/drivers/scsi/aacraid/linit.c
C | 1324 lines | 1012 code | 129 blank | 183 comment | 170 complexity | bceac4c8e4a7efaa7ef5894208ef1052 MD5 | raw file
Possible License(s): CC-BY-SA-3.0, GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30
31#include <linux/compat.h>
32#include <linux/blkdev.h>
33#include <linux/completion.h>
34#include <linux/init.h>
35#include <linux/interrupt.h>
36#include <linux/kernel.h>
37#include <linux/module.h>
38#include <linux/moduleparam.h>
39#include <linux/pci.h>
40#include <linux/slab.h>
41#include <linux/smp_lock.h>
42#include <linux/spinlock.h>
43#include <linux/syscalls.h>
44#include <linux/delay.h>
45#include <linux/kthread.h>
46
47#include <scsi/scsi.h>
48#include <scsi/scsi_cmnd.h>
49#include <scsi/scsi_device.h>
50#include <scsi/scsi_host.h>
51#include <scsi/scsi_tcq.h>
52#include <scsi/scsicam.h>
53#include <scsi/scsi_eh.h>
54
55#include "aacraid.h"
56
57#define AAC_DRIVER_VERSION "1.1-5"
58#ifndef AAC_DRIVER_BRANCH
59#define AAC_DRIVER_BRANCH ""
60#endif
61#define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
62#define AAC_DRIVERNAME "aacraid"
63
64#ifdef AAC_DRIVER_BUILD
65#define _str(x) #x
66#define str(x) _str(x)
67#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
68#else
69#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
70#endif
71
72MODULE_AUTHOR("Red Hat Inc and Adaptec");
73MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74 "Adaptec Advanced Raid Products, "
75 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
76MODULE_LICENSE("GPL");
77MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
78
79static LIST_HEAD(aac_devices);
80static int aac_cfg_major = -1;
81char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
82
83/*
84 * Because of the way Linux names scsi devices, the order in this table has
85 * become important. Check for on-board Raid first, add-in cards second.
86 *
87 * Note: The last field is used to index into aac_drivers below.
88 */
89#ifdef DECLARE_PCI_DEVICE_TABLE
90static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
91#elif defined(__devinitconst)
92static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
93#else
94static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
95#endif
96 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
97 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
98 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
99 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
100 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
101 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
102 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
103 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
104 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
105 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
106 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
107 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
108 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
109 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
110 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
111 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
112
113 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
114 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
115 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
116 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
117 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
118 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
120 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
121 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
122 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
125 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
126 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
127 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
128 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
129 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
130 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
131 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
132 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
133 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
134 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
135 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
136 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
137 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
138 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
139 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
140 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
141 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
142 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
143 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
144 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
145 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
146 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
147 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
148 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
149 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
150 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
151
152 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
153 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
154 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
155 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
156 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
157
158 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
159 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
160 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
161 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
162 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
163 { 0,}
164};
165MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
166
167/*
168 * dmb - For now we add the number of channels to this structure.
169 * In the future we should add a fib that reports the number of channels
170 * for the card. At that time we can remove the channels from here
171 */
172static struct aac_driver_ident aac_drivers[] = {
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
187 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
189
190 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
204 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
206 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
207 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
208 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
212 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
219 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
220 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
225 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
226
227 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
228 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
231 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
232
233 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
234 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
235 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
236 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
237 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
238};
239
240/**
241 * aac_queuecommand - queue a SCSI command
242 * @cmd: SCSI command to queue
243 * @done: Function to call on command completion
244 *
245 * Queues a command for execution by the associated Host Adapter.
246 *
247 * TODO: unify with aac_scsi_cmd().
248 */
249
250static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
251{
252 struct Scsi_Host *host = cmd->device->host;
253 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
254 u32 count = 0;
255 cmd->scsi_done = done;
256 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
257 struct fib * fib = &dev->fibs[count];
258 struct scsi_cmnd * command;
259 if (fib->hw_fib_va->header.XferState &&
260 ((command = fib->callback_data)) &&
261 (command == cmd) &&
262 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
263 return 0; /* Already owned by Adapter */
264 }
265 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
266 return (aac_scsi_cmd(cmd) ? FAILED : 0);
267}
268
269/**
270 * aac_info - Returns the host adapter name
271 * @shost: Scsi host to report on
272 *
273 * Returns a static string describing the device in question
274 */
275
276static const char *aac_info(struct Scsi_Host *shost)
277{
278 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
279 return aac_drivers[dev->cardtype].name;
280}
281
282/**
283 * aac_get_driver_ident
284 * @devtype: index into lookup table
285 *
286 * Returns a pointer to the entry in the driver lookup table.
