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gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / scsi / aacraid / linit.c
blob83a60b0a8cd80e5666e0f9fb2fa1e1ada3a9beac
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Adaptec AAC series RAID controller driver
4 * (c) Copyright 2001 Red Hat Inc.
5 *
6 * based on the old aacraid driver that is..
7 * Adaptec aacraid device driver for Linux.
8 *
9 * Copyright (c) 2000-2010 Adaptec, Inc.
10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
12 *
13 * Module Name:
14 * linit.c
15 *
16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
17 */
18
19
20 #include <linux/compat.h>
21 #include <linux/blkdev.h>
22 #include <linux/completion.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/pci.h>
29 #include <linux/aer.h>
30 #include <linux/slab.h>
31 #include <linux/mutex.h>
32 #include <linux/spinlock.h>
33 #include <linux/syscalls.h>
34 #include <linux/delay.h>
35 #include <linux/kthread.h>
36 #include <linux/msdos_partition.h>
37
38 #include <scsi/scsi.h>
39 #include <scsi/scsi_cmnd.h>
40 #include <scsi/scsi_device.h>
41 #include <scsi/scsi_host.h>
42 #include <scsi/scsi_tcq.h>
43 #include <scsi/scsicam.h>
44 #include <scsi/scsi_eh.h>
45
46 #include "aacraid.h"
47
48 #define AAC_DRIVER_VERSION "1.2.1"
49 #ifndef AAC_DRIVER_BRANCH
50 #define AAC_DRIVER_BRANCH ""
51 #endif
52 #define AAC_DRIVERNAME "aacraid"
53
54 #ifdef AAC_DRIVER_BUILD
55 #define _str(x) #x
56 #define str(x) _str(x)
57 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
58 #else
59 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
60 #endif
61
62 MODULE_AUTHOR("Red Hat Inc and Adaptec");
63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
64 "Adaptec Advanced Raid Products, "
65 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
68
69 static DEFINE_MUTEX(aac_mutex);
70 static LIST_HEAD(aac_devices);
71 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
72 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
73
74 /*
75 * Because of the way Linux names scsi devices, the order in this table has
76 * become important. Check for on-board Raid first, add-in cards second.
77 *
78 * Note: The last field is used to index into aac_drivers below.
79 */
80 static const struct pci_device_id aac_pci_tbl[] = {
81 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
82 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
83 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
84 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
85 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
86 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
87 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
88 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
89 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
90 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
91 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
92 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
93 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
94 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
95 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
96 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
97
98 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
99 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
100 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
101 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
102 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
103 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
104 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
105 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
106 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
107 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
108 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
109 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
110 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
111 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
112 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
113 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
114 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
115 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
116 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
117 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
118 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
119 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
120 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
121 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
122 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
123 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
124 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
125 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
126 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
127 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
128 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
129 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
130 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
131 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
132 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
133 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
134 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
135 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
136
137 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
138 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
139 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
140 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
141 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
142
143 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
144 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
145 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
146 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
147 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
148 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
149 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
150 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
151 { 0,}
152 };
153 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
154
155 /*
156 * dmb - For now we add the number of channels to this structure.
157 * In the future we should add a fib that reports the number of channels
158 * for the card. At that time we can remove the channels from here
159 */
160 static struct aac_driver_ident aac_drivers[] = {
161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
174 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
175 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
176 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
177
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
186 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
187 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
189 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
190 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
191 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
192 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
193 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
195 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
199 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
200 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
207 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
209 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
213 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
214
215 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
216 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
217 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
218 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
219 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
220
221 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
222 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
224 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
225 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
226 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
228 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
229 };
230
231 /**
232 * aac_queuecommand - queue a SCSI command
233 * @cmd: SCSI command to queue
234 * @done: Function to call on command completion
235 *
236 * Queues a command for execution by the associated Host Adapter.
237 *
238 * TODO: unify with aac_scsi_cmd().
239 */
240
241 static int aac_queuecommand(struct Scsi_Host *shost,
242 struct scsi_cmnd *cmd)
243 {
244 int r = 0;
245 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
246 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
247 return r;
248 }
249
250 /**
251 * aac_info - Returns the host adapter name
252 * @shost: Scsi host to report on
253 *
254 * Returns a static string describing the device in question
255 */
256
257 static const char *aac_info(struct Scsi_Host *shost)
258 {
259 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
260 return aac_drivers[dev->cardtype].name;
261 }
262
263 /**
264 * aac_get_driver_ident
265 * @devtype: index into lookup table
266 *
267 * Returns a pointer to the entry in the driver lookup table.
268 */
269
270 struct aac_driver_ident* aac_get_driver_ident(int devtype)
271 {
272 return &aac_drivers[devtype];
273 }
274
275 /**
276 * aac_biosparm - return BIOS parameters for disk
277 * @sdev: The scsi device corresponding to the disk
278 * @bdev: the block device corresponding to the disk
279 * @capacity: the sector capacity of the disk
280 * @geom: geometry block to fill in
281 *
282 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
283 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
284 * number of cylinders so as not to exceed drive capacity. In order for
285 * disks equal to or larger than 1 GB to be addressable by the BIOS
286 * without exceeding the BIOS limitation of 1024 cylinders, Extended
287 * Translation should be enabled. With Extended Translation enabled,
288 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
289 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
290 * are given a disk geometry of 255 heads and 63 sectors. However, if
291 * the BIOS detects that the Extended Translation setting does not match
292 * the geometry in the partition table, then the translation inferred
293 * from the partition table will be used by the BIOS, and a warning may
294 * be displayed.
295 */
296
297 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
298 sector_t capacity, int *geom)
299 {
300 struct diskparm *param = (struct diskparm *)geom;
301 unsigned char *buf;
302
303 dprintk((KERN_DEBUG "aac_biosparm.\n"));
304
305 /*
306 * Assuming extended translation is enabled - #REVISIT#
307 */
308 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
309 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
310 param->heads = 255;
311 param->sectors = 63;
312 } else {
313 param->heads = 128;
314 param->sectors = 32;
315 }
316 } else {
317 param->heads = 64;
318 param->sectors = 32;
319 }
320
321 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
322
323 /*
324 * Read the first 1024 bytes from the disk device, if the boot
325 * sector partition table is valid, search for a partition table
326 * entry whose end_head matches one of the standard geometry
327 * translations ( 64/32, 128/32, 255/63 ).
