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[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / aacraid / linit.c
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/spinlock.h>
42 #include <linux/syscalls.h>
43 #include <linux/delay.h>
44 #include <linux/kthread.h>
45
46 #include <scsi/scsi.h>
47 #include <scsi/scsi_cmnd.h>
48 #include <scsi/scsi_device.h>
49 #include <scsi/scsi_host.h>
50 #include <scsi/scsi_tcq.h>
51 #include <scsi/scsicam.h>
52 #include <scsi/scsi_eh.h>
53
54 #include "aacraid.h"
55
56 #define AAC_DRIVER_VERSION "1.1-5"
57 #ifndef AAC_DRIVER_BRANCH
58 #define AAC_DRIVER_BRANCH ""
59 #endif
60 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
61 #define AAC_DRIVERNAME "aacraid"
62
63 #ifdef AAC_DRIVER_BUILD
64 #define _str(x) #x
65 #define str(x) _str(x)
66 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
67 #else
68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
69 #endif
70
71 MODULE_AUTHOR("Red Hat Inc and Adaptec");
72 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
73 "Adaptec Advanced Raid Products, "
74 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
75 MODULE_LICENSE("GPL");
76 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
77
78 static LIST_HEAD(aac_devices);
79 static int aac_cfg_major = -1;
80 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
81
82 /*
83 * Because of the way Linux names scsi devices, the order in this table has
84 * become important. Check for on-board Raid first, add-in cards second.
85 *
86 * Note: The last field is used to index into aac_drivers below.
87 */
88 static struct pci_device_id aac_pci_tbl[] = {
89 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
90 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
91 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
92 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
93 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
94 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
95 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
96 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
97 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
98 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
99 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
100 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
101 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
102 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
103 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
104 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
105
106 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
107 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
108 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
109 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
110 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
111 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
112 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
113 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
114 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
115 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
116 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
117 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
118 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
120 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
121 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
122 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
123 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
124 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
125 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
126 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
127 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
128 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
129 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
130 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
131 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
132 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
133 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
134 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
135 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
136 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
137 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
138 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
139 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
140 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
141 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
142 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
143 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
144
145 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
146 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
147 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
148 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
149 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
150
151 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
152 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
153 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
154 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
155 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
156 { 0,}
157 };
158 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
159
160 /*
161 * dmb - For now we add the number of channels to this structure.
162 * In the future we should add a fib that reports the number of channels
163 * for the card. At that time we can remove the channels from here
164 */
165 static struct aac_driver_ident aac_drivers[] = {
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
175 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
176 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
180 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
181 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
182
183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
187 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
188 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
189 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
192 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
193 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
195 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
196 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
197 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
198 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
200 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
201 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
205 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
208 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
212 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
213 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
214 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
218 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
219
220 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
221 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
222 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
223 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
224 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
225
226 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
227 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
228 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
229 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
230 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
231 };
232
233 /**
234 * aac_queuecommand - queue a SCSI command
235 * @cmd: SCSI command to queue
236 * @done: Function to call on command completion
237 *
238 * Queues a command for execution by the associated Host Adapter.
239 *
240 * TODO: unify with aac_scsi_cmd().
241 */
242
243 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
244 {
245 struct Scsi_Host *host = cmd->device->host;
246 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
247 u32 count = 0;
248 cmd->scsi_done = done;
249 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
250 struct fib * fib = &dev->fibs[count];
251 struct scsi_cmnd * command;
252 if (fib->hw_fib_va->header.XferState &&
253 ((command = fib->callback_data)) &&
254 (command == cmd) &&
255 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
256 return 0; /* Already owned by Adapter */
257 }
258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259 return (aac_scsi_cmd(cmd) ? FAILED : 0);
260 }
261
262 /**
263 * aac_info - Returns the host adapter name
264 * @shost: Scsi host to report on
265 *
266 * Returns a static string describing the device in question
267 */
268
269 static const char *aac_info(struct Scsi_Host *shost)
270 {
271 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
272 return aac_drivers[dev->cardtype].name;
273 }
274
275 /**
276 * aac_get_driver_ident
277 * @devtype: index into lookup table
278 *
279 * Returns a pointer to the entry in the driver lookup table.
