, event);
2533	switch (event) {
2534	case IO_OVERFLOW:
2535		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2536		ts->resp = SAS_TASK_COMPLETE;
2537		ts->stat = SAS_DATA_OVERRUN;
2538		ts->residual = 0;
 
 
2539		break;
2540	case IO_XFER_ERROR_BREAK:
2541		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
 
2542		ts->resp = SAS_TASK_COMPLETE;
2543		ts->stat = SAS_INTERRUPTED;
2544		break;
2545	case IO_XFER_ERROR_PHY_NOT_READY:
2546		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
 
2547		ts->resp = SAS_TASK_COMPLETE;
2548		ts->stat = SAS_OPEN_REJECT;
2549		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2550		break;
2551	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2552		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
 
 
2553		ts->resp = SAS_TASK_COMPLETE;
2554		ts->stat = SAS_OPEN_REJECT;
2555		ts->open_rej_reason = SAS_OREJ_EPROTO;
2556		break;
2557	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2558		pm8001_dbg(pm8001_ha, IO,
2559			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2560		ts->resp = SAS_TASK_COMPLETE;
2561		ts->stat = SAS_OPEN_REJECT;
2562		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2563		break;
2564	case IO_OPEN_CNX_ERROR_BREAK:
2565		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
 
2566		ts->resp = SAS_TASK_COMPLETE;
2567		ts->stat = SAS_OPEN_REJECT;
2568		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2569		break;
2570	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2571		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
 
2572		ts->resp = SAS_TASK_UNDELIVERED;
2573		ts->stat = SAS_DEV_NO_RESPONSE;
2574		if (!t->uldd_task) {
2575			pm8001_handle_event(pm8001_ha,
2576				pm8001_dev,
2577				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2578			ts->resp = SAS_TASK_COMPLETE;
2579			ts->stat = SAS_QUEUE_FULL;
 
 
 
 
 
2580			return;
2581		}
2582		break;
2583	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2584		pm8001_dbg(pm8001_ha, IO,
2585			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2586		ts->resp = SAS_TASK_UNDELIVERED;
2587		ts->stat = SAS_OPEN_REJECT;
2588		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2589		break;
2590	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2591		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
 
 
2592		ts->resp = SAS_TASK_COMPLETE;
2593		ts->stat = SAS_OPEN_REJECT;
2594		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2595		break;
2596	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2597		pm8001_dbg(pm8001_ha, IO,
2598			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2599		ts->resp = SAS_TASK_COMPLETE;
2600		ts->stat = SAS_OPEN_REJECT;
2601		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2602		break;
2603	case IO_XFER_ERROR_NAK_RECEIVED:
2604		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
 
2605		ts->resp = SAS_TASK_COMPLETE;
2606		ts->stat = SAS_NAK_R_ERR;
2607		break;
2608	case IO_XFER_ERROR_PEER_ABORTED:
2609		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
 
2610		ts->resp = SAS_TASK_COMPLETE;
2611		ts->stat = SAS_NAK_R_ERR;
2612		break;
2613	case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2614		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
 
2615		ts->resp = SAS_TASK_COMPLETE;
2616		ts->stat = SAS_DATA_UNDERRUN;
2617		break;
2618	case IO_XFER_OPEN_RETRY_TIMEOUT:
2619		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
 
2620		ts->resp = SAS_TASK_COMPLETE;
2621		ts->stat = SAS_OPEN_TO;
2622		break;
2623	case IO_XFER_ERROR_UNEXPECTED_PHASE:
2624		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
 
2625		ts->resp = SAS_TASK_COMPLETE;
2626		ts->stat = SAS_OPEN_TO;
2627		break;
2628	case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2629		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
 
2630		ts->resp = SAS_TASK_COMPLETE;
2631		ts->stat = SAS_OPEN_TO;
2632		break;
2633	case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2634		pm8001_dbg(pm8001_ha, IO,
2635			   "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2636		ts->resp = SAS_TASK_COMPLETE;
2637		ts->stat = SAS_OPEN_TO;
2638		break;
2639	case IO_XFER_ERROR_OFFSET_MISMATCH:
2640		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
 
2641		ts->resp = SAS_TASK_COMPLETE;
2642		ts->stat = SAS_OPEN_TO;
2643		break;
2644	case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2645		pm8001_dbg(pm8001_ha, IO,
2646			   "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2647		ts->resp = SAS_TASK_COMPLETE;
2648		ts->stat = SAS_OPEN_TO;
2649		break;
2650	case IO_XFER_CMD_FRAME_ISSUED:
2651		pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
 
2652		break;
2653	case IO_XFER_PIO_SETUP_ERROR:
2654		pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
 
2655		ts->resp = SAS_TASK_COMPLETE;
2656		ts->stat = SAS_OPEN_TO;
2657		break;
2658	default:
2659		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
 
2660		/* not allowed case. Therefore, return failed status */
2661		ts->resp = SAS_TASK_COMPLETE;
2662		ts->stat = SAS_OPEN_TO;
2663		break;
2664	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2665}
2666
2667/*See the comments for mpi_ssp_completion */
2668static void
2669mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2670{
 
2671	struct sas_task *t;
2672	struct pm8001_ccb_info *ccb;
2673	unsigned long flags;
2674	u32 status;
2675	u32 tag;
2676	struct smp_completion_resp *psmpPayload;
2677	struct task_status_struct *ts;
2678	struct pm8001_device *pm8001_dev;
2679
2680	psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2681	status = le32_to_cpu(psmpPayload->status);
2682	tag = le32_to_cpu(psmpPayload->tag);
2683
2684	ccb = &pm8001_ha->ccb_info[tag];
 
2685	t = ccb->task;
2686	ts = &t->task_status;
2687	pm8001_dev = ccb->device;
2688	if (status) {
2689		pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2690		pm8001_dbg(pm8001_ha, IOERR,
2691			   "status:0x%x, tag:0x%x, task:0x%p\n",
2692			   status, tag, t);
2693	}
2694	if (unlikely(!t || !t->lldd_task || !t->dev))
2695		return;
2696
2697	switch (status) {
2698	case IO_SUCCESS:
2699		pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2700		ts->resp = SAS_TASK_COMPLETE;
2701		ts->stat = SAS_SAM_STAT_GOOD;
2702		if (pm8001_dev)
2703			atomic_dec(&pm8001_dev->running_req);
2704		break;
2705	case IO_ABORTED:
2706		pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
 
2707		ts->resp = SAS_TASK_COMPLETE;
2708		ts->stat = SAS_ABORTED_TASK;
2709		if (pm8001_dev)
2710			atomic_dec(&pm8001_dev->running_req);
2711		break;
2712	case IO_OVERFLOW:
2713		pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2714		ts->resp = SAS_TASK_COMPLETE;
2715		ts->stat = SAS_DATA_OVERRUN;
2716		ts->residual = 0;
2717		if (pm8001_dev)
2718			atomic_dec(&pm8001_dev->running_req);
2719		break;
2720	case IO_NO_DEVICE:
2721		pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2722		ts->resp = SAS_TASK_COMPLETE;
2723		ts->stat = SAS_PHY_DOWN;
2724		break;
2725	case IO_ERROR_HW_TIMEOUT:
2726		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
 
2727		ts->resp = SAS_TASK_COMPLETE;
2728		ts->stat = SAS_SAM_STAT_BUSY;
2729		break;
2730	case IO_XFER_ERROR_BREAK:
2731		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
 
2732		ts->resp = SAS_TASK_COMPLETE;
2733		ts->stat = SAS_SAM_STAT_BUSY;
2734		break;
2735	case IO_XFER_ERROR_PHY_NOT_READY:
2736		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
 
2737		ts->resp = SAS_TASK_COMPLETE;
2738		ts->stat = SAS_SAM_STAT_BUSY;
2739		break;
2740	case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2741		pm8001_dbg(pm8001_ha, IO,
2742			   "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2743		ts->resp = SAS_TASK_COMPLETE;
2744		ts->stat = SAS_OPEN_REJECT;
2745		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2746		break;
2747	case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2748		pm8001_dbg(pm8001_ha, IO,
2749			   "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2750		ts->resp = SAS_TASK_COMPLETE;
2751		ts->stat = SAS_OPEN_REJECT;
2752		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2753		break;
2754	case IO_OPEN_CNX_ERROR_BREAK:
2755		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
 
2756		ts->resp = SAS_TASK_COMPLETE;
2757		ts->stat = SAS_OPEN_REJECT;
2758		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2759		break;
2760	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2761		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
 
2762		ts->resp = SAS_TASK_COMPLETE;
2763		ts->stat = SAS_OPEN_REJECT;
2764		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2765		pm8001_handle_event(pm8001_ha,
2766				pm8001_dev,
2767				IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2768		break;
2769	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2770		pm8001_dbg(pm8001_ha, IO,
2771			   "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2772		ts->resp = SAS_TASK_COMPLETE;
2773		ts->stat = SAS_OPEN_REJECT;
2774		ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2775		break;
2776	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2777		pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
 
 
2778		ts->resp = SAS_TASK_COMPLETE;
2779		ts->stat = SAS_OPEN_REJECT;
2780		ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2781		break;
2782	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2783		pm8001_dbg(pm8001_ha, IO,
2784			   "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2785		ts->resp = SAS_TASK_COMPLETE;
2786		ts->stat = SAS_OPEN_REJECT;
2787		ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2788		break;
2789	case IO_XFER_ERROR_RX_FRAME:
2790		pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
 
2791		ts->resp = SAS_TASK_COMPLETE;
2792		ts->stat = SAS_DEV_NO_RESPONSE;
2793		break;
2794	case IO_XFER_OPEN_RETRY_TIMEOUT:
2795		pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
 
2796		ts->resp = SAS_TASK_COMPLETE;
2797		ts->stat = SAS_OPEN_REJECT;
2798		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2799		break;
2800	case IO_ERROR_INTERNAL_SMP_RESOURCE:
2801		pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
 
