1/*
   2 *	Adaptec AAC series RAID controller driver
   3 *	(c) Copyright 2001 Red Hat Inc.
   4 *
   5 * based on the old aacraid driver that is..
   6 * Adaptec aacraid device driver for Linux.
   7 *
   8 * Copyright (c) 2000-2010 Adaptec, Inc.
   9 *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License as published by
  13 * the Free Software Foundation; either version 2, or (at your option)
  14 * any later version.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; see the file COPYING.  If not, write to
  23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24 *
  25 */
  26
  27#include <linux/kernel.h>
  28#include <linux/init.h>
  29#include <linux/types.h>
  30#include <linux/pci.h>
  31#include <linux/spinlock.h>
  32#include <linux/slab.h>
  33#include <linux/completion.h>
  34#include <linux/blkdev.h>
  35#include <asm/uaccess.h>
  36#include <linux/highmem.h> /* For flush_kernel_dcache_page */
  37#include <linux/module.h>
  38
  39#include <scsi/scsi.h>
  40#include <scsi/scsi_cmnd.h>
  41#include <scsi/scsi_device.h>
  42#include <scsi/scsi_host.h>
  43
  44#include "aacraid.h"
  45
  46/* values for inqd_pdt: Peripheral device type in plain English */
  47#define	INQD_PDT_DA	0x00	/* Direct-access (DISK) device */
  48#define	INQD_PDT_PROC	0x03	/* Processor device */
  49#define	INQD_PDT_CHNGR	0x08	/* Changer (jukebox, scsi2) */
  50#define	INQD_PDT_COMM	0x09	/* Communication device (scsi2) */
  51#define	INQD_PDT_NOLUN2 0x1f	/* Unknown Device (scsi2) */
  52#define	INQD_PDT_NOLUN	0x7f	/* Logical Unit Not Present */
  53
  54#define	INQD_PDT_DMASK	0x1F	/* Peripheral Device Type Mask */
  55#define	INQD_PDT_QMASK	0xE0	/* Peripheral Device Qualifer Mask */
  56
  57/*
  58 *	Sense codes
  59 */
  60
  61#define SENCODE_NO_SENSE			0x00
  62#define SENCODE_END_OF_DATA			0x00
  63#define SENCODE_BECOMING_READY			0x04
  64#define SENCODE_INIT_CMD_REQUIRED		0x04
  65#define SENCODE_PARAM_LIST_LENGTH_ERROR		0x1A
  66#define SENCODE_INVALID_COMMAND			0x20
  67#define SENCODE_LBA_OUT_OF_RANGE		0x21
  68#define SENCODE_INVALID_CDB_FIELD		0x24
  69#define SENCODE_LUN_NOT_SUPPORTED		0x25
  70#define SENCODE_INVALID_PARAM_FIELD		0x26
  71#define SENCODE_PARAM_NOT_SUPPORTED		0x26
  72#define SENCODE_PARAM_VALUE_INVALID		0x26
  73#define SENCODE_RESET_OCCURRED			0x29
  74#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET	0x3E
  75#define SENCODE_INQUIRY_DATA_CHANGED		0x3F
  76#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED	0x39
  77#define SENCODE_DIAGNOSTIC_FAILURE		0x40
  78#define SENCODE_INTERNAL_TARGET_FAILURE		0x44
  79#define SENCODE_INVALID_MESSAGE_ERROR		0x49
  80#define SENCODE_LUN_FAILED_SELF_CONFIG		0x4c
  81#define SENCODE_OVERLAPPED_COMMAND		0x4E
  82
  83/*
  84 *	Additional sense codes
  85 */
  86
  87#define ASENCODE_NO_SENSE			0x00
  88#define ASENCODE_END_OF_DATA			0x05
  89#define ASENCODE_BECOMING_READY			0x01
  90#define ASENCODE_INIT_CMD_REQUIRED		0x02
  91#define ASENCODE_PARAM_LIST_LENGTH_ERROR	0x00
  92#define ASENCODE_INVALID_COMMAND		0x00
  93#define ASENCODE_LBA_OUT_OF_RANGE		0x00
  94#define ASENCODE_INVALID_CDB_FIELD		0x00
  95#define ASENCODE_LUN_NOT_SUPPORTED		0x00
  96#define ASENCODE_INVALID_PARAM_FIELD		0x00
  97#define ASENCODE_PARAM_NOT_SUPPORTED		0x01
  98#define ASENCODE_PARAM_VALUE_INVALID		0x02
  99#define ASENCODE_RESET_OCCURRED			0x00
 100#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET	0x00
 101#define ASENCODE_INQUIRY_DATA_CHANGED		0x03
 102#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED	0x00
 103#define ASENCODE_DIAGNOSTIC_FAILURE		0x80
 104#define ASENCODE_INTERNAL_TARGET_FAILURE	0x00
 105#define ASENCODE_INVALID_MESSAGE_ERROR		0x00
 106#define ASENCODE_LUN_FAILED_SELF_CONFIG		0x00
 107#define ASENCODE_OVERLAPPED_COMMAND		0x00
 108
 109#define BYTE0(x) (unsigned char)(x)
 110#define BYTE1(x) (unsigned char)((x) >> 8)
 111#define BYTE2(x) (unsigned char)((x) >> 16)
 112#define BYTE3(x) (unsigned char)((x) >> 24)
 113
 114/*------------------------------------------------------------------------------
 115 *              S T R U C T S / T Y P E D E F S
 116 *----------------------------------------------------------------------------*/
 117/* SCSI inquiry data */
 118struct inquiry_data {
 119	u8 inqd_pdt;	/* Peripheral qualifier | Peripheral Device Type */
 120	u8 inqd_dtq;	/* RMB | Device Type Qualifier */
 121	u8 inqd_ver;	/* ISO version | ECMA version | ANSI-approved version */
 122	u8 inqd_rdf;	/* AENC | TrmIOP | Response data format */
 123	u8 inqd_len;	/* Additional length (n-4) */
 124	u8 inqd_pad1[2];/* Reserved - must be zero */
 125	u8 inqd_pad2;	/* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 126	u8 inqd_vid[8];	/* Vendor ID */
 127	u8 inqd_pid[16];/* Product ID */
 128	u8 inqd_prl[4];	/* Product Revision Level */
 129};
 130
 131/*
 132 *              M O D U L E   G L O B A L S
 133 */
 134
 135static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 136static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 137static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 138static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 139#ifdef AAC_DETAILED_STATUS_INFO
 140static char *aac_get_status_string(u32 status);
 141#endif
 142
 143/*
 144 *	Non dasd selection is handled entirely in aachba now
 145 */
 146
 147static int nondasd = -1;
 148static int aac_cache = 2;	/* WCE=0 to avoid performance problems */
 149static int dacmode = -1;
 150int aac_msi;
 151int aac_commit = -1;
 152int startup_timeout = 180;
 153int aif_timeout = 120;
 154int aac_sync_mode;  /* Only Sync. transfer - disabled */
 155
 156module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
 157MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
 158	" 0=off, 1=on");
 159module_param(nondasd, int, S_IRUGO|S_IWUSR);
 160MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 161	" 0=off, 1=on");
 162module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 163MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 164	"\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 165	"\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 166	"\tbit 2 - Disable only if Battery is protecting Cache");
 167module_param(dacmode, int, S_IRUGO|S_IWUSR);
 168MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 169	" 0=off, 1=on");
 170module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 171MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 172	" adapter for foreign arrays.\n"
 173	"This is typically needed in systems that do not have a BIOS."
 174	" 0=off, 1=on");
 175module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 176MODULE_PARM_DESC(msi, "IRQ handling."
 177	" 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
 178module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 179MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 180	" adapter to have it's kernel up and\n"
 181	"running. This is typically adjusted for large systems that do not"
 182	" have a BIOS.");
 183module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 184MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 185	" applications to pick up AIFs before\n"
 186	"deregistering them. This is typically adjusted for heavily burdened"
 187	" systems.");
 188
 189int numacb = -1;
 190module_param(numacb, int, S_IRUGO|S_IWUSR);
 191MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 192	" blocks (FIB) allocated. Valid values are 512 and down. Default is"
 193	" to use suggestion from Firmware.");
 194
 195int acbsize = -1;
 196module_param(acbsize, int, S_IRUGO|S_IWUSR);
 197MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 198	" size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 199	" suggestion from Firmware.");
 200
 201int update_interval = 30 * 60;
 202module_param(update_interval, int, S_IRUGO|S_IWUSR);
 203MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 204	" updates issued to adapter.");
 205
 206int check_interval = 24 * 60 * 60;
 207module_param(check_interval, int, S_IRUGO|S_IWUSR);
 208MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 209	" checks.");
 210
 211int aac_check_reset = 1;
 212module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 213MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 214	" adapter. a value of -1 forces the reset to adapters programmed to"
 215	" ignore it.");
 216
 217int expose_physicals = -1;
 218module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 219MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 220	" -1=protect 0=off, 1=on");
 221
 222int aac_reset_devices;
 223module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 224MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 225
 226int aac_wwn = 1;
 227module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 228MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 229	"\t0 - Disable\n"
 230	"\t1 - Array Meta Data Signature (default)\n"
 231	"\t2 - Adapter Serial Number");
 232
 233
 234static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 235		struct fib *fibptr) {
 236	struct scsi_device *device;
 237
 238	if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
 239		dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 240		aac_fib_complete(fibptr);
 241		aac_fib_free(fibptr);
 242		return 0;
 243	}
 244	scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 245	device = scsicmd->device;
 246	if (unlikely(!device || !scsi_device_online(device))) {
 247		dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 248		aac_fib_complete(fibptr);
 249		aac_fib_free(fibptr);
 250		return 0;
 251	}
 252	return 1;
 253}
 254
 255/**
 256 *	aac_get_config_status	-	check the adapter configuration
 257 *	@common: adapter to query
 258 *
 259 *	Query config status, and commit the configuration if needed.
 260 */
 261int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 262{
 263	int status = 0;
 264	struct fib * fibptr;
 265
 266	if (!(fibptr = aac_fib_alloc(dev)))
 267		return -ENOMEM;
 268
 269	aac_fib_init(fibptr);
 270	{
 271		struct aac_get_config_status *dinfo;
 272		dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 273
 274		dinfo->command = cpu_to_le32(VM_ContainerConfig);
 275		dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 276		dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 277	}
 278
 279	status = aac_fib_send(ContainerCommand,
 280			    fibptr,
 281			    sizeof (struct aac_get_config_status),
 282			    FsaNormal,
 283			    1, 1,
 284			    NULL, NULL);
 285	if (status < 0) {
 286		printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 287	} else {
 288		struct aac_get_config_status_resp *reply
 289		  = (struct aac_get_config_status_resp *) fib_data(fibptr);
 290		dprintk((KERN_WARNING
 291		  "aac_get_config_status: response=%d status=%d action=%d\n",
 292		  le32_to_cpu(reply->response),
 293		  le32_to_cpu(reply->status),
 294		  le32_to_cpu(reply->data.action)));
 295		if ((le32_to_cpu(reply->response) != ST_OK) ||
 296		     (le32_to_cpu(reply->status) != CT_OK) ||
 297		     (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 298			printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 299			status = -EINVAL;
 300		}
 301	}
 302	/* Do not set XferState to zero unless receives a response from F/W */
 303	if (status >= 0)
 304		aac_fib_complete(fibptr);
 305
 306	/* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 307	if (status >= 0) {
 308		if ((aac_commit == 1) || commit_flag) {
 309			struct aac_commit_config * dinfo;
 310			aac_fib_init(fibptr);
 311			dinfo = (struct aac_commit_config *) fib_data(fibptr);
 312
 313			dinfo->command = cpu_to_le32(VM_ContainerConfig);
 314			dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 315
 316			status = aac_fib_send(ContainerCommand,
 317				    fibptr,
 318				    sizeof (struct aac_commit_config),
 319				    FsaNormal,
 320				    1, 1,
 321				    NULL, NULL);
 322			/* Do not set XferState to zero unless
 323			 * receives a response from F/W */
 324			if (status >= 0)
 325				aac_fib_complete(fibptr);
 326		} else if (aac_commit == 0) {
 327			printk(KERN_WARNING
 328			  "aac_get_config_status: Foreign device configurations are being ignored\n");
 329		}
 330	}
 331	/* FIB should be freed only after getting the response from the F/W */
 332	if (status != -ERESTARTSYS)
 333		aac_fib_free(fibptr);
 334	return status;
 335}
 336
 337static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
 338{
 339	char inq_data;
 340	scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
 341	if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
 342		inq_data &= 0xdf;
 343		scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 344	}
 345}
 346
 347/**
 348 *	aac_get_containers	-	list containers
 349 *	@common: adapter to probe
 350 *
 351 *	Make a list of all containers on this controller
 352 */
 353int aac_get_containers(struct aac_dev *dev)
 354{
 355	struct fsa_dev_info *fsa_dev_ptr;
 356	u32 index;
 357	int status = 0;
 358	struct fib * fibptr;
 359	struct aac_get_container_count *dinfo;
 360	struct aac_get_container_count_resp *dresp;
 361	int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 362
 363	if (!(fibptr = aac_fib_alloc(dev)))
 364		return -ENOMEM;
 365
 366	aac_fib_init(fibptr);
 367	dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 368	dinfo->command = cpu_to_le32(VM_ContainerConfig);
 369	dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 370
 371	status = aac_fib_send(ContainerCommand,
 372		    fibptr,
 373		    sizeof (struct aac_get_container_count),
 374		    FsaNormal,
 375		    1, 1,
 376		    NULL, NULL);
 377	if (status >= 0) {
 378		dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 379		maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 380		aac_fib_complete(fibptr);
 381	}
 382	/* FIB should be freed only after getting the response from the F/W */
 383	if (status != -ERESTARTSYS)
 384		aac_fib_free(fibptr);
 385
 386	if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 387		maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 388	fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 389			GFP_KERNEL);
 390	if (!fsa_dev_ptr)
 391		return -ENOMEM;
 392
 393	dev->fsa_dev = fsa_dev_ptr;
 394	dev->maximum_num_containers = maximum_num_containers;
 395
 396	for (index = 0; index < dev->maximum_num_containers; ) {
 397		fsa_dev_ptr[index].devname[0] = '\0';
 398
 399		status = aac_probe_container(dev, index);
 400
 401		if (status < 0) {
 402			printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 403			break;
 404		}
 405
 406		/*
 407		 *	If there are no more containers, then stop asking.
