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[deliverable/linux.git] / drivers / scsi / aacraid / linit.c
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/smp_lock.h>
42 #include <linux/spinlock.h>
43 #include <linux/syscalls.h>
44 #include <linux/delay.h>
45 #include <linux/kthread.h>
46
47 #include <scsi/scsi.h>
48 #include <scsi/scsi_cmnd.h>
49 #include <scsi/scsi_device.h>
50 #include <scsi/scsi_host.h>
51 #include <scsi/scsi_tcq.h>
52 #include <scsi/scsicam.h>
53 #include <scsi/scsi_eh.h>
54
55 #include "aacraid.h"
56
57 #define AAC_DRIVER_VERSION "1.1-5"
58 #ifndef AAC_DRIVER_BRANCH
59 #define AAC_DRIVER_BRANCH ""
60 #endif
61 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
62 #define AAC_DRIVERNAME "aacraid"
63
64 #ifdef AAC_DRIVER_BUILD
65 #define _str(x) #x
66 #define str(x) _str(x)
67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
68 #else
69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
70 #endif
71
72 MODULE_AUTHOR("Red Hat Inc and Adaptec");
73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74 "Adaptec Advanced Raid Products, "
75 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
78
79 static LIST_HEAD(aac_devices);
80 static int aac_cfg_major = -1;
81 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
82
83 /*
84 * Because of the way Linux names scsi devices, the order in this table has
85 * become important. Check for on-board Raid first, add-in cards second.
86 *
87 * Note: The last field is used to index into aac_drivers below.
88 */
89 #ifdef DECLARE_PCI_DEVICE_TABLE
90 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
91 #elif defined(__devinitconst)
92 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
93 #else
94 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
95 #endif
96 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
97 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
98 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
99 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
100 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
101 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
102 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
103 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
104 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
105 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
106 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
107 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
108 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
109 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
110 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
111 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
112
113 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
114 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
115 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
116 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
117 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
118 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
120 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
121 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
122 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
125 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
126 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
127 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
128 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
129 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
130 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
131 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
132 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
133 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
134 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
135 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
136 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
137 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
138 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
139 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
140 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
141 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
142 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
143 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
144 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
145 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
146 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
147 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
148 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
149 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
150 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
151
152 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
153 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
154 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
155 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
156 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
157
158 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
159 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
160 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
161 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
162 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
163 { 0,}
164 };
165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
166
167 /*
168 * dmb - For now we add the number of channels to this structure.
169 * In the future we should add a fib that reports the number of channels
170 * for the card. At that time we can remove the channels from here
171 */
172 static struct aac_driver_ident aac_drivers[] = {
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
187 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
189
190 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
204 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
206 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
207 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
208 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
212 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
219 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
220 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
225 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
226
227 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
228 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
231 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
232
233 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
234 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
235 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
236 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
237 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
238 };
239
240 /**
241 * aac_queuecommand - queue a SCSI command
242 * @cmd: SCSI command to queue
243 * @done: Function to call on command completion
244 *
245 * Queues a command for execution by the associated Host Adapter.
246 *
247 * TODO: unify with aac_scsi_cmd().
248 */
249
250 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
251 {
252 struct Scsi_Host *host = cmd->device->host;
253 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
254 u32 count = 0;
255 cmd->scsi_done = done;
256 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
257 struct fib * fib = &dev->fibs[count];
258 struct scsi_cmnd * command;
259 if (fib->hw_fib_va->header.XferState &&
260 ((command = fib->callback_data)) &&
261 (command == cmd) &&
262 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
263 return 0; /* Already owned by Adapter */
264 }
265 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
266 return (aac_scsi_cmd(cmd) ? FAILED : 0);
267 }
268
269 /**
270 * aac_info - Returns the host adapter name
271 * @shost: Scsi host to report on
272 *
273 * Returns a static string describing the device in question
274 */
275
276 static const char *aac_info(struct Scsi_Host *shost)
277 {
278 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
279 return aac_drivers[dev->cardtype].name;
280 }
281
282 /**
283 * aac_get_driver_ident
284 * @devtype: index into lookup table
285 *
286 * Returns a pointer to the entry in the driver lookup table.
