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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / scsi / aacraid / linit.c
blobee6bc2f9b80ad8aa8cbbc7ab1ab2308fb6ed72ec
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
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 * @cmd: SCSI command to queue
233 * @done: Function to call on command completion
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 int r = 0;
244 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
245 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
246 return r;
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(0xaa55)) {
332 struct partition *first = (struct partition * )buf;
333 struct 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 } 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 device_attribute *aac_dev_attrs[] = {
607 &aac_raid_level_attr,
608 &aac_unique_id_attr,
609 NULL,
610 };
611
612 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
613 void __user *arg)
614 {
615 int retval;
616 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
617 if (!capable(CAP_SYS_RAWIO))
618 return -EPERM;
619 retval = aac_adapter_check_health(dev);
620 if (retval)
621 return -EBUSY;
622 return aac_do_ioctl(dev, cmd, arg);
623 }
624
625 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
626 {
627
628 unsigned long flags;
629 struct scsi_device *sdev = NULL;
630 struct Scsi_Host *shost = aac->scsi_host_ptr;
631 struct scsi_cmnd *scmnd = NULL;
632 struct device *ctrl_dev;
633
634 int mlcnt = 0;
635 int llcnt = 0;
636 int ehcnt = 0;
637 int fwcnt = 0;
638 int krlcnt = 0;
639
640 __shost_for_each_device(sdev, shost) {
641 spin_lock_irqsave(&sdev->list_lock, flags);
642 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
643 switch (scmnd->SCp.phase) {
644 case AAC_OWNER_FIRMWARE:
645 fwcnt++;
646 break;
647 case AAC_OWNER_ERROR_HANDLER:
648 ehcnt++;
649 break;
650 case AAC_OWNER_LOWLEVEL:
651 llcnt++;
652 break;
653 case AAC_OWNER_MIDLEVEL:
654 mlcnt++;
655 break;
656 default:
657 krlcnt++;
658 break;
659 }
660 }
661 spin_unlock_irqrestore(&sdev->list_lock, flags);
662 }
663
664 ctrl_dev = &aac->pdev->dev;
665
666 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
667 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
668 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
669 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
670 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
671
672 return mlcnt + llcnt + ehcnt + fwcnt;
673 }
674
675 static int aac_eh_abort(struct scsi_cmnd* cmd)
676 {
677 struct scsi_device * dev = cmd->device;
678 struct Scsi_Host * host = dev->host;
679 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
680 int count, found;
681 u32 bus, cid;
682 int ret = FAILED;
683
684 if (aac_adapter_check_health(aac))
685 return ret;
686
687 bus = aac_logical_to_phys(scmd_channel(cmd));
688 cid = scmd_id(cmd);
689 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
690 struct fib *fib;
691 struct aac_hba_tm_req *tmf;
692 int status;
693 u64 address;
694
695 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
696 AAC_DRIVERNAME,
697 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
698
699 found = 0;
700 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
701 fib = &aac->fibs[count];
702 if (*(u8 *)fib->hw_fib_va != 0 &&
703 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
704 (fib->callback_data == cmd)) {
705 found = 1;
706 break;
707 }
708 }
709 if (!found)
710 return ret;
711
712 /* start a HBA_TMF_ABORT_TASK TMF request */
713 fib = aac_fib_alloc(aac);
714 if (!fib)
715 return ret;
716
717 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
718 memset(tmf, 0, sizeof(*tmf));
719 tmf->tmf = HBA_TMF_ABORT_TASK;
720 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
721 tmf->lun[1] = cmd->device->lun;
722
723 address = (u64)fib->hw_error_pa;
724 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
725 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
726 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
727
728 fib->hbacmd_size = sizeof(*tmf);
729 cmd->SCp.sent_command = 0;
730
731 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
732 (fib_callback) aac_hba_callback,
733 (void *) cmd);
734
735 /* Wait up to 15 secs for completion */
736 for (count = 0; count < 15; ++count) {
737 if (cmd->SCp.sent_command) {
738 ret = SUCCESS;
739 break;
740 }
741 msleep(1000);
742 }
743
744 if (ret != SUCCESS)
745 pr_err("%s: Host adapter abort request timed out\n",
746 AAC_DRIVERNAME);
747 } else {
748 pr_err(
749 "%s: Host adapter abort request.\n"
750 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
751 AAC_DRIVERNAME, AAC_DRIVERNAME,
752 host->host_no, sdev_channel(dev), sdev_id(dev),
753 (int)dev->lun);
754 switch (cmd->cmnd[0]) {
755 case SERVICE_ACTION_IN_16:
756 if (!(aac->raw_io_interface) ||
757 !(aac->raw_io_64) ||
758 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
759 break;
760 /* fall through */
761 case INQUIRY:
762 case READ_CAPACITY:
763 /*
764 * Mark associated FIB to not complete,
765 * eh handler does this
766 */
767 for (count = 0;
768 count < (host->can_queue + AAC_NUM_MGT_FIB);
