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staging: usbip: bugfix for isochronous packets and optimization
[zen-stable.git] / drivers / scsi / aacraid / linit.c
blob4ff26521d75fe7982797b995319438a7eacd297f
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/slab.h>
42 #include <linux/mutex.h>
43 #include <linux/spinlock.h>
44 #include <linux/syscalls.h>
45 #include <linux/delay.h>
46 #include <linux/kthread.h>
47
48 #include <scsi/scsi.h>
49 #include <scsi/scsi_cmnd.h>
50 #include <scsi/scsi_device.h>
51 #include <scsi/scsi_host.h>
52 #include <scsi/scsi_tcq.h>
53 #include <scsi/scsicam.h>
54 #include <scsi/scsi_eh.h>
55
56 #include "aacraid.h"
57
58 #define AAC_DRIVER_VERSION "1.1-7"
59 #ifndef AAC_DRIVER_BRANCH
60 #define AAC_DRIVER_BRANCH ""
61 #endif
62 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
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 " " AAC_DRIVER_BUILD_DATE
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 Catch All */
166 { 0,}
167 };
168 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
169
170 /*
171 * dmb - For now we add the number of channels to this structure.
172 * In the future we should add a fib that reports the number of channels
173 * for the card. At that time we can remove the channels from here
174 */
175 static struct aac_driver_ident aac_drivers[] = {
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
183 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
184 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
190 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
191 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
192
193 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
194 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
195 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
200 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
201 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
205 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
206 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
207 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
208 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
209 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
210 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
211 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
215 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
221 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
222 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
223 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
224 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
226 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
227 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
228 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
229
230 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
231 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
232 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
233 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
234 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
235
236 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
237 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
238 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
239 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
240 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
241 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Catch All */
242 };
243
244 /**
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
248 *
249 * Queues a command for execution by the associated Host Adapter.
250 *
251 * TODO: unify with aac_scsi_cmd().
252 */
253
254 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
255 {
256 struct Scsi_Host *host = cmd->device->host;
257 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
258 u32 count = 0;
259 cmd->scsi_done = done;
260 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
261 struct fib * fib = &dev->fibs[count];
262 struct scsi_cmnd * command;
263 if (fib->hw_fib_va->header.XferState &&
264 ((command = fib->callback_data)) &&
265 (command == cmd) &&
266 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
267 return 0; /* Already owned by Adapter */
268 }
269 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
270 return (aac_scsi_cmd(cmd) ? FAILED : 0);
271 }
272
273 static DEF_SCSI_QCMD(aac_queuecommand)
274
275 /**
276 * aac_info - Returns the host adapter name
277 * @shost: Scsi host to report on
278 *
279 * Returns a static string describing the device in question
280 */
281
282 static const char *aac_info(struct Scsi_Host *shost)
283 {
284 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
285 return aac_drivers[dev->cardtype].name;
286 }
287
288 /**
289 * aac_get_driver_ident
290 * @devtype: index into lookup table
291 *
292 * Returns a pointer to the entry in the driver lookup table.
293 */
294
295 struct aac_driver_ident* aac_get_driver_ident(int devtype)
296 {
297 return &aac_drivers[devtype];
298 }
299
300 /**
301 * aac_biosparm - return BIOS parameters for disk
302 * @sdev: The scsi device corresponding to the disk
303 * @bdev: the block device corresponding to the disk
304 * @capacity: the sector capacity of the disk
305 * @geom: geometry block to fill in
306 *
307 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
308 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
309 * number of cylinders so as not to exceed drive capacity. In order for
310 * disks equal to or larger than 1 GB to be addressable by the BIOS
311 * without exceeding the BIOS limitation of 1024 cylinders, Extended
312 * Translation should be enabled. With Extended Translation enabled,
313 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
314 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
315 * are given a disk geometry of 255 heads and 63 sectors. However, if
316 * the BIOS detects that the Extended Translation setting does not match
317 * the geometry in the partition table, then the translation inferred
318 * from the partition table will be used by the BIOS, and a warning may
319 * be displayed.