328 */
329 buf = scsi_bios_ptable(bdev);
330 if (!buf)
331 return 0;
332 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
333 struct msdos_partition *first = (struct msdos_partition *)buf;
334 struct msdos_partition *entry = first;
335 int saved_cylinders = param->cylinders;
336 int num;
337 unsigned char end_head, end_sec;
338
339 for(num = 0; num < 4; num++) {
340 end_head = entry->end_head;
341 end_sec = entry->end_sector & 0x3f;
342
343 if(end_head == 63) {
344 param->heads = 64;
345 param->sectors = 32;
346 break;
347 } else if(end_head == 127) {
348 param->heads = 128;
349 param->sectors = 32;
350 break;
351 } else if(end_head == 254) {
352 param->heads = 255;
353 param->sectors = 63;
354 break;
355 }
356 entry++;
357 }
358
359 if (num == 4) {
360 end_head = first->end_head;
361 end_sec = first->end_sector & 0x3f;
362 }
363
364 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
365 if (num < 4 && end_sec == param->sectors) {
366 if (param->cylinders != saved_cylinders)
367 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
368 param->heads, param->sectors, num));
369 } else if (end_head > 0 || end_sec > 0) {
370 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
371 end_head + 1, end_sec, num));
372 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
373 param->heads, param->sectors));
374 }
375 }
376 kfree(buf);
377 return 0;
378 }
379
380 /**
381 * aac_slave_configure - compute queue depths
382 * @sdev: SCSI device we are considering
383 *
384 * Selects queue depths for each target device based on the host adapter's
385 * total capacity and the queue depth supported by the target device.
386 * A queue depth of one automatically disables tagged queueing.
387 */
388
389 static int aac_slave_configure(struct scsi_device *sdev)
390 {
391 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
392 int chn, tid;
393 unsigned int depth = 0;
394 unsigned int set_timeout = 0;
395 int timeout = 0;
396 bool set_qd_dev_type = false;
397 u8 devtype = 0;
398
399 chn = aac_logical_to_phys(sdev_channel(sdev));
400 tid = sdev_id(sdev);
401 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
402 devtype = aac->hba_map[chn][tid].devtype;
403
404 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
405 depth = aac->hba_map[chn][tid].qd_limit;
406 set_timeout = 1;
407 goto common_config;
408 }
409 if (devtype == AAC_DEVTYPE_ARC_RAW) {
410 set_qd_dev_type = true;
411 set_timeout = 1;
412 goto common_config;
413 }
414 }
415
416 if (aac->jbod && (sdev->type == TYPE_DISK))
417 sdev->removable = 1;
418
419 if (sdev->type == TYPE_DISK
420 && sdev_channel(sdev) != CONTAINER_CHANNEL
421 && (!aac->jbod || sdev->inq_periph_qual)
422 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
423
424 if (expose_physicals == 0)
425 return -ENXIO;
426
427 if (expose_physicals < 0)
428 sdev->no_uld_attach = 1;
429 }
430
431 if (sdev->tagged_supported
432 && sdev->type == TYPE_DISK
433 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
434 && !sdev->no_uld_attach) {
435
436 struct scsi_device * dev;
437 struct Scsi_Host *host = sdev->host;
438 unsigned num_lsu = 0;
439 unsigned num_one = 0;
440 unsigned cid;
441
442 set_timeout = 1;
443
444 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
445 if (aac->fsa_dev[cid].valid)
446 ++num_lsu;
447
448 __shost_for_each_device(dev, host) {
449 if (dev->tagged_supported
450 && dev->type == TYPE_DISK
451 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
452 && !dev->no_uld_attach) {
453 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
454 || !aac->fsa_dev[sdev_id(dev)].valid) {
455 ++num_lsu;
456 }
457 } else {
458 ++num_one;
459 }
460 }
461
462 if (num_lsu == 0)
463 ++num_lsu;
464
465 depth = (host->can_queue - num_one) / num_lsu;
466
467 if (sdev_channel(sdev) != NATIVE_CHANNEL)
468 goto common_config;
469
470 set_qd_dev_type = true;
471
472 }
473
474 common_config:
475
476 /*
477 * Check if SATA drive
478 */
479 if (set_qd_dev_type) {
480 if (strncmp(sdev->vendor, "ATA", 3) == 0)
481 depth = 32;
482 else
483 depth = 64;
484 }
485
486 /*
487 * Firmware has an individual device recovery time typically
488 * of 35 seconds, give us a margin. Thor devices can take longer in
489 * error recovery, hence different value.
490 */
491 if (set_timeout) {
492 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
493 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
494 }
495
496 if (depth > 256)
497 depth = 256;
498 else if (depth < 1)
499 depth = 1;
500
501 scsi_change_queue_depth(sdev, depth);
502
503 sdev->tagged_supported = 1;
504
505 return 0;
506 }
507
508 /**
509 * aac_change_queue_depth - alter queue depths
510 * @sdev: SCSI device we are considering
511 * @depth: desired queue depth
512 *
513 * Alters queue depths for target device based on the host adapter's
514 * total capacity and the queue depth supported by the target device.
515 */
516
517 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
518 {
519 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
520 int chn, tid, is_native_device = 0;
521
522 chn = aac_logical_to_phys(sdev_channel(sdev));
523 tid = sdev_id(sdev);
524 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
525 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
526 is_native_device = 1;
527
528 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
529 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
530 struct scsi_device * dev;
531 struct Scsi_Host *host = sdev->host;
532 unsigned num = 0;
533
534 __shost_for_each_device(dev, host) {
535 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
536 (sdev_channel(dev) == CONTAINER_CHANNEL))
537 ++num;
538 ++num;
539 }
540 if (num >= host->can_queue)
541 num = host->can_queue - 1;
542 if (depth > (host->can_queue - num))
543 depth = host->can_queue - num;
544 if (depth > 256)
545 depth = 256;
546 else if (depth < 2)
547 depth = 2;
548 return scsi_change_queue_depth(sdev, depth);
549 } else if (is_native_device) {
550 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
551 } else {
552 scsi_change_queue_depth(sdev, 1);
553 }
554 return sdev->queue_depth;
555 }
556
557 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
558 {
559 struct scsi_device *sdev = to_scsi_device(dev);
560 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
561 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
562 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
563 ? "Hidden\n" :
564 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
565 return snprintf(buf, PAGE_SIZE, "%s\n",
566 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
567 }
568
569 static struct device_attribute aac_raid_level_attr = {
570 .attr = {
571 .name = "level",
572 .mode = S_IRUGO,
573 },
574 .show = aac_show_raid_level
575 };
576
577 static ssize_t aac_show_unique_id(struct device *dev,
578 struct device_attribute *attr, char *buf)
579 {
580 struct scsi_device *sdev = to_scsi_device(dev);
581 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
582 unsigned char sn[16];
583
584 memset(sn, 0, sizeof(sn));
585
586 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
587 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
588
589 return snprintf(buf, 16 * 2 + 2,
590 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
591 sn[0], sn[1], sn[2], sn[3],
592 sn[4], sn[5], sn[6], sn[7],
