Release 4.11 drivers/scsi/ipr.c
/*
* ipr.c -- driver for IBM Power Linux RAID adapters
*
* Written By: Brian King <brking@us.ibm.com>, IBM Corporation
*
* Copyright (C) 2003, 2004 IBM Corporation
*
* 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 of the License, 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* Notes:
*
* This driver is used to control the following SCSI adapters:
*
* IBM iSeries: 5702, 5703, 2780, 5709, 570A, 570B
*
* IBM pSeries: PCI-X Dual Channel Ultra 320 SCSI RAID Adapter
* PCI-X Dual Channel Ultra 320 SCSI Adapter
* PCI-X Dual Channel Ultra 320 SCSI RAID Enablement Card
* Embedded SCSI adapter on p615 and p655 systems
*
* Supported Hardware Features:
* - Ultra 320 SCSI controller
* - PCI-X host interface
* - Embedded PowerPC RISC Processor and Hardware XOR DMA Engine
* - Non-Volatile Write Cache
* - Supports attachment of non-RAID disks, tape, and optical devices
* - RAID Levels 0, 5, 10
* - Hot spare
* - Background Parity Checking
* - Background Data Scrubbing
* - Ability to increase the capacity of an existing RAID 5 disk array
* by adding disks
*
* Driver Features:
* - Tagged command queuing
* - Adapter microcode download
* - PCI hot plug
* - SCSI device hot plug
*
*/
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/wait.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/blkdev.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/libata.h>
#include <linux/hdreg.h>
#include <linux/reboot.h>
#include <linux/stringify.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/processor.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_cmnd.h>
#include "ipr.h"
/*
* Global Data
*/
static LIST_HEAD(ipr_ioa_head);
static unsigned int ipr_log_level = IPR_DEFAULT_LOG_LEVEL;
static unsigned int ipr_max_speed = 1;
static int ipr_testmode = 0;
static unsigned int ipr_fastfail = 0;
static unsigned int ipr_transop_timeout = 0;
static unsigned int ipr_debug = 0;
static unsigned int ipr_max_devs = IPR_DEFAULT_SIS64_DEVS;
static unsigned int ipr_dual_ioa_raid = 1;
static unsigned int ipr_number_of_msix = 16;
static unsigned int ipr_fast_reboot;
static DEFINE_SPINLOCK(ipr_driver_lock);
/* This table describes the differences between DMA controller chips */
static const struct ipr_chip_cfg_t ipr_chip_cfg[] = {
{ /* Gemstone, Citrine, Obsidian, and Obsidian-E */
.mailbox = 0x0042C,
.max_cmds = 100,
.cache_line_size = 0x20,
.clear_isr = 1,
.iopoll_weight = 0,
{
.set_interrupt_mask_reg = 0x0022C,
.clr_interrupt_mask_reg = 0x00230,
.clr_interrupt_mask_reg32 = 0x00230,
.sense_interrupt_mask_reg = 0x0022C,
.sense_interrupt_mask_reg32 = 0x0022C,
.clr_interrupt_reg = 0x00228,
.clr_interrupt_reg32 = 0x00228,
.sense_interrupt_reg = 0x00224,
.sense_interrupt_reg32 = 0x00224,
.ioarrin_reg = 0x00404,
.sense_uproc_interrupt_reg = 0x00214,
.sense_uproc_interrupt_reg32 = 0x00214,
.set_uproc_interrupt_reg = 0x00214,
.set_uproc_interrupt_reg32 = 0x00214,
.clr_uproc_interrupt_reg = 0x00218,
.clr_uproc_interrupt_reg32 = 0x00218
}
},
{ /* Snipe and Scamp */
.mailbox = 0x0052C,
.max_cmds = 100,
.cache_line_size = 0x20,
.clear_isr = 1,
.iopoll_weight = 0,
{
.set_interrupt_mask_reg = 0x00288,
.clr_interrupt_mask_reg = 0x0028C,
.clr_interrupt_mask_reg32 = 0x0028C,
.sense_interrupt_mask_reg = 0x00288,
.sense_interrupt_mask_reg32 = 0x00288,
.clr_interrupt_reg = 0x00284,
.clr_interrupt_reg32 = 0x00284,
.sense_interrupt_reg = 0x00280,
.sense_interrupt_reg32 = 0x00280,
.ioarrin_reg = 0x00504,
.sense_uproc_interrupt_reg = 0x00290,