280 */
281
282 struct aac_driver_ident* aac_get_driver_ident(int devtype)
283 {
284 return &aac_drivers[devtype];
285 }
286
287 /**
288 * aac_biosparm - return BIOS parameters for disk
289 * @sdev: The scsi device corresponding to the disk
290 * @bdev: the block device corresponding to the disk
291 * @capacity: the sector capacity of the disk
292 * @geom: geometry block to fill in
293 *
294 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
295 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
296 * number of cylinders so as not to exceed drive capacity. In order for
297 * disks equal to or larger than 1 GB to be addressable by the BIOS
298 * without exceeding the BIOS limitation of 1024 cylinders, Extended
299 * Translation should be enabled. With Extended Translation enabled,
300 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
301 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
302 * are given a disk geometry of 255 heads and 63 sectors. However, if
303 * the BIOS detects that the Extended Translation setting does not match
304 * the geometry in the partition table, then the translation inferred
305 * from the partition table will be used by the BIOS, and a warning may
306 * be displayed.
307 */
308
309 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
310 sector_t capacity, int *geom)
311 {
312 struct diskparm *param = (struct diskparm *)geom;
313 unsigned char *buf;
314
315 dprintk((KERN_DEBUG "aac_biosparm.\n"));
316
317 /*
318 * Assuming extended translation is enabled - #REVISIT#
319 */
320 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
321 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
322 param->heads = 255;
323 param->sectors = 63;
324 } else {
325 param->heads = 128;
326 param->sectors = 32;
327 }
328 } else {
329 param->heads = 64;
330 param->sectors = 32;
331 }
332
333 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
334
335 /*
336 * Read the first 1024 bytes from the disk device, if the boot
337 * sector partition table is valid, search for a partition table
338 * entry whose end_head matches one of the standard geometry
339 * translations ( 64/32, 128/32, 255/63 ).
340 */
341 buf = scsi_bios_ptable(bdev);
342 if (!buf)
343 return 0;
344 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
345 struct partition *first = (struct partition * )buf;
346 struct partition *entry = first;
347 int saved_cylinders = param->cylinders;
348 int num;
349 unsigned char end_head, end_sec;
350
351 for(num = 0; num < 4; num++) {
352 end_head = entry->end_head;
353 end_sec = entry->end_sector & 0x3f;
354
355 if(end_head == 63) {
356 param->heads = 64;
357 param->sectors = 32;
358 break;
359 } else if(end_head == 127) {
360 param->heads = 128;
361 param->sectors = 32;
362 break;
363 } else if(end_head == 254) {
364 param->heads = 255;
365 param->sectors = 63;
366 break;
367 }
368 entry++;
369 }
370
371 if (num == 4) {
372 end_head = first->end_head;
373 end_sec = first->end_sector & 0x3f;
374 }
375
376 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
377 if (num < 4 && end_sec == param->sectors) {
378 if (param->cylinders != saved_cylinders)
379 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
380 param->heads, param->sectors, num));
381 } else if (end_head > 0 || end_sec > 0) {
382 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
383 end_head + 1, end_sec, num));
384 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
385 param->heads, param->sectors));
386 }
387 }
388 kfree(buf);
389 return 0;
390 }
391
392 /**
393 * aac_slave_configure - compute queue depths
394 * @sdev: SCSI device we are considering
395 *
396 * Selects queue depths for each target device based on the host adapter's
397 * total capacity and the queue depth supported by the target device.
398 * A queue depth of one automatically disables tagged queueing.
399 */
400
401 static int aac_slave_configure(struct scsi_device *sdev)
402 {
403 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
404 if (aac->jbod && (sdev->type == TYPE_DISK))
405 sdev->removable = 1;
406 if ((sdev->type == TYPE_DISK) &&
407 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
408 (!aac->jbod || sdev->inq_periph_qual) &&
409 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
410 if (expose_physicals == 0)
411 return -ENXIO;
412 if (expose_physicals < 0)
413 sdev->no_uld_attach = 1;
414 }
415 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
416 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
417 !sdev->no_uld_attach) {
418 struct scsi_device * dev;
419 struct Scsi_Host *host = sdev->host;
420 unsigned num_lsu = 0;
421 unsigned num_one = 0;
422 unsigned depth;
423 unsigned cid;
424
425 /*
426 * Firmware has an individual device recovery time typically
427 * of 35 seconds, give us a margin.
