| /* |
| * Adaptec AAC series RAID controller driver |
| * (c) Copyright 2001 Red Hat Inc. |
| * |
| * based on the old aacraid driver that is.. |
| * Adaptec aacraid device driver for Linux. |
| * |
| * Copyright (c) 2000-2010 Adaptec, Inc. |
| * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; see the file COPYING. If not, write to |
| * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| * Module Name: |
| * linit.c |
| * |
| * Abstract: Linux Driver entry module for Adaptec RAID Array Controller |
| */ |
| |
| |
| #include <linux/compat.h> |
| #include <linux/blkdev.h> |
| #include <linux/completion.h> |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/pci.h> |
| #include <linux/aer.h> |
| #include <linux/pci-aspm.h> |
| #include <linux/slab.h> |
| #include <linux/mutex.h> |
| #include <linux/spinlock.h> |
| #include <linux/syscalls.h> |
| #include <linux/delay.h> |
| #include <linux/kthread.h> |
| |
| #include <scsi/scsi.h> |
| #include <scsi/scsi_cmnd.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_host.h> |
| #include <scsi/scsi_tcq.h> |
| #include <scsi/scsicam.h> |
| #include <scsi/scsi_eh.h> |
| |
| #include "aacraid.h" |
| |
| #define AAC_DRIVER_VERSION "1.2-1" |
| #ifndef AAC_DRIVER_BRANCH |
| #define AAC_DRIVER_BRANCH "" |
| #endif |
| #define AAC_DRIVERNAME "aacraid" |
| |
| #ifdef AAC_DRIVER_BUILD |
| #define _str(x) #x |
| #define str(x) _str(x) |
| #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH |
| #else |
| #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH |
| #endif |
| |
| MODULE_AUTHOR("Red Hat Inc and Adaptec"); |
| MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " |
| "Adaptec Advanced Raid Products, " |
| "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(AAC_DRIVER_FULL_VERSION); |
| |
| static DEFINE_MUTEX(aac_mutex); |
| static LIST_HEAD(aac_devices); |
| static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; |
| char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; |
| |
| /* |
| * Because of the way Linux names scsi devices, the order in this table has |
| * become important. Check for on-board Raid first, add-in cards second. |
| * |
| * Note: The last field is used to index into aac_drivers below. |
| */ |
| static const struct pci_device_id aac_pci_tbl[] = { |
| { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ |
| { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ |
| { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ |
| { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ |
| { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ |
| { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ |
| { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ |
| { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ |
| { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ |
| { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ |
| { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ |
| { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ |
| { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ |
| { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ |
| { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ |
| { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ |
| |
| { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ |
| { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ |
| { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ |
| { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ |
| { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ |
| { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ |
| { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ |
| { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ |
| { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ |
| { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ |
| { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ |
| { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ |
| { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ |
| { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ |
| { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ |
| { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ |
| { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ |
| { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ |
| { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ |
| { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ |
| { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ |
| { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ |
| { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ |
| { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ |
| { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ |
| { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ |
| { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ |
| { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ |
| { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ |
| { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ |
| { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ |
| { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ |
| { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ |
| { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ |
| { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ |
| { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ |
| { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ |
| { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ |
| |
| { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ |
| { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ |
| { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ |
| { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ |
| { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ |
| |
| { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ |
| { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ |
| { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ |
| { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ |
| { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ |
| { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ |
| { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ |
| { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ |
| { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */ |
| { 0,} |
| }; |
| MODULE_DEVICE_TABLE(pci, aac_pci_tbl); |
| |
| /* |
| * dmb - For now we add the number of channels to this structure. |
| * In the future we should add a fib that reports the number of channels |
| * for the card. At that time we can remove the channels from here |
| */ |
| static struct aac_driver_ident aac_drivers[] = { |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ |
| { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ |
| { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ |
| { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ |
| |
| { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ |
| { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ |
| { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ |
| { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ |
| { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ |
| { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ |
| { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ |
| { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ |
| { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ |
| { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ |
| { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ |
| { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ |
| { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ |
| { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ |
| |
| { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ |
| { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ |
| { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ |
| { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ |
| { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ |
| |
| { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ |
| { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ |
| { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ |
| { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ |
| { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ |
| { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */ |
| { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */ |
| { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */ |
| { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */ |
| }; |
| |
| /** |
| * aac_queuecommand - queue a SCSI command |
| * @cmd: SCSI command to queue |
| * @done: Function to call on command completion |
| * |
| * Queues a command for execution by the associated Host Adapter. |
| * |
| * TODO: unify with aac_scsi_cmd(). |
| */ |
| |
| static int aac_queuecommand(struct Scsi_Host *shost, |
| struct scsi_cmnd *cmd) |
| { |
| int r = 0; |
| cmd->SCp.phase = AAC_OWNER_LOWLEVEL; |
| r = (aac_scsi_cmd(cmd) ? FAILED : 0); |
| return r; |
| } |
| |
| /** |
| * aac_info - Returns the host adapter name |
| * @shost: Scsi host to report on |
| * |
| * Returns a static string describing the device in question |
| */ |
| |
| static const char *aac_info(struct Scsi_Host *shost) |
| { |
| struct aac_dev *dev = (struct aac_dev *)shost->hostdata; |
| return aac_drivers[dev->cardtype].name; |
| } |
| |
| /** |
| * aac_get_driver_ident |
| * @devtype: index into lookup table |
| * |
| * Returns a pointer to the entry in the driver lookup table. |
| */ |
| |
| struct aac_driver_ident* aac_get_driver_ident(int devtype) |
| { |
| return &aac_drivers[devtype]; |
| } |
| |
| /** |
| * aac_biosparm - return BIOS parameters for disk |
| * @sdev: The scsi device corresponding to the disk |
| * @bdev: the block device corresponding to the disk |
| * @capacity: the sector capacity of the disk |
| * @geom: geometry block to fill in |
| * |
| * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. |
| * The default disk geometry is 64 heads, 32 sectors, and the appropriate |
| * number of cylinders so as not to exceed drive capacity. In order for |
| * disks equal to or larger than 1 GB to be addressable by the BIOS |
| * without exceeding the BIOS limitation of 1024 cylinders, Extended |
| * Translation should be enabled. With Extended Translation enabled, |
| * drives between 1 GB inclusive and 2 GB exclusive are given a disk |
| * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive |
| * are given a disk geometry of 255 heads and 63 sectors. However, if |
| * the BIOS detects that the Extended Translation setting does not match |
| * the geometry in the partition table, then the translation inferred |
| * from the partition table will be used by the BIOS, and a warning may |
| * be displayed. |
| */ |
| |
| static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, |
| sector_t capacity, int *geom) |
| { |
| struct diskparm *param = (struct diskparm *)geom; |
| unsigned char *buf; |
| |
| dprintk((KERN_DEBUG "aac_biosparm.\n")); |
| |
| /* |
| * Assuming extended translation is enabled - #REVISIT# |
| */ |
| if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ |
| if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ |
| param->heads = 255; |
| param->sectors = 63; |
| } else { |
| param->heads = 128; |
| param->sectors = 32; |
| } |
| } else { |
| param->heads = 64; |
| param->sectors = 32; |
| } |
| |
| param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); |
| |
| /* |
| * Read the first 1024 bytes from the disk device, if the boot |
| * sector partition table is valid, search for a partition table |
| * entry whose end_head matches one of the standard geometry |
| * translations ( 64/32, 128/32, 255/63 ). |
| */ |
| buf = scsi_bios_ptable(bdev); |
| if (!buf) |
| return 0; |
| if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { |
| struct partition *first = (struct partition * )buf; |
| struct partition *entry = first; |
| int saved_cylinders = param->cylinders; |
| int num; |
| unsigned char end_head, end_sec; |
| |
| for(num = 0; num < 4; num++) { |
