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WIP FPC-III support
[linux/fpc-iii.git] / drivers / scsi / aacraid / linit.c
blob3168915adaa75b33c8512b1b00dd697f6f477c14
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/slab.h>
31 #include <linux/mutex.h>
32 #include <linux/spinlock.h>
33 #include <linux/syscalls.h>
34 #include <linux/delay.h>
35 #include <linux/kthread.h>
36 #include <linux/msdos_partition.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 * @shost: Scsi host to queue command on
234 * @cmd: SCSI command to queue
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(MSDOS_LABEL_MAGIC)) {
333 struct msdos_partition *first = (struct msdos_partition *)buf;
334 struct msdos_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 }
370 } else if (end_head > 0 || end_sec > 0) {
371 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
372 end_head + 1, end_sec, num));
373 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
374 param->heads, param->sectors));
375 }
376 }
377 kfree(buf);
378 return 0;
379 }
380
381 /**
382 * aac_slave_configure - compute queue depths
383 * @sdev: SCSI device we are considering
384 *
385 * Selects queue depths for each target device based on the host adapter's
386 * total capacity and the queue depth supported by the target device.
387 * A queue depth of one automatically disables tagged queueing.
388 */
389
390 static int aac_slave_configure(struct scsi_device *sdev)
391 {
392 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
393 int chn, tid;
394 unsigned int depth = 0;
395 unsigned int set_timeout = 0;
396 int timeout = 0;
397 bool set_qd_dev_type = false;
398 u8 devtype = 0;
399
400 chn = aac_logical_to_phys(sdev_channel(sdev));
401 tid = sdev_id(sdev);
402 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
403 devtype = aac->hba_map[chn][tid].devtype;
404
405 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
406 depth = aac->hba_map[chn][tid].qd_limit;
407 set_timeout = 1;
408 goto common_config;
409 }
410 if (devtype == AAC_DEVTYPE_ARC_RAW) {
411 set_qd_dev_type = true;
412 set_timeout = 1;
413 goto common_config;
414 }
415 }
416
417 if (aac->jbod && (sdev->type == TYPE_DISK))
418 sdev->removable = 1;
419
420 if (sdev->type == TYPE_DISK
421 && sdev_channel(sdev) != CONTAINER_CHANNEL
422 && (!aac->jbod || sdev->inq_periph_qual)
423 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
424
425 if (expose_physicals == 0)
426 return -ENXIO;
427
428 if (expose_physicals < 0)
429 sdev->no_uld_attach = 1;
430 }
431
432 if (sdev->tagged_supported
433 && sdev->type == TYPE_DISK
434 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
435 && !sdev->no_uld_attach) {
436
437 struct scsi_device * dev;
438 struct Scsi_Host *host = sdev->host;
439 unsigned num_lsu = 0;
440 unsigned num_one = 0;
441 unsigned cid;
442
443 set_timeout = 1;
444
445 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
446 if (aac->fsa_dev[cid].valid)
447 ++num_lsu;
448
449 __shost_for_each_device(dev, host) {
450 if (dev->tagged_supported
451 && dev->type == TYPE_DISK
452 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
453 && !dev->no_uld_attach) {
454 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
455 || !aac->fsa_dev[sdev_id(dev)].valid) {
456 ++num_lsu;
457 }
458 } else {
459 ++num_one;
460 }
461 }
462
463 if (num_lsu == 0)
464 ++num_lsu;
465
466 depth = (host->can_queue - num_one) / num_lsu;
467
468 if (sdev_channel(sdev) != NATIVE_CHANNEL)
469 goto common_config;
470
471 set_qd_dev_type = true;
472
473 }
474
475 common_config:
476
477 /*
478 * Check if SATA drive
479 */
480 if (set_qd_dev_type) {
481 if (strncmp(sdev->vendor, "ATA", 3) == 0)
482 depth = 32;
483 else
484 depth = 64;
485 }
486
487 /*
488 * Firmware has an individual device recovery time typically
489 * of 35 seconds, give us a margin. Thor devices can take longer in
490 * error recovery, hence different value.
491 */
492 if (set_timeout) {
493 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
494 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
495 }
496
497 if (depth > 256)
498 depth = 256;
499 else if (depth < 1)
500 depth = 1;
501
502 scsi_change_queue_depth(sdev, depth);
503
504 sdev->tagged_supported = 1;
505
506 return 0;
507 }
508
509 /**
510 * aac_change_queue_depth - alter queue depths
511 * @sdev: SCSI device we are considering
512 * @depth: desired queue depth
513 *
514 * Alters queue depths for target device based on the host adapter's
515 * total capacity and the queue depth supported by the target device.