287 */
288
289struct aac_driver_ident* aac_get_driver_ident(int devtype)
290{
291 return &aac_drivers[devtype];
292}
293
294/**
295 * aac_biosparm - return BIOS parameters for disk
296 * @sdev: The scsi device corresponding to the disk
297 * @bdev: the block device corresponding to the disk
298 * @capacity: the sector capacity of the disk
299 * @geom: geometry block to fill in
300 *
301 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
302 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
303 * number of cylinders so as not to exceed drive capacity. In order for
304 * disks equal to or larger than 1 GB to be addressable by the BIOS
305 * without exceeding the BIOS limitation of 1024 cylinders, Extended
306 * Translation should be enabled. With Extended Translation enabled,
307 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
308 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
309 * are given a disk geometry of 255 heads and 63 sectors. However, if
310 * the BIOS detects that the Extended Translation setting does not match
311 * the geometry in the partition table, then the translation inferred
312 * from the partition table will be used by the BIOS, and a warning may
313 * be displayed.
314 */
315
316static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
317 sector_t capacity, int *geom)
318{
319 struct diskparm *param = (struct diskparm *)geom;
320 unsigned char *buf;
321
322 dprintk((KERN_DEBUG "aac_biosparm.\n"));
323
324 /*
325 * Assuming extended translation is enabled - #REVISIT#
326 */
327 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
328 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
329 param->heads = 255;
330 param->sectors = 63;
331 } else {
332 param->heads = 128;
333 param->sectors = 32;
334 }
335 } else {
336 param->heads = 64;
337 param->sectors = 32;
338 }
339
340 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
341
342 /*
343 * Read the first 1024 bytes from the disk device, if the boot
344 * sector partition table is valid, search for a partition table
345 * entry whose end_head matches one of the standard geometry
346 * translations ( 64/32, 128/32, 255/63 ).
347 */
348 buf = scsi_bios_ptable(bdev);
349 if (!buf)
350 return 0;
351 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
352 struct partition *first = (struct partition * )buf;
353 struct partition *entry = first;
354 int saved_cylinders = param->cylinders;
355 int num;
356 unsigned char end_head, end_sec;
357
358 for(num = 0; num < 4; num++) {
359 end_head = entry->end_head;
360 end_sec = entry->end_sector & 0x3f;
361
362 if(end_head == 63) {
363 param->heads = 64;
364 param->sectors = 32;
365 break;
366 } else if(end_head == 127) {
367 param->heads = 128;
368 param->sectors = 32;
369 break;
370 } else if(end_head == 254) {
371 param->heads = 255;
372 param->sectors = 63;
373 break;
374 }
375 entry++;
376 }
377
378 if (num == 4) {
379 end_head = first->end_head;
380 end_sec = first->end_sector & 0x3f;
381 }
382
383 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
384 if (num < 4 && end_sec == param->sectors) {
385 if (param->cylinders != saved_cylinders)
386 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
387 param->heads, param->sectors, num));
388 } else if (end_head > 0 || end_sec > 0) {
389 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
390 end_head + 1, end_sec, num));
391 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
392 param->heads, param->sectors));
393 }
394 }
395 kfree(buf);
396 return 0;
397}
398
399/**
400 * aac_slave_configure - compute queue depths
401 * @sdev: SCSI device we are considering
402 *
403 * Selects queue depths for each target device based on the host adapter's
404 * total capacity and the queue depth supported by the target device.
405 * A queue depth of one automatically disables tagged queueing.
406 */
407
408static int aac_slave_configure(struct scsi_device *sdev)
409{
410 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
411 if (aac->jbod && (sdev->type == TYPE_DISK))
412 sdev->removable = 1;
413 if ((sdev->type == TYPE_DISK) &&
414 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
415 (!aac->jbod || sdev->inq_periph_qual) &&
416 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
417 if (expose_physicals == 0)
418 return -ENXIO;
419 if (expose_physicals < 0)
420 sdev->no_uld_attach = 1;
421 }
422 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
423 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
424 !sdev->no_uld_attach) {
425 struct scsi_device * dev;
426 struct Scsi_Host *host = sdev->host;
427 unsigned num_lsu = 0;
428 unsigned num_one = 0;
429 unsigned depth;
430 unsigned cid;
431
432 /*
433 * Firmware has an individual device recovery time typically
434 * of 35 seconds, give us a margin.
