1*14b24e2bSVaishali Kulkarni /* 2*14b24e2bSVaishali Kulkarni * CDDL HEADER START 3*14b24e2bSVaishali Kulkarni * 4*14b24e2bSVaishali Kulkarni * The contents of this file are subject to the terms of the 5*14b24e2bSVaishali Kulkarni * Common Development and Distribution License, v.1, (the "License"). 6*14b24e2bSVaishali Kulkarni * You may not use this file except in compliance with the License. 7*14b24e2bSVaishali Kulkarni * 8*14b24e2bSVaishali Kulkarni * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*14b24e2bSVaishali Kulkarni * or http://opensource.org/licenses/CDDL-1.0. 10*14b24e2bSVaishali Kulkarni * See the License for the specific language governing permissions 11*14b24e2bSVaishali Kulkarni * and limitations under the License. 12*14b24e2bSVaishali Kulkarni * 13*14b24e2bSVaishali Kulkarni * When distributing Covered Code, include this CDDL HEADER in each 14*14b24e2bSVaishali Kulkarni * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*14b24e2bSVaishali Kulkarni * If applicable, add the following below this CDDL HEADER, with the 16*14b24e2bSVaishali Kulkarni * fields enclosed by brackets "[]" replaced with your own identifying 17*14b24e2bSVaishali Kulkarni * information: Portions Copyright [yyyy] [name of copyright owner] 18*14b24e2bSVaishali Kulkarni * 19*14b24e2bSVaishali Kulkarni * CDDL HEADER END 20*14b24e2bSVaishali Kulkarni */ 21*14b24e2bSVaishali Kulkarni 22*14b24e2bSVaishali Kulkarni /* 23*14b24e2bSVaishali Kulkarni * Copyright 2014-2017 Cavium, Inc. 24*14b24e2bSVaishali Kulkarni * The contents of this file are subject to the terms of the Common Development 25*14b24e2bSVaishali Kulkarni * and Distribution License, v.1, (the "License"). 26*14b24e2bSVaishali Kulkarni 27*14b24e2bSVaishali Kulkarni * You may not use this file except in compliance with the License. 28*14b24e2bSVaishali Kulkarni 29*14b24e2bSVaishali Kulkarni * You can obtain a copy of the License at available 30*14b24e2bSVaishali Kulkarni * at http://opensource.org/licenses/CDDL-1.0 31*14b24e2bSVaishali Kulkarni 32*14b24e2bSVaishali Kulkarni * See the License for the specific language governing permissions and 33*14b24e2bSVaishali Kulkarni * limitations under the License. 34*14b24e2bSVaishali Kulkarni */ 35*14b24e2bSVaishali Kulkarni 36*14b24e2bSVaishali Kulkarni #ifndef __ISCSI_COMMON__ 37*14b24e2bSVaishali Kulkarni #define __ISCSI_COMMON__ 38*14b24e2bSVaishali Kulkarni /**********************/ 39*14b24e2bSVaishali Kulkarni /* ISCSI FW CONSTANTS */ 40*14b24e2bSVaishali Kulkarni /**********************/ 41*14b24e2bSVaishali Kulkarni 42*14b24e2bSVaishali Kulkarni /* iSCSI HSI constants */ 43*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_MTU (1500) 44*14b24e2bSVaishali Kulkarni 45*14b24e2bSVaishali Kulkarni /* KWQ (kernel work queue) layer codes */ 46*14b24e2bSVaishali Kulkarni #define ISCSI_SLOW_PATH_LAYER_CODE (6) 47*14b24e2bSVaishali Kulkarni 48*14b24e2bSVaishali Kulkarni /* iSCSI parameter defaults */ 49*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_HEADER_DIGEST (0) 50*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_DATA_DIGEST (0) 51*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_INITIAL_R2T (1) 52*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_IMMEDIATE_DATA (1) 53*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000) 54*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000) 55*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000) 56*14b24e2bSVaishali Kulkarni #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) 57*14b24e2bSVaishali Kulkarni 58*14b24e2bSVaishali Kulkarni /* iSCSI parameter limits */ 59*14b24e2bSVaishali Kulkarni #define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200) 60*14b24e2bSVaishali Kulkarni #define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff) 61*14b24e2bSVaishali Kulkarni #define ISCSI_MIN_VAL_BURST_LENGTH (0x200) 62*14b24e2bSVaishali Kulkarni #define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff) 63*14b24e2bSVaishali Kulkarni #define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1) 64*14b24e2bSVaishali Kulkarni #define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff) // 0x10000 according to RFC 65*14b24e2bSVaishali Kulkarni 66*14b24e2bSVaishali Kulkarni #define ISCSI_AHS_CNTL_SIZE 4 67*14b24e2bSVaishali Kulkarni 68*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_NUM_SGES_SLOWIO (0xf) 69*14b24e2bSVaishali Kulkarni 70*14b24e2bSVaishali Kulkarni /* iSCSI reserved params */ 71*14b24e2bSVaishali Kulkarni #define ISCSI_ITT_ALL_ONES (0xffffffff) 72*14b24e2bSVaishali Kulkarni #define ISCSI_TTT_ALL_ONES (0xffffffff) 73*14b24e2bSVaishali Kulkarni 74*14b24e2bSVaishali Kulkarni #define ISCSI_OPTION_1_OFF_CHIP_TCP 1 75*14b24e2bSVaishali Kulkarni #define ISCSI_OPTION_2_ON_CHIP_TCP 2 76*14b24e2bSVaishali Kulkarni 77*14b24e2bSVaishali Kulkarni #define ISCSI_INITIATOR_MODE 0 78*14b24e2bSVaishali Kulkarni #define ISCSI_TARGET_MODE 1 79*14b24e2bSVaishali Kulkarni 80*14b24e2bSVaishali Kulkarni 81*14b24e2bSVaishali Kulkarni /* iSCSI request op codes */ 82*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_NOP_OUT (0) 83*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_SCSI_CMD (1) 84*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_TMF_REQUEST (2) 85*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_LOGIN_REQUEST (3) 86*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_TEXT_REQUEST (4) 87*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_DATA_OUT (5) 88*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_LOGOUT_REQUEST (6) 89*14b24e2bSVaishali Kulkarni 90*14b24e2bSVaishali Kulkarni /* iSCSI response/messages op codes */ 91*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_NOP_IN (0x20) 92*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_SCSI_RESPONSE (0x21) 93*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_TMF_RESPONSE (0x22) 94*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) 95*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_TEXT_RESPONSE (0x24) 96*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_DATA_IN (0x25) 97*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) 98*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_R2T (0x31) 99*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_ASYNC_MSG (0x32) 100*14b24e2bSVaishali Kulkarni #define ISCSI_OPCODE_REJECT (0x3f) 101*14b24e2bSVaishali Kulkarni 102*14b24e2bSVaishali Kulkarni /* iSCSI stages */ 103*14b24e2bSVaishali Kulkarni #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) 104*14b24e2bSVaishali Kulkarni #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) 105*14b24e2bSVaishali Kulkarni #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) 106*14b24e2bSVaishali Kulkarni 107*14b24e2bSVaishali Kulkarni /* iSCSI CQE errors */ 108*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) 109*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) 110*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) 111*14b24e2bSVaishali Kulkarni 112*14b24e2bSVaishali Kulkarni 113*14b24e2bSVaishali Kulkarni /* 114*14b24e2bSVaishali Kulkarni * ISCSI SGL entry 115*14b24e2bSVaishali Kulkarni */ 116*14b24e2bSVaishali Kulkarni struct cqe_error_bitmap 117*14b24e2bSVaishali Kulkarni { 118*14b24e2bSVaishali Kulkarni u8 cqe_error_status_bits; 119*14b24e2bSVaishali Kulkarni #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 */ 120*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 121*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 /* Mark task with data digest error (1 bit) */ 122*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 123*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 /* Mark receive on invalid connection */ 124*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 125*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 /* Target Mode - Mark middle task error, data truncated */ 126*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 127*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 128*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 129*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 130*14b24e2bSVaishali Kulkarni #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 131*14b24e2bSVaishali Kulkarni }; 132*14b24e2bSVaishali Kulkarni 133*14b24e2bSVaishali Kulkarni 134*14b24e2bSVaishali Kulkarni union cqe_error_status 135*14b24e2bSVaishali Kulkarni { 136*14b24e2bSVaishali Kulkarni u8 error_status /* all error bits as uint8 */; 137*14b24e2bSVaishali Kulkarni struct cqe_error_bitmap error_bits /* cqe errors bitmap */; 138*14b24e2bSVaishali Kulkarni }; 139*14b24e2bSVaishali Kulkarni 140*14b24e2bSVaishali Kulkarni 141*14b24e2bSVaishali Kulkarni /* 142*14b24e2bSVaishali Kulkarni * iSCSI Login Response PDU header 143*14b24e2bSVaishali Kulkarni */ 144*14b24e2bSVaishali Kulkarni struct data_hdr 145*14b24e2bSVaishali Kulkarni { 146*14b24e2bSVaishali Kulkarni __le32 data[12] /* iscsi header data */; 147*14b24e2bSVaishali Kulkarni }; 148*14b24e2bSVaishali Kulkarni 149*14b24e2bSVaishali Kulkarni 150*14b24e2bSVaishali Kulkarni /* 151*14b24e2bSVaishali Kulkarni * iSCSI Asynchronous Message PDU header 152*14b24e2bSVaishali Kulkarni */ 153*14b24e2bSVaishali Kulkarni struct iscsi_async_msg_hdr 154*14b24e2bSVaishali Kulkarni { 155*14b24e2bSVaishali Kulkarni __le16 reserved0 /* reserved */; 156*14b24e2bSVaishali Kulkarni u8 flags_attr; 157*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F /* reserved */ 158*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 159*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 /* const1 */ 160*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 161*14b24e2bSVaishali Kulkarni u8 opcode /* opcode */; 162*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 163*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 164*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 165*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 166*14b24e2bSVaishali Kulkarni #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 167*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 168*14b24e2bSVaishali Kulkarni __le32 all_ones /* should be 0xffffffff */; 169*14b24e2bSVaishali Kulkarni __le32 reserved1 /* reserved */; 170*14b24e2bSVaishali Kulkarni __le32 stat_sn /* stat_sn */; 171*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* exp_cmd_sn */; 172*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* max_cmd_sn */; 173*14b24e2bSVaishali Kulkarni __le16 param1_rsrv /* Parameter1 or Reserved */; 174*14b24e2bSVaishali Kulkarni u8 async_vcode /* AsuncVCode */; 175*14b24e2bSVaishali Kulkarni u8 async_event /* AsyncEvent */; 176*14b24e2bSVaishali Kulkarni __le16 param3_rsrv /* Parameter3 or Reserved */; 177*14b24e2bSVaishali Kulkarni __le16 param2_rsrv /* Parameter2 or Reserved */; 178*14b24e2bSVaishali Kulkarni __le32 reserved7 /* reserved */; 179*14b24e2bSVaishali Kulkarni }; 180*14b24e2bSVaishali Kulkarni 181*14b24e2bSVaishali Kulkarni 182*14b24e2bSVaishali Kulkarni /* 183*14b24e2bSVaishali Kulkarni * iSCSI Command PDU header 184*14b24e2bSVaishali Kulkarni */ 185*14b24e2bSVaishali Kulkarni struct iscsi_cmd_hdr 186*14b24e2bSVaishali Kulkarni { 187*14b24e2bSVaishali Kulkarni __le16 reserved1 /* reserved */; 188*14b24e2bSVaishali Kulkarni u8 flags_attr; 189*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_ATTR_MASK 0x7 /* attributes */ 190*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_ATTR_SHIFT 0 191*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_RSRV_MASK 0x3 /* reserved */ 192*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_RSRV_SHIFT 3 193*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_WRITE_MASK 0x1 /* write */ 194*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_WRITE_SHIFT 5 195*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_READ_MASK 0x1 /* read */ 196*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_READ_SHIFT 6 197*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_FINAL_MASK 0x1 /* final */ 198*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_FINAL_SHIFT 7 199*14b24e2bSVaishali Kulkarni u8 hdr_first_byte; 200*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_OPCODE_MASK 0x3F /* Opcode */ 201*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_OPCODE_SHIFT 0 202*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_IMM_MASK 0x1 /* Immediate delivery */ 203*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_IMM_SHIFT 6 204*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_RSRV1_MASK 0x1 /* first bit of iSCSI PDU header */ 205*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_RSRV1_SHIFT 7 206*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 