1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Adaptec AAC series RAID controller driver
4 * (c) Copyright 2001 Red Hat Inc.
5 *
6 * based on the old aacraid driver that is..
7 * Adaptec aacraid device driver for Linux.
8 *
9 * Copyright (c) 2000-2010 Adaptec, Inc.
10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
12 *
13 * Module Name:
14 * linit.c
15 *
16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
17 */
18
19
20 #include <linux/compat.h>
21 #include <linux/blkdev.h>
22 #include <linux/completion.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/pci.h>
29 #include <linux/slab.h>
30 #include <linux/mutex.h>
31 #include <linux/spinlock.h>
32 #include <linux/syscalls.h>
33 #include <linux/delay.h>
34 #include <linux/kthread.h>
35 #include <linux/msdos_partition.h>
36
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_cmnd.h>
39 #include <scsi/scsi_device.h>
40 #include <scsi/scsi_host.h>
41 #include <scsi/scsi_tcq.h>
42 #include <scsi/scsicam.h>
43 #include <scsi/scsi_eh.h>
44
45 #include "aacraid.h"
46
47 #define AAC_DRIVER_VERSION "1.2.1"
48 #ifndef AAC_DRIVER_BRANCH
49 #define AAC_DRIVER_BRANCH ""
50 #endif
51 #define AAC_DRIVERNAME "aacraid"
52
53 #ifdef AAC_DRIVER_BUILD
54 #define _str(x) #x
55 #define str(x) _str(x)
56 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
57 #else
58 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
59 #endif
60
61 MODULE_AUTHOR("Red Hat Inc and Adaptec");
62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
63 "Adaptec Advanced Raid Products, "
64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
65 MODULE_LICENSE("GPL");
66 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
67
68 static DEFINE_MUTEX(aac_mutex);
69 static LIST_HEAD(aac_devices);
70 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
71 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
72
73 /*
74 * Because of the way Linux names scsi devices, the order in this table has
75 * become important. Check for on-board Raid first, add-in cards second.
76 *
77 * Note: The last field is used to index into aac_drivers below.
78 */
79 static const struct pci_device_id aac_pci_tbl[] = {
80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
96
97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
135
136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
141
142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
150 { 0,}
151 };
152 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
153
154 /*
155 * dmb - For now we add the number of channels to this structure.
156 * In the future we should add a fib that reports the number of channels
157 * for the card. At that time we can remove the channels from here
158 */
159 static struct aac_driver_ident aac_drivers[] = {
160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
176
177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
213
214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
219
220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
228 };
229
230 /**
231 * aac_queuecommand - queue a SCSI command
232 * @shost: Scsi host to queue command on
233 * @cmd: SCSI command to queue
234 *
235 * Queues a command for execution by the associated Host Adapter.
236 *
237 * TODO: unify with aac_scsi_cmd().
238 */
239
aac_queuecommand(struct Scsi_Host * shost,struct scsi_cmnd * cmd)240 static int aac_queuecommand(struct Scsi_Host *shost,
241 struct scsi_cmnd *cmd)
242 {
243 aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL;
244
245 return aac_scsi_cmd(cmd) ? FAILED : 0;
246 }
247
248 /**
249 * aac_info - Returns the host adapter name
250 * @shost: Scsi host to report on
251 *
252 * Returns a static string describing the device in question
253 */
254
aac_info(struct Scsi_Host * shost)255 static const char *aac_info(struct Scsi_Host *shost)
256 {
257 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
258 return aac_drivers[dev->cardtype].name;
259 }
260
261 /**
262 * aac_get_driver_ident
263 * @devtype: index into lookup table
264 *
265 * Returns a pointer to the entry in the driver lookup table.
266 */
267
aac_get_driver_ident(int devtype)268 struct aac_driver_ident* aac_get_driver_ident(int devtype)
269 {
270 return &aac_drivers[devtype];
271 }
272
273 /**
274 * aac_biosparm - return BIOS parameters for disk
275 * @sdev: The scsi device corresponding to the disk
276 * @bdev: the block device corresponding to the disk
277 * @capacity: the sector capacity of the disk
278 * @geom: geometry block to fill in
279 *
280 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
281 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
282 * number of cylinders so as not to exceed drive capacity. In order for
283 * disks equal to or larger than 1 GB to be addressable by the BIOS
284 * without exceeding the BIOS limitation of 1024 cylinders, Extended
285 * Translation should be enabled. With Extended Translation enabled,
286 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
287 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
288 * are given a disk geometry of 255 heads and 63 sectors. However, if
289 * the BIOS detects that the Extended Translation setting does not match
290 * the geometry in the partition table, then the translation inferred
291 * from the partition table will be used by the BIOS, and a warning may
292 * be displayed.
293 */
294
aac_biosparm(struct scsi_device * sdev,struct block_device * bdev,sector_t capacity,int * geom)295 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
296 sector_t capacity, int *geom)
297 {
298 struct diskparm *param = (struct diskparm *)geom;
299 unsigned char *buf;
300
301 dprintk((KERN_DEBUG "aac_biosparm.\n"));
302
303 /*
304 * Assuming extended translation is enabled - #REVISIT#
305 */
306 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
307 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
308 param->heads = 255;
309 param->sectors = 63;
310 } else {
311 param->heads = 128;
312 param->sectors = 32;
313 }
314 } else {
315 param->heads = 64;
316 param->sectors = 32;
317 }
318
319 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
320
321 /*
322 * Read the first 1024 bytes from the disk device, if the boot
323 * sector partition table is valid, search for a partition table
324 * entry whose end_head matches one of the standard geometry
325 * translations ( 64/32, 128/32, 255/63 ).
