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Merge branch 'am335x-phy-fixes' into omap-for-v5.0/fixes-v2
[mirror_ubuntu-eoan-kernel.git] / drivers / scsi / aacraid / linit.c
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 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
15 * any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
25 *
26 * Module Name:
27 * linit.c
28 *
29 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
30 */
31
32
33 #include <linux/compat.h>
34 #include <linux/blkdev.h>
35 #include <linux/completion.h>
36 #include <linux/init.h>
37 #include <linux/interrupt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/moduleparam.h>
41 #include <linux/pci.h>
42 #include <linux/aer.h>
43 #include <linux/pci-aspm.h>
44 #include <linux/slab.h>
45 #include <linux/mutex.h>
46 #include <linux/spinlock.h>
47 #include <linux/syscalls.h>
48 #include <linux/delay.h>
49 #include <linux/kthread.h>
50
51 #include <scsi/scsi.h>
52 #include <scsi/scsi_cmnd.h>
53 #include <scsi/scsi_device.h>
54 #include <scsi/scsi_host.h>
55 #include <scsi/scsi_tcq.h>
56 #include <scsi/scsicam.h>
57 #include <scsi/scsi_eh.h>
58
59 #include "aacraid.h"
60
61 #define AAC_DRIVER_VERSION "1.2.1"
62 #ifndef AAC_DRIVER_BRANCH
63 #define AAC_DRIVER_BRANCH ""
64 #endif
65 #define AAC_DRIVERNAME "aacraid"
66
67 #ifdef AAC_DRIVER_BUILD
68 #define _str(x) #x
69 #define str(x) _str(x)
70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
71 #else
72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
73 #endif
74
75 MODULE_AUTHOR("Red Hat Inc and Adaptec");
76 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
77 "Adaptec Advanced Raid Products, "
78 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
79 MODULE_LICENSE("GPL");
80 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
81
82 static DEFINE_MUTEX(aac_mutex);
83 static LIST_HEAD(aac_devices);
84 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
85 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
86
87 /*
88 * Because of the way Linux names scsi devices, the order in this table has
89 * become important. Check for on-board Raid first, add-in cards second.
90 *
91 * Note: The last field is used to index into aac_drivers below.
92 */
93 static const struct pci_device_id aac_pci_tbl[] = {
94 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
95 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
96 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
97 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
98 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
99 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
100 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
101 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
102 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
103 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
104 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
105 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
106 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
107 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
108 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
109 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
110
111 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
112 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
113 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
114 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
115 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
116 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
117 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
118 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
119 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
127 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
128 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
129 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
130 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
131 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
132 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
133 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
134 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
135 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
136 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
137 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
138 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
139 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
141 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
142 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
143 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
144 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
149
150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
155
156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
161 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
162 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
163 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
164 { 0,}
165 };
166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168 /*
169 * dmb - For now we add the number of channels to this structure.
170 * In the future we should add a fib that reports the number of channels
171 * for the card. At that time we can remove the channels from here
172 */
173 static struct aac_driver_ident aac_drivers[] = {
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
189 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
190
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
206 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
207 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
209 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
213 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
227
228 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
233
234 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
235 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
239 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
242 };
243
244 /**
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
248 *
249 * Queues a command for execution by the associated Host Adapter.
250 *
251 * TODO: unify with aac_scsi_cmd().
252 */
253
254 static int aac_queuecommand(struct Scsi_Host *shost,
255 struct scsi_cmnd *cmd)
256 {
257 int r = 0;
258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
260 return r;
261 }
262
263 /**
264 * aac_info - Returns the host adapter name
265 * @shost: Scsi host to report on
266 *
267 * Returns a static string describing the device in question
268 */
269
270 static const char *aac_info(struct Scsi_Host *shost)
271 {
272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273 return aac_drivers[dev->cardtype].name;
274 }
275
276 /**
277 * aac_get_driver_ident
278 * @devtype: index into lookup table
279 *
280 * Returns a pointer to the entry in the driver lookup table.
281 */
282
283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
284 {
285 return &aac_drivers[devtype];
286 }
287
288 /**
289 * aac_biosparm - return BIOS parameters for disk
290 * @sdev: The scsi device corresponding to the disk
291 * @bdev: the block device corresponding to the disk
292 * @capacity: the sector capacity of the disk
293 * @geom: geometry block to fill in
294 *
295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
297 * number of cylinders so as not to exceed drive capacity. In order for
298 * disks equal to or larger than 1 GB to be addressable by the BIOS
299 * without exceeding the BIOS limitation of 1024 cylinders, Extended
300 * Translation should be enabled. With Extended Translation enabled,
301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303 * are given a disk geometry of 255 heads and 63 sectors. However, if
304 * the BIOS detects that the Extended Translation setting does not match
305 * the geometry in the partition table, then the translation inferred
306 * from the partition table will be used by the BIOS, and a warning may
307 * be displayed.
308 */
309
310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311 sector_t capacity, int *geom)
312 {
313 struct diskparm *param = (struct diskparm *)geom;
314 unsigned char *buf;
315
316 dprintk((KERN_DEBUG "aac_biosparm.\n"));
317
318 /*
319 * Assuming extended translation is enabled - #REVISIT#
320 */
321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
323 param->heads = 255;
324 param->sectors = 63;
325 } else {
326 param->heads = 128;
327 param->sectors = 32;
328 }
329 } else {
330 param->heads = 64;
331 param->sectors = 32;
332 }
333
334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335
336 /*
337 * Read the first 1024 bytes from the disk device, if the boot
338 * sector partition table is valid, search for a partition table
339 * entry whose end_head matches one of the standard geometry
340 * translations ( 64/32, 128/32, 255/63 ).
341 */
342 buf = scsi_bios_ptable(bdev);
343 if (!buf)
344 return 0;
345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346 struct partition *first = (struct partition * )buf;
347 struct partition *entry = first;
348 int saved_cylinders = param->cylinders;
349 int num;
350 unsigned char end_head, end_sec;
351
352 for(num = 0; num < 4; num++) {
353 end_head = entry->end_head;
354 end_sec = entry->end_sector & 0x3f;
355
356 if(end_head == 63) {
357 param->heads = 64;
358 param->sectors = 32;
359 break;
360 } else if(end_head == 127) {
361 param->heads = 128;
362 param->sectors = 32;
363 break;
364 } else if(end_head == 254) {
365 param->heads = 255;
366 param->sectors = 63;
367 break;
368 }
369 entry++;
370 }
371
372 if (num == 4) {
373 end_head = first->end_head;
374 end_sec = first->end_sector & 0x3f;
375 }
376
377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378 if (num < 4 && end_sec == param->sectors) {
379 if (param->cylinders != saved_cylinders)
380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381 param->heads, param->sectors, num));
382 } else if (end_head > 0 || end_sec > 0) {
383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384 end_head + 1, end_sec, num));
385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386 param->heads, param->sectors));
387 }
388 }
389 kfree(buf);
390 return 0;
391 }
392
393 /**
394 * aac_slave_configure - compute queue depths
395 * @sdev: SCSI device we are considering
396 *
397 * Selects queue depths for each target device based on the host adapter's
398 * total capacity and the queue depth supported by the target device.
