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This client driver allows you to use a GPIO pin as a source for PPS
[linux-2.6/next.git] / drivers / scsi / aacraid / linit.c
blob3382475dc22dcf1ac4167aed67da6056539b2131
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_DRIVERNAME "aacraid"
63
64 #ifdef AAC_DRIVER_BUILD
65 #define _str(x) #x
66 #define str(x) _str(x)
67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
68 #else
69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
70 #endif
71
72 MODULE_AUTHOR("Red Hat Inc and Adaptec");
73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74 "Adaptec Advanced Raid Products, "
75 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
78
79 static DEFINE_MUTEX(aac_mutex);
80 static LIST_HEAD(aac_devices);
81 static int aac_cfg_major = -1;
82 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
83
84 /*
85 * Because of the way Linux names scsi devices, the order in this table has
86 * become important. Check for on-board Raid first, add-in cards second.
87 *
88 * Note: The last field is used to index into aac_drivers below.
89 */
90 #ifdef DECLARE_PCI_DEVICE_TABLE
91 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
92 #elif defined(__devinitconst)
93 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
94 #else
95 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
96 #endif
97 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
98 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
99 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
100 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
101 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
102 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
103 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
104 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
105 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
106 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
107 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
108 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
109 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
110 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
111 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
112 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
113
114 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
115 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
116 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
117 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
118 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
121 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
122 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
123 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
125 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
126 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
127 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
128 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
129 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
130 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
131 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
132 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
133 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
134 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
135 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
136 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
137 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
138 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
139 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
140 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
141 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
142 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
143 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
144 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
145 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
146 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
147 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
148 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
149 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
150 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
151 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
152
153 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
154 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
155 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
156 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
157 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
158
159 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
160 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
161 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
162 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
163 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
164 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Catch All */
165 { 0,}
166 };
167 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
168
169 /*
170 * dmb - For now we add the number of channels to this structure.
171 * In the future we should add a fib that reports the number of channels
172 * for the card. At that time we can remove the channels from here
173 */
174 static struct aac_driver_ident aac_drivers[] = {
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
183 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
189 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
190 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
191
192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
195 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
200 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
205 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
206 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
207 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
208 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
209 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
210 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
214 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
221 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
223 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
226 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
227 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
228
229 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
230 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
231 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
232 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
233 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
234
235 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
236 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
237 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
238 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
239 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
240 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Catch All */
241 };
242
243 /**
244 * aac_queuecommand - queue a SCSI command
245 * @cmd: SCSI command to queue
246 * @done: Function to call on command completion
247 *
248 * Queues a command for execution by the associated Host Adapter.
249 *
250 * TODO: unify with aac_scsi_cmd().
251 */
252
253 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
254 {
255 struct Scsi_Host *host = cmd->device->host;
256 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
257 u32 count = 0;
258 cmd->scsi_done = done;
259 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
260 struct fib * fib = &dev->fibs[count];
261 struct scsi_cmnd * command;
262 if (fib->hw_fib_va->header.XferState &&
263 ((command = fib->callback_data)) &&
264 (command == cmd) &&
265 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
266 return 0; /* Already owned by Adapter */
267 }
268 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
269 return (aac_scsi_cmd(cmd) ? FAILED : 0);
270 }
271
272 static DEF_SCSI_QCMD(aac_queuecommand)
273
274 /**
275 * aac_info - Returns the host adapter name
276 * @shost: Scsi host to report on
277 *
278 * Returns a static string describing the device in question
279 */
280
281 static const char *aac_info(struct Scsi_Host *shost)
282 {
283 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
284 return aac_drivers[dev->cardtype].name;
285 }
286
287 /**
288 * aac_get_driver_ident
289 * @devtype: index into lookup table
290 *
291 * Returns a pointer to the entry in the driver lookup table.
292 */
293
294 struct aac_driver_ident* aac_get_driver_ident(int devtype)
295 {
296 return &aac_drivers[devtype];
297 }
298
299 /**
300 * aac_biosparm - return BIOS parameters for disk
301 * @sdev: The scsi device corresponding to the disk
302 * @bdev: the block device corresponding to the disk
303 * @capacity: the sector capacity of the disk
304 * @geom: geometry block to fill in
305 *
306 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
307 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
308 * number of cylinders so as not to exceed drive capacity. In order for
309 * disks equal to or larger than 1 GB to be addressable by the BIOS
310 * without exceeding the BIOS limitation of 1024 cylinders, Extended
311 * Translation should be enabled. With Extended Translation enabled,
312 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
313 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
314 * are given a disk geometry of 255 heads and 63 sectors. However, if
315 * the BIOS detects that the Extended Translation setting does not match
316 * the geometry in the partition table, then the translation inferred
317 * from the partition table will be used by the BIOS, and a warning may
318 * be displayed.
