2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
29 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
33 #include <linux/compat.h>
34 #include <linux/blkdev.h>
35 #include <linux/completion.h>
36 #include <linux/init.h>
37 #include <linux/interrupt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/moduleparam.h>
41 #include <linux/pci.h>
42 #include <linux/aer.h>
43 #include <linux/pci-aspm.h>
44 #include <linux/slab.h>
45 #include <linux/mutex.h>
46 #include <linux/spinlock.h>
47 #include <linux/syscalls.h>
48 #include <linux/delay.h>
49 #include <linux/kthread.h>
51 #include <scsi/scsi.h>
52 #include <scsi/scsi_cmnd.h>
53 #include <scsi/scsi_device.h>
54 #include <scsi/scsi_host.h>
55 #include <scsi/scsi_tcq.h>
56 #include <scsi/scsicam.h>
57 #include <scsi/scsi_eh.h>
61 #define AAC_DRIVER_VERSION "1.2.1"
62 #ifndef AAC_DRIVER_BRANCH
63 #define AAC_DRIVER_BRANCH ""
65 #define AAC_DRIVERNAME "aacraid"
67 #ifdef AAC_DRIVER_BUILD
69 #define str(x) _str(x)
70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
75 MODULE_AUTHOR("Red Hat Inc and Adaptec");
76 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
77 "Adaptec Advanced Raid Products, "
78 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
79 MODULE_LICENSE("GPL");
80 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
82 static DEFINE_MUTEX(aac_mutex);
83 static LIST_HEAD(aac_devices);
84 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
85 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
88 * Because of the way Linux names scsi devices, the order in this table has
89 * become important. Check for on-board Raid first, add-in cards second.
91 * Note: The last field is used to index into aac_drivers below.
93 static const struct pci_device_id aac_pci_tbl[] = {
94 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
95 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
96 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
97 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
98 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
99 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
100 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
101 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
102 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
103 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
104 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
105 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
106 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
107 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
108 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
109 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
111 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
112 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
113 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
114 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
115 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
116 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
117 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
118 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
119 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
127 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
128 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
129 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
130 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
131 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
132 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
133 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
134 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
135 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
136 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
137 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
138 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
139 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
141 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
142 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
143 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
144 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
161 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
162 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
163 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
169 * dmb - For now we add the number of channels to this structure.
170 * In the future we should add a fib that reports the number of channels
171 * for the card. At that time we can remove the channels from here
173 static struct aac_driver_ident aac_drivers[] = {
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
189 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
206 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
207 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
209 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
213 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
228 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
234 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
235 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
239 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
249 * Queues a command for execution by the associated Host Adapter.
251 * TODO: unify with aac_scsi_cmd().
254 static int aac_queuecommand(struct Scsi_Host *shost,
255 struct scsi_cmnd *cmd)
258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
264 * aac_info - Returns the host adapter name
265 * @shost: Scsi host to report on
267 * Returns a static string describing the device in question
270 static const char *aac_info(struct Scsi_Host *shost)
272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273 return aac_drivers[dev->cardtype].name;
277 * aac_get_driver_ident
278 * @devtype: index into lookup table
280 * Returns a pointer to the entry in the driver lookup table.
283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
285 return &aac_drivers[devtype];
289 * aac_biosparm - return BIOS parameters for disk
290 * @sdev: The scsi device corresponding to the disk
291 * @bdev: the block device corresponding to the disk
292 * @capacity: the sector capacity of the disk
293 * @geom: geometry block to fill in
295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
297 * number of cylinders so as not to exceed drive capacity. In order for
298 * disks equal to or larger than 1 GB to be addressable by the BIOS
299 * without exceeding the BIOS limitation of 1024 cylinders, Extended
300 * Translation should be enabled. With Extended Translation enabled,
301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303 * are given a disk geometry of 255 heads and 63 sectors. However, if
304 * the BIOS detects that the Extended Translation setting does not match
305 * the geometry in the partition table, then the translation inferred
306 * from the partition table will be used by the BIOS, and a warning may
310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311 sector_t capacity, int *geom)
313 struct diskparm *param = (struct diskparm *)geom;
316 dprintk((KERN_DEBUG "aac_biosparm.\n"));
319 * Assuming extended translation is enabled - #REVISIT#
321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
337 * Read the first 1024 bytes from the disk device, if the boot
338 * sector partition table is valid, search for a partition table
339 * entry whose end_head matches one of the standard geometry
340 * translations ( 64/32, 128/32, 255/63 ).
342 buf = scsi_bios_ptable(bdev);
345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346 struct partition *first = (struct partition * )buf;
347 struct partition *entry = first;
348 int saved_cylinders = param->cylinders;
350 unsigned char end_head, end_sec;
352 for(num = 0; num < 4; num++) {
353 end_head = entry->end_head;
354 end_sec = entry->end_sector & 0x3f;
360 } else if(end_head == 127) {
364 } else if(end_head == 254) {
373 end_head = first->end_head;
374 end_sec = first->end_sector & 0x3f;
377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378 if (num < 4 && end_sec == param->sectors) {
379 if (param->cylinders != saved_cylinders)
380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381 param->heads, param->sectors, num));
382 } else if (end_head > 0 || end_sec > 0) {
383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384 end_head + 1, end_sec, num));
385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386 param->heads, param->sectors));
394 * aac_slave_configure - compute queue depths
395 * @sdev: SCSI device we are considering
397 * Selects queue depths for each target device based on the host adapter's
398 * total capacity and the queue depth supported by the target device.