287 */
288
289 struct aac_driver_ident* aac_get_driver_ident(int devtype)
290 {
291 return &aac_drivers[devtype];
292 }
293
294 /**
295 * aac_biosparm - return BIOS parameters for disk
296 * @sdev: The scsi device corresponding to the disk
297 * @bdev: the block device corresponding to the disk
298 * @capacity: the sector capacity of the disk
299 * @geom: geometry block to fill in
300 *
301 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
302 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
303 * number of cylinders so as not to exceed drive capacity. In order for
304 * disks equal to or larger than 1 GB to be addressable by the BIOS
305 * without exceeding the BIOS limitation of 1024 cylinders, Extended
306 * Translation should be enabled. With Extended Translation enabled,
307 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
308 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
309 * are given a disk geometry of 255 heads and 63 sectors. However, if
310 * the BIOS detects that the Extended Translation setting does not match
311 * the geometry in the partition table, then the translation inferred
312 * from the partition table will be used by the BIOS, and a warning may
313 * be displayed.
314 */
315
316 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
317 sector_t capacity, int *geom)
318 {
319 struct diskparm *param = (struct diskparm *)geom;
320 unsigned char *buf;
321
322 dprintk((KERN_DEBUG "aac_biosparm.\n"));
323
324 /*
325 * Assuming extended translation is enabled - #REVISIT#
326 */
327 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
328 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
329 param->heads = 255;
330 param->sectors = 63;
331 } else {
332 param->heads = 128;
333 param->sectors = 32;
334 }
335 } else {
336 param->heads = 64;
337 param->sectors = 32;
338 }
339
340 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
341
342 /*
343 * Read the first 1024 bytes from the disk device, if the boot
344 * sector partition table is valid, search for a partition table
345 * entry whose end_head matches one of the standard geometry
346 * translations ( 64/32, 128/32, 255/63 ).
347 */
348 buf = scsi_bios_ptable(bdev);
349 if (!buf)
350 return 0;
351 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
352 struct partition *first = (struct partition * )buf;
353 struct partition *entry = first;
354 int saved_cylinders = param->cylinders;
355 int num;
356 unsigned char end_head, end_sec;
357
358 for(num = 0; num < 4; num++) {
359 end_head = entry->end_head;
360 end_sec = entry->end_sector & 0x3f;
361
362 if(end_head == 63) {
363 param->heads = 64;
364 param->sectors = 32;
365 break;
366 } else if(end_head == 127) {
367 param->heads = 128;
368 param->sectors = 32;
369 break;
370 } else if(end_head == 254) {
371 param->heads = 255;
372 param->sectors = 63;
373 break;
374 }
375 entry++;
376 }
377
378 if (num == 4) {
379 end_head = first->end_head;
380 end_sec = first->end_sector & 0x3f;
381 }
382
383 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
384 if (num < 4 && end_sec == param->sectors) {
385 if (param->cylinders != saved_cylinders)
386 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
387 param->heads, param->sectors, num));
388 } else if (end_head > 0 || end_sec > 0) {
389 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
390 end_head + 1, end_sec, num));
391 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
392 param->heads, param->sectors));
393 }
394 }
395 kfree(buf);
396 return 0;
397 }
398
399 /**
400 * aac_slave_configure - compute queue depths
401 * @sdev: SCSI device we are considering
402 *
403 * Selects queue depths for each target device based on the host adapter's
404 * total capacity and the queue depth supported by the target device.
405 * A queue depth of one automatically disables tagged queueing.
406 */
407
408 static int aac_slave_configure(struct scsi_device *sdev)
409 {
410 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
411 if (aac->jbod && (sdev->type == TYPE_DISK))
412 sdev->removable = 1;
413 if ((sdev->type == TYPE_DISK) &&
414 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
415 (!aac->jbod || sdev->inq_periph_qual) &&
416 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
417 if (expose_physicals == 0)
418 return -ENXIO;
419 if (expose_physicals < 0)
420 sdev->no_uld_attach = 1;
421 }
422 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
423 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
424 !sdev->no_uld_attach) {
425 struct scsi_device * dev;
426 struct Scsi_Host *host = sdev->host;
427 unsigned num_lsu = 0;
428 unsigned num_one = 0;
429 unsigned depth;
430 unsigned cid;
431
432 /*
433 * Firmware has an individual device recovery time typically
434 * of 35 seconds, give us a margin.