593 sn[8], sn[9], sn[10], sn[11],
594 sn[12], sn[13], sn[14], sn[15]);
595 }
596
597 static struct device_attribute aac_unique_id_attr = {
598 .attr = {
599 .name = "unique_id",
600 .mode = 0444,
601 },
602 .show = aac_show_unique_id
603 };
604
605
606
607 static struct device_attribute *aac_dev_attrs[] = {
608 &aac_raid_level_attr,
609 &aac_unique_id_attr,
610 NULL,
611 };
612
613 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
614 void __user *arg)
615 {
616 int retval;
617 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
618 if (!capable(CAP_SYS_RAWIO))
619 return -EPERM;
620 retval = aac_adapter_check_health(dev);
621 if (retval)
622 return -EBUSY;
623 return aac_do_ioctl(dev, cmd, arg);
624 }
625
626 struct fib_count_data {
627 int mlcnt;
628 int llcnt;
629 int ehcnt;
630 int fwcnt;
631 int krlcnt;
632 };
633
634 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
635 {
636 struct fib_count_data *fib_count = data;
637
638 switch (scmnd->SCp.phase) {
639 case AAC_OWNER_FIRMWARE:
640 fib_count->fwcnt++;
641 break;
642 case AAC_OWNER_ERROR_HANDLER:
643 fib_count->ehcnt++;
644 break;
645 case AAC_OWNER_LOWLEVEL:
646 fib_count->llcnt++;
647 break;
648 case AAC_OWNER_MIDLEVEL:
649 fib_count->mlcnt++;
650 break;
651 default:
652 fib_count->krlcnt++;
653 break;
654 }
655 return true;
656 }
657
658 /* Called during SCSI EH, so we don't need to block requests */
659 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
660 {
661 struct Scsi_Host *shost = aac->scsi_host_ptr;
662 struct device *ctrl_dev;
663 struct fib_count_data fcnt = { };
664
665 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
666
667 ctrl_dev = &aac->pdev->dev;
668
669 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
670 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
671 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
672 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
673 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
674
675 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
676 }
677
678 static int aac_eh_abort(struct scsi_cmnd* cmd)
679 {
680 struct scsi_device * dev = cmd->device;
681 struct Scsi_Host * host = dev->host;
682 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
683 int count, found;
684 u32 bus, cid;
685 int ret = FAILED;
686
687 if (aac_adapter_check_health(aac))
688 return ret;
689
690 bus = aac_logical_to_phys(scmd_channel(cmd));
691 cid = scmd_id(cmd);
692 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
693 struct fib *fib;
694 struct aac_hba_tm_req *tmf;
695 int status;
696 u64 address;
697
698 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
699 AAC_DRIVERNAME,
700 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
701
702 found = 0;
703 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
704 fib = &aac->fibs[count];
705 if (*(u8 *)fib->hw_fib_va != 0 &&
706 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
707 (fib->callback_data == cmd)) {
708 found = 1;
709 break;
710 }
711 }
712 if (!found)
713 return ret;
714
715 /* start a HBA_TMF_ABORT_TASK TMF request */
716 fib = aac_fib_alloc(aac);
717 if (!fib)
718 return ret;
719
720 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
721 memset(tmf, 0, sizeof(*tmf));
722 tmf->tmf = HBA_TMF_ABORT_TASK;
723 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
724 tmf->lun[1] = cmd->device->lun;
725
726 address = (u64)fib->hw_error_pa;
727 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
728 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
729 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
730
731 fib->hbacmd_size = sizeof(*tmf);
732 cmd->SCp.sent_command = 0;
733
734 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
735 (fib_callback) aac_hba_callback,
736 (void *) cmd);
737 if (status != -EINPROGRESS) {
738 aac_fib_complete(fib);
739 aac_fib_free(fib);
740 return ret;
741 }
742 /* Wait up to 15 secs for completion */
743 for (count = 0; count < 15; ++count) {
744 if (cmd->SCp.sent_command) {
745 ret = SUCCESS;
746 break;
747 }
748 msleep(1000);
749 }
750
751 if (ret != SUCCESS)
752 pr_err("%s: Host adapter abort request timed out\n",
753 AAC_DRIVERNAME);
754 } else {
755 pr_err(
756 "%s: Host adapter abort request.\n"
757 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
758 AAC_DRIVERNAME, AAC_DRIVERNAME,
759 host->host_no, sdev_channel(dev), sdev_id(dev),
760 (int)dev->lun);
761 switch (cmd->cmnd[0]) {
762 case SERVICE_ACTION_IN_16:
763 if (!(aac->raw_io_interface) ||
764 !(aac->raw_io_64) ||
765 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
766 break;
767 /* fall through */
768 case INQUIRY:
769 case READ_CAPACITY:
770 /*
771 * Mark associated FIB to not complete,
772 * eh handler does this
773 */
774 for (count = 0;
775 count < (host->can_queue + AAC_NUM_MGT_FIB);
776 ++count) {
777 struct fib *fib = &aac->fibs[count];
778
779 if (fib->hw_fib_va->header.XferState &&
780 (fib->flags & FIB_CONTEXT_FLAG) &&
781 (fib->callback_data == cmd)) {
782 fib->flags |=
783 FIB_CONTEXT_FLAG_TIMED_OUT;
784 cmd->SCp.phase =
785 AAC_OWNER_ERROR_HANDLER;
786 ret = SUCCESS;
787 }
788 }
789 break;
790 case TEST_UNIT_READY:
791 /*
792 * Mark associated FIB to not complete,
793 * eh handler does this
794 */
795 for (count = 0;
796 count < (host->can_queue + AAC_NUM_MGT_FIB);
797 ++count) {
798 struct scsi_cmnd *command;
799 struct fib *fib = &aac->fibs[count];
800
801 command = fib->callback_data;
802
803 if ((fib->hw_fib_va->header.XferState &
804 cpu_to_le32
805 (Async | NoResponseExpected)) &&
806 (fib->flags & FIB_CONTEXT_FLAG) &&
807 ((command)) &&
808 (command->device == cmd->device)) {
809 fib->flags |=
810 FIB_CONTEXT_FLAG_TIMED_OUT;
811 command->SCp.phase =
812 AAC_OWNER_ERROR_HANDLER;
813 if (command == cmd)
814 ret = SUCCESS;
815 }
816 }
817 break;
818 }
819 }
820 return ret;
821 }
822
823 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
824 struct fib *fib, u64 tmf_lun)
825 {
826 struct aac_hba_tm_req *tmf;
827 u64 address;
828
829 /* start a HBA_TMF_LUN_RESET TMF request */
830 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
831 memset(tmf, 0, sizeof(*tmf));
832 tmf->tmf = HBA_TMF_LUN_RESET;
833 tmf->it_nexus = info->rmw_nexus;
834 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
835
836 address = (u64)fib->hw_error_pa;
837 tmf->error_ptr_hi = cpu_to_le32
838 ((u32)(address >> 32));
839 tmf->error_ptr_lo = cpu_to_le32
840 ((u32)(address & 0xffffffff));
841 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
842 fib->hbacmd_size = sizeof(*tmf);
843
844 return HBA_IU_TYPE_SCSI_TM_REQ;
845 }
846
847 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
848 struct fib *fib)
849 {
850 struct aac_hba_reset_req *rst;
851 u64 address;
852
853 /* already tried, start a hard reset now */
854 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
855 memset(rst, 0, sizeof(*rst));
856 rst->it_nexus = info->rmw_nexus;
857
858 address = (u64)fib->hw_error_pa;
859 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
860 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
861 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
862 fib->hbacmd_size = sizeof(*rst);
863
864 return HBA_IU_TYPE_SATA_REQ;
865 }
866
867 void aac_tmf_callback(void *context, struct fib *fibptr)
868 {
869 struct aac_hba_resp *err =
870 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