769 ++count) {
770 struct fib *fib = &aac->fibs[count];
771
772 if (fib->hw_fib_va->header.XferState &&
773 (fib->flags & FIB_CONTEXT_FLAG) &&
774 (fib->callback_data == cmd)) {
775 fib->flags |=
776 FIB_CONTEXT_FLAG_TIMED_OUT;
777 cmd->SCp.phase =
778 AAC_OWNER_ERROR_HANDLER;
779 ret = SUCCESS;
780 }
781 }
782 break;
783 case TEST_UNIT_READY:
784 /*
785 * Mark associated FIB to not complete,
786 * eh handler does this
787 */
788 for (count = 0;
789 count < (host->can_queue + AAC_NUM_MGT_FIB);
790 ++count) {
791 struct scsi_cmnd *command;
792 struct fib *fib = &aac->fibs[count];
793
794 command = fib->callback_data;
795
796 if ((fib->hw_fib_va->header.XferState &
797 cpu_to_le32
798 (Async | NoResponseExpected)) &&
799 (fib->flags & FIB_CONTEXT_FLAG) &&
800 ((command)) &&
801 (command->device == cmd->device)) {
802 fib->flags |=
803 FIB_CONTEXT_FLAG_TIMED_OUT;
804 command->SCp.phase =
805 AAC_OWNER_ERROR_HANDLER;
806 if (command == cmd)
807 ret = SUCCESS;
808 }
809 }
810 break;
811 }
812 }
813 return ret;
814 }
815
816 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
817 struct fib *fib, u64 tmf_lun)
818 {
819 struct aac_hba_tm_req *tmf;
820 u64 address;
821
822 /* start a HBA_TMF_LUN_RESET TMF request */
823 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
824 memset(tmf, 0, sizeof(*tmf));
825 tmf->tmf = HBA_TMF_LUN_RESET;
826 tmf->it_nexus = info->rmw_nexus;
827 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
828
829 address = (u64)fib->hw_error_pa;
830 tmf->error_ptr_hi = cpu_to_le32
831 ((u32)(address >> 32));
832 tmf->error_ptr_lo = cpu_to_le32
833 ((u32)(address & 0xffffffff));
834 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
835 fib->hbacmd_size = sizeof(*tmf);
836
837 return HBA_IU_TYPE_SCSI_TM_REQ;
838 }
839
840 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
841 struct fib *fib)
842 {
843 struct aac_hba_reset_req *rst;
844 u64 address;
845
846 /* already tried, start a hard reset now */
847 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
848 memset(rst, 0, sizeof(*rst));
849 rst->it_nexus = info->rmw_nexus;
850
851 address = (u64)fib->hw_error_pa;
852 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
853 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
854 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
855 fib->hbacmd_size = sizeof(*rst);
856
857 return HBA_IU_TYPE_SATA_REQ;
858 }
859
860 void aac_tmf_callback(void *context, struct fib *fibptr)
861 {
862 struct aac_hba_resp *err =
863 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
864 struct aac_hba_map_info *info = context;
865 int res;
866
867 switch (err->service_response) {
868 case HBA_RESP_SVCRES_TMF_REJECTED:
869 res = -1;
870 break;
871 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
872 res = 0;
873 break;
874 case HBA_RESP_SVCRES_TMF_COMPLETE:
875 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
876 res = 0;
877 break;
878 default:
879 res = -2;
880 break;
881 }
882 aac_fib_complete(fibptr);
883
884 info->reset_state = res;
885 }
886
887 /*
888 * aac_eh_dev_reset - Device reset command handling
889 * @scsi_cmd: SCSI command block causing the reset
890 *
891 */
892 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
893 {
894 struct scsi_device * dev = cmd->device;
895 struct Scsi_Host * host = dev->host;
896 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
897 struct aac_hba_map_info *info;
898 int count;
899 u32 bus, cid;
900 struct fib *fib;
901 int ret = FAILED;
902 int status;
903 u8 command;
904
905 bus = aac_logical_to_phys(scmd_channel(cmd));
906 cid = scmd_id(cmd);
907
908 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
909 return FAILED;
910
911 info = &aac->hba_map[bus][cid];
912
913 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
914 info->reset_state > 0)
915 return FAILED;
916
917 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
918 AAC_DRIVERNAME);
919
920 fib = aac_fib_alloc(aac);
921 if (!fib)
922 return ret;
923
924 /* start a HBA_TMF_LUN_RESET TMF request */
925 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
926
927 info->reset_state = 1;
928
929 status = aac_hba_send(command, fib,
930 (fib_callback) aac_tmf_callback,
931 (void *) info);
932
933 /* Wait up to 15 seconds for completion */
934 for (count = 0; count < 15; ++count) {
935 if (info->reset_state == 0) {
936 ret = info->reset_state == 0 ? SUCCESS : FAILED;
937 break;
938 }
939 msleep(1000);
940 }
941
942 return ret;
943 }
944
945 /*
946 * aac_eh_target_reset - Target reset command handling
947 * @scsi_cmd: SCSI command block causing the reset
948 *
949 */
950 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
951 {
952 struct scsi_device * dev = cmd->device;
953 struct Scsi_Host * host = dev->host;
954 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
955 struct aac_hba_map_info *info;
956 int count;
957 u32 bus, cid;
958 int ret = FAILED;
959 struct fib *fib;
960 int status;
961 u8 command;
962
963 bus = aac_logical_to_phys(scmd_channel(cmd));
964 cid = scmd_id(cmd);
965
966 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
967 return FAILED;
968
969 info = &aac->hba_map[bus][cid];
970
971 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
