| /* QLogic qed NIC Driver |
| * Copyright (c) 2015-2017 QLogic Corporation |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and /or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef __ISCSI_COMMON__ |
| #define __ISCSI_COMMON__ |
| |
| /**********************/ |
| /* ISCSI FW CONSTANTS */ |
| /**********************/ |
| |
| /* iSCSI HSI constants */ |
| #define ISCSI_DEFAULT_MTU (1500) |
| |
| /* KWQ (kernel work queue) layer codes */ |
| #define ISCSI_SLOW_PATH_LAYER_CODE (6) |
| |
| /* iSCSI parameter defaults */ |
| #define ISCSI_DEFAULT_HEADER_DIGEST (0) |
| #define ISCSI_DEFAULT_DATA_DIGEST (0) |
| #define ISCSI_DEFAULT_INITIAL_R2T (1) |
| #define ISCSI_DEFAULT_IMMEDIATE_DATA (1) |
| #define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000) |
| #define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000) |
| #define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000) |
| #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) |
| |
| /* iSCSI parameter limits */ |
| #define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200) |
| #define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff) |
| #define ISCSI_MIN_VAL_BURST_LENGTH (0x200) |
| #define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff) |
| #define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1) |
| #define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff) |
| |
| #define ISCSI_AHS_CNTL_SIZE 4 |
| |
| #define ISCSI_WQE_NUM_SGES_SLOWIO (0xf) |
| |
| /* iSCSI reserved params */ |
| #define ISCSI_ITT_ALL_ONES (0xffffffff) |
| #define ISCSI_TTT_ALL_ONES (0xffffffff) |
| |
| #define ISCSI_OPTION_1_OFF_CHIP_TCP 1 |
| #define ISCSI_OPTION_2_ON_CHIP_TCP 2 |
| |
| #define ISCSI_INITIATOR_MODE 0 |
| #define ISCSI_TARGET_MODE 1 |
| |
| /* iSCSI request op codes */ |
| #define ISCSI_OPCODE_NOP_OUT (0) |
| #define ISCSI_OPCODE_SCSI_CMD (1) |
| #define ISCSI_OPCODE_TMF_REQUEST (2) |
| #define ISCSI_OPCODE_LOGIN_REQUEST (3) |
| #define ISCSI_OPCODE_TEXT_REQUEST (4) |
| #define ISCSI_OPCODE_DATA_OUT (5) |
| #define ISCSI_OPCODE_LOGOUT_REQUEST (6) |
| |
| /* iSCSI response/messages op codes */ |
| #define ISCSI_OPCODE_NOP_IN (0x20) |
| #define ISCSI_OPCODE_SCSI_RESPONSE (0x21) |
| #define ISCSI_OPCODE_TMF_RESPONSE (0x22) |
| #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) |
| #define ISCSI_OPCODE_TEXT_RESPONSE (0x24) |
| #define ISCSI_OPCODE_DATA_IN (0x25) |
| #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) |
| #define ISCSI_OPCODE_R2T (0x31) |
| #define ISCSI_OPCODE_ASYNC_MSG (0x32) |
| #define ISCSI_OPCODE_REJECT (0x3f) |
| |
| /* iSCSI stages */ |
| #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) |
| #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) |
| #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) |
| |
| /* iSCSI CQE errors */ |
| #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) |
| #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) |
| #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) |
| |
| /* Union of data bd_opaque/ tq_tid */ |
| union bd_opaque_tq_union { |
| __le16 bd_opaque; |
| __le16 tq_tid; |
| }; |
| |
| /* ISCSI SGL entry */ |
| struct cqe_error_bitmap { |
| u8 cqe_error_status_bits; |
| #define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 |
| #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 |
| #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 |
| #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 |
| #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 |
| #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 |
| #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 |
| #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 |
| #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 |
| #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 |
| #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 |
| #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 |
| }; |
| |
| union cqe_error_status { |
| u8 error_status; |
| struct cqe_error_bitmap error_bits; |
| }; |
| |
| /* iSCSI Login Response PDU header */ |
| struct data_hdr { |
| __le32 data[12]; |
| }; |
| |
| struct lun_mapper_addr_reserved { |
| struct regpair lun_mapper_addr; |
| u8 reserved0[8]; |
| }; |
| |
| /* rdif conetxt for dif on immediate */ |
| struct dif_on_immediate_params { |
| __le32 initial_ref_tag; |
| __le16 application_tag; |
| __le16 application_tag_mask; |
| __le16 flags1; |
| #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_SHIFT 0 |
| #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_SHIFT 1 |
| #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_SHIFT 2 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_SHIFT 3 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_SHIFT 4 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_SHIFT 5 |
| #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_SHIFT 6 |
| #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_SHIFT 7 |
| #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_MASK 0x3 |
| #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_SHIFT 8 |