871 struct aac_hba_map_info *info = context;
872 int res;
873
874 switch (err->service_response) {
875 case HBA_RESP_SVCRES_TMF_REJECTED:
876 res = -1;
877 break;
878 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
879 res = 0;
880 break;
881 case HBA_RESP_SVCRES_TMF_COMPLETE:
882 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
883 res = 0;
884 break;
885 default:
886 res = -2;
887 break;
888 }
889 aac_fib_complete(fibptr);
890
891 info->reset_state = res;
892 }
893
894 /*
895 * aac_eh_dev_reset - Device reset command handling
896 * @scsi_cmd: SCSI command block causing the reset
897 *
898 */
899 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
900 {
901 struct scsi_device * dev = cmd->device;
902 struct Scsi_Host * host = dev->host;
903 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
904 struct aac_hba_map_info *info;
905 int count;
906 u32 bus, cid;
907 struct fib *fib;
908 int ret = FAILED;
909 int status;
910 u8 command;
911
912 bus = aac_logical_to_phys(scmd_channel(cmd));
913 cid = scmd_id(cmd);
914
915 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
916 return FAILED;
917
918 info = &aac->hba_map[bus][cid];
919
920 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
921 !(info->reset_state > 0)))
922 return FAILED;
923
924 pr_err("%s: Host device reset request. SCSI hang ?\n",
925 AAC_DRIVERNAME);
926
927 fib = aac_fib_alloc(aac);
928 if (!fib)
929 return ret;
930
931 /* start a HBA_TMF_LUN_RESET TMF request */
932 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
933
934 info->reset_state = 1;
935
936 status = aac_hba_send(command, fib,
937 (fib_callback) aac_tmf_callback,
938 (void *) info);
939 if (status != -EINPROGRESS) {
940 info->reset_state = 0;
941 aac_fib_complete(fib);
942 aac_fib_free(fib);
943 return ret;
944 }
945 /* Wait up to 15 seconds for completion */
946 for (count = 0; count < 15; ++count) {
947 if (info->reset_state == 0) {
948 ret = info->reset_state == 0 ? SUCCESS : FAILED;
949 break;
950 }
951 msleep(1000);
952 }
953
954 return ret;
955 }
956
957 /*
958 * aac_eh_target_reset - Target reset command handling
959 * @scsi_cmd: SCSI command block causing the reset
960 *
961 */
962 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
963 {
964 struct scsi_device * dev = cmd->device;
965 struct Scsi_Host * host = dev->host;
966 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
967 struct aac_hba_map_info *info;
968 int count;
969 u32 bus, cid;
970 int ret = FAILED;
971 struct fib *fib;
972 int status;
973 u8 command;
974
975 bus = aac_logical_to_phys(scmd_channel(cmd));
976 cid = scmd_id(cmd);
977
978 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
979 return FAILED;
980
981 info = &aac->hba_map[bus][cid];
982
983 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
984 !(info->reset_state > 0)))
985 return FAILED;
986
987 pr_err("%s: Host target reset request. SCSI hang ?\n",
988 AAC_DRIVERNAME);
989
990 fib = aac_fib_alloc(aac);
991 if (!fib)
992 return ret;
993
994
995 /* already tried, start a hard reset now */
996 command = aac_eh_tmf_hard_reset_fib(info, fib);
997
998 info->reset_state = 2;
999
1000 status = aac_hba_send(command, fib,
1001 (fib_callback) aac_tmf_callback,
1002 (void *) info);
1003
1004 if (status != -EINPROGRESS) {
1005 info->reset_state = 0;
1006 aac_fib_complete(fib);
1007 aac_fib_free(fib);
1008 return ret;
1009 }
1010
1011 /* Wait up to 15 seconds for completion */
1012 for (count = 0; count < 15; ++count) {
1013 if (info->reset_state <= 0) {
1014 ret = info->reset_state == 0 ? SUCCESS : FAILED;
1015 break;
1016 }
1017 msleep(1000);
1018 }
1019
1020 return ret;
1021 }
1022
1023 /*
1024 * aac_eh_bus_reset - Bus reset command handling
1025 * @scsi_cmd: SCSI command block causing the reset
1026 *
1027 */
1028 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1029 {
1030 struct scsi_device * dev = cmd->device;
1031 struct Scsi_Host * host = dev->host;
1032 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1033 int count;
1034 u32 cmd_bus;
1035 int status = 0;
1036
1037
1038 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1039 /* Mark the assoc. FIB to not complete, eh handler does this */
1040 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1041 struct fib *fib = &aac->fibs[count];
1042
1043 if (fib->hw_fib_va->header.XferState &&
1044 (fib->flags & FIB_CONTEXT_FLAG) &&
1045 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1046 struct aac_hba_map_info *info;
1047 u32 bus, cid;
1048
1049 cmd = (struct scsi_cmnd *)fib->callback_data;
1050 bus = aac_logical_to_phys(scmd_channel(cmd));
1051 if (bus != cmd_bus)
1052 continue;
1053 cid = scmd_id(cmd);
1054 info = &aac->hba_map[bus][cid];
1055 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1056 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1057 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1058 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1059 }
1060 }
1061 }
1062
1063 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1064
1065 /*
1066 * Check the health of the controller
1067 */
1068 status = aac_adapter_check_health(aac);
1069 if (status)
1070 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1071
1072 count = get_num_of_incomplete_fibs(aac);
1073 return (count == 0) ? SUCCESS : FAILED;
1074 }
1075
1076 /*
1077 * aac_eh_host_reset - Host reset command handling
1078 * @scsi_cmd: SCSI command block causing the reset
1079 *
1080 */
1081 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1082 {
1083 struct scsi_device * dev = cmd->device;
1084 struct Scsi_Host * host = dev->host;
1085 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1086 int ret = FAILED;
1087 __le32 supported_options2 = 0;
1088 bool is_mu_reset;
1089 bool is_ignore_reset;
1090 bool is_doorbell_reset;
1091
1092 /*
1093 * Check if reset is supported by the firmware
1094 */
1095 supported_options2 = aac->supplement_adapter_info.supported_options2;
1096 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1097 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1098 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1099 /*
1100 * This adapter needs a blind reset, only do so for
1101 * Adapters that support a register, instead of a commanded,
1102 * reset.
1103 */
1104 if ((is_mu_reset || is_doorbell_reset)
1105 && aac_check_reset
1106 && (aac_check_reset != -1 || !is_ignore_reset)) {
1107 /* Bypass wait for command quiesce */
1108 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1109 ret = SUCCESS;
1110 }
1111 /*
1112 * Reset EH state
1113 */
1114 if (ret == SUCCESS) {
1115 int bus, cid;
1116 struct aac_hba_map_info *info;
1117
1118 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1119 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1120 info = &aac->hba_map[bus][cid];
1121 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1122 info->reset_state = 0;
1123 }
1124 }
1125 }
1126 return ret;
1127 }
1128
1129 /**
1130 * aac_cfg_open - open a configuration file
1131 * @inode: inode being opened
1132 * @file: file handle attached
1133 *
1134 * Called when the configuration device is opened. Does the needed
1135 * set up on the handle and then returns
1136 *
1137 * Bugs: This needs extending to check a given adapter is present
1138 * so we can support hot plugging, and to ref count adapters.
