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cgroup: make ->pre_destroy() return void
[linux-2.6/libata-dev.git] / drivers / scsi / aacraid / linit.c
blob7199534cd07dba461f80d1dcde707ec4bda7fe4d
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) 2000-2010 Adaptec, Inc.
9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * Module Name:
26 * linit.c
27 *
28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
29 */
30
31
32 #include <linux/compat.h>
33 #include <linux/blkdev.h>
34 #include <linux/completion.h>
35 #include <linux/init.h>
36 #include <linux/interrupt.h>
37 #include <linux/kernel.h>
38 #include <linux/module.h>
39 #include <linux/moduleparam.h>
40 #include <linux/pci.h>
41 #include <linux/pci-aspm.h>
42 #include <linux/slab.h>
43 #include <linux/mutex.h>
44 #include <linux/spinlock.h>
45 #include <linux/syscalls.h>
46 #include <linux/delay.h>
47 #include <linux/kthread.h>
48
49 #include <scsi/scsi.h>
50 #include <scsi/scsi_cmnd.h>
51 #include <scsi/scsi_device.h>
52 #include <scsi/scsi_host.h>
53 #include <scsi/scsi_tcq.h>
54 #include <scsi/scsicam.h>
55 #include <scsi/scsi_eh.h>
56
57 #include "aacraid.h"
58
59 #define AAC_DRIVER_VERSION "1.2-0"
60 #ifndef AAC_DRIVER_BRANCH
61 #define AAC_DRIVER_BRANCH ""
62 #endif
63 #define AAC_DRIVERNAME "aacraid"
64
65 #ifdef AAC_DRIVER_BUILD
66 #define _str(x) #x
67 #define str(x) _str(x)
68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
69 #else
70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
71 #endif
72
73 MODULE_AUTHOR("Red Hat Inc and Adaptec");
74 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
75 "Adaptec Advanced Raid Products, "
76 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
79
80 static DEFINE_MUTEX(aac_mutex);
81 static LIST_HEAD(aac_devices);
82 static int aac_cfg_major = -1;
83 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
84
85 /*
86 * Because of the way Linux names scsi devices, the order in this table has
87 * become important. Check for on-board Raid first, add-in cards second.
88 *
89 * Note: The last field is used to index into aac_drivers below.
90 */
91 #ifdef DECLARE_PCI_DEVICE_TABLE
92 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
93 #elif defined(__devinitconst)
94 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
95 #else
96 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
97 #endif
98 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
99 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
100 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
101 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
102 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
103 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
104 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
105 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
106 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
107 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
108 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
109 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
110 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
111 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
112 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
113 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
114
115 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
116 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
117 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
118 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
119 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
122 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
123 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
124 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
125 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
126 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
127 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
128 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
129 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
130 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
131 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
132 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
133 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
134 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
135 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
136 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
137 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
138 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
139 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
140 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
141 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
142 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
143 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
144 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
145 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
146 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
147 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
148 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
149 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
150 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
151 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
152 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
153
154 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
155 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
156 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
157 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
158 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
159
160 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
161 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
162 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
163 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
164 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
165 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
166 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
167 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
168 { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
169 { 0,}
170 };
171 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
172
173 /*
174 * dmb - For now we add the number of channels to this structure.
175 * In the future we should add a fib that reports the number of channels
176 * for the card. At that time we can remove the channels from here
177 */
178 static struct aac_driver_ident aac_drivers[] = {
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
183 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
184 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
185 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
186 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
187 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
190 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
193 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
194 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
195
196 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
197 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
199 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
200 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
201 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
202 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
203 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
204 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
205 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
206 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
207 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
208 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
209 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
210 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
211 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
212 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
213 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
214 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
218 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
220 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
221 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
225 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
226 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
227 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
228 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
229 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
230 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
231 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
232
233 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
234 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
235 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
236 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
237 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
238
239 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
240 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
241 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
242 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
243 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
244 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
245 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */
246 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */
247 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */
248 };
249
250 /**
251 * aac_queuecommand - queue a SCSI command
252 * @cmd: SCSI command to queue
253 * @done: Function to call on command completion
254 *
255 * Queues a command for execution by the associated Host Adapter.
256 *
257 * TODO: unify with aac_scsi_cmd().