 408		 */
 409		if (++index >= status)
 410			break;
 411	}
 412	return status;
 413}
 414
 415static void get_container_name_callback(void *context, struct fib * fibptr)
 416{
 417	struct aac_get_name_resp * get_name_reply;
 418	struct scsi_cmnd * scsicmd;
 419
 420	scsicmd = (struct scsi_cmnd *) context;
 421
 422	if (!aac_valid_context(scsicmd, fibptr))
 423		return;
 424
 425	dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 426	BUG_ON(fibptr == NULL);
 427
 428	get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 429	/* Failure is irrelevant, using default value instead */
 430	if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 431	 && (get_name_reply->data[0] != '\0')) {
 432		char *sp = get_name_reply->data;
 433		sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 434		while (*sp == ' ')
 435			++sp;
 436		if (*sp) {
 437			struct inquiry_data inq;
 438			char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 439			int count = sizeof(d);
 440			char *dp = d;
 441			do {
 442				*dp++ = (*sp) ? *sp++ : ' ';
 443			} while (--count > 0);
 444
 445			scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 446			memcpy(inq.inqd_pid, d, sizeof(d));
 447			scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 448		}
 449	}
 450
 451	scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 452
 453	aac_fib_complete(fibptr);
 454	aac_fib_free(fibptr);
 455	scsicmd->scsi_done(scsicmd);
 456}
 457
 458/**
 459 *	aac_get_container_name	-	get container name, none blocking.
 460 */
 461static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 462{
 463	int status;
 464	struct aac_get_name *dinfo;
 465	struct fib * cmd_fibcontext;
 466	struct aac_dev * dev;
 467
 468	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 469
 470	if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 471		return -ENOMEM;
 472
 473	aac_fib_init(cmd_fibcontext);
 474	dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 475
 476	dinfo->command = cpu_to_le32(VM_ContainerConfig);
 477	dinfo->type = cpu_to_le32(CT_READ_NAME);
 478	dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 479	dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 480
 481	status = aac_fib_send(ContainerCommand,
 482		  cmd_fibcontext,
 483		  sizeof (struct aac_get_name),
 484		  FsaNormal,
 485		  0, 1,
 486		  (fib_callback)get_container_name_callback,
 487		  (void *) scsicmd);
 488
 489	/*
 490	 *	Check that the command queued to the controller
 491	 */
 492	if (status == -EINPROGRESS) {
 493		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 494		return 0;
 495	}
 496
 497	printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 498	aac_fib_complete(cmd_fibcontext);
 499	aac_fib_free(cmd_fibcontext);
 500	return -1;
 501}
 502
 503static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 504{
 505	struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 506
 507	if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 508		return aac_scsi_cmd(scsicmd);
 509
 510	scsicmd->result = DID_NO_CONNECT << 16;
 511	scsicmd->scsi_done(scsicmd);
 512	return 0;
 513}
 514
 515static void _aac_probe_container2(void * context, struct fib * fibptr)
 516{
 517	struct fsa_dev_info *fsa_dev_ptr;
 518	int (*callback)(struct scsi_cmnd *);
 519	struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 520
 521
 522	if (!aac_valid_context(scsicmd, fibptr))
 523		return;
 524
 525	scsicmd->SCp.Status = 0;
 526	fsa_dev_ptr = fibptr->dev->fsa_dev;
 527	if (fsa_dev_ptr) {
 528		struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 529		fsa_dev_ptr += scmd_id(scsicmd);
 530
 531		if ((le32_to_cpu(dresp->status) == ST_OK) &&
 532		    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 533		    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 534			fsa_dev_ptr->valid = 1;
 535			/* sense_key holds the current state of the spin-up */
 536			if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 537				fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 538			else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 539				fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 540			fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 541			fsa_dev_ptr->size
 542			  = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 543			    (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 544			fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 545		}
 546		if ((fsa_dev_ptr->valid & 1) == 0)
 547			fsa_dev_ptr->valid = 0;
 548		scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 549	}
 550	aac_fib_complete(fibptr);
 551	aac_fib_free(fibptr);
 552	callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 553	scsicmd->SCp.ptr = NULL;
 554	(*callback)(scsicmd);
 555	return;
 556}
 557
 558static void _aac_probe_container1(void * context, struct fib * fibptr)
 559{
 560	struct scsi_cmnd * scsicmd;
 561	struct aac_mount * dresp;
 562	struct aac_query_mount *dinfo;
 563	int status;
 564
 565	dresp = (struct aac_mount *) fib_data(fibptr);
 566	dresp->mnt[0].capacityhigh = 0;
 567	if ((le32_to_cpu(dresp->status) != ST_OK) ||
 568	    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 569		_aac_probe_container2(context, fibptr);
 570		return;
 571	}
 572	scsicmd = (struct scsi_cmnd *) context;
 573
 574	if (!aac_valid_context(scsicmd, fibptr))
 575		return;
 576
 577	aac_fib_init(fibptr);
 578
 579	dinfo = (struct aac_query_mount *)fib_data(fibptr);
 580
 581	dinfo->command = cpu_to_le32(VM_NameServe64);
 582	dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 583	dinfo->type = cpu_to_le32(FT_FILESYS);
 584
 585	status = aac_fib_send(ContainerCommand,
 586			  fibptr,
 587			  sizeof(struct aac_query_mount),
 588			  FsaNormal,
 589			  0, 1,
 590			  _aac_probe_container2,
 591			  (void *) scsicmd);
 592	/*
 593	 *	Check that the command queued to the controller
 594	 */
 595	if (status == -EINPROGRESS)
 596		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 597	else if (status < 0) {
 598		/* Inherit results from VM_NameServe, if any */
 599		dresp->status = cpu_to_le32(ST_OK);
 600		_aac_probe_container2(context, fibptr);
 601	}
 602}
 603
 604static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 605{
 606	struct fib * fibptr;
 607	int status = -ENOMEM;
 608
 609	if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 610		struct aac_query_mount *dinfo;
 611
 612		aac_fib_init(fibptr);
 613
 614		dinfo = (struct aac_query_mount *)fib_data(fibptr);
 615
 616		dinfo->command = cpu_to_le32(VM_NameServe);
 617		dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 618		dinfo->type = cpu_to_le32(FT_FILESYS);
 619		scsicmd->SCp.ptr = (char *)callback;
 620
 621		status = aac_fib_send(ContainerCommand,
 622			  fibptr,
 623			  sizeof(struct aac_query_mount),
 624			  FsaNormal,
 625			  0, 1,
 626			  _aac_probe_container1,
 627			  (void *) scsicmd);
 628		/*
 629		 *	Check that the command queued to the controller
 630		 */
 631		if (status == -EINPROGRESS) {
 632			scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 633			return 0;
 634		}
 635		if (status < 0) {
 636			scsicmd->SCp.ptr = NULL;
 637			aac_fib_complete(fibptr);
 638			aac_fib_free(fibptr);
 639		}
 640	}
 641	if (status < 0) {
 642		struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 643		if (fsa_dev_ptr) {
 644			fsa_dev_ptr += scmd_id(scsicmd);
 645			if ((fsa_dev_ptr->valid & 1) == 0) {
 646				fsa_dev_ptr->valid = 0;
 647				return (*callback)(scsicmd);
 648			}
 649		}
 650	}
 651	return status;
 652}
 653
 654/**
 655 *	aac_probe_container		-	query a logical volume
 656 *	@dev: device to query
 657 *	@cid: container identifier
 658 *
 659 *	Queries the controller about the given volume. The volume information
 660 *	is updated in the struct fsa_dev_info structure rather than returned.
 661 */
 662static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 663{
 664	scsicmd->device = NULL;
 665	return 0;
 666}
 667
 668int aac_probe_container(struct aac_dev *dev, int cid)
 669{
 670	struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 671	struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 672	int status;
 673
 674	if (!scsicmd || !scsidev) {
 675		kfree(scsicmd);
 676		kfree(scsidev);
 677		return -ENOMEM;
 678	}
 679	scsicmd->list.next = NULL;
 680	scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 681
 682	scsicmd->device = scsidev;
 683	scsidev->sdev_state = 0;
 684	scsidev->id = cid;
 685	scsidev->host = dev->scsi_host_ptr;
 686
 687	if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 688		while (scsicmd->device == scsidev)
 689			schedule();
 690	kfree(scsidev);
 691	status = scsicmd->SCp.Status;
 692	kfree(scsicmd);
 693	return status;
 694}
 695
 696/* Local Structure to set SCSI inquiry data strings */
 697struct scsi_inq {
 698	char vid[8];         /* Vendor ID */
 699	char pid[16];        /* Product ID */
 700	char prl[4];         /* Product Revision Level */
 701};
 702
 703/**
 704 *	InqStrCopy	-	string merge
 705 *	@a:	string to copy from
 706 *	@b:	string to copy to
 707 *
 708 *	Copy a String from one location to another
 709 *	without copying \0
 710 */
 711
 712static void inqstrcpy(char *a, char *b)
 713{
 714
 715	while (*a != (char)0)
 716		*b++ = *a++;
 717}
 718
 719static char *container_types[] = {
 720	"None",
 721	"Volume",
 722	"Mirror",
 723	"Stripe",
 724	"RAID5",
 725	"SSRW",
 726	"SSRO",
 727	"Morph",
 728	"Legacy",
 729	"RAID4",
 730	"RAID10",
 731	"RAID00",
 732	"V-MIRRORS",
 733	"PSEUDO R4",
 734	"RAID50",
 735	"RAID5D",
 736	"RAID5D0",
 737	"RAID1E",
 738	"RAID6",
 739	"RAID60",
 740	"Unknown"
 741};
 742
 743char * get_container_type(unsigned tindex)
 744{
 745	if (tindex >= ARRAY_SIZE(container_types))
 746		tindex = ARRAY_SIZE(container_types) - 1;
 747	return container_types[tindex];
 748}
 749
 750/* Function: setinqstr
 751 *
 752 * Arguments: [1] pointer to void [1] int
 753 *
 754 * Purpose: Sets SCSI inquiry data strings for vendor, product
 755 * and revision level. Allows strings to be set in platform dependent
 756 * files instead of in OS dependent driver source.
