https://github.com/torvalds/linux
Tip revision: 2a24ab628aa7b190be32f63dfb6d96f3fb61580a authored by Linus Torvalds on 25 May 2005, 03:31:20 UTC
Linux 2.6.12-rc5
Linux 2.6.12-rc5
Tip revision: 2a24ab6
ipr.h
/*
* 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@redhat.com> - Removed several careless u32/dma_addr_t errors
* that broke 64bit platforms.
*/
#ifndef _IPR_H
#define _IPR_H
#include <linux/types.h>
#include <linux/completion.h>
#include <linux/list.h>
#include <linux/kref.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
/*
* Literals
*/
#define IPR_DRIVER_VERSION "2.0.13"
#define IPR_DRIVER_DATE "(February 21, 2005)"
/*
* IPR_DBG_TRACE: Setting this to 1 will turn on some general function tracing
* resulting in a bunch of extra debugging printks to the console
*
* IPR_DEBUG: Setting this to 1 will turn on some error path tracing.
* Enables the ipr_trace macro.
*/
#ifdef IPR_DEBUG_ALL
#define IPR_DEBUG 1
#define IPR_DBG_TRACE 1
#else
#define IPR_DEBUG 0
#define IPR_DBG_TRACE 0
#endif
/*
* 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
/*
* 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 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_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_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_RESOURCE_HANDLE 0x05250000
#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
#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_NUM_TARGETS_PER_BUS 0x10
#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 4
#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) + 3)
#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_MAX_SGLIST 64
#define IPR_IOA_MAX_SECTORS 32767
#define IPR_VSET_MAX_SECTORS 512
#define IPR_MAX_CDB_LEN 16
#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_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_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_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_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 (10 * 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_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
#define IPR_DUMP_TIMEOUT (15 * 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_DOORBELL 0x82800000
#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_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_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
#define IPR_NUM_SDT_ENTRIES 511
#define IPR_MAX_NUM_DUMP_PAGES ((IPR_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_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));
struct ipr_config_table_entry {
u8 service_level;
u8 array_id;
u8 flags;
#define IPR_IS_IOA_RESOURCE 0x80
#define IPR_IS_ARRAY_MEMBER 0x20
#define IPR_IS_HOT_SPARE 0x10
u8 rsvd_subtype;
#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
#define IPR_SUBTYPE_AF_DASD 0
#define IPR_SUBTYPE_GENERIC_SCSI 1
#define IPR_SUBTYPE_VOLUME_SET 2
struct ipr_res_addr res_addr;
__be32 res_handle;
__be32 reserved4[2];
struct ipr_std_inq_data std_inq_data;
}__attribute__ ((packed, aligned (4)));
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 {
struct ipr_config_table_hdr hdr;
struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_cfg_ch_not {
struct ipr_config_table_entry cfgte;
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
u8 luntar_luntrn;
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)));
/* IOA Request Control Block 128 bytes */
struct ipr_ioarcb {
__be32 ioarcb_host_pci_addr;
__be32 reserved;
__be32 res_handle;
__be32 host_response_handle;
__be32 reserved1;
__be32 reserved2;
__be32 reserved3;
__be32 write_data_transfer_length;
__be32 read_data_transfer_length;
__be32 write_ioadl_addr;
__be32 write_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;
__be32 add_cmd_parms_len;
__be32 add_cmd_parms[10];
}__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_ioasa_vset {
__be32 failing_lba_hi;
__be32 failing_lba_lo;
__be32 ioa_data[22];
}__attribute__((packed, aligned (4)));
struct ipr_ioasa_af_dasd {
__be32 failing_lba;
}__attribute__((packed, aligned (4)));
struct ipr_ioasa_gpdd {
u8 end_state;
u8 bus_phase;
__be16 reserved;
__be32 ioa_data[23];
}__attribute__((packed, aligned (4)));