399 * A queue depth of one automatically disables tagged queueing.
400 */
401
402 static int aac_slave_configure(struct scsi_device *sdev)
403 {
404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
405 int chn, tid;
406 unsigned int depth = 0;
407 unsigned int set_timeout = 0;
408 bool set_qd_dev_type = false;
409 u8 devtype = 0;
410
411 chn = aac_logical_to_phys(sdev_channel(sdev));
412 tid = sdev_id(sdev);
413 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
414 devtype = aac->hba_map[chn][tid].devtype;
415
416 if (devtype == AAC_DEVTYPE_NATIVE_RAW)
417 depth = aac->hba_map[chn][tid].qd_limit;
418 else if (devtype == AAC_DEVTYPE_ARC_RAW)
419 set_qd_dev_type = true;
420
421 set_timeout = 1;
422 goto common_config;
423 }
424
425 if (aac->jbod && (sdev->type == TYPE_DISK))
426 sdev->removable = 1;
427
428 if (sdev->type == TYPE_DISK
429 && sdev_channel(sdev) != CONTAINER_CHANNEL
430 && (!aac->jbod || sdev->inq_periph_qual)
431 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
432
433 if (expose_physicals == 0)
434 return -ENXIO;
435
436 if (expose_physicals < 0)
437 sdev->no_uld_attach = 1;
438 }
439
440 if (sdev->tagged_supported
441 && sdev->type == TYPE_DISK
442 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
443 && !sdev->no_uld_attach) {
444
445 struct scsi_device * dev;
446 struct Scsi_Host *host = sdev->host;
447 unsigned num_lsu = 0;
448 unsigned num_one = 0;
449 unsigned cid;
450
451 set_timeout = 1;
452
453 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
454 if (aac->fsa_dev[cid].valid)
455 ++num_lsu;
456
457 __shost_for_each_device(dev, host) {
458 if (dev->tagged_supported
459 && dev->type == TYPE_DISK
460 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
461 && !dev->no_uld_attach) {
462 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
463 || !aac->fsa_dev[sdev_id(dev)].valid) {
464 ++num_lsu;
465 }
466 } else {
467 ++num_one;
468 }
469 }
470
471 if (num_lsu == 0)
472 ++num_lsu;
473
474 depth = (host->can_queue - num_one) / num_lsu;
475
476 if (sdev_channel(sdev) != NATIVE_CHANNEL)
477 goto common_config;
478
479 set_qd_dev_type = true;
480
481 }
482
483 common_config:
484
485 /*
486 * Check if SATA drive
487 */
488 if (set_qd_dev_type) {
489 if (strncmp(sdev->vendor, "ATA", 3) == 0)
490 depth = 32;
491 else
492 depth = 64;
493 }
494
495 /*
496 * Firmware has an individual device recovery time typically
497 * of 35 seconds, give us a margin.
498 */
499 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
500 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
501
502 if (depth > 256)
503 depth = 256;
504 else if (depth < 1)
505 depth = 1;
506
507 scsi_change_queue_depth(sdev, depth);
508
509 sdev->tagged_supported = 1;
510
511 return 0;
512 }
513
514 /**
515 * aac_change_queue_depth - alter queue depths
516 * @sdev: SCSI device we are considering
517 * @depth: desired queue depth
518 *
519 * Alters queue depths for target device based on the host adapter's
520 * total capacity and the queue depth supported by the target device.
521 */
522
523 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
524 {
525 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
526 int chn, tid, is_native_device = 0;
527
528 chn = aac_logical_to_phys(sdev_channel(sdev));
529 tid = sdev_id(sdev);
530 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
531 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
532 is_native_device = 1;
533
534 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
535 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
536 struct scsi_device * dev;
537 struct Scsi_Host *host = sdev->host;
538 unsigned num = 0;
539
540 __shost_for_each_device(dev, host) {
541 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
542 (sdev_channel(dev) == CONTAINER_CHANNEL))
543 ++num;
544 ++num;
545 }
546 if (num >= host->can_queue)
547 num = host->can_queue - 1;
548 if (depth > (host->can_queue - num))
549 depth = host->can_queue - num;
550 if (depth > 256)
551 depth = 256;
552 else if (depth < 2)
553 depth = 2;
554 return scsi_change_queue_depth(sdev, depth);
555 } else if (is_native_device) {
556 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
557 } else {
558 scsi_change_queue_depth(sdev, 1);
559 }
560 return sdev->queue_depth;
561 }
562
563 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
564 {
565 struct scsi_device *sdev = to_scsi_device(dev);
566 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
567 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
568 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
569 ? "Hidden\n" :
570 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
571 return snprintf(buf, PAGE_SIZE, "%s\n",
572 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
573 }
574
575 static struct device_attribute aac_raid_level_attr = {
576 .attr = {
577 .name = "level",
578 .mode = S_IRUGO,
579 },
580 .show = aac_show_raid_level
581 };
582
583 static ssize_t aac_show_unique_id(struct device *dev,
584 struct device_attribute *attr, char *buf)
585 {
586 struct scsi_device *sdev = to_scsi_device(dev);
587 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
588 unsigned char sn[16];
589
590 memset(sn, 0, sizeof(sn));
591
592 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
593 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
594
595 return snprintf(buf, 16 * 2 + 2,
596 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
597 sn[0], sn[1], sn[2], sn[3],
598 sn[4], sn[5], sn[6], sn[7],
599 sn[8], sn[9], sn[10], sn[11],
600 sn[12], sn[13], sn[14], sn[15]);
601 }
602
603 static struct device_attribute aac_unique_id_attr = {
604 .attr = {
605 .name = "unique_id",
606 .mode = 0444,
607 },
608 .show = aac_show_unique_id
609 };
610
611
612
613 static struct device_attribute *aac_dev_attrs[] = {
614 &aac_raid_level_attr,
615 &aac_unique_id_attr,
616 NULL,
617 };
618
619 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
620 {
621 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
622 if (!capable(CAP_SYS_RAWIO))
623 return -EPERM;
624 return aac_do_ioctl(dev, cmd, arg);
625 }
626
627 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
628 {
629
630 unsigned long flags;
631 struct scsi_device *sdev = NULL;
632 struct Scsi_Host *shost = aac->scsi_host_ptr;
633 struct scsi_cmnd *scmnd = NULL;
634 struct device *ctrl_dev;
635
636 int mlcnt = 0;
637 int llcnt = 0;
638 int ehcnt = 0;
639 int fwcnt = 0;
640 int krlcnt = 0;
641
642 __shost_for_each_device(sdev, shost) {
643 spin_lock_irqsave(&sdev->list_lock, flags);
644 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
645 switch (scmnd->SCp.phase) {
646 case AAC_OWNER_FIRMWARE:
647 fwcnt++;
648 break;
649 case AAC_OWNER_ERROR_HANDLER:
650 ehcnt++;
651 break;
652 case AAC_OWNER_LOWLEVEL:
653 llcnt++;
654 break;