319 */
320
321 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
322 sector_t capacity, int *geom)
323 {
324 struct diskparm *param = (struct diskparm *)geom;
325 unsigned char *buf;
326
327 dprintk((KERN_DEBUG "aac_biosparm.\n"));
328
329 /*
330 * Assuming extended translation is enabled - #REVISIT#
331 */
332 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
333 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
334 param->heads = 255;
335 param->sectors = 63;
336 } else {
337 param->heads = 128;
338 param->sectors = 32;
339 }
340 } else {
341 param->heads = 64;
342 param->sectors = 32;
343 }
344
345 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
346
347 /*
348 * Read the first 1024 bytes from the disk device, if the boot
349 * sector partition table is valid, search for a partition table
350 * entry whose end_head matches one of the standard geometry
351 * translations ( 64/32, 128/32, 255/63 ).
352 */
353 buf = scsi_bios_ptable(bdev);
354 if (!buf)
355 return 0;
356 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
357 struct partition *first = (struct partition * )buf;
358 struct partition *entry = first;
359 int saved_cylinders = param->cylinders;
360 int num;
361 unsigned char end_head, end_sec;
362
363 for(num = 0; num < 4; num++) {
364 end_head = entry->end_head;
365 end_sec = entry->end_sector & 0x3f;
366
367 if(end_head == 63) {
368 param->heads = 64;
369 param->sectors = 32;
370 break;
371 } else if(end_head == 127) {
372 param->heads = 128;
373 param->sectors = 32;
374 break;
375 } else if(end_head == 254) {
376 param->heads = 255;
377 param->sectors = 63;
378 break;
379 }
380 entry++;
381 }
382
383 if (num == 4) {
384 end_head = first->end_head;
385 end_sec = first->end_sector & 0x3f;
386 }
387
388 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
389 if (num < 4 && end_sec == param->sectors) {
390 if (param->cylinders != saved_cylinders)
391 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
392 param->heads, param->sectors, num));
393 } else if (end_head > 0 || end_sec > 0) {
394 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
395 end_head + 1, end_sec, num));
396 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
397 param->heads, param->sectors));
398 }
399 }
400 kfree(buf);
401 return 0;
402 }
403
404 /**
405 * aac_slave_configure - compute queue depths
406 * @sdev: SCSI device we are considering
407 *
408 * Selects queue depths for each target device based on the host adapter's
409 * total capacity and the queue depth supported by the target device.
410 * A queue depth of one automatically disables tagged queueing.
411 */
412
413 static int aac_slave_configure(struct scsi_device *sdev)
414 {
415 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
416 if (aac->jbod && (sdev->type == TYPE_DISK))
417 sdev->removable = 1;
418 if ((sdev->type == TYPE_DISK) &&
419 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
420 (!aac->jbod || sdev->inq_periph_qual) &&
421 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
422 if (expose_physicals == 0)
423 return -ENXIO;
424 if (expose_physicals < 0)
425 sdev->no_uld_attach = 1;
426 }
427 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
428 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
429 !sdev->no_uld_attach) {
430 struct scsi_device * dev;
431 struct Scsi_Host *host = sdev->host;
432 unsigned num_lsu = 0;
433 unsigned num_one = 0;
434 unsigned depth;
435 unsigned cid;
436
437 /*
438 * Firmware has an individual device recovery time typically
439 * of 35 seconds, give us a margin.
440 */
441 if (sdev->request_queue->rq_timeout < (45 * HZ))
442 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
443 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
444 if (aac->fsa_dev[cid].valid)
445 ++num_lsu;
446 __shost_for_each_device(dev, host) {
447 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
448 (!aac->raid_scsi_mode ||
449 (sdev_channel(sdev) != 2)) &&
450 !dev->no_uld_attach) {
451 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
452 || !aac->fsa_dev[sdev_id(dev)].valid)
453 ++num_lsu;
454 } else
455 ++num_one;
456 }
457 if (num_lsu == 0)
458 ++num_lsu;
459 depth = (host->can_queue - num_one) / num_lsu;
460 if (depth > 256)
461 depth = 256;
462 else if (depth < 2)
463 depth = 2;
464 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
465 } else
466 scsi_adjust_queue_depth(sdev, 0, 1);
467
468 return 0;
469 }
470
471 /**
472 * aac_change_queue_depth - alter queue depths
473 * @sdev: SCSI device we are considering
474 * @depth: desired queue depth
475 *
476 * Alters queue depths for target device based on the host adapter's
477 * total capacity and the queue depth supported by the target device.