326 */
327 buf = scsi_bios_ptable(bdev);
328 if (!buf)
329 return 0;
330 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
331 struct msdos_partition *first = (struct msdos_partition *)buf;
332 struct msdos_partition *entry = first;
333 int saved_cylinders = param->cylinders;
334 int num;
335 unsigned char end_head, end_sec;
336
337 for(num = 0; num < 4; num++) {
338 end_head = entry->end_head;
339 end_sec = entry->end_sector & 0x3f;
340
341 if(end_head == 63) {
342 param->heads = 64;
343 param->sectors = 32;
344 break;
345 } else if(end_head == 127) {
346 param->heads = 128;
347 param->sectors = 32;
348 break;
349 } else if(end_head == 254) {
350 param->heads = 255;
351 param->sectors = 63;
352 break;
353 }
354 entry++;
355 }
356
357 if (num == 4) {
358 end_head = first->end_head;
359 end_sec = first->end_sector & 0x3f;
360 }
361
362 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
363 if (num < 4 && end_sec == param->sectors) {
364 if (param->cylinders != saved_cylinders) {
365 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
366 param->heads, param->sectors, num));
367 }
368 } else if (end_head > 0 || end_sec > 0) {
369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
370 end_head + 1, end_sec, num));
371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
372 param->heads, param->sectors));
373 }
374 }
375 kfree(buf);
376 return 0;
377 }
378
379 /**
380 * aac_sdev_configure - compute queue depths
381 * @sdev: SCSI device we are considering
382 * @lim: Request queue limits
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
aac_sdev_configure(struct scsi_device * sdev,struct queue_limits * lim)389 static int aac_sdev_configure(struct scsi_device *sdev,
390 struct queue_limits *lim)
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
aac_change_queue_depth(struct scsi_device * sdev,int depth)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
aac_show_raid_level(struct device * dev,struct device_attribute * attr,char * buf)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
aac_show_unique_id(struct device * dev,struct device_attribute * attr,char * buf)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 attribute *aac_dev_attrs[] = {
609 &aac_raid_level_attr.attr,
610 &aac_unique_id_attr.attr,
611 NULL,
612 };
613
614 ATTRIBUTE_GROUPS(aac_dev);
615
aac_ioctl(struct scsi_device * sdev,unsigned int cmd,void __user * arg)616 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
617 void __user *arg)
618 {
619 int retval;
620 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
621 if (!capable(CAP_SYS_RAWIO))
622 return -EPERM;
623 retval = aac_adapter_check_health(dev);
624 if (retval)
625 return -EBUSY;
626 return aac_do_ioctl(dev, cmd, arg);
627 }
628
629 struct fib_count_data {
630 int mlcnt;
631 int llcnt;
632 int ehcnt;
633 int fwcnt;
634 int krlcnt;
635 };
636
fib_count_iter(struct scsi_cmnd * scmnd,void * data)637 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)
638 {
639 struct fib_count_data *fib_count = data;
640
641 switch (aac_priv(scmnd)->owner) {
642 case AAC_OWNER_FIRMWARE:
643 fib_count->fwcnt++;
644 break;
645 case AAC_OWNER_ERROR_HANDLER:
646 fib_count->ehcnt++;
647 break;
648 case AAC_OWNER_LOWLEVEL:
649 fib_count->llcnt++;
650 break;
651 case AAC_OWNER_MIDLEVEL:
652 fib_count->mlcnt++;
653 break;
654 default:
655 fib_count->krlcnt++;
656 break;
657 }
658 return true;
659 }
660
661 /* Called during SCSI EH, so we don't need to block requests */
get_num_of_incomplete_fibs(struct aac_dev * aac)662 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
663 {
664 struct Scsi_Host *shost = aac->scsi_host_ptr;
665 struct device *ctrl_dev;
666 struct fib_count_data fcnt = { };
667
668 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
669
670 ctrl_dev = &aac->pdev->dev;
671
672 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
673 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
674 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
675 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
676 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
677
678 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
679 }
680
aac_eh_abort(struct scsi_cmnd * cmd)681 static int aac_eh_abort(struct scsi_cmnd* cmd)
682 {
683 struct aac_cmd_priv *cmd_priv = aac_priv(cmd);
684 struct scsi_device * dev = cmd->device;
685 struct Scsi_Host * host = dev->host;
686 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
687 int count, found;
688 u32 bus, cid;
689 int ret = FAILED;
690
691 if (aac_adapter_check_health(aac))
692 return ret;
693
694 bus = aac_logical_to_phys(scmd_channel(cmd));
695 cid = scmd_id(cmd);
696 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
697 struct fib *fib;
698 struct aac_hba_tm_req *tmf;
699 int status;
700 u64 address;
701
702 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
703 AAC_DRIVERNAME,
704 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
705
706 found = 0;
707 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
708 fib = &aac->fibs[count];
709 if (*(u8 *)fib->hw_fib_va != 0 &&
710 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
711 (fib->callback_data == cmd)) {
712 found = 1;
713 break;
714 }
715 }
716 if (!found)
717 return ret;
718
719 /* start a HBA_TMF_ABORT_TASK TMF request */
720 fib = aac_fib_alloc(aac);
721 if (!fib)
722 return ret;
723
724 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
725 memset(tmf, 0, sizeof(*tmf));
726 tmf->tmf = HBA_TMF_ABORT_TASK;
727 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
728 tmf->lun[1] = cmd->device->lun;
729
730 address = (u64)fib->hw_error_pa;
731 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
732 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
733 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
734
735 fib->hbacmd_size = sizeof(*tmf);
736 cmd_priv->sent_command = 0;
737
738 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
739 (fib_callback) aac_hba_callback,
740 (void *) cmd);
741 if (status != -EINPROGRESS) {
742 aac_fib_complete(fib);
743 aac_fib_free(fib);
744 return ret;
745 }
746 /* Wait up to 15 secs for completion */
747 for (count = 0; count < 15; ++count) {
748 if (cmd_priv->sent_command) {
749 ret = SUCCESS;
750 break;
751 }
752 msleep(1000);
753 }
754
755 if (ret != SUCCESS)