655 case AAC_OWNER_MIDLEVEL:
656 mlcnt++;
657 break;
658 default:
659 krlcnt++;
660 break;
661 }
662 }
663 spin_unlock_irqrestore(&sdev->list_lock, flags);
664 }
665
666 ctrl_dev = &aac->pdev->dev;
667
668 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
669 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
670 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
671 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
672 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
673
674 return mlcnt + llcnt + ehcnt + fwcnt;
675 }
676
677 static int aac_eh_abort(struct scsi_cmnd* cmd)
678 {
679 struct scsi_device * dev = cmd->device;
680 struct Scsi_Host * host = dev->host;
681 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
682 int count, found;
683 u32 bus, cid;
684 int ret = FAILED;
685
686 if (aac_adapter_check_health(aac))
687 return ret;
688
689 bus = aac_logical_to_phys(scmd_channel(cmd));
690 cid = scmd_id(cmd);
691 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
692 struct fib *fib;
693 struct aac_hba_tm_req *tmf;
694 int status;
695 u64 address;
696
697 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
698 AAC_DRIVERNAME,
699 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
700
701 found = 0;
702 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
703 fib = &aac->fibs[count];
704 if (*(u8 *)fib->hw_fib_va != 0 &&
705 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
706 (fib->callback_data == cmd)) {
707 found = 1;
708 break;
709 }
710 }
711 if (!found)
712 return ret;
713
714 /* start a HBA_TMF_ABORT_TASK TMF request */
715 fib = aac_fib_alloc(aac);
716 if (!fib)
717 return ret;
718
719 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
720 memset(tmf, 0, sizeof(*tmf));
721 tmf->tmf = HBA_TMF_ABORT_TASK;
722 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
723 tmf->lun[1] = cmd->device->lun;
724
725 address = (u64)fib->hw_error_pa;
726 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
727 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
728 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
729
730 fib->hbacmd_size = sizeof(*tmf);
731 cmd->SCp.sent_command = 0;
732
733 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
734 (fib_callback) aac_hba_callback,
735 (void *) cmd);
736
737 /* Wait up to 15 secs for completion */
738 for (count = 0; count < 15; ++count) {
739 if (cmd->SCp.sent_command) {
740 ret = SUCCESS;
741 break;
742 }
743 msleep(1000);
744 }
745
746 if (ret != SUCCESS)
747 pr_err("%s: Host adapter abort request timed out\n",
748 AAC_DRIVERNAME);
749 } else {
750 pr_err(
751 "%s: Host adapter abort request.\n"
752 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
753 AAC_DRIVERNAME, AAC_DRIVERNAME,
754 host->host_no, sdev_channel(dev), sdev_id(dev),
755 (int)dev->lun);
756 switch (cmd->cmnd[0]) {
757 case SERVICE_ACTION_IN_16:
758 if (!(aac->raw_io_interface) ||
759 !(aac->raw_io_64) ||
760 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
761 break;
762 /* fall through */
763 case INQUIRY:
764 case READ_CAPACITY:
765 /*
766 * Mark associated FIB to not complete,
767 * eh handler does this
768 */
769 for (count = 0;
770 count < (host->can_queue + AAC_NUM_MGT_FIB);
771 ++count) {
772 struct fib *fib = &aac->fibs[count];
773
774 if (fib->hw_fib_va->header.XferState &&
775 (fib->flags & FIB_CONTEXT_FLAG) &&
776 (fib->callback_data == cmd)) {
777 fib->flags |=
778 FIB_CONTEXT_FLAG_TIMED_OUT;
779 cmd->SCp.phase =
780 AAC_OWNER_ERROR_HANDLER;
781 ret = SUCCESS;
782 }
783 }
784 break;
785 case TEST_UNIT_READY:
786 /*
787 * Mark associated FIB to not complete,
788 * eh handler does this
789 */
790 for (count = 0;
791 count < (host->can_queue + AAC_NUM_MGT_FIB);
792 ++count) {
793 struct scsi_cmnd *command;
794 struct fib *fib = &aac->fibs[count];
795
796 command = fib->callback_data;
797
798 if ((fib->hw_fib_va->header.XferState &
799 cpu_to_le32
800 (Async | NoResponseExpected)) &&
801 (fib->flags & FIB_CONTEXT_FLAG) &&
802 ((command)) &&
803 (command->device == cmd->device)) {
804 fib->flags |=
805 FIB_CONTEXT_FLAG_TIMED_OUT;
806 command->SCp.phase =
807 AAC_OWNER_ERROR_HANDLER;
808 if (command == cmd)
809 ret = SUCCESS;
810 }
811 }
812 break;
813 }
814 }
815 return ret;
816 }
817
818 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
819 struct fib *fib, u64 tmf_lun)
820 {
821 struct aac_hba_tm_req *tmf;
822 u64 address;
823
824 /* start a HBA_TMF_LUN_RESET TMF request */
825 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
826 memset(tmf, 0, sizeof(*tmf));
827 tmf->tmf = HBA_TMF_LUN_RESET;
828 tmf->it_nexus = info->rmw_nexus;
829 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
830
831 address = (u64)fib->hw_error_pa;
832 tmf->error_ptr_hi = cpu_to_le32
833 ((u32)(address >> 32));
834 tmf->error_ptr_lo = cpu_to_le32
835 ((u32)(address & 0xffffffff));
836 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
837 fib->hbacmd_size = sizeof(*tmf);
838
839 return HBA_IU_TYPE_SCSI_TM_REQ;
840 }
841
842 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
843 struct fib *fib)
844 {
845 struct aac_hba_reset_req *rst;
846 u64 address;
847
848 /* already tried, start a hard reset now */
849 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
850 memset(rst, 0, sizeof(*rst));
851 rst->it_nexus = info->rmw_nexus;
852
853 address = (u64)fib->hw_error_pa;
854 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
855 rst->error_ptr_lo = cpu_to_le32
856 ((u32)(address & 0xffffffff));
857 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
858 fib->hbacmd_size = sizeof(*rst);
859
860 return HBA_IU_TYPE_SATA_REQ;
861 }
862
863 void aac_tmf_callback(void *context, struct fib *fibptr)
864 {
865 struct aac_hba_resp *err =
866 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
867 struct aac_hba_map_info *info = context;
868 int res;
869
870 switch (err->service_response) {
871 case HBA_RESP_SVCRES_TMF_REJECTED:
872 res = -1;
873 break;
874 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
875 res = 0;
876 break;
877 case HBA_RESP_SVCRES_TMF_COMPLETE:
878 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
879 res = 0;
880 break;
881 default:
882 res = -2;
883 break;
884 }
885 aac_fib_complete(fibptr);
886
887 info->reset_state = res;
888 }
889
890 /*
891 * aac_eh_dev_reset - Device reset command handling
892 * @scsi_cmd: SCSI command block causing the reset
893 *
894 */
895 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
896 {
897 struct scsi_device * dev = cmd->device;
898 struct Scsi_Host * host = dev->host;
899 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
900 struct aac_hba_map_info *info;
901 int count;
902 u32 bus, cid;
903 struct fib *fib;
904 int ret = FAILED;
905 int status;
906 u8 command;
907
908 bus = aac_logical_to_phys(scmd_channel(cmd));
