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[linux-block.git] / drivers / scsi / aacraid / linit.c
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c82ee6d3 1// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4
LT		 2/*
3 * Adaptec AAC series RAID controller driver
fa195afe 4 * (c) Copyright 2001 Red Hat Inc.
1da177e4
LT		 5 *
6 * based on the old aacraid driver that is..
7 * Adaptec aacraid device driver for Linux.
8 *
e8b12f0f 9 * Copyright (c) 2000-2010 Adaptec, Inc.
f4babba0
RAR		 10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
1da177e4 12 *
1da177e4
LT		 13 * Module Name:
14 * linit.c
15 *
16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
17 */
18
1da177e4
LT		 19
20#include <linux/compat.h>
21#include <linux/blkdev.h>
22#include <linux/completion.h>
23#include <linux/init.h>
24#include <linux/interrupt.h>
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/moduleparam.h>
28#include <linux/pci.h>
5c63f7f7 29#include <linux/aer.h>
1da177e4 30#include <linux/slab.h>
c45d15d2 31#include <linux/mutex.h>
1da177e4
LT		 32#include <linux/spinlock.h>
33#include <linux/syscalls.h>
1da177e4 34#include <linux/delay.h>
fe27381d 35#include <linux/kthread.h>
1442f76d 36#include <linux/msdos_partition.h>
1da177e4
LT		 37
38#include <scsi/scsi.h>
39#include <scsi/scsi_cmnd.h>
40#include <scsi/scsi_device.h>
41#include <scsi/scsi_host.h>
42#include <scsi/scsi_tcq.h>
43#include <scsi/scsicam.h>
44#include <scsi/scsi_eh.h>
45
46#include "aacraid.h"
47
0ba8fdae 48#define AAC_DRIVER_VERSION "1.2.1"
9a72f976
MH		 49#ifndef AAC_DRIVER_BRANCH
50#define AAC_DRIVER_BRANCH ""
51#endif
9a72f976
MH		 52#define AAC_DRIVERNAME "aacraid"
53
c7f47602
MH		 54#ifdef AAC_DRIVER_BUILD
55#define _str(x) #x
56#define str(x) _str(x)
57#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
58#else
571b16da 59#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
c7f47602 60#endif
1da177e4
LT		 61
62MODULE_AUTHOR("Red Hat Inc and Adaptec");
63MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
64 "Adaptec Advanced Raid Products, "
1241f359 65 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
1da177e4 66MODULE_LICENSE("GPL");
c7f47602 67MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
1da177e4 68
c45d15d2 69static DEFINE_MUTEX(aac_mutex);
1da177e4 70static LIST_HEAD(aac_devices);
b9fb54b4 71static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
c7f47602 72char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
1da177e4
LT		 73
74/*
75 * Because of the way Linux names scsi devices, the order in this table has
76 * become important. Check for on-board Raid first, add-in cards second.
77 *
78 * Note: The last field is used to index into aac_drivers below.
79 */
6f039790 80static const struct pci_device_id aac_pci_tbl[] = {
1da177e4
LT		 81 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
82 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
83 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
84 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
85 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
86 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
87 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
88 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
89 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
90 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
91 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
92 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
93 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
94 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
95 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
96 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
97
98 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
99 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
100 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
101 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
102 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
103 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
104 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
105 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
106 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
8e9d58e7
SM		 107 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
108 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
84971738
MH		 109 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
110 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
75c3628d 111 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
84971738
MH		 112 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
113 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
8e87c2f1
MH		 114 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
115 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
116 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
117 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
118 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
119 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
120 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
121 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
122 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
123 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
124 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
125 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
126 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
8e9d58e7 127 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
8e87c2f1
MH		 128 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
129 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
130 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
131 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
8e9d58e7 132 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
8e87c2f1
MH		 133 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
134 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
8e9d58e7 135 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
84971738 136
8e87c2f1
MH		 137 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
138 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
139 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
140 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
141 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
84971738 142
8e87c2f1
MH		 143 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
144 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
145 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
146 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
239eab19 147 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
11604612
MR		 148 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
149 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
150 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
1da177e4
LT		 151 { 0,}
152};
153MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
154
155/*
8ce3eca4 156 * dmb - For now we add the number of channels to this structure.
1da177e4
LT		 157 * In the future we should add a fib that reports the number of channels
158 * for the card. At that time we can remove the channels from here
159 */
160static struct aac_driver_ident aac_drivers[] = {
94cf6ba1
SM		 161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
b21227c5
HG		 172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
94cf6ba1
SM		 174 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
175 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
176 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
1da177e4
LT		 177
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
186 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
8e9d58e7
SM		 187 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
84971738
MH		 189 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
190 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
75c3628d 191 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
8e87c2f1
MH		 192 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
193 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
84971738 195 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 196 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
db39363c
MH		 199 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
200 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
1da177e4
LT		 203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
8e9d58e7 206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
84971738 207 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
209 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
8e9d58e7 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
1da177e4
LT		 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
8e9d58e7 213 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
1da177e4
LT		 214
215 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
216 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
217 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
b27e66df 218 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
1da177e4
LT		 219 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
220
94cf6ba1
SM		 221 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
222 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
b27e66df 223 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
239eab19 224 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
e8b12f0f 225 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
787ab6e9
HR		 226 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
228 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
1da177e4
LT		 229};
230
231/**
232 * aac_queuecommand - queue a SCSI command
00a72e8c 233 * @shost: Scsi host to queue command on
1da177e4 234 * @cmd: SCSI command to queue
1da177e4
LT		 235 *
236 * Queues a command for execution by the associated Host Adapter.
237 *
238 * TODO: unify with aac_scsi_cmd().
8ce3eca4 239 */
1da177e4 240
ef616233
MR		 241static int aac_queuecommand(struct Scsi_Host *shost,
242 struct scsi_cmnd *cmd)
1da177e4 243{
ef616233 244 int r = 0;
77d644d4 245 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
ef616233
MR		 246 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
247 return r;
8ce3eca4 248}
1da177e4
LT		 249
250/**
251 * aac_info - Returns the host adapter name
252 * @shost: Scsi host to report on
253 *
254 * Returns a static string describing the device in question
255 */
256
4833869e 257static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 258{
259 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
260 return aac_drivers[dev->cardtype].name;
261}
262
263/**
264 * aac_get_driver_ident
8ef22247 265 * @devtype: index into lookup table
1da177e4 266 *
8ef22247 267 * Returns a pointer to the entry in the driver lookup table.
1da177e4
LT		 268 */
269
270struct aac_driver_ident* aac_get_driver_ident(int devtype)
271{
272 return &aac_drivers[devtype];
273}
274
275/**
276 * aac_biosparm - return BIOS parameters for disk
277 * @sdev: The scsi device corresponding to the disk
278 * @bdev: the block device corresponding to the disk
279 * @capacity: the sector capacity of the disk
280 * @geom: geometry block to fill in
281 *
8ce3eca4
SM		 282 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
283 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
284 * number of cylinders so as not to exceed drive capacity. In order for
1da177e4 285 * disks equal to or larger than 1 GB to be addressable by the BIOS
8ce3eca4
SM		 286 * without exceeding the BIOS limitation of 1024 cylinders, Extended
287 * Translation should be enabled. With Extended Translation enabled,
288 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
289 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
290 * are given a disk geometry of 255 heads and 63 sectors. However, if
291 * the BIOS detects that the Extended Translation setting does not match
292 * the geometry in the partition table, then the translation inferred
293 * from the partition table will be used by the BIOS, and a warning may
1da177e4
LT		 294 * be displayed.
295 */
8ce3eca4 296
1da177e4
LT		 297static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
298 sector_t capacity, int *geom)
299{
300 struct diskparm *param = (struct diskparm *)geom;
301 unsigned char *buf;
302
303 dprintk((KERN_DEBUG "aac_biosparm.\n"));
304
305 /*
306 * Assuming extended translation is enabled - #REVISIT#
307 */
308 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
309 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
310 param->heads = 255;
311 param->sectors = 63;
312 } else {
313 param->heads = 128;
314 param->sectors = 32;
315 }
316 } else {
317 param->heads = 64;
318 param->sectors = 32;
319 }
320
321 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
322
8ce3eca4 323 /*
1da177e4
LT		 324 * Read the first 1024 bytes from the disk device, if the boot
325 * sector partition table is valid, search for a partition table
8ce3eca4 326 * entry whose end_head matches one of the standard geometry
1da177e4
LT		 327 * translations ( 64/32, 128/32, 255/63 ).