516 */
517
518 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
519 {
520 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
521 int chn, tid, is_native_device = 0;
522
523 chn = aac_logical_to_phys(sdev_channel(sdev));
524 tid = sdev_id(sdev);
525 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
526 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
527 is_native_device = 1;
528
529 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
530 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
531 struct scsi_device * dev;
532 struct Scsi_Host *host = sdev->host;
533 unsigned num = 0;
534
535 __shost_for_each_device(dev, host) {
536 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
537 (sdev_channel(dev) == CONTAINER_CHANNEL))
538 ++num;
539 ++num;
540 }
541 if (num >= host->can_queue)
542 num = host->can_queue - 1;
543 if (depth > (host->can_queue - num))
544 depth = host->can_queue - num;
545 if (depth > 256)
546 depth = 256;
547 else if (depth < 2)
548 depth = 2;
549 return scsi_change_queue_depth(sdev, depth);
550 } else if (is_native_device) {
551 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
552 } else {
553 scsi_change_queue_depth(sdev, 1);
554 }
555 return sdev->queue_depth;
556 }
557
558 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
559 {
560 struct scsi_device *sdev = to_scsi_device(dev);
561 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
562 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
563 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
564 ? "Hidden\n" :
565 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
566 return snprintf(buf, PAGE_SIZE, "%s\n",
567 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
568 }
569
570 static struct device_attribute aac_raid_level_attr = {
571 .attr = {
572 .name = "level",
573 .mode = S_IRUGO,
574 },
575 .show = aac_show_raid_level
576 };
577
578 static ssize_t aac_show_unique_id(struct device *dev,
579 struct device_attribute *attr, char *buf)
580 {
581 struct scsi_device *sdev = to_scsi_device(dev);
582 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
583 unsigned char sn[16];
584
585 memset(sn, 0, sizeof(sn));
586
587 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
588 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
589
590 return snprintf(buf, 16 * 2 + 2,
591 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
592 sn[0], sn[1], sn[2], sn[3],
593 sn[4], sn[5], sn[6], sn[7],
594 sn[8], sn[9], sn[10], sn[11],
595 sn[12], sn[13], sn[14], sn[15]);
596 }
597
598 static struct device_attribute aac_unique_id_attr = {
599 .attr = {
600 .name = "unique_id",
601 .mode = 0444,
602 },
603 .show = aac_show_unique_id
604 };
605
606
607
608 static struct device_attribute *aac_dev_attrs[] = {
609 &aac_raid_level_attr,
610 &aac_unique_id_attr,
611 NULL,
612 };
613
614 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
615 void __user *arg)
616 {
617 int retval;
618 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
619 if (!capable(CAP_SYS_RAWIO))
620 return -EPERM;
621 retval = aac_adapter_check_health(dev);
622 if (retval)
623 return -EBUSY;
624 return aac_do_ioctl(dev, cmd, arg);
625 }
626
627 struct fib_count_data {
628 int mlcnt;
629 int llcnt;
630 int ehcnt;
631 int fwcnt;
632 int krlcnt;
633 };
634
635 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
636 {
637 struct fib_count_data *fib_count = data;
638
639 switch (scmnd->SCp.phase) {
640 case AAC_OWNER_FIRMWARE:
641 fib_count->fwcnt++;
642 break;
643 case AAC_OWNER_ERROR_HANDLER:
644 fib_count->ehcnt++;
645 break;
646 case AAC_OWNER_LOWLEVEL:
647 fib_count->llcnt++;
648 break;
649 case AAC_OWNER_MIDLEVEL:
650 fib_count->mlcnt++;
651 break;
652 default:
653 fib_count->krlcnt++;
654 break;
655 }
656 return true;
657 }
658
659 /* Called during SCSI EH, so we don't need to block requests */
660 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
661 {
662 struct Scsi_Host *shost = aac->scsi_host_ptr;
663 struct device *ctrl_dev;
664 struct fib_count_data fcnt = { };
665
666 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
667
668 ctrl_dev = &aac->pdev->dev;
669
670 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
671 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
672 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
673 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
674 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
675
676 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
677 }
678
679 static int aac_eh_abort(struct scsi_cmnd* cmd)
680 {
681 struct scsi_device * dev = cmd->device;
682 struct Scsi_Host * host = dev->host;
683 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
684 int count, found;
685 u32 bus, cid;
686 int ret = FAILED;
687
688 if (aac_adapter_check_health(aac))
689 return ret;
690
691 bus = aac_logical_to_phys(scmd_channel(cmd));
692 cid = scmd_id(cmd);
693 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
694 struct fib *fib;
695 struct aac_hba_tm_req *tmf;
696 int status;
697 u64 address;
698
699 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
700 AAC_DRIVERNAME,
701 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
702
703 found = 0;
704 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
705 fib = &aac->fibs[count];
706 if (*(u8 *)fib->hw_fib_va != 0 &&
707 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
708 (fib->callback_data == cmd)) {
709 found = 1;
710 break;
711 }
712 }
713 if (!found)
714 return ret;
715
716 /* start a HBA_TMF_ABORT_TASK TMF request */
717 fib = aac_fib_alloc(aac);
718 if (!fib)
719 return ret;
720
721 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
722 memset(tmf, 0, sizeof(*tmf));
723 tmf->tmf = HBA_TMF_ABORT_TASK;
724 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
725 tmf->lun[1] = cmd->device->lun;
726
727 address = (u64)fib->hw_error_pa;
728 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
729 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
730 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
731
732 fib->hbacmd_size = sizeof(*tmf);
733 cmd->SCp.sent_command = 0;
734
735 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
736 (fib_callback) aac_hba_callback,
737 (void *) cmd);
738 if (status != -EINPROGRESS) {
739 aac_fib_complete(fib);
740 aac_fib_free(fib);
741 return ret;
742 }
743 /* Wait up to 15 secs for completion */
744 for (count = 0; count < 15; ++count) {
745 if (cmd->SCp.sent_command) {