972 info->reset_state > 0)
973 return FAILED;
974
975 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
976 AAC_DRIVERNAME);
977
978 fib = aac_fib_alloc(aac);
979 if (!fib)
980 return ret;
981
982
983 /* already tried, start a hard reset now */
984 command = aac_eh_tmf_hard_reset_fib(info, fib);
985
986 info->reset_state = 2;
987
988 status = aac_hba_send(command, fib,
989 (fib_callback) aac_tmf_callback,
990 (void *) info);
991
992 /* Wait up to 15 seconds for completion */
993 for (count = 0; count < 15; ++count) {
994 if (info->reset_state <= 0) {
995 ret = info->reset_state == 0 ? SUCCESS : FAILED;
996 break;
997 }
998 msleep(1000);
999 }
1000
1001 return ret;
1002 }
1003
1004 /*
1005 * aac_eh_bus_reset - Bus reset command handling
1006 * @scsi_cmd: SCSI command block causing the reset
1007 *
1008 */
1009 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1010 {
1011 struct scsi_device * dev = cmd->device;
1012 struct Scsi_Host * host = dev->host;
1013 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1014 int count;
1015 u32 cmd_bus;
1016 int status = 0;
1017
1018
1019 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1020 /* Mark the assoc. FIB to not complete, eh handler does this */
1021 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1022 struct fib *fib = &aac->fibs[count];
1023
1024 if (fib->hw_fib_va->header.XferState &&
1025 (fib->flags & FIB_CONTEXT_FLAG) &&
1026 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1027 struct aac_hba_map_info *info;
1028 u32 bus, cid;
1029
1030 cmd = (struct scsi_cmnd *)fib->callback_data;
1031 bus = aac_logical_to_phys(scmd_channel(cmd));
1032 if (bus != cmd_bus)
1033 continue;
1034 cid = scmd_id(cmd);
1035 info = &aac->hba_map[bus][cid];
1036 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1037 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1038 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1039 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1040 }
1041 }
1042 }
1043
1044 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1045
1046 /*
1047 * Check the health of the controller
1048 */
1049 status = aac_adapter_check_health(aac);
1050 if (status)
1051 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1052
1053 count = get_num_of_incomplete_fibs(aac);
1054 return (count == 0) ? SUCCESS : FAILED;
1055 }
1056
1057 /*
1058 * aac_eh_host_reset - Host reset command handling
1059 * @scsi_cmd: SCSI command block causing the reset
1060 *
1061 */
1062 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1063 {
1064 struct scsi_device * dev = cmd->device;
1065 struct Scsi_Host * host = dev->host;
1066 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1067 int ret = FAILED;
1068 __le32 supported_options2 = 0;
1069 bool is_mu_reset;
1070 bool is_ignore_reset;
1071 bool is_doorbell_reset;
1072
1073 /*
1074 * Check if reset is supported by the firmware
1075 */
1076 supported_options2 = aac->supplement_adapter_info.supported_options2;
1077 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1078 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1079 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1080 /*
1081 * This adapter needs a blind reset, only do so for
1082 * Adapters that support a register, instead of a commanded,
1083 * reset.
1084 */
1085 if ((is_mu_reset || is_doorbell_reset)
1086 && aac_check_reset
1087 && (aac_check_reset != -1 || !is_ignore_reset)) {
1088 /* Bypass wait for command quiesce */
1089 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1090 ret = SUCCESS;
1091 }
1092 /*
1093 * Reset EH state
1094 */
1095 if (ret == SUCCESS) {
1096 int bus, cid;
1097 struct aac_hba_map_info *info;
1098
1099 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1100 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1101 info = &aac->hba_map[bus][cid];
1102 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1103 info->reset_state = 0;
1104 }
1105 }
1106 }
1107 return ret;
1108 }
1109
1110 /**
1111 * aac_cfg_open - open a configuration file
1112 * @inode: inode being opened
1113 * @file: file handle attached
1114 *
1115 * Called when the configuration device is opened. Does the needed
1116 * set up on the handle and then returns
1117 *
1118 * Bugs: This needs extending to check a given adapter is present
1119 * so we can support hot plugging, and to ref count adapters.
1120 */
1121
1122 static int aac_cfg_open(struct inode *inode, struct file *file)
1123 {
1124 struct aac_dev *aac;
1125 unsigned minor_number = iminor(inode);
1126 int err = -ENODEV;
1127
1128 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1129 list_for_each_entry(aac, &aac_devices, entry) {
1130 if (aac->id == minor_number) {
1131 file->private_data = aac;
1132 err = 0;
1133 break;
1134 }
1135 }
1136 mutex_unlock(&aac_mutex);
1137
1138 return err;
1139 }
1140
1141 /**
1142 * aac_cfg_ioctl - AAC configuration request
1143 * @inode: inode of device
1144 * @file: file handle
1145 * @cmd: ioctl command code
1146 * @arg: argument
1147 *
1148 * Handles a configuration ioctl. Currently this involves wrapping it
1149 * up and feeding it into the nasty windowsalike glue layer.