428 */
429 if (sdev->timeout < (45 * HZ))
430 sdev->timeout = 45 * HZ;
431 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
432 if (aac->fsa_dev[cid].valid)
433 ++num_lsu;
434 __shost_for_each_device(dev, host) {
435 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
436 (!aac->raid_scsi_mode ||
437 (sdev_channel(sdev) != 2)) &&
438 !dev->no_uld_attach) {
439 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
440 || !aac->fsa_dev[sdev_id(dev)].valid)
441 ++num_lsu;
442 } else
443 ++num_one;
444 }
445 if (num_lsu == 0)
446 ++num_lsu;
447 depth = (host->can_queue - num_one) / num_lsu;
448 if (depth > 256)
449 depth = 256;
450 else if (depth < 2)
451 depth = 2;
452 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
453 } else
454 scsi_adjust_queue_depth(sdev, 0, 1);
455
456 return 0;
457 }
458
459 /**
460 * aac_change_queue_depth - alter queue depths
461 * @sdev: SCSI device we are considering
462 * @depth: desired queue depth
463 *
464 * Alters queue depths for target device based on the host adapter's
465 * total capacity and the queue depth supported by the target device.
466 */
467
468 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
469 {
470 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
471 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
472 struct scsi_device * dev;
473 struct Scsi_Host *host = sdev->host;
474 unsigned num = 0;
475
476 __shost_for_each_device(dev, host) {
477 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
478 (sdev_channel(dev) == CONTAINER_CHANNEL))
479 ++num;
480 ++num;
481 }
482 if (num >= host->can_queue)
483 num = host->can_queue - 1;
484 if (depth > (host->can_queue - num))
485 depth = host->can_queue - num;
486 if (depth > 256)
487 depth = 256;
488 else if (depth < 2)
489 depth = 2;
490 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
491 } else
492 scsi_adjust_queue_depth(sdev, 0, 1);
493 return sdev->queue_depth;
494 }
495
496 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
497 {
498 struct scsi_device *sdev = to_scsi_device(dev);
499 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
500 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
501 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
502 ? "Hidden\n" :
503 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
504 return snprintf(buf, PAGE_SIZE, "%s\n",
505 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
506 }
507
508 static struct device_attribute aac_raid_level_attr = {
509 .attr = {
510 .name = "level",
511 .mode = S_IRUGO,
512 },
513 .show = aac_show_raid_level
514 };
515
516 static struct device_attribute *aac_dev_attrs[] = {
517 &aac_raid_level_attr,
518 NULL,
519 };
520
521 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
522 {
523 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
524 if (!capable(CAP_SYS_RAWIO))
525 return -EPERM;
526 return aac_do_ioctl(dev, cmd, arg);
527 }
528
529 static int aac_eh_abort(struct scsi_cmnd* cmd)
530 {
531 struct scsi_device * dev = cmd->device;
532 struct Scsi_Host * host = dev->host;
533 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
534 int count;
535 int ret = FAILED;
536
537 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
538 AAC_DRIVERNAME,
539 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
540 switch (cmd->cmnd[0]) {
541 case SERVICE_ACTION_IN:
542 if (!(aac->raw_io_interface) ||
543 !(aac->raw_io_64) ||
544 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
545 break;
546 case INQUIRY:
547 case READ_CAPACITY:
548 /* Mark associated FIB to not complete, eh handler does this */
549 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
550 struct fib * fib = &aac->fibs[count];
551 if (fib->hw_fib_va->header.XferState &&
552 (fib->flags & FIB_CONTEXT_FLAG) &&
553 (fib->callback_data == cmd)) {
554 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
555 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
556 ret = SUCCESS;
557 }
558 }
559 break;
560 case TEST_UNIT_READY:
561 /* Mark associated FIB to not complete, eh handler does this */
562 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
563 struct scsi_cmnd * command;
564 struct fib * fib = &aac->fibs[count];
565 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
566 (fib->flags & FIB_CONTEXT_FLAG) &&
567 ((command = fib->callback_data)) &&
568 (command->device == cmd->device)) {
569 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
570 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
571 if (command == cmd)
572 ret = SUCCESS;
573 }
574 }
575 }
576 return ret;
577 }
578
579 /*
580 * aac_eh_reset - Reset command handling
581 * @scsi_cmd: SCSI command block causing the reset
582 *
583 */
584 static int aac_eh_reset(struct scsi_cmnd* cmd)
585 {
586 struct scsi_device * dev = cmd->device;
587 struct Scsi_Host * host = dev->host;
588 struct scsi_cmnd * command;
589 int count;
590 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
591 unsigned long flags;
592
593 /* Mark the associated FIB to not complete, eh handler does this */
594 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
595 struct fib * fib = &aac->fibs[count];
596 if (fib->hw_fib_va->header.XferState &&
597 (fib->flags & FIB_CONTEXT_FLAG) &&
598 (fib->callback_data == cmd)) {
599 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
600 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
601 }
602 }
603 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
604 AAC_DRIVERNAME);
605
606 if ((count = aac_check_health(aac)))
607 return count;
608 /*
609 * Wait for all commands to complete to this specific
610 * target (block maximum 60 seconds).