435 */
436 if (sdev->request_queue->rq_timeout < (45 * HZ))
437 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
438 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
439 if (aac->fsa_dev[cid].valid)
440 ++num_lsu;
441 __shost_for_each_device(dev, host) {
442 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
443 (!aac->raid_scsi_mode ||
444 (sdev_channel(sdev) != 2)) &&
445 !dev->no_uld_attach) {
446 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
447 || !aac->fsa_dev[sdev_id(dev)].valid)
448 ++num_lsu;
449 } else
450 ++num_one;
451 }
452 if (num_lsu == 0)
453 ++num_lsu;
454 depth = (host->can_queue - num_one) / num_lsu;
455 if (depth > 256)
456 depth = 256;
457 else if (depth < 2)
458 depth = 2;
459 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
460 } else
461 scsi_adjust_queue_depth(sdev, 0, 1);
462
463 return 0;
464}
465
466/**
467 * aac_change_queue_depth - alter queue depths
468 * @sdev: SCSI device we are considering
469 * @depth: desired queue depth
470 *
471 * Alters queue depths for target device based on the host adapter's
472 * total capacity and the queue depth supported by the target device.
473 */
474
475static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
476 int reason)
477{
478 if (reason != SCSI_QDEPTH_DEFAULT)
479 return -EOPNOTSUPP;
480
481 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
482 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
483 struct scsi_device * dev;
484 struct Scsi_Host *host = sdev->host;
485 unsigned num = 0;
486
487 __shost_for_each_device(dev, host) {
488 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
489 (sdev_channel(dev) == CONTAINER_CHANNEL))
490 ++num;
491 ++num;
492 }
493 if (num >= host->can_queue)
494 num = host->can_queue - 1;
495 if (depth > (host->can_queue - num))
496 depth = host->can_queue - num;
497 if (depth > 256)
498 depth = 256;
499 else if (depth < 2)
500 depth = 2;
501 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
502 } else
503 scsi_adjust_queue_depth(sdev, 0, 1);
504 return sdev->queue_depth;
505}
506
507static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
508{
509 struct scsi_device *sdev = to_scsi_device(dev);
510 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
511 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
512 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
513 ? "Hidden\n" :
514 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
515 return snprintf(buf, PAGE_SIZE, "%s\n",
516 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
517}
518
519static struct device_attribute aac_raid_level_attr = {
520 .attr = {
521 .name = "level",
522 .mode = S_IRUGO,
523 },
524 .show = aac_show_raid_level
525};
526
527static struct device_attribute *aac_dev_attrs[] = {
528 &aac_raid_level_attr,
529 NULL,
530};
531
532static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
533{
534 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
535 if (!capable(CAP_SYS_RAWIO))
536 return -EPERM;
537 return aac_do_ioctl(dev, cmd, arg);
538}
539
540static int aac_eh_abort(struct scsi_cmnd* cmd)
541{
542 struct scsi_device * dev = cmd->device;
543 struct Scsi_Host * host = dev->host;
544 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
545 int count;
546 int ret = FAILED;
547
548 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
549 AAC_DRIVERNAME,
550 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
551 switch (cmd->cmnd[0]) {
552 case SERVICE_ACTION_IN:
553 if (!(aac->raw_io_interface) ||
554 !(aac->raw_io_64) ||
555 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
556 break;
557 case INQUIRY:
558 case READ_CAPACITY:
559 /* Mark associated FIB to not complete, eh handler does this */
560 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
561 struct fib * fib = &aac->fibs[count];
562 if (fib->hw_fib_va->header.XferState &&
563 (fib->flags & FIB_CONTEXT_FLAG) &&
564 (fib->callback_data == cmd)) {
565 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
566 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
567 ret = SUCCESS;
568 }
569 }
570 break;
571 case TEST_UNIT_READY:
572 /* Mark associated FIB to not complete, eh handler does this */
573 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
574 struct scsi_cmnd * command;
575 struct fib * fib = &aac->fibs[count];
576 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
577 (fib->flags & FIB_CONTEXT_FLAG) &&
578 ((command = fib->callback_data)) &&
579 (command->device == cmd->device)) {
580 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
581 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
582 if (command == cmd)
583 ret = SUCCESS;
584 }
585 }
586 }
587 return ret;
588}
589
590/*
591 * aac_eh_reset - Reset command handling
592 * @scsi_cmd: SCSI command block causing the reset
593 *
594 */
595static int aac_eh_reset(struct scsi_cmnd* cmd)
596{
597 struct scsi_device * dev = cmd->device;
598 struct Scsi_Host * host = dev->host;
599 struct scsi_cmnd * command;
600 int count;
601 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
602 unsigned long flags;
603
604 /* Mark the associated FIB to not complete, eh handler does this */
605 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
606 struct fib * fib = &aac->fibs[count];
607 if (fib->hw_fib_va->header.XferState &&
608 (fib->flags & FIB_CONTEXT_FLAG) &&
609 (fib->callback_data == cmd)) {
610 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
611 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
612 }
613 }
614 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
615 AAC_DRIVERNAME);
616
617 if ((count = aac_check_health(aac)))
618 return count;
619 /*
620 * Wait for all commands to complete to this specific
621 * target (block maximum 60 seconds).
