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drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()
[drm/drm-misc.git] / drivers / scsi / aacraid / linit.c
blob68f4dbcfff49250a632a7c1e2e10f74e303a0e19
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/slab.h>
30 #include <linux/mutex.h>
31 #include <linux/spinlock.h>
32 #include <linux/syscalls.h>
33 #include <linux/delay.h>
34 #include <linux/kthread.h>
35 #include <linux/msdos_partition.h>
36
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_cmnd.h>
39 #include <scsi/scsi_device.h>
40 #include <scsi/scsi_host.h>
41 #include <scsi/scsi_tcq.h>
42 #include <scsi/scsicam.h>
43 #include <scsi/scsi_eh.h>
44
45 #include "aacraid.h"
46
47 #define AAC_DRIVER_VERSION "1.2.1"
48 #ifndef AAC_DRIVER_BRANCH
49 #define AAC_DRIVER_BRANCH ""
50 #endif
51 #define AAC_DRIVERNAME "aacraid"
52
53 #ifdef AAC_DRIVER_BUILD
54 #define _str(x) #x
55 #define str(x) _str(x)
56 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
57 #else
58 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
59 #endif
60
61 MODULE_AUTHOR("Red Hat Inc and Adaptec");
62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
63 "Adaptec Advanced Raid Products, "
64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
65 MODULE_LICENSE("GPL");
66 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
67
68 static DEFINE_MUTEX(aac_mutex);
69 static LIST_HEAD(aac_devices);
70 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
71 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
72
73 /*
74 * Because of the way Linux names scsi devices, the order in this table has
75 * become important. Check for on-board Raid first, add-in cards second.
76 *
77 * Note: The last field is used to index into aac_drivers below.
78 */
79 static const struct pci_device_id aac_pci_tbl[] = {
80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
96
97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
135
136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
141
142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
150 { 0,}
151 };
152 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
153
154 /*
155 * dmb - For now we add the number of channels to this structure.
156 * In the future we should add a fib that reports the number of channels
157 * for the card. At that time we can remove the channels from here
158 */
159 static struct aac_driver_ident aac_drivers[] = {
160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
176
177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
213
214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
219
220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
228 };
229
230 /**
231 * aac_queuecommand - queue a SCSI command
232 * @shost: Scsi host to queue command on
233 * @cmd: SCSI command to queue
234 *
235 * Queues a command for execution by the associated Host Adapter.
236 *
237 * TODO: unify with aac_scsi_cmd().
238 */
239
240 static int aac_queuecommand(struct Scsi_Host *shost,
241 struct scsi_cmnd *cmd)
242 {
243 aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL;
244
245 return aac_scsi_cmd(cmd) ? FAILED : 0;
246 }
247
248 /**
249 * aac_info - Returns the host adapter name
250 * @shost: Scsi host to report on
251 *
252 * Returns a static string describing the device in question
253 */
254
255 static const char *aac_info(struct Scsi_Host *shost)
256 {
257 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
258 return aac_drivers[dev->cardtype].name;
259 }
260
261 /**
262 * aac_get_driver_ident
263 * @devtype: index into lookup table
264 *
265 * Returns a pointer to the entry in the driver lookup table.
266 */
267
268 struct aac_driver_ident* aac_get_driver_ident(int devtype)
269 {
270 return &aac_drivers[devtype];
271 }
272
273 /**
274 * aac_biosparm - return BIOS parameters for disk
275 * @sdev: The scsi device corresponding to the disk
276 * @bdev: the block device corresponding to the disk
277 * @capacity: the sector capacity of the disk
278 * @geom: geometry block to fill in
279 *
280 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
281 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
282 * number of cylinders so as not to exceed drive capacity. In order for
283 * disks equal to or larger than 1 GB to be addressable by the BIOS
284 * without exceeding the BIOS limitation of 1024 cylinders, Extended
285 * Translation should be enabled. With Extended Translation enabled,
286 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
287 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
288 * are given a disk geometry of 255 heads and 63 sectors. However, if
289 * the BIOS detects that the Extended Translation setting does not match
290 * the geometry in the partition table, then the translation inferred
291 * from the partition table will be used by the BIOS, and a warning may
292 * be displayed.
293 */
294
295 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
296 sector_t capacity, int *geom)
297 {
298 struct diskparm *param = (struct diskparm *)geom;
299 unsigned char *buf;
300
301 dprintk((KERN_DEBUG "aac_biosparm.\n"));
302
303 /*
304 * Assuming extended translation is enabled - #REVISIT#
305 */
306 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
307 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
308 param->heads = 255;
309 param->sectors = 63;
310 } else {
311 param->heads = 128;
312 param->sectors = 32;
313 }
314 } else {
315 param->heads = 64;
316 param->sectors = 32;
317 }
318
319 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
320
321 /*
322 * Read the first 1024 bytes from the disk device, if the boot
323 * sector partition table is valid, search for a partition table
324 * entry whose end_head matches one of the standard geometry
325 * translations ( 64/32, 128/32, 255/63 ).
326 */
327 buf = scsi_bios_ptable(bdev);
328 if (!buf)
329 return 0;
330 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
331 struct msdos_partition *first = (struct msdos_partition *)buf;
332 struct msdos_partition *entry = first;
333 int saved_cylinders = param->cylinders;
334 int num;
335 unsigned char end_head, end_sec;
336
337 for(num = 0; num < 4; num++) {
338 end_head = entry->end_head;
339 end_sec = entry->end_sector & 0x3f;
340
341 if(end_head == 63) {
342 param->heads = 64;
343 param->sectors = 32;
344 break;
345 } else if(end_head == 127) {
346 param->heads = 128;
347 param->sectors = 32;
348 break;
349 } else if(end_head == 254) {
350 param->heads = 255;
351 param->sectors = 63;
352 break;
353 }
354 entry++;
355 }
356
357 if (num == 4) {
358 end_head = first->end_head;
359 end_sec = first->end_sector & 0x3f;
360 }
361
362 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
363 if (num < 4 && end_sec == param->sectors) {
364 if (param->cylinders != saved_cylinders) {
365 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
366 param->heads, param->sectors, num));
367 }
368 } else if (end_head > 0 || end_sec > 0) {
369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
370 end_head + 1, end_sec, num));
371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
372 param->heads, param->sectors));
373 }
374 }
375 kfree(buf);
376 return 0;
377 }
378
379 /**
380 * aac_slave_configure - compute queue depths
381 * @sdev: SCSI device we are considering
382 *
383 * Selects queue depths for each target device based on the host adapter's
384 * total capacity and the queue depth supported by the target device.
385 * A queue depth of one automatically disables tagged queueing.
