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linux-stable/drivers/scsi/ipr.h
wenxiong@linux.vnet.ibm.com 43c5fdaf14 [SCSI] ipr: Add sereral new CCIN definitions for new adapters support 
Add the appropriate definitions and table entries for new adapter support.

Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-08-26 12:51:32 +04:00

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/*
* ipr.h -- 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
*
* Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
* that broke 64bit platforms.
*/
#ifndef _IPR_H
#define _IPR_H
#include <asm/unaligned.h>
#include <linux/types.h>
#include <linux/completion.h>
#include <linux/libata.h>
#include <linux/list.h>
#include <linux/kref.h>
#include <linux/blk-iopoll.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
/*
* Literals
*/
#define IPR_DRIVER_VERSION "2.6.0"
#define IPR_DRIVER_DATE "(November 16, 2012)"
/*
* IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
* ops per device for devices not running tagged command queuing.
* This can be adjusted at runtime through sysfs device attributes.
*/
#define IPR_MAX_CMD_PER_LUN 6
#define IPR_MAX_CMD_PER_ATA_LUN 1
/*
* IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
* ops the mid-layer can send to the adapter.
*/
#define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
#define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
#define IPR_SUBS_DEV_ID_2780 0x0264
#define IPR_SUBS_DEV_ID_5702 0x0266
#define IPR_SUBS_DEV_ID_5703 0x0278
#define IPR_SUBS_DEV_ID_572E 0x028D
#define IPR_SUBS_DEV_ID_573E 0x02D3
#define IPR_SUBS_DEV_ID_573D 0x02D4
#define IPR_SUBS_DEV_ID_571A 0x02C0
#define IPR_SUBS_DEV_ID_571B 0x02BE
#define IPR_SUBS_DEV_ID_571E 0x02BF
#define IPR_SUBS_DEV_ID_571F 0x02D5
#define IPR_SUBS_DEV_ID_572A 0x02C1
#define IPR_SUBS_DEV_ID_572B 0x02C2
#define IPR_SUBS_DEV_ID_572F 0x02C3
#define IPR_SUBS_DEV_ID_574E 0x030A
#define IPR_SUBS_DEV_ID_575B 0x030D
#define IPR_SUBS_DEV_ID_575C 0x0338
#define IPR_SUBS_DEV_ID_57B3 0x033A
#define IPR_SUBS_DEV_ID_57B7 0x0360
#define IPR_SUBS_DEV_ID_57B8 0x02C2
#define IPR_SUBS_DEV_ID_57B4 0x033B
#define IPR_SUBS_DEV_ID_57B2 0x035F
#define IPR_SUBS_DEV_ID_57C0 0x0352
#define IPR_SUBS_DEV_ID_57C3 0x0353
#define IPR_SUBS_DEV_ID_57C4 0x0354
#define IPR_SUBS_DEV_ID_57C6 0x0357
#define IPR_SUBS_DEV_ID_57CC 0x035C
#define IPR_SUBS_DEV_ID_57B5 0x033C
#define IPR_SUBS_DEV_ID_57CE 0x035E
#define IPR_SUBS_DEV_ID_57B1 0x0355
#define IPR_SUBS_DEV_ID_574D 0x0356
#define IPR_SUBS_DEV_ID_57C8 0x035D
#define IPR_SUBS_DEV_ID_57D5 0x03FB
#define IPR_SUBS_DEV_ID_57D6 0x03FC
#define IPR_SUBS_DEV_ID_57D7 0x03FF
#define IPR_SUBS_DEV_ID_57D8 0x03FE
#define IPR_SUBS_DEV_ID_57D9 0x046D
#define IPR_SUBS_DEV_ID_57EB 0x0474
#define IPR_SUBS_DEV_ID_57EC 0x0475
#define IPR_SUBS_DEV_ID_57ED 0x0499
#define IPR_SUBS_DEV_ID_57EE 0x049A
#define IPR_SUBS_DEV_ID_57EF 0x049B
#define IPR_SUBS_DEV_ID_57F0 0x049C
#define IPR_NAME "ipr"
/*
* Return codes
*/
#define IPR_RC_JOB_CONTINUE 1
#define IPR_RC_JOB_RETURN 2
/*
* IOASCs
*/
#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
#define IPR_IOASC_BUS_WAS_RESET 0x06290000
#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
#define IPR_FIRST_DRIVER_IOASC 0x10000000
#define IPR_IOASC_IOA_WAS_RESET 0x10000001
#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
/* Driver data flags */
#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
#define IPR_USE_PCI_WARM_RESET 0x00000002
#define IPR_DEFAULT_MAX_ERROR_DUMP 984
#define IPR_NUM_LOG_HCAMS 2
#define IPR_NUM_CFG_CHG_HCAMS 2
#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
#define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
#define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
#define IPR_MAX_NUM_TARGETS_PER_BUS 256
#define IPR_MAX_NUM_LUNS_PER_TARGET 256
#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
#define IPR_VSET_BUS 0xff
#define IPR_IOA_BUS 0xff
#define IPR_IOA_TARGET 0xff
#define IPR_IOA_LUN 0xff
#define IPR_MAX_NUM_BUSES 16
#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
#define IPR_NUM_RESET_RELOAD_RETRIES 3
/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
#define IPR_MAX_COMMANDS 100
#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
IPR_NUM_INTERNAL_CMD_BLKS)
#define IPR_MAX_PHYSICAL_DEVS 192
#define IPR_DEFAULT_SIS64_DEVS 1024
#define IPR_MAX_SIS64_DEVS 4096
#define IPR_MAX_SGLIST 64
#define IPR_IOA_MAX_SECTORS 32767
#define IPR_VSET_MAX_SECTORS 512
#define IPR_MAX_CDB_LEN 16
#define IPR_MAX_HRRQ_RETRIES 3
#define IPR_DEFAULT_BUS_WIDTH 16
#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
#define IPR_IOA_RES_HANDLE 0xffffffff
#define IPR_INVALID_RES_HANDLE 0
#define IPR_IOA_RES_ADDR 0x00ffffff
/*
* Adapter Commands
*/
#define IPR_QUERY_RSRC_STATE 0xC2
#define IPR_RESET_DEVICE 0xC3
#define IPR_RESET_TYPE_SELECT 0x80
#define IPR_LUN_RESET 0x40
#define IPR_TARGET_RESET 0x20
#define IPR_BUS_RESET 0x10
#define IPR_ATA_PHY_RESET 0x80
#define IPR_ID_HOST_RR_Q 0xC4
#define IPR_QUERY_IOA_CONFIG 0xC5
#define IPR_CANCEL_ALL_REQUESTS 0xCE
#define IPR_HOST_CONTROLLED_ASYNC 0xCF
#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
#define IPR_SET_SUPPORTED_DEVICES 0xFB
#define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
#define IPR_IOA_SHUTDOWN 0xF7
#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
