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- enum {
- SRP_LOGIN_REQ = 0x00,
- SRP_TSK_MGMT = 0x01,
- SRP_CMD = 0x02,
- SRP_I_LOGOUT = 0x03,
- SRP_LOGIN_RSP = 0xc0,
- SRP_RSP = 0xc1,
- SRP_LOGIN_REJ = 0xc2,
- SRP_T_LOGOUT = 0x80,
- SRP_CRED_REQ = 0x81,
- SRP_AER_REQ = 0x82,
- SRP_CRED_RSP = 0x41,
- SRP_AER_RSP = 0x42
- }
- enum {
- SRP_BUF_FORMAT_DIRECT = 1 << 1,
- SRP_BUF_FORMAT_INDIRECT = 1 << 2
- }
- enum {
- SRP_NO_DATA_DESC = 0,
- SRP_DATA_DESC_DIRECT = 1,
- SRP_DATA_DESC_INDIRECT = 2
- }
- enum {
- SRP_TSK_ABORT_TASK = 0x01,
- SRP_TSK_ABORT_TASK_SET = 0x02,
- SRP_TSK_CLEAR_TASK_SET = 0x04,
- SRP_TSK_LUN_RESET = 0x08,
- SRP_TSK_CLEAR_ACA = 0x40
- }
- enum srp_login_rej_reason {
- SRP_LOGIN_REJ_UNABLE_ESTABLISH_CHANNEL = 0x00010000,
- SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES = 0x00010001,
- SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE = 0x00010002,
- SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL = 0x00010003,
- SRP_LOGIN_REJ_UNSUPPORTED_DESCRIPTOR_FMT = 0x00010004,
- SRP_LOGIN_REJ_MULTI_CHANNEL_UNSUPPORTED = 0x00010005,
- SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED = 0x00010006
- }
- enum {
- SRP_REV10_IB_IO_CLASS = 0xff00,
- SRP_REV16A_IB_IO_CLASS = 0x0100
- }
- struct srp_direct_buf {
- __be64 va
- __be32 key
- __be32 len
- }
- struct srp_indirect_buf {
- struct srp_direct_buf table_desc
- __be32 len
- struct srp_direct_buf desc_list[0]
- } __attribute__((packed))
- enum {
- SRP_MULTICHAN_SINGLE = 0,
- SRP_MULTICHAN_MULTI = 1
- }
- struct srp_login_req {
- u8 opcode
- u8 reserved1[7]
- u64 tag
- __be32 req_it_iu_len
- u8 reserved2[4]
- __be16 req_buf_fmt
- u8 req_flags
- u8 reserved3[5]
- u8 initiator_port_id[16]
- u8 target_port_id[16]
- }
- struct srp_login_rsp {
- u8 opcode
- u8 reserved1[3]
- __be32 req_lim_delta
- u64 tag
- __be32 max_it_iu_len
- __be32 max_ti_iu_len
- __be16 buf_fmt;
- u8 rsp_flags
- u8 reserved2[25]
- } __attribute__((packed))
- struct srp_login_rej {
- u8 opcode
- u8 reserved1[3]
- __be32 reason
- u64 tag
- u8 reserved2[8]
- __be16 buf_fmt;
- u8 reserved3[6]
- }
- struct srp_i_logout {
- u8 opcode
- u8 reserved[7]
- u64 tag
- }
- struct srp_t_logout {
- u8 opcode
- u8 sol_not
- u8 reserved[2]
- __be32 reason
- u64 tag
- }
- struct srp_tsk_mgmt {
- u8 opcode
- u8 sol_not
- u8 reserved1[6]
- u64 tag
- u8 reserved2[4]
- struct scsi_lun lun
- u8 reserved3[2]
- u8 tsk_mgmt_func
- u8 reserved4
- u64 task_tag
- u8 reserved5[8]
- }
- struct srp_cmd {
- u8 opcode
- u8 sol_not
- u8 reserved1[3]
- u8 buf_fmt;
- u8 data_out_desc_cnt
- u8 data_in_desc_cnt
- u64 tag
- u8 reserved2[4]
- struct scsi_lun lun
- u8 reserved3
- u8 task_attr
- u8 reserved4
- u8 add_cdb_len;
- u8 cdb[16]
- u8 add_data[0];
- }
- enum {
- SRP_RSP_FLAG_RSPVALID = 1 << 0,
- SRP_RSP_FLAG_SNSVALID = 1 << 1,
- SRP_RSP_FLAG_DOOVER = 1 << 2,
- SRP_RSP_FLAG_DOUNDER = 1 << 3,
- SRP_RSP_FLAG_DIOVER = 1 << 4,
- SRP_RSP_FLAG_DIUNDER = 1 << 5
- }
- struct srp_rsp {
- u8 opcode
- u8 sol_not
- u8 reserved1[2]
- __be32 req_lim_delta
- u64 tag
- u8 reserved2[2]
- u8 flags
- u8 status
- __be32 data_out_res_cnt
- __be32 data_in_res_cnt
- __be32 sense_data_len
- __be32 resp_data_len
- u8 data[0]
- } __attribute__((packed))
- struct srp_cred_req {
- u8 opcode
- u8 sol_not
- u8 reserved[2]
- __be32 req_lim_delta
- u64 tag
- }
- struct srp_cred_rsp {
- u8 opcode
- u8 reserved[7]
- u64 tag
- }
- struct srp_aer_req {
- u8 opcode
- u8 sol_not
- u8 reserved[2]
- __be32 req_lim_delta
- u64 tag
- u32 reserved2
- struct scsi_lun lun
- __be32 sense_data_len
- u32 reserved3
- u8 sense_data[0]
- } __attribute__((packed))
- struct srp_aer_rsp {
- u8 opcode
- u8 reserved[7]
- u64 tag
- }
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