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linux/drivers/scsi/ipr.h
Jan Kiszka fb51ccbf21 PCI: Rework config space blocking services 
pci_block_user_cfg_access was designed for the use case that a single
context, the IPR driver, temporarily delays user space accesses to the
config space via sysfs. This assumption became invalid by the time
pci_dev_reset was added as locking instance. Today, if you run two loops
in parallel that reset the same device via sysfs, you end up with a
kernel BUG as pci_block_user_cfg_access detect the broken assumption.

This reworks the pci_block_user_cfg_access to a sleeping service
pci_cfg_access_lock and an atomic-compatible variant called
pci_cfg_access_trylock. The former not only blocks user space access as
before but also waits if access was already locked. The latter service
just returns false in this case, allowing the caller to resolve the
conflict instead of raising a BUG.

Adaptions of the ipr driver were originally written by Brian King.

Acked-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-01-06 12:10:33 -08:00

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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 <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
/*
* Literals
*/
#define IPR_DRIVER_VERSION "2.5.2"
#define IPR_DRIVER_DATE "(April 27, 2011)"
/*
* 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 100
#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
#define PCI_DEVICE_ID_IBM_CROC_ASIC_E2 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_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_575D 0x035D
#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 IPR_NUM_BASE_CMD_BLKS
#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
/*
* 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 24
__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)));
/* Command packet structure */
struct ipr_cmd_pkt {
__be16 reserved; /* Reserved by IOA */
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(4)));
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_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;
u8 cache_line_size;
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
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 allow_interrupts:1;
u8 in_reset_reload:1;
u8 in_ioa_bringdown:1;
u8 ioa_unit_checked:1;
u8 ioa_is_dead:1;
u8 dump_taken:1;
u8 allow_cmds: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 revid;
/*
* Bitmaps for SIS64 generated target values
*/
unsigned long *target_ids;
unsigned long *array_ids;
unsigned long *vset_ids;
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;
u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
/*
* Queue for free command blocks
*/
char ipr_free_label[8];
#define IPR_FREEQ_LABEL "free-q"
struct list_head free_q;
/*
* Queue for command blocks outstanding to the adapter
*/
char ipr_pending_label[8];
#define IPR_PENDQ_LABEL "pend-q"
struct list_head pending_q;
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;
__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
volatile __be32 *hrrq_start;
volatile __be32 *hrrq_end;
volatile __be32 *hrrq_curr;
volatile u32 toggle_bit;
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"
struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
dma_addr_t ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
}; /* 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 (*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_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->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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