258 */
259
260 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
261 {
262 struct Scsi_Host *host = cmd->device->host;
263 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
264 u32 count = 0;
265 cmd->scsi_done = done;
266 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
267 struct fib * fib = &dev->fibs[count];
268 struct scsi_cmnd * command;
269 if (fib->hw_fib_va->header.XferState &&
270 ((command = fib->callback_data)) &&
271 (command == cmd) &&
272 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
273 return 0; /* Already owned by Adapter */
274 }
275 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
276 return (aac_scsi_cmd(cmd) ? FAILED : 0);
277 }
278
279 static DEF_SCSI_QCMD(aac_queuecommand)
280
281 /**
282 * aac_info - Returns the host adapter name
283 * @shost: Scsi host to report on
284 *
285 * Returns a static string describing the device in question
286 */
287
288 static const char *aac_info(struct Scsi_Host *shost)
289 {
290 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
291 return aac_drivers[dev->cardtype].name;
292 }
293
294 /**
295 * aac_get_driver_ident
296 * @devtype: index into lookup table
297 *
298 * Returns a pointer to the entry in the driver lookup table.
299 */
300
301 struct aac_driver_ident* aac_get_driver_ident(int devtype)
302 {
303 return &aac_drivers[devtype];
304 }
305
306 /**
307 * aac_biosparm - return BIOS parameters for disk
308 * @sdev: The scsi device corresponding to the disk
309 * @bdev: the block device corresponding to the disk
310 * @capacity: the sector capacity of the disk
311 * @geom: geometry block to fill in
312 *
313 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
314 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
315 * number of cylinders so as not to exceed drive capacity. In order for
316 * disks equal to or larger than 1 GB to be addressable by the BIOS
317 * without exceeding the BIOS limitation of 1024 cylinders, Extended
318 * Translation should be enabled. With Extended Translation enabled,
319 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
320 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
321 * are given a disk geometry of 255 heads and 63 sectors. However, if
322 * the BIOS detects that the Extended Translation setting does not match
323 * the geometry in the partition table, then the translation inferred
324 * from the partition table will be used by the BIOS, and a warning may
325 * be displayed.
326 */
327
328 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
329 sector_t capacity, int *geom)
330 {
331 struct diskparm *param = (struct diskparm *)geom;
332 unsigned char *buf;
333
334 dprintk((KERN_DEBUG "aac_biosparm.\n"));
335
336 /*
337 * Assuming extended translation is enabled - #REVISIT#
338 */
339 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
340 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
341 param->heads = 255;
342 param->sectors = 63;
343 } else {
344 param->heads = 128;
345 param->sectors = 32;
346 }
347 } else {
348 param->heads = 64;
349 param->sectors = 32;
350 }
351
352 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
353
354 /*
355 * Read the first 1024 bytes from the disk device, if the boot
356 * sector partition table is valid, search for a partition table
357 * entry whose end_head matches one of the standard geometry
358 * translations ( 64/32, 128/32, 255/63 ).
359 */
360 buf = scsi_bios_ptable(bdev);
361 if (!buf)
362 return 0;
363 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
364 struct partition *first = (struct partition * )buf;
365 struct partition *entry = first;
366 int saved_cylinders = param->cylinders;
367 int num;
368 unsigned char end_head, end_sec;
369
370 for(num = 0; num < 4; num++) {
371 end_head = entry->end_head;
372 end_sec = entry->end_sector & 0x3f;
373
374 if(end_head == 63) {
375 param->heads = 64;
376 param->sectors = 32;
377 break;
378 } else if(end_head == 127) {
379 param->heads = 128;
380 param->sectors = 32;
381 break;
382 } else if(end_head == 254) {
383 param->heads = 255;
384 param->sectors = 63;
385 break;
386 }
387 entry++;
388 }
389
390 if (num == 4) {
391 end_head = first->end_head;
392 end_sec = first->end_sector & 0x3f;
393 }
394
395 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
396 if (num < 4 && end_sec == param->sectors) {
397 if (param->cylinders != saved_cylinders)
398 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
399 param->heads, param->sectors, num));
400 } else if (end_head > 0 || end_sec > 0) {
401 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
402 end_head + 1, end_sec, num));
403 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
404 param->heads, param->sectors));
405 }
406 }
407 kfree(buf);
408 return 0;
409 }
410
411 /**
412 * aac_slave_configure - compute queue depths
413 * @sdev: SCSI device we are considering
414 *
415 * Selects queue depths for each target device based on the host adapter's
416 * total capacity and the queue depth supported by the target device.
417 * A queue depth of one automatically disables tagged queueing.
418 */
419
420 static int aac_slave_configure(struct scsi_device *sdev)
421 {
422 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
423 if (aac->jbod && (sdev->type == TYPE_DISK))
424 sdev->removable = 1;
425 if ((sdev->type == TYPE_DISK) &&
426 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
427 (!aac->jbod || sdev->inq_periph_qual) &&
428 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
429 if (expose_physicals == 0)
430 return -ENXIO;
431 if (expose_physicals < 0)
432 sdev->no_uld_attach = 1;
433 }
434 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
435 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
436 !sdev->no_uld_attach) {
437 struct scsi_device * dev;
438 struct Scsi_Host *host = sdev->host;
439 unsigned num_lsu = 0;
440 unsigned num_one = 0;
441 unsigned depth;
442 unsigned cid;
443
444 /*
445 * Firmware has an individual device recovery time typically
446 * of 35 seconds, give us a margin.
