?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
perf intel-pt: Factor out intel_pt_8b_tsc()
[linux/fpc-iii.git] / drivers / scsi / aacraid / linit.c
blob644f7f5c61a224439d1217cb3c7625f17b389cff
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/aer.h>
30 #include <linux/pci-aspm.h>
31 #include <linux/slab.h>
32 #include <linux/mutex.h>
33 #include <linux/spinlock.h>
34 #include <linux/syscalls.h>
35 #include <linux/delay.h>
36 #include <linux/kthread.h>
37
38 #include <scsi/scsi.h>
39 #include <scsi/scsi_cmnd.h>
40 #include <scsi/scsi_device.h>
41 #include <scsi/scsi_host.h>
42 #include <scsi/scsi_tcq.h>
43 #include <scsi/scsicam.h>
44 #include <scsi/scsi_eh.h>
45
46 #include "aacraid.h"
47
48 #define AAC_DRIVER_VERSION "1.2.1"
49 #ifndef AAC_DRIVER_BRANCH
50 #define AAC_DRIVER_BRANCH ""
51 #endif
52 #define AAC_DRIVERNAME "aacraid"
53
54 #ifdef AAC_DRIVER_BUILD
55 #define _str(x) #x
56 #define str(x) _str(x)
57 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
58 #else
59 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
60 #endif
61
62 MODULE_AUTHOR("Red Hat Inc and Adaptec");
63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
64 "Adaptec Advanced Raid Products, "
65 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
68
69 static DEFINE_MUTEX(aac_mutex);
70 static LIST_HEAD(aac_devices);
71 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
72 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
73
74 /*
75 * Because of the way Linux names scsi devices, the order in this table has
76 * become important. Check for on-board Raid first, add-in cards second.
77 *
78 * Note: The last field is used to index into aac_drivers below.
79 */
80 static const struct pci_device_id aac_pci_tbl[] = {
81 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
82 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
83 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
84 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
85 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
86 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
87 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
88 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
89 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
90 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
91 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
92 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
93 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
94 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
95 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
96 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
97
98 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
99 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
100 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
101 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
102 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
103 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
104 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
105 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
106 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
107 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
108 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
109 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
110 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
111 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
112 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
113 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
114 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
115 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
116 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
117 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
118 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
119 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
120 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
121 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
122 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
123 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
124 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
125 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
126 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
127 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
128 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
129 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
130 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
131 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
132 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
133 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
134 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
135 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
136
137 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
138 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
139 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
140 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
141 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
142
143 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
144 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
145 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
146 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
147 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
148 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
149 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
150 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
151 { 0,}
152 };
153 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
154
155 /*
156 * dmb - For now we add the number of channels to this structure.
157 * In the future we should add a fib that reports the number of channels
158 * for the card. At that time we can remove the channels from here
159 */
160 static struct aac_driver_ident aac_drivers[] = {
161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
174 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
175 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
176 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
177
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
186 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
187 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
189 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
190 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
191 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
192 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
193 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
195 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
199 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
200 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
207 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
209 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
213 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
214
215 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
216 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
217 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
218 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
219 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
220
221 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
222 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
224 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
225 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
226 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
228 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
229 };
230
231 /**
232 * aac_queuecommand - queue a SCSI command
233 * @cmd: SCSI command to queue
234 * @done: Function to call on command completion
235 *
236 * Queues a command for execution by the associated Host Adapter.
237 *
238 * TODO: unify with aac_scsi_cmd().
239 */
240
241 static int aac_queuecommand(struct Scsi_Host *shost,
242 struct scsi_cmnd *cmd)
243 {
244 int r = 0;
245 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
246 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
247 return r;
248 }
249
250 /**
251 * aac_info - Returns the host adapter name
252 * @shost: Scsi host to report on
253 *
254 * Returns a static string describing the device in question
255 */
256
257 static const char *aac_info(struct Scsi_Host *shost)
258 {
259 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
260 return aac_drivers[dev->cardtype].name;
261 }
262
263 /**
264 * aac_get_driver_ident
265 * @devtype: index into lookup table
266 *
267 * Returns a pointer to the entry in the driver lookup table.
268 */
269
270 struct aac_driver_ident* aac_get_driver_ident(int devtype)
271 {
272 return &aac_drivers[devtype];
273 }
274
275 /**
276 * aac_biosparm - return BIOS parameters for disk
277 * @sdev: The scsi device corresponding to the disk
278 * @bdev: the block device corresponding to the disk
279 * @capacity: the sector capacity of the disk
280 * @geom: geometry block to fill in
281 *
282 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
283 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
284 * number of cylinders so as not to exceed drive capacity. In order for
285 * disks equal to or larger than 1 GB to be addressable by the BIOS
286 * without exceeding the BIOS limitation of 1024 cylinders, Extended
287 * Translation should be enabled. With Extended Translation enabled,
288 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
289 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
290 * are given a disk geometry of 255 heads and 63 sectors. However, if
291 * the BIOS detects that the Extended Translation setting does not match
292 * the geometry in the partition table, then the translation inferred
293 * from the partition table will be used by the BIOS, and a warning may
294 * be displayed.
295 */
296
297 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
298 sector_t capacity, int *geom)
299 {
300 struct diskparm *param = (struct diskparm *)geom;
301 unsigned char *buf;
302
303 dprintk((KERN_DEBUG "aac_biosparm.\n"));
304
305 /*
306 * Assuming extended translation is enabled - #REVISIT#
307 */
308 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
309 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
310 param->heads = 255;
311 param->sectors = 63;
312 } else {
313 param->heads = 128;
314 param->sectors = 32;
315 }
316 } else {
317 param->heads = 64;
318 param->sectors = 32;
319 }
320
321 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
322
323 /*
324 * Read the first 1024 bytes from the disk device, if the boot
325 * sector partition table is valid, search for a partition table
326 * entry whose end_head matches one of the standard geometry
327 * translations ( 64/32, 128/32, 255/63 ).
328 */
329 buf = scsi_bios_ptable(bdev);
330 if (!buf)
331 return 0;
332 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
333 struct partition *first = (struct partition * )buf;
334 struct partition *entry = first;
335 int saved_cylinders = param->cylinders;
336 int num;
337 unsigned char end_head, end_sec;
338
339 for(num = 0; num < 4; num++) {
340 end_head = entry->end_head;
341 end_sec = entry->end_sector & 0x3f;
342
343 if(end_head == 63) {
344 param->heads = 64;
345 param->sectors = 32;
346 break;
347 } else if(end_head == 127) {
348 param->heads = 128;
349 param->sectors = 32;
350 break;
351 } else if(end_head == 254) {
352 param->heads = 255;
353 param->sectors = 63;
354 break;
355 }
356 entry++;
357 }
358
359 if (num == 4) {
360 end_head = first->end_head;
361 end_sec = first->end_sector & 0x3f;
362 }
363
364 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
365 if (num < 4 && end_sec == param->sectors) {
366 if (param->cylinders != saved_cylinders)
367 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
368 param->heads, param->sectors, num));
369 } else if (end_head > 0 || end_sec > 0) {
370 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
371 end_head + 1, end_sec, num));
372 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
373 param->heads, param->sectors));
374 }
375 }
376 kfree(buf);
377 return 0;
378 }
379
380 /**
381 * aac_slave_configure - compute queue depths
382 * @sdev: SCSI device we are considering
383 *
384 * Selects queue depths for each target device based on the host adapter's
385 * total capacity and the queue depth supported by the target device.