| end_head = entry->end_head; |
| end_sec = entry->end_sector & 0x3f; |
| |
| if(end_head == 63) { |
| param->heads = 64; |
| param->sectors = 32; |
| break; |
| } else if(end_head == 127) { |
| param->heads = 128; |
| param->sectors = 32; |
| break; |
| } else if(end_head == 254) { |
| param->heads = 255; |
| param->sectors = 63; |
| break; |
| } |
| entry++; |
| } |
| |
| if (num == 4) { |
| end_head = first->end_head; |
| end_sec = first->end_sector & 0x3f; |
| } |
| |
| param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); |
| if (num < 4 && end_sec == param->sectors) { |
| if (param->cylinders != saved_cylinders) |
| dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", |
| param->heads, param->sectors, num)); |
| } else if (end_head > 0 || end_sec > 0) { |
| dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", |
| end_head + 1, end_sec, num)); |
| dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", |
| param->heads, param->sectors)); |
| } |
| } |
| kfree(buf); |
| return 0; |
| } |
| |
| /** |
| * aac_slave_configure - compute queue depths |
| * @sdev: SCSI device we are considering |
| * |
| * Selects queue depths for each target device based on the host adapter's |
| * total capacity and the queue depth supported by the target device. |
| * A queue depth of one automatically disables tagged queueing. |
| */ |
| |
| static int aac_slave_configure(struct scsi_device *sdev) |
| { |
| struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; |
| if (aac->jbod && (sdev->type == TYPE_DISK)) |
| sdev->removable = 1; |
| if ((sdev->type == TYPE_DISK) && |
| (sdev_channel(sdev) != CONTAINER_CHANNEL) && |
| (!aac->jbod || sdev->inq_periph_qual) && |
| (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { |
| if (expose_physicals == 0) |
| return -ENXIO; |
| if (expose_physicals < 0) |
| sdev->no_uld_attach = 1; |
| } |
| if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && |
| (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && |
| !sdev->no_uld_attach) { |
| struct scsi_device * dev; |
| struct Scsi_Host *host = sdev->host; |
| unsigned num_lsu = 0; |
| unsigned num_one = 0; |
| unsigned depth; |
| unsigned cid; |
| |
| /* |
| * Firmware has an individual device recovery time typically |
| * of 35 seconds, give us a margin. |
| */ |
| if (sdev->request_queue->rq_timeout < (45 * HZ)) |
| blk_queue_rq_timeout(sdev->request_queue, 45*HZ); |
| for (cid = 0; cid < aac->maximum_num_containers; ++cid) |
| if (aac->fsa_dev[cid].valid) |
| ++num_lsu; |
| __shost_for_each_device(dev, host) { |
| if (dev->tagged_supported && (dev->type == TYPE_DISK) && |
| (!aac->raid_scsi_mode || |
| (sdev_channel(sdev) != 2)) && |
| !dev->no_uld_attach) { |
| if ((sdev_channel(dev) != CONTAINER_CHANNEL) |
| || !aac->fsa_dev[sdev_id(dev)].valid) |
| ++num_lsu; |
| } else |
| ++num_one; |
| } |
| if (num_lsu == 0) |
| ++num_lsu; |
| depth = (host->can_queue - num_one) / num_lsu; |
| if (depth > 256) |
| depth = 256; |
| else if (depth < 2) |
| depth = 2; |
| scsi_change_queue_depth(sdev, depth); |
| } else { |
| scsi_change_queue_depth(sdev, 1); |
| |
| sdev->tagged_supported = 1; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * aac_change_queue_depth - alter queue depths |
| * @sdev: SCSI device we are considering |
| * @depth: desired queue depth |
| * |
| * Alters queue depths for target device based on the host adapter's |
| * total capacity and the queue depth supported by the target device. |
| */ |
| |
| static int aac_change_queue_depth(struct scsi_device *sdev, int depth) |
| { |
| if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && |
| (sdev_channel(sdev) == CONTAINER_CHANNEL)) { |
| struct scsi_device * dev; |
| struct Scsi_Host *host = sdev->host; |
| unsigned num = 0; |
| |
| __shost_for_each_device(dev, host) { |
| if (dev->tagged_supported && (dev->type == TYPE_DISK) && |
| (sdev_channel(dev) == CONTAINER_CHANNEL)) |
| ++num; |
| ++num; |
| } |
| if (num >= host->can_queue) |
| num = host->can_queue - 1; |
| if (depth > (host->can_queue - num)) |
| depth = host->can_queue - num; |
| if (depth > 256) |
| depth = 256; |
| else if (depth < 2) |
| depth = 2; |
| return scsi_change_queue_depth(sdev, depth); |
| } |
| |
| return scsi_change_queue_depth(sdev, 1); |
| } |
| |
| static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); |
| if (sdev_channel(sdev) != CONTAINER_CHANNEL) |
| return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach |
| ? "Hidden\n" : |
| ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); |
| return snprintf(buf, PAGE_SIZE, "%s\n", |
| get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); |
| } |
| |
| static struct device_attribute aac_raid_level_attr = { |
| .attr = { |
| .name = "level", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_raid_level |
| }; |
| |
| static struct device_attribute *aac_dev_attrs[] = { |
| &aac_raid_level_attr, |
| NULL, |
| }; |
| |
| static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) |
| { |
| struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; |
| if (!capable(CAP_SYS_RAWIO)) |
| return -EPERM; |
| return aac_do_ioctl(dev, cmd, arg); |
| } |
| |
| static int aac_eh_abort(struct scsi_cmnd* cmd) |
| { |
| struct scsi_device * dev = cmd->device; |
| struct Scsi_Host * host = dev->host; |
| struct aac_dev * aac = (struct aac_dev *)host->hostdata; |
| int count; |
| int ret = FAILED; |
| |
| printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n", |
| AAC_DRIVERNAME, |
| host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); |
| switch (cmd->cmnd[0]) { |
| case SERVICE_ACTION_IN_16: |
| if (!(aac->raw_io_interface) || |
| !(aac->raw_io_64) || |
| ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) |
| break; |
| case INQUIRY: |
| case READ_CAPACITY: |
| /* Mark associated FIB to not complete, eh handler does this */ |
| for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { |
| struct fib * fib = &aac->fibs[count]; |
| if (fib->hw_fib_va->header.XferState && |
| (fib->flags & FIB_CONTEXT_FLAG) && |
