diff options
Diffstat (limited to 'drivers/scsi/ipr.h')
| -rw-r--r-- | drivers/scsi/ipr.h | 1993 |
1 files changed, 1993 insertions, 0 deletions
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h new file mode 100644 index 000000000..69444d21f --- /dev/null +++ b/drivers/scsi/ipr.h @@ -0,0 +1,1993 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * 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 + * + * 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/irq_poll.h> +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> + +/* + * Literals + */ +#define IPR_DRIVER_VERSION "2.6.4" +#define IPR_DRIVER_DATE "(March 14, 2017)" + +/* + * 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 PCI_DEVICE_ID_IBM_RATTLESNAKE 0x04DA + +#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_57DA 0x04CA +#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_SUBS_DEV_ID_2CCA 0x04C7 +#define IPR_SUBS_DEV_ID_2CD2 0x04C8 +#define IPR_SUBS_DEV_ID_2CCD 0x04C9 +#define IPR_SUBS_DEV_ID_580A 0x04FC +#define IPR_SUBS_DEV_ID_580B 0x04FB +#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_HW_CMD_FAILED 0x046E0000 +#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_IOASC_IR_NON_OPTIMIZED 0x05258200 + +#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_HCAM_QUEUE 12 +#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS) +#define IPR_MAX_HCAMS (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE) + +#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_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_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_CANCEL_REQUEST 0xC0 +#define IPR_CANCEL_64BIT_IOARCB 0x01 +#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 +#define IPR_IOA_SERVICE_ACTION 0xD2 + +/* IOA Service Actions */ +#define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14 + +/* + * 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_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_ERROR_RECOVERY_TIMEOUT (120 * 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 30 +#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_MAILBOX_STABLE (0x80000000 >> 4) +#define IPR_WAIT_FOR_MAILBOX (2 * HZ) + +#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 (80 * 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 0x10 +#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 +#define IPR_RES_PATH_BYTES 8 + __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[]; +}__attribute__((packed, aligned (4))); + +struct ipr_config_table64 { + struct ipr_config_table_hdr64 hdr64; + struct ipr_config_table_entry64 dev[]; +}__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 irq_poll 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 +#define IPR_RQTYPE_PIPE 0x05 + + 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[]; +}__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_inquiry_pageC4 { + u8 peri_qual_dev_type; + u8 page_code; + u8 reserved1; + u8 len; + u8 cache_cap[4]; +#define IPR_CAP_SYNC_CACHE 0x08 + u8 reserved2[20]; +} __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_21_error { + __be32 wwn[4]; + u8 res_path[8]; + u8 primary_problem_desc[32]; + u8 second_problem_desc[32]; + __be32 sense_data[8]; + __be32 cdb[4]; + __be32 residual_trans_length; + __be32 length_of_error; + __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; + __be32 data[222]; +}__attribute__((packed, aligned (4))); + +struct ipr_hostrcb_type_17_error { + u8 failure_reason[64]; + struct ipr_ext_vpd vpd; + __be32 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_type_41_error { + u8 failure_reason[64]; + __be32 data[200]; +}__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_21_error type_21_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; + struct ipr_hostrcb_type_41_error type_41_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_21 0x21 +#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_41 0x41 +#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; + u8 reset_occurred:1; + u8 raw_mode: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_MAX_SIS64_BUSES 0x4 + +#define IPR_GET_RES_PHYS_LOC(res) \ + (((res)->bus << 24) | ((res)->target << 8) | (res)->lun) + + u8 ata_class; + u8 type; + + u16 flags; + u16 res_flags; + + u8 qmodel; + struct ipr_std_inq_data std_inq_data; + + __be32 res_handle; + __be64 dev_id; + u64 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_inquiry_pageC4 pageC4_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 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; + bool has_msi; + 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, + IPR_SHUTDOWN_QUIESCE = 0x101, +}; + +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; +}; + +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 scan_enabled:1; + u8 scan_done: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 probe_done:1; + u8 scsi_unblock:1; + u8 scsi_blocked: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_DEBUG_LOG_LEVEL 3 + +#define IPR_NUM_TRACE_INDEX_BITS 8 +#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS) +#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1) +#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_MAX_HCAMS]; + dma_addr_t hostrcb_dma[IPR_MAX_HCAMS]; + struct list_head hostrcb_free_q; + struct list_head hostrcb_pending_q; + struct list_head hostrcb_report_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; + struct work_struct scsi_add_work_q; + struct workqueue_struct *reset_work_q; + + wait_queue_head_t reset_wait_q; + wait_queue_head_t msi_wait_q; + wait_queue_head_t eeh_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 dma_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; + + unsigned int nvectors; + + struct { + 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; + struct work_struct work; + 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 completion *eh_comp; + 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, aligned (4))); + +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, aligned (4))); + +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 */ |