328 */
329 buf = scsi_bios_ptable(bdev);
8bdf810f
MH		 330 if (!buf)
331 return 0;
1442f76d
CH		 332 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
333 struct msdos_partition *first = (struct msdos_partition *)buf;
334 struct msdos_partition *entry = first;
1da177e4
LT		 335 int saved_cylinders = param->cylinders;
336 int num;
337 unsigned char end_head, end_sec;
338
339 for(num = 0; num < 4; num++) {
340 end_head = entry->end_head;
341 end_sec = entry->end_sector & 0x3f;
342
343 if(end_head == 63) {
344 param->heads = 64;
345 param->sectors = 32;
346 break;
347 } else if(end_head == 127) {
348 param->heads = 128;
349 param->sectors = 32;
350 break;
351 } else if(end_head == 254) {
352 param->heads = 255;
353 param->sectors = 63;
354 break;
355 }
356 entry++;
357 }
358
359 if (num == 4) {
360 end_head = first->end_head;
361 end_sec = first->end_sector & 0x3f;
362 }
363
364 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
365 if (num < 4 && end_sec == param->sectors) {
8558d5a4 366 if (param->cylinders != saved_cylinders) {
1da177e4
LT		 367 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
368 param->heads, param->sectors, num));
8558d5a4 369 }
1da177e4
LT		 370 } else if (end_head > 0 || end_sec > 0) {
371 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
372 end_head + 1, end_sec, num));
373 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
374 param->heads, param->sectors));
375 }
376 }
377 kfree(buf);
378 return 0;
379}
380
381/**
382 * aac_slave_configure - compute queue depths
383 * @sdev: SCSI device we are considering
384 *
385 * Selects queue depths for each target device based on the host adapter's
386 * total capacity and the queue depth supported by the target device.
387 * A queue depth of one automatically disables tagged queueing.
388 */
389
390static int aac_slave_configure(struct scsi_device *sdev)
391{
b18268fc 392 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
a052865f
RAR		 393 int chn, tid;
394 unsigned int depth = 0;
395 unsigned int set_timeout = 0;
e2fd90dd 396 int timeout = 0;
58eaffe5
RAR		 397 bool set_qd_dev_type = false;
398 u8 devtype = 0;
a052865f
RAR		 399
400 chn = aac_logical_to_phys(sdev_channel(sdev));
401 tid = sdev_id(sdev);
58eaffe5
RAR		 402 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
403 devtype = aac->hba_map[chn][tid].devtype;
404
0015437c 405 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
58eaffe5 406 depth = aac->hba_map[chn][tid].qd_limit;
0015437c
SB		 407 set_timeout = 1;
408 goto common_config;
409 }
410 if (devtype == AAC_DEVTYPE_ARC_RAW) {
58eaffe5 411 set_qd_dev_type = true;
0015437c
SB		 412 set_timeout = 1;
413 goto common_config;
414 }
a052865f
RAR		 415 }
416
a4576b5d
MS		 417 if (aac->jbod && (sdev->type == TYPE_DISK))
418 sdev->removable = 1;
a052865f
RAR		 419
420 if (sdev->type == TYPE_DISK
421 && sdev_channel(sdev) != CONTAINER_CHANNEL
422 && (!aac->jbod || sdev->inq_periph_qual)
423 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
424
e37ee4be
MH		 425 if (expose_physicals == 0)
426 return -ENXIO;
a052865f 427
b18268fc
SM		 428 if (expose_physicals < 0)
429 sdev->no_uld_attach = 1;
bb08f92e 430 }
a052865f
RAR		 431
432 if (sdev->tagged_supported
433 && sdev->type == TYPE_DISK
434 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
435 && !sdev->no_uld_attach) {
436
bb08f92e
MH		 437 struct scsi_device * dev;
438 struct Scsi_Host *host = sdev->host;
439 unsigned num_lsu = 0;
440 unsigned num_one = 0;
b18268fc 441 unsigned cid;
7c00ffa3 442
a052865f
RAR		 443 set_timeout = 1;
444
b18268fc
SM		 445 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
446 if (aac->fsa_dev[cid].valid)
447 ++num_lsu;
a052865f 448
bb08f92e 449 __shost_for_each_device(dev, host) {
a052865f
RAR		 450 if (dev->tagged_supported
451 && dev->type == TYPE_DISK
452 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
453 && !dev->no_uld_attach) {
cb1042f2 454 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
a052865f 455 || !aac->fsa_dev[sdev_id(dev)].valid) {
b18268fc 456 ++num_lsu;
a052865f
RAR		 457 }
458 } else {
bb08f92e 459 ++num_one;
a052865f 460 }
bb08f92e 461 }
a052865f 462
bb08f92e
MH		 463 if (num_lsu == 0)
464 ++num_lsu;
7c00ffa3 465
a052865f 466 depth = (host->can_queue - num_one) / num_lsu;
d58129c9
RAR		 467
468 if (sdev_channel(sdev) != NATIVE_CHANNEL)
469 goto common_config;
470
58eaffe5
RAR		 471 set_qd_dev_type = true;
472
473 }
474
475common_config:
476
477 /*
478 * Check if SATA drive
479 */
480 if (set_qd_dev_type) {
d58129c9
RAR		 481 if (strncmp(sdev->vendor, "ATA", 3) == 0)
482 depth = 32;
483 else
484 depth = 64;
548f0e65 485 }
6bf3b630 486
a052865f
RAR		 487 /*
488 * Firmware has an individual device recovery time typically
e2fd90dd
B		 489 * of 35 seconds, give us a margin. Thor devices can take longer in
490 * error recovery, hence different value.
a052865f 491 */
e2fd90dd
B		 492 if (set_timeout) {
493 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
494 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
495 }
a052865f
RAR		 496
497 if (depth > 256)
498 depth = 256;
499 else if (depth < 1)
500 depth = 1;
501
502 scsi_change_queue_depth(sdev, depth);
503
504 sdev->tagged_supported = 1;
505
1da177e4
LT		 506 return 0;
507}
508
5c9cfedd
SM		 509/**
510 * aac_change_queue_depth - alter queue depths
511 * @sdev: SCSI device we are considering
512 * @depth: desired queue depth
513 *
514 * Alters queue depths for target device based on the host adapter's
515 * total capacity and the queue depth supported by the target device.
516 */
517
db5ed4df 518static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
5c9cfedd 519{
a052865f
RAR		 520 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
521 int chn, tid, is_native_device = 0;
522
523 chn = aac_logical_to_phys(sdev_channel(sdev));
524 tid = sdev_id(sdev);
525 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
526 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
527 is_native_device = 1;
528
5c9cfedd
SM		 529 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
530 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
531 struct scsi_device * dev;
532 struct Scsi_Host *host = sdev->host;
533 unsigned num = 0;
534
535 __shost_for_each_device(dev, host) {
536 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
537 (sdev_channel(dev) == CONTAINER_CHANNEL))
538 ++num;
539 ++num;
540 }
541 if (num >= host->can_queue)
542 num = host->can_queue - 1;
543 if (depth > (host->can_queue - num))
544 depth = host->can_queue - num;
545 if (depth > 256)
546 depth = 256;
547 else if (depth < 2)
548 depth = 2;
db5ed4df 549 return scsi_change_queue_depth(sdev, depth);
a052865f
RAR		 550 } else if (is_native_device) {
551 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
552 } else {
553 scsi_change_queue_depth(sdev, 1);
db5ed4df 554 }
a052865f 555 return sdev->queue_depth;
5c9cfedd
SM		 556}
557
17eaacee
SM		 558static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
559{
95f6fb57
SM		 560 struct scsi_device *sdev = to_scsi_device(dev);
561 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
17eaacee
SM		 562 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
563 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
95f6fb57
SM		 564 ? "Hidden\n" :
565 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
17eaacee 566 return snprintf(buf, PAGE_SIZE, "%s\n",
95f6fb57 567 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
17eaacee
SM		 568}
569
570static struct device_attribute aac_raid_level_attr = {
571 .attr = {
572 .name = "level",
573 .mode = S_IRUGO,
574 },
575 .show = aac_show_raid_level
576};
577
999b3ffc
RAR		 578static ssize_t aac_show_unique_id(struct device *dev,
579 struct device_attribute *attr, char *buf)
580{
581 struct scsi_device *sdev = to_scsi_device(dev);
582 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
583 unsigned char sn[16];
584
585 memset(sn, 0, sizeof(sn));
586
587 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
588 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
589
590 return snprintf(buf, 16 * 2 + 2,
31364329 591 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
999b3ffc
RAR		 592 sn[0], sn[1], sn[2], sn[3],
593 sn[4], sn[5], sn[6], sn[7],
594 sn[8], sn[9], sn[10], sn[11],
595 sn[12], sn[13], sn[14], sn[15]);
596}
597
598static struct device_attribute aac_unique_id_attr = {
599 .attr = {
600 .name = "unique_id",
601 .mode = 0444,
602 },
603 .show = aac_show_unique_id
604};
605
606
607
17eaacee
