/drivers/scsi/ipr.c
C | 7895 lines | 4946 code | 1038 blank | 1911 comment | 633 complexity | dd8555b13f6f168ae51d9a240df0c8ff MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
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- /*
- * 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/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 <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_enable_cache = 1;
- static unsigned int ipr_debug = 0;
- static unsigned int ipr_dual_ioa_raid = 1;
- 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,
- .cache_line_size = 0x20,
- {
- .set_interrupt_mask_reg = 0x0022C,
- .clr_interrupt_mask_reg = 0x00230,
- .sense_interrupt_mask_reg = 0x0022C,
- .clr_interrupt_reg = 0x00228,
- .sense_interrupt_reg = 0x00224,
- .ioarrin_reg = 0x00404,
- .sense_uproc_interrupt_reg = 0x00214,
- .set_uproc_interrupt_reg = 0x00214,
- .clr_uproc_interrupt_reg = 0x00218
- }
- },
- { /* Snipe and Scamp */
- .mailbox = 0x0052C,
- .cache_line_size = 0x20,
- {
- .set_interrupt_mask_reg = 0x00288,
- .clr_interrupt_mask_reg = 0x0028C,
- .sense_interrupt_mask_reg = 0x00288,
- .clr_interrupt_reg = 0x00284,
- .sense_interrupt_reg = 0x00280,
- .ioarrin_reg = 0x00504,
- .sense_uproc_interrupt_reg = 0x00290,
- .set_uproc_interrupt_reg = 0x00290,
- .clr_uproc_interrupt_reg = 0x00294
- }
- },
- };
- static const struct ipr_chip_t ipr_chip[] = {
- { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, &ipr_chip_cfg[0] },
- { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] },
- { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] },
- { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] },
- { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, &ipr_chip_cfg[0] },
- { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] },
- { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] }
- };
- 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(enable_cache, ipr_enable_cache, int, 0);
- MODULE_PARM_DESC(enable_cache, "Enable adapter's non-volatile write cache (default: 1)");
- 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_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"},
- {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"},
- {0x02040400, 0, 0,
- "34FF: Disk device format in progress"},
- {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL,
- "9070: IOA requested reset"},
- {0x023F0000, 0, 0,
- "Synchronization required"},
- {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"},
- {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"},
- {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"},
- {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"},
- {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"},
- {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"},
- {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"},
- {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"},
- {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_DEFAULT_LOG_LEVEL + 1,
- "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"},
- {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"},
- {0x0B260000, 0, 0,
- "Aborted command, invalid descriptor"},
- {0x0B5A0000, 0, 0,
- "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;
- trace_entry = &ioa_cfg->trace[ioa_cfg->trace_index++];
- trace_entry->time = jiffies;
- trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0];
- trace_entry->type = type;
- trace_entry->ata_op_code = ipr_cmd->ioarcb.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;
- }
- #else
- #define ipr_trc_hook(ipr_cmd, type, add_data) do { } while(0)
- #endif
- /**
- * 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->ioasa;
- dma_addr_t dma_addr = be32_to_cpu(ioarcb->ioarcb_host_pci_addr);
- memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
- ioarcb->write_data_transfer_length = 0;
- ioarcb->read_data_transfer_length = 0;
- ioarcb->write_ioadl_len = 0;
- ioarcb->read_ioadl_len = 0;
- ioarcb->write_ioadl_addr =
- cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioadl));
- ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
- ioasa->ioasc = 0;
- ioasa->residual_data_len = 0;
- ioasa->u.gata.status = 0;
- ipr_cmd->scsi_cmd = NULL;
- ipr_cmd->qc = NULL;
- ipr_cmd->sense_buffer[0] = 0;
- ipr_cmd->dma_use_sg = 0;
- }
- /**
- * ipr_init_ipr_cmnd - Initialize an IPR Cmnd block
- * @ipr_cmd: ipr command struct
- *
- * Return value:
- * none
- **/
- static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
