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1/*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * Module Name:
26 * linit.c
27 *
28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
29 */
30
31
32#include <linux/compat.h>
33#include <linux/blkdev.h>
34#include <linux/completion.h>
35#include <linux/init.h>
36#include <linux/interrupt.h>
37#include <linux/kernel.h>
38#include <linux/module.h>
39#include <linux/moduleparam.h>
40#include <linux/pci.h>
41#include <linux/pci-aspm.h>
42#include <linux/slab.h>
43#include <linux/mutex.h>
44#include <linux/spinlock.h>
45#include <linux/syscalls.h>
46#include <linux/delay.h>
47#include <linux/kthread.h>
48
49#include <scsi/scsi.h>
50#include <scsi/scsi_cmnd.h>
51#include <scsi/scsi_device.h>
52#include <scsi/scsi_host.h>
53#include <scsi/scsi_tcq.h>
54#include <scsi/scsicam.h>
55#include <scsi/scsi_eh.h>
56
57#include "aacraid.h"
58
59#define AAC_DRIVER_VERSION "1.2-0"
60#ifndef AAC_DRIVER_BRANCH
61#define AAC_DRIVER_BRANCH ""
62#endif
63#define AAC_DRIVERNAME "aacraid"
64
65#ifdef AAC_DRIVER_BUILD
66#define _str(x) #x
67#define str(x) _str(x)
68#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
69#else
70#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
71#endif
72
73MODULE_AUTHOR("Red Hat Inc and Adaptec");
74MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
75 "Adaptec Advanced Raid Products, "
76 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
77MODULE_LICENSE("GPL");
78MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
79
80static DEFINE_MUTEX(aac_mutex);
81static LIST_HEAD(aac_devices);
82static int aac_cfg_major = -1;
83char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
84
85/*
86 * Because of the way Linux names scsi devices, the order in this table has
87 * become important. Check for on-board Raid first, add-in cards second.
88 *
89 * Note: The last field is used to index into aac_drivers below.
90 */
91static const struct pci_device_id aac_pci_tbl[] = {
92 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
93 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
94 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
95 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
96 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
97 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
98 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
99 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
100 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
101 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
102 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
103 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
104 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
105 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
106 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
107 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
108
109 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
110 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
111 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
112 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
113 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
114 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
115 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
116 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
117 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
118 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
123 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
124 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
125 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
126 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
127 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
128 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
129 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
130 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
131 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
132 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
133 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
134 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
135 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
136 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
137 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
138 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
139 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
140 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
141 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
142 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
143 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
144 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
145 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
146 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
147
148 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
149 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
150 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
151 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
152 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
153
154 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
155 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
156 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
157 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
158 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
159 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
160 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
161 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
162 { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
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 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
239 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */
242};
243
244/**
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
248 *
249 * Queues a command for execution by the associated Host Adapter.
250 *
251 * TODO: unify with aac_scsi_cmd().
252 */
253
254static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
255{
256 struct Scsi_Host *host = cmd->device->host;
257 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
258 u32 count = 0;
259 cmd->scsi_done = done;
260 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
261 struct fib * fib = &dev->fibs[count];
262 struct scsi_cmnd * command;
263 if (fib->hw_fib_va->header.XferState &&
264 ((command = fib->callback_data)) &&
265 (command == cmd) &&
266 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
267 return 0; /* Already owned by Adapter */
268 }
269 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
270 return (aac_scsi_cmd(cmd) ? FAILED : 0);
271}
272
273static DEF_SCSI_QCMD(aac_queuecommand)
274
275/**
276 * aac_info - Returns the host adapter name
277 * @shost: Scsi host to report on
278 *
279 * Returns a static string describing the device in question
280 */
281
282static const char *aac_info(struct Scsi_Host *shost)
283{
284 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
285 return aac_drivers[dev->cardtype].name;
286}
287
288/**
289 * aac_get_driver_ident
290 * @devtype: index into lookup table
291 *
292 * Returns a pointer to the entry in the driver lookup table.
293 */
294
295struct aac_driver_ident* aac_get_driver_ident(int devtype)
296{
297 return &aac_drivers[devtype];
298}
299
300/**
301 * aac_biosparm - return BIOS parameters for disk
302 * @sdev: The scsi device corresponding to the disk
303 * @bdev: the block device corresponding to the disk
304 * @capacity: the sector capacity of the disk
305 * @geom: geometry block to fill in
306 *
307 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
308 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
309 * number of cylinders so as not to exceed drive capacity. In order for
310 * disks equal to or larger than 1 GB to be addressable by the BIOS
311 * without exceeding the BIOS limitation of 1024 cylinders, Extended
312 * Translation should be enabled. With Extended Translation enabled,
313 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
314 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
315 * are given a disk geometry of 255 heads and 63 sectors. However, if
316 * the BIOS detects that the Extended Translation setting does not match
317 * the geometry in the partition table, then the translation inferred
318 * from the partition table will be used by the BIOS, and a warning may
319 * be displayed.
320 */
321
322static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
323 sector_t capacity, int *geom)
324{
325 struct diskparm *param = (struct diskparm *)geom;
326 unsigned char *buf;
327
328 dprintk((KERN_DEBUG "aac_biosparm.\n"));
329
330 /*
331 * Assuming extended translation is enabled - #REVISIT#
332 */
333 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
334 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
335 param->heads = 255;
336 param->sectors = 63;
337 } else {
338 param->heads = 128;
339 param->sectors = 32;
340 }
341 } else {
342 param->heads = 64;
343 param->sectors = 32;
344 }
345
346 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
347
348 /*
349 * Read the first 1024 bytes from the disk device, if the boot
350 * sector partition table is valid, search for a partition table
351 * entry whose end_head matches one of the standard geometry
352 * translations ( 64/32, 128/32, 255/63 ).
353 */
354 buf = scsi_bios_ptable(bdev);
355 if (!buf)
356 return 0;
357 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
358 struct partition *first = (struct partition * )buf;
359 struct partition *entry = first;
360 int saved_cylinders = param->cylinders;
361 int num;
362 unsigned char end_head, end_sec;
363
364 for(num = 0; num < 4; num++) {
365 end_head = entry->end_head;
366 end_sec = entry->end_sector & 0x3f;
367
368 if(end_head == 63) {
369 param->heads = 64;
370 param->sectors = 32;
371 break;
372 } else if(end_head == 127) {
373 param->heads = 128;
374 param->sectors = 32;
375 break;
376 } else if(end_head == 254) {
377 param->heads = 255;
378 param->sectors = 63;
379 break;
380 }
381 entry++;
382 }
383
384 if (num == 4) {
385 end_head = first->end_head;
386 end_sec = first->end_sector & 0x3f;
387 }
388
389 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
390 if (num < 4 && end_sec == param->sectors) {
391 if (param->cylinders != saved_cylinders)
392 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
393 param->heads, param->sectors, num));
394 } else if (end_head > 0 || end_sec > 0) {
395 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
396 end_head + 1, end_sec, num));
397 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
398 param->heads, param->sectors));
399 }
400 }
401 kfree(buf);
402 return 0;
403}
404
405/**
406 * aac_slave_configure - compute queue depths
407 * @sdev: SCSI device we are considering
408 *
409 * Selects queue depths for each target device based on the host adapter's
410 * total capacity and the queue depth supported by the target device.
411 * A queue depth of one automatically disables tagged queueing.
412 */
413
414static int aac_slave_configure(struct scsi_device *sdev)
415{
416 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
417 if (aac->jbod && (sdev->type == TYPE_DISK))
418 sdev->removable = 1;
419 if ((sdev->type == TYPE_DISK) &&
420 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
421 (!aac->jbod || sdev->inq_periph_qual) &&
422 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
423 if (expose_physicals == 0)
424 return -ENXIO;
425 if (expose_physicals < 0)
426 sdev->no_uld_attach = 1;
427 }
428 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
429 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
430 !sdev->no_uld_attach) {
431 struct scsi_device * dev;
432 struct Scsi_Host *host = sdev->host;
433 unsigned num_lsu = 0;
434 unsigned num_one = 0;
435 unsigned depth;
436 unsigned cid;
437
438 /*
439 * Firmware has an individual device recovery time typically
440 * of 35 seconds, give us a margin.
441 */
442 if (sdev->request_queue->rq_timeout < (45 * HZ))
443 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
444 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
445 if (aac->fsa_dev[cid].valid)
446 ++num_lsu;
447 __shost_for_each_device(dev, host) {
448 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
449 (!aac->raid_scsi_mode ||
450 (sdev_channel(sdev) != 2)) &&
451 !dev->no_uld_attach) {
452 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
453 || !aac->fsa_dev[sdev_id(dev)].valid)
454 ++num_lsu;
455 } else
456 ++num_one;
457 }
458 if (num_lsu == 0)
459 ++num_lsu;
460 depth = (host->can_queue - num_one) / num_lsu;
461 if (depth > 256)
462 depth = 256;
463 else if (depth < 2)
464 depth = 2;
465 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
466 } else
467 scsi_adjust_queue_depth(sdev, 0, 1);
468
469 return 0;
470}
471
472/**
473 * aac_change_queue_depth - alter queue depths
474 * @sdev: SCSI device we are considering
475 * @depth: desired queue depth
476 *
477 * Alters queue depths for target device based on the host adapter's
478 * total capacity and the queue depth supported by the target device.
479 */
480
481static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
482 int reason)
483{
484 if (reason != SCSI_QDEPTH_DEFAULT)
485 return -EOPNOTSUPP;
486
487 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
488 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
489 struct scsi_device * dev;
490 struct Scsi_Host *host = sdev->host;
491 unsigned num = 0;
492
493 __shost_for_each_device(dev, host) {
494 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
495 (sdev_channel(dev) == CONTAINER_CHANNEL))
496 ++num;
497 ++num;
498 }
499 if (num >= host->can_queue)
500 num = host->can_queue - 1;
501 if (depth > (host->can_queue - num))
502 depth = host->can_queue - num;
503 if (depth > 256)
504 depth = 256;
505 else if (depth < 2)
506 depth = 2;
507 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
508 } else
509 scsi_adjust_queue_depth(sdev, 0, 1);
510 return sdev->queue_depth;
511}
512
513static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
514{
515 struct scsi_device *sdev = to_scsi_device(dev);
516 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
517 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
518 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
519 ? "Hidden\n" :
520 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
521 return snprintf(buf, PAGE_SIZE, "%s\n",
522 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
523}
524
525static struct device_attribute aac_raid_level_attr = {
526 .attr = {
527 .name = "level",
528 .mode = S_IRUGO,
529 },
530 .show = aac_show_raid_level
531};
532
533static struct device_attribute *aac_dev_attrs[] = {
534 &aac_raid_level_attr,
535 NULL,
536};
537
538static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
539{
540 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
541 if (!capable(CAP_SYS_RAWIO))
542 return -EPERM;
543 return aac_do_ioctl(dev, cmd, arg);
544}
545
546static int aac_eh_abort(struct scsi_cmnd* cmd)
547{
548 struct scsi_device * dev = cmd->device;
549 struct Scsi_Host * host = dev->host;
550 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
551 int count;
552 int ret = FAILED;
553
554 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
555 AAC_DRIVERNAME,
556 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
557 switch (cmd->cmnd[0]) {
558 case SERVICE_ACTION_IN:
559 if (!(aac->raw_io_interface) ||
560 !(aac->raw_io_64) ||
561 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
562 break;
563 case INQUIRY:
564 case READ_CAPACITY:
565 /* Mark associated FIB to not complete, eh handler does this */
566 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
567 struct fib * fib = &aac->fibs[count];
568 if (fib->hw_fib_va->header.XferState &&
569 (fib->flags & FIB_CONTEXT_FLAG) &&
570 (fib->callback_data == cmd)) {
571 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
572 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
573 ret = SUCCESS;
574 }
575 }
576 break;
577 case TEST_UNIT_READY:
578 /* Mark associated FIB to not complete, eh handler does this */
579 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
580 struct scsi_cmnd * command;
581 struct fib * fib = &aac->fibs[count];
582 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
583 (fib->flags & FIB_CONTEXT_FLAG) &&
584 ((command = fib->callback_data)) &&
585 (command->device == cmd->device)) {
586 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
587 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
588 if (command == cmd)
589 ret = SUCCESS;
590 }
591 }
592 }
593 return ret;
594}
595
596/*
597 * aac_eh_reset - Reset command handling
598 * @scsi_cmd: SCSI command block causing the reset
599 *
600 */
601static int aac_eh_reset(struct scsi_cmnd* cmd)
602{
603 struct scsi_device * dev = cmd->device;
604 struct Scsi_Host * host = dev->host;
605 struct scsi_cmnd * command;
606 int count;
607 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
608 unsigned long flags;
609
610 /* Mark the associated FIB to not complete, eh handler does this */
611 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
612 struct fib * fib = &aac->fibs[count];
613 if (fib->hw_fib_va->header.XferState &&
614 (fib->flags & FIB_CONTEXT_FLAG) &&
615 (fib->callback_data == cmd)) {
616 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
617 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
618 }
619 }
620 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
621 AAC_DRIVERNAME);
622
623 if ((count = aac_check_health(aac)))
624 return count;
625 /*
626 * Wait for all commands to complete to this specific
627 * target (block maximum 60 seconds).
