cregit-Linux how code gets into the kernel

Release 4.11 drivers/scsi/aacraid/linit.c

/*
 *      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.
 *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
 *               2016-2017 Microsemi Corp. (aacraid@microsemi.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 */
	{ 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, 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_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; }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman1226.67%116.67%
Christoph Hellwig1226.67%116.67%
Mahesh Rajashekhara1124.44%116.67%
Mark Haverkamp817.78%233.33%
Alan Cox24.44%116.67%
Total45100.00%6100.00%

/** * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Hellwig1540.54%125.00%
Mahesh Rajashekhara1232.43%125.00%
Alan Cox924.32%125.00%
Adrian Bunk12.70%125.00%
Total37100.00%4100.00%

/** * 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]; }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Hellwig1482.35%150.00%
Alan Cox317.65%150.00%
Total17100.00%2100.00%

/** * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Hellwig31372.12%114.29%
Alan Cox10223.50%114.29%
Mark Haverkamp92.07%228.57%
James Bottomley92.07%228.57%
Mark Salyzyn10.23%114.29%
Total434100.00%7100.00%

/** * 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; int chn, tid; unsigned int depth = 0; unsigned int set_timeout = 0; chn = aac_logical_to_phys(sdev_channel(sdev)); tid = sdev_id(sdev); if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) { depth = aac->hba_map[chn][tid].qd_limit; set_timeout = 1; goto common_config; } 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 cid; set_timeout = 1; 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; } common_config: /* * Firmware has an individual device recovery time typically * of 35 seconds, give us a margin. */ if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ)) blk_queue_rq_timeout(sdev->request_queue, 45*HZ); if (depth > 256) depth = 256; else if (depth < 1) depth = 1; scsi_change_queue_depth(sdev, depth); sdev->tagged_supported = 1; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Salyzyn15032.97%436.36%
Mark Haverkamp14932.75%218.18%
Raghava Aditya Renukunta12727.91%218.18%
Alan Cox153.30%19.09%
Christoph Hellwig143.08%218.18%
Total455100.00%11100.00%

/** * 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) { struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); int chn, tid, is_native_device = 0; chn = aac_logical_to_phys(sdev_channel(sdev)); tid = sdev_id(sdev); if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) is_native_device = 1; 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); } else if (is_native_device) { scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit); } else { scsi_change_queue_depth(sdev, 1); } return sdev->queue_depth; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Salyzyn16360.15%133.33%
Raghava Aditya Renukunta10438.38%133.33%
Christoph Hellwig41.48%133.33%
Total271100.00%3100.00%


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)); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Salyzyn116100.00%2100.00%
Total116100.00%2100.00%

static struct device_attribute aac_raid_level_attr = { .attr = { .name = "level", .mode = S_IRUGO, }, .show = aac_show_raid_level };
static ssize_t aac_show_unique_id(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); unsigned char sn[16]; memset(sn, 0, sizeof(sn)); if (sdev_channel(sdev) == CONTAINER_CHANNEL) memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn)); return snprintf(buf, 16 * 2 + 2, "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n", sn[0], sn[1], sn[2], sn[3], sn[4], sn[5], sn[6], sn[7], sn[8], sn[9], sn[10], sn[11], sn[12], sn[13], sn[14], sn[15]); }

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PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta192100.00%2100.00%
Total192100.00%2100.00%

static struct device_attribute aac_unique_id_attr = { .attr = { .name = "unique_id", .mode = 0444, }, .show = aac_show_unique_id }; static struct device_attribute *aac_dev_attrs[] = { &aac_raid_level_attr, &aac_unique_id_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); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox3459.65%250.00%
Christoph Hellwig2238.60%125.00%
Al Viro11.75%125.00%
Total57100.00%4100.00%