399 * A queue depth of one automatically disables tagged queueing.
402 static int aac_slave_configure(struct scsi_device *sdev)
404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
406 unsigned int depth = 0;
407 unsigned int set_timeout = 0;
408 bool set_qd_dev_type = false;
411 chn = aac_logical_to_phys(sdev_channel(sdev));
413 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
414 devtype = aac->hba_map[chn][tid].devtype;
416 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
417 depth = aac->hba_map[chn][tid].qd_limit;
421 if (devtype == AAC_DEVTYPE_ARC_RAW) {
422 set_qd_dev_type = true;
428 if (aac->jbod && (sdev->type == TYPE_DISK))
431 if (sdev->type == TYPE_DISK
432 && sdev_channel(sdev) != CONTAINER_CHANNEL
433 && (!aac->jbod || sdev->inq_periph_qual)
434 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
436 if (expose_physicals == 0)
439 if (expose_physicals < 0)
440 sdev->no_uld_attach = 1;
443 if (sdev->tagged_supported
444 && sdev->type == TYPE_DISK
445 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
446 && !sdev->no_uld_attach) {
448 struct scsi_device * dev;
449 struct Scsi_Host *host = sdev->host;
450 unsigned num_lsu = 0;
451 unsigned num_one = 0;
456 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
457 if (aac->fsa_dev[cid].valid)
460 __shost_for_each_device(dev, host) {
461 if (dev->tagged_supported
462 && dev->type == TYPE_DISK
463 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
464 && !dev->no_uld_attach) {
465 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
466 || !aac->fsa_dev[sdev_id(dev)].valid) {
477 depth = (host->can_queue - num_one) / num_lsu;
479 if (sdev_channel(sdev) != NATIVE_CHANNEL)
482 set_qd_dev_type = true;
489 * Check if SATA drive
491 if (set_qd_dev_type) {
492 if (strncmp(sdev->vendor, "ATA", 3) == 0)
499 * Firmware has an individual device recovery time typically
500 * of 35 seconds, give us a margin.
502 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
503 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
510 scsi_change_queue_depth(sdev, depth);
512 sdev->tagged_supported = 1;
518 * aac_change_queue_depth - alter queue depths
519 * @sdev: SCSI device we are considering
520 * @depth: desired queue depth
522 * Alters queue depths for target device based on the host adapter's
523 * total capacity and the queue depth supported by the target device.
526 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
528 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
529 int chn, tid, is_native_device = 0;
531 chn = aac_logical_to_phys(sdev_channel(sdev));
533 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
534 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
535 is_native_device = 1;
537 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
538 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
539 struct scsi_device * dev;
540 struct Scsi_Host *host = sdev->host;
543 __shost_for_each_device(dev, host) {
544 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
545 (sdev_channel(dev) == CONTAINER_CHANNEL))
549 if (num >= host->can_queue)
550 num = host->can_queue - 1;
551 if (depth > (host->can_queue - num))
552 depth = host->can_queue - num;
557 return scsi_change_queue_depth(sdev, depth);
558 } else if (is_native_device) {
559 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
561 scsi_change_queue_depth(sdev, 1);
563 return sdev->queue_depth;
566 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
568 struct scsi_device *sdev = to_scsi_device(dev);
569 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
570 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
571 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
573 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
574 return snprintf(buf, PAGE_SIZE, "%s\n",
575 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
578 static struct device_attribute aac_raid_level_attr = {
583 .show = aac_show_raid_level
586 static ssize_t aac_show_unique_id(struct device *dev,
587 struct device_attribute *attr, char *buf)
589 struct scsi_device *sdev = to_scsi_device(dev);
590 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
591 unsigned char sn[16];
593 memset(sn, 0, sizeof(sn));
595 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
596 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
598 return snprintf(buf, 16 * 2 + 2,
599 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
600 sn[0], sn[1], sn[2], sn[3],
601 sn[4], sn[5], sn[6], sn[7],
602 sn[8], sn[9], sn[10], sn[11],
603 sn[12], sn[13], sn[14], sn[15]);
606 static struct device_attribute aac_unique_id_attr = {
611 .show = aac_show_unique_id
616 static struct device_attribute *aac_dev_attrs[] = {
617 &aac_raid_level_attr,
622 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
625 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
626 if (!capable(CAP_SYS_RAWIO))
628 return aac_do_ioctl(dev, cmd, arg);
631 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
635 struct scsi_device *sdev = NULL;
636 struct Scsi_Host *shost = aac->scsi_host_ptr;
637 struct scsi_cmnd *scmnd = NULL;
638 struct device *ctrl_dev;
646 __shost_for_each_device(sdev, shost) {
647 spin_lock_irqsave(&sdev->list_lock, flags);
648 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
649 switch (scmnd->SCp.phase) {
650 case AAC_OWNER_FIRMWARE:
653 case AAC_OWNER_ERROR_HANDLER:
