/* $OpenBSD: qlareg.h,v 1.4 2014/02/06 21:05:54 jmatthew Exp $ */ /* * Copyright (c) 2013, 2014 Jonathan Matthew * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* firmware loading */ #define QLA_2100_CODE_ORG 0x1000 #define QLA_2200_CODE_ORG 0x1000 #define QLA_2300_CODE_ORG 0x0800 /* firmware attributes */ #define QLA_FW_ATTR_EXPANDED_LUN 0x0002 #define QLA_FW_ATTR_FABRIC 0x0004 #define QLA_FW_ATTR_2K_LOGINS 0x0100 /* interrupt types */ #define QLA_INT_TYPE_MBOX 1 #define QLA_INT_TYPE_ASYNC 2 #define QLA_INT_TYPE_IO 3 #define QLA_INT_TYPE_OTHER 4 /* 23xx interrupt status codes */ #define QLA_23XX_INT_ROM_MBOX 0x01 #define QLA_23XX_INT_ROM_MBOX_FAIL 0x02 #define QLA_23XX_INT_MBOX 0x10 #define QLA_23XX_INT_MBOX_FAIL 0x11 #define QLA_23XX_INT_ASYNC 0x12 #define QLA_23XX_INT_RSPQ 0x13 #define QLA_23XX_INT_FP16 0x15 #define QLA_23XX_INT_FP_SCSI 0x16 #define QLA_23XX_INT_FP_CTIO 0x17 /* ISP registers */ #define QLA_FLASH_BIOS_ADDR 0x00 #define QLA_FLASH_BIOS_DATA 0x02 #define QLA_CTRL_STATUS 0x06 #define QLA_INT_CTRL 0x08 #define QLA_INT_STATUS 0x0A #define QLA_SEMA 0x0C #define QLA_NVRAM 0x0E #define QLA_REQ_IN 0x10 #define QLA_REQ_OUT 0x12 #define QLA_RESP_IN 0x14 #define QLA_RESP_OUT 0x16 #define QLA_RISC_STATUS_LOW 0x18 #define QLA_RISC_STATUS_HIGH 0x1A #define QLA_HOST_CMD_CTRL 0xC0 #define QLA_GPIO_DATA 0xCC #define QLA_GPIO_ENABLE 0xCE #define QLA_FPM_DIAG 0x96 /* mailbox base moves around between generations */ #define QLA_MBOX_BASE_23XX 0x40 #define QLA_MBOX_BASE_2100 0x10 #define QLA_MBOX_BASE_2200 0x10 /* QLA_CTRL_STATUS */ #define QLA_CTRL_RESET 0x0001 #define QLA_CTRL_RISC_REGS 0x0000 #define QLA_CTRL_FB_REGS 0x0010 #define QLA_CTRL_FPM0_REGS 0x0020 #define QLA_CTRL_FPM1_REGS 0x0030 /* QLA_INT_STATUS */ #define QLA_INT_REQ 0x8000 #define QLA_RISC_INT_REQ 0x0008 /* QLA_SEMA */ #define QLA_SEMA_STATUS 0x0002 #define QLA_SEMA_LOCK 0x0001 /* QLA_NVRAM */ #define QLA_NVRAM_DATA_IN 0x0008 #define QLA_NVRAM_DATA_OUT 0x0004 #define QLA_NVRAM_CHIP_SEL 0x0002 #define QLA_NVRAM_CLOCK 0x0001 #define QLA_NVRAM_CMD_READ 6 /* QLA_RISC_STATUS LOW/HIGH */ #define QLA_INT_INFO_SHIFT 16 #define QLA_RISC_HOST_INT_REQ 0x8000 #define QLA_RISC_PAUSED 0x0100 #define QLA_INT_STATUS_MASK 0x00FF /* QLA_HOST_CMD_CTRL write */ #define QLA_HOST_CMD_SHIFT 12 #define QLA_HOST_CMD_NOP 0x0 #define QLA_HOST_CMD_RESET 0x1 #define QLA_HOST_CMD_PAUSE 0x2 #define QLA_HOST_CMD_RELEASE 0x3 #define QLA_HOST_CMD_MASK_PARITY 0x4 #define QLA_HOST_CMD_SET_HOST_INT 0x5 #define QLA_HOST_CMD_CLR_HOST_INT 0x6 #define QLA_HOST_CMD_CLR_RISC_INT 0x7 #define QLA_HOST_CMD_ENABLE_PARITY 0xA #define QLA_HOST_CMD_PARITY_ERROR 0xE /* QLA_HOST_CMD_CTRL read */ #define QLA_HOST_STATUS_HOST_INT 0x0080 #define QLA_HOST_STATUS_RISC_RESET 0x0040 #define QLA_HOST_STATUS_RISC_PAUSE 0x0020 #define QLA_HOST_STATUS_RISC_EXT 0x0010 /* QLA_FPM_DIAG */ #define QLA_FPM_RESET 0x0100 /* QLA_MBOX_BASE (reg 0) read */ #define QLA_MBOX_HAS_STATUS 0x4000 #define QLA_MBOX_COMPLETE 0x4000 #define QLA_MBOX_INVALID 0x4001 #define QLA_MBOX_INTF_ERROR 0x4002 #define QLA_MBOX_TEST_FAILED 0x4003 #define QLA_MBOX_CMD_ERROR 0x4005 #define QLA_MBOX_CMD_PARAM 0x4006 #define QLA_MBOX_PORT_USED 0x4007 #define QLA_MBOX_LOOP_USED 0x4008 #define QLA_MBOX_ALL_IDS_USED 0x4009 #define QLA_MBOX_NOT_LOGGED_IN 0x400A #define QLA_MBOX_LINK_DOWN 0x400B #define QLA_ASYNC_SYSTEM_ERROR 0x8002 #define QLA_ASYNC_REQ_XFER_ERROR 0x8003 #define QLA_ASYNC_RSP_XFER_ERROR 0x8004 #define QLA_ASYNC_LIP_OCCURRED 0x8010 #define QLA_ASYNC_LOOP_UP 0x8011 #define QLA_ASYNC_LOOP_DOWN 0x8012 #define QLA_ASYNC_LIP_RESET 0x8013 #define QLA_ASYNC_PORT_DB_CHANGE 0x8014 #define QLA_ASYNC_CHANGE_NOTIFY 0x8015 #define QLA_ASYNC_LIP_F8 0x8016 #define QLA_ASYNC_LOOP_INIT_ERROR 0x8017 #define QLA_ASYNC_LOGIN_REJECT 0x8018 #define QLA_ASYNC_SCSI_CMD_COMPLETE 0x8020 #define QLA_ASYNC_CTIO_COMPLETE 0x8021 #define QLA_ASYNC_POINT_TO_POINT 0x8030 #define QLA_ASYNC_ZIO_RESP_UPDATE 0x8040 #define QLA_ASYNC_RND_ERROR 0x8048 #define QLA_ASYNC_QUEUE_FULL 0x8049 /* QLA_MBOX_BASE (reg 0) write */ #define QLA_MBOX_NOP 0x0000 #define QLA_MBOX_LOAD_RAM 0x0001 #define QLA_MBOX_EXEC_FIRMWARE 0x0002 #define QLA_MBOX_WRITE_RAM_WORD 0x0004 #define QLA_MBOX_REGISTER_TEST 0x0006 #define QLA_MBOX_VERIFY_CSUM 0x0007 #define QLA_MBOX_ABOUT_FIRMWARE 0x0008 #define QLA_MBOX_LOAD_RAM_EXT 0x000B #define QLA_MBOX_CSUM_FIRMWARE 0x000E #define QLA_MBOX_INIT_REQ_QUEUE 0x0010 #define QLA_MBOX_INIT_RSP_QUEUE 0x0011 #define QLA_MBOX_STOP_FIRMWARE 0x0014 #define QLA_MBOX_ABORT_IOCB 0x0015 #define QLA_MBOX_ABORT_DEVICE 0x0016 #define QLA_MBOX_ABORT_TARGET 0x0017 #define QLA_MBOX_RESET 0x0018 #define QLA_MBOX_ABORT_QUEUE 0x001C #define QLA_MBOX_GET_QUEUE_STATUS 0x001D #define QLA_MBOX_GET_FIRMWARE_STATUS 0x001F #define QLA_MBOX_GET_LOOP_ID 0x0020 #define QLA_MBOX_SET_FIRMWARE_OPTIONS 0x0038 #define QLA_MBOX_ENH_GET_PORT_DB 0x0047 #define QLA_MBOX_PLOGO 0x0056 #define QLA_MBOX_INIT_FIRMWARE 0x0060 #define QLA_MBOX_GET_INIT_CB 0x0061 #define QLA_MBOX_LIP 0x0062 #define QLA_MBOX_GET_FC_AL_POS 0x0063 #define QLA_MBOX_GET_PORT_DB 0x0064 #define QLA_MBOX_TARGET_RESET 0x0066 #define QLA_MBOX_GET_FIRMWARE_STATE 0x0069 #define QLA_MBOX_GET_PORT_NAME 0x006A #define QLA_MBOX_GET_LINK_STATUS 0x006B #define QLA_MBOX_LIP_RESET 0x006C #define QLA_MBOX_SEND_SNS 0x006E #define QLA_MBOX_FABRIC_PLOGI 