| (fib->callback_data == cmd)) { |
| fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; |
| cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; |
| ret = SUCCESS; |
| } |
| } |
| break; |
| case TEST_UNIT_READY: |
| /* Mark associated FIB to not complete, eh handler does this */ |
| for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { |
| struct scsi_cmnd * command; |
| struct fib * fib = &aac->fibs[count]; |
| if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && |
| (fib->flags & FIB_CONTEXT_FLAG) && |
| ((command = fib->callback_data)) && |
| (command->device == cmd->device)) { |
| fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; |
| command->SCp.phase = AAC_OWNER_ERROR_HANDLER; |
| if (command == cmd) |
| ret = SUCCESS; |
| } |
| } |
| } |
| return ret; |
| } |
| |
| /* |
| * aac_eh_reset - Reset command handling |
| * @scsi_cmd: SCSI command block causing the reset |
| * |
| */ |
| static int aac_eh_reset(struct scsi_cmnd* cmd) |
| { |
| struct scsi_device * dev = cmd->device; |
| struct Scsi_Host * host = dev->host; |
| struct scsi_cmnd * command; |
| int count; |
| struct aac_dev * aac = (struct aac_dev *)host->hostdata; |
| unsigned long flags; |
| |
| /* Mark the associated FIB to not complete, eh handler does this */ |
| for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { |
| struct fib * fib = &aac->fibs[count]; |
| if (fib->hw_fib_va->header.XferState && |
| (fib->flags & FIB_CONTEXT_FLAG) && |
| (fib->callback_data == cmd)) { |
| fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; |
| cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; |
| } |
| } |
| printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", |
| AAC_DRIVERNAME); |
| |
| if ((count = aac_check_health(aac))) |
| return count; |
| /* |
| * Wait for all commands to complete to this specific |
| * target (block maximum 60 seconds). |
| */ |
| for (count = 60; count; --count) { |
| int active = aac->in_reset; |
| |
| if (active == 0) |
| __shost_for_each_device(dev, host) { |
| spin_lock_irqsave(&dev->list_lock, flags); |
| list_for_each_entry(command, &dev->cmd_list, list) { |
| if ((command != cmd) && |
| (command->SCp.phase == AAC_OWNER_FIRMWARE)) { |
| active++; |
| break; |
| } |
| } |
| spin_unlock_irqrestore(&dev->list_lock, flags); |
| if (active) |
| break; |
| |
| } |
| /* |
| * We can exit If all the commands are complete |
| */ |
| if (active == 0) |
| return SUCCESS; |
| ssleep(1); |
| } |
| printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); |
| /* |
| * This adapter needs a blind reset, only do so for Adapters that |
| * support a register, instead of a commanded, reset. |
| */ |
| if (((aac->supplement_adapter_info.SupportedOptions2 & |
| AAC_OPTION_MU_RESET) || |
| (aac->supplement_adapter_info.SupportedOptions2 & |
| AAC_OPTION_DOORBELL_RESET)) && |
| aac_check_reset && |
| ((aac_check_reset != 1) || |
| !(aac->supplement_adapter_info.SupportedOptions2 & |
| AAC_OPTION_IGNORE_RESET))) |
| aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ |
| return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ |
| } |
| |
| /** |
| * aac_cfg_open - open a configuration file |
| * @inode: inode being opened |
| * @file: file handle attached |
| * |
| * Called when the configuration device is opened. Does the needed |
| * set up on the handle and then returns |
| * |
| * Bugs: This needs extending to check a given adapter is present |
| * so we can support hot plugging, and to ref count adapters. |
| */ |
| |
| static int aac_cfg_open(struct inode *inode, struct file *file) |
| { |
| struct aac_dev *aac; |
| unsigned minor_number = iminor(inode); |
| int err = -ENODEV; |
| |
| mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ |
| list_for_each_entry(aac, &aac_devices, entry) { |
| if (aac->id == minor_number) { |
| file->private_data = aac; |
| err = 0; |
| break; |
| } |
| } |
| mutex_unlock(&aac_mutex); |
| |
| return err; |
| } |
| |
| /** |
| * aac_cfg_ioctl - AAC configuration request |
| * @inode: inode of device |
| * @file: file handle |
| * @cmd: ioctl command code |
| * @arg: argument |
| * |
| * Handles a configuration ioctl. Currently this involves wrapping it |
| * up and feeding it into the nasty windowsalike glue layer. |
| * |
| * Bugs: Needs locking against parallel ioctls lower down |
| * Bugs: Needs to handle hot plugging |
| */ |
| |
| static long aac_cfg_ioctl(struct file *file, |
| unsigned int cmd, unsigned long arg) |
| { |
| struct aac_dev *aac = (struct aac_dev *)file->private_data; |
| |
| if (!capable(CAP_SYS_RAWIO)) |
| return -EPERM; |
| |
| return aac_do_ioctl(aac, cmd, (void __user *)arg); |
| } |
| |
| #ifdef CONFIG_COMPAT |
| static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) |
| { |
| long ret; |
| switch (cmd) { |
| case FSACTL_MINIPORT_REV_CHECK: |
| case FSACTL_SENDFIB: |
| case FSACTL_OPEN_GET_ADAPTER_FIB: |
| case FSACTL_CLOSE_GET_ADAPTER_FIB: |
| case FSACTL_SEND_RAW_SRB: |
| case FSACTL_GET_PCI_INFO: |
| case FSACTL_QUERY_DISK: |
| case FSACTL_DELETE_DISK: |
| case FSACTL_FORCE_DELETE_DISK: |
| case FSACTL_GET_CONTAINERS: |
| case FSACTL_SEND_LARGE_FIB: |
| ret = aac_do_ioctl(dev, cmd, (void __user *)arg); |
| break; |
| |
| case FSACTL_GET_NEXT_ADAPTER_FIB: { |
| struct fib_ioctl __user *f; |
| |
| f = compat_alloc_user_space(sizeof(*f)); |
| ret = 0; |
| if (clear_user(f, sizeof(*f))) |
| ret = -EFAULT; |
| if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) |
| ret = -EFAULT; |
| if (!ret) |
| ret = aac_do_ioctl(dev, cmd, f); |
| break; |
| } |
| |
| default: |
| ret = -ENOIOCTLCMD; |
| break; |
| } |
| return ret; |
| } |
| |
| static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
| { |
| struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; |
| if (!capable(CAP_SYS_RAWIO)) |
| return -EPERM; |
| return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); |
| } |
| |
| static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) |
| { |
| if (!capable(CAP_SYS_RAWIO)) |
| return -EPERM; |
| return aac_compat_do_ioctl(file->private_data, cmd, arg); |