207*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 208*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 209*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 210*14b24e2bSVaishali Kulkarni #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 211*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number. [constant, initialized] */; 212*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 213*14b24e2bSVaishali Kulkarni __le32 expected_transfer_length /* Expected Data Transfer Length (only 3 bytes are significant) */; 214*14b24e2bSVaishali Kulkarni __le32 cmd_sn /* CmdSn. [constant, initialized] */; 215*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 216*14b24e2bSVaishali Kulkarni __le32 cdb[4] /* CDB. [constant, initialized] */; 217*14b24e2bSVaishali Kulkarni }; 218*14b24e2bSVaishali Kulkarni 219*14b24e2bSVaishali Kulkarni 220*14b24e2bSVaishali Kulkarni /* 221*14b24e2bSVaishali Kulkarni * iSCSI Common PDU header 222*14b24e2bSVaishali Kulkarni */ 223*14b24e2bSVaishali Kulkarni struct iscsi_common_hdr 224*14b24e2bSVaishali Kulkarni { 225*14b24e2bSVaishali Kulkarni u8 hdr_status /* Status field of ISCSI header */; 226*14b24e2bSVaishali Kulkarni u8 hdr_response /* Response field of ISCSI header for Responses / Reserved for Data-In */; 227*14b24e2bSVaishali Kulkarni u8 hdr_flags /* Flags field of ISCSI header */; 228*14b24e2bSVaishali Kulkarni u8 hdr_first_byte; 229*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F /* Opcode */ 230*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 231*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_IMM_MASK 0x1 /* Immediate */ 232*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_IMM_SHIFT 6 233*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_RSRV_MASK 0x1 /* first bit of iSCSI PDU header */ 234*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_RSRV_SHIFT 7 235*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 236*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 237*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 238*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 239*14b24e2bSVaishali Kulkarni #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 240*14b24e2bSVaishali Kulkarni struct regpair lun_reserved /* Bytes 8..15 : LUN (if PDU contains a LUN field) or reserved */; 241*14b24e2bSVaishali Kulkarni __le32 itt /* ITT - common to all headers */; 242*14b24e2bSVaishali Kulkarni __le32 ttt /* bytes 20 to 23 - common ttt to various PDU headers */; 243*14b24e2bSVaishali Kulkarni __le32 cmdstat_sn /* bytes 24 to 27 - common cmd_sn (initiator) or stat_sn (target) to various PDU headers */; 244*14b24e2bSVaishali Kulkarni __le32 exp_statcmd_sn /* bytes 28 to 31 - common expected stat_sn (initiator) or cmd_sn (target) to various PDU headers */; 245*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* bytes 32 to 35 - common max cmd_sn to various PDU headers */; 246*14b24e2bSVaishali Kulkarni __le32 data[3] /* bytes 36 to 47 */; 247*14b24e2bSVaishali Kulkarni }; 248*14b24e2bSVaishali Kulkarni 249*14b24e2bSVaishali Kulkarni 250*14b24e2bSVaishali Kulkarni /* 251*14b24e2bSVaishali Kulkarni * ISCSI connection offload params passed by driver to FW in ISCSI offload ramrod 252*14b24e2bSVaishali Kulkarni */ 253*14b24e2bSVaishali Kulkarni struct iscsi_conn_offload_params 254*14b24e2bSVaishali Kulkarni { 255*14b24e2bSVaishali Kulkarni struct regpair sq_pbl_addr /* PBL SQ pointer */; 256*14b24e2bSVaishali Kulkarni struct regpair r2tq_pbl_addr /* PBL R2TQ pointer */; 257*14b24e2bSVaishali Kulkarni struct regpair xhq_pbl_addr /* PBL XHQ pointer */; 258*14b24e2bSVaishali Kulkarni struct regpair uhq_pbl_addr /* PBL UHQ pointer */; 259*14b24e2bSVaishali Kulkarni __le32 initial_ack /* Initial ack, received from TCP */; 260*14b24e2bSVaishali Kulkarni __le16 physical_q0 /* Physical QM queue to be tied to logical Q0 */; 261*14b24e2bSVaishali Kulkarni __le16 physical_q1 /* Physical QM queue to be tied to logical Q1 */; 262*14b24e2bSVaishali Kulkarni u8 flags; 263*14b24e2bSVaishali Kulkarni #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). */ 264*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 265*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 /* iSCSI connect mode: 0-iSCSI Initiator, 1-iSCSI Target */ 266*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 267*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 /* Restricted mode: 0 - un-restricted (deviating from the RFC), 1 - restricted (according to the RFC) */ 268*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 269*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F /* reserved */ 270*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3 271*14b24e2bSVaishali Kulkarni u8 pbl_page_size_log /* Page size with PBEs log; Page Size = 2^(page_size_log+12) */; 272*14b24e2bSVaishali Kulkarni u8 pbe_page_size_log /* PBE page size with log; Page Size = 2^(page_size_log+12) */; 273*14b24e2bSVaishali Kulkarni u8 default_cq /* Default CQ used to write unsolicited data */; 274*14b24e2bSVaishali Kulkarni __le32 stat_sn /* StatSn for Target Mode only: the first Login Response StatSn value for Target mode */; 275*14b24e2bSVaishali Kulkarni }; 276*14b24e2bSVaishali Kulkarni 277*14b24e2bSVaishali Kulkarni 278*14b24e2bSVaishali Kulkarni /* 279*14b24e2bSVaishali Kulkarni * spe message header 280*14b24e2bSVaishali Kulkarni */ 281*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr 282*14b24e2bSVaishali Kulkarni { 283*14b24e2bSVaishali Kulkarni u8 op_code /* iscsi bus-drv message opcode */; 284*14b24e2bSVaishali Kulkarni u8 flags; 285*14b24e2bSVaishali Kulkarni #define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF 286*14b24e2bSVaishali Kulkarni #define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0 287*14b24e2bSVaishali Kulkarni #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7 /* protocol layer (L2,L3,L4,L5) */ 288*14b24e2bSVaishali Kulkarni #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4 289*14b24e2bSVaishali Kulkarni #define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1 290*14b24e2bSVaishali Kulkarni #define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7 291*14b24e2bSVaishali Kulkarni }; 292*14b24e2bSVaishali Kulkarni 293*14b24e2bSVaishali Kulkarni /* 294*14b24e2bSVaishali Kulkarni * ISCSI connection update params passed by driver to FW in ISCSI update ramrod 295*14b24e2bSVaishali Kulkarni */ 296*14b24e2bSVaishali Kulkarni struct iscsi_conn_update_ramrod_params 297*14b24e2bSVaishali Kulkarni { 298*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr hdr /* spe message header. */; 299*14b24e2bSVaishali Kulkarni __le16 conn_id /* ISCSI Connection ID. (MOTI_COHEN : draft for DrvSim sake) */; 300*14b24e2bSVaishali Kulkarni __le32 fw_cid /* Context ID (cid) of the connection. (MOTI_COHEN : draft for DrvSim sake) */; 301*14b24e2bSVaishali Kulkarni u8 flags; 302*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 /* Is header digest enabled */ 303*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 304*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 /* Is data digest enabled */ 305*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 306*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 /* Initial R2T */ 307*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 308*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 /* Immediate data */ 309*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 310*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1 /* 0 - 512B, 1 - 4K */ 311*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4 312*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1 /* 0 - no DIF, 1 - could be enabled per task */ 313*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5 314*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_MASK 0x3 315*14b24e2bSVaishali Kulkarni #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_SHIFT 6 316*14b24e2bSVaishali Kulkarni u8 reserved0[3]; 317*14b24e2bSVaishali Kulkarni __le32 max_seq_size /* Maximum sequence size. Valid for TX and RX */; 318*14b24e2bSVaishali Kulkarni __le32 max_send_pdu_length /* Maximum PDU size. Valid for the TX */; 319*14b24e2bSVaishali Kulkarni __le32 max_recv_pdu_length /* Maximum PDU size. Valid for the RX */; 320*14b24e2bSVaishali Kulkarni __le32 first_seq_length /* Initial sequence length */; 321*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* ExpStatSn - Option1 Only */; 322*14b24e2bSVaishali Kulkarni }; 323*14b24e2bSVaishali Kulkarni 324*14b24e2bSVaishali Kulkarni 325*14b24e2bSVaishali Kulkarni /* 326*14b24e2bSVaishali Kulkarni * iSCSI Command PDU header with Extended CDB (Initiator Mode) 327*14b24e2bSVaishali Kulkarni */ 328*14b24e2bSVaishali Kulkarni struct iscsi_ext_cdb_cmd_hdr 329*14b24e2bSVaishali Kulkarni { 330*14b24e2bSVaishali Kulkarni __le16 reserved1 /* reserved */; 331*14b24e2bSVaishali Kulkarni u8 flags_attr; 332*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 /* attributes */ 333*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 334*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 /* reserved */ 335*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 336*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 /* write */ 337*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 338*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 /* read */ 339*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 340*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 /* final */ 341*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 342*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 343*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 344*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 345*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 346*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF /* The Extended CDB size in bytes. Maximum Extended CDB size supported is CDB 64B. */ 347*14b24e2bSVaishali Kulkarni #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 348*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number. [constant, initialized] */; 349*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 350*14b24e2bSVaishali Kulkarni __le32 expected_transfer_length /* Expected Data Transfer Length (only 3 bytes are significant) */; 351*14b24e2bSVaishali Kulkarni __le32 cmd_sn /* CmdSn. [constant, initialized] */; 352*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 353*14b24e2bSVaishali Kulkarni struct scsi_sge cdb_sge /* Extended CDBs dedicated SGE */; 354*14b24e2bSVaishali Kulkarni }; 355*14b24e2bSVaishali Kulkarni 356*14b24e2bSVaishali Kulkarni /* 357*14b24e2bSVaishali Kulkarni * iSCSI login request PDU header 358*14b24e2bSVaishali Kulkarni */ 359*14b24e2bSVaishali Kulkarni struct iscsi_login_req_hdr 360*14b24e2bSVaishali Kulkarni { 361*14b24e2bSVaishali Kulkarni u8 version_min /* Version-min */; 362*14b24e2bSVaishali Kulkarni u8 version_max /* Version-max */; 363*14b24e2bSVaishali Kulkarni u8 flags_attr; 364*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 /* Next Stage (NSG) */ 365*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 366*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 /* Current stage (CSG) */ 367*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 368*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 /* reserved */ 369*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 370*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 /* C (Continue) bit */ 371*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 372*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 /* T (Transit) bit */ 373*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 374*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 375*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 376*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 377*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 378*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 379*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 380*14b24e2bSVaishali Kulkarni __le32 isid_tabc /* Session identifier high double word [constant, initialized] */; 381*14b24e2bSVaishali Kulkarni __le16 tsih /* TSIH */; 382*14b24e2bSVaishali Kulkarni __le16 isid_d /* Session identifier low word [constant, initialized] */; 383*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 384*14b24e2bSVaishali Kulkarni __le16 reserved1; 385*14b24e2bSVaishali Kulkarni __le16 cid /* Unique Connection ID within the session [constant, initialized] */; 386*14b24e2bSVaishali Kulkarni __le32 cmd_sn /* CmdSn. [constant, initialized] */; 387*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 388*14b24e2bSVaishali