.sense_uproc_interrupt_reg32 = 0x00290,
.set_uproc_interrupt_reg = 0x00290,
.set_uproc_interrupt_reg32 = 0x00290,
.clr_uproc_interrupt_reg = 0x00294,
.clr_uproc_interrupt_reg32 = 0x00294
}
},
{ /* CRoC */
.mailbox = 0x00044,
.max_cmds = 1000,
.cache_line_size = 0x20,
.clear_isr = 0,
.iopoll_weight = 64,
{
.set_interrupt_mask_reg = 0x00010,
.clr_interrupt_mask_reg = 0x00018,
.clr_interrupt_mask_reg32 = 0x0001C,
.sense_interrupt_mask_reg = 0x00010,
.sense_interrupt_mask_reg32 = 0x00014,
.clr_interrupt_reg = 0x00008,
.clr_interrupt_reg32 = 0x0000C,
.sense_interrupt_reg = 0x00000,
.sense_interrupt_reg32 = 0x00004,
.ioarrin_reg = 0x00070,
.sense_uproc_interrupt_reg = 0x00020,
.sense_uproc_interrupt_reg32 = 0x00024,
.set_uproc_interrupt_reg = 0x00020,
.set_uproc_interrupt_reg32 = 0x00024,
.clr_uproc_interrupt_reg = 0x00028,
.clr_uproc_interrupt_reg32 = 0x0002C,
.init_feedback_reg = 0x0005C,
.dump_addr_reg = 0x00064,
.dump_data_reg = 0x00068,
.endian_swap_reg = 0x00084
}
},
};
static const struct ipr_chip_t ipr_chip[] = {
{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, true, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] },
{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, true, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, true, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] },
{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_RATTLESNAKE, true, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }
};
static int ipr_max_bus_speeds[] = {
IPR_80MBs_SCSI_RATE, IPR_U160_SCSI_RATE, IPR_U320_SCSI_RATE
};
MODULE_AUTHOR("Brian King <brking@us.ibm.com>");
MODULE_DESCRIPTION("IBM Power RAID SCSI Adapter Driver");
module_param_named(max_speed, ipr_max_speed, uint, 0);
MODULE_PARM_DESC(max_speed, "Maximum bus speed (0-2). Default: 1=U160. Speeds: 0=80 MB/s, 1=U160, 2=U320");
module_param_named(log_level, ipr_log_level, uint, 0);
MODULE_PARM_DESC(log_level, "Set to 0 - 4 for increasing verbosity of device driver");
module_param_named(testmode, ipr_testmode, int, 0);
MODULE_PARM_DESC(testmode, "DANGEROUS!!! Allows unsupported configurations");
module_param_named(fastfail, ipr_fastfail, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries");
module_param_named(transop_timeout, ipr_transop_timeout, int, 0);
MODULE_PARM_DESC(transop_timeout, "Time in seconds to wait for adapter to come operational (default: 300)");
module_param_named(debug, ipr_debug, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)");
module_param_named(dual_ioa_raid, ipr_dual_ioa_raid, int, 0);
MODULE_PARM_DESC(dual_ioa_raid, "Enable dual adapter RAID support. Set to 1 to enable. (default: 1)");
module_param_named(max_devs, ipr_max_devs, int, 0);
MODULE_PARM_DESC(max_devs, "Specify the maximum number of physical devices. "
"[Default=" __stringify(IPR_DEFAULT_SIS64_DEVS) "]");
module_param_named(number_of_msix, ipr_number_of_msix, int, 0);
MODULE_PARM_DESC(number_of_msix, "Specify the number of MSIX interrupts to use on capable adapters (1 - 16). (default:16)");
module_param_named(fast_reboot, ipr_fast_reboot, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(fast_reboot, "Skip adapter shutdown during reboot. Set to 1 to enable. (default: 0)");
MODULE_LICENSE("GPL");
MODULE_VERSION(IPR_DRIVER_VERSION);
/* A constant array of IOASCs/URCs/Error Messages */
static const
struct ipr_error_table_t ipr_error_table[] = {
{0x00000000, 1, IPR_DEFAULT_LOG_LEVEL,
"8155: An unknown error was received"},
{0x00330000, 0, 0,