320 */
321
322 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
323 sector_t capacity, int *geom)
324 {
325 struct diskparm *param = (struct diskparm *)geom;
326 unsigned char *buf;
327
328 dprintk((KERN_DEBUG "aac_biosparm.\n"));
329
330 /*
331 * Assuming extended translation is enabled - #REVISIT#
332 */
333 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
334 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
335 param->heads = 255;
336 param->sectors = 63;
337 } else {
338 param->heads = 128;
339 param->sectors = 32;
340 }
341 } else {
342 param->heads = 64;
343 param->sectors = 32;
344 }
345
346 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
347
348 /*
349 * Read the first 1024 bytes from the disk device, if the boot
350 * sector partition table is valid, search for a partition table
351 * entry whose end_head matches one of the standard geometry
352 * translations ( 64/32, 128/32, 255/63 ).
353 */
354 buf = scsi_bios_ptable(bdev);
355 if (!buf)
356 return 0;
357 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
358 struct partition *first = (struct partition * )buf;
359 struct partition *entry = first;
360 int saved_cylinders = param->cylinders;
361 int num;
362 unsigned char end_head, end_sec;
363
364 for(num = 0; num < 4; num++) {
365 end_head = entry->end_head;
366 end_sec = entry->end_sector & 0x3f;
367
368 if(end_head == 63) {
369 param->heads = 64;
370 param->sectors = 32;
371 break;
372 } else if(end_head == 127) {
373 param->heads = 128;
374 param->sectors = 32;
375 break;
376 } else if(end_head == 254) {
377 param->heads = 255;
378 param->sectors = 63;
379 break;
380 }
381 entry++;
382 }
383
384 if (num == 4) {
385 end_head = first->end_head;
386 end_sec = first->end_sector & 0x3f;
387 }
388
389 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
390 if (num < 4 && end_sec == param->sectors) {
391 if (param->cylinders != saved_cylinders)
392 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
393 param->heads, param->sectors, num));
394 } else if (end_head > 0 || end_sec > 0) {
395 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
396 end_head + 1, end_sec, num));
397 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
398 param->heads, param->sectors));
399 }
400 }
401 kfree(buf);
402 return 0;
403 }
404
405 /**
406 * aac_slave_configure - compute queue depths
407 * @sdev: SCSI device we are considering
408 *
409 * Selects queue depths for each target device based on the host adapter's
410 * total capacity and the queue depth supported by the target device.
411 * A queue depth of one automatically disables tagged queueing.
412 */
413
414 static int aac_slave_configure(struct scsi_device *sdev)
415 {
416 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
417 if (aac->jbod && (sdev->type == TYPE_DISK))
418 sdev->removable = 1;
419 if ((sdev->type == TYPE_DISK) &&
420 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
421 (!aac->jbod || sdev->inq_periph_qual) &&
422 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
423 if (expose_physicals == 0)
424 return -ENXIO;
425 if (expose_physicals < 0)
426 sdev->no_uld_attach = 1;
427 }
428 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
429 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
430 !sdev->no_uld_attach) {
431 struct scsi_device * dev;
432 struct Scsi_Host *host = sdev->host;
433 unsigned num_lsu = 0;
434 unsigned num_one = 0;
435 unsigned depth;
436 unsigned cid;
437
438 /*
439 * Firmware has an individual device recovery time typically
440 * of 35 seconds, give us a margin.
441 */
442 if (sdev->request_queue->rq_timeout < (45 * HZ))
443 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
444 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
445 if (aac->fsa_dev[cid].valid)
446 ++num_lsu;
447 __shost_for_each_device(dev, host) {
448 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
449 (!aac->raid_scsi_mode ||
450 (sdev_channel(sdev) != 2)) &&
451 !dev->no_uld_attach) {
452 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
453 || !aac->fsa_dev[sdev_id(dev)].valid)
454 ++num_lsu;
455 } else
456 ++num_one;
457 }
458 if (num_lsu == 0)
459 ++num_lsu;
460 depth = (host->can_queue - num_one) / num_lsu;
461 if (depth > 256)
462 depth = 256;
463 else if (depth < 2)
464 depth = 2;
465 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
466 } else
467 scsi_adjust_queue_depth(sdev, 0, 1);
468
469 return 0;
470 }
471
472 /**
473 * aac_change_queue_depth - alter queue depths
474 * @sdev: SCSI device we are considering
475 * @depth: desired queue depth
476 *
477 * Alters queue depths for target device based on the host adapter's
478 * total capacity and the queue depth supported by the target device.
