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 * Module Name:
  26 *   linit.c
  27 *
  28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  29 */
  30
  31
  32#include <linux/compat.h>
  33#include <linux/blkdev.h>
  34#include <linux/completion.h>
  35#include <linux/init.h>
  36#include <linux/interrupt.h>
  37#include <linux/kernel.h>
  38#include <linux/module.h>
  39#include <linux/moduleparam.h>
  40#include <linux/pci.h>
  41#include <linux/pci-aspm.h>
  42#include <linux/slab.h>
  43#include <linux/mutex.h>
  44#include <linux/spinlock.h>
  45#include <linux/syscalls.h>
  46#include <linux/delay.h>
  47#include <linux/kthread.h>
  48
  49#include <scsi/scsi.h>
  50#include <scsi/scsi_cmnd.h>
  51#include <scsi/scsi_device.h>
  52#include <scsi/scsi_host.h>
  53#include <scsi/scsi_tcq.h>
  54#include <scsi/scsicam.h>
  55#include <scsi/scsi_eh.h>
  56
  57#include "aacraid.h"
  58
  59#define AAC_DRIVER_VERSION		"1.2-0"
  60#ifndef AAC_DRIVER_BRANCH
  61#define AAC_DRIVER_BRANCH		""
  62#endif
  63#define AAC_DRIVERNAME			"aacraid"
  64
  65#ifdef AAC_DRIVER_BUILD
  66#define _str(x) #x
  67#define str(x) _str(x)
  68#define AAC_DRIVER_FULL_VERSION	AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  69#else
  70#define AAC_DRIVER_FULL_VERSION	AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  71#endif
  72
  73MODULE_AUTHOR("Red Hat Inc and Adaptec");
  74MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  75		   "Adaptec Advanced Raid Products, "
  76		   "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  77MODULE_LICENSE("GPL");
  78MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  79
  80static DEFINE_MUTEX(aac_mutex);
  81static LIST_HEAD(aac_devices);
  82static int aac_cfg_major = -1;
  83char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  84
  85/*
  86 * Because of the way Linux names scsi devices, the order in this table has
  87 * become important.  Check for on-board Raid first, add-in cards second.
  88 *
  89 * Note: The last field is used to index into aac_drivers below.
  90 */
  91static const struct pci_device_id aac_pci_tbl[] = {
 
 
 
 
 
 
  92	{ 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  93	{ 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  94	{ 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  95	{ 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  96	{ 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  97	{ 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  98	{ 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  99	{ 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 100	{ 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 101	{ 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 102	{ 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 103	{ 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 104	{ 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 105	{ 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 106	{ 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 107	{ 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 108
 109	{ 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 110	{ 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 111	{ 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 112	{ 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 113	{ 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 114	{ 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 115	{ 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 116	{ 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 117	{ 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 118	{ 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 119	{ 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 120	{ 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 121	{ 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 122	{ 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 123	{ 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 124	{ 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 125	{ 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 126	{ 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 127	{ 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 128	{ 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 129	{ 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 130	{ 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 131	{ 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 132	{ 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 133	{ 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 134	{ 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 135	{ 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 136	{ 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 137	{ 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 138	{ 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 139	{ 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 140	{ 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 141	{ 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 142	{ 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 143	{ 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 144	{ 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 145	{ 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 146	{ 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 147
 148	{ 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 149	{ 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 150	{ 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 151	{ 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 152	{ 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 153
 154	{ 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 155	{ 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 156	{ 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 157	{ 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 158	{ 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 159	{ 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 160	{ 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 161	{ 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 162	{ 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
 163	{ 0,}
 164};
 165MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 166
 167/*
 168 * dmb - For now we add the number of channels to this structure.
 169 * In the future we should add a fib that reports the number of channels
 170 * for the card.  At that time we can remove the channels from here
 171 */
 172static struct aac_driver_ident aac_drivers[] = {
 173	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 174	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 175	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 176	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 177	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 178	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 179	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 180	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 181	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 182	{ aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 183	{ aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 184	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },		      /* Adaptec 2120S (Crusader) */
 185	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },		      /* Adaptec 2200S (Vulcan) */
 186	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 187	{ aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 188	{ aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 189
 190	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 191	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 192	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 193	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 194	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 195	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 196	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 197	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 198	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 199	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 200	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 201	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 202	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 203	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 204	{ aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 205	{ aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 206	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 207	{ NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 208	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 209	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 210	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 211	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 212	{ aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 213	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 214	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 215	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 216	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 217	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 218	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 219	{ aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 220	{ aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 221	{ aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 222	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 223	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 224	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 225	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 226
 227	{ aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 228	{ aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 229	{ aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 230	{ aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 231	{ aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 232
 233	{ aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 234	{ aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 235	{ aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 236	{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 237	{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 238	{ aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
 239	{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 7 (Denali) */
 240	{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 8 */
 241	{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Series 9 */
 242};
 243
 244/**
 245 *	aac_queuecommand	-	queue a SCSI command
 246 *	@cmd:		SCSI command to queue
 247 *	@done:		Function to call on command completion
 248 *
 249 *	Queues a command for execution by the associated Host Adapter.