756 pr_err("%s: Host adapter abort request timed out\n",
757 AAC_DRIVERNAME);
758 } else {
759 pr_err(
760 "%s: Host adapter abort request.\n"
761 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
762 AAC_DRIVERNAME, AAC_DRIVERNAME,
763 host->host_no, sdev_channel(dev), sdev_id(dev),
764 (int)dev->lun);
765 switch (cmd->cmnd[0]) {
766 case SERVICE_ACTION_IN_16:
767 if (!(aac->raw_io_interface) ||
768 !(aac->raw_io_64) ||
769 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
770 break;
771 fallthrough;
772 case INQUIRY:
773 case READ_CAPACITY:
774 /*
775 * Mark associated FIB to not complete,
776 * eh handler does this
777 */
778 for (count = 0;
779 count < (host->can_queue + AAC_NUM_MGT_FIB);
780 ++count) {
781 struct fib *fib = &aac->fibs[count];
782
783 if (fib->hw_fib_va->header.XferState &&
784 (fib->flags & FIB_CONTEXT_FLAG) &&
785 (fib->callback_data == cmd)) {
786 fib->flags |=
787 FIB_CONTEXT_FLAG_TIMED_OUT;
788 cmd_priv->owner =
789 AAC_OWNER_ERROR_HANDLER;
790 ret = SUCCESS;
791 }
792 }
793 break;
794 case TEST_UNIT_READY:
795 /*
796 * Mark associated FIB to not complete,
797 * eh handler does this
798 */
799 for (count = 0;
800 count < (host->can_queue + AAC_NUM_MGT_FIB);
801 ++count) {
802 struct scsi_cmnd *command;
803 struct fib *fib = &aac->fibs[count];
804
805 command = fib->callback_data;
806
807 if ((fib->hw_fib_va->header.XferState &
808 cpu_to_le32
809 (Async | NoResponseExpected)) &&
810 (fib->flags & FIB_CONTEXT_FLAG) &&
811 ((command)) &&
812 (command->device == cmd->device)) {
813 fib->flags |=
814 FIB_CONTEXT_FLAG_TIMED_OUT;
815 aac_priv(command)->owner =
816 AAC_OWNER_ERROR_HANDLER;
817 if (command == cmd)
818 ret = SUCCESS;
819 }
820 }
821 break;
822 }
823 }
824 return ret;
825 }
826
aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info * info,struct fib * fib,u64 tmf_lun)827 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
828 struct fib *fib, u64 tmf_lun)
829 {
830 struct aac_hba_tm_req *tmf;
831 u64 address;
832
833 /* start a HBA_TMF_LUN_RESET TMF request */
834 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
835 memset(tmf, 0, sizeof(*tmf));
836 tmf->tmf = HBA_TMF_LUN_RESET;
837 tmf->it_nexus = info->rmw_nexus;
838 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
839
840 address = (u64)fib->hw_error_pa;
841 tmf->error_ptr_hi = cpu_to_le32
842 ((u32)(address >> 32));
843 tmf->error_ptr_lo = cpu_to_le32
844 ((u32)(address & 0xffffffff));
845 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
846 fib->hbacmd_size = sizeof(*tmf);
847
848 return HBA_IU_TYPE_SCSI_TM_REQ;
849 }
850
aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info * info,struct fib * fib)851 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
852 struct fib *fib)
853 {
854 struct aac_hba_reset_req *rst;
855 u64 address;
856
857 /* already tried, start a hard reset now */
858 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
859 memset(rst, 0, sizeof(*rst));
860 rst->it_nexus = info->rmw_nexus;
861
862 address = (u64)fib->hw_error_pa;
863 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
864 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
865 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
866 fib->hbacmd_size = sizeof(*rst);
867
868 return HBA_IU_TYPE_SATA_REQ;
869 }
870
aac_tmf_callback(void * context,struct fib * fibptr)871 static void aac_tmf_callback(void *context, struct fib *fibptr)
872 {
873 struct aac_hba_resp *err =
874 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
875 struct aac_hba_map_info *info = context;
876 int res;
877
878 switch (err->service_response) {
879 case HBA_RESP_SVCRES_TMF_REJECTED:
880 res = -1;
881 break;
882 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
883 res = 0;
884 break;
885 case HBA_RESP_SVCRES_TMF_COMPLETE:
886 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
887 res = 0;
888 break;
889 default:
890 res = -2;
891 break;
892 }
893 aac_fib_complete(fibptr);
894
895 info->reset_state = res;
896 }
897
898 /*
899 * aac_eh_dev_reset - Device reset command handling
900 * @scsi_cmd: SCSI command block causing the reset
901 *
902 */
aac_eh_dev_reset(struct scsi_cmnd * cmd)903 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
904 {
905 struct scsi_device * dev = cmd->device;
906 struct Scsi_Host * host = dev->host;
907 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
908 struct aac_hba_map_info *info;
909 int count;
910 u32 bus, cid;
911 struct fib *fib;
912 int ret = FAILED;
913 int status;
914 u8 command;
915
916 bus = aac_logical_to_phys(scmd_channel(cmd));
917 cid = scmd_id(cmd);
918
919 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
920 return FAILED;
921
922 info = &aac->hba_map[bus][cid];
923
924 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
925 !(info->reset_state > 0)))
926 return FAILED;
927
928 pr_err("%s: Host device reset request. SCSI hang ?\n",
929 AAC_DRIVERNAME);
930
931 fib = aac_fib_alloc(aac);
932 if (!fib)
933 return ret;
934
935 /* start a HBA_TMF_LUN_RESET TMF request */
936 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
937
938 info->reset_state = 1;
939
940 status = aac_hba_send(command, fib,
941 (fib_callback) aac_tmf_callback,
942 (void *) info);
943 if (status != -EINPROGRESS) {
944 info->reset_state = 0;
945 aac_fib_complete(fib);
946 aac_fib_free(fib);
947 return ret;
948 }
949 /* Wait up to 15 seconds for completion */
950 for (count = 0; count < 15; ++count) {
951 if (info->reset_state == 0) {
952 ret = info->reset_state == 0 ? SUCCESS : FAILED;
953 break;
954 }
955 msleep(1000);
956 }
957
958 return ret;
959 }
960
961 /*
962 * aac_eh_target_reset - Target reset command handling
963 * @scsi_cmd: SCSI command block causing the reset
964 *
965 */
aac_eh_target_reset(struct scsi_cmnd * cmd)966 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
967 {
968 struct scsi_device * dev = cmd->device;
969 struct Scsi_Host * host = dev->host;
970 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
971 struct aac_hba_map_info *info;
972 int count;
973 u32 bus, cid;
974 int ret = FAILED;
975 struct fib *fib;
976 int status;
977 u8 command;
978
979 bus = aac_logical_to_phys(scmd_channel(cmd));
980 cid = scmd_id(cmd);
981
982 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
983 return FAILED;
984
985 info = &aac->hba_map[bus][cid];
986