/*
* Timeouts
*/
#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
#define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
#define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
#define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
#define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
#define IPR_DUMP_DELAY_SECONDS 4
#define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
/*
* SCSI Literals
*/
#define IPR_VENDOR_ID_LEN 8
#define IPR_PROD_ID_LEN 16
#define IPR_SERIAL_NUM_LEN 8
/*
* Hardware literals
*/
#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
#define IPR_GET_FMT2_BAR_SEL(mbx) \
(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
#define IPR_SDT_FMT2_BAR0_SEL 0x0
#define IPR_SDT_FMT2_BAR1_SEL 0x1
#define IPR_SDT_FMT2_BAR2_SEL 0x2
#define IPR_SDT_FMT2_BAR3_SEL 0x3
#define IPR_SDT_FMT2_BAR4_SEL 0x4
#define IPR_SDT_FMT2_BAR5_SEL 0x5
#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
#define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
#define IPR_DOORBELL 0x82800000
#define IPR_RUNTIME_RESET 0x40000000
#define IPR_IPL_INIT_MIN_STAGE_TIME 5
#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 15
#define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
#define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
#define IPR_IPL_INIT_STAGE_MASK 0xff000000
#define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
#define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
#define IPR_PCII_ERROR_INTERRUPTS \
(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
#define IPR_PCII_OPER_INTERRUPTS \
(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
#define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
/*
* Dump literals
*/
#define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
#define IPR_FMT3_MAX_IOA_DUMP_SIZE (32 * 1024 * 1024)
#define IPR_FMT2_NUM_SDT_ENTRIES 511
#define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
#define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
#define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
/*
* Misc literals
*/
#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
#define IPR_MAX_MSIX_VECTORS 0x5
#define IPR_MAX_HRRQ_NUM 0x10
#define IPR_INIT_HRRQ 0x0
/*
* Adapter interface types
*/
struct ipr_res_addr {
u8 reserved;
u8 bus;
u8 target;
u8 lun;
#define IPR_GET_PHYS_LOC(res_addr) \
(((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
}__attribute__((packed, aligned (4)));
struct ipr_std_inq_vpids {
u8 vendor_id[IPR_VENDOR_ID_LEN];
u8 product_id[IPR_PROD_ID_LEN];
}__attribute__((packed));
struct ipr_vpd {
struct ipr_std_inq_vpids vpids;
u8 sn[IPR_SERIAL_NUM_LEN];
}__attribute__((packed));
struct ipr_ext_vpd {
struct ipr_vpd vpd;
__be32 wwid[2];
}__attribute__((packed));
struct ipr_ext_vpd64 {
struct ipr_vpd vpd;
__be32 wwid[4];
}__attribute__((packed));
struct ipr_std_inq_data {
u8 peri_qual_dev_type;
#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
u8 removeable_medium_rsvd;
#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
#define IPR_IS_DASD_DEVICE(std_inq) \
((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
#define IPR_IS_SES_DEVICE(std_inq) \
(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
u8 version;
u8 aen_naca_fmt;
u8 additional_len;
u8 sccs_rsvd;
u8 bq_enc_multi;
u8 sync_cmdq_flags;
struct ipr_std_inq_vpids vpids;
u8 ros_rsvd_ram_rsvd[4];
u8 serial_num[IPR_SERIAL_NUM_LEN];
}__attribute__ ((packed));
#define IPR_RES_TYPE_AF_DASD 0x00
#define IPR_RES_TYPE_GENERIC_SCSI 0x01
#define IPR_RES_TYPE_VOLUME_SET 0x02
#define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
#define IPR_RES_TYPE_GENERIC_ATA 0x04
#define IPR_RES_TYPE_ARRAY 0x05
#define IPR_RES_TYPE_IOAFP 0xff
struct ipr_config_table_entry {
u8 proto;
#define IPR_PROTO_SATA 0x02
#define IPR_PROTO_SATA_ATAPI 0x03
#define IPR_PROTO_SAS_STP 0x06
#define IPR_PROTO_SAS_STP_ATAPI 0x07
u8 array_id;
u8 flags;
#define IPR_IS_IOA_RESOURCE 0x80
u8 rsvd_subtype;
#define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
#define IPR_QUEUE_FROZEN_MODEL 0
#define IPR_QUEUE_NACA_MODEL 1
struct ipr_res_addr res_addr;
__be32 res_handle;
__be32 lun_wwn[2];
struct ipr_std_inq_data std_inq_data;
}__attribute__ ((packed, aligned (4)));
struct ipr_config_table_entry64 {
u8 res_type;
u8 proto;
u8 vset_num;
u8 array_id;
__be16 flags;
__be16 res_flags;
#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
__be32 res_handle;
u8 dev_id_type;
u8 reserved[3];
__be64 dev_id;
__be64 lun;
__be64 lun_wwn[2];
#define IPR_MAX_RES_PATH_LENGTH 48
__be64 res_path;
struct ipr_std_inq_data std_inq_data;
u8 reserved2[4];
__be64 reserved3[2];
u8 reserved4[8];
}__attribute__ ((packed, aligned (8)));
struct ipr_config_table_hdr {
u8 num_entries;
u8 flags;
#define IPR_UCODE_DOWNLOAD_REQ 0x10
__be16 reserved;
}__attribute__((packed, aligned (4)));
struct ipr_config_table_hdr64 {
__be16 num_entries;
__be16 reserved;
u8 flags;
u8 reserved2[11];
}__attribute__((packed, aligned (4)));
struct ipr_config_table {
struct ipr_config_table_hdr hdr;
struct ipr_config_table_entry dev[0];
}__attribute__((packed, aligned (4)));
struct ipr_config_table64 {
struct ipr_config_table_hdr64 hdr64;
struct ipr_config_table_entry64 dev[0];
}__attribute__((packed, aligned (8)));
struct ipr_config_table_entry_wrapper {
union {
struct ipr_config_table_entry *cfgte;