435 */
436 if (sdev->request_queue->rq_timeout < (45 * HZ))
437 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
438 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
439 if (aac->fsa_dev[cid].valid)
440 ++num_lsu;
441 __shost_for_each_device(dev, host) {
442 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
443 (!aac->raid_scsi_mode ||
444 (sdev_channel(sdev) != 2)) &&
445 !dev->no_uld_attach) {
446 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
447 || !aac->fsa_dev[sdev_id(dev)].valid)
448 ++num_lsu;
449 } else
450 ++num_one;
451 }
452 if (num_lsu == 0)
453 ++num_lsu;
454 depth = (host->can_queue - num_one) / num_lsu;
455 if (depth > 256)
456 depth = 256;
457 else if (depth < 2)
458 depth = 2;
459 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
460 } else
461 scsi_adjust_queue_depth(sdev, 0, 1);
462
463 return 0;
464 }
465
466 /**
467 * aac_change_queue_depth - alter queue depths
468 * @sdev: SCSI device we are considering
469 * @depth: desired queue depth
470 *
471 * Alters queue depths for target device based on the host adapter's
472 * total capacity and the queue depth supported by the target device.
473 */
474
475 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
476 int reason)
477 {
478 if (reason != SCSI_QDEPTH_DEFAULT)
479 return -EOPNOTSUPP;
480
481 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
482 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
483 struct scsi_device * dev;
484 struct Scsi_Host *host = sdev->host;
485 unsigned num = 0;
486
487 __shost_for_each_device(dev, host) {
488 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
489 (sdev_channel(dev) == CONTAINER_CHANNEL))
490 ++num;
491 ++num;
492 }
493 if (num >= host->can_queue)
494 num = host->can_queue - 1;
495 if (depth > (host->can_queue - num))
496 depth = host->can_queue - num;
497 if (depth > 256)
498 depth = 256;
499 else if (depth < 2)
500 depth = 2;
501 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
502 } else
503 scsi_adjust_queue_depth(sdev, 0, 1);
504 return sdev->queue_depth;
505 }
506
507 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
508 {
509 struct scsi_device *sdev = to_scsi_device(dev);
510 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
511 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
512 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
513 ? "Hidden\n" :
514 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
515 return snprintf(buf, PAGE_SIZE, "%s\n",
516 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
517 }
518
519 static struct device_attribute aac_raid_level_attr = {
520 .attr = {
521 .name = "level",
522 .mode = S_IRUGO,
523 },
524 .show = aac_show_raid_level
525 };
526
527 static struct device_attribute *aac_dev_attrs[] = {
528 &aac_raid_level_attr,
529 NULL,
530 };
531
532 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
533 {
534 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
535 if (!capable(CAP_SYS_RAWIO))
536 return -EPERM;
537 return aac_do_ioctl(dev, cmd, arg);
538 }
539
540 static int aac_eh_abort(struct scsi_cmnd* cmd)
541 {
542 struct scsi_device * dev = cmd->device;
543 struct Scsi_Host * host = dev->host;
544 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
545 int count;
546 int ret = FAILED;
547
548 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
549 AAC_DRIVERNAME,
550 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
551 switch (cmd->cmnd[0]) {
552 case SERVICE_ACTION_IN:
553 if (!(aac->raw_io_interface) ||
554 !(aac->raw_io_64) ||
555 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
556 break;
557 case INQUIRY:
558 case READ_CAPACITY:
559 /* Mark associated FIB to not complete, eh handler does this */
560 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
561 struct fib * fib = &aac->fibs[count];
562 if (fib->hw_fib_va->header.XferState &&
563 (fib->flags & FIB_CONTEXT_FLAG) &&
564 (fib->callback_data == cmd)) {
565 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
566 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
567 ret = SUCCESS;
568 }
569 }
570 break;
571 case TEST_UNIT_READY:
572 /* Mark associated FIB to not complete, eh handler does this */
573 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
574 struct scsi_cmnd * command;
575 struct fib * fib = &aac->fibs[count];
576 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
577 (fib->flags & FIB_CONTEXT_FLAG) &&
578 ((command = fib->callback_data)) &&
579 (command->device == cmd->device)) {
580 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
581 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
582 if (command == cmd)
583 ret = SUCCESS;
584 }
585 }
586 }
587 return ret;
588 }
589
590 /*
591 * aac_eh_reset - Reset command handling
592 * @scsi_cmd: SCSI command block causing the reset
593 *
594 */
595 static int aac_eh_reset(struct scsi_cmnd* cmd)
596 {
597 struct scsi_device * dev = cmd->device;
598 struct Scsi_Host * host = dev->host;
599 struct scsi_cmnd * command;
600 int count;
601 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
602 unsigned long flags;
603
604 /* Mark the associated FIB to not complete, eh handler does this */
605 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
606 struct fib * fib = &aac->fibs[count];
607 if (fib->hw_fib_va->header.XferState &&
608 (fib->flags & FIB_CONTEXT_FLAG) &&
609 (fib->callback_data == cmd)) {
610 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
611 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
612 }
613 }
614 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
615 AAC_DRIVERNAME);
616
617 if ((count = aac_check_health(aac)))
618 return count;
619 /*
620 * Wait for all commands to complete to this specific
621 * target (block maximum 60 seconds).