447 */
448 if (sdev->request_queue->rq_timeout < (45 * HZ))
449 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
450 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
451 if (aac->fsa_dev[cid].valid)
452 ++num_lsu;
453 __shost_for_each_device(dev, host) {
454 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
455 (!aac->raid_scsi_mode ||
456 (sdev_channel(sdev) != 2)) &&
457 !dev->no_uld_attach) {
458 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
459 || !aac->fsa_dev[sdev_id(dev)].valid)
460 ++num_lsu;
461 } else
462 ++num_one;
463 }
464 if (num_lsu == 0)
465 ++num_lsu;
466 depth = (host->can_queue - num_one) / num_lsu;
467 if (depth > 256)
468 depth = 256;
469 else if (depth < 2)
470 depth = 2;
471 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
472 } else
473 scsi_adjust_queue_depth(sdev, 0, 1);
474
475 return 0;
476 }
477
478 /**
479 * aac_change_queue_depth - alter queue depths
480 * @sdev: SCSI device we are considering
481 * @depth: desired queue depth
482 *
483 * Alters queue depths for target device based on the host adapter's
484 * total capacity and the queue depth supported by the target device.
485 */
486
487 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
488 int reason)
489 {
490 if (reason != SCSI_QDEPTH_DEFAULT)
491 return -EOPNOTSUPP;
492
493 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
494 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
495 struct scsi_device * dev;
496 struct Scsi_Host *host = sdev->host;
497 unsigned num = 0;
498
499 __shost_for_each_device(dev, host) {
500 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
501 (sdev_channel(dev) == CONTAINER_CHANNEL))
502 ++num;
503 ++num;
504 }
505 if (num >= host->can_queue)
506 num = host->can_queue - 1;
507 if (depth > (host->can_queue - num))
508 depth = host->can_queue - num;
509 if (depth > 256)
510 depth = 256;
511 else if (depth < 2)
512 depth = 2;
513 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
514 } else
515 scsi_adjust_queue_depth(sdev, 0, 1);
516 return sdev->queue_depth;
517 }
518
519 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
520 {
521 struct scsi_device *sdev = to_scsi_device(dev);
522 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
523 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
524 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
525 ? "Hidden\n" :
526 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
527 return snprintf(buf, PAGE_SIZE, "%s\n",
528 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
529 }
530
531 static struct device_attribute aac_raid_level_attr = {
532 .attr = {
533 .name = "level",
534 .mode = S_IRUGO,
535 },
536 .show = aac_show_raid_level
537 };
538
539 static struct device_attribute *aac_dev_attrs[] = {
540 &aac_raid_level_attr,
541 NULL,
542 };
543
544 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
545 {
546 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
547 if (!capable(CAP_SYS_RAWIO))
548 return -EPERM;
549 return aac_do_ioctl(dev, cmd, arg);
550 }
551
552 static int aac_eh_abort(struct scsi_cmnd* cmd)
553 {
554 struct scsi_device * dev = cmd->device;
555 struct Scsi_Host * host = dev->host;
556 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
557 int count;
558 int ret = FAILED;
559
560 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
561 AAC_DRIVERNAME,
562 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
563 switch (cmd->cmnd[0]) {
564 case SERVICE_ACTION_IN:
565 if (!(aac->raw_io_interface) ||
566 !(aac->raw_io_64) ||
567 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
568 break;
569 case INQUIRY:
570 case READ_CAPACITY:
571 /* Mark associated FIB to not complete, eh handler does this */
572 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
573 struct fib * fib = &aac->fibs[count];
574 if (fib->hw_fib_va->header.XferState &&
575 (fib->flags & FIB_CONTEXT_FLAG) &&
576 (fib->callback_data == cmd)) {
577 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
578 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
579 ret = SUCCESS;
580 }
581 }
582 break;
583 case TEST_UNIT_READY:
584 /* Mark associated FIB to not complete, eh handler does this */
585 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
586 struct scsi_cmnd * command;
587 struct fib * fib = &aac->fibs[count];
588 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
589 (fib->flags & FIB_CONTEXT_FLAG) &&
590 ((command = fib->callback_data)) &&
591 (command->device == cmd->device)) {
592 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
593 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
594 if (command == cmd)
595 ret = SUCCESS;
596 }
597 }
598 }
599 return ret;
600 }
601
602 /*
603 * aac_eh_reset - Reset command handling
604 * @scsi_cmd: SCSI command block causing the reset
605 *
606 */
607 static int aac_eh_reset(struct scsi_cmnd* cmd)
608 {
609 struct scsi_device * dev = cmd->device;
610 struct Scsi_Host * host = dev->host;
611 struct scsi_cmnd * command;
612 int count;
613 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
614 unsigned long flags;
615
616 /* Mark the associated FIB to not complete, eh handler does this */
617 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
618 struct fib * fib = &aac->fibs[count];
619 if (fib->hw_fib_va->header.XferState &&
620 (fib->flags & FIB_CONTEXT_FLAG) &&
621 (fib->callback_data == cmd)) {
622 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
623 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
624 }
625 }
626 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
627 AAC_DRIVERNAME);
628
629 if ((count = aac_check_health(aac)))
630 return count;
631 /*
632 * Wait for all commands to complete to this specific
633 * target (block maximum 60 seconds).