"Soft underlength error"},
{0x005A0000, 0, 0,
"Command to be cancelled not found"},
{0x00808000, 0, 0,
"Qualified success"},
{0x01080000, 1, IPR_DEFAULT_LOG_LEVEL,
"FFFE: Soft device bus error recovered by the IOA"},
{0x01088100, 0, IPR_DEFAULT_LOG_LEVEL,
"4101: Soft device bus fabric error"},
{0x01100100, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFC: Logical block guard error recovered by the device"},
{0x01100300, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFC: Logical block reference tag error recovered by the device"},
{0x01108300, 0, IPR_DEFAULT_LOG_LEVEL,
"4171: Recovered scatter list tag / sequence number error"},
{0x01109000, 0, IPR_DEFAULT_LOG_LEVEL,
"FF3D: Recovered logical block CRC error on IOA to Host transfer"},
{0x01109200, 0, IPR_DEFAULT_LOG_LEVEL,
"4171: Recovered logical block sequence number error on IOA to Host transfer"},
{0x0110A000, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFD: Recovered logical block reference tag error detected by the IOA"},
{0x0110A100, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFD: Logical block guard error recovered by the IOA"},
{0x01170600, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF9: Device sector reassign successful"},
{0x01170900, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF7: Media error recovered by device rewrite procedures"},
{0x01180200, 0, IPR_DEFAULT_LOG_LEVEL,
"7001: IOA sector reassignment successful"},
{0x01180500, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF9: Soft media error. Sector reassignment recommended"},
{0x01180600, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF7: Media error recovered by IOA rewrite procedures"},
{0x01418000, 0, IPR_DEFAULT_LOG_LEVEL,
"FF3D: Soft PCI bus error recovered by the IOA"},
{0x01440000, 1, IPR_DEFAULT_LOG_LEVEL,
"FFF6: Device hardware error recovered by the IOA"},
{0x01448100, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF6: Device hardware error recovered by the device"},
{0x01448200, 1, IPR_DEFAULT_LOG_LEVEL,
"FF3D: Soft IOA error recovered by the IOA"},
{0x01448300, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFA: Undefined device response recovered by the IOA"},
{0x014A0000, 1, IPR_DEFAULT_LOG_LEVEL,
"FFF6: Device bus error, message or command phase"},
{0x014A8000, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFE: Task Management Function failed"},
{0x015D0000, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF6: Failure prediction threshold exceeded"},
{0x015D9200, 0, IPR_DEFAULT_LOG_LEVEL,
"8009: Impending cache battery pack failure"},
{0x02040100, 0, 0,
"Logical Unit in process of becoming ready"},
{0x02040200, 0, 0,
"Initializing command required"},
{0x02040400, 0, 0,
"34FF: Disk device format in progress"},
{0x02040C00, 0, 0,
"Logical unit not accessible, target port in unavailable state"},
{0x02048000, 0, IPR_DEFAULT_LOG_LEVEL,
"9070: IOA requested reset"},
{0x023F0000, 0, 0,
"Synchronization required"},
{0x02408500, 0, 0,
"IOA microcode download required"},
{0x02408600, 0, 0,
"Device bus connection is prohibited by host"},
{0x024E0000, 0, 0,
"No ready, IOA shutdown"},
{0x025A0000, 0, 0,
"Not ready, IOA has been shutdown"},
{0x02670100, 0, IPR_DEFAULT_LOG_LEVEL,
"3020: Storage subsystem configuration error"},
{0x03110B00, 0, 0,
"FFF5: Medium error, data unreadable, recommend reassign"},
{0x03110C00, 0, 0,
"7000: Medium error, data unreadable, do not reassign"},
{0x03310000, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF3: Disk media format bad"},