SM		 608static struct device_attribute *aac_dev_attrs[] = {
609 &aac_raid_level_attr,
999b3ffc 610 &aac_unique_id_attr,
17eaacee
SM		 611 NULL,
612};
613
6f4e626f
NC		 614static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
615 void __user *arg)
1da177e4 616{
572ee53a 617 int retval;
1da177e4 618 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
d496f94d
AC		 619 if (!capable(CAP_SYS_RAWIO))
620 return -EPERM;
572ee53a
B		 621 retval = aac_adapter_check_health(dev);
622 if (retval)
623 return -EBUSY;
1da177e4
LT		 624 return aac_do_ioctl(dev, cmd, arg);
625}
626
35d2ce0b
HR		 627struct fib_count_data {
628 int mlcnt;
629 int llcnt;
630 int ehcnt;
631 int fwcnt;
632 int krlcnt;
633};
634
635static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
895dc759 636{
35d2ce0b 637 struct fib_count_data *fib_count = data;
895dc759 638
35d2ce0b
HR		 639 switch (scmnd->SCp.phase) {
640 case AAC_OWNER_FIRMWARE:
641 fib_count->fwcnt++;
642 break;
643 case AAC_OWNER_ERROR_HANDLER:
644 fib_count->ehcnt++;
645 break;
646 case AAC_OWNER_LOWLEVEL:
647 fib_count->llcnt++;
648 break;
649 case AAC_OWNER_MIDLEVEL:
650 fib_count->mlcnt++;
651 break;
652 default:
653 fib_count->krlcnt++;
654 break;
655 }
656 return true;
657}
895dc759 658
35d2ce0b
HR		 659/* Called during SCSI EH, so we don't need to block requests */
660static int get_num_of_incomplete_fibs(struct aac_dev *aac)
661{
895dc759 662 struct Scsi_Host *shost = aac->scsi_host_ptr;
895dc759 663 struct device *ctrl_dev;
35d2ce0b 664 struct fib_count_data fcnt = { };
895dc759 665
35d2ce0b 666 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
895dc759
RAR		 667
668 ctrl_dev = &aac->pdev->dev;
669
35d2ce0b
HR		 670 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
671 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
672 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
673 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
674 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
895dc759 675
35d2ce0b 676 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
895dc759
RAR		 677}
678
03d44337
MH		 679static int aac_eh_abort(struct scsi_cmnd* cmd)
680{
802ae2f0
SM		 681 struct scsi_device * dev = cmd->device;
682 struct Scsi_Host * host = dev->host;
03d44337 683 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
954b2b5a
RAR		 684 int count, found;
685 u32 bus, cid;
03d44337
MH		 686 int ret = FAILED;
687
dfb92a1f
RAR		 688 if (aac_adapter_check_health(aac))
689 return ret;
690
954b2b5a
RAR		 691 bus = aac_logical_to_phys(scmd_channel(cmd));
692 cid = scmd_id(cmd);
693 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
694 struct fib *fib;
695 struct aac_hba_tm_req *tmf;
696 int status;
697 u64 address;
954b2b5a
RAR		 698
699 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
700 AAC_DRIVERNAME,
701 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
702
703 found = 0;
03d44337 704 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
954b2b5a
RAR		 705 fib = &aac->fibs[count];
706 if (*(u8 *)fib->hw_fib_va != 0 &&
707 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
708 (fib->callback_data == cmd)) {
709 found = 1;
954b2b5a
RAR		 710 break;
711 }
712 }
713 if (!found)
714 return ret;
715
716 /* start a HBA_TMF_ABORT_TASK TMF request */
717 fib = aac_fib_alloc(aac);
718 if (!fib)
719 return ret;
720
721 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
722 memset(tmf, 0, sizeof(*tmf));
723 tmf->tmf = HBA_TMF_ABORT_TASK;
724 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
725 tmf->lun[1] = cmd->device->lun;
726
727 address = (u64)fib->hw_error_pa;
728 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
729 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
730 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
731
732 fib->hbacmd_size = sizeof(*tmf);
733 cmd->SCp.sent_command = 0;
734
735 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
736 (fib_callback) aac_hba_callback,
737 (void *) cmd);
bef18d30
SB		 738 if (status != -EINPROGRESS) {
739 aac_fib_complete(fib);
740 aac_fib_free(fib);
741 return ret;
742 }
2a4a62c0
RAR		 743 /* Wait up to 15 secs for completion */
744 for (count = 0; count < 15; ++count) {
954b2b5a 745 if (cmd->SCp.sent_command) {
03d44337 746 ret = SUCCESS;
954b2b5a 747 break;
03d44337 748 }
954b2b5a 749 msleep(1000);
03d44337 750 }
954b2b5a
RAR		 751
752 if (ret != SUCCESS)
753 pr_err("%s: Host adapter abort request timed out\n",
754 AAC_DRIVERNAME);
755 } else {
756 pr_err(
757 "%s: Host adapter abort request.\n"
758 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
759 AAC_DRIVERNAME, AAC_DRIVERNAME,
760 host->host_no, sdev_channel(dev), sdev_id(dev),
761 (int)dev->lun);
762 switch (cmd->cmnd[0]) {
763 case SERVICE_ACTION_IN_16:
764 if (!(aac->raw_io_interface) ||
765 !(aac->raw_io_64) ||
766 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
767 break;
df561f66 768 fallthrough;
954b2b5a
RAR		 769 case INQUIRY:
770 case READ_CAPACITY:
771 /*
772 * Mark associated FIB to not complete,
773 * eh handler does this
774 */
775 for (count = 0;
776 count < (host->can_queue + AAC_NUM_MGT_FIB);
777 ++count) {
778 struct fib *fib = &aac->fibs[count];
779
780 if (fib->hw_fib_va->header.XferState &&
781 (fib->flags & FIB_CONTEXT_FLAG) &&
782 (fib->callback_data == cmd)) {
783 fib->flags |=
784 FIB_CONTEXT_FLAG_TIMED_OUT;
785 cmd->SCp.phase =
786 AAC_OWNER_ERROR_HANDLER;
b6ef70f3 787 ret = SUCCESS;
954b2b5a 788 }
b6ef70f3 789 }
954b2b5a
RAR		 790 break;
791 case TEST_UNIT_READY:
792 /*
793 * Mark associated FIB to not complete,
794 * eh handler does this
795 */
796 for (count = 0;
797 count < (host->can_queue + AAC_NUM_MGT_FIB);
798 ++count) {
799 struct scsi_cmnd *command;
800 struct fib *fib = &aac->fibs[count];
801
802 command = fib->callback_data;
803
804 if ((fib->hw_fib_va->header.XferState &
805 cpu_to_le32
806 (Async | NoResponseExpected)) &&
807 (fib->flags & FIB_CONTEXT_FLAG) &&
808 ((command)) &&
809 (command->device == cmd->device)) {
810 fib->flags |=
811 FIB_CONTEXT_FLAG_TIMED_OUT;
812 command->SCp.phase =
813 AAC_OWNER_ERROR_HANDLER;
814 if (command == cmd)
815 ret = SUCCESS;
816 }
817 }
818 break;
b6ef70f3 819 }
03d44337
MH		 820 }
821 return ret;
822}
823
0d643ff3
HR		 824static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
825 struct fib *fib, u64 tmf_lun)
5115c8c0
HR		 826{
827 struct aac_hba_tm_req *tmf;
828 u64 address;
829
830 /* start a HBA_TMF_LUN_RESET TMF request */
831 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
832 memset(tmf, 0, sizeof(*tmf));
833 tmf->tmf = HBA_TMF_LUN_RESET;
0d643ff3 834 tmf->it_nexus = info->rmw_nexus;
5115c8c0
HR		 835 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
836
837 address = (u64)fib->hw_error_pa;
838 tmf->error_ptr_hi = cpu_to_le32
839 ((u32)(address >> 32));
840 tmf->error_ptr_lo = cpu_to_le32
841 ((u32)(address & 0xffffffff));
842 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
843 fib->hbacmd_size = sizeof(*tmf);
844
845 return HBA_IU_TYPE_SCSI_TM_REQ;
846}
847
0d643ff3
HR		 848static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
849 struct fib *fib)
5115c8c0
HR		 850{
851 struct aac_hba_reset_req *rst;
852 u64 address;
853
854 /* already tried, start a hard reset now */
855 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
856 memset(rst, 0, sizeof(*rst));
0d643ff3 857 rst->it_nexus = info->rmw_nexus;
5115c8c0
HR		 858
859 address = (u64)fib->hw_error_pa;
860 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
e13949ae 861 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
5115c8c0
HR		 862 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
863 fib->hbacmd_size = sizeof(*rst);
864
865 return HBA_IU_TYPE_SATA_REQ;
866}
867
297083f6 868static void aac_tmf_callback(void *context, struct fib *fibptr)
0d643ff3
HR		 869{
870 struct aac_hba_resp *err =
871 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
872 struct aac_hba_map_info *info = context;
873 int res;
874
875 switch (err->service_response) {
876 case HBA_RESP_SVCRES_TMF_REJECTED:
877 res = -1;
878 break;
879 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
880 res = 0;
881 break;
882 case HBA_RESP_SVCRES_TMF_COMPLETE:
883 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
884 res = 0;
885 break;
886 default:
887 res = -2;
888 break;
889 }
890 aac_fib_complete(fibptr);
891
892 info->reset_state = res;
893}
894
1da177e4 895/*
f799319e 896 * aac_eh_dev_reset - Device reset command handling
1da177e4
LT		 897 * @scsi_cmd: SCSI command block causing the reset
898 *