2802		ts->resp = SAS_TASK_COMPLETE;
2803		ts->stat = SAS_QUEUE_FULL;
2804		break;
2805	case IO_PORT_IN_RESET:
2806		pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
 
2807		ts->resp = SAS_TASK_COMPLETE;
2808		ts->stat = SAS_OPEN_REJECT;
2809		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2810		break;
2811	case IO_DS_NON_OPERATIONAL:
2812		pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
 
2813		ts->resp = SAS_TASK_COMPLETE;
2814		ts->stat = SAS_DEV_NO_RESPONSE;
2815		break;
2816	case IO_DS_IN_RECOVERY:
2817		pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
 
2818		ts->resp = SAS_TASK_COMPLETE;
2819		ts->stat = SAS_OPEN_REJECT;
2820		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2821		break;
2822	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2823		pm8001_dbg(pm8001_ha, IO,
2824			   "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2825		ts->resp = SAS_TASK_COMPLETE;
2826		ts->stat = SAS_OPEN_REJECT;
2827		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2828		break;
2829	default:
2830		pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
 
2831		ts->resp = SAS_TASK_COMPLETE;
2832		ts->stat = SAS_DEV_NO_RESPONSE;
2833		/* not allowed case. Therefore, return failed status */
2834		break;
2835	}
2836	spin_lock_irqsave(&t->task_state_lock, flags);
2837	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
 
2838	t->task_state_flags |= SAS_TASK_STATE_DONE;
2839	if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2840		spin_unlock_irqrestore(&t->task_state_lock, flags);
2841		pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2842			   t, status, ts->resp, ts->stat);
2843		pm8001_ccb_task_free(pm8001_ha, ccb);
 
 
2844	} else {
2845		spin_unlock_irqrestore(&t->task_state_lock, flags);
2846		pm8001_ccb_task_free_done(pm8001_ha, ccb);
 
 
2847	}
2848}
2849
2850void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
2851		void *piomb)
2852{
2853	struct set_dev_state_resp *pPayload =
2854		(struct set_dev_state_resp *)(piomb + 4);
2855	u32 tag = le32_to_cpu(pPayload->tag);
2856	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2857	struct pm8001_device *pm8001_dev = ccb->device;
2858	u32 status = le32_to_cpu(pPayload->status);
2859	u32 device_id = le32_to_cpu(pPayload->device_id);
2860	u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
2861	u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
2862
2863	pm8001_dbg(pm8001_ha, MSG,
2864		   "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n",
2865		   device_id, pds, nds, status);
2866	complete(pm8001_dev->setds_completion);
2867	pm8001_ccb_free(pm8001_ha, ccb);
 
 
2868}
2869
2870void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 
2871{
2872	struct get_nvm_data_resp *pPayload =
2873		(struct get_nvm_data_resp *)(piomb + 4);
2874	u32 tag = le32_to_cpu(pPayload->tag);
2875	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2876	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2877
2878	complete(pm8001_ha->nvmd_completion);
2879	pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n");
2880	if ((dlen_status & NVMD_STAT) != 0) {
2881		pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n",
2882				dlen_status);
 
2883	}
2884	pm8001_ccb_free(pm8001_ha, ccb);
 
 
2885}
2886
2887void
2888pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2889{
2890	struct fw_control_ex    *fw_control_context;
2891	struct get_nvm_data_resp *pPayload =
2892		(struct get_nvm_data_resp *)(piomb + 4);
2893	u32 tag = le32_to_cpu(pPayload->tag);
2894	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2895	u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2896	u32 ir_tds_bn_dps_das_nvm =
2897		le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
2898	void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
2899	fw_control_context = ccb->fw_control_context;
2900
2901	pm8001_dbg(pm8001_ha, MSG, "Get nvm data complete!\n");
2902	if ((dlen_status & NVMD_STAT) != 0) {
2903		pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error %x\n",
2904				dlen_status);
2905		complete(pm8001_ha->nvmd_completion);
2906		/* We should free tag during failure also, the tag is not being
2907		 * freed by requesting path anywhere.
2908		 */
2909		pm8001_ccb_free(pm8001_ha, ccb);
2910		return;
2911	}
 
2912	if (ir_tds_bn_dps_das_nvm & IPMode) {
2913		/* indirect mode - IR bit set */
2914		pm8001_dbg(pm8001_ha, MSG, "Get NVMD success, IR=1\n");
 
2915		if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
2916			if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
2917				memcpy(pm8001_ha->sas_addr,
2918				      ((u8 *)virt_addr + 4),
2919				       SAS_ADDR_SIZE);
2920				pm8001_dbg(pm8001_ha, MSG, "Get SAS address from VPD successfully!\n");
 
 
2921			}
2922		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
2923			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
2924			((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
2925				;
2926		} else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
2927			|| ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
2928			;
2929		} else {
2930			/* Should not be happened*/
2931			pm8001_dbg(pm8001_ha, MSG,
2932				   "(IR=1)Wrong Device type 0x%x\n",
2933				   ir_tds_bn_dps_das_nvm);
2934		}
2935	} else /* direct mode */{
2936		pm8001_dbg(pm8001_ha, MSG,
2937			   "Get NVMD success, IR=0, dataLen=%d\n",
2938			   (dlen_status & NVMD_LEN) >> 24);
2939	}
2940	/* Though fw_control_context is freed below, usrAddr still needs
2941	 * to be updated as this holds the response to the request function
2942	 */
2943	memcpy(fw_control_context->usrAddr,
2944		pm8001_ha->memoryMap.region[NVMD].virt_ptr,
2945		fw_control_context->len);
2946	kfree(ccb->fw_control_context);
2947	/* To avoid race condition, complete should be
2948	 * called after the message is copied to
2949	 * fw_control_context->usrAddr
2950	 */
2951	complete(pm8001_ha->nvmd_completion);
2952	pm8001_dbg(pm8001_ha, MSG, "Get nvmd data complete!\n");
2953	pm8001_ccb_free(pm8001_ha, ccb);
 
2954}
2955
2956int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
2957{
2958	u32 tag;
2959	struct local_phy_ctl_resp *pPayload =
2960		(struct local_phy_ctl_resp *)(piomb + 4);
2961	u32 status = le32_to_cpu(pPayload->status);
2962	u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
2963	u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
2964	tag = le32_to_cpu(pPayload->tag);
2965	if (status != 0) {
2966		pm8001_dbg(pm8001_ha, MSG,
2967			   "%x phy execute %x phy op failed!\n",
2968			   phy_id, phy_op);
2969	} else {
2970		pm8001_dbg(pm8001_ha, MSG,
2971			   "%x phy execute %x phy op success!\n",
2972			   phy_id, phy_op);
2973		pm8001_ha->phy[phy_id].reset_success = true;
2974	}
2975	if (pm8001_ha->phy[phy_id].enable_completion) {
2976		complete(pm8001_ha->phy[phy_id].enable_completion);
2977		pm8001_ha->phy[phy_id].enable_completion = NULL;
2978	}
2979	pm8001_tag_free(pm8001_ha, tag);
2980	return 0;
2981}
2982
2983/**
2984 * pm8001_bytes_dmaed - one of the interface function communication with libsas
2985 * @pm8001_ha: our hba card information
2986 * @i: which phy that received the event.
2987 *
2988 * when HBA driver received the identify done event or initiate FIS received
2989 * event(for SATA), it will invoke this function to notify the sas layer that
2990 * the sas toplogy has formed, please discover the whole sas domain,
2991 * while receive a broadcast(change) primitive just tell the sas
2992 * layer to discover the changed domain rather than the whole domain.
2993 */
2994void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
2995{
2996	struct pm8001_phy *phy = &pm8001_ha->phy[i];
2997	struct asd_sas_phy *sas_phy = &phy->sas_phy;
 
2998	if (!phy->phy_attached)
2999		return;
3000
 
 
 
 
 
 
 
 
 
 
3001	if (phy->phy_type & PORT_TYPE_SAS) {
3002		struct sas_identify_frame *id;
3003		id = (struct sas_identify_frame *)phy->frame_rcvd;
3004		id->dev_type = phy->identify.device_type;
3005		id->initiator_bits = SAS_PROTOCOL_ALL;
3006		id->target_bits = phy->identify.target_port_protocols;
3007	} else if (phy->phy_type & PORT_TYPE_SATA) {
3008		/*Nothing*/
3009	}
3010	pm8001_dbg(pm8001_ha, MSG, "phy %d byte dmaded.\n", i);
3011
3012	sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3013	sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
3014}
3015
3016/* Get the link rate speed  */
3017void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3018{
3019	struct sas_phy *sas_phy = phy->sas_phy.phy;
3020
3021	switch (link_rate) {
3022	case PHY_SPEED_120:
3023		phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
3024		break;
3025	case PHY_SPEED_60:
3026		phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
 
3027		break;
3028	case PHY_SPEED_30:
3029		phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
 
3030		break;
3031	case PHY_SPEED_15:
3032		phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
 
3033		break;
3034	}
3035	sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3036	sas_phy->maximum_linkrate_hw = phy->maximum_linkrate;
3037	sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3038	sas_phy->maximum_linkrate = phy->maximum_linkrate;
3039	sas_phy->minimum_linkrate = phy->minimum_linkrate;
3040}
3041
3042/**
3043 * pm8001_get_attached_sas_addr - extract/generate attached SAS address
3044 * @phy: pointer to asd_phy
3045 * @sas_addr: pointer to buffer where the SAS address is to be written
3046 *
3047 * This function extracts the SAS address from an IDENTIFY frame
3048 * received.  If OOB is SATA, then a SAS address is generated from the
3049 * HA tables.
3050 *
3051 * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3052 * buffer.
3053 */
3054void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3055	u8 *sas_addr)
3056{
3057	if (phy->sas_phy.frame_rcvd[0] == 0x34
3058		&& phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3059		struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3060		/* FIS device-to-host */
3061		u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3062		addr += phy->sas_phy.id;
3063		*(__be64 *)sas_addr = cpu_to_be64(addr);
3064	} else {
3065		struct sas_identify_frame *idframe =
3066			(void *) phy->sas_phy.frame_rcvd;
3067		memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3068	}
3069}
3070
3071/**
3072 * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3073 * @pm8001_ha: our hba card information
3074 * @Qnum: the outbound queue message number.
3075 * @SEA: source of event to ack
3076 * @port_id: port id.
3077 * @phyId: phy id.
3078 * @param0: parameter 0.
3079 * @param1: parameter 1.
3080 */
3081static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3082	u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3083{
3084	struct hw_event_ack_req	 payload;
3085	u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3086
 