746 ret = SUCCESS;
747 break;
748 }
749 msleep(1000);
750 }
751
752 if (ret != SUCCESS)
753 pr_err("%s: Host adapter abort request timed out\n",
754 AAC_DRIVERNAME);
755 } else {
756 pr_err(
757 "%s: Host adapter abort request.\n"
758 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
759 AAC_DRIVERNAME, AAC_DRIVERNAME,
760 host->host_no, sdev_channel(dev), sdev_id(dev),
761 (int)dev->lun);
762 switch (cmd->cmnd[0]) {
763 case SERVICE_ACTION_IN_16:
764 if (!(aac->raw_io_interface) ||
765 !(aac->raw_io_64) ||
766 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
767 break;
768 fallthrough;
769 case INQUIRY:
770 case READ_CAPACITY:
771 /*
772 * Mark associated FIB to not complete,
773 * eh handler does this
774 */
775 for (count = 0;
776 count < (host->can_queue + AAC_NUM_MGT_FIB);
777 ++count) {
778 struct fib *fib = &aac->fibs[count];
779
780 if (fib->hw_fib_va->header.XferState &&
781 (fib->flags & FIB_CONTEXT_FLAG) &&
782 (fib->callback_data == cmd)) {
783 fib->flags |=
784 FIB_CONTEXT_FLAG_TIMED_OUT;
785 cmd->SCp.phase =
786 AAC_OWNER_ERROR_HANDLER;
787 ret = SUCCESS;
788 }
789 }
790 break;
791 case TEST_UNIT_READY:
792 /*
793 * Mark associated FIB to not complete,
794 * eh handler does this
795 */
796 for (count = 0;
797 count < (host->can_queue + AAC_NUM_MGT_FIB);
798 ++count) {
799 struct scsi_cmnd *command;
800 struct fib *fib = &aac->fibs[count];
801
802 command = fib->callback_data;
803
804 if ((fib->hw_fib_va->header.XferState &
805 cpu_to_le32
806 (Async | NoResponseExpected)) &&
807 (fib->flags & FIB_CONTEXT_FLAG) &&
808 ((command)) &&
809 (command->device == cmd->device)) {
810 fib->flags |=
811 FIB_CONTEXT_FLAG_TIMED_OUT;
812 command->SCp.phase =
813 AAC_OWNER_ERROR_HANDLER;
814 if (command == cmd)
815 ret = SUCCESS;
816 }
817 }
818 break;
819 }
820 }
821 return ret;
822 }
823
824 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
825 struct fib *fib, u64 tmf_lun)
826 {
827 struct aac_hba_tm_req *tmf;
828 u64 address;
829
830 /* start a HBA_TMF_LUN_RESET TMF request */
831 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
832 memset(tmf, 0, sizeof(*tmf));
833 tmf->tmf = HBA_TMF_LUN_RESET;
834 tmf->it_nexus = info->rmw_nexus;
835 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
836
837 address = (u64)fib->hw_error_pa;
838 tmf->error_ptr_hi = cpu_to_le32
839 ((u32)(address >> 32));
840 tmf->error_ptr_lo = cpu_to_le32
841 ((u32)(address & 0xffffffff));
842 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
843 fib->hbacmd_size = sizeof(*tmf);
844
845 return HBA_IU_TYPE_SCSI_TM_REQ;
846 }
847
848 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
849 struct fib *fib)
850 {
851 struct aac_hba_reset_req *rst;
852 u64 address;
853
854 /* already tried, start a hard reset now */
855 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
856 memset(rst, 0, sizeof(*rst));
857 rst->it_nexus = info->rmw_nexus;
858
859 address = (u64)fib->hw_error_pa;
860 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
861 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
862 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
863 fib->hbacmd_size = sizeof(*rst);
864
865 return HBA_IU_TYPE_SATA_REQ;
866 }
867
868 static void aac_tmf_callback(void *context, struct fib *fibptr)
869 {
870 struct aac_hba_resp *err =
871 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
872 struct aac_hba_map_info *info = context;
873 int res;
874
875 switch (err->service_response) {
876 case HBA_RESP_SVCRES_TMF_REJECTED:
877 res = -1;
878 break;
879 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
880 res = 0;
881 break;
882 case HBA_RESP_SVCRES_TMF_COMPLETE:
883 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
884 res = 0;
885 break;
886 default:
887 res = -2;
888 break;
889 }
890 aac_fib_complete(fibptr);
891
892 info->reset_state = res;
893 }
894
895 /*
896 * aac_eh_dev_reset - Device reset command handling
897 * @scsi_cmd: SCSI command block causing the reset
898 *
899 */
900 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
901 {
902 struct scsi_device * dev = cmd->device;
903 struct Scsi_Host * host = dev->host;
904 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
905 struct aac_hba_map_info *info;
906 int count;
907 u32 bus, cid;
908 struct fib *fib;
909 int ret = FAILED;
910 int status;
911 u8 command;
912
913 bus = aac_logical_to_phys(scmd_channel(cmd));
914 cid = scmd_id(cmd);
915
916 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
917 return FAILED;
918
919 info = &aac->hba_map[bus][cid];
920
921 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
922 !(info->reset_state > 0)))
923 return FAILED;
924
925 pr_err("%s: Host device reset request. SCSI hang ?\n",
926 AAC_DRIVERNAME);
927
928 fib = aac_fib_alloc(aac);
929 if (!fib)
930 return ret;
931
932 /* start a HBA_TMF_LUN_RESET TMF request */
933 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
934
935 info->reset_state = 1;
936
937 status = aac_hba_send(command, fib,
938 (fib_callback) aac_tmf_callback,
939 (void *) info);
940 if (status != -EINPROGRESS) {
941 info->reset_state = 0;
942 aac_fib_complete(fib);
943 aac_fib_free(fib);
944 return ret;
945 }
946 /* Wait up to 15 seconds for completion */
947 for (count = 0; count < 15; ++count) {
948 if (info->reset_state == 0) {
949 ret = info->reset_state == 0 ? SUCCESS : FAILED;
950 break;
951 }
952 msleep(1000);
953 }
954
955 return ret;
956 }
957
958 /*
959 * aac_eh_target_reset - Target reset command handling
960 * @scsi_cmd: SCSI command block causing the reset
961 *
962 */
963 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
964 {
965 struct scsi_device * dev = cmd->device;
966 struct Scsi_Host * host = dev->host;
967 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
968 struct aac_hba_map_info *info;
969 int count;
970 u32 bus, cid;
971 int ret = FAILED;
972 struct fib *fib;
973 int status;
974 u8 command;
975
976 bus = aac_logical_to_phys(scmd_channel(cmd));
977 cid = scmd_id(cmd);
978
979 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
980 return FAILED;
981
982 info = &aac->hba_map[bus][cid];
983
984 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
985 !(info->reset_state > 0)))
986 return FAILED;
987
988 pr_err("%s: Host target reset request. SCSI hang ?\n",
989 AAC_DRIVERNAME);
990
991 fib = aac_fib_alloc(aac);
992 if (!fib)
993 return ret;
994
995
996 /* already tried, start a hard reset now */
997 command = aac_eh_tmf_hard_reset_fib(info, fib);