Kulkarni __le32 reserved2[4]; 389*14b24e2bSVaishali Kulkarni }; 390*14b24e2bSVaishali Kulkarni 391*14b24e2bSVaishali Kulkarni /* 392*14b24e2bSVaishali Kulkarni * iSCSI logout request PDU header 393*14b24e2bSVaishali Kulkarni */ 394*14b24e2bSVaishali Kulkarni struct iscsi_logout_req_hdr 395*14b24e2bSVaishali Kulkarni { 396*14b24e2bSVaishali Kulkarni __le16 reserved0 /* reserved */; 397*14b24e2bSVaishali Kulkarni u8 reason_code /* Reason Code */; 398*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 399*14b24e2bSVaishali Kulkarni __le32 reserved1; 400*14b24e2bSVaishali Kulkarni __le32 reserved2[2] /* Reserved */; 401*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 402*14b24e2bSVaishali Kulkarni __le16 reserved3 /* Reserved */; 403*14b24e2bSVaishali Kulkarni __le16 cid /* Unique Connection ID within the session [constant, initialized] */; 404*14b24e2bSVaishali Kulkarni __le32 cmd_sn /* CmdSn. [constant, initialized] */; 405*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* various fields for middle-path PDU. [constant, initialized] */; 406*14b24e2bSVaishali Kulkarni __le32 reserved4[4] /* Reserved */; 407*14b24e2bSVaishali Kulkarni }; 408*14b24e2bSVaishali Kulkarni 409*14b24e2bSVaishali Kulkarni /* 410*14b24e2bSVaishali Kulkarni * iSCSI Data-out PDU header 411*14b24e2bSVaishali Kulkarni */ 412*14b24e2bSVaishali Kulkarni struct iscsi_data_out_hdr 413*14b24e2bSVaishali Kulkarni { 414*14b24e2bSVaishali Kulkarni __le16 reserved1 /* reserved */; 415*14b24e2bSVaishali Kulkarni u8 flags_attr; 416*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F /* reserved */ 417*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 418*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 /* final */ 419*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 420*14b24e2bSVaishali Kulkarni u8 opcode /* opcode */; 421*14b24e2bSVaishali Kulkarni __le32 reserved2 /* reserved */; 422*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 423*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 424*14b24e2bSVaishali Kulkarni __le32 ttt /* Target Transfer Tag (from R2T) */; 425*14b24e2bSVaishali Kulkarni __le32 reserved3 /* resrved */; 426*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* Expected StatSn */; 427*14b24e2bSVaishali Kulkarni __le32 reserved4 /* resrved */; 428*14b24e2bSVaishali Kulkarni __le32 data_sn /* DataSN - PDU index in sequnece */; 429*14b24e2bSVaishali Kulkarni __le32 buffer_offset /* Buffer Offset - offset in task */; 430*14b24e2bSVaishali Kulkarni __le32 reserved5 /* resrved */; 431*14b24e2bSVaishali Kulkarni }; 432*14b24e2bSVaishali Kulkarni 433*14b24e2bSVaishali Kulkarni /* 434*14b24e2bSVaishali Kulkarni * iSCSI Data-in PDU header 435*14b24e2bSVaishali Kulkarni */ 436*14b24e2bSVaishali Kulkarni struct iscsi_data_in_hdr 437*14b24e2bSVaishali Kulkarni { 438*14b24e2bSVaishali Kulkarni u8 status_rsvd /* Status or reserved */; 439*14b24e2bSVaishali Kulkarni u8 reserved1 /* reserved */; 440*14b24e2bSVaishali Kulkarni u8 flags; 441*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 /* Status */ 442*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 443*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 /* Residual Underflow */ 444*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 445*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 /* Residual Overflow */ 446*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 447*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 /* reserved - 0 */ 448*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 449*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 /* Acknowledge */ 450*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 451*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 /* final */ 452*14b24e2bSVaishali Kulkarni #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 453*14b24e2bSVaishali Kulkarni u8 opcode /* opcode */; 454*14b24e2bSVaishali Kulkarni __le32 reserved2 /* reserved */; 455*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 456*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 457*14b24e2bSVaishali Kulkarni __le32 ttt /* Target Transfer Tag (from R2T) */; 458*14b24e2bSVaishali Kulkarni __le32 stat_sn /* StatSN or reserved */; 459*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* Expected CmdSn */; 460*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* MaxCmdSn */; 461*14b24e2bSVaishali Kulkarni __le32 data_sn /* DataSN - PDU index in sequnece */; 462*14b24e2bSVaishali Kulkarni __le32 buffer_offset /* Buffer Offset - offset in task */; 463*14b24e2bSVaishali Kulkarni __le32 residual_count /* Residual Count */; 464*14b24e2bSVaishali Kulkarni }; 465*14b24e2bSVaishali Kulkarni 466*14b24e2bSVaishali Kulkarni /* 467*14b24e2bSVaishali Kulkarni * iSCSI R2T PDU header 468*14b24e2bSVaishali Kulkarni */ 469*14b24e2bSVaishali Kulkarni struct iscsi_r2t_hdr 470*14b24e2bSVaishali Kulkarni { 471*14b24e2bSVaishali Kulkarni u8 reserved0[3] /* reserved */; 472*14b24e2bSVaishali Kulkarni u8 opcode /* opcode */; 473*14b24e2bSVaishali Kulkarni __le32 reserved2 /* reserved */; 474*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 475*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag */; 476*14b24e2bSVaishali Kulkarni __le32 ttt /* Target Transfer Tag */; 477*14b24e2bSVaishali Kulkarni __le32 stat_sn /* stat sn */; 478*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* Expected CmdSn */; 479*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* Max CmdSn */; 480*14b24e2bSVaishali Kulkarni __le32 r2t_sn /* DataSN - PDU index in sequnece */; 481*14b24e2bSVaishali Kulkarni __le32 buffer_offset /* Buffer Offset - offset in task */; 482*14b24e2bSVaishali Kulkarni __le32 desired_data_trns_len /* Desired data trnsfer len */; 483*14b24e2bSVaishali Kulkarni }; 484*14b24e2bSVaishali Kulkarni 485*14b24e2bSVaishali Kulkarni /* 486*14b24e2bSVaishali Kulkarni * iSCSI NOP-out PDU header 487*14b24e2bSVaishali Kulkarni */ 488*14b24e2bSVaishali Kulkarni struct iscsi_nop_out_hdr 489*14b24e2bSVaishali Kulkarni { 490*14b24e2bSVaishali Kulkarni __le16 reserved1 /* reserved */; 491*14b24e2bSVaishali Kulkarni u8 flags_attr; 492*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F /* reserved */ 493*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 494*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 /* const1 */ 495*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 496*14b24e2bSVaishali Kulkarni u8 opcode /* opcode */; 497*14b24e2bSVaishali Kulkarni __le32 reserved2 /* reserved */; 498*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 499*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 500*14b24e2bSVaishali Kulkarni __le32 ttt /* Target Transfer Tag (from R2T) */; 501*14b24e2bSVaishali Kulkarni __le32 cmd_sn /* CmdSN */; 502*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* Expected StatSn */; 503*14b24e2bSVaishali Kulkarni __le32 reserved3 /* reserved */; 504*14b24e2bSVaishali Kulkarni __le32 reserved4 /* reserved */; 505*14b24e2bSVaishali Kulkarni __le32 reserved5 /* reserved */; 506*14b24e2bSVaishali Kulkarni __le32 reserved6 /* reserved */; 507*14b24e2bSVaishali Kulkarni }; 508*14b24e2bSVaishali Kulkarni 509*14b24e2bSVaishali Kulkarni /* 510*14b24e2bSVaishali Kulkarni * iSCSI NOP-in PDU header 511*14b24e2bSVaishali Kulkarni */ 512*14b24e2bSVaishali Kulkarni struct iscsi_nop_in_hdr 513*14b24e2bSVaishali Kulkarni { 514*14b24e2bSVaishali Kulkarni __le16 reserved0 /* reserved */; 515*14b24e2bSVaishali Kulkarni u8 flags_attr; 516*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F /* reserved */ 517*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 518*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 /* const1 */ 519*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 520*14b24e2bSVaishali Kulkarni u8 opcode /* opcode */; 521*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 522*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 523*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 524*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 525*14b24e2bSVaishali Kulkarni #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 526*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 527*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant) */; 528*14b24e2bSVaishali Kulkarni __le32 ttt /* Target Transfer Tag */; 529*14b24e2bSVaishali Kulkarni __le32 stat_sn /* stat_sn */; 530*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* exp_cmd_sn */; 531*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* max_cmd_sn */; 532*14b24e2bSVaishali Kulkarni __le32 reserved5 /* reserved */; 533*14b24e2bSVaishali Kulkarni __le32 reserved6 /* reserved */; 534*14b24e2bSVaishali Kulkarni __le32 reserved7 /* reserved */; 535*14b24e2bSVaishali Kulkarni }; 536*14b24e2bSVaishali Kulkarni 537*14b24e2bSVaishali Kulkarni /* 538*14b24e2bSVaishali Kulkarni * iSCSI Login Response PDU header 539*14b24e2bSVaishali Kulkarni */ 540*14b24e2bSVaishali Kulkarni struct iscsi_login_response_hdr 541*14b24e2bSVaishali Kulkarni { 542*14b24e2bSVaishali Kulkarni u8 version_active /* Version-active */; 543*14b24e2bSVaishali Kulkarni u8 version_max /* Version-max */; 544*14b24e2bSVaishali Kulkarni u8 flags_attr; 545*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 /* Next Stage (NSG) */ 546*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 547*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 /* Current stage (CSG) */ 548*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 549*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 /* reserved */ 550*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 551*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 /* C (Continue) bit */ 552*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 553*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 /* T (Transit) bit */ 554*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 555*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 556*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 557*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 558*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 559*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 560*14b24e2bSVaishali Kulkarni #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 561*14b24e2bSVaishali Kulkarni __le32 isid_tabc /* Session identifier high double word [constant, initialized] */; 562*14b24e2bSVaishali Kulkarni __le16 tsih /* TSIH */; 563*14b24e2bSVaishali Kulkarni __le16 isid_d /* Session identifier low word [constant, initialized] */; 564*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 565*14b24e2bSVaishali Kulkarni __le32 reserved1; 566*14b24e2bSVaishali Kulkarni __le32 stat_sn /* CmdSn. [constant, initialized] */; 567*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* various fields for middle-path PDU. [constant, initialized] */; 568*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* max_cmd_sn */; 569*14b24e2bSVaishali Kulkarni __le16 reserved2; 570*14b24e2bSVaishali Kulkarni u8 status_detail /* status_detail */; 571*14b24e2bSVaishali Kulkarni u8 status_class /* status_class */; 572*14b24e2bSVaishali Kulkarni __le32 reserved4[2]; 573*14b24e2bSVaishali Kulkarni }; 574*14b24e2bSVaishali Kulkarni 575*14b24e2bSVaishali Kulkarni /* 576*14b24e2bSVaishali Kulkarni * iSCSI Logout Response PDU header 577*14b24e2bSVaishali Kulkarni */ 578*14b24e2bSVaishali Kulkarni struct iscsi_logout_response_hdr 579*14b24e2bSVaishali Kulkarni { 580*14b24e2bSVaishali Kulkarni u8 reserved1 /* reserved */; 581*14b24e2bSVaishali Kulkarni u8 response /* response */; 582*14b24e2bSVaishali Kulkarni u8 flags /* flags and attributes */; 583*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 584*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 585*14b24e2bSVaishali Kulkarni #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 586*14b24e2bSVaishali Kulkarni #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 587*14b24e2bSVaishali Kulkarni #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 588*14b24e2bSVaishali Kulkarni #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 589*14b24e2bSVaishali Kulkarni __le32 reserved2[2] /* Reserved */; 590*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 591*14b24e2bSVaishali Kulkarni __le32 reserved3 /* Reserved */; 592*14b24e2bSVaishali Kulkarni __le32 stat_sn /* CmdSN */; 593*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* Expected StatSn */; 594*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* CmdSN */; 595*14b24e2bSVaishali Kulkarni __le32 reserved4 /* Reserved */; 596*14b24e2bSVaishali Kulkarni __le16 time_2_retain /* Time to Retain */; 597*14b24e2bSVaishali