struct ipr_ioasa_raw {
__be32 ioa_data[24];
}__attribute__((packed, aligned (4)));
struct ipr_ioasa {
__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_IOASC_SPECIFIC_MASK 0x00ffffff
#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
#define IPR_FIELD_POINTER_MASK 0x0000ffff
union {
struct ipr_ioasa_vset vset;
struct ipr_ioasa_af_dasd dasd;
struct ipr_ioasa_gpdd gpdd;
struct ipr_ioasa_raw raw;
} u;
}__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_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_hostrcb_device_data_entry {
struct ipr_std_inq_vpids dev_vpids;
u8 dev_sn[IPR_SERIAL_NUM_LEN];
struct ipr_res_addr dev_res_addr;
struct ipr_std_inq_vpids new_dev_vpids;
u8 new_dev_sn[IPR_SERIAL_NUM_LEN];
struct ipr_std_inq_vpids ioa_last_with_dev_vpids;
u8 ioa_last_with_dev_sn[IPR_SERIAL_NUM_LEN];
struct ipr_std_inq_vpids cfc_last_with_dev_vpids;
u8 cfc_last_with_dev_sn[IPR_SERIAL_NUM_LEN];
__be32 ioa_data[5];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_array_data_entry {
struct ipr_std_inq_vpids vpids;
u8 serial_num[IPR_SERIAL_NUM_LEN];
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[246];
}__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_std_inq_vpids ioa_vpids;
u8 ioa_sn[IPR_SERIAL_NUM_LEN];
struct ipr_std_inq_vpids cfc_vpids;
u8 cfc_sn[IPR_SERIAL_NUM_LEN];
struct ipr_std_inq_vpids ioa_last_attached_to_cfc_vpids;
u8 ioa_last_attached_to_cfc_sn[IPR_SERIAL_NUM_LEN];
struct ipr_std_inq_vpids cfc_last_attached_to_ioa_vpids;
u8 cfc_last_attached_to_ioa_sn[IPR_SERIAL_NUM_LEN];
__be32 ioa_data[3];
u8 reserved[844];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_03_error {
struct ipr_std_inq_vpids ioa_vpids;
u8 ioa_sn[IPR_SERIAL_NUM_LEN];
struct ipr_std_inq_vpids cfc_vpids;
u8 cfc_sn[IPR_SERIAL_NUM_LEN];
__be32 errors_detected;
__be32 errors_logged;
u8 ioa_data[12];
struct ipr_hostrcb_device_data_entry dev_entry[3];
u8 reserved[444];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_04_error {
struct ipr_std_inq_vpids ioa_vpids;
u8 ioa_sn[IPR_SERIAL_NUM_LEN];
struct ipr_std_inq_vpids cfc_vpids;
u8 cfc_sn[IPR_SERIAL_NUM_LEN];
u8 ioa_data[12];
struct ipr_hostrcb_array_data_entry array_member[10];
__be32 exposed_mode_adn;
__be32 array_id;
struct ipr_std_inq_vpids incomp_dev_vpids;
u8 incomp_dev_sn[IPR_SERIAL_NUM_LEN];
__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];
u8 reserved[124];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_error {
__be32 failing_dev_ioasc;
struct ipr_res_addr failing_dev_res_addr;
__be32 failing_dev_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;
} u;
}__attribute__((packed, aligned (4)));
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_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_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;
};
/* IPR smart dump table structures */
struct ipr_sdt_entry {
__be32 bar_str_offset;
__be32 end_offset;
u8 entry_byte;
u8 reserved[3];
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_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_resource_entry {
struct ipr_config_table_entry cfgte;
u8 needs_sync_complete:1;
u8 in_erp:1;
u8 add_to_ml:1;
u8 del_from_ml:1;
u8 resetting_device:1;
struct scsi_device *sdev;
struct list_head queue;
};
struct ipr_resource_hdr {
u16 num_entries;
u16 reserved;
};
struct ipr_resource_table {
struct ipr_resource_hdr hdr;
struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
};
struct ipr_misc_cbs {
struct ipr_ioa_vpd ioa_vpd;
struct ipr_inquiry_page3 page3_data;
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 sense_interrupt_mask_reg;
unsigned long clr_interrupt_reg;
unsigned long sense_interrupt_reg;
unsigned long ioarrin_reg;
unsigned long sense_uproc_interrupt_reg;
unsigned long set_uproc_interrupt_reg;
unsigned long clr_uproc_interrupt_reg;
};
struct ipr_interrupts {
void __iomem *set_interrupt_mask_reg;
void __iomem *clr_interrupt_mask_reg;
void __iomem *sense_interrupt_mask_reg;
void __iomem *clr_interrupt_reg;
void __iomem *sense_interrupt_reg;
void __iomem *ioarrin_reg;
void __iomem *sense_uproc_interrupt_reg;
void __iomem *set_uproc_interrupt_reg;
