linit.c 53.2 KB
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/*
 *	Adaptec AAC series RAID controller driver
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 *	(c) Copyright 2001 Red Hat Inc.
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 *
 * based on the old aacraid driver that is..
 * Adaptec aacraid device driver for Linux.
 *
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 * Copyright (c) 2000-2010 Adaptec, Inc.
 *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
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 *
 * 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>
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#include <linux/aer.h>
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#include <linux/pci-aspm.h>
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#include <linux/slab.h>
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#include <linux/mutex.h>
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#include <linux/spinlock.h>
#include <linux/syscalls.h>
#include <linux/delay.h>
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#include <linux/kthread.h>
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#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"

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#define AAC_DRIVER_VERSION		"1.2-1"
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#ifndef AAC_DRIVER_BRANCH
#define AAC_DRIVER_BRANCH		""
#endif
#define AAC_DRIVERNAME			"aacraid"

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#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
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#define AAC_DRIVER_FULL_VERSION	AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
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#endif
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MODULE_AUTHOR("Red Hat Inc and Adaptec");
MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
		   "Adaptec Advanced Raid Products, "
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		   "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
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static DEFINE_MUTEX(aac_mutex);
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static LIST_HEAD(aac_devices);
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static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
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char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
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/*
 * 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.
 */
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static const struct pci_device_id aac_pci_tbl[] = {
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	{ 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) */
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	{ 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
	{ 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
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	{ 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
	{ 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
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	{ 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
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	{ 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
	{ 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
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	{ 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) */
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	{ 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
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	{ 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) */
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	{ 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
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	{ 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
	{ 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
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	{ 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
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	{ 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 */
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	{ 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 */
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	{ 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
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	{ 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 */
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	{ 0,}
};
MODULE_DEVICE_TABLE(pci, aac_pci_tbl);

/*
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 * dmb - For now we add the number of channels to this structure.
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 * 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[] = {
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	{ 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 */
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	{ 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) */
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	{ 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) */
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	{ 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) */
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	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
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	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
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	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
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	{ 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) */
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	{ NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
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	{ 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) */
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	{ 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) */
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	{ 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) */
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	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
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	{ aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
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	{ 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) */
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	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
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	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
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	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
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	{ 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)*/
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	{ aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
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	{ aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */

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	{ 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 */
236
	{ aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
237
	{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
238
	{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
239 240 241 242
	{ aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
	{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
	{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
	{ aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC } /* Adaptec PMC Series 9 */
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};

/**
 *	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().
253
 */
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255 256
static int aac_queuecommand(struct Scsi_Host *shost,
			    struct scsi_cmnd *cmd)
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{
258
	int r = 0;
259
	cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
260 261
	r = (aac_scsi_cmd(cmd) ? FAILED : 0);
	return r;
262
}
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/**
 *	aac_info		-	Returns the host adapter name
 *	@shost:		Scsi host to report on
 *
 *	Returns a static string describing the device in question
 */

271
static const char *aac_info(struct Scsi_Host *shost)
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{
	struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
	return aac_drivers[dev->cardtype].name;
}

/**
 *	aac_get_driver_ident
279
 *	@devtype: index into lookup table
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 *
281
 *	Returns a pointer to the entry in the driver lookup table.
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 */

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
 *
296 297 298
 *	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
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 *	disks equal to or larger than 1 GB to be addressable by the BIOS
300 301 302 303 304 305 306 307
 *	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
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 *	be displayed.
 */
310

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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);

337
	/*
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	 *	Read the first 1024 bytes from the disk device, if the boot
	 *	sector partition table is valid, search for a partition table
340
	 *	entry whose end_head matches one of the standard geometry
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	 *	translations ( 64/32, 128/32, 255/63 ).
	 */
	buf = scsi_bios_ptable(bdev);
344 345
	if (!buf)
		return 0;
346
	if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
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		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)
{
405
	struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
406 407
	if (aac->jbod && (sdev->type == TYPE_DISK))
		sdev->removable = 1;
408
	if ((sdev->type == TYPE_DISK) &&
409
			(sdev_channel(sdev) != CONTAINER_CHANNEL) &&
410
			(!aac->jbod || sdev->inq_periph_qual) &&
411
			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
412 413
		if (expose_physicals == 0)
			return -ENXIO;
414 415
		if (expose_physicals < 0)
			sdev->no_uld_attach = 1;
416 417
	}
	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
418 419
			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
			!sdev->no_uld_attach) {
420 421 422 423 424
		struct scsi_device * dev;
		struct Scsi_Host *host = sdev->host;
		unsigned num_lsu = 0;
		unsigned num_one = 0;
		unsigned depth;
425
		unsigned cid;
426