909 cid = scmd_id(cmd);
910
911 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
912 return FAILED;
913
914 info = &aac->hba_map[bus][cid];
915
916 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
917 info->reset_state > 0)
918 return FAILED;
919
920 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
921 AAC_DRIVERNAME);
922
923 fib = aac_fib_alloc(aac);
924 if (!fib)
925 return ret;
926
927 /* start a HBA_TMF_LUN_RESET TMF request */
928 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
929
930 info->reset_state = 1;
931
932 status = aac_hba_send(command, fib,
933 (fib_callback) aac_tmf_callback,
934 (void *) info);
935
936 /* Wait up to 15 seconds for completion */
937 for (count = 0; count < 15; ++count) {
938 if (info->reset_state == 0) {
939 ret = info->reset_state == 0 ? SUCCESS : FAILED;
940 break;
941 }
942 msleep(1000);
943 }
944
945 return ret;
946 }
947
948 /*
949 * aac_eh_target_reset - Target reset command handling
950 * @scsi_cmd: SCSI command block causing the reset
951 *
952 */
953 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
954 {
955 struct scsi_device * dev = cmd->device;
956 struct Scsi_Host * host = dev->host;
957 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
958 struct aac_hba_map_info *info;
959 int count;
960 u32 bus, cid;
961 int ret = FAILED;
962 struct fib *fib;
963 int status;
964 u8 command;
965
966 bus = aac_logical_to_phys(scmd_channel(cmd));
967 cid = scmd_id(cmd);
968
969 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
970 return FAILED;
971
972 info = &aac->hba_map[bus][cid];
973
974 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
975 info->reset_state > 0)
976 return FAILED;
977
978 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
979 AAC_DRIVERNAME);
980
981 fib = aac_fib_alloc(aac);
982 if (!fib)
983 return ret;
984
985
986 /* already tried, start a hard reset now */
987 command = aac_eh_tmf_hard_reset_fib(info, fib);
988
989 info->reset_state = 2;
990
991 status = aac_hba_send(command, fib,
992 (fib_callback) aac_tmf_callback,
993 (void *) info);
994
995 /* Wait up to 15 seconds for completion */
996 for (count = 0; count < 15; ++count) {
997 if (info->reset_state <= 0) {
998 ret = info->reset_state == 0 ? SUCCESS : FAILED;
999 break;
1000 }
1001 msleep(1000);
1002 }
1003
1004 return ret;
1005 }
1006
1007 /*
1008 * aac_eh_bus_reset - Bus reset command handling
1009 * @scsi_cmd: SCSI command block causing the reset
1010 *
1011 */
1012 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1013 {
1014 struct scsi_device * dev = cmd->device;
1015 struct Scsi_Host * host = dev->host;
1016 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1017 int count;
1018 u32 cmd_bus;
1019 int status = 0;
1020
1021
1022 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1023 /* Mark the assoc. FIB to not complete, eh handler does this */
1024 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1025 struct fib *fib = &aac->fibs[count];
1026
1027 if (fib->hw_fib_va->header.XferState &&
1028 (fib->flags & FIB_CONTEXT_FLAG) &&
1029 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1030 struct aac_hba_map_info *info;
1031 u32 bus, cid;
1032
1033 cmd = (struct scsi_cmnd *)fib->callback_data;
1034 bus = aac_logical_to_phys(scmd_channel(cmd));
1035 if (bus != cmd_bus)
1036 continue;
1037 cid = scmd_id(cmd);
1038 info = &aac->hba_map[bus][cid];
1039 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1040 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1041 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1042 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1043 }
1044 }
1045 }
1046
1047 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1048
1049 /*
1050 * Check the health of the controller
1051 */
1052 status = aac_adapter_check_health(aac);
1053 if (status)
1054 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1055
1056 count = get_num_of_incomplete_fibs(aac);
1057 return (count == 0) ? SUCCESS : FAILED;
1058 }
1059
1060 /*
1061 * aac_eh_host_reset - Host reset command handling
1062 * @scsi_cmd: SCSI command block causing the reset
1063 *
1064 */
1065 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1066 {
1067 struct scsi_device * dev = cmd->device;
1068 struct Scsi_Host * host = dev->host;
1069 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1070 int ret = FAILED;
1071 __le32 supported_options2 = 0;
1072 bool is_mu_reset;
1073 bool is_ignore_reset;
1074 bool is_doorbell_reset;
1075
1076 /*
1077 * Check if reset is supported by the firmware
1078 */
1079 supported_options2 = aac->supplement_adapter_info.supported_options2;
1080 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1081 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1082 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1083 /*
1084 * This adapter needs a blind reset, only do so for
1085 * Adapters that support a register, instead of a commanded,
1086 * reset.
1087 */
1088 if ((is_mu_reset || is_doorbell_reset)
1089 && aac_check_reset
1090 && (aac_check_reset != -1 || !is_ignore_reset)) {
1091 /* Bypass wait for command quiesce */
1092 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1093 ret = SUCCESS;
1094 }
1095 /*
1096 * Reset EH state
1097 */
1098 if (ret == SUCCESS) {
1099 int bus, cid;
1100 struct aac_hba_map_info *info;
1101
1102 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1103 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1104 info = &aac->hba_map[bus][cid];
1105 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1106 info->reset_state = 0;
1107 }
1108 }
1109 }
1110 return ret;
1111 }
1112
1113 /**
1114 * aac_cfg_open - open a configuration file
1115 * @inode: inode being opened
1116 * @file: file handle attached
1117 *
1118 * Called when the configuration device is opened. Does the needed
1119 * set up on the handle and then returns
1120 *
1121 * Bugs: This needs extending to check a given adapter is present
1122 * so we can support hot plugging, and to ref count adapters.
1123 */
1124
1125 static int aac_cfg_open(struct inode *inode, struct file *file)
1126 {
1127 struct aac_dev *aac;
1128 unsigned minor_number = iminor(inode);
1129 int err = -ENODEV;
1130
1131 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1132 list_for_each_entry(aac, &aac_devices, entry) {
1133 if (aac->id == minor_number) {
1134 file->private_data = aac;
1135 err = 0;
1136 break;
1137 }
1138 }
1139 mutex_unlock(&aac_mutex);
1140
1141 return err;
1142 }
1143
1144 /**
1145 * aac_cfg_ioctl - AAC configuration request
1146 * @inode: inode of device
1147 * @file: file handle
1148 * @cmd: ioctl command code
1149 * @arg: argument
1150 *
1151 * Handles a configuration ioctl. Currently this involves wrapping it
1152 * up and feeding it into the nasty windowsalike glue layer.