656 case AAC_OWNER_LOWLEVEL:
659 case AAC_OWNER_MIDLEVEL:
667 spin_unlock_irqrestore(&sdev->list_lock, flags);
670 ctrl_dev = &aac->pdev->dev;
672 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
673 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
674 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
675 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
676 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
678 return mlcnt + llcnt + ehcnt + fwcnt;
681 static int aac_eh_abort(struct scsi_cmnd* cmd)
683 struct scsi_device * dev = cmd->device;
684 struct Scsi_Host * host = dev->host;
685 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
690 if (aac_adapter_check_health(aac))
693 bus = aac_logical_to_phys(scmd_channel(cmd));
695 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
697 struct aac_hba_tm_req *tmf;
701 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
703 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
706 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
707 fib = &aac->fibs[count];
708 if (*(u8 *)fib->hw_fib_va != 0 &&
709 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
710 (fib->callback_data == cmd)) {
718 /* start a HBA_TMF_ABORT_TASK TMF request */
719 fib = aac_fib_alloc(aac);
723 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
724 memset(tmf, 0, sizeof(*tmf));
725 tmf->tmf = HBA_TMF_ABORT_TASK;
726 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
727 tmf->lun[1] = cmd->device->lun;
729 address = (u64)fib->hw_error_pa;
730 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
731 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
732 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
734 fib->hbacmd_size = sizeof(*tmf);
735 cmd->SCp.sent_command = 0;
737 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
738 (fib_callback) aac_hba_callback,
741 /* Wait up to 15 secs for completion */
742 for (count = 0; count < 15; ++count) {
743 if (cmd->SCp.sent_command) {
751 pr_err("%s: Host adapter abort request timed out\n",
755 "%s: Host adapter abort request.\n"
756 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
757 AAC_DRIVERNAME, AAC_DRIVERNAME,
758 host->host_no, sdev_channel(dev), sdev_id(dev),
760 switch (cmd->cmnd[0]) {
761 case SERVICE_ACTION_IN_16:
762 if (!(aac->raw_io_interface) ||
764 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
770 * Mark associated FIB to not complete,
771 * eh handler does this
774 count < (host->can_queue + AAC_NUM_MGT_FIB);
776 struct fib *fib = &aac->fibs[count];
778 if (fib->hw_fib_va->header.XferState &&
779 (fib->flags & FIB_CONTEXT_FLAG) &&
780 (fib->callback_data == cmd)) {
782 FIB_CONTEXT_FLAG_TIMED_OUT;
784 AAC_OWNER_ERROR_HANDLER;
789 case TEST_UNIT_READY:
791 * Mark associated FIB to not complete,
792 * eh handler does this
795 count < (host->can_queue + AAC_NUM_MGT_FIB);
797 struct scsi_cmnd *command;
798 struct fib *fib = &aac->fibs[count];
800 command = fib->callback_data;
802 if ((fib->hw_fib_va->header.XferState &
804 (Async | NoResponseExpected)) &&
805 (fib->flags & FIB_CONTEXT_FLAG) &&
807 (command->device == cmd->device)) {
809 FIB_CONTEXT_FLAG_TIMED_OUT;
811 AAC_OWNER_ERROR_HANDLER;
822 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
823 struct fib *fib, u64 tmf_lun)
825 struct aac_hba_tm_req *tmf;
828 /* start a HBA_TMF_LUN_RESET TMF request */
829 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
830 memset(tmf, 0, sizeof(*tmf));
831 tmf->tmf = HBA_TMF_LUN_RESET;
832 tmf->it_nexus = info->rmw_nexus;
833 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
835 address = (u64)fib->hw_error_pa;
836 tmf->error_ptr_hi = cpu_to_le32
837 ((u32)(address >> 32));
838 tmf->error_ptr_lo = cpu_to_le32
839 ((u32)(address & 0xffffffff));
840 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
841 fib->hbacmd_size = sizeof(*tmf);
843 return HBA_IU_TYPE_SCSI_TM_REQ;
846 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
849 struct aac_hba_reset_req *rst;
852 /* already tried, start a hard reset now */
853 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
854 memset(rst, 0, sizeof(*rst));
855 rst->it_nexus = info->rmw_nexus;
857 address = (u64)fib->hw_error_pa;
858 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
859 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
860 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
861 fib->hbacmd_size = sizeof(*rst);
863 return HBA_IU_TYPE_SATA_REQ;
866 void aac_tmf_callback(void *context, struct fib *fibptr)
868 struct aac_hba_resp *err =
869 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
870 struct aac_hba_map_info *info = context;
873 switch (err->service_response) {
874 case HBA_RESP_SVCRES_TMF_REJECTED:
877 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
880 case HBA_RESP_SVCRES_TMF_COMPLETE:
881 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
888 aac_fib_complete(fibptr);
890 info->reset_state = res;
894 * aac_eh_dev_reset - Device reset command handling
895 * @scsi_cmd: SCSI command block causing the reset
898 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
900 struct scsi_device * dev = cmd->device;
901 struct Scsi_Host * host = dev->host;
902 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
903 struct aac_hba_map_info *info;
911 bus = aac_logical_to_phys(scmd_channel(cmd));
914 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