 757 */
 758
 759static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 760{
 761	struct scsi_inq *str;
 762
 763	str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 764	memset(str, ' ', sizeof(*str));
 765
 766	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 767		char * cp = dev->supplement_adapter_info.AdapterTypeText;
 768		int c;
 769		if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 770			inqstrcpy("SMC", str->vid);
 771		else {
 772			c = sizeof(str->vid);
 773			while (*cp && *cp != ' ' && --c)
 774				++cp;
 775			c = *cp;
 776			*cp = '\0';
 777			inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 778				   str->vid);
 779			*cp = c;
 780			while (*cp && *cp != ' ')
 781				++cp;
 782		}
 783		while (*cp == ' ')
 784			++cp;
 785		/* last six chars reserved for vol type */
 786		c = 0;
 787		if (strlen(cp) > sizeof(str->pid)) {
 788			c = cp[sizeof(str->pid)];
 789			cp[sizeof(str->pid)] = '\0';
 790		}
 791		inqstrcpy (cp, str->pid);
 792		if (c)
 793			cp[sizeof(str->pid)] = c;
 794	} else {
 795		struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 796
 797		inqstrcpy (mp->vname, str->vid);
 798		/* last six chars reserved for vol type */
 799		inqstrcpy (mp->model, str->pid);
 800	}
 801
 802	if (tindex < ARRAY_SIZE(container_types)){
 803		char *findit = str->pid;
 804
 805		for ( ; *findit != ' '; findit++); /* walk till we find a space */
 806		/* RAID is superfluous in the context of a RAID device */
 807		if (memcmp(findit-4, "RAID", 4) == 0)
 808			*(findit -= 4) = ' ';
 809		if (((findit - str->pid) + strlen(container_types[tindex]))
 810		 < (sizeof(str->pid) + sizeof(str->prl)))
 811			inqstrcpy (container_types[tindex], findit + 1);
 812	}
 813	inqstrcpy ("V1.0", str->prl);
 814}
 815
 816static void get_container_serial_callback(void *context, struct fib * fibptr)
 817{
 818	struct aac_get_serial_resp * get_serial_reply;
 819	struct scsi_cmnd * scsicmd;
 820
 821	BUG_ON(fibptr == NULL);
 822
 823	scsicmd = (struct scsi_cmnd *) context;
 824	if (!aac_valid_context(scsicmd, fibptr))
 825		return;
 826
 827	get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 828	/* Failure is irrelevant, using default value instead */
 829	if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
 830		char sp[13];
 831		/* EVPD bit set */
 832		sp[0] = INQD_PDT_DA;
 833		sp[1] = scsicmd->cmnd[2];
 834		sp[2] = 0;
 835		sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
 836		  le32_to_cpu(get_serial_reply->uid));
 837		scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
 838	}
 839
 840	scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 841
 842	aac_fib_complete(fibptr);
 843	aac_fib_free(fibptr);
 844	scsicmd->scsi_done(scsicmd);
 845}
 846
 847/**
 848 *	aac_get_container_serial - get container serial, none blocking.
 849 */
 850static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
 851{
 852	int status;
 853	struct aac_get_serial *dinfo;
 854	struct fib * cmd_fibcontext;
 855	struct aac_dev * dev;
 856
 857	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 858
 859	if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 860		return -ENOMEM;
 861
 862	aac_fib_init(cmd_fibcontext);
 863	dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
 864
 865	dinfo->command = cpu_to_le32(VM_ContainerConfig);
 866	dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
 867	dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 868
 869	status = aac_fib_send(ContainerCommand,
 870		  cmd_fibcontext,
 871		  sizeof (struct aac_get_serial),
 872		  FsaNormal,
 873		  0, 1,
 874		  (fib_callback) get_container_serial_callback,
 875		  (void *) scsicmd);
 876
 877	/*
 878	 *	Check that the command queued to the controller
 879	 */
 880	if (status == -EINPROGRESS) {
 881		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 882		return 0;
 883	}
 884
 885	printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
 886	aac_fib_complete(cmd_fibcontext);
 887	aac_fib_free(cmd_fibcontext);
 888	return -1;
 889}
 890
 891/* Function: setinqserial
 892 *
 893 * Arguments: [1] pointer to void [1] int
 894 *
 895 * Purpose: Sets SCSI Unit Serial number.
 896 *          This is a fake. We should read a proper
 897 *          serial number from the container. <SuSE>But
 898 *          without docs it's quite hard to do it :-)
 899 *          So this will have to do in the meantime.</SuSE>
 900 */
 901
 902static int setinqserial(struct aac_dev *dev, void *data, int cid)
 903{
 904	/*
 905	 *	This breaks array migration.
 906	 */
 907	return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
 908			le32_to_cpu(dev->adapter_info.serial[0]), cid);
 909}
 910
 911static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
 912	u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
 913{
 914	u8 *sense_buf = (u8 *)sense_data;
 915	/* Sense data valid, err code 70h */
 916	sense_buf[0] = 0x70; /* No info field */
 917	sense_buf[1] = 0;	/* Segment number, always zero */
 918
 919	sense_buf[2] = sense_key;	/* Sense key */
 920
 921	sense_buf[12] = sense_code;	/* Additional sense code */
 922	sense_buf[13] = a_sense_code;	/* Additional sense code qualifier */
 923
 924	if (sense_key == ILLEGAL_REQUEST) {
 925		sense_buf[7] = 10;	/* Additional sense length */
 926
 927		sense_buf[15] = bit_pointer;
 928		/* Illegal parameter is in the parameter block */
 929		if (sense_code == SENCODE_INVALID_CDB_FIELD)
 930			sense_buf[15] |= 0xc0;/* Std sense key specific field */
 931		/* Illegal parameter is in the CDB block */
 932		sense_buf[16] = field_pointer >> 8;	/* MSB */
 933		sense_buf[17] = field_pointer;		/* LSB */
 934	} else
 935		sense_buf[7] = 6;	/* Additional sense length */
 936}
 937
 938static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 939{
 940	if (lba & 0xffffffff00000000LL) {
 941		int cid = scmd_id(cmd);
 942		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 943		cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 944			SAM_STAT_CHECK_CONDITION;
 945		set_sense(&dev->fsa_dev[cid].sense_data,
 946		  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 947		  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 948		memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 949		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 950			     SCSI_SENSE_BUFFERSIZE));
 951		cmd->scsi_done(cmd);
 952		return 1;
 953	}
 954	return 0;
 955}
 956
 957static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 958{
 959	return 0;
 960}
 961
 962static void io_callback(void *context, struct fib * fibptr);
 963
 964static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 965{
 966	u16 fibsize;
 967	struct aac_raw_io *readcmd;
 968	aac_fib_init(fib);
 969	readcmd = (struct aac_raw_io *) fib_data(fib);
 970	readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 971	readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 972	readcmd->count = cpu_to_le32(count<<9);
 973	readcmd->cid = cpu_to_le16(scmd_id(cmd));
 974	readcmd->flags = cpu_to_le16(IO_TYPE_READ);
 975	readcmd->bpTotal = 0;
 976	readcmd->bpComplete = 0;
 977
 978	aac_build_sgraw(cmd, &readcmd->sg);
 979	fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 980	BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 981	/*
 982	 *	Now send the Fib to the adapter
 983	 */
 984	return aac_fib_send(ContainerRawIo,
 985			  fib,
 986			  fibsize,
 987			  FsaNormal,
 988			  0, 1,
 989			  (fib_callback) io_callback,
 990			  (void *) cmd);
 991}
 992
 993static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 994{
 995	u16 fibsize;
 996	struct aac_read64 *readcmd;
 997	aac_fib_init(fib);
 998	readcmd = (struct aac_read64 *) fib_data(fib);
 999	readcmd->command = cpu_to_le32(VM_CtHostRead64);
1000	readcmd->cid = cpu_to_le16(scmd_id(cmd));
1001	readcmd->sector_count = cpu_to_le16(count);
1002	readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1003	readcmd->pad   = 0;
1004	readcmd->flags = 0;
1005
1006	aac_build_sg64(cmd, &readcmd->sg);
1007	fibsize = sizeof(struct aac_read64) +
1008		((le32_to_cpu(readcmd->sg.count) - 1) *
1009		 sizeof (struct sgentry64));
1010	BUG_ON (fibsize > (fib->dev->max_fib_size -
1011				sizeof(struct aac_fibhdr)));
1012	/*
1013	 *	Now send the Fib to the adapter
1014	 */
1015	return aac_fib_send(ContainerCommand64,
1016			  fib,
1017			  fibsize,
1018			  FsaNormal,
1019			  0, 1,
1020			  (fib_callback) io_callback,
1021			  (void *) cmd);
1022}
1023
1024static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1025{
1026	u16 fibsize;
1027	struct aac_read *readcmd;
1028	aac_fib_init(fib);
1029	readcmd = (struct aac_read *) fib_data(fib);
1030	readcmd->command = cpu_to_le32(VM_CtBlockRead);
1031	readcmd->cid = cpu_to_le32(scmd_id(cmd));
1032	readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1033	readcmd->count = cpu_to_le32(count * 512);
1034
1035	aac_build_sg(cmd, &readcmd->sg);
1036	fibsize = sizeof(struct aac_read) +
1037			((le32_to_cpu(readcmd->sg.count) - 1) *
1038			 sizeof (struct sgentry));
1039	BUG_ON (fibsize > (fib->dev->max_fib_size -
1040				sizeof(struct aac_fibhdr)));
1041	/*
1042	 *	Now send the Fib to the adapter
1043	 */
1044	return aac_fib_send(ContainerCommand,
1045			  fib,
1046			  fibsize,
1047			  FsaNormal,
1048			  0, 1,
1049			  (fib_callback) io_callback,
1050			  (void *) cmd);
1051}
1052
1053static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1054{
1055	u16 fibsize;
1056	struct aac_raw_io *writecmd;
1057	aac_fib_init(fib);
1058	writecmd = (struct aac_raw_io *) fib_data(fib);
1059	writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1060	writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1061	writecmd->count = cpu_to_le32(count<<9);
1062	writecmd->cid = cpu_to_le16(scmd_id(cmd));
1063	writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1064	  (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1065		cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1066		cpu_to_le16(IO_TYPE_WRITE);
1067	writecmd->bpTotal = 0;
1068	writecmd->bpComplete = 0;
1069
1070	aac_build_sgraw(cmd, &writecmd->sg);
1071	fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1072	BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1073	/*
1074	 *	Now send the Fib to the adapter
1075	 */
1076	return aac_fib_send(ContainerRawIo,
1077			  fib,
1078			  fibsize,
1079			  FsaNormal,
1080			  0, 1,
1081			  (fib_callback) io_callback,
1082			  (void *) cmd);
1083}
1084
1085static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1086{
1087	u16 fibsize;
1088	struct aac_write64 *writecmd;
1089	aac_fib_init(fib);
1090	writecmd = (struct aac_write64 *) fib_data(fib);
1091	writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1092	writecmd->cid = cpu_to_le16(scmd_id(cmd));
1093	writecmd->sector_count = cpu_to_le16(count);
1094	writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1095	writecmd->pad	= 0;
1096	writecmd->flags	= 0;
1097
1098	aac_build_sg64(cmd, &writecmd->sg);
1099	fibsize = sizeof(struct aac_write64) +
1100		((le32_to_cpu(writecmd->sg.count) - 1) *
1101		 sizeof (struct sgentry64));
1102	BUG_ON (fibsize > (fib->dev->max_fib_size -
1103				sizeof(struct aac_fibhdr)));
1104	/*
1105	 *	Now send the Fib to the adapter
1106	 */
1107	return aac_fib_send(ContainerCommand64,
1108			  fib,
1109			  fibsize,
1110			  FsaNormal,
1111			  0, 1,
1112			  (fib_callback) io_callback,
1113			  (void *) cmd);
1114}
1115
1116static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1117{
1118	u16 fibsize;
1119	struct aac_write *writecmd;
1120	aac_fib_init(fib);
1121	writecmd = (struct aac_write *) fib_data(fib);
1122	writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1123	writecmd->cid = cpu_to_le32(scmd_id(cmd));
1124	writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1125	writecmd->count = cpu_to_le32(count * 512);
1126	writecmd->sg.count = cpu_to_le32(1);
1127	/* ->stable is not used - it did mean which type of write */
1128
1129	aac_build_sg(cmd, &writecmd->sg);
1130	fibsize = sizeof(struct aac_write) +
1131		((le32_to_cpu(writecmd->sg.count) - 1) *
1132		 sizeof (struct sgentry));
1133	BUG_ON (fibsize > (fib->dev->max_fib_size -
1134				sizeof(struct aac_fibhdr)));
1135	/*