634 */
635 for (count = 60; count; --count) {
636 int active = aac->in_reset;
637
638 if (active == 0)
639 __shost_for_each_device(dev, host) {
640 spin_lock_irqsave(&dev->list_lock, flags);
641 list_for_each_entry(command, &dev->cmd_list, list) {
642 if ((command != cmd) &&
643 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
644 active++;
645 break;
646 }
647 }
648 spin_unlock_irqrestore(&dev->list_lock, flags);
649 if (active)
650 break;
651
652 }
653 /*
654 * We can exit If all the commands are complete
655 */
656 if (active == 0)
657 return SUCCESS;
658 ssleep(1);
659 }
660 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
661 /*
662 * This adapter needs a blind reset, only do so for Adapters that
663 * support a register, instead of a commanded, reset.
664 */
665 if (((aac->supplement_adapter_info.SupportedOptions2 &
666 AAC_OPTION_MU_RESET) ||
667 (aac->supplement_adapter_info.SupportedOptions2 &
668 AAC_OPTION_DOORBELL_RESET)) &&
669 aac_check_reset &&
670 ((aac_check_reset != 1) ||
671 !(aac->supplement_adapter_info.SupportedOptions2 &
672 AAC_OPTION_IGNORE_RESET)))
673 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
674 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
675 }
676
677 /**
678 * aac_cfg_open - open a configuration file
679 * @inode: inode being opened
680 * @file: file handle attached
681 *
682 * Called when the configuration device is opened. Does the needed
683 * set up on the handle and then returns
684 *
685 * Bugs: This needs extending to check a given adapter is present
686 * so we can support hot plugging, and to ref count adapters.
687 */
688
689 static int aac_cfg_open(struct inode *inode, struct file *file)
690 {
691 struct aac_dev *aac;
692 unsigned minor_number = iminor(inode);
693 int err = -ENODEV;
694
695 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
696 list_for_each_entry(aac, &aac_devices, entry) {
697 if (aac->id == minor_number) {
698 file->private_data = aac;
699 err = 0;
700 break;
701 }
702 }
703 mutex_unlock(&aac_mutex);
704
705 return err;
706 }
707
708 /**
709 * aac_cfg_ioctl - AAC configuration request
710 * @inode: inode of device
711 * @file: file handle
712 * @cmd: ioctl command code
713 * @arg: argument
714 *
715 * Handles a configuration ioctl. Currently this involves wrapping it
716 * up and feeding it into the nasty windowsalike glue layer.