917 info = &aac->hba_map[bus][cid];
919 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
920 info->reset_state > 0)
923 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
926 fib = aac_fib_alloc(aac);
930 /* start a HBA_TMF_LUN_RESET TMF request */
931 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
933 info->reset_state = 1;
935 status = aac_hba_send(command, fib,
936 (fib_callback) aac_tmf_callback,
939 /* Wait up to 15 seconds for completion */
940 for (count = 0; count < 15; ++count) {
941 if (info->reset_state == 0) {
942 ret = info->reset_state == 0 ? SUCCESS : FAILED;
952 * aac_eh_target_reset - Target reset command handling
953 * @scsi_cmd: SCSI command block causing the reset
956 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
958 struct scsi_device * dev = cmd->device;
959 struct Scsi_Host * host = dev->host;
960 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
961 struct aac_hba_map_info *info;
969 bus = aac_logical_to_phys(scmd_channel(cmd));
972 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
975 info = &aac->hba_map[bus][cid];
977 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
978 info->reset_state > 0)
981 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
984 fib = aac_fib_alloc(aac);
989 /* already tried, start a hard reset now */
990 command = aac_eh_tmf_hard_reset_fib(info, fib);
992 info->reset_state = 2;
994 status = aac_hba_send(command, fib,
995 (fib_callback) aac_tmf_callback,
998 /* Wait up to 15 seconds for completion */
999 for (count = 0; count < 15; ++count) {
1000 if (info->reset_state <= 0) {
1001 ret = info->reset_state == 0 ? SUCCESS : FAILED;
1011 * aac_eh_bus_reset - Bus reset command handling
1012 * @scsi_cmd: SCSI command block causing the reset
1015 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1017 struct scsi_device * dev = cmd->device;
1018 struct Scsi_Host * host = dev->host;
1019 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1025 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1026 /* Mark the assoc. FIB to not complete, eh handler does this */
1027 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1028 struct fib *fib = &aac->fibs[count];
1030 if (fib->hw_fib_va->header.XferState &&
1031 (fib->flags & FIB_CONTEXT_FLAG) &&
1032 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1033 struct aac_hba_map_info *info;
1036 cmd = (struct scsi_cmnd *)fib->callback_data;
1037 bus = aac_logical_to_phys(scmd_channel(cmd));
1041 info = &aac->hba_map[bus][cid];
1042 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1043 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1044 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1045 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1050 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1053 * Check the health of the controller
1055 status = aac_adapter_check_health(aac);
1057 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1059 count = get_num_of_incomplete_fibs(aac);
1060 return (count == 0) ? SUCCESS : FAILED;
1064 * aac_eh_host_reset - Host reset command handling
1065 * @scsi_cmd: SCSI command block causing the reset
1068 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1070 struct scsi_device * dev = cmd->device;
1071 struct Scsi_Host * host = dev->host;
1072 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1074 __le32 supported_options2 = 0;
1076 bool is_ignore_reset;
1077 bool is_doorbell_reset;
1080 * Check if reset is supported by the firmware
1082 supported_options2 = aac->supplement_adapter_info.supported_options2;
1083 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1084 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1085 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1087 * This adapter needs a blind reset, only do so for
1088 * Adapters that support a register, instead of a commanded,
1091 if ((is_mu_reset || is_doorbell_reset)
1093 && (aac_check_reset != -1 || !is_ignore_reset)) {
1094 /* Bypass wait for command quiesce */
1095 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1101 if (ret == SUCCESS) {
1103 struct aac_hba_map_info *info;
1105 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1106 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1107 info = &aac->hba_map[bus][cid];
1108 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1109 info->reset_state = 0;
1117 * aac_cfg_open - open a configuration file
1118 * @inode: inode being opened
1119 * @file: file handle attached
1121 * Called when the configuration device is opened. Does the needed
1122 * set up on the handle and then returns
1124 * Bugs: This needs extending to check a given adapter is present
1125 * so we can support hot plugging, and to ref count adapters.
1128 static int aac_cfg_open(struct inode *inode, struct file *file)
1130 struct aac_dev *aac;
1131 unsigned minor_number = iminor(inode);
1134 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1135 list_for_each_entry(aac, &aac_devices, entry) {
1136 if (aac->id == minor_number) {
1137 file->private_data = aac;
1142 mutex_unlock(&aac_mutex);
1148 * aac_cfg_ioctl - AAC configuration request
1149 * @inode: inode of device
1150 * @file: file handle
1151 * @cmd: ioctl command code
1154 * Handles a configuration ioctl. Currently this involves wrapping it
1155 * up and feeding it into the nasty windowsalike glue layer.