987 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
988 !(info->reset_state > 0)))
989 return FAILED;
990
991 pr_err("%s: Host target reset request. SCSI hang ?\n",
992 AAC_DRIVERNAME);
993
994 fib = aac_fib_alloc(aac);
995 if (!fib)
996 return ret;
997
998
999 /* already tried, start a hard reset now */
1000 command = aac_eh_tmf_hard_reset_fib(info, fib);
1001
1002 info->reset_state = 2;
1003
1004 status = aac_hba_send(command, fib,
1005 (fib_callback) aac_tmf_callback,
1006 (void *) info);
1007
1008 if (status != -EINPROGRESS) {
1009 info->reset_state = 0;
1010 aac_fib_complete(fib);
1011 aac_fib_free(fib);
1012 return ret;
1013 }
1014
1015 /* Wait up to 15 seconds for completion */
1016 for (count = 0; count < 15; ++count) {
1017 if (info->reset_state <= 0) {
1018 ret = info->reset_state == 0 ? SUCCESS : FAILED;
1019 break;
1020 }
1021 msleep(1000);
1022 }
1023
1024 return ret;
1025 }
1026
1027 /*
1028 * aac_eh_bus_reset - Bus reset command handling
1029 * @scsi_cmd: SCSI command block causing the reset
1030 *
1031 */
aac_eh_bus_reset(struct scsi_cmnd * cmd)1032 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1033 {
1034 struct scsi_device * dev = cmd->device;
1035 struct Scsi_Host * host = dev->host;
1036 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1037 int count;
1038 u32 cmd_bus;
1039 int status = 0;
1040
1041
1042 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1043 /* Mark the assoc. FIB to not complete, eh handler does this */
1044 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1045 struct fib *fib = &aac->fibs[count];
1046
1047 if (fib->hw_fib_va->header.XferState &&
1048 (fib->flags & FIB_CONTEXT_FLAG) &&
1049 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1050 struct aac_hba_map_info *info;
1051 u32 bus, cid;
1052
1053 cmd = (struct scsi_cmnd *)fib->callback_data;
1054 bus = aac_logical_to_phys(scmd_channel(cmd));
1055 if (bus != cmd_bus)
1056 continue;
1057 cid = scmd_id(cmd);
1058 info = &aac->hba_map[bus][cid];
1059 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1060 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1061 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1062 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;
1063 }
1064 }
1065 }
1066
1067 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1068
1069 /*
1070 * Check the health of the controller
1071 */
1072 status = aac_adapter_check_health(aac);
1073 if (status)
1074 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1075
1076 count = get_num_of_incomplete_fibs(aac);
1077 return (count == 0) ? SUCCESS : FAILED;
1078 }
1079
1080 /*
1081 * aac_eh_host_reset - Host reset command handling
1082 * @scsi_cmd: SCSI command block causing the reset
1083 *
1084 */
aac_eh_host_reset(struct scsi_cmnd * cmd)1085 static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1086 {
1087 struct scsi_device * dev = cmd->device;
1088 struct Scsi_Host * host = dev->host;
1089 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1090 int ret = FAILED;
1091 __le32 supported_options2 = 0;
1092 bool is_mu_reset;
1093 bool is_ignore_reset;
1094 bool is_doorbell_reset;
1095
1096 /*
1097 * Check if reset is supported by the firmware
1098 */
1099 supported_options2 = aac->supplement_adapter_info.supported_options2;
1100 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1101 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1102 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1103 /*
1104 * This adapter needs a blind reset, only do so for
1105 * Adapters that support a register, instead of a commanded,
1106 * reset.
1107 */
1108 if ((is_mu_reset || is_doorbell_reset)
1109 && aac_check_reset
1110 && (aac_check_reset != -1 || !is_ignore_reset)) {
1111 /* Bypass wait for command quiesce */
1112 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1113 ret = SUCCESS;
1114 }
1115 /*
1116 * Reset EH state
1117 */
1118 if (ret == SUCCESS) {
1119 int bus, cid;
1120 struct aac_hba_map_info *info;
1121
1122 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1123 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1124 info = &aac->hba_map[bus][cid];
1125 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1126 info->reset_state = 0;
1127 }
1128 }
1129 }
1130 return ret;
1131 }
1132
1133 /**
1134 * aac_cfg_open - open a configuration file
1135 * @inode: inode being opened
1136 * @file: file handle attached
1137 *
1138 * Called when the configuration device is opened. Does the needed
1139 * set up on the handle and then returns
1140 *
1141 * Bugs: This needs extending to check a given adapter is present
1142 * so we can support hot plugging, and to ref count adapters.
1143 */
1144
aac_cfg_open(struct inode * inode,struct file * file)1145 static int aac_cfg_open(struct inode *inode, struct file *file)
1146 {
1147 struct aac_dev *aac;
1148 unsigned minor_number = iminor(inode);
1149 int err = -ENODEV;
1150
1151 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1152 list_for_each_entry(aac, &aac_devices, entry) {
1153 if (aac->id == minor_number) {
1154 file->private_data = aac;
1155 err = 0;
1156 break;
1157 }
1158 }
1159 mutex_unlock(&aac_mutex);
1160
1161 return err;
1162 }
1163
1164 /**
1165 * aac_cfg_ioctl - AAC configuration request
1166 * @file: file handle
1167 * @cmd: ioctl command code
1168 * @arg: argument
1169 *
1170 * Handles a configuration ioctl. Currently this involves wrapping it
1171 * up and feeding it into the nasty windowsalike glue layer.
1172 *
1173 * Bugs: Needs locking against parallel ioctls lower down
1174 * Bugs: Needs to handle hot plugging
1175 */
1176
aac_cfg_ioctl(struct file * file,unsigned int cmd,unsigned long arg)1177 static long aac_cfg_ioctl(struct file *file,
1178 unsigned int cmd, unsigned long arg)
1179 {
1180 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1181
1182 if (!capable(CAP_SYS_RAWIO))
1183 return -EPERM;
1184
1185 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1186 }
1187
aac_show_model(struct device * device,struct device_attribute * attr,char * buf)1188 static ssize_t aac_show_model(struct device *device,
1189 struct device_attribute *attr, char *buf)
1190 {
1191 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1192 int len;
1193
1194 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1195 char *cp = dev->supplement_adapter_info.adapter_type_text;