386 * A queue depth of one automatically disables tagged queueing.
387 */
388
389 static int aac_slave_configure(struct scsi_device *sdev)
390 {
391 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
392 int chn, tid;
393 unsigned int depth = 0;
394 unsigned int set_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
473 common_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.
488 */
489 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
490 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
491
492 if (depth > 256)
493 depth = 256;
494 else if (depth < 1)
495 depth = 1;
496
497 scsi_change_queue_depth(sdev, depth);
498
499 sdev->tagged_supported = 1;
500
501 return 0;
502 }
503
504 /**
505 * aac_change_queue_depth - alter queue depths
506 * @sdev: SCSI device we are considering
507 * @depth: desired queue depth
508 *
509 * Alters queue depths for target device based on the host adapter's
510 * total capacity and the queue depth supported by the target device.
511 */
512
513 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
514 {
515 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
516 int chn, tid, is_native_device = 0;
517
518 chn = aac_logical_to_phys(sdev_channel(sdev));
519 tid = sdev_id(sdev);
520 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
521 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
522 is_native_device = 1;
523
524 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
525 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
526 struct scsi_device * dev;
527 struct Scsi_Host *host = sdev->host;
528 unsigned num = 0;
529
530 __shost_for_each_device(dev, host) {
531 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
532 (sdev_channel(dev) == CONTAINER_CHANNEL))
533 ++num;
534 ++num;
535 }
536 if (num >= host->can_queue)
537 num = host->can_queue - 1;
538 if (depth > (host->can_queue - num))
539 depth = host->can_queue - num;
540 if (depth > 256)
541 depth = 256;
542 else if (depth < 2)
543 depth = 2;
544 return scsi_change_queue_depth(sdev, depth);
545 } else if (is_native_device) {
546 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
547 } else {
548 scsi_change_queue_depth(sdev, 1);
549 }
550 return sdev->queue_depth;
551 }
552
553 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
554 {
555 struct scsi_device *sdev = to_scsi_device(dev);
556 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
557 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
558 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
559 ? "Hidden\n" :
560 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
561 return snprintf(buf, PAGE_SIZE, "%s\n",
562 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
563 }
564
565 static struct device_attribute aac_raid_level_attr = {
566 .attr = {
567 .name = "level",
568 .mode = S_IRUGO,
569 },
570 .show = aac_show_raid_level
571 };
572
573 static ssize_t aac_show_unique_id(struct device *dev,
574 struct device_attribute *attr, char *buf)
575 {
576 struct scsi_device *sdev = to_scsi_device(dev);
577 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
578 unsigned char sn[16];
579
580 memset(sn, 0, sizeof(sn));
581
582 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
583 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
584
585 return snprintf(buf, 16 * 2 + 2,
586 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
587 sn[0], sn[1], sn[2], sn[3],
588 sn[4], sn[5], sn[6], sn[7],
589 sn[8], sn[9], sn[10], sn[11],
590 sn[12], sn[13], sn[14], sn[15]);
591 }
592
593 static struct device_attribute aac_unique_id_attr = {
594 .attr = {
595 .name = "unique_id",
596 .mode = 0444,
597 },
598 .show = aac_show_unique_id
599 };
600
601
602
603 static struct device_attribute *aac_dev_attrs[] = {
604 &aac_raid_level_attr,
605 &aac_unique_id_attr,
606 NULL,
607 };
608
609 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
610 void __user *arg)
611 {
612 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
613 if (!capable(CAP_SYS_RAWIO))
614 return -EPERM;
615 return aac_do_ioctl(dev, cmd, arg);
616 }
617
618 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
619 {
620
621 unsigned long flags;
622 struct scsi_device *sdev = NULL;
623 struct Scsi_Host *shost = aac->scsi_host_ptr;
624 struct scsi_cmnd *scmnd = NULL;
625 struct device *ctrl_dev;
626
627 int mlcnt = 0;
628 int llcnt = 0;
629 int ehcnt = 0;
630 int fwcnt = 0;
631 int krlcnt = 0;
632
633 __shost_for_each_device(sdev, shost) {
634 spin_lock_irqsave(&sdev->list_lock, flags);
635 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
636 switch (scmnd->SCp.phase) {
637 case AAC_OWNER_FIRMWARE:
638 fwcnt++;
639 break;
640 case AAC_OWNER_ERROR_HANDLER:
641 ehcnt++;
642 break;
643 case AAC_OWNER_LOWLEVEL:
644 llcnt++;
645 break;
646 case AAC_OWNER_MIDLEVEL:
647 mlcnt++;
648 break;
649 default:
650 krlcnt++;
651 break;
652 }
653 }
654 spin_unlock_irqrestore(&sdev->list_lock, flags);
655 }
656
657 ctrl_dev = &aac->pdev->dev;
658
659 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
660 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
661 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
662 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
663 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
664
665 return mlcnt + llcnt + ehcnt + fwcnt;
666 }
667
668 static int aac_eh_abort(struct scsi_cmnd* cmd)
669 {
670 struct scsi_device * dev = cmd->device;
671 struct Scsi_Host * host = dev->host;
672 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
673 int count, found;
674 u32 bus, cid;
675 int ret = FAILED;
676
677 if (aac_adapter_check_health(aac))
678 return ret;
679
680 bus = aac_logical_to_phys(scmd_channel(cmd));
681 cid = scmd_id(cmd);
682 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
683 struct fib *fib;
684 struct aac_hba_tm_req *tmf;
685 int status;
686 u64 address;
687
688 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
689 AAC_DRIVERNAME,
690 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
691
692 found = 0;
693 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
694 fib = &aac->fibs[count];