struct ipr_config_table_entry64 *cfgte64;
} u;
};
struct ipr_hostrcb_cfg_ch_not {
union {
struct ipr_config_table_entry cfgte;
struct ipr_config_table_entry64 cfgte64;
} u;
u8 reserved[936];
}__attribute__((packed, aligned (4)));
struct ipr_supported_device {
__be16 data_length;
u8 reserved;
u8 num_records;
struct ipr_std_inq_vpids vpids;
u8 reserved2[16];
}__attribute__((packed, aligned (4)));
struct ipr_hrr_queue {
struct ipr_ioa_cfg *ioa_cfg;
__be32 *host_rrq;
dma_addr_t host_rrq_dma;
#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
#define IPR_HRRQ_RESP_BIT_SET 0x00000002
#define IPR_HRRQ_TOGGLE_BIT 0x00000001
#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
#define IPR_ID_HRRQ_SELE_ENABLE 0x02
volatile __be32 *hrrq_start;
volatile __be32 *hrrq_end;
volatile __be32 *hrrq_curr;
struct list_head hrrq_free_q;
struct list_head hrrq_pending_q;
spinlock_t _lock;
spinlock_t *lock;
volatile u32 toggle_bit;
u32 size;
u32 min_cmd_id;
u32 max_cmd_id;
u8 allow_interrupts:1;
u8 ioa_is_dead:1;
u8 allow_cmds:1;
u8 removing_ioa:1;
struct blk_iopoll iopoll;
};
/* Command packet structure */
struct ipr_cmd_pkt {
u8 reserved; /* Reserved by IOA */
u8 hrrq_id;
u8 request_type;
#define IPR_RQTYPE_SCSICDB 0x00
#define IPR_RQTYPE_IOACMD 0x01
#define IPR_RQTYPE_HCAM 0x02
#define IPR_RQTYPE_ATA_PASSTHRU 0x04
u8 reserved2;
u8 flags_hi;
#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
u8 flags_lo;
#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
#define IPR_FLAGS_LO_ORDERED_TASK 0x04
#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
#define IPR_FLAGS_LO_ACA_TASK 0x08
u8 cdb[16];
__be16 timeout;
}__attribute__ ((packed, aligned(4)));
struct ipr_ioarcb_ata_regs { /* 22 bytes */
u8 flags;
#define IPR_ATA_FLAG_PACKET_CMD 0x80
#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
u8 reserved[3];
__be16 data;
u8 feature;
u8 nsect;
u8 lbal;
u8 lbam;
u8 lbah;
u8 device;
u8 command;
u8 reserved2[3];
u8 hob_feature;
u8 hob_nsect;
u8 hob_lbal;
u8 hob_lbam;
u8 hob_lbah;
u8 ctl;
}__attribute__ ((packed, aligned(2)));
struct ipr_ioadl_desc {
__be32 flags_and_data_len;
#define IPR_IOADL_FLAGS_MASK 0xff000000
#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
#define IPR_IOADL_FLAGS_READ 0x48000000
#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
#define IPR_IOADL_FLAGS_WRITE 0x68000000
#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
#define IPR_IOADL_FLAGS_LAST 0x01000000
__be32 address;
}__attribute__((packed, aligned (8)));
struct ipr_ioadl64_desc {
__be32 flags;
__be32 data_len;
__be64 address;
}__attribute__((packed, aligned (16)));
struct ipr_ata64_ioadl {
struct ipr_ioarcb_ata_regs regs;
u16 reserved[5];
struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
}__attribute__((packed, aligned (16)));
struct ipr_ioarcb_add_data {
union {
struct ipr_ioarcb_ata_regs regs;
struct ipr_ioadl_desc ioadl[5];
__be32 add_cmd_parms[10];
} u;
}__attribute__ ((packed, aligned (4)));
struct ipr_ioarcb_sis64_add_addr_ecb {
__be64 ioasa_host_pci_addr;
__be64 data_ioadl_addr;
__be64 reserved;
__be32 ext_control_buf[4];
}__attribute__((packed, aligned (8)));
/* IOA Request Control Block 128 bytes */
struct ipr_ioarcb {
union {
__be32 ioarcb_host_pci_addr;
__be64 ioarcb_host_pci_addr64;
} a;
__be32 res_handle;
__be32 host_response_handle;
__be32 reserved1;
__be32 reserved2;
__be32 reserved3;
__be32 data_transfer_length;
__be32 read_data_transfer_length;
__be32 write_ioadl_addr;
__be32 ioadl_len;
__be32 read_ioadl_addr;
__be32 read_ioadl_len;
__be32 ioasa_host_pci_addr;
__be16 ioasa_len;
__be16 reserved4;
struct ipr_cmd_pkt cmd_pkt;
__be16 add_cmd_parms_offset;
__be16 add_cmd_parms_len;
union {
struct ipr_ioarcb_add_data add_data;
struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
} u;
}__attribute__((packed, aligned (4)));
struct ipr_ioasa_vset {
__be32 failing_lba_hi;
__be32 failing_lba_lo;
__be32 reserved;
}__attribute__((packed, aligned (4)));
struct ipr_ioasa_af_dasd {
__be32 failing_lba;
__be32 reserved[2];
}__attribute__((packed, aligned (4)));
struct ipr_ioasa_gpdd {
u8 end_state;
u8 bus_phase;
__be16 reserved;
__be32 ioa_data[2];
}__attribute__((packed, aligned (4)));
struct ipr_ioasa_gata {
u8 error;
u8 nsect; /* Interrupt reason */
u8 lbal;
u8 lbam;
u8 lbah;
u8 device;
u8 status;
u8 alt_status; /* ATA CTL */
u8 hob_nsect;
u8 hob_lbal;
u8 hob_lbam;
u8 hob_lbah;
}__attribute__((packed, aligned (4)));
struct ipr_auto_sense {
__be16 auto_sense_len;
__be16 ioa_data_len;
__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
};
struct ipr_ioasa_hdr {
__be32 ioasc;
#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
__be16 ret_stat_len; /* Length of the returned IOASA */
__be16 avail_stat_len; /* Total Length of status available. */
__be32 residual_data_len; /* number of bytes in the host data */
/* buffers that were not used by the IOARCB command. */
__be32 ilid;
#define IPR_NO_ILID 0
#define IPR_DRIVER_ILID 0xffffffff
__be32 fd_ioasc;
__be32 fd_phys_locator;
__be32 fd_res_handle;
__be32 ioasc_specific; /* status code specific field */
#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
#define IPR_AUTOSENSE_VALID 0x40000000
#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
#define IPR_FIELD_POINTER_MASK 0x0000ffff
}__attribute__((packed, aligned (4)));
struct ipr_ioasa {
struct ipr_ioasa_hdr hdr;