622 */
623 for (count = 60; count; --count) {
624 int active = aac->in_reset;
625
626 if (active == 0)
627 __shost_for_each_device(dev, host) {
628 spin_lock_irqsave(&dev->list_lock, flags);
629 list_for_each_entry(command, &dev->cmd_list, list) {
630 if ((command != cmd) &&
631 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
632 active++;
633 break;
634 }
635 }
636 spin_unlock_irqrestore(&dev->list_lock, flags);
637 if (active)
638 break;
639
640 }
641 /*
642 * We can exit If all the commands are complete
643 */
644 if (active == 0)
645 return SUCCESS;
646 ssleep(1);
647 }
648 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
649 /*
650 * This adapter needs a blind reset, only do so for Adapters that
651 * support a register, instead of a commanded, reset.
652 */
653 if ((aac->supplement_adapter_info.SupportedOptions2 &
654 AAC_OPTION_MU_RESET) &&
655 aac_check_reset &&
656 ((aac_check_reset != 1) ||
657 !(aac->supplement_adapter_info.SupportedOptions2 &
658 AAC_OPTION_IGNORE_RESET)))
659 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
660 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
661}
662
663/**
664 * aac_cfg_open - open a configuration file
665 * @inode: inode being opened
666 * @file: file handle attached
667 *
668 * Called when the configuration device is opened. Does the needed
669 * set up on the handle and then returns
670 *
671 * Bugs: This needs extending to check a given adapter is present
672 * so we can support hot plugging, and to ref count adapters.
673 */
674
675static int aac_cfg_open(struct inode *inode, struct file *file)
676{
677 struct aac_dev *aac;
678 unsigned minor_number = iminor(inode);
679 int err = -ENODEV;
680
681 lock_kernel(); /* BKL pushdown: nothing else protects this list */
682 list_for_each_entry(aac, &aac_devices, entry) {
683 if (aac->id == minor_number) {
684 file->private_data = aac;
685 err = 0;
686 break;
687 }
688 }
689 unlock_kernel();
690
691 return err;
692}
693
694/**
695 * aac_cfg_ioctl - AAC configuration request
696 * @inode: inode of device
697 * @file: file handle
698 * @cmd: ioctl command code
699 * @arg: argument
700 *
701 * Handles a configuration ioctl. Currently this involves wrapping it
702 * up and feeding it into the nasty windowsalike glue layer.