- {
- ipr_reinit_ipr_cmnd(ipr_cmd);
- ipr_cmd->u.scratch = 0;
- ipr_cmd->sibling = NULL;
- init_timer(&ipr_cmd->timer);
- }
- /**
- * ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block
- * @ioa_cfg: ioa config struct
- *
- * Return value:
- * pointer to ipr command struct
- **/
- static
- struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg)
- {
- struct ipr_cmnd *ipr_cmd;
- ipr_cmd = list_entry(ioa_cfg->free_q.next, struct ipr_cmnd, queue);
- list_del(&ipr_cmd->queue);
- ipr_init_ipr_cmnd(ipr_cmd);
- return ipr_cmd;
- }
- /**
- * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts
- * @ioa_cfg: ioa config struct
- * @clr_ints: interrupts to clear
- *
- * This function masks all interrupts on the adapter, then clears the
- * interrupts specified in the mask
- *
- * Return value:
- * none
- **/
- static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg,
- u32 clr_ints)
- {
- volatile u32 int_reg;
- /* Stop new interrupts */
- ioa_cfg->allow_interrupts = 0;
- /* Set interrupt mask to stop all new interrupts */
- writel(~0, ioa_cfg->regs.set_interrupt_mask_reg);
- /* Clear any pending interrupts */
- writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg);
- int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
- }
- /**
- * ipr_save_pcix_cmd_reg - Save PCI-X command register
- * @ioa_cfg: ioa config struct
- *
- * Return value:
- * 0 on success / -EIO on failure
- **/
- static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
- {
- int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX);
- if (pcix_cmd_reg == 0)
- return 0;
- if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
- &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) {
- dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n");
- return -EIO;
- }
- ioa_cfg->saved_pcix_cmd_reg |= PCI_X_CMD_DPERR_E | PCI_X_CMD_ERO;
- return 0;
- }
- /**
- * ipr_set_pcix_cmd_reg - Setup PCI-X command register
- * @ioa_cfg: ioa config struct
- *
- * Return value:
- * 0 on success / -EIO on failure
- **/
- static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
- {
- int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX);
- if (pcix_cmd_reg) {
- if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
- ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) {
- dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n");
- return -EIO;
- }
- }
- return 0;
- }
- /**
- * ipr_sata_eh_done - done function for aborted SATA commands
- * @ipr_cmd: ipr command struct
- *
- * This function is invoked for ops generated to SATA
- * devices which are being aborted.
- *
- * Return value:
- * none
- **/
- static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd)
- {
- struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
- struct ata_queued_cmd *qc = ipr_cmd->qc;
- struct ipr_sata_port *sata_port = qc->ap->private_data;
- qc->err_mask |= AC_ERR_OTHER;
- sata_port->ioasa.status |= ATA_BUSY;
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
- ata_qc_complete(qc);
- }
- /**
- * ipr_scsi_eh_done - mid-layer done function for aborted ops
- * @ipr_cmd: ipr command struct
- *
- * This function is invoked by the interrupt handler for
- * ops generated by the SCSI mid-layer which are being aborted.
- *
- * Return value:
- * none
- **/
- static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd)
- {
- struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
- struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
- scsi_cmd->result |= (DID_ERROR << 16);
- scsi_dma_unmap(ipr_cmd->scsi_cmd);
- scsi_cmd->scsi_done(scsi_cmd);
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
- }
- /**
- * ipr_fail_all_ops - Fails all outstanding ops.
- * @ioa_cfg: ioa config struct
- *
- * This function fails all outstanding ops.
- *
- * Return value:
- * none
- **/
- static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg)
- {
- struct ipr_cmnd *ipr_cmd, *temp;
- ENTER;
- list_for_each_entry_safe(ipr_cmd, temp, &ioa_cfg->pending_q, queue) {
- list_del(&ipr_cmd->queue);
- ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET);
- ipr_cmd->ioasa.ilid = cpu_to_be32(IPR_DRIVER_ILID);
- if (ipr_cmd->scsi_cmd)
- ipr_cmd->done = ipr_scsi_eh_done;
- else if (ipr_cmd->qc)
- ipr_cmd->done = ipr_sata_eh_done;
- ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, IPR_IOASC_IOA_WAS_RESET);
- del_timer(&ipr_cmd->timer);
- ipr_cmd->done(ipr_cmd);
- }
- LEAVE;
- }
- /**
- * ipr_do_req - Send driver initiated requests.