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, found; u32 bus, cid; int ret = FAILED; bus = aac_logical_to_phys(scmd_channel(cmd)); cid = scmd_id(cmd); if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { struct fib *fib; struct aac_hba_tm_req *tmf; int status; u64 address; __le32 managed_request_id; pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n", AAC_DRIVERNAME, host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun); found = 0; for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { fib = &aac->fibs[count]; if (*(u8 *)fib->hw_fib_va != 0 && (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) && (fib->callback_data == cmd)) { found = 1; managed_request_id = ((struct aac_hba_cmd_req *) fib->hw_fib_va)->request_id; break; } } if (!found) return ret; /* start a HBA_TMF_ABORT_TASK TMF request */ fib = aac_fib_alloc(aac); if (!fib) return ret; tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; memset(tmf, 0, sizeof(*tmf)); tmf->tmf = HBA_TMF_ABORT_TASK; tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; tmf->lun[1] = cmd->device->lun; address = (u64)fib->hw_error_pa; tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); fib->hbacmd_size = sizeof(*tmf); cmd->SCp.sent_command = 0; status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib, (fib_callback) aac_hba_callback, (void *) cmd); /* Wait up to 2 minutes for completion */ for (count = 0; count < 120; ++count) { if (cmd->SCp.sent_command) { ret = SUCCESS; break; } msleep(1000); } if (ret != SUCCESS) pr_err("%s: Host adapter abort request timed out\n", AAC_DRIVERNAME); } else { pr_err( "%s: Host adapter abort request.\n" "%s: Outstanding commands on (%d,%d,%d,%d):\n", AAC_DRIVERNAME, AAC_DRIVERNAME, host->host_no, sdev_channel(dev), sdev_id(dev), (int)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]; command = fib->callback_data; if ((fib->hw_fib_va->header.XferState & cpu_to_le32 (Async | NoResponseExpected)) && (fib->flags & FIB_CONTEXT_FLAG) && ((command)) && (command->device == cmd->device)) { fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; command->SCp.phase = AAC_OWNER_ERROR_HANDLER; if (command == cmd) ret = SUCCESS; } } break; } } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta64187.09%125.00%
Mark Haverkamp628.42%125.00%
Mark Salyzyn334.48%250.00%
Total736100.00%4100.00%

/* * 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 aac_dev * aac = (struct aac_dev *)host->hostdata; int count; u32 bus, cid; int ret = FAILED; bus = aac_logical_to_phys(scmd_channel(cmd)); cid = scmd_id(cmd); if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS && aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { struct fib *fib; int status; u64 address; u8 command; pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); fib = aac_fib_alloc(aac); if (!fib) return ret; if (aac->hba_map[bus][cid].reset_state == 0) { struct aac_hba_tm_req *tmf; /* start a HBA_TMF_LUN_RESET TMF request */ tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; memset(tmf, 0, sizeof(*tmf)); tmf->tmf = HBA_TMF_LUN_RESET; tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; tmf->lun[1] = cmd->device->lun; address = (u64)fib->hw_error_pa; tmf->error_ptr_hi = cpu_to_le32 ((u32)(address >> 32)); tmf->error_ptr_lo = cpu_to_le32 ((u32)(address & 0xffffffff)); tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); fib->hbacmd_size = sizeof(*tmf); command = HBA_IU_TYPE_SCSI_TM_REQ; aac->hba_map[bus][cid].reset_state++; } else if (aac->hba_map[bus][cid].reset_state >= 1) { struct aac_hba_reset_req *rst; /* already tried, start a hard reset now */ rst = (struct aac_hba_reset_req *)fib->hw_fib_va; memset(rst, 0, sizeof(*rst)); /* reset_type is already zero... */ rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus; address = (u64)fib->hw_error_pa; rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); rst->error_ptr_lo = cpu_to_le32 ((u32)(address & 0xffffffff)); rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); fib->hbacmd_size = sizeof(*rst); command = HBA_IU_TYPE_SATA_REQ; aac->hba_map[bus][cid].reset_state = 0; } cmd->SCp.sent_command = 0; status = aac_hba_send(command, fib, (fib_callback) aac_hba_callback, (void *) cmd); /* Wait up to 2 minutes for completion */ for (count = 0; count < 120; ++count) { if (cmd->SCp.sent_command) { ret = SUCCESS; break; } msleep(1000); } if (ret != SUCCESS) pr_err("%s: Host adapter reset request timed out\n", AAC_DRIVERNAME); } else { struct scsi_cmnd *command; unsigned long flags; /* Mark the assoc. 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; } } pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); count = aac_check_health(aac); if (count) 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); } pr_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.supported_options2 & AAC_OPTION_MU_RESET) || (aac->supplement_adapter_info.supported_options2 & AAC_OPTION_DOORBELL_RESET)) && aac_check_reset && ((aac_check_reset != 1) || !(aac->supplement_adapter_info.supported_options2 & AAC_OPTION_IGNORE_RESET))) { /* Bypass wait for command quiesce */ aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET); } ret = SUCCESS; } /* * Cause an immediate retry of the command with a ten second delay * after successful tur */ return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta49861.63%318.75%
Mark Haverkamp23228.71%637.50%
Mark Salyzyn637.80%425.00%
Mahesh Rajashekhara111.36%16.25%
Jeff Garzik20.25%16.25%
Alan Cox20.25%16.25%
Total808100.00%16100.00%

/** * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp3643.90%337.50%
Alan Cox1720.73%112.50%
Christoph Hellwig1315.85%112.50%
Arnd Bergmann1012.20%112.50%
James Bottomley33.66%112.50%
Jonathan Corbet33.66%112.50%
Total82100.00%8100.00%