1153 *
1154 * Bugs: Needs locking against parallel ioctls lower down
1155 * Bugs: Needs to handle hot plugging
1156 */
1157
1158 static long aac_cfg_ioctl(struct file *file,
1159 unsigned int cmd, unsigned long arg)
1160 {
1161 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1162
1163 if (!capable(CAP_SYS_RAWIO))
1164 return -EPERM;
1165
1166 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1167 }
1168
1169 #ifdef CONFIG_COMPAT
1170 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1171 {
1172 long ret;
1173 switch (cmd) {
1174 case FSACTL_MINIPORT_REV_CHECK:
1175 case FSACTL_SENDFIB:
1176 case FSACTL_OPEN_GET_ADAPTER_FIB:
1177 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1178 case FSACTL_SEND_RAW_SRB:
1179 case FSACTL_GET_PCI_INFO:
1180 case FSACTL_QUERY_DISK:
1181 case FSACTL_DELETE_DISK:
1182 case FSACTL_FORCE_DELETE_DISK:
1183 case FSACTL_GET_CONTAINERS:
1184 case FSACTL_SEND_LARGE_FIB:
1185 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1186 break;
1187
1188 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1189 struct fib_ioctl __user *f;
1190
1191 f = compat_alloc_user_space(sizeof(*f));
1192 ret = 0;
1193 if (clear_user(f, sizeof(*f)))
1194 ret = -EFAULT;
1195 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1196 ret = -EFAULT;
1197 if (!ret)
1198 ret = aac_do_ioctl(dev, cmd, f);
1199 break;
1200 }
1201
1202 default:
1203 ret = -ENOIOCTLCMD;
1204 break;
1205 }
1206 return ret;
1207 }
1208
1209 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1210 {
1211 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1212 if (!capable(CAP_SYS_RAWIO))
1213 return -EPERM;
1214 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1215 }
1216
1217 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1218 {
1219 if (!capable(CAP_SYS_RAWIO))
1220 return -EPERM;
1221 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1222 }
1223 #endif
1224
1225 static ssize_t aac_show_model(struct device *device,
1226 struct device_attribute *attr, char *buf)
1227 {
1228 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1229 int len;
1230
1231 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1232 char *cp = dev->supplement_adapter_info.adapter_type_text;
1233 while (*cp && *cp != ' ')
1234 ++cp;
1235 while (*cp == ' ')
1236 ++cp;
1237 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1238 } else
1239 len = snprintf(buf, PAGE_SIZE, "%s\n",
1240 aac_drivers[dev->cardtype].model);
1241 return len;
1242 }
1243
1244 static ssize_t aac_show_vendor(struct device *device,
1245 struct device_attribute *attr, char *buf)
1246 {
1247 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1248 struct aac_supplement_adapter_info *sup_adap_info;
1249 int len;
1250
1251 sup_adap_info = &dev->supplement_adapter_info;
1252 if (sup_adap_info->adapter_type_text[0]) {
1253 char *cp = sup_adap_info->adapter_type_text;
1254 while (*cp && *cp != ' ')
1255 ++cp;
1256 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1257 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1258 sup_adap_info->adapter_type_text);
1259 } else
1260 len = snprintf(buf, PAGE_SIZE, "%s\n",
1261 aac_drivers[dev->cardtype].vname);
1262 return len;
1263 }
1264
1265 static ssize_t aac_show_flags(struct device *cdev,
1266 struct device_attribute *attr, char *buf)
1267 {
1268 int len = 0;
1269 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1270
1271 if (nblank(dprintk(x)))
1272 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1273 #ifdef AAC_DETAILED_STATUS_INFO
1274 len += snprintf(buf + len, PAGE_SIZE - len,
1275 "AAC_DETAILED_STATUS_INFO\n");
1276 #endif
1277 if (dev->raw_io_interface && dev->raw_io_64)
1278 len += snprintf(buf + len, PAGE_SIZE - len,
1279 "SAI_READ_CAPACITY_16\n");
1280 if (dev->jbod)
1281 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1282 if (dev->supplement_adapter_info.supported_options2 &
1283 AAC_OPTION_POWER_MANAGEMENT)
1284 len += snprintf(buf + len, PAGE_SIZE - len,
1285 "SUPPORTED_POWER_MANAGEMENT\n");
1286 if (dev->msi)
1287 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1288 return len;
1289 }
1290
1291 static ssize_t aac_show_kernel_version(struct device *device,
1292 struct device_attribute *attr,
1293 char *buf)
1294 {
1295 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1296 int len, tmp;
1297
1298 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1299 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1300 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1301 le32_to_cpu(dev->adapter_info.kernelbuild));
1302 return len;
1303 }
1304
1305 static ssize_t aac_show_monitor_version(struct device *device,
1306 struct device_attribute *attr,
1307 char *buf)
1308 {
1309 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1310 int len, tmp;
1311
1312 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1313 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1314 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1315 le32_to_cpu(dev->adapter_info.monitorbuild));
1316 return len;
1317 }
1318
1319 static ssize_t aac_show_bios_version(struct device *device,
1320 struct device_attribute *attr,
1321 char *buf)
1322 {
1323 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1324 int len, tmp;
1325
1326 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1327 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1328 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1329 le32_to_cpu(dev->adapter_info.biosbuild));
1330 return len;
1331 }
1332
1333 static ssize_t aac_show_driver_version(struct device *device,
1334 struct device_attribute *attr,
1335 char *buf)
1336 {
1337 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1338 }
1339
1340 static ssize_t aac_show_serial_number(struct device *device,
1341 struct device_attribute *attr, char *buf)
1342 {
1343 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1344 int len = 0;
1345
1346 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1347 len = snprintf(buf, 16, "%06X\n",
1348 le32_to_cpu(dev->adapter_info.serial[0]));
1349 if (len &&
1350 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1351 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1352 buf, len-1))
1353 len = snprintf(buf, 16, "%.*s\n",
1354 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1355 dev->supplement_adapter_info.mfg_pcba_serial_no);
1356
1357 return min(len, 16);
1358 }
1359
1360 static ssize_t aac_show_max_channel(struct device *device,
1361 struct device_attribute *attr, char *buf)
1362 {