- * @ipr_cmd: ipr command struct
- * @done: done function
- * @timeout_func: timeout function
- * @timeout: timeout value
- *
- * This function sends the specified command to the adapter with the
- * timeout given. The done function is invoked on command completion.
- *
- * Return value:
- * none
- **/
- static void ipr_do_req(struct ipr_cmnd *ipr_cmd,
- void (*done) (struct ipr_cmnd *),
- void (*timeout_func) (struct ipr_cmnd *), u32 timeout)
- {
- struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q);
- ipr_cmd->done = done;
- ipr_cmd->timer.data = (unsigned long) ipr_cmd;
- ipr_cmd->timer.expires = jiffies + timeout;
- ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func;
- add_timer(&ipr_cmd->timer);
- ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0);
- mb();
- writel(be32_to_cpu(ipr_cmd->ioarcb.ioarcb_host_pci_addr),
- ioa_cfg->regs.ioarrin_reg);
- }
- /**
- * ipr_internal_cmd_done - Op done function for an internally generated op.
- * @ipr_cmd: ipr command struct
- *
- * This function is the op done function for an internally generated,
- * blocking op. It simply wakes the sleeping thread.
- *
- * Return value:
- * none
- **/
- static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd)
- {
- if (ipr_cmd->sibling)
- ipr_cmd->sibling = NULL;
- else
- complete(&ipr_cmd->completion);
- }
- /**
- * ipr_send_blocking_cmd - Send command and sleep on its completion.
- * @ipr_cmd: ipr command struct
- * @timeout_func: function to invoke if command times out
- * @timeout: timeout
- *
- * Return value:
- * none
- **/
- static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd,
- void (*timeout_func) (struct ipr_cmnd *ipr_cmd),
- u32 timeout)
- {
- struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
- init_completion(&ipr_cmd->completion);
- ipr_do_req(ipr_cmd, ipr_internal_cmd_done, timeout_func, timeout);
- spin_unlock_irq(ioa_cfg->host->host_lock);
- wait_for_completion(&ipr_cmd->completion);
- spin_lock_irq(ioa_cfg->host->host_lock);
- }
- /**
- * ipr_send_hcam - Send an HCAM to the adapter.
- * @ioa_cfg: ioa config struct
- * @type: HCAM type
- * @hostrcb: hostrcb struct
- *
- * This function will send a Host Controlled Async command to the adapter.
- * If HCAMs are currently not allowed to be issued to the adapter, it will
- * place the hostrcb on the free queue.
- *
- * Return value:
- * none
- **/
- static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type,
- struct ipr_hostrcb *hostrcb)
- {
- struct ipr_cmnd *ipr_cmd;
- struct ipr_ioarcb *ioarcb;
- if (ioa_cfg->allow_cmds) {
- ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q);
- list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_pending_q);
- ipr_cmd->u.hostrcb = hostrcb;
- ioarcb = &ipr_cmd->ioarcb;
- ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
- ioarcb->cmd_pkt.request_type = IPR_RQTYPE_HCAM;
- ioarcb->cmd_pkt.cdb[0] = IPR_HOST_CONTROLLED_ASYNC;
- ioarcb->cmd_pkt.cdb[1] = type;
- ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff;
- ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff;
- ioarcb->read_data_transfer_length = cpu_to_be32(sizeof(hostrcb->hcam));
- ioarcb->read_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
- ipr_cmd->ioadl[0].flags_and_data_len =
- cpu_to_be32(IPR_IOADL_FLAGS_READ_LAST | sizeof(hostrcb->hcam));
- ipr_cmd->ioadl[0].address = cpu_to_be32(hostrcb->hostrcb_dma);
- if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE)
- ipr_cmd->done = ipr_process_ccn;
- else
- ipr_cmd->done = ipr_process_error;
- ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR);
- mb();
- writel(be32_to_cpu(ipr_cmd->ioarcb.ioarcb_host_pci_addr),
- ioa_cfg->regs.ioarrin_reg);
- } else {
- list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q);
- }
- }
- /**
- * ipr_init_res_entry - Initialize a resource entry struct.