427 428 429 430
		/*
		 * Firmware has an individual device recovery time typically
		 * of 35 seconds, give us a margin.
		 */
431 432
		if (sdev->request_queue->rq_timeout < (45 * HZ))
			blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
433 434 435
		for (cid = 0; cid < aac->maximum_num_containers; ++cid)
			if (aac->fsa_dev[cid].valid)
				++num_lsu;
436 437
		__shost_for_each_device(dev, host) {
			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
438 439 440 441 442
					(!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)
443 444
					++num_lsu;
			} else
445 446 447 448 449 450 451 452 453
				++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;
454
		scsi_change_queue_depth(sdev, depth);
455
	} else {
456
		scsi_change_queue_depth(sdev, 1);
457

458
		sdev->tagged_supported = 1;
459
	}
460

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	return 0;
}

464 465 466 467 468 469 470 471 472
/**
 *	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.
 */

473
static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494
{
	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;
495 496 497 498
		return scsi_change_queue_depth(sdev, depth);
	}

	return scsi_change_queue_depth(sdev, 1);
499 500
}

501 502
static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
{
503 504
	struct scsi_device *sdev = to_scsi_device(dev);
	struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
505 506
	if (sdev_channel(sdev) != CONTAINER_CHANNEL)
		return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
507 508
		  ? "Hidden\n" :
		  ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
509
	return snprintf(buf, PAGE_SIZE, "%s\n",
510
	  get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
}

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,
};

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static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
{
	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
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	if (!capable(CAP_SYS_RAWIO))
		return -EPERM;
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	return aac_do_ioctl(dev, cmd, arg);
}

534 535
static int aac_eh_abort(struct scsi_cmnd* cmd)
{
536 537
	struct scsi_device * dev = cmd->device;
	struct Scsi_Host * host = dev->host;
538 539 540 541
	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
	int count;
	int ret = FAILED;

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	printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
543
		AAC_DRIVERNAME,
544
		host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
545
	switch (cmd->cmnd[0]) {
546
	case SERVICE_ACTION_IN_16:
547 548 549 550 551 552 553 554 555 556
		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 &&
557
			  (fib->flags & FIB_CONTEXT_FLAG) &&
558 559 560 561 562 563
			  (fib->callback_data == cmd)) {
				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
				cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
				ret = SUCCESS;
			}
		}
564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579
		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;
			}
		}
580 581 582 583
	}
	return ret;
}

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/*
 *	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;
595
	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
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	unsigned long flags;

598 599 600 601
	/* 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 &&
602
		  (fib->flags & FIB_CONTEXT_FLAG) &&
603 604 605 606 607
		  (fib->callback_data == cmd)) {
			fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
			cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
		}
	}
608
	printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
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					AAC_DRIVERNAME);
610 611 612

	if ((count = aac_check_health(aac)))
		return count;
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	/*
	 * Wait for all commands to complete to this specific
	 * target (block maximum 60 seconds).
	 */
	for (count = 60; count; --count) {
618 619 620
		int active = aac->in_reset;

		if (active == 0)
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		__shost_for_each_device(dev, host) {
			spin_lock_irqsave(&dev->list_lock, flags);
			list_for_each_entry(command, &dev->cmd_list, list) {
624 625
				if ((command != cmd) &&
				    (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
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					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);
643 644 645 646
	/*
	 * This adapter needs a blind reset, only do so for Adapters that
	 * support a register, instead of a commanded, reset.
	 */
647 648 649 650
	if (((aac->supplement_adapter_info.SupportedOptions2 &
	  AAC_OPTION_MU_RESET) ||
	  (aac->supplement_adapter_info.SupportedOptions2 &
	  AAC_OPTION_DOORBELL_RESET)) &&
651 652
	  aac_check_reset &&
	  ((aac_check_reset != 1) ||
653
	   !(aac->supplement_adapter_info.SupportedOptions2 &
654
	    AAC_OPTION_IGNORE_RESET)))
655
		aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
656
	return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
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}

/**
 *	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;
674
	unsigned minor_number = iminor(inode);
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	int err = -ENODEV;