| #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_MASK 0xF |
| #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_SHIFT 10 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_SHIFT 14 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_SHIFT 15 |
| u8 flags0; |
| #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_SHIFT 0 |
| #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_SHIFT 1 |
| #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_SHIFT 2 |
| #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_SHIFT 3 |
| #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_MASK 0x3 |
| #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_SHIFT 4 |
| #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_SHIFT 6 |
| #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_MASK 0x1 |
| #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_SHIFT 7 |
| u8 reserved_zero[5]; |
| }; |
| |
| /* iSCSI dif on immediate mode attributes union */ |
| union dif_configuration_params { |
| struct lun_mapper_addr_reserved lun_mapper_address; |
| struct dif_on_immediate_params def_dif_conf; |
| }; |
| |
| /* Union of data/r2t sequence number */ |
| union iscsi_seq_num { |
| __le16 data_sn; |
| __le16 r2t_sn; |
| }; |
| |
| /* iSCSI DIF flags */ |
| struct iscsi_dif_flags { |
| u8 flags; |
| #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF |
| #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 |
| #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 |
| #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 |
| #define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7 |
| #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 |
| }; |
| |
| /* The iscsi storm task context of Ystorm */ |
| struct ystorm_iscsi_task_state { |
| struct scsi_cached_sges data_desc; |
| struct scsi_sgl_params sgl_params; |
| __le32 exp_r2t_sn; |
| __le32 buffer_offset; |
| union iscsi_seq_num seq_num; |
| struct iscsi_dif_flags dif_flags; |
| u8 flags; |
| #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1 |
| #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0 |
| #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1 |
| #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1 |
| #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_MASK 0x1 |
| #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_SHIFT 2 |
| #define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x1F |
| #define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 3 |
| }; |
| |
| /* The iscsi storm task context of Ystorm */ |
| struct ystorm_iscsi_task_rxmit_opt { |
| __le32 fast_rxmit_sge_offset; |
| __le32 scan_start_buffer_offset; |
| __le32 fast_rxmit_buffer_offset; |
| u8 scan_start_sgl_index; |
| u8 fast_rxmit_sgl_index; |
| __le16 reserved; |
| }; |
| |
| /* iSCSI Common PDU header */ |
| struct iscsi_common_hdr { |
| u8 hdr_status; |
| u8 hdr_response; |
| u8 hdr_flags; |
| u8 hdr_first_byte; |
| #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F |
| #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 |
| #define ISCSI_COMMON_HDR_IMM_MASK 0x1 |
| #define ISCSI_COMMON_HDR_IMM_SHIFT 6 |
| #define ISCSI_COMMON_HDR_RSRV_MASK 0x1 |
| #define ISCSI_COMMON_HDR_RSRV_SHIFT 7 |
| __le32 hdr_second_dword; |
| #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun_reserved; |
| __le32 itt; |
| __le32 ttt; |
| __le32 cmdstat_sn; |
| __le32 exp_statcmd_sn; |
| __le32 max_cmd_sn; |
| __le32 data[3]; |
| }; |
| |
| /* iSCSI Command PDU header */ |
| struct iscsi_cmd_hdr { |
| __le16 reserved1; |
| u8 flags_attr; |
| #define ISCSI_CMD_HDR_ATTR_MASK 0x7 |
| #define ISCSI_CMD_HDR_ATTR_SHIFT 0 |
| #define ISCSI_CMD_HDR_RSRV_MASK 0x3 |
| #define ISCSI_CMD_HDR_RSRV_SHIFT 3 |
| #define ISCSI_CMD_HDR_WRITE_MASK 0x1 |
| #define ISCSI_CMD_HDR_WRITE_SHIFT 5 |
| #define ISCSI_CMD_HDR_READ_MASK 0x1 |
| #define ISCSI_CMD_HDR_READ_SHIFT 6 |
| #define ISCSI_CMD_HDR_FINAL_MASK 0x1 |
| #define ISCSI_CMD_HDR_FINAL_SHIFT 7 |
| u8 hdr_first_byte; |
| #define ISCSI_CMD_HDR_OPCODE_MASK 0x3F |
| #define ISCSI_CMD_HDR_OPCODE_SHIFT 0 |
| #define ISCSI_CMD_HDR_IMM_MASK 0x1 |
| #define ISCSI_CMD_HDR_IMM_SHIFT 6 |
| #define ISCSI_CMD_HDR_RSRV1_MASK 0x1 |
| #define ISCSI_CMD_HDR_RSRV1_SHIFT 7 |
| __le32 hdr_second_dword; |
| #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun; |
| __le32 itt; |
| __le32 expected_transfer_length; |
| __le32 cmd_sn; |
| __le32 exp_stat_sn; |
| __le32 cdb[4]; |
| }; |
| |
| /* iSCSI Command PDU header with Extended CDB (Initiator Mode) */ |
| struct iscsi_ext_cdb_cmd_hdr { |
| __le16 reserved1; |
| u8 flags_attr; |
| #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 |
| #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 |
| #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 |
| #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 |
| #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 |
| #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 |
| #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 |
| #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 |
| #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 |