628 */
629 for (count = 60; count; --count) {
630 int active = aac->in_reset;
631
632 if (active == 0)
633 __shost_for_each_device(dev, host) {
634 spin_lock_irqsave(&dev->list_lock, flags);
635 list_for_each_entry(command, &dev->cmd_list, list) {
636 if ((command != cmd) &&
637 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
638 active++;
639 break;
640 }
641 }
642 spin_unlock_irqrestore(&dev->list_lock, flags);
643 if (active)
644 break;
645
646 }
647 /*
648 * We can exit If all the commands are complete
649 */
650 if (active == 0)
651 return SUCCESS;
652 ssleep(1);
653 }
654 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
655 /*
656 * This adapter needs a blind reset, only do so for Adapters that
657 * support a register, instead of a commanded, reset.
658 */
659 if (((aac->supplement_adapter_info.SupportedOptions2 &
660 AAC_OPTION_MU_RESET) ||
661 (aac->supplement_adapter_info.SupportedOptions2 &
662 AAC_OPTION_DOORBELL_RESET)) &&
663 aac_check_reset &&
664 ((aac_check_reset != 1) ||
665 !(aac->supplement_adapter_info.SupportedOptions2 &
666 AAC_OPTION_IGNORE_RESET)))
667 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
668 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
669}
670
671/**
672 * aac_cfg_open - open a configuration file
673 * @inode: inode being opened
674 * @file: file handle attached
675 *
676 * Called when the configuration device is opened. Does the needed
677 * set up on the handle and then returns
678 *
679 * Bugs: This needs extending to check a given adapter is present
680 * so we can support hot plugging, and to ref count adapters.
681 */
682
683static int aac_cfg_open(struct inode *inode, struct file *file)
684{
685 struct aac_dev *aac;
686 unsigned minor_number = iminor(inode);
687 int err = -ENODEV;
688
689 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
690 list_for_each_entry(aac, &aac_devices, entry) {
691 if (aac->id == minor_number) {
692 file->private_data = aac;
693 err = 0;
694 break;
695 }
696 }
697 mutex_unlock(&aac_mutex);
698
699 return err;
700}
701
702/**
703 * aac_cfg_ioctl - AAC configuration request
704 * @inode: inode of device
705 * @file: file handle
706 * @cmd: ioctl command code
707 * @arg: argument
708 *
709 * Handles a configuration ioctl. Currently this involves wrapping it
710 * up and feeding it into the nasty windowsalike glue layer.
711 *
712 * Bugs: Needs locking against parallel ioctls lower down
713 * Bugs: Needs to handle hot plugging
714 */
715
716static long aac_cfg_ioctl(struct file *file,
717 unsigned int cmd, unsigned long arg)
718{
719 int ret;
720 if (!capable(CAP_SYS_RAWIO))
721 return -EPERM;
722 mutex_lock(&aac_mutex);
723 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
724 mutex_unlock(&aac_mutex);
725
726 return ret;
727}
728
729#ifdef CONFIG_COMPAT
730static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
731{
732 long ret;
733 mutex_lock(&aac_mutex);
734 switch (cmd) {
735 case FSACTL_MINIPORT_REV_CHECK:
736 case FSACTL_SENDFIB:
737 case FSACTL_OPEN_GET_ADAPTER_FIB:
738 case FSACTL_CLOSE_GET_ADAPTER_FIB:
739 case FSACTL_SEND_RAW_SRB:
740 case FSACTL_GET_PCI_INFO:
741 case FSACTL_QUERY_DISK:
742 case FSACTL_DELETE_DISK:
743 case FSACTL_FORCE_DELETE_DISK:
744 case FSACTL_GET_CONTAINERS:
745 case FSACTL_SEND_LARGE_FIB:
746 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
747 break;
748
749 case FSACTL_GET_NEXT_ADAPTER_FIB: {
750 struct fib_ioctl __user *f;
751
752 f = compat_alloc_user_space(sizeof(*f));
753 ret = 0;
754 if (clear_user(f, sizeof(*f)))
755 ret = -EFAULT;
756 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
757 ret = -EFAULT;
758 if (!ret)
759 ret = aac_do_ioctl(dev, cmd, f);
760 break;
761 }
762
763 default:
764 ret = -ENOIOCTLCMD;
765 break;
766 }
767 mutex_unlock(&aac_mutex);
768 return ret;
769}
770
771static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
772{
773 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
774 if (!capable(CAP_SYS_RAWIO))
775 return -EPERM;
776 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
777}
778
779static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
780{
781 if (!capable(CAP_SYS_RAWIO))
782 return -EPERM;
783 return aac_compat_do_ioctl(file->private_data, cmd, arg);
784}
785#endif
786
787static ssize_t aac_show_model(struct device *device,
788 struct device_attribute *attr, char *buf)
789{
790 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
791 int len;
792
793 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
794 char * cp = dev->supplement_adapter_info.AdapterTypeText;
795 while (*cp && *cp != ' ')
796 ++cp;
797 while (*cp == ' ')
798 ++cp;
799 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
800 } else
801 len = snprintf(buf, PAGE_SIZE, "%s\n",
802 aac_drivers[dev->cardtype].model);
803 return len;
804}
805
806static ssize_t aac_show_vendor(struct device *device,
807 struct device_attribute *attr, char *buf)
808{
809 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
810 int len;
811
812 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
813 char * cp = dev->supplement_adapter_info.AdapterTypeText;
814 while (*cp && *cp != ' ')
815 ++cp;
816 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
817 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
818 dev->supplement_adapter_info.AdapterTypeText);
819 } else
820 len = snprintf(buf, PAGE_SIZE, "%s\n",
821 aac_drivers[dev->cardtype].vname);
822 return len;
823}
824
825static ssize_t aac_show_flags(struct device *cdev,
826 struct device_attribute *attr, char *buf)
827{
828 int len = 0;
829 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
830
831 if (nblank(dprintk(x)))
832 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
833#ifdef AAC_DETAILED_STATUS_INFO
834 len += snprintf(buf + len, PAGE_SIZE - len,
835 "AAC_DETAILED_STATUS_INFO\n");
836#endif
837 if (dev->raw_io_interface && dev->raw_io_64)
838 len += snprintf(buf + len, PAGE_SIZE - len,
839 "SAI_READ_CAPACITY_16\n");
840 if (dev->jbod)
841 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
842 if (dev->supplement_adapter_info.SupportedOptions2 &
843 AAC_OPTION_POWER_MANAGEMENT)
844 len += snprintf(buf + len, PAGE_SIZE - len,
845 "SUPPORTED_POWER_MANAGEMENT\n");
846 if (dev->msi)
847 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
848 return len;
849}
850
851static ssize_t aac_show_kernel_version(struct device *device,
852 struct device_attribute *attr,
853 char *buf)
854{
855 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
856 int len, tmp;
857
858 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
859 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
860 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
861 le32_to_cpu(dev->adapter_info.kernelbuild));
862 return len;
863}
864
865static ssize_t aac_show_monitor_version(struct device *device,
866 struct device_attribute *attr,
867 char *buf)
868{
869 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
870 int len, tmp;
871
872 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
873 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
874 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
875 le32_to_cpu(dev->adapter_info.monitorbuild));
876 return len;
877}
878
879static ssize_t aac_show_bios_version(struct device *device,
880 struct device_attribute *attr,
881 char *buf)
882{
883 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
884 int len, tmp;
885
886 tmp = le32_to_cpu(dev->adapter_info.biosrev);
887 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
888 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
889 le32_to_cpu(dev->adapter_info.biosbuild));
890 return len;
891}
892
893static ssize_t aac_show_serial_number(struct device *device,
894 struct device_attribute *attr, char *buf)
895{
896 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
897 int len = 0;
898
899 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
900 len = snprintf(buf, 16, "%06X\n",
901 le32_to_cpu(dev->adapter_info.serial[0]));
902 if (len &&
903 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
904 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
905 buf, len-1))
906 len = snprintf(buf, 16, "%.*s\n",
907 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
908 dev->supplement_adapter_info.MfgPcbaSerialNo);
909
910 return min(len, 16);
911}
912
913static ssize_t aac_show_max_channel(struct device *device,
914 struct device_attribute *attr, char *buf)
915{
916 return snprintf(buf, PAGE_SIZE, "%d\n",
917 class_to_shost(device)->max_channel);
918}
919
920static ssize_t aac_show_max_id(struct device *device,
921 struct device_attribute *attr, char *buf)
922{
923 return snprintf(buf, PAGE_SIZE, "%d\n",
924 class_to_shost(device)->max_id);
925}
926
927static ssize_t aac_store_reset_adapter(struct device *device,
928 struct device_attribute *attr,
929 const char *buf, size_t count)
930{
931 int retval = -EACCES;
932
933 if (!capable(CAP_SYS_ADMIN))
934 return retval;
935 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
936 if (retval >= 0)
937 retval = count;
938 return retval;
939}
940
941static ssize_t aac_show_reset_adapter(struct device *device,
942 struct device_attribute *attr,
943 char *buf)
944{
945 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
946 int len, tmp;
947
948 tmp = aac_adapter_check_health(dev);
949 if ((tmp == 0) && dev->in_reset)
950 tmp = -EBUSY;
951 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
952 return len;
953}
954
955static struct device_attribute aac_model = {
956 .attr = {
957 .name = "model",
958 .mode = S_IRUGO,
959 },
960 .show = aac_show_model,
961};
962static struct device_attribute aac_vendor = {
963 .attr = {
964 .name = "vendor",
965 .mode = S_IRUGO,
966 },
967 .show = aac_show_vendor,
968};
969static struct device_attribute aac_flags = {
970 .attr = {
971 .name = "flags",
972 .mode = S_IRUGO,
973 },
974 .show = aac_show_flags,
975};
976static struct device_attribute aac_kernel_version = {
977 .attr = {
978 .name = "hba_kernel_version",
979 .mode = S_IRUGO,
980 },
981 .show = aac_show_kernel_version,
982};
983static struct device_attribute aac_monitor_version = {
984 .attr = {
985 .name = "hba_monitor_version",
986 .mode = S_IRUGO,
987 },
988 .show = aac_show_monitor_version,
989};
990static struct device_attribute aac_bios_version = {
991 .attr = {
992 .name = "hba_bios_version",
993 .mode = S_IRUGO,
994 },
995 .show = aac_show_bios_version,
996};