- * @res: resource entry struct
- *
- * Return value:
- * none
- **/
- static void ipr_init_res_entry(struct ipr_resource_entry *res)
- {
- res->needs_sync_complete = 0;
- res->in_erp = 0;
- res->add_to_ml = 0;
- res->del_from_ml = 0;
- res->resetting_device = 0;
- res->sdev = NULL;
- res->sata_port = NULL;
- }
- /**
- * ipr_handle_config_change - Handle a config change from the adapter
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb
- *
- * Return value:
- * none
- **/
- static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- struct ipr_resource_entry *res = NULL;
- struct ipr_config_table_entry *cfgte;
- u32 is_ndn = 1;
- cfgte = &hostrcb->hcam.u.ccn.cfgte;
- list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
- if (!memcmp(&res->cfgte.res_addr, &cfgte->res_addr,
- sizeof(cfgte->res_addr))) {
- is_ndn = 0;
- break;
- }
- }
- if (is_ndn) {
- if (list_empty(&ioa_cfg->free_res_q)) {
- ipr_send_hcam(ioa_cfg,
- IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE,
- hostrcb);
- return;
- }
- res = list_entry(ioa_cfg->free_res_q.next,
- struct ipr_resource_entry, queue);
- list_del(&res->queue);
- ipr_init_res_entry(res);
- list_add_tail(&res->queue, &ioa_cfg->used_res_q);
- }
- memcpy(&res->cfgte, cfgte, sizeof(struct ipr_config_table_entry));
- if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) {
- if (res->sdev) {
- res->del_from_ml = 1;
- res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
- if (ioa_cfg->allow_ml_add_del)
- schedule_work(&ioa_cfg->work_q);
- } else
- list_move_tail(&res->queue, &ioa_cfg->free_res_q);
- } else if (!res->sdev) {
- res->add_to_ml = 1;
- if (ioa_cfg->allow_ml_add_del)
- schedule_work(&ioa_cfg->work_q);
- }
- ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb);
- }
- /**
- * ipr_process_ccn - Op done function for a CCN.
- * @ipr_cmd: ipr command struct
- *
- * This function is the op done function for a configuration
- * change notification host controlled async from the adapter.
- *
- * Return value:
- * none
- **/
- static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd)
- {
- struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
- struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
- u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
- list_del(&hostrcb->queue);
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
- if (ioasc) {
- if (ioasc != IPR_IOASC_IOA_WAS_RESET)
- dev_err(&ioa_cfg->pdev->dev,
- "Host RCB failed with IOASC: 0x%08X\n", ioasc);
- ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb);
- } else {
- ipr_handle_config_change(ioa_cfg, hostrcb);
- }
- }
- /**
- * strip_and_pad_whitespace - Strip and pad trailing whitespace.
- * @i: index into buffer
- * @buf: string to modify
- *
- * This function will strip all trailing whitespace, pad the end
- * of the string with a single space, and NULL terminate the string.
- *
- * Return value:
- * new length of string
- **/
- static int strip_and_pad_whitespace(int i, char *buf)
- {
- while (i && buf[i] == ' ')
- i--;
- buf[i+1] = ' ';
- buf[i+2] = '\0';
- return i + 2;
- }
- /**
- * ipr_log_vpd_compact - Log the passed extended VPD compactly.