1150 *
1151 * Bugs: Needs locking against parallel ioctls lower down
1152 * Bugs: Needs to handle hot plugging
1153 */
1154
1155 static long aac_cfg_ioctl(struct file *file,
1156 unsigned int cmd, unsigned long arg)
1157 {
1158 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1159
1160 if (!capable(CAP_SYS_RAWIO))
1161 return -EPERM;
1162
1163 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1164 }
1165
1166 #ifdef CONFIG_COMPAT
1167 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1168 {
1169 long ret;
1170 switch (cmd) {
1171 case FSACTL_MINIPORT_REV_CHECK:
1172 case FSACTL_SENDFIB:
1173 case FSACTL_OPEN_GET_ADAPTER_FIB:
1174 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1175 case FSACTL_SEND_RAW_SRB:
1176 case FSACTL_GET_PCI_INFO:
1177 case FSACTL_QUERY_DISK:
1178 case FSACTL_DELETE_DISK:
1179 case FSACTL_FORCE_DELETE_DISK:
1180 case FSACTL_GET_CONTAINERS:
1181 case FSACTL_SEND_LARGE_FIB:
1182 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1183 break;
1184
1185 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1186 struct fib_ioctl __user *f;
1187
1188 f = compat_alloc_user_space(sizeof(*f));
1189 ret = 0;
1190 if (clear_user(f, sizeof(*f)))
1191 ret = -EFAULT;
1192 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1193 ret = -EFAULT;
1194 if (!ret)
1195 ret = aac_do_ioctl(dev, cmd, f);
1196 break;
1197 }
1198
1199 default:
1200 ret = -ENOIOCTLCMD;
1201 break;
1202 }
1203 return ret;
1204 }
1205
1206 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1207 void __user *arg)
1208 {
1209 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1210 if (!capable(CAP_SYS_RAWIO))
1211 return -EPERM;
1212 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1213 }
1214
1215 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1216 {
1217 if (!capable(CAP_SYS_RAWIO))
1218 return -EPERM;
1219 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1220 }
1221 #endif
1222
1223 static ssize_t aac_show_model(struct device *device,
1224 struct device_attribute *attr, char *buf)
1225 {
1226 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1227 int len;
1228
1229 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1230 char *cp = dev->supplement_adapter_info.adapter_type_text;
1231 while (*cp && *cp != ' ')
1232 ++cp;
1233 while (*cp == ' ')
1234 ++cp;
1235 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1236 } else
1237 len = snprintf(buf, PAGE_SIZE, "%s\n",
1238 aac_drivers[dev->cardtype].model);
1239 return len;
1240 }
1241
1242 static ssize_t aac_show_vendor(struct device *device,
1243 struct device_attribute *attr, char *buf)
1244 {
1245 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1246 struct aac_supplement_adapter_info *sup_adap_info;
1247 int len;
1248
1249 sup_adap_info = &dev->supplement_adapter_info;
1250 if (sup_adap_info->adapter_type_text[0]) {
1251 char *cp = sup_adap_info->adapter_type_text;
1252 while (*cp && *cp != ' ')
1253 ++cp;
1254 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1255 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1256 sup_adap_info->adapter_type_text);
1257 } else
1258 len = snprintf(buf, PAGE_SIZE, "%s\n",
1259 aac_drivers[dev->cardtype].vname);
1260 return len;
1261 }
1262
1263 static ssize_t aac_show_flags(struct device *cdev,
1264 struct device_attribute *attr, char *buf)
1265 {
1266 int len = 0;
1267 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1268
1269 if (nblank(dprintk(x)))
1270 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1271 #ifdef AAC_DETAILED_STATUS_INFO
1272 len += snprintf(buf + len, PAGE_SIZE - len,
1273 "AAC_DETAILED_STATUS_INFO\n");
1274 #endif
1275 if (dev->raw_io_interface && dev->raw_io_64)
1276 len += snprintf(buf + len, PAGE_SIZE - len,
1277 "SAI_READ_CAPACITY_16\n");
1278 if (dev->jbod)
1279 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1280 if (dev->supplement_adapter_info.supported_options2 &
1281 AAC_OPTION_POWER_MANAGEMENT)
1282 len += snprintf(buf + len, PAGE_SIZE - len,
1283 "SUPPORTED_POWER_MANAGEMENT\n");
1284 if (dev->msi)
1285 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1286 return len;
1287 }
1288
1289 static ssize_t aac_show_kernel_version(struct device *device,
1290 struct device_attribute *attr,
1291 char *buf)
1292 {
1293 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1294 int len, tmp;
1295
1296 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1297 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1298 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1299 le32_to_cpu(dev->adapter_info.kernelbuild));
1300 return len;
1301 }
1302
1303 static ssize_t aac_show_monitor_version(struct device *device,
1304 struct device_attribute *attr,
1305 char *buf)
1306 {
1307 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1308 int len, tmp;
1309
1310 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1311 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1312 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1313 le32_to_cpu(dev->adapter_info.monitorbuild));
1314 return len;
1315 }
1316
1317 static ssize_t aac_show_bios_version(struct device *device,
1318 struct device_attribute *attr,
1319 char *buf)
1320 {
1321 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1322 int len, tmp;
1323
1324 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1325 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1326 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1327 le32_to_cpu(dev->adapter_info.biosbuild));
1328 return len;
1329 }
1330
1331 static ssize_t aac_show_driver_version(struct device *device,
1332 struct device_attribute *attr,
1333 char *buf)
1334 {
1335 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1336 }
1337
1338 static ssize_t aac_show_serial_number(struct device *device,
1339 struct device_attribute *attr, char *buf)
1340 {
1341 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1342 int len = 0;
1343
1344 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1345 len = snprintf(buf, 16, "%06X\n",
1346 le32_to_cpu(dev->adapter_info.serial[0]));
1347 if (len &&
1348 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1349 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1350 buf, len-1))
1351 len = snprintf(buf, 16, "%.*s\n",
1352 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1353 dev->supplement_adapter_info.mfg_pcba_serial_no);
1354
1355 return min(len, 16);
1356 }
1357
1358 static ssize_t aac_show_max_channel(struct device *device,