1139 */
1140
1141 static int aac_cfg_open(struct inode *inode, struct file *file)
1142 {
1143 struct aac_dev *aac;
1144 unsigned minor_number = iminor(inode);
1145 int err = -ENODEV;
1146
1147 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1148 list_for_each_entry(aac, &aac_devices, entry) {
1149 if (aac->id == minor_number) {
1150 file->private_data = aac;
1151 err = 0;
1152 break;
1153 }
1154 }
1155 mutex_unlock(&aac_mutex);
1156
1157 return err;
1158 }
1159
1160 /**
1161 * aac_cfg_ioctl - AAC configuration request
1162 * @inode: inode of device
1163 * @file: file handle
1164 * @cmd: ioctl command code
1165 * @arg: argument
1166 *
1167 * Handles a configuration ioctl. Currently this involves wrapping it
1168 * up and feeding it into the nasty windowsalike glue layer.
1169 *
1170 * Bugs: Needs locking against parallel ioctls lower down
1171 * Bugs: Needs to handle hot plugging
1172 */
1173
1174 static long aac_cfg_ioctl(struct file *file,
1175 unsigned int cmd, unsigned long arg)
1176 {
1177 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1178
1179 if (!capable(CAP_SYS_RAWIO))
1180 return -EPERM;
1181
1182 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1183 }
1184
1185 #ifdef CONFIG_COMPAT
1186 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1187 {
1188 long ret;
1189 switch (cmd) {
1190 case FSACTL_MINIPORT_REV_CHECK:
1191 case FSACTL_SENDFIB:
1192 case FSACTL_OPEN_GET_ADAPTER_FIB:
1193 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1194 case FSACTL_SEND_RAW_SRB:
1195 case FSACTL_GET_PCI_INFO:
1196 case FSACTL_QUERY_DISK:
1197 case FSACTL_DELETE_DISK:
1198 case FSACTL_FORCE_DELETE_DISK:
1199 case FSACTL_GET_CONTAINERS:
1200 case FSACTL_SEND_LARGE_FIB:
1201 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1202 break;
1203
1204 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1205 struct fib_ioctl __user *f;
1206
1207 f = compat_alloc_user_space(sizeof(*f));
1208 ret = 0;
1209 if (clear_user(f, sizeof(*f)))
1210 ret = -EFAULT;
1211 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1212 ret = -EFAULT;
1213 if (!ret)
1214 ret = aac_do_ioctl(dev, cmd, f);
1215 break;
1216 }
1217
1218 default:
1219 ret = -ENOIOCTLCMD;
1220 break;
1221 }
1222 return ret;
1223 }
1224
1225 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1226 void __user *arg)
1227 {
1228 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1229 if (!capable(CAP_SYS_RAWIO))
1230 return -EPERM;
1231 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1232 }
1233
1234 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1235 {
1236 if (!capable(CAP_SYS_RAWIO))
1237 return -EPERM;
1238 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1239 }
1240 #endif
1241
1242 static ssize_t aac_show_model(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 int len;
1247
1248 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1249 char *cp = dev->supplement_adapter_info.adapter_type_text;
1250 while (*cp && *cp != ' ')
1251 ++cp;
1252 while (*cp == ' ')
1253 ++cp;
1254 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1255 } else
1256 len = snprintf(buf, PAGE_SIZE, "%s\n",
1257 aac_drivers[dev->cardtype].model);
1258 return len;
1259 }
1260
1261 static ssize_t aac_show_vendor(struct device *device,
1262 struct device_attribute *attr, char *buf)
1263 {
1264 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1265 struct aac_supplement_adapter_info *sup_adap_info;
1266 int len;
1267
1268 sup_adap_info = &dev->supplement_adapter_info;
1269 if (sup_adap_info->adapter_type_text[0]) {
1270 char *cp = sup_adap_info->adapter_type_text;
1271 while (*cp && *cp != ' ')
1272 ++cp;
1273 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1274 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1275 sup_adap_info->adapter_type_text);
1276 } else
1277 len = snprintf(buf, PAGE_SIZE, "%s\n",
1278 aac_drivers[dev->cardtype].vname);
1279 return len;
1280 }
1281
1282 static ssize_t aac_show_flags(struct device *cdev,
1283 struct device_attribute *attr, char *buf)
1284 {
1285 int len = 0;
1286 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1287
1288 if (nblank(dprintk(x)))
1289 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1290 #ifdef AAC_DETAILED_STATUS_INFO
1291 len += scnprintf(buf + len, PAGE_SIZE - len,
1292 "AAC_DETAILED_STATUS_INFO\n");
1293 #endif
1294 if (dev->raw_io_interface && dev->raw_io_64)
1295 len += scnprintf(buf + len, PAGE_SIZE - len,
1296 "SAI_READ_CAPACITY_16\n");
1297 if (dev->jbod)
1298 len += scnprintf(buf + len, PAGE_SIZE - len,
1299 "SUPPORTED_JBOD\n");
1300 if (dev->supplement_adapter_info.supported_options2 &
1301 AAC_OPTION_POWER_MANAGEMENT)
1302 len += scnprintf(buf + len, PAGE_SIZE - len,
1303 "SUPPORTED_POWER_MANAGEMENT\n");
1304 if (dev->msi)
1305 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1306 return len;
1307 }
1308
1309 static ssize_t aac_show_kernel_version(struct device *device,
1310 struct device_attribute *attr,
1311 char *buf)
1312 {
1313 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1314 int len, tmp;
1315
1316 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1317 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1318 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1319 le32_to_cpu(dev->adapter_info.kernelbuild));
1320 return len;
1321 }
1322
1323 static ssize_t aac_show_monitor_version(struct device *device,
1324 struct device_attribute *attr,
1325 char *buf)
1326 {
1327 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1328 int len, tmp;
1329
1330 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1331 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1332 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1333 le32_to_cpu(dev->adapter_info.monitorbuild));
1334 return len;
1335 }
1336
1337 static ssize_t aac_show_bios_version(struct device *device,
1338 struct device_attribute *attr,
1339 char *buf)
1340 {
1341 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1342 int len, tmp;
1343
1344 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1345 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1346 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1347 le32_to_cpu(dev->adapter_info.biosbuild));
1348 return len;
1349 }
1350
1351 static ssize_t aac_show_driver_version(struct device *device,
1352 struct device_attribute *attr,
1353 char *buf)
1354 {
1355 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1356 }
1357
1358 static ssize_t aac_show_serial_number(struct device *device,
1359 struct device_attribute *attr, char *buf)
1360 {
1361 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1362 int len = 0;
1363
1364 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1365 len = snprintf(buf, 16, "%06X\n",
1366 le32_to_cpu(dev->adapter_info.serial[0]));
1367 if (len &&