899 */
f799319e 900static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
1da177e4
LT		 901{
902 struct scsi_device * dev = cmd->device;
903 struct Scsi_Host * host = dev->host;
03d44337 904 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
0d643ff3 905 struct aac_hba_map_info *info;
954b2b5a
RAR		 906 int count;
907 u32 bus, cid;
f799319e 908 struct fib *fib;
954b2b5a 909 int ret = FAILED;
f799319e
HR		 910 int status;
911 u8 command;
954b2b5a
RAR		 912
913 bus = aac_logical_to_phys(scmd_channel(cmd));
914 cid = scmd_id(cmd);
4cb433e8
NP		 915
916 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
0d643ff3
HR		 917 return FAILED;
918
4cb433e8
NP		 919 info = &aac->hba_map[bus][cid];
920
bef18d30
SB		 921 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
922 !(info->reset_state > 0)))
f799319e 923 return FAILED;
954b2b5a 924
bef18d30 925 pr_err("%s: Host device reset request. SCSI hang ?\n",
f799319e 926 AAC_DRIVERNAME);
954b2b5a 927
f799319e
HR		 928 fib = aac_fib_alloc(aac);
929 if (!fib)
930 return ret;
954b2b5a 931
f799319e 932 /* start a HBA_TMF_LUN_RESET TMF request */
0d643ff3 933 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
f799319e 934
0d643ff3 935 info->reset_state = 1;
f799319e
HR		 936
937 status = aac_hba_send(command, fib,
0d643ff3
HR		 938 (fib_callback) aac_tmf_callback,
939 (void *) info);
bef18d30
SB		 940 if (status != -EINPROGRESS) {
941 info->reset_state = 0;
942 aac_fib_complete(fib);
943 aac_fib_free(fib);
944 return ret;
945 }
f799319e
HR		 946 /* Wait up to 15 seconds for completion */
947 for (count = 0; count < 15; ++count) {
0d643ff3
HR		 948 if (info->reset_state == 0) {
949 ret = info->reset_state == 0 ? SUCCESS : FAILED;
f799319e 950 break;
03d44337 951 }
f799319e
HR		 952 msleep(1000);
953 }
8c867b25 954
f799319e
HR		 955 return ret;
956}
8c867b25 957
f799319e
HR		 958/*
959 * aac_eh_target_reset - Target reset command handling
960 * @scsi_cmd: SCSI command block causing the reset
961 *
962 */
963static int aac_eh_target_reset(struct scsi_cmnd *cmd)
964{
965 struct scsi_device * dev = cmd->device;
966 struct Scsi_Host * host = dev->host;
967 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
0d643ff3 968 struct aac_hba_map_info *info;
f799319e
HR		 969 int count;
970 u32 bus, cid;
971 int ret = FAILED;
972 struct fib *fib;
973 int status;
974 u8 command;
975
976 bus = aac_logical_to_phys(scmd_channel(cmd));
977 cid = scmd_id(cmd);
4cb433e8
NP		 978
979 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
0d643ff3
HR		 980 return FAILED;
981
4cb433e8
NP		 982 info = &aac->hba_map[bus][cid];
983
bef18d30
SB		 984 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
985 !(info->reset_state > 0)))
f799319e
HR		 986 return FAILED;
987
bef18d30 988 pr_err("%s: Host target reset request. SCSI hang ?\n",
f799319e
HR		 989 AAC_DRIVERNAME);
990
991 fib = aac_fib_alloc(aac);
992 if (!fib)
993 return ret;
994
995
996 /* already tried, start a hard reset now */
0d643ff3 997 command = aac_eh_tmf_hard_reset_fib(info, fib);
f799319e 998
0d643ff3 999 info->reset_state = 2;
f799319e
HR		 1000
1001 status = aac_hba_send(command, fib,
0d643ff3
HR		 1002 (fib_callback) aac_tmf_callback,
1003 (void *) info);
f799319e 1004
bef18d30
SB		 1005 if (status != -EINPROGRESS) {
1006 info->reset_state = 0;
1007 aac_fib_complete(fib);
1008 aac_fib_free(fib);
1009 return ret;
1010 }
1011
f799319e
HR		 1012 /* Wait up to 15 seconds for completion */
1013 for (count = 0; count < 15; ++count) {
0d643ff3
HR		 1014 if (info->reset_state <= 0) {
1015 ret = info->reset_state == 0 ? SUCCESS : FAILED;
f799319e 1016 break;
954b2b5a 1017 }
f799319e
HR		 1018 msleep(1000);
1019 }
954b2b5a 1020
f799319e
HR		 1021 return ret;
1022}
1023
1024/*
1025 * aac_eh_bus_reset - Bus reset command handling
1026 * @scsi_cmd: SCSI command block causing the reset
1027 *
1028 */
1029static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1030{
1031 struct scsi_device * dev = cmd->device;
1032 struct Scsi_Host * host = dev->host;
1033 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1034 int count;
e7e99d60 1035 u32 cmd_bus;
f799319e 1036 int status = 0;
786e898c 1037
954b2b5a 1038
e7e99d60
HR		 1039 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1040 /* Mark the assoc. FIB to not complete, eh handler does this */
1041 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1042 struct fib *fib = &aac->fibs[count];
1043
1044 if (fib->hw_fib_va->header.XferState &&
1045 (fib->flags & FIB_CONTEXT_FLAG) &&
1046 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1047 struct aac_hba_map_info *info;
1048 u32 bus, cid;
1049
1050 cmd = (struct scsi_cmnd *)fib->callback_data;
1051 bus = aac_logical_to_phys(scmd_channel(cmd));
1052 if (bus != cmd_bus)
1053 continue;
1054 cid = scmd_id(cmd);
1055 info = &aac->hba_map[bus][cid];
1056 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1057 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
5771cfff 1058 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
954b2b5a
RAR		 1059 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1060 }
1061 }
1da177e4 1062 }
786e898c 1063
bef18d30 1064 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
786e898c 1065
29c97684 1066 /*
786e898c 1067 * Check the health of the controller
29c97684 1068 */
786e898c
RAR		 1069 status = aac_adapter_check_health(aac);
1070 if (status)
1071 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1072
1073 count = get_num_of_incomplete_fibs(aac);
25188423
HR		 1074 return (count == 0) ? SUCCESS : FAILED;
1075}
1076
1077/*
1078 * aac_eh_host_reset - Host reset command handling
1079 * @scsi_cmd: SCSI command block causing the reset
1080 *
1081 */
297083f6 1082static int aac_eh_host_reset(struct scsi_cmnd *cmd)
25188423
HR		 1083{
1084 struct scsi_device * dev = cmd->device;
1085 struct Scsi_Host * host = dev->host;
1086 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1087 int ret = FAILED;
1088 __le32 supported_options2 = 0;
1089 bool is_mu_reset;
1090 bool is_ignore_reset;
1091 bool is_doorbell_reset;
786e898c
RAR		 1092
1093 /*
1094 * Check if reset is supported by the firmware
1095 */
1096 supported_options2 = aac->supplement_adapter_info.supported_options2;
1097 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1098 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1099 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1100 /*
1101 * This adapter needs a blind reset, only do so for
1102 * Adapters that support a register, instead of a commanded,
1103 * reset.
1104 */
1105 if ((is_mu_reset || is_doorbell_reset)
1106 && aac_check_reset
1107 && (aac_check_reset != -1 || !is_ignore_reset)) {
1108 /* Bypass wait for command quiesce */
0d643ff3
HR		 1109 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1110 ret = SUCCESS;
1111 }
1112 /*
1113 * Reset EH state
1114 */
1115 if (ret == SUCCESS) {
1116 int bus, cid;
1117 struct aac_hba_map_info *info;
1118
1119 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1120 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1121 info = &aac->hba_map[bus][cid];
1122 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1123 info->reset_state = 0;
1124 }
1125 }
786e898c 1126 }
954b2b5a 1127 return ret;
1da177e4
LT		 1128}
1129
1130/**
1131 * aac_cfg_open - open a configuration file
1132 * @inode: inode being opened
1133 * @file: file handle attached
1134 *
1135 * Called when the configuration device is opened. Does the needed
1136 * set up on the handle and then returns
1137 *
1138 * Bugs: This needs extending to check a given adapter is present
1139 * so we can support hot plugging, and to ref count adapters.
1140 */
1141
1142static int aac_cfg_open(struct inode *inode, struct file *file)
1143{
1144 struct aac_dev *aac;
7c00ffa3 1145 unsigned minor_number = iminor(inode);
1da177e4
LT		 1146 int err = -ENODEV;
1147
c45d15d2 1148 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1da177e4 1149 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 1150 if (aac->id == minor_number) {
1da177e4
LT		 1151 file->private_data = aac;
1152 err = 0;
1153 break;
1154 }
1155 }
c45d15d2 1156 mutex_unlock(&aac_mutex);
1da177e4 1157
036d6184 1158 return err;
1da177e4
LT		 1159}
1160
1161/**
1162 * aac_cfg_ioctl - AAC configuration request
1da177e4
LT		 1163 * @file: file handle
1164 * @cmd: ioctl command code
1165 * @arg: argument
1166 *
1167 * Handles a configuration ioctl. Currently this involves wrapping it
1168 * up and feeding it into the nasty windowsalike glue layer.