478 */
479
480 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
481 int reason)
482 {
483 if (reason != SCSI_QDEPTH_DEFAULT)
484 return -EOPNOTSUPP;
485
486 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
487 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
488 struct scsi_device * dev;
489 struct Scsi_Host *host = sdev->host;
490 unsigned num = 0;
491
492 __shost_for_each_device(dev, host) {
493 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
494 (sdev_channel(dev) == CONTAINER_CHANNEL))
495 ++num;
496 ++num;
497 }
498 if (num >= host->can_queue)
499 num = host->can_queue - 1;
500 if (depth > (host->can_queue - num))
501 depth = host->can_queue - num;
502 if (depth > 256)
503 depth = 256;
504 else if (depth < 2)
505 depth = 2;
506 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
507 } else
508 scsi_adjust_queue_depth(sdev, 0, 1);
509 return sdev->queue_depth;
510 }
511
512 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
513 {
514 struct scsi_device *sdev = to_scsi_device(dev);
515 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
516 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
517 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
518 ? "Hidden\n" :
519 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
520 return snprintf(buf, PAGE_SIZE, "%s\n",
521 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
522 }
523
524 static struct device_attribute aac_raid_level_attr = {
525 .attr = {
526 .name = "level",
527 .mode = S_IRUGO,
528 },
529 .show = aac_show_raid_level
530 };
531
532 static struct device_attribute *aac_dev_attrs[] = {
533 &aac_raid_level_attr,
534 NULL,
535 };
536
537 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
538 {
539 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
540 if (!capable(CAP_SYS_RAWIO))
541 return -EPERM;
542 return aac_do_ioctl(dev, cmd, arg);
543 }
544
545 static int aac_eh_abort(struct scsi_cmnd* cmd)
546 {
547 struct scsi_device * dev = cmd->device;
548 struct Scsi_Host * host = dev->host;
549 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
550 int count;
551 int ret = FAILED;
552
553 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
554 AAC_DRIVERNAME,
555 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
556 switch (cmd->cmnd[0]) {
557 case SERVICE_ACTION_IN:
558 if (!(aac->raw_io_interface) ||
559 !(aac->raw_io_64) ||
560 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
561 break;
562 case INQUIRY:
563 case READ_CAPACITY:
564 /* Mark associated FIB to not complete, eh handler does this */
565 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
566 struct fib * fib = &aac->fibs[count];
567 if (fib->hw_fib_va->header.XferState &&
568 (fib->flags & FIB_CONTEXT_FLAG) &&
569 (fib->callback_data == cmd)) {
570 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
571 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
572 ret = SUCCESS;
573 }
574 }
575 break;
576 case TEST_UNIT_READY:
577 /* Mark associated FIB to not complete, eh handler does this */
578 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
579 struct scsi_cmnd * command;
580 struct fib * fib = &aac->fibs[count];
581 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
582 (fib->flags & FIB_CONTEXT_FLAG) &&
583 ((command = fib->callback_data)) &&
584 (command->device == cmd->device)) {
585 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
586 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
587 if (command == cmd)
588 ret = SUCCESS;
589 }
590 }
591 }
592 return ret;
593 }
594
595 /*
596 * aac_eh_reset - Reset command handling
597 * @scsi_cmd: SCSI command block causing the reset
598 *
599 */
600 static int aac_eh_reset(struct scsi_cmnd* cmd)
601 {
602 struct scsi_device * dev = cmd->device;
603 struct Scsi_Host * host = dev->host;
604 struct scsi_cmnd * command;
605 int count;
606 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
607 unsigned long flags;
608
609 /* Mark the associated FIB to not complete, eh handler does this */
610 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
611 struct fib * fib = &aac->fibs[count];
612 if (fib->hw_fib_va->header.XferState &&
613 (fib->flags & FIB_CONTEXT_FLAG) &&
614 (fib->callback_data == cmd)) {
615 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
616 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
617 }
618 }
619 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
620 AAC_DRIVERNAME);
621
622 if ((count = aac_check_health(aac)))
623 return count;
624 /*
625 * Wait for all commands to complete to this specific
626 * target (block maximum 60 seconds).