1196 while (*cp && *cp != ' ')
1197 ++cp;
1198 while (*cp == ' ')
1199 ++cp;
1200 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1201 } else
1202 len = snprintf(buf, PAGE_SIZE, "%s\n",
1203 aac_drivers[dev->cardtype].model);
1204 return len;
1205 }
1206
aac_show_vendor(struct device * device,struct device_attribute * attr,char * buf)1207 static ssize_t aac_show_vendor(struct device *device,
1208 struct device_attribute *attr, char *buf)
1209 {
1210 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1211 struct aac_supplement_adapter_info *sup_adap_info;
1212 int len;
1213
1214 sup_adap_info = &dev->supplement_adapter_info;
1215 if (sup_adap_info->adapter_type_text[0]) {
1216 char *cp = sup_adap_info->adapter_type_text;
1217 while (*cp && *cp != ' ')
1218 ++cp;
1219 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1220 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1221 sup_adap_info->adapter_type_text);
1222 } else
1223 len = snprintf(buf, PAGE_SIZE, "%s\n",
1224 aac_drivers[dev->cardtype].vname);
1225 return len;
1226 }
1227
aac_show_flags(struct device * cdev,struct device_attribute * attr,char * buf)1228 static ssize_t aac_show_flags(struct device *cdev,
1229 struct device_attribute *attr, char *buf)
1230 {
1231 int len = 0;
1232 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1233
1234 if (nblank(dprintk(x)))
1235 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1236 #ifdef AAC_DETAILED_STATUS_INFO
1237 len += scnprintf(buf + len, PAGE_SIZE - len,
1238 "AAC_DETAILED_STATUS_INFO\n");
1239 #endif
1240 if (dev->raw_io_interface && dev->raw_io_64)
1241 len += scnprintf(buf + len, PAGE_SIZE - len,
1242 "SAI_READ_CAPACITY_16\n");
1243 if (dev->jbod)
1244 len += scnprintf(buf + len, PAGE_SIZE - len,
1245 "SUPPORTED_JBOD\n");
1246 if (dev->supplement_adapter_info.supported_options2 &
1247 AAC_OPTION_POWER_MANAGEMENT)
1248 len += scnprintf(buf + len, PAGE_SIZE - len,
1249 "SUPPORTED_POWER_MANAGEMENT\n");
1250 if (dev->msi)
1251 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1252 return len;
1253 }
1254
aac_show_kernel_version(struct device * device,struct device_attribute * attr,char * buf)1255 static ssize_t aac_show_kernel_version(struct device *device,
1256 struct device_attribute *attr,
1257 char *buf)
1258 {
1259 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1260 int len, tmp;
1261
1262 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1263 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1264 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1265 le32_to_cpu(dev->adapter_info.kernelbuild));
1266 return len;
1267 }
1268
aac_show_monitor_version(struct device * device,struct device_attribute * attr,char * buf)1269 static ssize_t aac_show_monitor_version(struct device *device,
1270 struct device_attribute *attr,
1271 char *buf)
1272 {
1273 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1274 int len, tmp;
1275
1276 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1277 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1278 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1279 le32_to_cpu(dev->adapter_info.monitorbuild));
1280 return len;
1281 }
1282
aac_show_bios_version(struct device * device,struct device_attribute * attr,char * buf)1283 static ssize_t aac_show_bios_version(struct device *device,
1284 struct device_attribute *attr,
1285 char *buf)
1286 {
1287 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1288 int len, tmp;
1289
1290 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1291 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1292 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1293 le32_to_cpu(dev->adapter_info.biosbuild));
1294 return len;
1295 }
1296
aac_show_driver_version(struct device * device,struct device_attribute * attr,char * buf)1297 static ssize_t aac_show_driver_version(struct device *device,
1298 struct device_attribute *attr,
1299 char *buf)
1300 {
1301 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1302 }
1303
aac_show_serial_number(struct device * device,struct device_attribute * attr,char * buf)1304 static ssize_t aac_show_serial_number(struct device *device,
1305 struct device_attribute *attr, char *buf)
1306 {
1307 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1308 int len = 0;
1309
1310 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1311 len = snprintf(buf, 16, "%06X\n",
1312 le32_to_cpu(dev->adapter_info.serial[0]));
1313 if (len &&
1314 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1315 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1316 buf, len-1))
1317 len = snprintf(buf, 16, "%.*s\n",
1318 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1319 dev->supplement_adapter_info.mfg_pcba_serial_no);
1320
1321 return min(len, 16);
1322 }
1323
aac_show_max_channel(struct device * device,struct device_attribute * attr,char * buf)1324 static ssize_t aac_show_max_channel(struct device *device,
1325 struct device_attribute *attr, char *buf)
1326 {
1327 return snprintf(buf, PAGE_SIZE, "%d\n",
1328 class_to_shost(device)->max_channel);
1329 }
1330
aac_show_max_id(struct device * device,struct device_attribute * attr,char * buf)1331 static ssize_t aac_show_max_id(struct device *device,
1332 struct device_attribute *attr, char *buf)
1333 {
1334 return snprintf(buf, PAGE_SIZE, "%d\n",
1335 class_to_shost(device)->max_id);
1336 }
1337
aac_store_reset_adapter(struct device * device,struct device_attribute * attr,const char * buf,size_t count)1338 static ssize_t aac_store_reset_adapter(struct device *device,
1339 struct device_attribute *attr,
1340 const char *buf, size_t count)
1341 {
1342 int retval = -EACCES;
1343
1344 if (!capable(CAP_SYS_ADMIN))
1345 return retval;
1346
1347 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1348 buf[0] == '!', IOP_HWSOFT_RESET);
1349 if (retval >= 0)
1350 retval = count;
1351
1352 return retval;
1353 }
1354
aac_show_reset_adapter(struct device * device,struct device_attribute * attr,char * buf)1355 static ssize_t aac_show_reset_adapter(struct device *device,
1356 struct device_attribute *attr,
1357 char *buf)
1358 {
1359 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1360 int len, tmp;
1361
1362 tmp = aac_adapter_check_health(dev);
1363 if ((tmp == 0) && dev->in_reset)