| } |
| #endif |
| |
| static ssize_t aac_show_model(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| int len; |
| |
| if (dev->supplement_adapter_info.AdapterTypeText[0]) { |
| char * cp = dev->supplement_adapter_info.AdapterTypeText; |
| while (*cp && *cp != ' ') |
| ++cp; |
| while (*cp == ' ') |
| ++cp; |
| len = snprintf(buf, PAGE_SIZE, "%s\n", cp); |
| } else |
| len = snprintf(buf, PAGE_SIZE, "%s\n", |
| aac_drivers[dev->cardtype].model); |
| return len; |
| } |
| |
| static ssize_t aac_show_vendor(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| int len; |
| |
| if (dev->supplement_adapter_info.AdapterTypeText[0]) { |
| char * cp = dev->supplement_adapter_info.AdapterTypeText; |
| while (*cp && *cp != ' ') |
| ++cp; |
| len = snprintf(buf, PAGE_SIZE, "%.*s\n", |
| (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), |
| dev->supplement_adapter_info.AdapterTypeText); |
| } else |
| len = snprintf(buf, PAGE_SIZE, "%s\n", |
| aac_drivers[dev->cardtype].vname); |
| return len; |
| } |
| |
| static ssize_t aac_show_flags(struct device *cdev, |
| struct device_attribute *attr, char *buf) |
| { |
| int len = 0; |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; |
| |
| if (nblank(dprintk(x))) |
| len = snprintf(buf, PAGE_SIZE, "dprintk\n"); |
| #ifdef AAC_DETAILED_STATUS_INFO |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "AAC_DETAILED_STATUS_INFO\n"); |
| #endif |
| if (dev->raw_io_interface && dev->raw_io_64) |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "SAI_READ_CAPACITY_16\n"); |
| if (dev->jbod) |
| len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); |
| if (dev->supplement_adapter_info.SupportedOptions2 & |
| AAC_OPTION_POWER_MANAGEMENT) |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "SUPPORTED_POWER_MANAGEMENT\n"); |
| if (dev->msi) |
| len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); |
| return len; |
| } |
| |
| static ssize_t aac_show_kernel_version(struct device *device, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| int len, tmp; |
| |
| tmp = le32_to_cpu(dev->adapter_info.kernelrev); |
| len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", |
| tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, |
| le32_to_cpu(dev->adapter_info.kernelbuild)); |
| return len; |
| } |
| |
| static ssize_t aac_show_monitor_version(struct device *device, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| int len, tmp; |
| |
| tmp = le32_to_cpu(dev->adapter_info.monitorrev); |
| len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", |
| tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, |
| le32_to_cpu(dev->adapter_info.monitorbuild)); |
| return len; |
| } |
| |
| static ssize_t aac_show_bios_version(struct device *device, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| int len, tmp; |
| |
| tmp = le32_to_cpu(dev->adapter_info.biosrev); |
| len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", |
| tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, |
| le32_to_cpu(dev->adapter_info.biosbuild)); |
| return len; |
| } |
| |
| static ssize_t aac_show_serial_number(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| int len = 0; |
| |
| if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) |
| len = snprintf(buf, 16, "%06X\n", |
| le32_to_cpu(dev->adapter_info.serial[0])); |
| if (len && |
| !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ |
| sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], |
| buf, len-1)) |
| len = snprintf(buf, 16, "%.*s\n", |
| (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), |
| dev->supplement_adapter_info.MfgPcbaSerialNo); |
| |
| return min(len, 16); |
| } |
| |
| static ssize_t aac_show_max_channel(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, "%d\n", |
| class_to_shost(device)->max_channel); |
| } |
| |
| static ssize_t aac_show_max_id(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, "%d\n", |
| class_to_shost(device)->max_id); |
| } |
| |
| static ssize_t aac_store_reset_adapter(struct device *device, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int retval = -EACCES; |
| |
| if (!capable(CAP_SYS_ADMIN)) |
| return retval; |
| retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!'); |
| if (retval >= 0) |
| retval = count; |
| return retval; |
| } |
| |
| static ssize_t aac_show_reset_adapter(struct device *device, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| int len, tmp; |
| |
| tmp = aac_adapter_check_health(dev); |
| if ((tmp == 0) && dev->in_reset) |
| tmp = -EBUSY; |
| len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); |
| return len; |
| } |
| |
| static struct device_attribute aac_model = { |
| .attr = { |
| .name = "model", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_model, |
| }; |
| static struct device_attribute aac_vendor = { |
| .attr = { |
| .name = "vendor", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_vendor, |
| }; |
| static struct device_attribute aac_flags = { |
| .attr = { |
| .name = "flags", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_flags, |
| }; |
| static struct device_attribute aac_kernel_version = { |
| .attr = { |
| .name = "hba_kernel_version", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_kernel_version, |
| }; |
| static struct device_attribute aac_monitor_version = { |
| .attr = { |
| .name = "hba_monitor_version", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_monitor_version, |
| }; |
| static struct device_attribute aac_bios_version = { |
| .attr = { |
| .name = "hba_bios_version", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_bios_version, |
| }; |
| static struct device_attribute aac_serial_number = { |
| .attr = { |
| .name = "serial_number", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_serial_number, |
| }; |
| static struct device_attribute aac_max_channel = { |
| .attr = { |
| .name = "max_channel", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_max_channel, |
| }; |
| static struct device_attribute aac_max_id = { |