1363 return snprintf(buf, PAGE_SIZE, "%d\n",
1364 class_to_shost(device)->max_channel);
1365 }
1366
1367 static ssize_t aac_show_max_id(struct device *device,
1368 struct device_attribute *attr, char *buf)
1369 {
1370 return snprintf(buf, PAGE_SIZE, "%d\n",
1371 class_to_shost(device)->max_id);
1372 }
1373
1374 static ssize_t aac_store_reset_adapter(struct device *device,
1375 struct device_attribute *attr,
1376 const char *buf, size_t count)
1377 {
1378 int retval = -EACCES;
1379
1380 if (!capable(CAP_SYS_ADMIN))
1381 return retval;
1382
1383 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1384 buf[0] == '!', IOP_HWSOFT_RESET);
1385 if (retval >= 0)
1386 retval = count;
1387
1388 return retval;
1389 }
1390
1391 static ssize_t aac_show_reset_adapter(struct device *device,
1392 struct device_attribute *attr,
1393 char *buf)
1394 {
1395 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1396 int len, tmp;
1397
1398 tmp = aac_adapter_check_health(dev);
1399 if ((tmp == 0) && dev->in_reset)
1400 tmp = -EBUSY;
1401 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1402 return len;
1403 }
1404
1405 static struct device_attribute aac_model = {
1406 .attr = {
1407 .name = "model",
1408 .mode = S_IRUGO,
1409 },
1410 .show = aac_show_model,
1411 };
1412 static struct device_attribute aac_vendor = {
1413 .attr = {
1414 .name = "vendor",
1415 .mode = S_IRUGO,
1416 },
1417 .show = aac_show_vendor,
1418 };
1419 static struct device_attribute aac_flags = {
1420 .attr = {
1421 .name = "flags",
1422 .mode = S_IRUGO,
1423 },
1424 .show = aac_show_flags,
1425 };
1426 static struct device_attribute aac_kernel_version = {
1427 .attr = {
1428 .name = "hba_kernel_version",
1429 .mode = S_IRUGO,
1430 },
1431 .show = aac_show_kernel_version,
1432 };
1433 static struct device_attribute aac_monitor_version = {
1434 .attr = {
1435 .name = "hba_monitor_version",
1436 .mode = S_IRUGO,
1437 },
1438 .show = aac_show_monitor_version,
1439 };
1440 static struct device_attribute aac_bios_version = {
1441 .attr = {
1442 .name = "hba_bios_version",
1443 .mode = S_IRUGO,
1444 },
1445 .show = aac_show_bios_version,
1446 };
1447 static struct device_attribute aac_lld_version = {
1448 .attr = {
1449 .name = "driver_version",
1450 .mode = 0444,
1451 },
1452 .show = aac_show_driver_version,
1453 };
1454 static struct device_attribute aac_serial_number = {
1455 .attr = {
1456 .name = "serial_number",
1457 .mode = S_IRUGO,
1458 },
1459 .show = aac_show_serial_number,
1460 };
1461 static struct device_attribute aac_max_channel = {
1462 .attr = {
1463 .name = "max_channel",
1464 .mode = S_IRUGO,
1465 },
1466 .show = aac_show_max_channel,
1467 };
1468 static struct device_attribute aac_max_id = {
1469 .attr = {
1470 .name = "max_id",
1471 .mode = S_IRUGO,
1472 },
1473 .show = aac_show_max_id,
1474 };
1475 static struct device_attribute aac_reset = {
1476 .attr = {
1477 .name = "reset_host",
1478 .mode = S_IWUSR|S_IRUGO,
1479 },
1480 .store = aac_store_reset_adapter,
1481 .show = aac_show_reset_adapter,
1482 };
1483
1484 static struct device_attribute *aac_attrs[] = {
1485 &aac_model,
1486 &aac_vendor,
1487 &aac_flags,
1488 &aac_kernel_version,
1489 &aac_monitor_version,
1490 &aac_bios_version,
1491 &aac_lld_version,
1492 &aac_serial_number,
1493 &aac_max_channel,
1494 &aac_max_id,
1495 &aac_reset,
1496 NULL
1497 };
1498
1499 ssize_t aac_get_serial_number(struct device *device, char *buf)
1500 {
1501 return aac_show_serial_number(device, &aac_serial_number, buf);
1502 }
1503
1504 static const struct file_operations aac_cfg_fops = {
1505 .owner = THIS_MODULE,
1506 .unlocked_ioctl = aac_cfg_ioctl,
1507 #ifdef CONFIG_COMPAT
1508 .compat_ioctl = aac_compat_cfg_ioctl,
1509 #endif
1510 .open = aac_cfg_open,
1511 .llseek = noop_llseek,
1512 };
1513
1514 static struct scsi_host_template aac_driver_template = {
1515 .module = THIS_MODULE,
1516 .name = "AAC",
1517 .proc_name = AAC_DRIVERNAME,
1518 .info = aac_info,
1519 .ioctl = aac_ioctl,
1520 #ifdef CONFIG_COMPAT
1521 .compat_ioctl = aac_compat_ioctl,
1522 #endif
1523 .queuecommand = aac_queuecommand,
1524 .bios_param = aac_biosparm,
1525 .shost_attrs = aac_attrs,
1526 .slave_configure = aac_slave_configure,
1527 .change_queue_depth = aac_change_queue_depth,
1528 .sdev_attrs = aac_dev_attrs,
1529 .eh_abort_handler = aac_eh_abort,
1530 .eh_device_reset_handler = aac_eh_dev_reset,
1531 .eh_target_reset_handler = aac_eh_target_reset,
1532 .eh_bus_reset_handler = aac_eh_bus_reset,
1533 .eh_host_reset_handler = aac_eh_host_reset,
1534 .can_queue = AAC_NUM_IO_FIB,
1535 .this_id = MAXIMUM_NUM_CONTAINERS,
1536 .sg_tablesize = 16,
1537 .max_sectors = 128,
1538 #if (AAC_NUM_IO_FIB > 256)
1539 .cmd_per_lun = 256,
1540 #else
1541 .cmd_per_lun = AAC_NUM_IO_FIB,
1542 #endif
1543 .emulated = 1,
1544 .no_write_same = 1,
1545 };
1546
1547 static void __aac_shutdown(struct aac_dev * aac)
1548 {
1549 int i;
1550
1551 mutex_lock(&aac->ioctl_mutex);
1552 aac->adapter_shutdown = 1;
1553 mutex_unlock(&aac->ioctl_mutex);
1554
1555 if (aac->aif_thread) {
1556 int i;
1557 /* Clear out events first */
1558 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1559 struct fib *fib = &aac->fibs[i];
1560 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1561 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1562 complete(&fib->event_wait);
1563 }
1564 kthread_stop(aac->thread);
1565 aac->thread = NULL;
1566 }
1567
1568 aac_send_shutdown(aac);
1569
1570 aac_adapter_disable_int(aac);
1571
1572 if (aac_is_src(aac)) {
1573 if (aac->max_msix > 1) {
1574 for (i = 0; i < aac->max_msix; i++) {
1575 free_irq(pci_irq_vector(aac->pdev, i),
1576 &(aac->aac_msix[i]));
1577 }
1578 } else {
1579 free_irq(aac->pdev->irq,
1580 &(aac->aac_msix[0]));
1581 }
1582 } else {
1583 free_irq(aac->pdev->irq, aac);
1584 }
1585 if (aac->msi)
1586 pci_disable_msi(aac->pdev);
1587 else if (aac->max_msix > 1)
1588 pci_disable_msix(aac->pdev);
1589 }
1590 static void aac_init_char(void)
1591 {
1592 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1593 if (aac_cfg_major < 0) {
1594 pr_err("aacraid: unable to register \"aac\" device.\n");
1595 }
1596 }
1597
1598 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1599 {
1600 unsigned index = id->driver_data;
1601 struct Scsi_Host *shost;
1602 struct aac_dev *aac;
1603 struct list_head *insert = &aac_devices;
1604 int error = -ENODEV;
1605 int unique_id = 0;
1606 u64 dmamask;
1607 int mask_bits = 0;
1608 extern int aac_sync_mode;
1609
1610 /*
1611 * Only series 7 needs freset.