622 */
623 for (count = 60; count; --count) {
624 int active = aac->in_reset;
625
626 if (active == 0)
627 __shost_for_each_device(dev, host) {
628 spin_lock_irqsave(&dev->list_lock, flags);
629 list_for_each_entry(command, &dev->cmd_list, list) {
630 if ((command != cmd) &&
631 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
632 active++;
633 break;
634 }
635 }
636 spin_unlock_irqrestore(&dev->list_lock, flags);
637 if (active)
638 break;
639
640 }
641 /*
642 * We can exit If all the commands are complete
643 */
644 if (active == 0)
645 return SUCCESS;
646 ssleep(1);
647 }
648 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
649 /*
650 * This adapter needs a blind reset, only do so for Adapters that
651 * support a register, instead of a commanded, reset.
652 */
653 if ((aac->supplement_adapter_info.SupportedOptions2 &
654 AAC_OPTION_MU_RESET) &&
655 aac_check_reset &&
656 ((aac_check_reset != 1) ||
657 !(aac->supplement_adapter_info.SupportedOptions2 &
658 AAC_OPTION_IGNORE_RESET)))
659 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
660 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
661 }
662
663 /**
664 * aac_cfg_open - open a configuration file
665 * @inode: inode being opened
666 * @file: file handle attached
667 *
668 * Called when the configuration device is opened. Does the needed
669 * set up on the handle and then returns
670 *
671 * Bugs: This needs extending to check a given adapter is present
672 * so we can support hot plugging, and to ref count adapters.
673 */
674
675 static int aac_cfg_open(struct inode *inode, struct file *file)
676 {
677 struct aac_dev *aac;
678 unsigned minor_number = iminor(inode);
679 int err = -ENODEV;
680
681 lock_kernel(); /* BKL pushdown: nothing else protects this list */
682 list_for_each_entry(aac, &aac_devices, entry) {
683 if (aac->id == minor_number) {
684 file->private_data = aac;
685 err = 0;
686 break;
687 }
688 }
689 unlock_kernel();
690
691 return err;
692 }
693
694 /**
695 * aac_cfg_ioctl - AAC configuration request
696 * @inode: inode of device
697 * @file: file handle
698 * @cmd: ioctl command code
699 * @arg: argument
700 *
701 * Handles a configuration ioctl. Currently this involves wrapping it
702 * up and feeding it into the nasty windowsalike glue layer.
703 *
704 * Bugs: Needs locking against parallel ioctls lower down
705 * Bugs: Needs to handle hot plugging
706 */
707
708 static long aac_cfg_ioctl(struct file *file,
709 unsigned int cmd, unsigned long arg)
710 {
711 int ret;
712 if (!capable(CAP_SYS_RAWIO))
713 return -EPERM;
714 lock_kernel();
715 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
716 unlock_kernel();
717
718 return ret;
719 }
720
721 #ifdef CONFIG_COMPAT
722 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
723 {
724 long ret;
725 lock_kernel();
726 switch (cmd) {
727 case FSACTL_MINIPORT_REV_CHECK:
728 case FSACTL_SENDFIB:
729 case FSACTL_OPEN_GET_ADAPTER_FIB:
730 case FSACTL_CLOSE_GET_ADAPTER_FIB:
731 case FSACTL_SEND_RAW_SRB:
732 case FSACTL_GET_PCI_INFO:
733 case FSACTL_QUERY_DISK:
734 case FSACTL_DELETE_DISK:
735 case FSACTL_FORCE_DELETE_DISK:
736 case FSACTL_GET_CONTAINERS:
737 case FSACTL_SEND_LARGE_FIB:
738 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
739 break;
740
741 case FSACTL_GET_NEXT_ADAPTER_FIB: {
742 struct fib_ioctl __user *f;
743
744 f = compat_alloc_user_space(sizeof(*f));
745 ret = 0;
746 if (clear_user(f, sizeof(*f)))
747 ret = -EFAULT;
748 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
749 ret = -EFAULT;
750 if (!ret)
751 ret = aac_do_ioctl(dev, cmd, f);
752 break;
753 }
754
755 default:
756 ret = -ENOIOCTLCMD;
757 break;
758 }
759 unlock_kernel();
760 return ret;
761 }
762
763 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
764 {
765 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
766 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
767 }
768
769 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
770 {
771 if (!capable(CAP_SYS_RAWIO))
772 return -EPERM;
773 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