1157 * Bugs: Needs locking against parallel ioctls lower down
1158 * Bugs: Needs to handle hot plugging
1161 static long aac_cfg_ioctl(struct file *file,
1162 unsigned int cmd, unsigned long arg)
1164 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1166 if (!capable(CAP_SYS_RAWIO))
1169 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1172 #ifdef CONFIG_COMPAT
1173 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1177 case FSACTL_MINIPORT_REV_CHECK:
1178 case FSACTL_SENDFIB:
1179 case FSACTL_OPEN_GET_ADAPTER_FIB:
1180 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1181 case FSACTL_SEND_RAW_SRB:
1182 case FSACTL_GET_PCI_INFO:
1183 case FSACTL_QUERY_DISK:
1184 case FSACTL_DELETE_DISK:
1185 case FSACTL_FORCE_DELETE_DISK:
1186 case FSACTL_GET_CONTAINERS:
1187 case FSACTL_SEND_LARGE_FIB:
1188 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1191 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1192 struct fib_ioctl __user *f;
1194 f = compat_alloc_user_space(sizeof(*f));
1196 if (clear_user(f, sizeof(*f)))
1198 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1201 ret = aac_do_ioctl(dev, cmd, f);
1212 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1215 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1216 if (!capable(CAP_SYS_RAWIO))
1218 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1221 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1223 if (!capable(CAP_SYS_RAWIO))
1225 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1229 static ssize_t aac_show_model(struct device *device,
1230 struct device_attribute *attr, char *buf)
1232 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1235 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1236 char *cp = dev->supplement_adapter_info.adapter_type_text;
1237 while (*cp && *cp != ' ')
1241 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1243 len = snprintf(buf, PAGE_SIZE, "%s\n",
1244 aac_drivers[dev->cardtype].model);
1248 static ssize_t aac_show_vendor(struct device *device,
1249 struct device_attribute *attr, char *buf)
1251 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1252 struct aac_supplement_adapter_info *sup_adap_info;
1255 sup_adap_info = &dev->supplement_adapter_info;
1256 if (sup_adap_info->adapter_type_text[0]) {
1257 char *cp = sup_adap_info->adapter_type_text;
1258 while (*cp && *cp != ' ')
1260 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1261 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1262 sup_adap_info->adapter_type_text);
1264 len = snprintf(buf, PAGE_SIZE, "%s\n",
1265 aac_drivers[dev->cardtype].vname);
1269 static ssize_t aac_show_flags(struct device *cdev,
1270 struct device_attribute *attr, char *buf)
1273 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1275 if (nblank(dprintk(x)))
1276 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1277 #ifdef AAC_DETAILED_STATUS_INFO
1278 len += snprintf(buf + len, PAGE_SIZE - len,
1279 "AAC_DETAILED_STATUS_INFO\n");
1281 if (dev->raw_io_interface && dev->raw_io_64)
1282 len += snprintf(buf + len, PAGE_SIZE - len,
1283 "SAI_READ_CAPACITY_16\n");
1285 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1286 if (dev->supplement_adapter_info.supported_options2 &
1287 AAC_OPTION_POWER_MANAGEMENT)
1288 len += snprintf(buf + len, PAGE_SIZE - len,
1289 "SUPPORTED_POWER_MANAGEMENT\n");
1291 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1295 static ssize_t aac_show_kernel_version(struct device *device,
1296 struct device_attribute *attr,
1299 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1302 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1303 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1304 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1305 le32_to_cpu(dev->adapter_info.kernelbuild));
1309 static ssize_t aac_show_monitor_version(struct device *device,
1310 struct device_attribute *attr,
1313 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1316 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1317 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1318 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1319 le32_to_cpu(dev->adapter_info.monitorbuild));
1323 static ssize_t aac_show_bios_version(struct device *device,
1324 struct device_attribute *attr,
1327 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1330 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1331 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1332 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1333 le32_to_cpu(dev->adapter_info.biosbuild));
1337 static ssize_t aac_show_driver_version(struct device *device,
1338 struct device_attribute *attr,
1341 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1344 static ssize_t aac_show_serial_number(struct device *device,
1345 struct device_attribute *attr, char *buf)
1347 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1350 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1351 len = snprintf(buf, 16, "%06X\n",
1352 le32_to_cpu(dev->adapter_info.serial[0]));
1354 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1355 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1357 len = snprintf(buf, 16, "%.*s\n",
1358 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1359 dev->supplement_adapter_info.mfg_pcba_serial_no);
1361 return min(len, 16);
1364 static ssize_t aac_show_max_channel(struct device *device,
1365 struct device_attribute *attr, char *buf)
1367 return snprintf(buf, PAGE_SIZE, "%d\n",
1368 class_to_shost(device)->max_channel);
1371 static ssize_t aac_show_max_id(struct device *device,
1372 struct device_attribute *attr, char *buf)
1374 return snprintf(buf, PAGE_SIZE, "%d\n",
1375 class_to_shost(device)->max_id);
1378 static ssize_t aac_store_reset_adapter(struct device *device,
1379 struct device_attribute *attr,
1380 const char *buf, size_t count)
1382 int retval = -EACCES;
1384 if (!capable(CAP_SYS_ADMIN))
1387 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1388 buf[0] == '!', IOP_HWSOFT_RESET);