386 */
387
388 static int aac_slave_configure(struct scsi_device *sdev)
389 {
390 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
391 int chn, tid;
392 unsigned int depth = 0;
393 unsigned int set_timeout = 0;
394 int timeout = 0;
395 bool set_qd_dev_type = false;
396 u8 devtype = 0;
397
398 chn = aac_logical_to_phys(sdev_channel(sdev));
399 tid = sdev_id(sdev);
400 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
401 devtype = aac->hba_map[chn][tid].devtype;
402
403 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
404 depth = aac->hba_map[chn][tid].qd_limit;
405 set_timeout = 1;
406 goto common_config;
407 }
408 if (devtype == AAC_DEVTYPE_ARC_RAW) {
409 set_qd_dev_type = true;
410 set_timeout = 1;
411 goto common_config;
412 }
413 }
414
415 if (aac->jbod && (sdev->type == TYPE_DISK))
416 sdev->removable = 1;
417
418 if (sdev->type == TYPE_DISK
419 && sdev_channel(sdev) != CONTAINER_CHANNEL
420 && (!aac->jbod || sdev->inq_periph_qual)
421 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
422
423 if (expose_physicals == 0)
424 return -ENXIO;
425
426 if (expose_physicals < 0)
427 sdev->no_uld_attach = 1;
428 }
429
430 if (sdev->tagged_supported
431 && sdev->type == TYPE_DISK
432 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
433 && !sdev->no_uld_attach) {
434
435 struct scsi_device * dev;
436 struct Scsi_Host *host = sdev->host;
437 unsigned num_lsu = 0;
438 unsigned num_one = 0;
439 unsigned cid;
440
441 set_timeout = 1;
442
443 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
444 if (aac->fsa_dev[cid].valid)
445 ++num_lsu;
446
447 __shost_for_each_device(dev, host) {
448 if (dev->tagged_supported
449 && dev->type == TYPE_DISK
450 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
451 && !dev->no_uld_attach) {
452 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
453 || !aac->fsa_dev[sdev_id(dev)].valid) {
454 ++num_lsu;
455 }
456 } else {
457 ++num_one;
458 }
459 }
460
461 if (num_lsu == 0)
462 ++num_lsu;
463
464 depth = (host->can_queue - num_one) / num_lsu;
465
466 if (sdev_channel(sdev) != NATIVE_CHANNEL)
467 goto common_config;
468
469 set_qd_dev_type = true;
470
471 }
472
473 common_config:
474
475 /*
476 * Check if SATA drive
477 */
478 if (set_qd_dev_type) {
479 if (strncmp(sdev->vendor, "ATA", 3) == 0)
480 depth = 32;
481 else
482 depth = 64;
483 }
484
485 /*
486 * Firmware has an individual device recovery time typically
487 * of 35 seconds, give us a margin. Thor devices can take longer in
488 * error recovery, hence different value.
489 */
490 if (set_timeout) {
491 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
492 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
493 }
494
495 if (depth > 256)
496 depth = 256;
497 else if (depth < 1)
498 depth = 1;
499
500 scsi_change_queue_depth(sdev, depth);
501
502 sdev->tagged_supported = 1;
503
504 return 0;
505 }
506
507 /**
508 * aac_change_queue_depth - alter queue depths
509 * @sdev: SCSI device we are considering
510 * @depth: desired queue depth
511 *
512 * Alters queue depths for target device based on the host adapter's
513 * total capacity and the queue depth supported by the target device.
514 */
515
516 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
517 {
518 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
519 int chn, tid, is_native_device = 0;
520
521 chn = aac_logical_to_phys(sdev_channel(sdev));
522 tid = sdev_id(sdev);
523 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
524 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
525 is_native_device = 1;
526
527 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
528 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
529 struct scsi_device * dev;
530 struct Scsi_Host *host = sdev->host;
531 unsigned num = 0;
532
533 __shost_for_each_device(dev, host) {
534 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
535 (sdev_channel(dev) == CONTAINER_CHANNEL))
536 ++num;
537 ++num;
538 }
539 if (num >= host->can_queue)
540 num = host->can_queue - 1;
541 if (depth > (host->can_queue - num))
542 depth = host->can_queue - num;
543 if (depth > 256)
544 depth = 256;
545 else if (depth < 2)
546 depth = 2;
547 return scsi_change_queue_depth(sdev, depth);
548 } else if (is_native_device) {
549 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
550 } else {
551 scsi_change_queue_depth(sdev, 1);
552 }
553 return sdev->queue_depth;
554 }
555
556 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
557 {
558 struct scsi_device *sdev = to_scsi_device(dev);
559 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
560 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
561 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
562 ? "Hidden\n" :
563 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
564 return snprintf(buf, PAGE_SIZE, "%s\n",
565 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
566 }
567
568 static struct device_attribute aac_raid_level_attr = {
569 .attr = {
570 .name = "level",
571 .mode = S_IRUGO,
572 },
573 .show = aac_show_raid_level
574 };
575
576 static ssize_t aac_show_unique_id(struct device *dev,
577 struct device_attribute *attr, char *buf)
578 {
579 struct scsi_device *sdev = to_scsi_device(dev);
580 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
581 unsigned char sn[16];
582
583 memset(sn, 0, sizeof(sn));
584
585 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
586 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
587
588 return snprintf(buf, 16 * 2 + 2,
589 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
590 sn[0], sn[1], sn[2], sn[3],
591 sn[4], sn[5], sn[6], sn[7],
592 sn[8], sn[9], sn[10], sn[11],
593 sn[12], sn[13], sn[14], sn[15]);
594 }
595
596 static struct device_attribute aac_unique_id_attr = {
597 .attr = {
598 .name = "unique_id",
599 .mode = 0444,
600 },
601 .show = aac_show_unique_id
602 };
603
604
605
606 static struct attribute *aac_dev_attrs[] = {
607 &aac_raid_level_attr.attr,
608 &aac_unique_id_attr.attr,
609 NULL,
610 };
611
612 ATTRIBUTE_GROUPS(aac_dev);
613
614 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
615 void __user *arg)
616 {
617 int retval;
618 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
619 if (!capable(CAP_SYS_RAWIO))
620 return -EPERM;
621 retval = aac_adapter_check_health(dev);
622 if (retval)
623 return -EBUSY;
624 return aac_do_ioctl(dev, cmd, arg);
625 }
626
627 struct fib_count_data {
628 int mlcnt;
629 int llcnt;
630 int ehcnt;
631 int fwcnt;
632 int krlcnt;
633 };
634
635 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)
636 {
637 struct fib_count_data *fib_count = data;
638
639 switch (aac_priv(scmnd)->owner) {
640 case AAC_OWNER_FIRMWARE:
641 fib_count->fwcnt++;
642 break;
643 case AAC_OWNER_ERROR_HANDLER:
644 fib_count->ehcnt++;
645 break;
646 case AAC_OWNER_LOWLEVEL:
647 fib_count->llcnt++;
648 break;
649 case AAC_OWNER_MIDLEVEL:
650 fib_count->mlcnt++;
651 break;
652 default:
653 fib_count->krlcnt++;
654 break;
655 }
656 return true;
657 }
658
659 /* Called during SCSI EH, so we don't need to block requests */