Kulkarni __le16 time_2_wait /* Time to wait */; 598*14b24e2bSVaishali Kulkarni __le32 reserved5[1] /* Reserved */; 599*14b24e2bSVaishali Kulkarni }; 600*14b24e2bSVaishali Kulkarni 601*14b24e2bSVaishali Kulkarni /* 602*14b24e2bSVaishali Kulkarni * iSCSI Text Request PDU header 603*14b24e2bSVaishali Kulkarni */ 604*14b24e2bSVaishali Kulkarni struct iscsi_text_request_hdr 605*14b24e2bSVaishali Kulkarni { 606*14b24e2bSVaishali Kulkarni __le16 reserved0 /* reserved */; 607*14b24e2bSVaishali Kulkarni u8 flags_attr; 608*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F /* reserved */ 609*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 610*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 /* C (Continue) bit */ 611*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 612*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 /* F (Final) bit */ 613*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 614*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 615*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 616*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 617*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 618*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 619*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 620*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 621*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 622*14b24e2bSVaishali Kulkarni __le32 ttt /* Referenced Task Tag or 0xffffffff */; 623*14b24e2bSVaishali Kulkarni __le32 cmd_sn /* cmd_sn */; 624*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* exp_stat_sn */; 625*14b24e2bSVaishali Kulkarni __le32 reserved4[4] /* Reserved */; 626*14b24e2bSVaishali Kulkarni }; 627*14b24e2bSVaishali Kulkarni 628*14b24e2bSVaishali Kulkarni /* 629*14b24e2bSVaishali Kulkarni * iSCSI Text Response PDU header 630*14b24e2bSVaishali Kulkarni */ 631*14b24e2bSVaishali Kulkarni struct iscsi_text_response_hdr 632*14b24e2bSVaishali Kulkarni { 633*14b24e2bSVaishali Kulkarni __le16 reserved1 /* reserved */; 634*14b24e2bSVaishali Kulkarni u8 flags; 635*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F /* reserved */ 636*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 637*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 /* C (Continue) bit */ 638*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 639*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 /* F (Final) bit */ 640*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 641*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 642*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 643*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 644*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 645*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 646*14b24e2bSVaishali Kulkarni #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 647*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 648*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 649*14b24e2bSVaishali Kulkarni __le32 ttt /* Target Task Tag */; 650*14b24e2bSVaishali Kulkarni __le32 stat_sn /* CmdSN */; 651*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* Expected StatSn */; 652*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* CmdSN */; 653*14b24e2bSVaishali Kulkarni __le32 reserved4[3] /* Reserved */; 654*14b24e2bSVaishali Kulkarni }; 655*14b24e2bSVaishali Kulkarni 656*14b24e2bSVaishali Kulkarni /* 657*14b24e2bSVaishali Kulkarni * iSCSI TMF Request PDU header 658*14b24e2bSVaishali Kulkarni */ 659*14b24e2bSVaishali Kulkarni struct iscsi_tmf_request_hdr 660*14b24e2bSVaishali Kulkarni { 661*14b24e2bSVaishali Kulkarni __le16 reserved0 /* reserved */; 662*14b24e2bSVaishali Kulkarni u8 function /* function */; 663*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 664*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 665*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 666*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 667*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 668*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 669*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 670*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 671*14b24e2bSVaishali Kulkarni __le32 rtt /* Referenced Task Tag or 0xffffffff */; 672*14b24e2bSVaishali Kulkarni __le32 cmd_sn /* cmd_sn */; 673*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* exp_stat_sn */; 674*14b24e2bSVaishali Kulkarni __le32 ref_cmd_sn /* ref_cmd_sn */; 675*14b24e2bSVaishali Kulkarni __le32 exp_data_sn /* exp_data_sn */; 676*14b24e2bSVaishali Kulkarni __le32 reserved4[2] /* Reserved */; 677*14b24e2bSVaishali Kulkarni }; 678*14b24e2bSVaishali Kulkarni 679*14b24e2bSVaishali Kulkarni struct iscsi_tmf_response_hdr 680*14b24e2bSVaishali Kulkarni { 681*14b24e2bSVaishali Kulkarni u8 reserved2 /* reserved2 */; 682*14b24e2bSVaishali Kulkarni u8 hdr_response /* Response field of ISCSI header for Responses / Reserved for Data-In */; 683*14b24e2bSVaishali Kulkarni u8 hdr_flags /* Flags field of ISCSI header */; 684*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 685*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 686*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 687*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 688*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 689*14b24e2bSVaishali Kulkarni #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 690*14b24e2bSVaishali Kulkarni struct regpair reserved0; 691*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 692*14b24e2bSVaishali Kulkarni __le32 reserved1 /* Reserved */; 693*14b24e2bSVaishali Kulkarni __le32 stat_sn /* stat_sn */; 694*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* exp_cmd_sn */; 695*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* max_cmd_sn */; 696*14b24e2bSVaishali Kulkarni __le32 reserved4[3] /* Reserved */; 697*14b24e2bSVaishali Kulkarni }; 698*14b24e2bSVaishali Kulkarni 699*14b24e2bSVaishali Kulkarni /* 700*14b24e2bSVaishali Kulkarni * iSCSI Response PDU header 701*14b24e2bSVaishali Kulkarni */ 702*14b24e2bSVaishali Kulkarni struct iscsi_response_hdr 703*14b24e2bSVaishali Kulkarni { 704*14b24e2bSVaishali Kulkarni u8 hdr_status /* Status field of ISCSI header */; 705*14b24e2bSVaishali Kulkarni u8 hdr_response /* Response field of ISCSI header for Responses / Reserved for Data-In */; 706*14b24e2bSVaishali Kulkarni u8 hdr_flags /* Flags field of ISCSI header */; 707*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 708*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 709*14b24e2bSVaishali Kulkarni #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 710*14b24e2bSVaishali Kulkarni #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 711*14b24e2bSVaishali Kulkarni #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 712*14b24e2bSVaishali Kulkarni #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 713*14b24e2bSVaishali Kulkarni struct regpair lun /* Logical Unit Number */; 714*14b24e2bSVaishali Kulkarni __le32 itt /* Initiator Task Tag (only 2 bytes are significant). [constant, initialized] */; 715*14b24e2bSVaishali Kulkarni __le32 snack_tag /* Currently ERL>0 is not supported */; 716*14b24e2bSVaishali Kulkarni __le32 stat_sn /* CmdSN */; 717*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* Expected StatSn */; 718*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* CmdSN */; 719*14b24e2bSVaishali Kulkarni __le32 exp_data_sn /* exp_data_sn */; 720*14b24e2bSVaishali Kulkarni __le32 bi_residual_count /* bi residual count */; 721*14b24e2bSVaishali Kulkarni __le32 residual_count /* residual count */; 722*14b24e2bSVaishali Kulkarni }; 723*14b24e2bSVaishali Kulkarni 724*14b24e2bSVaishali Kulkarni /* 725*14b24e2bSVaishali Kulkarni * iSCSI Reject PDU header 726*14b24e2bSVaishali Kulkarni */ 727*14b24e2bSVaishali Kulkarni struct iscsi_reject_hdr 728*14b24e2bSVaishali Kulkarni { 729*14b24e2bSVaishali Kulkarni u8 reserved4 /* Reserved */; 730*14b24e2bSVaishali Kulkarni u8 hdr_reason /* The reject reason */; 731*14b24e2bSVaishali Kulkarni u8 hdr_flags /* Flags field of ISCSI header */; 732*14b24e2bSVaishali Kulkarni u8 opcode /* opcode. [constant, initialized] */; 733*14b24e2bSVaishali Kulkarni __le32 hdr_second_dword; 734*14b24e2bSVaishali Kulkarni #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF /* DataSegmentLength */ 735*14b24e2bSVaishali Kulkarni #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 736*14b24e2bSVaishali Kulkarni #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF /* TotalAHSLength */ 737*14b24e2bSVaishali Kulkarni #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 738*14b24e2bSVaishali Kulkarni struct regpair reserved0; 739*14b24e2bSVaishali Kulkarni __le32 all_ones; 740*14b24e2bSVaishali Kulkarni __le32 reserved2; 741*14b24e2bSVaishali Kulkarni __le32 stat_sn /* stat_sn */; 742*14b24e2bSVaishali Kulkarni __le32 exp_cmd_sn /* exp_cmd_sn */; 743*14b24e2bSVaishali Kulkarni __le32 max_cmd_sn /* max_cmd_sn */; 744*14b24e2bSVaishali Kulkarni __le32 data_sn /* data_sn */; 745*14b24e2bSVaishali Kulkarni __le32 reserved3[2] /* reserved3 */; 746*14b24e2bSVaishali Kulkarni }; 747*14b24e2bSVaishali Kulkarni 748*14b24e2bSVaishali Kulkarni /* 749*14b24e2bSVaishali Kulkarni * PDU header part of Ystorm task context 750*14b24e2bSVaishali Kulkarni */ 751*14b24e2bSVaishali Kulkarni union iscsi_task_hdr 752*14b24e2bSVaishali Kulkarni { 753*14b24e2bSVaishali Kulkarni struct iscsi_common_hdr common /* Command PDU header */; 754*14b24e2bSVaishali Kulkarni struct data_hdr data /* Command PDU header */; 755*14b24e2bSVaishali Kulkarni struct iscsi_cmd_hdr cmd /* Command PDU header */; 756*14b24e2bSVaishali Kulkarni struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd /* Command PDU header with extended CDB - Initiator Mode */; 757*14b24e2bSVaishali Kulkarni struct iscsi_login_req_hdr login_req /* Login request PDU header */; 758*14b24e2bSVaishali Kulkarni struct iscsi_logout_req_hdr logout_req /* Logout request PDU header */; 759*14b24e2bSVaishali Kulkarni struct iscsi_data_out_hdr data_out /* Data-out PDU header */; 760*14b24e2bSVaishali Kulkarni struct iscsi_data_in_hdr data_in /* Data-in PDU header */; 761*14b24e2bSVaishali Kulkarni struct iscsi_r2t_hdr r2t /* R2T PDU header */; 762*14b24e2bSVaishali Kulkarni struct iscsi_nop_out_hdr nop_out /* NOP-out PDU header */; 763*14b24e2bSVaishali Kulkarni struct iscsi_nop_in_hdr nop_in /* NOP-in PDU header */; 764*14b24e2bSVaishali Kulkarni struct iscsi_login_response_hdr login_response /* Login response PDU header */; 765*14b24e2bSVaishali Kulkarni struct iscsi_logout_response_hdr logout_response /* Logout response PDU header */; 766*14b24e2bSVaishali Kulkarni struct iscsi_text_request_hdr text_request /* Text request PDU header */; 767*14b24e2bSVaishali Kulkarni struct iscsi_text_response_hdr text_response /* Text response PDU header */; 768*14b24e2bSVaishali Kulkarni struct iscsi_tmf_request_hdr tmf_request /* TMF request PDU header */; 769*14b24e2bSVaishali Kulkarni struct iscsi_tmf_response_hdr tmf_response /* TMF response PDU header */; 770*14b24e2bSVaishali Kulkarni struct iscsi_response_hdr response /* Text response PDU header */; 771*14b24e2bSVaishali Kulkarni struct iscsi_reject_hdr reject /* Reject PDU header */; 772*14b24e2bSVaishali Kulkarni struct iscsi_async_msg_hdr async_msg /* Asynchronous Message PDU header */; 773*14b24e2bSVaishali Kulkarni }; 774*14b24e2bSVaishali Kulkarni 775*14b24e2bSVaishali Kulkarni /* 776*14b24e2bSVaishali Kulkarni * iSCSI CQ element 777*14b24e2bSVaishali Kulkarni */ 778*14b24e2bSVaishali Kulkarni struct iscsi_cqe_common 779*14b24e2bSVaishali Kulkarni { 780*14b24e2bSVaishali Kulkarni __le16 conn_id /* Drivers connection Id */; 781*14b24e2bSVaishali Kulkarni u8 cqe_type /* Indicates CQE type */; 782*14b24e2bSVaishali Kulkarni union cqe_error_status error_bitmap /* CQE error status */; 783*14b24e2bSVaishali Kulkarni __le32 reserved[3]; 784*14b24e2bSVaishali Kulkarni union iscsi_task_hdr iscsi_hdr /* iscsi header union */; 785*14b24e2bSVaishali Kulkarni }; 786*14b24e2bSVaishali Kulkarni 787*14b24e2bSVaishali Kulkarni /* 788*14b24e2bSVaishali Kulkarni * iSCSI CQ element 789*14b24e2bSVaishali Kulkarni */ 790*14b24e2bSVaishali Kulkarni struct iscsi_cqe_solicited 791*14b24e2bSVaishali Kulkarni { 792*14b24e2bSVaishali Kulkarni __le16 conn_id /* Drivers connection Id */; 793*14b24e2bSVaishali Kulkarni u8 cqe_type /* Indicates CQE type */; 794*14b24e2bSVaishali Kulkarni union cqe_error_status error_bitmap /* CQE error status */; 795*14b24e2bSVaishali Kulkarni __le16 itid /* initiator itt (Initiator mode) or target ttt (Target mode) */; 796*14b24e2bSVaishali Kulkarni