1368 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1369 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1370 buf, len-1))
1371 len = snprintf(buf, 16, "%.*s\n",
1372 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1373 dev->supplement_adapter_info.mfg_pcba_serial_no);
1374
1375 return min(len, 16);
1376 }
1377
1378 static ssize_t aac_show_max_channel(struct device *device,
1379 struct device_attribute *attr, char *buf)
1380 {
1381 return snprintf(buf, PAGE_SIZE, "%d\n",
1382 class_to_shost(device)->max_channel);
1383 }
1384
1385 static ssize_t aac_show_max_id(struct device *device,
1386 struct device_attribute *attr, char *buf)
1387 {
1388 return snprintf(buf, PAGE_SIZE, "%d\n",
1389 class_to_shost(device)->max_id);
1390 }
1391
1392 static ssize_t aac_store_reset_adapter(struct device *device,
1393 struct device_attribute *attr,
1394 const char *buf, size_t count)
1395 {
1396 int retval = -EACCES;
1397
1398 if (!capable(CAP_SYS_ADMIN))
1399 return retval;
1400
1401 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1402 buf[0] == '!', IOP_HWSOFT_RESET);
1403 if (retval >= 0)
1404 retval = count;
1405
1406 return retval;
1407 }
1408
1409 static ssize_t aac_show_reset_adapter(struct device *device,
1410 struct device_attribute *attr,
1411 char *buf)
1412 {
1413 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1414 int len, tmp;
1415
1416 tmp = aac_adapter_check_health(dev);
1417 if ((tmp == 0) && dev->in_reset)
1418 tmp = -EBUSY;
1419 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1420 return len;
1421 }
1422
1423 static struct device_attribute aac_model = {
1424 .attr = {
1425 .name = "model",
1426 .mode = S_IRUGO,
1427 },
1428 .show = aac_show_model,
1429 };
1430 static struct device_attribute aac_vendor = {
1431 .attr = {
1432 .name = "vendor",
1433 .mode = S_IRUGO,
1434 },
1435 .show = aac_show_vendor,
1436 };
1437 static struct device_attribute aac_flags = {
1438 .attr = {
1439 .name = "flags",
1440 .mode = S_IRUGO,
1441 },
1442 .show = aac_show_flags,
1443 };
1444 static struct device_attribute aac_kernel_version = {
1445 .attr = {
1446 .name = "hba_kernel_version",
1447 .mode = S_IRUGO,
1448 },
1449 .show = aac_show_kernel_version,
1450 };
1451 static struct device_attribute aac_monitor_version = {
1452 .attr = {
1453 .name = "hba_monitor_version",
1454 .mode = S_IRUGO,
1455 },
1456 .show = aac_show_monitor_version,
1457 };
1458 static struct device_attribute aac_bios_version = {
1459 .attr = {
1460 .name = "hba_bios_version",
1461 .mode = S_IRUGO,
1462 },
1463 .show = aac_show_bios_version,
1464 };
1465 static struct device_attribute aac_lld_version = {
1466 .attr = {
1467 .name = "driver_version",
1468 .mode = 0444,
1469 },
1470 .show = aac_show_driver_version,
1471 };
1472 static struct device_attribute aac_serial_number = {
1473 .attr = {
1474 .name = "serial_number",
1475 .mode = S_IRUGO,
1476 },
1477 .show = aac_show_serial_number,
1478 };
1479 static struct device_attribute aac_max_channel = {
1480 .attr = {
1481 .name = "max_channel",
1482 .mode = S_IRUGO,
1483 },
1484 .show = aac_show_max_channel,
1485 };
1486 static struct device_attribute aac_max_id = {
1487 .attr = {
1488 .name = "max_id",
1489 .mode = S_IRUGO,
1490 },
1491 .show = aac_show_max_id,
1492 };
1493 static struct device_attribute aac_reset = {
1494 .attr = {
1495 .name = "reset_host",
1496 .mode = S_IWUSR|S_IRUGO,
1497 },
1498 .store = aac_store_reset_adapter,
1499 .show = aac_show_reset_adapter,
1500 };
1501
1502 static struct device_attribute *aac_attrs[] = {
1503 &aac_model,
1504 &aac_vendor,
1505 &aac_flags,
1506 &aac_kernel_version,
1507 &aac_monitor_version,
1508 &aac_bios_version,
1509 &aac_lld_version,
1510 &aac_serial_number,
1511 &aac_max_channel,
1512 &aac_max_id,
1513 &aac_reset,
1514 NULL
1515 };
1516
1517 ssize_t aac_get_serial_number(struct device *device, char *buf)
1518 {
1519 return aac_show_serial_number(device, &aac_serial_number, buf);
1520 }
1521
1522 static const struct file_operations aac_cfg_fops = {
1523 .owner = THIS_MODULE,
1524 .unlocked_ioctl = aac_cfg_ioctl,
1525 #ifdef CONFIG_COMPAT
1526 .compat_ioctl = aac_compat_cfg_ioctl,
1527 #endif
1528 .open = aac_cfg_open,
1529 .llseek = noop_llseek,
1530 };
1531
1532 static struct scsi_host_template aac_driver_template = {
1533 .module = THIS_MODULE,
1534 .name = "AAC",
1535 .proc_name = AAC_DRIVERNAME,
1536 .info = aac_info,
1537 .ioctl = aac_ioctl,
1538 #ifdef CONFIG_COMPAT
1539 .compat_ioctl = aac_compat_ioctl,
1540 #endif
1541 .queuecommand = aac_queuecommand,
1542 .bios_param = aac_biosparm,
1543 .shost_attrs = aac_attrs,
1544 .slave_configure = aac_slave_configure,
1545 .change_queue_depth = aac_change_queue_depth,
1546 .sdev_attrs = aac_dev_attrs,
1547 .eh_abort_handler = aac_eh_abort,
1548 .eh_device_reset_handler = aac_eh_dev_reset,
1549 .eh_target_reset_handler = aac_eh_target_reset,
1550 .eh_bus_reset_handler = aac_eh_bus_reset,
1551 .eh_host_reset_handler = aac_eh_host_reset,
1552 .can_queue = AAC_NUM_IO_FIB,
1553 .this_id = MAXIMUM_NUM_CONTAINERS,
1554 .sg_tablesize = 16,
1555 .max_sectors = 128,
1556 #if (AAC_NUM_IO_FIB > 256)
1557 .cmd_per_lun = 256,
1558 #else
1559 .cmd_per_lun = AAC_NUM_IO_FIB,
1560 #endif
1561 .emulated = 1,
1562 .no_write_same = 1,
1563 };
1564
1565 static void __aac_shutdown(struct aac_dev * aac)
1566 {
1567 int i;
1568
1569 mutex_lock(&aac->ioctl_mutex);
1570 aac->adapter_shutdown = 1;
1571 mutex_unlock(&aac->ioctl_mutex);
1572
1573 if (aac->aif_thread) {
1574 int i;
1575 /* Clear out events first */
1576 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1577 struct fib *fib = &aac->fibs[i];
1578 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1579 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1580 complete(&fib->event_wait);
1581 }
1582 kthread_stop(aac->thread);
1583 aac->thread = NULL;
1584 }
1585
1586 aac_send_shutdown(aac);
1587
1588 aac_adapter_disable_int(aac);
1589
1590 if (aac_is_src(aac)) {
1591 if (aac->max_msix > 1) {
1592 for (i = 0; i < aac->max_msix; i++) {
1593 free_irq(pci_irq_vector(aac->pdev, i),
1594 &(aac->aac_msix[i]));
1595 }
1596 } else {
1597 free_irq(aac->pdev->irq,
1598 &(aac->aac_msix[0]));
1599 }
1600 } else {
1601 free_irq(aac->pdev->irq, aac);
1602 }
1603 if (aac->msi)
1604 pci_disable_msi(aac->pdev);
1605 else if (aac->max_msix > 1)
1606 pci_disable_msix(aac->pdev);
1607 }
1608 static void aac_init_char(void)
1609 {
1610 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1611 if (aac_cfg_major < 0) {
1612 pr_err("aacraid: unable to register \"aac\" device.\n");
1613 }
1614 }
1615
1616 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1617 {
1618 /*
1619 * Firmware may send a AIF messages very early and the Driver may have
1620 * ignored as it is not fully ready to process the messages. Send
1621 * AIF to firmware so that if there are any unprocessed events they
1622 * can be processed now.
