/* * ipr.h -- driver for IBM Power Linux RAID adapters * * Written By: Brian King , 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 - Removed several careless u32/dma_addr_t errors * that broke 64bit platforms. */ #ifndef _IPR_H #define _IPR_H #include #include #include #include #include #include /* * Literals */ #define IPR_DRIVER_VERSION "2.0.14" #define IPR_DRIVER_DATE "(May 2, 2005)" /* * 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_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 #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_vpd { struct ipr_std_inq_vpids vpids; u8 sn[IPR_SERIAL_NUM_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)); #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_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_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_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_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_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_07_error { u8 failure_reason[64]; struct ipr_vpd vpd; u32 data[222]; }__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; struct ipr_hostrcb_type_07_error type_07_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_7 0x07 #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_page0 page0_data; 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 num_dma_sg; u32 buffer_len; struct scatterlist scatterlist[1]; }; enum ipr_sdt_state { INACTIVE, WAIT_FOR_DUMP, GET_DUMP, ABORT_DUMP, DUMP_OBTAINED }; enum ipr_cache_state { CACHE_NONE, CACHE_DISABLED, CACHE_ENABLED, CACHE_INVALID }; /* 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; enum ipr_cache_state cache_state; 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 */ #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_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, args...) \ sdev_printk(level, sdev, fmt, ## 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_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_trace ipr_dbg("%s: %s: Line: %d\n",\ __FILE__, __FUNCTION__, __LINE__) #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__)) #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__)) #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