1136	 *	Now send the Fib to the adapter
1137	 */
1138	return aac_fib_send(ContainerCommand,
1139			  fib,
1140			  fibsize,
1141			  FsaNormal,
1142			  0, 1,
1143			  (fib_callback) io_callback,
1144			  (void *) cmd);
1145}
1146
1147static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1148{
1149	struct aac_srb * srbcmd;
1150	u32 flag;
1151	u32 timeout;
1152
1153	aac_fib_init(fib);
1154	switch(cmd->sc_data_direction){
1155	case DMA_TO_DEVICE:
1156		flag = SRB_DataOut;
1157		break;
1158	case DMA_BIDIRECTIONAL:
1159		flag = SRB_DataIn | SRB_DataOut;
1160		break;
1161	case DMA_FROM_DEVICE:
1162		flag = SRB_DataIn;
1163		break;
1164	case DMA_NONE:
1165	default:	/* shuts up some versions of gcc */
1166		flag = SRB_NoDataXfer;
1167		break;
1168	}
1169
1170	srbcmd = (struct aac_srb*) fib_data(fib);
1171	srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1172	srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1173	srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1174	srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1175	srbcmd->flags    = cpu_to_le32(flag);
1176	timeout = cmd->request->timeout/HZ;
1177	if (timeout == 0)
1178		timeout = 1;
1179	srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1180	srbcmd->retry_limit = 0; /* Obsolete parameter */
1181	srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1182	return srbcmd;
1183}
1184
1185static void aac_srb_callback(void *context, struct fib * fibptr);
1186
1187static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1188{
1189	u16 fibsize;
1190	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1191
1192	aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1193	srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1194
1195	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1196	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1197	/*
1198	 *	Build Scatter/Gather list
1199	 */
1200	fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1201		((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1202		 sizeof (struct sgentry64));
1203	BUG_ON (fibsize > (fib->dev->max_fib_size -
1204				sizeof(struct aac_fibhdr)));
1205
1206	/*
1207	 *	Now send the Fib to the adapter
1208	 */
1209	return aac_fib_send(ScsiPortCommand64, fib,
1210				fibsize, FsaNormal, 0, 1,
1211				  (fib_callback) aac_srb_callback,
1212				  (void *) cmd);
1213}
1214
1215static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1216{
1217	u16 fibsize;
1218	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1219
1220	aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1221	srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1222
1223	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1224	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1225	/*
1226	 *	Build Scatter/Gather list
1227	 */
1228	fibsize = sizeof (struct aac_srb) +
1229		(((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1230		 sizeof (struct sgentry));
1231	BUG_ON (fibsize > (fib->dev->max_fib_size -
1232				sizeof(struct aac_fibhdr)));
1233
1234	/*
1235	 *	Now send the Fib to the adapter
1236	 */
1237	return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1238				  (fib_callback) aac_srb_callback, (void *) cmd);
1239}
1240
1241static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1242{
1243	if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1244	    (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1245		return FAILED;
1246	return aac_scsi_32(fib, cmd);
1247}
1248
1249int aac_get_adapter_info(struct aac_dev* dev)
1250{
1251	struct fib* fibptr;
1252	int rcode;
1253	u32 tmp;
1254	struct aac_adapter_info *info;
1255	struct aac_bus_info *command;
1256	struct aac_bus_info_response *bus_info;
1257
1258	if (!(fibptr = aac_fib_alloc(dev)))
1259		return -ENOMEM;
1260
1261	aac_fib_init(fibptr);
1262	info = (struct aac_adapter_info *) fib_data(fibptr);
1263	memset(info,0,sizeof(*info));
1264
1265	rcode = aac_fib_send(RequestAdapterInfo,
1266			 fibptr,
1267			 sizeof(*info),
1268			 FsaNormal,
1269			 -1, 1, /* First `interrupt' command uses special wait */
1270			 NULL,
1271			 NULL);
1272
1273	if (rcode < 0) {
1274		/* FIB should be freed only after
1275		 * getting the response from the F/W */
1276		if (rcode != -ERESTARTSYS) {
1277			aac_fib_complete(fibptr);
1278			aac_fib_free(fibptr);
1279		}
1280		return rcode;
1281	}
1282	memcpy(&dev->adapter_info, info, sizeof(*info));
1283
1284	if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1285		struct aac_supplement_adapter_info * sinfo;
1286
1287		aac_fib_init(fibptr);
1288
1289		sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1290
1291		memset(sinfo,0,sizeof(*sinfo));
1292
1293		rcode = aac_fib_send(RequestSupplementAdapterInfo,
1294				 fibptr,
1295				 sizeof(*sinfo),
1296				 FsaNormal,
1297				 1, 1,
1298				 NULL,
1299				 NULL);
1300
1301		if (rcode >= 0)
1302			memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1303		if (rcode == -ERESTARTSYS) {
1304			fibptr = aac_fib_alloc(dev);
1305			if (!fibptr)
1306				return -ENOMEM;
1307		}
1308
1309	}
1310
1311
1312	/*
1313	 * GetBusInfo
1314	 */
1315
1316	aac_fib_init(fibptr);
1317
1318	bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1319
1320	memset(bus_info, 0, sizeof(*bus_info));
1321
1322	command = (struct aac_bus_info *)bus_info;
1323
1324	command->Command = cpu_to_le32(VM_Ioctl);
1325	command->ObjType = cpu_to_le32(FT_DRIVE);
1326	command->MethodId = cpu_to_le32(1);
1327	command->CtlCmd = cpu_to_le32(GetBusInfo);
1328
1329	rcode = aac_fib_send(ContainerCommand,
1330			 fibptr,
1331			 sizeof (*bus_info),
1332			 FsaNormal,
1333			 1, 1,
1334			 NULL, NULL);
1335
1336	/* reasoned default */
1337	dev->maximum_num_physicals = 16;
1338	if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1339		dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1340		dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1341	}
1342
1343	if (!dev->in_reset) {
1344		char buffer[16];
1345		tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1346		printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1347			dev->name,
1348			dev->id,
1349			tmp>>24,
1350			(tmp>>16)&0xff,
1351			tmp&0xff,
1352			le32_to_cpu(dev->adapter_info.kernelbuild),
1353			(int)sizeof(dev->supplement_adapter_info.BuildDate),
1354			dev->supplement_adapter_info.BuildDate);
1355		tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1356		printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1357			dev->name, dev->id,
1358			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1359			le32_to_cpu(dev->adapter_info.monitorbuild));
1360		tmp = le32_to_cpu(dev->adapter_info.biosrev);
1361		printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1362			dev->name, dev->id,
1363			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1364			le32_to_cpu(dev->adapter_info.biosbuild));
1365		buffer[0] = '\0';
1366		if (aac_get_serial_number(
1367		  shost_to_class(dev->scsi_host_ptr), buffer))
1368			printk(KERN_INFO "%s%d: serial %s",
1369			  dev->name, dev->id, buffer);
1370		if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1371			printk(KERN_INFO "%s%d: TSID %.*s\n",
1372			  dev->name, dev->id,
1373			  (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1374			  dev->supplement_adapter_info.VpdInfo.Tsid);
1375		}
1376		if (!aac_check_reset || ((aac_check_reset == 1) &&
1377		  (dev->supplement_adapter_info.SupportedOptions2 &
1378		  AAC_OPTION_IGNORE_RESET))) {
1379			printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1380			  dev->name, dev->id);
1381		}
1382	}
1383
1384	dev->cache_protected = 0;
1385	dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1386		AAC_FEATURE_JBOD) != 0);
1387	dev->nondasd_support = 0;
1388	dev->raid_scsi_mode = 0;
1389	if(dev->adapter_info.options & AAC_OPT_NONDASD)
1390		dev->nondasd_support = 1;
1391
1392	/*
1393	 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1394	 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1395	 * force nondasd support on. If we decide to allow the non-dasd flag
1396	 * additional changes changes will have to be made to support
1397	 * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1398	 * changed to support the new dev->raid_scsi_mode flag instead of
1399	 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1400	 * function aac_detect will have to be modified where it sets up the
1401	 * max number of channels based on the aac->nondasd_support flag only.
1402	 */
1403	if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1404	    (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1405		dev->nondasd_support = 1;
1406		dev->raid_scsi_mode = 1;
1407	}
1408	if (dev->raid_scsi_mode != 0)
1409		printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1410				dev->name, dev->id);
1411
1412	if (nondasd != -1)
1413		dev->nondasd_support = (nondasd!=0);
1414	if (dev->nondasd_support && !dev->in_reset)
1415		printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1416
1417	if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1418		dev->needs_dac = 1;
1419	dev->dac_support = 0;
1420	if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1421	    (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1422		if (!dev->in_reset)
1423			printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1424				dev->name, dev->id);
1425		dev->dac_support = 1;
1426	}
1427
1428	if(dacmode != -1) {
1429		dev->dac_support = (dacmode!=0);
1430	}
1431
1432	/* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1433	if (dev->dac_support &&	(aac_get_driver_ident(dev->cardtype)->quirks
1434		& AAC_QUIRK_SCSI_32)) {
1435		dev->nondasd_support = 0;
1436		dev->jbod = 0;
1437		expose_physicals = 0;
1438	}
1439
1440	if(dev->dac_support != 0) {
1441		if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1442			!pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1443			if (!dev->in_reset)
1444				printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1445					dev->name, dev->id);
1446		} else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1447			!pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1448			printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1449				dev->name, dev->id);
1450			dev->dac_support = 0;
1451		} else {
1452			printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1453				dev->name, dev->id);
1454			rcode = -ENOMEM;
1455		}
1456	}
1457	/*
1458	 * Deal with configuring for the individualized limits of each packet
1459	 * interface.
1460	 */
1461	dev->a_ops.adapter_scsi = (dev->dac_support)
1462	  ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1463				? aac_scsi_32_64
1464				: aac_scsi_64)
1465				: aac_scsi_32;
1466	if (dev->raw_io_interface) {
1467		dev->a_ops.adapter_bounds = (dev->raw_io_64)
1468					? aac_bounds_64
1469					: aac_bounds_32;
1470		dev->a_ops.adapter_read = aac_read_raw_io;
1471		dev->a_ops.adapter_write = aac_write_raw_io;
1472	} else {
1473		dev->a_ops.adapter_bounds = aac_bounds_32;
1474		dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1475			sizeof(struct aac_fibhdr) -
1476			sizeof(struct aac_write) + sizeof(struct sgentry)) /
1477				sizeof(struct sgentry);
1478		if (dev->dac_support) {
1479			dev->a_ops.adapter_read = aac_read_block64;
1480			dev->a_ops.adapter_write = aac_write_block64;
1481			/*
1482			 * 38 scatter gather elements
1483			 */
1484			dev->scsi_host_ptr->sg_tablesize =
1485				(dev->max_fib_size -
1486				sizeof(struct aac_fibhdr) -
1487				sizeof(struct aac_write64) +
1488				sizeof(struct sgentry64)) /
1489					sizeof(struct sgentry64);
1490		} else {
1491			dev->a_ops.adapter_read = aac_read_block;
1492			dev->a_ops.adapter_write = aac_write_block;
1493		}
1494		dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1495		if (dev->adapter_info.options & AAC_OPT_NEW_COMM_TYPE1)
1496			dev->adapter_info.options |= AAC_OPT_NEW_COMM;
1497		if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1498			/*
1499			 * Worst case size that could cause sg overflow when
1500			 * we break up SG elements that are larger than 64KB.
1501			 * Would be nice if we could tell the SCSI layer what
1502			 * the maximum SG element size can be. Worst case is
1503			 * (sg_tablesize-1) 4KB elements with one 64KB
1504			 * element.