 250 *
 251 *	TODO: unify with aac_scsi_cmd().
 252 */
 253
 254static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 255{
 256	struct Scsi_Host *host = cmd->device->host;
 257	struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 258	u32 count = 0;
 259	cmd->scsi_done = done;
 260	for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 261		struct fib * fib = &dev->fibs[count];
 262		struct scsi_cmnd * command;
 263		if (fib->hw_fib_va->header.XferState &&
 264		    ((command = fib->callback_data)) &&
 265		    (command == cmd) &&
 266		    (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 267			return 0; /* Already owned by Adapter */
 268	}
 269	cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 270	return (aac_scsi_cmd(cmd) ? FAILED : 0);
 271}
 272
 273static DEF_SCSI_QCMD(aac_queuecommand)
 274
 275/**
 276 *	aac_info		-	Returns the host adapter name
 277 *	@shost:		Scsi host to report on
 278 *
 279 *	Returns a static string describing the device in question
 280 */
 281
 282static const char *aac_info(struct Scsi_Host *shost)
 283{
 284	struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 285	return aac_drivers[dev->cardtype].name;
 286}
 287
 288/**
 289 *	aac_get_driver_ident
 290 *	@devtype: index into lookup table
 291 *
 292 *	Returns a pointer to the entry in the driver lookup table.
 293 */
 294
 295struct aac_driver_ident* aac_get_driver_ident(int devtype)
 296{
 297	return &aac_drivers[devtype];
 298}
 299
 300/**
 301 *	aac_biosparm	-	return BIOS parameters for disk
 302 *	@sdev: The scsi device corresponding to the disk
 303 *	@bdev: the block device corresponding to the disk
 304 *	@capacity: the sector capacity of the disk
 305 *	@geom: geometry block to fill in
 306 *
 307 *	Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 308 *	The default disk geometry is 64 heads, 32 sectors, and the appropriate
 309 *	number of cylinders so as not to exceed drive capacity.  In order for
 310 *	disks equal to or larger than 1 GB to be addressable by the BIOS
 311 *	without exceeding the BIOS limitation of 1024 cylinders, Extended
 312 *	Translation should be enabled.   With Extended Translation enabled,
 313 *	drives between 1 GB inclusive and 2 GB exclusive are given a disk
 314 *	geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 315 *	are given a disk geometry of 255 heads and 63 sectors.  However, if
 316 *	the BIOS detects that the Extended Translation setting does not match
 317 *	the geometry in the partition table, then the translation inferred
 318 *	from the partition table will be used by the BIOS, and a warning may
 319 *	be displayed.
 320 */
 321
 322static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 323			sector_t capacity, int *geom)
 324{
 325	struct diskparm *param = (struct diskparm *)geom;
 326	unsigned char *buf;
 327
 328	dprintk((KERN_DEBUG "aac_biosparm.\n"));
 329
 330	/*
 331	 *	Assuming extended translation is enabled - #REVISIT#
 332	 */
 333	if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 334		if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 335			param->heads = 255;
 336			param->sectors = 63;
 337		} else {
 338			param->heads = 128;
 339			param->sectors = 32;
 340		}
 341	} else {
 342		param->heads = 64;
 343		param->sectors = 32;
 344	}
 345
 346	param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 347
 348	/*
 349	 *	Read the first 1024 bytes from the disk device, if the boot
 350	 *	sector partition table is valid, search for a partition table
 351	 *	entry whose end_head matches one of the standard geometry
 352	 *	translations ( 64/32, 128/32, 255/63 ).
 353	 */
 354	buf = scsi_bios_ptable(bdev);
 355	if (!buf)
 356		return 0;
 357	if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 358		struct partition *first = (struct partition * )buf;
 359		struct partition *entry = first;
 360		int saved_cylinders = param->cylinders;
 361		int num;
 362		unsigned char end_head, end_sec;
 363
 364		for(num = 0; num < 4; num++) {
 365			end_head = entry->end_head;
 366			end_sec = entry->end_sector & 0x3f;
 367
 368			if(end_head == 63) {
 369				param->heads = 64;
 370				param->sectors = 32;
 371				break;
 372			} else if(end_head == 127) {
 373				param->heads = 128;
 374				param->sectors = 32;
 375				break;
 376			} else if(end_head == 254) {
 377				param->heads = 255;
 378				param->sectors = 63;
 379				break;
 380			}
 381			entry++;
 382		}
 383
 384		if (num == 4) {
 385			end_head = first->end_head;
 386			end_sec = first->end_sector & 0x3f;
 387		}
 388
 389		param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 390		if (num < 4 && end_sec == param->sectors) {
 391			if (param->cylinders != saved_cylinders)
 392				dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 393					param->heads, param->sectors, num));
 394		} else if (end_head > 0 || end_sec > 0) {
 395			dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 396				end_head + 1, end_sec, num));
 397			dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 398					param->heads, param->sectors));
 399		}
 400	}
 401	kfree(buf);
 402	return 0;
 403}
 404
 405/**
 406 *	aac_slave_configure		-	compute queue depths
 407 *	@sdev:	SCSI device we are considering
 408 *
 409 *	Selects queue depths for each target device based on the host adapter's
 410 *	total capacity and the queue depth supported by the target device.