677
	mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
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	list_for_each_entry(aac, &aac_devices, entry) {
679
		if (aac->id == minor_number) {
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			file->private_data = aac;
			err = 0;
			break;
		}
	}
685
	mutex_unlock(&aac_mutex);
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687
	return err;
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}

/**
 *	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
 */
703

704
static long aac_cfg_ioctl(struct file *file,
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		unsigned int cmd, unsigned long arg)
{
707 708
	struct aac_dev *aac = (struct aac_dev *)file->private_data;

709
	if (!capable(CAP_SYS_RAWIO))
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		return -EPERM;
711

712
	return aac_do_ioctl(aac, cmd, (void __user *)arg);
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}

#ifdef CONFIG_COMPAT
static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
{
	long ret;
719
	switch (cmd) {
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	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:
729
	case FSACTL_GET_CONTAINERS:
730
	case FSACTL_SEND_LARGE_FIB:
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		ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
		break;

	case FSACTL_GET_NEXT_ADAPTER_FIB: {
		struct fib_ioctl __user *f;
736

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		f = compat_alloc_user_space(sizeof(*f));
		ret = 0;
739
		if (clear_user(f, sizeof(*f)))
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			ret = -EFAULT;
		if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
			ret = -EFAULT;
		if (!ret)
744
			ret = aac_do_ioctl(dev, cmd, f);
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		break;
	}

	default:
749
		ret = -ENOIOCTLCMD;
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		break;
751
	}
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	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;
758 759
	if (!capable(CAP_SYS_RAWIO))
		return -EPERM;
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	return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}

static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
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	if (!capable(CAP_SYS_RAWIO))
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766
		return -EPERM;
767
	return aac_compat_do_ioctl(file->private_data, cmd, arg);
L
Linus Torvalds 已提交
768 769 770
}
#endif

771 772
static ssize_t aac_show_model(struct device *device,
			      struct device_attribute *attr, char *buf)
773
{
774
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
775 776
	int len;

777 778 779 780 781 782 783 784 785
	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",
786 787 788 789
		  aac_drivers[dev->cardtype].model);
	return len;
}

790 791
static ssize_t aac_show_vendor(struct device *device,
			       struct device_attribute *attr, char *buf)
792
{
793
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
794 795
	int len;

796 797 798 799 800 801 802 803 804
	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",
805 806 807 808
		  aac_drivers[dev->cardtype].vname);
	return len;
}

809 810
static ssize_t aac_show_flags(struct device *cdev,
			      struct device_attribute *attr, char *buf)
811 812
{
	int len = 0;
813
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
814 815 816 817 818 819 820 821 822 823

	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");
824 825
	if (dev->jbod)
		len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
826 827 828 829 830 831
	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");
832 833 834
	return len;
}

835 836 837
static ssize_t aac_show_kernel_version(struct device *device,
				       struct device_attribute *attr,
				       char *buf)
838
{
839
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
840 841 842
	int len, tmp;

	tmp = le32_to_cpu(dev->adapter_info.kernelrev);
843
	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
844 845 846 847 848
	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
	  le32_to_cpu(dev->adapter_info.kernelbuild));
	return len;
}

849 850 851
static ssize_t aac_show_monitor_version(struct device *device,
					struct device_attribute *attr,
					char *buf)
852
{
853
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
854 855 856
	int len, tmp;

	tmp = le32_to_cpu(dev->adapter_info.monitorrev);
857
	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
858 859 860 861 862
	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
	  le32_to_cpu(dev->adapter_info.monitorbuild));
	return len;
}

863 864 865
static ssize_t aac_show_bios_version(struct device *device,
				     struct device_attribute *attr,
				     char *buf)
866
{
867
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
868 869 870
	int len, tmp;

	tmp = le32_to_cpu(dev->adapter_info.biosrev);
871
	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
872 873 874 875 876
	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
	  le32_to_cpu(dev->adapter_info.biosbuild));
	return len;
}

877
static ssize_t aac_show_serial_number(struct device *device,
878
			       struct device_attribute *attr, char *buf)
879
{
880
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
881 882 883
	int len = 0;