611 */
612 for (count = 60; count; --count) {
613 int active = aac->in_reset;
614
615 if (active == 0)
616 __shost_for_each_device(dev, host) {
617 spin_lock_irqsave(&dev->list_lock, flags);
618 list_for_each_entry(command, &dev->cmd_list, list) {
619 if ((command != cmd) &&
620 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
621 active++;
622 break;
623 }
624 }
625 spin_unlock_irqrestore(&dev->list_lock, flags);
626 if (active)
627 break;
628
629 }
630 /*
631 * We can exit If all the commands are complete
632 */
633 if (active == 0)
634 return SUCCESS;
635 ssleep(1);
636 }
637 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
638 /*
639 * This adapter needs a blind reset, only do so for Adapters that
640 * support a register, instead of a commanded, reset.
641 */
642 if ((aac->supplement_adapter_info.SupportedOptions2 &
643 AAC_OPTION_MU_RESET) &&
644 aac_check_reset &&
645 ((aac_check_reset != 1) ||
646 !(aac->supplement_adapter_info.SupportedOptions2 &
647 AAC_OPTION_IGNORE_RESET)))
648 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
649 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
650 }
651
652 /**
653 * aac_cfg_open - open a configuration file
654 * @inode: inode being opened
655 * @file: file handle attached
656 *
657 * Called when the configuration device is opened. Does the needed
658 * set up on the handle and then returns
659 *
660 * Bugs: This needs extending to check a given adapter is present
661 * so we can support hot plugging, and to ref count adapters.
662 */
663
664 static int aac_cfg_open(struct inode *inode, struct file *file)
665 {
666 struct aac_dev *aac;
667 unsigned minor_number = iminor(inode);
668 int err = -ENODEV;
669
670 list_for_each_entry(aac, &aac_devices, entry) {
671 if (aac->id == minor_number) {
672 file->private_data = aac;
673 err = 0;
674 break;
675 }
676 }
677
678 return err;
679 }
680
681 /**
682 * aac_cfg_ioctl - AAC configuration request
683 * @inode: inode of device
684 * @file: file handle
685 * @cmd: ioctl command code
686 * @arg: argument
687 *
688 * Handles a configuration ioctl. Currently this involves wrapping it
689 * up and feeding it into the nasty windowsalike glue layer.