 
3087	memset((u8 *)&payload, 0, sizeof(payload));
3088	payload.tag = cpu_to_le32(1);
 
3089	payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3090		((phyId & 0x0F) << 4) | (port_id & 0x0F));
3091	payload.param0 = cpu_to_le32(param0);
3092	payload.param1 = cpu_to_le32(param1);
3093
3094	pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload, sizeof(payload), 0);
3095}
3096
3097static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3098	u32 phyId, u32 phy_op);
3099
3100/**
3101 * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3102 * @pm8001_ha: our hba card information
3103 * @piomb: IO message buffer
3104 */
3105static void
3106hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3107{
3108	struct hw_event_resp *pPayload =
3109		(struct hw_event_resp *)(piomb + 4);
3110	u32 lr_evt_status_phyid_portid =
3111		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3112	u8 link_rate =
3113		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3114	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3115	u8 phy_id =
3116		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3117	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3118	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3119	struct pm8001_port *port = &pm8001_ha->port[port_id];
 
3120	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3121	unsigned long flags;
3122	u8 deviceType = pPayload->sas_identify.dev_type;
3123	phy->port = port;
3124	port->port_id = port_id;
3125	port->port_state =  portstate;
3126	phy->phy_state = PHY_STATE_LINK_UP_SPC;
3127	pm8001_dbg(pm8001_ha, MSG,
3128		   "HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3129		   port_id, phy_id);
3130
3131	switch (deviceType) {
3132	case SAS_PHY_UNUSED:
3133		pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
 
3134		break;
3135	case SAS_END_DEVICE:
3136		pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3137		pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3138			PHY_NOTIFY_ENABLE_SPINUP);
3139		port->port_attached = 1;
3140		pm8001_get_lrate_mode(phy, link_rate);
3141		break;
3142	case SAS_EDGE_EXPANDER_DEVICE:
3143		pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
 
3144		port->port_attached = 1;
3145		pm8001_get_lrate_mode(phy, link_rate);
3146		break;
3147	case SAS_FANOUT_EXPANDER_DEVICE:
3148		pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
 
3149		port->port_attached = 1;
3150		pm8001_get_lrate_mode(phy, link_rate);
3151		break;
3152	default:
3153		pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3154			   deviceType);
3155		break;
3156	}
3157	phy->phy_type |= PORT_TYPE_SAS;
3158	phy->identify.device_type = deviceType;
3159	phy->phy_attached = 1;
3160	if (phy->identify.device_type == SAS_END_DEVICE)
3161		phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3162	else if (phy->identify.device_type != SAS_PHY_UNUSED)
3163		phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3164	phy->sas_phy.oob_mode = SAS_OOB_MODE;
3165	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3166	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3167	memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3168		sizeof(struct sas_identify_frame)-4);
3169	phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3170	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3171	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3172	if (pm8001_ha->flags == PM8001F_RUN_TIME)
3173		mdelay(200);/*delay a moment to wait disk to spinup*/
3174	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3175}
3176
3177/**
3178 * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3179 * @pm8001_ha: our hba card information
3180 * @piomb: IO message buffer
3181 */
3182static void
3183hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3184{
3185	struct hw_event_resp *pPayload =
3186		(struct hw_event_resp *)(piomb + 4);
3187	u32 lr_evt_status_phyid_portid =
3188		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3189	u8 link_rate =
3190		(u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3191	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3192	u8 phy_id =
3193		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3194	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3195	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3196	struct pm8001_port *port = &pm8001_ha->port[port_id];
 
3197	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3198	unsigned long flags;
3199	pm8001_dbg(pm8001_ha, DEVIO, "HW_EVENT_SATA_PHY_UP port id = %d, phy id = %d\n",
3200		   port_id, phy_id);
3201	phy->port = port;
3202	port->port_id = port_id;
3203	port->port_state =  portstate;
3204	phy->phy_state = PHY_STATE_LINK_UP_SPC;
3205	port->port_attached = 1;
3206	pm8001_get_lrate_mode(phy, link_rate);
3207	phy->phy_type |= PORT_TYPE_SATA;
3208	phy->phy_attached = 1;
3209	phy->sas_phy.oob_mode = SATA_OOB_MODE;
3210	sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3211	spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3212	memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3213		sizeof(struct dev_to_host_fis));
3214	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3215	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3216	phy->identify.device_type = SAS_SATA_DEV;
3217	pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3218	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3219	pm8001_bytes_dmaed(pm8001_ha, phy_id);
3220}
3221
3222/**
3223 * hw_event_phy_down -we should notify the libsas the phy is down.
3224 * @pm8001_ha: our hba card information
3225 * @piomb: IO message buffer
3226 */
3227static void
3228hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3229{
3230	struct hw_event_resp *pPayload =
3231		(struct hw_event_resp *)(piomb + 4);
3232	u32 lr_evt_status_phyid_portid =
3233		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3234	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3235	u8 phy_id =
3236		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3237	u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3238	u8 portstate = (u8)(npip_portstate & 0x0000000F);
3239	struct pm8001_port *port = &pm8001_ha->port[port_id];
3240	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3241	port->port_state =  portstate;
3242	phy->phy_type = 0;
3243	phy->identify.device_type = 0;
3244	phy->phy_attached = 0;
3245	memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3246	switch (portstate) {
3247	case PORT_VALID:
3248		break;
3249	case PORT_INVALID:
3250		pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3251			   port_id);
3252		pm8001_dbg(pm8001_ha, MSG,
3253			   " Last phy Down and port invalid\n");
3254		port->port_attached = 0;
3255		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3256			port_id, phy_id, 0, 0);
3257		break;
3258	case PORT_IN_RESET:
3259		pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3260			   port_id);
3261		break;
3262	case PORT_NOT_ESTABLISHED:
3263		pm8001_dbg(pm8001_ha, MSG,
3264			   " phy Down and PORT_NOT_ESTABLISHED\n");
3265		port->port_attached = 0;
3266		break;
3267	case PORT_LOSTCOMM:
3268		pm8001_dbg(pm8001_ha, MSG, " phy Down and PORT_LOSTCOMM\n");
3269		pm8001_dbg(pm8001_ha, MSG,
3270			   " Last phy Down and port invalid\n");
 
3271		port->port_attached = 0;
3272		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3273			port_id, phy_id, 0, 0);
3274		break;
3275	default:
3276		port->port_attached = 0;
3277		pm8001_dbg(pm8001_ha, DEVIO, " phy Down and(default) = %x\n",
3278			   portstate);
 
3279		break;
3280
3281	}
3282}
3283
3284/**
3285 * pm8001_mpi_reg_resp -process register device ID response.
3286 * @pm8001_ha: our hba card information
3287 * @piomb: IO message buffer
3288 *
3289 * when sas layer find a device it will notify LLDD, then the driver register
3290 * the domain device to FW, this event is the return device ID which the FW
3291 * has assigned, from now, inter-communication with FW is no longer using the
3292 * SAS address, use device ID which FW assigned.
3293 */
3294int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3295{
3296	u32 status;
3297	u32 device_id;
3298	u32 htag;
3299	struct pm8001_ccb_info *ccb;
3300	struct pm8001_device *pm8001_dev;
3301	struct dev_reg_resp *registerRespPayload =
3302		(struct dev_reg_resp *)(piomb + 4);
3303
3304	htag = le32_to_cpu(registerRespPayload->tag);
3305	ccb = &pm8001_ha->ccb_info[htag];
3306	pm8001_dev = ccb->device;
3307	status = le32_to_cpu(registerRespPayload->status);
3308	device_id = le32_to_cpu(registerRespPayload->device_id);
3309	pm8001_dbg(pm8001_ha, INIT,
3310		   "register device status %d phy_id 0x%x device_id %d\n",
3311		   status, pm8001_dev->attached_phy, device_id);
3312	switch (status) {
3313	case DEVREG_SUCCESS:
3314		pm8001_dbg(pm8001_ha, MSG, "DEVREG_SUCCESS\n");
3315		pm8001_dev->device_id = device_id;
3316		break;
3317	case DEVREG_FAILURE_OUT_OF_RESOURCE:
3318		pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_OUT_OF_RESOURCE\n");
 
3319		break;
3320	case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3321		pm8001_dbg(pm8001_ha, MSG,
3322			   "DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n");
3323		break;
3324	case DEVREG_FAILURE_INVALID_PHY_ID:
3325		pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_INVALID_PHY_ID\n");
 
3326		break;
3327	case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3328		pm8001_dbg(pm8001_ha, MSG,
3329			   "DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n");
3330		break;
3331	case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3332		pm8001_dbg(pm8001_ha, MSG,
3333			   "DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n");
3334		break;
3335	case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3336		pm8001_dbg(pm8001_ha, MSG,
3337			   "DEVREG_FAILURE_PORT_NOT_VALID_STATE\n");
3338		break;
3339	case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3340		pm8001_dbg(pm8001_ha, MSG,
3341			   "DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n");
3342		break;
3343	default:
3344		pm8001_dbg(pm8001_ha, MSG,
3345			   "DEVREG_FAILURE_DEVICE_TYPE_NOT_SUPPORTED\n");
3346		break;
3347	}
3348	complete(pm8001_dev->dcompletion);
3349	pm8001_ccb_free(pm8001_ha, ccb);
 