774 }
775 #endif
776
777 static ssize_t aac_show_model(struct device *device,
778 struct device_attribute *attr, char *buf)
779 {
780 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
781 int len;
782
783 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
784 char * cp = dev->supplement_adapter_info.AdapterTypeText;
785 while (*cp && *cp != ' ')
786 ++cp;
787 while (*cp == ' ')
788 ++cp;
789 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
790 } else
791 len = snprintf(buf, PAGE_SIZE, "%s\n",
792 aac_drivers[dev->cardtype].model);
793 return len;
794 }
795
796 static ssize_t aac_show_vendor(struct device *device,
797 struct device_attribute *attr, char *buf)
798 {
799 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
800 int len;
801
802 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
803 char * cp = dev->supplement_adapter_info.AdapterTypeText;
804 while (*cp && *cp != ' ')
805 ++cp;
806 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
807 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
808 dev->supplement_adapter_info.AdapterTypeText);
809 } else
810 len = snprintf(buf, PAGE_SIZE, "%s\n",
811 aac_drivers[dev->cardtype].vname);
812 return len;
813 }
814
815 static ssize_t aac_show_flags(struct device *cdev,
816 struct device_attribute *attr, char *buf)
817 {
818 int len = 0;
819 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
820
821 if (nblank(dprintk(x)))
822 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
823 #ifdef AAC_DETAILED_STATUS_INFO
824 len += snprintf(buf + len, PAGE_SIZE - len,
825 "AAC_DETAILED_STATUS_INFO\n");
826 #endif
827 if (dev->raw_io_interface && dev->raw_io_64)
828 len += snprintf(buf + len, PAGE_SIZE - len,
829 "SAI_READ_CAPACITY_16\n");
830 if (dev->jbod)
831 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
832 if (dev->supplement_adapter_info.SupportedOptions2 &
833 AAC_OPTION_POWER_MANAGEMENT)
834 len += snprintf(buf + len, PAGE_SIZE - len,
835 "SUPPORTED_POWER_MANAGEMENT\n");
836 if (dev->msi)
837 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
838 return len;
839 }
840
841 static ssize_t aac_show_kernel_version(struct device *device,
842 struct device_attribute *attr,
843 char *buf)
844 {
845 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
846 int len, tmp;
847
848 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
849 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
850 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
851 le32_to_cpu(dev->adapter_info.kernelbuild));
852 return len;
853 }
854
855 static ssize_t aac_show_monitor_version(struct device *device,
856 struct device_attribute *attr,
857 char *buf)
858 {
859 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
860 int len, tmp;
861
862 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
863 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
864 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
865 le32_to_cpu(dev->adapter_info.monitorbuild));
866 return len;
867 }
868
869 static ssize_t aac_show_bios_version(struct device *device,
870 struct device_attribute *attr,
871 char *buf)
872 {
873 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
874 int len, tmp;
875
876 tmp = le32_to_cpu(dev->adapter_info.biosrev);
877 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
878 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
879 le32_to_cpu(dev->adapter_info.biosbuild));
880 return len;
881 }
882
883 static ssize_t aac_show_serial_number(struct device *device,
884 struct device_attribute *attr, char *buf)
885 {
886 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
887 int len = 0;
888
889 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
890 len = snprintf(buf, PAGE_SIZE, "%06X\n",
891 le32_to_cpu(dev->adapter_info.serial[0]));
892 if (len &&
893 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
894 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
895 buf, len-1))
896 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
897 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