| .attr = { |
| .name = "max_id", |
| .mode = S_IRUGO, |
| }, |
| .show = aac_show_max_id, |
| }; |
| static struct device_attribute aac_reset = { |
| .attr = { |
| .name = "reset_host", |
| .mode = S_IWUSR|S_IRUGO, |
| }, |
| .store = aac_store_reset_adapter, |
| .show = aac_show_reset_adapter, |
| }; |
| |
| static struct device_attribute *aac_attrs[] = { |
| &aac_model, |
| &aac_vendor, |
| &aac_flags, |
| &aac_kernel_version, |
| &aac_monitor_version, |
| &aac_bios_version, |
| &aac_serial_number, |
| &aac_max_channel, |
| &aac_max_id, |
| &aac_reset, |
| NULL |
| }; |
| |
| ssize_t aac_get_serial_number(struct device *device, char *buf) |
| { |
| return aac_show_serial_number(device, &aac_serial_number, buf); |
| } |
| |
| static const struct file_operations aac_cfg_fops = { |
| .owner = THIS_MODULE, |
| .unlocked_ioctl = aac_cfg_ioctl, |
| #ifdef CONFIG_COMPAT |
| .compat_ioctl = aac_compat_cfg_ioctl, |
| #endif |
| .open = aac_cfg_open, |
| .llseek = noop_llseek, |
| }; |
| |
| static struct scsi_host_template aac_driver_template = { |
| .module = THIS_MODULE, |
| .name = "AAC", |
| .proc_name = AAC_DRIVERNAME, |
| .info = aac_info, |
| .ioctl = aac_ioctl, |
| #ifdef CONFIG_COMPAT |
| .compat_ioctl = aac_compat_ioctl, |
| #endif |
| .queuecommand = aac_queuecommand, |
| .bios_param = aac_biosparm, |
| .shost_attrs = aac_attrs, |
| .slave_configure = aac_slave_configure, |
| .change_queue_depth = aac_change_queue_depth, |
| .sdev_attrs = aac_dev_attrs, |
| .eh_abort_handler = aac_eh_abort, |
| .eh_host_reset_handler = aac_eh_reset, |
| .can_queue = AAC_NUM_IO_FIB, |
| .this_id = MAXIMUM_NUM_CONTAINERS, |
| .sg_tablesize = 16, |
| .max_sectors = 128, |
| #if (AAC_NUM_IO_FIB > 256) |
| .cmd_per_lun = 256, |
| #else |
| .cmd_per_lun = AAC_NUM_IO_FIB, |
| #endif |
| .use_clustering = ENABLE_CLUSTERING, |
| .emulated = 1, |
| .no_write_same = 1, |
| }; |
| |
| static void __aac_shutdown(struct aac_dev * aac) |
| { |
| int i; |
| int cpu; |
| |
| aac_send_shutdown(aac); |
| |
| if (aac->aif_thread) { |
| int i; |
| /* Clear out events first */ |
| for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { |
| struct fib *fib = &aac->fibs[i]; |
| if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && |
| (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) |
| up(&fib->event_wait); |
| } |
| kthread_stop(aac->thread); |
| } |
| aac_adapter_disable_int(aac); |
| cpu = cpumask_first(cpu_online_mask); |
| if (aac->pdev->device == PMC_DEVICE_S6 || |
| aac->pdev->device == PMC_DEVICE_S7 || |
| aac->pdev->device == PMC_DEVICE_S8 || |
| aac->pdev->device == PMC_DEVICE_S9) { |
| if (aac->max_msix > 1) { |
| for (i = 0; i < aac->max_msix; i++) { |
| if (irq_set_affinity_hint( |
| aac->msixentry[i].vector, |
| NULL)) { |
| printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n", |
| aac->name, |
| aac->id, |
| cpu); |
| } |
| cpu = cpumask_next(cpu, |
| cpu_online_mask); |
| free_irq(aac->msixentry[i].vector, |
| &(aac->aac_msix[i])); |
| } |
| } else { |
| free_irq(aac->pdev->irq, |
| &(aac->aac_msix[0])); |
| } |
| } else { |
| free_irq(aac->pdev->irq, aac); |
| } |
| if (aac->msi) |
| pci_disable_msi(aac->pdev); |
| else if (aac->max_msix > 1) |
| pci_disable_msix(aac->pdev); |
| } |
| static void aac_init_char(void) |
| { |
| aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); |
| if (aac_cfg_major < 0) { |
| pr_err("aacraid: unable to register \"aac\" device.\n"); |
| } |
| } |
| |
| static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| unsigned index = id->driver_data; |
| struct Scsi_Host *shost; |
| struct aac_dev *aac; |
| struct list_head *insert = &aac_devices; |
| int error = -ENODEV; |
| int unique_id = 0; |
| u64 dmamask; |
| extern int aac_sync_mode; |
| |
| /* |
| * Only series 7 needs freset. |
| */ |
| if (pdev->device == PMC_DEVICE_S7) |
| pdev->needs_freset = 1; |
| |
| list_for_each_entry(aac, &aac_devices, entry) { |
| if (aac->id > unique_id) |
| break; |
| insert = &aac->entry; |
| unique_id++; |
| } |
| |
| pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | |
| PCIE_LINK_STATE_CLKPM); |
| |
| error = pci_enable_device(pdev); |
| if (error) |
| goto out; |
| error = -ENODEV; |
| |
| /* |
| * If the quirk31 bit is set, the adapter needs adapter |
| * to driver communication memory to be allocated below 2gig |
| */ |
| if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) |
| dmamask = DMA_BIT_MASK(31); |
| else |
| dmamask = DMA_BIT_MASK(32); |
| |
| if (pci_set_dma_mask(pdev, dmamask) || |
| pci_set_consistent_dma_mask(pdev, dmamask)) |
| goto out_disable_pdev; |
| |
| pci_set_master(pdev); |
| |
| shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); |
| if (!shost) |
| goto out_disable_pdev; |
| |
| shost->irq = pdev->irq; |
| shost->unique_id = unique_id; |
| shost->max_cmd_len = 16; |
| shost->use_cmd_list = 1; |
| |
| if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) |
| aac_init_char(); |
| |
| aac = (struct aac_dev *)shost->hostdata; |
| aac->base_start = pci_resource_start(pdev, 0); |
| aac->scsi_host_ptr = shost; |
| aac->pdev = pdev; |
| aac->name = aac_driver_template.name; |
| aac->id = shost->unique_id; |
| aac->cardtype = index; |
| INIT_LIST_HEAD(&aac->entry); |
| |
| aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); |
| if (!aac->fibs) |
| goto out_free_host; |
| spin_lock_init(&aac->fib_lock); |
| |
| mutex_init(&aac->ioctl_mutex); |
| /* |
| * Map in the registers from the adapter. |
| */ |
| aac->base_size = AAC_MIN_FOOTPRINT_SIZE; |
| if ((*aac_drivers[index].init)(aac)) |
| goto out_unmap; |
| |
| if (aac->sync_mode) { |
| if (aac_sync_mode) |
| printk(KERN_INFO "%s%d: Sync. mode enforced " |
| "by driver parameter. This will cause " |
| "a significant performance decrease!\n", |
| aac->name, |
| aac->id); |
| else |
| printk(KERN_INFO "%s%d: Async. mode not supported " |
| "by current driver, sync. mode enforced." |
| "\nPlease update driver to get full performance.\n", |
| aac->name, |
| aac->id); |
| } |
| |
| /* |
| * Start any kernel threads needed |
| */ |
| aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); |
| if (IS_ERR(aac->thread)) { |
| printk(KERN_ERR "aacraid: Unable to create command thread.\n"); |
| error = PTR_ERR(aac->thread); |
| aac->thread = NULL; |
| goto out_deinit; |
| } |
| |
| /* |
| * If we had set a smaller DMA mask earlier, set it to 4gig |
| * now since the adapter can dma data to at least a 4gig |
| * address space. |
| */ |
| if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) |
| if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) |
| goto out_deinit; |
| |
| aac->maximum_num_channels = aac_drivers[index].channels; |
| error = aac_get_adapter_info(aac); |
| if (error < 0) |
| goto out_deinit; |
| |
| /* |
| * Lets override negotiations and drop the maximum SG limit to 34 |
| */ |
| if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && |
| (shost->sg_tablesize > 34)) { |
| shost->sg_tablesize = 34; |
| shost->max_sectors = (shost->sg_tablesize * 8) + 112; |
| } |
| |
| if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && |
| (shost->sg_tablesize > 17)) { |
| shost->sg_tablesize = 17; |
| shost->max_sectors = (shost->sg_tablesize * 8) + 112; |
| } |
| |
| error = pci_set_dma_max_seg_size(pdev, |
| (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? |
| (shost->max_sectors << 9) : 65536); |
| if (error) |
| goto out_deinit; |
| |
| /* |
| * Firmware printf works only with older firmware. |
| */ |
| if (aac_drivers[index].quirks & AAC_QUIRK_34SG) |
| aac->printf_enabled = 1; |
| else |
| aac->printf_enabled = 0; |
| |
| /* |
| * max channel will be the physical channels plus 1 virtual channel |
| * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) |
| * physical channels are address by their actual physical number+1 |
| */ |
| if (aac->nondasd_support || expose_physicals || aac->jbod) |
| shost->max_channel = aac->maximum_num_channels; |
| else |
| shost->max_channel = 0; |
| |
| aac_get_config_status(aac, 0); |
| aac_get_containers(aac); |
| list_add(&aac->entry, insert); |
| |
| shost->max_id = aac->maximum_num_containers; |
| if (shost->max_id < aac->maximum_num_physicals) |
| shost->max_id = aac->maximum_num_physicals; |
| if (shost->max_id < MAXIMUM_NUM_CONTAINERS) |
| shost->max_id = MAXIMUM_NUM_CONTAINERS; |
| else |
| shost->this_id = shost->max_id; |
| |
| /* |
| * dmb - we may need to move the setting of these parms somewhere else once |
| * we get a fib that can report the actual numbers |
| */ |
| shost->max_lun = AAC_MAX_LUN; |
| |
| pci_set_drvdata(pdev, shost); |
| |
| error = scsi_add_host(shost, &pdev->dev); |
| if (error) |
| goto out_deinit; |
| scsi_scan_host(shost); |
| |
| pci_enable_pcie_error_reporting(pdev); |
| pci_save_state(pdev); |
| |
| return 0; |
| |
| out_deinit: |
| __aac_shutdown(aac); |
| out_unmap: |
| aac_fib_map_free(aac); |
| if (aac->comm_addr) |
| pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, |
| aac->comm_phys); |
| kfree(aac->queues); |
| aac_adapter_ioremap(aac, 0); |
| kfree(aac->fibs); |
| kfree(aac->fsa_dev); |
| out_free_host: |
| scsi_host_put(shost); |
| out_disable_pdev: |
| pci_disable_device(pdev); |
| out: |
| return error; |
| } |
| |
| static void aac_release_resources(struct aac_dev *aac) |
| { |
| int i; |
| |
| aac_adapter_disable_int(aac); |
| if (aac->pdev->device == PMC_DEVICE_S6 || |
| aac->pdev->device == PMC_DEVICE_S7 || |
| aac->pdev->device == PMC_DEVICE_S8 || |
| aac->pdev->device == PMC_DEVICE_S9) { |
| if (aac->max_msix > 1) { |
| for (i = 0; i < aac->max_msix; i++) |
| free_irq(aac->msixentry[i].vector, |
| &(aac->aac_msix[i])); |
| } else { |
| free_irq(aac->pdev->irq, &(aac->aac_msix[0])); |
| } |
| } else { |
| free_irq(aac->pdev->irq, aac); |
| } |
| if (aac->msi) |
| pci_disable_msi(aac->pdev); |
| else if (aac->max_msix > 1) |
| pci_disable_msix(aac->pdev); |
| |
| } |
| |
| static int aac_acquire_resources(struct aac_dev *dev) |
| { |
| int i, j; |
| int instance = dev->id; |
| const char *name = dev->name; |
| unsigned long status; |
| /* |
| * First clear out all interrupts. Then enable the one's that we |
| * can handle. |
| */ |
| while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) |
| || status == 0xffffffff) |
| msleep(20); |
| |
| aac_adapter_disable_int(dev); |
| aac_adapter_enable_int(dev); |
| |
| |
| if ((dev->pdev->device == PMC_DEVICE_S7 || |
| dev->pdev->device == PMC_DEVICE_S8 || |
| dev->pdev->device == PMC_DEVICE_S9)) |
| aac_define_int_mode(dev); |
| |
| if (dev->msi_enabled) |
| aac_src_access_devreg(dev, AAC_ENABLE_MSIX); |
| |
| if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) { |
| for (i = 0; i < dev->max_msix; i++) { |
| dev->aac_msix[i].vector_no = i; |
| dev->aac_msix[i].dev = dev; |
| |
| if (request_irq(dev->msixentry[i].vector, |
| dev->a_ops.adapter_intr, |
| 0, "aacraid", &(dev->aac_msix[i]))) { |
| printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n", |
| name, instance, i); |
| for (j = 0 ; j < i ; j++) |
| free_irq(dev->msixentry[j].vector, |
| &(dev->aac_msix[j])); |
| pci_disable_msix(dev->pdev); |
| goto error_iounmap; |
| } |
| } |
| } else { |
| dev->aac_msix[0].vector_no = 0; |
| dev->aac_msix[0].dev = dev; |
| |
| if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, |
| IRQF_SHARED, "aacraid", |
| &(dev->aac_msix[0])) < 0) { |
| if (dev->msi) |
| pci_disable_msi(dev->pdev); |
| printk(KERN_ERR "%s%d: Interrupt unavailable.\n", |
| name, instance); |
| goto error_iounmap; |
| } |
| } |
| |
| aac_adapter_enable_int(dev); |
| |
| /*max msix may change after EEH |
| * Re-assign vectors to fibs |
| */ |
| aac_fib_vector_assign(dev); |
| |
| if (!dev->sync_mode) { |
| /* After EEH recovery or suspend resume, max_msix count |
| * may change, therfore updating in init as well. |
| */ |
| aac_adapter_start(dev); |
| dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix); |
| } |
| return 0; |
| |
| error_iounmap: |
| return -1; |
| |
| } |
| |
| #if (defined(CONFIG_PM)) |
| static int aac_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct aac_dev *aac = (struct aac_dev *)shost->hostdata; |