- * @prefix: string to print at start of printk
- * @hostrcb: hostrcb pointer
- * @vpd: vendor/product id/sn struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb,
- struct ipr_vpd *vpd)
- {
- char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3];
- int i = 0;
- memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN);
- i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer);
- memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN);
- i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer);
- memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN);
- buffer[IPR_SERIAL_NUM_LEN + i] = '\0';
- ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer);
- }
- /**
- * ipr_log_vpd - Log the passed VPD to the error log.
- * @vpd: vendor/product id/sn struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_vpd(struct ipr_vpd *vpd)
- {
- char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN
- + IPR_SERIAL_NUM_LEN];
- memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN);
- memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id,
- IPR_PROD_ID_LEN);
- buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0';
- ipr_err("Vendor/Product ID: %s\n", buffer);
- memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN);
- buffer[IPR_SERIAL_NUM_LEN] = '\0';
- ipr_err(" Serial Number: %s\n", buffer);
- }
- /**
- * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly.
- * @prefix: string to print at start of printk
- * @hostrcb: hostrcb pointer
- * @vpd: vendor/product id/sn/wwn struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb,
- struct ipr_ext_vpd *vpd)
- {
- ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd);
- ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix,
- be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1]));
- }
- /**
- * ipr_log_ext_vpd - Log the passed extended VPD to the error log.
- * @vpd: vendor/product id/sn/wwn struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd)
- {
- ipr_log_vpd(&vpd->vpd);
- ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]),
- be32_to_cpu(vpd->wwid[1]));
- }
- /**
- * ipr_log_enhanced_cache_error - Log a cache error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- struct ipr_hostrcb_type_12_error *error =
- &hostrcb->hcam.u.error.u.type_12_error;
- ipr_err("-----Current Configuration-----\n");
- ipr_err("Cache Directory Card Information:\n");
- ipr_log_ext_vpd(&error->ioa_vpd);
- ipr_err("Adapter Card Information:\n");
- ipr_log_ext_vpd(&error->cfc_vpd);
- ipr_err("-----Expected Configuration-----\n");
- ipr_err("Cache Directory Card Information:\n");
- ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd);
- ipr_err("Adapter Card Information:\n");
- ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd);
- ipr_err("Additional IOA Data: %08X %08X %08X\n",
- be32_to_cpu(error->ioa_data[0]),
- be32_to_cpu(error->ioa_data[1]),
- be32_to_cpu(error->ioa_data[2]));
- }
- /**
- * ipr_log_cache_error - Log a cache error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- struct ipr_hostrcb_type_02_error *error =
- &hostrcb->hcam.u.error.u.type_02_error;
- ipr_err("-----Current Configuration-----\n");
- ipr_err("Cache Directory Card Information:\n");
- ipr_log_vpd(&error->ioa_vpd);
- ipr_err("Adapter Card Information:\n");
- ipr_log_vpd(&error->cfc_vpd);
- ipr_err("-----Expected Configuration-----\n");
- ipr_err("Cache Directory Card Information:\n");
- ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd);
- ipr_err("Adapter Card Information:\n");
- ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd);
- ipr_err("Additional IOA Data: %08X %08X %08X\n",
- be32_to_cpu(error->ioa_data[0]),
- be32_to_cpu(error->ioa_data[1]),
- be32_to_cpu(error->ioa_data[2]));
- }
- /**
- * ipr_log_enhanced_config_error - Log a configuration error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- int errors_logged, i;
- struct ipr_hostrcb_device_data_entry_enhanced *dev_entry;
- struct ipr_hostrcb_type_13_error *error;
- error = &hostrcb->hcam.u.error.u.type_13_error;
- errors_logged = be32_to_cpu(error->errors_logged);
- ipr_err("Device Errors Detected/Logged: %d/%d\n",
- be32_to_cpu(error->errors_detected), errors_logged);