898 dev->supplement_adapter_info.MfgPcbaSerialNo);
899 return len;
900 }
901
902 static ssize_t aac_show_max_channel(struct device *device,
903 struct device_attribute *attr, char *buf)
904 {
905 return snprintf(buf, PAGE_SIZE, "%d\n",
906 class_to_shost(device)->max_channel);
907 }
908
909 static ssize_t aac_show_max_id(struct device *device,
910 struct device_attribute *attr, char *buf)
911 {
912 return snprintf(buf, PAGE_SIZE, "%d\n",
913 class_to_shost(device)->max_id);
914 }
915
916 static ssize_t aac_store_reset_adapter(struct device *device,
917 struct device_attribute *attr,
918 const char *buf, size_t count)
919 {
920 int retval = -EACCES;
921
922 if (!capable(CAP_SYS_ADMIN))
923 return retval;
924 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
925 if (retval >= 0)
926 retval = count;
927 return retval;
928 }
929
930 static ssize_t aac_show_reset_adapter(struct device *device,
931 struct device_attribute *attr,
932 char *buf)
933 {
934 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
935 int len, tmp;
936
937 tmp = aac_adapter_check_health(dev);
938 if ((tmp == 0) && dev->in_reset)
939 tmp = -EBUSY;
940 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
941 return len;
942 }
943
944 static struct device_attribute aac_model = {
945 .attr = {
946 .name = "model",
947 .mode = S_IRUGO,
948 },
949 .show = aac_show_model,
950 };
951 static struct device_attribute aac_vendor = {
952 .attr = {
953 .name = "vendor",
954 .mode = S_IRUGO,
955 },
956 .show = aac_show_vendor,
957 };
958 static struct device_attribute aac_flags = {
959 .attr = {
960 .name = "flags",
961 .mode = S_IRUGO,
962 },
963 .show = aac_show_flags,
964 };
965 static struct device_attribute aac_kernel_version = {
966 .attr = {
967 .name = "hba_kernel_version",
968 .mode = S_IRUGO,
969 },
970 .show = aac_show_kernel_version,
971 };
972 static struct device_attribute aac_monitor_version = {
973 .attr = {
974 .name = "hba_monitor_version",
975 .mode = S_IRUGO,
976 },
977 .show = aac_show_monitor_version,
978 };
979 static struct device_attribute aac_bios_version = {
980 .attr = {
981 .name = "hba_bios_version",
982 .mode = S_IRUGO,
983 },
984 .show = aac_show_bios_version,
985 };
986 static struct device_attribute aac_serial_number = {
987 .attr = {
988 .name = "serial_number",
989 .mode = S_IRUGO,
990 },
991 .show = aac_show_serial_number,
992 };
993 static struct device_attribute aac_max_channel = {
994 .attr = {
995 .name = "max_channel",
996 .mode = S_IRUGO,
997 },
998 .show = aac_show_max_channel,
999 };
1000 static struct device_attribute aac_max_id = {
1001 .attr = {
1002 .name = "max_id",
1003 .mode = S_IRUGO,
1004 },
1005 .show = aac_show_max_id,
1006 };
1007 static struct device_attribute aac_reset = {
1008 .attr = {
1009 .name = "reset_host",
1010 .mode = S_IWUSR|S_IRUGO,
1011 },
1012 .store = aac_store_reset_adapter,
1013 .show = aac_show_reset_adapter,
1014 };
1015
1016 static struct device_attribute *aac_attrs[] = {
1017 &aac_model,
1018 &aac_vendor,
1019 &aac_flags,
1020 &aac_kernel_version,
1021 &aac_monitor_version,
1022 &aac_bios_version,
1023 &aac_serial_number,
1024 &aac_max_channel,
1025 &aac_max_id,
1026 &aac_reset,
1027 NULL
1028 };
1029
1030 ssize_t aac_get_serial_number(struct device *device, char *buf)
1031 {
1032 return aac_show_serial_number(device, &aac_serial_number, buf);
1033 }
1034
1035 static const struct file_operations aac_cfg_fops = {
1036 .owner = THIS_MODULE,
1037 .unlocked_ioctl = aac_cfg_ioctl,
1038 #ifdef CONFIG_COMPAT
1039 .compat_ioctl = aac_compat_cfg_ioctl,
1040 #endif
1041 .open = aac_cfg_open,
1042 .llseek = noop_llseek,
1043 };
1044
1045 static struct scsi_host_template aac_driver_template = {
1046 .module = THIS_MODULE,
1047 .name = "AAC",
1048 .proc_name = AAC_DRIVERNAME,
1049 .info = aac_info,
1050 .ioctl = aac_ioctl,
1051 #ifdef CONFIG_COMPAT
1052 .compat_ioctl = aac_compat_ioctl,
1053 #endif
1054 .queuecommand = aac_queuecommand,
1055 .bios_param = aac_biosparm,
1056 .shost_attrs = aac_attrs,
1057 .slave_configure = aac_slave_configure,