 
3350	return 0;
3351}
3352
3353int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3354{
3355	u32 status;
3356	u32 device_id;
3357	struct dev_reg_resp *registerRespPayload =
3358		(struct dev_reg_resp *)(piomb + 4);
3359
3360	status = le32_to_cpu(registerRespPayload->status);
3361	device_id = le32_to_cpu(registerRespPayload->device_id);
3362	if (status != 0)
3363		pm8001_dbg(pm8001_ha, MSG,
3364			   " deregister device failed ,status = %x, device_id = %x\n",
3365			   status, device_id);
3366	return 0;
3367}
3368
3369/**
3370 * pm8001_mpi_fw_flash_update_resp - Response from FW for flash update command.
3371 * @pm8001_ha: our hba card information
3372 * @piomb: IO message buffer
3373 */
3374int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3375		void *piomb)
3376{
3377	u32 status;
 
3378	struct fw_flash_Update_resp *ppayload =
3379		(struct fw_flash_Update_resp *)(piomb + 4);
3380	u32 tag = le32_to_cpu(ppayload->tag);
3381	struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3382
3383	status = le32_to_cpu(ppayload->status);
 
 
 
3384	switch (status) {
3385	case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3386		pm8001_dbg(pm8001_ha, MSG,
3387			   ": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n");
3388		break;
3389	case FLASH_UPDATE_IN_PROGRESS:
3390		pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_IN_PROGRESS\n");
 
3391		break;
3392	case FLASH_UPDATE_HDR_ERR:
3393		pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HDR_ERR\n");
 
3394		break;
3395	case FLASH_UPDATE_OFFSET_ERR:
3396		pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_OFFSET_ERR\n");
 
3397		break;
3398	case FLASH_UPDATE_CRC_ERR:
3399		pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_CRC_ERR\n");
 
3400		break;
3401	case FLASH_UPDATE_LENGTH_ERR:
3402		pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_LENGTH_ERR\n");
 
3403		break;
3404	case FLASH_UPDATE_HW_ERR:
3405		pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HW_ERR\n");
 
3406		break;
3407	case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3408		pm8001_dbg(pm8001_ha, MSG,
3409			   ": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n");
3410		break;
3411	case FLASH_UPDATE_DISABLED:
3412		pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_DISABLED\n");
 
3413		break;
3414	default:
3415		pm8001_dbg(pm8001_ha, DEVIO, "No matched status = %d\n",
3416			   status);
3417		break;
3418	}
3419	kfree(ccb->fw_control_context);
3420	pm8001_ccb_free(pm8001_ha, ccb);
 
 
 
3421	complete(pm8001_ha->nvmd_completion);
 
 
 
3422	return 0;
3423}
3424
3425int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
 
3426{
3427	u32 status;
3428	int i;
3429	struct general_event_resp *pPayload =
3430		(struct general_event_resp *)(piomb + 4);
3431	status = le32_to_cpu(pPayload->status);
3432	pm8001_dbg(pm8001_ha, MSG, " status = 0x%x\n", status);
 
3433	for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3434		pm8001_dbg(pm8001_ha, MSG, "inb_IOMB_payload[0x%x] 0x%x,\n",
3435			   i,
3436			   pPayload->inb_IOMB_payload[i]);
3437	return 0;
3438}
3439
3440int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 
3441{
3442	struct sas_task *t;
3443	struct pm8001_ccb_info *ccb;
3444	unsigned long flags;
3445	u32 status ;
3446	u32 tag, scp;
3447	struct task_status_struct *ts;
3448	struct pm8001_device *pm8001_dev;
3449
3450	struct task_abort_resp *pPayload =
3451		(struct task_abort_resp *)(piomb + 4);
 
 
 
3452
3453	status = le32_to_cpu(pPayload->status);
3454	tag = le32_to_cpu(pPayload->tag);
3455
3456	scp = le32_to_cpu(pPayload->scp);
3457	ccb = &pm8001_ha->ccb_info[tag];
3458	t = ccb->task;
3459	pm8001_dev = ccb->device; /* retrieve device */
3460
3461	if (!t)	{
3462		pm8001_dbg(pm8001_ha, FAIL, " TASK NULL. RETURNING !!!\n");
3463		return -1;
3464	}
3465
3466	if (t->task_proto == SAS_PROTOCOL_INTERNAL_ABORT)
3467		atomic_dec(&pm8001_dev->running_req);
3468
3469	ts = &t->task_status;
3470	if (status != 0)
3471		pm8001_dbg(pm8001_ha, FAIL, "task abort failed status 0x%x ,tag = 0x%x, scp= 0x%x\n",
3472			   status, tag, scp);
 
3473	switch (status) {
3474	case IO_SUCCESS:
3475		pm8001_dbg(pm8001_ha, EH, "IO_SUCCESS\n");
3476		ts->resp = SAS_TASK_COMPLETE;
3477		ts->stat = SAS_SAM_STAT_GOOD;
3478		break;
3479	case IO_NOT_VALID:
3480		pm8001_dbg(pm8001_ha, EH, "IO_NOT_VALID\n");
3481		ts->resp = TMF_RESP_FUNC_FAILED;
3482		break;
3483	}
3484	spin_lock_irqsave(&t->task_state_lock, flags);
3485	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
 
3486	t->task_state_flags |= SAS_TASK_STATE_DONE;
3487	spin_unlock_irqrestore(&t->task_state_lock, flags);
3488	pm8001_ccb_task_free(pm8001_ha, ccb);
3489	mb();
3490
3491	t->task_done(t);
3492
3493	return 0;
3494}
3495
3496/**
3497 * mpi_hw_event -The hw event has come.
3498 * @pm8001_ha: our hba card information
3499 * @piomb: IO message buffer
3500 */
3501static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3502{
3503	unsigned long flags;
3504	struct hw_event_resp *pPayload =
3505		(struct hw_event_resp *)(piomb + 4);
3506	u32 lr_evt_status_phyid_portid =
3507		le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3508	u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3509	u8 phy_id =
3510		(u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3511	u16 eventType =
3512		(u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3513	u8 status =
3514		(u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3515	struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3516	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3517	struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3518	pm8001_dbg(pm8001_ha, DEVIO,
3519		   "SPC HW event for portid:%d, phyid:%d, event:%x, status:%x\n",
3520		   port_id, phy_id, eventType, status);
3521	switch (eventType) {
3522	case HW_EVENT_PHY_START_STATUS:
3523		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS status = %x\n",
3524			   status);
3525		if (status == 0)
 
3526			phy->phy_state = 1;
3527
3528		if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3529				phy->enable_completion != NULL) {
3530			complete(phy->enable_completion);
3531			phy->enable_completion = NULL;
3532		}
3533		break;
3534	case HW_EVENT_SAS_PHY_UP:
3535		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
 
3536		hw_event_sas_phy_up(pm8001_ha, piomb);
3537		break;
3538	case HW_EVENT_SATA_PHY_UP:
3539		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
 
3540		hw_event_sata_phy_up(pm8001_ha, piomb);
3541		break;
3542	case HW_EVENT_PHY_STOP_STATUS:
3543		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_STOP_STATUS status = %x\n",
3544			   status);
 
3545		if (status == 0)
3546			phy->phy_state = 0;
3547		break;
3548	case HW_EVENT_SATA_SPINUP_HOLD:
3549		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3550		sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3551			GFP_ATOMIC);
3552		break;
3553	case HW_EVENT_PHY_DOWN:
3554		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3555		sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3556			GFP_ATOMIC);
3557		phy->phy_attached = 0;
3558		phy->phy_state = 0;
3559		hw_event_phy_down(pm8001_ha, piomb);
3560		break;
3561	case HW_EVENT_PORT_INVALID:
3562		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
 
3563		sas_phy_disconnected(sas_phy);
3564		phy->phy_attached = 0;
3565		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3566			GFP_ATOMIC);
3567		break;
3568	/* the broadcast change primitive received, tell the LIBSAS this event
3569	to revalidate the sas domain*/
3570	case HW_EVENT_BROADCAST_CHANGE:
3571		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
 
3572		pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3573			port_id, phy_id, 1, 0);
3574		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3575		sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3576		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3577		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3578			GFP_ATOMIC);
3579		break;
3580	case HW_EVENT_PHY_ERROR:
3581		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
 
3582		sas_phy_disconnected(&phy->sas_phy);
3583		phy->phy_attached = 0;
3584		sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3585		break;
3586	case HW_EVENT_BROADCAST_EXP:
3587		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
 
3588		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3589		sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3590		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3591		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3592			GFP_ATOMIC);
3593		break;
3594	case HW_EVENT_LINK_ERR_INVALID_DWORD:
3595		pm8001_dbg(pm8001_ha, MSG,
3596			   "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3597		pm8001_hw_event_ack_req(pm8001_ha, 0,
3598			HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3599		sas_phy_disconnected(sas_phy);
3600		phy->phy_attached = 0;
3601		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3602			GFP_ATOMIC);
3603		break;
3604	case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3605		pm8001_dbg(pm8001_ha, MSG,
3606			   "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3607		pm8001_hw_event_ack_req(pm8001_ha, 0,
3608			HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3609			port_id, phy_id, 0, 0);
3610		sas_phy_disconnected(sas_phy);
3611		phy->phy_attached = 0;
3612		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3613			GFP_ATOMIC);
3614		break;
3615	case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3616		pm8001_dbg(pm8001_ha, MSG,
3617			   "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3618		pm8001_hw_event_ack_req(pm8001_ha, 0,
3619			HW_EVENT_LINK_ERR_CODE_VIOLATION,
3620			port_id, phy_id, 0, 0);
3621		sas_phy_disconnected(sas_phy);
3622		phy->phy_attached = 0;
3623		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3624			GFP_ATOMIC);
3625		break;
3626	case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3627		pm8001_dbg(pm8001_ha, MSG,
3628			   "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3629		pm8001_hw_event_ack_req(pm8001_ha, 0,
3630			HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3631			port_id, phy_id, 0, 0);
3632		sas_phy_disconnected(sas_phy);
3633		phy->phy_attached = 0;
3634		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3635			GFP_ATOMIC);
3636		break;
3637	case HW_EVENT_MALFUNCTION:
3638		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
 