u8 task_type /* Task type */; 797*14b24e2bSVaishali Kulkarni u8 fw_dbg_field /* FW debug params */; 798*14b24e2bSVaishali Kulkarni u8 caused_conn_err /* Equals 1 if this TID caused the connection error, otherwise equals 0. */; 799*14b24e2bSVaishali Kulkarni u8 reserved0[3]; 800*14b24e2bSVaishali Kulkarni __le32 reserved1[1]; 801*14b24e2bSVaishali Kulkarni union iscsi_task_hdr iscsi_hdr /* iscsi header union */; 802*14b24e2bSVaishali Kulkarni }; 803*14b24e2bSVaishali Kulkarni 804*14b24e2bSVaishali Kulkarni /* 805*14b24e2bSVaishali Kulkarni * iSCSI CQ element 806*14b24e2bSVaishali Kulkarni */ 807*14b24e2bSVaishali Kulkarni struct iscsi_cqe_unsolicited 808*14b24e2bSVaishali Kulkarni { 809*14b24e2bSVaishali Kulkarni __le16 conn_id /* Drivers connection Id */; 810*14b24e2bSVaishali Kulkarni u8 cqe_type /* Indicates CQE type */; 811*14b24e2bSVaishali Kulkarni union cqe_error_status error_bitmap /* CQE error status */; 812*14b24e2bSVaishali Kulkarni __le16 reserved0 /* Reserved */; 813*14b24e2bSVaishali Kulkarni u8 reserved1 /* Reserved */; 814*14b24e2bSVaishali Kulkarni u8 unsol_cqe_type /* Represent this unsolicited CQE position in a sequence of packets belonging to the same unsolicited PDU */; 815*14b24e2bSVaishali Kulkarni struct regpair rqe_opaque /* Relevant for Unsolicited CQE only: The opaque data of RQ BDQ */; 816*14b24e2bSVaishali Kulkarni union iscsi_task_hdr iscsi_hdr /* iscsi header union */; 817*14b24e2bSVaishali Kulkarni }; 818*14b24e2bSVaishali Kulkarni 819*14b24e2bSVaishali Kulkarni /* 820*14b24e2bSVaishali Kulkarni * iSCSI CQ element 821*14b24e2bSVaishali Kulkarni */ 822*14b24e2bSVaishali Kulkarni union iscsi_cqe 823*14b24e2bSVaishali Kulkarni { 824*14b24e2bSVaishali Kulkarni struct iscsi_cqe_common cqe_common /* Common CQE */; 825*14b24e2bSVaishali Kulkarni struct iscsi_cqe_solicited cqe_solicited /* Solicited CQE */; 826*14b24e2bSVaishali Kulkarni struct iscsi_cqe_unsolicited cqe_unsolicited /* Unsolicited CQE. relevant only when cqe_opcode == ISCSI_CQE_TYPE_UNSOLICITED */; 827*14b24e2bSVaishali Kulkarni }; 828*14b24e2bSVaishali Kulkarni 829*14b24e2bSVaishali Kulkarni 830*14b24e2bSVaishali Kulkarni /* 831*14b24e2bSVaishali Kulkarni * iSCSI CQE type 832*14b24e2bSVaishali Kulkarni */ 833*14b24e2bSVaishali Kulkarni enum iscsi_cqes_type 834*14b24e2bSVaishali Kulkarni { 835*14b24e2bSVaishali Kulkarni ISCSI_CQE_TYPE_SOLICITED=1 /* iSCSI CQE with solicited data */, 836*14b24e2bSVaishali Kulkarni ISCSI_CQE_TYPE_UNSOLICITED /* iSCSI CQE with unsolicited data */, 837*14b24e2bSVaishali Kulkarni ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE /* iSCSI CQE with solicited with sense data */, 838*14b24e2bSVaishali Kulkarni ISCSI_CQE_TYPE_TASK_CLEANUP /* iSCSI CQE task cleanup */, 839*14b24e2bSVaishali Kulkarni ISCSI_CQE_TYPE_DUMMY /* iSCSI Dummy CQE */, 840*14b24e2bSVaishali Kulkarni MAX_ISCSI_CQES_TYPE 841*14b24e2bSVaishali Kulkarni }; 842*14b24e2bSVaishali Kulkarni 843*14b24e2bSVaishali Kulkarni 844*14b24e2bSVaishali Kulkarni 845*14b24e2bSVaishali Kulkarni 846*14b24e2bSVaishali Kulkarni 847*14b24e2bSVaishali Kulkarni /* 848*14b24e2bSVaishali Kulkarni * iSCSI CQE type 849*14b24e2bSVaishali Kulkarni */ 850*14b24e2bSVaishali Kulkarni enum iscsi_cqe_unsolicited_type 851*14b24e2bSVaishali Kulkarni { 852*14b24e2bSVaishali Kulkarni ISCSI_CQE_UNSOLICITED_NONE /* iSCSI CQE with unsolicited data */, 853*14b24e2bSVaishali Kulkarni ISCSI_CQE_UNSOLICITED_SINGLE /* iSCSI CQE with unsolicited data */, 854*14b24e2bSVaishali Kulkarni ISCSI_CQE_UNSOLICITED_FIRST /* iSCSI CQE with unsolicited data */, 855*14b24e2bSVaishali Kulkarni ISCSI_CQE_UNSOLICITED_MIDDLE /* iSCSI CQE with unsolicited data */, 856*14b24e2bSVaishali Kulkarni ISCSI_CQE_UNSOLICITED_LAST /* iSCSI CQE with unsolicited data */, 857*14b24e2bSVaishali Kulkarni MAX_ISCSI_CQE_UNSOLICITED_TYPE 858*14b24e2bSVaishali Kulkarni }; 859*14b24e2bSVaishali Kulkarni 860*14b24e2bSVaishali Kulkarni 861*14b24e2bSVaishali Kulkarni 862*14b24e2bSVaishali Kulkarni 863*14b24e2bSVaishali Kulkarni /* 864*14b24e2bSVaishali Kulkarni * iscsi debug modes 865*14b24e2bSVaishali Kulkarni */ 866*14b24e2bSVaishali Kulkarni struct iscsi_debug_modes 867*14b24e2bSVaishali Kulkarni { 868*14b24e2bSVaishali Kulkarni u8 flags; 869*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 /* Assert on Rx connection error */ 870*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 871*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 /* Assert if TCP RESET arrived */ 872*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 873*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 /* Assert if TCP FIN arrived */ 874*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 875*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 /* Assert if cleanup flow */ 876*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 877*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 /* Assert if REJECT PDU or ASYNC PDU arrived */ 878*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 879*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 /* Assert if NOP IN PDU or NOP OUT PDU arrived */ 880*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 881*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_DATA_DIGEST_ERROR_MASK 0x1 /* Assert if data digest error */ 882*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_DATA_DIGEST_ERROR_SHIFT 6 883*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_ERROR_MASK 0x1 /* Assert if DIF error */ 884*14b24e2bSVaishali Kulkarni #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_ERROR_SHIFT 7 885*14b24e2bSVaishali Kulkarni }; 886*14b24e2bSVaishali Kulkarni 887*14b24e2bSVaishali Kulkarni 888*14b24e2bSVaishali Kulkarni /* 889*14b24e2bSVaishali Kulkarni * iSCSI DIF flags 890*14b24e2bSVaishali Kulkarni */ 891*14b24e2bSVaishali Kulkarni struct iscsi_dif_flags 892*14b24e2bSVaishali Kulkarni { 893*14b24e2bSVaishali Kulkarni u8 flags; 894*14b24e2bSVaishali Kulkarni #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF /* Protection log interval (9=512 10=1024 11=2048 12=4096 13=8192) */ 895*14b24e2bSVaishali Kulkarni #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 896*14b24e2bSVaishali Kulkarni #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 /* If DIF protection is configured against target (0=no, 1=yes) */ 897*14b24e2bSVaishali Kulkarni #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 898*14b24e2bSVaishali Kulkarni #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) */ 899*14b24e2bSVaishali Kulkarni #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 900*14b24e2bSVaishali Kulkarni }; 901*14b24e2bSVaishali Kulkarni 902*14b24e2bSVaishali Kulkarni 903*14b24e2bSVaishali Kulkarni /* 904*14b24e2bSVaishali Kulkarni * iSCSI kernel completion queue IDs 905*14b24e2bSVaishali Kulkarni */ 906*14b24e2bSVaishali Kulkarni enum iscsi_eqe_opcode 907*14b24e2bSVaishali Kulkarni { 908*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_INIT_FUNC=0 /* iSCSI response after init Ramrod */, 909*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_DESTROY_FUNC /* iSCSI response after destroy Ramrod */, 910*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_OFFLOAD_CONN /* iSCSI response after option 2 offload Ramrod */, 911*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_UPDATE_CONN /* iSCSI response after update Ramrod */, 912*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_CLEAR_SQ /* iSCSI response after clear sq Ramrod */, 913*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_TERMINATE_CONN /* iSCSI response after termination Ramrod */, 914*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_MAC_UPDATE_CONN /* iSCSI response after MAC address update Ramrod */, 915*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE /* iSCSI response after option 2 connect completed (A-syn EQE) */, 916*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE /* iSCSI response after option 2 termination completed (A-syn EQE) */, 917*14b24e2bSVaishali Kulkarni RESERVED9 /* reserved9 */, 918*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES=10 /* Never returned in EQE, used to separate Regular event types from Error event types */, 919*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD /* iSCSI abort response after TCP RST packet recieve (A-syn EQE) */, 920*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD /* iSCSI response after close receive (A-syn EQE) */, 921*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_SYN_RCVD /* iSCSI response after TCP SYN+ACK packet receive (A-syn EQE) */, 922*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME /* iSCSI error - tcp max retransmit time (A-syn EQE) */, 923*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT /* iSCSI error - tcp max retransmit count (A-syn EQE) */, 924*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT /* iSCSI error - tcp ka probes count (A-syn EQE) */, 925*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2 /* iSCSI error - tcp fin wait 2 (A-syn EQE) */, 926*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR /* iSCSI error response (A-syn EQE) */, 927*14b24e2bSVaishali Kulkarni ISCSI_EVENT_TYPE_TCP_CONN_ERROR /* iSCSI error - tcp error (A-syn EQE) */, 928*14b24e2bSVaishali Kulkarni MAX_ISCSI_EQE_OPCODE 929*14b24e2bSVaishali Kulkarni }; 930*14b24e2bSVaishali Kulkarni 931*14b24e2bSVaishali Kulkarni 932*14b24e2bSVaishali Kulkarni /* 933*14b24e2bSVaishali Kulkarni * iSCSI EQE and CQE completion status 934*14b24e2bSVaishali Kulkarni */ 935*14b24e2bSVaishali Kulkarni enum iscsi_error_types 936*14b24e2bSVaishali Kulkarni { 937*14b24e2bSVaishali Kulkarni ISCSI_STATUS_NONE=0, 938*14b24e2bSVaishali Kulkarni ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN=1, 939*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_TASK_CID_MISMATCH /* iSCSI connection error - Corrupted Task context */, 940*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_TASK_NOT_VALID /* iSCSI connection error - The task is not valid */, 941*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_RQ_RING_IS_FULL /* iSCSI connection error - RQ full */, 942*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL /* iSCSI connection error - CMDQ full (Target only) */, 943*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_HQE_CACHING_FAILED /* iSCSI connection error - HQ error */, 944*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR /* iSCSI connection error - Header digest error */, 945*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR /* iSCSI connection error - Local completion bit is not correct (A-syn EQE) */, 946*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_DATA_OVERRUN /* iSCSI connection error - data overrun */, 947*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR /* iSCSI connection error - out of sges in task context */, 948*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_IP_OPTIONS_ERROR /* TCP connection error - IP option error */, 949*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PRS_ERRORS /* TCP connection error - error indication form parser */, 950*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION /* TCP connection error - tcp options error(option 2 only) */, 951*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR /* TCP connection error - IP fragmentation error */, 952*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN /* iSCSI connection error - invalid AHS length (Target only) */, 953*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE /* iSCSI connection error - invalid AHS type (Target only) */, 954*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE /* iSCSI connection error - invalid ITT */, 955*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE /* iSCSI connection error - invalid TTT (Target only) */, 956*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE /* iSCSI connection error - PDU data_seg_len > max receive pdu size */, 957*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE /* iSCSI connection error - invalid PDU opcode */, 958*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE /* iSCSI connection error - invalid PDU opcode before update ramrod (Option 2 only) */, 959*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL /* iSCSI connection error - NOPIN dsl > 0 and ITT = 0xffffffff (Initiator only) */, 960*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA /* iSCSI connection error - R2T dsl > 0 (Initiator only) */, 961*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN /* iSCSI connection error - DATA-SN error */, 962*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT /* iSCSI connection error - DATA-IN TTT error (Initiator only) */, 