1612 */
1613 if (pdev->device == PMC_DEVICE_S7)
1614 pdev->needs_freset = 1;
1615
1616 list_for_each_entry(aac, &aac_devices, entry) {
1617 if (aac->id > unique_id)
1618 break;
1619 insert = &aac->entry;
1620 unique_id++;
1621 }
1622
1623 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1624 PCIE_LINK_STATE_CLKPM);
1625
1626 error = pci_enable_device(pdev);
1627 if (error)
1628 goto out;
1629 error = -ENODEV;
1630
1631 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1632 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1633 if (error) {
1634 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1635 goto out_disable_pdev;
1636 }
1637 }
1638
1639 /*
1640 * If the quirk31 bit is set, the adapter needs adapter
1641 * to driver communication memory to be allocated below 2gig
1642 */
1643 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1644 dmamask = DMA_BIT_MASK(31);
1645 mask_bits = 31;
1646 } else {
1647 dmamask = DMA_BIT_MASK(32);
1648 mask_bits = 32;
1649 }
1650
1651 error = pci_set_consistent_dma_mask(pdev, dmamask);
1652 if (error) {
1653 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1654 , mask_bits);
1655 goto out_disable_pdev;
1656 }
1657
1658 pci_set_master(pdev);
1659
1660 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1661 if (!shost)
1662 goto out_disable_pdev;
1663
1664 shost->irq = pdev->irq;
1665 shost->unique_id = unique_id;
1666 shost->max_cmd_len = 16;
1667 shost->use_cmd_list = 1;
1668
1669 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1670 aac_init_char();
1671
1672 aac = (struct aac_dev *)shost->hostdata;
1673 aac->base_start = pci_resource_start(pdev, 0);
1674 aac->scsi_host_ptr = shost;
1675 aac->pdev = pdev;
1676 aac->name = aac_driver_template.name;
1677 aac->id = shost->unique_id;
1678 aac->cardtype = index;
1679 INIT_LIST_HEAD(&aac->entry);
1680
1681 if (aac_reset_devices || reset_devices)
1682 aac->init_reset = true;
1683
1684 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1685 sizeof(struct fib),
1686 GFP_KERNEL);
1687 if (!aac->fibs)
1688 goto out_free_host;
1689 spin_lock_init(&aac->fib_lock);
1690
1691 mutex_init(&aac->ioctl_mutex);
1692 mutex_init(&aac->scan_mutex);
1693
1694 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1695 /*
1696 * Map in the registers from the adapter.
1697 */
1698 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1699 if ((*aac_drivers[index].init)(aac)) {
1700 error = -ENODEV;
1701 goto out_unmap;
1702 }
1703
1704 if (aac->sync_mode) {
1705 if (aac_sync_mode)
1706 printk(KERN_INFO "%s%d: Sync. mode enforced "
1707 "by driver parameter. This will cause "
1708 "a significant performance decrease!\n",
1709 aac->name,
1710 aac->id);
1711 else
1712 printk(KERN_INFO "%s%d: Async. mode not supported "
1713 "by current driver, sync. mode enforced."
1714 "\nPlease update driver to get full performance.\n",
1715 aac->name,
1716 aac->id);
1717 }
1718
1719 /*
1720 * Start any kernel threads needed
1721 */
1722 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1723 if (IS_ERR(aac->thread)) {
1724 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1725 error = PTR_ERR(aac->thread);
1726 aac->thread = NULL;
1727 goto out_deinit;
1728 }
1729
1730 aac->maximum_num_channels = aac_drivers[index].channels;
1731 error = aac_get_adapter_info(aac);
1732 if (error < 0)
1733 goto out_deinit;
1734
1735 /*
1736 * Lets override negotiations and drop the maximum SG limit to 34
1737 */
1738 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1739 (shost->sg_tablesize > 34)) {
1740 shost->sg_tablesize = 34;
1741 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1742 }
1743
1744 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1745 (shost->sg_tablesize > 17)) {
1746 shost->sg_tablesize = 17;
1747 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1748 }
1749
1750 error = dma_set_max_seg_size(&pdev->dev,
1751 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1752 (shost->max_sectors << 9) : 65536);
1753 if (error)
1754 goto out_deinit;
1755
1756 /*
1757 * Firmware printf works only with older firmware.
1758 */
1759 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1760 aac->printf_enabled = 1;
1761 else
1762 aac->printf_enabled = 0;
1763
1764 /*
1765 * max channel will be the physical channels plus 1 virtual channel
1766 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1767 * physical channels are address by their actual physical number+1
1768 */
1769 if (aac->nondasd_support || expose_physicals || aac->jbod)
1770 shost->max_channel = aac->maximum_num_channels;
1771 else
1772 shost->max_channel = 0;
1773
1774 aac_get_config_status(aac, 0);
1775 aac_get_containers(aac);
1776 list_add(&aac->entry, insert);
1777
1778 shost->max_id = aac->maximum_num_containers;
1779 if (shost->max_id < aac->maximum_num_physicals)
1780 shost->max_id = aac->maximum_num_physicals;
1781 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1782 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1783 else
1784 shost->this_id = shost->max_id;
1785
1786 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1787 aac_intr_normal(aac, 0, 2, 0, NULL);
1788
1789 /*
1790 * dmb - we may need to move the setting of these parms somewhere else once
1791 * we get a fib that can report the actual numbers
1792 */
1793 shost->max_lun = AAC_MAX_LUN;
1794
1795 pci_set_drvdata(pdev, shost);
1796
1797 error = scsi_add_host(shost, &pdev->dev);
1798 if (error)
1799 goto out_deinit;
1800
1801 aac_scan_host(aac);
1802
1803 pci_enable_pcie_error_reporting(pdev);
1804 pci_save_state(pdev);
1805
1806 return 0;
1807
1808 out_deinit:
1809 __aac_shutdown(aac);
1810 out_unmap:
1811 aac_fib_map_free(aac);
1812 if (aac->comm_addr)
1813 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1814 aac->comm_addr, aac->comm_phys);
1815 kfree(aac->queues);
1816 aac_adapter_ioremap(aac, 0);
1817 kfree(aac->fibs);
1818 kfree(aac->fsa_dev);
1819 out_free_host:
1820 scsi_host_put(shost);
1821 out_disable_pdev:
1822 pci_disable_device(pdev);
1823 out:
1824 return error;
1825 }
1826
1827 static void aac_release_resources(struct aac_dev *aac)
1828 {
1829 aac_adapter_disable_int(aac);
1830 aac_free_irq(aac);
1831 }
1832
1833 static int aac_acquire_resources(struct aac_dev *dev)
1834 {
1835 unsigned long status;
1836 /*
1837 * First clear out all interrupts. Then enable the one's that we
1838 * can handle.
1839 */
1840 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1841 || status == 0xffffffff)
1842 msleep(20);
1843
1844 aac_adapter_disable_int(dev);
1845 aac_adapter_enable_int(dev);
1846
1847
1848 if (aac_is_src(dev))
1849 aac_define_int_mode(dev);
1850
1851 if (dev->msi_enabled)
1852 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1853
1854 if (aac_acquire_irq(dev))
1855 goto error_iounmap;
1856
1857 aac_adapter_enable_int(dev);
1858
1859 /*max msix may change after EEH
1860 * Re-assign vectors to fibs
1861 */
1862 aac_fib_vector_assign(dev);
1863
1864 if (!dev->sync_mode) {
1865 /* After EEH recovery or suspend resume, max_msix count
1866 * may change, therefore updating in init as well.