3639		break;
3640	case HW_EVENT_BROADCAST_SES:
3641		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
 
3642		spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3643		sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3644		spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3645		sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3646			GFP_ATOMIC);
3647		break;
3648	case HW_EVENT_INBOUND_CRC_ERROR:
3649		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
 
3650		pm8001_hw_event_ack_req(pm8001_ha, 0,
3651			HW_EVENT_INBOUND_CRC_ERROR,
3652			port_id, phy_id, 0, 0);
3653		break;
3654	case HW_EVENT_HARD_RESET_RECEIVED:
3655		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3656		sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
 
3657		break;
3658	case HW_EVENT_ID_FRAME_TIMEOUT:
3659		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
 
3660		sas_phy_disconnected(sas_phy);
3661		phy->phy_attached = 0;
3662		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3663			GFP_ATOMIC);
3664		break;
3665	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3666		pm8001_dbg(pm8001_ha, MSG,
3667			   "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3668		pm8001_hw_event_ack_req(pm8001_ha, 0,
3669			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3670			port_id, phy_id, 0, 0);
3671		sas_phy_disconnected(sas_phy);
3672		phy->phy_attached = 0;
3673		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3674			GFP_ATOMIC);
3675		break;
3676	case HW_EVENT_PORT_RESET_TIMER_TMO:
3677		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
 
3678		sas_phy_disconnected(sas_phy);
3679		phy->phy_attached = 0;
3680		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3681			GFP_ATOMIC);
3682		break;
3683	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3684		pm8001_dbg(pm8001_ha, MSG,
3685			   "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3686		sas_phy_disconnected(sas_phy);
3687		phy->phy_attached = 0;
3688		sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3689			GFP_ATOMIC);
3690		break;
3691	case HW_EVENT_PORT_RECOVER:
3692		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
 
3693		break;
3694	case HW_EVENT_PORT_RESET_COMPLETE:
3695		pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
 
3696		break;
3697	case EVENT_BROADCAST_ASYNCH_EVENT:
3698		pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
 
3699		break;
3700	default:
3701		pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type = %x\n",
3702			   eventType);
3703		break;
3704	}
3705	return 0;
3706}
3707
3708/**
3709 * process_one_iomb - process one outbound Queue memory block
3710 * @pm8001_ha: our hba card information
3711 * @piomb: IO message buffer
3712 */
3713static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3714{
3715	__le32 pHeader = *(__le32 *)piomb;
3716	u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3717
3718	pm8001_dbg(pm8001_ha, MSG, "process_one_iomb:\n");
3719
3720	switch (opc) {
3721	case OPC_OUB_ECHO:
3722		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3723		break;
3724	case OPC_OUB_HW_EVENT:
3725		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
 
3726		mpi_hw_event(pm8001_ha, piomb);
3727		break;
3728	case OPC_OUB_SSP_COMP:
3729		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
 
3730		mpi_ssp_completion(pm8001_ha, piomb);
3731		break;
3732	case OPC_OUB_SMP_COMP:
3733		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
 
3734		mpi_smp_completion(pm8001_ha, piomb);
3735		break;
3736	case OPC_OUB_LOCAL_PHY_CNTRL:
3737		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3738		pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
 
3739		break;
3740	case OPC_OUB_DEV_REGIST:
3741		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3742		pm8001_mpi_reg_resp(pm8001_ha, piomb);
 
3743		break;
3744	case OPC_OUB_DEREG_DEV:
3745		pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3746		pm8001_mpi_dereg_resp(pm8001_ha, piomb);
 
3747		break;
3748	case OPC_OUB_GET_DEV_HANDLE:
3749		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
 
3750		break;
3751	case OPC_OUB_SATA_COMP:
3752		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
 
3753		mpi_sata_completion(pm8001_ha, piomb);
3754		break;
3755	case OPC_OUB_SATA_EVENT:
3756		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
 
3757		mpi_sata_event(pm8001_ha, piomb);
3758		break;
3759	case OPC_OUB_SSP_EVENT:
3760		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
 
3761		mpi_ssp_event(pm8001_ha, piomb);
3762		break;
3763	case OPC_OUB_DEV_HANDLE_ARRIV:
3764		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
 
3765		/*This is for target*/
3766		break;
3767	case OPC_OUB_SSP_RECV_EVENT:
3768		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
 
3769		/*This is for target*/
3770		break;
3771	case OPC_OUB_DEV_INFO:
3772		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_INFO\n");
 
3773		break;
3774	case OPC_OUB_FW_FLASH_UPDATE:
3775		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3776		pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
 
3777		break;
3778	case OPC_OUB_GPIO_RESPONSE:
3779		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
 
3780		break;
3781	case OPC_OUB_GPIO_EVENT:
3782		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
 
3783		break;
3784	case OPC_OUB_GENERAL_EVENT:
3785		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3786		pm8001_mpi_general_event(pm8001_ha, piomb);
 
3787		break;
3788	case OPC_OUB_SSP_ABORT_RSP:
3789		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3790		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
 
3791		break;
3792	case OPC_OUB_SATA_ABORT_RSP:
3793		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3794		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
 
3795		break;
3796	case OPC_OUB_SAS_DIAG_MODE_START_END:
3797		pm8001_dbg(pm8001_ha, MSG,
3798			   "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3799		break;
3800	case OPC_OUB_SAS_DIAG_EXECUTE:
3801		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
 
3802		break;
3803	case OPC_OUB_GET_TIME_STAMP:
3804		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
 
3805		break;
3806	case OPC_OUB_SAS_HW_EVENT_ACK:
3807		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
 
3808		break;
3809	case OPC_OUB_PORT_CONTROL:
3810		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
 
3811		break;
3812	case OPC_OUB_SMP_ABORT_RSP:
3813		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3814		pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
 
3815		break;
3816	case OPC_OUB_GET_NVMD_DATA:
3817		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3818		pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
 
3819		break;
3820	case OPC_OUB_SET_NVMD_DATA:
3821		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3822		pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
 
3823		break;
3824	case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3825		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
 
3826		break;
3827	case OPC_OUB_SET_DEVICE_STATE:
3828		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
3829		pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
 
3830		break;
3831	case OPC_OUB_GET_DEVICE_STATE:
3832		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
 
3833		break;
3834	case OPC_OUB_SET_DEV_INFO:
3835		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
 
3836		break;
3837	case OPC_OUB_SAS_RE_INITIALIZE:
3838		pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_RE_INITIALIZE\n");
 
3839		break;
3840	default:
3841		pm8001_dbg(pm8001_ha, DEVIO,
3842			   "Unknown outbound Queue IOMB OPC = %x\n",
3843			   opc);
3844		break;
3845	}
3846}
3847
3848static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3849{
3850	struct outbound_queue_table *circularQ;
3851	void *pMsg1 = NULL;
3852	u8 bc;
3853	u32 ret = MPI_IO_STATUS_FAIL;
3854	unsigned long flags;
3855
3856	spin_lock_irqsave(&pm8001_ha->lock, flags);
3857	circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3858	do {
3859		ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3860		if (MPI_IO_STATUS_SUCCESS == ret) {
3861			/* process the outbound message */
3862			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3863			/* free the message from the outbound circular buffer */
3864			pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3865							circularQ, bc);
3866		}
3867		if (MPI_IO_STATUS_BUSY == ret) {
 
3868			/* Update the producer index from SPC */
3869			circularQ->producer_index =
3870				cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3871			if (le32_to_cpu(circularQ->producer_index) ==
3872				circularQ->consumer_idx)
3873				/* OQ is empty */
3874				break;
3875		}
3876	} while (1);
3877	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3878	return ret;
3879}
3880
3881/* DMA_... to our direction translation. */
3882static const u8 data_dir_flags[] = {
3883	[DMA_BIDIRECTIONAL]	= DATA_DIR_BYRECIPIENT,	/* UNSPECIFIED */
3884	[DMA_TO_DEVICE]		= DATA_DIR_OUT,		/* OUTBOUND */
3885	[DMA_FROM_DEVICE]	= DATA_DIR_IN,		/* INBOUND */
3886	[DMA_NONE]		= DATA_DIR_NONE,	/* NO TRANSFER */
3887};
3888void
3889pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
3890{
3891	int i;
3892	struct scatterlist *sg;
3893	struct pm8001_prd *buf_prd = prd;
3894
3895	for_each_sg(scatter, sg, nr, i) {
3896		buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
3897		buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
3898		buf_prd->im_len.e = 0;
3899		buf_prd++;
3900	}
3901}
3902
3903static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
3904{
3905	psmp_cmd->tag = hTag;
3906	psmp_cmd->device_id = cpu_to_le32(deviceID);
3907	psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3908}
3909
3910/**
3911 * pm8001_chip_smp_req - send a SMP task to FW
3912 * @pm8001_ha: our hba card information.
3913 * @ccb: the ccb information this request used.
3914 */
3915static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3916	struct pm8001_ccb_info *ccb)
3917{
3918	int elem, rc;
3919	struct sas_task *task = ccb->task;
3920	struct domain_device *dev = task->dev;
3921	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3922	struct scatterlist *sg_req, *sg_resp;
3923	u32 req_len, resp_len;
3924	struct smp_req smp_cmd;
3925	u32 opc;
 