627 */
628 for (count = 60; count; --count) {
629 int active = aac->in_reset;
630
631 if (active == 0)
632 __shost_for_each_device(dev, host) {
633 spin_lock_irqsave(&dev->list_lock, flags);
634 list_for_each_entry(command, &dev->cmd_list, list) {
635 if ((command != cmd) &&
636 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
637 active++;
638 break;
639 }
640 }
641 spin_unlock_irqrestore(&dev->list_lock, flags);
642 if (active)
643 break;
644
645 }
646 /*
647 * We can exit If all the commands are complete
648 */
649 if (active == 0)
650 return SUCCESS;
651 ssleep(1);
652 }
653 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
654 /*
655 * This adapter needs a blind reset, only do so for Adapters that
656 * support a register, instead of a commanded, reset.
657 */
658 if (((aac->supplement_adapter_info.SupportedOptions2 &
659 AAC_OPTION_MU_RESET) ||
660 (aac->supplement_adapter_info.SupportedOptions2 &
661 AAC_OPTION_DOORBELL_RESET)) &&
662 aac_check_reset &&
663 ((aac_check_reset != 1) ||
664 !(aac->supplement_adapter_info.SupportedOptions2 &
665 AAC_OPTION_IGNORE_RESET)))
666 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
667 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
668 }
669
670 /**
671 * aac_cfg_open - open a configuration file
672 * @inode: inode being opened
673 * @file: file handle attached
674 *
675 * Called when the configuration device is opened. Does the needed
676 * set up on the handle and then returns
677 *
678 * Bugs: This needs extending to check a given adapter is present
679 * so we can support hot plugging, and to ref count adapters.
680 */
681
682 static int aac_cfg_open(struct inode *inode, struct file *file)
683 {
684 struct aac_dev *aac;
685 unsigned minor_number = iminor(inode);
686 int err = -ENODEV;
687
688 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
689 list_for_each_entry(aac, &aac_devices, entry) {
690 if (aac->id == minor_number) {
691 file->private_data = aac;
692 err = 0;
693 break;
694 }
695 }
696 mutex_unlock(&aac_mutex);
697
698 return err;
699 }
700
701 /**
702 * aac_cfg_ioctl - AAC configuration request
703 * @inode: inode of device
704 * @file: file handle
705 * @cmd: ioctl command code
706 * @arg: argument
707 *
708 * Handles a configuration ioctl. Currently this involves wrapping it
709 * up and feeding it into the nasty windowsalike glue layer.
710 *
711 * Bugs: Needs locking against parallel ioctls lower down
712 * Bugs: Needs to handle hot plugging
713 */
714
715 static long aac_cfg_ioctl(struct file *file,
716 unsigned int cmd, unsigned long arg)
717 {
718 int ret;
719 if (!capable(CAP_SYS_RAWIO))
720 return -EPERM;
721 mutex_lock(&aac_mutex);
722 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
723 mutex_unlock(&aac_mutex);
724
725 return ret;
726 }
727
728 #ifdef CONFIG_COMPAT
729 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
730 {
731 long ret;
732 mutex_lock(&aac_mutex);
733 switch (cmd) {
734 case FSACTL_MINIPORT_REV_CHECK:
735 case FSACTL_SENDFIB:
736 case FSACTL_OPEN_GET_ADAPTER_FIB:
737 case FSACTL_CLOSE_GET_ADAPTER_FIB:
738 case FSACTL_SEND_RAW_SRB:
739 case FSACTL_GET_PCI_INFO:
740 case FSACTL_QUERY_DISK:
741 case FSACTL_DELETE_DISK:
742 case FSACTL_FORCE_DELETE_DISK:
743 case FSACTL_GET_CONTAINERS:
744 case FSACTL_SEND_LARGE_FIB:
745 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
746 break;
747
748 case FSACTL_GET_NEXT_ADAPTER_FIB: {
749 struct fib_ioctl __user *f;
750
751 f = compat_alloc_user_space(sizeof(*f));
752 ret = 0;
753 if (clear_user(f, sizeof(*f)))
754 ret = -EFAULT;
755 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
756 ret = -EFAULT;
757 if (!ret)
758 ret = aac_do_ioctl(dev, cmd, f);
759 break;
760 }
761
762 default:
763 ret = -ENOIOCTLCMD;
764 break;
765 }
766 mutex_unlock(&aac_mutex);
767 return ret;
768 }
769
770 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
771 {
772 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
773 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
774 }
775
776 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
777 {