| #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF |
| #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 |
| struct regpair lun; |
| __le32 itt; |
| __le32 expected_transfer_length; |
| __le32 cmd_sn; |
| __le32 exp_stat_sn; |
| struct scsi_sge cdb_sge; |
| }; |
| |
| /* iSCSI login request PDU header */ |
| struct iscsi_login_req_hdr { |
| u8 version_min; |
| u8 version_max; |
| u8 flags_attr; |
| #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 |
| #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 |
| #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 |
| #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 |
| #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 |
| #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 |
| #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 |
| #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 |
| #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 |
| #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| __le32 isid_tabc; |
| __le16 tsih; |
| __le16 isid_d; |
| __le32 itt; |
| __le16 reserved1; |
| __le16 cid; |
| __le32 cmd_sn; |
| __le32 exp_stat_sn; |
| __le32 reserved2[4]; |
| }; |
| |
| /* iSCSI logout request PDU header */ |
| struct iscsi_logout_req_hdr { |
| __le16 reserved0; |
| u8 reason_code; |
| u8 opcode; |
| __le32 reserved1; |
| __le32 reserved2[2]; |
| __le32 itt; |
| __le16 reserved3; |
| __le16 cid; |
| __le32 cmd_sn; |
| __le32 exp_stat_sn; |
| __le32 reserved4[4]; |
| }; |
| |
| /* iSCSI Data-out PDU header */ |
| struct iscsi_data_out_hdr { |
| __le16 reserved1; |
| u8 flags_attr; |
| #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F |
| #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 |
| #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 |
| #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 |
| u8 opcode; |
| __le32 reserved2; |
| struct regpair lun; |
| __le32 itt; |
| __le32 ttt; |
| __le32 reserved3; |
| __le32 exp_stat_sn; |
| __le32 reserved4; |
| __le32 data_sn; |
| __le32 buffer_offset; |
| __le32 reserved5; |
| }; |
| |
| /* iSCSI Data-in PDU header */ |
| struct iscsi_data_in_hdr { |
| u8 status_rsvd; |
| u8 reserved1; |
| u8 flags; |
| #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 |
| #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 |
| #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 |
| #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 |
| #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 |
| #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 |
| #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 |
| #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 |
| #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 |
| #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 |
| #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 |
| #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 |
| u8 opcode; |
| __le32 reserved2; |
| struct regpair lun; |
| __le32 itt; |
| __le32 ttt; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 data_sn; |
| __le32 buffer_offset; |
| __le32 residual_count; |
| }; |
| |
| /* iSCSI R2T PDU header */ |
| struct iscsi_r2t_hdr { |
| u8 reserved0[3]; |
| u8 opcode; |
| __le32 reserved2; |
| struct regpair lun; |
| __le32 itt; |
| __le32 ttt; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 r2t_sn; |
| __le32 buffer_offset; |
| __le32 desired_data_trns_len; |
| }; |
| |
| /* iSCSI NOP-out PDU header */ |
| struct iscsi_nop_out_hdr { |
| __le16 reserved1; |
| u8 flags_attr; |
| #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F |
| #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 |
| #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 |
| #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 |
| u8 opcode; |
| __le32 reserved2; |
| struct regpair lun; |
| __le32 itt; |
| __le32 ttt; |
| __le32 cmd_sn; |
| __le32 exp_stat_sn; |
| __le32 reserved3; |
| __le32 reserved4; |
| __le32 reserved5; |
| __le32 reserved6; |
| }; |
| |
| /* iSCSI NOP-in PDU header */ |
| struct iscsi_nop_in_hdr { |
| __le16 reserved0; |
| u8 flags_attr; |
| #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F |
| #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 |
| #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 |
| #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun; |
| __le32 itt; |
| __le32 ttt; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 reserved5; |
| __le32 reserved6; |
| __le32 reserved7; |
| }; |
| |
| /* iSCSI Login Response PDU header */ |
| struct iscsi_login_response_hdr { |
| u8 version_active; |
| u8 version_max; |
| u8 flags_attr; |
| #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 |
| #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 |
| #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 |
| #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 |
| #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 |
| #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 |
| #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 |