998
999 info->reset_state = 2;
1000
1001 status = aac_hba_send(command, fib,
1002 (fib_callback) aac_tmf_callback,
1003 (void *) info);
1004
1005 if (status != -EINPROGRESS) {
1006 info->reset_state = 0;
1007 aac_fib_complete(fib);
1008 aac_fib_free(fib);
1009 return ret;
1010 }
1011
1012 /* Wait up to 15 seconds for completion */
1013 for (count = 0; count < 15; ++count) {
1014 if (info->reset_state <= 0) {
1015 ret = info->reset_state == 0 ? SUCCESS : FAILED;
1016 break;
1017 }
1018 msleep(1000);
1019 }
1020
1021 return ret;
1022 }
1023
1024 /*
1025 * aac_eh_bus_reset - Bus reset command handling
1026 * @scsi_cmd: SCSI command block causing the reset
1027 *
1028 */
1029 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1030 {
1031 struct scsi_device * dev = cmd->device;
1032 struct Scsi_Host * host = dev->host;
1033 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1034 int count;
1035 u32 cmd_bus;
1036 int status = 0;
1037
1038
1039 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1040 /* Mark the assoc. FIB to not complete, eh handler does this */
1041 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1042 struct fib *fib = &aac->fibs[count];
1043
1044 if (fib->hw_fib_va->header.XferState &&
1045 (fib->flags & FIB_CONTEXT_FLAG) &&
1046 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1047 struct aac_hba_map_info *info;
1048 u32 bus, cid;
1049
1050 cmd = (struct scsi_cmnd *)fib->callback_data;
1051 bus = aac_logical_to_phys(scmd_channel(cmd));
1052 if (bus != cmd_bus)
1053 continue;
1054 cid = scmd_id(cmd);
1055 info = &aac->hba_map[bus][cid];
1056 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1057 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1058 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1059 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1060 }
1061 }
1062 }
1063
1064 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1065
1066 /*
1067 * Check the health of the controller
1068 */
1069 status = aac_adapter_check_health(aac);
1070 if (status)
1071 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1072
1073 count = get_num_of_incomplete_fibs(aac);
1074 return (count == 0) ? SUCCESS : FAILED;
1075 }
1076
1077 /*
1078 * aac_eh_host_reset - Host reset command handling
1079 * @scsi_cmd: SCSI command block causing the reset
1080 *
1081 */
1082 static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1083 {
1084 struct scsi_device * dev = cmd->device;
1085 struct Scsi_Host * host = dev->host;
1086 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1087 int ret = FAILED;
1088 __le32 supported_options2 = 0;
1089 bool is_mu_reset;
1090 bool is_ignore_reset;
1091 bool is_doorbell_reset;
1092
1093 /*
1094 * Check if reset is supported by the firmware
1095 */
1096 supported_options2 = aac->supplement_adapter_info.supported_options2;
1097 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1098 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1099 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1100 /*
1101 * This adapter needs a blind reset, only do so for
1102 * Adapters that support a register, instead of a commanded,
1103 * reset.
1104 */
1105 if ((is_mu_reset || is_doorbell_reset)
1106 && aac_check_reset
1107 && (aac_check_reset != -1 || !is_ignore_reset)) {
1108 /* Bypass wait for command quiesce */
1109 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1110 ret = SUCCESS;
1111 }
1112 /*
1113 * Reset EH state
1114 */
1115 if (ret == SUCCESS) {
1116 int bus, cid;
1117 struct aac_hba_map_info *info;
1118
1119 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1120 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1121 info = &aac->hba_map[bus][cid];
1122 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1123 info->reset_state = 0;
1124 }
1125 }
1126 }
1127 return ret;
1128 }
1129
1130 /**
1131 * aac_cfg_open - open a configuration file
1132 * @inode: inode being opened
1133 * @file: file handle attached
1134 *
1135 * Called when the configuration device is opened. Does the needed
1136 * set up on the handle and then returns
1137 *
1138 * Bugs: This needs extending to check a given adapter is present
1139 * so we can support hot plugging, and to ref count adapters.
1140 */
1141
1142 static int aac_cfg_open(struct inode *inode, struct file *file)
1143 {
1144 struct aac_dev *aac;
1145 unsigned minor_number = iminor(inode);
1146 int err = -ENODEV;
1147
1148 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1149 list_for_each_entry(aac, &aac_devices, entry) {
1150 if (aac->id == minor_number) {
1151 file->private_data = aac;
1152 err = 0;
1153 break;
1154 }
1155 }
1156 mutex_unlock(&aac_mutex);
1157
1158 return err;
1159 }
1160
1161 /**
1162 * aac_cfg_ioctl - AAC configuration request
1163 * @file: file handle
1164 * @cmd: ioctl command code
1165 * @arg: argument
1166 *
1167 * Handles a configuration ioctl. Currently this involves wrapping it
1168 * up and feeding it into the nasty windowsalike glue layer.
1169 *
1170 * Bugs: Needs locking against parallel ioctls lower down
1171 * Bugs: Needs to handle hot plugging
1172 */
1173
1174 static long aac_cfg_ioctl(struct file *file,
1175 unsigned int cmd, unsigned long arg)
1176 {
1177 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1178
1179 if (!capable(CAP_SYS_RAWIO))
1180 return -EPERM;
1181
1182 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1183 }
1184
1185 static ssize_t aac_show_model(struct device *device,
1186 struct device_attribute *attr, char *buf)
1187 {
1188 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1189 int len;
1190
1191 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1192 char *cp = dev->supplement_adapter_info.adapter_type_text;
1193 while (*cp && *cp != ' ')
1194 ++cp;
1195 while (*cp == ' ')
1196 ++cp;
1197 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1198 } else
1199 len = snprintf(buf, PAGE_SIZE, "%s\n",
1200 aac_drivers[dev->cardtype].model);
1201 return len;
1202 }
1203
1204 static ssize_t aac_show_vendor(struct device *device,
1205 struct device_attribute *attr, char *buf)
1206 {
1207 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1208 struct aac_supplement_adapter_info *sup_adap_info;
1209 int len;
1210
1211 sup_adap_info = &dev->supplement_adapter_info;
1212 if (sup_adap_info->adapter_type_text[0]) {
1213 char *cp = sup_adap_info->adapter_type_text;
1214 while (*cp && *cp != ' ')
1215 ++cp;