1505			 *	32bit -> 468 or 238KB	64bit -> 424 or 212KB
1506			 */
1507			dev->scsi_host_ptr->max_sectors =
1508			  (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1509		}
1510	}
1511	/* FIB should be freed only after getting the response from the F/W */
1512	if (rcode != -ERESTARTSYS) {
1513		aac_fib_complete(fibptr);
1514		aac_fib_free(fibptr);
1515	}
1516
1517	return rcode;
1518}
1519
1520
1521static void io_callback(void *context, struct fib * fibptr)
1522{
1523	struct aac_dev *dev;
1524	struct aac_read_reply *readreply;
1525	struct scsi_cmnd *scsicmd;
1526	u32 cid;
1527
1528	scsicmd = (struct scsi_cmnd *) context;
1529
1530	if (!aac_valid_context(scsicmd, fibptr))
1531		return;
1532
1533	dev = fibptr->dev;
1534	cid = scmd_id(scsicmd);
1535
1536	if (nblank(dprintk(x))) {
1537		u64 lba;
1538		switch (scsicmd->cmnd[0]) {
1539		case WRITE_6:
1540		case READ_6:
1541			lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1542			    (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1543			break;
1544		case WRITE_16:
1545		case READ_16:
1546			lba = ((u64)scsicmd->cmnd[2] << 56) |
1547			      ((u64)scsicmd->cmnd[3] << 48) |
1548			      ((u64)scsicmd->cmnd[4] << 40) |
1549			      ((u64)scsicmd->cmnd[5] << 32) |
1550			      ((u64)scsicmd->cmnd[6] << 24) |
1551			      (scsicmd->cmnd[7] << 16) |
1552			      (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1553			break;
1554		case WRITE_12:
1555		case READ_12:
1556			lba = ((u64)scsicmd->cmnd[2] << 24) |
1557			      (scsicmd->cmnd[3] << 16) |
1558			      (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1559			break;
1560		default:
1561			lba = ((u64)scsicmd->cmnd[2] << 24) |
1562			       (scsicmd->cmnd[3] << 16) |
1563			       (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1564			break;
1565		}
1566		printk(KERN_DEBUG
1567		  "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1568		  smp_processor_id(), (unsigned long long)lba, jiffies);
1569	}
1570
1571	BUG_ON(fibptr == NULL);
1572
1573	scsi_dma_unmap(scsicmd);
1574
1575	readreply = (struct aac_read_reply *)fib_data(fibptr);
1576	switch (le32_to_cpu(readreply->status)) {
1577	case ST_OK:
1578		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1579			SAM_STAT_GOOD;
1580		dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1581		break;
1582	case ST_NOT_READY:
1583		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1584			SAM_STAT_CHECK_CONDITION;
1585		set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1586		  SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1587		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1588		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1589			     SCSI_SENSE_BUFFERSIZE));
1590		break;
1591	default:
1592#ifdef AAC_DETAILED_STATUS_INFO
1593		printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1594		  le32_to_cpu(readreply->status));
1595#endif
1596		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1597			SAM_STAT_CHECK_CONDITION;
1598		set_sense(&dev->fsa_dev[cid].sense_data,
1599		  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1600		  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1601		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1602		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1603			     SCSI_SENSE_BUFFERSIZE));
1604		break;
1605	}
1606	aac_fib_complete(fibptr);
1607	aac_fib_free(fibptr);
1608
1609	scsicmd->scsi_done(scsicmd);
1610}
1611
1612static int aac_read(struct scsi_cmnd * scsicmd)
1613{
1614	u64 lba;
1615	u32 count;
1616	int status;
1617	struct aac_dev *dev;
1618	struct fib * cmd_fibcontext;
1619	int cid;
1620
1621	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1622	/*
1623	 *	Get block address and transfer length
1624	 */
1625	switch (scsicmd->cmnd[0]) {
1626	case READ_6:
1627		dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1628
1629		lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1630			(scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1631		count = scsicmd->cmnd[4];
1632
1633		if (count == 0)
1634			count = 256;
1635		break;
1636	case READ_16:
1637		dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1638
1639		lba =	((u64)scsicmd->cmnd[2] << 56) |
1640			((u64)scsicmd->cmnd[3] << 48) |
1641			((u64)scsicmd->cmnd[4] << 40) |
1642			((u64)scsicmd->cmnd[5] << 32) |
1643			((u64)scsicmd->cmnd[6] << 24) |
1644			(scsicmd->cmnd[7] << 16) |
1645			(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1646		count = (scsicmd->cmnd[10] << 24) |
1647			(scsicmd->cmnd[11] << 16) |
1648			(scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1649		break;
1650	case READ_12:
1651		dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1652
1653		lba = ((u64)scsicmd->cmnd[2] << 24) |
1654			(scsicmd->cmnd[3] << 16) |
1655			(scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1656		count = (scsicmd->cmnd[6] << 24) |
1657			(scsicmd->cmnd[7] << 16) |
1658			(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1659		break;
1660	default:
1661		dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1662
1663		lba = ((u64)scsicmd->cmnd[2] << 24) |
1664			(scsicmd->cmnd[3] << 16) |
1665			(scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1666		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1667		break;
1668	}
1669
1670	if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1671		cid = scmd_id(scsicmd);
1672		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1673		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1674			SAM_STAT_CHECK_CONDITION;
1675		set_sense(&dev->fsa_dev[cid].sense_data,
1676			  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1677			  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1678		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1679		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1680			     SCSI_SENSE_BUFFERSIZE));
1681		scsicmd->scsi_done(scsicmd);
1682		return 1;
1683	}
1684
1685	dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1686	  smp_processor_id(), (unsigned long long)lba, jiffies));
1687	if (aac_adapter_bounds(dev,scsicmd,lba))
1688		return 0;
1689	/*
1690	 *	Alocate and initialize a Fib
1691	 */
1692	if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1693		printk(KERN_WARNING "aac_read: fib allocation failed\n");
1694		return -1;
1695	}
1696
1697	status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1698
1699	/*
1700	 *	Check that the command queued to the controller
1701	 */
1702	if (status == -EINPROGRESS) {
1703		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1704		return 0;
1705	}
1706
1707	printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1708	/*
1709	 *	For some reason, the Fib didn't queue, return QUEUE_FULL
1710	 */
1711	scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1712	scsicmd->scsi_done(scsicmd);
1713	aac_fib_complete(cmd_fibcontext);
1714	aac_fib_free(cmd_fibcontext);
1715	return 0;
1716}
1717
1718static int aac_write(struct scsi_cmnd * scsicmd)
1719{
1720	u64 lba;
1721	u32 count;
1722	int fua;
1723	int status;
1724	struct aac_dev *dev;
1725	struct fib * cmd_fibcontext;
1726	int cid;
1727
1728	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1729	/*
1730	 *	Get block address and transfer length
1731	 */
1732	if (scsicmd->cmnd[0] == WRITE_6)	/* 6 byte command */
1733	{
1734		lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1735		count = scsicmd->cmnd[4];
1736		if (count == 0)
1737			count = 256;
1738		fua = 0;
1739	} else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1740		dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1741
1742		lba =	((u64)scsicmd->cmnd[2] << 56) |
1743			((u64)scsicmd->cmnd[3] << 48) |
1744			((u64)scsicmd->cmnd[4] << 40) |
1745			((u64)scsicmd->cmnd[5] << 32) |
1746			((u64)scsicmd->cmnd[6] << 24) |
1747			(scsicmd->cmnd[7] << 16) |
1748			(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1749		count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1750			(scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1751		fua = scsicmd->cmnd[1] & 0x8;
1752	} else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1753		dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1754
1755		lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1756		    | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1757		count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1758		      | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1759		fua = scsicmd->cmnd[1] & 0x8;
1760	} else {
1761		dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1762		lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1763		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1764		fua = scsicmd->cmnd[1] & 0x8;
1765	}
1766
1767	if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1768		cid = scmd_id(scsicmd);
1769		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1770		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1771			SAM_STAT_CHECK_CONDITION;
1772		set_sense(&dev->fsa_dev[cid].sense_data,
1773			  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1774			  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1775		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1776		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1777			     SCSI_SENSE_BUFFERSIZE));
1778		scsicmd->scsi_done(scsicmd);
1779		return 1;
1780	}
1781
1782	dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1783	  smp_processor_id(), (unsigned long long)lba, jiffies));
1784	if (aac_adapter_bounds(dev,scsicmd,lba))
1785		return 0;
1786	/*
1787	 *	Allocate and initialize a Fib then setup a BlockWrite command
1788	 */
1789	if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1790		/* FIB temporarily unavailable,not catastrophic failure */
1791
1792		/* scsicmd->result = DID_ERROR << 16;
1793		 * scsicmd->scsi_done(scsicmd);
1794		 * return 0;
1795		 */
1796		printk(KERN_WARNING "aac_write: fib allocation failed\n");
1797		return -1;
1798	}
1799
1800	status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1801
1802	/*
1803	 *	Check that the command queued to the controller
1804	 */
1805	if (status == -EINPROGRESS) {
1806		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1807		return 0;
1808	}
1809
1810	printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1811	/*
1812	 *	For some reason, the Fib didn't queue, return QUEUE_FULL
1813	 */
1814	scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1815	scsicmd->scsi_done(scsicmd);
1816
1817	aac_fib_complete(cmd_fibcontext);
1818	aac_fib_free(cmd_fibcontext);
1819	return 0;
1820}
1821
1822static void synchronize_callback(void *context, struct fib *fibptr)
1823{
1824	struct aac_synchronize_reply *synchronizereply;
1825	struct scsi_cmnd *cmd;
1826
1827	cmd = context;
1828
1829	if (!aac_valid_context(cmd, fibptr))
1830		return;
1831
1832	dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1833				smp_processor_id(), jiffies));
1834	BUG_ON(fibptr == NULL);
1835
1836
1837	synchronizereply = fib_data(fibptr);
1838	if (le32_to_cpu(synchronizereply->status) == CT_OK)
1839		cmd->result = DID_OK << 16 |
1840			COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1841	else {
1842		struct scsi_device *sdev = cmd->device;
1843		struct aac_dev *dev = fibptr->dev;
1844		u32 cid = sdev_id(sdev);
1845		printk(KERN_WARNING
1846		     "synchronize_callback: synchronize failed, status = %d\n",
1847		     le32_to_cpu(synchronizereply->status));
1848		cmd->result = DID_OK << 16 |
1849			COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1850		set_sense(&dev->fsa_dev[cid].sense_data,
1851		  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1852		  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1853		memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1854		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1855			     SCSI_SENSE_BUFFERSIZE));
1856	}
1857
1858	aac_fib_complete(fibptr);
1859	aac_fib_free(fibptr);
1860	cmd->scsi_done(cmd);
1861}
1862
1863static int aac_synchronize(struct scsi_cmnd *scsicmd)
1864{
1865	int status;
1866	struct fib *cmd_fibcontext;
1867	struct aac_synchronize *synchronizecmd;
1868	struct scsi_cmnd *cmd;
1869	struct scsi_device *sdev = scsicmd->device;
1870	int active = 0;
1871	struct aac_dev *aac;
1872	u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1873		(scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1874	u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1875	unsigned long flags;
1876
1877	/*
1878	 * Wait for all outstanding queued commands to complete to this
1879	 * specific target (block).