| #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 |
| #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 |
| #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| __le32 isid_tabc; |
| __le16 tsih; |
| __le16 isid_d; |
| __le32 itt; |
| __le32 reserved1; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le16 reserved2; |
| u8 status_detail; |
| u8 status_class; |
| __le32 reserved4[2]; |
| }; |
| |
| /* iSCSI Logout Response PDU header */ |
| struct iscsi_logout_response_hdr { |
| u8 reserved1; |
| u8 response; |
| u8 flags; |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| __le32 reserved2[2]; |
| __le32 itt; |
| __le32 reserved3; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 reserved4; |
| __le16 time_2_retain; |
| __le16 time_2_wait; |
| __le32 reserved5[1]; |
| }; |
| |
| /* iSCSI Text Request PDU header */ |
| struct iscsi_text_request_hdr { |
| __le16 reserved0; |
| u8 flags_attr; |
| #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F |
| #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 |
| #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 |
| #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 |
| #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 |
| #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun; |
| __le32 itt; |
| __le32 ttt; |
| __le32 cmd_sn; |
| __le32 exp_stat_sn; |
| __le32 reserved4[4]; |
| }; |
| |
| /* iSCSI Text Response PDU header */ |
| struct iscsi_text_response_hdr { |
| __le16 reserved1; |
| u8 flags; |
| #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F |
| #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 |
| #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 |
| #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 |
| #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 |
| #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun; |
| __le32 itt; |
| __le32 ttt; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 reserved4[3]; |
| }; |
| |
| /* iSCSI TMF Request PDU header */ |
| struct iscsi_tmf_request_hdr { |
| __le16 reserved0; |
| u8 function; |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun; |
| __le32 itt; |
| __le32 rtt; |
| __le32 cmd_sn; |
| __le32 exp_stat_sn; |
| __le32 ref_cmd_sn; |
| __le32 exp_data_sn; |
| __le32 reserved4[2]; |
| }; |
| |
| struct iscsi_tmf_response_hdr { |
| u8 reserved2; |
| u8 hdr_response; |
| u8 hdr_flags; |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair reserved0; |
| __le32 itt; |
| __le32 reserved1; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 reserved4[3]; |
| }; |
| |
| /* iSCSI Response PDU header */ |
| struct iscsi_response_hdr { |
| u8 hdr_status; |
| u8 hdr_response; |
| u8 hdr_flags; |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun; |
| __le32 itt; |
| __le32 snack_tag; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 exp_data_sn; |
| __le32 bi_residual_count; |
| __le32 residual_count; |
| }; |
| |
| /* iSCSI Reject PDU header */ |
| struct iscsi_reject_hdr { |
| u8 reserved4; |
| u8 hdr_reason; |
| u8 hdr_flags; |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair reserved0; |
| __le32 all_ones; |
| __le32 reserved2; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le32 data_sn; |
| __le32 reserved3[2]; |
| }; |
| |
| /* iSCSI Asynchronous Message PDU header */ |
| struct iscsi_async_msg_hdr { |
| __le16 reserved0; |
| u8 flags_attr; |
| #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F |
| #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 |
| #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 |
| #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 |
| u8 opcode; |
| __le32 hdr_second_dword; |
| #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 |
| #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF |
| #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 |
| struct regpair lun; |
| __le32 all_ones; |
| __le32 reserved1; |
| __le32 stat_sn; |
| __le32 exp_cmd_sn; |
| __le32 max_cmd_sn; |
| __le16 param1_rsrv; |
| u8 async_vcode; |
| u8 async_event; |
| __le16 param3_rsrv; |
| __le16 param2_rsrv; |
| __le32 reserved7; |
| }; |
| |
| /* PDU header part of Ystorm task context */ |
| union iscsi_task_hdr { |
| struct iscsi_common_hdr common; |
| struct data_hdr data; |
| struct iscsi_cmd_hdr cmd; |
| struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd; |
| struct iscsi_login_req_hdr login_req; |
| struct iscsi_logout_req_hdr logout_req; |
| struct iscsi_data_out_hdr data_out; |
| struct iscsi_data_in_hdr data_in; |
| struct iscsi_r2t_hdr r2t; |
| struct iscsi_nop_out_hdr nop_out; |
| struct iscsi_nop_in_hdr nop_in; |
| struct iscsi_login_response_hdr login_response; |
| struct iscsi_logout_response_hdr logout_response; |
| struct iscsi_text_request_hdr text_request; |
| struct iscsi_text_response_hdr text_response; |
| struct iscsi_tmf_request_hdr tmf_request; |
| struct iscsi_tmf_response_hdr tmf_response; |
| struct iscsi_response_hdr response; |
| struct iscsi_reject_hdr reject; |
| struct iscsi_async_msg_hdr async_msg; |
| }; |
| |
| /* The iscsi storm task context of Ystorm */ |