	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
884
		len = snprintf(buf, 16, "%06X\n",
885
		  le32_to_cpu(dev->adapter_info.serial[0]));
886 887
	if (len &&
	  !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
888 889
	    sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
	  buf, len-1))
890
		len = snprintf(buf, 16, "%.*s\n",
891 892
		  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
		  dev->supplement_adapter_info.MfgPcbaSerialNo);
893 894

	return min(len, 16);
895 896
}

897 898
static ssize_t aac_show_max_channel(struct device *device,
				    struct device_attribute *attr, char *buf)
899 900
{
	return snprintf(buf, PAGE_SIZE, "%d\n",
901
	  class_to_shost(device)->max_channel);
902 903
}

904 905
static ssize_t aac_show_max_id(struct device *device,
			       struct device_attribute *attr, char *buf)
906 907
{
	return snprintf(buf, PAGE_SIZE, "%d\n",
908
	  class_to_shost(device)->max_id);
909 910
}

911 912 913
static ssize_t aac_store_reset_adapter(struct device *device,
				       struct device_attribute *attr,
				       const char *buf, size_t count)
914 915 916 917 918
{
	int retval = -EACCES;

	if (!capable(CAP_SYS_ADMIN))
		return retval;
919
	retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
920 921 922 923 924
	if (retval >= 0)
		retval = count;
	return retval;
}

925 926 927
static ssize_t aac_show_reset_adapter(struct device *device,
				      struct device_attribute *attr,
				      char *buf)
928
{
929
	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
930 931 932 933 934
	int len, tmp;

	tmp = aac_adapter_check_health(dev);
	if ((tmp == 0) && dev->in_reset)
		tmp = -EBUSY;
935
	len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
936 937
	return len;
}
938

939
static struct device_attribute aac_model = {
940 941 942 943 944 945
	.attr = {
		.name = "model",
		.mode = S_IRUGO,
	},
	.show = aac_show_model,
};
946
static struct device_attribute aac_vendor = {
947 948 949 950 951 952
	.attr = {
		.name = "vendor",
		.mode = S_IRUGO,
	},
	.show = aac_show_vendor,
};
953
static struct device_attribute aac_flags = {
954 955 956 957 958 959
	.attr = {
		.name = "flags",
		.mode = S_IRUGO,
	},
	.show = aac_show_flags,
};
960
static struct device_attribute aac_kernel_version = {
961 962 963 964 965 966
	.attr = {
		.name = "hba_kernel_version",
		.mode = S_IRUGO,
	},
	.show = aac_show_kernel_version,
};
967
static struct device_attribute aac_monitor_version = {
968 969 970 971 972 973
	.attr = {
		.name = "hba_monitor_version",
		.mode = S_IRUGO,
	},
	.show = aac_show_monitor_version,
};
974
static struct device_attribute aac_bios_version = {
975 976 977 978 979 980
	.attr = {
		.name = "hba_bios_version",
		.mode = S_IRUGO,
	},
	.show = aac_show_bios_version,
};
981
static struct device_attribute aac_serial_number = {
982 983 984 985 986 987
	.attr = {
		.name = "serial_number",
		.mode = S_IRUGO,
	},
	.show = aac_show_serial_number,
};
988
static struct device_attribute aac_max_channel = {
989 990 991 992 993 994
	.attr = {
		.name = "max_channel",
		.mode = S_IRUGO,
	},
	.show = aac_show_max_channel,
};
995
static struct device_attribute aac_max_id = {
996 997 998 999 1000 1001
	.attr = {
		.name = "max_id",
		.mode = S_IRUGO,
	},
	.show = aac_show_max_id,
};
1002
static struct device_attribute aac_reset = {
1003 1004 1005 1006 1007 1008 1009
	.attr = {
		.name = "reset_host",
		.mode = S_IWUSR|S_IRUGO,
	},
	.store = aac_store_reset_adapter,
	.show = aac_show_reset_adapter,
};
1010

1011
static struct device_attribute *aac_attrs[] = {
1012 1013
	&aac_model,
	&aac_vendor,
1014
	&aac_flags,
1015 1016 1017 1018
	&aac_kernel_version,
	&aac_monitor_version,
	&aac_bios_version,
	&aac_serial_number,
1019 1020
	&aac_max_channel,
	&aac_max_id,
1021
	&aac_reset,
1022 1023 1024
	NULL
};

1025 1026 1027 1028
ssize_t aac_get_serial_number(struct device *device, char *buf)
{
	return aac_show_serial_number(device, &aac_serial_number, buf);
}
1029