1058 .change_queue_depth = aac_change_queue_depth,
1059 .sdev_attrs = aac_dev_attrs,
1060 .eh_abort_handler = aac_eh_abort,
1061 .eh_host_reset_handler = aac_eh_reset,
1062 .can_queue = AAC_NUM_IO_FIB,
1063 .this_id = MAXIMUM_NUM_CONTAINERS,
1064 .sg_tablesize = 16,
1065 .max_sectors = 128,
1066 #if (AAC_NUM_IO_FIB > 256)
1067 .cmd_per_lun = 256,
1068 #else
1069 .cmd_per_lun = AAC_NUM_IO_FIB,
1070 #endif
1071 .use_clustering = ENABLE_CLUSTERING,
1072 .emulated = 1,
1073 };
1074
1075 static void __aac_shutdown(struct aac_dev * aac)
1076 {
1077 if (aac->aif_thread)
1078 kthread_stop(aac->thread);
1079 aac_send_shutdown(aac);
1080 aac_adapter_disable_int(aac);
1081 free_irq(aac->pdev->irq, aac);
1082 if (aac->msi)
1083 pci_disable_msi(aac->pdev);
1084 }
1085
1086 static int __devinit aac_probe_one(struct pci_dev *pdev,
1087 const struct pci_device_id *id)
1088 {
1089 unsigned index = id->driver_data;
1090 struct Scsi_Host *shost;
1091 struct aac_dev *aac;
1092 struct list_head *insert = &aac_devices;
1093 int error = -ENODEV;
1094 int unique_id = 0;
1095 u64 dmamask;
1096
1097 list_for_each_entry(aac, &aac_devices, entry) {
1098 if (aac->id > unique_id)
1099 break;
1100 insert = &aac->entry;
1101 unique_id++;
1102 }
1103
1104 error = pci_enable_device(pdev);
1105 if (error)
1106 goto out;
1107 error = -ENODEV;
1108
1109 /*
1110 * If the quirk31 bit is set, the adapter needs adapter
1111 * to driver communication memory to be allocated below 2gig
1112 */
1113 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1114 dmamask = DMA_BIT_MASK(31);
1115 else
1116 dmamask = DMA_BIT_MASK(32);
1117
1118 if (pci_set_dma_mask(pdev, dmamask) ||
1119 pci_set_consistent_dma_mask(pdev, dmamask))
1120 goto out_disable_pdev;
1121
1122 pci_set_master(pdev);
1123
1124 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1125 if (!shost)
1126 goto out_disable_pdev;
1127
1128 shost->irq = pdev->irq;
1129 shost->base = pci_resource_start(pdev, 0);
1130 shost->unique_id = unique_id;
1131 shost->max_cmd_len = 16;
1132
1133 aac = (struct aac_dev *)shost->hostdata;
1134 aac->scsi_host_ptr = shost;
1135 aac->pdev = pdev;
1136 aac->name = aac_driver_template.name;
1137 aac->id = shost->unique_id;
1138 aac->cardtype = index;
1139 INIT_LIST_HEAD(&aac->entry);
1140
1141 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1142 if (!aac->fibs)
1143 goto out_free_host;
1144 spin_lock_init(&aac->fib_lock);
1145
1146 /*
1147 * Map in the registers from the adapter.
1148 */
1149 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1150 if ((*aac_drivers[index].init)(aac))
1151 goto out_unmap;
1152
1153 /*
1154 * Start any kernel threads needed
1155 */
1156 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1157 if (IS_ERR(aac->thread)) {
1158 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1159 error = PTR_ERR(aac->thread);
1160 goto out_deinit;
1161 }
1162
1163 /*
1164 * If we had set a smaller DMA mask earlier, set it to 4gig
1165 * now since the adapter can dma data to at least a 4gig
1166 * address space.
1167 */
1168 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1169 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1170 goto out_deinit;
1171
1172 aac->maximum_num_channels = aac_drivers[index].channels;
1173 error = aac_get_adapter_info(aac);
1174 if (error < 0)
1175 goto out_deinit;
1176
1177 /*
1178 * Lets override negotiations and drop the maximum SG limit to 34
1179 */
1180 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1181 (shost->sg_tablesize > 34)) {
1182 shost->sg_tablesize = 34;
1183 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1184 }
1185
1186 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1187 (shost->sg_tablesize > 17)) {
1188 shost->sg_tablesize = 17;
1189 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1190 }
1191
1192 error = pci_set_dma_max_seg_size(pdev,
1193 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1194 (shost->max_sectors << 9) : 65536);
1195 if (error)
1196 goto out_deinit;
1197
1198 /*
1199 * Firmware printf works only with older firmware.