690 *
691 * Bugs: Needs locking against parallel ioctls lower down
692 * Bugs: Needs to handle hot plugging
693 */
694
695 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
696 unsigned int cmd, unsigned long arg)
697 {
698 if (!capable(CAP_SYS_RAWIO))
699 return -EPERM;
700 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
701 }
702
703 #ifdef CONFIG_COMPAT
704 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
705 {
706 long ret;
707 lock_kernel();
708 switch (cmd) {
709 case FSACTL_MINIPORT_REV_CHECK:
710 case FSACTL_SENDFIB:
711 case FSACTL_OPEN_GET_ADAPTER_FIB:
712 case FSACTL_CLOSE_GET_ADAPTER_FIB:
713 case FSACTL_SEND_RAW_SRB:
714 case FSACTL_GET_PCI_INFO:
715 case FSACTL_QUERY_DISK:
716 case FSACTL_DELETE_DISK:
717 case FSACTL_FORCE_DELETE_DISK:
718 case FSACTL_GET_CONTAINERS:
719 case FSACTL_SEND_LARGE_FIB:
720 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
721 break;
722
723 case FSACTL_GET_NEXT_ADAPTER_FIB: {
724 struct fib_ioctl __user *f;
725
726 f = compat_alloc_user_space(sizeof(*f));
727 ret = 0;
728 if (clear_user(f, sizeof(*f)))
729 ret = -EFAULT;
730 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
731 ret = -EFAULT;
732 if (!ret)
733 ret = aac_do_ioctl(dev, cmd, f);
734 break;
735 }
736
737 default:
738 ret = -ENOIOCTLCMD;
739 break;
740 }
741 unlock_kernel();
742 return ret;
743 }
744
745 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
746 {
747 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
748 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
749 }
750
751 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
752 {
753 if (!capable(CAP_SYS_RAWIO))
754 return -EPERM;
755 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
756 }
757 #endif
758
759 static ssize_t aac_show_model(struct device *device,
760 struct device_attribute *attr, char *buf)
761 {
762 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
763 int len;
764
765 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
766 char * cp = dev->supplement_adapter_info.AdapterTypeText;
767 while (*cp && *cp != ' ')
768 ++cp;
769 while (*cp == ' ')
770 ++cp;
771 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
772 } else
773 len = snprintf(buf, PAGE_SIZE, "%s\n",
774 aac_drivers[dev->cardtype].model);
775 return len;
776 }
777
778 static ssize_t aac_show_vendor(struct device *device,
779 struct device_attribute *attr, char *buf)
780 {
781 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
782 int len;
783
784 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
785 char * cp = dev->supplement_adapter_info.AdapterTypeText;
786 while (*cp && *cp != ' ')
787 ++cp;
788 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
789 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
790 dev->supplement_adapter_info.AdapterTypeText);
791 } else
792 len = snprintf(buf, PAGE_SIZE, "%s\n",
793 aac_drivers[dev->cardtype].vname);
794 return len;
795 }
796
797 static ssize_t aac_show_flags(struct device *cdev,
798 struct device_attribute *attr, char *buf)
799 {
800 int len = 0;
801 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
802
803 if (nblank(dprintk(x)))
804 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
805 #ifdef AAC_DETAILED_STATUS_INFO
806 len += snprintf(buf + len, PAGE_SIZE - len,
807 "AAC_DETAILED_STATUS_INFO\n");
808 #endif
809 if (dev->raw_io_interface && dev->raw_io_64)
810 len += snprintf(buf + len, PAGE_SIZE - len,
811 "SAI_READ_CAPACITY_16\n");
812 if (dev->jbod)
813 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
814 return len;
815 }
816
817 static ssize_t aac_show_kernel_version(struct device *device,
818 struct device_attribute *attr,
819 char *buf)
820 {
821 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
822 int len, tmp;
823
824 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
825 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
826 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
827 le32_to_cpu(dev->adapter_info.kernelbuild));
828 return len;
829 }
830
831 static ssize_t aac_show_monitor_version(struct device *device,
832 struct device_attribute *attr,
833 char *buf)
834 {
835 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
836 int len, tmp;
837
838 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
839 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
840 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
841 le32_to_cpu(dev->adapter_info.monitorbuild));
842 return len;
843 }
844
845 static ssize_t aac_show_bios_version(struct device *device,