1030
static const struct file_operations aac_cfg_fops = {
L
Linus Torvalds 已提交
1031
	.owner		= THIS_MODULE,
1032
	.unlocked_ioctl	= aac_cfg_ioctl,
L
Linus Torvalds 已提交
1033 1034 1035 1036
#ifdef CONFIG_COMPAT
	.compat_ioctl   = aac_compat_cfg_ioctl,
#endif
	.open		= aac_cfg_open,
1037
	.llseek		= noop_llseek,
L
Linus Torvalds 已提交
1038 1039 1040 1041
};

static struct scsi_host_template aac_driver_template = {
	.module				= THIS_MODULE,
1042
	.name				= "AAC",
1043
	.proc_name			= AAC_DRIVERNAME,
1044 1045
	.info				= aac_info,
	.ioctl				= aac_ioctl,
L
Linus Torvalds 已提交
1046 1047 1048
#ifdef CONFIG_COMPAT
	.compat_ioctl			= aac_compat_ioctl,
#endif
1049 1050
	.queuecommand			= aac_queuecommand,
	.bios_param			= aac_biosparm,
1051
	.shost_attrs			= aac_attrs,
L
Linus Torvalds 已提交
1052
	.slave_configure		= aac_slave_configure,
1053
	.change_queue_depth		= aac_change_queue_depth,
1054
	.sdev_attrs			= aac_dev_attrs,
1055
	.eh_abort_handler		= aac_eh_abort,
L
Linus Torvalds 已提交
1056
	.eh_host_reset_handler		= aac_eh_reset,
1057 1058 1059 1060
	.can_queue			= AAC_NUM_IO_FIB,
	.this_id			= MAXIMUM_NUM_CONTAINERS,
	.sg_tablesize			= 16,
	.max_sectors			= 128,
L
Linus Torvalds 已提交
1061 1062
#if (AAC_NUM_IO_FIB > 256)
	.cmd_per_lun			= 256,
1063
#else
1064
	.cmd_per_lun			= AAC_NUM_IO_FIB,
1065
#endif
L
Linus Torvalds 已提交
1066
	.use_clustering			= ENABLE_CLUSTERING,
1067
	.emulated			= 1,
1068
	.no_write_same			= 1,
L
Linus Torvalds 已提交
1069 1070
};

1071 1072
static void __aac_shutdown(struct aac_dev * aac)
{
M
Mahesh Rajashekhara 已提交
1073
	int i;
1074
	int cpu;
M
Mahesh Rajashekhara 已提交
1075

1076 1077
	aac_send_shutdown(aac);

1078 1079 1080 1081 1082 1083 1084 1085 1086
	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);
		}
1087
		kthread_stop(aac->thread);
1088
	}
1089
	aac_adapter_disable_int(aac);
1090
	cpu = cpumask_first(cpu_online_mask);
M
Mahesh Rajashekhara 已提交
1091 1092 1093 1094 1095
	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) {
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106
			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);
M
Mahesh Rajashekhara 已提交
1107 1108
				free_irq(aac->msixentry[i].vector,
					 &(aac->aac_msix[i]));
1109
			}
M
Mahesh Rajashekhara 已提交
1110 1111 1112 1113 1114 1115 1116
		} else {
			free_irq(aac->pdev->irq,
				 &(aac->aac_msix[0]));
		}
	} else {
		free_irq(aac->pdev->irq, aac);
	}
1117 1118
	if (aac->msi)
		pci_disable_msi(aac->pdev);
M
Mahesh Rajashekhara 已提交
1119 1120
	else if (aac->max_msix > 1)
		pci_disable_msix(aac->pdev);
1121
}
1122 1123 1124 1125 1126 1127 1128
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");
	}
}
1129

1130
static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
L
Linus Torvalds 已提交
1131 1132 1133 1134 1135 1136 1137
{
	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;
1138
	u64 dmamask;
1139
	extern int aac_sync_mode;
L
Linus Torvalds 已提交
1140

1141 1142 1143 1144 1145 1146
	/*
	 * Only series 7 needs freset.
	 */
	 if (pdev->device == PMC_DEVICE_S7)
		pdev->needs_freset = 1;

L
Linus Torvalds 已提交
1147 1148 1149 1150 1151 1152 1153
	list_for_each_entry(aac, &aac_devices, entry) {
		if (aac->id > unique_id)
			break;
		insert = &aac->entry;
		unique_id++;
	}

1154 1155 1156
	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
			       PCIE_LINK_STATE_CLKPM);