660 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
661 {
662 struct Scsi_Host *shost = aac->scsi_host_ptr;
663 struct device *ctrl_dev;
664 struct fib_count_data fcnt = { };
665
666 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
667
668 ctrl_dev = &aac->pdev->dev;
669
670 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
671 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
672 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
673 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
674 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
675
676 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
677 }
678
679 static int aac_eh_abort(struct scsi_cmnd* cmd)
680 {
681 struct aac_cmd_priv *cmd_priv = aac_priv(cmd);
682 struct scsi_device * dev = cmd->device;
683 struct Scsi_Host * host = dev->host;
684 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
685 int count, found;
686 u32 bus, cid;
687 int ret = FAILED;
688
689 if (aac_adapter_check_health(aac))
690 return ret;
691
692 bus = aac_logical_to_phys(scmd_channel(cmd));
693 cid = scmd_id(cmd);
694 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
695 struct fib *fib;
696 struct aac_hba_tm_req *tmf;
697 int status;
698 u64 address;
699
700 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
701 AAC_DRIVERNAME,
702 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
703
704 found = 0;
705 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
706 fib = &aac->fibs[count];
707 if (*(u8 *)fib->hw_fib_va != 0 &&
708 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
709 (fib->callback_data == cmd)) {
710 found = 1;
711 break;
712 }
713 }
714 if (!found)
715 return ret;
716
717 /* start a HBA_TMF_ABORT_TASK TMF request */
718 fib = aac_fib_alloc(aac);
719 if (!fib)
720 return ret;
721
722 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
723 memset(tmf, 0, sizeof(*tmf));
724 tmf->tmf = HBA_TMF_ABORT_TASK;
725 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
726 tmf->lun[1] = cmd->device->lun;
727
728 address = (u64)fib->hw_error_pa;
729 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
730 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
731 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
732
733 fib->hbacmd_size = sizeof(*tmf);
734 cmd_priv->sent_command = 0;
735
736 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
737 (fib_callback) aac_hba_callback,
738 (void *) cmd);
739 if (status != -EINPROGRESS) {
740 aac_fib_complete(fib);
741 aac_fib_free(fib);
742 return ret;
743 }
744 /* Wait up to 15 secs for completion */
745 for (count = 0; count < 15; ++count) {
746 if (cmd_priv->sent_command) {
747 ret = SUCCESS;
748 break;
749 }
750 msleep(1000);
751 }
752
753 if (ret != SUCCESS)
754 pr_err("%s: Host adapter abort request timed out\n",
755 AAC_DRIVERNAME);
756 } else {
757 pr_err(
758 "%s: Host adapter abort request.\n"
759 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
760 AAC_DRIVERNAME, AAC_DRIVERNAME,
761 host->host_no, sdev_channel(dev), sdev_id(dev),
762 (int)dev->lun);
763 switch (cmd->cmnd[0]) {
764 case SERVICE_ACTION_IN_16:
765 if (!(aac->raw_io_interface) ||
766 !(aac->raw_io_64) ||
767 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
768 break;
769 fallthrough;
770 case INQUIRY:
771 case READ_CAPACITY:
772 /*
773 * Mark associated FIB to not complete,
774 * eh handler does this
775 */
776 for (count = 0;
777 count < (host->can_queue + AAC_NUM_MGT_FIB);
778 ++count) {
779 struct fib *fib = &aac->fibs[count];
780
781 if (fib->hw_fib_va->header.XferState &&
782 (fib->flags & FIB_CONTEXT_FLAG) &&
783 (fib->callback_data == cmd)) {
784 fib->flags |=
785 FIB_CONTEXT_FLAG_TIMED_OUT;
786 cmd_priv->owner =
787 AAC_OWNER_ERROR_HANDLER;
788 ret = SUCCESS;
789 }
790 }
791 break;
792 case TEST_UNIT_READY:
793 /*
794 * Mark associated FIB to not complete,
795 * eh handler does this
796 */
797 for (count = 0;
798 count < (host->can_queue + AAC_NUM_MGT_FIB);
799 ++count) {
800 struct scsi_cmnd *command;
801 struct fib *fib = &aac->fibs[count];
802
803 command = fib->callback_data;
804
805 if ((fib->hw_fib_va->header.XferState &
806 cpu_to_le32
807 (Async | NoResponseExpected)) &&
808 (fib->flags & FIB_CONTEXT_FLAG) &&
809 ((command)) &&
810 (command->device == cmd->device)) {
811 fib->flags |=
812 FIB_CONTEXT_FLAG_TIMED_OUT;
813 aac_priv(command)->owner =
814 AAC_OWNER_ERROR_HANDLER;
815 if (command == cmd)
816 ret = SUCCESS;
817 }
818 }
819 break;
820 }
821 }
822 return ret;
823 }
824
825 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
826 struct fib *fib, u64 tmf_lun)
827 {
828 struct aac_hba_tm_req *tmf;
829 u64 address;
830
831 /* start a HBA_TMF_LUN_RESET TMF request */
832 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
833 memset(tmf, 0, sizeof(*tmf));
834 tmf->tmf = HBA_TMF_LUN_RESET;
835 tmf->it_nexus = info->rmw_nexus;
836 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
837
838 address = (u64)fib->hw_error_pa;
839 tmf->error_ptr_hi = cpu_to_le32
840 ((u32)(address >> 32));
841 tmf->error_ptr_lo = cpu_to_le32
842 ((u32)(address & 0xffffffff));
843 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
844 fib->hbacmd_size = sizeof(*tmf);
845
846 return HBA_IU_TYPE_SCSI_TM_REQ;
847 }
848
849 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
850 struct fib *fib)
851 {
852 struct aac_hba_reset_req *rst;
853 u64 address;
854
855 /* already tried, start a hard reset now */
856 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
857 memset(rst, 0, sizeof(*rst));
858 rst->it_nexus = info->rmw_nexus;
859
860 address = (u64)fib->hw_error_pa;
861 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
862 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
863 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
864 fib->hbacmd_size = sizeof(*rst);
865
866 return HBA_IU_TYPE_SATA_REQ;
867 }
868
869 static void aac_tmf_callback(void *context, struct fib *fibptr)
870 {
871 struct aac_hba_resp *err =
872 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
873 struct aac_hba_map_info *info = context;
874 int res;
875
876 switch (err->service_response) {
877 case HBA_RESP_SVCRES_TMF_REJECTED:
878 res = -1;
879 break;
880 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
881 res = 0;
882 break;
883 case HBA_RESP_SVCRES_TMF_COMPLETE:
884 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
885 res = 0;
886 break;
887 default:
888 res = -2;
889 break;
890 }
891 aac_fib_complete(fibptr);
892
893 info->reset_state = res;
894 }
895
896 /*
897 * aac_eh_dev_reset - Device reset command handling
898 * @scsi_cmd: SCSI command block causing the reset
899 *
900 */
901 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
902 {
903 struct scsi_device * dev = cmd->device;
904 struct Scsi_Host * host = dev->host;
905 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
906 struct aac_hba_map_info *info;
907 int count;
908 u32 bus, cid;
909 struct fib *fib;
910 int ret = FAILED;
911 int status;
912 u8 command;
913
914 bus = aac_logical_to_phys(scmd_channel(cmd));