3926
3927	memset(&smp_cmd, 0, sizeof(smp_cmd));
3928	/*
3929	 * DMA-map SMP request, response buffers
3930	 */
3931	sg_req = &task->smp_task.smp_req;
3932	elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
3933	if (!elem)
3934		return -ENOMEM;
3935	req_len = sg_dma_len(sg_req);
3936
3937	sg_resp = &task->smp_task.smp_resp;
3938	elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
3939	if (!elem) {
3940		rc = -ENOMEM;
3941		goto err_out;
3942	}
3943	resp_len = sg_dma_len(sg_resp);
3944	/* must be in dwords */
3945	if ((req_len & 0x3) || (resp_len & 0x3)) {
3946		rc = -EINVAL;
3947		goto err_out_2;
3948	}
3949
3950	opc = OPC_INB_SMP_REQUEST;
 
3951	smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3952	smp_cmd.long_smp_req.long_req_addr =
3953		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3954	smp_cmd.long_smp_req.long_req_size =
3955		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3956	smp_cmd.long_smp_req.long_resp_addr =
3957		cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
3958	smp_cmd.long_smp_req.long_resp_size =
3959		cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3960	build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
3961	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc,
3962				  &smp_cmd, sizeof(smp_cmd), 0);
3963	if (rc)
3964		goto err_out_2;
3965
3966	return 0;
3967
3968err_out_2:
3969	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3970			DMA_FROM_DEVICE);
3971err_out:
3972	dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3973			DMA_TO_DEVICE);
3974	return rc;
3975}
3976
3977/**
3978 * pm8001_chip_ssp_io_req - send a SSP task to FW
3979 * @pm8001_ha: our hba card information.
3980 * @ccb: the ccb information this request used.
3981 */
3982static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
3983	struct pm8001_ccb_info *ccb)
3984{
3985	struct sas_task *task = ccb->task;
3986	struct domain_device *dev = task->dev;
3987	struct pm8001_device *pm8001_dev = dev->lldd_dev;
3988	struct ssp_ini_io_start_req ssp_cmd;
3989	u32 tag = ccb->ccb_tag;
3990	u64 phys_addr;
 
 
3991	u32 opc = OPC_INB_SSPINIIOSTART;
3992	memset(&ssp_cmd, 0, sizeof(ssp_cmd));
3993	memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
3994	ssp_cmd.dir_m_tlr =
3995		cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
3996	SAS 1.1 compatible TLR*/
3997	ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
3998	ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
3999	ssp_cmd.tag = cpu_to_le32(tag);
 
 
 
4000	ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4001	memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4002	       task->ssp_task.cmd->cmd_len);
4003
4004	/* fill in PRD (scatter/gather) table, if any */
4005	if (task->num_scatter > 1) {
4006		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4007		phys_addr = ccb->ccb_dma_handle;
4008		ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4009		ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
 
4010		ssp_cmd.esgl = cpu_to_le32(1<<31);
4011	} else if (task->num_scatter == 1) {
4012		u64 dma_addr = sg_dma_address(task->scatter);
4013		ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4014		ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4015		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4016		ssp_cmd.esgl = 0;
4017	} else if (task->num_scatter == 0) {
4018		ssp_cmd.addr_low = 0;
4019		ssp_cmd.addr_high = 0;
4020		ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4021		ssp_cmd.esgl = 0;
4022	}
4023
4024	return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &ssp_cmd,
4025				    sizeof(ssp_cmd), 0);
4026}
4027
4028static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4029	struct pm8001_ccb_info *ccb)
4030{
4031	struct sas_task *task = ccb->task;
4032	struct domain_device *dev = task->dev;
4033	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4034	u32 tag = ccb->ccb_tag;
 
4035	struct sata_start_req sata_cmd;
4036	u32 hdr_tag, ncg_tag = 0;
4037	u64 phys_addr;
4038	u32 ATAP = 0x0;
4039	u32 dir, retfis = 0;
 
4040	u32  opc = OPC_INB_SATA_HOST_OPSTART;
4041
4042	memset(&sata_cmd, 0, sizeof(sata_cmd));
4043
4044	if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) {
4045		ATAP = 0x04;  /* no data*/
4046		pm8001_dbg(pm8001_ha, IO, "no data\n");
4047	} else if (likely(!task->ata_task.device_control_reg_update)) {
4048		if (task->ata_task.use_ncq &&
4049		    dev->sata_dev.class != ATA_DEV_ATAPI) {
4050			ATAP = 0x07; /* FPDMA */
4051			pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4052		} else if (task->ata_task.dma_xfer) {
4053			ATAP = 0x06; /* DMA */
4054			pm8001_dbg(pm8001_ha, IO, "DMA\n");
4055		} else {
4056			ATAP = 0x05; /* PIO*/
4057			pm8001_dbg(pm8001_ha, IO, "PIO\n");
 
 
 
 
 
4058		}
4059	}
4060	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4061		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4062		ncg_tag = hdr_tag;
4063	}
4064	dir = data_dir_flags[task->data_dir] << 8;
4065	sata_cmd.tag = cpu_to_le32(tag);
4066	sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4067	sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4068	if (task->ata_task.return_fis_on_success)
4069		retfis = 1;
4070	sata_cmd.retfis_ncqtag_atap_dir_m =
4071		cpu_to_le32((retfis << 24) | ((ncg_tag & 0xff) << 16) |
4072			    ((ATAP & 0x3f) << 10) | dir);
4073	sata_cmd.sata_fis = task->ata_task.fis;
4074	if (likely(!task->ata_task.device_control_reg_update))
4075		sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4076	sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4077	/* fill in PRD (scatter/gather) table, if any */
4078	if (task->num_scatter > 1) {
4079		pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4080		phys_addr = ccb->ccb_dma_handle;
 
4081		sata_cmd.addr_low = lower_32_bits(phys_addr);
4082		sata_cmd.addr_high = upper_32_bits(phys_addr);
4083		sata_cmd.esgl = cpu_to_le32(1 << 31);
4084	} else if (task->num_scatter == 1) {
4085		u64 dma_addr = sg_dma_address(task->scatter);
4086		sata_cmd.addr_low = lower_32_bits(dma_addr);
4087		sata_cmd.addr_high = upper_32_bits(dma_addr);
4088		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4089		sata_cmd.esgl = 0;
4090	} else if (task->num_scatter == 0) {
4091		sata_cmd.addr_low = 0;
4092		sata_cmd.addr_high = 0;
4093		sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4094		sata_cmd.esgl = 0;
4095	}
4096
4097	return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
4098				    sizeof(sata_cmd), 0);
4099}
4100
4101/**
4102 * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4103 * @pm8001_ha: our hba card information.
 
4104 * @phy_id: the phy id which we wanted to start up.
4105 */
4106static int
4107pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4108{
4109	struct phy_start_req payload;
 
 
4110	u32 tag = 0x01;
4111	u32 opcode = OPC_INB_PHYSTART;
4112
4113	memset(&payload, 0, sizeof(payload));
4114	payload.tag = cpu_to_le32(tag);
4115	/*
4116	 ** [0:7]   PHY Identifier
4117	 ** [8:11]  link rate 1.5G, 3G, 6G
4118	 ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4119	 ** [14]    0b disable spin up hold; 1b enable spin up hold
4120	 */
4121	payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4122		LINKMODE_AUTO |	LINKRATE_15 |
4123		LINKRATE_30 | LINKRATE_60 | phy_id);
4124	payload.sas_identify.dev_type = SAS_END_DEVICE;
4125	payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4126	memcpy(payload.sas_identify.sas_addr,
4127		&pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
4128	payload.sas_identify.phy_id = phy_id;
4129
4130	return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4131				    sizeof(payload), 0);
4132}
4133
4134/**
4135 * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4136 * @pm8001_ha: our hba card information.
 
4137 * @phy_id: the phy id which we wanted to start up.
4138 */
4139static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4140				    u8 phy_id)
4141{
4142	struct phy_stop_req payload;
 
 
4143	u32 tag = 0x01;
4144	u32 opcode = OPC_INB_PHYSTOP;
4145
4146	memset(&payload, 0, sizeof(payload));
4147	payload.tag = cpu_to_le32(tag);
4148	payload.phy_id = cpu_to_le32(phy_id);
4149
4150	return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4151				    sizeof(payload), 0);
4152}
4153
4154/*
4155 * see comments on pm8001_mpi_reg_resp.
4156 */
4157static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4158	struct pm8001_device *pm8001_dev, u32 flag)
4159{
4160	struct reg_dev_req payload;
4161	u32	opc;
4162	u32 stp_sspsmp_sata = 0x4;
 
4163	u32 linkrate, phy_id;
4164	int rc;
4165	struct pm8001_ccb_info *ccb;
4166	u8 retryFlag = 0x1;
4167	u16 firstBurstSize = 0;
4168	u16 ITNT = 2000;
4169	struct domain_device *dev = pm8001_dev->sas_device;
4170	struct domain_device *parent_dev = dev->parent;
4171	struct pm8001_port *port = dev->port->lldd_port;
4172
4173	memset(&payload, 0, sizeof(payload));
4174	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4175	if (!ccb)
4176		return -SAS_QUEUE_FULL;
4177
4178	payload.tag = cpu_to_le32(ccb->ccb_tag);
 
 
4179	if (flag == 1)
4180		stp_sspsmp_sata = 0x02; /*direct attached sata */
4181	else {
4182		if (pm8001_dev->dev_type == SAS_SATA_DEV)
4183			stp_sspsmp_sata = 0x00; /* stp*/
4184		else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4185			dev_is_expander(pm8001_dev->dev_type))
 
4186			stp_sspsmp_sata = 0x01; /*ssp or smp*/
4187	}
4188	if (parent_dev && dev_is_expander(parent_dev->dev_type))
4189		phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4190	else
4191		phy_id = pm8001_dev->attached_phy;
4192	opc = OPC_INB_REG_DEV;
4193	linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4194			pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4195	payload.phyid_portid =
4196		cpu_to_le32(((port->port_id) & 0x0F) |
4197		((phy_id & 0x0F) << 4));
4198	payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4199		((linkrate & 0x0F) * 0x1000000) |
4200		((stp_sspsmp_sata & 0x03) * 0x10000000));
4201	payload.firstburstsize_ITNexustimeout =
4202		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4203	memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4204		SAS_ADDR_SIZE);
4205
4206	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4207				  sizeof(payload), 0);
4208	if (rc)
4209		pm8001_ccb_free(pm8001_ha, ccb);
4210
4211	return rc;
4212}
4213
4214/*
4215 * see comments on pm8001_mpi_reg_resp.
4216 */
4217int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4218	u32 device_id)
4219{
4220	struct dereg_dev_req payload;
4221	u32 opc = OPC_INB_DEREG_DEV_HANDLE;
 