778 if (!capable(CAP_SYS_RAWIO))
779 return -EPERM;
780 return aac_compat_do_ioctl(file->private_data, cmd, arg);
781 }
782 #endif
783
784 static ssize_t aac_show_model(struct device *device,
785 struct device_attribute *attr, char *buf)
786 {
787 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
788 int len;
789
790 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
791 char * cp = dev->supplement_adapter_info.AdapterTypeText;
792 while (*cp && *cp != ' ')
793 ++cp;
794 while (*cp == ' ')
795 ++cp;
796 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
797 } else
798 len = snprintf(buf, PAGE_SIZE, "%s\n",
799 aac_drivers[dev->cardtype].model);
800 return len;
801 }
802
803 static ssize_t aac_show_vendor(struct device *device,
804 struct device_attribute *attr, char *buf)
805 {
806 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
807 int len;
808
809 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
810 char * cp = dev->supplement_adapter_info.AdapterTypeText;
811 while (*cp && *cp != ' ')
812 ++cp;
813 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
814 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
815 dev->supplement_adapter_info.AdapterTypeText);
816 } else
817 len = snprintf(buf, PAGE_SIZE, "%s\n",
818 aac_drivers[dev->cardtype].vname);
819 return len;
820 }
821
822 static ssize_t aac_show_flags(struct device *cdev,
823 struct device_attribute *attr, char *buf)
824 {
825 int len = 0;
826 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
827
828 if (nblank(dprintk(x)))
829 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
830 #ifdef AAC_DETAILED_STATUS_INFO
831 len += snprintf(buf + len, PAGE_SIZE - len,
832 "AAC_DETAILED_STATUS_INFO\n");
833 #endif
834 if (dev->raw_io_interface && dev->raw_io_64)
835 len += snprintf(buf + len, PAGE_SIZE - len,
836 "SAI_READ_CAPACITY_16\n");
837 if (dev->jbod)
838 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
839 if (dev->supplement_adapter_info.SupportedOptions2 &
840 AAC_OPTION_POWER_MANAGEMENT)
841 len += snprintf(buf + len, PAGE_SIZE - len,
842 "SUPPORTED_POWER_MANAGEMENT\n");
843 if (dev->msi)
844 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
845 return len;
846 }
847
848 static ssize_t aac_show_kernel_version(struct device *device,
849 struct device_attribute *attr,
850 char *buf)
851 {
852 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
853 int len, tmp;
854
855 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
856 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
857 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
858 le32_to_cpu(dev->adapter_info.kernelbuild));
859 return len;
860 }
861
862 static ssize_t aac_show_monitor_version(struct device *device,
863 struct device_attribute *attr,
864 char *buf)
865 {
866 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
867 int len, tmp;
868
869 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
870 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
871 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
872 le32_to_cpu(dev->adapter_info.monitorbuild));
873 return len;
874 }
875
876 static ssize_t aac_show_bios_version(struct device *device,
877 struct device_attribute *attr,
878 char *buf)
879 {
880 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
881 int len, tmp;
882
883 tmp = le32_to_cpu(dev->adapter_info.biosrev);
884 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
885 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
886 le32_to_cpu(dev->adapter_info.biosbuild));
887 return len;
888 }
889
890 static ssize_t aac_show_serial_number(struct device *device,
891 struct device_attribute *attr, char *buf)
892 {
893 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
894 int len = 0;
895
896 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
897 len = snprintf(buf, PAGE_SIZE, "%06X\n",
898 le32_to_cpu(dev->adapter_info.serial[0]));
899 if (len &&
900 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
901 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
902 buf, len-1))
903 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