| |
| scsi_block_requests(shost); |
| aac_send_shutdown(aac); |
| |
| aac_release_resources(aac); |
| |
| pci_set_drvdata(pdev, shost); |
| pci_save_state(pdev); |
| pci_disable_device(pdev); |
| pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| |
| return 0; |
| } |
| |
| static int aac_resume(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct aac_dev *aac = (struct aac_dev *)shost->hostdata; |
| int r; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_enable_wake(pdev, PCI_D0, 0); |
| pci_restore_state(pdev); |
| r = pci_enable_device(pdev); |
| |
| if (r) |
| goto fail_device; |
| |
| pci_set_master(pdev); |
| if (aac_acquire_resources(aac)) |
| goto fail_device; |
| /* |
| * reset this flag to unblock ioctl() as it was set at |
| * aac_send_shutdown() to block ioctls from upperlayer |
| */ |
| aac->adapter_shutdown = 0; |
| scsi_unblock_requests(shost); |
| |
| return 0; |
| |
| fail_device: |
| printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); |
| scsi_host_put(shost); |
| pci_disable_device(pdev); |
| return -ENODEV; |
| } |
| #endif |
| |
| static void aac_shutdown(struct pci_dev *dev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(dev); |
| scsi_block_requests(shost); |
| __aac_shutdown((struct aac_dev *)shost->hostdata); |
| } |
| |
| static void aac_remove_one(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct aac_dev *aac = (struct aac_dev *)shost->hostdata; |
| |
| scsi_remove_host(shost); |
| |
| __aac_shutdown(aac); |
| aac_fib_map_free(aac); |
| pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, |
| aac->comm_phys); |
| kfree(aac->queues); |
| |
| aac_adapter_ioremap(aac, 0); |
| |
| kfree(aac->fibs); |
| kfree(aac->fsa_dev); |
| |
| list_del(&aac->entry); |
| scsi_host_put(shost); |
| pci_disable_device(pdev); |
| if (list_empty(&aac_devices)) { |
| unregister_chrdev(aac_cfg_major, "aac"); |
| aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; |
| } |
| } |
| |
| static void aac_flush_ios(struct aac_dev *aac) |
| { |
| int i; |
| struct scsi_cmnd *cmd; |
| |
| for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) { |
| cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data; |
| if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) { |
| scsi_dma_unmap(cmd); |
| |
| if (aac->handle_pci_error) |
| cmd->result = DID_NO_CONNECT << 16; |
| else |
| cmd->result = DID_RESET << 16; |
| |
| cmd->scsi_done(cmd); |
| } |
| } |
| } |
| |
| static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, |
| enum pci_channel_state error) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct aac_dev *aac = shost_priv(shost); |
| |
| dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); |
| |
| switch (error) { |
| case pci_channel_io_normal: |
| return PCI_ERS_RESULT_CAN_RECOVER; |
| case pci_channel_io_frozen: |
| aac->handle_pci_error = 1; |
| |
| scsi_block_requests(aac->scsi_host_ptr); |
| aac_flush_ios(aac); |
| aac_release_resources(aac); |
| |
| pci_disable_pcie_error_reporting(pdev); |
| aac_adapter_ioremap(aac, 0); |
| |
| return PCI_ERS_RESULT_NEED_RESET; |
| case pci_channel_io_perm_failure: |
| aac->handle_pci_error = 1; |
| |
| aac_flush_ios(aac); |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) |
| { |
| dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) |
| { |
| dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); |
| pci_restore_state(pdev); |
| if (pci_enable_device(pdev)) { |
| dev_warn(&pdev->dev, |
| "aacraid: failed to enable slave\n"); |
| goto fail_device; |
| } |
| |
| pci_set_master(pdev); |
| |
| if (pci_enable_device_mem(pdev)) { |
| dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); |
| goto fail_device; |
| } |
| |
| return PCI_ERS_RESULT_RECOVERED; |
| |
| fail_device: |
| dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| |
| |
| static void aac_pci_resume(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct scsi_device *sdev = NULL; |
| struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); |
| |
| pci_cleanup_aer_uncorrect_error_status(pdev); |
| |
| if (aac_adapter_ioremap(aac, aac->base_size)) { |
| |
| dev_err(&pdev->dev, "aacraid: ioremap failed\n"); |
| /* remap failed, go back ... */ |
| aac->comm_interface = AAC_COMM_PRODUCER; |
| if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { |
| dev_warn(&pdev->dev, |
| "aacraid: unable to map adapter.\n"); |
| |
| return; |
| } |
| } |
| |
| msleep(10000); |
| |
| aac_acquire_resources(aac); |
| |
| /* |
| * reset this flag to unblock ioctl() as it was set |
| * at aac_send_shutdown() to block ioctls from upperlayer |
| */ |
| aac->adapter_shutdown = 0; |
| aac->handle_pci_error = 0; |
| |
| shost_for_each_device(sdev, shost) |
| if (sdev->sdev_state == SDEV_OFFLINE) |
| sdev->sdev_state = SDEV_RUNNING; |
| scsi_unblock_requests(aac->scsi_host_ptr); |
| scsi_scan_host(aac->scsi_host_ptr); |
| pci_save_state(pdev); |
| |
| dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); |
| } |
| |
| static struct pci_error_handlers aac_pci_err_handler = { |
| .error_detected = aac_pci_error_detected, |
| .mmio_enabled = aac_pci_mmio_enabled, |
| .slot_reset = aac_pci_slot_reset, |
| .resume = aac_pci_resume, |
| }; |
| |
| static struct pci_driver aac_pci_driver = { |
| .name = AAC_DRIVERNAME, |
| .id_table = aac_pci_tbl, |
| .probe = aac_probe_one, |
| .remove = aac_remove_one, |
| #if (defined(CONFIG_PM)) |
| .suspend = aac_suspend, |
| .resume = aac_resume, |
| #endif |
| .shutdown = aac_shutdown, |
| .err_handler = &aac_pci_err_handler, |
| }; |
| |
| static int __init aac_init(void) |
| { |
| int error; |
| |
| printk(KERN_INFO "Adaptec %s driver %s\n", |
| AAC_DRIVERNAME, aac_driver_version); |
| |
| error = pci_register_driver(&aac_pci_driver); |
| if (error < 0) |
| return error; |
| |
| aac_init_char(); |
| |
| |
| return 0; |
| } |
| |
| static void __exit aac_exit(void) |
| { |
| if (aac_cfg_major > -1) |
| unregister_chrdev(aac_cfg_major, "aac"); |
| pci_unregister_driver(&aac_pci_driver); |
| } |
| |
| module_init(aac_init); |
| module_exit(aac_exit); |