1169 *
1170 * Bugs: Needs locking against parallel ioctls lower down
1171 * Bugs: Needs to handle hot plugging
1172 */
8ce3eca4 1173
f4927c45 1174static long aac_cfg_ioctl(struct file *file,
1da177e4
LT		 1175 unsigned int cmd, unsigned long arg)
1176{
222a9fb3
RAR		 1177 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1178
fbd18598 1179 if (!capable(CAP_SYS_RAWIO))
60395bb6 1180 return -EPERM;
f4927c45 1181
222a9fb3 1182 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1da177e4
LT		 1183}
1184
1185#ifdef CONFIG_COMPAT
1186static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1187{
1188 long ret;
8ce3eca4 1189 switch (cmd) {
1da177e4
LT		 1190 case FSACTL_MINIPORT_REV_CHECK:
1191 case FSACTL_SENDFIB:
1192 case FSACTL_OPEN_GET_ADAPTER_FIB:
1193 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1194 case FSACTL_SEND_RAW_SRB:
1195 case FSACTL_GET_PCI_INFO:
1196 case FSACTL_QUERY_DISK:
1197 case FSACTL_DELETE_DISK:
1198 case FSACTL_FORCE_DELETE_DISK:
8ce3eca4 1199 case FSACTL_GET_CONTAINERS:
7c00ffa3 1200 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 1201 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1202 break;
1203
1204 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1205 struct fib_ioctl __user *f;
8ce3eca4 1206
1da177e4
LT		 1207 f = compat_alloc_user_space(sizeof(*f));
1208 ret = 0;
821499a8 1209 if (clear_user(f, sizeof(*f)))
1da177e4
LT		 1210 ret = -EFAULT;
1211 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1212 ret = -EFAULT;
1213 if (!ret)
3d2f98a6 1214 ret = aac_do_ioctl(dev, cmd, f);
1da177e4
LT		 1215 break;
1216 }
1217
1218 default:
8ce3eca4 1219 ret = -ENOIOCTLCMD;
1da177e4 1220 break;
8ce3eca4 1221 }
1da177e4
LT		 1222 return ret;
1223}
1224
6f4e626f
NC		 1225static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1226 void __user *arg)
1da177e4
LT		 1227{
1228 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
f856567b
DC		 1229 if (!capable(CAP_SYS_RAWIO))
1230 return -EPERM;
1da177e4
LT		 1231 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1232}
1233
1234static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1235{
5f78e89b 1236 if (!capable(CAP_SYS_RAWIO))
60395bb6 1237 return -EPERM;
35df8397 1238 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1da177e4
LT		 1239}
1240#endif
1241
ee959b00
TJ		 1242static ssize_t aac_show_model(struct device *device,
1243 struct device_attribute *attr, char *buf)
0bb14afe 1244{
ee959b00 1245 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1246 int len;
1247
1c68856e
RAR		 1248 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1249 char *cp = dev->supplement_adapter_info.adapter_type_text;
7686f132
MH		 1250 while (*cp && *cp != ' ')
1251 ++cp;
1252 while (*cp == ' ')
1253 ++cp;
1254 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1255 } else
1256 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 1257 aac_drivers[dev->cardtype].model);
1258 return len;
1259}
1260
ee959b00
TJ		 1261static ssize_t aac_show_vendor(struct device *device,
1262 struct device_attribute *attr, char *buf)
0bb14afe 1263{
ee959b00 1264 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1c68856e 1265 struct aac_supplement_adapter_info *sup_adap_info;
0bb14afe
MH		 1266 int len;
1267
1c68856e
RAR		 1268 sup_adap_info = &dev->supplement_adapter_info;
1269 if (sup_adap_info->adapter_type_text[0]) {
1270 char *cp = sup_adap_info->adapter_type_text;
7686f132
MH		 1271 while (*cp && *cp != ' ')
1272 ++cp;
1273 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1c68856e
RAR		 1274 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1275 sup_adap_info->adapter_type_text);
7686f132
MH		 1276 } else
1277 len = snprintf(buf, PAGE_SIZE, "%s\n",
1c68856e 1278 aac_drivers[dev->cardtype].vname);
0bb14afe
MH		 1279 return len;
1280}
1281
ee959b00
TJ		 1282static ssize_t aac_show_flags(struct device *cdev,
1283 struct device_attribute *attr, char *buf)
2ca39c48
SM		 1284{
1285 int len = 0;
ee959b00 1286 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
2ca39c48
SM		 1287
1288 if (nblank(dprintk(x)))
1289 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1290#ifdef AAC_DETAILED_STATUS_INFO
82893ced
TI		 1291 len += scnprintf(buf + len, PAGE_SIZE - len,
1292 "AAC_DETAILED_STATUS_INFO\n");
2ca39c48
SM		 1293#endif
1294 if (dev->raw_io_interface && dev->raw_io_64)
82893ced
TI		 1295 len += scnprintf(buf + len, PAGE_SIZE - len,
1296 "SAI_READ_CAPACITY_16\n");
cb1042f2 1297 if (dev->jbod)
82893ced
TI		 1298 len += scnprintf(buf + len, PAGE_SIZE - len,
1299 "SUPPORTED_JBOD\n");
1c68856e 1300 if (dev->supplement_adapter_info.supported_options2 &
655d722c 1301 AAC_OPTION_POWER_MANAGEMENT)
82893ced
TI		 1302 len += scnprintf(buf + len, PAGE_SIZE - len,
1303 "SUPPORTED_POWER_MANAGEMENT\n");
655d722c 1304 if (dev->msi)
82893ced 1305 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
2ca39c48
SM		 1306 return len;
1307}
1308
ee959b00
TJ		 1309static ssize_t aac_show_kernel_version(struct device *device,
1310 struct device_attribute *attr,
1311 char *buf)
0bb14afe 1312{
ee959b00 1313 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1314 int len, tmp;
1315
1316 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
8ce3eca4 1317 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
0bb14afe
MH		 1318 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1319 le32_to_cpu(dev->adapter_info.kernelbuild));
1320 return len;
1321}
1322
ee959b00
TJ		 1323static ssize_t aac_show_monitor_version(struct device *device,
1324 struct device_attribute *attr,
1325 char *buf)
0bb14afe 1326{
ee959b00 1327 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1328 int len, tmp;
1329
1330 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
8ce3eca4 1331 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
0bb14afe
MH		 1332 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1333 le32_to_cpu(dev->adapter_info.monitorbuild));
1334 return len;
1335}
1336
ee959b00
TJ		 1337static ssize_t aac_show_bios_version(struct device *device,
1338 struct device_attribute *attr,
1339 char *buf)
0bb14afe 1340{
ee959b00 1341 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1342 int len, tmp;
1343
1344 tmp = le32_to_cpu(dev->adapter_info.biosrev);
8ce3eca4 1345 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
0bb14afe
MH		 1346 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1347 le32_to_cpu(dev->adapter_info.biosbuild));
1348 return len;
1349}
1350
30202e06
RAR		 1351static ssize_t aac_show_driver_version(struct device *device,
1352 struct device_attribute *attr,
1353 char *buf)
1354{
1355 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1356}
1357
13a17fde 1358static ssize_t aac_show_serial_number(struct device *device,
ee959b00 1359 struct device_attribute *attr, char *buf)
0bb14afe 1360{
ee959b00 1361 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1362 int len = 0;
1363
1364 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
dc55b827 1365 len = snprintf(buf, 16, "%06X\n",
0bb14afe 1366 le32_to_cpu(dev->adapter_info.serial[0]));
24f02e1d 1367 if (len &&
1c68856e
RAR		 1368 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1369 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
95f6fb57 1370 buf, len-1))
dc55b827 1371 len = snprintf(buf, 16, "%.*s\n",
1c68856e
RAR		 1372 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1373 dev->supplement_adapter_info.mfg_pcba_serial_no);
dc55b827
DC		 1374
1375 return min(len, 16);
0bb14afe
MH		 1376}
1377
ee959b00
TJ		 1378static ssize_t aac_show_max_channel(struct device *device,
1379 struct device_attribute *attr, char *buf)
d1ad94ad
MH		 1380{
1381 return snprintf(buf, PAGE_SIZE, "%d\n",
ee959b00 1382 class_to_shost(device)->max_channel);
d1ad94ad
MH		 1383}
1384
ee959b00
TJ		 1385static ssize_t aac_show_max_id(struct device *device,
1386 struct device_attribute *attr, char *buf)
d1ad94ad
MH		 1387{