915 cid = scmd_id(cmd);
916
917 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
918 return FAILED;
919
920 info = &aac->hba_map[bus][cid];
921
922 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
923 !(info->reset_state > 0)))
924 return FAILED;
925
926 pr_err("%s: Host device reset request. SCSI hang ?\n",
927 AAC_DRIVERNAME);
928
929 fib = aac_fib_alloc(aac);
930 if (!fib)
931 return ret;
932
933 /* start a HBA_TMF_LUN_RESET TMF request */
934 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
935
936 info->reset_state = 1;
937
938 status = aac_hba_send(command, fib,
939 (fib_callback) aac_tmf_callback,
940 (void *) info);
941 if (status != -EINPROGRESS) {
942 info->reset_state = 0;
943 aac_fib_complete(fib);
944 aac_fib_free(fib);
945 return ret;
946 }
947 /* Wait up to 15 seconds for completion */
948 for (count = 0; count < 15; ++count) {
949 if (info->reset_state == 0) {
950 ret = info->reset_state == 0 ? SUCCESS : FAILED;
951 break;
952 }
953 msleep(1000);
954 }
955
956 return ret;
957 }
958
959 /*
960 * aac_eh_target_reset - Target reset command handling
961 * @scsi_cmd: SCSI command block causing the reset
962 *
963 */
964 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
965 {
966 struct scsi_device * dev = cmd->device;
967 struct Scsi_Host * host = dev->host;
968 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
969 struct aac_hba_map_info *info;
970 int count;
971 u32 bus, cid;
972 int ret = FAILED;
973 struct fib *fib;
974 int status;
975 u8 command;
976
977 bus = aac_logical_to_phys(scmd_channel(cmd));
978 cid = scmd_id(cmd);
979
980 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
981 return FAILED;
982
983 info = &aac->hba_map[bus][cid];
984
985 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
986 !(info->reset_state > 0)))
987 return FAILED;
988
989 pr_err("%s: Host target reset request. SCSI hang ?\n",
990 AAC_DRIVERNAME);
991
992 fib = aac_fib_alloc(aac);
993 if (!fib)
994 return ret;
995
996
997 /* already tried, start a hard reset now */
998 command = aac_eh_tmf_hard_reset_fib(info, fib);
999
1000 info->reset_state = 2;
1001
1002 status = aac_hba_send(command, fib,
1003 (fib_callback) aac_tmf_callback,
1004 (void *) info);
1005
1006 if (status != -EINPROGRESS) {
1007 info->reset_state = 0;
1008 aac_fib_complete(fib);
1009 aac_fib_free(fib);
1010 return ret;
1011 }
1012
1013 /* Wait up to 15 seconds for completion */
1014 for (count = 0; count < 15; ++count) {
1015 if (info->reset_state <= 0) {
1016 ret = info->reset_state == 0 ? SUCCESS : FAILED;
1017 break;
1018 }
1019 msleep(1000);
1020 }
1021
1022 return ret;
1023 }
1024
1025 /*
1026 * aac_eh_bus_reset - Bus reset command handling
1027 * @scsi_cmd: SCSI command block causing the reset
1028 *
1029 */
1030 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1031 {
1032 struct scsi_device * dev = cmd->device;
1033 struct Scsi_Host * host = dev->host;
1034 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1035 int count;
1036 u32 cmd_bus;
1037 int status = 0;
1038
1039
1040 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1041 /* Mark the assoc. FIB to not complete, eh handler does this */
1042 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1043 struct fib *fib = &aac->fibs[count];
1044
1045 if (fib->hw_fib_va->header.XferState &&
1046 (fib->flags & FIB_CONTEXT_FLAG) &&
1047 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1048 struct aac_hba_map_info *info;
1049 u32 bus, cid;
1050
1051 cmd = (struct scsi_cmnd *)fib->callback_data;
1052 bus = aac_logical_to_phys(scmd_channel(cmd));
1053 if (bus != cmd_bus)
1054 continue;
1055 cid = scmd_id(cmd);
1056 info = &aac->hba_map[bus][cid];
1057 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1058 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1059 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1060 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;
1061 }
1062 }
1063 }
1064
1065 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1066
1067 /*
1068 * Check the health of the controller
1069 */
1070 status = aac_adapter_check_health(aac);
1071 if (status)
1072 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1073
1074 count = get_num_of_incomplete_fibs(aac);
1075 return (count == 0) ? SUCCESS : FAILED;
1076 }
1077
1078 /*
1079 * aac_eh_host_reset - Host reset command handling
1080 * @scsi_cmd: SCSI command block causing the reset
1081 *
1082 */
1083 static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1084 {
1085 struct scsi_device * dev = cmd->device;
1086 struct Scsi_Host * host = dev->host;
1087 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1088 int ret = FAILED;
1089 __le32 supported_options2 = 0;
1090 bool is_mu_reset;
1091 bool is_ignore_reset;
1092 bool is_doorbell_reset;
1093
1094 /*
1095 * Check if reset is supported by the firmware
1096 */
1097 supported_options2 = aac->supplement_adapter_info.supported_options2;
1098 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1099 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1100 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1101 /*
1102 * This adapter needs a blind reset, only do so for
1103 * Adapters that support a register, instead of a commanded,
1104 * reset.
1105 */
1106 if ((is_mu_reset || is_doorbell_reset)
1107 && aac_check_reset
1108 && (aac_check_reset != -1 || !is_ignore_reset)) {
1109 /* Bypass wait for command quiesce */
1110 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1111 ret = SUCCESS;
1112 }
1113 /*
1114 * Reset EH state
1115 */
1116 if (ret == SUCCESS) {
1117 int bus, cid;
1118 struct aac_hba_map_info *info;
1119
1120 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1121 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1122 info = &aac->hba_map[bus][cid];
1123 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1124 info->reset_state = 0;
1125 }
1126 }
1127 }
1128 return ret;
1129 }
1130
1131 /**
1132 * aac_cfg_open - open a configuration file
1133 * @inode: inode being opened
1134 * @file: file handle attached
1135 *
1136 * Called when the configuration device is opened. Does the needed
1137 * set up on the handle and then returns
1138 *
1139 * Bugs: This needs extending to check a given adapter is present
1140 * so we can support hot plugging, and to ref count adapters.
1141 */
1142
1143 static int aac_cfg_open(struct inode *inode, struct file *file)
1144 {
1145 struct aac_dev *aac;
1146 unsigned minor_number = iminor(inode);
1147 int err = -ENODEV;
1148
1149 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1150 list_for_each_entry(aac, &aac_devices, entry) {
1151 if (aac->id == minor_number) {
1152 file->private_data = aac;
1153 err = 0;
1154 break;
1155 }
1156 }
1157 mutex_unlock(&aac_mutex);
1158
1159 return err;
1160 }
1161
1162 /**
1163 * aac_cfg_ioctl - AAC configuration request
1164 * @file: file handle
1165 * @cmd: ioctl command code
1166 * @arg: argument
1167 *
1168 * Handles a configuration ioctl. Currently this involves wrapping it
1169 * up and feeding it into the nasty windowsalike glue layer.