846 struct device_attribute *attr,
847 char *buf)
848 {
849 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
850 int len, tmp;
851
852 tmp = le32_to_cpu(dev->adapter_info.biosrev);
853 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
854 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
855 le32_to_cpu(dev->adapter_info.biosbuild));
856 return len;
857 }
858
859 ssize_t aac_show_serial_number(struct device *device,
860 struct device_attribute *attr, char *buf)
861 {
862 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
863 int len = 0;
864
865 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
866 len = snprintf(buf, PAGE_SIZE, "%06X\n",
867 le32_to_cpu(dev->adapter_info.serial[0]));
868 if (len &&
869 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
870 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
871 buf, len-1))
872 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
873 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
874 dev->supplement_adapter_info.MfgPcbaSerialNo);
875 return len;
876 }
877
878 static ssize_t aac_show_max_channel(struct device *device,
879 struct device_attribute *attr, char *buf)
880 {
881 return snprintf(buf, PAGE_SIZE, "%d\n",
882 class_to_shost(device)->max_channel);
883 }
884
885 static ssize_t aac_show_max_id(struct device *device,
886 struct device_attribute *attr, char *buf)
887 {
888 return snprintf(buf, PAGE_SIZE, "%d\n",
889 class_to_shost(device)->max_id);
890 }
891
892 static ssize_t aac_store_reset_adapter(struct device *device,
893 struct device_attribute *attr,
894 const char *buf, size_t count)
895 {
896 int retval = -EACCES;
897
898 if (!capable(CAP_SYS_ADMIN))
899 return retval;
900 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
901 if (retval >= 0)
902 retval = count;
903 return retval;
904 }
905
906 static ssize_t aac_show_reset_adapter(struct device *device,
907 struct device_attribute *attr,
908 char *buf)
909 {
910 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
911 int len, tmp;
912
913 tmp = aac_adapter_check_health(dev);
914 if ((tmp == 0) && dev->in_reset)
915 tmp = -EBUSY;
916 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
917 return len;
918 }
919
920 static struct device_attribute aac_model = {
921 .attr = {
922 .name = "model",
923 .mode = S_IRUGO,
924 },
925 .show = aac_show_model,
926 };
927 static struct device_attribute aac_vendor = {
928 .attr = {
929 .name = "vendor",
930 .mode = S_IRUGO,
931 },
932 .show = aac_show_vendor,
933 };
934 static struct device_attribute aac_flags = {
935 .attr = {
936 .name = "flags",
937 .mode = S_IRUGO,
938 },
939 .show = aac_show_flags,
940 };
941 static struct device_attribute aac_kernel_version = {
942 .attr = {
943 .name = "hba_kernel_version",
944 .mode = S_IRUGO,
945 },
946 .show = aac_show_kernel_version,
947 };
948 static struct device_attribute aac_monitor_version = {
949 .attr = {
950 .name = "hba_monitor_version",
951 .mode = S_IRUGO,
952 },
953 .show = aac_show_monitor_version,
954 };
955 static struct device_attribute aac_bios_version = {
956 .attr = {
957 .name = "hba_bios_version",
958 .mode = S_IRUGO,
959 },
960 .show = aac_show_bios_version,
961 };
962 static struct device_attribute aac_serial_number = {
963 .attr = {
964 .name = "serial_number",
965 .mode = S_IRUGO,
966 },
967 .show = aac_show_serial_number,
968 };
969 static struct device_attribute aac_max_channel = {
970 .attr = {
971 .name = "max_channel",
972 .mode = S_IRUGO,
973 },
974 .show = aac_show_max_channel,
975 };
976 static struct device_attribute aac_max_id = {
977 .attr = {
978 .name = "max_id",
979 .mode = S_IRUGO,
980 },
981 .show = aac_show_max_id,
982 };
983 static struct device_attribute aac_reset = {
984 .attr = {
985 .name = "reset_host",
986 .mode = S_IWUSR|S_IRUGO,
987 },
988 .store = aac_store_reset_adapter,
989 .show = aac_show_reset_adapter,
990 };
991
992 static struct device_attribute *aac_attrs[] = {
993 &aac_model,
994 &aac_vendor,
995 &aac_flags,
996 &aac_kernel_version,
997 &aac_monitor_version,
998 &aac_bios_version,
999 &aac_serial_number,
1000 &aac_max_channel,
1001 &aac_max_id,
1002 &aac_reset,
1003 NULL
1004 };
1005
1006 ssize_t aac_get_serial_number(struct device *device, char *buf)
1007 {
1008 return aac_show_serial_number(device, &aac_serial_number, buf);
1009 }
1010
1011 static const struct file_operations aac_cfg_fops = {
1012 .owner = THIS_MODULE,
1013 .ioctl = aac_cfg_ioctl,
1014 #ifdef CONFIG_COMPAT
1015 .compat_ioctl = aac_compat_cfg_ioctl,
1016 #endif
1017 .open = aac_cfg_open,
1018 };
1019