1359 struct device_attribute *attr, char *buf)
1360 {
1361 return snprintf(buf, PAGE_SIZE, "%d\n",
1362 class_to_shost(device)->max_channel);
1363 }
1364
1365 static ssize_t aac_show_max_id(struct device *device,
1366 struct device_attribute *attr, char *buf)
1367 {
1368 return snprintf(buf, PAGE_SIZE, "%d\n",
1369 class_to_shost(device)->max_id);
1370 }
1371
1372 static ssize_t aac_store_reset_adapter(struct device *device,
1373 struct device_attribute *attr,
1374 const char *buf, size_t count)
1375 {
1376 int retval = -EACCES;
1377
1378 if (!capable(CAP_SYS_ADMIN))
1379 return retval;
1380
1381 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1382 buf[0] == '!', IOP_HWSOFT_RESET);
1383 if (retval >= 0)
1384 retval = count;
1385
1386 return retval;
1387 }
1388
1389 static ssize_t aac_show_reset_adapter(struct device *device,
1390 struct device_attribute *attr,
1391 char *buf)
1392 {
1393 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1394 int len, tmp;
1395
1396 tmp = aac_adapter_check_health(dev);
1397 if ((tmp == 0) && dev->in_reset)
1398 tmp = -EBUSY;
1399 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1400 return len;
1401 }
1402
1403 static struct device_attribute aac_model = {
1404 .attr = {
1405 .name = "model",
1406 .mode = S_IRUGO,
1407 },
1408 .show = aac_show_model,
1409 };
1410 static struct device_attribute aac_vendor = {
1411 .attr = {
1412 .name = "vendor",
1413 .mode = S_IRUGO,
1414 },
1415 .show = aac_show_vendor,
1416 };
1417 static struct device_attribute aac_flags = {
1418 .attr = {
1419 .name = "flags",
1420 .mode = S_IRUGO,
1421 },
1422 .show = aac_show_flags,
1423 };
1424 static struct device_attribute aac_kernel_version = {
1425 .attr = {
1426 .name = "hba_kernel_version",
1427 .mode = S_IRUGO,
1428 },
1429 .show = aac_show_kernel_version,
1430 };
1431 static struct device_attribute aac_monitor_version = {
1432 .attr = {
1433 .name = "hba_monitor_version",
1434 .mode = S_IRUGO,
1435 },
1436 .show = aac_show_monitor_version,
1437 };
1438 static struct device_attribute aac_bios_version = {
1439 .attr = {
1440 .name = "hba_bios_version",
1441 .mode = S_IRUGO,
1442 },
1443 .show = aac_show_bios_version,
1444 };
1445 static struct device_attribute aac_lld_version = {
1446 .attr = {
1447 .name = "driver_version",
1448 .mode = 0444,
1449 },
1450 .show = aac_show_driver_version,
1451 };
1452 static struct device_attribute aac_serial_number = {
1453 .attr = {
1454 .name = "serial_number",
1455 .mode = S_IRUGO,
1456 },
1457 .show = aac_show_serial_number,
1458 };
1459 static struct device_attribute aac_max_channel = {
1460 .attr = {
1461 .name = "max_channel",
1462 .mode = S_IRUGO,
1463 },
1464 .show = aac_show_max_channel,
1465 };
1466 static struct device_attribute aac_max_id = {
1467 .attr = {
1468 .name = "max_id",
1469 .mode = S_IRUGO,
1470 },
1471 .show = aac_show_max_id,
1472 };
1473 static struct device_attribute aac_reset = {
1474 .attr = {
1475 .name = "reset_host",
1476 .mode = S_IWUSR|S_IRUGO,
1477 },
1478 .store = aac_store_reset_adapter,
1479 .show = aac_show_reset_adapter,
1480 };
1481
1482 static struct device_attribute *aac_attrs[] = {
1483 &aac_model,
1484 &aac_vendor,
1485 &aac_flags,
1486 &aac_kernel_version,
1487 &aac_monitor_version,
1488 &aac_bios_version,
1489 &aac_lld_version,
1490 &aac_serial_number,
1491 &aac_max_channel,
1492 &aac_max_id,
1493 &aac_reset,
1494 NULL
1495 };
1496
1497 ssize_t aac_get_serial_number(struct device *device, char *buf)
1498 {
1499 return aac_show_serial_number(device, &aac_serial_number, buf);
1500 }
1501
1502 static const struct file_operations aac_cfg_fops = {
1503 .owner = THIS_MODULE,
1504 .unlocked_ioctl = aac_cfg_ioctl,
1505 #ifdef CONFIG_COMPAT
1506 .compat_ioctl = aac_compat_cfg_ioctl,
1507 #endif
1508 .open = aac_cfg_open,
1509 .llseek = noop_llseek,
1510 };
1511
1512 static struct scsi_host_template aac_driver_template = {
1513 .module = THIS_MODULE,
1514 .name = "AAC",
1515 .proc_name = AAC_DRIVERNAME,
1516 .info = aac_info,
1517 .ioctl = aac_ioctl,
1518 #ifdef CONFIG_COMPAT
1519 .compat_ioctl = aac_compat_ioctl,
1520 #endif
1521 .queuecommand = aac_queuecommand,
1522 .bios_param = aac_biosparm,
1523 .shost_attrs = aac_attrs,
1524 .slave_configure = aac_slave_configure,
1525 .change_queue_depth = aac_change_queue_depth,
1526 .sdev_attrs = aac_dev_attrs,
1527 .eh_abort_handler = aac_eh_abort,
1528 .eh_device_reset_handler = aac_eh_dev_reset,
1529 .eh_target_reset_handler = aac_eh_target_reset,
1530 .eh_bus_reset_handler = aac_eh_bus_reset,
1531 .eh_host_reset_handler = aac_eh_host_reset,
1532 .can_queue = AAC_NUM_IO_FIB,
1533 .this_id = MAXIMUM_NUM_CONTAINERS,
1534 .sg_tablesize = 16,
1535 .max_sectors = 128,
1536 #if (AAC_NUM_IO_FIB > 256)
1537 .cmd_per_lun = 256,
1538 #else
1539 .cmd_per_lun = AAC_NUM_IO_FIB,
1540 #endif
1541 .emulated = 1,
1542 .no_write_same = 1,
1543 };
1544
1545 static void __aac_shutdown(struct aac_dev * aac)
1546 {
1547 int i;
1548
1549 mutex_lock(&aac->ioctl_mutex);
1550 aac->adapter_shutdown = 1;
1551 mutex_unlock(&aac->ioctl_mutex);
1552
1553 if (aac->aif_thread) {
1554 int i;
1555 /* Clear out events first */
1556 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1557 struct fib *fib = &aac->fibs[i];
1558 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1559 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1560 complete(&fib->event_wait);
1561 }
1562 kthread_stop(aac->thread);
1563 aac->thread = NULL;
1564 }
1565
1566 aac_send_shutdown(aac);
1567
1568 aac_adapter_disable_int(aac);
1569
1570 if (aac_is_src(aac)) {
1571 if (aac->max_msix > 1) {
1572 for (i = 0; i < aac->max_msix; i++) {
1573 free_irq(pci_irq_vector(aac->pdev, i),
1574 &(aac->aac_msix[i]));
1575 }
1576 } else {
1577 free_irq(aac->pdev->irq,
1578 &(aac->aac_msix[0]));
1579 }
1580 } else {
1581 free_irq(aac->pdev->irq, aac);
1582 }
1583 if (aac->msi)
1584 pci_disable_msi(aac->pdev);
1585 else if (aac->max_msix > 1)
1586 pci_disable_msix(aac->pdev);
1587 }
1588 static void aac_init_char(void)
1589 {
1590 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1591 if (aac_cfg_major < 0) {
1592 pr_err("aacraid: unable to register \"aac\" device.\n");
1593 }
1594 }
1595
1596 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1597 {
1598 /*
1599 * Firmware may send a AIF messages very early and the Driver may have
1600 * ignored as it is not fully ready to process the messages. Send
1601 * AIF to firmware so that if there are any unprocessed events they
1602 * can be processed now.