1170 *
1171 * Bugs: Needs locking against parallel ioctls lower down
1172 * Bugs: Needs to handle hot plugging
1173 */
1174
1175 static long aac_cfg_ioctl(struct file *file,
1176 unsigned int cmd, unsigned long arg)
1177 {
1178 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1179
1180 if (!capable(CAP_SYS_RAWIO))
1181 return -EPERM;
1182
1183 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1184 }
1185
1186 static ssize_t aac_show_model(struct device *device,
1187 struct device_attribute *attr, char *buf)
1188 {
1189 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1190 int len;
1191
1192 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1193 char *cp = dev->supplement_adapter_info.adapter_type_text;
1194 while (*cp && *cp != ' ')
1195 ++cp;
1196 while (*cp == ' ')
1197 ++cp;
1198 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1199 } else
1200 len = snprintf(buf, PAGE_SIZE, "%s\n",
1201 aac_drivers[dev->cardtype].model);
1202 return len;
1203 }
1204
1205 static ssize_t aac_show_vendor(struct device *device,
1206 struct device_attribute *attr, char *buf)
1207 {
1208 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1209 struct aac_supplement_adapter_info *sup_adap_info;
1210 int len;
1211
1212 sup_adap_info = &dev->supplement_adapter_info;
1213 if (sup_adap_info->adapter_type_text[0]) {
1214 char *cp = sup_adap_info->adapter_type_text;
1215 while (*cp && *cp != ' ')
1216 ++cp;
1217 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1218 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1219 sup_adap_info->adapter_type_text);
1220 } else
1221 len = snprintf(buf, PAGE_SIZE, "%s\n",
1222 aac_drivers[dev->cardtype].vname);
1223 return len;
1224 }
1225
1226 static ssize_t aac_show_flags(struct device *cdev,
1227 struct device_attribute *attr, char *buf)
1228 {
1229 int len = 0;
1230 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1231
1232 if (nblank(dprintk(x)))
1233 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1234 #ifdef AAC_DETAILED_STATUS_INFO
1235 len += scnprintf(buf + len, PAGE_SIZE - len,
1236 "AAC_DETAILED_STATUS_INFO\n");
1237 #endif
1238 if (dev->raw_io_interface && dev->raw_io_64)
1239 len += scnprintf(buf + len, PAGE_SIZE - len,
1240 "SAI_READ_CAPACITY_16\n");
1241 if (dev->jbod)
1242 len += scnprintf(buf + len, PAGE_SIZE - len,
1243 "SUPPORTED_JBOD\n");
1244 if (dev->supplement_adapter_info.supported_options2 &
1245 AAC_OPTION_POWER_MANAGEMENT)
1246 len += scnprintf(buf + len, PAGE_SIZE - len,
1247 "SUPPORTED_POWER_MANAGEMENT\n");
1248 if (dev->msi)
1249 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1250 return len;
1251 }
1252
1253 static ssize_t aac_show_kernel_version(struct device *device,
1254 struct device_attribute *attr,
1255 char *buf)
1256 {
1257 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1258 int len, tmp;
1259
1260 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1261 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1262 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1263 le32_to_cpu(dev->adapter_info.kernelbuild));
1264 return len;
1265 }
1266
1267 static ssize_t aac_show_monitor_version(struct device *device,
1268 struct device_attribute *attr,
1269 char *buf)
1270 {
1271 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1272 int len, tmp;
1273
1274 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1275 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1276 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1277 le32_to_cpu(dev->adapter_info.monitorbuild));
1278 return len;
1279 }
1280
1281 static ssize_t aac_show_bios_version(struct device *device,
1282 struct device_attribute *attr,
1283 char *buf)
1284 {
1285 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1286 int len, tmp;
1287
1288 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1289 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1290 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1291 le32_to_cpu(dev->adapter_info.biosbuild));
1292 return len;
1293 }
1294
1295 static ssize_t aac_show_driver_version(struct device *device,
1296 struct device_attribute *attr,
1297 char *buf)
1298 {
1299 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1300 }
1301
1302 static ssize_t aac_show_serial_number(struct device *device,
1303 struct device_attribute *attr, char *buf)
1304 {
1305 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1306 int len = 0;
1307
1308 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1309 len = snprintf(buf, 16, "%06X\n",
1310 le32_to_cpu(dev->adapter_info.serial[0]));
1311 if (len &&
1312 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1313 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1314 buf, len-1))
1315 len = snprintf(buf, 16, "%.*s\n",
1316 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1317 dev->supplement_adapter_info.mfg_pcba_serial_no);
1318
1319 return min(len, 16);
1320 }
1321
1322 static ssize_t aac_show_max_channel(struct device *device,
1323 struct device_attribute *attr, char *buf)
1324 {
1325 return snprintf(buf, PAGE_SIZE, "%d\n",
1326 class_to_shost(device)->max_channel);
1327 }
1328
1329 static ssize_t aac_show_max_id(struct device *device,
1330 struct device_attribute *attr, char *buf)
1331 {
1332 return snprintf(buf, PAGE_SIZE, "%d\n",
1333 class_to_shost(device)->max_id);
1334 }
1335
1336 static ssize_t aac_store_reset_adapter(struct device *device,
1337 struct device_attribute *attr,
1338 const char *buf, size_t count)
1339 {
1340 int retval = -EACCES;
1341
1342 if (!capable(CAP_SYS_ADMIN))
1343 return retval;
1344
1345 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1346 buf[0] == '!', IOP_HWSOFT_RESET);
1347 if (retval >= 0)
1348 retval = count;
1349
1350 return retval;
1351 }
1352
1353 static ssize_t aac_show_reset_adapter(struct device *device,
1354 struct device_attribute *attr,
1355 char *buf)
1356 {
1357 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1358 int len, tmp;
1359
1360 tmp = aac_adapter_check_health(dev);
1361 if ((tmp == 0) && dev->in_reset)
1362 tmp = -EBUSY;