479 */
480
481 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
482 int reason)
483 {
484 if (reason != SCSI_QDEPTH_DEFAULT)
485 return -EOPNOTSUPP;
486
487 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
488 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
489 struct scsi_device * dev;
490 struct Scsi_Host *host = sdev->host;
491 unsigned num = 0;
492
493 __shost_for_each_device(dev, host) {
494 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
495 (sdev_channel(dev) == CONTAINER_CHANNEL))
496 ++num;
497 ++num;
498 }
499 if (num >= host->can_queue)
500 num = host->can_queue - 1;
501 if (depth > (host->can_queue - num))
502 depth = host->can_queue - num;
503 if (depth > 256)
504 depth = 256;
505 else if (depth < 2)
506 depth = 2;
507 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
508 } else
509 scsi_adjust_queue_depth(sdev, 0, 1);
510 return sdev->queue_depth;
511 }
512
513 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
514 {
515 struct scsi_device *sdev = to_scsi_device(dev);
516 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
517 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
518 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
519 ? "Hidden\n" :
520 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
521 return snprintf(buf, PAGE_SIZE, "%s\n",
522 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
523 }
524
525 static struct device_attribute aac_raid_level_attr = {
526 .attr = {
527 .name = "level",
528 .mode = S_IRUGO,
529 },
530 .show = aac_show_raid_level
531 };
532
533 static struct device_attribute *aac_dev_attrs[] = {
534 &aac_raid_level_attr,
535 NULL,
536 };
537
538 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
539 {
540 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
541 if (!capable(CAP_SYS_RAWIO))
542 return -EPERM;
543 return aac_do_ioctl(dev, cmd, arg);
544 }
545
546 static int aac_eh_abort(struct scsi_cmnd* cmd)
547 {
548 struct scsi_device * dev = cmd->device;
549 struct Scsi_Host * host = dev->host;
550 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
551 int count;
552 int ret = FAILED;
553
554 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
555 AAC_DRIVERNAME,
556 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
557 switch (cmd->cmnd[0]) {
558 case SERVICE_ACTION_IN:
559 if (!(aac->raw_io_interface) ||
560 !(aac->raw_io_64) ||
561 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
562 break;
563 case INQUIRY:
564 case READ_CAPACITY:
565 /* Mark associated FIB to not complete, eh handler does this */
566 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
567 struct fib * fib = &aac->fibs[count];
568 if (fib->hw_fib_va->header.XferState &&
569 (fib->flags & FIB_CONTEXT_FLAG) &&
570 (fib->callback_data == cmd)) {
571 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
572 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
573 ret = SUCCESS;
574 }
575 }
576 break;
577 case TEST_UNIT_READY:
578 /* Mark associated FIB to not complete, eh handler does this */
579 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
580 struct scsi_cmnd * command;
581 struct fib * fib = &aac->fibs[count];
582 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
583 (fib->flags & FIB_CONTEXT_FLAG) &&
584 ((command = fib->callback_data)) &&
585 (command->device == cmd->device)) {
586 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
587 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
588 if (command == cmd)
589 ret = SUCCESS;
590 }
591 }
592 }
593 return ret;
594 }
595
596 /*
597 * aac_eh_reset - Reset command handling
598 * @scsi_cmd: SCSI command block causing the reset
599 *
600 */
601 static int aac_eh_reset(struct scsi_cmnd* cmd)
602 {
603 struct scsi_device * dev = cmd->device;
604 struct Scsi_Host * host = dev->host;
605 struct scsi_cmnd * command;
606 int count;
607 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
608 unsigned long flags;
609
610 /* Mark the associated FIB to not complete, eh handler does this */
611 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
612 struct fib * fib = &aac->fibs[count];
613 if (fib->hw_fib_va->header.XferState &&
614 (fib->flags & FIB_CONTEXT_FLAG) &&
615 (fib->callback_data == cmd)) {
616 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
617 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
618 }
619 }
620 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
621 AAC_DRIVERNAME);
622
623 if ((count = aac_check_health(aac)))
624 return count;
625 /*
626 * Wait for all commands to complete to this specific
627 * target (block maximum 60 seconds).