1364 tmp = -EBUSY;
1365 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1366 return len;
1367 }
1368
1369 static struct device_attribute aac_model = {
1370 .attr = {
1371 .name = "model",
1372 .mode = S_IRUGO,
1373 },
1374 .show = aac_show_model,
1375 };
1376 static struct device_attribute aac_vendor = {
1377 .attr = {
1378 .name = "vendor",
1379 .mode = S_IRUGO,
1380 },
1381 .show = aac_show_vendor,
1382 };
1383 static struct device_attribute aac_flags = {
1384 .attr = {
1385 .name = "flags",
1386 .mode = S_IRUGO,
1387 },
1388 .show = aac_show_flags,
1389 };
1390 static struct device_attribute aac_kernel_version = {
1391 .attr = {
1392 .name = "hba_kernel_version",
1393 .mode = S_IRUGO,
1394 },
1395 .show = aac_show_kernel_version,
1396 };
1397 static struct device_attribute aac_monitor_version = {
1398 .attr = {
1399 .name = "hba_monitor_version",
1400 .mode = S_IRUGO,
1401 },
1402 .show = aac_show_monitor_version,
1403 };
1404 static struct device_attribute aac_bios_version = {
1405 .attr = {
1406 .name = "hba_bios_version",
1407 .mode = S_IRUGO,
1408 },
1409 .show = aac_show_bios_version,
1410 };
1411 static struct device_attribute aac_lld_version = {
1412 .attr = {
1413 .name = "driver_version",
1414 .mode = 0444,
1415 },
1416 .show = aac_show_driver_version,
1417 };
1418 static struct device_attribute aac_serial_number = {
1419 .attr = {
1420 .name = "serial_number",
1421 .mode = S_IRUGO,
1422 },
1423 .show = aac_show_serial_number,
1424 };
1425 static struct device_attribute aac_max_channel = {
1426 .attr = {
1427 .name = "max_channel",
1428 .mode = S_IRUGO,
1429 },
1430 .show = aac_show_max_channel,
1431 };
1432 static struct device_attribute aac_max_id = {
1433 .attr = {
1434 .name = "max_id",
1435 .mode = S_IRUGO,
1436 },
1437 .show = aac_show_max_id,
1438 };
1439 static struct device_attribute aac_reset = {
1440 .attr = {
1441 .name = "reset_host",
1442 .mode = S_IWUSR|S_IRUGO,
1443 },
1444 .store = aac_store_reset_adapter,
1445 .show = aac_show_reset_adapter,
1446 };
1447
1448 static struct attribute *aac_host_attrs[] = {
1449 &aac_model.attr,
1450 &aac_vendor.attr,
1451 &aac_flags.attr,
1452 &aac_kernel_version.attr,
1453 &aac_monitor_version.attr,
1454 &aac_bios_version.attr,
1455 &aac_lld_version.attr,
1456 &aac_serial_number.attr,
1457 &aac_max_channel.attr,
1458 &aac_max_id.attr,
1459 &aac_reset.attr,
1460 NULL
1461 };
1462
1463 ATTRIBUTE_GROUPS(aac_host);
1464
aac_get_serial_number(struct device * device,char * buf)1465 ssize_t aac_get_serial_number(struct device *device, char *buf)
1466 {
1467 return aac_show_serial_number(device, &aac_serial_number, buf);
1468 }
1469
1470 static const struct file_operations aac_cfg_fops = {
1471 .owner = THIS_MODULE,
1472 .unlocked_ioctl = aac_cfg_ioctl,
1473 #ifdef CONFIG_COMPAT
1474 .compat_ioctl = aac_cfg_ioctl,
1475 #endif
1476 .open = aac_cfg_open,
1477 .llseek = noop_llseek,
1478 };
1479
1480 static const struct scsi_host_template aac_driver_template = {
1481 .module = THIS_MODULE,
1482 .name = "AAC",
1483 .proc_name = AAC_DRIVERNAME,
1484 .info = aac_info,
1485 .ioctl = aac_ioctl,
1486 #ifdef CONFIG_COMPAT
1487 .compat_ioctl = aac_ioctl,
1488 #endif
1489 .queuecommand = aac_queuecommand,
1490 .bios_param = aac_biosparm,
1491 .shost_groups = aac_host_groups,
1492 .sdev_configure = aac_sdev_configure,
1493 .change_queue_depth = aac_change_queue_depth,
1494 .sdev_groups = aac_dev_groups,
1495 .eh_abort_handler = aac_eh_abort,
1496 .eh_device_reset_handler = aac_eh_dev_reset,
1497 .eh_target_reset_handler = aac_eh_target_reset,
1498 .eh_bus_reset_handler = aac_eh_bus_reset,
1499 .eh_host_reset_handler = aac_eh_host_reset,
1500 .can_queue = AAC_NUM_IO_FIB,
1501 .this_id = MAXIMUM_NUM_CONTAINERS,
1502 .sg_tablesize = 16,
1503 .max_sectors = 128,
1504 #if (AAC_NUM_IO_FIB > 256)
1505 .cmd_per_lun = 256,
1506 #else
1507 .cmd_per_lun = AAC_NUM_IO_FIB,
1508 #endif
1509 .emulated = 1,
1510 .no_write_same = 1,
1511 .cmd_size = sizeof(struct aac_cmd_priv),
1512 };
1513
__aac_shutdown(struct aac_dev * aac)1514 static void __aac_shutdown(struct aac_dev * aac)
1515 {
1516 int i;
1517
1518 mutex_lock(&aac->ioctl_mutex);
1519 aac->adapter_shutdown = 1;
1520 mutex_unlock(&aac->ioctl_mutex);
1521
1522 if (aac->aif_thread) {
1523 int i;
1524 /* Clear out events first */
1525 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1526 struct fib *fib = &aac->fibs[i];
1527 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1528 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1529 complete(&fib->event_wait);
1530 }
1531 kthread_stop(aac->thread);
1532 aac->thread = NULL;
1533 }
1534
1535 aac_send_shutdown(aac);
1536
1537 aac_adapter_disable_int(aac);
1538
1539 if (aac_is_src(aac)) {
1540 if (aac->max_msix > 1) {
1541 for (i = 0; i < aac->max_msix; i++) {
1542 free_irq(pci_irq_vector(aac->pdev, i),
1543 &(aac->aac_msix[i]));
1544 }
1545 } else {
1546 free_irq(aac->pdev->irq,
1547 &(aac->aac_msix[0]));
1548 }
1549 } else {
1550 free_irq(aac->pdev->irq, aac);
1551 }
1552 if (aac->msi)
1553 pci_disable_msi(aac->pdev);
1554 else if (aac->max_msix > 1)
1555 pci_disable_msix(aac->pdev);
1556 }
aac_init_char(void)1557 static void aac_init_char(void)
1558 {
1559 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1560 if (aac_cfg_major < 0) {
1561 pr_err("aacraid: unable to register \"aac\" device.\n");
1562 }
1563 }
1564
aac_reinit_aif(struct aac_dev * aac,unsigned int index)1565 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1566 {
1567 /*
1568 * Firmware may send a AIF messages very early and the Driver may have
1569 * ignored as it is not fully ready to process the messages. Send
1570 * AIF to firmware so that if there are any unprocessed events they
1571 * can be processed now.
1572 */
1573 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1574 aac_intr_normal(aac, 0, 2, 0, NULL);
1575
1576 }
1577
aac_probe_one(struct pci_dev * pdev,const struct pci_device_id * id)1578 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1579 {
1580 unsigned index = id->driver_data;
1581 struct Scsi_Host *shost;
1582 struct aac_dev *aac;
1583 struct list_head *insert = &aac_devices;
1584 int error;
1585 int unique_id = 0;
1586 u64 dmamask;
1587 int mask_bits = 0;
1588 extern int aac_sync_mode;
1589
1590 /*
1591 * Only series 7 needs freset.