 411 *	A queue depth of one automatically disables tagged queueing.
 412 */
 413
 414static int aac_slave_configure(struct scsi_device *sdev)
 415{
 416	struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 417	if (aac->jbod && (sdev->type == TYPE_DISK))
 418		sdev->removable = 1;
 419	if ((sdev->type == TYPE_DISK) &&
 420			(sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 421			(!aac->jbod || sdev->inq_periph_qual) &&
 422			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 423		if (expose_physicals == 0)
 424			return -ENXIO;
 425		if (expose_physicals < 0)
 426			sdev->no_uld_attach = 1;
 427	}
 428	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 429			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 430			!sdev->no_uld_attach) {
 431		struct scsi_device * dev;
 432		struct Scsi_Host *host = sdev->host;
 433		unsigned num_lsu = 0;
 434		unsigned num_one = 0;
 435		unsigned depth;
 436		unsigned cid;
 437
 438		/*
 439		 * Firmware has an individual device recovery time typically
 440		 * of 35 seconds, give us a margin.
 441		 */
 442		if (sdev->request_queue->rq_timeout < (45 * HZ))
 443			blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 444		for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 445			if (aac->fsa_dev[cid].valid)
 446				++num_lsu;
 447		__shost_for_each_device(dev, host) {
 448			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 449					(!aac->raid_scsi_mode ||
 450						(sdev_channel(sdev) != 2)) &&
 451					!dev->no_uld_attach) {
 452				if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 453				 || !aac->fsa_dev[sdev_id(dev)].valid)
 454					++num_lsu;
 455			} else
 456				++num_one;
 457		}
 458		if (num_lsu == 0)
 459			++num_lsu;
 460		depth = (host->can_queue - num_one) / num_lsu;
 461		if (depth > 256)
 462			depth = 256;
 463		else if (depth < 2)
 464			depth = 2;
 465		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 466	} else
 467		scsi_adjust_queue_depth(sdev, 0, 1);
 468
 469	return 0;
 470}
 471
 472/**
 473 *	aac_change_queue_depth		-	alter queue depths
 474 *	@sdev:	SCSI device we are considering
 475 *	@depth:	desired queue depth
 476 *
 477 *	Alters queue depths for target device based on the host adapter's
 478 *	total capacity and the queue depth supported by the target device.
 479 */
 480
 481static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
 482				  int reason)
 483{
 484	if (reason != SCSI_QDEPTH_DEFAULT)
 485		return -EOPNOTSUPP;
 486
 487	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 488	    (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 489		struct scsi_device * dev;
 490		struct Scsi_Host *host = sdev->host;
 491		unsigned num = 0;
 492
 493		__shost_for_each_device(dev, host) {
 494			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 495			    (sdev_channel(dev) == CONTAINER_CHANNEL))
 496				++num;
 497			++num;
 498		}
 499		if (num >= host->can_queue)
 500			num = host->can_queue - 1;
 501		if (depth > (host->can_queue - num))
 502			depth = host->can_queue - num;
 503		if (depth > 256)
 504			depth = 256;
 505		else if (depth < 2)
 506			depth = 2;
 507		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 508	} else
 509		scsi_adjust_queue_depth(sdev, 0, 1);
 510	return sdev->queue_depth;
 511}
 512
 513static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 514{
 515	struct scsi_device *sdev = to_scsi_device(dev);
 516	struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 517	if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 518		return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 519		  ? "Hidden\n" :
 520		  ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 521	return snprintf(buf, PAGE_SIZE, "%s\n",
 522	  get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 523}
 524
 525static struct device_attribute aac_raid_level_attr = {
 526	.attr = {
 527		.name = "level",
 528		.mode = S_IRUGO,
 529	},
 530	.show = aac_show_raid_level
 531};
 532
 533static struct device_attribute *aac_dev_attrs[] = {
 534	&aac_raid_level_attr,
 535	NULL,
 536};
 537
 538static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 539{
 540	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 541	if (!capable(CAP_SYS_RAWIO))
 542		return -EPERM;
 543	return aac_do_ioctl(dev, cmd, arg);
 544}
 545
 546static int aac_eh_abort(struct scsi_cmnd* cmd)
 547{
 548	struct scsi_device * dev = cmd->device;
 549	struct Scsi_Host * host = dev->host;
 550	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 551	int count;
 552	int ret = FAILED;
 553
 554	printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
 555		AAC_DRIVERNAME,
 556		host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 557	switch (cmd->cmnd[0]) {
 558	case SERVICE_ACTION_IN:
 559		if (!(aac->raw_io_interface) ||
 560		    !(aac->raw_io_64) ||