628 */
629 for (count = 60; count; --count) {
630 int active = aac->in_reset;
631
632 if (active == 0)
633 __shost_for_each_device(dev, host) {
634 spin_lock_irqsave(&dev->list_lock, flags);
635 list_for_each_entry(command, &dev->cmd_list, list) {
636 if ((command != cmd) &&
637 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
638 active++;
639 break;
640 }
641 }
642 spin_unlock_irqrestore(&dev->list_lock, flags);
643 if (active)
644 break;
645
646 }
647 /*
648 * We can exit If all the commands are complete
649 */
650 if (active == 0)
651 return SUCCESS;
652 ssleep(1);
653 }
654 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
655 /*
656 * This adapter needs a blind reset, only do so for Adapters that
657 * support a register, instead of a commanded, reset.
658 */
659 if (((aac->supplement_adapter_info.SupportedOptions2 &
660 AAC_OPTION_MU_RESET) ||
661 (aac->supplement_adapter_info.SupportedOptions2 &
662 AAC_OPTION_DOORBELL_RESET)) &&
663 aac_check_reset &&
664 ((aac_check_reset != 1) ||
665 !(aac->supplement_adapter_info.SupportedOptions2 &
666 AAC_OPTION_IGNORE_RESET)))
667 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
668 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
669 }
670
671 /**
672 * aac_cfg_open - open a configuration file
673 * @inode: inode being opened
674 * @file: file handle attached
675 *
676 * Called when the configuration device is opened. Does the needed
677 * set up on the handle and then returns
678 *
679 * Bugs: This needs extending to check a given adapter is present
680 * so we can support hot plugging, and to ref count adapters.
681 */
682
683 static int aac_cfg_open(struct inode *inode, struct file *file)
684 {
685 struct aac_dev *aac;
686 unsigned minor_number = iminor(inode);
687 int err = -ENODEV;
688
689 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
690 list_for_each_entry(aac, &aac_devices, entry) {
691 if (aac->id == minor_number) {
692 file->private_data = aac;
693 err = 0;
694 break;
695 }
696 }
697 mutex_unlock(&aac_mutex);
698
699 return err;
700 }
701
702 /**
703 * aac_cfg_ioctl - AAC configuration request
704 * @inode: inode of device
705 * @file: file handle
706 * @cmd: ioctl command code
707 * @arg: argument
708 *
709 * Handles a configuration ioctl. Currently this involves wrapping it
710 * up and feeding it into the nasty windowsalike glue layer.
711 *
712 * Bugs: Needs locking against parallel ioctls lower down
713 * Bugs: Needs to handle hot plugging
714 */
715
716 static long aac_cfg_ioctl(struct file *file,
717 unsigned int cmd, unsigned long arg)
718 {
719 int ret;
720 if (!capable(CAP_SYS_RAWIO))
721 return -EPERM;
722 mutex_lock(&aac_mutex);
723 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
724 mutex_unlock(&aac_mutex);
725
726 return ret;
727 }
728
729 #ifdef CONFIG_COMPAT
730 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
731 {
732 long ret;
733 mutex_lock(&aac_mutex);
734 switch (cmd) {
735 case FSACTL_MINIPORT_REV_CHECK:
736 case FSACTL_SENDFIB:
737 case FSACTL_OPEN_GET_ADAPTER_FIB:
738 case FSACTL_CLOSE_GET_ADAPTER_FIB:
739 case FSACTL_SEND_RAW_SRB:
740 case FSACTL_GET_PCI_INFO:
741 case FSACTL_QUERY_DISK:
742 case FSACTL_DELETE_DISK:
743 case FSACTL_FORCE_DELETE_DISK:
744 case FSACTL_GET_CONTAINERS:
745 case FSACTL_SEND_LARGE_FIB:
746 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
747 break;
748
749 case FSACTL_GET_NEXT_ADAPTER_FIB: {
750 struct fib_ioctl __user *f;
751
752 f = compat_alloc_user_space(sizeof(*f));
753 ret = 0;
754 if (clear_user(f, sizeof(*f)))
755 ret = -EFAULT;
756 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
757 ret = -EFAULT;
758 if (!ret)
759 ret = aac_do_ioctl(dev, cmd, f);
760 break;
761 }
762
763 default:
764 ret = -ENOIOCTLCMD;
765 break;
766 }
767 mutex_unlock(&aac_mutex);
768 return ret;
769 }
770
771 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
772 {
773 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
774 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
775 }
776
777 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