1603 */
1604 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1605 aac_intr_normal(aac, 0, 2, 0, NULL);
1606
1607 }
1608
1609 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1610 {
1611 unsigned index = id->driver_data;
1612 struct Scsi_Host *shost;
1613 struct aac_dev *aac;
1614 struct list_head *insert = &aac_devices;
1615 int error = -ENODEV;
1616 int unique_id = 0;
1617 u64 dmamask;
1618 int mask_bits = 0;
1619 extern int aac_sync_mode;
1620
1621 /*
1622 * Only series 7 needs freset.
1623 */
1624 if (pdev->device == PMC_DEVICE_S7)
1625 pdev->needs_freset = 1;
1626
1627 list_for_each_entry(aac, &aac_devices, entry) {
1628 if (aac->id > unique_id)
1629 break;
1630 insert = &aac->entry;
1631 unique_id++;
1632 }
1633
1634 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1635 PCIE_LINK_STATE_CLKPM);
1636
1637 error = pci_enable_device(pdev);
1638 if (error)
1639 goto out;
1640 error = -ENODEV;
1641
1642 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1643 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1644 if (error) {
1645 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1646 goto out_disable_pdev;
1647 }
1648 }
1649
1650 /*
1651 * If the quirk31 bit is set, the adapter needs adapter
1652 * to driver communication memory to be allocated below 2gig
1653 */
1654 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1655 dmamask = DMA_BIT_MASK(31);
1656 mask_bits = 31;
1657 } else {
1658 dmamask = DMA_BIT_MASK(32);
1659 mask_bits = 32;
1660 }
1661
1662 error = pci_set_consistent_dma_mask(pdev, dmamask);
1663 if (error) {
1664 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1665 , mask_bits);
1666 goto out_disable_pdev;
1667 }
1668
1669 pci_set_master(pdev);
1670
1671 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1672 if (!shost)
1673 goto out_disable_pdev;
1674
1675 shost->irq = pdev->irq;
1676 shost->unique_id = unique_id;
1677 shost->max_cmd_len = 16;
1678 shost->use_cmd_list = 1;
1679
1680 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1681 aac_init_char();
1682
1683 aac = (struct aac_dev *)shost->hostdata;
1684 aac->base_start = pci_resource_start(pdev, 0);
1685 aac->scsi_host_ptr = shost;
1686 aac->pdev = pdev;
1687 aac->name = aac_driver_template.name;
1688 aac->id = shost->unique_id;
1689 aac->cardtype = index;
1690 INIT_LIST_HEAD(&aac->entry);
1691
1692 if (aac_reset_devices || reset_devices)
1693 aac->init_reset = true;
1694
1695 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1696 sizeof(struct fib),
1697 GFP_KERNEL);
1698 if (!aac->fibs)
1699 goto out_free_host;
1700 spin_lock_init(&aac->fib_lock);
1701
1702 mutex_init(&aac->ioctl_mutex);
1703 mutex_init(&aac->scan_mutex);
1704
1705 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1706 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1707 aac_src_reinit_aif_worker);
1708 /*
1709 * Map in the registers from the adapter.
1710 */
1711 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1712 if ((*aac_drivers[index].init)(aac)) {
1713 error = -ENODEV;
1714 goto out_unmap;
1715 }
1716
1717 if (aac->sync_mode) {
1718 if (aac_sync_mode)
1719 printk(KERN_INFO "%s%d: Sync. mode enforced "
1720 "by driver parameter. This will cause "
1721 "a significant performance decrease!\n",
1722 aac->name,
1723 aac->id);
1724 else
1725 printk(KERN_INFO "%s%d: Async. mode not supported "
1726 "by current driver, sync. mode enforced."
1727 "\nPlease update driver to get full performance.\n",
1728 aac->name,
1729 aac->id);
1730 }
1731
1732 /*
1733 * Start any kernel threads needed
1734 */
1735 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1736 if (IS_ERR(aac->thread)) {
1737 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1738 error = PTR_ERR(aac->thread);
1739 aac->thread = NULL;
1740 goto out_deinit;
1741 }
1742
1743 aac->maximum_num_channels = aac_drivers[index].channels;
1744 error = aac_get_adapter_info(aac);
1745 if (error < 0)
1746 goto out_deinit;
1747
1748 /*
1749 * Lets override negotiations and drop the maximum SG limit to 34
1750 */
1751 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1752 (shost->sg_tablesize > 34)) {
1753 shost->sg_tablesize = 34;
1754 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1755 }
1756
1757 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1758 (shost->sg_tablesize > 17)) {
1759 shost->sg_tablesize = 17;
1760 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1761 }
1762
1763 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1764 shost->max_segment_size = shost->max_sectors << 9;
1765 else
1766 shost->max_segment_size = 65536;
1767
1768 /*
1769 * Firmware printf works only with older firmware.