1395 static ssize_t aac_show_reset_adapter(struct device *device,
1396 struct device_attribute *attr,
1399 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1402 tmp = aac_adapter_check_health(dev);
1403 if ((tmp == 0) && dev->in_reset)
1405 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1409 static struct device_attribute aac_model = {
1414 .show = aac_show_model,
1416 static struct device_attribute aac_vendor = {
1421 .show = aac_show_vendor,
1423 static struct device_attribute aac_flags = {
1428 .show = aac_show_flags,
1430 static struct device_attribute aac_kernel_version = {
1432 .name = "hba_kernel_version",
1435 .show = aac_show_kernel_version,
1437 static struct device_attribute aac_monitor_version = {
1439 .name = "hba_monitor_version",
1442 .show = aac_show_monitor_version,
1444 static struct device_attribute aac_bios_version = {
1446 .name = "hba_bios_version",
1449 .show = aac_show_bios_version,
1451 static struct device_attribute aac_lld_version = {
1453 .name = "driver_version",
1456 .show = aac_show_driver_version,
1458 static struct device_attribute aac_serial_number = {
1460 .name = "serial_number",
1463 .show = aac_show_serial_number,
1465 static struct device_attribute aac_max_channel = {
1467 .name = "max_channel",
1470 .show = aac_show_max_channel,
1472 static struct device_attribute aac_max_id = {
1477 .show = aac_show_max_id,
1479 static struct device_attribute aac_reset = {
1481 .name = "reset_host",
1482 .mode = S_IWUSR|S_IRUGO,
1484 .store = aac_store_reset_adapter,
1485 .show = aac_show_reset_adapter,
1488 static struct device_attribute *aac_attrs[] = {
1492 &aac_kernel_version,
1493 &aac_monitor_version,
1503 ssize_t aac_get_serial_number(struct device *device, char *buf)
1505 return aac_show_serial_number(device, &aac_serial_number, buf);
1508 static const struct file_operations aac_cfg_fops = {
1509 .owner = THIS_MODULE,
1510 .unlocked_ioctl = aac_cfg_ioctl,
1511 #ifdef CONFIG_COMPAT
1512 .compat_ioctl = aac_compat_cfg_ioctl,
1514 .open = aac_cfg_open,
1515 .llseek = noop_llseek,
1518 static struct scsi_host_template aac_driver_template = {
1519 .module = THIS_MODULE,
1521 .proc_name = AAC_DRIVERNAME,
1524 #ifdef CONFIG_COMPAT
1525 .compat_ioctl = aac_compat_ioctl,
1527 .queuecommand = aac_queuecommand,
1528 .bios_param = aac_biosparm,
1529 .shost_attrs = aac_attrs,
1530 .slave_configure = aac_slave_configure,
1531 .change_queue_depth = aac_change_queue_depth,
1532 .sdev_attrs = aac_dev_attrs,
1533 .eh_abort_handler = aac_eh_abort,
1534 .eh_device_reset_handler = aac_eh_dev_reset,
1535 .eh_target_reset_handler = aac_eh_target_reset,
1536 .eh_bus_reset_handler = aac_eh_bus_reset,
1537 .eh_host_reset_handler = aac_eh_host_reset,
1538 .can_queue = AAC_NUM_IO_FIB,
1539 .this_id = MAXIMUM_NUM_CONTAINERS,
1542 #if (AAC_NUM_IO_FIB > 256)
1545 .cmd_per_lun = AAC_NUM_IO_FIB,
1551 static void __aac_shutdown(struct aac_dev * aac)
1555 mutex_lock(&aac->ioctl_mutex);
1556 aac->adapter_shutdown = 1;
1557 mutex_unlock(&aac->ioctl_mutex);
1559 if (aac->aif_thread) {
1561 /* Clear out events first */
1562 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1563 struct fib *fib = &aac->fibs[i];
1564 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1565 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1566 complete(&fib->event_wait);
1568 kthread_stop(aac->thread);
1572 aac_send_shutdown(aac);
1574 aac_adapter_disable_int(aac);
1576 if (aac_is_src(aac)) {
1577 if (aac->max_msix > 1) {
1578 for (i = 0; i < aac->max_msix; i++) {
1579 free_irq(pci_irq_vector(aac->pdev, i),
1580 &(aac->aac_msix[i]));
1583 free_irq(aac->pdev->irq,
1584 &(aac->aac_msix[0]));
1587 free_irq(aac->pdev->irq, aac);
1590 pci_disable_msi(aac->pdev);
1591 else if (aac->max_msix > 1)
1592 pci_disable_msix(aac->pdev);
1594 static void aac_init_char(void)
1596 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1597 if (aac_cfg_major < 0) {
1598 pr_err("aacraid: unable to register \"aac\" device.\n");
1602 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1604 unsigned index = id->driver_data;
1605 struct Scsi_Host *shost;
1606 struct aac_dev *aac;
1607 struct list_head *insert = &aac_devices;
1608 int error = -ENODEV;
1612 extern int aac_sync_mode;
1615 * Only series 7 needs freset.
1617 if (pdev->device == PMC_DEVICE_S7)
1618 pdev->needs_freset = 1;
1620 list_for_each_entry(aac, &aac_devices, entry) {
1621 if (aac->id > unique_id)
1623 insert = &aac->entry;
1627 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1628 PCIE_LINK_STATE_CLKPM);
1630 error = pci_enable_device(pdev);
1635 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1636 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1638 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1639 goto out_disable_pdev;
1644 * If the quirk31 bit is set, the adapter needs adapter
1645 * to driver communication memory to be allocated below 2gig
1647 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1648 dmamask = DMA_BIT_MASK(31);
1651 dmamask = DMA_BIT_MASK(32);
1655 error = pci_set_consistent_dma_mask(pdev, dmamask);
1657 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1659 goto out_disable_pdev;
1662 pci_set_master(pdev);
1664 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1666 goto out_disable_pdev;
1668 shost->irq = pdev->irq;
1669 shost->unique_id = unique_id;
1670 shost->max_cmd_len = 16;
1671 shost->use_cmd_list = 1;
1673 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1676 aac = (struct aac_dev *)shost->hostdata;
1677 aac->base_start = pci_resource_start(pdev, 0);
1678 aac->scsi_host_ptr = shost;
1680 aac->name = aac_driver_template.name;
1681 aac->id = shost->unique_id;
1682 aac->cardtype = index;
1683 INIT_LIST_HEAD(&aac->entry);
1685 if (aac_reset_devices || reset_devices)
1686 aac->init_reset = true;
1688 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1693 spin_lock_init(&aac->fib_lock);
1695 mutex_init(&aac->ioctl_mutex);
1696 mutex_init(&aac->scan_mutex);
1698 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1700 * Map in the registers from the adapter.