| struct ystorm_iscsi_task_st_ctx { |
| struct ystorm_iscsi_task_state state; |
| struct ystorm_iscsi_task_rxmit_opt rxmit_opt; |
| union iscsi_task_hdr pdu_hdr; |
| }; |
| |
| struct e4_ystorm_iscsi_task_ag_ctx { |
| u8 reserved; |
| u8 byte1; |
| __le16 word0; |
| u8 flags0; |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_MASK 0x1 /* bit3 */ |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_SHIFT 7 |
| u8 flags1; |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 |
| u8 flags2; |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 |
| #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 |
| u8 byte2; |
| __le32 TTT; |
| u8 byte3; |
| u8 byte4; |
| __le16 word1; |
| }; |
| |
| struct e4_mstorm_iscsi_task_ag_ctx { |
| u8 cdu_validation; |
| u8 byte1; |
| __le16 task_cid; |
| u8 flags0; |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 |
| u8 flags1; |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 |
| u8 flags2; |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 |
| #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 |
| u8 byte2; |
| __le32 reg0; |
| u8 byte3; |
| u8 byte4; |
| __le16 word1; |
| }; |
| |
| struct e4_ustorm_iscsi_task_ag_ctx { |
| u8 reserved; |
| u8 state; |
| __le16 icid; |
| u8 flags0; |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 |
| u8 flags1; |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 |
| u8 flags2; |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 |
| u8 flags3; |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF |
| #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 |
| __le32 dif_err_intervals; |
| __le32 dif_error_1st_interval; |
| __le32 rcv_cont_len; |
| __le32 exp_cont_len; |
| __le32 total_data_acked; |
| __le32 exp_data_acked; |
| u8 byte2; |
| u8 byte3; |
| __le16 word1; |
| __le16 next_tid; |
| __le16 word3; |
| __le32 hdr_residual_count; |
| __le32 exp_r2t_sn; |
| }; |
| |
| /* The iscsi storm task context of Mstorm */ |
| struct mstorm_iscsi_task_st_ctx { |
| struct scsi_cached_sges data_desc; |
| struct scsi_sgl_params sgl_params; |
| __le32 rem_task_size; |
| __le32 data_buffer_offset; |
| u8 task_type; |
| struct iscsi_dif_flags dif_flags; |
| __le16 dif_task_icid; |
| struct regpair sense_db; |
| __le32 expected_itt; |
| __le32 reserved1; |
| }; |
| |
| struct iscsi_reg1 { |
| __le32 reg1_map; |
| #define ISCSI_REG1_NUM_SGES_MASK 0xF |
| #define ISCSI_REG1_NUM_SGES_SHIFT 0 |
| #define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF |
| #define ISCSI_REG1_RESERVED1_SHIFT 4 |
| }; |
| |
| struct tqe_opaque { |
| __le16 opaque[2]; |
| }; |
| |
| /* The iscsi storm task context of Ustorm */ |
| struct ustorm_iscsi_task_st_ctx { |
| __le32 rem_rcv_len; |
| __le32 exp_data_transfer_len; |
| __le32 exp_data_sn; |
| struct regpair lun; |
| struct iscsi_reg1 reg1; |
| u8 flags2; |
| #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 |
| #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F |
| #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 |
| struct iscsi_dif_flags dif_flags; |
| __le16 reserved3; |
| struct tqe_opaque tqe_opaque_list; |
| __le32 reserved5; |
| __le32 reserved6; |
| __le32 reserved7; |
| u8 task_type; |
| u8 error_flags; |
| #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 |
| #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 |
| #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 |
| #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F |
| #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 |
| u8 flags; |
| #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 |
| #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 |
| #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 |
| #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 |
| #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 |
| #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 |
| #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 |
| #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 |
| #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 |
| u8 cq_rss_number; |
| }; |
| |
| /* iscsi task context */ |
| struct e4_iscsi_task_context { |
| struct ystorm_iscsi_task_st_ctx ystorm_st_context; |
| struct e4_ystorm_iscsi_task_ag_ctx ystorm_ag_context; |
| struct regpair ystorm_ag_padding[2]; |
| struct tdif_task_context tdif_context; |
| struct e4_mstorm_iscsi_task_ag_ctx mstorm_ag_context; |
| struct regpair mstorm_ag_padding[2]; |
| struct e4_ustorm_iscsi_task_ag_ctx ustorm_ag_context; |
| struct mstorm_iscsi_task_st_ctx mstorm_st_context; |
| struct ustorm_iscsi_task_st_ctx ustorm_st_context; |
| struct rdif_task_context rdif_context; |
| }; |
| |
| /* iSCSI connection offload params passed by driver to FW in ISCSI offload |
| * ramrod. |
| */ |
| struct iscsi_conn_offload_params { |
| struct regpair sq_pbl_addr; |
| struct regpair r2tq_pbl_addr; |
| struct regpair xhq_pbl_addr; |
| struct regpair uhq_pbl_addr; |
| __le32 initial_ack; |
| __le16 physical_q0; |
| __le16 physical_q1; |
| u8 flags; |
| #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 |