0x006F #define QLA_MBOX_SEND_CHANGE_REQ 0x0070 #define QLA_MBOX_FABRIC_PLOGO 0x0071 #define QLA_MBOX_LOOP_PLOGI 0x0074 #define QLA_MBOX_GET_PORT_NAME_LIST 0x0075 #define QLA_MBOX_LUN_RESET 0x007E /* mailbox operation register bitfields */ #define QLA_MBOX_ABOUT_FIRMWARE_IN 0x0001 #define QLA_MBOX_ABOUT_FIRMWARE_OUT 0x004f #define QLA_MBOX_INIT_FIRMWARE_IN 0x00fd #define QLA_MBOX_SET_FIRMWARE_OPTIONS_IN 0x000f #define QLA_MBOX_GET_LOOP_ID_OUT 0x00cf #define QLA_MBOX_COUNT 32 /* nvram layout */ struct qla_nvram { u_int8_t id[4]; u_int8_t nvram_version; u_int8_t reserved_0; u_int8_t parameter_block_version; u_int8_t reserved_1; u_int16_t fw_options; u_int16_t frame_payload_size; u_int16_t max_iocb_allocation; u_int16_t execution_throttle; u_int8_t retry_count; u_int8_t retry_delay; u_int64_t port_name; u_int16_t hard_address; u_int8_t inquiry_data; u_int8_t login_timeout; u_int64_t node_name; u_int16_t add_fw_options; u_int8_t response_accumulation_timer; u_int8_t interrupt_delay_timer; u_int16_t special_options; u_int8_t reserved_2[22]; u_int8_t seriallink_options[4]; u_int8_t host_p[2]; u_int64_t boot_node_name; u_int8_t boot_lun_number; u_int8_t reset_delay; u_int8_t port_down_retry_count; u_int8_t boot_id_number; u_int16_t max_luns_per_target; u_int64_t fcode_boot_port_name; u_int64_t alternate_port_name; u_int64_t alternate_node_name; u_int8_t efi_parameters; u_int8_t link_down_timeout; u_int8_t adapter_id[16]; u_int64_t alt1_boot_node_name; u_int16_t alt1_boot_lun_number; u_int64_t alt2_boot_node_name; u_int16_t alt2_boot_lun_number; u_int64_t alt3_boot_node_name; u_int16_t alt3_boot_lun_number; u_int64_t alt4_boot_node_name; u_int16_t alt4_boot_lun_number; u_int64_t alt5_boot_node_name; u_int16_t alt5_boot_lun_number; u_int64_t alt6_boot_node_name; u_int16_t alt6_boot_lun_number; u_int64_t alt7_boot_node_name; u_int16_t alt7_boot_lun_number; u_int8_t reserved_3[2]; u_int8_t model_number[16]; u_int8_t oem_specific[16]; u_int8_t adapter_features[2]; u_int8_t reserved_4[16]; u_int16_t subsystem_vendor_id_2200; u_int16_t subsystem_device_id_2200; u_int8_t reserved_5; u_int8_t checksum; } __packed; /* init firmware control block */ #define QLA_ICB_VERSION 1 #define QLA_ICB_FW_HARD_ADDR 0x0001 #define QLA_ICB_FW_FAIRNESS 0x0002 #define QLA_ICB_FW_FULL_DUPLEX 0x0004 #define QLA_ICB_FW_FAST_POST 0x0008 #define QLA_ICB_FW_TARGET_MODE 0x0010 #define QLA_ICB_FW_DISABLE_INITIATOR 0x0020 #define QLA_ICB_FW_ENABLE_ADISC 0x0040 #define QLA_ICB_FW_ENABLE_TGT_DEV 0x0080 #define QLA_ICB_FW_ENABLE_PDB_CHANGED 0x0100 #define QLA_ICB_FW_DISABLE_INIT_LIP 0x0200 #define QLA_ICB_FW_DESC_LOOP_ID 0x0400 #define QLA_ICB_FW_PREV_LOOP_ID 