union {
struct ipr_ioasa_vset vset;
struct ipr_ioasa_af_dasd dasd;
struct ipr_ioasa_gpdd gpdd;
struct ipr_ioasa_gata gata;
} u;
struct ipr_auto_sense auto_sense;
}__attribute__((packed, aligned (4)));
struct ipr_ioasa64 {
struct ipr_ioasa_hdr hdr;
u8 fd_res_path[8];
union {
struct ipr_ioasa_vset vset;
struct ipr_ioasa_af_dasd dasd;
struct ipr_ioasa_gpdd gpdd;
struct ipr_ioasa_gata gata;
} u;
struct ipr_auto_sense auto_sense;
}__attribute__((packed, aligned (4)));
struct ipr_mode_parm_hdr {
u8 length;
u8 medium_type;
u8 device_spec_parms;
u8 block_desc_len;
}__attribute__((packed));
struct ipr_mode_pages {
struct ipr_mode_parm_hdr hdr;
u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
}__attribute__((packed));
struct ipr_mode_page_hdr {
u8 ps_page_code;
#define IPR_MODE_PAGE_PS 0x80
#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
u8 page_length;
}__attribute__ ((packed));
struct ipr_dev_bus_entry {
struct ipr_res_addr res_addr;
u8 flags;
#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
#define IPR_SCSI_ATTR_QAS_MASK 0xC0
#define IPR_SCSI_ATTR_ENABLE_TM 0x20
#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
u8 scsi_id;
u8 bus_width;
u8 extended_reset_delay;
#define IPR_EXTENDED_RESET_DELAY 7
__be32 max_xfer_rate;
u8 spinup_delay;
u8 reserved3;
__be16 reserved4;
}__attribute__((packed, aligned (4)));
struct ipr_mode_page28 {
struct ipr_mode_page_hdr hdr;
u8 num_entries;
u8 entry_length;
struct ipr_dev_bus_entry bus[0];
}__attribute__((packed));
struct ipr_mode_page24 {
struct ipr_mode_page_hdr hdr;
u8 flags;
#define IPR_ENABLE_DUAL_IOA_AF 0x80
}__attribute__((packed));
struct ipr_ioa_vpd {
struct ipr_std_inq_data std_inq_data;
u8 ascii_part_num[12];
u8 reserved[40];
u8 ascii_plant_code[4];
}__attribute__((packed));
struct ipr_inquiry_page3 {
u8 peri_qual_dev_type;
u8 page_code;
u8 reserved1;
u8 page_length;
u8 ascii_len;
u8 reserved2[3];
u8 load_id[4];
u8 major_release;
u8 card_type;
u8 minor_release[2];
u8 ptf_number[4];
u8 patch_number[4];
}__attribute__((packed));
struct ipr_inquiry_cap {
u8 peri_qual_dev_type;
u8 page_code;
u8 reserved1;
u8 page_length;
u8 ascii_len;
u8 reserved2;
u8 sis_version[2];
u8 cap;
#define IPR_CAP_DUAL_IOA_RAID 0x80
u8 reserved3[15];
}__attribute__((packed));
#define IPR_INQUIRY_PAGE0_ENTRIES 20
struct ipr_inquiry_page0 {
u8 peri_qual_dev_type;
u8 page_code;
u8 reserved1;
u8 len;
u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
}__attribute__((packed));
struct ipr_hostrcb_device_data_entry {
struct ipr_vpd vpd;
struct ipr_res_addr dev_res_addr;
struct ipr_vpd new_vpd;
struct ipr_vpd ioa_last_with_dev_vpd;
struct ipr_vpd cfc_last_with_dev_vpd;
__be32 ioa_data[5];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_device_data_entry_enhanced {
struct ipr_ext_vpd vpd;
u8 ccin[4];
struct ipr_res_addr dev_res_addr;
struct ipr_ext_vpd new_vpd;
u8 new_ccin[4];
struct ipr_ext_vpd ioa_last_with_dev_vpd;
struct ipr_ext_vpd cfc_last_with_dev_vpd;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_device_data_entry_enhanced {
struct ipr_ext_vpd vpd;
u8 ccin[4];
u8 res_path[8];
struct ipr_ext_vpd new_vpd;
u8 new_ccin[4];
struct ipr_ext_vpd ioa_last_with_dev_vpd;
struct ipr_ext_vpd cfc_last_with_dev_vpd;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_array_data_entry {
struct ipr_vpd vpd;
struct ipr_res_addr expected_dev_res_addr;
struct ipr_res_addr dev_res_addr;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_array_data_entry {
struct ipr_ext_vpd vpd;
u8 ccin[4];
u8 expected_res_path[8];
u8 res_path[8];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_array_data_entry_enhanced {
struct ipr_ext_vpd vpd;
u8 ccin[4];
struct ipr_res_addr expected_dev_res_addr;
struct ipr_res_addr dev_res_addr;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_ff_error {
__be32 ioa_data[758];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_01_error {
__be32 seek_counter;
__be32 read_counter;
u8 sense_data[32];
__be32 ioa_data[236];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_02_error {
struct ipr_vpd ioa_vpd;
struct ipr_vpd cfc_vpd;
struct ipr_vpd ioa_last_attached_to_cfc_vpd;
struct ipr_vpd cfc_last_attached_to_ioa_vpd;
__be32 ioa_data[3];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_12_error {
struct ipr_ext_vpd ioa_vpd;
struct ipr_ext_vpd cfc_vpd;
struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
__be32 ioa_data[3];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_03_error {
struct ipr_vpd ioa_vpd;
struct ipr_vpd cfc_vpd;
__be32 errors_detected;
__be32 errors_logged;
u8 ioa_data[12];
struct ipr_hostrcb_device_data_entry dev[3];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_13_error {
struct ipr_ext_vpd ioa_vpd;
struct ipr_ext_vpd cfc_vpd;
__be32 errors_detected;
__be32 errors_logged;
struct ipr_hostrcb_device_data_entry_enhanced dev[3];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_23_error {
struct ipr_ext_vpd ioa_vpd;
struct ipr_ext_vpd cfc_vpd;
__be32 errors_detected;
__be32 errors_logged;
struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_04_error {
struct ipr_vpd ioa_vpd;
struct ipr_vpd cfc_vpd;
u8 ioa_data[12];
struct ipr_hostrcb_array_data_entry array_member[10];
__be32 exposed_mode_adn;
__be32 array_id;
struct ipr_vpd incomp_dev_vpd;
__be32 ioa_data2;
struct ipr_hostrcb_array_data_entry array_member2[8];