695 if (*(u8 *)fib->hw_fib_va != 0 &&
696 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
697 (fib->callback_data == cmd)) {
698 found = 1;
699 break;
700 }
701 }
702 if (!found)
703 return ret;
704
705 /* start a HBA_TMF_ABORT_TASK TMF request */
706 fib = aac_fib_alloc(aac);
707 if (!fib)
708 return ret;
709
710 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
711 memset(tmf, 0, sizeof(*tmf));
712 tmf->tmf = HBA_TMF_ABORT_TASK;
713 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
714 tmf->lun[1] = cmd->device->lun;
715
716 address = (u64)fib->hw_error_pa;
717 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
718 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
719 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
720
721 fib->hbacmd_size = sizeof(*tmf);
722 cmd->SCp.sent_command = 0;
723
724 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
725 (fib_callback) aac_hba_callback,
726 (void *) cmd);
727
728 /* Wait up to 15 secs for completion */
729 for (count = 0; count < 15; ++count) {
730 if (cmd->SCp.sent_command) {
731 ret = SUCCESS;
732 break;
733 }
734 msleep(1000);
735 }
736
737 if (ret != SUCCESS)
738 pr_err("%s: Host adapter abort request timed out\n",
739 AAC_DRIVERNAME);
740 } else {
741 pr_err(
742 "%s: Host adapter abort request.\n"
743 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
744 AAC_DRIVERNAME, AAC_DRIVERNAME,
745 host->host_no, sdev_channel(dev), sdev_id(dev),
746 (int)dev->lun);
747 switch (cmd->cmnd[0]) {
748 case SERVICE_ACTION_IN_16:
749 if (!(aac->raw_io_interface) ||
750 !(aac->raw_io_64) ||
751 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
752 break;
753 /* fall through */
754 case INQUIRY:
755 case READ_CAPACITY:
756 /*
757 * Mark associated FIB to not complete,
758 * eh handler does this
759 */
760 for (count = 0;
761 count < (host->can_queue + AAC_NUM_MGT_FIB);
762 ++count) {
763 struct fib *fib = &aac->fibs[count];
764
765 if (fib->hw_fib_va->header.XferState &&
766 (fib->flags & FIB_CONTEXT_FLAG) &&
767 (fib->callback_data == cmd)) {
768 fib->flags |=
769 FIB_CONTEXT_FLAG_TIMED_OUT;
770 cmd->SCp.phase =
771 AAC_OWNER_ERROR_HANDLER;
772 ret = SUCCESS;
773 }
774 }
775 break;
776 case TEST_UNIT_READY:
777 /*
778 * Mark associated FIB to not complete,
779 * eh handler does this
780 */
781 for (count = 0;
782 count < (host->can_queue + AAC_NUM_MGT_FIB);
783 ++count) {
784 struct scsi_cmnd *command;
785 struct fib *fib = &aac->fibs[count];
786
787 command = fib->callback_data;
788
789 if ((fib->hw_fib_va->header.XferState &
790 cpu_to_le32
791 (Async | NoResponseExpected)) &&
792 (fib->flags & FIB_CONTEXT_FLAG) &&
793 ((command)) &&
794 (command->device == cmd->device)) {
795 fib->flags |=
796 FIB_CONTEXT_FLAG_TIMED_OUT;
797 command->SCp.phase =
798 AAC_OWNER_ERROR_HANDLER;
799 if (command == cmd)
800 ret = SUCCESS;
801 }
802 }
803 break;
804 }
805 }
806 return ret;
807 }
808
809 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
810 struct fib *fib, u64 tmf_lun)
811 {
812 struct aac_hba_tm_req *tmf;
813 u64 address;
814
815 /* start a HBA_TMF_LUN_RESET TMF request */
816 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
817 memset(tmf, 0, sizeof(*tmf));
818 tmf->tmf = HBA_TMF_LUN_RESET;
819 tmf->it_nexus = info->rmw_nexus;
820 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
821
822 address = (u64)fib->hw_error_pa;
823 tmf->error_ptr_hi = cpu_to_le32
824 ((u32)(address >> 32));
825 tmf->error_ptr_lo = cpu_to_le32
826 ((u32)(address & 0xffffffff));
827 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
828 fib->hbacmd_size = sizeof(*tmf);
829
830 return HBA_IU_TYPE_SCSI_TM_REQ;
831 }
832
833 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
834 struct fib *fib)
835 {
836 struct aac_hba_reset_req *rst;
837 u64 address;
838
839 /* already tried, start a hard reset now */
840 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
841 memset(rst, 0, sizeof(*rst));
842 rst->it_nexus = info->rmw_nexus;
843
844 address = (u64)fib->hw_error_pa;
845 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
846 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
847 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
848 fib->hbacmd_size = sizeof(*rst);
849
850 return HBA_IU_TYPE_SATA_REQ;
851 }
852
853 void aac_tmf_callback(void *context, struct fib *fibptr)
854 {
855 struct aac_hba_resp *err =
856 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
857 struct aac_hba_map_info *info = context;
858 int res;
859
860 switch (err->service_response) {
861 case HBA_RESP_SVCRES_TMF_REJECTED:
862 res = -1;
863 break;
864 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
865 res = 0;
866 break;
867 case HBA_RESP_SVCRES_TMF_COMPLETE:
868 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
869 res = 0;
870 break;
871 default:
872 res = -2;
873 break;
874 }
875 aac_fib_complete(fibptr);
876
877 info->reset_state = res;
878 }
879
880 /*
881 * aac_eh_dev_reset - Device reset command handling
882 * @scsi_cmd: SCSI command block causing the reset
883 *
884 */
885 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
886 {
887 struct scsi_device * dev = cmd->device;
888 struct Scsi_Host * host = dev->host;
889 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
890 struct aac_hba_map_info *info;
891 int count;
892 u32 bus, cid;
893 struct fib *fib;
894 int ret = FAILED;
895 int status;
896 u8 command;
897
898 bus = aac_logical_to_phys(scmd_channel(cmd));
899 cid = scmd_id(cmd);
900
901 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
902 return FAILED;
903
904 info = &aac->hba_map[bus][cid];
905
906 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
907 info->reset_state > 0)
908 return FAILED;
909
910 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
911 AAC_DRIVERNAME);
912
913 fib = aac_fib_alloc(aac);
914 if (!fib)
915 return ret;
916
917 /* start a HBA_TMF_LUN_RESET TMF request */
918 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
919
920 info->reset_state = 1;
921
922 status = aac_hba_send(command, fib,
923 (fib_callback) aac_tmf_callback,
924 (void *) info);
925