1157 1158
	error = pci_enable_device(pdev);
	if (error)
L
Linus Torvalds 已提交
1159
		goto out;
1160
	error = -ENODEV;
L
Linus Torvalds 已提交
1161 1162 1163 1164 1165

	/*
	 * If the quirk31 bit is set, the adapter needs adapter
	 * to driver communication memory to be allocated below 2gig
	 */
1166
	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1167 1168 1169 1170 1171 1172 1173
		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;
1174

L
Linus Torvalds 已提交
1175 1176 1177 1178 1179 1180 1181 1182
	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;
1183
	shost->max_cmd_len = 16;
1184
	shost->use_cmd_list = 1;
L
Linus Torvalds 已提交
1185

1186 1187 1188
	if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
		aac_init_char();

L
Linus Torvalds 已提交
1189
	aac = (struct aac_dev *)shost->hostdata;
1190
	aac->base_start = pci_resource_start(pdev, 0);
1191
	aac->scsi_host_ptr = shost;
L
Linus Torvalds 已提交
1192 1193 1194
	aac->pdev = pdev;
	aac->name = aac_driver_template.name;
	aac->id = shost->unique_id;
1195
	aac->cardtype = index;
L
Linus Torvalds 已提交
1196 1197
	INIT_LIST_HEAD(&aac->entry);

1198
	aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
L
Linus Torvalds 已提交
1199 1200 1201 1202
	if (!aac->fibs)
		goto out_free_host;
	spin_lock_init(&aac->fib_lock);

1203
	mutex_init(&aac->ioctl_mutex);
1204 1205 1206 1207 1208 1209 1210
	/*
	 *	Map in the registers from the adapter.
	 */
	aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
	if ((*aac_drivers[index].init)(aac))
		goto out_unmap;

1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225
	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);
	}

1226 1227 1228
	/*
	 *	Start any kernel threads needed
	 */
1229 1230
	aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
	if (IS_ERR(aac->thread)) {
1231
		printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1232
		error = PTR_ERR(aac->thread);
1233
		aac->thread = NULL;
1234 1235
		goto out_deinit;
	}
L
Linus Torvalds 已提交
1236 1237 1238 1239 1240 1241 1242

	/*
	 * 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)
1243
		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1244
			goto out_deinit;
1245

1246
	aac->maximum_num_channels = aac_drivers[index].channels;
1247 1248 1249
	error = aac_get_adapter_info(aac);
	if (error < 0)
		goto out_deinit;
L
Linus Torvalds 已提交
1250 1251

	/*
1252 1253
	 * Lets override negotiations and drop the maximum SG limit to 34
	 */
1254
	if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1255 1256 1257
			(shost->sg_tablesize > 34)) {
		shost->sg_tablesize = 34;
		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1258
	}
1259

1260
	if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1261 1262 1263
			(shost->sg_tablesize > 17)) {
		shost->sg_tablesize = 17;
		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1264
	}
1265

1266 1267 1268 1269 1270 1271
	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;

1272
	/*
1273
	 * Firmware printf works only with older firmware.
1274
	 */
1275
	if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1276 1277 1278
		aac->printf_enabled = 1;
	else
		aac->printf_enabled = 0;
1279

1280
	/*
L
Linus Torvalds 已提交
1281
	 * max channel will be the physical channels plus 1 virtual channel
1282
	 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
L
Linus Torvalds 已提交
1283 1284
	 * physical channels are address by their actual physical number+1
	 */
1285
	if (aac->nondasd_support || expose_physicals || aac->jbod)
1286
		shost->max_channel = aac->maximum_num_channels;
L
Linus Torvalds 已提交
1287
	else
1288
		shost->max_channel = 0;
L
Linus Torvalds 已提交
1289

1290
	aac_get_config_status(aac, 0);
L
Linus Torvalds 已提交
1291 1292 1293 1294
	aac_get_containers(aac);
	list_add(&aac->entry, insert);

	shost->max_id = aac->maximum_num_containers;
1295 1296
	if (shost->max_id < aac->maximum_num_physicals)
		shost->max_id = aac->maximum_num_physicals;
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Linus Torvalds 已提交
1297 1298 1299 1300 1301
	if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
		shost->max_id = MAXIMUM_NUM_CONTAINERS;
	else
		shost->this_id = shost->max_id;