997static struct device_attribute aac_serial_number = {
998 .attr = {
999 .name = "serial_number",
1000 .mode = S_IRUGO,
1001 },
1002 .show = aac_show_serial_number,
1003};
1004static struct device_attribute aac_max_channel = {
1005 .attr = {
1006 .name = "max_channel",
1007 .mode = S_IRUGO,
1008 },
1009 .show = aac_show_max_channel,
1010};
1011static struct device_attribute aac_max_id = {
1012 .attr = {
1013 .name = "max_id",
1014 .mode = S_IRUGO,
1015 },
1016 .show = aac_show_max_id,
1017};
1018static struct device_attribute aac_reset = {
1019 .attr = {
1020 .name = "reset_host",
1021 .mode = S_IWUSR|S_IRUGO,
1022 },
1023 .store = aac_store_reset_adapter,
1024 .show = aac_show_reset_adapter,
1025};
1026
1027static struct device_attribute *aac_attrs[] = {
1028 &aac_model,
1029 &aac_vendor,
1030 &aac_flags,
1031 &aac_kernel_version,
1032 &aac_monitor_version,
1033 &aac_bios_version,
1034 &aac_serial_number,
1035 &aac_max_channel,
1036 &aac_max_id,
1037 &aac_reset,
1038 NULL
1039};
1040
1041ssize_t aac_get_serial_number(struct device *device, char *buf)
1042{
1043 return aac_show_serial_number(device, &aac_serial_number, buf);
1044}
1045
1046static const struct file_operations aac_cfg_fops = {
1047 .owner = THIS_MODULE,
1048 .unlocked_ioctl = aac_cfg_ioctl,
1049#ifdef CONFIG_COMPAT
1050 .compat_ioctl = aac_compat_cfg_ioctl,
1051#endif
1052 .open = aac_cfg_open,
1053 .llseek = noop_llseek,
1054};
1055
1056static struct scsi_host_template aac_driver_template = {
1057 .module = THIS_MODULE,
1058 .name = "AAC",
1059 .proc_name = AAC_DRIVERNAME,
1060 .info = aac_info,
1061 .ioctl = aac_ioctl,
1062#ifdef CONFIG_COMPAT
1063 .compat_ioctl = aac_compat_ioctl,
1064#endif
1065 .queuecommand = aac_queuecommand,
1066 .bios_param = aac_biosparm,
1067 .shost_attrs = aac_attrs,
1068 .slave_configure = aac_slave_configure,
1069 .change_queue_depth = aac_change_queue_depth,
1070 .sdev_attrs = aac_dev_attrs,
1071 .eh_abort_handler = aac_eh_abort,
1072 .eh_host_reset_handler = aac_eh_reset,
1073 .can_queue = AAC_NUM_IO_FIB,
1074 .this_id = MAXIMUM_NUM_CONTAINERS,
1075 .sg_tablesize = 16,
1076 .max_sectors = 128,
1077#if (AAC_NUM_IO_FIB > 256)
1078 .cmd_per_lun = 256,
1079#else
1080 .cmd_per_lun = AAC_NUM_IO_FIB,
1081#endif
1082 .use_clustering = ENABLE_CLUSTERING,
1083 .emulated = 1,
1084 .no_write_same = 1,
1085};
1086
1087static void __aac_shutdown(struct aac_dev * aac)
1088{
1089 if (aac->aif_thread) {
1090 int i;
1091 /* Clear out events first */
1092 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1093 struct fib *fib = &aac->fibs[i];
1094 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1095 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1096 up(&fib->event_wait);
1097 }
1098 kthread_stop(aac->thread);
1099 }
1100 aac_send_shutdown(aac);
1101 aac_adapter_disable_int(aac);
1102 free_irq(aac->pdev->irq, aac);
1103 if (aac->msi)
1104 pci_disable_msi(aac->pdev);
1105}
1106
1107static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1108{
1109 unsigned index = id->driver_data;
1110 struct Scsi_Host *shost;
1111 struct aac_dev *aac;
1112 struct list_head *insert = &aac_devices;
1113 int error = -ENODEV;
1114 int unique_id = 0;
1115 u64 dmamask;
1116 extern int aac_sync_mode;
1117
1118 list_for_each_entry(aac, &aac_devices, entry) {
1119 if (aac->id > unique_id)
1120 break;
1121 insert = &aac->entry;
1122 unique_id++;
1123 }
1124
1125 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1126 PCIE_LINK_STATE_CLKPM);
1127
1128 error = pci_enable_device(pdev);
1129 if (error)
1130 goto out;
1131 error = -ENODEV;
1132
1133 /*
1134 * If the quirk31 bit is set, the adapter needs adapter
1135 * to driver communication memory to be allocated below 2gig
1136 */
1137 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1138 dmamask = DMA_BIT_MASK(31);
1139 else
1140 dmamask = DMA_BIT_MASK(32);
1141
1142 if (pci_set_dma_mask(pdev, dmamask) ||
1143 pci_set_consistent_dma_mask(pdev, dmamask))
1144 goto out_disable_pdev;
1145
1146 pci_set_master(pdev);
1147
1148 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1149 if (!shost)
1150 goto out_disable_pdev;
1151
1152 shost->irq = pdev->irq;
1153 shost->unique_id = unique_id;
1154 shost->max_cmd_len = 16;
1155
1156 aac = (struct aac_dev *)shost->hostdata;
1157 aac->base_start = pci_resource_start(pdev, 0);
1158 aac->scsi_host_ptr = shost;
1159 aac->pdev = pdev;
1160 aac->name = aac_driver_template.name;
1161 aac->id = shost->unique_id;
1162 aac->cardtype = index;
1163 INIT_LIST_HEAD(&aac->entry);
1164
1165 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1166 if (!aac->fibs)
1167 goto out_free_host;
1168 spin_lock_init(&aac->fib_lock);
1169
1170 /*
1171 * Map in the registers from the adapter.
1172 */
1173 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1174 if ((*aac_drivers[index].init)(aac))
1175 goto out_unmap;
1176
1177 if (aac->sync_mode) {
1178 if (aac_sync_mode)
1179 printk(KERN_INFO "%s%d: Sync. mode enforced "
1180 "by driver parameter. This will cause "
1181 "a significant performance decrease!\n",
1182 aac->name,
1183 aac->id);
1184 else
1185 printk(KERN_INFO "%s%d: Async. mode not supported "
1186 "by current driver, sync. mode enforced."
1187 "\nPlease update driver to get full performance.\n",
1188 aac->name,
1189 aac->id);
1190 }
1191
1192 /*
1193 * Start any kernel threads needed
1194 */
1195 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1196 if (IS_ERR(aac->thread)) {
1197 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1198 error = PTR_ERR(aac->thread);
1199 aac->thread = NULL;
1200 goto out_deinit;
1201 }
1202
1203 /*
1204 * If we had set a smaller DMA mask earlier, set it to 4gig
1205 * now since the adapter can dma data to at least a 4gig
1206 * address space.
1207 */
1208 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1209 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1210 goto out_deinit;
1211
1212 aac->maximum_num_channels = aac_drivers[index].channels;
1213 error = aac_get_adapter_info(aac);
1214 if (error < 0)
1215 goto out_deinit;
1216
1217 /*
1218 * Lets override negotiations and drop the maximum SG limit to 34
1219 */
1220 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1221 (shost->sg_tablesize > 34)) {
1222 shost->sg_tablesize = 34;
1223 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1224 }
1225
1226 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1227 (shost->sg_tablesize > 17)) {
1228 shost->sg_tablesize = 17;
1229 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1230 }
1231
1232 error = pci_set_dma_max_seg_size(pdev,
1233 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1234 (shost->max_sectors << 9) : 65536);
1235 if (error)
1236 goto out_deinit;
1237
1238 /*
1239 * Firmware printf works only with older firmware.
1240 */
1241 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1242 aac->printf_enabled = 1;
1243 else
1244 aac->printf_enabled = 0;
1245
1246 /*
1247 * max channel will be the physical channels plus 1 virtual channel
1248 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1249 * physical channels are address by their actual physical number+1
1250 */
1251 if (aac->nondasd_support || expose_physicals || aac->jbod)
1252 shost->max_channel = aac->maximum_num_channels;
1253 else
1254 shost->max_channel = 0;
1255
1256 aac_get_config_status(aac, 0);
1257 aac_get_containers(aac);
1258 list_add(&aac->entry, insert);
1259
1260 shost->max_id = aac->maximum_num_containers;
1261 if (shost->max_id < aac->maximum_num_physicals)
1262 shost->max_id = aac->maximum_num_physicals;
1263 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1264 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1265 else
1266 shost->this_id = shost->max_id;
1267
1268 /*
1269 * dmb - we may need to move the setting of these parms somewhere else once
1270 * we get a fib that can report the actual numbers
1271 */
1272 shost->max_lun = AAC_MAX_LUN;
1273
1274 pci_set_drvdata(pdev, shost);
1275
1276 error = scsi_add_host(shost, &pdev->dev);
1277 if (error)
1278 goto out_deinit;
1279 scsi_scan_host(shost);
1280
1281 return 0;
1282
1283 out_deinit:
1284 __aac_shutdown(aac);
1285 out_unmap:
1286 aac_fib_map_free(aac);
1287 if (aac->comm_addr)
1288 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1289 aac->comm_phys);
1290 kfree(aac->queues);
1291 aac_adapter_ioremap(aac, 0);
1292 kfree(aac->fibs);
1293 kfree(aac->fsa_dev);
1294 out_free_host:
1295 scsi_host_put(shost);
1296 out_disable_pdev:
1297 pci_disable_device(pdev);
1298 out:
1299 return error;
1300}
1301
1302static void aac_shutdown(struct pci_dev *dev)
1303{
1304 struct Scsi_Host *shost = pci_get_drvdata(dev);
1305 scsi_block_requests(shost);
1306 __aac_shutdown((struct aac_dev *)shost->hostdata);
1307}
1308
1309static void aac_remove_one(struct pci_dev *pdev)
1310{
1311 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1312 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1313
1314 scsi_remove_host(shost);
1315
1316 __aac_shutdown(aac);
1317 aac_fib_map_free(aac);
1318 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1319 aac->comm_phys);
1320 kfree(aac->queues);
1321
1322 aac_adapter_ioremap(aac, 0);
1323
1324 kfree(aac->fibs);
1325 kfree(aac->fsa_dev);
1326
1327 list_del(&aac->entry);
1328 scsi_host_put(shost);
1329 pci_disable_device(pdev);
1330 if (list_empty(&aac_devices)) {
1331 unregister_chrdev(aac_cfg_major, "aac");
1332 aac_cfg_major = -1;
1333 }
1334}
1335
1336static struct pci_driver aac_pci_driver = {
1337 .name = AAC_DRIVERNAME,
1338 .id_table = aac_pci_tbl,
1339 .probe = aac_probe_one,
1340 .remove = aac_remove_one,
1341 .shutdown = aac_shutdown,
1342};
1343
1344static int __init aac_init(void)
1345{
1346 int error;
1347
1348 printk(KERN_INFO "Adaptec %s driver %s\n",
1349 AAC_DRIVERNAME, aac_driver_version);
1350
1351 error = pci_register_driver(&aac_pci_driver);
1352 if (error < 0)
1353 return error;
1354
1355 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1356 if (aac_cfg_major < 0) {
1357 printk(KERN_WARNING
1358 "aacraid: unable to register \"aac\" device.\n");
1359 }
1360
1361 return 0;
1362}
1363
1364static void __exit aac_exit(void)
1365{
1366 if (aac_cfg_major > -1)
1367 unregister_chrdev(aac_cfg_major, "aac");
1368 pci_unregister_driver(&aac_pci_driver);
1369}
1370
1371module_init(aac_init);
1372module_exit(aac_exit);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Adaptec AAC series RAID controller driver
4 * (c) Copyright 2001 Red Hat Inc.