926 /* Wait up to 15 seconds for completion */
927 for (count = 0; count < 15; ++count) {
928 if (info->reset_state == 0) {
929 ret = info->reset_state == 0 ? SUCCESS : FAILED;
930 break;
931 }
932 msleep(1000);
933 }
934
935 return ret;
936 }
937
938 /*
939 * aac_eh_target_reset - Target reset command handling
940 * @scsi_cmd: SCSI command block causing the reset
941 *
942 */
943 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
944 {
945 struct scsi_device * dev = cmd->device;
946 struct Scsi_Host * host = dev->host;
947 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
948 struct aac_hba_map_info *info;
949 int count;
950 u32 bus, cid;
951 int ret = FAILED;
952 struct fib *fib;
953 int status;
954 u8 command;
955
956 bus = aac_logical_to_phys(scmd_channel(cmd));
957 cid = scmd_id(cmd);
958
959 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
960 return FAILED;
961
962 info = &aac->hba_map[bus][cid];
963
964 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
965 info->reset_state > 0)
966 return FAILED;
967
968 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
969 AAC_DRIVERNAME);
970
971 fib = aac_fib_alloc(aac);
972 if (!fib)
973 return ret;
974
975
976 /* already tried, start a hard reset now */
977 command = aac_eh_tmf_hard_reset_fib(info, fib);
978
979 info->reset_state = 2;
980
981 status = aac_hba_send(command, fib,
982 (fib_callback) aac_tmf_callback,
983 (void *) info);
984
985 /* Wait up to 15 seconds for completion */
986 for (count = 0; count < 15; ++count) {
987 if (info->reset_state <= 0) {
988 ret = info->reset_state == 0 ? SUCCESS : FAILED;
989 break;
990 }
991 msleep(1000);
992 }
993
994 return ret;
995 }
996
997 /*
998 * aac_eh_bus_reset - Bus reset command handling
999 * @scsi_cmd: SCSI command block causing the reset
1000 *
1001 */
1002 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1003 {
1004 struct scsi_device * dev = cmd->device;
1005 struct Scsi_Host * host = dev->host;
1006 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1007 int count;
1008 u32 cmd_bus;
1009 int status = 0;
1010
1011
1012 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1013 /* Mark the assoc. FIB to not complete, eh handler does this */
1014 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1015 struct fib *fib = &aac->fibs[count];
1016
1017 if (fib->hw_fib_va->header.XferState &&
1018 (fib->flags & FIB_CONTEXT_FLAG) &&
1019 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1020 struct aac_hba_map_info *info;
1021 u32 bus, cid;
1022
1023 cmd = (struct scsi_cmnd *)fib->callback_data;
1024 bus = aac_logical_to_phys(scmd_channel(cmd));
1025 if (bus != cmd_bus)
1026 continue;
1027 cid = scmd_id(cmd);
1028 info = &aac->hba_map[bus][cid];
1029 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1030 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1031 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1032 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1033 }
1034 }
1035 }
1036
1037 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1038
1039 /*
1040 * Check the health of the controller
1041 */
1042 status = aac_adapter_check_health(aac);
1043 if (status)
1044 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1045
1046 count = get_num_of_incomplete_fibs(aac);
1047 return (count == 0) ? SUCCESS : FAILED;
1048 }
1049
1050 /*
1051 * aac_eh_host_reset - Host reset command handling
1052 * @scsi_cmd: SCSI command block causing the reset
1053 *
1054 */
1055 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1056 {
1057 struct scsi_device * dev = cmd->device;
1058 struct Scsi_Host * host = dev->host;
1059 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1060 int ret = FAILED;
1061 __le32 supported_options2 = 0;
1062 bool is_mu_reset;
1063 bool is_ignore_reset;
1064 bool is_doorbell_reset;
1065
1066 /*
1067 * Check if reset is supported by the firmware
1068 */
1069 supported_options2 = aac->supplement_adapter_info.supported_options2;
1070 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1071 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1072 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1073 /*
1074 * This adapter needs a blind reset, only do so for
1075 * Adapters that support a register, instead of a commanded,
1076 * reset.
1077 */
1078 if ((is_mu_reset || is_doorbell_reset)
1079 && aac_check_reset
1080 && (aac_check_reset != -1 || !is_ignore_reset)) {
1081 /* Bypass wait for command quiesce */
1082 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1083 ret = SUCCESS;
1084 }
1085 /*
1086 * Reset EH state
1087 */
1088 if (ret == SUCCESS) {
1089 int bus, cid;
1090 struct aac_hba_map_info *info;
1091
1092 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1093 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1094 info = &aac->hba_map[bus][cid];
1095 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1096 info->reset_state = 0;
1097 }
1098 }
1099 }
1100 return ret;
1101 }
1102
1103 /**
1104 * aac_cfg_open - open a configuration file
1105 * @inode: inode being opened
1106 * @file: file handle attached
1107 *
1108 * Called when the configuration device is opened. Does the needed
1109 * set up on the handle and then returns
1110 *
1111 * Bugs: This needs extending to check a given adapter is present
1112 * so we can support hot plugging, and to ref count adapters.
1113 */
1114
1115 static int aac_cfg_open(struct inode *inode, struct file *file)
1116 {
1117 struct aac_dev *aac;
1118 unsigned minor_number = iminor(inode);
1119 int err = -ENODEV;
1120
1121 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1122 list_for_each_entry(aac, &aac_devices, entry) {
1123 if (aac->id == minor_number) {
1124 file->private_data = aac;
1125 err = 0;
1126 break;
1127 }
1128 }
1129 mutex_unlock(&aac_mutex);
1130
1131 return err;
1132 }
1133
1134 /**
1135 * aac_cfg_ioctl - AAC configuration request
1136 * @inode: inode of device
1137 * @file: file handle
1138 * @cmd: ioctl command code
1139 * @arg: argument
1140 *
1141 * Handles a configuration ioctl. Currently this involves wrapping it
1142 * up and feeding it into the nasty windowsalike glue layer.