1020 static struct scsi_host_template aac_driver_template = {
1021 .module = THIS_MODULE,
1022 .name = "AAC",
1023 .proc_name = AAC_DRIVERNAME,
1024 .info = aac_info,
1025 .ioctl = aac_ioctl,
1026 #ifdef CONFIG_COMPAT
1027 .compat_ioctl = aac_compat_ioctl,
1028 #endif
1029 .queuecommand = aac_queuecommand,
1030 .bios_param = aac_biosparm,
1031 .shost_attrs = aac_attrs,
1032 .slave_configure = aac_slave_configure,
1033 .change_queue_depth = aac_change_queue_depth,
1034 .sdev_attrs = aac_dev_attrs,
1035 .eh_abort_handler = aac_eh_abort,
1036 .eh_host_reset_handler = aac_eh_reset,
1037 .can_queue = AAC_NUM_IO_FIB,
1038 .this_id = MAXIMUM_NUM_CONTAINERS,
1039 .sg_tablesize = 16,
1040 .max_sectors = 128,
1041 #if (AAC_NUM_IO_FIB > 256)
1042 .cmd_per_lun = 256,
1043 #else
1044 .cmd_per_lun = AAC_NUM_IO_FIB,
1045 #endif
1046 .use_clustering = ENABLE_CLUSTERING,
1047 .emulated = 1,
1048 };
1049
1050 static void __aac_shutdown(struct aac_dev * aac)
1051 {
1052 if (aac->aif_thread)
1053 kthread_stop(aac->thread);
1054 aac_send_shutdown(aac);
1055 aac_adapter_disable_int(aac);
1056 free_irq(aac->pdev->irq, aac);
1057 if (aac->msi)
1058 pci_disable_msi(aac->pdev);
1059 }
1060
1061 static int __devinit aac_probe_one(struct pci_dev *pdev,
1062 const struct pci_device_id *id)
1063 {
1064 unsigned index = id->driver_data;
1065 struct Scsi_Host *shost;
1066 struct aac_dev *aac;
1067 struct list_head *insert = &aac_devices;
1068 int error = -ENODEV;
1069 int unique_id = 0;
1070
1071 list_for_each_entry(aac, &aac_devices, entry) {
1072 if (aac->id > unique_id)
1073 break;
1074 insert = &aac->entry;
1075 unique_id++;
1076 }
1077
1078 error = pci_enable_device(pdev);
1079 if (error)
1080 goto out;
1081 error = -ENODEV;
1082
1083 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1084 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1085 goto out_disable_pdev;
1086 /*
1087 * If the quirk31 bit is set, the adapter needs adapter
1088 * to driver communication memory to be allocated below 2gig
1089 */
1090 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1091 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1092 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1093 goto out_disable_pdev;
1094
1095 pci_set_master(pdev);
1096
1097 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1098 if (!shost)
1099 goto out_disable_pdev;
1100
1101 shost->irq = pdev->irq;
1102 shost->base = pci_resource_start(pdev, 0);
1103 shost->unique_id = unique_id;
1104 shost->max_cmd_len = 16;
1105
1106 aac = (struct aac_dev *)shost->hostdata;
1107 aac->scsi_host_ptr = shost;
1108 aac->pdev = pdev;
1109 aac->name = aac_driver_template.name;
1110 aac->id = shost->unique_id;
1111 aac->cardtype = index;
1112 INIT_LIST_HEAD(&aac->entry);
1113
1114 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1115 if (!aac->fibs)
1116 goto out_free_host;
1117 spin_lock_init(&aac->fib_lock);
1118
1119 /*
1120 * Map in the registers from the adapter.
1121 */
1122 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1123 if ((*aac_drivers[index].init)(aac))
1124 goto out_unmap;
1125
1126 /*
1127 * Start any kernel threads needed
1128 */
1129 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1130 if (IS_ERR(aac->thread)) {
1131 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1132 error = PTR_ERR(aac->thread);
1133 goto out_deinit;
1134 }
1135
1136 /*
1137 * If we had set a smaller DMA mask earlier, set it to 4gig
1138 * now since the adapter can dma data to at least a 4gig
1139 * address space.
1140 */
1141 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1142 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1143 goto out_deinit;
1144
1145 aac->maximum_num_channels = aac_drivers[index].channels;
1146 error = aac_get_adapter_info(aac);
1147 if (error < 0)
1148 goto out_deinit;
1149
1150 /*
1151 * Lets override negotiations and drop the maximum SG limit to 34
1152 */
1153 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1154 (shost->sg_tablesize > 34)) {
1155 shost->sg_tablesize = 34;
1156 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1157 }
1158
1159 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1160 (shost->sg_tablesize > 17)) {
1161 shost->sg_tablesize = 17;
1162 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1163 }
1164
1165 error = pci_set_dma_max_seg_size(pdev,
1166 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1167 (shost->max_sectors << 9) : 65536);
1168 if (error)
1169 goto out_deinit;
1170
1171 /*
1172 * Firmware printf works only with older firmware.