{0x04050000, 0, IPR_DEFAULT_LOG_LEVEL,
"3002: Addressed device failed to respond to selection"},
{0x04080000, 1, IPR_DEFAULT_LOG_LEVEL,
"3100: Device bus error"},
{0x04080100, 0, IPR_DEFAULT_LOG_LEVEL,
"3109: IOA timed out a device command"},
{0x04088000, 0, 0,
"3120: SCSI bus is not operational"},
{0x04088100, 0, IPR_DEFAULT_LOG_LEVEL,
"4100: Hard device bus fabric error"},
{0x04100100, 0, IPR_DEFAULT_LOG_LEVEL,
"310C: Logical block guard error detected by the device"},
{0x04100300, 0, IPR_DEFAULT_LOG_LEVEL,
"310C: Logical block reference tag error detected by the device"},
{0x04108300, 1, IPR_DEFAULT_LOG_LEVEL,
"4170: Scatter list tag / sequence number error"},
{0x04109000, 1, IPR_DEFAULT_LOG_LEVEL,
"8150: Logical block CRC error on IOA to Host transfer"},
{0x04109200, 1, IPR_DEFAULT_LOG_LEVEL,
"4170: Logical block sequence number error on IOA to Host transfer"},
{0x0410A000, 0, IPR_DEFAULT_LOG_LEVEL,
"310D: Logical block reference tag error detected by the IOA"},
{0x0410A100, 0, IPR_DEFAULT_LOG_LEVEL,
"310D: Logical block guard error detected by the IOA"},
{0x04118000, 0, IPR_DEFAULT_LOG_LEVEL,
"9000: IOA reserved area data check"},
{0x04118100, 0, IPR_DEFAULT_LOG_LEVEL,
"9001: IOA reserved area invalid data pattern"},
{0x04118200, 0, IPR_DEFAULT_LOG_LEVEL,
"9002: IOA reserved area LRC error"},
{0x04118300, 1, IPR_DEFAULT_LOG_LEVEL,
"Hardware Error, IOA metadata access error"},
{0x04320000, 0, IPR_DEFAULT_LOG_LEVEL,
"102E: Out of alternate sectors for disk storage"},
{0x04330000, 1, IPR_DEFAULT_LOG_LEVEL,
"FFF4: Data transfer underlength error"},
{0x04338000, 1, IPR_DEFAULT_LOG_LEVEL,
"FFF4: Data transfer overlength error"},
{0x043E0100, 0, IPR_DEFAULT_LOG_LEVEL,
"3400: Logical unit failure"},
{0x04408500, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF4: Device microcode is corrupt"},
{0x04418000, 1, IPR_DEFAULT_LOG_LEVEL,
"8150: PCI bus error"},
{0x04430000, 1, 0,
"Unsupported device bus message received"},
{0x04440000, 1, IPR_DEFAULT_LOG_LEVEL,
"FFF4: Disk device problem"},
{0x04448200, 1, IPR_DEFAULT_LOG_LEVEL,
"8150: Permanent IOA failure"},
{0x04448300, 0, IPR_DEFAULT_LOG_LEVEL,
"3010: Disk device returned wrong response to IOA"},
{0x04448400, 0, IPR_DEFAULT_LOG_LEVEL,
"8151: IOA microcode error"},
{0x04448500, 0, 0,
"Device bus status error"},
{0x04448600, 0, IPR_DEFAULT_LOG_LEVEL,
"8157: IOA error requiring IOA reset to recover"},
{0x04448700, 0, 0,
"ATA device status error"},
{0x04490000, 0, 0,
"Message reject received from the device"},
{0x04449200, 0, IPR_DEFAULT_LOG_LEVEL,
"8008: A permanent cache battery pack failure occurred"},
{0x0444A000, 0, IPR_DEFAULT_LOG_LEVEL,
"9090: Disk unit has been modified after the last known status"},
{0x0444A200, 0, IPR_DEFAULT_LOG_LEVEL,
"9081: IOA detected device error"},
{0x0444A300, 0, IPR_DEFAULT_LOG_LEVEL,
"9082: IOA detected device error"},
{0x044A0000, 1, IPR_DEFAULT_LOG_LEVEL,
"3110: Device bus error, message or command phase"},
{0x044A8000, 1, IPR_DEFAULT_LOG_LEVEL,
"3110: SAS Command / Task Management Function failed"},
{0x04670400, 0, IPR_DEFAULT_LOG_LEVEL,
"9091: Incorrect hardware configuration change has been detected"},
{0x04678000, 0, IPR_DEFAULT_LOG_LEVEL,
"9073: Invalid multi-adapter configuration"},
{0x04678100, 0, IPR_DEFAULT_LOG_LEVEL,
"4010: Incorrect connection between cascaded expanders"},
{0x04678200, 0, IPR_DEFAULT_LOG_LEVEL,
"4020: Connections exceed IOA design limits"},
{0x04678300, 0, IPR_DEFAULT_LOG_LEVEL,