717 *
718 * Bugs: Needs locking against parallel ioctls lower down
719 * Bugs: Needs to handle hot plugging
720 */
721
722 static long aac_cfg_ioctl(struct file *file,
723 unsigned int cmd, unsigned long arg)
724 {
725 int ret;
726 if (!capable(CAP_SYS_RAWIO))
727 return -EPERM;
728 mutex_lock(&aac_mutex);
729 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
730 mutex_unlock(&aac_mutex);
731
732 return ret;
733 }
734
735 #ifdef CONFIG_COMPAT
736 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
737 {
738 long ret;
739 mutex_lock(&aac_mutex);
740 switch (cmd) {
741 case FSACTL_MINIPORT_REV_CHECK:
742 case FSACTL_SENDFIB:
743 case FSACTL_OPEN_GET_ADAPTER_FIB:
744 case FSACTL_CLOSE_GET_ADAPTER_FIB:
745 case FSACTL_SEND_RAW_SRB:
746 case FSACTL_GET_PCI_INFO:
747 case FSACTL_QUERY_DISK:
748 case FSACTL_DELETE_DISK:
749 case FSACTL_FORCE_DELETE_DISK:
750 case FSACTL_GET_CONTAINERS:
751 case FSACTL_SEND_LARGE_FIB:
752 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
753 break;
754
755 case FSACTL_GET_NEXT_ADAPTER_FIB: {
756 struct fib_ioctl __user *f;
757
758 f = compat_alloc_user_space(sizeof(*f));
759 ret = 0;
760 if (clear_user(f, sizeof(*f)))
761 ret = -EFAULT;
762 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
763 ret = -EFAULT;
764 if (!ret)
765 ret = aac_do_ioctl(dev, cmd, f);
766 break;
767 }
768
769 default:
770 ret = -ENOIOCTLCMD;
771 break;
772 }
773 mutex_unlock(&aac_mutex);
774 return ret;
775 }
776
777 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
778 {
779 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
780 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
781 }
782
783 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
784 {
785 if (!capable(CAP_SYS_RAWIO))
786 return -EPERM;
787 return aac_compat_do_ioctl(file->private_data, cmd, arg);
788 }
789 #endif
790
791 static ssize_t aac_show_model(struct device *device,
792 struct device_attribute *attr, char *buf)
793 {
794 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
795 int len;
796
797 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
798 char * cp = dev->supplement_adapter_info.AdapterTypeText;
799 while (*cp && *cp != ' ')
800 ++cp;
801 while (*cp == ' ')
802 ++cp;
803 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
804 } else
805 len = snprintf(buf, PAGE_SIZE, "%s\n",
806 aac_drivers[dev->cardtype].model);
807 return len;
808 }
809
810 static ssize_t aac_show_vendor(struct device *device,
811 struct device_attribute *attr, char *buf)
812 {
813 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
814 int len;
815
816 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
817 char * cp = dev->supplement_adapter_info.AdapterTypeText;
818 while (*cp && *cp != ' ')
819 ++cp;
820 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
821 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
822 dev->supplement_adapter_info.AdapterTypeText);
823 } else
824 len = snprintf(buf, PAGE_SIZE, "%s\n",
825 aac_drivers[dev->cardtype].vname);
826 return len;
827 }
828
829 static ssize_t aac_show_flags(struct device *cdev,
830 struct device_attribute *attr, char *buf)
831 {
832 int len = 0;
833 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
834
835 if (nblank(dprintk(x)))
836 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
837 #ifdef AAC_DETAILED_STATUS_INFO
838 len += snprintf(buf + len, PAGE_SIZE - len,
839 "AAC_DETAILED_STATUS_INFO\n");
840 #endif
841 if (dev->raw_io_interface && dev->raw_io_64)
842 len += snprintf(buf + len, PAGE_SIZE - len,
843 "SAI_READ_CAPACITY_16\n");
844 if (dev->jbod)
845 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
846 if (dev->supplement_adapter_info.SupportedOptions2 &
847 AAC_OPTION_POWER_MANAGEMENT)
848 len += snprintf(buf + len, PAGE_SIZE - len,
849 "SUPPORTED_POWER_MANAGEMENT\n");
850 if (dev->msi)
851 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
852 return len;
853 }
854
855 static ssize_t aac_show_kernel_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.kernelrev);
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.kernelbuild));
866 return len;
867 }
868
869 static ssize_t aac_show_monitor_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.monitorrev);
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.monitorbuild));
880 return len;
881 }
882
883 static ssize_t aac_show_bios_version(struct device *device,
884 struct device_attribute *attr,
885 char *buf)
886 {