1770 */
1771 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1772 aac->printf_enabled = 1;
1773 else
1774 aac->printf_enabled = 0;
1775
1776 /*
1777 * max channel will be the physical channels plus 1 virtual channel
1778 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1779 * physical channels are address by their actual physical number+1
1780 */
1781 if (aac->nondasd_support || expose_physicals || aac->jbod)
1782 shost->max_channel = aac->maximum_num_channels;
1783 else
1784 shost->max_channel = 0;
1785
1786 aac_get_config_status(aac, 0);
1787 aac_get_containers(aac);
1788 list_add(&aac->entry, insert);
1789
1790 shost->max_id = aac->maximum_num_containers;
1791 if (shost->max_id < aac->maximum_num_physicals)
1792 shost->max_id = aac->maximum_num_physicals;
1793 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1794 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1795 else
1796 shost->this_id = shost->max_id;
1797
1798 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1799 aac_intr_normal(aac, 0, 2, 0, NULL);
1800
1801 /*
1802 * dmb - we may need to move the setting of these parms somewhere else once
1803 * we get a fib that can report the actual numbers
1804 */
1805 shost->max_lun = AAC_MAX_LUN;
1806
1807 pci_set_drvdata(pdev, shost);
1808
1809 error = scsi_add_host(shost, &pdev->dev);
1810 if (error)
1811 goto out_deinit;
1812
1813 aac_scan_host(aac);
1814
1815 pci_enable_pcie_error_reporting(pdev);
1816 pci_save_state(pdev);
1817
1818 return 0;
1819
1820 out_deinit:
1821 __aac_shutdown(aac);
1822 out_unmap:
1823 aac_fib_map_free(aac);
1824 if (aac->comm_addr)
1825 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1826 aac->comm_addr, aac->comm_phys);
1827 kfree(aac->queues);
1828 aac_adapter_ioremap(aac, 0);
1829 kfree(aac->fibs);
1830 kfree(aac->fsa_dev);
1831 out_free_host:
1832 scsi_host_put(shost);
1833 out_disable_pdev:
1834 pci_disable_device(pdev);
1835 out:
1836 return error;
1837 }
1838
1839 static void aac_release_resources(struct aac_dev *aac)
1840 {
1841 aac_adapter_disable_int(aac);
1842 aac_free_irq(aac);
1843 }
1844
1845 static int aac_acquire_resources(struct aac_dev *dev)
1846 {
1847 unsigned long status;
1848 /*
1849 * First clear out all interrupts. Then enable the one's that we
1850 * can handle.
1851 */
1852 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1853 || status == 0xffffffff)
1854 msleep(20);
1855
1856 aac_adapter_disable_int(dev);
1857 aac_adapter_enable_int(dev);
1858
1859
1860 if (aac_is_src(dev))
1861 aac_define_int_mode(dev);
1862
1863 if (dev->msi_enabled)
1864 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1865
1866 if (aac_acquire_irq(dev))
1867 goto error_iounmap;
1868
1869 aac_adapter_enable_int(dev);
1870
1871 /*max msix may change after EEH
1872 * Re-assign vectors to fibs
1873 */
1874 aac_fib_vector_assign(dev);
1875
1876 if (!dev->sync_mode) {
1877 /* After EEH recovery or suspend resume, max_msix count
1878 * may change, therefore updating in init as well.
1879 */
1880 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1881 aac_adapter_start(dev);
1882 }
1883 return 0;
1884
1885 error_iounmap:
1886 return -1;
1887
1888 }
1889
1890 #if (defined(CONFIG_PM))
1891 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1892 {
1893
1894 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1895 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1896
1897 scsi_block_requests(shost);
1898 aac_cancel_rescan_worker(aac);
1899 aac_send_shutdown(aac);
1900
1901 aac_release_resources(aac);
1902
1903 pci_set_drvdata(pdev, shost);
1904 pci_save_state(pdev);
1905 pci_disable_device(pdev);
1906 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1907
1908 return 0;
1909 }
1910
1911 static int aac_resume(struct pci_dev *pdev)
1912 {
1913 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1914 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1915 int r;
1916
1917 pci_set_power_state(pdev, PCI_D0);
1918 pci_enable_wake(pdev, PCI_D0, 0);
1919 pci_restore_state(pdev);
1920 r = pci_enable_device(pdev);
1921
1922 if (r)
1923 goto fail_device;
1924
1925 pci_set_master(pdev);
1926 if (aac_acquire_resources(aac))
1927 goto fail_device;
1928 /*
1929 * reset this flag to unblock ioctl() as it was set at
1930 * aac_send_shutdown() to block ioctls from upperlayer
1931 */
1932 aac->adapter_shutdown = 0;
1933 scsi_unblock_requests(shost);
1934
1935 return 0;
1936
1937 fail_device:
1938 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1939 scsi_host_put(shost);
1940 pci_disable_device(pdev);
1941 return -ENODEV;
1942 }
1943 #endif
1944
1945 static void aac_shutdown(struct pci_dev *dev)
1946 {
1947 struct Scsi_Host *shost = pci_get_drvdata(dev);
1948 scsi_block_requests(shost);
1949 __aac_shutdown((struct aac_dev *)shost->hostdata);
1950 }
1951
1952 static void aac_remove_one(struct pci_dev *pdev)
1953 {
1954 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1955 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1956
1957 aac_cancel_rescan_worker(aac);
1958 scsi_remove_host(shost);