778 {
779 if (!capable(CAP_SYS_RAWIO))
780 return -EPERM;
781 return aac_compat_do_ioctl(file->private_data, cmd, arg);
782 }
783 #endif
784
785 static ssize_t aac_show_model(struct device *device,
786 struct device_attribute *attr, char *buf)
787 {
788 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
789 int len;
790
791 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
792 char * cp = dev->supplement_adapter_info.AdapterTypeText;
793 while (*cp && *cp != ' ')
794 ++cp;
795 while (*cp == ' ')
796 ++cp;
797 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
798 } else
799 len = snprintf(buf, PAGE_SIZE, "%s\n",
800 aac_drivers[dev->cardtype].model);
801 return len;
802 }
803
804 static ssize_t aac_show_vendor(struct device *device,
805 struct device_attribute *attr, char *buf)
806 {
807 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
808 int len;
809
810 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
811 char * cp = dev->supplement_adapter_info.AdapterTypeText;
812 while (*cp && *cp != ' ')
813 ++cp;
814 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
815 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
816 dev->supplement_adapter_info.AdapterTypeText);
817 } else
818 len = snprintf(buf, PAGE_SIZE, "%s\n",
819 aac_drivers[dev->cardtype].vname);
820 return len;
821 }
822
823 static ssize_t aac_show_flags(struct device *cdev,
824 struct device_attribute *attr, char *buf)
825 {
826 int len = 0;
827 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
828
829 if (nblank(dprintk(x)))
830 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
831 #ifdef AAC_DETAILED_STATUS_INFO
832 len += snprintf(buf + len, PAGE_SIZE - len,
833 "AAC_DETAILED_STATUS_INFO\n");
834 #endif
835 if (dev->raw_io_interface && dev->raw_io_64)
836 len += snprintf(buf + len, PAGE_SIZE - len,
837 "SAI_READ_CAPACITY_16\n");
838 if (dev->jbod)
839 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
840 if (dev->supplement_adapter_info.SupportedOptions2 &
841 AAC_OPTION_POWER_MANAGEMENT)
842 len += snprintf(buf + len, PAGE_SIZE - len,
843 "SUPPORTED_POWER_MANAGEMENT\n");
844 if (dev->msi)
845 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
846 return len;
847 }
848
849 static ssize_t aac_show_kernel_version(struct device *device,
850 struct device_attribute *attr,
851 char *buf)
852 {
853 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
854 int len, tmp;
855
856 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
857 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
858 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
859 le32_to_cpu(dev->adapter_info.kernelbuild));
860 return len;
861 }
862
863 static ssize_t aac_show_monitor_version(struct device *device,
864 struct device_attribute *attr,
865 char *buf)
866 {
867 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
868 int len, tmp;
869
870 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
871 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
872 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
873 le32_to_cpu(dev->adapter_info.monitorbuild));
874 return len;
875 }
876
877 static ssize_t aac_show_bios_version(struct device *device,
878 struct device_attribute *attr,
879 char *buf)
880 {
881 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
882 int len, tmp;
883
884 tmp = le32_to_cpu(dev->adapter_info.biosrev);
885 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
886 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
887 le32_to_cpu(dev->adapter_info.biosbuild));
888 return len;
889 }
890
891 static ssize_t aac_show_serial_number(struct device *device,
892 struct device_attribute *attr, char *buf)
893 {
894 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
895 int len = 0;
896
897 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
898 len = snprintf(buf, PAGE_SIZE, "%06X\n",
899 le32_to_cpu(dev->adapter_info.serial[0]));
900 if (len &&
901 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
902 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
903 buf, len-1))