 
4222
 
4223	memset(&payload, 0, sizeof(payload));
4224	payload.tag = cpu_to_le32(1);
4225	payload.device_id = cpu_to_le32(device_id);
4226	pm8001_dbg(pm8001_ha, INIT, "unregister device device_id %d\n",
4227		   device_id);
4228
4229	return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4230				    sizeof(payload), 0);
4231}
4232
4233/**
4234 * pm8001_chip_phy_ctl_req - support the local phy operation
4235 * @pm8001_ha: our hba card information.
4236 * @phyId: the phy id which we wanted to operate
4237 * @phy_op: the phy operation to request
 
4238 */
4239static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4240	u32 phyId, u32 phy_op)
4241{
4242	struct local_phy_ctl_req payload;
 
 
4243	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4244
4245	memset(&payload, 0, sizeof(payload));
4246	payload.tag = cpu_to_le32(1);
 
4247	payload.phyop_phyid =
4248		cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4249
4250	return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4251				    sizeof(payload), 0);
4252}
4253
4254static u32 pm8001_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4255{
4256	u32 value;
4257
4258	if (pm8001_ha->use_msix)
4259		return 1;
4260
4261	value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4262	if (value)
4263		return 1;
4264	return 0;
 
4265}
4266
4267/**
4268 * pm8001_chip_isr - PM8001 isr handler.
4269 * @pm8001_ha: our hba card information.
4270 * @vec: IRQ number
 
4271 */
4272static irqreturn_t
4273pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4274{
4275	pm8001_chip_interrupt_disable(pm8001_ha, vec);
4276	pm8001_dbg(pm8001_ha, DEVIO,
4277		   "irq vec %d, ODMR:0x%x\n",
4278		   vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4279	process_oq(pm8001_ha, vec);
4280	pm8001_chip_interrupt_enable(pm8001_ha, vec);
4281	return IRQ_HANDLED;
4282}
4283
4284static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4285	u32 dev_id, enum sas_internal_abort type, u32 task_tag, u32 cmd_tag)
4286{
4287	struct task_abort_req task_abort;
4288
 
 
4289	memset(&task_abort, 0, sizeof(task_abort));
4290	if (type == SAS_INTERNAL_ABORT_SINGLE) {
4291		task_abort.abort_all = 0;
4292		task_abort.device_id = cpu_to_le32(dev_id);
4293		task_abort.tag_to_abort = cpu_to_le32(task_tag);
4294	} else if (type == SAS_INTERNAL_ABORT_DEV) {
 
4295		task_abort.abort_all = cpu_to_le32(1);
4296		task_abort.device_id = cpu_to_le32(dev_id);
4297	} else {
4298		pm8001_dbg(pm8001_ha, EH, "unknown type (%d)\n", type);
4299		return -EIO;
4300	}
4301
4302	task_abort.tag = cpu_to_le32(cmd_tag);
4303
4304	return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
4305				    sizeof(task_abort), 0);
4306}
4307
4308/*
4309 * pm8001_chip_abort_task - SAS abort task when error or exception happened.
 
 
4310 */
4311int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4312	struct pm8001_ccb_info *ccb)
4313{
4314	struct sas_task *task = ccb->task;
4315	struct sas_internal_abort_task *abort = &task->abort_task;
4316	struct pm8001_device *pm8001_dev = ccb->device;
4317	int rc = TMF_RESP_FUNC_FAILED;
4318	u32 opc, device_id;
4319
4320	pm8001_dbg(pm8001_ha, EH, "cmd_tag = %x, abort task tag = 0x%x\n",
4321		   ccb->ccb_tag, abort->tag);
4322	if (pm8001_dev->dev_type == SAS_END_DEVICE)
4323		opc = OPC_INB_SSP_ABORT;
4324	else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4325		opc = OPC_INB_SATA_ABORT;
4326	else
4327		opc = OPC_INB_SMP_ABORT;/* SMP */
4328	device_id = pm8001_dev->device_id;
4329	rc = send_task_abort(pm8001_ha, opc, device_id, abort->type,
4330			     abort->tag, ccb->ccb_tag);
4331	if (rc != TMF_RESP_FUNC_COMPLETE)
4332		pm8001_dbg(pm8001_ha, EH, "rc= %d\n", rc);
4333	return rc;
4334}
4335
4336/**
4337 * pm8001_chip_ssp_tm_req - built the task management command.
4338 * @pm8001_ha: our hba card information.
4339 * @ccb: the ccb information.
4340 * @tmf: task management function.
4341 */
4342int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4343	struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf)
4344{
4345	struct sas_task *task = ccb->task;
4346	struct domain_device *dev = task->dev;
4347	struct pm8001_device *pm8001_dev = dev->lldd_dev;
4348	u32 opc = OPC_INB_SSPINITMSTART;
 
4349	struct ssp_ini_tm_start_req sspTMCmd;
 
4350
4351	memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4352	sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4353	sspTMCmd.relate_tag = cpu_to_le32((u32)tmf->tag_of_task_to_be_managed);
4354	sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4355	memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4356	sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4357	if (pm8001_ha->chip_id != chip_8001)
4358		sspTMCmd.ds_ads_m = cpu_to_le32(0x08);
4359
4360	return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sspTMCmd,
4361				    sizeof(sspTMCmd), 0);
4362}
4363
4364int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4365	void *payload)
4366{
4367	u32 opc = OPC_INB_GET_NVMD_DATA;
4368	u32 nvmd_type;
4369	int rc;
 
4370	struct pm8001_ccb_info *ccb;
 
4371	struct get_nvm_data_req nvmd_req;
4372	struct fw_control_ex *fw_control_context;
4373	struct pm8001_ioctl_payload *ioctl_payload = payload;
4374
4375	nvmd_type = ioctl_payload->minor_function;
4376	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4377	if (!fw_control_context)
4378		return -ENOMEM;
4379	fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4380	fw_control_context->len = ioctl_payload->rd_length;
 
4381	memset(&nvmd_req, 0, sizeof(nvmd_req));
4382
4383	ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4384	if (!ccb) {
4385		kfree(fw_control_context);
4386		return -SAS_QUEUE_FULL;
4387	}
 
 
4388	ccb->fw_control_context = fw_control_context;
4389
4390	nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4391
4392	switch (nvmd_type) {
4393	case TWI_DEVICE: {
4394		u32 twi_addr, twi_page_size;
4395		twi_addr = 0xa8;
4396		twi_page_size = 2;
4397
4398		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4399			twi_page_size << 8 | TWI_DEVICE);
4400		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4401		nvmd_req.resp_addr_hi =
4402		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4403		nvmd_req.resp_addr_lo =
4404		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4405		break;
4406	}
4407	case C_SEEPROM: {
4408		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4409		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4410		nvmd_req.resp_addr_hi =
4411		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4412		nvmd_req.resp_addr_lo =
4413		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4414		break;
4415	}
4416	case VPD_FLASH: {
4417		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4418		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4419		nvmd_req.resp_addr_hi =
4420		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4421		nvmd_req.resp_addr_lo =
4422		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4423		break;
4424	}
4425	case EXPAN_ROM: {
4426		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4427		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4428		nvmd_req.resp_addr_hi =
4429		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4430		nvmd_req.resp_addr_lo =
4431		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4432		break;
4433	}
4434	case IOP_RDUMP: {
4435		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4436		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4437		nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
4438		nvmd_req.resp_addr_hi =
4439		cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4440		nvmd_req.resp_addr_lo =
4441		cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4442		break;
4443	}
4444	default:
4445		break;
4446	}
4447
4448	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4449				  sizeof(nvmd_req), 0);
4450	if (rc) {
4451		kfree(fw_control_context);
4452		pm8001_ccb_free(pm8001_ha, ccb);
4453	}
4454	return rc;
4455}
4456
4457int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4458	void *payload)
4459{
4460	u32 opc = OPC_INB_SET_NVMD_DATA;
4461	u32 nvmd_type;
4462	int rc;
 
4463	struct pm8001_ccb_info *ccb;
 
4464	struct set_nvm_data_req nvmd_req;
4465	struct fw_control_ex *fw_control_context;
4466	struct pm8001_ioctl_payload *ioctl_payload = payload;
4467
4468	nvmd_type = ioctl_payload->minor_function;
4469	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4470	if (!fw_control_context)
4471		return -ENOMEM;
4472
4473	memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4474		&ioctl_payload->func_specific,
4475		ioctl_payload->wr_length);
4476	memset(&nvmd_req, 0, sizeof(nvmd_req));
4477
4478	ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4479	if (!ccb) {
4480		kfree(fw_control_context);
4481		return -SAS_QUEUE_FULL;
4482	}
 