1173 */
1174 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1175 aac->printf_enabled = 1;
1176 else
1177 aac->printf_enabled = 0;
1178
1179 /*
1180 * max channel will be the physical channels plus 1 virtual channel
1181 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1182 * physical channels are address by their actual physical number+1
1183 */
1184 if (aac->nondasd_support || expose_physicals || aac->jbod)
1185 shost->max_channel = aac->maximum_num_channels;
1186 else
1187 shost->max_channel = 0;
1188
1189 aac_get_config_status(aac, 0);
1190 aac_get_containers(aac);
1191 list_add(&aac->entry, insert);
1192
1193 shost->max_id = aac->maximum_num_containers;
1194 if (shost->max_id < aac->maximum_num_physicals)
1195 shost->max_id = aac->maximum_num_physicals;
1196 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1197 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1198 else
1199 shost->this_id = shost->max_id;
1200
1201 /*
1202 * dmb - we may need to move the setting of these parms somewhere else once
1203 * we get a fib that can report the actual numbers
1204 */
1205 shost->max_lun = AAC_MAX_LUN;
1206
1207 pci_set_drvdata(pdev, shost);
1208
1209 error = scsi_add_host(shost, &pdev->dev);
1210 if (error)
1211 goto out_deinit;
1212 scsi_scan_host(shost);
1213
1214 return 0;
1215
1216 out_deinit:
1217 __aac_shutdown(aac);
1218 out_unmap:
1219 aac_fib_map_free(aac);
1220 if (aac->comm_addr)
1221 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1222 aac->comm_phys);
1223 kfree(aac->queues);
1224 aac_adapter_ioremap(aac, 0);
1225 kfree(aac->fibs);
1226 kfree(aac->fsa_dev);
1227 out_free_host:
1228 scsi_host_put(shost);
1229 out_disable_pdev:
1230 pci_disable_device(pdev);
1231 out:
1232 return error;
1233 }
1234
1235 static void aac_shutdown(struct pci_dev *dev)
1236 {
1237 struct Scsi_Host *shost = pci_get_drvdata(dev);
1238 scsi_block_requests(shost);
1239 __aac_shutdown((struct aac_dev *)shost->hostdata);
1240 }
1241
1242 static void __devexit aac_remove_one(struct pci_dev *pdev)
1243 {
1244 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1245 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1246
1247 scsi_remove_host(shost);
1248
1249 __aac_shutdown(aac);
1250 aac_fib_map_free(aac);
1251 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1252 aac->comm_phys);
1253 kfree(aac->queues);
1254
1255 aac_adapter_ioremap(aac, 0);
1256
1257 kfree(aac->fibs);
1258 kfree(aac->fsa_dev);
1259
1260 list_del(&aac->entry);
1261 scsi_host_put(shost);
1262 pci_disable_device(pdev);
1263 if (list_empty(&aac_devices)) {
1264 unregister_chrdev(aac_cfg_major, "aac");
1265 aac_cfg_major = -1;
1266 }
1267 }
1268
1269 static struct pci_driver aac_pci_driver = {
1270 .name = AAC_DRIVERNAME,
1271 .id_table = aac_pci_tbl,
1272 .probe = aac_probe_one,
1273 .remove = __devexit_p(aac_remove_one),
1274 .shutdown = aac_shutdown,
1275 };
1276
1277 static int __init aac_init(void)
1278 {
1279 int error;
1280
1281 printk(KERN_INFO "Adaptec %s driver %s\n",
1282 AAC_DRIVERNAME, aac_driver_version);
1283
1284 error = pci_register_driver(&aac_pci_driver);
1285 if (error < 0)
1286 return error;
1287
1288 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1289 if (aac_cfg_major < 0) {
1290 printk(KERN_WARNING
1291 "aacraid: unable to register \"aac\" device.\n");
1292 }
1293
1294 return 0;
1295 }
1296
1297 static void __exit aac_exit(void)
1298 {
1299 if (aac_cfg_major > -1)
1300 unregister_chrdev(aac_cfg_major, "aac");
1301 pci_unregister_driver(&aac_pci_driver);
1302 }
1303
1304 module_init(aac_init);
1305 module_exit(aac_exit);
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