904 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
905 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
906 dev->supplement_adapter_info.MfgPcbaSerialNo);
907 return len;
908 }
909
910 static ssize_t aac_show_max_channel(struct device *device,
911 struct device_attribute *attr, char *buf)
912 {
913 return snprintf(buf, PAGE_SIZE, "%d\n",
914 class_to_shost(device)->max_channel);
915 }
916
917 static ssize_t aac_show_max_id(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_id);
922 }
923
924 static ssize_t aac_store_reset_adapter(struct device *device,
925 struct device_attribute *attr,
926 const char *buf, size_t count)
927 {
928 int retval = -EACCES;
929
930 if (!capable(CAP_SYS_ADMIN))
931 return retval;
932 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
933 if (retval >= 0)
934 retval = count;
935 return retval;
936 }
937
938 static ssize_t aac_show_reset_adapter(struct device *device,
939 struct device_attribute *attr,
940 char *buf)
941 {
942 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
943 int len, tmp;
944
945 tmp = aac_adapter_check_health(dev);
946 if ((tmp == 0) && dev->in_reset)
947 tmp = -EBUSY;
948 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
949 return len;
950 }
951
952 static struct device_attribute aac_model = {
953 .attr = {
954 .name = "model",
955 .mode = S_IRUGO,
956 },
957 .show = aac_show_model,
958 };
959 static struct device_attribute aac_vendor = {
960 .attr = {
961 .name = "vendor",
962 .mode = S_IRUGO,
963 },
964 .show = aac_show_vendor,
965 };
966 static struct device_attribute aac_flags = {
967 .attr = {
968 .name = "flags",
969 .mode = S_IRUGO,
970 },
971 .show = aac_show_flags,
972 };
973 static struct device_attribute aac_kernel_version = {
974 .attr = {
975 .name = "hba_kernel_version",
976 .mode = S_IRUGO,
977 },
978 .show = aac_show_kernel_version,
979 };
980 static struct device_attribute aac_monitor_version = {
981 .attr = {
982 .name = "hba_monitor_version",
983 .mode = S_IRUGO,
984 },
985 .show = aac_show_monitor_version,
986 };
987 static struct device_attribute aac_bios_version = {
988 .attr = {
989 .name = "hba_bios_version",
990 .mode = S_IRUGO,
991 },
992 .show = aac_show_bios_version,
993 };
994 static struct device_attribute aac_serial_number = {
995 .attr = {
996 .name = "serial_number",
997 .mode = S_IRUGO,
998 },
999 .show = aac_show_serial_number,
1000 };
1001 static struct device_attribute aac_max_channel = {
1002 .attr = {
1003 .name = "max_channel",
1004 .mode = S_IRUGO,
1005 },
1006 .show = aac_show_max_channel,
1007 };
1008 static struct device_attribute aac_max_id = {
1009 .attr = {
1010 .name = "max_id",
1011 .mode = S_IRUGO,
1012 },
1013 .show = aac_show_max_id,
1014 };
1015 static struct device_attribute aac_reset = {
1016 .attr = {
1017 .name = "reset_host",
1018 .mode = S_IWUSR|S_IRUGO,
1019 },
1020 .store = aac_store_reset_adapter,
1021 .show = aac_show_reset_adapter,
1022 };
1023
1024 static struct device_attribute *aac_attrs[] = {
1025 &aac_model,
1026 &aac_vendor,
1027 &aac_flags,
1028 &aac_kernel_version,
1029 &aac_monitor_version,
1030 &aac_bios_version,
1031 &aac_serial_number,
1032 &aac_max_channel,
1033 &aac_max_id,
1034 &aac_reset,
1035 NULL
1036 };
1037
1038 ssize_t aac_get_serial_number(struct device *device, char *buf)
1039 {
1040 return aac_show_serial_number(device, &aac_serial_number, buf);
1041 }
1042
1043 static const struct file_operations aac_cfg_fops = {
1044 .owner = THIS_MODULE,
1045 .unlocked_ioctl = aac_cfg_ioctl,
1046 #ifdef CONFIG_COMPAT
1047 .compat_ioctl = aac_compat_cfg_ioctl,
1048 #endif
1049 .open = aac_cfg_open,
1050 .llseek = noop_llseek,
1051 };
1052
1053 static struct scsi_host_template aac_driver_template = {
1054 .module = THIS_MODULE,
1055 .name = "AAC",
1056 .proc_name = AAC_DRIVERNAME,
1057 .info = aac_info,
1058 .ioctl = aac_ioctl,
1059 #ifdef CONFIG_COMPAT
1060 .compat_ioctl = aac_compat_ioctl,
1061 #endif
1062 .queuecommand = aac_queuecommand,
1063 .bios_param = aac_biosparm,
1064 .shost_attrs = aac_attrs,
1065 .slave_configure = aac_slave_configure,