 561		    ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 562			break;
 563	case INQUIRY:
 564	case READ_CAPACITY:
 565		/* Mark associated FIB to not complete, eh handler does this */
 566		for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 567			struct fib * fib = &aac->fibs[count];
 568			if (fib->hw_fib_va->header.XferState &&
 569			  (fib->flags & FIB_CONTEXT_FLAG) &&
 570			  (fib->callback_data == cmd)) {
 571				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 572				cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 573				ret = SUCCESS;
 574			}
 575		}
 576		break;
 577	case TEST_UNIT_READY:
 578		/* Mark associated FIB to not complete, eh handler does this */
 579		for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 580			struct scsi_cmnd * command;
 581			struct fib * fib = &aac->fibs[count];
 582			if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 583			  (fib->flags & FIB_CONTEXT_FLAG) &&
 584			  ((command = fib->callback_data)) &&
 585			  (command->device == cmd->device)) {
 586				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 587				command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 588				if (command == cmd)
 589					ret = SUCCESS;
 590			}
 591		}
 592	}
 593	return ret;
 594}
 595
 596/*
 597 *	aac_eh_reset	- Reset command handling
 598 *	@scsi_cmd:	SCSI command block causing the reset
 599 *
 600 */
 601static int aac_eh_reset(struct scsi_cmnd* cmd)
 602{
 603	struct scsi_device * dev = cmd->device;
 604	struct Scsi_Host * host = dev->host;
 605	struct scsi_cmnd * command;
 606	int count;
 607	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 608	unsigned long flags;
 609
 610	/* Mark the associated FIB to not complete, eh handler does this */
 611	for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 612		struct fib * fib = &aac->fibs[count];
 613		if (fib->hw_fib_va->header.XferState &&
 614		  (fib->flags & FIB_CONTEXT_FLAG) &&
 615		  (fib->callback_data == cmd)) {
 616			fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 617			cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 618		}
 619	}
 620	printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 621					AAC_DRIVERNAME);
 622
 623	if ((count = aac_check_health(aac)))
 624		return count;
 625	/*
 626	 * Wait for all commands to complete to this specific
 627	 * target (block maximum 60 seconds).
 628	 */
 629	for (count = 60; count; --count) {
 630		int active = aac->in_reset;
 631
 632		if (active == 0)
 633		__shost_for_each_device(dev, host) {
 634			spin_lock_irqsave(&dev->list_lock, flags);
 635			list_for_each_entry(command, &dev->cmd_list, list) {
 636				if ((command != cmd) &&
 637				    (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 638					active++;
 639					break;
 640				}
 641			}
 642			spin_unlock_irqrestore(&dev->list_lock, flags);
 643			if (active)
 644				break;
 645
 646		}
 647		/*
 648		 * We can exit If all the commands are complete
 649		 */
 650		if (active == 0)
 651			return SUCCESS;
 652		ssleep(1);
 653	}
 654	printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 655	/*
 656	 * This adapter needs a blind reset, only do so for Adapters that
 657	 * support a register, instead of a commanded, reset.
 658	 */
 659	if (((aac->supplement_adapter_info.SupportedOptions2 &
 660	  AAC_OPTION_MU_RESET) ||
 661	  (aac->supplement_adapter_info.SupportedOptions2 &
 662	  AAC_OPTION_DOORBELL_RESET)) &&
 663	  aac_check_reset &&
 664	  ((aac_check_reset != 1) ||
 665	   !(aac->supplement_adapter_info.SupportedOptions2 &
 666	    AAC_OPTION_IGNORE_RESET)))
 667		aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 668	return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 669}
 670
 671/**
 672 *	aac_cfg_open		-	open a configuration file
 673 *	@inode: inode being opened
 674 *	@file: file handle attached
 675 *
 676 *	Called when the configuration device is opened. Does the needed
 677 *	set up on the handle and then returns
 678 *
 679 *	Bugs: This needs extending to check a given adapter is present
 680 *	so we can support hot plugging, and to ref count adapters.
 681 */
 682
 683static int aac_cfg_open(struct inode *inode, struct file *file)
 684{
 685	struct aac_dev *aac;
 686	unsigned minor_number = iminor(inode);
 687	int err = -ENODEV;
 688
 689	mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 690	list_for_each_entry(aac, &aac_devices, entry) {
 691		if (aac->id == minor_number) {
 692			file->private_data = aac;
 693			err = 0;
 694			break;
 695		}
 696	}
 697	mutex_unlock(&aac_mutex);
 698
 699	return err;
 700}
 701
 702/**
 703 *	aac_cfg_ioctl		-	AAC configuration request
 704 *	@inode: inode of device
 705 *	@file: file handle
 706 *	@cmd: ioctl command code
 707 *	@arg: argument
 708 *
 709 *	Handles a configuration ioctl. Currently this involves wrapping it
 710 *	up and feeding it into the nasty windowsalike glue layer.