void __iomem *clr_uproc_interrupt_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;
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 type;
#define IPR_TRACE_START 0x00
#define IPR_TRACE_FINISH 0xff
u16 cmd_index;
__be32 res_handle;
union {
u32 ioasc;
u32 add_data;
u32 res_addr;
} u;
};
struct ipr_sglist {
u32 order;
u32 num_sg;
u32 buffer_len;
struct scatterlist scatterlist[1];
};
enum ipr_sdt_state {
INACTIVE,
WAIT_FOR_DUMP,
GET_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;
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"
struct ipr_config_table *cfg_table;
dma_addr_t cfg_table_dma;
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];
const struct ipr_chip_cfg_t *chip_cfg;
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;
struct Scsi_Host *host;
struct pci_dev *pdev;
struct ipr_sglist *ucode_sglist;
struct ipr_mode_pages *saved_mode_pages;
u8 saved_mode_page_len;
struct work_struct work_q;
wait_queue_head_t reset_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;
char ipr_cmd_label[8];
#define IPR_CMD_LABEL "ipr_cmnd"
struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
};
struct ipr_cmnd {
struct ipr_ioarcb ioarcb;
struct ipr_ioasa ioasa;
struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
struct list_head queue;
struct scsi_cmnd *scsi_cmd;
struct completion completion;
struct timer_list timer;
void (*done) (struct ipr_cmnd *);
int (*job_step) (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_handle;
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[BUS_ID_SIZE];
}__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[IPR_MAX_NUM_DUMP_PAGES];
u32 reserved;
u32 next_page_index;
u32 page_offset;
u32 format;
#define IPR_SDT_FMT2 2
#define IPR_SDT_UNKNOWN 3
}__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
*/
#if IPR_DEBUG
#define IPR_DBG_CMD(CMD) do { CMD; } while (0)
#else
#define IPR_DBG_CMD(CMD)
#endif
#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_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
#define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
#define ipr_sdev_printk(level, sdev, fmt, ...) \
printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, sdev->host->host_no, \
sdev->channel, sdev->id, sdev->lun, ##__VA_ARGS__)
#define ipr_sdev_err(sdev, fmt, ...) \
ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
#define ipr_sdev_info(sdev, fmt, ...) \
ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
#define ipr_sdev_dbg(sdev, fmt, ...) \
IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
#define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
res.bus, res.target, res.lun, ##__VA_ARGS__)
#define ipr_res_err(ioa_cfg, res, fmt, ...) \
ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
#define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
__FILE__, __FUNCTION__, __LINE__)
#if IPR_DBG_TRACE
#define ENTER printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__)
#define LEAVE printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__)
#else
#define ENTER
#define LEAVE
#endif
#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->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
}
/**
* 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)
{
if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
!ipr_is_ioa_resource(res) &&
IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
return 1;
else
return 0;
}
/**
* 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)
{
if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
!ipr_is_ioa_resource(res) &&
IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
return 1;
else
return 0;
}
/**
* 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)
{
if (!ipr_is_ioa_resource(res) &&
IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
return 1;
else
return 0;
}
/**
* ipr_is_device - Determine if resource address is that of a device
* @res_addr: resource address struct
*
* Return value:
* 1 if AF / 0 if not AF
**/
static inline int ipr_is_device(struct ipr_res_addr *res_addr)
{
if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
(res_addr->target < IPR_MAX_NUM_TARGETS_PER_BUS))
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;
}
#endif