1066 .change_queue_depth = aac_change_queue_depth,
1067 .sdev_attrs = aac_dev_attrs,
1068 .eh_abort_handler = aac_eh_abort,
1069 .eh_host_reset_handler = aac_eh_reset,
1070 .can_queue = AAC_NUM_IO_FIB,
1071 .this_id = MAXIMUM_NUM_CONTAINERS,
1072 .sg_tablesize = 16,
1073 .max_sectors = 128,
1074 #if (AAC_NUM_IO_FIB > 256)
1075 .cmd_per_lun = 256,
1076 #else
1077 .cmd_per_lun = AAC_NUM_IO_FIB,
1078 #endif
1079 .use_clustering = ENABLE_CLUSTERING,
1080 .emulated = 1,
1081 };
1082
1083 static void __aac_shutdown(struct aac_dev * aac)
1084 {
1085 if (aac->aif_thread)
1086 kthread_stop(aac->thread);
1087 aac_send_shutdown(aac);
1088 aac_adapter_disable_int(aac);
1089 free_irq(aac->pdev->irq, aac);
1090 if (aac->msi)
1091 pci_disable_msi(aac->pdev);
1092 }
1093
1094 static int __devinit aac_probe_one(struct pci_dev *pdev,
1095 const struct pci_device_id *id)
1096 {
1097 unsigned index = id->driver_data;
1098 struct Scsi_Host *shost;
1099 struct aac_dev *aac;
1100 struct list_head *insert = &aac_devices;
1101 int error = -ENODEV;
1102 int unique_id = 0;
1103 u64 dmamask;
1104
1105 list_for_each_entry(aac, &aac_devices, entry) {
1106 if (aac->id > unique_id)
1107 break;
1108 insert = &aac->entry;
1109 unique_id++;
1110 }
1111
1112 error = pci_enable_device(pdev);
1113 if (error)
1114 goto out;
1115 error = -ENODEV;
1116
1117 /*
1118 * If the quirk31 bit is set, the adapter needs adapter
1119 * to driver communication memory to be allocated below 2gig
1120 */
1121 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1122 dmamask = DMA_BIT_MASK(31);
1123 else
1124 dmamask = DMA_BIT_MASK(32);
1125
1126 if (pci_set_dma_mask(pdev, dmamask) ||
1127 pci_set_consistent_dma_mask(pdev, dmamask))
1128 goto out_disable_pdev;
1129
1130 pci_set_master(pdev);
1131
1132 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1133 if (!shost)
1134 goto out_disable_pdev;
1135
1136 shost->irq = pdev->irq;
1137 shost->base = pci_resource_start(pdev, 0);
1138 shost->unique_id = unique_id;
1139 shost->max_cmd_len = 16;
1140
1141 aac = (struct aac_dev *)shost->hostdata;
1142 aac->scsi_host_ptr = shost;
1143 aac->pdev = pdev;
1144 aac->name = aac_driver_template.name;
1145 aac->id = shost->unique_id;
1146 aac->cardtype = index;
1147 INIT_LIST_HEAD(&aac->entry);
1148
1149 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1150 if (!aac->fibs)
1151 goto out_free_host;
1152 spin_lock_init(&aac->fib_lock);
1153
1154 /*
1155 * Map in the registers from the adapter.
1156 */
1157 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1158 if ((*aac_drivers[index].init)(aac))
1159 goto out_unmap;
1160
1161 /*
1162 * Start any kernel threads needed
1163 */
1164 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1165 if (IS_ERR(aac->thread)) {
1166 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1167 error = PTR_ERR(aac->thread);
1168 goto out_deinit;
1169 }
1170
1171 /*
1172 * If we had set a smaller DMA mask earlier, set it to 4gig
1173 * now since the adapter can dma data to at least a 4gig
1174 * address space.
1175 */
1176 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1177 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1178 goto out_deinit;
1179
1180 aac->maximum_num_channels = aac_drivers[index].channels;
1181 error = aac_get_adapter_info(aac);
1182 if (error < 0)
1183 goto out_deinit;
1184
1185 /*
1186 * Lets override negotiations and drop the maximum SG limit to 34
1187 */
1188 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1189 (shost->sg_tablesize > 34)) {
1190 shost->sg_tablesize = 34;
1191 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1192 }
1193
1194 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1195 (shost->sg_tablesize > 17)) {
1196 shost->sg_tablesize = 17;
1197 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1198 }
1199
1200 error = pci_set_dma_max_seg_size(pdev,
1201 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1202 (shost->max_sectors << 9) : 65536);
1203 if (error)
1204 goto out_deinit;
1205
1206 /*
1207 * Firmware printf works only with older firmware.