struct ipr_res_addr last_func_vset_res_addr;
u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
u8 protection_level[8];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_14_error {
struct ipr_ext_vpd ioa_vpd;
struct ipr_ext_vpd cfc_vpd;
__be32 exposed_mode_adn;
__be32 array_id;
struct ipr_res_addr last_func_vset_res_addr;
u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
u8 protection_level[8];
__be32 num_entries;
struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_24_error {
struct ipr_ext_vpd ioa_vpd;
struct ipr_ext_vpd cfc_vpd;
u8 reserved[2];
u8 exposed_mode_adn;
#define IPR_INVALID_ARRAY_DEV_NUM 0xff
u8 array_id;
u8 last_res_path[8];
u8 protection_level[8];
struct ipr_ext_vpd64 array_vpd;
u8 description[16];
u8 reserved2[3];
u8 num_entries;
struct ipr_hostrcb64_array_data_entry array_member[32];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_07_error {
u8 failure_reason[64];
struct ipr_vpd vpd;
u32 data[222];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_17_error {
u8 failure_reason[64];
struct ipr_ext_vpd vpd;
u32 data[476];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_config_element {
u8 type_status;
#define IPR_PATH_CFG_TYPE_MASK 0xF0
#define IPR_PATH_CFG_NOT_EXIST 0x00
#define IPR_PATH_CFG_IOA_PORT 0x10
#define IPR_PATH_CFG_EXP_PORT 0x20
#define IPR_PATH_CFG_DEVICE_PORT 0x30
#define IPR_PATH_CFG_DEVICE_LUN 0x40
#define IPR_PATH_CFG_STATUS_MASK 0x0F
#define IPR_PATH_CFG_NO_PROB 0x00
#define IPR_PATH_CFG_DEGRADED 0x01
#define IPR_PATH_CFG_FAILED 0x02
#define IPR_PATH_CFG_SUSPECT 0x03
#define IPR_PATH_NOT_DETECTED 0x04
#define IPR_PATH_INCORRECT_CONN 0x05
u8 cascaded_expander;
u8 phy;
u8 link_rate;
#define IPR_PHY_LINK_RATE_MASK 0x0F
__be32 wwid[2];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_config_element {
__be16 length;
u8 descriptor_id;
#define IPR_DESCRIPTOR_MASK 0xC0
#define IPR_DESCRIPTOR_SIS64 0x00
u8 reserved;
u8 type_status;
u8 reserved2[2];
u8 link_rate;
u8 res_path[8];
__be32 wwid[2];
}__attribute__((packed, aligned (8)));
struct ipr_hostrcb_fabric_desc {
__be16 length;
u8 ioa_port;
u8 cascaded_expander;
u8 phy;
u8 path_state;
#define IPR_PATH_ACTIVE_MASK 0xC0
#define IPR_PATH_NO_INFO 0x00
#define IPR_PATH_ACTIVE 0x40
#define IPR_PATH_NOT_ACTIVE 0x80
#define IPR_PATH_STATE_MASK 0x0F
#define IPR_PATH_STATE_NO_INFO 0x00
#define IPR_PATH_HEALTHY 0x01
#define IPR_PATH_DEGRADED 0x02
#define IPR_PATH_FAILED 0x03
__be16 num_entries;
struct ipr_hostrcb_config_element elem[1];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_fabric_desc {
__be16 length;
u8 descriptor_id;
u8 reserved[2];
u8 path_state;
u8 reserved2[2];
u8 res_path[8];
u8 reserved3[6];
__be16 num_entries;
struct ipr_hostrcb64_config_element elem[1];
}__attribute__((packed, aligned (8)));
#define for_each_hrrq(hrrq, ioa_cfg) \
for (hrrq = (ioa_cfg)->hrrq; \
hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
#define for_each_fabric_cfg(fabric, cfg) \
for (cfg = (fabric)->elem; \
cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
cfg++)
struct ipr_hostrcb_type_20_error {
u8 failure_reason[64];
u8 reserved[3];
u8 num_entries;
struct ipr_hostrcb_fabric_desc desc[1];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_30_error {
u8 failure_reason[64];
u8 reserved[3];
u8 num_entries;
struct ipr_hostrcb64_fabric_desc desc[1];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_error {
__be32 fd_ioasc;
struct ipr_res_addr fd_res_addr;
__be32 fd_res_handle;
__be32 prc;
union {
struct ipr_hostrcb_type_ff_error type_ff_error;
struct ipr_hostrcb_type_01_error type_01_error;
struct ipr_hostrcb_type_02_error type_02_error;
struct ipr_hostrcb_type_03_error type_03_error;
struct ipr_hostrcb_type_04_error type_04_error;
struct ipr_hostrcb_type_07_error type_07_error;
struct ipr_hostrcb_type_12_error type_12_error;
struct ipr_hostrcb_type_13_error type_13_error;
struct ipr_hostrcb_type_14_error type_14_error;
struct ipr_hostrcb_type_17_error type_17_error;
struct ipr_hostrcb_type_20_error type_20_error;
} u;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_error {
__be32 fd_ioasc;
__be32 ioa_fw_level;
__be32 fd_res_handle;
__be32 prc;
__be64 fd_dev_id;
__be64 fd_lun;
u8 fd_res_path[8];
__be64 time_stamp;
u8 reserved[16];
union {
struct ipr_hostrcb_type_ff_error type_ff_error;
struct ipr_hostrcb_type_12_error type_12_error;
struct ipr_hostrcb_type_17_error type_17_error;
struct ipr_hostrcb_type_23_error type_23_error;
struct ipr_hostrcb_type_24_error type_24_error;
struct ipr_hostrcb_type_30_error type_30_error;
} u;
}__attribute__((packed, aligned (8)));
struct ipr_hostrcb_raw {
__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
}__attribute__((packed, aligned (4)));
struct ipr_hcam {
u8 op_code;
#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
u8 notify_type;
#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
u8 notifications_lost;
#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
u8 flags;
#define IPR_HOSTRCB_INTERNAL_OPER 0x80
#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
u8 overlay_id;
#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
#define IPR_HOST_RCB_OVERLAY_ID_23 0x23
#define IPR_HOST_RCB_OVERLAY_ID_24 0x24
#define IPR_HOST_RCB_OVERLAY_ID_26 0x26
#define IPR_HOST_RCB_OVERLAY_ID_30 0x30
#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
u8 reserved1[3];