- dev_entry = error->dev;
- for (i = 0; i < errors_logged; i++, dev_entry++) {
- ipr_err_separator;
- ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1);
- ipr_log_ext_vpd(&dev_entry->vpd);
- ipr_err("-----New Device Information-----\n");
- ipr_log_ext_vpd(&dev_entry->new_vpd);
- ipr_err("Cache Directory Card Information:\n");
- ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd);
- ipr_err("Adapter Card Information:\n");
- ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd);
- }
- }
- /**
- * ipr_log_config_error - Log a configuration error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- int errors_logged, i;
- struct ipr_hostrcb_device_data_entry *dev_entry;
- struct ipr_hostrcb_type_03_error *error;
- error = &hostrcb->hcam.u.error.u.type_03_error;
- errors_logged = be32_to_cpu(error->errors_logged);
- ipr_err("Device Errors Detected/Logged: %d/%d\n",
- be32_to_cpu(error->errors_detected), errors_logged);
- dev_entry = error->dev;
- for (i = 0; i < errors_logged; i++, dev_entry++) {
- ipr_err_separator;
- ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1);
- ipr_log_vpd(&dev_entry->vpd);
- ipr_err("-----New Device Information-----\n");
- ipr_log_vpd(&dev_entry->new_vpd);
- ipr_err("Cache Directory Card Information:\n");
- ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd);
- ipr_err("Adapter Card Information:\n");
- ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd);
- ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n",
- be32_to_cpu(dev_entry->ioa_data[0]),
- be32_to_cpu(dev_entry->ioa_data[1]),
- be32_to_cpu(dev_entry->ioa_data[2]),
- be32_to_cpu(dev_entry->ioa_data[3]),
- be32_to_cpu(dev_entry->ioa_data[4]));
- }
- }
- /**
- * ipr_log_enhanced_array_error - Log an array configuration error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- int i, num_entries;
- struct ipr_hostrcb_type_14_error *error;
- struct ipr_hostrcb_array_data_entry_enhanced *array_entry;
- const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' };
- error = &hostrcb->hcam.u.error.u.type_14_error;
- ipr_err_separator;
- ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n",
- error->protection_level,
- ioa_cfg->host->host_no,
- error->last_func_vset_res_addr.bus,
- error->last_func_vset_res_addr.target,
- error->last_func_vset_res_addr.lun);
- ipr_err_separator;
- array_entry = error->array_member;
- num_entries = min_t(u32, be32_to_cpu(error->num_entries),
- sizeof(error->array_member));
- for (i = 0; i < num_entries; i++, array_entry++) {
- if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN))
- continue;
- if (be32_to_cpu(error->exposed_mode_adn) == i)
- ipr_err("Exposed Array Member %d:\n", i);
- else
- ipr_err("Array Member %d:\n", i);
- ipr_log_ext_vpd(&array_entry->vpd);
- ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location");
- ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr,
- "Expected Location");
- ipr_err_separator;
- }
- }
- /**
- * ipr_log_array_error - Log an array configuration error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- int i;
- struct ipr_hostrcb_type_04_error *error;
- struct ipr_hostrcb_array_data_entry *array_entry;
- const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' };
- error = &hostrcb->hcam.u.error.u.type_04_error;
- ipr_err_separator;
- ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n",
- error->protection_level,
- ioa_cfg->host->host_no,
- error->last_func_vset_res_addr.bus,
- error->last_func_vset_res_addr.target,
- error->last_func_vset_res_addr.lun);
- ipr_err_separator;
- array_entry = error->array_member;
- for (i = 0; i < 18; i++) {
- if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN))
- continue;
- if (be32_to_cpu(error->exposed_mode_adn) == i)
- ipr_err("Exposed Array Member %d:\n", i);
- else
- ipr_err("Array Member %d:\n", i);
- ipr_log_vpd(&array_entry->vpd);
- ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location");
- ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr,
- "Expected Location");
- ipr_err_separator;
- if (i == 9)
- array_entry = error->array_member2;
- else
- array_entry++;
- }
- }
- /**
- * ipr_log_hex_data - Log additional hex IOA error data.