"4030: Incorrect multipath connection"},
{0x04679000, 0, IPR_DEFAULT_LOG_LEVEL,
"4110: Unsupported enclosure function"},
{0x04679800, 0, IPR_DEFAULT_LOG_LEVEL,
"4120: SAS cable VPD cannot be read"},
{0x046E0000, 0, IPR_DEFAULT_LOG_LEVEL,
"FFF4: Command to logical unit failed"},
{0x05240000, 1, 0,
"Illegal request, invalid request type or request packet"},
{0x05250000, 0, 0,
"Illegal request, invalid resource handle"},
{0x05258000, 0, 0,
"Illegal request, commands not allowed to this device"},
{0x05258100, 0, 0,
"Illegal request, command not allowed to a secondary adapter"},
{0x05258200, 0, 0,
"Illegal request, command not allowed to a non-optimized resource"},
{0x05260000, 0, 0,
"Illegal request, invalid field in parameter list"},
{0x05260100, 0, 0,
"Illegal request, parameter not supported"},
{0x05260200, 0, 0,
"Illegal request, parameter value invalid"},
{0x052C0000, 0, 0,
"Illegal request, command sequence error"},
{0x052C8000, 1, 0,
"Illegal request, dual adapter support not enabled"},
{0x052C8100, 1, 0,
"Illegal request, another cable connector was physically disabled"},
{0x054E8000, 1, 0,
"Illegal request, inconsistent group id/group count"},
{0x06040500, 0, IPR_DEFAULT_LOG_LEVEL,
"9031: Array protection temporarily suspended, protection resuming"},
{0x06040600, 0, IPR_DEFAULT_LOG_LEVEL,
"9040: Array protection temporarily suspended, protection resuming"},
{0x060B0100, 0, IPR_DEFAULT_LOG_LEVEL,
"4080: IOA exceeded maximum operating temperature"},
{0x060B8000, 0, IPR_DEFAULT_LOG_LEVEL,
"4085: Service required"},
{0x06288000, 0, IPR_DEFAULT_LOG_LEVEL,
"3140: Device bus not ready to ready transition"},
{0x06290000, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFB: SCSI bus was reset"},
{0x06290500, 0, 0,
"FFFE: SCSI bus transition to single ended"},
{0x06290600, 0, 0,
"FFFE: SCSI bus transition to LVD"},
{0x06298000, 0, IPR_DEFAULT_LOG_LEVEL,
"FFFB: SCSI bus was reset by another initiator"},
{0x063F0300, 0, IPR_DEFAULT_LOG_LEVEL,
"3029: A device replacement has occurred"},
{0x063F8300, 0, IPR_DEFAULT_LOG_LEVEL,
"4102: Device bus fabric performance degradation"},
{0x064C8000, 0, IPR_DEFAULT_LOG_LEVEL,
"9051: IOA cache data exists for a missing or failed device"},
{0x064C8100, 0, IPR_DEFAULT_LOG_LEVEL,
"9055: Auxiliary cache IOA contains cache data needed by the primary IOA"},
{0x06670100, 0, IPR_DEFAULT_LOG_LEVEL,
"9025: Disk unit is not supported at its physical location"},
{0x06670600, 0, IPR_DEFAULT_LOG_LEVEL,
"3020: IOA detected a SCSI bus configuration error"},
{0x06678000, 0, IPR_DEFAULT_LOG_LEVEL,
"3150: SCSI bus configuration error"},
{0x06678100, 0, IPR_DEFAULT_LOG_LEVEL,
"9074: Asymmetric advanced function disk configuration"},
{0x06678300, 0, IPR_DEFAULT_LOG_LEVEL,
"4040: Incomplete multipath connection between IOA and enclosure"},
{0x06678400, 0, IPR_DEFAULT_LOG_LEVEL,
"4041: Incomplete multipath connection between enclosure and device"},
{0x06678500, 0, IPR_DEFAULT_LOG_LEVEL,
"9075: Incomplete multipath connection between IOA and remote IOA"},
{0x06678600, 0, IPR_DEFAULT_LOG_LEVEL,
"9076: Configuration error, missing remote IOA"},
{0x06679100, 0, IPR_DEFAULT_LOG_LEVEL,
"4050: Enclosure does not support a required multipath function"},
{0x06679800, 0, IPR_DEFAULT_LOG_LEVEL,
"4121: Configuration error, required cable is missing"},
{0x06679900, 0, IPR_DEFAULT_LOG_LEVEL,
"4122: Cable is not plugged into the correct location on remote IOA"},
{0x06679A00, 0, IPR_DEFAULT_LOG_LEVEL,