 711 *
 712 *	Bugs: Needs locking against parallel ioctls lower down
 713 *	Bugs: Needs to handle hot plugging
 714 */
 715
 716static long aac_cfg_ioctl(struct file *file,
 717		unsigned int cmd, unsigned long arg)
 718{
 719	int ret;
 720	if (!capable(CAP_SYS_RAWIO))
 721		return -EPERM;
 722	mutex_lock(&aac_mutex);
 723	ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 724	mutex_unlock(&aac_mutex);
 725
 726	return ret;
 727}
 728
 729#ifdef CONFIG_COMPAT
 730static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 731{
 732	long ret;
 733	mutex_lock(&aac_mutex);
 734	switch (cmd) {
 735	case FSACTL_MINIPORT_REV_CHECK:
 736	case FSACTL_SENDFIB:
 737	case FSACTL_OPEN_GET_ADAPTER_FIB:
 738	case FSACTL_CLOSE_GET_ADAPTER_FIB:
 739	case FSACTL_SEND_RAW_SRB:
 740	case FSACTL_GET_PCI_INFO:
 741	case FSACTL_QUERY_DISK:
 742	case FSACTL_DELETE_DISK:
 743	case FSACTL_FORCE_DELETE_DISK:
 744	case FSACTL_GET_CONTAINERS:
 745	case FSACTL_SEND_LARGE_FIB:
 746		ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 747		break;
 748
 749	case FSACTL_GET_NEXT_ADAPTER_FIB: {
 750		struct fib_ioctl __user *f;
 751
 752		f = compat_alloc_user_space(sizeof(*f));
 753		ret = 0;
 754		if (clear_user(f, sizeof(*f)))
 755			ret = -EFAULT;
 756		if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 757			ret = -EFAULT;
 758		if (!ret)
 759			ret = aac_do_ioctl(dev, cmd, f);
 760		break;
 761	}
 762
 763	default:
 764		ret = -ENOIOCTLCMD;
 765		break;
 766	}
 767	mutex_unlock(&aac_mutex);
 768	return ret;
 769}
 770
 771static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 772{
 773	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 774	if (!capable(CAP_SYS_RAWIO))
 775		return -EPERM;
 776	return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 777}
 778
 779static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 780{
 781	if (!capable(CAP_SYS_RAWIO))
 782		return -EPERM;
 783	return aac_compat_do_ioctl(file->private_data, cmd, arg);
 784}
 785#endif
 786
 787static ssize_t aac_show_model(struct device *device,
 788			      struct device_attribute *attr, char *buf)
 789{
 790	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 791	int len;
 792
 793	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 794		char * cp = dev->supplement_adapter_info.AdapterTypeText;
 795		while (*cp && *cp != ' ')
 796			++cp;
 797		while (*cp == ' ')
 798			++cp;
 799		len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 800	} else
 801		len = snprintf(buf, PAGE_SIZE, "%s\n",
 802		  aac_drivers[dev->cardtype].model);
 803	return len;
 804}
 805
 806static ssize_t aac_show_vendor(struct device *device,
 807			       struct device_attribute *attr, char *buf)
 808{
 809	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 810	int len;
 811
 812	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 813		char * cp = dev->supplement_adapter_info.AdapterTypeText;
 814		while (*cp && *cp != ' ')
 815			++cp;
 816		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 817		  (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 818		  dev->supplement_adapter_info.AdapterTypeText);
 819	} else
 820		len = snprintf(buf, PAGE_SIZE, "%s\n",
 821		  aac_drivers[dev->cardtype].vname);
 822	return len;
 823}
 824
 825static ssize_t aac_show_flags(struct device *cdev,
 826			      struct device_attribute *attr, char *buf)
 827{
 828	int len = 0;
 829	struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 830
 831	if (nblank(dprintk(x)))
 832		len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 833#ifdef AAC_DETAILED_STATUS_INFO
 834	len += snprintf(buf + len, PAGE_SIZE - len,
 835			"AAC_DETAILED_STATUS_INFO\n");
 836#endif
 837	if (dev->raw_io_interface && dev->raw_io_64)
 838		len += snprintf(buf + len, PAGE_SIZE - len,
 839				"SAI_READ_CAPACITY_16\n");
 840	if (dev->jbod)
 841		len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 842	if (dev->supplement_adapter_info.SupportedOptions2 &
 843		AAC_OPTION_POWER_MANAGEMENT)
 844		len += snprintf(buf + len, PAGE_SIZE - len,
 845				"SUPPORTED_POWER_MANAGEMENT\n");
 846	if (dev->msi)
 847		len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 848	return len;
 849}
 850
 851static ssize_t aac_show_kernel_version(struct device *device,
 852				       struct device_attribute *attr,
 853				       char *buf)
 854{
 855	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 856	int len, tmp;
 857
 858	tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 859	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 860	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 861	  le32_to_cpu(dev->adapter_info.kernelbuild));
 862	return len;
 863}
 864
 865static ssize_t aac_show_monitor_version(struct device *device,
 866					struct device_attribute *attr,
 867					char *buf)
 868{