1363 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1364 return len;
1365 }
1366
1367 static struct device_attribute aac_model = {
1368 .attr = {
1369 .name = "model",
1370 .mode = S_IRUGO,
1371 },
1372 .show = aac_show_model,
1373 };
1374 static struct device_attribute aac_vendor = {
1375 .attr = {
1376 .name = "vendor",
1377 .mode = S_IRUGO,
1378 },
1379 .show = aac_show_vendor,
1380 };
1381 static struct device_attribute aac_flags = {
1382 .attr = {
1383 .name = "flags",
1384 .mode = S_IRUGO,
1385 },
1386 .show = aac_show_flags,
1387 };
1388 static struct device_attribute aac_kernel_version = {
1389 .attr = {
1390 .name = "hba_kernel_version",
1391 .mode = S_IRUGO,
1392 },
1393 .show = aac_show_kernel_version,
1394 };
1395 static struct device_attribute aac_monitor_version = {
1396 .attr = {
1397 .name = "hba_monitor_version",
1398 .mode = S_IRUGO,
1399 },
1400 .show = aac_show_monitor_version,
1401 };
1402 static struct device_attribute aac_bios_version = {
1403 .attr = {
1404 .name = "hba_bios_version",
1405 .mode = S_IRUGO,
1406 },
1407 .show = aac_show_bios_version,
1408 };
1409 static struct device_attribute aac_lld_version = {
1410 .attr = {
1411 .name = "driver_version",
1412 .mode = 0444,
1413 },
1414 .show = aac_show_driver_version,
1415 };
1416 static struct device_attribute aac_serial_number = {
1417 .attr = {
1418 .name = "serial_number",
1419 .mode = S_IRUGO,
1420 },
1421 .show = aac_show_serial_number,
1422 };
1423 static struct device_attribute aac_max_channel = {
1424 .attr = {
1425 .name = "max_channel",
1426 .mode = S_IRUGO,
1427 },
1428 .show = aac_show_max_channel,
1429 };
1430 static struct device_attribute aac_max_id = {
1431 .attr = {
1432 .name = "max_id",
1433 .mode = S_IRUGO,
1434 },
1435 .show = aac_show_max_id,
1436 };
1437 static struct device_attribute aac_reset = {
1438 .attr = {
1439 .name = "reset_host",
1440 .mode = S_IWUSR|S_IRUGO,
1441 },
1442 .store = aac_store_reset_adapter,
1443 .show = aac_show_reset_adapter,
1444 };
1445
1446 static struct attribute *aac_host_attrs[] = {
1447 &aac_model.attr,
1448 &aac_vendor.attr,
1449 &aac_flags.attr,
1450 &aac_kernel_version.attr,
1451 &aac_monitor_version.attr,
1452 &aac_bios_version.attr,
1453 &aac_lld_version.attr,
1454 &aac_serial_number.attr,
1455 &aac_max_channel.attr,
1456 &aac_max_id.attr,
1457 &aac_reset.attr,
1458 NULL
1459 };
1460
1461 ATTRIBUTE_GROUPS(aac_host);
1462
1463 ssize_t aac_get_serial_number(struct device *device, char *buf)
1464 {
1465 return aac_show_serial_number(device, &aac_serial_number, buf);
1466 }
1467
1468 static const struct file_operations aac_cfg_fops = {
1469 .owner = THIS_MODULE,
1470 .unlocked_ioctl = aac_cfg_ioctl,
1471 #ifdef CONFIG_COMPAT
1472 .compat_ioctl = aac_cfg_ioctl,
1473 #endif
1474 .open = aac_cfg_open,
1475 .llseek = noop_llseek,
1476 };
1477
1478 static const struct scsi_host_template aac_driver_template = {
1479 .module = THIS_MODULE,
1480 .name = "AAC",
1481 .proc_name = AAC_DRIVERNAME,
1482 .info = aac_info,
1483 .ioctl = aac_ioctl,
1484 #ifdef CONFIG_COMPAT
1485 .compat_ioctl = aac_ioctl,
1486 #endif
1487 .queuecommand = aac_queuecommand,
1488 .bios_param = aac_biosparm,
1489 .shost_groups = aac_host_groups,
1490 .slave_configure = aac_slave_configure,
1491 .change_queue_depth = aac_change_queue_depth,
1492 .sdev_groups = aac_dev_groups,
1493 .eh_abort_handler = aac_eh_abort,
1494 .eh_device_reset_handler = aac_eh_dev_reset,
1495 .eh_target_reset_handler = aac_eh_target_reset,
1496 .eh_bus_reset_handler = aac_eh_bus_reset,
1497 .eh_host_reset_handler = aac_eh_host_reset,
1498 .can_queue = AAC_NUM_IO_FIB,
1499 .this_id = MAXIMUM_NUM_CONTAINERS,
1500 .sg_tablesize = 16,
1501 .max_sectors = 128,
1502 #if (AAC_NUM_IO_FIB > 256)
1503 .cmd_per_lun = 256,
1504 #else
1505 .cmd_per_lun = AAC_NUM_IO_FIB,
1506 #endif
1507 .emulated = 1,
1508 .no_write_same = 1,
1509 .cmd_size = sizeof(struct aac_cmd_priv),
1510 };
1511
1512 static void __aac_shutdown(struct aac_dev * aac)
1513 {
1514 int i;
1515
1516 mutex_lock(&aac->ioctl_mutex);
1517 aac->adapter_shutdown = 1;
1518 mutex_unlock(&aac->ioctl_mutex);
1519
1520 if (aac->aif_thread) {
1521 int i;
1522 /* Clear out events first */
1523 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1524 struct fib *fib = &aac->fibs[i];
1525 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1526 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1527 complete(&fib->event_wait);
1528 }
1529 kthread_stop(aac->thread);
1530 aac->thread = NULL;
1531 }
1532
1533 aac_send_shutdown(aac);
1534
1535 aac_adapter_disable_int(aac);
1536
1537 if (aac_is_src(aac)) {
1538 if (aac->max_msix > 1) {
1539 for (i = 0; i < aac->max_msix; i++) {
1540 free_irq(pci_irq_vector(aac->pdev, i),
1541 &(aac->aac_msix[i]));
1542 }
1543 } else {
1544 free_irq(aac->pdev->irq,
1545 &(aac->aac_msix[0]));
1546 }
1547 } else {
1548 free_irq(aac->pdev->irq, aac);
1549 }
1550 if (aac->msi)
1551 pci_disable_msi(aac->pdev);
1552 else if (aac->max_msix > 1)
1553 pci_disable_msix(aac->pdev);
1554 }
1555 static void aac_init_char(void)
1556 {
1557 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1558 if (aac_cfg_major < 0) {
1559 pr_err("aacraid: unable to register \"aac\" device.\n");
1560 }
1561 }
1562
1563 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1564 {
1565 /*
1566 * Firmware may send a AIF messages very early and the Driver may have
1567 * ignored as it is not fully ready to process the messages. Send
1568 * AIF to firmware so that if there are any unprocessed events they
1569 * can be processed now.
1570 */
1571 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1572 aac_intr_normal(aac, 0, 2, 0, NULL);
1573
1574 }
1575
1576 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1577 {
1578 unsigned index = id->driver_data;
1579 struct Scsi_Host *shost;
1580 struct aac_dev *aac;
1581 struct list_head *insert = &aac_devices;
1582 int error;
1583 int unique_id = 0;
1584 u64 dmamask;
1585 int mask_bits = 0;
1586 extern int aac_sync_mode;
1587
1588 /*
1589 * Only series 7 needs freset.
