1316485Sdavidcs/* 2316485Sdavidcs * Copyright (c) 2017-2018 Cavium, Inc. 3316485Sdavidcs * All rights reserved. 4316485Sdavidcs * 5316485Sdavidcs * Redistribution and use in source and binary forms, with or without 6316485Sdavidcs * modification, are permitted provided that the following conditions 7316485Sdavidcs * are met: 8316485Sdavidcs * 9316485Sdavidcs * 1. Redistributions of source code must retain the above copyright 10316485Sdavidcs * notice, this list of conditions and the following disclaimer. 11316485Sdavidcs * 2. Redistributions in binary form must reproduce the above copyright 12316485Sdavidcs * notice, this list of conditions and the following disclaimer in the 13316485Sdavidcs * documentation and/or other materials provided with the distribution. 14316485Sdavidcs * 15316485Sdavidcs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16316485Sdavidcs * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17316485Sdavidcs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18316485Sdavidcs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19316485Sdavidcs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20316485Sdavidcs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21316485Sdavidcs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22316485Sdavidcs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23316485Sdavidcs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24316485Sdavidcs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25316485Sdavidcs * POSSIBILITY OF SUCH DAMAGE. 26316485Sdavidcs * 27316485Sdavidcs * $FreeBSD: stable/10/sys/dev/qlnx/qlnxe/iscsi_common.h 337519 2018-08-09 01:39:47Z davidcs $ 28316485Sdavidcs * 29316485Sdavidcs */ 30316485Sdavidcs 31316485Sdavidcs 32316485Sdavidcs#ifndef __ISCSI_COMMON__ 33316485Sdavidcs#define __ISCSI_COMMON__ 34316485Sdavidcs/**********************/ 35316485Sdavidcs/* ISCSI FW CONSTANTS */ 36316485Sdavidcs/**********************/ 37316485Sdavidcs 38316485Sdavidcs/* iSCSI HSI constants */ 39316485Sdavidcs#define ISCSI_DEFAULT_MTU (1500) 40316485Sdavidcs 41316485Sdavidcs/* KWQ (kernel work queue) layer codes */ 42316485Sdavidcs#define ISCSI_SLOW_PATH_LAYER_CODE (6) 43316485Sdavidcs 44316485Sdavidcs/* iSCSI parameter defaults */ 45316485Sdavidcs#define ISCSI_DEFAULT_HEADER_DIGEST (0) 46316485Sdavidcs#define ISCSI_DEFAULT_DATA_DIGEST (0) 47316485Sdavidcs#define ISCSI_DEFAULT_INITIAL_R2T (1) 48316485Sdavidcs#define ISCSI_DEFAULT_IMMEDIATE_DATA (1) 49316485Sdavidcs#define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000) 50316485Sdavidcs#define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000) 51316485Sdavidcs#define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000) 52316485Sdavidcs#define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) 53316485Sdavidcs 54316485Sdavidcs/* iSCSI parameter limits */ 55316485Sdavidcs#define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200) 56316485Sdavidcs#define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff) 57316485Sdavidcs#define ISCSI_MIN_VAL_BURST_LENGTH (0x200) 58316485Sdavidcs#define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff) 59316485Sdavidcs#define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1) 60316485Sdavidcs#define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff) // 0x10000 according to RFC 61316485Sdavidcs 62316485Sdavidcs#define ISCSI_AHS_CNTL_SIZE 4 63316485Sdavidcs 64316485Sdavidcs#define ISCSI_WQE_NUM_SGES_SLOWIO (0xf) 65316485Sdavidcs 66316485Sdavidcs/* iSCSI reserved params */ 67316485Sdavidcs#define ISCSI_ITT_ALL_ONES (0xffffffff) 68316485Sdavidcs#define ISCSI_TTT_ALL_ONES (0xffffffff) 69316485Sdavidcs 70316485Sdavidcs#define ISCSI_OPTION_1_OFF_CHIP_TCP 1 71316485Sdavidcs#define ISCSI_OPTION_2_ON_CHIP_TCP 2 72316485Sdavidcs 73316485Sdavidcs#define ISCSI_INITIATOR_MODE 0 74316485Sdavidcs#define ISCSI_TARGET_MODE 1 75316485Sdavidcs 76316485Sdavidcs 77316485Sdavidcs/* iSCSI request op codes */ 78316485Sdavidcs#define ISCSI_OPCODE_NOP_OUT (0) 79316485Sdavidcs#define ISCSI_OPCODE_SCSI_CMD (1) 80316485Sdavidcs#define ISCSI_OPCODE_TMF_REQUEST (2) 81316485Sdavidcs#define ISCSI_OPCODE_LOGIN_REQUEST (3) 82316485Sdavidcs#define ISCSI_OPCODE_TEXT_REQUEST (4) 83316485Sdavidcs#define ISCSI_OPCODE_DATA_OUT (5) 84316485Sdavidcs#define ISCSI_OPCODE_LOGOUT_REQUEST (6) 85316485Sdavidcs 86316485Sdavidcs/* iSCSI response/messages op codes */ 87316485Sdavidcs#define ISCSI_OPCODE_NOP_IN (0x20) 88316485Sdavidcs#define ISCSI_OPCODE_SCSI_RESPONSE (0x21) 89316485Sdavidcs#define ISCSI_OPCODE_TMF_RESPONSE (0x22) 90316485Sdavidcs#define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) 91316485Sdavidcs#define ISCSI_OPCODE_TEXT_RESPONSE (0x24) 92316485Sdavidcs#define ISCSI_OPCODE_DATA_IN (0x25) 93316485Sdavidcs#define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) 94316485Sdavidcs#define ISCSI_OPCODE_R2T (0x31) 95316485Sdavidcs#define ISCSI_OPCODE_ASYNC_MSG (0x32) 96316485Sdavidcs#define ISCSI_OPCODE_REJECT (0x3f) 97316485Sdavidcs 98316485Sdavidcs/* iSCSI stages */ 99316485Sdavidcs#define ISCSI_STAGE_SECURITY_NEGOTIATION (0) 100316485Sdavidcs#define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) 101316485Sdavidcs#define ISCSI_STAGE_FULL_FEATURE_PHASE (3) 102316485Sdavidcs 103316485Sdavidcs/* iSCSI CQE errors */ 104316485Sdavidcs#define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) 105316485Sdavidcs#define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) 106316485Sdavidcs#define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) 107316485Sdavidcs 108316485Sdavidcs 109316485Sdavidcs/* 110320162Sdavidcs * Union of data bd_opaque/ tq_tid 111320162Sdavidcs */ 112320162Sdavidcsunion bd_opaque_tq_union 113320162Sdavidcs{ 114320162Sdavidcs __le16 bd_opaque /* BDs opaque data */; 115320162Sdavidcs __le16 tq_tid /* Immediate Data with DIF TQe TID */; 116320162Sdavidcs}; 117320162Sdavidcs 118320162Sdavidcs 119320162Sdavidcs/* 120316485Sdavidcs * ISCSI SGL entry 121316485Sdavidcs */ 122316485Sdavidcsstruct cqe_error_bitmap 123316485Sdavidcs{ 124316485Sdavidcs u8 cqe_error_status_bits; 125316485Sdavidcs#define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 /* Mark task with DIF error (3 bit): [0]-CRC/checksum, [1]-app tag, [2]-reference tag */ 126316485Sdavidcs#define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 127316485Sdavidcs#define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 /* Mark task with data digest error (1 bit) */ 128316485Sdavidcs#define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 129316485Sdavidcs#define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 /* Mark receive on invalid connection */ 130316485Sdavidcs#define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 131316485Sdavidcs#define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 /* Target Mode - Mark middle task error, data truncated */ 132316485Sdavidcs#define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 133316485Sdavidcs#define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 134316485Sdavidcs#define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 135316485Sdavidcs#define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 136316485Sdavidcs#define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 137316485Sdavidcs}; 138316485Sdavidcs 139316485Sdavidcs 140316485Sdavidcsunion cqe_error_status 141316485Sdavidcs{ 142316485Sdavidcs u8 error_status /* all error bits as uint8 */; 143316485Sdavidcs struct cqe_error_bitmap error_bits /* cqe errors bitmap */; 144316485Sdavidcs}; 145316485Sdavidcs 146316485Sdavidcs 147316485Sdavidcs/* 148316485Sdavidcs * iSCSI Login Response PDU header 149316485Sdavidcs */ 150316485Sdavidcsstruct data_hdr 151316485Sdavidcs{ 152316485Sdavidcs __le32 data[12] /* iscsi header data */; 153316485Sdavidcs}; 154316485Sdavidcs 155316485Sdavidcs 156320162Sdavidcsstruct lun_mapper_addr_reserved 157320162Sdavidcs{ 158320162Sdavidcs struct regpair lun_mapper_addr /* Lun mapper address */; 159320162Sdavidcs u8 reserved0[8]; 160320162Sdavidcs}; 161320162Sdavidcs 162316485Sdavidcs/* 163320162Sdavidcs * rdif conetxt for dif on immediate 164316485Sdavidcs */ 165320162Sdavidcsstruct dif_on_immediate_params 166316485Sdavidcs{ 167320162Sdavidcs __le32 initial_ref_tag; 168320162Sdavidcs __le16 application_tag; 169320162Sdavidcs __le16 application_tag_mask; 170320162Sdavidcs __le16 flags1; 171320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_MASK 0x1 172320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_SHIFT 0 173320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_MASK 0x1 174320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_SHIFT 1 175320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_MASK 0x1 176320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_SHIFT 2 177320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_MASK 0x1 178320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_SHIFT 3 179320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_MASK 0x1 180320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_SHIFT 4 181320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_MASK 0x1 182320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_SHIFT 5 183320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_MASK 0x1 /* 0=512B, 1=4KB */ 184320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_SHIFT 6 185320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_MASK 0x1 /* 0=None, 1=DIF */ 186320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_SHIFT 7 187320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_MASK 0x3 /* 0=None, 1=DIF, 2=DIX */ 188320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_SHIFT 8 189320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_MASK 0xF /* mask for refernce tag handling */ 190320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_SHIFT 10 191320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_MASK 0x1 /* Forward application tag with mask */ 192320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_SHIFT 14 193320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_MASK 0x1 /* Forward reference tag with mask */ 194320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_SHIFT 15 195320162Sdavidcs u8 flags0; 196320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_RESERVED_MASK 0x1 197320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_RESERVED_SHIFT 0 198320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_MASK 0x1 199320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_SHIFT 1 200320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_MASK 0x1 201320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_SHIFT 2 202320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_MASK 0x1 /* 0 = IP checksum, 1 = CRC */ 203320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_SHIFT 3 204320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_MASK 0x3 /* 1/2/3 - Protection Type */ 205320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_SHIFT 4 206320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_MASK 0x1 /* 0=0x0000, 1=0xffff */ 207320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_SHIFT 6 208320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_MASK 0x1 /* Keep reference tag constant */ 209320162Sdavidcs#define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_SHIFT 7 210320162Sdavidcs u8 reserved_zero[5]; 211316485Sdavidcs}; 212316485Sdavidcs 213320162Sdavidcs/* 214320162Sdavidcs * iSCSI dif on immediate mode attributes union 215320162Sdavidcs */ 216320162Sdavidcsunion dif_configuration_params 217320162Sdavidcs{ 218320162Sdavidcs struct lun_mapper_addr_reserved lun_mapper_address /* lun mapper address */; 219320162Sdavidcs struct dif_on_immediate_params def_dif_conf /* default dif on immediate rdif configuration */; 220320162Sdavidcs}; 221316485Sdavidcs 222320162Sdavidcs 223320162Sdavidcs 224316485Sdavidcs/* 225320162Sdavidcs * Union of data/r2t sequence number 226316485Sdavidcs */ 227320162Sdavidcsunion iscsi_seq_num 228316485Sdavidcs{ 229320162Sdavidcs __le16 data_sn /* data-in sequence number */; 230320162Sdavidcs __le16 r2t_sn /* r2t pdu sequence number */; 231316485Sdavidcs}; 232316485Sdavidcs 233320162Sdavidcs/* 234320162Sdavidcs * iSCSI DIF flags 235320162Sdavidcs */ 236320162Sdavidcsstruct iscsi_dif_flags 237320162Sdavidcs{ 238320162Sdavidcs u8 flags; 239320162Sdavidcs#define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF /* Protection log interval (9=512 10=1024 11=2048 12=4096 13=8192) */ 240320162Sdavidcs#define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 241320162Sdavidcs#define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 /* If DIF protection is configured against target (0=no, 1=yes) */ 242320162Sdavidcs#define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 243320162Sdavidcs#define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7 /* If DIF/DIX protection is configured against the host (0=none, 1=DIF, 2=DIX 2 bytes, 3=DIX 4 bytes, 4=DIX 8 bytes) */ 244320162Sdavidcs#define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 245320162Sdavidcs}; 246316485Sdavidcs 247316485Sdavidcs/* 248320162Sdavidcs * The iscsi storm task context of Ystorm 249320162Sdavidcs */ 250320162Sdavidcsstruct ystorm_iscsi_task_state 251320162Sdavidcs{ 252320162Sdavidcs struct scsi_cached_sges data_desc; 253320162Sdavidcs struct scsi_sgl_params sgl_params; 254320162Sdavidcs __le32 exp_r2t_sn /* Initiator mode - Expected R2T PDU index in sequence. [variable, initialized 0] */; 255320162Sdavidcs __le32 buffer_offset /* Payload data offset */; 256320162Sdavidcs union iscsi_seq_num seq_num /* PDU index in sequence */; 257320162Sdavidcs struct iscsi_dif_flags dif_flags /* Dif flags */; 258320162Sdavidcs u8 flags; 259337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1 /* local_completion */ 260337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0 261337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1 /* Equals 1 if SGL is predicted and 0 otherwise. */ 262337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1 263337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_MASK 0x1 /* Indication for Ystorm that TDIFs offsetInIo is not synced with buffer_offset */ 264337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_SHIFT 2 265337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x1F 266337519Sdavidcs#define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 3 267320162Sdavidcs}; 268320162Sdavidcs 269320162Sdavidcs/* 270320162Sdavidcs * The iscsi storm task context of Ystorm 271320162Sdavidcs */ 272320162Sdavidcsstruct ystorm_iscsi_task_rxmit_opt 273320162Sdavidcs{ 274320162Sdavidcs __le32 fast_rxmit_sge_offset /* SGE offset from which to continue dummy-read or start fast retransmit */; 275320162Sdavidcs __le32 scan_start_buffer_offset /* Starting buffer offset of next retransmit SGL scan */; 276320162Sdavidcs __le32 fast_rxmit_buffer_offset /* Buffer offset from which to continue dummy-read or start fast retransmit */; 277320162Sdavidcs u8 scan_start_sgl_index /* Starting SGL index of next retransmit SGL scan */; 278320162Sdavidcs u8 fast_rxmit_sgl_index /* SGL index from which to continue dummy-read or start fast retransmit */; 279320162Sdavidcs __le16 reserved /* reserved */; 280320162Sdavidcs}; 281320162Sdavidcs 282320162Sdavidcs/* 283316485Sdavidcs * iSCSI Common PDU header 284316485Sdavidcs */ 285316485Sdavidcsstruct iscsi_common_hdr 286316485Sdavidcs{ 287316485Sdavidcs u8 hdr_status /* Status field of ISCSI header */; 288316485Sdavidcs u8 hdr_response /* Response