1959
1960 __aac_shutdown(aac);
1961 aac_fib_map_free(aac);
1962 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1963 aac->comm_phys);
1964 kfree(aac->queues);
1965
1966 aac_adapter_ioremap(aac, 0);
1967
1968 kfree(aac->fibs);
1969 kfree(aac->fsa_dev);
1970
1971 list_del(&aac->entry);
1972 scsi_host_put(shost);
1973 pci_disable_device(pdev);
1974 if (list_empty(&aac_devices)) {
1975 unregister_chrdev(aac_cfg_major, "aac");
1976 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1977 }
1978 }
1979
1980 static void aac_flush_ios(struct aac_dev *aac)
1981 {
1982 int i;
1983 struct scsi_cmnd *cmd;
1984
1985 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1986 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1987 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1988 scsi_dma_unmap(cmd);
1989
1990 if (aac->handle_pci_error)
1991 cmd->result = DID_NO_CONNECT << 16;
1992 else
1993 cmd->result = DID_RESET << 16;
1994
1995 cmd->scsi_done(cmd);
1996 }
1997 }
1998 }
1999
2000 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
2001 enum pci_channel_state error)
2002 {
2003 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2004 struct aac_dev *aac = shost_priv(shost);
2005
2006 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2007
2008 switch (error) {
2009 case pci_channel_io_normal:
2010 return PCI_ERS_RESULT_CAN_RECOVER;
2011 case pci_channel_io_frozen:
2012 aac->handle_pci_error = 1;
2013
2014 scsi_block_requests(aac->scsi_host_ptr);
2015 aac_cancel_rescan_worker(aac);
2016 aac_flush_ios(aac);
2017 aac_release_resources(aac);
2018
2019 pci_disable_pcie_error_reporting(pdev);
2020 aac_adapter_ioremap(aac, 0);
2021
2022 return PCI_ERS_RESULT_NEED_RESET;
2023 case pci_channel_io_perm_failure:
2024 aac->handle_pci_error = 1;
2025
2026 aac_flush_ios(aac);
2027 return PCI_ERS_RESULT_DISCONNECT;
2028 }
2029
2030 return PCI_ERS_RESULT_NEED_RESET;
2031 }
2032
2033 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2034 {
2035 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2036 return PCI_ERS_RESULT_NEED_RESET;
2037 }
2038
2039 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2040 {
2041 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2042 pci_restore_state(pdev);
2043 if (pci_enable_device(pdev)) {
2044 dev_warn(&pdev->dev,
2045 "aacraid: failed to enable slave\n");
2046 goto fail_device;
2047 }
2048
2049 pci_set_master(pdev);
2050
2051 if (pci_enable_device_mem(pdev)) {
2052 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2053 goto fail_device;
2054 }
2055
2056 return PCI_ERS_RESULT_RECOVERED;
2057
2058 fail_device:
2059 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2060 return PCI_ERS_RESULT_DISCONNECT;
2061 }
2062
2063
2064 static void aac_pci_resume(struct pci_dev *pdev)
2065 {
2066 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2067 struct scsi_device *sdev = NULL;
2068 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2069
2070 if (aac_adapter_ioremap(aac, aac->base_size)) {
2071
2072 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2073 /* remap failed, go back ... */
2074 aac->comm_interface = AAC_COMM_PRODUCER;
2075 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2076 dev_warn(&pdev->dev,
2077 "aacraid: unable to map adapter.\n");
2078
2079 return;
2080 }
2081 }
2082
2083 msleep(10000);
2084
2085 aac_acquire_resources(aac);
2086
2087 /*
2088 * reset this flag to unblock ioctl() as it was set
2089 * at aac_send_shutdown() to block ioctls from upperlayer
2090 */
2091 aac->adapter_shutdown = 0;
2092 aac->handle_pci_error = 0;
2093
2094 shost_for_each_device(sdev, shost)
2095 if (sdev->sdev_state == SDEV_OFFLINE)
2096 sdev->sdev_state = SDEV_RUNNING;
2097 scsi_unblock_requests(aac->scsi_host_ptr);
2098 aac_scan_host(aac);
2099 pci_save_state(pdev);
2100
2101 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2102 }
2103
2104 static struct pci_error_handlers aac_pci_err_handler = {
2105 .error_detected = aac_pci_error_detected,
2106 .mmio_enabled = aac_pci_mmio_enabled,
2107 .slot_reset = aac_pci_slot_reset,
2108 .resume = aac_pci_resume,
2109 };
2110
2111 static struct pci_driver aac_pci_driver = {
2112 .name = AAC_DRIVERNAME,
2113 .id_table = aac_pci_tbl,
2114 .probe = aac_probe_one,
2115 .remove = aac_remove_one,
2116 #if (defined(CONFIG_PM))
2117 .suspend = aac_suspend,
2118 .resume = aac_resume,
2119 #endif
2120 .shutdown = aac_shutdown,
2121 .err_handler = &aac_pci_err_handler,
2122 };
2123
2124 static int __init aac_init(void)
2125 {
2126 int error;
2127
2128 printk(KERN_INFO "Adaptec %s driver %s\n",
2129 AAC_DRIVERNAME, aac_driver_version);
2130
2131 error = pci_register_driver(&aac_pci_driver);
2132 if (error < 0)
2133 return error;
2134
2135 aac_init_char();
2136
2137
2138 return 0;
2139 }
2140
2141 static void __exit aac_exit(void)
2142 {
2143 if (aac_cfg_major > -1)
2144 unregister_chrdev(aac_cfg_major, "aac");
2145 pci_unregister_driver(&aac_pci_driver);
2146 }
2147
2148 module_init(aac_init);
2149 module_exit(aac_exit);
Linux with added FPC-III support