1388 return snprintf(buf, PAGE_SIZE, "%d\n",
ee959b00 1389 class_to_shost(device)->max_id);
d1ad94ad
MH		 1390}
1391
ee959b00
TJ		 1392static ssize_t aac_store_reset_adapter(struct device *device,
1393 struct device_attribute *attr,
1394 const char *buf, size_t count)
29c97684
SM		 1395{
1396 int retval = -EACCES;
1397
1398 if (!capable(CAP_SYS_ADMIN))
1399 return retval;
31364329 1400
97a4e8ac
RAR		 1401 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1402 buf[0] == '!', IOP_HWSOFT_RESET);
29c97684
SM		 1403 if (retval >= 0)
1404 retval = count;
97a4e8ac 1405
29c97684
SM		 1406 return retval;
1407}
1408
ee959b00
TJ		 1409static ssize_t aac_show_reset_adapter(struct device *device,
1410 struct device_attribute *attr,
1411 char *buf)
29c97684 1412{
ee959b00 1413 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
29c97684
SM		 1414 int len, tmp;
1415
1416 tmp = aac_adapter_check_health(dev);
1417 if ((tmp == 0) && dev->in_reset)
1418 tmp = -EBUSY;
bbf17d64 1419 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
29c97684
SM		 1420 return len;
1421}
0bb14afe 1422
ee959b00 1423static struct device_attribute aac_model = {
0bb14afe
MH		 1424 .attr = {
1425 .name = "model",
1426 .mode = S_IRUGO,
1427 },
1428 .show = aac_show_model,
1429};
ee959b00 1430static struct device_attribute aac_vendor = {
0bb14afe
MH		 1431 .attr = {
1432 .name = "vendor",
1433 .mode = S_IRUGO,
1434 },
1435 .show = aac_show_vendor,
1436};
ee959b00 1437static struct device_attribute aac_flags = {
2ca39c48
SM		 1438 .attr = {
1439 .name = "flags",
1440 .mode = S_IRUGO,
1441 },
1442 .show = aac_show_flags,
1443};
ee959b00 1444static struct device_attribute aac_kernel_version = {
0bb14afe
MH		 1445 .attr = {
1446 .name = "hba_kernel_version",
1447 .mode = S_IRUGO,
1448 },
1449 .show = aac_show_kernel_version,
1450};
ee959b00 1451static struct device_attribute aac_monitor_version = {
0bb14afe
MH		 1452 .attr = {
1453 .name = "hba_monitor_version",
1454 .mode = S_IRUGO,
1455 },
1456 .show = aac_show_monitor_version,
1457};
ee959b00 1458static struct device_attribute aac_bios_version = {
0bb14afe
MH		 1459 .attr = {
1460 .name = "hba_bios_version",
1461 .mode = S_IRUGO,
1462 },
1463 .show = aac_show_bios_version,
1464};
30202e06
RAR		 1465static struct device_attribute aac_lld_version = {
1466 .attr = {
1467 .name = "driver_version",
1468 .mode = 0444,
1469 },
1470 .show = aac_show_driver_version,
1471};
ee959b00 1472static struct device_attribute aac_serial_number = {
0bb14afe
MH		 1473 .attr = {
1474 .name = "serial_number",
1475 .mode = S_IRUGO,
1476 },
1477 .show = aac_show_serial_number,
1478};
ee959b00 1479static struct device_attribute aac_max_channel = {
d1ad94ad
MH		 1480 .attr = {
1481 .name = "max_channel",
1482 .mode = S_IRUGO,
1483 },
1484 .show = aac_show_max_channel,
1485};
ee959b00 1486static struct device_attribute aac_max_id = {
d1ad94ad
MH		 1487 .attr = {
1488 .name = "max_id",
1489 .mode = S_IRUGO,
1490 },
1491 .show = aac_show_max_id,
1492};
ee959b00 1493static struct device_attribute aac_reset = {
29c97684
SM		 1494 .attr = {
1495 .name = "reset_host",
1496 .mode = S_IWUSR|S_IRUGO,
1497 },
1498 .store = aac_store_reset_adapter,
1499 .show = aac_show_reset_adapter,
1500};
0bb14afe 1501
ee959b00 1502static struct device_attribute *aac_attrs[] = {
0bb14afe
MH		 1503 &aac_model,
1504 &aac_vendor,
2ca39c48 1505 &aac_flags,
0bb14afe
MH		 1506 &aac_kernel_version,
1507 &aac_monitor_version,
1508 &aac_bios_version,
30202e06 1509 &aac_lld_version,
0bb14afe 1510 &aac_serial_number,
d1ad94ad
MH		 1511 &aac_max_channel,
1512 &aac_max_id,
29c97684 1513 &aac_reset,
0bb14afe
MH		 1514 NULL
1515};
1516
ee959b00
TJ		 1517ssize_t aac_get_serial_number(struct device *device, char *buf)
1518{
1519 return aac_show_serial_number(device, &aac_serial_number, buf);
1520}
0bb14afe 1521
00977a59 1522static const struct file_operations aac_cfg_fops = {
1da177e4 1523 .owner = THIS_MODULE,
f4927c45 1524 .unlocked_ioctl = aac_cfg_ioctl,
1da177e4
LT		 1525#ifdef CONFIG_COMPAT
1526 .compat_ioctl = aac_compat_cfg_ioctl,
1527#endif
1528 .open = aac_cfg_open,
6038f373 1529 .llseek = noop_llseek,
1da177e4
LT		 1530};
1531
1532static struct scsi_host_template aac_driver_template = {
1533 .module = THIS_MODULE,
8ef22247 1534 .name = "AAC",
7c00ffa3 1535 .proc_name = AAC_DRIVERNAME,
8ef22247
SM		 1536 .info = aac_info,
1537 .ioctl = aac_ioctl,
1da177e4
LT		 1538#ifdef CONFIG_COMPAT
1539 .compat_ioctl = aac_compat_ioctl,
1540#endif
8ef22247
SM		 1541 .queuecommand = aac_queuecommand,
1542 .bios_param = aac_biosparm,
0bb14afe 1543 .shost_attrs = aac_attrs,
1da177e4 1544 .slave_configure = aac_slave_configure,
5c9cfedd 1545 .change_queue_depth = aac_change_queue_depth,
17eaacee 1546 .sdev_attrs = aac_dev_attrs,
03d44337 1547 .eh_abort_handler = aac_eh_abort,
f799319e
HR		 1548 .eh_device_reset_handler = aac_eh_dev_reset,
1549 .eh_target_reset_handler = aac_eh_target_reset,
1550 .eh_bus_reset_handler = aac_eh_bus_reset,
25188423 1551 .eh_host_reset_handler = aac_eh_host_reset,
8ef22247
SM		 1552 .can_queue = AAC_NUM_IO_FIB,
1553 .this_id = MAXIMUM_NUM_CONTAINERS,
1554 .sg_tablesize = 16,
1555 .max_sectors = 128,
1da177e4
LT		 1556#if (AAC_NUM_IO_FIB > 256)
1557 .cmd_per_lun = 256,
8ce3eca4 1558#else
8ef22247 1559 .cmd_per_lun = AAC_NUM_IO_FIB,
8ce3eca4 1560#endif
8ef22247 1561 .emulated = 1,
54b2b50c 1562 .no_write_same = 1,
1da177e4
LT		 1563};
1564
94774a3a
SM		 1565static void __aac_shutdown(struct aac_dev * aac)
1566{
495c0217
MR		 1567 int i;
1568
45348de2 1569 mutex_lock(&aac->ioctl_mutex);
423400e6 1570 aac->adapter_shutdown = 1;
45348de2 1571 mutex_unlock(&aac->ioctl_mutex);
fbd18598 1572
361ee9c3
BC		 1573 if (aac->aif_thread) {
1574 int i;
1575 /* Clear out events first */
1576 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1577 struct fib *fib = &aac->fibs[i];
1578 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1579 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
bc127d93 1580 complete(&fib->event_wait);
361ee9c3 1581 }
e85fbc59 1582 kthread_stop(aac->thread);
1c6b41fb 1583 aac->thread = NULL;
361ee9c3 1584 }
45348de2
RAR		 1585
1586 aac_send_shutdown(aac);
1587
94774a3a 1588 aac_adapter_disable_int(aac);
45348de2 1589
395e5df7 1590 if (aac_is_src(aac)) {
495c0217 1591 if (aac->max_msix > 1) {
ef616233 1592 for (i = 0; i < aac->max_msix; i++) {
0910d8bb 1593 free_irq(pci_irq_vector(aac->pdev, i),
495c0217 1594 &(aac->aac_msix[i]));
ef616233 1595 }
495c0217
MR		 1596 } else {
1597 free_irq(aac->pdev->irq,
1598 &(aac->aac_msix[0]));
1599 }
1600 } else {
1601 free_irq(aac->pdev->irq, aac);
1602 }
8ef22247
SM		 1603 if (aac->msi)
1604 pci_disable_msi(aac->pdev);
495c0217
MR		 1605 else if (aac->max_msix > 1)
1606 pci_disable_msix(aac->pdev);
94774a3a 1607}
b9fb54b4
RAR		 1608static void aac_init_char(void)
1609{
1610 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1611 if (aac_cfg_major < 0) {
1612 pr_err("aacraid: unable to register \"aac\" device.\n");
1613 }
1614}
94774a3a 1615
26c54d0e
B		 1616void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1617{
1618 /*
1619 * Firmware may send a AIF messages very early and the Driver may have
1620 * ignored as it is not fully ready to process the messages. Send
1621 * AIF to firmware so that if there are any unprocessed events they
1622 * can be processed now.
1623 */
1624 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1625 aac_intr_normal(aac, 0, 2, 0, NULL);
1626
1627}
1628
6f039790 1629static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4
LT		 1630{
1631 unsigned index = id->driver_data;
1632 struct Scsi_Host *shost;
1633 struct aac_dev *aac;
1634 struct list_head *insert = &aac_devices;
f7854c38 1635 int error;
1da177e4 1636 int unique_id = 0;
0dcae66f 1637 u64 dmamask;
8105d39d 1638 int mask_bits = 0;
11604612 1639 extern int aac_sync_mode;
1da177e4 1640
6b93b7dd
RAR		 1641 /*
1642 * Only series 7 needs freset.