- * @ioa_cfg: ioa config struct
- * @data: IOA error data
- * @len: data length
- *
- * Return value:
- * none
- **/
- static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len)
- {
- int i;
- if (len == 0)
- return;
- if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL)
- len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP);
- for (i = 0; i < len / 4; i += 4) {
- ipr_err("%08X: %08X %08X %08X %08X\n", i*4,
- be32_to_cpu(data[i]),
- be32_to_cpu(data[i+1]),
- be32_to_cpu(data[i+2]),
- be32_to_cpu(data[i+3]));
- }
- }
- /**
- * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- struct ipr_hostrcb_type_17_error *error;
- error = &hostrcb->hcam.u.error.u.type_17_error;
- error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
- strstrip(error->failure_reason);
- ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason,
- be32_to_cpu(hostrcb->hcam.u.error.prc));
- ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd);
- ipr_log_hex_data(ioa_cfg, error->data,
- be32_to_cpu(hostrcb->hcam.length) -
- (offsetof(struct ipr_hostrcb_error, u) +
- offsetof(struct ipr_hostrcb_type_17_error, data)));
- }
- /**
- * ipr_log_dual_ioa_error - Log a dual adapter error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- struct ipr_hostrcb_type_07_error *error;
- error = &hostrcb->hcam.u.error.u.type_07_error;
- error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
- strstrip(error->failure_reason);
- ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason,
- be32_to_cpu(hostrcb->hcam.u.error.prc));
- ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd);
- ipr_log_hex_data(ioa_cfg, error->data,
- be32_to_cpu(hostrcb->hcam.length) -
- (offsetof(struct ipr_hostrcb_error, u) +
- offsetof(struct ipr_hostrcb_type_07_error, data)));
- }
- static const struct {
- u8 active;
- char *desc;
- } path_active_desc[] = {
- { IPR_PATH_NO_INFO, "Path" },
- { IPR_PATH_ACTIVE, "Active path" },
- { IPR_PATH_NOT_ACTIVE, "Inactive path" }
- };
- static const struct {
- u8 state;
- char *desc;
- } path_state_desc[] = {
- { IPR_PATH_STATE_NO_INFO, "has no path state information available" },
- { IPR_PATH_HEALTHY, "is healthy" },
- { IPR_PATH_DEGRADED, "is degraded" },
- { IPR_PATH_FAILED, "is failed" }
- };
- /**
- * ipr_log_fabric_path - Log a fabric path error
- * @hostrcb: hostrcb struct
- * @fabric: fabric descriptor
- *
- * Return value:
- * none
- **/
- static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb,
- struct ipr_hostrcb_fabric_desc *fabric)
- {
- int i, j;
- u8 path_state = fabric->path_state;
- u8 active = path_state & IPR_PATH_ACTIVE_MASK;
- u8 state = path_state & IPR_PATH_STATE_MASK;
- for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) {
- if (path_active_desc[i].active != active)
- continue;
- for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) {
- if (path_state_desc[j].state != state)
- continue;
- if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) {
- ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n",
- path_active_desc[i].desc, path_state_desc[j].desc,
- fabric->ioa_port);
- } else if (fabric->cascaded_expander == 0xff) {
- ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n",
- path_active_desc[i].desc, path_state_desc[j].desc,
- fabric->ioa_port, fabric->phy);
- } else if (fabric->phy == 0xff) {
- ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n",
- path_active_desc[i].desc, path_state_desc[j].desc,
- fabric->ioa_port, fabric->cascaded_expander);
- } else {
- ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n",
- path_active_desc[i].desc, path_state_desc[j].desc,
- fabric->ioa_port, fabric->cascaded_expander, fabric->phy);
- }
- return;
- }
- }
- ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state,
- fabric->ioa_port, fabric->cascaded_expander, fabric->phy);
- }
- static const struct {
- u8 type;
- char *desc;
- } path_type_desc[] = {
- { IPR_PATH_CFG_IOA_PORT, "IOA port" },
- { IPR_PATH_CFG_EXP_PORT, "Expander port" },
- { IPR_PATH_CFG_DEVICE_PORT, "Device port" },
- { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" }
- };
- static const struct {
- u8 status;
- char *desc;
- } path_status_desc[] = {
- { IPR_PATH_CFG_NO_PROB, "Functional" },
- { IPR_PATH_CFG_DEGRADED, "Degraded" },
- { IPR_PATH_CFG_FAILED, "Failed" },
- { IPR_PATH_CFG_SUSPECT, "Suspect" },
- { IPR_PATH_NOT_DETECTED, "Missing" },
- { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" }
- };
- static const char *link_rate[] = {
- "unknown",
- "disabled",
- "phy reset problem",
- "spinup hold",
- "port selector",
- "unknown",
- "unknown",
- "unknown",
- "1.5Gbps",
- "3.0Gbps",
- "unknown",
- "unknown",
- "unknown",
- "unknown",
- "unknown",
- "unknown"
- };
- /**
- * ipr_log_path_elem - Log a fabric path element.