963*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT /* iSCSI connection error - DATA-OUT ITT error (Target only) */, 964*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT /* iSCSI connection error - R2T TTT error (Initiator only) */, 965*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET /* iSCSI connection error - R2T buffer offset error (Initiator only) */, 966*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO /* iSCSI connection error - DATA PDU buffer offset error */, 967*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN /* iSCSI connection error - R2T SN error (Initiator only) */, 968*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 /* iSCSI connection error - R2T desired data transfer length = 0 (Initiator only) */, 969*14b24e2bSVaishali Kulkarni 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) */, 970*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2 /* iSCSI connection error - R2T desired data transfer length + buffer offset > task size (Initiator only) */, 971*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN /* iSCSI connection error - R2T unvalid LUN (Initiator only) */, 972*14b24e2bSVaishali Kulkarni 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) */, 973*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE /* iSCSI connection error - S-bit and final bit = 1 (Initiator only) */, 974*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN /* iSCSI connection error - STAT SN error (Initiator only) */, 975*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO /* iSCSI connection error - TMF or LOGOUT PDUs dsl > 0 (Initiator only) */, 976*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL /* iSCSI connection error - CMD PDU dsl>0 while immediate data is disabled (Target only) */, 977*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG /* iSCSI connection error - Data In overrun (Initiator only) */, 978*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT /* iSCSI connection error - >1 outstanding R2T (Initiator only) */, 979*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX /* iSCSI connection error - DIF Tx error + DIF error drop is enabled (Target only) */, 980*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_SENSE_DATA_LENGTH /* iSCSI connection error - Sense data length > 256 (Initiator only) */, 981*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR /* iSCSI connection error - Data placement error */, 982*14b24e2bSVaishali Kulkarni ISCSI_CONN_ERROR_INVALID_ITT /* iSCSI connection error - Invalid ITT (Target Only) */, 983*14b24e2bSVaishali Kulkarni ISCSI_ERROR_UNKNOWN /* iSCSI connection error */, 984*14b24e2bSVaishali Kulkarni MAX_ISCSI_ERROR_TYPES 985*14b24e2bSVaishali Kulkarni }; 986*14b24e2bSVaishali Kulkarni 987*14b24e2bSVaishali Kulkarni 988*14b24e2bSVaishali Kulkarni 989*14b24e2bSVaishali Kulkarni 990*14b24e2bSVaishali Kulkarni 991*14b24e2bSVaishali Kulkarni 992*14b24e2bSVaishali Kulkarni 993*14b24e2bSVaishali Kulkarni 994*14b24e2bSVaishali Kulkarni 995*14b24e2bSVaishali Kulkarni 996*14b24e2bSVaishali Kulkarni /* 997*14b24e2bSVaishali Kulkarni * iSCSI Ramrod Command IDs 998*14b24e2bSVaishali Kulkarni */ 999*14b24e2bSVaishali Kulkarni enum iscsi_ramrod_cmd_id 1000*14b24e2bSVaishali Kulkarni { 1001*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_UNUSED=0, 1002*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_INIT_FUNC=1 /* iSCSI function init Ramrod */, 1003*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_DESTROY_FUNC=2 /* iSCSI function destroy Ramrod */, 1004*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN=3 /* iSCSI connection offload Ramrod */, 1005*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_UPDATE_CONN=4 /* iSCSI connection update Ramrod */, 1006*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_TERMINATION_CONN=5 /* iSCSI connection offload Ramrod. Command ID known only to FW and VBD */, 1007*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_CLEAR_SQ=6 /* iSCSI connection clear-sq ramrod. */, 1008*14b24e2bSVaishali Kulkarni ISCSI_RAMROD_CMD_ID_MAC_UPDATE=7 /* iSCSI connection update MAC address ramrod. */, 1009*14b24e2bSVaishali Kulkarni MAX_ISCSI_RAMROD_CMD_ID 1010*14b24e2bSVaishali Kulkarni }; 1011*14b24e2bSVaishali Kulkarni 1012*14b24e2bSVaishali Kulkarni 1013*14b24e2bSVaishali Kulkarni struct iscsi_reg1 1014*14b24e2bSVaishali Kulkarni { 1015*14b24e2bSVaishali Kulkarni __le32 reg1_map; 1016*14b24e2bSVaishali Kulkarni #define ISCSI_REG1_NUM_SGES_MASK 0xF /* Written to R2tQE */ 1017*14b24e2bSVaishali Kulkarni #define ISCSI_REG1_NUM_SGES_SHIFT 0 1018*14b24e2bSVaishali Kulkarni #define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF /* reserved */ 1019*14b24e2bSVaishali Kulkarni #define ISCSI_REG1_RESERVED1_SHIFT 4 1020*14b24e2bSVaishali Kulkarni }; 1021*14b24e2bSVaishali Kulkarni 1022*14b24e2bSVaishali Kulkarni 1023*14b24e2bSVaishali Kulkarni 1024*14b24e2bSVaishali Kulkarni 1025*14b24e2bSVaishali Kulkarni /* 1026*14b24e2bSVaishali Kulkarni * Union of data/r2t sequence number 1027*14b24e2bSVaishali Kulkarni */ 1028*14b24e2bSVaishali Kulkarni union iscsi_seq_num 1029*14b24e2bSVaishali Kulkarni { 1030*14b24e2bSVaishali Kulkarni __le16 data_sn /* data-in sequence number */; 1031*14b24e2bSVaishali Kulkarni __le16 r2t_sn /* r2t pdu sequence number */; 1032*14b24e2bSVaishali Kulkarni }; 1033*14b24e2bSVaishali Kulkarni 1034*14b24e2bSVaishali Kulkarni 1035*14b24e2bSVaishali Kulkarni 1036*14b24e2bSVaishali Kulkarni /* 1037*14b24e2bSVaishali Kulkarni * ISCSI connection termination request 1038*14b24e2bSVaishali Kulkarni */ 1039*14b24e2bSVaishali Kulkarni struct iscsi_spe_conn_mac_update 1040*14b24e2bSVaishali Kulkarni { 1041*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr hdr /* spe message header. */; 1042*14b24e2bSVaishali Kulkarni __le16 conn_id /* ISCSI Connection ID. */; 1043*14b24e2bSVaishali Kulkarni __le32 fw_cid /* Context ID (cid) of the connection. */; 1044*14b24e2bSVaishali Kulkarni __le16 remote_mac_addr_lo /* new remote mac address lo */; 1045*14b24e2bSVaishali Kulkarni __le16 remote_mac_addr_mid /* new remote mac address mid */; 1046*14b24e2bSVaishali Kulkarni __le16 remote_mac_addr_hi /* new remote mac address hi */; 1047*14b24e2bSVaishali Kulkarni u8 reserved0[2]; 1048*14b24e2bSVaishali Kulkarni }; 1049*14b24e2bSVaishali Kulkarni 1050*14b24e2bSVaishali Kulkarni 1051*14b24e2bSVaishali Kulkarni /* 1052*14b24e2bSVaishali Kulkarni * ISCSI and TCP connection(Option 1) offload params passed by driver to FW in ISCSI offload ramrod 1053*14b24e2bSVaishali Kulkarni */ 1054*14b24e2bSVaishali Kulkarni struct iscsi_spe_conn_offload 1055*14b24e2bSVaishali Kulkarni { 1056*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr hdr /* spe message header. */; 1057*14b24e2bSVaishali Kulkarni __le16 conn_id /* ISCSI Connection ID. */; 1058*14b24e2bSVaishali Kulkarni __le32 fw_cid; 1059*14b24e2bSVaishali Kulkarni struct iscsi_conn_offload_params iscsi /* iSCSI session offload params */; 1060*14b24e2bSVaishali Kulkarni struct tcp_offload_params tcp /* iSCSI session offload params */; 1061*14b24e2bSVaishali Kulkarni }; 1062*14b24e2bSVaishali Kulkarni 1063*14b24e2bSVaishali Kulkarni 1064*14b24e2bSVaishali Kulkarni /* 1065*14b24e2bSVaishali Kulkarni * ISCSI and TCP connection(Option 2) offload params passed by driver to FW in ISCSI offload ramrod 1066*14b24e2bSVaishali Kulkarni */ 1067*14b24e2bSVaishali Kulkarni struct iscsi_spe_conn_offload_option2 1068*14b24e2bSVaishali Kulkarni { 1069*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr hdr /* spe message header. */; 1070*14b24e2bSVaishali Kulkarni __le16 conn_id /* ISCSI Connection ID. */; 1071*14b24e2bSVaishali Kulkarni __le32 fw_cid; 1072*14b24e2bSVaishali Kulkarni struct iscsi_conn_offload_params iscsi /* iSCSI session offload params */; 1073*14b24e2bSVaishali Kulkarni struct tcp_offload_params_opt2 tcp /* iSCSI session offload params */; 1074*14b24e2bSVaishali Kulkarni }; 1075*14b24e2bSVaishali Kulkarni 1076*14b24e2bSVaishali Kulkarni 1077*14b24e2bSVaishali Kulkarni /* 1078*14b24e2bSVaishali Kulkarni * ISCSI connection termination request 1079*14b24e2bSVaishali Kulkarni */ 1080*14b24e2bSVaishali Kulkarni struct iscsi_spe_conn_termination 1081*14b24e2bSVaishali Kulkarni { 1082*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr hdr /* spe message header. */; 1083*14b24e2bSVaishali Kulkarni __le16 conn_id /* ISCSI Connection ID. */; 1084*14b24e2bSVaishali Kulkarni __le32 fw_cid /* Context ID (cid) of the connection. */; 1085*14b24e2bSVaishali Kulkarni u8 abortive /* Mark termination as abort(reset) flow */; 1086*14b24e2bSVaishali Kulkarni u8 reserved0[7]; 1087*14b24e2bSVaishali Kulkarni struct regpair queue_cnts_addr /* cmdq and unsolicited counters termination params */; 1088*14b24e2bSVaishali Kulkarni struct regpair query_params_addr /* query_params_ptr */; 1089*14b24e2bSVaishali Kulkarni }; 1090*14b24e2bSVaishali Kulkarni 1091*14b24e2bSVaishali Kulkarni 1092*14b24e2bSVaishali Kulkarni /* 1093*14b24e2bSVaishali Kulkarni * iSCSI firmware function destroy parameters 1094*14b24e2bSVaishali Kulkarni */ 1095*14b24e2bSVaishali Kulkarni struct iscsi_spe_func_dstry 1096*14b24e2bSVaishali Kulkarni { 1097*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr hdr /* spe message header. */; 1098*14b24e2bSVaishali Kulkarni __le16 reserved0; 1099*14b24e2bSVaishali Kulkarni __le32 reserved1; 1100*14b24e2bSVaishali Kulkarni }; 1101*14b24e2bSVaishali Kulkarni 1102*14b24e2bSVaishali Kulkarni 1103*14b24e2bSVaishali Kulkarni /* 1104*14b24e2bSVaishali Kulkarni * iSCSI firmware function init parameters 1105*14b24e2bSVaishali Kulkarni */ 1106*14b24e2bSVaishali Kulkarni struct iscsi_spe_func_init 1107*14b24e2bSVaishali Kulkarni { 1108*14b24e2bSVaishali Kulkarni struct iscsi_slow_path_hdr hdr /* spe message header. */; 1109*14b24e2bSVaishali Kulkarni __le16 half_way_close_timeout /* Half Way Close Timeout in Option 2 Close */; 1110*14b24e2bSVaishali Kulkarni u8 num_sq_pages_in_ring /* Number of entries in the SQ PBL. Provided by driver at function init spe */; 1111*14b24e2bSVaishali Kulkarni u8 num_r2tq_pages_in_ring /* Number of entries in the R2TQ PBL. Provided by driver at function init spe */; 1112*14b24e2bSVaishali Kulkarni u8 num_uhq_pages_in_ring /* Number of entries in the uHQ PBL (xHQ entries is X2). Provided by driver at function init spe */; 1113*14b24e2bSVaishali Kulkarni u8 ll2_rx_queue_id /* Queue ID of the Light-L2 Rx Queue */; 1114*14b24e2bSVaishali Kulkarni u8 ooo_enable /* Enable Out Of Order mode (enable = 1) */; 1115*14b24e2bSVaishali Kulkarni struct iscsi_debug_modes debug_mode /* Use iscsi_debug_mode flags */; 1116*14b24e2bSVaishali Kulkarni __le16 reserved1; 1117*14b24e2bSVaishali Kulkarni __le32 reserved2; 1118*14b24e2bSVaishali Kulkarni __le32 reserved3; 1119*14b24e2bSVaishali Kulkarni __le32 reserved4; 1120*14b24e2bSVaishali Kulkarni struct scsi_init_func_params func_params /* Common SCSI init params passed by driver to FW in function init ramrod */; 1121*14b24e2bSVaishali Kulkarni struct scsi_init_func_queues q_params /* SCSI RQ/CQ firmware function init parameters */; 1122*14b24e2bSVaishali Kulkarni }; 1123*14b24e2bSVaishali Kulkarni 1124*14b24e2bSVaishali Kulkarni 1125*14b24e2bSVaishali Kulkarni /* 1126*14b24e2bSVaishali Kulkarni * The iscsi storm task context of Ystorm 1127*14b24e2bSVaishali Kulkarni */ 1128*14b24e2bSVaishali Kulkarni struct ystorm_iscsi_task_state 1129*14b24e2bSVaishali Kulkarni { 1130*14b24e2bSVaishali Kulkarni struct scsi_cached_sges data_desc; 1131*14b24e2bSVaishali Kulkarni struct scsi_sgl_params sgl_params; 1132*14b24e2bSVaishali Kulkarni __le32 exp_r2t_sn /* Initiator mode - Expected R2T PDU index in sequence. [variable, initialized 0] */; 1133*14b24e2bSVaishali Kulkarni __le32 buffer_offset /* Payload data offset */; 1134*14b24e2bSVaishali Kulkarni union iscsi_seq_num seq_num /* PDU index in sequence */; 1135*14b24e2bSVaishali Kulkarni struct iscsi_dif_flags dif_flags /* Dif flags */; 1136*14b24e2bSVaishali Kulkarni u8 flags; 1137*14b24e2bSVaishali Kulkarni #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1 /* local_completion */ 1138*14b24e2bSVaishali Kulkarni #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0 1139*14b24e2bSVaishali Kulkarni #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1 /* Equals 1 if SGL is predicted and 0 otherwise. */ 1140*14b24e2bSVaishali Kulkarni #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1 1141*14b24e2bSVaishali Kulkarni #define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x3F 1142*14b24e2bSVaishali Kulkarni #define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 2 1143*14b24e2bSVaishali Kulkarni }; 1144*14b24e2bSVaishali Kulkarni 