0x0800 #define QLA_ICB_FW_RESERVED 0x1000 #define QLA_ICB_FW_LOGIN_AFTER_LIP 0x2000 #define QLA_ICB_FW_NAME_OPTION 0x4000 #define QLA_ICB_FW_EXTENDED_INIT_CB 0x8000 #define QLA_ICB_XFW_ZIO_DISABLED 0x0000 #define QLA_ICB_XFW_ZIO_MODE_5 0x0005 #define QLA_ICB_XFW_ZIO_MODE_6 0x0006 #define QLA_ICB_XFW_LOOP_PTP 0x0020 #define QLA_ICB_XFW_PTP_ONLY 0x0010 #define QLA_ICB_XFW_LOOP_ONLY 0x0000 #define QLA_ICB_XFW_HARD_ADDR_ONLY 0x0080 #define QLA_ICB_XFW_ENABLE_CLASS_2 0x0100 #define QLA_ICB_XFW_ENABLE_ACK0 0x0200 #define QLA_ICB_XFW_ENABLE_FC_TAPE 0x1000 #define QLA_ICB_XFW_ENABLE_FC_CONFIRM 0x2000 #define QLA_ICB_XFW_ENABLE_TGT_QUEUE 0x4000 #define QLA_ICB_XFW_NO_IMPLICIT_LOGOUT 0x8000 #define QLA_ICB_ZFW_ENABLE_XFR_RDY 0x0001 #define QLA_ICB_ZFW_SOFT_ID_ONLY 0x0002 #define QLA_ICB_ZFW_FCP_RSP_12_0 0x0010 #define QLA_ICB_ZFW_FCP_RSP_24_0 0x0020 #define QLA_ICB_ZFW_FCP_RSP_32_BYTES 0x0030 #define QLA_ICB_ZFW_ENABLE_OOO 0x0040 #define QLA_ICB_ZFW_NO_AUTO_PLOGI 0x0080 #define QLA_ICB_ZFW_50_OHMS 0x2000 #define QLA_ICB_ZFW_1GBPS 0x0000 #define QLA_ICB_ZFW_2GBPS 0x4000 #define QLA_ICB_ZFW_AUTONEG 0x8000 struct qla_init_cb { u_int8_t icb_version; u_int8_t icb_reserved; u_int16_t icb_fw_options; u_int16_t icb_max_frame_len; u_int16_t icb_max_alloc; u_int16_t icb_exec_throttle; u_int8_t icb_retry_count; u_int8_t icb_retry_delay; u_int64_t icb_portname; u_int16_t icb_hardaddr; u_int8_t icb_inquiry_data; u_int8_t icb_login_timeout; u_int64_t icb_nodename; u_int16_t icb_req_out; u_int16_t icb_resp_in; u_int16_t icb_req_queue_len; u_int16_t icb_resp_queue_len; u_int64_t icb_req_queue_addr; u_int64_t icb_resp_queue_addr; u_int16_t icb_lun_enables; u_int8_t icb_cmd_count; u_int8_t icb_notify_count; u_int16_t icb_lun_timeout; u_int16_t icb_reserved2; u_int16_t icb_xfwoptions; u_int8_t icb_reserved3; u_int8_t icb_int_delaytimer; u_int16_t icb_zfwoptions; u_int16_t icb_reserved4[13]; } __packed; #define QLA_FW_OPTION1_ASYNC_LIP_F8 0x0001 #define QLA_FW_OPTION1_ASYNC_LIP_RESET 0x0002 #define QLA_FW_OPTION1_SYNC_LOSS_LIP 0x0010 #define QLA_FW_OPTION1_ASYNC_LIP_ERROR 0x0080 #define QLA_FW_OPTION1_ASYNC_LOGIN_RJT 0x0800 #define QLA_FW_OPTION3_EMERG_IOCB 0x0001 #define QLA_FW_OPTION3_ASYNC_RND_ERROR 0x0002 /* topology types returned from QLA_MBOX_GET_LOOP_ID */ #define QLA_TOPO_NL_PORT 0 #define QLA_TOPO_FL_PORT 1 #define QLA_TOPO_N_PORT 2 #define QLA_TOPO_F_PORT 3 #define QLA_TOPO_N_PORT_NO_TARGET 4 struct qla_get_port_db { u_int8_t options; u_int8_t control; u_int8_t master_state; u_int8_t slave_state; u_int32_t adisc_hard_addr; u_int16_t port_id[2]; u_int64_t node_name; u_int64_t port_name; u_int16_t exec_throttle; u_int16_t exec_count; u_int8_t