1592 */
1593 if (pdev->device == PMC_DEVICE_S7)
1594 pdev->needs_freset = 1;
1595
1596 list_for_each_entry(aac, &aac_devices, entry) {
1597 if (aac->id > unique_id)
1598 break;
1599 insert = &aac->entry;
1600 unique_id++;
1601 }
1602
1603 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1604 PCIE_LINK_STATE_CLKPM);
1605
1606 error = pci_enable_device(pdev);
1607 if (error)
1608 goto out;
1609
1610 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1611 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
1612 if (error) {
1613 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1614 goto out_disable_pdev;
1615 }
1616 }
1617
1618 /*
1619 * If the quirk31 bit is set, the adapter needs adapter
1620 * to driver communication memory to be allocated below 2gig
1621 */
1622 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1623 dmamask = DMA_BIT_MASK(31);
1624 mask_bits = 31;
1625 } else {
1626 dmamask = DMA_BIT_MASK(32);
1627 mask_bits = 32;
1628 }
1629
1630 error = dma_set_coherent_mask(&pdev->dev, dmamask);
1631 if (error) {
1632 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1633 , mask_bits);
1634 goto out_disable_pdev;
1635 }
1636
1637 pci_set_master(pdev);
1638
1639 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1640 if (!shost) {
1641 error = -ENOMEM;
1642 goto out_disable_pdev;
1643 }
1644
1645 shost->irq = pdev->irq;
1646 shost->unique_id = unique_id;
1647 shost->max_cmd_len = 16;
1648
1649 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1650 aac_init_char();
1651
1652 aac = (struct aac_dev *)shost->hostdata;
1653 aac->base_start = pci_resource_start(pdev, 0);
1654 aac->scsi_host_ptr = shost;
1655 aac->pdev = pdev;
1656 aac->name = aac_driver_template.name;
1657 aac->id = shost->unique_id;
1658 aac->cardtype = index;
1659 INIT_LIST_HEAD(&aac->entry);
1660
1661 if (aac_reset_devices || reset_devices)
1662 aac->init_reset = true;
1663
1664 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1665 sizeof(struct fib),
1666 GFP_KERNEL);
1667 if (!aac->fibs) {
1668 error = -ENOMEM;
1669 goto out_free_host;
1670 }
1671
1672 spin_lock_init(&aac->fib_lock);
1673
1674 mutex_init(&aac->ioctl_mutex);
1675 mutex_init(&aac->scan_mutex);
1676
1677 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1678 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1679 aac_src_reinit_aif_worker);
1680 /*
1681 * Map in the registers from the adapter.
1682 */
1683 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1684 if ((*aac_drivers[index].init)(aac)) {
1685 error = -ENODEV;
1686 goto out_unmap;
1687 }
1688
1689 if (aac->sync_mode) {
1690 if (aac_sync_mode)
1691 printk(KERN_INFO "%s%d: Sync. mode enforced "
1692 "by driver parameter. This will cause "
1693 "a significant performance decrease!\n",
1694 aac->name,
1695 aac->id);
1696 else
1697 printk(KERN_INFO "%s%d: Async. mode not supported "
1698 "by current driver, sync. mode enforced."
1699 "\nPlease update driver to get full performance.\n",
1700 aac->name,
1701 aac->id);
1702 }
1703
1704 /*
1705 * Start any kernel threads needed
1706 */
1707 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1708 if (IS_ERR(aac->thread)) {
1709 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1710 error = PTR_ERR(aac->thread);
1711 aac->thread = NULL;
1712 goto out_deinit;
1713 }
1714
1715 aac->maximum_num_channels = aac_drivers[index].channels;
1716 error = aac_get_adapter_info(aac);
1717 if (error < 0)
1718 goto out_deinit;
1719
1720 /*
1721 * Lets override negotiations and drop the maximum SG limit to 34
1722 */
1723 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1724 (shost->sg_tablesize > 34)) {
1725 shost->sg_tablesize = 34;
1726 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1727 }
1728
1729 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1730 (shost->sg_tablesize > 17)) {
1731 shost->sg_tablesize = 17;
1732 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1733 }
1734
1735 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1736 shost->max_segment_size = shost->max_sectors << 9;
1737 else
1738 shost->max_segment_size = 65536;
1739
1740 /*
1741 * Firmware printf works only with older firmware.
1742 */
1743 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1744 aac->printf_enabled = 1;
1745 else
1746 aac->printf_enabled = 0;
1747
1748 /*
1749 * max channel will be the physical channels plus 1 virtual channel
1750 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1751 * physical channels are address by their actual physical number+1
1752 */
1753 if (aac->nondasd_support || expose_physicals || aac->jbod)
1754 shost->max_channel = aac->maximum_num_channels;
1755 else
1756 shost->max_channel = 0;
1757
1758 aac_get_config_status(aac, 0);
1759 aac_get_containers(aac);
1760 list_add(&aac->entry, insert);
1761
1762 shost->max_id = aac->maximum_num_containers;
1763 if (shost->max_id < aac->maximum_num_physicals)
1764 shost->max_id = aac->maximum_num_physicals;
1765 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1766 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1767 else
1768 shost->this_id = shost->max_id;
1769
1770 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1771 aac_intr_normal(aac, 0, 2, 0, NULL);
1772
1773 /*
1774 * dmb - we may need to move the setting of these parms somewhere else once
1775 * we get a fib that can report the actual numbers
1776 */
1777 shost->max_lun = AAC_MAX_LUN;
1778
1779 pci_set_drvdata(pdev, shost);
1780
1781 error = scsi_add_host(shost, &pdev->dev);
1782 if (error)
1783 goto out_deinit;
1784
1785 aac_scan_host(aac);
1786
1787 pci_save_state(pdev);
1788
1789 return 0;
1790
1791 out_deinit:
1792 __aac_shutdown(aac);
1793 out_unmap:
1794 aac_fib_map_free(aac);
1795 if (aac->comm_addr)
1796 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1797 aac->comm_addr, aac->comm_phys);
1798 kfree(aac->queues);
1799 aac_adapter_ioremap(aac, 0);
1800 kfree(aac->fibs);
1801 kfree(aac->fsa_dev);
1802 out_free_host:
1803 scsi_host_put(shost);
1804 out_disable_pdev:
1805 pci_disable_device(pdev);
1806 out:
1807 return error;
1808 }
1809
aac_release_resources(struct aac_dev * aac)1810 static void aac_release_resources(struct aac_dev *aac)
1811 {
1812 aac_adapter_disable_int(aac);
1813 aac_free_irq(aac);
1814 }
1815
aac_acquire_resources(struct aac_dev * dev)1816 static int aac_acquire_resources(struct aac_dev *dev)
1817 {
1818 unsigned long status;
1819 /*
1820 * First clear out all interrupts. Then enable the one's that we
1821 * can handle.
1822 */
1823 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1824 || status == 0xffffffff)
1825 msleep(20);
1826
1827 aac_adapter_disable_int(dev);
1828 aac_adapter_enable_int(dev);
1829
1830
1831 if (aac_is_src(dev))
1832 aac_define_int_mode(dev);
1833
1834 if (dev->msi_enabled)
1835 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1836
1837 if (aac_acquire_irq(dev))
1838 goto error_iounmap;
1839
1840 aac_adapter_enable_int(dev);
1841
1842 /*max msix may change after EEH
1843 * Re-assign vectors to fibs
1844 */
1845 aac_fib_vector_assign(dev);
1846
1847 if (!dev->sync_mode) {
1848 /* After EEH recovery or suspend resume, max_msix count
1849 * may change, therefore updating in init as well.