703 *
704 * Bugs: Needs locking against parallel ioctls lower down
705 * Bugs: Needs to handle hot plugging
706 */
707
708static int aac_cfg_ioctl(struct inode *inode, struct file *file,
709 unsigned int cmd, unsigned long arg)
710{
711 if (!capable(CAP_SYS_RAWIO))
712 return -EPERM;
713 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
714}
715
716#ifdef CONFIG_COMPAT
717static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
718{
719 long ret;
720 lock_kernel();
721 switch (cmd) {
722 case FSACTL_MINIPORT_REV_CHECK:
723 case FSACTL_SENDFIB:
724 case FSACTL_OPEN_GET_ADAPTER_FIB:
725 case FSACTL_CLOSE_GET_ADAPTER_FIB:
726 case FSACTL_SEND_RAW_SRB:
727 case FSACTL_GET_PCI_INFO:
728 case FSACTL_QUERY_DISK:
729 case FSACTL_DELETE_DISK:
730 case FSACTL_FORCE_DELETE_DISK:
731 case FSACTL_GET_CONTAINERS:
732 case FSACTL_SEND_LARGE_FIB:
733 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
734 break;
735
736 case FSACTL_GET_NEXT_ADAPTER_FIB: {
737 struct fib_ioctl __user *f;
738
739 f = compat_alloc_user_space(sizeof(*f));
740 ret = 0;
741 if (clear_user(f, sizeof(*f)))
742 ret = -EFAULT;
743 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
744 ret = -EFAULT;
745 if (!ret)
746 ret = aac_do_ioctl(dev, cmd, f);
747 break;
748 }
749
750 default:
751 ret = -ENOIOCTLCMD;
752 break;
753 }
754 unlock_kernel();
755 return ret;
756}
757
758static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
759{
760 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
761 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
762}
763
764static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
765{
766 if (!capable(CAP_SYS_RAWIO))
767 return -EPERM;
768 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
769}
770#endif
771
772static ssize_t aac_show_model(struct device *device,
773 struct device_attribute *attr, char *buf)
774{
775 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
776 int len;
777
778 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
779 char * cp = dev->supplement_adapter_info.AdapterTypeText;
780 while (*cp && *cp != ' ')
781 ++cp;
782 while (*cp == ' ')
783 ++cp;
784 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
785 } else
786 len = snprintf(buf, PAGE_SIZE, "%s\n",
787 aac_drivers[dev->cardtype].model);
788 return len;
789}
790
791static ssize_t aac_show_vendor(struct device *device,
792 struct device_attribute *attr, char *buf)
793{
794 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
795 int len;
796
797 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
798 char * cp = dev->supplement_adapter_info.AdapterTypeText;
799 while (*cp && *cp != ' ')
800 ++cp;
801 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
802 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
803 dev->supplement_adapter_info.AdapterTypeText);
804 } else
805 len = snprintf(buf, PAGE_SIZE, "%s\n",
806 aac_drivers[dev->cardtype].vname);
807 return len;
808}
809
810static ssize_t aac_show_flags(struct device *cdev,
811 struct device_attribute *attr, char *buf)
812{
813 int len = 0;
814 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
815
816 if (nblank(dprintk(x)))
817 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
818#ifdef AAC_DETAILED_STATUS_INFO
819 len += snprintf(buf + len, PAGE_SIZE - len,
820 "AAC_DETAILED_STATUS_INFO\n");
821#endif
822 if (dev->raw_io_interface && dev->raw_io_64)
823 len += snprintf(buf + len, PAGE_SIZE - len,
824 "SAI_READ_CAPACITY_16\n");
825 if (dev->jbod)
826 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
827 if (dev->supplement_adapter_info.SupportedOptions2 &
828 AAC_OPTION_POWER_MANAGEMENT)
829 len += snprintf(buf + len, PAGE_SIZE - len,
830 "SUPPORTED_POWER_MANAGEMENT\n");
831 if (dev->msi)
832 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
833 return len;
834}
835
836static ssize_t aac_show_kernel_version(struct device *device,
837 struct device_attribute *attr,
838 char *buf)
839{
840 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
841 int len, tmp;
842
843 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
844 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
845 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
846 le32_to_cpu(dev->adapter_info.kernelbuild));
847 return len;
848}
849
850static ssize_t aac_show_monitor_version(struct device *device,
851 struct device_attribute *attr,
852 char *buf)
853{
854 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
855 int len, tmp;
856
857 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
858 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
859 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