1208 */
1209 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1210 aac->printf_enabled = 1;
1211 else
1212 aac->printf_enabled = 0;
1213
1214 /*
1215 * max channel will be the physical channels plus 1 virtual channel
1216 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1217 * physical channels are address by their actual physical number+1
1218 */
1219 if (aac->nondasd_support || expose_physicals || aac->jbod)
1220 shost->max_channel = aac->maximum_num_channels;
1221 else
1222 shost->max_channel = 0;
1223
1224 aac_get_config_status(aac, 0);
1225 aac_get_containers(aac);
1226 list_add(&aac->entry, insert);
1227
1228 shost->max_id = aac->maximum_num_containers;
1229 if (shost->max_id < aac->maximum_num_physicals)
1230 shost->max_id = aac->maximum_num_physicals;
1231 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1232 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1233 else
1234 shost->this_id = shost->max_id;
1235
1236 /*
1237 * dmb - we may need to move the setting of these parms somewhere else once
1238 * we get a fib that can report the actual numbers
1239 */
1240 shost->max_lun = AAC_MAX_LUN;
1241
1242 pci_set_drvdata(pdev, shost);
1243
1244 error = scsi_add_host(shost, &pdev->dev);
1245 if (error)
1246 goto out_deinit;
1247 scsi_scan_host(shost);
1248
1249 return 0;
1250
1251 out_deinit:
1252 __aac_shutdown(aac);
1253 out_unmap:
1254 aac_fib_map_free(aac);
1255 if (aac->comm_addr)
1256 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1257 aac->comm_phys);
1258 kfree(aac->queues);
1259 aac_adapter_ioremap(aac, 0);
1260 kfree(aac->fibs);
1261 kfree(aac->fsa_dev);
1262 out_free_host:
1263 scsi_host_put(shost);
1264 out_disable_pdev:
1265 pci_disable_device(pdev);
1266 out:
1267 return error;
1268 }
1269
1270 static void aac_shutdown(struct pci_dev *dev)
1271 {
1272 struct Scsi_Host *shost = pci_get_drvdata(dev);
1273 scsi_block_requests(shost);
1274 __aac_shutdown((struct aac_dev *)shost->hostdata);
1275 }
1276
1277 static void __devexit aac_remove_one(struct pci_dev *pdev)
1278 {
1279 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1280 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1281
1282 scsi_remove_host(shost);
1283
1284 __aac_shutdown(aac);
1285 aac_fib_map_free(aac);
1286 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1287 aac->comm_phys);
1288 kfree(aac->queues);
1289
1290 aac_adapter_ioremap(aac, 0);
1291
1292 kfree(aac->fibs);
1293 kfree(aac->fsa_dev);
1294
1295 list_del(&aac->entry);
1296 scsi_host_put(shost);
1297 pci_disable_device(pdev);
1298 if (list_empty(&aac_devices)) {
1299 unregister_chrdev(aac_cfg_major, "aac");
1300 aac_cfg_major = -1;
1301 }
1302 }
1303
1304 static struct pci_driver aac_pci_driver = {
1305 .name = AAC_DRIVERNAME,
1306 .id_table = aac_pci_tbl,
1307 .probe = aac_probe_one,
1308 .remove = __devexit_p(aac_remove_one),
1309 .shutdown = aac_shutdown,
1310 };
1311
1312 static int __init aac_init(void)
1313 {
1314 int error;
1315
1316 printk(KERN_INFO "Adaptec %s driver %s\n",
1317 AAC_DRIVERNAME, aac_driver_version);
1318
1319 error = pci_register_driver(&aac_pci_driver);
1320 if (error < 0)
1321 return error;
1322
1323 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1324 if (aac_cfg_major < 0) {
1325 printk(KERN_WARNING
1326 "aacraid: unable to register \"aac\" device.\n");
1327 }
1328
1329 return 0;
1330 }
1331
1332 static void __exit aac_exit(void)
1333 {
1334 if (aac_cfg_major > -1)
1335 unregister_chrdev(aac_cfg_major, "aac");
1336 pci_unregister_driver(&aac_pci_driver);
1337 }
1338
1339 module_init(aac_init);
1340 module_exit(aac_exit);