 869	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 870	int len, tmp;
 871
 872	tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 873	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 874	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 875	  le32_to_cpu(dev->adapter_info.monitorbuild));
 876	return len;
 877}
 878
 879static ssize_t aac_show_bios_version(struct device *device,
 880				     struct device_attribute *attr,
 881				     char *buf)
 882{
 883	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 884	int len, tmp;
 885
 886	tmp = le32_to_cpu(dev->adapter_info.biosrev);
 887	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 888	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 889	  le32_to_cpu(dev->adapter_info.biosbuild));
 890	return len;
 891}
 892
 893static ssize_t aac_show_serial_number(struct device *device,
 894			       struct device_attribute *attr, char *buf)
 895{
 896	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 897	int len = 0;
 898
 899	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 900		len = snprintf(buf, 16, "%06X\n",
 901		  le32_to_cpu(dev->adapter_info.serial[0]));
 902	if (len &&
 903	  !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 904	    sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 905	  buf, len-1))
 906		len = snprintf(buf, 16, "%.*s\n",
 907		  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 908		  dev->supplement_adapter_info.MfgPcbaSerialNo);
 909
 910	return min(len, 16);
 911}
 912
 913static ssize_t aac_show_max_channel(struct device *device,
 914				    struct device_attribute *attr, char *buf)
 915{
 916	return snprintf(buf, PAGE_SIZE, "%d\n",
 917	  class_to_shost(device)->max_channel);
 918}
 919
 920static ssize_t aac_show_max_id(struct device *device,
 921			       struct device_attribute *attr, char *buf)
 922{
 923	return snprintf(buf, PAGE_SIZE, "%d\n",
 924	  class_to_shost(device)->max_id);
 925}
 926
 927static ssize_t aac_store_reset_adapter(struct device *device,
 928				       struct device_attribute *attr,
 929				       const char *buf, size_t count)
 930{
 931	int retval = -EACCES;
 932
 933	if (!capable(CAP_SYS_ADMIN))
 934		return retval;
 935	retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 936	if (retval >= 0)
 937		retval = count;
 938	return retval;
 939}
 940
 941static ssize_t aac_show_reset_adapter(struct device *device,
 942				      struct device_attribute *attr,
 943				      char *buf)
 944{
 945	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 946	int len, tmp;
 947
 948	tmp = aac_adapter_check_health(dev);
 949	if ((tmp == 0) && dev->in_reset)
 950		tmp = -EBUSY;
 951	len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 952	return len;
 953}
 954
 955static struct device_attribute aac_model = {
 956	.attr = {
 957		.name = "model",
 958		.mode = S_IRUGO,
 959	},
 960	.show = aac_show_model,
 961};
 962static struct device_attribute aac_vendor = {
 963	.attr = {
 964		.name = "vendor",
 965		.mode = S_IRUGO,
 966	},
 967	.show = aac_show_vendor,
 968};
 969static struct device_attribute aac_flags = {
 970	.attr = {
 971		.name = "flags",
 972		.mode = S_IRUGO,
 973	},
 974	.show = aac_show_flags,
 975};
 976static struct device_attribute aac_kernel_version = {
 977	.attr = {
 978		.name = "hba_kernel_version",
 979		.mode = S_IRUGO,
 980	},
 981	.show = aac_show_kernel_version,
 982};
 983static struct device_attribute aac_monitor_version = {
 984	.attr = {
 985		.name = "hba_monitor_version",
 986		.mode = S_IRUGO,
 987	},
 988	.show = aac_show_monitor_version,
 989};
 990static struct device_attribute aac_bios_version = {
 991	.attr = {
 992		.name = "hba_bios_version",
 993		.mode = S_IRUGO,
 994	},
 995	.show = aac_show_bios_version,
 996};
 997static struct device_attribute aac_serial_number = {
 998	.attr = {
 999		.name = "serial_number",
1000		.mode = S_IRUGO,
1001	},
1002	.show = aac_show_serial_number,
1003};
1004static struct device_attribute aac_max_channel = {
1005	.attr = {
1006		.name = "max_channel",
1007		.mode = S_IRUGO,
1008	},
1009	.show = aac_show_max_channel,
1010};
1011static struct device_attribute aac_max_id = {
1012	.attr = {
1013		.name = "max_id",
1014		.mode = S_IRUGO,
1015	},
1016	.show = aac_show_max_id,
1017};
1018static struct device_attribute aac_reset = {
1019	.attr = {
1020		.name = "reset_host",
1021		.mode = S_IWUSR|S_IRUGO,
1022	},
1023	.store = aac_store_reset_adapter,
1024	.show = aac_show_reset_adapter,
1025};
1026
1027static struct device_attribute *aac_attrs[] = {
1028	&aac_model,
1029	&aac_vendor,
1030	&aac_flags,
1031	&aac_kernel_version,
1032	&aac_monitor_version,
1033	&aac_bios_version,
1034	&aac_serial_number,
1035	&aac_max_channel,
1036	&aac_max_id,
1037	&aac_reset,
1038	NULL
1039};
1040
1041ssize_t aac_get_serial_number(struct device *device, char *buf)