1880	 */
1881	spin_lock_irqsave(&sdev->list_lock, flags);
1882	list_for_each_entry(cmd, &sdev->cmd_list, list)
1883		if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1884			u64 cmnd_lba;
1885			u32 cmnd_count;
1886
1887			if (cmd->cmnd[0] == WRITE_6) {
1888				cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1889					(cmd->cmnd[2] << 8) |
1890					cmd->cmnd[3];
1891				cmnd_count = cmd->cmnd[4];
1892				if (cmnd_count == 0)
1893					cmnd_count = 256;
1894			} else if (cmd->cmnd[0] == WRITE_16) {
1895				cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1896					((u64)cmd->cmnd[3] << 48) |
1897					((u64)cmd->cmnd[4] << 40) |
1898					((u64)cmd->cmnd[5] << 32) |
1899					((u64)cmd->cmnd[6] << 24) |
1900					(cmd->cmnd[7] << 16) |
1901					(cmd->cmnd[8] << 8) |
1902					cmd->cmnd[9];
1903				cmnd_count = (cmd->cmnd[10] << 24) |
1904					(cmd->cmnd[11] << 16) |
1905					(cmd->cmnd[12] << 8) |
1906					cmd->cmnd[13];
1907			} else if (cmd->cmnd[0] == WRITE_12) {
1908				cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1909					(cmd->cmnd[3] << 16) |
1910					(cmd->cmnd[4] << 8) |
1911					cmd->cmnd[5];
1912				cmnd_count = (cmd->cmnd[6] << 24) |
1913					(cmd->cmnd[7] << 16) |
1914					(cmd->cmnd[8] << 8) |
1915					cmd->cmnd[9];
1916			} else if (cmd->cmnd[0] == WRITE_10) {
1917				cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1918					(cmd->cmnd[3] << 16) |
1919					(cmd->cmnd[4] << 8) |
1920					cmd->cmnd[5];
1921				cmnd_count = (cmd->cmnd[7] << 8) |
1922					cmd->cmnd[8];
1923			} else
1924				continue;
1925			if (((cmnd_lba + cmnd_count) < lba) ||
1926			  (count && ((lba + count) < cmnd_lba)))
1927				continue;
1928			++active;
1929			break;
1930		}
1931
1932	spin_unlock_irqrestore(&sdev->list_lock, flags);
1933
1934	/*
1935	 *	Yield the processor (requeue for later)
1936	 */
1937	if (active)
1938		return SCSI_MLQUEUE_DEVICE_BUSY;
1939
1940	aac = (struct aac_dev *)sdev->host->hostdata;
1941	if (aac->in_reset)
1942		return SCSI_MLQUEUE_HOST_BUSY;
1943
1944	/*
1945	 *	Allocate and initialize a Fib
1946	 */
1947	if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1948		return SCSI_MLQUEUE_HOST_BUSY;
1949
1950	aac_fib_init(cmd_fibcontext);
1951
1952	synchronizecmd = fib_data(cmd_fibcontext);
1953	synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1954	synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1955	synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1956	synchronizecmd->count =
1957	     cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1958
1959	/*
1960	 *	Now send the Fib to the adapter
1961	 */
1962	status = aac_fib_send(ContainerCommand,
1963		  cmd_fibcontext,
1964		  sizeof(struct aac_synchronize),
1965		  FsaNormal,
1966		  0, 1,
1967		  (fib_callback)synchronize_callback,
1968		  (void *)scsicmd);
1969
1970	/*
1971	 *	Check that the command queued to the controller
1972	 */
1973	if (status == -EINPROGRESS) {
1974		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1975		return 0;
1976	}
1977
1978	printk(KERN_WARNING
1979		"aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1980	aac_fib_complete(cmd_fibcontext);
1981	aac_fib_free(cmd_fibcontext);
1982	return SCSI_MLQUEUE_HOST_BUSY;
1983}
1984
1985static void aac_start_stop_callback(void *context, struct fib *fibptr)
1986{
1987	struct scsi_cmnd *scsicmd = context;
1988
1989	if (!aac_valid_context(scsicmd, fibptr))
1990		return;
1991
1992	BUG_ON(fibptr == NULL);
1993
1994	scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1995
1996	aac_fib_complete(fibptr);
1997	aac_fib_free(fibptr);
1998	scsicmd->scsi_done(scsicmd);
1999}
2000
2001static int aac_start_stop(struct scsi_cmnd *scsicmd)
2002{
2003	int status;
2004	struct fib *cmd_fibcontext;
2005	struct aac_power_management *pmcmd;
2006	struct scsi_device *sdev = scsicmd->device;
2007	struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2008
2009	if (!(aac->supplement_adapter_info.SupportedOptions2 &
2010	      AAC_OPTION_POWER_MANAGEMENT)) {
2011		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2012				  SAM_STAT_GOOD;
2013		scsicmd->scsi_done(scsicmd);
2014		return 0;
2015	}
2016
2017	if (aac->in_reset)
2018		return SCSI_MLQUEUE_HOST_BUSY;
2019
2020	/*
2021	 *	Allocate and initialize a Fib
2022	 */
2023	cmd_fibcontext = aac_fib_alloc(aac);
2024	if (!cmd_fibcontext)
2025		return SCSI_MLQUEUE_HOST_BUSY;
2026
2027	aac_fib_init(cmd_fibcontext);
2028
2029	pmcmd = fib_data(cmd_fibcontext);
2030	pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2031	pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2032	/* Eject bit ignored, not relevant */
2033	pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2034		cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2035	pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2036	pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2037		cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2038
2039	/*
2040	 *	Now send the Fib to the adapter
2041	 */
2042	status = aac_fib_send(ContainerCommand,
2043		  cmd_fibcontext,
2044		  sizeof(struct aac_power_management),
2045		  FsaNormal,
2046		  0, 1,
2047		  (fib_callback)aac_start_stop_callback,
2048		  (void *)scsicmd);
2049
2050	/*
2051	 *	Check that the command queued to the controller
2052	 */
2053	if (status == -EINPROGRESS) {
2054		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2055		return 0;
2056	}
2057
2058	aac_fib_complete(cmd_fibcontext);
2059	aac_fib_free(cmd_fibcontext);
2060	return SCSI_MLQUEUE_HOST_BUSY;
2061}
2062
2063/**
2064 *	aac_scsi_cmd()		-	Process SCSI command
2065 *	@scsicmd:		SCSI command block
2066 *
2067 *	Emulate a SCSI command and queue the required request for the
2068 *	aacraid firmware.
2069 */
2070
2071int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2072{
2073	u32 cid;
2074	struct Scsi_Host *host = scsicmd->device->host;
2075	struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2076	struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2077
2078	if (fsa_dev_ptr == NULL)
2079		return -1;
2080	/*
2081	 *	If the bus, id or lun is out of range, return fail
2082	 *	Test does not apply to ID 16, the pseudo id for the controller
2083	 *	itself.
2084	 */
2085	cid = scmd_id(scsicmd);
2086	if (cid != host->this_id) {
2087		if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2088			if((cid >= dev->maximum_num_containers) ||
2089					(scsicmd->device->lun != 0)) {
2090				scsicmd->result = DID_NO_CONNECT << 16;
2091				scsicmd->scsi_done(scsicmd);
2092				return 0;
2093			}
2094
2095			/*
2096			 *	If the target container doesn't exist, it may have
2097			 *	been newly created
2098			 */
2099			if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2100			  (fsa_dev_ptr[cid].sense_data.sense_key ==
2101			   NOT_READY)) {
2102				switch (scsicmd->cmnd[0]) {
2103				case SERVICE_ACTION_IN:
2104					if (!(dev->raw_io_interface) ||
2105					    !(dev->raw_io_64) ||
2106					    ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2107						break;
2108				case INQUIRY:
2109				case READ_CAPACITY:
2110				case TEST_UNIT_READY:
2111					if (dev->in_reset)
2112						return -1;
2113					return _aac_probe_container(scsicmd,
2114							aac_probe_container_callback2);
2115				default:
2116					break;
2117				}
2118			}
2119		} else {  /* check for physical non-dasd devices */
2120			if (dev->nondasd_support || expose_physicals ||
2121					dev->jbod) {
2122				if (dev->in_reset)
2123					return -1;
2124				return aac_send_srb_fib(scsicmd);
2125			} else {
2126				scsicmd->result = DID_NO_CONNECT << 16;
2127				scsicmd->scsi_done(scsicmd);
2128				return 0;
2129			}
2130		}
2131	}
2132	/*
2133	 * else Command for the controller itself
2134	 */
2135	else if ((scsicmd->cmnd[0] != INQUIRY) &&	/* only INQUIRY & TUR cmnd supported for controller */
2136		(scsicmd->cmnd[0] != TEST_UNIT_READY))
2137	{
2138		dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2139		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2140		set_sense(&dev->fsa_dev[cid].sense_data,
2141		  ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2142		  ASENCODE_INVALID_COMMAND, 0, 0);
2143		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2144		       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2145			     SCSI_SENSE_BUFFERSIZE));
2146		scsicmd->scsi_done(scsicmd);
2147		return 0;
2148	}
2149
2150
2151	/* Handle commands here that don't really require going out to the adapter */
2152	switch (scsicmd->cmnd[0]) {
2153	case INQUIRY:
2154	{
2155		struct inquiry_data inq_data;
2156
2157		dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2158		memset(&inq_data, 0, sizeof (struct inquiry_data));
2159
2160		if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2161			char *arr = (char *)&inq_data;
2162
2163			/* EVPD bit set */
2164			arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2165			  INQD_PDT_PROC : INQD_PDT_DA;
2166			if (scsicmd->cmnd[2] == 0) {
2167				/* supported vital product data pages */
2168				arr[3] = 2;
2169				arr[4] = 0x0;
2170				arr[5] = 0x80;
2171				arr[1] = scsicmd->cmnd[2];
2172				scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2173							 sizeof(inq_data));
2174				scsicmd->result = DID_OK << 16 |
2175				  COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2176			} else if (scsicmd->cmnd[2] == 0x80) {
2177				/* unit serial number page */
2178				arr[3] = setinqserial(dev, &arr[4],
2179				  scmd_id(scsicmd));
2180				arr[1] = scsicmd->cmnd[2];
2181				scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2182							 sizeof(inq_data));
2183				if (aac_wwn != 2)
2184					return aac_get_container_serial(
2185						scsicmd);
2186				/* SLES 10 SP1 special */
2187				scsicmd->result = DID_OK << 16 |
2188				  COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2189			} else {
2190				/* vpd page not implemented */
2191				scsicmd->result = DID_OK << 16 |
2192				  COMMAND_COMPLETE << 8 |
2193				  SAM_STAT_CHECK_CONDITION;
2194				set_sense(&dev->fsa_dev[cid].sense_data,
2195				  ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2196				  ASENCODE_NO_SENSE, 7, 2);
2197				memcpy(scsicmd->sense_buffer,
2198				  &dev->fsa_dev[cid].sense_data,
2199				  min_t(size_t,
2200					sizeof(dev->fsa_dev[cid].sense_data),
2201					SCSI_SENSE_BUFFERSIZE));
2202			}
2203			scsicmd->scsi_done(scsicmd);
2204			return 0;
2205		}
2206		inq_data.inqd_ver = 2;	/* claim compliance to SCSI-2 */
2207		inq_data.inqd_rdf = 2;	/* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
2208		inq_data.inqd_len = 31;
2209		/*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2210		inq_data.inqd_pad2= 0x32 ;	 /*WBus16|Sync|CmdQue */
2211		/*
2212		 *	Set the Vendor, Product, and Revision Level
2213		 *	see: <vendor>.c i.e. aac.c
2214		 */
2215		if (cid == host->this_id) {
2216			setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2217			inq_data.inqd_pdt = INQD_PDT_PROC;	/* Processor device */