887 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
888 int len, tmp;
889
890 tmp = le32_to_cpu(dev->adapter_info.biosrev);
891 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
892 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
893 le32_to_cpu(dev->adapter_info.biosbuild));
894 return len;
895 }
896
897 static ssize_t aac_show_serial_number(struct device *device,
898 struct device_attribute *attr, char *buf)
899 {
900 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
901 int len = 0;
902
903 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
904 len = snprintf(buf, 16, "%06X\n",
905 le32_to_cpu(dev->adapter_info.serial[0]));
906 if (len &&
907 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
908 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
909 buf, len-1))
910 len = snprintf(buf, 16, "%.*s\n",
911 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
912 dev->supplement_adapter_info.MfgPcbaSerialNo);
913
914 return min(len, 16);
915 }
916
917 static ssize_t aac_show_max_channel(struct device *device,
918 struct device_attribute *attr, char *buf)
919 {
920 return snprintf(buf, PAGE_SIZE, "%d\n",
921 class_to_shost(device)->max_channel);
922 }
923
924 static ssize_t aac_show_max_id(struct device *device,
925 struct device_attribute *attr, char *buf)
926 {
927 return snprintf(buf, PAGE_SIZE, "%d\n",
928 class_to_shost(device)->max_id);
929 }
930
931 static ssize_t aac_store_reset_adapter(struct device *device,
932 struct device_attribute *attr,
933 const char *buf, size_t count)
934 {
935 int retval = -EACCES;
936
937 if (!capable(CAP_SYS_ADMIN))
938 return retval;
939 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
940 if (retval >= 0)
941 retval = count;
942 return retval;
943 }
944
945 static ssize_t aac_show_reset_adapter(struct device *device,
946 struct device_attribute *attr,
947 char *buf)
948 {
949 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
950 int len, tmp;
951
952 tmp = aac_adapter_check_health(dev);
953 if ((tmp == 0) && dev->in_reset)
954 tmp = -EBUSY;
955 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
956 return len;
957 }
958
959 static struct device_attribute aac_model = {
960 .attr = {
961 .name = "model",
962 .mode = S_IRUGO,
963 },
964 .show = aac_show_model,
965 };
966 static struct device_attribute aac_vendor = {
967 .attr = {
968 .name = "vendor",
969 .mode = S_IRUGO,
970 },
971 .show = aac_show_vendor,
972 };
973 static struct device_attribute aac_flags = {
974 .attr = {
975 .name = "flags",
976 .mode = S_IRUGO,
977 },
978 .show = aac_show_flags,
979 };
980 static struct device_attribute aac_kernel_version = {
981 .attr = {
982 .name = "hba_kernel_version",
983 .mode = S_IRUGO,
984 },
985 .show = aac_show_kernel_version,
986 };
987 static struct device_attribute aac_monitor_version = {
988 .attr = {
989 .name = "hba_monitor_version",
990 .mode = S_IRUGO,
991 },
992 .show = aac_show_monitor_version,
993 };
994 static struct device_attribute aac_bios_version = {
995 .attr = {
996 .name = "hba_bios_version",
997 .mode = S_IRUGO,
998 },
999 .show = aac_show_bios_version,
1000 };
1001 static struct device_attribute aac_serial_number = {
1002 .attr = {
1003 .name = "serial_number",
1004 .mode = S_IRUGO,
1005 },
1006 .show = aac_show_serial_number,
1007 };
1008 static struct device_attribute aac_max_channel = {
1009 .attr = {
1010 .name = "max_channel",
1011 .mode = S_IRUGO,
1012 },
1013 .show = aac_show_max_channel,
1014 };
1015 static struct device_attribute aac_max_id = {
1016 .attr = {
1017 .name = "max_id",
1018 .mode = S_IRUGO,
1019 },
1020 .show = aac_show_max_id,
1021 };
1022 static struct device_attribute aac_reset = {
1023 .attr = {
1024 .name = "reset_host",
1025 .mode = S_IWUSR|S_IRUGO,
1026 },
1027 .store = aac_store_reset_adapter,
1028 .show = aac_show_reset_adapter,
1029 };
1030
1031 static struct device_attribute *aac_attrs[] = {
1032 &aac_model,
1033 &aac_vendor,
1034 &aac_flags,
1035 &aac_kernel_version,
1036 &aac_monitor_version,
1037 &aac_bios_version,
1038 &aac_serial_number,
1039 &aac_max_channel,
1040 &aac_max_id,
1041 &aac_reset,
1042 NULL
1043 };
1044
1045 ssize_t aac_get_serial_number(struct device *device, char *buf)
1046 {
1047 return aac_show_serial_number(device, &aac_serial_number, buf);
1048 }
1049
1050 static const struct file_operations aac_cfg_fops = {
1051 .owner = THIS_MODULE,
1052 .unlocked_ioctl = aac_cfg_ioctl,
1053 #ifdef CONFIG_COMPAT
1054 .compat_ioctl = aac_compat_cfg_ioctl,