| #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 |
| #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 |
| #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 |
| #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 |
| #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 |
| #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F |
| #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3 |
| u8 pbl_page_size_log; |
| u8 pbe_page_size_log; |
| u8 default_cq; |
| __le32 stat_sn; |
| }; |
| |
| /* iSCSI connection statistics */ |
| struct iscsi_conn_stats_params { |
| struct regpair iscsi_tcp_tx_packets_cnt; |
| struct regpair iscsi_tcp_tx_bytes_cnt; |
| struct regpair iscsi_tcp_tx_rxmit_cnt; |
| struct regpair iscsi_tcp_rx_packets_cnt; |
| struct regpair iscsi_tcp_rx_bytes_cnt; |
| struct regpair iscsi_tcp_rx_dup_ack_cnt; |
| __le32 iscsi_tcp_rx_chksum_err_cnt; |
| __le32 reserved; |
| }; |
| |
| /* spe message header */ |
| struct iscsi_slow_path_hdr { |
| u8 op_code; |
| u8 flags; |
| #define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF |
| #define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0 |
| #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7 |
| #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4 |
| #define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1 |
| #define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7 |
| }; |
| |
| /* iSCSI connection update params passed by driver to FW in ISCSI update |
| *ramrod. |
| */ |
| struct iscsi_conn_update_ramrod_params { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 conn_id; |
| __le32 fw_cid; |
| u8 flags; |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_SHIFT 6 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_MASK 0x1 |
| #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_SHIFT 7 |
| u8 reserved0[3]; |
| __le32 max_seq_size; |
| __le32 max_send_pdu_length; |
| __le32 max_recv_pdu_length; |
| __le32 first_seq_length; |
| __le32 exp_stat_sn; |
| union dif_configuration_params dif_on_imme_params; |
| }; |
| |
| /* iSCSI CQ element */ |
| struct iscsi_cqe_common { |
| __le16 conn_id; |
| u8 cqe_type; |
| union cqe_error_status error_bitmap; |
| __le32 reserved[3]; |
| union iscsi_task_hdr iscsi_hdr; |
| }; |
| |
| /* iSCSI CQ element */ |
| struct iscsi_cqe_solicited { |
| __le16 conn_id; |
| u8 cqe_type; |
| union cqe_error_status error_bitmap; |
| __le16 itid; |
| u8 task_type; |
| u8 fw_dbg_field; |
| u8 caused_conn_err; |
| u8 reserved0[3]; |
| __le32 data_truncated_bytes; |
| union iscsi_task_hdr iscsi_hdr; |
| }; |
| |
| /* iSCSI CQ element */ |
| struct iscsi_cqe_unsolicited { |
| __le16 conn_id; |
| u8 cqe_type; |
| union cqe_error_status error_bitmap; |
| __le16 reserved0; |
| u8 reserved1; |
| u8 unsol_cqe_type; |
| __le16 rqe_opaque; |
| __le16 reserved2[3]; |
| union iscsi_task_hdr iscsi_hdr; |
| }; |
| |
| /* iSCSI CQ element */ |
| union iscsi_cqe { |
| struct iscsi_cqe_common cqe_common; |
| struct iscsi_cqe_solicited cqe_solicited; |
| struct iscsi_cqe_unsolicited cqe_unsolicited; |
| }; |
| |
| /* iSCSI CQE type */ |
| enum iscsi_cqes_type { |
| ISCSI_CQE_TYPE_SOLICITED = 1, |
| ISCSI_CQE_TYPE_UNSOLICITED, |
| ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE, |
| ISCSI_CQE_TYPE_TASK_CLEANUP, |
| ISCSI_CQE_TYPE_DUMMY, |
| MAX_ISCSI_CQES_TYPE |
| }; |
| |
| /* iSCSI CQE type */ |
| enum iscsi_cqe_unsolicited_type { |
| ISCSI_CQE_UNSOLICITED_NONE, |
| ISCSI_CQE_UNSOLICITED_SINGLE, |
| ISCSI_CQE_UNSOLICITED_FIRST, |
| ISCSI_CQE_UNSOLICITED_MIDDLE, |
| ISCSI_CQE_UNSOLICITED_LAST, |
| MAX_ISCSI_CQE_UNSOLICITED_TYPE |
| }; |
| |
| /* iscsi debug modes */ |
| struct iscsi_debug_modes { |
| u8 flags; |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_SHIFT 6 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_MASK 0x1 |
| #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_SHIFT 7 |
| }; |
| |
| /* iSCSI kernel completion queue IDs */ |
| enum iscsi_eqe_opcode { |
| ISCSI_EVENT_TYPE_INIT_FUNC = 0, |
| ISCSI_EVENT_TYPE_DESTROY_FUNC, |
| ISCSI_EVENT_TYPE_OFFLOAD_CONN, |
| ISCSI_EVENT_TYPE_UPDATE_CONN, |
| ISCSI_EVENT_TYPE_CLEAR_SQ, |
| ISCSI_EVENT_TYPE_TERMINATE_CONN, |
| ISCSI_EVENT_TYPE_MAC_UPDATE_CONN, |
| ISCSI_EVENT_TYPE_COLLECT_STATS_CONN, |
| ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE, |
| ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE, |
| ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES = 10, |
| ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD, |
| ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD, |
| ISCSI_EVENT_TYPE_ASYN_SYN_RCVD, |
| ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME, |
| ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT, |
| ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT, |
| ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2, |
| ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR, |
| ISCSI_EVENT_TYPE_TCP_CONN_ERROR, |
| MAX_ISCSI_EQE_OPCODE |
| }; |
| |
| /* iSCSI EQE and CQE completion status */ |
| enum iscsi_error_types { |
| ISCSI_STATUS_NONE = 0, |
| ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN = 1, |
| ISCSI_CONN_ERROR_TASK_CID_MISMATCH, |
| ISCSI_CONN_ERROR_TASK_NOT_VALID, |
| ISCSI_CONN_ERROR_RQ_RING_IS_FULL, |
| ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL, |
| ISCSI_CONN_ERROR_HQE_CACHING_FAILED, |
| ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR, |
| ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR, |
| ISCSI_CONN_ERROR_DATA_OVERRUN, |
| ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR, |
| ISCSI_CONN_ERROR_IP_OPTIONS_ERROR, |
| ISCSI_CONN_ERROR_PRS_ERRORS, |
| ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION, |
| ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE, |
| ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT, |
| ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX, |
| ISCSI_CONN_ERROR_SENSE_DATA_LENGTH, |
| ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR, |
| ISCSI_CONN_ERROR_INVALID_ITT, |
| ISCSI_ERROR_UNKNOWN, |
| MAX_ISCSI_ERROR_TYPES |
| }; |
| |
| /* iSCSI Ramrod Command IDs */ |
| enum iscsi_ramrod_cmd_id { |
| ISCSI_RAMROD_CMD_ID_UNUSED = 0, |
| ISCSI_RAMROD_CMD_ID_INIT_FUNC = 1, |
| ISCSI_RAMROD_CMD_ID_DESTROY_FUNC = 2, |
| ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN = 3, |
| ISCSI_RAMROD_CMD_ID_UPDATE_CONN = 4, |
| ISCSI_RAMROD_CMD_ID_TERMINATION_CONN = 5, |
| ISCSI_RAMROD_CMD_ID_CLEAR_SQ = 6, |
| ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7, |
| ISCSI_RAMROD_CMD_ID_CONN_STATS = 8, |
| MAX_ISCSI_RAMROD_CMD_ID |
| }; |
| |
| /* iSCSI connection termination request */ |
| struct iscsi_spe_conn_mac_update { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 conn_id; |
| __le32 fw_cid; |
| __le16 remote_mac_addr_lo; |
| __le16 remote_mac_addr_mid; |
| __le16 remote_mac_addr_hi; |
| u8 reserved0[2]; |
| }; |
| |
| /* iSCSI and TCP connection (Option 1) offload params passed by driver to FW in |
| * iSCSI offload ramrod. |
| */ |
| struct iscsi_spe_conn_offload { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 conn_id; |
| __le32 fw_cid; |
| struct iscsi_conn_offload_params iscsi; |
| struct tcp_offload_params tcp; |
| }; |
| |
| /* iSCSI and TCP connection(Option 2) offload params passed by driver to FW in |
| * iSCSI offload ramrod. |
| */ |
| struct iscsi_spe_conn_offload_option2 { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 conn_id; |
| __le32 fw_cid; |
| struct iscsi_conn_offload_params iscsi; |
| struct tcp_offload_params_opt2 tcp; |
| }; |
| |
| /* iSCSI collect connection statistics request */ |
| struct iscsi_spe_conn_statistics { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 conn_id; |
| __le32 fw_cid; |
| u8 reset_stats; |
| u8 reserved0[7]; |
| struct regpair stats_cnts_addr; |
| }; |
| |
| /* iSCSI connection termination request */ |
| struct iscsi_spe_conn_termination { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 conn_id; |
| __le32 fw_cid; |
| u8 abortive; |
| u8 reserved0[7]; |
| struct regpair queue_cnts_addr; |
| struct regpair query_params_addr; |
| }; |
| |
| /* iSCSI firmware function destroy parameters */ |
| struct iscsi_spe_func_dstry { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 reserved0; |
| __le32 reserved1; |
| }; |
| |
| /* iSCSI firmware function init parameters */ |
| struct iscsi_spe_func_init { |
| struct iscsi_slow_path_hdr hdr; |
| __le16 half_way_close_timeout; |
| u8 num_sq_pages_in_ring; |
| u8 num_r2tq_pages_in_ring; |
| u8 num_uhq_pages_in_ring; |
| u8 ll2_rx_queue_id; |
| u8 flags; |
| #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_MASK 0x1 |
| #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_SHIFT 0 |
| #define ISCSI_SPE_FUNC_INIT_RESERVED0_MASK 0x7F |
| #define ISCSI_SPE_FUNC_INIT_RESERVED0_SHIFT 1 |
| struct iscsi_debug_modes debug_mode; |
| __le16 reserved1; |
| __le32 reserved2; |
| struct scsi_init_func_params func_params; |
| struct scsi_init_func_queues q_params; |
| }; |
| |
| /* iSCSI task type */ |
| enum iscsi_task_type { |
| ISCSI_TASK_TYPE_INITIATOR_WRITE, |
| ISCSI_TASK_TYPE_INITIATOR_READ, |
| ISCSI_TASK_TYPE_MIDPATH, |
| ISCSI_TASK_TYPE_UNSOLIC, |
| ISCSI_TASK_TYPE_EXCHCLEANUP, |
| ISCSI_TASK_TYPE_IRRELEVANT, |
| ISCSI_TASK_TYPE_TARGET_WRITE, |
| ISCSI_TASK_TYPE_TARGET_READ, |
| ISCSI_TASK_TYPE_TARGET_RESPONSE, |
| ISCSI_TASK_TYPE_LOGIN_RESPONSE, |
| ISCSI_TASK_TYPE_TARGET_IMM_W_DIF, |
| MAX_ISCSI_TASK_TYPE |
| }; |
| |
| /* iSCSI DesiredDataTransferLength/ttt union */ |
| union iscsi_ttt_txlen_union { |
| __le32 desired_tx_len; |
| __le32 ttt; |
| }; |
| |
| /* iSCSI uHQ element */ |
| struct iscsi_uhqe { |
| __le32 reg1; |
| #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF |
| #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 |
| #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 |
| #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 |
| #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 |
| #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 |
| #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 |
| #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 |
| #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 |