1042{
1043	return aac_show_serial_number(device, &aac_serial_number, buf);
1044}
1045
1046static const struct file_operations aac_cfg_fops = {
1047	.owner		= THIS_MODULE,
1048	.unlocked_ioctl	= aac_cfg_ioctl,
1049#ifdef CONFIG_COMPAT
1050	.compat_ioctl   = aac_compat_cfg_ioctl,
1051#endif
1052	.open		= aac_cfg_open,
1053	.llseek		= noop_llseek,
1054};
1055
1056static struct scsi_host_template aac_driver_template = {
1057	.module				= THIS_MODULE,
1058	.name				= "AAC",
1059	.proc_name			= AAC_DRIVERNAME,
1060	.info				= aac_info,
1061	.ioctl				= aac_ioctl,
1062#ifdef CONFIG_COMPAT
1063	.compat_ioctl			= aac_compat_ioctl,
1064#endif
1065	.queuecommand			= aac_queuecommand,
1066	.bios_param			= aac_biosparm,
1067	.shost_attrs			= aac_attrs,
1068	.slave_configure		= aac_slave_configure,
1069	.change_queue_depth		= aac_change_queue_depth,
1070	.sdev_attrs			= aac_dev_attrs,
1071	.eh_abort_handler		= aac_eh_abort,
1072	.eh_host_reset_handler		= aac_eh_reset,
1073	.can_queue			= AAC_NUM_IO_FIB,
1074	.this_id			= MAXIMUM_NUM_CONTAINERS,
1075	.sg_tablesize			= 16,
1076	.max_sectors			= 128,
1077#if (AAC_NUM_IO_FIB > 256)
1078	.cmd_per_lun			= 256,
1079#else
1080	.cmd_per_lun			= AAC_NUM_IO_FIB,
1081#endif
1082	.use_clustering			= ENABLE_CLUSTERING,
1083	.emulated			= 1,
1084	.no_write_same			= 1,
1085};
1086
1087static void __aac_shutdown(struct aac_dev * aac)
1088{
1089	if (aac->aif_thread) {
1090		int i;
1091		/* Clear out events first */
1092		for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1093			struct fib *fib = &aac->fibs[i];
1094			if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1095			    (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1096				up(&fib->event_wait);
1097		}
1098		kthread_stop(aac->thread);
1099	}
1100	aac_send_shutdown(aac);
1101	aac_adapter_disable_int(aac);
1102	free_irq(aac->pdev->irq, aac);
1103	if (aac->msi)
1104		pci_disable_msi(aac->pdev);
1105}
1106
1107static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
1108{
1109	unsigned index = id->driver_data;
1110	struct Scsi_Host *shost;
1111	struct aac_dev *aac;
1112	struct list_head *insert = &aac_devices;
1113	int error = -ENODEV;
1114	int unique_id = 0;
1115	u64 dmamask;
1116	extern int aac_sync_mode;
1117
1118	list_for_each_entry(aac, &aac_devices, entry) {
1119		if (aac->id > unique_id)
1120			break;
1121		insert = &aac->entry;
1122		unique_id++;
1123	}
1124
1125	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1126			       PCIE_LINK_STATE_CLKPM);
1127
1128	error = pci_enable_device(pdev);
1129	if (error)
1130		goto out;
1131	error = -ENODEV;
1132
1133	/*
1134	 * If the quirk31 bit is set, the adapter needs adapter
1135	 * to driver communication memory to be allocated below 2gig
1136	 */
1137	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1138		dmamask = DMA_BIT_MASK(31);
1139	else
1140		dmamask = DMA_BIT_MASK(32);
1141
1142	if (pci_set_dma_mask(pdev, dmamask) ||
1143			pci_set_consistent_dma_mask(pdev, dmamask))
1144		goto out_disable_pdev;
1145
1146	pci_set_master(pdev);
1147
1148	shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1149	if (!shost)
1150		goto out_disable_pdev;
1151
1152	shost->irq = pdev->irq;
 
1153	shost->unique_id = unique_id;
1154	shost->max_cmd_len = 16;
1155
1156	aac = (struct aac_dev *)shost->hostdata;
1157	aac->base_start = pci_resource_start(pdev, 0);
1158	aac->scsi_host_ptr = shost;
1159	aac->pdev = pdev;
1160	aac->name = aac_driver_template.name;
1161	aac->id = shost->unique_id;
1162	aac->cardtype = index;
1163	INIT_LIST_HEAD(&aac->entry);
1164
1165	aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1166	if (!aac->fibs)
1167		goto out_free_host;
1168	spin_lock_init(&aac->fib_lock);
1169
1170	/*
1171	 *	Map in the registers from the adapter.
1172	 */
1173	aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1174	if ((*aac_drivers[index].init)(aac))
1175		goto out_unmap;
1176
1177	if (aac->sync_mode) {
1178		if (aac_sync_mode)
1179			printk(KERN_INFO "%s%d: Sync. mode enforced "
1180				"by driver parameter. This will cause "
1181				"a significant performance decrease!\n",
1182				aac->name,
1183				aac->id);
1184		else
1185			printk(KERN_INFO "%s%d: Async. mode not supported "
1186				"by current driver, sync. mode enforced."
1187				"\nPlease update driver to get full performance.\n",
1188				aac->name,
1189				aac->id);
1190	}
1191
1192	/*
1193	 *	Start any kernel threads needed
1194	 */
1195	aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1196	if (IS_ERR(aac->thread)) {
1197		printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1198		error = PTR_ERR(aac->thread);
1199		aac->thread = NULL;
1200		goto out_deinit;
1201	}
1202
1203	/*
1204	 * If we had set a smaller DMA mask earlier, set it to 4gig
1205	 * now since the adapter can dma data to at least a 4gig
1206	 * address space.