1145*14b24e2bSVaishali Kulkarni /* 1146*14b24e2bSVaishali Kulkarni * The iscsi storm task context of Ystorm 1147*14b24e2bSVaishali Kulkarni */ 1148*14b24e2bSVaishali Kulkarni struct ystorm_iscsi_task_rxmit_opt 1149*14b24e2bSVaishali Kulkarni { 1150*14b24e2bSVaishali Kulkarni __le32 fast_rxmit_sge_offset /* SGE offset from which to continue dummy-read or start fast retransmit */; 1151*14b24e2bSVaishali Kulkarni __le32 scan_start_buffer_offset /* Starting buffer offset of next retransmit SGL scan */; 1152*14b24e2bSVaishali Kulkarni __le32 fast_rxmit_buffer_offset /* Buffer offset from which to continue dummy-read or start fast retransmit */; 1153*14b24e2bSVaishali Kulkarni u8 scan_start_sgl_index /* Starting SGL index of next retransmit SGL scan */; 1154*14b24e2bSVaishali Kulkarni u8 fast_rxmit_sgl_index /* SGL index from which to continue dummy-read or start fast retransmit */; 1155*14b24e2bSVaishali Kulkarni __le16 reserved /* reserved */; 1156*14b24e2bSVaishali Kulkarni }; 1157*14b24e2bSVaishali Kulkarni 1158*14b24e2bSVaishali Kulkarni /* 1159*14b24e2bSVaishali Kulkarni * The iscsi storm task context of Ystorm 1160*14b24e2bSVaishali Kulkarni */ 1161*14b24e2bSVaishali Kulkarni struct ystorm_iscsi_task_st_ctx 1162*14b24e2bSVaishali Kulkarni { 1163*14b24e2bSVaishali Kulkarni struct ystorm_iscsi_task_state state /* iSCSI task parameters and state */; 1164*14b24e2bSVaishali Kulkarni struct ystorm_iscsi_task_rxmit_opt rxmit_opt /* iSCSI retransmit optimizations parameters */; 1165*14b24e2bSVaishali Kulkarni union iscsi_task_hdr pdu_hdr /* PDU header - [constant initialized] */; 1166*14b24e2bSVaishali Kulkarni }; 1167*14b24e2bSVaishali Kulkarni 1168*14b24e2bSVaishali Kulkarni struct e4_ystorm_iscsi_task_ag_ctx 1169*14b24e2bSVaishali Kulkarni { 1170*14b24e2bSVaishali Kulkarni u8 reserved /* cdu_validation */; 1171*14b24e2bSVaishali Kulkarni u8 byte1 /* state */; 1172*14b24e2bSVaishali Kulkarni __le16 word0 /* icid */; 1173*14b24e2bSVaishali Kulkarni u8 flags0; 1174*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 1175*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1176*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 1177*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1178*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1179*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1180*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 1181*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1182*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 /* bit3 */ 1183*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1184*14b24e2bSVaishali Kulkarni u8 flags1; 1185*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* cf0 */ 1186*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 1187*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 1188*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1189*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 /* cf2special */ 1190*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 1191*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 1192*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 1193*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1194*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1195*14b24e2bSVaishali Kulkarni u8 flags2; 1196*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 1197*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1198*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1199*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1200*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1201*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1202*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1203*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1204*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1205*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1206*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1207*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1208*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1209*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1210*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1211*14b24e2bSVaishali Kulkarni #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1212*14b24e2bSVaishali Kulkarni u8 byte2 /* byte2 */; 1213*14b24e2bSVaishali Kulkarni __le32 TTT /* reg0 */; 1214*14b24e2bSVaishali Kulkarni u8 byte3 /* byte3 */; 1215*14b24e2bSVaishali Kulkarni u8 byte4 /* byte4 */; 1216*14b24e2bSVaishali Kulkarni __le16 word1 /* word1 */; 1217*14b24e2bSVaishali Kulkarni }; 1218*14b24e2bSVaishali Kulkarni 1219*14b24e2bSVaishali Kulkarni struct e4_mstorm_iscsi_task_ag_ctx 1220*14b24e2bSVaishali Kulkarni { 1221*14b24e2bSVaishali Kulkarni u8 cdu_validation /* cdu_validation */; 1222*14b24e2bSVaishali Kulkarni u8 byte1 /* state */; 1223*14b24e2bSVaishali Kulkarni __le16 task_cid /* icid */; 1224*14b24e2bSVaishali Kulkarni u8 flags0; 1225*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 1226*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1227*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 1228*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1229*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1230*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1231*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 1232*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1233*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 /* bit3 */ 1234*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 1235*14b24e2bSVaishali Kulkarni u8 flags1; 1236*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 /* cf0 */ 1237*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 1238*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 1239*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1240*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* cf2 */ 1241*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 1242*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 /* cf0en */ 1243*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 1244*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1245*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1246*14b24e2bSVaishali Kulkarni u8 flags2; 1247*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 1248*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 1249*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1250*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1251*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1252*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1253*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1254*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1255*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1256*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1257*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1258*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1259*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1260*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1261*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1262*14b24e2bSVaishali Kulkarni #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1263*14b24e2bSVaishali Kulkarni u8 byte2 /* byte2 */; 1264*14b24e2bSVaishali Kulkarni __le32 reg0 /* reg0 */; 1265*14b24e2bSVaishali Kulkarni u8 byte3 /* byte3 */; 1266*14b24e2bSVaishali Kulkarni u8 byte4 /* byte4 */; 1267*14b24e2bSVaishali Kulkarni __le16 word1 /* word1 */; 1268*14b24e2bSVaishali Kulkarni }; 1269*14b24e2bSVaishali Kulkarni 1270*14b24e2bSVaishali Kulkarni struct e4_ustorm_iscsi_task_ag_ctx 1271*14b24e2bSVaishali Kulkarni { 1272*14b24e2bSVaishali Kulkarni u8 reserved /* cdu_validation */; 1273*14b24e2bSVaishali Kulkarni u8 state /* state */; 1274*14b24e2bSVaishali Kulkarni __le16 icid /* icid */; 1275*14b24e2bSVaishali Kulkarni u8 flags0; 1276*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 1277*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1278*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 1279*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1280*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1281*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1282*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 /* timer0cf */ 1283*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 1284*14b24e2bSVaishali Kulkarni u8 flags1; 1285*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 /* timer1cf */ 1286*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 1287*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 /* timer2cf */ 1288*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 1289*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 1290*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 1291*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 /* cf4 */ 1292*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 1293*14b24e2bSVaishali Kulkarni u8 flags2; 1294*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 /* cf0en */ 1295*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 1296*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 /* cf1en */ 1297*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 1298*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 /* cf2en */ 1299*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 1300*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 1301*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 1302*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 /* cf4en */ 1303*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 1304*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 /* rule0en */ 1305*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 1306*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1307*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 1308*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 /* rule2en */ 1309*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 1310*14b24e2bSVaishali Kulkarni u8 flags3; 1311*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1312*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 1313*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1314*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 1315*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1316*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 1317*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1318*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 1319*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF /* nibble1 */ 1320*14b24e2bSVaishali Kulkarni #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 1321*14b24e2bSVaishali Kulkarni __le32 dif_err_intervals /* reg0 */; 1322*14b24e2bSVaishali Kulkarni __le32 dif_error_1st_interval /* reg1 */; 1323*14b24e2bSVaishali Kulkarni __le32 rcv_cont_len /* reg2 */; 1324*14b24e2bSVaishali Kulkarni __le32 exp_cont_len /* reg3 */; 1325*14b24e2bSVaishali Kulkarni __le32 total_data_acked /* reg4 */; 1326*14b24e2bSVaishali Kulkarni __le32 exp_data_acked /* reg5 */; 1327*14b24e2bSVaishali Kulkarni u8 next_tid_valid /* byte2 */; 1328*14b24e2bSVaishali Kulkarni u8 byte3 /* byte3 */; 1329*14b24e2bSVaishali Kulkarni __le16 word1 /* word1 */; 1330*14b24e2bSVaishali Kulkarni __le16 next_tid /* word2 */; 1331*14b24e2bSVaishali Kulkarni __le16 word3 /* word3 */; 1332*14b24e2bSVaishali Kulkarni __le32 hdr_residual_count /* reg6 */; 1333*14b24e2bSVaishali Kulkarni __le32 exp_r2t_sn /* reg7 */; 1334*14b24e2bSVaishali Kulkarni }; 1335*14b24e2bSVaishali Kulkarni 1336*14b24e2bSVaishali Kulkarni /* 1337*14b24e2bSVaishali Kulkarni * The iscsi storm task context of Mstorm 1338*14b24e2bSVaishali Kulkarni */ 1339*14b24e2bSVaishali Kulkarni struct mstorm_iscsi_task_st_ctx 1340*14b24e2bSVaishali Kulkarni { 1341*14b24e2bSVaishali Kulkarni struct scsi_cached_sges data_desc /* Union of Data SGL / cached sge */; 1342*14b24e2bSVaishali Kulkarni struct scsi_sgl_params sgl_params; 1343*14b24e2bSVaishali Kulkarni __le32 rem_task_size /* Remaining task size, used for placement verification */; 1344*14b24e2bSVaishali Kulkarni __le32 data_buffer_offset /* Buffer offset */; 1345*14b24e2bSVaishali Kulkarni u8 task_type /* Task type, (use: iscsi_task_type enum) */; 1346*14b24e2bSVaishali Kulkarni struct iscsi_dif_flags dif_flags /* sizes of host/peer protection intervals + protection log interval */; 1347*14b24e2bSVaishali Kulkarni u8 reserved0[2] /* reserved0 */; 1348*14b24e2bSVaishali Kulkarni struct regpair sense_db /* Pointer to sense data buffer */; 1349*14b24e2bSVaishali Kulkarni __le32 expected_itt /* ITT - for target mode validations */; 1350*14b24e2bSVaishali Kulkarni __le32 reserved1 /* reserved1 */; 