2218			scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2219						 sizeof(inq_data));
2220			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2221			scsicmd->scsi_done(scsicmd);
2222			return 0;
2223		}
2224		if (dev->in_reset)
2225			return -1;
2226		setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2227		inq_data.inqd_pdt = INQD_PDT_DA;	/* Direct/random access device */
2228		scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2229		return aac_get_container_name(scsicmd);
2230	}
2231	case SERVICE_ACTION_IN:
2232		if (!(dev->raw_io_interface) ||
2233		    !(dev->raw_io_64) ||
2234		    ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2235			break;
2236	{
2237		u64 capacity;
2238		char cp[13];
2239		unsigned int alloc_len;
2240
2241		dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2242		capacity = fsa_dev_ptr[cid].size - 1;
2243		cp[0] = (capacity >> 56) & 0xff;
2244		cp[1] = (capacity >> 48) & 0xff;
2245		cp[2] = (capacity >> 40) & 0xff;
2246		cp[3] = (capacity >> 32) & 0xff;
2247		cp[4] = (capacity >> 24) & 0xff;
2248		cp[5] = (capacity >> 16) & 0xff;
2249		cp[6] = (capacity >> 8) & 0xff;
2250		cp[7] = (capacity >> 0) & 0xff;
2251		cp[8] = 0;
2252		cp[9] = 0;
2253		cp[10] = 2;
2254		cp[11] = 0;
2255		cp[12] = 0;
2256
2257		alloc_len = ((scsicmd->cmnd[10] << 24)
2258			     + (scsicmd->cmnd[11] << 16)
2259			     + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2260
2261		alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2262		scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2263		if (alloc_len < scsi_bufflen(scsicmd))
2264			scsi_set_resid(scsicmd,
2265				       scsi_bufflen(scsicmd) - alloc_len);
2266
2267		/* Do not cache partition table for arrays */
2268		scsicmd->device->removable = 1;
2269
2270		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2271		scsicmd->scsi_done(scsicmd);
2272
2273		return 0;
2274	}
2275
2276	case READ_CAPACITY:
2277	{
2278		u32 capacity;
2279		char cp[8];
2280
2281		dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2282		if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2283			capacity = fsa_dev_ptr[cid].size - 1;
2284		else
2285			capacity = (u32)-1;
2286
2287		cp[0] = (capacity >> 24) & 0xff;
2288		cp[1] = (capacity >> 16) & 0xff;
2289		cp[2] = (capacity >> 8) & 0xff;
2290		cp[3] = (capacity >> 0) & 0xff;
2291		cp[4] = 0;
2292		cp[5] = 0;
2293		cp[6] = 2;
2294		cp[7] = 0;
2295		scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2296		/* Do not cache partition table for arrays */
2297		scsicmd->device->removable = 1;
2298		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2299		  SAM_STAT_GOOD;
2300		scsicmd->scsi_done(scsicmd);
2301
2302		return 0;
2303	}
2304
2305	case MODE_SENSE:
2306	{
2307		char mode_buf[7];
2308		int mode_buf_length = 4;
2309
2310		dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2311		mode_buf[0] = 3;	/* Mode data length */
2312		mode_buf[1] = 0;	/* Medium type - default */
2313		mode_buf[2] = 0;	/* Device-specific param,
2314					   bit 8: 0/1 = write enabled/protected
2315					   bit 4: 0/1 = FUA enabled */
2316		if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2317			mode_buf[2] = 0x10;
2318		mode_buf[3] = 0;	/* Block descriptor length */
2319		if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2320		  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2321			mode_buf[0] = 6;
2322			mode_buf[4] = 8;
2323			mode_buf[5] = 1;
2324			mode_buf[6] = ((aac_cache & 6) == 2)
2325				? 0 : 0x04; /* WCE */
2326			mode_buf_length = 7;
2327			if (mode_buf_length > scsicmd->cmnd[4])
2328				mode_buf_length = scsicmd->cmnd[4];
2329		}
2330		scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2331		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2332		scsicmd->scsi_done(scsicmd);
2333
2334		return 0;
2335	}
2336	case MODE_SENSE_10:
2337	{
2338		char mode_buf[11];
2339		int mode_buf_length = 8;
2340
2341		dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2342		mode_buf[0] = 0;	/* Mode data length (MSB) */
2343		mode_buf[1] = 6;	/* Mode data length (LSB) */
2344		mode_buf[2] = 0;	/* Medium type - default */
2345		mode_buf[3] = 0;	/* Device-specific param,
2346					   bit 8: 0/1 = write enabled/protected
2347					   bit 4: 0/1 = FUA enabled */
2348		if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2349			mode_buf[3] = 0x10;
2350		mode_buf[4] = 0;	/* reserved */
2351		mode_buf[5] = 0;	/* reserved */
2352		mode_buf[6] = 0;	/* Block descriptor length (MSB) */
2353		mode_buf[7] = 0;	/* Block descriptor length (LSB) */
2354		if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2355		  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2356			mode_buf[1] = 9;
2357			mode_buf[8] = 8;
2358			mode_buf[9] = 1;
2359			mode_buf[10] = ((aac_cache & 6) == 2)
2360				? 0 : 0x04; /* WCE */
2361			mode_buf_length = 11;
2362			if (mode_buf_length > scsicmd->cmnd[8])
2363				mode_buf_length = scsicmd->cmnd[8];
2364		}
2365		scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2366
2367		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2368		scsicmd->scsi_done(scsicmd);
2369
2370		return 0;
2371	}
2372	case REQUEST_SENSE:
2373		dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2374		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2375		memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2376		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2377		scsicmd->scsi_done(scsicmd);
2378		return 0;
2379
2380	case ALLOW_MEDIUM_REMOVAL:
2381		dprintk((KERN_DEBUG "LOCK command.\n"));
2382		if (scsicmd->cmnd[4])
2383			fsa_dev_ptr[cid].locked = 1;
2384		else
2385			fsa_dev_ptr[cid].locked = 0;
2386
2387		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2388		scsicmd->scsi_done(scsicmd);
2389		return 0;
2390	/*
2391	 *	These commands are all No-Ops
2392	 */
2393	case TEST_UNIT_READY:
2394		if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2395			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2396				SAM_STAT_CHECK_CONDITION;
2397			set_sense(&dev->fsa_dev[cid].sense_data,
2398				  NOT_READY, SENCODE_BECOMING_READY,
2399				  ASENCODE_BECOMING_READY, 0, 0);
2400			memcpy(scsicmd->sense_buffer,
2401			       &dev->fsa_dev[cid].sense_data,
2402			       min_t(size_t,
2403				     sizeof(dev->fsa_dev[cid].sense_data),
2404				     SCSI_SENSE_BUFFERSIZE));
2405			scsicmd->scsi_done(scsicmd);
2406			return 0;
2407		}
2408		/* FALLTHRU */
2409	case RESERVE:
2410	case RELEASE:
2411	case REZERO_UNIT:
2412	case REASSIGN_BLOCKS:
2413	case SEEK_10:
2414		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2415		scsicmd->scsi_done(scsicmd);
2416		return 0;
2417
2418	case START_STOP:
2419		return aac_start_stop(scsicmd);
2420	}
2421
2422	switch (scsicmd->cmnd[0])
2423	{
2424		case READ_6:
2425		case READ_10:
2426		case READ_12:
2427		case READ_16:
2428			if (dev->in_reset)
2429				return -1;
2430			/*
2431			 *	Hack to keep track of ordinal number of the device that
2432			 *	corresponds to a container. Needed to convert
2433			 *	containers to /dev/sd device names
2434			 */
2435
2436			if (scsicmd->request->rq_disk)
2437				strlcpy(fsa_dev_ptr[cid].devname,
2438				scsicmd->request->rq_disk->disk_name,
2439				min(sizeof(fsa_dev_ptr[cid].devname),
2440				sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2441
2442			return aac_read(scsicmd);
2443
2444		case WRITE_6:
2445		case WRITE_10:
2446		case WRITE_12:
2447		case WRITE_16:
2448			if (dev->in_reset)
2449				return -1;
2450			return aac_write(scsicmd);
2451
2452		case SYNCHRONIZE_CACHE:
2453			if (((aac_cache & 6) == 6) && dev->cache_protected) {
2454				scsicmd->result = DID_OK << 16 |
2455					COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2456				scsicmd->scsi_done(scsicmd);
2457				return 0;
2458			}
2459			/* Issue FIB to tell Firmware to flush it's cache */
2460			if ((aac_cache & 6) != 2)
2461				return aac_synchronize(scsicmd);
2462			/* FALLTHRU */
2463		default:
2464			/*
2465			 *	Unhandled commands
2466			 */
2467			dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2468			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2469			set_sense(&dev->fsa_dev[cid].sense_data,
2470			  ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2471			  ASENCODE_INVALID_COMMAND, 0, 0);
2472			memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2473				min_t(size_t,
2474				      sizeof(dev->fsa_dev[cid].sense_data),
2475				      SCSI_SENSE_BUFFERSIZE));
2476			scsicmd->scsi_done(scsicmd);
2477			return 0;
2478	}
2479}
2480
2481static int query_disk(struct aac_dev *dev, void __user *arg)
2482{
2483	struct aac_query_disk qd;
2484	struct fsa_dev_info *fsa_dev_ptr;
2485
2486	fsa_dev_ptr = dev->fsa_dev;
2487	if (!fsa_dev_ptr)
2488		return -EBUSY;
2489	if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2490		return -EFAULT;
2491	if (qd.cnum == -1)
2492		qd.cnum = qd.id;
2493	else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2494	{
2495		if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2496			return -EINVAL;
2497		qd.instance = dev->scsi_host_ptr->host_no;
2498		qd.bus = 0;
2499		qd.id = CONTAINER_TO_ID(qd.cnum);
2500		qd.lun = CONTAINER_TO_LUN(qd.cnum);
2501	}
2502	else return -EINVAL;
2503
2504	qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2505	qd.locked = fsa_dev_ptr[qd.cnum].locked;
2506	qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2507
2508	if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2509		qd.unmapped = 1;
2510	else
2511		qd.unmapped = 0;
2512
2513	strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2514	  min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2515
2516	if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2517		return -EFAULT;
2518	return 0;
2519}
2520
2521static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2522{
2523	struct aac_delete_disk dd;
2524	struct fsa_dev_info *fsa_dev_ptr;
2525
2526	fsa_dev_ptr = dev->fsa_dev;
2527	if (!fsa_dev_ptr)
2528		return -EBUSY;
2529
2530	if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2531		return -EFAULT;
2532
2533	if (dd.cnum >= dev->maximum_num_containers)
2534		return -EINVAL;
2535	/*
2536	 *	Mark this container as being deleted.
2537	 */
2538	fsa_dev_ptr[dd.cnum].deleted = 1;
2539	/*
2540	 *	Mark the container as no longer valid
2541	 */
2542	fsa_dev_ptr[dd.cnum].valid = 0;
2543	return 0;
2544}
2545
2546static int delete_disk(struct aac_dev *dev, void __user *arg)
2547{
2548	struct aac_delete_disk dd;
2549	struct fsa_dev_info *fsa_dev_ptr;
2550
2551	fsa_dev_ptr = dev->fsa_dev;
2552	if (!fsa_dev_ptr)
2553		return -EBUSY;
2554
2555	if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2556		return -EFAULT;
2557
2558	if (dd.cnum >= dev->maximum_num_containers)
2559		return -EINVAL;
2560	/*
2561	 *	If the container is locked, it can not be deleted by the API.
2562	 */
2563	if (fsa_dev_ptr[dd.cnum].locked)
2564		return -EBUSY;
2565	else {
2566		/*
2567		 *	Mark the container as no longer being valid.