- * @hostrcb: hostrcb struct
- * @cfg: fabric path element struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb,
- struct ipr_hostrcb_config_element *cfg)
- {
- int i, j;
- u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK;
- u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK;
- if (type == IPR_PATH_CFG_NOT_EXIST)
- return;
- for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) {
- if (path_type_desc[i].type != type)
- continue;
- for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) {
- if (path_status_desc[j].status != status)
- continue;
- if (type == IPR_PATH_CFG_IOA_PORT) {
- ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n",
- path_status_desc[j].desc, path_type_desc[i].desc,
- cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
- be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
- } else {
- if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) {
- ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n",
- path_status_desc[j].desc, path_type_desc[i].desc,
- link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
- be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
- } else if (cfg->cascaded_expander == 0xff) {
- ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, "
- "WWN=%08X%08X\n", path_status_desc[j].desc,
- path_type_desc[i].desc, cfg->phy,
- link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
- be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
- } else if (cfg->phy == 0xff) {
- ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, "
- "WWN=%08X%08X\n", path_status_desc[j].desc,
- path_type_desc[i].desc, cfg->cascaded_expander,
- link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
- be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
- } else {
- ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s "
- "WWN=%08X%08X\n", path_status_desc[j].desc,
- path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy,
- link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
- be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
- }
- }
- return;
- }
- }
- ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s "
- "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy,
- link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
- be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
- }
- /**
- * ipr_log_fabric_error - Log a fabric error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- struct ipr_hostrcb_type_20_error *error;
- struct ipr_hostrcb_fabric_desc *fabric;
- struct ipr_hostrcb_config_element *cfg;
- int i, add_len;
- error = &hostrcb->hcam.u.error.u.type_20_error;
- error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
- ipr_hcam_err(hostrcb, "%s\n", error->failure_reason);
- add_len = be32_to_cpu(hostrcb->hcam.length) -
- (offsetof(struct ipr_hostrcb_error, u) +
- offsetof(struct ipr_hostrcb_type_20_error, desc));
- for (i = 0, fabric = error->desc; i < error->num_entries; i++) {
- ipr_log_fabric_path(hostrcb, fabric);
- for_each_fabric_cfg(fabric, cfg)
- ipr_log_path_elem(hostrcb, cfg);
- add_len -= be16_to_cpu(fabric->length);
- fabric = (struct ipr_hostrcb_fabric_desc *)
- ((unsigned long)fabric + be16_to_cpu(fabric->length));
- }
- ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len);
- }
- /**
- * ipr_log_generic_error - Log an adapter error.
- * @ioa_cfg: ioa config struct
- * @hostrcb: hostrcb struct
- *
- * Return value:
- * none
- **/
- static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_hostrcb *hostrcb)
- {
- ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data,
- be32_to_cpu(hostrcb->hcam.length));
- }
- /**
- * ipr_get_error - Find the specfied IOASC in the ipr_error_table.
- * @ioasc: IOASC
- *
- * This function will return the index of into the ipr_error_table
- * for the specified IOASC. If the IOASC is not in the table,
- …
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