1702 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1703 if ((*aac_drivers[index].init)(aac)) {
1708 if (aac->sync_mode) {
1710 printk(KERN_INFO "%s%d: Sync. mode enforced "
1711 "by driver parameter. This will cause "
1712 "a significant performance decrease!\n",
1716 printk(KERN_INFO "%s%d: Async. mode not supported "
1717 "by current driver, sync. mode enforced."
1718 "\nPlease update driver to get full performance.\n",
1724 * Start any kernel threads needed
1726 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1727 if (IS_ERR(aac->thread)) {
1728 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1729 error = PTR_ERR(aac->thread);
1734 aac->maximum_num_channels = aac_drivers[index].channels;
1735 error = aac_get_adapter_info(aac);
1740 * Lets override negotiations and drop the maximum SG limit to 34
1742 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1743 (shost->sg_tablesize > 34)) {
1744 shost->sg_tablesize = 34;
1745 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1748 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1749 (shost->sg_tablesize > 17)) {
1750 shost->sg_tablesize = 17;
1751 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1754 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1755 shost->max_segment_size = shost->max_sectors << 9;
1757 shost->max_segment_size = 65536;
1760 * Firmware printf works only with older firmware.
1762 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1763 aac->printf_enabled = 1;
1765 aac->printf_enabled = 0;
1768 * max channel will be the physical channels plus 1 virtual channel
1769 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1770 * physical channels are address by their actual physical number+1
1772 if (aac->nondasd_support || expose_physicals || aac->jbod)
1773 shost->max_channel = aac->maximum_num_channels;
1775 shost->max_channel = 0;
1777 aac_get_config_status(aac, 0);
1778 aac_get_containers(aac);
1779 list_add(&aac->entry, insert);
1781 shost->max_id = aac->maximum_num_containers;
1782 if (shost->max_id < aac->maximum_num_physicals)
1783 shost->max_id = aac->maximum_num_physicals;
1784 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1785 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1787 shost->this_id = shost->max_id;
1789 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1790 aac_intr_normal(aac, 0, 2, 0, NULL);
1793 * dmb - we may need to move the setting of these parms somewhere else once
1794 * we get a fib that can report the actual numbers
1796 shost->max_lun = AAC_MAX_LUN;
1798 pci_set_drvdata(pdev, shost);
1800 error = scsi_add_host(shost, &pdev->dev);
1806 pci_enable_pcie_error_reporting(pdev);
1807 pci_save_state(pdev);
1812 __aac_shutdown(aac);
1814 aac_fib_map_free(aac);
1816 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1817 aac->comm_addr, aac->comm_phys);
1819 aac_adapter_ioremap(aac, 0);
1821 kfree(aac->fsa_dev);
1823 scsi_host_put(shost);
1825 pci_disable_device(pdev);
1830 static void aac_release_resources(struct aac_dev *aac)
1832 aac_adapter_disable_int(aac);
1836 static int aac_acquire_resources(struct aac_dev *dev)
1838 unsigned long status;
1840 * First clear out all interrupts. Then enable the one's that we
1843 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1844 || status == 0xffffffff)
1847 aac_adapter_disable_int(dev);
1848 aac_adapter_enable_int(dev);
1851 if (aac_is_src(dev))
1852 aac_define_int_mode(dev);
1854 if (dev->msi_enabled)
1855 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1857 if (aac_acquire_irq(dev))
1860 aac_adapter_enable_int(dev);
1862 /*max msix may change after EEH
1863 * Re-assign vectors to fibs
1865 aac_fib_vector_assign(dev);
1867 if (!dev->sync_mode) {
1868 /* After EEH recovery or suspend resume, max_msix count
1869 * may change, therefore updating in init as well.