1200 */
1201 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1202 aac->printf_enabled = 1;
1203 else
1204 aac->printf_enabled = 0;
1205
1206 /*
1207 * max channel will be the physical channels plus 1 virtual channel
1208 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1209 * physical channels are address by their actual physical number+1
1210 */
1211 if (aac->nondasd_support || expose_physicals || aac->jbod)
1212 shost->max_channel = aac->maximum_num_channels;
1213 else
1214 shost->max_channel = 0;
1215
1216 aac_get_config_status(aac, 0);
1217 aac_get_containers(aac);
1218 list_add(&aac->entry, insert);
1219
1220 shost->max_id = aac->maximum_num_containers;
1221 if (shost->max_id < aac->maximum_num_physicals)
1222 shost->max_id = aac->maximum_num_physicals;
1223 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1224 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1225 else
1226 shost->this_id = shost->max_id;
1227
1228 /*
1229 * dmb - we may need to move the setting of these parms somewhere else once
1230 * we get a fib that can report the actual numbers
1231 */
1232 shost->max_lun = AAC_MAX_LUN;
1233
1234 pci_set_drvdata(pdev, shost);
1235
1236 error = scsi_add_host(shost, &pdev->dev);
1237 if (error)
1238 goto out_deinit;
1239 scsi_scan_host(shost);
1240
1241 return 0;
1242
1243 out_deinit:
1244 __aac_shutdown(aac);
1245 out_unmap:
1246 aac_fib_map_free(aac);
1247 if (aac->comm_addr)
1248 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1249 aac->comm_phys);
1250 kfree(aac->queues);
1251 aac_adapter_ioremap(aac, 0);
1252 kfree(aac->fibs);
1253 kfree(aac->fsa_dev);
1254 out_free_host:
1255 scsi_host_put(shost);
1256 out_disable_pdev:
1257 pci_disable_device(pdev);
1258 out:
1259 return error;
1260 }
1261
1262 static void aac_shutdown(struct pci_dev *dev)
1263 {
1264 struct Scsi_Host *shost = pci_get_drvdata(dev);
1265 scsi_block_requests(shost);
1266 __aac_shutdown((struct aac_dev *)shost->hostdata);
1267 }
1268
1269 static void __devexit aac_remove_one(struct pci_dev *pdev)
1270 {
1271 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1272 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1273
1274 scsi_remove_host(shost);
1275
1276 __aac_shutdown(aac);
1277 aac_fib_map_free(aac);
1278 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1279 aac->comm_phys);
1280 kfree(aac->queues);
1281
1282 aac_adapter_ioremap(aac, 0);
1283
1284 kfree(aac->fibs);
1285 kfree(aac->fsa_dev);
1286
1287 list_del(&aac->entry);
1288 scsi_host_put(shost);
1289 pci_disable_device(pdev);
1290 if (list_empty(&aac_devices)) {
1291 unregister_chrdev(aac_cfg_major, "aac");
1292 aac_cfg_major = -1;
1293 }
1294 }
1295
1296 static struct pci_driver aac_pci_driver = {
1297 .name = AAC_DRIVERNAME,
1298 .id_table = aac_pci_tbl,
1299 .probe = aac_probe_one,
1300 .remove = __devexit_p(aac_remove_one),
1301 .shutdown = aac_shutdown,
1302 };
1303
1304 static int __init aac_init(void)
1305 {
1306 int error;
1307
1308 printk(KERN_INFO "Adaptec %s driver %s\n",
1309 AAC_DRIVERNAME, aac_driver_version);
1310
1311 error = pci_register_driver(&aac_pci_driver);
1312 if (error < 0)
1313 return error;
1314
1315 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1316 if (aac_cfg_major < 0) {
1317 printk(KERN_WARNING
1318 "aacraid: unable to register \"aac\" device.\n");
1319 }
1320
1321 return 0;
1322 }
1323
1324 static void __exit aac_exit(void)
1325 {
1326 if (aac_cfg_major > -1)
1327 unregister_chrdev(aac_cfg_major, "aac");
1328 pci_unregister_driver(&aac_pci_driver);
1329 }
1330
1331 module_init(aac_init);
1332 module_exit(aac_exit);
Linux kernel - Deliverables
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