| #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 |
| #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF |
| #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 |
| __le32 reg2; |
| #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF |
| #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 |
| #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF |
| #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 |
| }; |
| |
| /* iSCSI WQ element */ |
| struct iscsi_wqe { |
| __le16 task_id; |
| u8 flags; |
| #define ISCSI_WQE_WQE_TYPE_MASK 0x7 |
| #define ISCSI_WQE_WQE_TYPE_SHIFT 0 |
| #define ISCSI_WQE_NUM_SGES_MASK 0xF |
| #define ISCSI_WQE_NUM_SGES_SHIFT 3 |
| #define ISCSI_WQE_RESPONSE_MASK 0x1 |
| #define ISCSI_WQE_RESPONSE_SHIFT 7 |
| struct iscsi_dif_flags prot_flags; |
| __le32 contlen_cdbsize; |
| #define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF |
| #define ISCSI_WQE_CONT_LEN_SHIFT 0 |
| #define ISCSI_WQE_CDB_SIZE_MASK 0xFF |
| #define ISCSI_WQE_CDB_SIZE_SHIFT 24 |
| }; |
| |
| /* iSCSI wqe type */ |
| enum iscsi_wqe_type { |
| ISCSI_WQE_TYPE_NORMAL, |
| ISCSI_WQE_TYPE_TASK_CLEANUP, |
| ISCSI_WQE_TYPE_MIDDLE_PATH, |
| ISCSI_WQE_TYPE_LOGIN, |
| ISCSI_WQE_TYPE_FIRST_R2T_CONT, |
| ISCSI_WQE_TYPE_NONFIRST_R2T_CONT, |
| ISCSI_WQE_TYPE_RESPONSE, |
| MAX_ISCSI_WQE_TYPE |
| }; |
| |
| /* iSCSI xHQ element */ |
| struct iscsi_xhqe { |
| union iscsi_ttt_txlen_union ttt_or_txlen; |
| __le32 exp_stat_sn; |
| struct iscsi_dif_flags prot_flags; |
| u8 total_ahs_length; |
| u8 opcode; |
| u8 flags; |
| #define ISCSI_XHQE_FINAL_MASK 0x1 |
| #define ISCSI_XHQE_FINAL_SHIFT 0 |
| #define ISCSI_XHQE_STATUS_BIT_MASK 0x1 |
| #define ISCSI_XHQE_STATUS_BIT_SHIFT 1 |
| #define ISCSI_XHQE_NUM_SGES_MASK 0xF |
| #define ISCSI_XHQE_NUM_SGES_SHIFT 2 |
| #define ISCSI_XHQE_RESERVED0_MASK 0x3 |
| #define ISCSI_XHQE_RESERVED0_SHIFT 6 |
| union iscsi_seq_num seq_num; |
| __le16 reserved1; |
| }; |
| |
| /* Per PF iSCSI receive path statistics - mStorm RAM structure */ |
| struct mstorm_iscsi_stats_drv { |
| struct regpair iscsi_rx_dropped_pdus_task_not_valid; |
| struct regpair iscsi_rx_dup_ack_cnt; |
| }; |
| |
| /* Per PF iSCSI transmit path statistics - pStorm RAM structure */ |
| struct pstorm_iscsi_stats_drv { |
| struct regpair iscsi_tx_bytes_cnt; |
| struct regpair iscsi_tx_packet_cnt; |
| }; |
| |
| /* Per PF iSCSI receive path statistics - tStorm RAM structure */ |
| struct tstorm_iscsi_stats_drv { |
| struct regpair iscsi_rx_bytes_cnt; |
| struct regpair iscsi_rx_packet_cnt; |
| struct regpair iscsi_rx_new_ooo_isle_events_cnt; |
| struct regpair iscsi_rx_tcp_payload_bytes_cnt; |
| struct regpair iscsi_rx_tcp_pkt_cnt; |
| struct regpair iscsi_rx_pure_ack_cnt; |
| __le32 iscsi_cmdq_threshold_cnt; |
| __le32 iscsi_rq_threshold_cnt; |
| __le32 iscsi_immq_threshold_cnt; |
| }; |
| |
| /* Per PF iSCSI receive path statistics - uStorm RAM structure */ |
| struct ustorm_iscsi_stats_drv { |
| struct regpair iscsi_rx_data_pdu_cnt; |
| struct regpair iscsi_rx_r2t_pdu_cnt; |
| struct regpair iscsi_rx_total_pdu_cnt; |
| }; |
| |
| /* Per PF iSCSI transmit path statistics - xStorm RAM structure */ |
| struct xstorm_iscsi_stats_drv { |
| struct regpair iscsi_tx_go_to_slow_start_event_cnt; |
| struct regpair iscsi_tx_fast_retransmit_event_cnt; |
| struct regpair iscsi_tx_pure_ack_cnt; |
| struct regpair iscsi_tx_delayed_ack_cnt; |
| }; |
| |
| /* Per PF iSCSI transmit path statistics - yStorm RAM structure */ |
| struct ystorm_iscsi_stats_drv { |
| struct regpair iscsi_tx_data_pdu_cnt; |
| struct regpair iscsi_tx_r2t_pdu_cnt; |
| struct regpair iscsi_tx_total_pdu_cnt; |
| struct regpair iscsi_tx_tcp_payload_bytes_cnt; |
| struct regpair iscsi_tx_tcp_pkt_cnt; |
| }; |
| |
| struct e4_tstorm_iscsi_task_ag_ctx { |
| u8 byte0; |
| u8 byte1; |
| __le16 word0; |
| u8 flags0; |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 |
| u8 flags1; |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 |
| u8 flags2; |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 |
| u8 flags3; |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 |
| u8 flags4; |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 |
| #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 |
| u8 byte2; |
| __le16 word1; |
| __le32 reg0; |
| u8 byte3; |
| u8 byte4; |
| __le16 word2; |
| __le16 word3; |
| __le16 word4; |
| __le32 reg1; |
| __le32 reg2; |
| }; |
| |
| /* iSCSI doorbell data */ |
| struct iscsi_db_data { |
| u8 params; |
| #define ISCSI_DB_DATA_DEST_MASK 0x3 |
| #define ISCSI_DB_DATA_DEST_SHIFT 0 |
| #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 |
| #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 |
| #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 |
| #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 |
| #define ISCSI_DB_DATA_RESERVED_MASK 0x1 |
| #define ISCSI_DB_DATA_RESERVED_SHIFT 5 |
| #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 |
| #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 |
| u8 agg_flags; |
| __le16 sq_prod; |
| }; |
| |
| #endif /* __ISCSI_COMMON__ */ |