1143 *
1144 * Bugs: Needs locking against parallel ioctls lower down
1145 * Bugs: Needs to handle hot plugging
1146 */
1147
1148 static long aac_cfg_ioctl(struct file *file,
1149 unsigned int cmd, unsigned long arg)
1150 {
1151 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1152
1153 if (!capable(CAP_SYS_RAWIO))
1154 return -EPERM;
1155
1156 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1157 }
1158
1159 #ifdef CONFIG_COMPAT
1160 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1161 {
1162 long ret;
1163 switch (cmd) {
1164 case FSACTL_MINIPORT_REV_CHECK:
1165 case FSACTL_SENDFIB:
1166 case FSACTL_OPEN_GET_ADAPTER_FIB:
1167 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1168 case FSACTL_SEND_RAW_SRB:
1169 case FSACTL_GET_PCI_INFO:
1170 case FSACTL_QUERY_DISK:
1171 case FSACTL_DELETE_DISK:
1172 case FSACTL_FORCE_DELETE_DISK:
1173 case FSACTL_GET_CONTAINERS:
1174 case FSACTL_SEND_LARGE_FIB:
1175 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1176 break;
1177
1178 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1179 struct fib_ioctl __user *f;
1180
1181 f = compat_alloc_user_space(sizeof(*f));
1182 ret = 0;
1183 if (clear_user(f, sizeof(*f)))
1184 ret = -EFAULT;
1185 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1186 ret = -EFAULT;
1187 if (!ret)
1188 ret = aac_do_ioctl(dev, cmd, f);
1189 break;
1190 }
1191
1192 default:
1193 ret = -ENOIOCTLCMD;
1194 break;
1195 }
1196 return ret;
1197 }
1198
1199 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1200 void __user *arg)
1201 {
1202 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1203 if (!capable(CAP_SYS_RAWIO))
1204 return -EPERM;
1205 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1206 }
1207
1208 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1209 {
1210 if (!capable(CAP_SYS_RAWIO))
1211 return -EPERM;
1212 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1213 }
1214 #endif
1215
1216 static ssize_t aac_show_model(struct device *device,
1217 struct device_attribute *attr, char *buf)
1218 {
1219 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1220 int len;
1221
1222 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1223 char *cp = dev->supplement_adapter_info.adapter_type_text;
1224 while (*cp && *cp != ' ')
1225 ++cp;
1226 while (*cp == ' ')
1227 ++cp;
1228 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1229 } else
1230 len = snprintf(buf, PAGE_SIZE, "%s\n",
1231 aac_drivers[dev->cardtype].model);
1232 return len;
1233 }
1234
1235 static ssize_t aac_show_vendor(struct device *device,
1236 struct device_attribute *attr, char *buf)
1237 {
1238 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1239 struct aac_supplement_adapter_info *sup_adap_info;
1240 int len;
1241
1242 sup_adap_info = &dev->supplement_adapter_info;
1243 if (sup_adap_info->adapter_type_text[0]) {
1244 char *cp = sup_adap_info->adapter_type_text;
1245 while (*cp && *cp != ' ')
1246 ++cp;
1247 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1248 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1249 sup_adap_info->adapter_type_text);
1250 } else
1251 len = snprintf(buf, PAGE_SIZE, "%s\n",
1252 aac_drivers[dev->cardtype].vname);
1253 return len;
1254 }
1255
1256 static ssize_t aac_show_flags(struct device *cdev,
1257 struct device_attribute *attr, char *buf)
1258 {
1259 int len = 0;
1260 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1261
1262 if (nblank(dprintk(x)))
1263 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1264 #ifdef AAC_DETAILED_STATUS_INFO
1265 len += snprintf(buf + len, PAGE_SIZE - len,
1266 "AAC_DETAILED_STATUS_INFO\n");
1267 #endif
1268 if (dev->raw_io_interface && dev->raw_io_64)
1269 len += snprintf(buf + len, PAGE_SIZE - len,
1270 "SAI_READ_CAPACITY_16\n");
1271 if (dev->jbod)
1272 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1273 if (dev->supplement_adapter_info.supported_options2 &
1274 AAC_OPTION_POWER_MANAGEMENT)
1275 len += snprintf(buf + len, PAGE_SIZE - len,
1276 "SUPPORTED_POWER_MANAGEMENT\n");
1277 if (dev->msi)
1278 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1279 return len;
1280 }
1281
1282 static ssize_t aac_show_kernel_version(struct device *device,
1283 struct device_attribute *attr,
1284 char *buf)
1285 {
1286 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1287 int len, tmp;
1288
1289 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1290 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1291 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1292 le32_to_cpu(dev->adapter_info.kernelbuild));
1293 return len;
1294 }
1295
1296 static ssize_t aac_show_monitor_version(struct device *device,
1297 struct device_attribute *attr,
1298 char *buf)
1299 {
1300 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1301 int len, tmp;
1302
1303 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1304 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1305 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1306 le32_to_cpu(dev->adapter_info.monitorbuild));
1307 return len;
1308 }
1309
1310 static ssize_t aac_show_bios_version(struct device *device,
1311 struct device_attribute *attr,
1312 char *buf)
1313 {
1314 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1315 int len, tmp;
1316
1317 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1318 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1319 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1320 le32_to_cpu(dev->adapter_info.biosbuild));
1321 return len;
1322 }
1323
1324 static ssize_t aac_show_driver_version(struct device *device,
1325 struct device_attribute *attr,
1326 char *buf)
1327 {
1328 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1329 }
1330
1331 static ssize_t aac_show_serial_number(struct device *device,
1332 struct device_attribute *attr, char *buf)
1333 {
1334 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1335 int len = 0;
1336
1337 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1338 len = snprintf(buf, 16, "%06X\n",
1339 le32_to_cpu(dev->adapter_info.serial[0]));
1340 if (len &&
1341 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1342 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1343 buf, len-1))
1344 len = snprintf(buf, 16, "%.*s\n",
1345 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1346 dev->supplement_adapter_info.mfg_pcba_serial_no);
1347
1348 return min(len, 16);
1349 }
1350
1351 static ssize_t aac_show_max_channel(struct device *device,
1352 struct device_attribute *attr, char *buf)
1353 {
1354 return snprintf(buf, PAGE_SIZE, "%d\n",
1355 class_to_shost(device)->max_channel);
1356 }
1357
1358 static ssize_t aac_show_max_id(struct device *device,
1359 struct device_attribute *attr, char *buf)
1360 {
1361 return snprintf(buf, PAGE_SIZE, "%d\n",
1362 class_to_shost(device)->max_id);
1363 }
1364
1365 static ssize_t aac_store_reset_adapter(struct device *device,
1366 struct device_attribute *attr,
1367 const char *buf, size_t count)
1368 {
1369 int retval = -EACCES;
1370
1371 if (!capable(CAP_SYS_ADMIN))
1372 return retval;
1373
1374 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1375 buf[0] == '!', IOP_HWSOFT_RESET);
1376 if (retval >= 0)
1377 retval = count;
1378
1379 return retval;
1380 }
1381
1382 static ssize_t aac_show_reset_adapter(struct device *device,
1383 struct device_attribute *attr,
1384 char *buf)
1385 {
1386 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1387 int len, tmp;
1388
1389 tmp = aac_adapter_check_health(dev);
1390 if ((tmp == 0) && dev->in_reset)
1391 tmp = -EBUSY;
1392 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1393 return len;
1394 }
1395
1396 static struct device_attribute aac_model = {