1623 */
1624 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1625 aac_intr_normal(aac, 0, 2, 0, NULL);
1626
1627 }
1628
1629 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1630 {
1631 unsigned index = id->driver_data;
1632 struct Scsi_Host *shost;
1633 struct aac_dev *aac;
1634 struct list_head *insert = &aac_devices;
1635 int error = -ENODEV;
1636 int unique_id = 0;
1637 u64 dmamask;
1638 int mask_bits = 0;
1639 extern int aac_sync_mode;
1640
1641 /*
1642 * Only series 7 needs freset.
1643 */
1644 if (pdev->device == PMC_DEVICE_S7)
1645 pdev->needs_freset = 1;
1646
1647 list_for_each_entry(aac, &aac_devices, entry) {
1648 if (aac->id > unique_id)
1649 break;
1650 insert = &aac->entry;
1651 unique_id++;
1652 }
1653
1654 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1655 PCIE_LINK_STATE_CLKPM);
1656
1657 error = pci_enable_device(pdev);
1658 if (error)
1659 goto out;
1660 error = -ENODEV;
1661
1662 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1663 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1664 if (error) {
1665 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1666 goto out_disable_pdev;
1667 }
1668 }
1669
1670 /*
1671 * If the quirk31 bit is set, the adapter needs adapter
1672 * to driver communication memory to be allocated below 2gig
1673 */
1674 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1675 dmamask = DMA_BIT_MASK(31);
1676 mask_bits = 31;
1677 } else {
1678 dmamask = DMA_BIT_MASK(32);
1679 mask_bits = 32;
1680 }
1681
1682 error = pci_set_consistent_dma_mask(pdev, dmamask);
1683 if (error) {
1684 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1685 , mask_bits);
1686 goto out_disable_pdev;
1687 }
1688
1689 pci_set_master(pdev);
1690
1691 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1692 if (!shost)
1693 goto out_disable_pdev;
1694
1695 shost->irq = pdev->irq;
1696 shost->unique_id = unique_id;
1697 shost->max_cmd_len = 16;
1698
1699 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1700 aac_init_char();
1701
1702 aac = (struct aac_dev *)shost->hostdata;
1703 aac->base_start = pci_resource_start(pdev, 0);
1704 aac->scsi_host_ptr = shost;
1705 aac->pdev = pdev;
1706 aac->name = aac_driver_template.name;
1707 aac->id = shost->unique_id;
1708 aac->cardtype = index;
1709 INIT_LIST_HEAD(&aac->entry);
1710
1711 if (aac_reset_devices || reset_devices)
1712 aac->init_reset = true;
1713
1714 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1715 sizeof(struct fib),
1716 GFP_KERNEL);
1717 if (!aac->fibs)
1718 goto out_free_host;
1719 spin_lock_init(&aac->fib_lock);
1720
1721 mutex_init(&aac->ioctl_mutex);
1722 mutex_init(&aac->scan_mutex);
1723
1724 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1725 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1726 aac_src_reinit_aif_worker);
1727 /*
1728 * Map in the registers from the adapter.
1729 */
1730 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1731 if ((*aac_drivers[index].init)(aac)) {
1732 error = -ENODEV;
1733 goto out_unmap;
1734 }
1735
1736 if (aac->sync_mode) {
1737 if (aac_sync_mode)
1738 printk(KERN_INFO "%s%d: Sync. mode enforced "
1739 "by driver parameter. This will cause "
1740 "a significant performance decrease!\n",
1741 aac->name,
1742 aac->id);
1743 else
1744 printk(KERN_INFO "%s%d: Async. mode not supported "
1745 "by current driver, sync. mode enforced."
1746 "\nPlease update driver to get full performance.\n",
1747 aac->name,
1748 aac->id);
1749 }
1750
1751 /*
1752 * Start any kernel threads needed
1753 */
1754 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1755 if (IS_ERR(aac->thread)) {
1756 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1757 error = PTR_ERR(aac->thread);
1758 aac->thread = NULL;
1759 goto out_deinit;
1760 }
1761
1762 aac->maximum_num_channels = aac_drivers[index].channels;
1763 error = aac_get_adapter_info(aac);
1764 if (error < 0)
1765 goto out_deinit;
1766
1767 /*
1768 * Lets override negotiations and drop the maximum SG limit to 34
1769 */
1770 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1771 (shost->sg_tablesize > 34)) {
1772 shost->sg_tablesize = 34;
1773 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1774 }
1775
1776 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1777 (shost->sg_tablesize > 17)) {
1778 shost->sg_tablesize = 17;
1779 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1780 }
1781
1782 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1783 shost->max_segment_size = shost->max_sectors << 9;
1784 else
1785 shost->max_segment_size = 65536;
1786
1787 /*
1788 * Firmware printf works only with older firmware.
1789 */
1790 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1791 aac->printf_enabled = 1;
1792 else
1793 aac->printf_enabled = 0;
1794
1795 /*
1796 * max channel will be the physical channels plus 1 virtual channel
1797 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1798 * physical channels are address by their actual physical number+1
1799 */
1800 if (aac->nondasd_support || expose_physicals || aac->jbod)
1801 shost->max_channel = aac->maximum_num_channels;
1802 else
1803 shost->max_channel = 0;
1804
1805 aac_get_config_status(aac, 0);
1806 aac_get_containers(aac);
1807 list_add(&aac->entry, insert);
1808
1809 shost->max_id = aac->maximum_num_containers;
1810 if (shost->max_id < aac->maximum_num_physicals)
1811 shost->max_id = aac->maximum_num_physicals;
1812 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1813 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1814 else
1815 shost->this_id = shost->max_id;
1816
1817 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1818 aac_intr_normal(aac, 0, 2, 0, NULL);
1819
1820 /*
1821 * dmb - we may need to move the setting of these parms somewhere else once
1822 * we get a fib that can report the actual numbers
1823 */
1824 shost->max_lun = AAC_MAX_LUN;
1825
1826 pci_set_drvdata(pdev, shost);
1827
1828 error = scsi_add_host(shost, &pdev->dev);
1829 if (error)
1830 goto out_deinit;
1831
1832 aac_scan_host(aac);
1833
1834 pci_enable_pcie_error_reporting(pdev);
1835 pci_save_state(pdev);
1836
1837 return 0;
1838
1839 out_deinit:
1840 __aac_shutdown(aac);
1841 out_unmap:
1842 aac_fib_map_free(aac);
1843 if (aac->comm_addr)
1844 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1845 aac->comm_addr, aac->comm_phys);
1846 kfree(aac->queues);
1847 aac_adapter_ioremap(aac, 0);
1848 kfree(aac->fibs);
1849 kfree(aac->fsa_dev);
1850 out_free_host:
1851 scsi_host_put(shost);
1852 out_disable_pdev:
1853 pci_disable_device(pdev);
1854 out:
1855 return error;
1856 }
1857
1858 static void aac_release_resources(struct aac_dev *aac)
1859 {
1860 aac_adapter_disable_int(aac);
1861 aac_free_irq(aac);
1862 }
1863
1864 static int aac_acquire_resources(struct aac_dev *dev)
1865 {
1866 unsigned long status;
1867 /*
1868 * First clear out all interrupts. Then enable the one's that we
1869 * can handle.