2568		 */
2569		fsa_dev_ptr[dd.cnum].valid = 0;
2570		fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2571		return 0;
2572	}
2573}
2574
2575int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2576{
2577	switch (cmd) {
2578	case FSACTL_QUERY_DISK:
2579		return query_disk(dev, arg);
2580	case FSACTL_DELETE_DISK:
2581		return delete_disk(dev, arg);
2582	case FSACTL_FORCE_DELETE_DISK:
2583		return force_delete_disk(dev, arg);
2584	case FSACTL_GET_CONTAINERS:
2585		return aac_get_containers(dev);
2586	default:
2587		return -ENOTTY;
2588	}
2589}
2590
2591/**
2592 *
2593 * aac_srb_callback
2594 * @context: the context set in the fib - here it is scsi cmd
2595 * @fibptr: pointer to the fib
2596 *
2597 * Handles the completion of a scsi command to a non dasd device
2598 *
2599 */
2600
2601static void aac_srb_callback(void *context, struct fib * fibptr)
2602{
2603	struct aac_dev *dev;
2604	struct aac_srb_reply *srbreply;
2605	struct scsi_cmnd *scsicmd;
2606
2607	scsicmd = (struct scsi_cmnd *) context;
2608
2609	if (!aac_valid_context(scsicmd, fibptr))
2610		return;
2611
2612	BUG_ON(fibptr == NULL);
2613
2614	dev = fibptr->dev;
2615
2616	srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2617
2618	scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2619	/*
2620	 *	Calculate resid for sg
2621	 */
2622
2623	scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2624		       - le32_to_cpu(srbreply->data_xfer_length));
2625
2626	scsi_dma_unmap(scsicmd);
2627
2628	/* expose physical device if expose_physicald flag is on */
2629	if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
2630	  && expose_physicals > 0)
2631		aac_expose_phy_device(scsicmd);
2632
2633	/*
2634	 * First check the fib status
2635	 */
2636
2637	if (le32_to_cpu(srbreply->status) != ST_OK){
2638		int len;
2639		printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2640		len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2641			    SCSI_SENSE_BUFFERSIZE);
2642		scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2643		memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2644	}
2645
2646	/*
2647	 * Next check the srb status
2648	 */
2649	switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2650	case SRB_STATUS_ERROR_RECOVERY:
2651	case SRB_STATUS_PENDING:
2652	case SRB_STATUS_SUCCESS:
2653		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2654		break;
2655	case SRB_STATUS_DATA_OVERRUN:
2656		switch(scsicmd->cmnd[0]){
2657		case  READ_6:
2658		case  WRITE_6:
2659		case  READ_10:
2660		case  WRITE_10:
2661		case  READ_12:
2662		case  WRITE_12:
2663		case  READ_16:
2664		case  WRITE_16:
2665			if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
2666				printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2667			} else {
2668				printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2669			}
2670			scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2671			break;
2672		case INQUIRY: {
2673			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2674			break;
2675		}
2676		default:
2677			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2678			break;
2679		}
2680		break;
2681	case SRB_STATUS_ABORTED:
2682		scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2683		break;
2684	case SRB_STATUS_ABORT_FAILED:
2685		// Not sure about this one - but assuming the hba was trying to abort for some reason
2686		scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2687		break;
2688	case SRB_STATUS_PARITY_ERROR:
2689		scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2690		break;
2691	case SRB_STATUS_NO_DEVICE:
2692	case SRB_STATUS_INVALID_PATH_ID:
2693	case SRB_STATUS_INVALID_TARGET_ID:
2694	case SRB_STATUS_INVALID_LUN:
2695	case SRB_STATUS_SELECTION_TIMEOUT:
2696		scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2697		break;
2698
2699	case SRB_STATUS_COMMAND_TIMEOUT:
2700	case SRB_STATUS_TIMEOUT:
2701		scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2702		break;
2703
2704	case SRB_STATUS_BUSY:
2705		scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2706		break;
2707
2708	case SRB_STATUS_BUS_RESET:
2709		scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2710		break;
2711
2712	case SRB_STATUS_MESSAGE_REJECTED:
2713		scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2714		break;
2715	case SRB_STATUS_REQUEST_FLUSHED:
2716	case SRB_STATUS_ERROR:
2717	case SRB_STATUS_INVALID_REQUEST:
2718	case SRB_STATUS_REQUEST_SENSE_FAILED:
2719	case SRB_STATUS_NO_HBA:
2720	case SRB_STATUS_UNEXPECTED_BUS_FREE:
2721	case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2722	case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2723	case SRB_STATUS_DELAYED_RETRY:
2724	case SRB_STATUS_BAD_FUNCTION:
2725	case SRB_STATUS_NOT_STARTED:
2726	case SRB_STATUS_NOT_IN_USE:
2727	case SRB_STATUS_FORCE_ABORT:
2728	case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2729	default:
2730#ifdef AAC_DETAILED_STATUS_INFO
2731		printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2732			le32_to_cpu(srbreply->srb_status) & 0x3F,
2733			aac_get_status_string(
2734				le32_to_cpu(srbreply->srb_status) & 0x3F),
2735			scsicmd->cmnd[0],
2736			le32_to_cpu(srbreply->scsi_status));
2737#endif
2738		if ((scsicmd->cmnd[0] == ATA_12)
2739		  || (scsicmd->cmnd[0] == ATA_16)) {
2740			if (scsicmd->cmnd[2] & (0x01 << 5)) {
2741				scsicmd->result = DID_OK << 16
2742						| COMMAND_COMPLETE << 8;
2743				break;
2744			} else {
2745				scsicmd->result = DID_ERROR << 16
2746						| COMMAND_COMPLETE << 8;
2747				break;
2748			}
2749		} else {
2750			scsicmd->result = DID_ERROR << 16
2751					| COMMAND_COMPLETE << 8;
2752			break;
2753		}
2754	}
2755	if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
2756		int len;
2757		scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2758		len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2759			    SCSI_SENSE_BUFFERSIZE);
2760#ifdef AAC_DETAILED_STATUS_INFO
2761		printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2762					le32_to_cpu(srbreply->status), len);
2763#endif
2764		memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2765	}
2766	/*
2767	 * OR in the scsi status (already shifted up a bit)
2768	 */
2769	scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2770
2771	aac_fib_complete(fibptr);
2772	aac_fib_free(fibptr);
2773	scsicmd->scsi_done(scsicmd);
2774}
2775
2776/**
2777 *
2778 * aac_send_scb_fib
2779 * @scsicmd: the scsi command block
2780 *
2781 * This routine will form a FIB and fill in the aac_srb from the
2782 * scsicmd passed in.
2783 */
2784
2785static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2786{
2787	struct fib* cmd_fibcontext;
2788	struct aac_dev* dev;
2789	int status;
2790
2791	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2792	if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2793			scsicmd->device->lun > 7) {
2794		scsicmd->result = DID_NO_CONNECT << 16;
2795		scsicmd->scsi_done(scsicmd);
2796		return 0;
2797	}
2798
2799	/*
2800	 *	Allocate and initialize a Fib then setup a BlockWrite command
2801	 */
2802	if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2803		return -1;
2804	}
2805	status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2806
2807	/*
2808	 *	Check that the command queued to the controller
2809	 */
2810	if (status == -EINPROGRESS) {
2811		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2812		return 0;
2813	}
2814
2815	printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2816	aac_fib_complete(cmd_fibcontext);
2817	aac_fib_free(cmd_fibcontext);
2818
2819	return -1;
2820}
2821
2822static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2823{
2824	struct aac_dev *dev;
2825	unsigned long byte_count = 0;
2826	int nseg;
2827
2828	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2829	// Get rid of old data
2830	psg->count = 0;
2831	psg->sg[0].addr = 0;
2832	psg->sg[0].count = 0;
2833
2834	nseg = scsi_dma_map(scsicmd);
2835	BUG_ON(nseg < 0);
2836	if (nseg) {
2837		struct scatterlist *sg;
2838		int i;
2839
2840		psg->count = cpu_to_le32(nseg);
2841
2842		scsi_for_each_sg(scsicmd, sg, nseg, i) {
2843			psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2844			psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2845			byte_count += sg_dma_len(sg);
2846		}
2847		/* hba wants the size to be exact */
2848		if (byte_count > scsi_bufflen(scsicmd)) {
2849			u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2850				(byte_count - scsi_bufflen(scsicmd));
2851			psg->sg[i-1].count = cpu_to_le32(temp);
2852			byte_count = scsi_bufflen(scsicmd);
2853		}
2854		/* Check for command underflow */
2855		if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2856			printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2857					byte_count, scsicmd->underflow);
2858		}
2859	}
2860	return byte_count;
2861}
2862
2863
2864static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2865{
2866	struct aac_dev *dev;
2867	unsigned long byte_count = 0;
2868	u64 addr;
2869	int nseg;
2870
2871	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2872	// Get rid of old data
2873	psg->count = 0;
2874	psg->sg[0].addr[0] = 0;
2875	psg->sg[0].addr[1] = 0;
2876	psg->sg[0].count = 0;
2877
2878	nseg = scsi_dma_map(scsicmd);
2879	BUG_ON(nseg < 0);
2880	if (nseg) {
2881		struct scatterlist *sg;
2882		int i;
2883
2884		scsi_for_each_sg(scsicmd, sg, nseg, i) {
2885			int count = sg_dma_len(sg);
2886			addr = sg_dma_address(sg);
2887			psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2888			psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2889			psg->sg[i].count = cpu_to_le32(count);
2890			byte_count += count;
2891		}
2892		psg->count = cpu_to_le32(nseg);
2893		/* hba wants the size to be exact */
2894		if (byte_count > scsi_bufflen(scsicmd)) {
2895			u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2896				(byte_count - scsi_bufflen(scsicmd));
2897			psg->sg[i-1].count = cpu_to_le32(temp);
2898			byte_count = scsi_bufflen(scsicmd);
2899		}
2900		/* Check for command underflow */
2901		if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2902			printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2903					byte_count, scsicmd->underflow);
2904		}
2905	}
2906	return byte_count;
2907}
2908
2909static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2910{
2911	unsigned long byte_count = 0;
2912	int nseg;
2913
2914	// Get rid of old data
2915	psg->count = 0;
2916	psg->sg[0].next = 0;
2917	psg->sg[0].prev = 0;
2918	psg->sg[0].addr[0] = 0;
2919	psg->sg[0].addr[1] = 0;
2920	psg->sg[0].count = 0;
2921	psg->sg[0].flags = 0;
2922
2923	nseg = scsi_dma_map(scsicmd);
2924	BUG_ON(nseg < 0);
2925	if (nseg) {
2926		struct scatterlist *sg;
2927		int i;
2928
2929		scsi_for_each_sg(scsicmd, sg, nseg, i) {
2930			int count = sg_dma_len(sg);
2931			u64 addr = sg_dma_address(sg);
2932			psg->sg[i].next = 0;
2933			psg->sg[i].prev = 0;
2934			psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2935			psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2936			psg->sg[i].count = cpu_to_le32(count);
2937			psg->sg[i].flags = 0;
2938			byte_count += count;
2939		}
2940		psg->count = cpu_to_le32(nseg);
2941		/* hba wants the size to be exact */
2942		if (byte_count > scsi_bufflen(scsicmd)) {
2943			u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2944				(byte_count - scsi_bufflen(scsicmd));
2945			psg->sg[i-1].count = cpu_to_le32(temp);
2946			byte_count = scsi_bufflen(scsicmd);
2947		}
2948		/* Check for command underflow */
2949		if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2950			printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2951					byte_count, scsicmd->underflow);
2952		}
2953	}
2954	return byte_count;
2955}
2956
2957#ifdef AAC_DETAILED_STATUS_INFO
2958
2959struct aac_srb_status_info {
2960	u32	status;
2961	char	*str;
2962};
2963
2964
2965static struct aac_srb_status_info srb_status_info[] = {
2966	{ SRB_STATUS_PENDING,		"Pending Status"},
2967	{ SRB_STATUS_SUCCESS,		"Success"},
2968	{ SRB_STATUS_ABORTED,		"Aborted Command"},
2969	{ SRB_STATUS_ABORT_FAILED,	"Abort Failed"},
2970	{ SRB_STATUS_ERROR,		"Error Event"},
2971	{ SRB_STATUS_BUSY,		"Device Busy"},
2972	{ SRB_STATUS_INVALID_REQUEST,	"Invalid Request"},
2973	{ SRB_STATUS_INVALID_PATH_ID,	"Invalid Path ID"},
2974	{ SRB_STATUS_NO_DEVICE,		"No Device"},
2975	{ SRB_STATUS_TIMEOUT,		"Timeout"},
2976	{ SRB_STATUS_SELECTION_TIMEOUT,	"Selection Timeout"},
2977	{ SRB_STATUS_COMMAND_TIMEOUT,	"Command Timeout"},
2978	{ SRB_STATUS_MESSAGE_REJECTED,	"Message Rejected"},
2979	{ SRB_STATUS_BUS_RESET,		"Bus Reset"},
2980	{ SRB_STATUS_PARITY_ERROR,	"Parity Error"},
2981	{ SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2982	{ SRB_STATUS_NO_HBA,		"No HBA"},
2983	{ SRB_STATUS_DATA_OVERRUN,	"Data Overrun/Data Underrun"},
2984	{ SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2985	{ SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2986	{ SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2987	{ SRB_STATUS_REQUEST_FLUSHED,	"Request Flushed"},
2988	{ SRB_STATUS_DELAYED_RETRY,	"Delayed Retry"},
2989	{ SRB_STATUS_INVALID_LUN,	"Invalid LUN"},
2990	{ SRB_STATUS_INVALID_TARGET_ID,	"Invalid TARGET ID"},
2991	{ SRB_STATUS_BAD_FUNCTION,	"Bad Function"},
2992	{ SRB_STATUS_ERROR_RECOVERY,	"Error Recovery"},
2993	{ SRB_STATUS_NOT_STARTED,	"Not Started"},
2994	{ SRB_STATUS_NOT_IN_USE,	"Not In Use"},
2995	{ SRB_STATUS_FORCE_ABORT,	"Force Abort"},
2996	{ SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2997	{ 0xff,				"Unknown Error"}
2998};
2999
3000char *aac_get_status_string(u32 status)
3001{
3002	int i;
3003
3004	for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
3005		if (srb_status_info[i].status == status)
3006			return srb_status_info[i].str;
3007
3008	return "Bad Status Code";
3009}
3010
3011#endif