860 le32_to_cpu(dev->adapter_info.monitorbuild));
861 return len;
862}
863
864static ssize_t aac_show_bios_version(struct device *device,
865 struct device_attribute *attr,
866 char *buf)
867{
868 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
869 int len, tmp;
870
871 tmp = le32_to_cpu(dev->adapter_info.biosrev);
872 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
873 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
874 le32_to_cpu(dev->adapter_info.biosbuild));
875 return len;
876}
877
878static ssize_t aac_show_serial_number(struct device *device,
879 struct device_attribute *attr, char *buf)
880{
881 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
882 int len = 0;
883
884 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
885 len = snprintf(buf, PAGE_SIZE, "%06X\n",
886 le32_to_cpu(dev->adapter_info.serial[0]));
887 if (len &&
888 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
889 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
890 buf, len-1))
891 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
892 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
893 dev->supplement_adapter_info.MfgPcbaSerialNo);
894 return len;
895}
896
897static ssize_t aac_show_max_channel(struct device *device,
898 struct device_attribute *attr, char *buf)
899{
900 return snprintf(buf, PAGE_SIZE, "%d\n",
901 class_to_shost(device)->max_channel);
902}
903
904static ssize_t aac_show_max_id(struct device *device,
905 struct device_attribute *attr, char *buf)
906{
907 return snprintf(buf, PAGE_SIZE, "%d\n",
908 class_to_shost(device)->max_id);
909}
910
911static ssize_t aac_store_reset_adapter(struct device *device,
912 struct device_attribute *attr,
913 const char *buf, size_t count)
914{
915 int retval = -EACCES;
916
917 if (!capable(CAP_SYS_ADMIN))
918 return retval;
919 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
920 if (retval >= 0)
921 retval = count;
922 return retval;
923}
924
925static ssize_t aac_show_reset_adapter(struct device *device,
926 struct device_attribute *attr,
927 char *buf)
928{
929 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
930 int len, tmp;
931
932 tmp = aac_adapter_check_health(dev);
933 if ((tmp == 0) && dev->in_reset)
934 tmp = -EBUSY;
935 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
936 return len;
937}
938
939static struct device_attribute aac_model = {
940 .attr = {
941 .name = "model",
942 .mode = S_IRUGO,
943 },
944 .show = aac_show_model,
945};
946static struct device_attribute aac_vendor = {
947 .attr = {
948 .name = "vendor",
949 .mode = S_IRUGO,
950 },
951 .show = aac_show_vendor,
952};
953static struct device_attribute aac_flags = {
954 .attr = {
955 .name = "flags",
956 .mode = S_IRUGO,
957 },
958 .show = aac_show_flags,
959};
960static struct device_attribute aac_kernel_version = {
961 .attr = {
962 .name = "hba_kernel_version",
963 .mode = S_IRUGO,
964 },
965 .show = aac_show_kernel_version,
966};
967static struct device_attribute aac_monitor_version = {
968 .attr = {
969 .name = "hba_monitor_version",
970 .mode = S_IRUGO,
971 },
972 .show = aac_show_monitor_version,
973};
974static struct device_attribute aac_bios_version = {
975 .attr = {
976 .name = "hba_bios_version",
977 .mode = S_IRUGO,
978 },
979 .show = aac_show_bios_version,
980};
981static struct device_attribute aac_serial_number = {
982 .attr = {
983 .name = "serial_number",
984 .mode = S_IRUGO,
985 },
986 .show = aac_show_serial_number,
987};
988static struct device_attribute aac_max_channel = {
989 .attr = {
990 .name = "max_channel",
991 .mode = S_IRUGO,
992 },
993 .show = aac_show_max_channel,
994};
995static struct device_attribute aac_max_id = {
996 .attr = {
997 .name = "max_id",
998 .mode = S_IRUGO,
999 },
1000 .show = aac_show_max_id,
1001};
1002static struct device_attribute aac_reset = {
1003 .attr = {
1004 .name = "reset_host",
1005 .mode = S_IWUSR|S_IRUGO,
1006 },
1007 .store = aac_store_reset_adapter,
1008 .show = aac_show_reset_adapter,
1009};
1010
1011static struct device_attribute *aac_attrs[] = {
1012 &aac_model,
1013 &aac_vendor,
1014 &aac_flags,
1015 &aac_kernel_version,
1016 &aac_monitor_version,
1017 &aac_bios_version,
1018 &aac_serial_number,
1019 &aac_max_channel,
1020 &aac_max_id,
1021 &aac_reset,
1022 NULL
1023};
1024
1025ssize_t aac_get_serial_number(struct device *device, char *buf)
1026{
1027 return aac_show_serial_number(device, &aac_serial_number, buf);
1028}
1029
1030static const struct file_operations aac_cfg_fops = {
1031 .owner = THIS_MODULE,
1032 .ioctl = aac_cfg_ioctl,
1033#ifdef CONFIG_COMPAT
1034 .compat_ioctl = aac_compat_cfg_ioctl,