5 *
6 * based on the old aacraid driver that is..
7 * Adaptec aacraid device driver for Linux.
8 *
9 * Copyright (c) 2000-2010 Adaptec, Inc.
10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
12 *
13 * Module Name:
14 * linit.c
15 *
16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
17 */
18
19
20#include <linux/compat.h>
21#include <linux/blkdev.h>
22#include <linux/completion.h>
23#include <linux/init.h>
24#include <linux/interrupt.h>
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/moduleparam.h>
28#include <linux/pci.h>
29#include <linux/slab.h>
30#include <linux/mutex.h>
31#include <linux/spinlock.h>
32#include <linux/syscalls.h>
33#include <linux/delay.h>
34#include <linux/kthread.h>
35#include <linux/msdos_partition.h>
36
37#include <scsi/scsi.h>
38#include <scsi/scsi_cmnd.h>
39#include <scsi/scsi_device.h>
40#include <scsi/scsi_host.h>
41#include <scsi/scsi_tcq.h>
42#include <scsi/scsicam.h>
43#include <scsi/scsi_eh.h>
44
45#include "aacraid.h"
46
47#define AAC_DRIVER_VERSION "1.2.1"
48#ifndef AAC_DRIVER_BRANCH
49#define AAC_DRIVER_BRANCH ""
50#endif
51#define AAC_DRIVERNAME "aacraid"
52
53#ifdef AAC_DRIVER_BUILD
54#define _str(x) #x
55#define str(x) _str(x)
56#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
57#else
58#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
59#endif
60
61MODULE_AUTHOR("Red Hat Inc and Adaptec");
62MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
63 "Adaptec Advanced Raid Products, "
64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
65MODULE_LICENSE("GPL");
66MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
67
68static DEFINE_MUTEX(aac_mutex);
69static LIST_HEAD(aac_devices);
70static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
71char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
72
73/*
74 * Because of the way Linux names scsi devices, the order in this table has
75 * become important. Check for on-board Raid first, add-in cards second.
76 *
77 * Note: The last field is used to index into aac_drivers below.
78 */
79static const struct pci_device_id aac_pci_tbl[] = {
80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
96
97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
135
136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
141
142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
150 { 0,}
151};
152MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
153
154/*
155 * dmb - For now we add the number of channels to this structure.
156 * In the future we should add a fib that reports the number of channels
157 * for the card. At that time we can remove the channels from here
158 */
159static struct aac_driver_ident aac_drivers[] = {
160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
176
177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
213
214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
219
220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
228};
229
230/**
231 * aac_queuecommand - queue a SCSI command
232 * @shost: Scsi host to queue command on
233 * @cmd: SCSI command to queue
234 *
235 * Queues a command for execution by the associated Host Adapter.
236 *
237 * TODO: unify with aac_scsi_cmd().
238 */
239
240static int aac_queuecommand(struct Scsi_Host *shost,
241 struct scsi_cmnd *cmd)
242{
243 aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL;
244
245 return aac_scsi_cmd(cmd) ? FAILED : 0;
246}
247
248/**
249 * aac_info - Returns the host adapter name
250 * @shost: Scsi host to report on
251 *
252 * Returns a static string describing the device in question
253 */
254
255static const char *aac_info(struct Scsi_Host *shost)
256{
257 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
258 return aac_drivers[dev->cardtype].name;
259}
260
261/**
262 * aac_get_driver_ident
263 * @devtype: index into lookup table
264 *
265 * Returns a pointer to the entry in the driver lookup table.
266 */
267
268struct aac_driver_ident* aac_get_driver_ident(int devtype)
269{
270 return &aac_drivers[devtype];
271}
272
273/**
274 * aac_biosparm - return BIOS parameters for disk
275 * @sdev: The scsi device corresponding to the disk
276 * @bdev: the block device corresponding to the disk
277 * @capacity: the sector capacity of the disk
278 * @geom: geometry block to fill in
279 *
280 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
281 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
282 * number of cylinders so as not to exceed drive capacity. In order for
283 * disks equal to or larger than 1 GB to be addressable by the BIOS
284 * without exceeding the BIOS limitation of 1024 cylinders, Extended
285 * Translation should be enabled. With Extended Translation enabled,
286 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
287 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
288 * are given a disk geometry of 255 heads and 63 sectors. However, if
289 * the BIOS detects that the Extended Translation setting does not match
290 * the geometry in the partition table, then the translation inferred
291 * from the partition table will be used by the BIOS, and a warning may
292 * be displayed.
293 */
294
295static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
296 sector_t capacity, int *geom)
297{
298 struct diskparm *param = (struct diskparm *)geom;
299 unsigned char *buf;
300
301 dprintk((KERN_DEBUG "aac_biosparm.\n"));
302
303 /*
304 * Assuming extended translation is enabled - #REVISIT#
305 */
306 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
307 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
308 param->heads = 255;
309 param->sectors = 63;
310 } else {
311 param->heads = 128;
312 param->sectors = 32;
313 }
314 } else {
315 param->heads = 64;
316 param->sectors = 32;
317 }
318
319 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
320
321 /*
322 * Read the first 1024 bytes from the disk device, if the boot
323 * sector partition table is valid, search for a partition table
324 * entry whose end_head matches one of the standard geometry
325 * translations ( 64/32, 128/32, 255/63 ).
326 */
327 buf = scsi_bios_ptable(bdev);
328 if (!buf)
329 return 0;
330 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
331 struct msdos_partition *first = (struct msdos_partition *)buf;
332 struct msdos_partition *entry = first;
333 int saved_cylinders = param->cylinders;
334 int num;
335 unsigned char end_head, end_sec;
336
337 for(num = 0; num < 4; num++) {
338 end_head = entry->end_head;
339 end_sec = entry->end_sector & 0x3f;
340
341 if(end_head == 63) {
342 param->heads = 64;
343 param->sectors = 32;
344 break;
345 } else if(end_head == 127) {
346 param->heads = 128;
347 param->sectors = 32;
348 break;
349 } else if(end_head == 254) {
350 param->heads = 255;
351 param->sectors = 63;
352 break;
353 }
354 entry++;
355 }
356
357 if (num == 4) {
358 end_head = first->end_head;
359 end_sec = first->end_sector & 0x3f;
360 }
361
362 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
363 if (num < 4 && end_sec == param->sectors) {
364 if (param->cylinders != saved_cylinders) {
365 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
366 param->heads, param->sectors, num));
367 }
368 } else if (end_head > 0 || end_sec > 0) {
369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
370 end_head + 1, end_sec, num));
371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
372 param->heads, param->sectors));
373 }
374 }
375 kfree(buf);
376 return 0;
377}
378
379/**
380 * aac_slave_configure - compute queue depths
381 * @sdev: SCSI device we are considering
382 *
383 * Selects queue depths for each target device based on the host adapter's
384 * total capacity and the queue depth supported by the target device.
385 * A queue depth of one automatically disables tagged queueing.
386 */
387
388static int aac_slave_configure(struct scsi_device *sdev)
389{
390 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
391 int chn, tid;
392 unsigned int depth = 0;
393 unsigned int set_timeout = 0;
394 int timeout = 0;
395 bool set_qd_dev_type = false;
396 u8 devtype = 0;
397
398 chn = aac_logical_to_phys(sdev_channel(sdev));
399 tid = sdev_id(sdev);
400 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
401 devtype = aac->hba_map[chn][tid].devtype;
402
403 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
404 depth = aac->hba_map[chn][tid].qd_limit;
405 set_timeout = 1;
406 goto common_config;
407 }
408 if (devtype == AAC_DEVTYPE_ARC_RAW) {
409 set_qd_dev_type = true;
410 set_timeout = 1;
411 goto common_config;
412 }
413 }
414
415 if (aac->jbod && (sdev->type == TYPE_DISK))
416 sdev->removable = 1;
417
418 if (sdev->type == TYPE_DISK
419 && sdev_channel(sdev) != CONTAINER_CHANNEL
420 && (!aac->jbod || sdev->inq_periph_qual)
421 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
422
423 if (expose_physicals == 0)
424 return -ENXIO;
425
426 if (expose_physicals < 0)
427 sdev->no_uld_attach = 1;
428 }
429
430 if (sdev->tagged_supported
431 && sdev->type == TYPE_DISK
432 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
433 && !sdev->no_uld_attach) {
434
435 struct scsi_device * dev;
436 struct Scsi_Host *host = sdev->host;
437 unsigned num_lsu = 0;
438 unsigned num_one = 0;
439 unsigned cid;
440
441 set_timeout = 1;
442
443 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
444 if (aac->fsa_dev[cid].valid)
445 ++num_lsu;
446
447 __shost_for_each_device(dev, host) {
448 if (dev->tagged_supported
449 && dev->type == TYPE_DISK
450 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
451 && !dev->no_uld_attach) {
452 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
453 || !aac->fsa_dev[sdev_id(dev)].valid) {
454 ++num_lsu;
455 }
456 } else {
457 ++num_one;
458 }
459 }
460
461 if (num_lsu == 0)
462 ++num_lsu;
463
464 depth = (host->can_queue - num_one) / num_lsu;
465
466 if (sdev_channel(sdev) != NATIVE_CHANNEL)
467 goto common_config;
468
469 set_qd_dev_type = true;
470
471 }
472
473common_config:
474
475 /*
476 * Check if SATA drive
477 */
478 if (set_qd_dev_type) {
479 if (strncmp(sdev->vendor, "ATA", 3) == 0)
480 depth = 32;
481 else
482 depth = 64;
483 }
484
485 /*
486 * Firmware has an individual device recovery time typically
487 * of 35 seconds, give us a margin. Thor devices can take longer in
488 * error recovery, hence different value.