1397 .attr = {
1398 .name = "model",
1399 .mode = S_IRUGO,
1400 },
1401 .show = aac_show_model,
1402 };
1403 static struct device_attribute aac_vendor = {
1404 .attr = {
1405 .name = "vendor",
1406 .mode = S_IRUGO,
1407 },
1408 .show = aac_show_vendor,
1409 };
1410 static struct device_attribute aac_flags = {
1411 .attr = {
1412 .name = "flags",
1413 .mode = S_IRUGO,
1414 },
1415 .show = aac_show_flags,
1416 };
1417 static struct device_attribute aac_kernel_version = {
1418 .attr = {
1419 .name = "hba_kernel_version",
1420 .mode = S_IRUGO,
1421 },
1422 .show = aac_show_kernel_version,
1423 };
1424 static struct device_attribute aac_monitor_version = {
1425 .attr = {
1426 .name = "hba_monitor_version",
1427 .mode = S_IRUGO,
1428 },
1429 .show = aac_show_monitor_version,
1430 };
1431 static struct device_attribute aac_bios_version = {
1432 .attr = {
1433 .name = "hba_bios_version",
1434 .mode = S_IRUGO,
1435 },
1436 .show = aac_show_bios_version,
1437 };
1438 static struct device_attribute aac_lld_version = {
1439 .attr = {
1440 .name = "driver_version",
1441 .mode = 0444,
1442 },
1443 .show = aac_show_driver_version,
1444 };
1445 static struct device_attribute aac_serial_number = {
1446 .attr = {
1447 .name = "serial_number",
1448 .mode = S_IRUGO,
1449 },
1450 .show = aac_show_serial_number,
1451 };
1452 static struct device_attribute aac_max_channel = {
1453 .attr = {
1454 .name = "max_channel",
1455 .mode = S_IRUGO,
1456 },
1457 .show = aac_show_max_channel,
1458 };
1459 static struct device_attribute aac_max_id = {
1460 .attr = {
1461 .name = "max_id",
1462 .mode = S_IRUGO,
1463 },
1464 .show = aac_show_max_id,
1465 };
1466 static struct device_attribute aac_reset = {
1467 .attr = {
1468 .name = "reset_host",
1469 .mode = S_IWUSR|S_IRUGO,
1470 },
1471 .store = aac_store_reset_adapter,
1472 .show = aac_show_reset_adapter,
1473 };
1474
1475 static struct device_attribute *aac_attrs[] = {
1476 &aac_model,
1477 &aac_vendor,
1478 &aac_flags,
1479 &aac_kernel_version,
1480 &aac_monitor_version,
1481 &aac_bios_version,
1482 &aac_lld_version,
1483 &aac_serial_number,
1484 &aac_max_channel,
1485 &aac_max_id,
1486 &aac_reset,
1487 NULL
1488 };
1489
1490 ssize_t aac_get_serial_number(struct device *device, char *buf)
1491 {
1492 return aac_show_serial_number(device, &aac_serial_number, buf);
1493 }
1494
1495 static const struct file_operations aac_cfg_fops = {
1496 .owner = THIS_MODULE,
1497 .unlocked_ioctl = aac_cfg_ioctl,
1498 #ifdef CONFIG_COMPAT
1499 .compat_ioctl = aac_compat_cfg_ioctl,
1500 #endif
1501 .open = aac_cfg_open,
1502 .llseek = noop_llseek,
1503 };
1504
1505 static struct scsi_host_template aac_driver_template = {
1506 .module = THIS_MODULE,
1507 .name = "AAC",
1508 .proc_name = AAC_DRIVERNAME,
1509 .info = aac_info,
1510 .ioctl = aac_ioctl,
1511 #ifdef CONFIG_COMPAT
1512 .compat_ioctl = aac_compat_ioctl,
1513 #endif
1514 .queuecommand = aac_queuecommand,
1515 .bios_param = aac_biosparm,
1516 .shost_attrs = aac_attrs,
1517 .slave_configure = aac_slave_configure,
1518 .change_queue_depth = aac_change_queue_depth,
1519 .sdev_attrs = aac_dev_attrs,
1520 .eh_abort_handler = aac_eh_abort,
1521 .eh_device_reset_handler = aac_eh_dev_reset,
1522 .eh_target_reset_handler = aac_eh_target_reset,
1523 .eh_bus_reset_handler = aac_eh_bus_reset,
1524 .eh_host_reset_handler = aac_eh_host_reset,
1525 .can_queue = AAC_NUM_IO_FIB,
1526 .this_id = MAXIMUM_NUM_CONTAINERS,
1527 .sg_tablesize = 16,
1528 .max_sectors = 128,
1529 #if (AAC_NUM_IO_FIB > 256)
1530 .cmd_per_lun = 256,
1531 #else
1532 .cmd_per_lun = AAC_NUM_IO_FIB,
1533 #endif
1534 .emulated = 1,
1535 .no_write_same = 1,
1536 };
1537
1538 static void __aac_shutdown(struct aac_dev * aac)
1539 {
1540 int i;
1541
1542 mutex_lock(&aac->ioctl_mutex);
1543 aac->adapter_shutdown = 1;
1544 mutex_unlock(&aac->ioctl_mutex);
1545
1546 if (aac->aif_thread) {
1547 int i;
1548 /* Clear out events first */
1549 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1550 struct fib *fib = &aac->fibs[i];
1551 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1552 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1553 complete(&fib->event_wait);
1554 }
1555 kthread_stop(aac->thread);
1556 aac->thread = NULL;
1557 }
1558
1559 aac_send_shutdown(aac);
1560
1561 aac_adapter_disable_int(aac);
1562
1563 if (aac_is_src(aac)) {
1564 if (aac->max_msix > 1) {
1565 for (i = 0; i < aac->max_msix; i++) {
1566 free_irq(pci_irq_vector(aac->pdev, i),
1567 &(aac->aac_msix[i]));
1568 }
1569 } else {
1570 free_irq(aac->pdev->irq,
1571 &(aac->aac_msix[0]));
1572 }
1573 } else {
1574 free_irq(aac->pdev->irq, aac);
1575 }
1576 if (aac->msi)
1577 pci_disable_msi(aac->pdev);
1578 else if (aac->max_msix > 1)
1579 pci_disable_msix(aac->pdev);
1580 }
1581 static void aac_init_char(void)
1582 {
1583 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1584 if (aac_cfg_major < 0) {
1585 pr_err("aacraid: unable to register \"aac\" device.\n");
1586 }
1587 }
1588
1589 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1590 {
1591 unsigned index = id->driver_data;
1592 struct Scsi_Host *shost;
1593 struct aac_dev *aac;
1594 struct list_head *insert = &aac_devices;
1595 int error = -ENODEV;
1596 int unique_id = 0;
1597 u64 dmamask;
1598 int mask_bits = 0;
1599 extern int aac_sync_mode;
1600
1601 /*
1602 * Only series 7 needs freset.
1603 */
1604 if (pdev->device == PMC_DEVICE_S7)
1605 pdev->needs_freset = 1;
1606
1607 list_for_each_entry(aac, &aac_devices, entry) {
1608 if (aac->id > unique_id)
1609 break;
1610 insert = &aac->entry;
1611 unique_id++;
1612 }
1613
1614 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1615 PCIE_LINK_STATE_CLKPM);
1616
1617 error = pci_enable_device(pdev);
1618 if (error)
1619 goto out;
1620 error = -ENODEV;
1621
1622 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1623 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1624 if (error) {
1625 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1626 goto out_disable_pdev;
1627 }
1628 }
1629
1630 /*
1631 * If the quirk31 bit is set, the adapter needs adapter
1632 * to driver communication memory to be allocated below 2gig
1633 */
1634 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1635 dmamask = DMA_BIT_MASK(31);
1636 mask_bits = 31;
1637 } else {
1638 dmamask = DMA_BIT_MASK(32);
1639 mask_bits = 32;
1640 }
1641
1642 error = pci_set_consistent_dma_mask(pdev, dmamask);
1643 if (error) {
1644 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1645 , mask_bits);
1646 goto out_disable_pdev;
1647 }
1648
1649 pci_set_master(pdev);
1650
1651 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1652 if (!shost)
1653 goto out_disable_pdev;
1654
1655 shost->irq = pdev->irq;
1656 shost->unique_id = unique_id;
1657 shost->max_cmd_len = 16;
1658 shost->use_cmd_list = 1;
1659
1660 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1661 aac_init_char();
1662
1663 aac = (struct aac_dev *)shost->hostdata;
1664 aac->base_start = pci_resource_start(pdev, 0);
1665 aac->scsi_host_ptr = shost;
1666 aac->pdev = pdev;
1667 aac->name = aac_driver_template.name;
1668 aac->id = shost->unique_id;
1669 aac->cardtype = index;
1670 INIT_LIST_HEAD(&aac->entry);
1671
1672 if (aac_reset_devices || reset_devices)
1673 aac->init_reset = true;
1674
1675 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1676 sizeof(struct fib),
1677 GFP_KERNEL);
1678 if (!aac->fibs)
1679 goto out_free_host;
1680 spin_lock_init(&aac->fib_lock);
1681
1682 mutex_init(&aac->ioctl_mutex);
1683 mutex_init(&aac->scan_mutex);
1684
1685 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1686 /*
1687 * Map in the registers from the adapter.