1867 */
1868 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1869 aac_adapter_start(dev);
1870 }
1871 return 0;
1872
1873 error_iounmap:
1874 return -1;
1875
1876 }
1877
1878 #if (defined(CONFIG_PM))
1879 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1880 {
1881
1882 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1883 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1884
1885 scsi_block_requests(shost);
1886 aac_cancel_safw_rescan_worker(aac);
1887 aac_send_shutdown(aac);
1888
1889 aac_release_resources(aac);
1890
1891 pci_set_drvdata(pdev, shost);
1892 pci_save_state(pdev);
1893 pci_disable_device(pdev);
1894 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1895
1896 return 0;
1897 }
1898
1899 static int aac_resume(struct pci_dev *pdev)
1900 {
1901 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1902 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1903 int r;
1904
1905 pci_set_power_state(pdev, PCI_D0);
1906 pci_enable_wake(pdev, PCI_D0, 0);
1907 pci_restore_state(pdev);
1908 r = pci_enable_device(pdev);
1909
1910 if (r)
1911 goto fail_device;
1912
1913 pci_set_master(pdev);
1914 if (aac_acquire_resources(aac))
1915 goto fail_device;
1916 /*
1917 * reset this flag to unblock ioctl() as it was set at
1918 * aac_send_shutdown() to block ioctls from upperlayer
1919 */
1920 aac->adapter_shutdown = 0;
1921 scsi_unblock_requests(shost);
1922
1923 return 0;
1924
1925 fail_device:
1926 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1927 scsi_host_put(shost);
1928 pci_disable_device(pdev);
1929 return -ENODEV;
1930 }
1931 #endif
1932
1933 static void aac_shutdown(struct pci_dev *dev)
1934 {
1935 struct Scsi_Host *shost = pci_get_drvdata(dev);
1936 scsi_block_requests(shost);
1937 __aac_shutdown((struct aac_dev *)shost->hostdata);
1938 }
1939
1940 static void aac_remove_one(struct pci_dev *pdev)
1941 {
1942 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1943 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1944
1945 aac_cancel_safw_rescan_worker(aac);
1946 scsi_remove_host(shost);
1947
1948 __aac_shutdown(aac);
1949 aac_fib_map_free(aac);
1950 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1951 aac->comm_phys);
1952 kfree(aac->queues);
1953
1954 aac_adapter_ioremap(aac, 0);
1955
1956 kfree(aac->fibs);
1957 kfree(aac->fsa_dev);
1958
1959 list_del(&aac->entry);
1960 scsi_host_put(shost);
1961 pci_disable_device(pdev);
1962 if (list_empty(&aac_devices)) {
1963 unregister_chrdev(aac_cfg_major, "aac");
1964 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1965 }
1966 }
1967
1968 static void aac_flush_ios(struct aac_dev *aac)
1969 {
1970 int i;
1971 struct scsi_cmnd *cmd;
1972
1973 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1974 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1975 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1976 scsi_dma_unmap(cmd);
1977
1978 if (aac->handle_pci_error)
1979 cmd->result = DID_NO_CONNECT << 16;
1980 else
1981 cmd->result = DID_RESET << 16;
1982
1983 cmd->scsi_done(cmd);
1984 }
1985 }
1986 }
1987
1988 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1989 enum pci_channel_state error)
1990 {
1991 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1992 struct aac_dev *aac = shost_priv(shost);
1993
1994 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1995
1996 switch (error) {
1997 case pci_channel_io_normal:
1998 return PCI_ERS_RESULT_CAN_RECOVER;
1999 case pci_channel_io_frozen:
2000 aac->handle_pci_error = 1;
2001
2002 scsi_block_requests(aac->scsi_host_ptr);
2003 aac_cancel_safw_rescan_worker(aac);
2004 aac_flush_ios(aac);
2005 aac_release_resources(aac);
2006
2007 pci_disable_pcie_error_reporting(pdev);
2008 aac_adapter_ioremap(aac, 0);
2009
2010 return PCI_ERS_RESULT_NEED_RESET;
2011 case pci_channel_io_perm_failure:
2012 aac->handle_pci_error = 1;
2013
2014 aac_flush_ios(aac);
2015 return PCI_ERS_RESULT_DISCONNECT;
2016 }
2017
2018 return PCI_ERS_RESULT_NEED_RESET;
2019 }
2020
2021 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2022 {
2023 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2024 return PCI_ERS_RESULT_NEED_RESET;
2025 }
2026
2027 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2028 {
2029 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2030 pci_restore_state(pdev);
2031 if (pci_enable_device(pdev)) {
2032 dev_warn(&pdev->dev,
2033 "aacraid: failed to enable slave\n");
2034 goto fail_device;
2035 }
2036
2037 pci_set_master(pdev);
2038
2039 if (pci_enable_device_mem(pdev)) {
2040 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2041 goto fail_device;
2042 }
2043
2044 return PCI_ERS_RESULT_RECOVERED;
2045
2046 fail_device:
2047 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2048 return PCI_ERS_RESULT_DISCONNECT;
2049 }
2050
2051
2052 static void aac_pci_resume(struct pci_dev *pdev)
2053 {
2054 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2055 struct scsi_device *sdev = NULL;
2056 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2057
2058 if (aac_adapter_ioremap(aac, aac->base_size)) {
2059
2060 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2061 /* remap failed, go back ... */
2062 aac->comm_interface = AAC_COMM_PRODUCER;
2063 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2064 dev_warn(&pdev->dev,
2065 "aacraid: unable to map adapter.\n");
2066
2067 return;
2068 }
2069 }
2070
2071 msleep(10000);
2072
2073 aac_acquire_resources(aac);
2074
2075 /*
2076 * reset this flag to unblock ioctl() as it was set
2077 * at aac_send_shutdown() to block ioctls from upperlayer
2078 */
2079 aac->adapter_shutdown = 0;
2080 aac->handle_pci_error = 0;
2081
2082 shost_for_each_device(sdev, shost)
2083 if (sdev->sdev_state == SDEV_OFFLINE)
2084 sdev->sdev_state = SDEV_RUNNING;
2085 scsi_unblock_requests(aac->scsi_host_ptr);
2086 aac_scan_host(aac);
2087 pci_save_state(pdev);
2088
2089 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2090 }
2091
2092 static struct pci_error_handlers aac_pci_err_handler = {
2093 .error_detected = aac_pci_error_detected,
2094 .mmio_enabled = aac_pci_mmio_enabled,
2095 .slot_reset = aac_pci_slot_reset,
2096 .resume = aac_pci_resume,
2097 };
2098
2099 static struct pci_driver aac_pci_driver = {
2100 .name = AAC_DRIVERNAME,
2101 .id_table = aac_pci_tbl,
2102 .probe = aac_probe_one,
2103 .remove = aac_remove_one,
2104 #if (defined(CONFIG_PM))
2105 .suspend = aac_suspend,
2106 .resume = aac_resume,
2107 #endif
2108 .shutdown = aac_shutdown,
2109 .err_handler = &aac_pci_err_handler,
2110 };
2111
2112 static int __init aac_init(void)
2113 {
2114 int error;
2115
2116 printk(KERN_INFO "Adaptec %s driver %s\n",
2117 AAC_DRIVERNAME, aac_driver_version);
2118
2119 error = pci_register_driver(&aac_pci_driver);
2120 if (error < 0)
2121 return error;
2122
2123 aac_init_char();
2124
2125
2126 return 0;
2127 }
2128
2129 static void __exit aac_exit(void)
2130 {
2131 if (aac_cfg_major > -1)
2132 unregister_chrdev(aac_cfg_major, "aac");
2133 pci_unregister_driver(&aac_pci_driver);
2134 }
2135
2136 module_init(aac_init);
2137 module_exit(aac_exit);
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