1871 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1872 aac_adapter_start(dev);
1881 #if (defined(CONFIG_PM))
1882 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1885 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1886 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1888 scsi_block_requests(shost);
1889 aac_cancel_safw_rescan_worker(aac);
1890 aac_send_shutdown(aac);
1892 aac_release_resources(aac);
1894 pci_set_drvdata(pdev, shost);
1895 pci_save_state(pdev);
1896 pci_disable_device(pdev);
1897 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1902 static int aac_resume(struct pci_dev *pdev)
1904 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1905 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1908 pci_set_power_state(pdev, PCI_D0);
1909 pci_enable_wake(pdev, PCI_D0, 0);
1910 pci_restore_state(pdev);
1911 r = pci_enable_device(pdev);
1916 pci_set_master(pdev);
1917 if (aac_acquire_resources(aac))
1920 * reset this flag to unblock ioctl() as it was set at
1921 * aac_send_shutdown() to block ioctls from upperlayer
1923 aac->adapter_shutdown = 0;
1924 scsi_unblock_requests(shost);
1929 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1930 scsi_host_put(shost);
1931 pci_disable_device(pdev);
1936 static void aac_shutdown(struct pci_dev *dev)
1938 struct Scsi_Host *shost = pci_get_drvdata(dev);
1939 scsi_block_requests(shost);
1940 __aac_shutdown((struct aac_dev *)shost->hostdata);
1943 static void aac_remove_one(struct pci_dev *pdev)
1945 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1946 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1948 aac_cancel_safw_rescan_worker(aac);
1949 scsi_remove_host(shost);
1951 __aac_shutdown(aac);
1952 aac_fib_map_free(aac);
1953 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1957 aac_adapter_ioremap(aac, 0);
1960 kfree(aac->fsa_dev);
1962 list_del(&aac->entry);
1963 scsi_host_put(shost);
1964 pci_disable_device(pdev);
1965 if (list_empty(&aac_devices)) {
1966 unregister_chrdev(aac_cfg_major, "aac");
1967 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1971 static void aac_flush_ios(struct aac_dev *aac)
1974 struct scsi_cmnd *cmd;
1976 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1977 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1978 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1979 scsi_dma_unmap(cmd);
1981 if (aac->handle_pci_error)
1982 cmd->result = DID_NO_CONNECT << 16;
1984 cmd->result = DID_RESET << 16;
1986 cmd->scsi_done(cmd);
1991 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1992 enum pci_channel_state error)
1994 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1995 struct aac_dev *aac = shost_priv(shost);
1997 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2000 case pci_channel_io_normal:
2001 return PCI_ERS_RESULT_CAN_RECOVER;
2002 case pci_channel_io_frozen:
2003 aac->handle_pci_error = 1;
2005 scsi_block_requests(aac->scsi_host_ptr);
2006 aac_cancel_safw_rescan_worker(aac);
2008 aac_release_resources(aac);
2010 pci_disable_pcie_error_reporting(pdev);
2011 aac_adapter_ioremap(aac, 0);
2013 return PCI_ERS_RESULT_NEED_RESET;
2014 case pci_channel_io_perm_failure:
2015 aac->handle_pci_error = 1;
2018 return PCI_ERS_RESULT_DISCONNECT;
2021 return PCI_ERS_RESULT_NEED_RESET;
2024 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2026 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2027 return PCI_ERS_RESULT_NEED_RESET;
2030 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2032 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2033 pci_restore_state(pdev);
2034 if (pci_enable_device(pdev)) {
2035 dev_warn(&pdev->dev,
2036 "aacraid: failed to enable slave\n");
2040 pci_set_master(pdev);
2042 if (pci_enable_device_mem(pdev)) {
2043 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2047 return PCI_ERS_RESULT_RECOVERED;
2050 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2051 return PCI_ERS_RESULT_DISCONNECT;
2055 static void aac_pci_resume(struct pci_dev *pdev)
2057 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2058 struct scsi_device *sdev = NULL;
2059 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2061 if (aac_adapter_ioremap(aac, aac->base_size)) {
2063 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2064 /* remap failed, go back ... */
2065 aac->comm_interface = AAC_COMM_PRODUCER;
2066 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2067 dev_warn(&pdev->dev,
2068 "aacraid: unable to map adapter.\n");
2076 aac_acquire_resources(aac);
2079 * reset this flag to unblock ioctl() as it was set
2080 * at aac_send_shutdown() to block ioctls from upperlayer
2082 aac->adapter_shutdown = 0;
2083 aac->handle_pci_error = 0;
2085 shost_for_each_device(sdev, shost)
2086 if (sdev->sdev_state == SDEV_OFFLINE)
2087 sdev->sdev_state = SDEV_RUNNING;
2088 scsi_unblock_requests(aac->scsi_host_ptr);
2090 pci_save_state(pdev);
2092 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2095 static struct pci_error_handlers aac_pci_err_handler = {
2096 .error_detected = aac_pci_error_detected,
2097 .mmio_enabled = aac_pci_mmio_enabled,
2098 .slot_reset = aac_pci_slot_reset,
2099 .resume = aac_pci_resume,
2102 static struct pci_driver aac_pci_driver = {
2103 .name = AAC_DRIVERNAME,
2104 .id_table = aac_pci_tbl,
2105 .probe = aac_probe_one,
2106 .remove = aac_remove_one,
2107 #if (defined(CONFIG_PM))
2108 .suspend = aac_suspend,
2109 .resume = aac_resume,
2111 .shutdown = aac_shutdown,
2112 .err_handler = &aac_pci_err_handler,
2115 static int __init aac_init(void)
2119 printk(KERN_INFO "Adaptec %s driver %s\n",
2120 AAC_DRIVERNAME, aac_driver_version);
2122 error = pci_register_driver(&aac_pci_driver);
2132 static void __exit aac_exit(void)
2134 if (aac_cfg_major > -1)
2135 unregister_chrdev(aac_cfg_major, "aac");
2136 pci_unregister_driver(&aac_pci_driver);
2139 module_init(aac_init);
2140 module_exit(aac_exit);