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