489 */
490 if (set_timeout) {
491 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
492 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
493 }
494
495 if (depth > 256)
496 depth = 256;
497 else if (depth < 1)
498 depth = 1;
499
500 scsi_change_queue_depth(sdev, depth);
501
502 sdev->tagged_supported = 1;
503
504 return 0;
505}
506
507/**
508 * aac_change_queue_depth - alter queue depths
509 * @sdev: SCSI device we are considering
510 * @depth: desired queue depth
511 *
512 * Alters queue depths for target device based on the host adapter's
513 * total capacity and the queue depth supported by the target device.
514 */
515
516static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
517{
518 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
519 int chn, tid, is_native_device = 0;
520
521 chn = aac_logical_to_phys(sdev_channel(sdev));
522 tid = sdev_id(sdev);
523 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
524 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
525 is_native_device = 1;
526
527 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
528 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
529 struct scsi_device * dev;
530 struct Scsi_Host *host = sdev->host;
531 unsigned num = 0;
532
533 __shost_for_each_device(dev, host) {
534 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
535 (sdev_channel(dev) == CONTAINER_CHANNEL))
536 ++num;
537 ++num;
538 }
539 if (num >= host->can_queue)
540 num = host->can_queue - 1;
541 if (depth > (host->can_queue - num))
542 depth = host->can_queue - num;
543 if (depth > 256)
544 depth = 256;
545 else if (depth < 2)
546 depth = 2;
547 return scsi_change_queue_depth(sdev, depth);
548 } else if (is_native_device) {
549 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
550 } else {
551 scsi_change_queue_depth(sdev, 1);
552 }
553 return sdev->queue_depth;
554}
555
556static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
557{
558 struct scsi_device *sdev = to_scsi_device(dev);
559 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
560 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
561 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
562 ? "Hidden\n" :
563 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
564 return snprintf(buf, PAGE_SIZE, "%s\n",
565 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
566}
567
568static struct device_attribute aac_raid_level_attr = {
569 .attr = {
570 .name = "level",
571 .mode = S_IRUGO,
572 },
573 .show = aac_show_raid_level
574};
575
576static ssize_t aac_show_unique_id(struct device *dev,
577 struct device_attribute *attr, char *buf)
578{
579 struct scsi_device *sdev = to_scsi_device(dev);
580 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
581 unsigned char sn[16];
582
583 memset(sn, 0, sizeof(sn));
584
585 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
586 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
587
588 return snprintf(buf, 16 * 2 + 2,
589 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
590 sn[0], sn[1], sn[2], sn[3],
591 sn[4], sn[5], sn[6], sn[7],
592 sn[8], sn[9], sn[10], sn[11],
593 sn[12], sn[13], sn[14], sn[15]);
594}
595
596static struct device_attribute aac_unique_id_attr = {
597 .attr = {
598 .name = "unique_id",
599 .mode = 0444,
600 },
601 .show = aac_show_unique_id
602};
603
604
605
606static struct attribute *aac_dev_attrs[] = {
607 &aac_raid_level_attr.attr,
608 &aac_unique_id_attr.attr,
609 NULL,
610};
611
612ATTRIBUTE_GROUPS(aac_dev);
613
614static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
615 void __user *arg)
616{
617 int retval;
618 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
619 if (!capable(CAP_SYS_RAWIO))
620 return -EPERM;
621 retval = aac_adapter_check_health(dev);
622 if (retval)
623 return -EBUSY;
624 return aac_do_ioctl(dev, cmd, arg);
625}
626
627struct fib_count_data {
628 int mlcnt;
629 int llcnt;
630 int ehcnt;
631 int fwcnt;
632 int krlcnt;
633};
634
635static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)
636{
637 struct fib_count_data *fib_count = data;
638
639 switch (aac_priv(scmnd)->owner) {
640 case AAC_OWNER_FIRMWARE:
641 fib_count->fwcnt++;
642 break;
643 case AAC_OWNER_ERROR_HANDLER:
644 fib_count->ehcnt++;
645 break;
646 case AAC_OWNER_LOWLEVEL:
647 fib_count->llcnt++;
648 break;
649 case AAC_OWNER_MIDLEVEL:
650 fib_count->mlcnt++;
651 break;
652 default:
653 fib_count->krlcnt++;
654 break;
655 }
656 return true;
657}
658
659/* Called during SCSI EH, so we don't need to block requests */
660static int get_num_of_incomplete_fibs(struct aac_dev *aac)
661{
662 struct Scsi_Host *shost = aac->scsi_host_ptr;
663 struct device *ctrl_dev;
664 struct fib_count_data fcnt = { };
665
666 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
667
668 ctrl_dev = &aac->pdev->dev;
669
670 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
671 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
672 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
673 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
674 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
675
676 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
677}
678
679static int aac_eh_abort(struct scsi_cmnd* cmd)
680{
681 struct aac_cmd_priv *cmd_priv = aac_priv(cmd);
682 struct scsi_device * dev = cmd->device;
683 struct Scsi_Host * host = dev->host;
684 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
685 int count, found;
686 u32 bus, cid;
687 int ret = FAILED;
688
689 if (aac_adapter_check_health(aac))
690 return ret;
691
692 bus = aac_logical_to_phys(scmd_channel(cmd));
693 cid = scmd_id(cmd);
694 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
695 struct fib *fib;
696 struct aac_hba_tm_req *tmf;
697 int status;
698 u64 address;
699
700 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
701 AAC_DRIVERNAME,
702 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
703
704 found = 0;
705 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
706 fib = &aac->fibs[count];
707 if (*(u8 *)fib->hw_fib_va != 0 &&
708 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
709 (fib->callback_data == cmd)) {
710 found = 1;
711 break;
712 }
713 }
714 if (!found)
715 return ret;
716
717 /* start a HBA_TMF_ABORT_TASK TMF request */
718 fib = aac_fib_alloc(aac);
719 if (!fib)
720 return ret;
721
722 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
723 memset(tmf, 0, sizeof(*tmf));
724 tmf->tmf = HBA_TMF_ABORT_TASK;
725 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
726 tmf->lun[1] = cmd->device->lun;
727
728 address = (u64)fib->hw_error_pa;
729 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
730 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
731 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
732
733 fib->hbacmd_size = sizeof(*tmf);
734 cmd_priv->sent_command = 0;
735
736 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
737 (fib_callback) aac_hba_callback,
738 (void *) cmd);
739 if (status != -EINPROGRESS) {
740 aac_fib_complete(fib);
741 aac_fib_free(fib);
742 return ret;
743 }
744 /* Wait up to 15 secs for completion */
745 for (count = 0; count < 15; ++count) {
746 if (cmd_priv->sent_command) {
747 ret = SUCCESS;
748 break;
749 }
750 msleep(1000);
751 }
752
753 if (ret != SUCCESS)
754 pr_err("%s: Host adapter abort request timed out\n",
755 AAC_DRIVERNAME);
756 } else {
757 pr_err(
758 "%s: Host adapter abort request.\n"
759 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
760 AAC_DRIVERNAME, AAC_DRIVERNAME,
761 host->host_no, sdev_channel(dev), sdev_id(dev),
762 (int)dev->lun);
763 switch (cmd->cmnd[0]) {
764 case SERVICE_ACTION_IN_16:
765 if (!(aac->raw_io_interface) ||
766 !(aac->raw_io_64) ||
767 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
768 break;
769 fallthrough;
770 case INQUIRY:
771 case READ_CAPACITY:
772 /*
773 * Mark associated FIB to not complete,
774 * eh handler does this
775 */
776 for (count = 0;
777 count < (host->can_queue + AAC_NUM_MGT_FIB);
778 ++count) {
779 struct fib *fib = &aac->fibs[count];
780
781 if (fib->hw_fib_va->header.XferState &&
782 (fib->flags & FIB_CONTEXT_FLAG) &&
783 (fib->callback_data == cmd)) {
784 fib->flags |=
785 FIB_CONTEXT_FLAG_TIMED_OUT;
786 cmd_priv->owner =
787 AAC_OWNER_ERROR_HANDLER;
788 ret = SUCCESS;
789 }
790 }
791 break;
792 case TEST_UNIT_READY:
793 /*
794 * Mark associated FIB to not complete,
795 * eh handler does this
796 */
797 for (count = 0;
798 count < (host->can_queue + AAC_NUM_MGT_FIB);
799 ++count) {
800 struct scsi_cmnd *command;
801 struct fib *fib = &aac->fibs[count];
802
803 command = fib->callback_data;
804
805 if ((fib->hw_fib_va->header.XferState &
806 cpu_to_le32
807 (Async | NoResponseExpected)) &&
808 (fib->flags & FIB_CONTEXT_FLAG) &&
809 ((command)) &&
810 (command->device == cmd->device)) {
811 fib->flags |=
812 FIB_CONTEXT_FLAG_TIMED_OUT;
813 aac_priv(command)->owner =
814 AAC_OWNER_ERROR_HANDLER;
815 if (command == cmd)
816 ret = SUCCESS;
817 }
818 }
819 break;
820 }
821 }
822 return ret;
823}
824
825static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
826 struct fib *fib, u64 tmf_lun)
827{
828 struct aac_hba_tm_req *tmf;
829 u64 address;
830
831 /* start a HBA_TMF_LUN_RESET TMF request */
832 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
833 memset(tmf, 0, sizeof(*tmf));
834 tmf->tmf = HBA_TMF_LUN_RESET;
835 tmf->it_nexus = info->rmw_nexus;
836 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
837
838 address = (u64)fib->hw_error_pa;
839 tmf->error_ptr_hi = cpu_to_le32
840 ((u32)(address >> 32));
841 tmf->error_ptr_lo = cpu_to_le32
842 ((u32)(address & 0xffffffff));
843 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
844 fib->hbacmd_size = sizeof(*tmf);
845
846 return HBA_IU_TYPE_SCSI_TM_REQ;
847}
848
849static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
850 struct fib *fib)
851{
852 struct aac_hba_reset_req *rst;
853 u64 address;
854
855 /* already tried, start a hard reset now */
856 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
857 memset(rst, 0, sizeof(*rst));
858 rst->it_nexus = info->rmw_nexus;
859
860 address = (u64)fib->hw_error_pa;
861 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
862 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
863 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
864 fib->hbacmd_size = sizeof(*rst);
865
866 return HBA_IU_TYPE_SATA_REQ;
867}
868
869static void aac_tmf_callback(void *context, struct fib *fibptr)
870{
871 struct aac_hba_resp *err =
872 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
873 struct aac_hba_map_info *info = context;
874 int res;
875
876 switch (err->service_response) {
877 case HBA_RESP_SVCRES_TMF_REJECTED:
878 res = -1;
879 break;
880 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
881 res = 0;
882 break;
883 case HBA_RESP_SVCRES_TMF_COMPLETE:
884 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
885 res = 0;
886 break;
887 default:
888 res = -2;
889 break;
890 }
891 aac_fib_complete(fibptr);
892
893 info->reset_state = res;