field of ISCSI header for Responses / Reserved for Data-In */; 289316485Sdavidcs u8 hdr_flags /* Flags field of ISCSI header */; 290316485Sdavidcs u8 hdr_first_byte; 291316485Sdavidcs#define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F /* Opcode */ 292316485Sdavidcs#define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 293316485Sdavidcs#define ISCSI_COMMON_HDR_IMM_MASK 0x1 /* Immediate */ 294316485Sdavidcs#define ISCSI_COMMON_HDR_IMM_SHIFT 6 295316485Sdavidcs#define ISCSI_COMMON_HDR_RSRV_MASK 0x1 /* first bit of iSCSI PDU header */ 296316485Sdavidcs#define ISCSI_COMMON_HDR_RSRV_SHIFT 7 297316485Sdavidcs __le32 hdr_second_dword; 298316485Sdavidcs#define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 299316485Sdavidcs#define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 300316485Sdavidcs#define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 301316485Sdavidcs#define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 302316485Sdavidcs struct regpair lun_reserved /* Bytes 8..15 : LUN (if PDU contains a LUN field) or reserved */; 303316485Sdavidcs __le32 itt /* ITT - common to all headers */; 304316485Sdavidcs __le32 ttt /* bytes 20 to 23 - common ttt to various PDU headers */; 305316485Sdavidcs __le32 cmdstat_sn /* bytes 24 to 27 - common cmd_sn (initiator) or stat_sn (target) to various PDU headers */; 306316485Sdavidcs __le32 exp_statcmd_sn /* bytes 28 to 31 - common expected stat_sn (initiator) or cmd_sn (target) to various PDU headers */; 307316485Sdavidcs __le32 max_cmd_sn /* bytes 32 to 35 - common max cmd_sn to various PDU headers */; 308316485Sdavidcs __le32 data[3] /* bytes 36 to 47 */; 309316485Sdavidcs}; 310316485Sdavidcs 311316485Sdavidcs/* 312320162Sdavidcs * iSCSI Command PDU header 313316485Sdavidcs */ 314320162Sdavidcsstruct iscsi_cmd_hdr 315316485Sdavidcs{ 316320162Sdavidcs __le16 reserved1 /* reserved */; 317320162Sdavidcs u8 flags_attr; 318320162Sdavidcs#define ISCSI_CMD_HDR_ATTR_MASK 0x7 /* attributes */ 319320162Sdavidcs#define ISCSI_CMD_HDR_ATTR_SHIFT 0 320320162Sdavidcs#define ISCSI_CMD_HDR_RSRV_MASK 0x3 /* reserved */ 321320162Sdavidcs#define ISCSI_CMD_HDR_RSRV_SHIFT 3 322320162Sdavidcs#define ISCSI_CMD_HDR_WRITE_MASK 0x1 /* write */ 323320162Sdavidcs#define ISCSI_CMD_HDR_WRITE_SHIFT 5 324320162Sdavidcs#define ISCSI_CMD_HDR_READ_MASK 0x1 /* read */ 325320162Sdavidcs#define ISCSI_CMD_HDR_READ_SHIFT 6 326320162Sdavidcs#define ISCSI_CMD_HDR_FINAL_MASK 0x1 /* final */ 327320162Sdavidcs#define ISCSI_CMD_HDR_FINAL_SHIFT 7 328320162Sdavidcs u8 hdr_first_byte; 329320162Sdavidcs#define ISCSI_CMD_HDR_OPCODE_MASK 0x3F /* Opcode */ 330320162Sdavidcs#define ISCSI_CMD_HDR_OPCODE_SHIFT 0 331320162Sdavidcs#define ISCSI_CMD_HDR_IMM_MASK 0x1 /* Immediate delivery */ 332320162Sdavidcs#define ISCSI_CMD_HDR_IMM_SHIFT 6 333320162Sdavidcs#define ISCSI_CMD_HDR_RSRV1_MASK 0x1 /* first bit of iSCSI PDU header */ 334320162Sdavidcs#define ISCSI_CMD_HDR_RSRV1_SHIFT 7 335320162Sdavidcs __le32 hdr_second_dword; 336320162Sdavidcs#define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 337320162Sdavidcs#define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 338320162Sdavidcs#define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 339320162Sdavidcs#define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 340320162Sdavidcs struct regpair lun /* Logical Unit Number. [constant, initialized] */; 341320162Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 342320162Sdavidcs __le32 expected_transfer_length /* Expected Data Transfer Length (only 3 bytes are significant) */; 343320162Sdavidcs __le32 cmd_sn /* CmdSn. [constant, initialized] */; 344320162Sdavidcs __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 345320162Sdavidcs __le32 cdb[4] /* CDB. [constant, initialized] */; 346316485Sdavidcs}; 347316485Sdavidcs 348316485Sdavidcs/* 349316485Sdavidcs * iSCSI Command PDU header with Extended CDB (Initiator Mode) 350316485Sdavidcs */ 351316485Sdavidcsstruct iscsi_ext_cdb_cmd_hdr 352316485Sdavidcs{ 353316485Sdavidcs __le16 reserved1 /* reserved */; 354316485Sdavidcs u8 flags_attr; 355316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 /* attributes */ 356316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 357316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 /* reserved */ 358316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 359316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 /* write */ 360316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 361316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 /* read */ 362316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 363316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 /* final */ 364316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 365316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 366316485Sdavidcs __le32 hdr_second_dword; 367316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 368316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 369316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF /* The Extended CDB size in bytes. Maximum Extended CDB size supported is CDB 64B. */ 370316485Sdavidcs#define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 371316485Sdavidcs struct regpair lun /* Logical Unit Number. [constant, initialized] */; 372316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 373316485Sdavidcs __le32 expected_transfer_length /* Expected Data Transfer Length (only 3 bytes are significant) */; 374316485Sdavidcs __le32 cmd_sn /* CmdSn. [constant, initialized] */; 375316485Sdavidcs __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 376316485Sdavidcs struct scsi_sge cdb_sge /* Extended CDBs dedicated SGE */; 377316485Sdavidcs}; 378316485Sdavidcs 379316485Sdavidcs/* 380316485Sdavidcs * iSCSI login request PDU header 381316485Sdavidcs */ 382316485Sdavidcsstruct iscsi_login_req_hdr 383316485Sdavidcs{ 384316485Sdavidcs u8 version_min /* Version-min */; 385316485Sdavidcs u8 version_max /* Version-max */; 386316485Sdavidcs u8 flags_attr; 387316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 /* Next Stage (NSG) */ 388316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 389316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 /* Current stage (CSG) */ 390316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 391316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 /* reserved */ 392316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 393316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 /* C (Continue) bit */ 394316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 395316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 /* T (Transit) bit */ 396316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 397316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 398316485Sdavidcs __le32 hdr_second_dword; 399316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 400316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 401316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 402316485Sdavidcs#define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 403316485Sdavidcs __le32 isid_tabc /* Session identifier high double word [constant, initialized] */; 404316485Sdavidcs __le16 tsih /* TSIH */; 405316485Sdavidcs __le16 isid_d /* Session identifier low word [constant, initialized] */; 406316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 407316485Sdavidcs __le16 reserved1; 408316485Sdavidcs __le16 cid /* Unique Connection ID within the session [constant, initialized] */; 409316485Sdavidcs __le32 cmd_sn /* CmdSn. [constant, initialized] */; 410316485Sdavidcs __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 411316485Sdavidcs __le32 reserved2[4]; 412316485Sdavidcs}; 413316485Sdavidcs 414316485Sdavidcs/* 415316485Sdavidcs * iSCSI logout request PDU header 416316485Sdavidcs */ 417316485Sdavidcsstruct iscsi_logout_req_hdr 418316485Sdavidcs{ 419316485Sdavidcs __le16 reserved0 /* reserved */; 420316485Sdavidcs u8 reason_code /* Reason Code */; 421316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 422316485Sdavidcs __le32 reserved1; 423316485Sdavidcs __le32 reserved2[2] /* Reserved */; 424316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 425316485Sdavidcs __le16 reserved3 /* Reserved */; 426316485Sdavidcs __le16 cid /* Unique Connection ID within the session [constant, initialized] */; 427316485Sdavidcs __le32 cmd_sn /* CmdSn. [constant, initialized] */; 428316485Sdavidcs __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 429316485Sdavidcs __le32 reserved4[4] /* Reserved */; 430316485Sdavidcs}; 431316485Sdavidcs 432316485Sdavidcs/* 433316485Sdavidcs * iSCSI Data-out PDU header 434316485Sdavidcs */ 435316485Sdavidcsstruct iscsi_data_out_hdr 436316485Sdavidcs{ 437316485Sdavidcs __le16 reserved1 /* reserved */; 438316485Sdavidcs u8 flags_attr; 439316485Sdavidcs#define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F /* reserved */ 440316485Sdavidcs#define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 441316485Sdavidcs#define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 /* final */ 442316485Sdavidcs#define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 443316485Sdavidcs u8 opcode /* opcode */; 444316485Sdavidcs __le32 reserved2 /* reserved */; 445316485Sdavidcs struct regpair lun /* Logical Unit Number */; 446316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 447316485Sdavidcs __le32 ttt /* Target Transfer Tag (from R2T) */; 448316485Sdavidcs __le32 reserved3 /* resrved */; 449316485Sdavidcs __le32 exp_stat_sn /* Expected StatSn */; 450316485Sdavidcs __le32 reserved4 /* resrved */; 451316485Sdavidcs __le32 data_sn /* DataSN - PDU index in sequnece */; 452316485Sdavidcs __le32 buffer_offset /* Buffer Offset - offset in task */; 453316485Sdavidcs __le32 reserved5 /* resrved */; 454316485Sdavidcs}; 455316485Sdavidcs 456316485Sdavidcs/* 457316485Sdavidcs * iSCSI Data-in PDU header 458316485Sdavidcs */ 459316485Sdavidcsstruct iscsi_data_in_hdr 460316485Sdavidcs{ 461316485Sdavidcs u8 status_rsvd /* Status or reserved */; 462316485Sdavidcs u8 reserved1 /* reserved */; 463316485Sdavidcs u8 flags; 464316485Sdavidcs#define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 /* Status */ 465316485Sdavidcs#define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 466316485Sdavidcs#define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 /* Residual Underflow */ 467316485Sdavidcs#define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 468316485Sdavidcs#define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 /* Residual Overflow */ 469316485Sdavidcs#define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 470316485Sdavidcs#define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 /* reserved - 0 */ 471316485Sdavidcs#define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 472316485Sdavidcs#define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 /* Acknowledge */ 473316485Sdavidcs#define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 474316485Sdavidcs#define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 /* final */ 475316485Sdavidcs#define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 476316485Sdavidcs u8 opcode /* opcode */; 477316485Sdavidcs __le32 reserved2 /* reserved */; 478316485Sdavidcs struct regpair lun /* Logical Unit Number */; 479316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 480316485Sdavidcs __le32 ttt /* Target Transfer Tag (from R2T) */; 481316485Sdavidcs __le32 stat_sn /* StatSN or reserved */; 482316485Sdavidcs __le32 exp_cmd_sn /* Expected CmdSn */; 483316485Sdavidcs __le32 max_cmd_sn /* MaxCmdSn */; 484316485Sdavidcs __le32 data_sn /* DataSN - PDU index in sequnece */; 485316485Sdavidcs __le32 buffer_offset /* Buffer Offset - offset in task */; 486316485Sdavidcs __le32 residual_count /* Residual Count */; 487316485Sdavidcs}; 488316485Sdavidcs 489316485Sdavidcs/* 490316485Sdavidcs * iSCSI R2T PDU header 491316485Sdavidcs */ 492316485Sdavidcsstruct iscsi_r2t_hdr 493316485Sdavidcs{ 494316485Sdavidcs u8 reserved0[3] /* reserved */; 495316485Sdavidcs u8 opcode /* opcode */; 496316485Sdavidcs __le32 reserved2 /* reserved */; 497316485Sdavidcs struct regpair lun /* Logical Unit Number */; 498316485Sdavidcs __le32 itt /* Initiator Task Tag */; 499316485Sdavidcs __le32 ttt /* Target Transfer Tag */; 500316485Sdavidcs __le32 stat_sn /* stat sn */; 501316485Sdavidcs __le32 exp_cmd_sn /* Expected CmdSn */; 502316485Sdavidcs __le32 max_cmd_sn /* Max CmdSn */; 503316485Sdavidcs __le32 r2t_sn /* DataSN - PDU index in sequnece */; 504316485Sdavidcs __le32 buffer_offset /* Buffer Offset - offset in task */; 505316485Sdavidcs __le32 desired_data_trns_len /* Desired data trnsfer len */; 506316485Sdavidcs}; 507316485Sdavidcs 508316485Sdavidcs/* 509316485Sdavidcs * iSCSI NOP-out PDU header 510316485Sdavidcs */ 511316485Sdavidcsstruct iscsi_nop_out_hdr 512316485Sdavidcs{ 513316485Sdavidcs __le16 reserved1 /* reserved */; 514316485Sdavidcs u8 flags_attr; 515316485Sdavidcs#define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F /* reserved */ 516316485Sdavidcs#define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 517316485Sdavidcs#define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 /* const1 */ 518316485Sdavidcs#define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 519316485Sdavidcs u8 opcode /* opcode */; 520316485Sdavidcs __le32 reserved2 /* reserved */; 521316485Sdavidcs struct regpair lun /* Logical Unit Number */; 522316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 523316485Sdavidcs __le32 ttt /* Target Transfer Tag (from R2T) */; 524316485Sdavidcs __le32 cmd_sn /* CmdSN */; 525316485Sdavidcs __le32 exp_stat_sn /* Expected StatSn */; 526316485Sdavidcs __le32 reserved3 /* reserved */; 527316485Sdavidcs __le32 reserved4 /* reserved */; 528316485Sdavidcs __le32 reserved5 /* reserved */; 529316485Sdavidcs __le32 reserved6 /* reserved */; 530316485Sdavidcs}; 531316485Sdavidcs 532316485Sdavidcs/* 533316485Sdavidcs * iSCSI NOP-in PDU header 534316485Sdavidcs */ 535316485Sdavidcsstruct iscsi_nop_in_hdr 536316485Sdavidcs{ 537316485Sdavidcs __le16 reserved0 /* reserved */; 538316485Sdavidcs u8 flags_attr; 539316485Sdavidcs#define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F /* reserved */ 540316485Sdavidcs#define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 541316485Sdavidcs#define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 /* const1 */ 542316485Sdavidcs#define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 543316485Sdavidcs u8 opcode /* opcode */; 544316485Sdavidcs __le32 hdr_second_dword; 545316485Sdavidcs#define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 546316485Sdavidcs#define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 547316485Sdavidcs#define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 548316485Sdavidcs#define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 549316485Sdavidcs struct regpair lun /* Logical Unit Number */; 550316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 551316485Sdavidcs __le32 ttt /* Target Transfer Tag */; 552316485Sdavidcs __le32 stat_sn /* stat_sn */; 553316485Sdavidcs __le32 exp_cmd_sn /* exp_cmd_sn */; 554316485Sdavidcs __le32 max_cmd_sn /* max_cmd_sn */; 555316485Sdavidcs __le32 reserved5 /* reserved */; 556316485Sdavidcs __le32 reserved6 /* reserved */; 557316485Sdavidcs __le32 reserved7 /* reserved */; 558316485Sdavidcs}; 559316485Sdavidcs 560316485Sdavidcs/* 561316485Sdavidcs * iSCSI Login Response PDU header 562316485Sdavidcs */ 