1850 */
1851 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1852 aac_adapter_start(dev);
1853 }
1854 return 0;
1855
1856 error_iounmap:
1857 return -1;
1858
1859 }
1860
aac_suspend(struct device * dev)1861 static int __maybe_unused aac_suspend(struct device *dev)
1862 {
1863 struct Scsi_Host *shost = dev_get_drvdata(dev);
1864 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1865
1866 scsi_host_block(shost);
1867 aac_cancel_rescan_worker(aac);
1868 aac_send_shutdown(aac);
1869
1870 aac_release_resources(aac);
1871
1872 return 0;
1873 }
1874
aac_resume(struct device * dev)1875 static int __maybe_unused aac_resume(struct device *dev)
1876 {
1877 struct Scsi_Host *shost = dev_get_drvdata(dev);
1878 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1879
1880 if (aac_acquire_resources(aac))
1881 goto fail_device;
1882 /*
1883 * reset this flag to unblock ioctl() as it was set at
1884 * aac_send_shutdown() to block ioctls from upperlayer
1885 */
1886 aac->adapter_shutdown = 0;
1887 scsi_host_unblock(shost, SDEV_RUNNING);
1888
1889 return 0;
1890
1891 fail_device:
1892 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1893 scsi_host_put(shost);
1894 return -ENODEV;
1895 }
1896
aac_shutdown(struct pci_dev * dev)1897 static void aac_shutdown(struct pci_dev *dev)
1898 {
1899 struct Scsi_Host *shost = pci_get_drvdata(dev);
1900
1901 scsi_host_block(shost);
1902 __aac_shutdown((struct aac_dev *)shost->hostdata);
1903 }
1904
aac_remove_one(struct pci_dev * pdev)1905 static void aac_remove_one(struct pci_dev *pdev)
1906 {
1907 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1908 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1909
1910 aac_cancel_rescan_worker(aac);
1911 scsi_remove_host(shost);
1912
1913 __aac_shutdown(aac);
1914 aac_fib_map_free(aac);
1915 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1916 aac->comm_phys);
1917 kfree(aac->queues);
1918
1919 aac_adapter_ioremap(aac, 0);
1920
1921 kfree(aac->fibs);
1922 kfree(aac->fsa_dev);
1923
1924 list_del(&aac->entry);
1925 scsi_host_put(shost);
1926 pci_disable_device(pdev);
1927 if (list_empty(&aac_devices)) {
1928 unregister_chrdev(aac_cfg_major, "aac");
1929 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1930 }
1931 }
1932
aac_pci_error_detected(struct pci_dev * pdev,pci_channel_state_t error)1933 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1934 pci_channel_state_t error)
1935 {
1936 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1937 struct aac_dev *aac = shost_priv(shost);
1938
1939 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1940
1941 switch (error) {
1942 case pci_channel_io_normal:
1943 return PCI_ERS_RESULT_CAN_RECOVER;
1944 case pci_channel_io_frozen:
1945 aac->handle_pci_error = 1;
1946
1947 scsi_host_block(shost);
1948 aac_cancel_rescan_worker(aac);
1949 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1950 aac_release_resources(aac);
1951
1952 aac_adapter_ioremap(aac, 0);
1953
1954 return PCI_ERS_RESULT_NEED_RESET;
1955 case pci_channel_io_perm_failure:
1956 aac->handle_pci_error = 1;
1957
1958 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1959 return PCI_ERS_RESULT_DISCONNECT;
1960 }
1961
1962 return PCI_ERS_RESULT_NEED_RESET;
1963 }
1964
aac_pci_mmio_enabled(struct pci_dev * pdev)1965 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1966 {
1967 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1968 return PCI_ERS_RESULT_NEED_RESET;
1969 }
1970
aac_pci_slot_reset(struct pci_dev * pdev)1971 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1972 {
1973 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1974 pci_restore_state(pdev);
1975 if (pci_enable_device(pdev)) {
1976 dev_warn(&pdev->dev,
1977 "aacraid: failed to enable slave\n");
1978 goto fail_device;
1979 }
1980
1981 pci_set_master(pdev);
1982
1983 if (pci_enable_device_mem(pdev)) {
1984 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1985 goto fail_device;
1986 }
1987
1988 return PCI_ERS_RESULT_RECOVERED;
1989
1990 fail_device:
1991 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1992 return PCI_ERS_RESULT_DISCONNECT;
1993 }
1994
1995
aac_pci_resume(struct pci_dev * pdev)1996 static void aac_pci_resume(struct pci_dev *pdev)
1997 {
1998 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1999 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2000
2001 if (aac_adapter_ioremap(aac, aac->base_size)) {
2002
2003 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2004 /* remap failed, go back ... */
2005 aac->comm_interface = AAC_COMM_PRODUCER;
2006 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2007 dev_warn(&pdev->dev,
2008 "aacraid: unable to map adapter.\n");
2009
2010 return;
2011 }
2012 }
2013
2014 msleep(10000);
2015
2016 aac_acquire_resources(aac);
2017
2018 /*
2019 * reset this flag to unblock ioctl() as it was set
2020 * at aac_send_shutdown() to block ioctls from upperlayer
2021 */
2022 aac->adapter_shutdown = 0;
2023 aac->handle_pci_error = 0;
2024
2025 scsi_host_unblock(shost, SDEV_RUNNING);
2026 aac_scan_host(aac);
2027 pci_save_state(pdev);
2028
2029 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2030 }
2031
2032 static struct pci_error_handlers aac_pci_err_handler = {
2033 .error_detected = aac_pci_error_detected,
2034 .mmio_enabled = aac_pci_mmio_enabled,
2035 .slot_reset = aac_pci_slot_reset,
2036 .resume = aac_pci_resume,
2037 };
2038
2039 static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
2040
2041 static struct pci_driver aac_pci_driver = {
2042 .name = AAC_DRIVERNAME,
2043 .id_table = aac_pci_tbl,
2044 .probe = aac_probe_one,
2045 .remove = aac_remove_one,
2046 .driver.pm = &aac_pm_ops,
2047 .shutdown = aac_shutdown,
2048 .err_handler = &aac_pci_err_handler,
2049 };
2050
aac_init(void)2051 static int __init aac_init(void)
2052 {
2053 int error;
2054
2055 printk(KERN_INFO "Adaptec %s driver %s\n",
2056 AAC_DRIVERNAME, aac_driver_version);
2057
2058 error = pci_register_driver(&aac_pci_driver);
2059 if (error < 0)
2060 return error;
2061
2062 aac_init_char();
2063
2064
2065 return 0;
2066 }
2067
aac_exit(void)2068 static void __exit aac_exit(void)
2069 {
2070 if (aac_cfg_major > -1)
2071 unregister_chrdev(aac_cfg_major, "aac");
2072 pci_unregister_driver(&aac_pci_driver);
2073 }
2074
2075 module_init(aac_init);
2076 module_exit(aac_exit);
2077