"4123: Configuration error, invalid cable vital product data"},
{0x06679B00, 0, IPR_DEFAULT_LOG_LEVEL,
"4124: Configuration error, both cable ends are plugged into the same IOA"},
{0x06690000, 0, IPR_DEFAULT_LOG_LEVEL,
"4070: Logically bad block written on device"},
{0x06690200, 0, IPR_DEFAULT_LOG_LEVEL,
"9041: Array protection temporarily suspended"},
{0x06698200, 0, IPR_DEFAULT_LOG_LEVEL,
"9042: Corrupt array parity detected on specified device"},
{0x066B0200, 0, IPR_DEFAULT_LOG_LEVEL,
"9030: Array no longer protected due to missing or failed disk unit"},
{0x066B8000, 0, IPR_DEFAULT_LOG_LEVEL,
"9071: Link operational transition"},
{0x066B8100, 0, IPR_DEFAULT_LOG_LEVEL,
"9072: Link not operational transition"},
{0x066B8200, 0, IPR_DEFAULT_LOG_LEVEL,
"9032: Array exposed but still protected"},
{0x066B8300, 0, IPR_DEBUG_LOG_LEVEL,
"70DD: Device forced failed by disrupt device command"},
{0x066B9100, 0, IPR_DEFAULT_LOG_LEVEL,
"4061: Multipath redundancy level got better"},
{0x066B9200, 0, IPR_DEFAULT_LOG_LEVEL,
"4060: Multipath redundancy level got worse"},
{0x06808100, 0, IPR_DEBUG_LOG_LEVEL,
"9083: Device raw mode enabled"},
{0x06808200, 0, IPR_DEBUG_LOG_LEVEL,
"9084: Device raw mode disabled"},
{0x07270000, 0, 0,
"Failure due to other device"},
{0x07278000, 0, IPR_DEFAULT_LOG_LEVEL,
"9008: IOA does not support functions expected by devices"},
{0x07278100, 0, IPR_DEFAULT_LOG_LEVEL,
"9010: Cache data associated with attached devices cannot be found"},
{0x07278200, 0, IPR_DEFAULT_LOG_LEVEL,
"9011: Cache data belongs to devices other than those attached"},
{0x07278400, 0, IPR_DEFAULT_LOG_LEVEL,
"9020: Array missing 2 or more devices with only 1 device present"},
{0x07278500, 0, IPR_DEFAULT_LOG_LEVEL,
"9021: Array missing 2 or more devices with 2 or more devices present"},
{0x07278600, 0, IPR_DEFAULT_LOG_LEVEL,
"9022: Exposed array is missing a required device"},
{0x07278700, 0, IPR_DEFAULT_LOG_LEVEL,
"9023: Array member(s) not at required physical locations"},
{0x07278800, 0, IPR_DEFAULT_LOG_LEVEL,
"9024: Array not functional due to present hardware configuration"},
{0x07278900, 0, IPR_DEFAULT_LOG_LEVEL,
"9026: Array not functional due to present hardware configuration"},
{0x07278A00, 0, IPR_DEFAULT_LOG_LEVEL,
"9027: Array is missing a device and parity is out of sync"},
{0x07278B00, 0, IPR_DEFAULT_LOG_LEVEL,
"9028: Maximum number of arrays already exist"},
{0x07278C00, 0, IPR_DEFAULT_LOG_LEVEL,
"9050: Required cache data cannot be located for a disk unit"},
{0x07278D00, 0, IPR_DEFAULT_LOG_LEVEL,
"9052: Cache data exists for a device that has been modified"},
{0x07278F00, 0, IPR_DEFAULT_LOG_LEVEL,
"9054: IOA resources not available due to previous problems"},
{0x07279100, 0, IPR_DEFAULT_LOG_LEVEL,
"9092: Disk unit requires initialization before use"},
{0x07279200, 0, IPR_DEFAULT_LOG_LEVEL,
"9029: Incorrect hardware configuration change has been detected"},
{0x07279600, 0, IPR_DEFAULT_LOG_LEVEL,
"9060: One or more disk pairs are missing from an array"},
{0x07279700, 0, IPR_DEFAULT_LOG_LEVEL,
"9061: One or more disks are missing from an array"},
{0x07279800, 0, IPR_DEFAULT_LOG_LEVEL,
"9062: One or more disks are missing from an array"},
{0x07279900, 0, IPR_DEFAULT_LOG_LEVEL,
"9063: Maximum number of functional arrays has been exceeded"},
{0x07279A00, 0, 0,
"Data protect, other volume set problem"},
{0x0B260000, 0, 0,
"Aborted command, invalid descriptor"},
{0x0B3F9000, 0, 0,
"Target operating conditions have changed, dual adapter takeover"},