1302 1303
	if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
		aac_intr_normal(aac, 0, 2, 0, NULL);
1304

L
Linus Torvalds 已提交
1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317
	/*
	 * 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);

1318 1319 1320
	pci_enable_pcie_error_reporting(pdev);
	pci_save_state(pdev);

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Linus Torvalds 已提交
1321 1322
	return 0;

1323
 out_deinit:
1324
	__aac_shutdown(aac);
1325
 out_unmap:
1326
	aac_fib_map_free(aac);
1327 1328 1329
	if (aac->comm_addr)
		pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
		  aac->comm_phys);
L
Linus Torvalds 已提交
1330
	kfree(aac->queues);
1331
	aac_adapter_ioremap(aac, 0);
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Linus Torvalds 已提交
1332 1333 1334 1335 1336 1337 1338 1339 1340 1341
	kfree(aac->fibs);
	kfree(aac->fsa_dev);
 out_free_host:
	scsi_host_put(shost);
 out_disable_pdev:
	pci_disable_device(pdev);
 out:
	return error;
}

1342
static void aac_release_resources(struct aac_dev *aac)
1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427
{
	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);

1428 1429 1430 1431 1432 1433 1434 1435 1436 1437
	/*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.
		 */
		dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
1438
		aac_adapter_start(dev);
1439
	}
1440 1441 1442 1443 1444 1445
	return 0;

error_iounmap:
	return -1;

}
1446 1447

#if (defined(CONFIG_PM))
1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483
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;
M
Mahesh Rajashekhara 已提交
1484 1485 1486 1487 1488
	/*
	* reset this flag to unblock ioctl() as it was set at
	* aac_send_shutdown() to block ioctls from upperlayer
	*/
	aac->adapter_shutdown = 0;
1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500
	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

1501 1502 1503
static void aac_shutdown(struct pci_dev *dev)
{
	struct Scsi_Host *shost = pci_get_drvdata(dev);
1504
	scsi_block_requests(shost);
1505
	__aac_shutdown((struct aac_dev *)shost->hostdata);
1506 1507
}

1508
static void aac_remove_one(struct pci_dev *pdev)
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Linus Torvalds 已提交
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{
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;

	scsi_remove_host(shost);

1515
	__aac_shutdown(aac);
1516
	aac_fib_map_free(aac);
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1517 1518 1519 1520
	pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
			aac->comm_phys);
	kfree(aac->queues);

1521
	aac_adapter_ioremap(aac, 0);
1522

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Linus Torvalds 已提交
1523
	kfree(aac->fibs);
1524
	kfree(aac->fsa_dev);
1525

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1526 1527 1528
	list_del(&aac->entry);
	scsi_host_put(shost);
	pci_disable_device(pdev);
1529 1530
	if (list_empty(&aac_devices)) {
		unregister_chrdev(aac_cfg_major, "aac");
1531
		aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1532
	}
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}

1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666
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,
};

L
Linus Torvalds 已提交
1667 1668 1669 1670
static struct pci_driver aac_pci_driver = {
	.name		= AAC_DRIVERNAME,
	.id_table	= aac_pci_tbl,
	.probe		= aac_probe_one,
1671
	.remove		= aac_remove_one,
1672 1673 1674 1675
#if (defined(CONFIG_PM))
	.suspend	= aac_suspend,
	.resume		= aac_resume,
#endif
1676
	.shutdown	= aac_shutdown,
1677
	.err_handler    = &aac_pci_err_handler,
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Linus Torvalds 已提交
1678 1679 1680 1681 1682
};

static int __init aac_init(void)
{
	int error;
1683

1684
	printk(KERN_INFO "Adaptec %s driver %s\n",
1685
	  AAC_DRIVERNAME, aac_driver_version);
L
Linus Torvalds 已提交
1686

1687 1688
	error = pci_register_driver(&aac_pci_driver);
	if (error < 0)
L
Linus Torvalds 已提交
1689 1690
		return error;

1691 1692
	aac_init_char();

1693

L
Linus Torvalds 已提交
1694 1695 1696 1697 1698
	return 0;
}

static void __exit aac_exit(void)
{
1699 1700
	if (aac_cfg_major > -1)
		unregister_chrdev(aac_cfg_major, "aac");
L
Linus Torvalds 已提交
1701 1702 1703 1704 1705
	pci_unregister_driver(&aac_pci_driver);
}

module_init(aac_init);
module_exit(aac_exit);