563316485Sdavidcsstruct iscsi_login_response_hdr 564316485Sdavidcs{ 565316485Sdavidcs u8 version_active /* Version-active */; 566316485Sdavidcs u8 version_max /* Version-max */; 567316485Sdavidcs u8 flags_attr; 568316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 /* Next Stage (NSG) */ 569316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 570316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 /* Current stage (CSG) */ 571316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 572316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 /* reserved */ 573316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 574316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 /* C (Continue) bit */ 575316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 576316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 /* T (Transit) bit */ 577316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 578316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 579316485Sdavidcs __le32 hdr_second_dword; 580316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 581316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 582316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 583316485Sdavidcs#define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 584316485Sdavidcs __le32 isid_tabc /* Session identifier high double word [constant, initialized] */; 585316485Sdavidcs __le16 tsih /* TSIH */; 586316485Sdavidcs __le16 isid_d /* Session identifier low word [constant, initialized] */; 587316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 588316485Sdavidcs __le32 reserved1; 589316485Sdavidcs __le32 stat_sn /* CmdSn. [constant, initialized] */; 590316485Sdavidcs __le32 exp_cmd_sn /* various fields for middle-path PDU. [constant, initialized] */; 591316485Sdavidcs __le32 max_cmd_sn /* max_cmd_sn */; 592316485Sdavidcs __le16 reserved2; 593316485Sdavidcs u8 status_detail /* status_detail */; 594316485Sdavidcs u8 status_class /* status_class */; 595316485Sdavidcs __le32 reserved4[2]; 596316485Sdavidcs}; 597316485Sdavidcs 598316485Sdavidcs/* 599316485Sdavidcs * iSCSI Logout Response PDU header 600316485Sdavidcs */ 601316485Sdavidcsstruct iscsi_logout_response_hdr 602316485Sdavidcs{ 603316485Sdavidcs u8 reserved1 /* reserved */; 604316485Sdavidcs u8 response /* response */; 605316485Sdavidcs u8 flags /* flags and attributes */; 606316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 607316485Sdavidcs __le32 hdr_second_dword; 608316485Sdavidcs#define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 609316485Sdavidcs#define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 610316485Sdavidcs#define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 611316485Sdavidcs#define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 612316485Sdavidcs __le32 reserved2[2] /* Reserved */; 613316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 614316485Sdavidcs __le32 reserved3 /* Reserved */; 615316485Sdavidcs __le32 stat_sn /* CmdSN */; 616316485Sdavidcs __le32 exp_cmd_sn /* Expected StatSn */; 617316485Sdavidcs __le32 max_cmd_sn /* CmdSN */; 618316485Sdavidcs __le32 reserved4 /* Reserved */; 619316485Sdavidcs __le16 time_2_retain /* Time to Retain */; 620316485Sdavidcs __le16 time_2_wait /* Time to wait */; 621316485Sdavidcs __le32 reserved5[1] /* Reserved */; 622316485Sdavidcs}; 623316485Sdavidcs 624316485Sdavidcs/* 625316485Sdavidcs * iSCSI Text Request PDU header 626316485Sdavidcs */ 627316485Sdavidcsstruct iscsi_text_request_hdr 628316485Sdavidcs{ 629316485Sdavidcs __le16 reserved0 /* reserved */; 630316485Sdavidcs u8 flags_attr; 631316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F /* reserved */ 632316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 633316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 /* C (Continue) bit */ 634316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 635316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 /* F (Final) bit */ 636316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 637316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 638316485Sdavidcs __le32 hdr_second_dword; 639316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 640316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 641316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 642316485Sdavidcs#define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 643316485Sdavidcs struct regpair lun /* Logical Unit Number */; 644316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 645316485Sdavidcs __le32 ttt /* Referenced Task Tag or 0xffffffff */; 646316485Sdavidcs __le32 cmd_sn /* cmd_sn */; 647316485Sdavidcs __le32 exp_stat_sn /* exp_stat_sn */; 648316485Sdavidcs __le32 reserved4[4] /* Reserved */; 649316485Sdavidcs}; 650316485Sdavidcs 651316485Sdavidcs/* 652316485Sdavidcs * iSCSI Text Response PDU header 653316485Sdavidcs */ 654316485Sdavidcsstruct iscsi_text_response_hdr 655316485Sdavidcs{ 656316485Sdavidcs __le16 reserved1 /* reserved */; 657316485Sdavidcs u8 flags; 658316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F /* reserved */ 659316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 660316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 /* C (Continue) bit */ 661316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 662316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 /* F (Final) bit */ 663316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 664316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 665316485Sdavidcs __le32 hdr_second_dword; 666316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 667316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 668316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 669316485Sdavidcs#define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 670316485Sdavidcs struct regpair lun /* Logical Unit Number */; 671316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 672316485Sdavidcs __le32 ttt /* Target Task Tag */; 673316485Sdavidcs __le32 stat_sn /* CmdSN */; 674316485Sdavidcs __le32 exp_cmd_sn /* Expected StatSn */; 675316485Sdavidcs __le32 max_cmd_sn /* CmdSN */; 676316485Sdavidcs __le32 reserved4[3] /* Reserved */; 677316485Sdavidcs}; 678316485Sdavidcs 679316485Sdavidcs/* 680316485Sdavidcs * iSCSI TMF Request PDU header 681316485Sdavidcs */ 682316485Sdavidcsstruct iscsi_tmf_request_hdr 683316485Sdavidcs{ 684316485Sdavidcs __le16 reserved0 /* reserved */; 685316485Sdavidcs u8 function /* function */; 686316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 687316485Sdavidcs __le32 hdr_second_dword; 688316485Sdavidcs#define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 689316485Sdavidcs#define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 690316485Sdavidcs#define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 691316485Sdavidcs#define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 692316485Sdavidcs struct regpair lun /* Logical Unit Number */; 693316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 694316485Sdavidcs __le32 rtt /* Referenced Task Tag or 0xffffffff */; 695316485Sdavidcs __le32 cmd_sn /* cmd_sn */; 696316485Sdavidcs __le32 exp_stat_sn /* exp_stat_sn */; 697316485Sdavidcs __le32 ref_cmd_sn /* ref_cmd_sn */; 698316485Sdavidcs __le32 exp_data_sn /* exp_data_sn */; 699316485Sdavidcs __le32 reserved4[2] /* Reserved */; 700316485Sdavidcs}; 701316485Sdavidcs 702316485Sdavidcsstruct iscsi_tmf_response_hdr 703316485Sdavidcs{ 704316485Sdavidcs u8 reserved2 /* reserved2 */; 705316485Sdavidcs u8 hdr_response /* Response field of ISCSI header for Responses / Reserved for Data-In */; 706316485Sdavidcs u8 hdr_flags /* Flags field of ISCSI header */; 707316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 708316485Sdavidcs __le32 hdr_second_dword; 709316485Sdavidcs#define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 710316485Sdavidcs#define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 711316485Sdavidcs#define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 712316485Sdavidcs#define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 713316485Sdavidcs struct regpair reserved0; 714316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 715316485Sdavidcs __le32 reserved1 /* Reserved */; 716316485Sdavidcs __le32 stat_sn /* stat_sn */; 717316485Sdavidcs __le32 exp_cmd_sn /* exp_cmd_sn */; 718316485Sdavidcs __le32 max_cmd_sn /* max_cmd_sn */; 719316485Sdavidcs __le32 reserved4[3] /* Reserved */; 720316485Sdavidcs}; 721316485Sdavidcs 722316485Sdavidcs/* 723316485Sdavidcs * iSCSI Response PDU header 724316485Sdavidcs */ 725316485Sdavidcsstruct iscsi_response_hdr 726316485Sdavidcs{ 727316485Sdavidcs u8 hdr_status /* Status field of ISCSI header */; 728316485Sdavidcs u8 hdr_response /* Response field of ISCSI header for Responses / Reserved for Data-In */; 729316485Sdavidcs u8 hdr_flags /* Flags field of ISCSI header */; 730316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 731316485Sdavidcs __le32 hdr_second_dword; 732316485Sdavidcs#define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 733316485Sdavidcs#define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 734316485Sdavidcs#define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 735316485Sdavidcs#define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 736316485Sdavidcs struct regpair lun /* Logical Unit Number */; 737316485Sdavidcs __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 738316485Sdavidcs __le32 snack_tag /* Currently ERL>0 is not supported */; 739316485Sdavidcs __le32 stat_sn /* CmdSN */; 740316485Sdavidcs __le32 exp_cmd_sn /* Expected StatSn */; 741316485Sdavidcs __le32 max_cmd_sn /* CmdSN */; 742316485Sdavidcs __le32 exp_data_sn /* exp_data_sn */; 743316485Sdavidcs __le32 bi_residual_count /* bi residual count */; 744316485Sdavidcs __le32 residual_count /* residual count */; 745316485Sdavidcs}; 746316485Sdavidcs 747316485Sdavidcs/* 748316485Sdavidcs * iSCSI Reject PDU header 749316485Sdavidcs */ 750316485Sdavidcsstruct iscsi_reject_hdr 751316485Sdavidcs{ 752316485Sdavidcs u8 reserved4 /* Reserved */; 753316485Sdavidcs u8 hdr_reason /* The reject reason */; 754316485Sdavidcs u8 hdr_flags /* Flags field of ISCSI header */; 755316485Sdavidcs u8 opcode /* opcode. [constant, initialized] */; 756316485Sdavidcs __le32 hdr_second_dword; 757316485Sdavidcs#define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 758316485Sdavidcs#define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 759316485Sdavidcs#define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 760316485Sdavidcs#define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 761316485Sdavidcs struct regpair reserved0; 762316485Sdavidcs __le32 all_ones; 763316485Sdavidcs __le32 reserved2; 764316485Sdavidcs __le32 stat_sn /* stat_sn */; 765316485Sdavidcs __le32 exp_cmd_sn /* exp_cmd_sn */; 766316485Sdavidcs __le32 max_cmd_sn /* max_cmd_sn */; 767316485Sdavidcs __le32 data_sn /* data_sn */; 768316485Sdavidcs __le32 reserved3[2] /* reserved3 */; 769316485Sdavidcs}; 770316485Sdavidcs 771316485Sdavidcs/* 772320162Sdavidcs * iSCSI Asynchronous Message PDU header 773320162Sdavidcs */ 774320162Sdavidcsstruct iscsi_async_msg_hdr 775320162Sdavidcs{ 776320162Sdavidcs __le16 reserved0 /* reserved */; 777320162Sdavidcs u8 flags_attr; 778320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F /* reserved */ 779320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 780320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 /* const1 */ 781320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 782320162Sdavidcs u8 opcode /* opcode */; 783320162Sdavidcs __le32 hdr_second_dword; 784320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 785320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 786320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 787320162Sdavidcs#define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 788320162Sdavidcs struct regpair lun /* Logical Unit Number */; 789320162Sdavidcs __le32 all_ones /* should be 0xffffffff */; 790320162Sdavidcs __le32 reserved1 /* reserved */; 791320162Sdavidcs __le32 stat_sn /* stat_sn */; 792320162Sdavidcs __le32 exp_cmd_sn /* exp_cmd_sn */; 793320162Sdavidcs __le32 max_cmd_sn /* max_cmd_sn */; 794320162Sdavidcs __le16 param1_rsrv /* Parameter1 or Reserved */; 795320162Sdavidcs u8 async_vcode /* AsuncVCode */; 796320162Sdavidcs u8 async_event /* AsyncEvent */; 797320162Sdavidcs __le16 param3_rsrv /* Parameter3 or Reserved */; 798320162Sdavidcs __le16 param2_rsrv /* Parameter2 or Reserved */; 799320162Sdavidcs __le32 reserved7 /* reserved */; 800320162Sdavidcs}; 801320162Sdavidcs 802320162Sdavidcs/* 803316485Sdavidcs * PDU header part of Ystorm task context 804316485Sdavidcs */ 805316485Sdavidcsunion iscsi_task_hdr 806316485Sdavidcs{ 807316485Sdavidcs struct iscsi_common_hdr common /* Command PDU header */; 808316485Sdavidcs struct data_hdr data /* Command PDU header */; 809316485Sdavidcs struct iscsi_cmd_hdr cmd /* Command PDU header */; 810316485Sdavidcs struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd /* Command PDU header with extended CDB - Initiator Mode */; 811316485Sdavidcs struct iscsi_login_req_hdr login_req /* Login request PDU header */; 812316485Sdavidcs struct iscsi_logout_req_hdr logout_req /* Logout request PDU header */; 813316485Sdavidcs struct iscsi_data_out_hdr data_out /* Data-out PDU header */; 814316485Sdavidcs struct iscsi_data_in_hdr data_in /* Data-in PDU header */; 815316485Sdavidcs struct iscsi_r2t_hdr r2t /* R2T PDU header */; 816316485Sdavidcs struct iscsi_nop_out_hdr nop_out /* NOP-out PDU header */; 817316485Sdavidcs struct iscsi_nop_in_hdr nop_in /* NOP-in PDU header */; 818316485Sdavidcs struct iscsi_login_response_hdr login_response /* Login response PDU header */; 819316485Sdavidcs struct iscsi_logout_response_hdr logout_response /* Logout response PDU header */; 820316485Sdavidcs struct iscsi_text_request_hdr text_request /* Text request PDU header */; 821316485Sdavidcs struct iscsi_text_response_hdr text_response /* Text response PDU header */; 822316485Sdavidcs struct iscsi_tmf_request_hdr tmf_request /* TMF request PDU header */; 823316485Sdavidcs struct iscsi_tmf_response_hdr tmf_response /* TMF response PDU header */; 824316485Sdavidcs struct iscsi_response_hdr response /* Text response PDU header */; 825316485Sdavidcs struct iscsi_reject_hdr reject /* Reject PDU header */; 826316485Sdavidcs struct iscsi_async_msg_hdr async_msg /* Asynchronous Message PDU header */; 827316485Sdavidcs}; 828316485Sdavidcs 829316485Sdavidcs/* 830320162Sdavidcs * The iscsi storm task context of Ystorm 831320162Sdavidcs */ 832320162Sdavidcsstruct ystorm_iscsi_task_st_ctx 833320162Sdavidcs{ 834320162Sdavidcs struct ystorm_iscsi_task_state state /* iSCSI task parameters and state */; 835320162Sdavidcs struct ystorm_iscsi_task_rxmit_opt rxmit_opt /* iSCSI retransmit optimizations parameters */; 836320162Sdavidcs union iscsi_task_hdr pdu_hdr /* PDU header - [constant initialized] */; 837320162Sdavidcs}; 838320162Sdavidcs 839320162Sdavidcsstruct e4_ystorm_iscsi_task_ag_ctx 840320162Sdavidcs{ 841320162Sdavidcs u8 reserved /* cdu_validation */; 842320162Sdavidcs u8 byte1 /* state */; 843320162Sdavidcs __le16 word0 /* icid */; 844320162Sdavidcs u8 flags0; 845320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 846320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 847320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 848320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 849320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 