904 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
905 dev->supplement_adapter_info.MfgPcbaSerialNo);
906 return len;
907 }
908
909 static ssize_t aac_show_max_channel(struct device *device,
910 struct device_attribute *attr, char *buf)
911 {
912 return snprintf(buf, PAGE_SIZE, "%d\n",
913 class_to_shost(device)->max_channel);
914 }
915
916 static ssize_t aac_show_max_id(struct device *device,
917 struct device_attribute *attr, char *buf)
918 {
919 return snprintf(buf, PAGE_SIZE, "%d\n",
920 class_to_shost(device)->max_id);
921 }
922
923 static ssize_t aac_store_reset_adapter(struct device *device,
924 struct device_attribute *attr,
925 const char *buf, size_t count)
926 {
927 int retval = -EACCES;
928
929 if (!capable(CAP_SYS_ADMIN))
930 return retval;
931 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
932 if (retval >= 0)
933 retval = count;
934 return retval;
935 }
936
937 static ssize_t aac_show_reset_adapter(struct device *device,
938 struct device_attribute *attr,
939 char *buf)
940 {
941 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
942 int len, tmp;
943
944 tmp = aac_adapter_check_health(dev);
945 if ((tmp == 0) && dev->in_reset)
946 tmp = -EBUSY;
947 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
948 return len;
949 }
950
951 static struct device_attribute aac_model = {
952 .attr = {
953 .name = "model",
954 .mode = S_IRUGO,
955 },
956 .show = aac_show_model,
957 };
958 static struct device_attribute aac_vendor = {
959 .attr = {
960 .name = "vendor",
961 .mode = S_IRUGO,
962 },
963 .show = aac_show_vendor,
964 };
965 static struct device_attribute aac_flags = {
966 .attr = {
967 .name = "flags",
968 .mode = S_IRUGO,
969 },
970 .show = aac_show_flags,
971 };
972 static struct device_attribute aac_kernel_version = {
973 .attr = {
974 .name = "hba_kernel_version",
975 .mode = S_IRUGO,
976 },
977 .show = aac_show_kernel_version,
978 };
979 static struct device_attribute aac_monitor_version = {
980 .attr = {
981 .name = "hba_monitor_version",
982 .mode = S_IRUGO,
983 },
984 .show = aac_show_monitor_version,
985 };
986 static struct device_attribute aac_bios_version = {
987 .attr = {
988 .name = "hba_bios_version",
989 .mode = S_IRUGO,
990 },
991 .show = aac_show_bios_version,
992 };
993 static struct device_attribute aac_serial_number = {
994 .attr = {
995 .name = "serial_number",
996 .mode = S_IRUGO,
997 },
998 .show = aac_show_serial_number,
999 };
1000 static struct device_attribute aac_max_channel = {
1001 .attr = {
1002 .name = "max_channel",
1003 .mode = S_IRUGO,
1004 },
1005 .show = aac_show_max_channel,
1006 };
1007 static struct device_attribute aac_max_id = {
1008 .attr = {
1009 .name = "max_id",
1010 .mode = S_IRUGO,
1011 },
1012 .show = aac_show_max_id,
1013 };
1014 static struct device_attribute aac_reset = {
1015 .attr = {
1016 .name = "reset_host",
1017 .mode = S_IWUSR|S_IRUGO,
1018 },
1019 .store = aac_store_reset_adapter,
1020 .show = aac_show_reset_adapter,
1021 };
1022
1023 static struct device_attribute *aac_attrs[] = {
1024 &aac_model,
1025 &aac_vendor,
1026 &aac_flags,
1027 &aac_kernel_version,
1028 &aac_monitor_version,
1029 &aac_bios_version,
1030 &aac_serial_number,
1031 &aac_max_channel,
1032 &aac_max_id,
1033 &aac_reset,
1034 NULL
1035 };
1036
1037 ssize_t aac_get_serial_number(struct device *device, char *buf)
1038 {
1039 return aac_show_serial_number(device, &aac_serial_number, buf);
1040 }
1041
1042 static const struct file_operations aac_cfg_fops = {
1043 .owner = THIS_MODULE,
1044 .unlocked_ioctl = aac_cfg_ioctl,
1045 #ifdef CONFIG_COMPAT
1046 .compat_ioctl = aac_compat_cfg_ioctl,
1047 #endif
1048 .open = aac_cfg_open,
1049 .llseek = noop_llseek,
1050 };
1051
1052 static struct scsi_host_template aac_driver_template = {
1053 .module = THIS_MODULE,
1054 .name = "AAC",
1055 .proc_name = AAC_DRIVERNAME,
1056 .info = aac_info,
1057 .ioctl = aac_ioctl,
1058 #ifdef CONFIG_COMPAT
1059 .compat_ioctl = aac_compat_ioctl,
1060 #endif
1061 .queuecommand = aac_queuecommand,
1062 .bios_param = aac_biosparm,
1063 .shost_attrs = aac_attrs,