1055 #endif
1056 .open = aac_cfg_open,
1057 .llseek = noop_llseek,
1058 };
1059
1060 static struct scsi_host_template aac_driver_template = {
1061 .module = THIS_MODULE,
1062 .name = "AAC",
1063 .proc_name = AAC_DRIVERNAME,
1064 .info = aac_info,
1065 .ioctl = aac_ioctl,
1066 #ifdef CONFIG_COMPAT
1067 .compat_ioctl = aac_compat_ioctl,
1068 #endif
1069 .queuecommand = aac_queuecommand,
1070 .bios_param = aac_biosparm,
1071 .shost_attrs = aac_attrs,
1072 .slave_configure = aac_slave_configure,
1073 .change_queue_depth = aac_change_queue_depth,
1074 .sdev_attrs = aac_dev_attrs,
1075 .eh_abort_handler = aac_eh_abort,
1076 .eh_host_reset_handler = aac_eh_reset,
1077 .can_queue = AAC_NUM_IO_FIB,
1078 .this_id = MAXIMUM_NUM_CONTAINERS,
1079 .sg_tablesize = 16,
1080 .max_sectors = 128,
1081 #if (AAC_NUM_IO_FIB > 256)
1082 .cmd_per_lun = 256,
1083 #else
1084 .cmd_per_lun = AAC_NUM_IO_FIB,
1085 #endif
1086 .use_clustering = ENABLE_CLUSTERING,
1087 .emulated = 1,
1088 };
1089
1090 static void __aac_shutdown(struct aac_dev * aac)
1091 {
1092 if (aac->aif_thread) {
1093 int i;
1094 /* Clear out events first */
1095 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1096 struct fib *fib = &aac->fibs[i];
1097 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1098 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1099 up(&fib->event_wait);
1100 }
1101 kthread_stop(aac->thread);
1102 }
1103 aac_send_shutdown(aac);
1104 aac_adapter_disable_int(aac);
1105 free_irq(aac->pdev->irq, aac);
1106 if (aac->msi)
1107 pci_disable_msi(aac->pdev);
1108 }
1109
1110 static int __devinit aac_probe_one(struct pci_dev *pdev,
1111 const struct pci_device_id *id)
1112 {
1113 unsigned index = id->driver_data;
1114 struct Scsi_Host *shost;
1115 struct aac_dev *aac;
1116 struct list_head *insert = &aac_devices;
1117 int error = -ENODEV;
1118 int unique_id = 0;
1119 u64 dmamask;
1120 extern int aac_sync_mode;
1121
1122 list_for_each_entry(aac, &aac_devices, entry) {
1123 if (aac->id > unique_id)
1124 break;
1125 insert = &aac->entry;
1126 unique_id++;
1127 }
1128
1129 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1130 PCIE_LINK_STATE_CLKPM);
1131
1132 error = pci_enable_device(pdev);
1133 if (error)
1134 goto out;
1135 error = -ENODEV;
1136
1137 /*
1138 * If the quirk31 bit is set, the adapter needs adapter
1139 * to driver communication memory to be allocated below 2gig
1140 */
1141 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1142 dmamask = DMA_BIT_MASK(31);
1143 else
1144 dmamask = DMA_BIT_MASK(32);
1145
1146 if (pci_set_dma_mask(pdev, dmamask) ||
1147 pci_set_consistent_dma_mask(pdev, dmamask))
1148 goto out_disable_pdev;
1149
1150 pci_set_master(pdev);
1151
1152 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1153 if (!shost)
1154 goto out_disable_pdev;
1155
1156 shost->irq = pdev->irq;
1157 shost->unique_id = unique_id;
1158 shost->max_cmd_len = 16;
1159
1160 aac = (struct aac_dev *)shost->hostdata;
1161 aac->base_start = pci_resource_start(pdev, 0);
1162 aac->scsi_host_ptr = shost;
1163 aac->pdev = pdev;
1164 aac->name = aac_driver_template.name;
1165 aac->id = shost->unique_id;
1166 aac->cardtype = index;
1167 INIT_LIST_HEAD(&aac->entry);
1168
1169 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1170 if (!aac->fibs)
1171 goto out_free_host;
1172 spin_lock_init(&aac->fib_lock);
1173
1174 /*
1175 * Map in the registers from the adapter.
1176 */
1177 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1178 if ((*aac_drivers[index].init)(aac))
1179 goto out_unmap;
1180
1181 if (aac->sync_mode) {
1182 if (aac_sync_mode)
1183 printk(KERN_INFO "%s%d: Sync. mode enforced "
1184 "by driver parameter. This will cause "
1185 "a significant performance decrease!\n",
1186 aac->name,
1187 aac->id);
1188 else
1189 printk(KERN_INFO "%s%d: Async. mode not supported "
1190 "by current driver, sync. mode enforced."
1191 "\nPlease update driver to get full performance.\n",
1192 aac->name,
1193 aac->id);
1194 }
1195
1196 /*
1197 * Start any kernel threads needed
1198 */
1199 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1200 if (IS_ERR(aac->thread)) {
1201 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1202 error = PTR_ERR(aac->thread);
1203 aac->thread = NULL;
1204 goto out_deinit;
1205 }
1206
1207 /*
1208 * If we had set a smaller DMA mask earlier, set it to 4gig
1209 * now since the adapter can dma data to at least a 4gig
1210 * address space.