850320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 851320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 852320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 853337519Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_MASK 0x1 /* bit3 */ 854337519Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_SHIFT 7 855320162Sdavidcs u8 flags1; 856320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* cf0 */ 857320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 858320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 859320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 860320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 /* cf2special */ 861320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 862320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 863320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 864320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 865320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 866320162Sdavidcs u8 flags2; 867320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 868320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 869320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 870320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 871320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 872320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 873320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 874320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 875320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 876320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 877320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 878320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 879320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 880320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 881320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 882320162Sdavidcs#define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 883320162Sdavidcs u8 byte2 /* byte2 */; 884320162Sdavidcs __le32 TTT /* reg0 */; 885320162Sdavidcs u8 byte3 /* byte3 */; 886320162Sdavidcs u8 byte4 /* byte4 */; 887320162Sdavidcs __le16 word1 /* word1 */; 888320162Sdavidcs}; 889320162Sdavidcs 890320162Sdavidcsstruct e4_mstorm_iscsi_task_ag_ctx 891320162Sdavidcs{ 892320162Sdavidcs u8 cdu_validation /* cdu_validation */; 893320162Sdavidcs u8 byte1 /* state */; 894320162Sdavidcs __le16 task_cid /* icid */; 895320162Sdavidcs u8 flags0; 896320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 897320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 898320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 899320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 900320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 901320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 902320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 903320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 904320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 /* bit3 */ 905320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 906320162Sdavidcs u8 flags1; 907320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 /* cf0 */ 908320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 909320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 910320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 911320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* cf2 */ 912320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 913320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 /* cf0en */ 914320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 915320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 916320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 917320162Sdavidcs u8 flags2; 918320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 919320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 920320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 921320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 922320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 923320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 924320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 925320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 926320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 927320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 928320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 929320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 930320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 931320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 932320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 933320162Sdavidcs#define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 934320162Sdavidcs u8 byte2 /* byte2 */; 935320162Sdavidcs __le32 reg0 /* reg0 */; 936320162Sdavidcs u8 byte3 /* byte3 */; 937320162Sdavidcs u8 byte4 /* byte4 */; 938320162Sdavidcs __le16 word1 /* word1 */; 939320162Sdavidcs}; 940320162Sdavidcs 941320162Sdavidcsstruct e4_ustorm_iscsi_task_ag_ctx 942320162Sdavidcs{ 943320162Sdavidcs u8 reserved /* cdu_validation */; 944320162Sdavidcs u8 state /* state */; 945320162Sdavidcs __le16 icid /* icid */; 946320162Sdavidcs u8 flags0; 947320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 948320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 949320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 950320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 951320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 952320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 953320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 /* timer0cf */ 954320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 955320162Sdavidcs u8 flags1; 956320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 /* timer1cf */ 957320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 958320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 /* timer2cf */ 959320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 960320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 961320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 962320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 /* cf4 */ 963320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 964320162Sdavidcs u8 flags2; 965320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 /* cf0en */ 966320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 967320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 /* cf1en */ 968320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 969320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 /* cf2en */ 970320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 971320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 972320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 973320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 /* cf4en */ 974320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 975320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 /* rule0en */ 976320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 977320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 978320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 979320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 /* rule2en */ 980320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 981320162Sdavidcs u8 flags3; 982320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 983320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 984320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 985320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 986320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 987320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 988320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 989320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 990320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF /* nibble1 */ 991320162Sdavidcs#define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 992320162Sdavidcs __le32 dif_err_intervals /* reg0 */; 993320162Sdavidcs __le32 dif_error_1st_interval /* reg1 */; 994320162Sdavidcs __le32 rcv_cont_len /* reg2 */; 995320162Sdavidcs __le32 exp_cont_len /* reg3 */; 996320162Sdavidcs __le32 total_data_acked /* reg4 */; 997320162Sdavidcs __le32 exp_data_acked /* reg5 */; 998320162Sdavidcs u8 next_tid_valid /* byte2 */; 999320162Sdavidcs u8 byte3 /* byte3 */; 1000320162Sdavidcs __le16 word1 /* word1 */; 1001320162Sdavidcs __le16 next_tid /* word2 */; 1002320162Sdavidcs __le16 word3 /* word3 */; 1003320162Sdavidcs __le32 hdr_residual_count /* reg6 */; 1004320162Sdavidcs __le32 exp_r2t_sn /* reg7 */; 1005320162Sdavidcs}; 1006320162Sdavidcs 1007320162Sdavidcs/* 1008320162Sdavidcs * The iscsi storm task context of Mstorm 1009320162Sdavidcs */ 1010320162Sdavidcsstruct mstorm_iscsi_task_st_ctx 1011320162Sdavidcs{ 1012320162Sdavidcs struct scsi_cached_sges data_desc /* Union of Data SGL / cached sge */; 1013320162Sdavidcs struct scsi_sgl_params sgl_params; 1014320162Sdavidcs __le32 rem_task_size /* Remaining task size, used for placement verification */; 1015320162Sdavidcs __le32 data_buffer_offset /* Buffer offset */; 1016320162Sdavidcs u8 task_type /* Task type, (use: iscsi_task_type enum) */; 1017320162Sdavidcs struct iscsi_dif_flags dif_flags /* sizes of host/peer protection intervals + protection log interval */; 1018320162Sdavidcs __le16 dif_task_icid /* save tasks CID for validation - dif on immediate flow */; 1019320162Sdavidcs struct regpair sense_db /* Pointer to sense data buffer */; 1020320162Sdavidcs __le32 expected_itt /* ITT - for target mode validations */; 1021320162Sdavidcs __le32 reserved1 /* reserved1 */; 1022320162Sdavidcs}; 1023320162Sdavidcs 1024320162Sdavidcsstruct iscsi_reg1 1025320162Sdavidcs{ 1026320162Sdavidcs __le32 reg1_map; 1027320162Sdavidcs#define ISCSI_REG1_NUM_SGES_MASK 0xF /* Written to R2tQE */ 1028320162Sdavidcs#define ISCSI_REG1_NUM_SGES_SHIFT 0 1029320162Sdavidcs#define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF /* reserved */ 1030320162Sdavidcs#define ISCSI_REG1_RESERVED1_SHIFT 4 1031320162Sdavidcs}; 1032320162Sdavidcs 1033320162Sdavidcsstruct tqe_opaque 1034320162Sdavidcs{ 1035320162Sdavidcs __le16 opaque[2] /* TQe opaque */; 1036320162Sdavidcs}; 1037320162Sdavidcs 1038320162Sdavidcs/* 1039320162Sdavidcs * The iscsi storm task context of Ustorm 1040320162Sdavidcs */ 1041320162Sdavidcsstruct ustorm_iscsi_task_st_ctx 1042320162Sdavidcs{ 1043320162Sdavidcs __le32 rem_rcv_len /* Remaining data to be received in bytes. Used in validations */; 1044320162Sdavidcs __le32 exp_data_transfer_len /* iSCSI Initiator - The size of the transmitted task, iSCSI Target - the size of the Rx continuation */; 1045320162Sdavidcs __le32 exp_data_sn /* Expected data SN */; 1046320162Sdavidcs struct regpair lun /* LUN */; 1047320162Sdavidcs struct iscsi_reg1 reg1; 1048320162Sdavidcs u8 flags2; 1049320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 /* Initiator Mode - Mark AHS exist */ 1050320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 1051320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F 1052320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 1053320162Sdavidcs struct iscsi_dif_flags dif_flags /* Dif flags (written to R2T WQE) */; 1054320162Sdavidcs __le16 reserved3; 1055320162Sdavidcs struct tqe_opaque tqe_opaque_list; 1056320162Sdavidcs __le32 reserved5; 1057320162Sdavidcs __le32 reserved6; 1058320162Sdavidcs __le32 reserved7; 1059320162Sdavidcs u8 task_type /* Task Type */; 1060320162Sdavidcs u8 error_flags; 1061320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 /* Mark task with data digest error (1 bit) */ 1062320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 1063320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 /* Target Mode - Mark middle task error, data truncated */ 1064320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 1065320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 1066320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 1067320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F 1068320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 1069320162Sdavidcs u8 flags; 1070320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 /* mark task cqe write (for cleanup flow) */ 1071320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 1072320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 /* local completion bit */ 1073320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 1074320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 /* write R2TQE from Q0 flow */ 1075320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 1076320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 /* Mark total data acked or disabled */ 1077320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 1078320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 /* Mark HQ scanned or disabled */ 1079320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 1080320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 /* Mark HQ scanned or disabled */ 1081320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 1082320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 1083320162Sdavidcs#define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 1084320162Sdavidcs u8 cq_rss_number /* Task CQ_RSS number 0.63 */; 1085320162Sdavidcs}; 1086320162Sdavidcs 1087320162Sdavidcs/* 1088320162Sdavidcs * iscsi task context 1089320162Sdavidcs */ 1090320162Sdavidcsstruct e4_iscsi_task_context 1091320162Sdavidcs{ 1092320162Sdavidcs struct ystorm_iscsi_task_st_ctx ystorm_st_context /* ystorm storm context */; 1093320162Sdavidcs struct e4_ystorm_iscsi_task_ag_ctx ystorm_ag_context /* ystorm aggregative context */; 1094320162Sdavidcs struct regpair ystorm_ag_padding[2] /* padding */; 1095320162Sdavidcs struct tdif_task_context tdif_context /* tdif context */; 1096320162Sdavidcs struct e4_mstorm_iscsi_task_ag_ctx mstorm_ag_context /* mstorm aggregative context */; 1097320162Sdavidcs struct regpair mstorm_ag_padding[2] /* padding */; 1098320162Sdavidcs struct e4_ustorm_iscsi_task_ag_ctx ustorm_ag_context /* ustorm aggregative context */; 1099320162Sdavidcs struct mstorm_iscsi_task_st_ctx mstorm_st_context /* mstorm storm context */; 1100320162Sdavidcs struct ustorm_iscsi_task_st_ctx ustorm_st_context /* ustorm storm context */; 1101320162Sdavidcs struct rdif_task_context rdif_context /* rdif context */; 1102320162Sdavidcs}; 1103320162Sdavidcs 1104320162Sdavidcs 1105320162Sdavidcsstruct e5_ystorm_iscsi_task_ag_ctx 1106320162Sdavidcs{ 1107320162Sdavidcs u8 reserved /* cdu_validation */; 1108320162Sdavidcs u8 byte1 /* state_and_core_id */; 1109320162Sdavidcs __le16 word0 /* icid */; 1110320162Sdavidcs u8 flags0; 1111320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 1112320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1113320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 1114320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1115320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1116320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1117320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 1118320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1119320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 /* bit3 */ 1120320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1121320162Sdavidcs u8 flags1; 1122320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* cf0 */ 1123320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 