/** * 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); }

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PersonTokensPropCommitsCommitProp
Christoph Hellwig2948.33%112.50%
Alan Cox1321.67%337.50%
Mahesh Rajashekhara1220.00%112.50%
Raghava Aditya Renukunta46.67%112.50%
Al Viro11.67%112.50%
Arnd Bergmann11.67%112.50%
Total60100.00%8100.00%

#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; }

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PersonTokensPropCommitsCommitProp
Andi Kleen17397.19%133.33%
Mark Haverkamp52.81%266.67%
Total178100.00%3100.00%


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); }

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PersonTokensPropCommitsCommitProp
Andi Kleen4472.13%133.33%
Dan Carpenter1219.67%133.33%
James Bottomley58.20%133.33%
Total61100.00%3100.00%


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); }

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PersonTokensPropCommitsCommitProp
Andi Kleen3071.43%133.33%
Alan Cox1228.57%266.67%
Total42100.00%3100.00%

#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.adapter_type_text[0]) { char *cp = dev->supplement_adapter_info.adapter_type_text; 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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp11391.87%250.00%
Tony Jones86.50%125.00%
Raghava Aditya Renukunta21.63%125.00%
Total123100.00%4100.00%


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; struct aac_supplement_adapter_info *sup_adap_info; int len; sup_adap_info = &dev->supplement_adapter_info; if (sup_adap_info->adapter_type_text[0]) { char *cp = sup_adap_info->adapter_type_text; while (*cp && *cp != ' ') ++cp; len = snprintf(buf, PAGE_SIZE, "%.*s\n", (int)(cp - (char *)sup_adap_info->adapter_type_text), sup_adap_info->adapter_type_text); } else len = snprintf(buf, PAGE_SIZE, "%s\n", aac_drivers[dev->cardtype].vname); return len; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp11079.71%250.00%
Raghava Aditya Renukunta2014.49%125.00%
Tony Jones85.80%125.00%
Total138100.00%4100.00%


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.supported_options2 & 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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Salyzyn16994.94%360.00%
Tony Jones84.49%120.00%
Raghava Aditya Renukunta10.56%120.00%
Total178100.00%5100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp8491.30%150.00%
Tony Jones88.70%150.00%
Total92100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp8491.30%150.00%
Tony Jones88.70%150.00%
Total92100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp8491.30%150.00%
Tony Jones88.70%150.00%
Total92100.00%2100.00%


static ssize_t aac_show_driver_version(struct device *device, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version); }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta32100.00%1100.00%
Total32100.00%1100.00%


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.mfg_pcba_serial_no[ sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len], buf, len-1)) len = snprintf(buf, 16, "%.*s\n", (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no), dev->supplement_adapter_info.mfg_pcba_serial_no); return min(len, 16); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp7348.34%114.29%
Mark Salyzyn5838.41%228.57%
Tony Jones85.30%114.29%
Dan Carpenter74.64%114.29%
Raghava Aditya Renukunta42.65%114.29%
Harvey Harrison10.66%114.29%
Total151100.00%7100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp2978.38%150.00%
Tony Jones821.62%150.00%
Total37100.00%2100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp2978.38%150.00%
Tony Jones821.62%150.00%
Total37100.00%2100.00%


static ssize_t aac_store_reset_adapter(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { int retval = -EACCES; int bled = 0; struct aac_dev *aac; if (!capable(CAP_SYS_ADMIN)) return retval; aac = (struct aac_dev *)class_to_shost(device)->hostdata; bled = buf[0] == '!' ? 1:0; retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET); if (retval >= 0) retval = count; return retval; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Salyzyn6664.71%133.33%
Raghava Aditya Renukunta2827.45%133.33%
Tony Jones87.84%133.33%
Total102100.00%3100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Salyzyn7490.24%266.67%
Tony Jones89.76%133.33%
Total82100.00%3100.00%

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_lld_version = { .attr = { .name = "driver_version", .mode = 0444, }, .show = aac_show_driver_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_lld_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); }

Contributors

PersonTokensPropCommitsCommitProp
Tony Jones25100.00%1100.00%
Total25100.00%1100.00%

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; aac->adapter_shutdown = 1; 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); 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(pci_irq_vector(aac->pdev, i), &(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); }

Contributors

PersonTokensPropCommitsCommitProp
Mahesh Rajashekhara12544.96%222.22%
Benjamin Collins8530.58%111.11%
Mark Salyzyn5319.06%333.33%
Raghava Aditya Renukunta113.96%222.22%
Hannes Reinecke41.44%111.11%
Total278100.00%9100.00%


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"); } }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta33100.00%1100.00%
Total33100.00%1100.00%