1216 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1217 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1218 sup_adap_info->adapter_type_text);
1219 } else
1220 len = snprintf(buf, PAGE_SIZE, "%s\n",
1221 aac_drivers[dev->cardtype].vname);
1222 return len;
1223 }
1224
1225 static ssize_t aac_show_flags(struct device *cdev,
1226 struct device_attribute *attr, char *buf)
1227 {
1228 int len = 0;
1229 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1230
1231 if (nblank(dprintk(x)))
1232 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1233 #ifdef AAC_DETAILED_STATUS_INFO
1234 len += scnprintf(buf + len, PAGE_SIZE - len,
1235 "AAC_DETAILED_STATUS_INFO\n");
1236 #endif
1237 if (dev->raw_io_interface && dev->raw_io_64)
1238 len += scnprintf(buf + len, PAGE_SIZE - len,
1239 "SAI_READ_CAPACITY_16\n");
1240 if (dev->jbod)
1241 len += scnprintf(buf + len, PAGE_SIZE - len,
1242 "SUPPORTED_JBOD\n");
1243 if (dev->supplement_adapter_info.supported_options2 &
1244 AAC_OPTION_POWER_MANAGEMENT)
1245 len += scnprintf(buf + len, PAGE_SIZE - len,
1246 "SUPPORTED_POWER_MANAGEMENT\n");
1247 if (dev->msi)
1248 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1249 return len;
1250 }
1251
1252 static ssize_t aac_show_kernel_version(struct device *device,
1253 struct device_attribute *attr,
1254 char *buf)
1255 {
1256 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1257 int len, tmp;
1258
1259 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1260 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1261 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1262 le32_to_cpu(dev->adapter_info.kernelbuild));
1263 return len;
1264 }
1265
1266 static ssize_t aac_show_monitor_version(struct device *device,
1267 struct device_attribute *attr,
1268 char *buf)
1269 {
1270 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1271 int len, tmp;
1272
1273 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1274 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1275 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1276 le32_to_cpu(dev->adapter_info.monitorbuild));
1277 return len;
1278 }
1279
1280 static ssize_t aac_show_bios_version(struct device *device,
1281 struct device_attribute *attr,
1282 char *buf)
1283 {
1284 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1285 int len, tmp;
1286
1287 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1288 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1289 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1290 le32_to_cpu(dev->adapter_info.biosbuild));
1291 return len;
1292 }
1293
1294 static ssize_t aac_show_driver_version(struct device *device,
1295 struct device_attribute *attr,
1296 char *buf)
1297 {
1298 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1299 }
1300
1301 static ssize_t aac_show_serial_number(struct device *device,
1302 struct device_attribute *attr, char *buf)
1303 {
1304 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1305 int len = 0;
1306
1307 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1308 len = snprintf(buf, 16, "%06X\n",
1309 le32_to_cpu(dev->adapter_info.serial[0]));
1310 if (len &&
1311 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1312 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1313 buf, len-1))
1314 len = snprintf(buf, 16, "%.*s\n",
1315 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1316 dev->supplement_adapter_info.mfg_pcba_serial_no);
1317
1318 return min(len, 16);
1319 }
1320
1321 static ssize_t aac_show_max_channel(struct device *device,
1322 struct device_attribute *attr, char *buf)
1323 {
1324 return snprintf(buf, PAGE_SIZE, "%d\n",
1325 class_to_shost(device)->max_channel);
1326 }
1327
1328 static ssize_t aac_show_max_id(struct device *device,
1329 struct device_attribute *attr, char *buf)
1330 {
1331 return snprintf(buf, PAGE_SIZE, "%d\n",
1332 class_to_shost(device)->max_id);
1333 }
1334
1335 static ssize_t aac_store_reset_adapter(struct device *device,
1336 struct device_attribute *attr,
1337 const char *buf, size_t count)
1338 {
1339 int retval = -EACCES;
1340
1341 if (!capable(CAP_SYS_ADMIN))
1342 return retval;
1343
1344 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1345 buf[0] == '!', IOP_HWSOFT_RESET);
1346 if (retval >= 0)
1347 retval = count;
1348
1349 return retval;
1350 }
1351
1352 static ssize_t aac_show_reset_adapter(struct device *device,
1353 struct device_attribute *attr,
1354 char *buf)
1355 {
1356 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1357 int len, tmp;
1358
1359 tmp = aac_adapter_check_health(dev);
1360 if ((tmp == 0) && dev->in_reset)
1361 tmp = -EBUSY;
1362 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1363 return len;
1364 }
1365
1366 static struct device_attribute aac_model = {
1367 .attr = {
1368 .name = "model",
1369 .mode = S_IRUGO,
1370 },
1371 .show = aac_show_model,
1372 };
1373 static struct device_attribute aac_vendor = {
1374 .attr = {
1375 .name = "vendor",
1376 .mode = S_IRUGO,
1377 },
1378 .show = aac_show_vendor,
1379 };
1380 static struct device_attribute aac_flags = {
1381 .attr = {
1382 .name = "flags",
1383 .mode = S_IRUGO,
1384 },
1385 .show = aac_show_flags,
1386 };
1387 static struct device_attribute aac_kernel_version = {
1388 .attr = {
1389 .name = "hba_kernel_version",
1390 .mode = S_IRUGO,
1391 },
1392 .show = aac_show_kernel_version,
1393 };
1394 static struct device_attribute aac_monitor_version = {
1395 .attr = {
1396 .name = "hba_monitor_version",
1397 .mode = S_IRUGO,
1398 },
1399 .show = aac_show_monitor_version,
1400 };
1401 static struct device_attribute aac_bios_version = {
1402 .attr = {
1403 .name = "hba_bios_version",
1404 .mode = S_IRUGO,
1405 },
1406 .show = aac_show_bios_version,
1407 };
1408 static struct device_attribute aac_lld_version = {
1409 .attr = {
1410 .name = "driver_version",
1411 .mode = 0444,
1412 },
1413 .show = aac_show_driver_version,
1414 };
1415 static struct device_attribute aac_serial_number = {
1416 .attr = {
1417 .name = "serial_number",
1418 .mode = S_IRUGO,
1419 },
1420 .show = aac_show_serial_number,
1421 };
1422 static struct device_attribute aac_max_channel = {
1423 .attr = {
1424 .name = "max_channel",
1425 .mode = S_IRUGO,
1426 },
1427 .show = aac_show_max_channel,
1428 };
1429 static struct device_attribute aac_max_id = {
1430 .attr = {
1431 .name = "max_id",
1432 .mode = S_IRUGO,
1433 },
1434 .show = aac_show_max_id,
1435 };
1436 static struct device_attribute aac_reset = {
1437 .attr = {