1124320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 1125320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1126320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 /* cf2special */ 1127320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 1128320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 1129320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 1130320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1131320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1132320162Sdavidcs u8 flags2; 1133320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 1134320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1135320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1136320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1137320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1138320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1139320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1140320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1141320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1142320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1143320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1144320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1145320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1146320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1147320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1148320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1149320162Sdavidcs u8 flags3; 1150320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_MASK 0x1 /* bit5 */ 1151320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_SHIFT 0 1152320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_MASK 0x3 /* cf3 */ 1153320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_SHIFT 1 1154320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_MASK 0x3 /* cf4 */ 1155320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_SHIFT 3 1156320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_MASK 0x1 /* cf3en */ 1157320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_SHIFT 5 1158320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_MASK 0x1 /* cf4en */ 1159320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_SHIFT 6 1160320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_MASK 0x1 /* rule7en */ 1161320162Sdavidcs#define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_SHIFT 7 1162320162Sdavidcs __le32 TTT /* reg0 */; 1163320162Sdavidcs u8 byte2 /* byte2 */; 1164320162Sdavidcs u8 byte3 /* byte3 */; 1165320162Sdavidcs u8 byte4 /* byte4 */; 1166320162Sdavidcs u8 e4_reserved7 /* byte5 */; 1167320162Sdavidcs}; 1168320162Sdavidcs 1169320162Sdavidcsstruct e5_mstorm_iscsi_task_ag_ctx 1170320162Sdavidcs{ 1171320162Sdavidcs u8 cdu_validation /* cdu_validation */; 1172320162Sdavidcs u8 byte1 /* state_and_core_id */; 1173320162Sdavidcs __le16 task_cid /* icid */; 1174320162Sdavidcs u8 flags0; 1175320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 1176320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1177320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 1178320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1179320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1180320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1181320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 1182320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1183320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 /* bit3 */ 1184320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 1185320162Sdavidcs u8 flags1; 1186320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 /* cf0 */ 1187320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 1188320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 1189320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1190320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* cf2 */ 1191320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 1192320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 /* cf0en */ 1193320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 1194320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1195320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1196320162Sdavidcs u8 flags2; 1197320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 1198320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 1199320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1200320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1201320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1202320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1203320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1204320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1205320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1206320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1207320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1208320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1209320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1210320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1211320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1212320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1213320162Sdavidcs u8 flags3; 1214320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_MASK 0x1 /* bit4 */ 1215320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_SHIFT 0 1216320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_MASK 0x3 /* cf3 */ 1217320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_SHIFT 1 1218320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_MASK 0x3 /* cf4 */ 1219320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_SHIFT 3 1220320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_MASK 0x1 /* cf3en */ 1221320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_SHIFT 5 1222320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_MASK 0x1 /* cf4en */ 1223320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_SHIFT 6 1224320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_MASK 0x1 /* rule7en */ 1225320162Sdavidcs#define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_SHIFT 7 1226320162Sdavidcs __le32 reg0 /* reg0 */; 1227320162Sdavidcs u8 byte2 /* byte2 */; 1228320162Sdavidcs u8 byte3 /* byte3 */; 1229320162Sdavidcs u8 byte4 /* byte4 */; 1230320162Sdavidcs u8 e4_reserved7 /* byte5 */; 1231320162Sdavidcs}; 1232320162Sdavidcs 1233320162Sdavidcsstruct e5_ustorm_iscsi_task_ag_ctx 1234320162Sdavidcs{ 1235320162Sdavidcs u8 reserved /* cdu_validation */; 1236320162Sdavidcs u8 state_and_core_id /* state_and_core_id */; 1237320162Sdavidcs __le16 icid /* icid */; 1238320162Sdavidcs u8 flags0; 1239320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 1240320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1241320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 1242320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1243320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1244320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1245320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 /* timer0cf */ 1246320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 1247320162Sdavidcs u8 flags1; 1248320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 /* timer1cf */ 1249320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 1250320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 /* timer2cf */ 1251320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 1252320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 1253320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 1254320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 /* dif_error_cf */ 1255320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 1256320162Sdavidcs u8 flags2; 1257320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 /* cf0en */ 1258320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 1259320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 /* cf1en */ 1260320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 1261320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 /* cf2en */ 1262320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 1263320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 1264320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 1265320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 /* cf4en */ 1266320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 1267320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 /* rule0en */ 1268320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 1269320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1270320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 1271320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 /* rule2en */ 1272320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 1273320162Sdavidcs u8 flags3; 1274320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1275320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 1276320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1277320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 1278320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1279320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 1280320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1281320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 1282320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_MASK 0x1 /* bit2 */ 1283320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_SHIFT 4 1284320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_MASK 0x1 /* bit3 */ 1285320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_SHIFT 5 1286320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_MASK 0x1 /* bit4 */ 1287320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_SHIFT 6 1288320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_MASK 0x1 /* rule7en */ 1289320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_SHIFT 7 1290320162Sdavidcs u8 flags4; 1291320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_MASK 0x3 /* cf5 */ 1292320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_SHIFT 0 1293320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_MASK 0x1 /* cf5en */ 1294320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_SHIFT 2 1295320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED7_MASK 0x1 /* rule8en */ 1296320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED7_SHIFT 3 1297320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF /* dif_error_type */ 1298320162Sdavidcs#define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 1299320162Sdavidcs u8 next_tid_valid /* byte2 */; 1300320162Sdavidcs u8 byte3 /* byte3 */; 1301320162Sdavidcs u8 e4_reserved8 /* byte4 */; 1302320162Sdavidcs __le32 dif_err_intervals /* dif_err_intervals */; 1303320162Sdavidcs __le32 dif_error_1st_interval /* dif_error_1st_interval */; 1304320162Sdavidcs __le32 rcv_cont_len /* reg2 */; 1305320162Sdavidcs __le32 exp_cont_len /* reg3 */; 1306320162Sdavidcs __le32 total_data_acked /* reg4 */; 1307320162Sdavidcs __le32 exp_data_acked /* reg5 */; 1308320162Sdavidcs __le16 word1 /* word1 */; 1309320162Sdavidcs __le16 next_tid /* word2 */; 1310320162Sdavidcs __le32 hdr_residual_count /* reg6 */; 1311320162Sdavidcs __le32 exp_r2t_sn /* reg7 */; 1312320162Sdavidcs}; 1313320162Sdavidcs 1314320162Sdavidcs/* 1315320162Sdavidcs * iscsi task context 1316320162Sdavidcs */ 1317320162Sdavidcsstruct e5_iscsi_task_context 1318320162Sdavidcs{ 1319320162Sdavidcs struct ystorm_iscsi_task_st_ctx ystorm_st_context /* ystorm storm context */; 1320320162Sdavidcs struct e5_ystorm_iscsi_task_ag_ctx ystorm_ag_context /* ystorm aggregative context */; 1321320162Sdavidcs struct regpair ystorm_ag_padding[2] /* padding */; 1322320162Sdavidcs struct tdif_task_context tdif_context /* tdif context */; 1323320162Sdavidcs struct e5_mstorm_iscsi_task_ag_ctx mstorm_ag_context /* mstorm aggregative context */; 1324320162Sdavidcs struct regpair mstorm_ag_padding[2] /* padding */; 1325320162Sdavidcs struct e5_ustorm_iscsi_task_ag_ctx ustorm_ag_context /* ustorm aggregative context */; 1326320162Sdavidcs struct mstorm_iscsi_task_st_ctx mstorm_st_context /* mstorm storm context */; 1327320162Sdavidcs struct ustorm_iscsi_task_st_ctx ustorm_st_context /* ustorm storm context */; 1328320162Sdavidcs struct rdif_task_context rdif_context /* rdif context */; 1329320162Sdavidcs}; 1330320162Sdavidcs 1331320162Sdavidcs 1332320162Sdavidcs 1333320162Sdavidcs 1334320162Sdavidcs 1335320162Sdavidcs/* 1336320162Sdavidcs * ISCSI connection offload params passed by driver to FW in ISCSI offload ramrod 1337320162Sdavidcs */ 1338320162Sdavidcsstruct iscsi_conn_offload_params 1339320162Sdavidcs{ 1340320162Sdavidcs struct regpair sq_pbl_addr /* PBL SQ pointer */; 1341320162Sdavidcs struct regpair r2tq_pbl_addr /* PBL R2TQ pointer */; 1342320162Sdavidcs struct regpair xhq_pbl_addr /* PBL XHQ pointer */; 1343320162Sdavidcs struct regpair uhq_pbl_addr /* PBL UHQ pointer */; 1344320162Sdavidcs __le32 initial_ack /* Initial ack, received from TCP */; 1345320162Sdavidcs __le16 physical_q0 /* Physical QM queue to be tied to logical Q0 */; 1346320162Sdavidcs __le16 physical_q1 /* Physical QM queue to be tied to logical Q1 */; 1347320162Sdavidcs u8 flags; 1348320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 /* TCP connect/terminate option. 