1035#endif
1036 .open = aac_cfg_open,
1037};
1038
1039static struct scsi_host_template aac_driver_template = {
1040 .module = THIS_MODULE,
1041 .name = "AAC",
1042 .proc_name = AAC_DRIVERNAME,
1043 .info = aac_info,
1044 .ioctl = aac_ioctl,
1045#ifdef CONFIG_COMPAT
1046 .compat_ioctl = aac_compat_ioctl,
1047#endif
1048 .queuecommand = aac_queuecommand,
1049 .bios_param = aac_biosparm,
1050 .shost_attrs = aac_attrs,
1051 .slave_configure = aac_slave_configure,
1052 .change_queue_depth = aac_change_queue_depth,
1053 .sdev_attrs = aac_dev_attrs,
1054 .eh_abort_handler = aac_eh_abort,
1055 .eh_host_reset_handler = aac_eh_reset,
1056 .can_queue = AAC_NUM_IO_FIB,
1057 .this_id = MAXIMUM_NUM_CONTAINERS,
1058 .sg_tablesize = 16,
1059 .max_sectors = 128,
1060#if (AAC_NUM_IO_FIB > 256)
1061 .cmd_per_lun = 256,
1062#else
1063 .cmd_per_lun = AAC_NUM_IO_FIB,
1064#endif
1065 .use_clustering = ENABLE_CLUSTERING,
1066 .emulated = 1,
1067};
1068
1069static void __aac_shutdown(struct aac_dev * aac)
1070{
1071 if (aac->aif_thread)
1072 kthread_stop(aac->thread);
1073 aac_send_shutdown(aac);
1074 aac_adapter_disable_int(aac);
1075 free_irq(aac->pdev->irq, aac);
1076 if (aac->msi)
1077 pci_disable_msi(aac->pdev);
1078}
1079
1080static int __devinit aac_probe_one(struct pci_dev *pdev,
1081 const struct pci_device_id *id)
1082{
1083 unsigned index = id->driver_data;
1084 struct Scsi_Host *shost;
1085 struct aac_dev *aac;
1086 struct list_head *insert = &aac_devices;
1087 int error = -ENODEV;
1088 int unique_id = 0;
1089
1090 list_for_each_entry(aac, &aac_devices, entry) {
1091 if (aac->id > unique_id)
1092 break;
1093 insert = &aac->entry;
1094 unique_id++;
1095 }
1096
1097 error = pci_enable_device(pdev);
1098 if (error)
1099 goto out;
1100 error = -ENODEV;
1101
1102 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
1103 pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1104 goto out_disable_pdev;
1105 /*
1106 * If the quirk31 bit is set, the adapter needs adapter
1107 * to driver communication memory to be allocated below 2gig
1108 */
1109 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1110 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(31)) ||
1111 pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(31)))
1112 goto out_disable_pdev;
1113
1114 pci_set_master(pdev);
1115
1116 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1117 if (!shost)
1118 goto out_disable_pdev;
1119
1120 shost->irq = pdev->irq;
1121 shost->base = pci_resource_start(pdev, 0);
1122 shost->unique_id = unique_id;
1123 shost->max_cmd_len = 16;
1124
1125 aac = (struct aac_dev *)shost->hostdata;
1126 aac->scsi_host_ptr = shost;
1127 aac->pdev = pdev;
1128 aac->name = aac_driver_template.name;
1129 aac->id = shost->unique_id;
1130 aac->cardtype = index;
1131 INIT_LIST_HEAD(&aac->entry);
1132
1133 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1134 if (!aac->fibs)
1135 goto out_free_host;
1136 spin_lock_init(&aac->fib_lock);
1137
1138 /*
1139 * Map in the registers from the adapter.
1140 */
1141 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1142 if ((*aac_drivers[index].init)(aac))
1143 goto out_unmap;
1144
1145 /*
1146 * Start any kernel threads needed
1147 */
1148 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1149 if (IS_ERR(aac->thread)) {
1150 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1151 error = PTR_ERR(aac->thread);
1152 goto out_deinit;
1153 }
1154
1155 /*
1156 * If we had set a smaller DMA mask earlier, set it to 4gig
1157 * now since the adapter can dma data to at least a 4gig
1158 * address space.
1159 */
1160 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1161 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1162 goto out_deinit;
1163
1164 aac->maximum_num_channels = aac_drivers[index].channels;
1165 error = aac_get_adapter_info(aac);
1166 if (error < 0)
1167 goto out_deinit;
1168
1169 /*
1170 * Lets override negotiations and drop the maximum SG limit to 34
1171 */
1172 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1173 (shost->sg_tablesize > 34)) {
1174 shost->sg_tablesize = 34;
1175 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1176 }
1177
1178 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1179 (shost->sg_tablesize > 17)) {
1180 shost->sg_tablesize = 17;
1181 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1182 }
1183
1184 error = pci_set_dma_max_seg_size(pdev,
1185 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1186 (shost->max_sectors << 9) : 65536);
1187 if (error)
1188 goto out_deinit;
1189
1190 /*
1191 * Firmware printf works only with older firmware.