1590 */
1591 if (pdev->device == PMC_DEVICE_S7)
1592 pdev->needs_freset = 1;
1593
1594 list_for_each_entry(aac, &aac_devices, entry) {
1595 if (aac->id > unique_id)
1596 break;
1597 insert = &aac->entry;
1598 unique_id++;
1599 }
1600
1601 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1602 PCIE_LINK_STATE_CLKPM);
1603
1604 error = pci_enable_device(pdev);
1605 if (error)
1606 goto out;
1607
1608 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1609 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
1610 if (error) {
1611 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1612 goto out_disable_pdev;
1613 }
1614 }
1615
1616 /*
1617 * If the quirk31 bit is set, the adapter needs adapter
1618 * to driver communication memory to be allocated below 2gig
1619 */
1620 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1621 dmamask = DMA_BIT_MASK(31);
1622 mask_bits = 31;
1623 } else {
1624 dmamask = DMA_BIT_MASK(32);
1625 mask_bits = 32;
1626 }
1627
1628 error = dma_set_coherent_mask(&pdev->dev, dmamask);
1629 if (error) {
1630 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1631 , mask_bits);
1632 goto out_disable_pdev;
1633 }
1634
1635 pci_set_master(pdev);
1636
1637 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1638 if (!shost) {
1639 error = -ENOMEM;
1640 goto out_disable_pdev;
1641 }
1642
1643 shost->irq = pdev->irq;
1644 shost->unique_id = unique_id;
1645 shost->max_cmd_len = 16;
1646
1647 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1648 aac_init_char();
1649
1650 aac = (struct aac_dev *)shost->hostdata;
1651 aac->base_start = pci_resource_start(pdev, 0);
1652 aac->scsi_host_ptr = shost;
1653 aac->pdev = pdev;
1654 aac->name = aac_driver_template.name;
1655 aac->id = shost->unique_id;
1656 aac->cardtype = index;
1657 INIT_LIST_HEAD(&aac->entry);
1658
1659 if (aac_reset_devices || reset_devices)
1660 aac->init_reset = true;
1661
1662 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1663 sizeof(struct fib),
1664 GFP_KERNEL);
1665 if (!aac->fibs) {
1666 error = -ENOMEM;
1667 goto out_free_host;
1668 }
1669
1670 spin_lock_init(&aac->fib_lock);
1671
1672 mutex_init(&aac->ioctl_mutex);
1673 mutex_init(&aac->scan_mutex);
1674
1675 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1676 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1677 aac_src_reinit_aif_worker);
1678 /*
1679 * Map in the registers from the adapter.
1680 */
1681 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1682 if ((*aac_drivers[index].init)(aac)) {
1683 error = -ENODEV;
1684 goto out_unmap;
1685 }
1686
1687 if (aac->sync_mode) {
1688 if (aac_sync_mode)
1689 printk(KERN_INFO "%s%d: Sync. mode enforced "
1690 "by driver parameter. This will cause "
1691 "a significant performance decrease!\n",
1692 aac->name,
1693 aac->id);
1694 else
1695 printk(KERN_INFO "%s%d: Async. mode not supported "
1696 "by current driver, sync. mode enforced."
1697 "\nPlease update driver to get full performance.\n",
1698 aac->name,
1699 aac->id);
1700 }
1701
1702 /*
1703 * Start any kernel threads needed
1704 */
1705 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1706 if (IS_ERR(aac->thread)) {
1707 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1708 error = PTR_ERR(aac->thread);
1709 aac->thread = NULL;
1710 goto out_deinit;
1711 }
1712
1713 aac->maximum_num_channels = aac_drivers[index].channels;
1714 error = aac_get_adapter_info(aac);
1715 if (error < 0)
1716 goto out_deinit;
1717
1718 /*
1719 * Lets override negotiations and drop the maximum SG limit to 34
1720 */
1721 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1722 (shost->sg_tablesize > 34)) {
1723 shost->sg_tablesize = 34;
1724 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1725 }
1726
1727 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1728 (shost->sg_tablesize > 17)) {
1729 shost->sg_tablesize = 17;
1730 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1731 }
1732
1733 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1734 shost->max_segment_size = shost->max_sectors << 9;
1735 else
1736 shost->max_segment_size = 65536;
1737
1738 /*
1739 * Firmware printf works only with older firmware.
1740 */
1741 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1742 aac->printf_enabled = 1;
1743 else
1744 aac->printf_enabled = 0;
1745
1746 /*
1747 * max channel will be the physical channels plus 1 virtual channel
1748 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1749 * physical channels are address by their actual physical number+1
1750 */
1751 if (aac->nondasd_support || expose_physicals || aac->jbod)
1752 shost->max_channel = aac->maximum_num_channels;
1753 else
1754 shost->max_channel = 0;
1755
1756 aac_get_config_status(aac, 0);
1757 aac_get_containers(aac);
1758 list_add(&aac->entry, insert);
1759
1760 shost->max_id = aac->maximum_num_containers;
1761 if (shost->max_id < aac->maximum_num_physicals)
1762 shost->max_id = aac->maximum_num_physicals;
1763 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1764 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1765 else
1766 shost->this_id = shost->max_id;
1767
1768 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1769 aac_intr_normal(aac, 0, 2, 0, NULL);
1770
1771 /*
1772 * dmb - we may need to move the setting of these parms somewhere else once
1773 * we get a fib that can report the actual numbers
1774 */
1775 shost->max_lun = AAC_MAX_LUN;
1776
1777 pci_set_drvdata(pdev, shost);
1778
1779 error = scsi_add_host(shost, &pdev->dev);
1780 if (error)
1781 goto out_deinit;
1782
1783 aac_scan_host(aac);
1784
1785 pci_save_state(pdev);
1786
1787 return 0;
1788
1789 out_deinit:
1790 __aac_shutdown(aac);
1791 out_unmap:
1792 aac_fib_map_free(aac);
1793 if (aac->comm_addr)
1794 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1795 aac->comm_addr, aac->comm_phys);
1796 kfree(aac->queues);
1797 aac_adapter_ioremap(aac, 0);
1798 kfree(aac->fibs);
1799 kfree(aac->fsa_dev);
1800 out_free_host:
1801 scsi_host_put(shost);
1802 out_disable_pdev:
1803 pci_disable_device(pdev);
1804 out:
1805 return error;
1806 }
1807
1808 static void aac_release_resources(struct aac_dev *aac)
1809 {
1810 aac_adapter_disable_int(aac);
1811 aac_free_irq(aac);
1812 }
1813
1814 static int aac_acquire_resources(struct aac_dev *dev)
1815 {
1816 unsigned long status;
1817 /*
1818 * First clear out all interrupts. Then enable the one's that we
1819 * can handle.