894}
895
896/*
897 * aac_eh_dev_reset - Device reset command handling
898 * @scsi_cmd: SCSI command block causing the reset
899 *
900 */
901static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
902{
903 struct scsi_device * dev = cmd->device;
904 struct Scsi_Host * host = dev->host;
905 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
906 struct aac_hba_map_info *info;
907 int count;
908 u32 bus, cid;
909 struct fib *fib;
910 int ret = FAILED;
911 int status;
912 u8 command;
913
914 bus = aac_logical_to_phys(scmd_channel(cmd));
915 cid = scmd_id(cmd);
916
917 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
918 return FAILED;
919
920 info = &aac->hba_map[bus][cid];
921
922 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
923 !(info->reset_state > 0)))
924 return FAILED;
925
926 pr_err("%s: Host device reset request. SCSI hang ?\n",
927 AAC_DRIVERNAME);
928
929 fib = aac_fib_alloc(aac);
930 if (!fib)
931 return ret;
932
933 /* start a HBA_TMF_LUN_RESET TMF request */
934 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
935
936 info->reset_state = 1;
937
938 status = aac_hba_send(command, fib,
939 (fib_callback) aac_tmf_callback,
940 (void *) info);
941 if (status != -EINPROGRESS) {
942 info->reset_state = 0;
943 aac_fib_complete(fib);
944 aac_fib_free(fib);
945 return ret;
946 }
947 /* Wait up to 15 seconds for completion */
948 for (count = 0; count < 15; ++count) {
949 if (info->reset_state == 0) {
950 ret = info->reset_state == 0 ? SUCCESS : FAILED;
951 break;
952 }
953 msleep(1000);
954 }
955
956 return ret;
957}
958
959/*
960 * aac_eh_target_reset - Target reset command handling
961 * @scsi_cmd: SCSI command block causing the reset
962 *
963 */
964static int aac_eh_target_reset(struct scsi_cmnd *cmd)
965{
966 struct scsi_device * dev = cmd->device;
967 struct Scsi_Host * host = dev->host;
968 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
969 struct aac_hba_map_info *info;
970 int count;
971 u32 bus, cid;
972 int ret = FAILED;
973 struct fib *fib;
974 int status;
975 u8 command;
976
977 bus = aac_logical_to_phys(scmd_channel(cmd));
978 cid = scmd_id(cmd);
979
980 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
981 return FAILED;
982
983 info = &aac->hba_map[bus][cid];
984
985 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
986 !(info->reset_state > 0)))
987 return FAILED;
988
989 pr_err("%s: Host target reset request. SCSI hang ?\n",
990 AAC_DRIVERNAME);
991
992 fib = aac_fib_alloc(aac);
993 if (!fib)
994 return ret;
995
996
997 /* already tried, start a hard reset now */
998 command = aac_eh_tmf_hard_reset_fib(info, fib);
999
1000 info->reset_state = 2;
1001
1002 status = aac_hba_send(command, fib,
1003 (fib_callback) aac_tmf_callback,
1004 (void *) info);
1005
1006 if (status != -EINPROGRESS) {
1007 info->reset_state = 0;
1008 aac_fib_complete(fib);
1009 aac_fib_free(fib);
1010 return ret;
1011 }
1012
1013 /* Wait up to 15 seconds for completion */
1014 for (count = 0; count < 15; ++count) {
1015 if (info->reset_state <= 0) {
1016 ret = info->reset_state == 0 ? SUCCESS : FAILED;
1017 break;
1018 }
1019 msleep(1000);
1020 }
1021
1022 return ret;
1023}
1024
1025/*
1026 * aac_eh_bus_reset - Bus reset command handling
1027 * @scsi_cmd: SCSI command block causing the reset
1028 *
1029 */
1030static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1031{
1032 struct scsi_device * dev = cmd->device;
1033 struct Scsi_Host * host = dev->host;
1034 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1035 int count;
1036 u32 cmd_bus;
1037 int status = 0;
1038
1039
1040 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1041 /* Mark the assoc. FIB to not complete, eh handler does this */
1042 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1043 struct fib *fib = &aac->fibs[count];
1044
1045 if (fib->hw_fib_va->header.XferState &&
1046 (fib->flags & FIB_CONTEXT_FLAG) &&
1047 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1048 struct aac_hba_map_info *info;
1049 u32 bus, cid;
1050
1051 cmd = (struct scsi_cmnd *)fib->callback_data;
1052 bus = aac_logical_to_phys(scmd_channel(cmd));
1053 if (bus != cmd_bus)
1054 continue;
1055 cid = scmd_id(cmd);
1056 info = &aac->hba_map[bus][cid];
1057 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1058 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1059 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1060 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;
1061 }
1062 }
1063 }
1064
1065 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1066
1067 /*
1068 * Check the health of the controller
1069 */
1070 status = aac_adapter_check_health(aac);
1071 if (status)
1072 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1073
1074 count = get_num_of_incomplete_fibs(aac);
1075 return (count == 0) ? SUCCESS : FAILED;
1076}
1077
1078/*
1079 * aac_eh_host_reset - Host reset command handling
1080 * @scsi_cmd: SCSI command block causing the reset
1081 *
1082 */
1083static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1084{
1085 struct scsi_device * dev = cmd->device;
1086 struct Scsi_Host * host = dev->host;
1087 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1088 int ret = FAILED;
1089 __le32 supported_options2 = 0;
1090 bool is_mu_reset;
1091 bool is_ignore_reset;
1092 bool is_doorbell_reset;
1093
1094 /*
1095 * Check if reset is supported by the firmware
1096 */
1097 supported_options2 = aac->supplement_adapter_info.supported_options2;
1098 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1099 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1100 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1101 /*
1102 * This adapter needs a blind reset, only do so for
1103 * Adapters that support a register, instead of a commanded,
1104 * reset.
1105 */
1106 if ((is_mu_reset || is_doorbell_reset)
1107 && aac_check_reset
1108 && (aac_check_reset != -1 || !is_ignore_reset)) {
1109 /* Bypass wait for command quiesce */
1110 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1111 ret = SUCCESS;
1112 }
1113 /*
1114 * Reset EH state
1115 */
1116 if (ret == SUCCESS) {
1117 int bus, cid;
1118 struct aac_hba_map_info *info;
1119
1120 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1121 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1122 info = &aac->hba_map[bus][cid];
1123 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1124 info->reset_state = 0;
1125 }
1126 }
1127 }
1128 return ret;
1129}
1130
1131/**
1132 * aac_cfg_open - open a configuration file
1133 * @inode: inode being opened
1134 * @file: file handle attached
1135 *
1136 * Called when the configuration device is opened. Does the needed
1137 * set up on the handle and then returns
1138 *
1139 * Bugs: This needs extending to check a given adapter is present
1140 * so we can support hot plugging, and to ref count adapters.
1141 */
1142
1143static int aac_cfg_open(struct inode *inode, struct file *file)
1144{
1145 struct aac_dev *aac;
1146 unsigned minor_number = iminor(inode);
1147 int err = -ENODEV;
1148
1149 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1150 list_for_each_entry(aac, &aac_devices, entry) {
1151 if (aac->id == minor_number) {
1152 file->private_data = aac;
1153 err = 0;
1154 break;
1155 }
1156 }
1157 mutex_unlock(&aac_mutex);
1158
1159 return err;
1160}
1161
1162/**
1163 * aac_cfg_ioctl - AAC configuration request
1164 * @file: file handle
1165 * @cmd: ioctl command code
1166 * @arg: argument
1167 *
1168 * Handles a configuration ioctl. Currently this involves wrapping it
1169 * up and feeding it into the nasty windowsalike glue layer.
1170 *
1171 * Bugs: Needs locking against parallel ioctls lower down
1172 * Bugs: Needs to handle hot plugging
1173 */
1174
1175static long aac_cfg_ioctl(struct file *file,
1176 unsigned int cmd, unsigned long arg)
1177{
1178 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1179
1180 if (!capable(CAP_SYS_RAWIO))
1181 return -EPERM;
1182
1183 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1184}
1185
1186static ssize_t aac_show_model(struct device *device,
1187 struct device_attribute *attr, char *buf)
1188{
1189 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1190 int len;
1191
1192 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1193 char *cp = dev->supplement_adapter_info.adapter_type_text;
1194 while (*cp && *cp != ' ')
1195 ++cp;
1196 while (*cp == ' ')
1197 ++cp;
1198 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1199 } else
1200 len = snprintf(buf, PAGE_SIZE, "%s\n",
1201 aac_drivers[dev->cardtype].model);
1202 return len;
1203}
1204
1205static ssize_t aac_show_vendor(struct device *device,
1206 struct device_attribute *attr, char *buf)
1207{
1208 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1209 struct aac_supplement_adapter_info *sup_adap_info;
1210 int len;
1211
1212 sup_adap_info = &dev->supplement_adapter_info;
1213 if (sup_adap_info->adapter_type_text[0]) {
1214 char *cp = sup_adap_info->adapter_type_text;
1215 while (*cp && *cp != ' ')
1216 ++cp;
1217 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1218 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1219 sup_adap_info->adapter_type_text);
1220 } else
1221 len = snprintf(buf, PAGE_SIZE, "%s\n",
1222 aac_drivers[dev->cardtype].vname);
1223 return len;
1224}
1225
1226static ssize_t aac_show_flags(struct device *cdev,
1227 struct device_attribute *attr, char *buf)
1228{
1229 int len = 0;
1230 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1231
1232 if (nblank(dprintk(x)))
1233 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1234#ifdef AAC_DETAILED_STATUS_INFO
1235 len += scnprintf(buf + len, PAGE_SIZE - len,
1236 "AAC_DETAILED_STATUS_INFO\n");
1237#endif
1238 if (dev->raw_io_interface && dev->raw_io_64)
1239 len += scnprintf(buf + len, PAGE_SIZE - len,
1240 "SAI_READ_CAPACITY_16\n");
1241 if (dev->jbod)
1242 len += scnprintf(buf + len, PAGE_SIZE - len,
1243 "SUPPORTED_JBOD\n");
1244 if (dev->supplement_adapter_info.supported_options2 &
1245 AAC_OPTION_POWER_MANAGEMENT)
1246 len += scnprintf(buf + len, PAGE_SIZE - len,
1247 "SUPPORTED_POWER_MANAGEMENT\n");
1248 if (dev->msi)
1249 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1250 return len;
1251}
1252
1253static ssize_t aac_show_kernel_version(struct device *device,
1254 struct device_attribute *attr,
1255 char *buf)
1256{
1257 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1258 int len, tmp;
1259
1260 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1261 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1262 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1263 le32_to_cpu(dev->adapter_info.kernelbuild));
1264 return len;
1265}
1266
1267static ssize_t aac_show_monitor_version(struct device *device,
1268 struct device_attribute *attr,
1269 char *buf)
1270{
1271 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1272 int len, tmp;
1273
1274 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1275 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1276 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1277 le32_to_cpu(dev->adapter_info.monitorbuild));