1688 */
1689 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1690 if ((*aac_drivers[index].init)(aac)) {
1691 error = -ENODEV;
1692 goto out_unmap;
1693 }
1694
1695 if (aac->sync_mode) {
1696 if (aac_sync_mode)
1697 printk(KERN_INFO "%s%d: Sync. mode enforced "
1698 "by driver parameter. This will cause "
1699 "a significant performance decrease!\n",
1700 aac->name,
1701 aac->id);
1702 else
1703 printk(KERN_INFO "%s%d: Async. mode not supported "
1704 "by current driver, sync. mode enforced."
1705 "\nPlease update driver to get full performance.\n",
1706 aac->name,
1707 aac->id);
1708 }
1709
1710 /*
1711 * Start any kernel threads needed
1712 */
1713 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1714 if (IS_ERR(aac->thread)) {
1715 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1716 error = PTR_ERR(aac->thread);
1717 aac->thread = NULL;
1718 goto out_deinit;
1719 }
1720
1721 aac->maximum_num_channels = aac_drivers[index].channels;
1722 error = aac_get_adapter_info(aac);
1723 if (error < 0)
1724 goto out_deinit;
1725
1726 /*
1727 * Lets override negotiations and drop the maximum SG limit to 34
1728 */
1729 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1730 (shost->sg_tablesize > 34)) {
1731 shost->sg_tablesize = 34;
1732 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1733 }
1734
1735 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1736 (shost->sg_tablesize > 17)) {
1737 shost->sg_tablesize = 17;
1738 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1739 }
1740
1741 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1742 shost->max_segment_size = shost->max_sectors << 9;
1743 else
1744 shost->max_segment_size = 65536;
1745
1746 /*
1747 * Firmware printf works only with older firmware.
1748 */
1749 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1750 aac->printf_enabled = 1;
1751 else
1752 aac->printf_enabled = 0;
1753
1754 /*
1755 * max channel will be the physical channels plus 1 virtual channel
1756 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1757 * physical channels are address by their actual physical number+1
1758 */
1759 if (aac->nondasd_support || expose_physicals || aac->jbod)
1760 shost->max_channel = aac->maximum_num_channels;
1761 else
1762 shost->max_channel = 0;
1763
1764 aac_get_config_status(aac, 0);
1765 aac_get_containers(aac);
1766 list_add(&aac->entry, insert);
1767
1768 shost->max_id = aac->maximum_num_containers;
1769 if (shost->max_id < aac->maximum_num_physicals)
1770 shost->max_id = aac->maximum_num_physicals;
1771 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1772 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1773 else
1774 shost->this_id = shost->max_id;
1775
1776 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1777 aac_intr_normal(aac, 0, 2, 0, NULL);
1778
1779 /*
1780 * dmb - we may need to move the setting of these parms somewhere else once
1781 * we get a fib that can report the actual numbers
1782 */
1783 shost->max_lun = AAC_MAX_LUN;
1784
1785 pci_set_drvdata(pdev, shost);
1786
1787 error = scsi_add_host(shost, &pdev->dev);
1788 if (error)
1789 goto out_deinit;
1790
1791 aac_scan_host(aac);
1792
1793 pci_enable_pcie_error_reporting(pdev);
1794 pci_save_state(pdev);
1795
1796 return 0;
1797
1798 out_deinit:
1799 __aac_shutdown(aac);
1800 out_unmap:
1801 aac_fib_map_free(aac);
1802 if (aac->comm_addr)
1803 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1804 aac->comm_addr, aac->comm_phys);
1805 kfree(aac->queues);
1806 aac_adapter_ioremap(aac, 0);
1807 kfree(aac->fibs);
1808 kfree(aac->fsa_dev);
1809 out_free_host:
1810 scsi_host_put(shost);
1811 out_disable_pdev:
1812 pci_disable_device(pdev);
1813 out:
1814 return error;
1815 }
1816
1817 static void aac_release_resources(struct aac_dev *aac)
1818 {
1819 aac_adapter_disable_int(aac);
1820 aac_free_irq(aac);
1821 }
1822
1823 static int aac_acquire_resources(struct aac_dev *dev)
1824 {
1825 unsigned long status;
1826 /*
1827 * First clear out all interrupts. Then enable the one's that we
1828 * can handle.
1829 */
1830 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1831 || status == 0xffffffff)
1832 msleep(20);
1833
1834 aac_adapter_disable_int(dev);
1835 aac_adapter_enable_int(dev);
1836
1837
1838 if (aac_is_src(dev))
1839 aac_define_int_mode(dev);
1840
1841 if (dev->msi_enabled)
1842 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1843
1844 if (aac_acquire_irq(dev))
1845 goto error_iounmap;
1846
1847 aac_adapter_enable_int(dev);
1848
1849 /*max msix may change after EEH
1850 * Re-assign vectors to fibs
1851 */
1852 aac_fib_vector_assign(dev);
1853
1854 if (!dev->sync_mode) {
1855 /* After EEH recovery or suspend resume, max_msix count
1856 * may change, therefore updating in init as well.