__be32 ilid;
__be32 time_since_last_ioa_reset;
__be32 reserved2;
__be32 length;
union {
struct ipr_hostrcb_error error;
struct ipr_hostrcb64_error error64;
struct ipr_hostrcb_cfg_ch_not ccn;
struct ipr_hostrcb_raw raw;
} u;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb {
struct ipr_hcam hcam;
dma_addr_t hostrcb_dma;
struct list_head queue;
struct ipr_ioa_cfg *ioa_cfg;
char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
};
/* IPR smart dump table structures */
struct ipr_sdt_entry {
__be32 start_token;
__be32 end_token;
u8 reserved[4];
u8 flags;
#define IPR_SDT_ENDIAN 0x80
#define IPR_SDT_VALID_ENTRY 0x20
u8 resv;
__be16 priority;
}__attribute__((packed, aligned (4)));
struct ipr_sdt_header {
__be32 state;
__be32 num_entries;
__be32 num_entries_used;
__be32 dump_size;
}__attribute__((packed, aligned (4)));
struct ipr_sdt {
struct ipr_sdt_header hdr;
struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
}__attribute__((packed, aligned (4)));
struct ipr_uc_sdt {
struct ipr_sdt_header hdr;
struct ipr_sdt_entry entry[1];
}__attribute__((packed, aligned (4)));
/*
* Driver types
*/
struct ipr_bus_attributes {
u8 bus;
u8 qas_enabled;
u8 bus_width;
u8 reserved;
u32 max_xfer_rate;
};
struct ipr_sata_port {
struct ipr_ioa_cfg *ioa_cfg;
struct ata_port *ap;
struct ipr_resource_entry *res;
struct ipr_ioasa_gata ioasa;
};
struct ipr_resource_entry {
u8 needs_sync_complete:1;
u8 in_erp:1;
u8 add_to_ml:1;
u8 del_from_ml:1;
u8 resetting_device:1;
u32 bus; /* AKA channel */
u32 target; /* AKA id */
u32 lun;
#define IPR_ARRAY_VIRTUAL_BUS 0x1
#define IPR_VSET_VIRTUAL_BUS 0x2
#define IPR_IOAFP_VIRTUAL_BUS 0x3
#define IPR_GET_RES_PHYS_LOC(res) \
(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
u8 ata_class;
u8 flags;
__be16 res_flags;
u8 type;
u8 qmodel;
struct ipr_std_inq_data std_inq_data;
__be32 res_handle;
__be64 dev_id;
__be64 lun_wwn;
struct scsi_lun dev_lun;
u8 res_path[8];
struct ipr_ioa_cfg *ioa_cfg;
struct scsi_device *sdev;
struct ipr_sata_port *sata_port;
struct list_head queue;
}; /* struct ipr_resource_entry */
struct ipr_resource_hdr {
u16 num_entries;
u16 reserved;
};
struct ipr_misc_cbs {
struct ipr_ioa_vpd ioa_vpd;
struct ipr_inquiry_page0 page0_data;
struct ipr_inquiry_page3 page3_data;
struct ipr_inquiry_cap cap;
struct ipr_mode_pages mode_pages;
struct ipr_supported_device supp_dev;
};
struct ipr_interrupt_offsets {
unsigned long set_interrupt_mask_reg;
unsigned long clr_interrupt_mask_reg;
unsigned long clr_interrupt_mask_reg32;
unsigned long sense_interrupt_mask_reg;
unsigned long sense_interrupt_mask_reg32;
unsigned long clr_interrupt_reg;
unsigned long clr_interrupt_reg32;
unsigned long sense_interrupt_reg;
unsigned long sense_interrupt_reg32;
unsigned long ioarrin_reg;
unsigned long sense_uproc_interrupt_reg;
unsigned long sense_uproc_interrupt_reg32;
unsigned long set_uproc_interrupt_reg;
unsigned long set_uproc_interrupt_reg32;
unsigned long clr_uproc_interrupt_reg;
unsigned long clr_uproc_interrupt_reg32;
unsigned long init_feedback_reg;
unsigned long dump_addr_reg;
unsigned long dump_data_reg;
#define IPR_ENDIAN_SWAP_KEY 0x00080800
unsigned long endian_swap_reg;
};
struct ipr_interrupts {
void __iomem *set_interrupt_mask_reg;
void __iomem *clr_interrupt_mask_reg;
void __iomem *clr_interrupt_mask_reg32;
void __iomem *sense_interrupt_mask_reg;
void __iomem *sense_interrupt_mask_reg32;
void __iomem *clr_interrupt_reg;
void __iomem *clr_interrupt_reg32;
void __iomem *sense_interrupt_reg;
void __iomem *sense_interrupt_reg32;
void __iomem *ioarrin_reg;
void __iomem *sense_uproc_interrupt_reg;
void __iomem *sense_uproc_interrupt_reg32;
void __iomem *set_uproc_interrupt_reg;
void __iomem *set_uproc_interrupt_reg32;
void __iomem *clr_uproc_interrupt_reg;
void __iomem *clr_uproc_interrupt_reg32;
void __iomem *init_feedback_reg;
void __iomem *dump_addr_reg;
void __iomem *dump_data_reg;
void __iomem *endian_swap_reg;
};
struct ipr_chip_cfg_t {
u32 mailbox;
u16 max_cmds;
u8 cache_line_size;
u8 clear_isr;
u32 iopoll_weight;
struct ipr_interrupt_offsets regs;
};
struct ipr_chip_t {
u16 vendor;
u16 device;
u16 intr_type;
#define IPR_USE_LSI 0x00
#define IPR_USE_MSI 0x01
#define IPR_USE_MSIX 0x02
u16 sis_type;
#define IPR_SIS32 0x00
#define IPR_SIS64 0x01
u16 bist_method;
#define IPR_PCI_CFG 0x00
#define IPR_MMIO 0x01
const struct ipr_chip_cfg_t *cfg;
};
enum ipr_shutdown_type {
IPR_SHUTDOWN_NORMAL = 0x00,
IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
IPR_SHUTDOWN_ABBREV = 0x80,
IPR_SHUTDOWN_NONE = 0x100
};
struct ipr_trace_entry {
u32 time;
u8 op_code;
u8 ata_op_code;
u8 type;
#define IPR_TRACE_START 0x00
#define IPR_TRACE_FINISH 0xff
u8 cmd_index;
__be32 res_handle;
union {
u32 ioasc;
u32 add_data;
u32 res_addr;
} u;
};
struct ipr_sglist {
u32 order;
u32 num_sg;
u32 num_dma_sg;
u32 buffer_len;
struct scatterlist scatterlist[1];
};
enum ipr_sdt_state {
INACTIVE,
WAIT_FOR_DUMP,
GET_DUMP,
READ_DUMP,
ABORT_DUMP,
DUMP_OBTAINED
};
/* Per-controller data */
struct ipr_ioa_cfg {
char eye_catcher[8];
#define IPR_EYECATCHER "iprcfg"
struct list_head queue;
u8 in_reset_reload:1;
u8 in_ioa_bringdown:1;
u8 ioa_unit_checked:1;
u8 dump_taken:1;
u8 allow_ml_add_del:1;
u8 needs_hard_reset:1;
u8 dual_raid:1;
u8 needs_warm_reset:1;
u8 msi_received:1;
u8 sis64:1;
u8 dump_timeout:1;
u8 cfg_locked:1;
u8 clear_isr:1;
u8 revid;
/*