1278 return len;
1279}
1280
1281static ssize_t aac_show_bios_version(struct device *device,
1282 struct device_attribute *attr,
1283 char *buf)
1284{
1285 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1286 int len, tmp;
1287
1288 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1289 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1290 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1291 le32_to_cpu(dev->adapter_info.biosbuild));
1292 return len;
1293}
1294
1295static ssize_t aac_show_driver_version(struct device *device,
1296 struct device_attribute *attr,
1297 char *buf)
1298{
1299 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1300}
1301
1302static ssize_t aac_show_serial_number(struct device *device,
1303 struct device_attribute *attr, char *buf)
1304{
1305 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1306 int len = 0;
1307
1308 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1309 len = snprintf(buf, 16, "%06X\n",
1310 le32_to_cpu(dev->adapter_info.serial[0]));
1311 if (len &&
1312 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1313 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1314 buf, len-1))
1315 len = snprintf(buf, 16, "%.*s\n",
1316 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1317 dev->supplement_adapter_info.mfg_pcba_serial_no);
1318
1319 return min(len, 16);
1320}
1321
1322static ssize_t aac_show_max_channel(struct device *device,
1323 struct device_attribute *attr, char *buf)
1324{
1325 return snprintf(buf, PAGE_SIZE, "%d\n",
1326 class_to_shost(device)->max_channel);
1327}
1328
1329static ssize_t aac_show_max_id(struct device *device,
1330 struct device_attribute *attr, char *buf)
1331{
1332 return snprintf(buf, PAGE_SIZE, "%d\n",
1333 class_to_shost(device)->max_id);
1334}
1335
1336static ssize_t aac_store_reset_adapter(struct device *device,
1337 struct device_attribute *attr,
1338 const char *buf, size_t count)
1339{
1340 int retval = -EACCES;
1341
1342 if (!capable(CAP_SYS_ADMIN))
1343 return retval;
1344
1345 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1346 buf[0] == '!', IOP_HWSOFT_RESET);
1347 if (retval >= 0)
1348 retval = count;
1349
1350 return retval;
1351}
1352
1353static ssize_t aac_show_reset_adapter(struct device *device,
1354 struct device_attribute *attr,
1355 char *buf)
1356{
1357 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1358 int len, tmp;
1359
1360 tmp = aac_adapter_check_health(dev);
1361 if ((tmp == 0) && dev->in_reset)
1362 tmp = -EBUSY;
1363 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1364 return len;
1365}
1366
1367static struct device_attribute aac_model = {
1368 .attr = {
1369 .name = "model",
1370 .mode = S_IRUGO,
1371 },
1372 .show = aac_show_model,
1373};
1374static struct device_attribute aac_vendor = {
1375 .attr = {
1376 .name = "vendor",
1377 .mode = S_IRUGO,
1378 },
1379 .show = aac_show_vendor,
1380};
1381static struct device_attribute aac_flags = {
1382 .attr = {
1383 .name = "flags",
1384 .mode = S_IRUGO,
1385 },
1386 .show = aac_show_flags,
1387};
1388static struct device_attribute aac_kernel_version = {
1389 .attr = {
1390 .name = "hba_kernel_version",
1391 .mode = S_IRUGO,
1392 },
1393 .show = aac_show_kernel_version,
1394};
1395static struct device_attribute aac_monitor_version = {
1396 .attr = {
1397 .name = "hba_monitor_version",
1398 .mode = S_IRUGO,
1399 },
1400 .show = aac_show_monitor_version,
1401};
1402static struct device_attribute aac_bios_version = {
1403 .attr = {
1404 .name = "hba_bios_version",
1405 .mode = S_IRUGO,
1406 },
1407 .show = aac_show_bios_version,
1408};
1409static struct device_attribute aac_lld_version = {
1410 .attr = {
1411 .name = "driver_version",
1412 .mode = 0444,
1413 },
1414 .show = aac_show_driver_version,
1415};
1416static struct device_attribute aac_serial_number = {
1417 .attr = {
1418 .name = "serial_number",
1419 .mode = S_IRUGO,
1420 },
1421 .show = aac_show_serial_number,
1422};
1423static struct device_attribute aac_max_channel = {
1424 .attr = {
1425 .name = "max_channel",
1426 .mode = S_IRUGO,
1427 },
1428 .show = aac_show_max_channel,
1429};
1430static struct device_attribute aac_max_id = {
1431 .attr = {
1432 .name = "max_id",
1433 .mode = S_IRUGO,
1434 },
1435 .show = aac_show_max_id,
1436};
1437static struct device_attribute aac_reset = {
1438 .attr = {
1439 .name = "reset_host",
1440 .mode = S_IWUSR|S_IRUGO,
1441 },
1442 .store = aac_store_reset_adapter,
1443 .show = aac_show_reset_adapter,
1444};
1445
1446static struct attribute *aac_host_attrs[] = {
1447 &aac_model.attr,
1448 &aac_vendor.attr,
1449 &aac_flags.attr,
1450 &aac_kernel_version.attr,
1451 &aac_monitor_version.attr,
1452 &aac_bios_version.attr,
1453 &aac_lld_version.attr,
1454 &aac_serial_number.attr,
1455 &aac_max_channel.attr,
1456 &aac_max_id.attr,
1457 &aac_reset.attr,
1458 NULL
1459};
1460
1461ATTRIBUTE_GROUPS(aac_host);
1462
1463ssize_t aac_get_serial_number(struct device *device, char *buf)
1464{
1465 return aac_show_serial_number(device, &aac_serial_number, buf);
1466}
1467
1468static const struct file_operations aac_cfg_fops = {
1469 .owner = THIS_MODULE,
1470 .unlocked_ioctl = aac_cfg_ioctl,
1471#ifdef CONFIG_COMPAT
1472 .compat_ioctl = aac_cfg_ioctl,
1473#endif
1474 .open = aac_cfg_open,
1475 .llseek = noop_llseek,
1476};
1477
1478static const struct scsi_host_template aac_driver_template = {
1479 .module = THIS_MODULE,
1480 .name = "AAC",
1481 .proc_name = AAC_DRIVERNAME,
1482 .info = aac_info,
1483 .ioctl = aac_ioctl,
1484#ifdef CONFIG_COMPAT
1485 .compat_ioctl = aac_ioctl,
1486#endif
1487 .queuecommand = aac_queuecommand,
1488 .bios_param = aac_biosparm,
1489 .shost_groups = aac_host_groups,
1490 .slave_configure = aac_slave_configure,
1491 .change_queue_depth = aac_change_queue_depth,
1492 .sdev_groups = aac_dev_groups,
1493 .eh_abort_handler = aac_eh_abort,
1494 .eh_device_reset_handler = aac_eh_dev_reset,
1495 .eh_target_reset_handler = aac_eh_target_reset,
1496 .eh_bus_reset_handler = aac_eh_bus_reset,
1497 .eh_host_reset_handler = aac_eh_host_reset,
1498 .can_queue = AAC_NUM_IO_FIB,
1499 .this_id = MAXIMUM_NUM_CONTAINERS,
1500 .sg_tablesize = 16,
1501 .max_sectors = 128,
1502#if (AAC_NUM_IO_FIB > 256)
1503 .cmd_per_lun = 256,
1504#else
1505 .cmd_per_lun = AAC_NUM_IO_FIB,
1506#endif
1507 .emulated = 1,
1508 .no_write_same = 1,
1509 .cmd_size = sizeof(struct aac_cmd_priv),
1510};
1511
1512static void __aac_shutdown(struct aac_dev * aac)
1513{
1514 int i;
1515
1516 mutex_lock(&aac->ioctl_mutex);
1517 aac->adapter_shutdown = 1;
1518 mutex_unlock(&aac->ioctl_mutex);
1519
1520 if (aac->aif_thread) {
1521 int i;
1522 /* Clear out events first */
1523 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1524 struct fib *fib = &aac->fibs[i];
1525 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1526 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1527 complete(&fib->event_wait);
1528 }
1529 kthread_stop(aac->thread);
1530 aac->thread = NULL;
1531 }
1532
1533 aac_send_shutdown(aac);
1534
1535 aac_adapter_disable_int(aac);
1536
1537 if (aac_is_src(aac)) {
1538 if (aac->max_msix > 1) {
1539 for (i = 0; i < aac->max_msix; i++) {
1540 free_irq(pci_irq_vector(aac->pdev, i),
1541 &(aac->aac_msix[i]));
1542 }
1543 } else {
1544 free_irq(aac->pdev->irq,
1545 &(aac->aac_msix[0]));
1546 }
1547 } else {
1548 free_irq(aac->pdev->irq, aac);
1549 }
1550 if (aac->msi)
1551 pci_disable_msi(aac->pdev);
1552 else if (aac->max_msix > 1)
1553 pci_disable_msix(aac->pdev);
1554}
1555static void aac_init_char(void)
1556{
1557 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1558 if (aac_cfg_major < 0) {
1559 pr_err("aacraid: unable to register \"aac\" device.\n");
1560 }
1561}
1562
1563void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1564{
1565 /*
1566 * Firmware may send a AIF messages very early and the Driver may have
1567 * ignored as it is not fully ready to process the messages. Send
1568 * AIF to firmware so that if there are any unprocessed events they
1569 * can be processed now.
1570 */
1571 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1572 aac_intr_normal(aac, 0, 2, 0, NULL);
1573
1574}
1575
1576static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1577{
1578 unsigned index = id->driver_data;
1579 struct Scsi_Host *shost;
1580 struct aac_dev *aac;
1581 struct list_head *insert = &aac_devices;
1582 int error;
1583 int unique_id = 0;
1584 u64 dmamask;
1585 int mask_bits = 0;
1586 extern int aac_sync_mode;
1587
1588 /*
1589 * Only series 7 needs freset.
1590 */
1591 if (pdev->device == PMC_DEVICE_S7)
1592 pdev->needs_freset = 1;
1593
1594 list_for_each_entry(aac, &aac_devices, entry) {
1595 if (aac->id > unique_id)
1596 break;
1597 insert = &aac->entry;
1598 unique_id++;
1599 }
1600
1601 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1602 PCIE_LINK_STATE_CLKPM);
1603
1604 error = pci_enable_device(pdev);
1605 if (error)
1606 goto out;
1607
1608 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1609 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
1610 if (error) {
1611 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1612 goto out_disable_pdev;
1613 }
1614 }
1615
1616 /*
1617 * If the quirk31 bit is set, the adapter needs adapter
1618 * to driver communication memory to be allocated below 2gig
1619 */
1620 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1621 dmamask = DMA_BIT_MASK(31);
1622 mask_bits = 31;
1623 } else {
1624 dmamask = DMA_BIT_MASK(32);
1625 mask_bits = 32;
1626 }
1627
1628 error = dma_set_coherent_mask(&pdev->dev, dmamask);
1629 if (error) {
1630 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1631 , mask_bits);
1632 goto out_disable_pdev;
1633 }
1634
1635 pci_set_master(pdev);
1636
1637 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1638 if (!shost) {
1639 error = -ENOMEM;
1640 goto out_disable_pdev;
1641 }
1642
1643 shost->irq = pdev->irq;
1644 shost->unique_id = unique_id;
1645 shost->max_cmd_len = 16;
1646
1647 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1648 aac_init_char();
1649
1650 aac = (struct aac_dev *)shost->hostdata;
1651 aac->base_start = pci_resource_start(pdev, 0);
1652 aac->scsi_host_ptr = shost;
1653 aac->pdev = pdev;
1654 aac->name = aac_driver_template.name;
1655 aac->id = shost->unique_id;
1656 aac->cardtype = index;
1657 INIT_LIST_HEAD(&aac->entry);
1658
1659 if (aac_reset_devices || reset_devices)
1660 aac->init_reset = true;
1661
1662 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1663 sizeof(struct fib),
1664 GFP_KERNEL);
1665 if (!aac->fibs) {
1666 error = -ENOMEM;
1667 goto out_free_host;
1668 }
1669
1670 spin_lock_init(&aac->fib_lock);
1671
1672 mutex_init(&aac->ioctl_mutex);
1673 mutex_init(&aac->scan_mutex);
1674
1675 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1676 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1677 aac_src_reinit_aif_worker);
1678 /*
1679 * Map in the registers from the adapter.