1438 .name = "reset_host",
1439 .mode = S_IWUSR|S_IRUGO,
1440 },
1441 .store = aac_store_reset_adapter,
1442 .show = aac_show_reset_adapter,
1443 };
1444
1445 static struct device_attribute *aac_attrs[] = {
1446 &aac_model,
1447 &aac_vendor,
1448 &aac_flags,
1449 &aac_kernel_version,
1450 &aac_monitor_version,
1451 &aac_bios_version,
1452 &aac_lld_version,
1453 &aac_serial_number,
1454 &aac_max_channel,
1455 &aac_max_id,
1456 &aac_reset,
1457 NULL
1458 };
1459
1460 ssize_t aac_get_serial_number(struct device *device, char *buf)
1461 {
1462 return aac_show_serial_number(device, &aac_serial_number, buf);
1463 }
1464
1465 static const struct file_operations aac_cfg_fops = {
1466 .owner = THIS_MODULE,
1467 .unlocked_ioctl = aac_cfg_ioctl,
1468 #ifdef CONFIG_COMPAT
1469 .compat_ioctl = aac_cfg_ioctl,
1470 #endif
1471 .open = aac_cfg_open,
1472 .llseek = noop_llseek,
1473 };
1474
1475 static struct scsi_host_template aac_driver_template = {
1476 .module = THIS_MODULE,
1477 .name = "AAC",
1478 .proc_name = AAC_DRIVERNAME,
1479 .info = aac_info,
1480 .ioctl = aac_ioctl,
1481 #ifdef CONFIG_COMPAT
1482 .compat_ioctl = aac_ioctl,
1483 #endif
1484 .queuecommand = aac_queuecommand,
1485 .bios_param = aac_biosparm,
1486 .shost_attrs = aac_attrs,
1487 .slave_configure = aac_slave_configure,
1488 .change_queue_depth = aac_change_queue_depth,
1489 .sdev_attrs = aac_dev_attrs,
1490 .eh_abort_handler = aac_eh_abort,
1491 .eh_device_reset_handler = aac_eh_dev_reset,
1492 .eh_target_reset_handler = aac_eh_target_reset,
1493 .eh_bus_reset_handler = aac_eh_bus_reset,
1494 .eh_host_reset_handler = aac_eh_host_reset,
1495 .can_queue = AAC_NUM_IO_FIB,
1496 .this_id = MAXIMUM_NUM_CONTAINERS,
1497 .sg_tablesize = 16,
1498 .max_sectors = 128,
1499 #if (AAC_NUM_IO_FIB > 256)
1500 .cmd_per_lun = 256,
1501 #else
1502 .cmd_per_lun = AAC_NUM_IO_FIB,
1503 #endif
1504 .emulated = 1,
1505 .no_write_same = 1,
1506 };
1507
1508 static void __aac_shutdown(struct aac_dev * aac)
1509 {
1510 int i;
1511
1512 mutex_lock(&aac->ioctl_mutex);
1513 aac->adapter_shutdown = 1;
1514 mutex_unlock(&aac->ioctl_mutex);
1515
1516 if (aac->aif_thread) {
1517 int i;
1518 /* Clear out events first */
1519 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1520 struct fib *fib = &aac->fibs[i];
1521 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1522 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1523 complete(&fib->event_wait);
1524 }
1525 kthread_stop(aac->thread);
1526 aac->thread = NULL;
1527 }
1528
1529 aac_send_shutdown(aac);
1530
1531 aac_adapter_disable_int(aac);
1532
1533 if (aac_is_src(aac)) {
1534 if (aac->max_msix > 1) {
1535 for (i = 0; i < aac->max_msix; i++) {
1536 free_irq(pci_irq_vector(aac->pdev, i),
1537 &(aac->aac_msix[i]));
1538 }
1539 } else {
1540 free_irq(aac->pdev->irq,
1541 &(aac->aac_msix[0]));
1542 }
1543 } else {
1544 free_irq(aac->pdev->irq, aac);
1545 }
1546 if (aac->msi)
1547 pci_disable_msi(aac->pdev);
1548 else if (aac->max_msix > 1)
1549 pci_disable_msix(aac->pdev);
1550 }
1551 static void aac_init_char(void)
1552 {
1553 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1554 if (aac_cfg_major < 0) {
1555 pr_err("aacraid: unable to register \"aac\" device.\n");
1556 }
1557 }
1558
1559 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1560 {
1561 /*
1562 * Firmware may send a AIF messages very early and the Driver may have
1563 * ignored as it is not fully ready to process the messages. Send
1564 * AIF to firmware so that if there are any unprocessed events they
1565 * can be processed now.
1566 */
1567 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1568 aac_intr_normal(aac, 0, 2, 0, NULL);
1569
1570 }
1571
1572 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1573 {
1574 unsigned index = id->driver_data;
1575 struct Scsi_Host *shost;
1576 struct aac_dev *aac;
1577 struct list_head *insert = &aac_devices;
1578 int error;
1579 int unique_id = 0;
1580 u64 dmamask;
1581 int mask_bits = 0;
1582 extern int aac_sync_mode;
1583
1584 /*
1585 * Only series 7 needs freset.
1586 */
1587 if (pdev->device == PMC_DEVICE_S7)
1588 pdev->needs_freset = 1;
1589
1590 list_for_each_entry(aac, &aac_devices, entry) {
1591 if (aac->id > unique_id)
1592 break;
1593 insert = &aac->entry;
1594 unique_id++;
1595 }
1596
1597 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1598 PCIE_LINK_STATE_CLKPM);
1599
1600 error = pci_enable_device(pdev);
1601 if (error)
1602 goto out;
1603
1604 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1605 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
1606 if (error) {
1607 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1608 goto out_disable_pdev;
1609 }
1610 }
1611
1612 /*
1613 * If the quirk31 bit is set, the adapter needs adapter
1614 * to driver communication memory to be allocated below 2gig
1615 */
1616 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1617 dmamask = DMA_BIT_MASK(31);
1618 mask_bits = 31;
1619 } else {
1620 dmamask = DMA_BIT_MASK(32);
1621 mask_bits = 32;
1622 }
1623
1624 error = dma_set_coherent_mask(&pdev->dev, dmamask);
1625 if (error) {
1626 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1627 , mask_bits);
1628 goto out_disable_pdev;
1629 }
1630
1631 pci_set_master(pdev);
1632
1633 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1634 if (!shost) {
1635 error = -ENOMEM;
1636 goto out_disable_pdev;
1637 }
1638
1639 shost->irq = pdev->irq;
1640 shost->unique_id = unique_id;
1641 shost->max_cmd_len = 16;
1642
1643 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1644 aac_init_char();
1645
1646 aac = (struct aac_dev *)shost->hostdata;
1647 aac->base_start = pci_resource_start(pdev, 0);
1648 aac->scsi_host_ptr = shost;
1649 aac->pdev = pdev;
1650 aac->name = aac_driver_template.name;
1651 aac->id = shost->unique_id;
1652 aac->cardtype = index;
1653 INIT_LIST_HEAD(&aac->entry);
1654
1655 if (aac_reset_devices || reset_devices)
1656 aac->init_reset = true;
1657
1658 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1659 sizeof(struct fib),
1660 GFP_KERNEL);
1661 if (!aac->fibs) {
1662 error = -ENOMEM;
1663 goto out_free_host;
1664 }
1665
1666 spin_lock_init(&aac->fib_lock);
1667
1668 mutex_init(&aac->ioctl_mutex);
1669 mutex_init(&aac->scan_mutex);
1670
1671 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1672 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1673 aac_src_reinit_aif_worker);
1674 /*
1675 * Map in the registers from the adapter.