retry_count; u_int8_t reserved; u_int16_t resource_alloc; u_int16_t current_alloc; u_int16_t queue_head; u_int16_t queue_tail; u_int16_t xmit_exec_list_next; u_int16_t xmit_exec_list_prev; u_int16_t common_features; u_int16_t total_concurrent_seq; u_int16_t rel_offset; u_int16_t recip_control_flags; u_int16_t recv_data_size; u_int16_t concurrent_seq; u_int16_t open_seq; u_int8_t reserved2[8]; u_int16_t retry_timer; u_int16_t next_seq_id; u_int16_t frame_count; u_int16_t prli_payload_len; u_int16_t prli_svc_word0; u_int16_t prli_svc_word3; u_int16_t loop_id; u_int16_t ext_lun_list_ptr; u_int16_t ext_lun_stop_ptr; } __packed; #define QLA_SVC3_TARGET_ROLE 0x0010 /* fabric name server commands */ #define QLA_SNS_GA_NXT 0x0100 #define QLA_SNS_GID_FT 0x0171 #define QLA_SNS_RFT_ID 0x0217 #define QLA_FC4_SCSI 8 #define QLA_LS_REJECT 0x8001 #define QLA_LS_ACCEPT 0x8002 struct qla_sns_req_hdr { u_int16_t resp_len; u_int16_t reserved; u_int64_t resp_addr; u_int16_t subcmd_len; u_int16_t reserved2; } __packed; struct qla_sns_ga_nxt { struct qla_sns_req_hdr header; u_int16_t subcmd; u_int16_t max_word; u_int32_t reserved3; u_int32_t port_id; } __packed; struct qla_sns_ga_nxt_resp { struct qla_sns_req_hdr header; u_int32_t port_type_id; u_int64_t port_name; u_int8_t sym_port_name_len; u_int8_t sym_port_name[255]; u_int64_t node_name; u_int8_t sym_node_name_len; u_int8_t sym_node_name[255]; u_int64_t initial_assoc; u_int8_t ip_addr[16]; u_int32_t cos; u_int32_t fc4_types[8]; } __packed; struct qla_sns_rft_id { struct qla_sns_req_hdr header; u_int16_t subcmd; u_int16_t max_word; u_int32_t reserved3; u_int32_t port_id; u_int32_t fc4_types[8]; } __packed; struct qla_sns_gid_ft { struct qla_sns_req_hdr header; u_int16_t subcmd; u_int16_t max_word; u_int32_t reserved3; u_int32_t fc4_proto; } __packed; /* available handle ranges */ #define QLA_2KL_MIN_HANDLE 0x81 #define QLA_2KL_MAX_HANDLE 0x7EF #define QLA_MIN_HANDLE 0x81 #define QLA_MAX_HANDLE 0xFE #define QLA_F_PORT_HANDLE 0x7E #define QLA_FABRIC_CTRL_HANDLE 0x7F #define QLA_SNS_HANDLE 0x80 /* where does this go with 2klogin firmware? */ #define QLA_IP_BCAST_HANDLE 0xFF /* IOCB types */ /*#define QLA_IOCB_CONT_TYPE_1 0x02 */ #define QLA_IOCB_STATUS 0x03 #define QLA_IOCB_MARKER 0x04 #define QLA_IOCB_STATUS_CONT 0x10 #define QLA_IOCB_CMD_TYPE_4 0x15 #define QLA_IOCB_CMD_TYPE_3 0x19 #define QLA_IOCB_MAILBOX 0x39 #define QLA_REQ_FLAG_CONT 0x01 #define QLA_REQ_FLAG_FULL 0x02 #define QLA_REQ_FLAG_BAD_HDR 0x04 #define QLA_REQ_FLAG_BAD_PKT 0x08 #define QLA_RESP_FLAG_INVALID_COUNT 0x10 #define QLA_RESP_FLAG_INVALID_ORDER 0x20 #define QLA_RESP_FLAG_DMA_ERR 0x40 #define QLA_RESP_FLAG_RESERVED 