1192 */
1193 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1194 aac->printf_enabled = 1;
1195 else
1196 aac->printf_enabled = 0;
1197
1198 /*
1199 * max channel will be the physical channels plus 1 virtual channel
1200 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1201 * physical channels are address by their actual physical number+1
1202 */
1203 if (aac->nondasd_support || expose_physicals || aac->jbod)
1204 shost->max_channel = aac->maximum_num_channels;
1205 else
1206 shost->max_channel = 0;
1207
1208 aac_get_config_status(aac, 0);
1209 aac_get_containers(aac);
1210 list_add(&aac->entry, insert);
1211
1212 shost->max_id = aac->maximum_num_containers;
1213 if (shost->max_id < aac->maximum_num_physicals)
1214 shost->max_id = aac->maximum_num_physicals;
1215 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1216 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1217 else
1218 shost->this_id = shost->max_id;
1219
1220 /*
1221 * dmb - we may need to move the setting of these parms somewhere else once
1222 * we get a fib that can report the actual numbers
1223 */
1224 shost->max_lun = AAC_MAX_LUN;
1225
1226 pci_set_drvdata(pdev, shost);
1227
1228 error = scsi_add_host(shost, &pdev->dev);
1229 if (error)
1230 goto out_deinit;
1231 scsi_scan_host(shost);
1232
1233 return 0;
1234
1235 out_deinit:
1236 __aac_shutdown(aac);
1237 out_unmap:
1238 aac_fib_map_free(aac);
1239 if (aac->comm_addr)
1240 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1241 aac->comm_phys);
1242 kfree(aac->queues);
1243 aac_adapter_ioremap(aac, 0);
1244 kfree(aac->fibs);
1245 kfree(aac->fsa_dev);
1246 out_free_host:
1247 scsi_host_put(shost);
1248 out_disable_pdev:
1249 pci_disable_device(pdev);
1250 out:
1251 return error;
1252}
1253
1254static void aac_shutdown(struct pci_dev *dev)
1255{
1256 struct Scsi_Host *shost = pci_get_drvdata(dev);
1257 scsi_block_requests(shost);
1258 __aac_shutdown((struct aac_dev *)shost->hostdata);
1259}
1260
1261static void __devexit aac_remove_one(struct pci_dev *pdev)
1262{
1263 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1264 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1265
1266 scsi_remove_host(shost);
1267
1268 __aac_shutdown(aac);
1269 aac_fib_map_free(aac);
1270 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1271 aac->comm_phys);
1272 kfree(aac->queues);
1273
1274 aac_adapter_ioremap(aac, 0);
1275
1276 kfree(aac->fibs);
1277 kfree(aac->fsa_dev);
1278
1279 list_del(&aac->entry);
1280 scsi_host_put(shost);
1281 pci_disable_device(pdev);
1282 if (list_empty(&aac_devices)) {
1283 unregister_chrdev(aac_cfg_major, "aac");
1284 aac_cfg_major = -1;
1285 }
1286}
1287
1288static struct pci_driver aac_pci_driver = {
1289 .name = AAC_DRIVERNAME,
1290 .id_table = aac_pci_tbl,
1291 .probe = aac_probe_one,
1292 .remove = __devexit_p(aac_remove_one),
1293 .shutdown = aac_shutdown,
1294};
1295
1296static int __init aac_init(void)
1297{
1298 int error;
1299
1300 printk(KERN_INFO "Adaptec %s driver %s\n",
1301 AAC_DRIVERNAME, aac_driver_version);
1302
1303 error = pci_register_driver(&aac_pci_driver);
1304 if (error < 0)
1305 return error;
1306
1307 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1308 if (aac_cfg_major < 0) {
1309 printk(KERN_WARNING
1310 "aacraid: unable to register \"aac\" device.\n");
1311 }
1312
1313 return 0;
1314}
1315
1316static void __exit aac_exit(void)
1317{
1318 if (aac_cfg_major > -1)
1319 unregister_chrdev(aac_cfg_major, "aac");
1320 pci_unregister_driver(&aac_pci_driver);
1321}
1322
1323module_init(aac_init);
1324module_exit(aac_exit);