1676 */
1677 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1678 if ((*aac_drivers[index].init)(aac)) {
1679 error = -ENODEV;
1680 goto out_unmap;
1681 }
1682
1683 if (aac->sync_mode) {
1684 if (aac_sync_mode)
1685 printk(KERN_INFO "%s%d: Sync. mode enforced "
1686 "by driver parameter. This will cause "
1687 "a significant performance decrease!\n",
1688 aac->name,
1689 aac->id);
1690 else
1691 printk(KERN_INFO "%s%d: Async. mode not supported "
1692 "by current driver, sync. mode enforced."
1693 "\nPlease update driver to get full performance.\n",
1694 aac->name,
1695 aac->id);
1696 }
1697
1698 /*
1699 * Start any kernel threads needed
1700 */
1701 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1702 if (IS_ERR(aac->thread)) {
1703 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1704 error = PTR_ERR(aac->thread);
1705 aac->thread = NULL;
1706 goto out_deinit;
1707 }
1708
1709 aac->maximum_num_channels = aac_drivers[index].channels;
1710 error = aac_get_adapter_info(aac);
1711 if (error < 0)
1712 goto out_deinit;
1713
1714 /*
1715 * Lets override negotiations and drop the maximum SG limit to 34
1716 */
1717 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1718 (shost->sg_tablesize > 34)) {
1719 shost->sg_tablesize = 34;
1720 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1721 }
1722
1723 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1724 (shost->sg_tablesize > 17)) {
1725 shost->sg_tablesize = 17;
1726 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1727 }
1728
1729 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1730 shost->max_segment_size = shost->max_sectors << 9;
1731 else
1732 shost->max_segment_size = 65536;
1733
1734 /*
1735 * Firmware printf works only with older firmware.
1736 */
1737 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1738 aac->printf_enabled = 1;
1739 else
1740 aac->printf_enabled = 0;
1741
1742 /*
1743 * max channel will be the physical channels plus 1 virtual channel
1744 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1745 * physical channels are address by their actual physical number+1
1746 */
1747 if (aac->nondasd_support || expose_physicals || aac->jbod)
1748 shost->max_channel = aac->maximum_num_channels;
1749 else
1750 shost->max_channel = 0;
1751
1752 aac_get_config_status(aac, 0);
1753 aac_get_containers(aac);
1754 list_add(&aac->entry, insert);
1755
1756 shost->max_id = aac->maximum_num_containers;
1757 if (shost->max_id < aac->maximum_num_physicals)
1758 shost->max_id = aac->maximum_num_physicals;
1759 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1760 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1761 else
1762 shost->this_id = shost->max_id;
1763
1764 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1765 aac_intr_normal(aac, 0, 2, 0, NULL);
1766
1767 /*
1768 * dmb - we may need to move the setting of these parms somewhere else once
1769 * we get a fib that can report the actual numbers
1770 */
1771 shost->max_lun = AAC_MAX_LUN;
1772
1773 pci_set_drvdata(pdev, shost);
1774
1775 error = scsi_add_host(shost, &pdev->dev);
1776 if (error)
1777 goto out_deinit;
1778
1779 aac_scan_host(aac);
1780
1781 pci_enable_pcie_error_reporting(pdev);
1782 pci_save_state(pdev);
1783
1784 return 0;
1785
1786 out_deinit:
1787 __aac_shutdown(aac);
1788 out_unmap:
1789 aac_fib_map_free(aac);
1790 if (aac->comm_addr)
1791 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1792 aac->comm_addr, aac->comm_phys);
1793 kfree(aac->queues);
1794 aac_adapter_ioremap(aac, 0);
1795 kfree(aac->fibs);
1796 kfree(aac->fsa_dev);
1797 out_free_host:
1798 scsi_host_put(shost);
1799 out_disable_pdev:
1800 pci_disable_device(pdev);
1801 out:
1802 return error;
1803 }
1804
1805 static void aac_release_resources(struct aac_dev *aac)
1806 {
1807 aac_adapter_disable_int(aac);
1808 aac_free_irq(aac);
1809 }
1810
1811 static int aac_acquire_resources(struct aac_dev *dev)
1812 {
1813 unsigned long status;
1814 /*
1815 * First clear out all interrupts. Then enable the one's that we
1816 * can handle.
1817 */
1818 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1819 || status == 0xffffffff)
1820 msleep(20);
1821
1822 aac_adapter_disable_int(dev);
1823 aac_adapter_enable_int(dev);
1824
1825
1826 if (aac_is_src(dev))
1827 aac_define_int_mode(dev);
1828
1829 if (dev->msi_enabled)
1830 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1831
1832 if (aac_acquire_irq(dev))
1833 goto error_iounmap;
1834
1835 aac_adapter_enable_int(dev);
1836
1837 /*max msix may change after EEH
1838 * Re-assign vectors to fibs
1839 */
1840 aac_fib_vector_assign(dev);
1841
1842 if (!dev->sync_mode) {
1843 /* After EEH recovery or suspend resume, max_msix count
1844 * may change, therefore updating in init as well.