* Bitmaps for SIS64 generated target values
*/
unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
u16 type; /* CCIN of the card */
u8 log_level;
#define IPR_MAX_LOG_LEVEL 4
#define IPR_DEFAULT_LOG_LEVEL 2
#define IPR_NUM_TRACE_INDEX_BITS 8
#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
char trace_start[8];
#define IPR_TRACE_START_LABEL "trace"
struct ipr_trace_entry *trace;
atomic_t trace_index;
char cfg_table_start[8];
#define IPR_CFG_TBL_START "cfg"
union {
struct ipr_config_table *cfg_table;
struct ipr_config_table64 *cfg_table64;
} u;
dma_addr_t cfg_table_dma;
u32 cfg_table_size;
u32 max_devs_supported;
char resource_table_label[8];
#define IPR_RES_TABLE_LABEL "res_tbl"
struct ipr_resource_entry *res_entries;
struct list_head free_res_q;
struct list_head used_res_q;
char ipr_hcam_label[8];
#define IPR_HCAM_LABEL "hcams"
struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
struct list_head hostrcb_free_q;
struct list_head hostrcb_pending_q;
struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
u32 hrrq_num;
atomic_t hrrq_index;
u16 identify_hrrq_index;
struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
unsigned int transop_timeout;
const struct ipr_chip_cfg_t *chip_cfg;
const struct ipr_chip_t *ipr_chip;
void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
void __iomem *ioa_mailbox;
struct ipr_interrupts regs;
u16 saved_pcix_cmd_reg;
u16 reset_retries;
u32 errors_logged;
u32 doorbell;
struct Scsi_Host *host;
struct pci_dev *pdev;
struct ipr_sglist *ucode_sglist;
u8 saved_mode_page_len;
struct work_struct work_q;
wait_queue_head_t reset_wait_q;
wait_queue_head_t msi_wait_q;
struct ipr_dump *dump;
enum ipr_sdt_state sdt_state;
struct ipr_misc_cbs *vpd_cbs;
dma_addr_t vpd_cbs_dma;
struct pci_pool *ipr_cmd_pool;
struct ipr_cmnd *reset_cmd;
int (*reset) (struct ipr_cmnd *);
struct ata_host ata_host;
char ipr_cmd_label[8];
#define IPR_CMD_LABEL "ipr_cmd"
u32 max_cmds;
struct ipr_cmnd **ipr_cmnd_list;
dma_addr_t *ipr_cmnd_list_dma;
u16 intr_flag;
unsigned int nvectors;
struct {
unsigned short vec;
char desc[22];
} vectors_info[IPR_MAX_MSIX_VECTORS];
u32 iopoll_weight;
}; /* struct ipr_ioa_cfg */
struct ipr_cmnd {
struct ipr_ioarcb ioarcb;
union {
struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
struct ipr_ata64_ioadl ata_ioadl;
} i;
union {
struct ipr_ioasa ioasa;
struct ipr_ioasa64 ioasa64;
} s;
struct list_head queue;
struct scsi_cmnd *scsi_cmd;
struct ata_queued_cmd *qc;
struct completion completion;
struct timer_list timer;
void (*fast_done) (struct ipr_cmnd *);
void (*done) (struct ipr_cmnd *);
int (*job_step) (struct ipr_cmnd *);
int (*job_step_failed) (struct ipr_cmnd *);
u16 cmd_index;
u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
dma_addr_t sense_buffer_dma;
unsigned short dma_use_sg;
dma_addr_t dma_addr;
struct ipr_cmnd *sibling;
union {
enum ipr_shutdown_type shutdown_type;
struct ipr_hostrcb *hostrcb;
unsigned long time_left;
unsigned long scratch;
struct ipr_resource_entry *res;
struct scsi_device *sdev;
} u;
struct ipr_hrr_queue *hrrq;
struct ipr_ioa_cfg *ioa_cfg;
};
struct ipr_ses_table_entry {
char product_id[17];
char compare_product_id_byte[17];
u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
};
struct ipr_dump_header {
u32 eye_catcher;
#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
u32 len;
u32 num_entries;
u32 first_entry_offset;
u32 status;
#define IPR_DUMP_STATUS_SUCCESS 0
#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
#define IPR_DUMP_STATUS_FAILED 0xffffffff
u32 os;
#define IPR_DUMP_OS_LINUX 0x4C4E5558
u32 driver_name;
#define IPR_DUMP_DRIVER_NAME 0x49505232
}__attribute__((packed, aligned (4)));
struct ipr_dump_entry_header {
u32 eye_catcher;
#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
u32 len;
u32 num_elems;
u32 offset;
u32 data_type;
#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
u32 id;
#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
#define IPR_DUMP_LOCATION_ID 0x4C4F4341
#define IPR_DUMP_TRACE_ID 0x54524143
#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
#define IPR_DUMP_PEND_OPS 0x414F5053
u32 status;
}__attribute__((packed, aligned (4)));
struct ipr_dump_location_entry {
struct ipr_dump_entry_header hdr;
u8 location[20];
}__attribute__((packed));
struct ipr_dump_trace_entry {
struct ipr_dump_entry_header hdr;
u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
}__attribute__((packed, aligned (4)));
struct ipr_dump_version_entry {
struct ipr_dump_entry_header hdr;
u8 version[sizeof(IPR_DRIVER_VERSION)];
};
struct ipr_dump_ioa_type_entry {
struct ipr_dump_entry_header hdr;
u32 type;
u32 fw_version;
};
struct ipr_driver_dump {
struct ipr_dump_header hdr;
struct ipr_dump_version_entry version_entry;
struct ipr_dump_location_entry location_entry;
struct ipr_dump_ioa_type_entry ioa_type_entry;
struct ipr_dump_trace_entry trace_entry;
}__attribute__((packed));
struct ipr_ioa_dump {
struct ipr_dump_entry_header hdr;
struct ipr_sdt sdt;
__be32 **ioa_data;
u32 reserved;
u32 next_page_index;
u32 page_offset;
u32 format;
}__attribute__((packed, aligned (4)));
struct ipr_dump {
struct kref kref;
struct ipr_ioa_cfg *ioa_cfg;
struct ipr_driver_dump driver_dump;
struct ipr_ioa_dump ioa_dump;
};
struct ipr_error_table_t {
u32 ioasc;
int log_ioasa;
int log_hcam;
char *error;
};
struct ipr_software_inq_lid_info {