{0x0B530200, 0, 0,
"Aborted command, medium removal prevented"},
{0x0B5A0000, 0, 0,
"Command terminated by host"},
{0x0B5B8000, 0, 0,
"Aborted command, command terminated by host"}
};
static const struct ipr_ses_table_entry ipr_ses_table[] = {
{ "2104-DL1 ", "XXXXXXXXXXXXXXXX", 80 },
{ "2104-TL1 ", "XXXXXXXXXXXXXXXX", 80 },
{ "HSBP07M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 7 slot */
{ "HSBP05M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 5 slot */
{ "HSBP05M S U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Bowtie */
{ "HSBP06E ASU2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* MartinFenning */
{ "2104-DU3 ", "XXXXXXXXXXXXXXXX", 160 },
{ "2104-TU3 ", "XXXXXXXXXXXXXXXX", 160 },
{ "HSBP04C RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 },
{ "HSBP06E RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 },
{ "St V1S2 ", "XXXXXXXXXXXXXXXX", 160 },
{ "HSBPD4M PU3SCSI", "XXXXXXX*XXXXXXXX", 160 },
{ "VSBPD1H U3SCSI", "XXXXXXX*XXXXXXXX", 160 }
};
/*
* Function Prototypes
*/
static int ipr_reset_alert(struct ipr_cmnd *);
static void ipr_process_ccn(struct ipr_cmnd *);
static void ipr_process_error(struct ipr_cmnd *);
static void ipr_reset_ioa_job(struct ipr_cmnd *);
static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *,
enum ipr_shutdown_type);
#ifdef CONFIG_SCSI_IPR_TRACE
/**
* ipr_trc_hook - Add a trace entry to the driver trace
* @ipr_cmd: ipr command struct
* @type: trace type
* @add_data: additional data
*
* Return value:
* none
**/
static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd,
u8 type, u32 add_data)
{
struct ipr_trace_entry *trace_entry;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
unsigned int trace_index;
trace_index = atomic_add_return(1, &ioa_cfg->trace_index) & IPR_TRACE_INDEX_MASK;
trace_entry = &ioa_cfg->trace[trace_index];
trace_entry->time = jiffies;
trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0];
trace_entry->type = type;
if (ipr_cmd->ioa_cfg->sis64)
trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command;
else
trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command;
trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff;
trace_entry->res_handle = ipr_cmd->ioarcb.res_handle;
trace_entry->u.add_data = add_data;
wmb();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| James Bottomley | 88 | 55.70% | 1 | 16.67% |
| Brian King | 36 | 22.78% | 3 | 50.00% |
| Wayne Boyer | 25 | 15.82% | 1 | 16.67% |
| Wendy Xiong | 9 | 5.70% | 1 | 16.67% |
| Total | 158 | 100.00% | 6 | 100.00% |
#else
#define ipr_trc_hook(ipr_cmd, type, add_data) do { } while (0)
#endif
/**
* ipr_lock_and_done - Acquire lock and complete command
* @ipr_cmd: ipr command struct
*
* Return value:
* none
**/
static void ipr_lock_and_done(struct ipr_cmnd *ipr_cmd)
{
unsigned long lock_flags;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
ipr_cmd->done(ipr_cmd);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Brian King | 53 | 100.00% | 1 | 100.00% |
| Total | 53 | 100.00% | 1 | 100.00% |
/**
* ipr_reinit_ipr_cmnd - Re-initialize an IPR Cmnd block for reuse
* @ipr_cmd: ipr command struct
*
* Return value:
* none
**/
static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64;
dma_addr_t dma_addr = ipr_cmd->dma_addr;
int hrrq_id;
hrrq_id = ioarcb->cmd_pkt.hrrq_id;
memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
ioarcb->cmd_pkt.hrrq_id = hrrq_id;
ioarcb->data_transfer_length = 0;
ioarcb->read_data_transfer_length = 0;
ioarcb->ioadl_len = 0;