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; if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC) aac_intr_normal(aac, 0, 2, 0, NULL); /* * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp36538.87%1840.00%
Christoph Hellwig26628.33%36.67%
Alan Cox697.35%24.44%
Raghava Aditya Renukunta606.39%613.33%
Mark Salyzyn555.86%511.11%
Mahesh Rajashekhara505.32%24.44%
Rolf Eike Beer202.13%12.22%
Benjamin Collins171.81%24.44%
Hannes Reinecke111.17%12.22%
Vasily Averin111.17%12.22%
Kashyap Desai60.64%12.22%
James Bottomley50.53%24.44%
Yang Hongyang40.43%12.22%
Total939100.00%45100.00%


static void aac_release_resources(struct aac_dev *aac) { aac_adapter_disable_int(aac); aac_free_irq(aac); }

Contributors

PersonTokensPropCommitsCommitProp
Mahesh Rajashekhara1990.48%133.33%
Fengguang Wu14.76%133.33%
Raghava Aditya Renukunta14.76%133.33%
Total21100.00%3100.00%


static int aac_acquire_resources(struct aac_dev *dev) { 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 (aac_acquire_irq(dev)) 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, therefore updating in init as well. */ dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix); aac_adapter_start(dev); } return 0; error_iounmap: return -1; }

Contributors

PersonTokensPropCommitsCommitProp
Mahesh Rajashekhara13181.37%116.67%
Raghava Aditya Renukunta2918.01%466.67%
Masahiro Yamada10.62%116.67%
Total161100.00%6100.00%

#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; }

Contributors

PersonTokensPropCommitsCommitProp
Mahesh Rajashekhara85100.00%1100.00%
Total85100.00%1100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Mahesh Rajashekhara133100.00%2100.00%
Total133100.00%2100.00%

#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); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp3181.58%150.00%
Mark Salyzyn718.42%150.00%
Total38100.00%2100.00%


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; } }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Hellwig7555.15%110.00%
Mark Haverkamp4331.62%660.00%
Alan Cox1611.76%110.00%
Raghava Aditya Renukunta10.74%110.00%
Mark Salyzyn10.74%110.00%
Total136100.00%10100.00%


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); } } }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta9489.52%120.00%
Mahesh Rajashekhara54.76%120.00%
James Bottomley32.86%120.00%
Alan Cox21.90%120.00%
Christoph Hellwig10.95%120.00%
Total105100.00%5100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta11999.17%150.00%
Mark Haverkamp10.83%150.00%
Total120100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta24100.00%1100.00%
Total24100.00%1100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta93100.00%1100.00%
Total93100.00%1100.00%


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"); }

Contributors

PersonTokensPropCommitsCommitProp
Raghava Aditya Renukunta172100.00%1100.00%
Total172100.00%1100.00%

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; }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Hellwig1942.22%116.67%
James Bottomley1840.00%116.67%
Mark Haverkamp511.11%233.33%
Raghava Aditya Renukunta24.44%116.67%
Mark Salyzyn12.22%116.67%
Total45100.00%6100.00%


static void __exit aac_exit(void) { if (aac_cfg_major > -1) unregister_chrdev(aac_cfg_major, "aac"); pci_unregister_driver(&aac_pci_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Hellwig1448.28%133.33%
James Bottomley827.59%133.33%
Mark Haverkamp724.14%133.33%
Total29100.00%3100.00%

module_init(aac_init); module_exit(aac_exit);

Overall Contributors

PersonTokensPropCommitsCommitProp
Mark Haverkamp316530.98%4632.39%
Raghava Aditya Renukunta245023.98%2114.79%
Christoph Hellwig130912.81%42.82%
Mark Salyzyn117711.52%2416.90%
Mahesh Rajashekhara6886.74%85.63%
Alan Cox5985.85%53.52%
Andi Kleen2722.66%10.70%
James Bottomley1581.55%42.82%
Tony Jones1241.21%10.70%
Benjamin Collins1021.00%21.41%
Arnd Bergmann240.23%32.11%
Hannes Reinecke210.21%21.41%
Rolf Eike Beer200.20%10.70%
Dan Carpenter190.19%21.41%
Greg Kroah-Hartman190.19%10.70%
Vasily Averin140.14%10.70%
Dave Jones110.11%10.70%
Kashyap Desai60.06%10.70%
Achim Leubner50.05%10.70%
Jonathan Corbet50.05%10.70%
Jeff Garzik50.05%10.70%
Martin K. Petersen50.05%10.70%
Yang Hongyang40.04%10.70%
Matt Domsch40.04%10.70%
Andrew Morton20.02%10.70%
Al Viro20.02%10.70%
Harvey Harrison10.01%10.70%
Masahiro Yamada10.01%10.70%
Michal Marek10.01%10.70%
Fengguang Wu10.01%10.70%
Adrian Bunk10.01%10.70%
Arjan van de Ven10.01%10.70%
Total10215100.00%142100.00%
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