1064 .slave_configure = aac_slave_configure,
1065 .change_queue_depth = aac_change_queue_depth,
1066 .sdev_attrs = aac_dev_attrs,
1067 .eh_abort_handler = aac_eh_abort,
1068 .eh_host_reset_handler = aac_eh_reset,
1069 .can_queue = AAC_NUM_IO_FIB,
1070 .this_id = MAXIMUM_NUM_CONTAINERS,
1071 .sg_tablesize = 16,
1072 .max_sectors = 128,
1073 #if (AAC_NUM_IO_FIB > 256)
1074 .cmd_per_lun = 256,
1075 #else
1076 .cmd_per_lun = AAC_NUM_IO_FIB,
1077 #endif
1078 .use_clustering = ENABLE_CLUSTERING,
1079 .emulated = 1,
1080 };
1081
1082 static void __aac_shutdown(struct aac_dev * aac)
1083 {
1084 if (aac->aif_thread)
1085 kthread_stop(aac->thread);
1086 aac_send_shutdown(aac);
1087 aac_adapter_disable_int(aac);
1088 free_irq(aac->pdev->irq, aac);
1089 if (aac->msi)
1090 pci_disable_msi(aac->pdev);
1091 }
1092
1093 static int __devinit aac_probe_one(struct pci_dev *pdev,
1094 const struct pci_device_id *id)
1095 {
1096 unsigned index = id->driver_data;
1097 struct Scsi_Host *shost;
1098 struct aac_dev *aac;
1099 struct list_head *insert = &aac_devices;
1100 int error = -ENODEV;
1101 int unique_id = 0;
1102 u64 dmamask;
1103
1104 list_for_each_entry(aac, &aac_devices, entry) {
1105 if (aac->id > unique_id)
1106 break;
1107 insert = &aac->entry;
1108 unique_id++;
1109 }
1110
1111 error = pci_enable_device(pdev);
1112 if (error)
1113 goto out;
1114 error = -ENODEV;
1115
1116 /*
1117 * If the quirk31 bit is set, the adapter needs adapter
1118 * to driver communication memory to be allocated below 2gig
1119 */
1120 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1121 dmamask = DMA_BIT_MASK(31);
1122 else
1123 dmamask = DMA_BIT_MASK(32);
1124
1125 if (pci_set_dma_mask(pdev, dmamask) ||
1126 pci_set_consistent_dma_mask(pdev, dmamask))
1127 goto out_disable_pdev;
1128
1129 pci_set_master(pdev);
1130
1131 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1132 if (!shost)
1133 goto out_disable_pdev;
1134
1135 shost->irq = pdev->irq;
1136 shost->base = pci_resource_start(pdev, 0);
1137 shost->unique_id = unique_id;
1138 shost->max_cmd_len = 16;
1139
1140 aac = (struct aac_dev *)shost->hostdata;
1141 aac->scsi_host_ptr = shost;
1142 aac->pdev = pdev;
1143 aac->name = aac_driver_template.name;
1144 aac->id = shost->unique_id;
1145 aac->cardtype = index;
1146 INIT_LIST_HEAD(&aac->entry);
1147
1148 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1149 if (!aac->fibs)
1150 goto out_free_host;
1151 spin_lock_init(&aac->fib_lock);
1152
1153 /*
1154 * Map in the registers from the adapter.
1155 */
1156 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1157 if ((*aac_drivers[index].init)(aac))
1158 goto out_unmap;
1159
1160 /*
1161 * Start any kernel threads needed
1162 */
1163 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1164 if (IS_ERR(aac->thread)) {
1165 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1166 error = PTR_ERR(aac->thread);
1167 goto out_deinit;
1168 }
1169
1170 /*
1171 * If we had set a smaller DMA mask earlier, set it to 4gig
1172 * now since the adapter can dma data to at least a 4gig
1173 * address space.
1174 */
1175 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1176 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1177 goto out_deinit;
1178
1179 aac->maximum_num_channels = aac_drivers[index].channels;
1180 error = aac_get_adapter_info(aac);
1181 if (error < 0)
1182 goto out_deinit;
1183
1184 /*
1185 * Lets override negotiations and drop the maximum SG limit to 34
1186 */
1187 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1188 (shost->sg_tablesize > 34)) {
1189 shost->sg_tablesize = 34;
1190 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1191 }
1192
1193 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1194 (shost->sg_tablesize > 17)) {
1195 shost->sg_tablesize = 17;
1196 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1197 }
1198
1199 error = pci_set_dma_max_seg_size(pdev,
1200 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1201 (shost->max_sectors << 9) : 65536);
1202 if (error)
1203 goto out_deinit;
1204
1205 /*
1206 * Firmware printf works only with older firmware.