1680 */
1681 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1682 if ((*aac_drivers[index].init)(aac)) {
1683 error = -ENODEV;
1684 goto out_unmap;
1685 }
1686
1687 if (aac->sync_mode) {
1688 if (aac_sync_mode)
1689 printk(KERN_INFO "%s%d: Sync. mode enforced "
1690 "by driver parameter. This will cause "
1691 "a significant performance decrease!\n",
1692 aac->name,
1693 aac->id);
1694 else
1695 printk(KERN_INFO "%s%d: Async. mode not supported "
1696 "by current driver, sync. mode enforced."
1697 "\nPlease update driver to get full performance.\n",
1698 aac->name,
1699 aac->id);
1700 }
1701
1702 /*
1703 * Start any kernel threads needed
1704 */
1705 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1706 if (IS_ERR(aac->thread)) {
1707 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1708 error = PTR_ERR(aac->thread);
1709 aac->thread = NULL;
1710 goto out_deinit;
1711 }
1712
1713 aac->maximum_num_channels = aac_drivers[index].channels;
1714 error = aac_get_adapter_info(aac);
1715 if (error < 0)
1716 goto out_deinit;
1717
1718 /*
1719 * Lets override negotiations and drop the maximum SG limit to 34
1720 */
1721 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1722 (shost->sg_tablesize > 34)) {
1723 shost->sg_tablesize = 34;
1724 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1725 }
1726
1727 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1728 (shost->sg_tablesize > 17)) {
1729 shost->sg_tablesize = 17;
1730 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1731 }
1732
1733 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1734 shost->max_segment_size = shost->max_sectors << 9;
1735 else
1736 shost->max_segment_size = 65536;
1737
1738 /*
1739 * Firmware printf works only with older firmware.
1740 */
1741 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1742 aac->printf_enabled = 1;
1743 else
1744 aac->printf_enabled = 0;
1745
1746 /*
1747 * max channel will be the physical channels plus 1 virtual channel
1748 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1749 * physical channels are address by their actual physical number+1
1750 */
1751 if (aac->nondasd_support || expose_physicals || aac->jbod)
1752 shost->max_channel = aac->maximum_num_channels;
1753 else
1754 shost->max_channel = 0;
1755
1756 aac_get_config_status(aac, 0);
1757 aac_get_containers(aac);
1758 list_add(&aac->entry, insert);
1759
1760 shost->max_id = aac->maximum_num_containers;
1761 if (shost->max_id < aac->maximum_num_physicals)
1762 shost->max_id = aac->maximum_num_physicals;
1763 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1764 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1765 else
1766 shost->this_id = shost->max_id;
1767
1768 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1769 aac_intr_normal(aac, 0, 2, 0, NULL);
1770
1771 /*
1772 * dmb - we may need to move the setting of these parms somewhere else once
1773 * we get a fib that can report the actual numbers
1774 */
1775 shost->max_lun = AAC_MAX_LUN;
1776
1777 pci_set_drvdata(pdev, shost);
1778
1779 error = scsi_add_host(shost, &pdev->dev);
1780 if (error)
1781 goto out_deinit;
1782
1783 aac_scan_host(aac);
1784
1785 pci_save_state(pdev);
1786
1787 return 0;
1788
1789 out_deinit:
1790 __aac_shutdown(aac);
1791 out_unmap:
1792 aac_fib_map_free(aac);
1793 if (aac->comm_addr)
1794 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1795 aac->comm_addr, aac->comm_phys);
1796 kfree(aac->queues);
1797 aac_adapter_ioremap(aac, 0);
1798 kfree(aac->fibs);
1799 kfree(aac->fsa_dev);
1800 out_free_host:
1801 scsi_host_put(shost);
1802 out_disable_pdev:
1803 pci_disable_device(pdev);
1804 out:
1805 return error;
1806}
1807
1808static void aac_release_resources(struct aac_dev *aac)
1809{
1810 aac_adapter_disable_int(aac);
1811 aac_free_irq(aac);
1812}
1813
1814static int aac_acquire_resources(struct aac_dev *dev)
1815{
1816 unsigned long status;
1817 /*
1818 * First clear out all interrupts. Then enable the one's that we
1819 * can handle.
1820 */
1821 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1822 || status == 0xffffffff)
1823 msleep(20);
1824
1825 aac_adapter_disable_int(dev);
1826 aac_adapter_enable_int(dev);
1827
1828
1829 if (aac_is_src(dev))
1830 aac_define_int_mode(dev);
1831
1832 if (dev->msi_enabled)
1833 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1834
1835 if (aac_acquire_irq(dev))
1836 goto error_iounmap;
1837
1838 aac_adapter_enable_int(dev);
1839
1840 /*max msix may change after EEH
1841 * Re-assign vectors to fibs
1842 */
1843 aac_fib_vector_assign(dev);
1844
1845 if (!dev->sync_mode) {
1846 /* After EEH recovery or suspend resume, max_msix count
1847 * may change, therefore updating in init as well.
1848 */
1849 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1850 aac_adapter_start(dev);
1851 }
1852 return 0;
1853
1854error_iounmap:
1855 return -1;
1856
1857}
1858
1859static int __maybe_unused aac_suspend(struct device *dev)
1860{
1861 struct Scsi_Host *shost = dev_get_drvdata(dev);
1862 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1863
1864 scsi_host_block(shost);
1865 aac_cancel_rescan_worker(aac);
1866 aac_send_shutdown(aac);
1867
1868 aac_release_resources(aac);
1869
1870 return 0;
1871}
1872
1873static int __maybe_unused aac_resume(struct device *dev)
1874{
1875 struct Scsi_Host *shost = dev_get_drvdata(dev);
1876 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1877
1878 if (aac_acquire_resources(aac))
1879 goto fail_device;
1880 /*
1881 * reset this flag to unblock ioctl() as it was set at
1882 * aac_send_shutdown() to block ioctls from upperlayer
1883 */
1884 aac->adapter_shutdown = 0;
1885 scsi_host_unblock(shost, SDEV_RUNNING);
1886
1887 return 0;
1888
1889fail_device:
1890 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1891 scsi_host_put(shost);
1892 return -ENODEV;
1893}
1894
1895static void aac_shutdown(struct pci_dev *dev)
1896{
1897 struct Scsi_Host *shost = pci_get_drvdata(dev);
1898
1899 scsi_host_block(shost);
1900 __aac_shutdown((struct aac_dev *)shost->hostdata);
1901}
1902
1903static void aac_remove_one(struct pci_dev *pdev)
1904{
1905 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1906 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1907
1908 aac_cancel_rescan_worker(aac);
1909 scsi_remove_host(shost);
1910
1911 __aac_shutdown(aac);
1912 aac_fib_map_free(aac);
1913 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1914 aac->comm_phys);
1915 kfree(aac->queues);
1916
1917 aac_adapter_ioremap(aac, 0);
1918
1919 kfree(aac->fibs);
1920 kfree(aac->fsa_dev);
1921
1922 list_del(&aac->entry);
1923 scsi_host_put(shost);
1924 pci_disable_device(pdev);
1925 if (list_empty(&aac_devices)) {
1926 unregister_chrdev(aac_cfg_major, "aac");
1927 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1928 }
1929}
1930
1931static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1932 pci_channel_state_t error)
1933{
1934 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1935 struct aac_dev *aac = shost_priv(shost);
1936
1937 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1938
1939 switch (error) {
1940 case pci_channel_io_normal:
1941 return PCI_ERS_RESULT_CAN_RECOVER;
1942 case pci_channel_io_frozen:
1943 aac->handle_pci_error = 1;
1944
1945 scsi_host_block(shost);
1946 aac_cancel_rescan_worker(aac);
1947 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1948 aac_release_resources(aac);
1949
1950 aac_adapter_ioremap(aac, 0);
1951
1952 return PCI_ERS_RESULT_NEED_RESET;
1953 case pci_channel_io_perm_failure:
1954 aac->handle_pci_error = 1;
1955
1956 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1957 return PCI_ERS_RESULT_DISCONNECT;
1958 }
1959
1960 return PCI_ERS_RESULT_NEED_RESET;
1961}
1962
1963static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1964{
1965 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1966 return PCI_ERS_RESULT_NEED_RESET;
1967}
1968
1969static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1970{
1971 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1972 pci_restore_state(pdev);
1973 if (pci_enable_device(pdev)) {
1974 dev_warn(&pdev->dev,
1975 "aacraid: failed to enable slave\n");
1976 goto fail_device;
1977 }
1978
1979 pci_set_master(pdev);
1980
1981 if (pci_enable_device_mem(pdev)) {
1982 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1983 goto fail_device;
1984 }
1985
1986 return PCI_ERS_RESULT_RECOVERED;
1987
1988fail_device:
1989 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1990 return PCI_ERS_RESULT_DISCONNECT;
1991}
1992
1993
1994static void aac_pci_resume(struct pci_dev *pdev)
1995{
1996 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1997 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1998
1999 if (aac_adapter_ioremap(aac, aac->base_size)) {
2000
2001 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2002 /* remap failed, go back ... */
2003 aac->comm_interface = AAC_COMM_PRODUCER;
2004 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2005 dev_warn(&pdev->dev,
2006 "aacraid: unable to map adapter.\n");
2007
2008 return;
2009 }
2010 }
2011
2012 msleep(10000);
2013
2014 aac_acquire_resources(aac);
2015
2016 /*
2017 * reset this flag to unblock ioctl() as it was set
2018 * at aac_send_shutdown() to block ioctls from upperlayer
2019 */
2020 aac->adapter_shutdown = 0;
2021 aac->handle_pci_error = 0;
2022
2023 scsi_host_unblock(shost, SDEV_RUNNING);
2024 aac_scan_host(aac);
2025 pci_save_state(pdev);
2026
2027 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2028}
2029
2030static struct pci_error_handlers aac_pci_err_handler = {
2031 .error_detected = aac_pci_error_detected,
2032 .mmio_enabled = aac_pci_mmio_enabled,
2033 .slot_reset = aac_pci_slot_reset,
2034 .resume = aac_pci_resume,
2035};
2036
2037static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
2038
2039static struct pci_driver aac_pci_driver = {
2040 .name = AAC_DRIVERNAME,
2041 .id_table = aac_pci_tbl,
2042 .probe = aac_probe_one,
2043 .remove = aac_remove_one,
2044 .driver.pm = &aac_pm_ops,
2045 .shutdown = aac_shutdown,
2046 .err_handler = &aac_pci_err_handler,
2047};
2048
2049static int __init aac_init(void)
2050{
2051 int error;
2052
2053 printk(KERN_INFO "Adaptec %s driver %s\n",
2054 AAC_DRIVERNAME, aac_driver_version);
2055
2056 error = pci_register_driver(&aac_pci_driver);
2057 if (error < 0)
2058 return error;
2059
2060 aac_init_char();
2061
2062
2063 return 0;
2064}
2065
2066static void __exit aac_exit(void)
2067{
2068 if (aac_cfg_major > -1)
2069 unregister_chrdev(aac_cfg_major, "aac");
2070 pci_unregister_driver(&aac_pci_driver);
2071}
2072
2073module_init(aac_init);
2074module_exit(aac_exit);