0x80 #define QLA_IOCB_CMD_HEAD_OF_QUEUE 0x0002 #define QLA_IOCB_CMD_ORDERED_QUEUE 0x0004 #define QLA_IOCB_CMD_SIMPLE_QUEUE 0x0008 #define QLA_IOCB_CMD_NO_DATA 0x0000 #define QLA_IOCB_CMD_READ_DATA 0x0020 #define QLA_IOCB_CMD_WRITE_DATA 0x0040 #define QLA_IOCB_CMD_NO_FAST_POST 0x0080 #define QLA_IOCB_SEGS_PER_CMD 2 #define QLA_IOCB_SEGS_PER_CMD_CONT 5 #define QLA_IOCB_MARKER_SYNC_ALL 2 struct qla_iocb_seg { u_int64_t seg_addr; u_int32_t seg_len; } __packed; #if 0 struct qla_iocb_cont1 { u_int8_t entry_type; /* QLA_IOCB_CONT_TYPE_1 */ u_int8_t entry_count; u_int8_t seqno; u_int8_t flags; struct qla_iocb_seg segs[5]; } __packed; #endif struct qla_iocb_status { u_int8_t entry_type; /* QLA_IOCB_STATUS */ u_int8_t entry_count; u_int8_t seqno; u_int8_t flags; u_int32_t handle; u_int16_t scsi_status; u_int16_t completion; u_int16_t state_flags; u_int16_t status_flags; u_int16_t rsp_len; u_int16_t sense_len; u_int32_t resid; u_int8_t fcp_rsp[8]; u_int8_t sense_data[32]; } __packed; /* completion */ #define QLA_IOCB_STATUS_COMPLETE 0x0000 #define QLA_IOCB_STATUS_DMA_ERROR 0x0002 #define QLA_IOCB_STATUS_RESET 0x0004 #define QLA_IOCB_STATUS_ABORTED 0x0005 #define QLA_IOCB_STATUS_TIMEOUT 0x0006 #define QLA_IOCB_STATUS_DATA_OVERRUN 0x0007 #define QLA_IOCB_STATUS_DATA_UNDERRUN 0x0015 #define QLA_IOCB_STATUS_QUEUE_FULL 0x001C #define QLA_IOCB_STATUS_PORT_UNAVAIL 0x0028 #define QLA_IOCB_STATUS_PORT_LOGGED_OUT 0x0029 #define QLA_IOCB_STATUS_PORT_CHANGED 0x002A #define QLA_IOCB_STATUS_PORT_BUSY 0x002B #define QLA_SCSI_STATUS_FCP_LEN_VALID 0x0100 #define QLA_SCSI_STATUS_SENSE_VALID 0x0200 #define QLA_SCSI_STATUS_RESID_OVER 0x0400 #define QLA_SCSI_STATUS_RESID_UNDER 0x0800 struct qla_iocb_marker { u_int8_t entry_type; /* QLA_IOCB_MARKER */ u_int8_t entry_count; u_int8_t seqno; u_int8_t flags; u_int32_t handle; u_int8_t reserved; u_int8_t target; u_int8_t modifier; u_int8_t vp_index; u_int16_t marker_flags; u_int16_t lun; u_int8_t reserved2[48]; } __packed; struct qla_iocb_status_cont { u_int8_t entry_type; /* QLA_IOCB_STATUS_CONT */ u_int8_t entry_count; u_int8_t seqno; u_int8_t flags; u_int8_t sense[44]; } __packed; struct qla_iocb_req34 { u_int8_t entry_type; /* QLA_IOCB_CMD_TYPE_3 or 4 */ u_int8_t entry_count; u_int8_t seqno; u_int8_t flags; u_int32_t req_handle; u_int16_t req_target; u_int16_t req_scclun; u_int16_t req_flags; u_int16_t req_reserved; u_int16_t req_time; u_int16_t req_seg_count; u_int8_t req_cdb[16]; u_int32_t req_totalcnt; union { struct qla_iocb_seg req3_segs[2]; struct { u_int16_t req4_seg_type; u_int32_t req4_seg_base; u_int64_t req4_seg_addr; u_int8_t req4_reserved[10]; } __packed req4; } req_type; } __packed;