1643 */
913e00a5 1644 if (pdev->device == PMC_DEVICE_S7)
6b93b7dd
RAR		 1645 pdev->needs_freset = 1;
1646
1da177e4
LT		 1647 list_for_each_entry(aac, &aac_devices, entry) {
1648 if (aac->id > unique_id)
1649 break;
1650 insert = &aac->entry;
1651 unique_id++;
1652 }
1653
cf16123c
VA		 1654 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1655 PCIE_LINK_STATE_CLKPM);
1656
08efb7b6
MH		 1657 error = pci_enable_device(pdev);
1658 if (error)
1da177e4
LT		 1659 goto out;
1660
8105d39d
RAR		 1661 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1662 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1663 if (error) {
1664 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1665 goto out_disable_pdev;
1666 }
1667 }
1668
1da177e4
LT		 1669 /*
1670 * If the quirk31 bit is set, the adapter needs adapter
1671 * to driver communication memory to be allocated below 2gig
1672 */
8105d39d 1673 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
0dcae66f 1674 dmamask = DMA_BIT_MASK(31);
8105d39d
RAR		 1675 mask_bits = 31;
1676 } else {
0dcae66f 1677 dmamask = DMA_BIT_MASK(32);
8105d39d
RAR		 1678 mask_bits = 32;
1679 }
0dcae66f 1680
8105d39d
RAR		 1681 error = pci_set_consistent_dma_mask(pdev, dmamask);
1682 if (error) {
1683 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1684 , mask_bits);
0dcae66f 1685 goto out_disable_pdev;
8105d39d 1686 }
8ce3eca4 1687
1da177e4
LT		 1688 pci_set_master(pdev);
1689
1690 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
f7854c38
CJ		 1691 if (!shost) {
1692 error = -ENOMEM;
1da177e4 1693 goto out_disable_pdev;
f7854c38 1694 }
1da177e4
LT		 1695
1696 shost->irq = pdev->irq;
1da177e4 1697 shost->unique_id = unique_id;
7a8cf29d 1698 shost->max_cmd_len = 16;
1da177e4 1699
b9fb54b4
RAR		 1700 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1701 aac_init_char();
1702
1da177e4 1703 aac = (struct aac_dev *)shost->hostdata;
ff08784b 1704 aac->base_start = pci_resource_start(pdev, 0);
8ce3eca4 1705 aac->scsi_host_ptr = shost;
1da177e4
LT		 1706 aac->pdev = pdev;
1707 aac->name = aac_driver_template.name;
1708 aac->id = shost->unique_id;
a4576b5d 1709 aac->cardtype = index;
1da177e4
LT		 1710 INIT_LIST_HEAD(&aac->entry);
1711
d9b6d85a
GP		 1712 if (aac_reset_devices || reset_devices)
1713 aac->init_reset = true;
1714
6396bb22
KC		 1715 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1716 sizeof(struct fib),
1717 GFP_KERNEL);
f7854c38
CJ		 1718 if (!aac->fibs) {
1719 error = -ENOMEM;
1da177e4 1720 goto out_free_host;
f7854c38
CJ		 1721 }
1722
1da177e4
LT		 1723 spin_lock_init(&aac->fib_lock);
1724
222a9fb3 1725 mutex_init(&aac->ioctl_mutex);
3395614e 1726 mutex_init(&aac->scan_mutex);
a1367e4a
RAR		 1727
1728 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
26c54d0e
B		 1729 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1730 aac_src_reinit_aif_worker);
8e0c5ebd
MH		 1731 /*
1732 * Map in the registers from the adapter.
1733 */
1734 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
00c20cdc
MR		 1735 if ((*aac_drivers[index].init)(aac)) {
1736 error = -ENODEV;
8e0c5ebd 1737 goto out_unmap;
00c20cdc 1738 }
8e0c5ebd 1739
11604612
MR		 1740 if (aac->sync_mode) {
1741 if (aac_sync_mode)
1742 printk(KERN_INFO "%s%d: Sync. mode enforced "
1743 "by driver parameter. This will cause "
1744 "a significant performance decrease!\n",
1745 aac->name,
1746 aac->id);
1747 else
1748 printk(KERN_INFO "%s%d: Async. mode not supported "
1749 "by current driver, sync. mode enforced."
1750 "\nPlease update driver to get full performance.\n",
1751 aac->name,
1752 aac->id);
1753 }
1754
8e0c5ebd
MH		 1755 /*
1756 * Start any kernel threads needed
1757 */
fe27381d
CH		 1758 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1759 if (IS_ERR(aac->thread)) {
8e0c5ebd 1760 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
fe27381d 1761 error = PTR_ERR(aac->thread);
361ee9c3 1762 aac->thread = NULL;
8e0c5ebd
MH		 1763 goto out_deinit;
1764 }
1da177e4 1765
84971738 1766 aac->maximum_num_channels = aac_drivers[index].channels;
08efb7b6
MH		 1767 error = aac_get_adapter_info(aac);
1768 if (error < 0)
1769 goto out_deinit;
1da177e4
LT		 1770
1771 /*
a4576b5d
MS		 1772 * Lets override negotiations and drop the maximum SG limit to 34
1773 */
8ce3eca4 1774 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
62e9f5c4
SM		 1775 (shost->sg_tablesize > 34)) {
1776 shost->sg_tablesize = 34;
1777 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
a4576b5d 1778 }
7c00ffa3 1779
a4576b5d 1780 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
62e9f5c4
SM		 1781 (shost->sg_tablesize > 17)) {
1782 shost->sg_tablesize = 17;
1783 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
a4576b5d 1784 }
db39363c 1785
a8cf59a6
CH		 1786 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1787 shost->max_segment_size = shost->max_sectors << 9;
1788 else
1789 shost->max_segment_size = 65536;
62e9f5c4 1790
7c00ffa3 1791 /*
62e9f5c4 1792 * Firmware printf works only with older firmware.
7c00ffa3 1793 */
8ce3eca4 1794 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
7c00ffa3
MH		 1795 aac->printf_enabled = 1;
1796 else
1797 aac->printf_enabled = 0;
8ce3eca4 1798
a4576b5d 1799 /*
1da177e4 1800 * max channel will be the physical channels plus 1 virtual channel
bb08f92e 1801 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1da177e4
LT		 1802 * physical channels are address by their actual physical number+1
1803 */
cb1042f2 1804 if (aac->nondasd_support || expose_physicals || aac->jbod)
95433bad 1805 shost->max_channel = aac->maximum_num_channels;
1da177e4 1806 else
95433bad 1807 shost->max_channel = 0;
1da177e4 1808
8c867b25 1809 aac_get_config_status(aac, 0);
1da177e4
LT		 1810 aac_get_containers(aac);
1811 list_add(&aac->entry, insert);
1812
1813 shost->max_id = aac->maximum_num_containers;
84971738
MH		 1814 if (shost->max_id < aac->maximum_num_physicals)
1815 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 1816 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1817 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1818 else
1819 shost->this_id = shost->max_id;
1820
d503e2fd 1821 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
787ab6e9 1822 aac_intr_normal(aac, 0, 2, 0, NULL);
9cb62fa2 1823
1da177e4
LT		 1824 /*
1825 * dmb - we may need to move the setting of these parms somewhere else once
1826 * we get a fib that can report the actual numbers
1827 */
1828 shost->max_lun = AAC_MAX_LUN;
1829
1830 pci_set_drvdata(pdev, shost);
1831
1832 error = scsi_add_host(shost, &pdev->dev);
1833 if (error)
1834 goto out_deinit;
8ebaa67f 1835
75be67cd 1836 aac_scan_host(aac);
1da177e4 1837
5c63f7f7
RAR		 1838 pci_enable_pcie_error_reporting(pdev);
1839 pci_save_state(pdev);
1840
1da177e4
LT		 1841 return 0;
1842
bd1aac80 1843 out_deinit:
94774a3a 1844 __aac_shutdown(aac);
8e0c5ebd 1845 out_unmap:
bfb35aa8 1846 aac_fib_map_free(aac);
2b053729 1847 if (aac->comm_addr)
f481973d
MR		 1848 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1849 aac->comm_addr, aac->comm_phys);
1da177e4 1850 kfree(aac->queues);
76a7f8fd 1851 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 1852 kfree(aac->fibs);
1853 kfree(aac->fsa_dev);
1854 out_free_host:
1855 scsi_host_put(shost);
1856 out_disable_pdev:
1857 pci_disable_device(pdev);
1858 out:
1859 return error;
1860}
1861
fe0798c5 1862static void aac_release_resources(struct aac_dev *aac)
de665f28 1863{
de665f28 1864 aac_adapter_disable_int(aac);
d3e19175 1865 aac_free_irq(aac);
de665f28
MR		 1866}
1867
1868static int aac_acquire_resources(struct aac_dev *dev)
1869{
de665f28
MR		 1870 unsigned long status;
1871 /*
1872 * First clear out all interrupts. Then enable the one's that we
1873 * can handle.