1845 */
1846 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1847 aac_adapter_start(dev);
1848 }
1849 return 0;
1850
1851 error_iounmap:
1852 return -1;
1853
1854 }
1855
1856 static int __maybe_unused aac_suspend(struct device *dev)
1857 {
1858 struct Scsi_Host *shost = dev_get_drvdata(dev);
1859 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1860
1861 scsi_host_block(shost);
1862 aac_cancel_rescan_worker(aac);
1863 aac_send_shutdown(aac);
1864
1865 aac_release_resources(aac);
1866
1867 return 0;
1868 }
1869
1870 static int __maybe_unused aac_resume(struct device *dev)
1871 {
1872 struct Scsi_Host *shost = dev_get_drvdata(dev);
1873 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1874
1875 if (aac_acquire_resources(aac))
1876 goto fail_device;
1877 /*
1878 * reset this flag to unblock ioctl() as it was set at
1879 * aac_send_shutdown() to block ioctls from upperlayer
1880 */
1881 aac->adapter_shutdown = 0;
1882 scsi_host_unblock(shost, SDEV_RUNNING);
1883
1884 return 0;
1885
1886 fail_device:
1887 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1888 scsi_host_put(shost);
1889 return -ENODEV;
1890 }
1891
1892 static void aac_shutdown(struct pci_dev *dev)
1893 {
1894 struct Scsi_Host *shost = pci_get_drvdata(dev);
1895
1896 scsi_host_block(shost);
1897 __aac_shutdown((struct aac_dev *)shost->hostdata);
1898 }
1899
1900 static void aac_remove_one(struct pci_dev *pdev)
1901 {
1902 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1903 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1904
1905 aac_cancel_rescan_worker(aac);
1906 scsi_remove_host(shost);
1907
1908 __aac_shutdown(aac);
1909 aac_fib_map_free(aac);
1910 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1911 aac->comm_phys);
1912 kfree(aac->queues);
1913
1914 aac_adapter_ioremap(aac, 0);
1915
1916 kfree(aac->fibs);
1917 kfree(aac->fsa_dev);
1918
1919 list_del(&aac->entry);
1920 scsi_host_put(shost);
1921 pci_disable_device(pdev);
1922 if (list_empty(&aac_devices)) {
1923 unregister_chrdev(aac_cfg_major, "aac");
1924 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1925 }
1926 }
1927
1928 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1929 pci_channel_state_t error)
1930 {
1931 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1932 struct aac_dev *aac = shost_priv(shost);
1933
1934 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1935
1936 switch (error) {
1937 case pci_channel_io_normal:
1938 return PCI_ERS_RESULT_CAN_RECOVER;
1939 case pci_channel_io_frozen:
1940 aac->handle_pci_error = 1;
1941
1942 scsi_host_block(shost);
1943 aac_cancel_rescan_worker(aac);
1944 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1945 aac_release_resources(aac);
1946
1947 pci_disable_pcie_error_reporting(pdev);
1948 aac_adapter_ioremap(aac, 0);
1949
1950 return PCI_ERS_RESULT_NEED_RESET;
1951 case pci_channel_io_perm_failure:
1952 aac->handle_pci_error = 1;
1953
1954 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1955 return PCI_ERS_RESULT_DISCONNECT;
1956 }
1957
1958 return PCI_ERS_RESULT_NEED_RESET;
1959 }
1960
1961 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1962 {
1963 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1964 return PCI_ERS_RESULT_NEED_RESET;
1965 }
1966
1967 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1968 {
1969 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1970 pci_restore_state(pdev);
1971 if (pci_enable_device(pdev)) {
1972 dev_warn(&pdev->dev,
1973 "aacraid: failed to enable slave\n");
1974 goto fail_device;
1975 }
1976
1977 pci_set_master(pdev);
1978
1979 if (pci_enable_device_mem(pdev)) {
1980 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1981 goto fail_device;
1982 }
1983
1984 return PCI_ERS_RESULT_RECOVERED;
1985
1986 fail_device:
1987 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1988 return PCI_ERS_RESULT_DISCONNECT;
1989 }
1990
1991
1992 static void aac_pci_resume(struct pci_dev *pdev)
1993 {
1994 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1995 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1996
1997 if (aac_adapter_ioremap(aac, aac->base_size)) {
1998
1999 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2000 /* remap failed, go back ... */
2001 aac->comm_interface = AAC_COMM_PRODUCER;
2002 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2003 dev_warn(&pdev->dev,
2004 "aacraid: unable to map adapter.\n");
2005
2006 return;
2007 }
2008 }
2009
2010 msleep(10000);
2011
2012 aac_acquire_resources(aac);
2013
2014 /*
2015 * reset this flag to unblock ioctl() as it was set
2016 * at aac_send_shutdown() to block ioctls from upperlayer
2017 */
2018 aac->adapter_shutdown = 0;
2019 aac->handle_pci_error = 0;
2020
2021 scsi_host_unblock(shost, SDEV_RUNNING);
2022 aac_scan_host(aac);
2023 pci_save_state(pdev);
2024
2025 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2026 }
2027
2028 static struct pci_error_handlers aac_pci_err_handler = {
2029 .error_detected = aac_pci_error_detected,
2030 .mmio_enabled = aac_pci_mmio_enabled,
2031 .slot_reset = aac_pci_slot_reset,
2032 .resume = aac_pci_resume,
2033 };
2034
2035 static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
2036
2037 static struct pci_driver aac_pci_driver = {
2038 .name = AAC_DRIVERNAME,
2039 .id_table = aac_pci_tbl,
2040 .probe = aac_probe_one,
2041 .remove = aac_remove_one,
2042 .driver.pm = &aac_pm_ops,
2043 .shutdown = aac_shutdown,
2044 .err_handler = &aac_pci_err_handler,
2045 };
2046
2047 static int __init aac_init(void)
2048 {
2049 int error;
2050
2051 printk(KERN_INFO "Adaptec %s driver %s\n",
2052 AAC_DRIVERNAME, aac_driver_version);
2053
2054 error = pci_register_driver(&aac_pci_driver);
2055 if (error < 0)
2056 return error;
2057
2058 aac_init_char();
2059
2060
2061 return 0;
2062 }
2063
2064 static void __exit aac_exit(void)
2065 {
2066 if (aac_cfg_major > -1)
2067 unregister_chrdev(aac_cfg_major, "aac");
2068 pci_unregister_driver(&aac_pci_driver);
2069 }
2070
2071 module_init(aac_init);
2072 module_exit(aac_exit);
Linux with added FPC-III support