__be32 load_id;
__be32 timestamp[3];
}__attribute__((packed, aligned (4)));
struct ipr_ucode_image_header {
__be32 header_length;
__be32 lid_table_offset;
u8 major_release;
u8 card_type;
u8 minor_release[2];
u8 reserved[20];
char eyecatcher[16];
__be32 num_lids;
struct ipr_software_inq_lid_info lid[1];
}__attribute__((packed, aligned (4)));
/*
* Macros
*/
#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
#ifdef CONFIG_SCSI_IPR_TRACE
#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
#else
#define ipr_create_trace_file(kobj, attr) 0
#define ipr_remove_trace_file(kobj, attr) do { } while(0)
#endif
#ifdef CONFIG_SCSI_IPR_DUMP
#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
#else
#define ipr_create_dump_file(kobj, attr) 0
#define ipr_remove_dump_file(kobj, attr) do { } while(0)
#endif
/*
* Error logging macros
*/
#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
bus, target, lun, ##__VA_ARGS__)
#define ipr_res_err(ioa_cfg, res, fmt, ...) \
ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
{ \
if ((res).bus >= IPR_MAX_NUM_BUSES) { \
ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
} else { \
ipr_err(fmt": %d:%d:%d:%d\n", \
##__VA_ARGS__, (ioa_cfg)->host->host_no, \
(res).bus, (res).target, (res).lun); \
} \
}
#define ipr_hcam_err(hostrcb, fmt, ...) \
{ \
if (ipr_is_device(hostrcb)) { \
if ((hostrcb)->ioa_cfg->sis64) { \
printk(KERN_ERR IPR_NAME ": %s: " fmt, \
ipr_format_res_path(hostrcb->ioa_cfg, \
hostrcb->hcam.u.error64.fd_res_path, \
hostrcb->rp_buffer, \
sizeof(hostrcb->rp_buffer)), \
__VA_ARGS__); \
} else { \
ipr_ra_err((hostrcb)->ioa_cfg, \
(hostrcb)->hcam.u.error.fd_res_addr, \
fmt, __VA_ARGS__); \
} \
} else { \
dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
} \
}
#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
__FILE__, __func__, __LINE__)
#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
#define ipr_err_separator \
ipr_err("----------------------------------------------------------\n")
/*
* Inlines
*/
/**
* ipr_is_ioa_resource - Determine if a resource is the IOA
* @res: resource entry struct
*
* Return value:
* 1 if IOA / 0 if not IOA
**/
static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
{
return res->type == IPR_RES_TYPE_IOAFP;
}
/**
* ipr_is_af_dasd_device - Determine if a resource is an AF DASD
* @res: resource entry struct
*
* Return value:
* 1 if AF DASD / 0 if not AF DASD
**/
static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
{
return res->type == IPR_RES_TYPE_AF_DASD ||
res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
}
/**
* ipr_is_vset_device - Determine if a resource is a VSET
* @res: resource entry struct
*
* Return value:
* 1 if VSET / 0 if not VSET
**/
static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
{
return res->type == IPR_RES_TYPE_VOLUME_SET;
}
/**
* ipr_is_gscsi - Determine if a resource is a generic scsi resource
* @res: resource entry struct
*
* Return value:
* 1 if GSCSI / 0 if not GSCSI
**/
static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
{
return res->type == IPR_RES_TYPE_GENERIC_SCSI;
}
/**
* ipr_is_scsi_disk - Determine if a resource is a SCSI disk
* @res: resource entry struct
*
* Return value:
* 1 if SCSI disk / 0 if not SCSI disk
**/
static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
{
if (ipr_is_af_dasd_device(res) ||
(ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
return 1;
else
return 0;
}
/**
* ipr_is_gata - Determine if a resource is a generic ATA resource
* @res: resource entry struct
*
* Return value:
* 1 if GATA / 0 if not GATA
**/
static inline int ipr_is_gata(struct ipr_resource_entry *res)
{
return res->type == IPR_RES_TYPE_GENERIC_ATA;
}
/**
* ipr_is_naca_model - Determine if a resource is using NACA queueing model
* @res: resource entry struct
*
* Return value:
* 1 if NACA queueing model / 0 if not NACA queueing model
**/
static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
{
if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
return 1;
return 0;
}
/**
* ipr_is_device - Determine if the hostrcb structure is related to a device
* @hostrcb: host resource control blocks struct
*
* Return value:
* 1 if AF / 0 if not AF
**/
static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
{
struct ipr_res_addr *res_addr;
u8 *res_path;
if (hostrcb->ioa_cfg->sis64) {
res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
res_path[0] == 0x81) && res_path[2] != 0xFF)
return 1;
} else {
res_addr = &hostrcb->hcam.u.error.fd_res_addr;
if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
(res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
return 1;
}
return 0;
}
/**
* ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
* @sdt_word: SDT address
*
* Return value:
* 1 if format 2 / 0 if not
**/
static inline int ipr_sdt_is_fmt2(u32 sdt_word)
{
u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
switch (bar_sel) {
case IPR_SDT_FMT2_BAR0_SEL:
case IPR_SDT_FMT2_BAR1_SEL:
case IPR_SDT_FMT2_BAR2_SEL:
case IPR_SDT_FMT2_BAR3_SEL:
case IPR_SDT_FMT2_BAR4_SEL:
case IPR_SDT_FMT2_BAR5_SEL:
case IPR_SDT_FMT2_EXP_ROM_SEL:
return 1;
};
return 0;
}
#ifndef writeq
static inline void writeq(u64 val, void __iomem *addr)
{
writel(((u32) (val >> 32)), addr);
writel(((u32) (val)), (addr + 4));
}
#endif
#endif /* _IPR_H */
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