0 - TCP on host (option-1); 1 - TCP on chip (option-2). */ 1349320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 1350320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 /* iSCSI connect mode: 0-iSCSI Initiator, 1-iSCSI Target */ 1351320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 1352320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 /* Restricted mode: 0 - un-restricted (deviating from the RFC), 1 - restricted (according to the RFC) */ 1353320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 1354320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F /* reserved */ 1355320162Sdavidcs#define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3 1356320162Sdavidcs u8 pbl_page_size_log /* Page size with PBEs log; Page Size = 2^(page_size_log+12) */; 1357320162Sdavidcs u8 pbe_page_size_log /* PBE page size with log; Page Size = 2^(page_size_log+12) */; 1358320162Sdavidcs u8 default_cq /* Default CQ used to write unsolicited data */; 1359320162Sdavidcs __le32 stat_sn /* StatSn for Target Mode only: the first Login Response StatSn value for Target mode */; 1360320162Sdavidcs}; 1361320162Sdavidcs 1362320162Sdavidcs 1363320162Sdavidcs/* 1364337519Sdavidcs * iSCSI connection statistics 1365337519Sdavidcs */ 1366337519Sdavidcsstruct iscsi_conn_stats_params 1367337519Sdavidcs{ 1368337519Sdavidcs struct regpair iscsi_tcp_tx_packets_cnt /* Counts number of transmitted TCP packets for this iSCSI connection */; 1369337519Sdavidcs struct regpair iscsi_tcp_tx_bytes_cnt /* Counts number of transmitted TCP bytes for this iSCSI connection */; 1370337519Sdavidcs struct regpair iscsi_tcp_tx_rxmit_cnt /* Counts number of TCP retransmission events for this iSCSI connection */; 1371337519Sdavidcs struct regpair iscsi_tcp_rx_packets_cnt /* Counts number of received TCP packets for this iSCSI connection */; 1372337519Sdavidcs struct regpair iscsi_tcp_rx_bytes_cnt /* Counts number of received TCP bytes for this iSCSI connection */; 1373337519Sdavidcs struct regpair iscsi_tcp_rx_dup_ack_cnt /* Counts number of received TCP duplicate acks for this iSCSI connection */; 1374337519Sdavidcs __le32 iscsi_tcp_rx_chksum_err_cnt /* Counts number of received TCP packets with checksum err for this iSCSI connection */; 1375337519Sdavidcs __le32 reserved; 1376337519Sdavidcs}; 1377337519Sdavidcs 1378337519Sdavidcs 1379337519Sdavidcs/* 1380320162Sdavidcs * spe message header 1381320162Sdavidcs */ 1382320162Sdavidcsstruct iscsi_slow_path_hdr 1383320162Sdavidcs{ 1384320162Sdavidcs u8 op_code /* iscsi bus-drv message opcode */; 1385320162Sdavidcs u8 flags; 1386320162Sdavidcs#define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF 1387320162Sdavidcs#define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0 1388320162Sdavidcs#define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7 /* protocol layer (L2,L3,L4,L5) */ 1389320162Sdavidcs#define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4 1390320162Sdavidcs#define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1 1391320162Sdavidcs#define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7 1392320162Sdavidcs}; 1393320162Sdavidcs 1394320162Sdavidcs/* 1395320162Sdavidcs * ISCSI connection update params passed by driver to FW in ISCSI update ramrod 1396320162Sdavidcs */ 1397320162Sdavidcsstruct iscsi_conn_update_ramrod_params 1398320162Sdavidcs{ 1399320162Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1400320162Sdavidcs __le16 conn_id /* ISCSI Connection ID. (MOTI_COHEN : draft for DrvSim sake) */; 1401320162Sdavidcs __le32 fw_cid /* Context ID (cid) of the connection. (MOTI_COHEN : draft for DrvSim sake) */; 1402320162Sdavidcs u8 flags; 1403320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 /* Is header digest enabled */ 1404320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 1405320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 /* Is data digest enabled */ 1406320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 1407320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 /* Initial R2T */ 1408320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 1409320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 /* Immediate data */ 1410320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 1411320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1 /* 0 - 512B, 1 - 4K */ 1412320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4 1413320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1 /* 0 - no DIF, 1 - could be enabled per task */ 1414320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5 1415320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_MASK 0x1 /* Support DIF on immediate, 1-Yes, 0-No */ 1416320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_SHIFT 6 1417320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_MASK 0x1 /* valid only if dif_on_imm_en=1 Does this connection has dif configuration per Lun or Default dif configuration */ 1418320162Sdavidcs#define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_SHIFT 7 1419320162Sdavidcs u8 reserved0[3]; 1420320162Sdavidcs __le32 max_seq_size /* Maximum sequence size. Valid for TX and RX */; 1421320162Sdavidcs __le32 max_send_pdu_length /* Maximum PDU size. Valid for the TX */; 1422320162Sdavidcs __le32 max_recv_pdu_length /* Maximum PDU size. Valid for the RX */; 1423320162Sdavidcs __le32 first_seq_length /* Initial sequence length */; 1424320162Sdavidcs __le32 exp_stat_sn /* ExpStatSn - Option1 Only */; 1425320162Sdavidcs union dif_configuration_params dif_on_imme_params /* dif on immmediate params - Target mode Only */; 1426320162Sdavidcs}; 1427320162Sdavidcs 1428320162Sdavidcs 1429320162Sdavidcs/* 1430316485Sdavidcs * iSCSI CQ element 1431316485Sdavidcs */ 1432316485Sdavidcsstruct iscsi_cqe_common 1433316485Sdavidcs{ 1434316485Sdavidcs __le16 conn_id /* Drivers connection Id */; 1435337519Sdavidcs u8 cqe_type /* Indicates CQE type (use enum iscsi_cqes_type) */; 1436316485Sdavidcs union cqe_error_status error_bitmap /* CQE error status */; 1437316485Sdavidcs __le32 reserved[3]; 1438316485Sdavidcs union iscsi_task_hdr iscsi_hdr /* iscsi header union */; 1439316485Sdavidcs}; 1440316485Sdavidcs 1441316485Sdavidcs/* 1442316485Sdavidcs * iSCSI CQ element 1443316485Sdavidcs */ 1444316485Sdavidcsstruct iscsi_cqe_solicited 1445316485Sdavidcs{ 1446316485Sdavidcs __le16 conn_id /* Drivers connection Id */; 1447337519Sdavidcs u8 cqe_type /* Indicates CQE type (use enum iscsi_cqes_type) */; 1448316485Sdavidcs union cqe_error_status error_bitmap /* CQE error status */; 1449316485Sdavidcs __le16 itid /* initiator itt (Initiator mode) or target ttt (Target mode) */; 1450316485Sdavidcs u8 task_type /* Task type */; 1451316485Sdavidcs u8 fw_dbg_field /* FW debug params */; 1452316485Sdavidcs u8 caused_conn_err /* Equals 1 if this TID caused the connection error, otherwise equals 0. */; 1453316485Sdavidcs u8 reserved0[3]; 1454337519Sdavidcs __le32 data_truncated_bytes /* Target Mode only: Valid only if data_truncated_err equals 1: The remaining bytes till the end of the IO. */; 1455316485Sdavidcs union iscsi_task_hdr iscsi_hdr /* iscsi header union */; 1456316485Sdavidcs}; 1457316485Sdavidcs 1458316485Sdavidcs/* 1459316485Sdavidcs * iSCSI CQ element 1460316485Sdavidcs */ 1461316485Sdavidcsstruct iscsi_cqe_unsolicited 1462316485Sdavidcs{ 1463316485Sdavidcs __le16 conn_id /* Drivers connection Id */; 1464337519Sdavidcs u8 cqe_type /* Indicates CQE type (use enum iscsi_cqes_type) */; 1465316485Sdavidcs union cqe_error_status error_bitmap /* CQE error status */; 1466316485Sdavidcs __le16 reserved0 /* Reserved */; 1467316485Sdavidcs u8 reserved1 /* Reserved */; 1468337519Sdavidcs u8 unsol_cqe_type /* Represent this unsolicited CQE position in a sequence of packets belonging to the same unsolicited PDU (use enum iscsi_cqe_unsolicited_type) */; 1469320162Sdavidcs __le16 rqe_opaque /* Relevant for Unsolicited CQE only: The opaque data of RQ BDQ */; 1470320162Sdavidcs __le16 reserved2[3] /* Reserved */; 1471316485Sdavidcs union iscsi_task_hdr iscsi_hdr /* iscsi header union */; 1472316485Sdavidcs}; 1473316485Sdavidcs 1474316485Sdavidcs/* 1475316485Sdavidcs * iSCSI CQ element 1476316485Sdavidcs */ 1477316485Sdavidcsunion iscsi_cqe 1478316485Sdavidcs{ 1479316485Sdavidcs struct iscsi_cqe_common cqe_common /* Common CQE */; 1480316485Sdavidcs struct iscsi_cqe_solicited cqe_solicited /* Solicited CQE */; 1481316485Sdavidcs struct iscsi_cqe_unsolicited cqe_unsolicited /* Unsolicited CQE. relevant only when cqe_opcode == ISCSI_CQE_TYPE_UNSOLICITED */; 1482316485Sdavidcs}; 1483316485Sdavidcs 1484316485Sdavidcs 1485316485Sdavidcs/* 1486316485Sdavidcs * iSCSI CQE type 1487316485Sdavidcs */ 1488316485Sdavidcsenum iscsi_cqes_type 1489316485Sdavidcs{ 1490316485Sdavidcs ISCSI_CQE_TYPE_SOLICITED=1 /* iSCSI CQE with solicited data */, 1491316485Sdavidcs ISCSI_CQE_TYPE_UNSOLICITED /* iSCSI CQE with unsolicited data */, 1492316485Sdavidcs ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE /* iSCSI CQE with solicited with sense data */, 1493316485Sdavidcs ISCSI_CQE_TYPE_TASK_CLEANUP /* iSCSI CQE task cleanup */, 1494316485Sdavidcs ISCSI_CQE_TYPE_DUMMY /* iSCSI Dummy CQE */, 1495316485Sdavidcs MAX_ISCSI_CQES_TYPE 1496316485Sdavidcs}; 1497316485Sdavidcs 1498316485Sdavidcs 1499316485Sdavidcs 1500316485Sdavidcs 1501316485Sdavidcs 1502316485Sdavidcs/* 1503316485Sdavidcs * iSCSI CQE type 1504316485Sdavidcs */ 1505316485Sdavidcsenum iscsi_cqe_unsolicited_type 1506316485Sdavidcs{ 1507316485Sdavidcs ISCSI_CQE_UNSOLICITED_NONE /* iSCSI CQE with unsolicited data */, 1508316485Sdavidcs ISCSI_CQE_UNSOLICITED_SINGLE /* iSCSI CQE with unsolicited data */, 1509316485Sdavidcs ISCSI_CQE_UNSOLICITED_FIRST /* iSCSI CQE with unsolicited data */, 1510316485Sdavidcs ISCSI_CQE_UNSOLICITED_MIDDLE /* iSCSI CQE with unsolicited data */, 1511316485Sdavidcs ISCSI_CQE_UNSOLICITED_LAST /* iSCSI CQE with unsolicited data */, 1512316485Sdavidcs MAX_ISCSI_CQE_UNSOLICITED_TYPE 1513316485Sdavidcs}; 1514316485Sdavidcs 1515316485Sdavidcs 1516316485Sdavidcs 1517316485Sdavidcs 1518316485Sdavidcs/* 1519316485Sdavidcs * iscsi debug modes 1520316485Sdavidcs */ 1521316485Sdavidcsstruct iscsi_debug_modes 1522316485Sdavidcs{ 1523316485Sdavidcs u8 flags; 1524337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 /* Assert on Rx connection error */ 1525337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 1526337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 /* Assert if TCP RESET arrived */ 1527337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 1528337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 /* Assert if TCP FIN arrived */ 1529337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 1530337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 /* Assert if cleanup flow */ 1531337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 1532337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 /* Assert if REJECT PDU or ASYNC PDU arrived */ 1533337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 1534337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 /* Assert if NOP IN PDU or NOP OUT PDU arrived */ 1535337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 1536337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_MASK 0x1 /* Assert if DIF or data digest error */ 1537337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_SHIFT 6 1538337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_MASK 0x1 /* Assert if HQ corruption detected */ 1539337519Sdavidcs#define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_SHIFT 7 1540316485Sdavidcs}; 1541316485Sdavidcs 1542316485Sdavidcs 1543316485Sdavidcs 1544316485Sdavidcs/* 1545316485Sdavidcs * iSCSI kernel completion queue IDs 1546316485Sdavidcs */ 1547316485Sdavidcsenum iscsi_eqe_opcode 1548316485Sdavidcs{ 1549316485Sdavidcs ISCSI_EVENT_TYPE_INIT_FUNC=0 /* iSCSI response after init Ramrod */, 1550316485Sdavidcs ISCSI_EVENT_TYPE_DESTROY_FUNC /* iSCSI response after destroy Ramrod */, 1551316485Sdavidcs ISCSI_EVENT_TYPE_OFFLOAD_CONN /* iSCSI response after option 2 offload Ramrod */, 1552316485Sdavidcs ISCSI_EVENT_TYPE_UPDATE_CONN /* iSCSI response after update Ramrod */, 1553316485Sdavidcs ISCSI_EVENT_TYPE_CLEAR_SQ /* iSCSI response after clear sq Ramrod */, 1554316485Sdavidcs ISCSI_EVENT_TYPE_TERMINATE_CONN /* iSCSI response after termination Ramrod */, 1555316485Sdavidcs ISCSI_EVENT_TYPE_MAC_UPDATE_CONN /* iSCSI response after MAC address update Ramrod */, 1556337519Sdavidcs ISCSI_EVENT_TYPE_COLLECT_STATS_CONN /* iSCSI response after collecting connection statistics Ramrod */, 1557316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE /* iSCSI response after option 2 connect completed (A-syn EQE) */, 1558316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE /* iSCSI response after option 2 termination completed (A-syn EQE) */, 1559316485Sdavidcs ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES=10 /* Never returned in EQE, used to separate Regular event types from Error event types */, 1560320162Sdavidcs ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD /* iSCSI abort response after TCP RST packet recieve (A-syn EQE) */, 1561316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD /* iSCSI response after close receive (A-syn EQE) */, 1562316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_SYN_RCVD /* iSCSI response after TCP SYN+ACK packet receive (A-syn EQE) */, 1563316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME /* iSCSI error - tcp max retransmit time (A-syn EQE) */, 1564316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT /* iSCSI error - tcp max retransmit count (A-syn EQE) */, 1565316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT /* iSCSI error - tcp ka probes count (A-syn EQE) */, 1566316485Sdavidcs ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2 /* iSCSI error - tcp fin wait 2 (A-syn EQE) */, 1567316485Sdavidcs ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR /* iSCSI error response (A-syn EQE) */, 1568316485Sdavidcs ISCSI_EVENT_TYPE_TCP_CONN_ERROR /* iSCSI error - tcp error (A-syn EQE) */, 1569316485Sdavidcs MAX_ISCSI_EQE_OPCODE 1570316485Sdavidcs}; 1571316485Sdavidcs 1572316485Sdavidcs 1573316485Sdavidcs/* 1574316485Sdavidcs * iSCSI EQE and CQE completion status 1575316485Sdavidcs */ 1576316485Sdavidcsenum iscsi_error_types 1577316485Sdavidcs{ 1578316485Sdavidcs ISCSI_STATUS_NONE=0, 1579316485Sdavidcs ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN=1, 1580316485Sdavidcs ISCSI_CONN_ERROR_TASK_CID_MISMATCH /* iSCSI connection error - Corrupted Task context */, 1581316485Sdavidcs ISCSI_CONN_ERROR_TASK_NOT_VALID /* iSCSI connection error - The task is not valid */, 1582316485Sdavidcs ISCSI_CONN_ERROR_RQ_RING_IS_FULL /* iSCSI connection error - RQ full */, 1583316485Sdavidcs ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL /* iSCSI connection error - CMDQ full (Target only) */, 1584316485Sdavidcs ISCSI_CONN_ERROR_HQE_CACHING_FAILED /* iSCSI connection error - HQ error */, 1585316485Sdavidcs ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR /* iSCSI connection error - Header digest error */, 1586316485Sdavidcs ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR /* iSCSI connection error - Local completion bit is not correct (A-syn EQE) */, 1587316485Sdavidcs ISCSI_CONN_ERROR_DATA_OVERRUN /* iSCSI connection error - data overrun */, 1588316485Sdavidcs ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR /* iSCSI connection error - out of sges in task context */, 1589316485Sdavidcs ISCSI_CONN_ERROR_IP_OPTIONS_ERROR /* TCP connection error - IP option error */, 1590316485Sdavidcs ISCSI_CONN_ERROR_PRS_ERRORS /* TCP connection error - error indication form parser */, 1591316485Sdavidcs ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION /* TCP connection error - tcp options error(option 2 only) */, 1592316485Sdavidcs ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR /* TCP connection error - IP fragmentation error */, 1593316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN /* iSCSI connection error - invalid AHS length (Target only) */, 1594316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE /* iSCSI connection error - invalid AHS type (Target only) */, 1595316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE /* iSCSI connection error - invalid ITT */, 1596316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE /* iSCSI connection error - invalid TTT (Target only) */, 1597316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE /* iSCSI connection error - PDU data_seg_len > max receive pdu size */, 1598316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE /* iSCSI connection error - invalid PDU opcode */, 1599316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE /* iSCSI connection error - invalid PDU opcode before update ramrod (Option 2 only) */, 1600316485Sdavidcs ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL /* iSCSI connection error - NOPIN dsl > 0 and ITT = 0xffffffff (Initiator only) */, 1601316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA /* iSCSI connection error - R2T dsl > 0 (Initiator only) */, 1602316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN /* iSCSI connection error - DATA-SN error */, 1603316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT /* iSCSI connection error - DATA-IN TTT error (Initiator only) */, 1604316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT /* iSCSI connection error - DATA-OUT ITT error (Target only) */, 1605316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT /* iSCSI connection error - R2T TTT error (Initiator only) */, 1606316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET /* iSCSI connection error - R2T buffer offset error (Initiator only) */, 1607316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO /* iSCSI connection error - DATA PDU buffer offset error */, 1608316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN /* iSCSI connection error - R2T SN error (Initiator only) */, 1609316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 /* iSCSI connection error - R2T desired data transfer length = 0 (Initiator only) */, 1610316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 /* iSCSI connection error - R2T desired data transfer length less then max burst size (Initiator only) */, 1611316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2 /* iSCSI connection error - R2T desired data transfer length + buffer offset > task size (Initiator only) */, 1612316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN /* iSCSI connection error - R2T unvalid LUN (Initiator only) */, 1613316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO /* iSCSI connection error - All data has been already received, however it is not the end of sequence (Initiator only) */, 1614316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE /* iSCSI connection error - S-bit and final bit = 1 (Initiator only) */, 1615316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN /* iSCSI connection error - STAT SN error (Initiator only) */, 1616316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO /* iSCSI connection error - TMF or LOGOUT PDUs dsl > 0 (Initiator only) */, 1617316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL /* iSCSI connection error - CMD PDU dsl>0 while immediate data is disabled (Target only) */, 1618316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG /* iSCSI connection error - Data In overrun (Initiator only) */, 1619316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT /* iSCSI connection error - >1 outstanding R2T (Initiator only) */, 1620316485Sdavidcs ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX /* iSCSI connection error - DIF Tx error + DIF error drop is enabled (Target only) */, 1621316485Sdavidcs ISCSI_CONN_ERROR_SENSE_DATA_LENGTH /* iSCSI connection error - Sense data length > 256 (Initiator only) */, 1622316485Sdavidcs ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR /* iSCSI connection error - Data placement error */, 1623316485Sdavidcs ISCSI_CONN_ERROR_INVALID_ITT /* iSCSI connection error - Invalid ITT (Target Only) */, 1624316485Sdavidcs ISCSI_ERROR_UNKNOWN /* iSCSI connection error */, 1625316485Sdavidcs MAX_ISCSI_ERROR_TYPES 1626316485Sdavidcs}; 1627316485Sdavidcs 1628316485Sdavidcs 1629316485Sdavidcs 1630316485Sdavidcs 1631316485Sdavidcs 1632316485Sdavidcs 1633316485Sdavidcs 1634316485Sdavidcs 1635316485Sdavidcs 1636316485Sdavidcs 1637316485Sdavidcs/* 1638316485Sdavidcs * iSCSI Ramrod Command IDs 1639316485Sdavidcs */ 1640316485Sdavidcsenum iscsi_ramrod_cmd_id 1641316485Sdavidcs{ 1642316485Sdavidcs ISCSI_RAMROD_CMD_ID_UNUSED=0, 1643316485Sdavidcs ISCSI_RAMROD_CMD_ID_INIT_FUNC=1 /* iSCSI function init Ramrod */, 1644316485Sdavidcs ISCSI_RAMROD_CMD_ID_DESTROY_FUNC=2 /* iSCSI function destroy Ramrod */, 1645316485Sdavidcs ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN=3 /* iSCSI connection offload Ramrod */, 1646316485Sdavidcs ISCSI_RAMROD_CMD_ID_UPDATE_CONN=4 /* iSCSI connection update Ramrod */, 1647316485Sdavidcs ISCSI_RAMROD_CMD_ID_TERMINATION_CONN=5 /* iSCSI connection offload Ramrod. Command ID known only to FW and VBD */, 1648316485Sdavidcs ISCSI_RAMROD_CMD_ID_CLEAR_SQ=6 /* iSCSI connection clear-sq ramrod. */, 1649316485Sdavidcs ISCSI_RAMROD_CMD_ID_MAC_UPDATE=7 /* iSCSI connection update MAC address ramrod. */, 1650337519Sdavidcs ISCSI_RAMROD_CMD_ID_CONN_STATS=8 /* iSCSI collect connection statistics ramrod. */, 1651316485Sdavidcs MAX_ISCSI_RAMROD_CMD_ID 1652316485Sdavidcs}; 1653316485Sdavidcs 1654316485Sdavidcs 1655316485Sdavidcs 1656316485Sdavidcs 1657316485Sdavidcs 1658316485Sdavidcs 1659316485Sdavidcs 1660316485Sdavidcs/* 1661316485Sdavidcs * ISCSI connection termination request 1662316485Sdavidcs */ 1663316485Sdavidcsstruct iscsi_spe_conn_mac_update 1664316485Sdavidcs{ 1665316485Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1666316485Sdavidcs __le16 conn_id /* ISCSI Connection ID. */; 1667316485Sdavidcs __le32 fw_cid /* Context ID (cid) of the connection. */; 1668316485Sdavidcs __le16 remote_mac_addr_lo /* new remote mac address lo */; 1669316485Sdavidcs __le16 remote_mac_addr_mid /* new remote mac address mid */; 1670316485Sdavidcs __le16 remote_mac_addr_hi /* new remote mac address hi */; 1671316485Sdavidcs u8 reserved0[2]; 1672316485Sdavidcs}; 1673316485Sdavidcs 1674316485Sdavidcs 1675316485Sdavidcs/* 1676316485Sdavidcs * ISCSI and TCP connection(Option 1) offload params passed by driver to FW in ISCSI offload ramrod 1677316485Sdavidcs */ 1678316485Sdavidcsstruct iscsi_spe_conn_offload 1679316485Sdavidcs{ 1680316485Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1681316485Sdavidcs __le16 conn_id /* ISCSI Connection ID. */; 1682316485Sdavidcs __le32 fw_cid; 1683316485Sdavidcs struct iscsi_conn_offload_params iscsi /* iSCSI session offload params */; 1684316485Sdavidcs struct tcp_offload_params tcp /* iSCSI session offload params */; 1685316485Sdavidcs}; 1686316485Sdavidcs 1687316485Sdavidcs 1688316485Sdavidcs/* 1689316485Sdavidcs * ISCSI and TCP connection(Option 2) offload params passed by driver to FW in ISCSI offload ramrod 1690316485Sdavidcs */ 1691316485Sdavidcsstruct iscsi_spe_conn_offload_option2 1692316485Sdavidcs{ 1693316485Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1694316485Sdavidcs __le16 conn_id /* ISCSI Connection ID. */; 1695316485Sdavidcs __le32 fw_cid; 1696316485Sdavidcs struct iscsi_conn_offload_params iscsi /* iSCSI session offload params */; 1697316485Sdavidcs struct tcp_offload_params_opt2 tcp /* iSCSI session offload params */; 1698316485Sdavidcs}; 1699316485Sdavidcs 1700316485Sdavidcs 1701316485Sdavidcs/* 1702337519Sdavidcs * ISCSI collect connection statistics request 1703337519Sdavidcs */ 1704337519Sdavidcsstruct iscsi_spe_conn_statistics 1705337519Sdavidcs{ 1706337519Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1707337519Sdavidcs __le16 conn_id /* ISCSI Connection ID. */; 1708337519Sdavidcs __le32 fw_cid /* Context ID (cid) of the connection. */; 1709337519Sdavidcs u8 reset_stats /* Indicates whether to reset the connection statistics. */; 1710337519Sdavidcs u8 reserved0[7]; 1711337519Sdavidcs struct regpair stats_cnts_addr /* cmdq and unsolicited counters termination params */; 1712337519Sdavidcs}; 1713337519Sdavidcs 1714337519Sdavidcs 1715337519Sdavidcs/* 1716316485Sdavidcs * ISCSI connection termination request 1717316485Sdavidcs */ 1718316485Sdavidcsstruct iscsi_spe_conn_termination 1719316485Sdavidcs{ 1720316485Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1721316485Sdavidcs __le16 conn_id /* ISCSI Connection ID. */; 1722316485Sdavidcs __le32 fw_cid /* Context ID (cid) of the connection. */; 1723316485Sdavidcs u8 abortive /* Mark termination as abort(reset) flow */; 1724316485Sdavidcs u8 reserved0[7]; 1725316485Sdavidcs struct regpair queue_cnts_addr /* cmdq and unsolicited counters termination params */; 1726316485Sdavidcs struct regpair query_params_addr /* query_params_ptr */; 1727316485Sdavidcs}; 1728316485Sdavidcs 1729316485Sdavidcs 1730316485Sdavidcs/* 1731316485Sdavidcs * iSCSI firmware function destroy parameters 1732316485Sdavidcs */ 1733316485Sdavidcsstruct iscsi_spe_func_dstry 1734316485Sdavidcs{ 1735316485Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1736316485Sdavidcs __le16 reserved0; 1737316485Sdavidcs __le32 reserved1; 1738316485Sdavidcs}; 1739316485Sdavidcs 1740316485Sdavidcs 1741316485Sdavidcs/* 1742316485Sdavidcs * iSCSI firmware function init parameters 1743316485Sdavidcs */ 1744316485Sdavidcsstruct iscsi_spe_func_init 1745316485Sdavidcs{ 1746316485Sdavidcs struct iscsi_slow_path_hdr hdr /* spe message header. */; 1747316485Sdavidcs __le16 half_way_close_timeout /* Half Way Close Timeout in Option 2 Close */; 1748316485Sdavidcs u8 num_sq_pages_in_ring /* Number of entries in the SQ PBL. Provided by driver at function init spe */; 1749316485Sdavidcs u8 num_r2tq_pages_in_ring /* Number of entries in the R2TQ PBL. Provided by driver at function init spe */; 1750316485Sdavidcs u8 num_uhq_pages_in_ring /* Number of entries in the uHQ PBL (xHQ entries is X2). Provided by driver at function init spe */; 1751316485Sdavidcs u8 ll2_rx_queue_id /* Queue ID of the Light-L2 Rx Queue */; 1752337519Sdavidcs u8 flags; 1753337519Sdavidcs#define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_MASK 0x1 /* Enable counters - function and connection counters */ 1754337519Sdavidcs#define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_SHIFT 0 1755337519Sdavidcs#define ISCSI_SPE_FUNC_INIT_RESERVED0_MASK 0x7F /* reserved */ 1756337519Sdavidcs#define ISCSI_SPE_FUNC_INIT_RESERVED0_SHIFT 1 1757316485Sdavidcs struct iscsi_debug_modes debug_mode /* Use iscsi_debug_mode flags */; 1758316485Sdavidcs __le16 reserved1; 1759316485Sdavidcs __le32 reserved2; 1760316485Sdavidcs struct scsi_init_func_params func_params /* Common SCSI init params passed by driver to FW in function init ramrod */; 1761316485Sdavidcs struct scsi_init_func_queues q_params /* SCSI RQ/CQ firmware function init parameters */; 1762316485Sdavidcs}; 1763316485Sdavidcs 1764316485Sdavidcs 1765316485Sdavidcs 1766316485Sdavidcs/* 1767316485Sdavidcs * iSCSI task type 1768316485Sdavidcs */ 1769316485Sdavidcsenum iscsi_task_type 1770316485Sdavidcs{ 1771316485Sdavidcs ISCSI_TASK_TYPE_INITIATOR_WRITE, 1772316485Sdavidcs ISCSI_TASK_TYPE_INITIATOR_READ, 1773316485Sdavidcs ISCSI_TASK_TYPE_MIDPATH, 1774316485Sdavidcs ISCSI_TASK_TYPE_UNSOLIC, 1775316485Sdavidcs ISCSI_TASK_TYPE_EXCHCLEANUP, 1776316485Sdavidcs ISCSI_TASK_TYPE_IRRELEVANT, 1777316485Sdavidcs ISCSI_TASK_TYPE_TARGET_WRITE, 1778316485Sdavidcs ISCSI_TASK_TYPE_TARGET_READ, 1779316485Sdavidcs ISCSI_TASK_TYPE_TARGET_RESPONSE, 1780316485Sdavidcs ISCSI_TASK_TYPE_LOGIN_RESPONSE, 1781320162Sdavidcs ISCSI_TASK_TYPE_TARGET_IMM_W_DIF, 1782316485Sdavidcs MAX_ISCSI_TASK_TYPE 1783316485Sdavidcs}; 1784316485Sdavidcs 1785316485Sdavidcs 1786316485Sdavidcs 1787316485Sdavidcs 1788316485Sdavidcs 1789316485Sdavidcs 1790316485Sdavidcs/* 1791316485Sdavidcs * iSCSI DesiredDataTransferLength/ttt union 1792316485Sdavidcs */ 1793316485Sdavidcsunion iscsi_ttt_txlen_union 1794316485Sdavidcs{ 1795316485Sdavidcs __le32 desired_tx_len /* desired data transfer length */; 1796316485Sdavidcs __le32 ttt /* target transfer tag */; 1797316485Sdavidcs}; 1798316485Sdavidcs 1799316485Sdavidcs 1800316485Sdavidcs/* 1801316485Sdavidcs * iSCSI uHQ element 1802316485Sdavidcs */ 1803316485Sdavidcsstruct iscsi_uhqe 1804316485Sdavidcs{ 1805316485Sdavidcs __le32 reg1; 1806316485Sdavidcs#define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF /* iSCSI payload (doesnt include padding or digest) or AHS length */ 1807316485Sdavidcs#define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 1808316485Sdavidcs#define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 /* local compleiton flag */ 1809316485Sdavidcs#define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 1810316485Sdavidcs#define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 /* toggle bit to protect from uHQ full */ 1811316485Sdavidcs#define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 1812316485Sdavidcs#define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 /* indicates whether pdu_payload_len contains pure payload length. if not, pdu_payload_len is AHS length */ 1813316485Sdavidcs#define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 1814316485Sdavidcs#define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 /* indicates login pdu */ 1815316485Sdavidcs#define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 1816316485Sdavidcs#define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF /* most significant byte of task_id */ 1817316485Sdavidcs#define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 1818316485Sdavidcs __le32 reg2; 1819316485Sdavidcs#define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF /* absolute offset in task */ 1820316485Sdavidcs#define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 1821316485Sdavidcs#define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF /* least significant byte of task_id */ 1822316485Sdavidcs#define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 1823316485Sdavidcs}; 1824316485Sdavidcs 1825316485Sdavidcs 1826316485Sdavidcs/* 1827316485Sdavidcs * iSCSI WQ element 1828316485Sdavidcs */ 1829316485Sdavidcsstruct iscsi_wqe 1830316485Sdavidcs{ 1831316485Sdavidcs __le16 task_id /* The task identifier (itt) includes all the relevant information required for the task processing */; 1832316485Sdavidcs u8 flags; 1833316485Sdavidcs#define ISCSI_WQE_WQE_TYPE_MASK 0x7 /* Wqe type [use iscsi_wqe_type] */ 1834316485Sdavidcs#define ISCSI_WQE_WQE_TYPE_SHIFT 0 1835316485Sdavidcs#define ISCSI_WQE_NUM_SGES_MASK 0xF /* The driver will give a hint about sizes of SGEs for better credits evaluation at Xstorm */ 1836316485Sdavidcs#define ISCSI_WQE_NUM_SGES_SHIFT 3 1837316485Sdavidcs#define ISCSI_WQE_RESPONSE_MASK 0x1 /* 1 if this Wqe triggers a response and advances stat_sn, 0 otherwise */ 1838316485Sdavidcs#define ISCSI_WQE_RESPONSE_SHIFT 7 1839316485Sdavidcs struct iscsi_dif_flags prot_flags /* Task data-integrity flags (protection) */; 1840316485Sdavidcs __le32 contlen_cdbsize; 1841316485Sdavidcs#define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF /* expected/desired data transfer length */ 1842316485Sdavidcs#define ISCSI_WQE_CONT_LEN_SHIFT 0 1843316485Sdavidcs#define ISCSI_WQE_CDB_SIZE_MASK 0xFF /* Initiator mode only: equals SCSI command CDB size if extended CDB is used, otherwise equals zero. */ 1844316485Sdavidcs#define ISCSI_WQE_CDB_SIZE_SHIFT 24 1845316485Sdavidcs}; 1846316485Sdavidcs 1847316485Sdavidcs 1848316485Sdavidcs/* 1849316485Sdavidcs * iSCSI wqe type 1850316485Sdavidcs */ 1851316485Sdavidcsenum iscsi_wqe_type 1852316485Sdavidcs{ 1853316485Sdavidcs ISCSI_WQE_TYPE_NORMAL /* iSCSI WQE type normal. excluding status bit in target mode. */, 1854316485Sdavidcs ISCSI_WQE_TYPE_TASK_CLEANUP /* iSCSI WQE type task cleanup */, 1855316485Sdavidcs ISCSI_WQE_TYPE_MIDDLE_PATH /* iSCSI WQE type middle path */, 1856316485Sdavidcs ISCSI_WQE_TYPE_LOGIN /* iSCSI WQE type login */, 1857316485Sdavidcs ISCSI_WQE_TYPE_FIRST_R2T_CONT /* iSCSI WQE type First Write Continuation (Target) */, 1858316485Sdavidcs ISCSI_WQE_TYPE_NONFIRST_R2T_CONT /* iSCSI WQE type Non-First Write Continuation (Target) */, 1859316485Sdavidcs ISCSI_WQE_TYPE_RESPONSE /* iSCSI WQE type SCSI response */, 1860316485Sdavidcs MAX_ISCSI_WQE_TYPE 1861316485Sdavidcs}; 1862316485Sdavidcs 1863316485Sdavidcs 1864316485Sdavidcs/* 1865316485Sdavidcs * iSCSI xHQ element 1866316485Sdavidcs */ 1867316485Sdavidcsstruct iscsi_xhqe 1868316485Sdavidcs{ 1869316485Sdavidcs union iscsi_ttt_txlen_union ttt_or_txlen /* iSCSI DesiredDataTransferLength/ttt union */; 1870316485Sdavidcs __le32 exp_stat_sn /* expected StatSn */; 1871316485Sdavidcs struct iscsi_dif_flags prot_flags /* Task data-integrity flags (protection) */; 1872316485Sdavidcs u8 total_ahs_length /* Initiator mode only: Total AHS Length. greater than zero if and only if PDU is SCSI command and CDB > 16 */; 1873316485Sdavidcs u8 opcode /* Type opcode for command PDU */; 1874316485Sdavidcs u8 flags; 1875316485Sdavidcs#define ISCSI_XHQE_FINAL_MASK 0x1 /* The Final(F) for this PDU */ 1876316485Sdavidcs#define