1870 */
1871 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1872 || status == 0xffffffff)
1873 msleep(20);
1874
1875 aac_adapter_disable_int(dev);
1876 aac_adapter_enable_int(dev);
1877
1878
1879 if (aac_is_src(dev))
1880 aac_define_int_mode(dev);
1881
1882 if (dev->msi_enabled)
1883 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1884
1885 if (aac_acquire_irq(dev))
1886 goto error_iounmap;
1887
1888 aac_adapter_enable_int(dev);
1889
1890 /*max msix may change after EEH
1891 * Re-assign vectors to fibs
1892 */
1893 aac_fib_vector_assign(dev);
1894
1895 if (!dev->sync_mode) {
1896 /* After EEH recovery or suspend resume, max_msix count
1897 * may change, therefore updating in init as well.
1898 */
1899 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1900 aac_adapter_start(dev);
1901 }
1902 return 0;
1903
1904 error_iounmap:
1905 return -1;
1906
1907 }
1908
1909 #if (defined(CONFIG_PM))
1910 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1911 {
1912
1913 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1914 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1915
1916 scsi_host_block(shost);
1917 aac_cancel_rescan_worker(aac);
1918 aac_send_shutdown(aac);
1919
1920 aac_release_resources(aac);
1921
1922 pci_set_drvdata(pdev, shost);
1923 pci_save_state(pdev);
1924 pci_disable_device(pdev);
1925 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1926
1927 return 0;
1928 }
1929
1930 static int aac_resume(struct pci_dev *pdev)
1931 {
1932 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1933 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1934 int r;
1935
1936 pci_set_power_state(pdev, PCI_D0);
1937 pci_enable_wake(pdev, PCI_D0, 0);
1938 pci_restore_state(pdev);
1939 r = pci_enable_device(pdev);
1940
1941 if (r)
1942 goto fail_device;
1943
1944 pci_set_master(pdev);
1945 if (aac_acquire_resources(aac))
1946 goto fail_device;
1947 /*
1948 * reset this flag to unblock ioctl() as it was set at
1949 * aac_send_shutdown() to block ioctls from upperlayer
1950 */
1951 aac->adapter_shutdown = 0;
1952 scsi_host_unblock(shost, SDEV_RUNNING);
1953
1954 return 0;
1955
1956 fail_device:
1957 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1958 scsi_host_put(shost);
1959 pci_disable_device(pdev);
1960 return -ENODEV;
1961 }
1962 #endif
1963
1964 static void aac_shutdown(struct pci_dev *dev)
1965 {
1966 struct Scsi_Host *shost = pci_get_drvdata(dev);
1967
1968 scsi_host_block(shost);
1969 __aac_shutdown((struct aac_dev *)shost->hostdata);
1970 }
1971
1972 static void aac_remove_one(struct pci_dev *pdev)
1973 {
1974 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1975 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1976
1977 aac_cancel_rescan_worker(aac);
1978 scsi_remove_host(shost);
1979
1980 __aac_shutdown(aac);
1981 aac_fib_map_free(aac);
1982 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1983 aac->comm_phys);
1984 kfree(aac->queues);
1985
1986 aac_adapter_ioremap(aac, 0);
1987
1988 kfree(aac->fibs);
1989 kfree(aac->fsa_dev);
1990
1991 list_del(&aac->entry);
1992 scsi_host_put(shost);
1993 pci_disable_device(pdev);
1994 if (list_empty(&aac_devices)) {
1995 unregister_chrdev(aac_cfg_major, "aac");
1996 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
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_host_block(shost);
2015 aac_cancel_rescan_worker(aac);
2016 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
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 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
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 aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2068
2069 if (aac_adapter_ioremap(aac, aac->base_size)) {
2070
2071 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2072 /* remap failed, go back ... */
2073 aac->comm_interface = AAC_COMM_PRODUCER;
2074 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2075 dev_warn(&pdev->dev,
2076 "aacraid: unable to map adapter.\n");
2077
2078 return;
2079 }
2080 }
2081
2082 msleep(10000);
2083
2084 aac_acquire_resources(aac);
2085
2086 /*
2087 * reset this flag to unblock ioctl() as it was set
2088 * at aac_send_shutdown() to block ioctls from upperlayer
2089 */
2090 aac->adapter_shutdown = 0;
2091 aac->handle_pci_error = 0;
2092
2093 scsi_host_unblock(shost, SDEV_RUNNING);
2094 aac_scan_host(aac);
2095 pci_save_state(pdev);
2096
2097 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2098 }
2099
2100 static struct pci_error_handlers aac_pci_err_handler = {
2101 .error_detected = aac_pci_error_detected,
2102 .mmio_enabled = aac_pci_mmio_enabled,
2103 .slot_reset = aac_pci_slot_reset,
2104 .resume = aac_pci_resume,
2105 };
2106
2107 static struct pci_driver aac_pci_driver = {
2108 .name = AAC_DRIVERNAME,
2109 .id_table = aac_pci_tbl,
2110 .probe = aac_probe_one,
2111 .remove = aac_remove_one,
2112 #if (defined(CONFIG_PM))
2113 .suspend = aac_suspend,
2114 .resume = aac_resume,
2115 #endif
2116 .shutdown = aac_shutdown,
2117 .err_handler = &aac_pci_err_handler,
2118 };
2119
2120 static int __init aac_init(void)
2121 {
2122 int error;
2123
2124 printk(KERN_INFO "Adaptec %s driver %s\n",
2125 AAC_DRIVERNAME, aac_driver_version);
2126
2127 error = pci_register_driver(&aac_pci_driver);
2128 if (error < 0)
2129 return error;
2130
2131 aac_init_char();
2132
2133
2134 return 0;
2135 }
2136
2137 static void __exit aac_exit(void)
2138 {
2139 if (aac_cfg_major > -1)
2140 unregister_chrdev(aac_cfg_major, "aac");
2141 pci_unregister_driver(&aac_pci_driver);
2142 }
2143
2144 module_init(aac_init);
2145 module_exit(aac_exit);
Linux with added FPC-III support