1820 */
1821 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1822 || status == 0xffffffff)
1823 msleep(20);
1824
1825 aac_adapter_disable_int(dev);
1826 aac_adapter_enable_int(dev);
1827
1828
1829 if (aac_is_src(dev))
1830 aac_define_int_mode(dev);
1831
1832 if (dev->msi_enabled)
1833 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1834
1835 if (aac_acquire_irq(dev))
1836 goto error_iounmap;
1837
1838 aac_adapter_enable_int(dev);
1839
1840 /*max msix may change after EEH
1841 * Re-assign vectors to fibs
1842 */
1843 aac_fib_vector_assign(dev);
1844
1845 if (!dev->sync_mode) {
1846 /* After EEH recovery or suspend resume, max_msix count
1847 * may change, therefore updating in init as well.
1848 */
1849 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1850 aac_adapter_start(dev);
1851 }
1852 return 0;
1853
1854 error_iounmap:
1855 return -1;
1856
1857 }
1858
1859 static int __maybe_unused aac_suspend(struct device *dev)
1860 {
1861 struct Scsi_Host *shost = dev_get_drvdata(dev);
1862 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1863
1864 scsi_host_block(shost);
1865 aac_cancel_rescan_worker(aac);
1866 aac_send_shutdown(aac);
1867
1868 aac_release_resources(aac);
1869
1870 return 0;
1871 }
1872
1873 static int __maybe_unused aac_resume(struct device *dev)
1874 {
1875 struct Scsi_Host *shost = dev_get_drvdata(dev);
1876 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1877
1878 if (aac_acquire_resources(aac))
1879 goto fail_device;
1880 /*
1881 * reset this flag to unblock ioctl() as it was set at
1882 * aac_send_shutdown() to block ioctls from upperlayer
1883 */
1884 aac->adapter_shutdown = 0;
1885 scsi_host_unblock(shost, SDEV_RUNNING);
1886
1887 return 0;
1888
1889 fail_device:
1890 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1891 scsi_host_put(shost);
1892 return -ENODEV;
1893 }
1894
1895 static void aac_shutdown(struct pci_dev *dev)
1896 {
1897 struct Scsi_Host *shost = pci_get_drvdata(dev);
1898
1899 scsi_host_block(shost);
1900 __aac_shutdown((struct aac_dev *)shost->hostdata);
1901 }
1902
1903 static void aac_remove_one(struct pci_dev *pdev)
1904 {
1905 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1906 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1907
1908 aac_cancel_rescan_worker(aac);
1909 scsi_remove_host(shost);
1910
1911 __aac_shutdown(aac);
1912 aac_fib_map_free(aac);
1913 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1914 aac->comm_phys);
1915 kfree(aac->queues);
1916
1917 aac_adapter_ioremap(aac, 0);
1918
1919 kfree(aac->fibs);
1920 kfree(aac->fsa_dev);
1921
1922 list_del(&aac->entry);
1923 scsi_host_put(shost);
1924 pci_disable_device(pdev);
1925 if (list_empty(&aac_devices)) {
1926 unregister_chrdev(aac_cfg_major, "aac");
1927 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1928 }
1929 }
1930
1931 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1932 pci_channel_state_t error)
1933 {
1934 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1935 struct aac_dev *aac = shost_priv(shost);
1936
1937 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1938
1939 switch (error) {
1940 case pci_channel_io_normal:
1941 return PCI_ERS_RESULT_CAN_RECOVER;
1942 case pci_channel_io_frozen:
1943 aac->handle_pci_error = 1;
1944
1945 scsi_host_block(shost);
1946 aac_cancel_rescan_worker(aac);
1947 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1948 aac_release_resources(aac);
1949
1950 aac_adapter_ioremap(aac, 0);
1951
1952 return PCI_ERS_RESULT_NEED_RESET;
1953 case pci_channel_io_perm_failure:
1954 aac->handle_pci_error = 1;
1955
1956 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1957 return PCI_ERS_RESULT_DISCONNECT;
1958 }
1959
1960 return PCI_ERS_RESULT_NEED_RESET;
1961 }
1962
1963 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1964 {
1965 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1966 return PCI_ERS_RESULT_NEED_RESET;
1967 }
1968
1969 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1970 {
1971 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1972 pci_restore_state(pdev);
1973 if (pci_enable_device(pdev)) {
1974 dev_warn(&pdev->dev,
1975 "aacraid: failed to enable slave\n");
1976 goto fail_device;
1977 }
1978
1979 pci_set_master(pdev);
1980
1981 if (pci_enable_device_mem(pdev)) {
1982 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1983 goto fail_device;
1984 }
1985
1986 return PCI_ERS_RESULT_RECOVERED;
1987
1988 fail_device:
1989 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1990 return PCI_ERS_RESULT_DISCONNECT;
1991 }
1992
1993
1994 static void aac_pci_resume(struct pci_dev *pdev)
1995 {
1996 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1997 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1998
1999 if (aac_adapter_ioremap(aac, aac->base_size)) {
2000
2001 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2002 /* remap failed, go back ... */
2003 aac->comm_interface = AAC_COMM_PRODUCER;
2004 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2005 dev_warn(&pdev->dev,
2006 "aacraid: unable to map adapter.\n");
2007
2008 return;
2009 }
2010 }
2011
2012 msleep(10000);
2013
2014 aac_acquire_resources(aac);
2015
2016 /*
2017 * reset this flag to unblock ioctl() as it was set
2018 * at aac_send_shutdown() to block ioctls from upperlayer
2019 */
2020 aac->adapter_shutdown = 0;
2021 aac->handle_pci_error = 0;
2022
2023 scsi_host_unblock(shost, SDEV_RUNNING);
2024 aac_scan_host(aac);
2025 pci_save_state(pdev);
2026
2027 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2028 }
2029
2030 static struct pci_error_handlers aac_pci_err_handler = {
2031 .error_detected = aac_pci_error_detected,
2032 .mmio_enabled = aac_pci_mmio_enabled,
2033 .slot_reset = aac_pci_slot_reset,
2034 .resume = aac_pci_resume,
2035 };
2036
2037 static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
2038
2039 static struct pci_driver aac_pci_driver = {
2040 .name = AAC_DRIVERNAME,
2041 .id_table = aac_pci_tbl,
2042 .probe = aac_probe_one,
2043 .remove = aac_remove_one,
2044 .driver.pm = &aac_pm_ops,
2045 .shutdown = aac_shutdown,
2046 .err_handler = &aac_pci_err_handler,
2047 };
2048
2049 static int __init aac_init(void)
2050 {
2051 int error;
2052
2053 printk(KERN_INFO "Adaptec %s driver %s\n",
2054 AAC_DRIVERNAME, aac_driver_version);
2055
2056 error = pci_register_driver(&aac_pci_driver);
2057 if (error < 0)
2058 return error;
2059
2060 aac_init_char();
2061
2062
2063 return 0;
2064 }
2065
2066 static void __exit aac_exit(void)
2067 {
2068 if (aac_cfg_major > -1)
2069 unregister_chrdev(aac_cfg_major, "aac");
2070 pci_unregister_driver(&aac_pci_driver);
2071 }
2072
2073 module_init(aac_init);
2074 module_exit(aac_exit);
Kernel DRM miscellaneous fixes and cross-tree changes