ISCSI_XHQE_FINAL_SHIFT 0 1877316485Sdavidcs#define ISCSI_XHQE_STATUS_BIT_MASK 0x1 /* Whether this PDU is Data-In PDU with status_bit = 1 */ 1878316485Sdavidcs#define ISCSI_XHQE_STATUS_BIT_SHIFT 1 1879316485Sdavidcs#define ISCSI_XHQE_NUM_SGES_MASK 0xF /* If Predicted IO equals Min(8, number of SGEs in SGL), otherwise equals 0 */ 1880316485Sdavidcs#define ISCSI_XHQE_NUM_SGES_SHIFT 2 1881316485Sdavidcs#define ISCSI_XHQE_RESERVED0_MASK 0x3 /* reserved */ 1882316485Sdavidcs#define ISCSI_XHQE_RESERVED0_SHIFT 6 1883316485Sdavidcs union iscsi_seq_num seq_num /* R2T/DataSN sequence number */; 1884316485Sdavidcs __le16 reserved1; 1885316485Sdavidcs}; 1886316485Sdavidcs 1887316485Sdavidcs 1888320162Sdavidcs 1889316485Sdavidcs/* 1890316485Sdavidcs * Per PF iSCSI receive path statistics - mStorm RAM structure 1891316485Sdavidcs */ 1892316485Sdavidcsstruct mstorm_iscsi_stats_drv 1893316485Sdavidcs{ 1894316485Sdavidcs struct regpair iscsi_rx_dropped_PDUs_task_not_valid /* Number of Rx silently dropped PDUs due to task not valid */; 1895337519Sdavidcs struct regpair iscsi_rx_dup_ack_cnt /* Received Dup-ACKs - after 3 dup ack, the counter doesnt count the same dup ack */; 1896316485Sdavidcs}; 1897316485Sdavidcs 1898316485Sdavidcs 1899316485Sdavidcs 1900316485Sdavidcs/* 1901316485Sdavidcs * Per PF iSCSI transmit path statistics - pStorm RAM structure 1902316485Sdavidcs */ 1903316485Sdavidcsstruct pstorm_iscsi_stats_drv 1904316485Sdavidcs{ 1905316485Sdavidcs struct regpair iscsi_tx_bytes_cnt /* Counts the number of tx bytes that were transmitted */; 1906316485Sdavidcs struct regpair iscsi_tx_packet_cnt /* Counts the number of tx packets that were transmitted */; 1907316485Sdavidcs}; 1908316485Sdavidcs 1909316485Sdavidcs 1910320162Sdavidcs 1911316485Sdavidcs/* 1912316485Sdavidcs * Per PF iSCSI receive path statistics - tStorm RAM structure 1913316485Sdavidcs */ 1914316485Sdavidcsstruct tstorm_iscsi_stats_drv 1915316485Sdavidcs{ 1916316485Sdavidcs struct regpair iscsi_rx_bytes_cnt /* Counts the number of rx bytes that were received */; 1917316485Sdavidcs struct regpair iscsi_rx_packet_cnt /* Counts the number of rx packets that were received */; 1918316485Sdavidcs struct regpair iscsi_rx_new_ooo_isle_events_cnt /* Counts the number of new out-of-order isle event */; 1919337519Sdavidcs struct regpair iscsi_rx_tcp_payload_bytes_cnt /* Received In-Order TCP Payload Bytes */; 1920337519Sdavidcs struct regpair iscsi_rx_tcp_pkt_cnt /* Received In-Order TCP Packets */; 1921337519Sdavidcs struct regpair iscsi_rx_pure_ack_cnt /* Received Pure-ACKs */; 1922316485Sdavidcs __le32 iscsi_cmdq_threshold_cnt /* Counts the number of times elements in cmdQ reached threshold */; 1923316485Sdavidcs __le32 iscsi_rq_threshold_cnt /* Counts the number of times elements in RQQ reached threshold */; 1924316485Sdavidcs __le32 iscsi_immq_threshold_cnt /* Counts the number of times elements in immQ reached threshold */; 1925316485Sdavidcs}; 1926316485Sdavidcs 1927316485Sdavidcs 1928316485Sdavidcs/* 1929316485Sdavidcs * Per PF iSCSI receive path statistics - uStorm RAM structure 1930316485Sdavidcs */ 1931316485Sdavidcsstruct ustorm_iscsi_stats_drv 1932316485Sdavidcs{ 1933316485Sdavidcs struct regpair iscsi_rx_data_pdu_cnt /* Number of data PDUs that were received */; 1934316485Sdavidcs struct regpair iscsi_rx_r2t_pdu_cnt /* Number of R2T PDUs that were received */; 1935316485Sdavidcs struct regpair iscsi_rx_total_pdu_cnt /* Number of total PDUs that were received */; 1936316485Sdavidcs}; 1937316485Sdavidcs 1938316485Sdavidcs 1939316485Sdavidcs 1940316485Sdavidcs/* 1941316485Sdavidcs * Per PF iSCSI transmit path statistics - xStorm RAM structure 1942316485Sdavidcs */ 1943316485Sdavidcsstruct xstorm_iscsi_stats_drv 1944316485Sdavidcs{ 1945316485Sdavidcs struct regpair iscsi_tx_go_to_slow_start_event_cnt /* Number of times slow start event occurred */; 1946316485Sdavidcs struct regpair iscsi_tx_fast_retransmit_event_cnt /* Number of times fast retransmit event occurred */; 1947337519Sdavidcs struct regpair iscsi_tx_pure_ack_cnt /* Transmitted Pure-ACKs */; 1948337519Sdavidcs struct regpair iscsi_tx_delayed_ack_cnt /* Transmitted Delayed ACKs */; 1949316485Sdavidcs}; 1950316485Sdavidcs 1951316485Sdavidcs 1952316485Sdavidcs/* 1953316485Sdavidcs * Per PF iSCSI transmit path statistics - yStorm RAM structure 1954316485Sdavidcs */ 1955316485Sdavidcsstruct ystorm_iscsi_stats_drv 1956316485Sdavidcs{ 1957316485Sdavidcs struct regpair iscsi_tx_data_pdu_cnt /* Number of data PDUs that were transmitted */; 1958316485Sdavidcs struct regpair iscsi_tx_r2t_pdu_cnt /* Number of R2T PDUs that were transmitted */; 1959316485Sdavidcs struct regpair iscsi_tx_total_pdu_cnt /* Number of total PDUs that were transmitted */; 1960337519Sdavidcs struct regpair iscsi_tx_tcp_payload_bytes_cnt /* Transmitted In-Order TCP Payload Bytes */; 1961337519Sdavidcs struct regpair iscsi_tx_tcp_pkt_cnt /* Transmitted In-Order TCP Packets */; 1962316485Sdavidcs}; 1963316485Sdavidcs 1964316485Sdavidcs 1965316485Sdavidcs 1966316485Sdavidcs 1967316485Sdavidcs 1968316485Sdavidcs 1969316485Sdavidcsstruct e4_tstorm_iscsi_task_ag_ctx 1970316485Sdavidcs{ 1971316485Sdavidcs u8 byte0 /* cdu_validation */; 1972316485Sdavidcs u8 byte1 /* state */; 1973316485Sdavidcs __le16 word0 /* icid */; 1974316485Sdavidcs u8 flags0; 1975316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 1976316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1977316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 1978316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1979316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1980316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1981316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 /* bit2 */ 1982316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 1983316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 /* bit3 */ 1984316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1985316485Sdavidcs u8 flags1; 1986316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 1987316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1988316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 /* bit5 */ 1989316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 1990316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* timer0cf */ 1991316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 1992316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* timer1cf */ 1993316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 1994316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* timer2cf */ 1995316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 1996316485Sdavidcs u8 flags2; 1997316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 1998316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 1999316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 /* cf4 */ 2000316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 2001316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 /* cf5 */ 2002316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 2003316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 /* cf6 */ 2004316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 2005316485Sdavidcs u8 flags3; 2006316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 /* cf7 */ 2007316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 2008316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 2009316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 2010316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 2011316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 2012316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 2013316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 2014316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 2015316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 2016316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 /* cf4en */ 2017316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 2018316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 /* cf5en */ 2019316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 2020316485Sdavidcs u8 flags4; 2021316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 /* cf6en */ 2022316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 2023316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 /* cf7en */ 2024316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 2025316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 2026316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 2027316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 2028316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 2029316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 2030316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 2031316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 2032316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 2033316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 2034316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 2035316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 2036316485Sdavidcs#define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 2037316485Sdavidcs u8 byte2 /* byte2 */; 2038316485Sdavidcs __le16 word1 /* word1 */; 2039316485Sdavidcs __le32 reg0 /* reg0 */; 2040316485Sdavidcs u8 byte3 /* byte3 */; 2041316485Sdavidcs u8 byte4 /* byte4 */; 2042316485Sdavidcs __le16 word2 /* word2 */; 2043316485Sdavidcs __le16 word3 /* word3 */; 2044316485Sdavidcs __le16 word4 /* word4 */; 2045316485Sdavidcs __le32 reg1 /* reg1 */; 2046316485Sdavidcs __le32 reg2 /* reg2 */; 2047316485Sdavidcs}; 2048316485Sdavidcs 2049316485Sdavidcs 2050316485Sdavidcs 2051316485Sdavidcs 2052316485Sdavidcs 2053316485Sdavidcsstruct e5_tstorm_iscsi_task_ag_ctx 2054316485Sdavidcs{ 2055316485Sdavidcs u8 byte0 /* cdu_validation */; 2056316485Sdavidcs u8 byte1 /* state_and_core_id */; 2057316485Sdavidcs __le16 word0 /* icid */; 2058316485Sdavidcs u8 flags0; 2059316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 2060316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 2061316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 2062316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 2063316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 2064316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 2065316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 /* bit2 */ 2066316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 2067316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 /* bit3 */ 2068316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 2069316485Sdavidcs u8 flags1; 2070316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 2071316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 2072316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 /* bit5 */ 2073316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 2074316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* timer0cf */ 2075316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 2076316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* timer1cf */ 2077316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 2078316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* timer2cf */ 2079316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 2080316485Sdavidcs u8 flags2; 2081316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 2082316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 2083316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 /* cf4 */ 2084316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 2085316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 /* cf5 */ 2086316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 2087316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 /* cf6 */ 2088316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 2089316485Sdavidcs u8 flags3; 2090316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 /* cf7 */ 2091316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 2092316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 2093316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 2094316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 2095316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 2096316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 2097316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 2098316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 2099316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 2100316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 /* cf4en */ 2101316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 2102316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 /* cf5en */ 2103316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 2104316485Sdavidcs u8 flags4; 2105316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 /* cf6en */ 2106316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 2107316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 /* cf7en */ 2108316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 2109316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 2110316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 2111316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 2112316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 2113316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 2114316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 2115316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 2116316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 2117316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 2118316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 2119316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 2120316485Sdavidcs#define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 2121316485Sdavidcs u8 byte2 /* byte2 */; 2122316485Sdavidcs __le16 word1 /* word1 */; 2123316485Sdavidcs __le32 reg0 /* reg0 */; 2124316485Sdavidcs u8 byte3 /* regpair0 */; 2125316485Sdavidcs u8 byte4 /* byte4 */; 2126316485Sdavidcs __le16 word2 /* word2 */; 2127316485Sdavidcs __le16 word3 /* word3 */; 2128316485Sdavidcs __le16 word4 /* word4 */; 2129316485Sdavidcs __le32 reg1 /* regpair1 */; 2130316485Sdavidcs __le32 reg2 /* reg2 */; 2131316485Sdavidcs}; 2132316485Sdavidcs 2133316485Sdavidcs 2134316485Sdavidcs 2135316485Sdavidcs 2136316485Sdavidcs/* 2137316485Sdavidcs * iSCSI doorbell data 2138316485Sdavidcs */ 2139316485Sdavidcsstruct iscsi_db_data 2140316485Sdavidcs{ 2141316485Sdavidcs u8 params; 2142316485Sdavidcs#define ISCSI_DB_DATA_DEST_MASK 0x3 /* destination of doorbell (use enum db_dest) */ 2143316485Sdavidcs#define ISCSI_DB_DATA_DEST_SHIFT 0 2144316485Sdavidcs#define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 /* aggregative command to CM (use enum db_agg_cmd_sel) */ 2145316485Sdavidcs#define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 2146316485Sdavidcs#define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */ 2147316485Sdavidcs#define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 2148316485Sdavidcs#define ISCSI_DB_DATA_RESERVED_MASK 0x1 2149316485Sdavidcs#define ISCSI_DB_DATA_RESERVED_SHIFT 5 2150316485Sdavidcs#define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 /* aggregative value selection */ 2151316485Sdavidcs#define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 2152316485Sdavidcs u8 agg_flags /* bit for every DQ counter flags in CM context that DQ can increment */; 2153316485Sdavidcs __le16 sq_prod; 2154316485Sdavidcs}; 2155316485Sdavidcs 2156316485Sdavidcs#endif /* __ISCSI_COMMON__ */ 2157