1207	 */
1208	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1209		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1210			goto out_deinit;
1211
1212	aac->maximum_num_channels = aac_drivers[index].channels;
1213	error = aac_get_adapter_info(aac);
1214	if (error < 0)
1215		goto out_deinit;
1216
1217	/*
1218	 * Lets override negotiations and drop the maximum SG limit to 34
1219	 */
1220	if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1221			(shost->sg_tablesize > 34)) {
1222		shost->sg_tablesize = 34;
1223		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1224	}
1225
1226	if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1227			(shost->sg_tablesize > 17)) {
1228		shost->sg_tablesize = 17;
1229		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1230	}
1231
1232	error = pci_set_dma_max_seg_size(pdev,
1233		(aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1234			(shost->max_sectors << 9) : 65536);
1235	if (error)
1236		goto out_deinit;
1237
1238	/*
1239	 * Firmware printf works only with older firmware.
1240	 */
1241	if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1242		aac->printf_enabled = 1;
1243	else
1244		aac->printf_enabled = 0;
1245
1246	/*
1247	 * max channel will be the physical channels plus 1 virtual channel
1248	 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1249	 * physical channels are address by their actual physical number+1
1250	 */
1251	if (aac->nondasd_support || expose_physicals || aac->jbod)
1252		shost->max_channel = aac->maximum_num_channels;
1253	else
1254		shost->max_channel = 0;
1255
1256	aac_get_config_status(aac, 0);
1257	aac_get_containers(aac);
1258	list_add(&aac->entry, insert);
1259
1260	shost->max_id = aac->maximum_num_containers;
1261	if (shost->max_id < aac->maximum_num_physicals)
1262		shost->max_id = aac->maximum_num_physicals;
1263	if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1264		shost->max_id = MAXIMUM_NUM_CONTAINERS;
1265	else
1266		shost->this_id = shost->max_id;
1267
1268	/*
1269	 * dmb - we may need to move the setting of these parms somewhere else once
1270	 * we get a fib that can report the actual numbers
1271	 */
1272	shost->max_lun = AAC_MAX_LUN;
1273
1274	pci_set_drvdata(pdev, shost);
1275
1276	error = scsi_add_host(shost, &pdev->dev);
1277	if (error)
1278		goto out_deinit;
1279	scsi_scan_host(shost);
1280
1281	return 0;
1282
1283 out_deinit:
1284	__aac_shutdown(aac);
1285 out_unmap:
1286	aac_fib_map_free(aac);
1287	if (aac->comm_addr)
1288		pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1289		  aac->comm_phys);
1290	kfree(aac->queues);
1291	aac_adapter_ioremap(aac, 0);
1292	kfree(aac->fibs);
1293	kfree(aac->fsa_dev);
1294 out_free_host:
1295	scsi_host_put(shost);
1296 out_disable_pdev:
1297	pci_disable_device(pdev);
1298 out:
1299	return error;
1300}
1301
1302static void aac_shutdown(struct pci_dev *dev)
1303{
1304	struct Scsi_Host *shost = pci_get_drvdata(dev);
1305	scsi_block_requests(shost);
1306	__aac_shutdown((struct aac_dev *)shost->hostdata);
1307}
1308
1309static void aac_remove_one(struct pci_dev *pdev)
1310{
1311	struct Scsi_Host *shost = pci_get_drvdata(pdev);
1312	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1313
1314	scsi_remove_host(shost);
1315
1316	__aac_shutdown(aac);
1317	aac_fib_map_free(aac);
1318	pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1319			aac->comm_phys);
1320	kfree(aac->queues);
1321
1322	aac_adapter_ioremap(aac, 0);
1323
1324	kfree(aac->fibs);
1325	kfree(aac->fsa_dev);
1326
1327	list_del(&aac->entry);
1328	scsi_host_put(shost);
1329	pci_disable_device(pdev);
1330	if (list_empty(&aac_devices)) {
1331		unregister_chrdev(aac_cfg_major, "aac");
1332		aac_cfg_major = -1;
1333	}
1334}
1335
1336static struct pci_driver aac_pci_driver = {
1337	.name		= AAC_DRIVERNAME,
1338	.id_table	= aac_pci_tbl,
1339	.probe		= aac_probe_one,
1340	.remove		= aac_remove_one,
1341	.shutdown	= aac_shutdown,
1342};
1343
1344static int __init aac_init(void)
1345{
1346	int error;
1347
1348	printk(KERN_INFO "Adaptec %s driver %s\n",
1349	  AAC_DRIVERNAME, aac_driver_version);
1350
1351	error = pci_register_driver(&aac_pci_driver);
1352	if (error < 0)
1353		return error;
1354
1355	aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1356	if (aac_cfg_major < 0) {
1357		printk(KERN_WARNING
1358			"aacraid: unable to register \"aac\" device.\n");
1359	}
1360
1361	return 0;
1362}
1363
1364static void __exit aac_exit(void)
1365{
1366	if (aac_cfg_major > -1)
1367		unregister_chrdev(aac_cfg_major, "aac");
1368	pci_unregister_driver(&aac_pci_driver);
1369}
1370
1371module_init(aac_init);
1372module_exit(aac_exit);