1211 */
1212 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1213 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1214 goto out_deinit;
1215
1216 aac->maximum_num_channels = aac_drivers[index].channels;
1217 error = aac_get_adapter_info(aac);
1218 if (error < 0)
1219 goto out_deinit;
1220
1221 /*
1222 * Lets override negotiations and drop the maximum SG limit to 34
1223 */
1224 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1225 (shost->sg_tablesize > 34)) {
1226 shost->sg_tablesize = 34;
1227 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1228 }
1229
1230 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1231 (shost->sg_tablesize > 17)) {
1232 shost->sg_tablesize = 17;
1233 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1234 }
1235
1236 error = pci_set_dma_max_seg_size(pdev,
1237 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1238 (shost->max_sectors << 9) : 65536);
1239 if (error)
1240 goto out_deinit;
1241
1242 /*
1243 * Firmware printf works only with older firmware.
1244 */
1245 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1246 aac->printf_enabled = 1;
1247 else
1248 aac->printf_enabled = 0;
1249
1250 /*
1251 * max channel will be the physical channels plus 1 virtual channel
1252 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1253 * physical channels are address by their actual physical number+1
1254 */
1255 if (aac->nondasd_support || expose_physicals || aac->jbod)
1256 shost->max_channel = aac->maximum_num_channels;
1257 else
1258 shost->max_channel = 0;
1259
1260 aac_get_config_status(aac, 0);
1261 aac_get_containers(aac);
1262 list_add(&aac->entry, insert);
1263
1264 shost->max_id = aac->maximum_num_containers;
1265 if (shost->max_id < aac->maximum_num_physicals)
1266 shost->max_id = aac->maximum_num_physicals;
1267 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1268 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1269 else
1270 shost->this_id = shost->max_id;
1271
1272 /*
1273 * dmb - we may need to move the setting of these parms somewhere else once
1274 * we get a fib that can report the actual numbers
1275 */
1276 shost->max_lun = AAC_MAX_LUN;
1277
1278 pci_set_drvdata(pdev, shost);
1279
1280 error = scsi_add_host(shost, &pdev->dev);
1281 if (error)
1282 goto out_deinit;
1283 scsi_scan_host(shost);
1284
1285 return 0;
1286
1287 out_deinit:
1288 __aac_shutdown(aac);
1289 out_unmap:
1290 aac_fib_map_free(aac);
1291 if (aac->comm_addr)
1292 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1293 aac->comm_phys);
1294 kfree(aac->queues);
1295 aac_adapter_ioremap(aac, 0);
1296 kfree(aac->fibs);
1297 kfree(aac->fsa_dev);
1298 out_free_host:
1299 scsi_host_put(shost);
1300 out_disable_pdev:
1301 pci_disable_device(pdev);
1302 out:
1303 return error;
1304 }
1305
1306 static void aac_shutdown(struct pci_dev *dev)
1307 {
1308 struct Scsi_Host *shost = pci_get_drvdata(dev);
1309 scsi_block_requests(shost);
1310 __aac_shutdown((struct aac_dev *)shost->hostdata);
1311 }
1312
1313 static void __devexit aac_remove_one(struct pci_dev *pdev)
1314 {
1315 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1316 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1317
1318 scsi_remove_host(shost);
1319
1320 __aac_shutdown(aac);
1321 aac_fib_map_free(aac);
1322 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1323 aac->comm_phys);
1324 kfree(aac->queues);
1325
1326 aac_adapter_ioremap(aac, 0);
1327
1328 kfree(aac->fibs);
1329 kfree(aac->fsa_dev);
1330
1331 list_del(&aac->entry);
1332 scsi_host_put(shost);
1333 pci_disable_device(pdev);
1334 if (list_empty(&aac_devices)) {
1335 unregister_chrdev(aac_cfg_major, "aac");
1336 aac_cfg_major = -1;
1337 }
1338 }
1339
1340 static struct pci_driver aac_pci_driver = {
1341 .name = AAC_DRIVERNAME,
1342 .id_table = aac_pci_tbl,
1343 .probe = aac_probe_one,
1344 .remove = __devexit_p(aac_remove_one),
1345 .shutdown = aac_shutdown,
1346 };
1347
1348 static int __init aac_init(void)
1349 {
1350 int error;
1351
1352 printk(KERN_INFO "Adaptec %s driver %s\n",
1353 AAC_DRIVERNAME, aac_driver_version);
1354
1355 error = pci_register_driver(&aac_pci_driver);
1356 if (error < 0)
1357 return error;
1358
1359 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1360 if (aac_cfg_major < 0) {
1361 printk(KERN_WARNING
1362 "aacraid: unable to register \"aac\" device.\n");
1363 }
1364
1365 return 0;
1366 }
1367
1368 static void __exit aac_exit(void)
1369 {
1370 if (aac_cfg_major > -1)
1371 unregister_chrdev(aac_cfg_major, "aac");
1372 pci_unregister_driver(&aac_pci_driver);
1373 }
1374
1375 module_init(aac_init);
1376 module_exit(aac_exit);
Linux 2.6 libata-dev (mirror)