1207 */
1208 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1209 aac->printf_enabled = 1;
1210 else
1211 aac->printf_enabled = 0;
1212
1213 /*
1214 * max channel will be the physical channels plus 1 virtual channel
1215 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1216 * physical channels are address by their actual physical number+1
1217 */
1218 if (aac->nondasd_support || expose_physicals || aac->jbod)
1219 shost->max_channel = aac->maximum_num_channels;
1220 else
1221 shost->max_channel = 0;
1222
1223 aac_get_config_status(aac, 0);
1224 aac_get_containers(aac);
1225 list_add(&aac->entry, insert);
1226
1227 shost->max_id = aac->maximum_num_containers;
1228 if (shost->max_id < aac->maximum_num_physicals)
1229 shost->max_id = aac->maximum_num_physicals;
1230 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1231 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1232 else
1233 shost->this_id = shost->max_id;
1234
1235 /*
1236 * dmb - we may need to move the setting of these parms somewhere else once
1237 * we get a fib that can report the actual numbers
1238 */
1239 shost->max_lun = AAC_MAX_LUN;
1240
1241 pci_set_drvdata(pdev, shost);
1242
1243 error = scsi_add_host(shost, &pdev->dev);
1244 if (error)
1245 goto out_deinit;
1246 scsi_scan_host(shost);
1247
1248 return 0;
1249
1250 out_deinit:
1251 __aac_shutdown(aac);
1252 out_unmap:
1253 aac_fib_map_free(aac);
1254 if (aac->comm_addr)
1255 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1256 aac->comm_phys);
1257 kfree(aac->queues);
1258 aac_adapter_ioremap(aac, 0);
1259 kfree(aac->fibs);
1260 kfree(aac->fsa_dev);
1261 out_free_host:
1262 scsi_host_put(shost);
1263 out_disable_pdev:
1264 pci_disable_device(pdev);
1265 out:
1266 return error;
1267 }
1268
1269 static void aac_shutdown(struct pci_dev *dev)
1270 {
1271 struct Scsi_Host *shost = pci_get_drvdata(dev);
1272 scsi_block_requests(shost);
1273 __aac_shutdown((struct aac_dev *)shost->hostdata);
1274 }
1275
1276 static void __devexit aac_remove_one(struct pci_dev *pdev)
1277 {
1278 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1279 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1280
1281 scsi_remove_host(shost);
1282
1283 __aac_shutdown(aac);
1284 aac_fib_map_free(aac);
1285 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1286 aac->comm_phys);
1287 kfree(aac->queues);
1288
1289 aac_adapter_ioremap(aac, 0);
1290
1291 kfree(aac->fibs);
1292 kfree(aac->fsa_dev);
1293
1294 list_del(&aac->entry);
1295 scsi_host_put(shost);
1296 pci_disable_device(pdev);
1297 if (list_empty(&aac_devices)) {
1298 unregister_chrdev(aac_cfg_major, "aac");
1299 aac_cfg_major = -1;
1300 }
1301 }
1302
1303 static struct pci_driver aac_pci_driver = {
1304 .name = AAC_DRIVERNAME,
1305 .id_table = aac_pci_tbl,
1306 .probe = aac_probe_one,
1307 .remove = __devexit_p(aac_remove_one),
1308 .shutdown = aac_shutdown,
1309 };
1310
1311 static int __init aac_init(void)
1312 {
1313 int error;
1314
1315 printk(KERN_INFO "Adaptec %s driver %s\n",
1316 AAC_DRIVERNAME, aac_driver_version);
1317
1318 error = pci_register_driver(&aac_pci_driver);
1319 if (error < 0)
1320 return error;
1321
1322 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1323 if (aac_cfg_major < 0) {
1324 printk(KERN_WARNING
1325 "aacraid: unable to register \"aac\" device.\n");
1326 }
1327
1328 return 0;
1329 }
1330
1331 static void __exit aac_exit(void)
1332 {
1333 if (aac_cfg_major > -1)
1334 unregister_chrdev(aac_cfg_major, "aac");
1335 pci_unregister_driver(&aac_pci_driver);
1336 }
1337
1338 module_init(aac_init);
1339 module_exit(aac_exit);
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