1874 */
1875 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1876 || status == 0xffffffff)
1877 msleep(20);
1878
1879 aac_adapter_disable_int(dev);
1880 aac_adapter_enable_int(dev);
1881
1882
395e5df7 1883 if (aac_is_src(dev))
de665f28
MR		 1884 aac_define_int_mode(dev);
1885
1886 if (dev->msi_enabled)
1887 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1888
d3e19175
RAR		 1889 if (aac_acquire_irq(dev))
1890 goto error_iounmap;
de665f28
MR		 1891
1892 aac_adapter_enable_int(dev);
1893
ecc479e0
RAR		 1894 /*max msix may change after EEH
1895 * Re-assign vectors to fibs
1896 */
1897 aac_fib_vector_assign(dev);
1898
1899 if (!dev->sync_mode) {
1900 /* After EEH recovery or suspend resume, max_msix count
608595ed 1901 * may change, therefore updating in init as well.
ecc479e0 1902 */
d1ef4da8 1903 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
116d77fe 1904 aac_adapter_start(dev);
ecc479e0 1905 }
de665f28
MR		 1906 return 0;
1907
1908error_iounmap:
1909 return -1;
1910
1911}
5c63f7f7
RAR		 1912
1913#if (defined(CONFIG_PM))
de665f28
MR		 1914static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1915{
1916
1917 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1918 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1919
3d3ca53b 1920 scsi_host_block(shost);
26c54d0e 1921 aac_cancel_rescan_worker(aac);
de665f28
MR		 1922 aac_send_shutdown(aac);
1923
1924 aac_release_resources(aac);
1925
1926 pci_set_drvdata(pdev, shost);
1927 pci_save_state(pdev);
1928 pci_disable_device(pdev);
1929 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1930
1931 return 0;
1932}
1933
1934static int aac_resume(struct pci_dev *pdev)
1935{
1936 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1937 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1938 int r;
1939
1940 pci_set_power_state(pdev, PCI_D0);
1941 pci_enable_wake(pdev, PCI_D0, 0);
1942 pci_restore_state(pdev);
1943 r = pci_enable_device(pdev);
1944
1945 if (r)
1946 goto fail_device;
1947
1948 pci_set_master(pdev);
1949 if (aac_acquire_resources(aac))
1950 goto fail_device;
e728f8e3
MR		 1951 /*
1952 * reset this flag to unblock ioctl() as it was set at
1953 * aac_send_shutdown() to block ioctls from upperlayer
1954 */
1955 aac->adapter_shutdown = 0;
3d3ca53b 1956 scsi_host_unblock(shost, SDEV_RUNNING);
de665f28
MR		 1957
1958 return 0;
1959
1960fail_device:
1961 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1962 scsi_host_put(shost);
1963 pci_disable_device(pdev);
1964 return -ENODEV;
1965}
1966#endif
1967
bd1aac80
MH		 1968static void aac_shutdown(struct pci_dev *dev)
1969{
1970 struct Scsi_Host *shost = pci_get_drvdata(dev);
3d3ca53b
HR		 1971
1972 scsi_host_block(shost);
c835e372 1973 __aac_shutdown((struct aac_dev *)shost->hostdata);
bd1aac80
MH		 1974}
1975
6f039790 1976static void aac_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1977{
1978 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1979 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1980
26c54d0e 1981 aac_cancel_rescan_worker(aac);
1da177e4
LT		 1982 scsi_remove_host(shost);
1983
94774a3a 1984 __aac_shutdown(aac);
bfb35aa8 1985 aac_fib_map_free(aac);
f481973d
MR		 1986 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1987 aac->comm_phys);
1da177e4
LT		 1988 kfree(aac->queues);
1989
76a7f8fd 1990 aac_adapter_ioremap(aac, 0);
8ce3eca4 1991
1da177e4 1992 kfree(aac->fibs);
8e0c5ebd 1993 kfree(aac->fsa_dev);
8ce3eca4 1994
1da177e4
LT		 1995 list_del(&aac->entry);
1996 scsi_host_put(shost);
1997 pci_disable_device(pdev);
90ee3466
MH		 1998 if (list_empty(&aac_devices)) {
1999 unregister_chrdev(aac_cfg_major, "aac");
b9fb54b4 2000 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
90ee3466 2001 }
1da177e4
LT		 2002}
2003
5c63f7f7 2004static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
16d79cd4 2005 pci_channel_state_t error)
5c63f7f7
RAR		 2006{
2007 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2008 struct aac_dev *aac = shost_priv(shost);
2009
2010 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2011
2012 switch (error) {
2013 case pci_channel_io_normal:
2014 return PCI_ERS_RESULT_CAN_RECOVER;
2015 case pci_channel_io_frozen:
2016 aac->handle_pci_error = 1;
2017
3d3ca53b 2018 scsi_host_block(shost);
26c54d0e 2019 aac_cancel_rescan_worker(aac);
b64f239e 2020 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
5c63f7f7
RAR		 2021 aac_release_resources(aac);
2022
2023 pci_disable_pcie_error_reporting(pdev);
2024 aac_adapter_ioremap(aac, 0);
2025
2026 return PCI_ERS_RESULT_NEED_RESET;
2027 case pci_channel_io_perm_failure:
2028 aac->handle_pci_error = 1;
2029
b64f239e 2030 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
5c63f7f7
RAR		 2031 return PCI_ERS_RESULT_DISCONNECT;
2032 }
2033
2034 return PCI_ERS_RESULT_NEED_RESET;
2035}
2036
2037static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2038{
2039 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2040 return PCI_ERS_RESULT_NEED_RESET;
2041}
2042
2043static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2044{
2045 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2046 pci_restore_state(pdev);
2047 if (pci_enable_device(pdev)) {
2048 dev_warn(&pdev->dev,
2049 "aacraid: failed to enable slave\n");
2050 goto fail_device;
2051 }
2052
2053 pci_set_master(pdev);
2054
2055 if (pci_enable_device_mem(pdev)) {
2056 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2057 goto fail_device;
2058 }
2059
2060 return PCI_ERS_RESULT_RECOVERED;
2061
2062fail_device:
2063 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2064 return PCI_ERS_RESULT_DISCONNECT;
2065}
2066
2067
2068static void aac_pci_resume(struct pci_dev *pdev)
2069{
2070 struct Scsi_Host *shost = pci_get_drvdata(pdev);
5c63f7f7
RAR		 2071 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2072
5c63f7f7
RAR		 2073 if (aac_adapter_ioremap(aac, aac->base_size)) {
2074
2075 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2076 /* remap failed, go back ... */
2077 aac->comm_interface = AAC_COMM_PRODUCER;
2078 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2079 dev_warn(&pdev->dev,
2080 "aacraid: unable to map adapter.\n");
2081
2082 return;
2083 }
2084 }
2085
2086 msleep(10000);
2087
2088 aac_acquire_resources(aac);
2089
2090 /*
2091 * reset this flag to unblock ioctl() as it was set
2092 * at aac_send_shutdown() to block ioctls from upperlayer
2093 */
2094 aac->adapter_shutdown = 0;
2095 aac->handle_pci_error = 0;
2096
3d3ca53b 2097 scsi_host_unblock(shost, SDEV_RUNNING);
75be67cd 2098 aac_scan_host(aac);
5c63f7f7
RAR		 2099 pci_save_state(pdev);
2100
2101 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2102}
2103
2104static struct pci_error_handlers aac_pci_err_handler = {
2105 .error_detected = aac_pci_error_detected,
2106 .mmio_enabled = aac_pci_mmio_enabled,
2107 .slot_reset = aac_pci_slot_reset,
2108 .resume = aac_pci_resume,
2109};
2110
1da177e4
LT		 2111static struct pci_driver aac_pci_driver = {
2112 .name = AAC_DRIVERNAME,
2113 .id_table = aac_pci_tbl,
2114 .probe = aac_probe_one,
6f039790 2115 .remove = aac_remove_one,
de665f28
MR		 2116#if (defined(CONFIG_PM))
2117 .suspend = aac_suspend,
2118 .resume = aac_resume,
2119#endif
8ef22247 2120 .shutdown = aac_shutdown,
5c63f7f7 2121 .err_handler = &aac_pci_err_handler,
1da177e4
LT		 2122};
2123
2124static int __init aac_init(void)
2125{
2126 int error;
8ce3eca4 2127
29c97684 2128 printk(KERN_INFO "Adaptec %s driver %s\n",
c7f47602 2129 AAC_DRIVERNAME, aac_driver_version);
1da177e4 2130
08efb7b6
MH		 2131 error = pci_register_driver(&aac_pci_driver);
2132 if (error < 0)
1da177e4
LT		 2133 return error;
2134
b9fb54b4
RAR		 2135 aac_init_char();
2136
bd1aac80 2137
1da177e4
LT		 2138 return 0;
2139}
2140
2141static void __exit aac_exit(void)
2142{
53926274
MH		 2143 if (aac_cfg_major > -1)
2144 unregister_chrdev(aac_cfg_major, "aac");
1da177e4
LT		 2145 pci_unregister_driver(&aac_pci_driver);
2146}
2147
2148module_init(aac_init);
2149module_exit(aac_exit);
Linux 6.x block layer and io_uring tree(s)