4483	ccb->fw_control_context = fw_control_context;
4484
4485	nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4486	switch (nvmd_type) {
4487	case TWI_DEVICE: {
4488		u32 twi_addr, twi_page_size;
4489		twi_addr = 0xa8;
4490		twi_page_size = 2;
4491		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4492		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4493			twi_page_size << 8 | TWI_DEVICE);
4494		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4495		nvmd_req.resp_addr_hi =
4496		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4497		nvmd_req.resp_addr_lo =
4498		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4499		break;
4500	}
4501	case C_SEEPROM:
4502		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4503		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4504		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4505		nvmd_req.resp_addr_hi =
4506		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4507		nvmd_req.resp_addr_lo =
4508		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4509		break;
4510	case VPD_FLASH:
4511		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4512		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4513		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4514		nvmd_req.resp_addr_hi =
4515		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4516		nvmd_req.resp_addr_lo =
4517		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4518		break;
4519	case EXPAN_ROM:
4520		nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4521		nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4522		nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4523		nvmd_req.resp_addr_hi =
4524		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4525		nvmd_req.resp_addr_lo =
4526		    cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4527		break;
4528	default:
4529		break;
4530	}
4531
4532	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4533			sizeof(nvmd_req), 0);
4534	if (rc) {
4535		kfree(fw_control_context);
4536		pm8001_ccb_free(pm8001_ha, ccb);
4537	}
4538	return rc;
4539}
4540
4541/**
4542 * pm8001_chip_fw_flash_update_build - support the firmware update operation
4543 * @pm8001_ha: our hba card information.
4544 * @fw_flash_updata_info: firmware flash update param
4545 * @tag: Tag to apply to the payload
4546 */
4547int
4548pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4549	void *fw_flash_updata_info, u32 tag)
4550{
4551	struct fw_flash_Update_req payload;
4552	struct fw_flash_updata_info *info;
 
 
4553	u32 opc = OPC_INB_FW_FLASH_UPDATE;
4554
4555	memset(&payload, 0, sizeof(struct fw_flash_Update_req));
 
4556	info = fw_flash_updata_info;
4557	payload.tag = cpu_to_le32(tag);
4558	payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4559	payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4560	payload.total_image_len = cpu_to_le32(info->total_image_len);
4561	payload.len = info->sgl.im_len.len ;
4562	payload.sgl_addr_lo =
4563		cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4564	payload.sgl_addr_hi =
4565		cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4566
4567	return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4568				    sizeof(payload), 0);
4569}
4570
4571int
4572pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4573	void *payload)
4574{
4575	struct fw_flash_updata_info flash_update_info;
4576	struct fw_control_info *fw_control;
4577	struct fw_control_ex *fw_control_context;
4578	int rc;
 
4579	struct pm8001_ccb_info *ccb;
4580	void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4581	dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
 
 
4582	struct pm8001_ioctl_payload *ioctl_payload = payload;
4583
4584	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4585	if (!fw_control_context)
4586		return -ENOMEM;
4587	fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4588	pm8001_dbg(pm8001_ha, DEVIO,
4589		   "dma fw_control context input length :%x\n",
4590		   fw_control->len);
 
 
 
 
 
 
 
 
 
 
4591	memcpy(buffer, fw_control->buffer, fw_control->len);
4592	flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4593	flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4594	flash_update_info.sgl.im_len.e = 0;
4595	flash_update_info.cur_image_offset = fw_control->offset;
4596	flash_update_info.cur_image_len = fw_control->len;
4597	flash_update_info.total_image_len = fw_control->size;
4598	fw_control_context->fw_control = fw_control;
4599	fw_control_context->virtAddr = buffer;
4600	fw_control_context->phys_addr = phys_addr;
4601	fw_control_context->len = fw_control->len;
4602
4603	ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4604	if (!ccb) {
4605		kfree(fw_control_context);
4606		return -SAS_QUEUE_FULL;
4607	}
 
4608	ccb->fw_control_context = fw_control_context;
4609
4610	rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4611					       ccb->ccb_tag);
4612	if (rc) {
4613		kfree(fw_control_context);
4614		pm8001_ccb_free(pm8001_ha, ccb);
4615	}
4616
4617	return rc;
4618}
4619
4620ssize_t
4621pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4622{
4623	u32 value, rem, offset = 0, bar = 0;
4624	u32 index, work_offset, dw_length;
4625	u32 shift_value, gsm_base, gsm_dump_offset;
4626	char *direct_data;
4627	struct Scsi_Host *shost = class_to_shost(cdev);
4628	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4629	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4630
4631	direct_data = buf;
4632	gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
4633
4634	/* check max is 1 Mbytes */
4635	if ((length > 0x100000) || (gsm_dump_offset & 3) ||
4636		((gsm_dump_offset + length) > 0x1000000))
4637			return -EINVAL;
4638
4639	if (pm8001_ha->chip_id == chip_8001)
4640		bar = 2;
4641	else
4642		bar = 1;
4643
4644	work_offset = gsm_dump_offset & 0xFFFF0000;
4645	offset = gsm_dump_offset & 0x0000FFFF;
4646	gsm_dump_offset = work_offset;
4647	/* adjust length to dword boundary */
4648	rem = length & 3;
4649	dw_length = length >> 2;
4650
4651	for (index = 0; index < dw_length; index++) {
4652		if ((work_offset + offset) & 0xFFFF0000) {
4653			if (pm8001_ha->chip_id == chip_8001)
4654				shift_value = ((gsm_dump_offset + offset) &
4655						SHIFT_REG_64K_MASK);
4656			else
4657				shift_value = (((gsm_dump_offset + offset) &
4658						SHIFT_REG_64K_MASK) >>
4659						SHIFT_REG_BIT_SHIFT);
4660
4661			if (pm8001_ha->chip_id == chip_8001) {
4662				gsm_base = GSM_BASE;
4663				if (-1 == pm8001_bar4_shift(pm8001_ha,
4664						(gsm_base + shift_value)))
4665					return -EIO;
4666			} else {
4667				gsm_base = 0;
4668				if (-1 == pm80xx_bar4_shift(pm8001_ha,
4669						(gsm_base + shift_value)))
4670					return -EIO;
4671			}
4672			gsm_dump_offset = (gsm_dump_offset + offset) &
4673						0xFFFF0000;
4674			work_offset = 0;
4675			offset = offset & 0x0000FFFF;
4676		}
4677		value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4678						0x0000FFFF);
4679		direct_data += sprintf(direct_data, "%08x ", value);
4680		offset += 4;
4681	}
4682	if (rem != 0) {
4683		value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4684						0x0000FFFF);
4685		/* xfr for non_dw */
4686		direct_data += sprintf(direct_data, "%08x ", value);
4687	}
4688	/* Shift back to BAR4 original address */
4689	if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
4690			return -EIO;
4691	pm8001_ha->fatal_forensic_shift_offset += 1024;
4692
4693	if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
4694		pm8001_ha->fatal_forensic_shift_offset = 0;
4695	return direct_data - buf;
4696}
4697
4698int
4699pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4700	struct pm8001_device *pm8001_dev, u32 state)
4701{
4702	struct set_dev_state_req payload;
 
4703	struct pm8001_ccb_info *ccb;
4704	int rc;
 
4705	u32 opc = OPC_INB_SET_DEVICE_STATE;
4706
4707	memset(&payload, 0, sizeof(payload));
4708
4709	ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4710	if (!ccb)
4711		return -SAS_QUEUE_FULL;
4712
4713	payload.tag = cpu_to_le32(ccb->ccb_tag);
 
 
4714	payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4715	payload.nds = cpu_to_le32(state);
 
 
4716
4717	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4718				  sizeof(payload), 0);
4719	if (rc)
4720		pm8001_ccb_free(pm8001_ha, ccb);
4721
4722	return rc;
4723}
4724
4725static int
4726pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4727{
4728	struct sas_re_initialization_req payload;
 
4729	struct pm8001_ccb_info *ccb;
4730	int rc;
 
4731	u32 opc = OPC_INB_SAS_RE_INITIALIZE;
4732
4733	memset(&payload, 0, sizeof(payload));
4734
4735	ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4736	if (!ccb)
4737		return -SAS_QUEUE_FULL;
4738
4739	payload.tag = cpu_to_le32(ccb->ccb_tag);
 
4740	payload.SSAHOLT = cpu_to_le32(0xd << 25);
4741	payload.sata_hol_tmo = cpu_to_le32(80);
4742	payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
 
 
4743
4744	rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4745				  sizeof(payload), 0);
4746	if (rc)
4747		pm8001_ccb_free(pm8001_ha, ccb);
4748
4749	return rc;
4750}
4751
4752const struct pm8001_dispatch pm8001_8001_dispatch = {
4753	.name			= "pmc8001",
4754	.chip_init		= pm8001_chip_init,
4755	.chip_post_init		= pm8001_chip_post_init,
4756	.chip_soft_rst		= pm8001_chip_soft_rst,
4757	.chip_rst		= pm8001_hw_chip_rst,
4758	.chip_iounmap		= pm8001_chip_iounmap,
4759	.isr			= pm8001_chip_isr,
4760	.is_our_interrupt	= pm8001_chip_is_our_interrupt,
4761	.isr_process_oq		= process_oq,
4762	.interrupt_enable 	= pm8001_chip_interrupt_enable,
4763	.interrupt_disable	= pm8001_chip_interrupt_disable,
4764	.make_prd		= pm8001_chip_make_sg,
4765	.smp_req		= pm8001_chip_smp_req,
4766	.ssp_io_req		= pm8001_chip_ssp_io_req,
4767	.sata_req		= pm8001_chip_sata_req,
4768	.phy_start_req		= pm8001_chip_phy_start_req,
4769	.phy_stop_req		= pm8001_chip_phy_stop_req,
4770	.reg_dev_req		= pm8001_chip_reg_dev_req,
4771	.dereg_dev_req		= pm8001_chip_dereg_dev_req,
4772	.phy_ctl_req		= pm8001_chip_phy_ctl_req,
4773	.task_abort		= pm8001_chip_abort_task,
4774	.ssp_tm_req		= pm8001_chip_ssp_tm_req,
4775	.get_nvmd_req		= pm8001_chip_get_nvmd_req,
4776	.set_nvmd_req		= pm8001_chip_set_nvmd_req,
4777	.fw_flash_update_req	= pm8001_chip_fw_flash_update_req,
4778	.set_dev_state_req	= pm8001_chip_set_dev_state_req,
4779	.sas_re_init_req	= pm8001_chip_sas_re_initialization,
4780	.fatal_errors		= pm80xx_fatal_errors,
4781};