1857 */
1858 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1859 aac_adapter_start(dev);
1860 }
1861 return 0;
1862
1863 error_iounmap:
1864 return -1;
1865
1866 }
1867
1868 #if (defined(CONFIG_PM))
1869 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1870 {
1871
1872 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1873 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1874
1875 scsi_block_requests(shost);
1876 aac_cancel_safw_rescan_worker(aac);
1877 aac_send_shutdown(aac);
1878
1879 aac_release_resources(aac);
1880
1881 pci_set_drvdata(pdev, shost);
1882 pci_save_state(pdev);
1883 pci_disable_device(pdev);
1884 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1885
1886 return 0;
1887 }
1888
1889 static int aac_resume(struct pci_dev *pdev)
1890 {
1891 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1892 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1893 int r;
1894
1895 pci_set_power_state(pdev, PCI_D0);
1896 pci_enable_wake(pdev, PCI_D0, 0);
1897 pci_restore_state(pdev);
1898 r = pci_enable_device(pdev);
1899
1900 if (r)
1901 goto fail_device;
1902
1903 pci_set_master(pdev);
1904 if (aac_acquire_resources(aac))
1905 goto fail_device;
1906 /*
1907 * reset this flag to unblock ioctl() as it was set at
1908 * aac_send_shutdown() to block ioctls from upperlayer
1909 */
1910 aac->adapter_shutdown = 0;
1911 scsi_unblock_requests(shost);
1912
1913 return 0;
1914
1915 fail_device:
1916 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1917 scsi_host_put(shost);
1918 pci_disable_device(pdev);
1919 return -ENODEV;
1920 }
1921 #endif
1922
1923 static void aac_shutdown(struct pci_dev *dev)
1924 {
1925 struct Scsi_Host *shost = pci_get_drvdata(dev);
1926 scsi_block_requests(shost);
1927 __aac_shutdown((struct aac_dev *)shost->hostdata);
1928 }
1929
1930 static void aac_remove_one(struct pci_dev *pdev)
1931 {
1932 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1933 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1934
1935 aac_cancel_safw_rescan_worker(aac);
1936 scsi_remove_host(shost);
1937
1938 __aac_shutdown(aac);
1939 aac_fib_map_free(aac);
1940 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1941 aac->comm_phys);
1942 kfree(aac->queues);
1943
1944 aac_adapter_ioremap(aac, 0);
1945
1946 kfree(aac->fibs);
1947 kfree(aac->fsa_dev);
1948
1949 list_del(&aac->entry);
1950 scsi_host_put(shost);
1951 pci_disable_device(pdev);
1952 if (list_empty(&aac_devices)) {
1953 unregister_chrdev(aac_cfg_major, "aac");
1954 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1955 }
1956 }
1957
1958 static void aac_flush_ios(struct aac_dev *aac)
1959 {
1960 int i;
1961 struct scsi_cmnd *cmd;
1962
1963 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1964 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1965 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1966 scsi_dma_unmap(cmd);
1967
1968 if (aac->handle_pci_error)
1969 cmd->result = DID_NO_CONNECT << 16;
1970 else
1971 cmd->result = DID_RESET << 16;
1972
1973 cmd->scsi_done(cmd);
1974 }
1975 }
1976 }
1977
1978 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1979 enum pci_channel_state error)
1980 {
1981 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1982 struct aac_dev *aac = shost_priv(shost);
1983
1984 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1985
1986 switch (error) {
1987 case pci_channel_io_normal:
1988 return PCI_ERS_RESULT_CAN_RECOVER;
1989 case pci_channel_io_frozen:
1990 aac->handle_pci_error = 1;
1991
1992 scsi_block_requests(aac->scsi_host_ptr);
1993 aac_cancel_safw_rescan_worker(aac);
1994 aac_flush_ios(aac);
1995 aac_release_resources(aac);
1996
1997 pci_disable_pcie_error_reporting(pdev);
1998 aac_adapter_ioremap(aac, 0);
1999
2000 return PCI_ERS_RESULT_NEED_RESET;
2001 case pci_channel_io_perm_failure:
2002 aac->handle_pci_error = 1;
2003
2004 aac_flush_ios(aac);
2005 return PCI_ERS_RESULT_DISCONNECT;
2006 }
2007
2008 return PCI_ERS_RESULT_NEED_RESET;
2009 }
2010
2011 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2012 {
2013 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2014 return PCI_ERS_RESULT_NEED_RESET;
2015 }
2016
2017 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2018 {
2019 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2020 pci_restore_state(pdev);
2021 if (pci_enable_device(pdev)) {
2022 dev_warn(&pdev->dev,
2023 "aacraid: failed to enable slave\n");
2024 goto fail_device;
2025 }
2026
2027 pci_set_master(pdev);
2028
2029 if (pci_enable_device_mem(pdev)) {
2030 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2031 goto fail_device;
2032 }
2033
2034 return PCI_ERS_RESULT_RECOVERED;
2035
2036 fail_device:
2037 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2038 return PCI_ERS_RESULT_DISCONNECT;
2039 }
2040
2041
2042 static void aac_pci_resume(struct pci_dev *pdev)
2043 {
2044 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2045 struct scsi_device *sdev = NULL;
2046 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2047
2048 if (aac_adapter_ioremap(aac, aac->base_size)) {
2049
2050 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2051 /* remap failed, go back ... */
2052 aac->comm_interface = AAC_COMM_PRODUCER;
2053 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2054 dev_warn(&pdev->dev,
2055 "aacraid: unable to map adapter.\n");
2056
2057 return;
2058 }
2059 }
2060
2061 msleep(10000);
2062
2063 aac_acquire_resources(aac);
2064
2065 /*
2066 * reset this flag to unblock ioctl() as it was set
2067 * at aac_send_shutdown() to block ioctls from upperlayer
2068 */
2069 aac->adapter_shutdown = 0;
2070 aac->handle_pci_error = 0;
2071
2072 shost_for_each_device(sdev, shost)
2073 if (sdev->sdev_state == SDEV_OFFLINE)
2074 sdev->sdev_state = SDEV_RUNNING;
2075 scsi_unblock_requests(aac->scsi_host_ptr);
2076 aac_scan_host(aac);
2077 pci_save_state(pdev);
2078
2079 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2080 }
2081
2082 static struct pci_error_handlers aac_pci_err_handler = {
2083 .error_detected = aac_pci_error_detected,
2084 .mmio_enabled = aac_pci_mmio_enabled,
2085 .slot_reset = aac_pci_slot_reset,
2086 .resume = aac_pci_resume,
2087 };
2088
2089 static struct pci_driver aac_pci_driver = {
2090 .name = AAC_DRIVERNAME,
2091 .id_table = aac_pci_tbl,
2092 .probe = aac_probe_one,
2093 .remove = aac_remove_one,
2094 #if (defined(CONFIG_PM))
2095 .suspend = aac_suspend,
2096 .resume = aac_resume,
2097 #endif
2098 .shutdown = aac_shutdown,
2099 .err_handler = &aac_pci_err_handler,
2100 };
2101
2102 static int __init aac_init(void)
2103 {
2104 int error;
2105
2106 printk(KERN_INFO "Adaptec %s driver %s\n",
2107 AAC_DRIVERNAME, aac_driver_version);
2108
2109 error = pci_register_driver(&aac_pci_driver);
2110 if (error < 0)
2111 return error;
2112
2113 aac_init_char();
2114
2115
2116 return 0;
2117 }
2118
2119 static void __exit aac_exit(void)
2120 {
2121 if (aac_cfg_major > -1)
2122 unregister_chrdev(aac_cfg_major, "aac");
2123 pci_unregister_driver(&aac_pci_driver);
2124 }
2125
2126 module_init(aac_init);
2127 module_exit(aac_exit);
Linux with added FPC-III support