1351*14b24e2bSVaishali Kulkarni }; 1352*14b24e2bSVaishali Kulkarni 1353*14b24e2bSVaishali Kulkarni /* 1354*14b24e2bSVaishali Kulkarni * The iscsi storm task context of Ustorm 1355*14b24e2bSVaishali Kulkarni */ 1356*14b24e2bSVaishali Kulkarni struct ustorm_iscsi_task_st_ctx 1357*14b24e2bSVaishali Kulkarni { 1358*14b24e2bSVaishali Kulkarni __le32 rem_rcv_len /* Remaining data to be received in bytes. Used in validations */; 1359*14b24e2bSVaishali Kulkarni __le32 exp_data_transfer_len /* iSCSI Initiator - The size of the transmitted task, iSCSI Target - the size of the Rx continuation */; 1360*14b24e2bSVaishali Kulkarni __le32 exp_data_sn /* Expected data SN */; 1361*14b24e2bSVaishali Kulkarni struct regpair lun /* LUN */; 1362*14b24e2bSVaishali Kulkarni struct iscsi_reg1 reg1; 1363*14b24e2bSVaishali Kulkarni u8 flags2; 1364*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 /* Initiator Mode - Mark AHS exist */ 1365*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 1366*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F 1367*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 1368*14b24e2bSVaishali Kulkarni struct iscsi_dif_flags dif_flags /* Dif flags (written to R2T WQE) */; 1369*14b24e2bSVaishali Kulkarni __le16 reserved3; 1370*14b24e2bSVaishali Kulkarni __le32 reserved4; 1371*14b24e2bSVaishali Kulkarni __le32 reserved5; 1372*14b24e2bSVaishali Kulkarni __le32 reserved6; 1373*14b24e2bSVaishali Kulkarni __le32 reserved7; 1374*14b24e2bSVaishali Kulkarni u8 task_type /* Task Type */; 1375*14b24e2bSVaishali Kulkarni u8 error_flags; 1376*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 /* Mark task with data digest error (1 bit) */ 1377*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 1378*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 /* Target Mode - Mark middle task error, data truncated */ 1379*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 1380*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 1381*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 1382*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F 1383*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 1384*14b24e2bSVaishali Kulkarni u8 flags; 1385*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 /* mark task cqe write (for cleanup flow) */ 1386*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 1387*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 /* local completion bit */ 1388*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 1389*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 /* write R2TQE from Q0 flow */ 1390*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 1391*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 /* Mark total data acked or disabled */ 1392*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 1393*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 /* Mark HQ scanned or disabled */ 1394*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 1395*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 /* Mark HQ scanned or disabled */ 1396*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 1397*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 1398*14b24e2bSVaishali Kulkarni #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 1399*14b24e2bSVaishali Kulkarni u8 cq_rss_number /* Task CQ_RSS number 0.63 */; 1400*14b24e2bSVaishali Kulkarni }; 1401*14b24e2bSVaishali Kulkarni 1402*14b24e2bSVaishali Kulkarni /* 1403*14b24e2bSVaishali Kulkarni * iscsi task context 1404*14b24e2bSVaishali Kulkarni */ 1405*14b24e2bSVaishali Kulkarni struct iscsi_task_context 1406*14b24e2bSVaishali Kulkarni { 1407*14b24e2bSVaishali Kulkarni struct ystorm_iscsi_task_st_ctx ystorm_st_context /* ystorm storm context */; 1408*14b24e2bSVaishali Kulkarni struct e4_ystorm_iscsi_task_ag_ctx ystorm_ag_context /* ystorm aggregative context */; 1409*14b24e2bSVaishali Kulkarni struct regpair ystorm_ag_padding[2] /* padding */; 1410*14b24e2bSVaishali Kulkarni struct tdif_task_context tdif_context /* tdif context */; 1411*14b24e2bSVaishali Kulkarni struct e4_mstorm_iscsi_task_ag_ctx mstorm_ag_context /* mstorm aggregative context */; 1412*14b24e2bSVaishali Kulkarni struct regpair mstorm_ag_padding[2] /* padding */; 1413*14b24e2bSVaishali Kulkarni struct e4_ustorm_iscsi_task_ag_ctx ustorm_ag_context /* ustorm aggregative context */; 1414*14b24e2bSVaishali Kulkarni struct mstorm_iscsi_task_st_ctx mstorm_st_context /* mstorm storm context */; 1415*14b24e2bSVaishali Kulkarni struct ustorm_iscsi_task_st_ctx ustorm_st_context /* ustorm storm context */; 1416*14b24e2bSVaishali Kulkarni struct rdif_task_context rdif_context /* rdif context */; 1417*14b24e2bSVaishali Kulkarni }; 1418*14b24e2bSVaishali Kulkarni 1419*14b24e2bSVaishali Kulkarni 1420*14b24e2bSVaishali Kulkarni 1421*14b24e2bSVaishali Kulkarni /* 1422*14b24e2bSVaishali Kulkarni * iSCSI task type 1423*14b24e2bSVaishali Kulkarni */ 1424*14b24e2bSVaishali Kulkarni enum iscsi_task_type 1425*14b24e2bSVaishali Kulkarni { 1426*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_INITIATOR_WRITE, 1427*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_INITIATOR_READ, 1428*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_MIDPATH, 1429*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_UNSOLIC, 1430*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_EXCHCLEANUP, 1431*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_IRRELEVANT, 1432*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_TARGET_WRITE, 1433*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_TARGET_READ, 1434*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_TARGET_RESPONSE, 1435*14b24e2bSVaishali Kulkarni ISCSI_TASK_TYPE_LOGIN_RESPONSE, 1436*14b24e2bSVaishali Kulkarni MAX_ISCSI_TASK_TYPE 1437*14b24e2bSVaishali Kulkarni }; 1438*14b24e2bSVaishali Kulkarni 1439*14b24e2bSVaishali Kulkarni 1440*14b24e2bSVaishali Kulkarni 1441*14b24e2bSVaishali Kulkarni 1442*14b24e2bSVaishali Kulkarni 1443*14b24e2bSVaishali Kulkarni 1444*14b24e2bSVaishali Kulkarni /* 1445*14b24e2bSVaishali Kulkarni * iSCSI DesiredDataTransferLength/ttt union 1446*14b24e2bSVaishali Kulkarni */ 1447*14b24e2bSVaishali Kulkarni union iscsi_ttt_txlen_union 1448*14b24e2bSVaishali Kulkarni { 1449*14b24e2bSVaishali Kulkarni __le32 desired_tx_len /* desired data transfer length */; 1450*14b24e2bSVaishali Kulkarni __le32 ttt /* target transfer tag */; 1451*14b24e2bSVaishali Kulkarni }; 1452*14b24e2bSVaishali Kulkarni 1453*14b24e2bSVaishali Kulkarni 1454*14b24e2bSVaishali Kulkarni /* 1455*14b24e2bSVaishali Kulkarni * iSCSI uHQ element 1456*14b24e2bSVaishali Kulkarni */ 1457*14b24e2bSVaishali Kulkarni struct iscsi_uhqe 1458*14b24e2bSVaishali Kulkarni { 1459*14b24e2bSVaishali Kulkarni __le32 reg1; 1460*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF /* iSCSI payload (doesnt include padding or digest) or AHS length */ 1461*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 1462*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 /* local compleiton flag */ 1463*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 1464*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 /* toggle bit to protect from uHQ full */ 1465*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 1466*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 /* indicates whether pdu_payload_len contains pure payload length. if not, pdu_payload_len is AHS length */ 1467*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 1468*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 /* indicates login pdu */ 1469*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 1470*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF /* most significant byte of task_id */ 1471*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 1472*14b24e2bSVaishali Kulkarni __le32 reg2; 1473*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF /* absolute offset in task */ 1474*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 1475*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF /* least significant byte of task_id */ 1476*14b24e2bSVaishali Kulkarni #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 1477*14b24e2bSVaishali Kulkarni }; 1478*14b24e2bSVaishali Kulkarni 1479*14b24e2bSVaishali Kulkarni 1480*14b24e2bSVaishali Kulkarni /* 1481*14b24e2bSVaishali Kulkarni * iSCSI WQ element 1482*14b24e2bSVaishali Kulkarni */ 1483*14b24e2bSVaishali Kulkarni struct iscsi_wqe 1484*14b24e2bSVaishali Kulkarni { 1485*14b24e2bSVaishali Kulkarni __le16 task_id /* The task identifier (itt) includes all the relevant information required for the task processing */; 1486*14b24e2bSVaishali Kulkarni u8 flags; 1487*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_WQE_TYPE_MASK 0x7 /* Wqe type [use iscsi_wqe_type] */ 1488*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_WQE_TYPE_SHIFT 0 1489*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_NUM_SGES_MASK 0xF /* The driver will give a hint about sizes of SGEs for better credits evaluation at Xstorm */ 1490*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_NUM_SGES_SHIFT 3 1491*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_RESPONSE_MASK 0x1 /* 1 if this Wqe triggers a response and advances stat_sn, 0 otherwise */ 1492*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_RESPONSE_SHIFT 7 1493*14b24e2bSVaishali Kulkarni struct iscsi_dif_flags prot_flags /* Task data-integrity flags (protection) */; 1494*14b24e2bSVaishali Kulkarni __le32 contlen_cdbsize; 1495*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF /* expected/desired data transfer length */ 1496*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_CONT_LEN_SHIFT 0 1497*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_CDB_SIZE_MASK 0xFF /* Initiator mode only: equals SCSI command CDB size if extended CDB is used, otherwise equals zero. */ 1498*14b24e2bSVaishali Kulkarni #define ISCSI_WQE_CDB_SIZE_SHIFT 24 1499*14b24e2bSVaishali Kulkarni }; 1500*14b24e2bSVaishali Kulkarni 1501*14b24e2bSVaishali Kulkarni 1502*14b24e2bSVaishali Kulkarni /* 1503*14b24e2bSVaishali Kulkarni * iSCSI wqe type 1504*14b24e2bSVaishali Kulkarni */ 1505*14b24e2bSVaishali Kulkarni enum iscsi_wqe_type 1506*14b24e2bSVaishali Kulkarni { 1507*14b24e2bSVaishali Kulkarni ISCSI_WQE_TYPE_NORMAL /* iSCSI WQE type normal. excluding status bit in target mode. */, 1508*14b24e2bSVaishali Kulkarni ISCSI_WQE_TYPE_TASK_CLEANUP /* iSCSI WQE type task cleanup */, 1509*14b24e2bSVaishali Kulkarni ISCSI_WQE_TYPE_MIDDLE_PATH /* iSCSI WQE type middle path */, 1510*14b24e2bSVaishali Kulkarni ISCSI_WQE_TYPE_LOGIN /* iSCSI WQE type login */, 1511*14b24e2bSVaishali Kulkarni ISCSI_WQE_TYPE_FIRST_R2T_CONT /* iSCSI WQE type First Write Continuation (Target) */, 1512*14b24e2bSVaishali Kulkarni ISCSI_WQE_TYPE_NONFIRST_R2T_CONT /* iSCSI WQE type Non-First Write Continuation (Target) */, 1513*14b24e2bSVaishali Kulkarni ISCSI_WQE_TYPE_RESPONSE /* iSCSI WQE type SCSI response */, 1514*14b24e2bSVaishali Kulkarni MAX_ISCSI_WQE_TYPE 1515*14b24e2bSVaishali Kulkarni }; 1516*14b24e2bSVaishali Kulkarni 1517*14b24e2bSVaishali Kulkarni 1518*14b24e2bSVaishali Kulkarni /* 1519*14b24e2bSVaishali Kulkarni * iSCSI xHQ element 1520*14b24e2bSVaishali Kulkarni */ 1521*14b24e2bSVaishali Kulkarni struct iscsi_xhqe 1522*14b24e2bSVaishali Kulkarni { 1523*14b24e2bSVaishali Kulkarni union iscsi_ttt_txlen_union ttt_or_txlen /* iSCSI DesiredDataTransferLength/ttt union */; 1524*14b24e2bSVaishali Kulkarni __le32 exp_stat_sn /* expected StatSn */; 1525*14b24e2bSVaishali Kulkarni struct iscsi_dif_flags prot_flags /* Task data-integrity flags (protection) */; 1526*14b24e2bSVaishali Kulkarni u8 total_ahs_length /* Initiator mode only: Total AHS Length. greater than zero if and only if PDU is SCSI command and CDB > 16 */; 1527*14b24e2bSVaishali Kulkarni u8 opcode /* Type opcode for command PDU */; 1528*14b24e2bSVaishali Kulkarni u8 flags; 1529*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_FINAL_MASK 0x1 /* The Final(F) for this PDU */ 1530*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_FINAL_SHIFT 0 1531*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_STATUS_BIT_MASK 0x1 /* Whether this PDU is Data-In PDU with status_bit = 1 */ 1532*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_STATUS_BIT_SHIFT 1 1533*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_NUM_SGES_MASK 0xF /* If Predicted IO equals Min(8, number of SGEs in SGL), otherwise equals 0 */ 1534*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_NUM_SGES_SHIFT 2 1535*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_RESERVED0_MASK 0x3 /* reserved */ 1536*14b24e2bSVaishali Kulkarni #define ISCSI_XHQE_RESERVED0_SHIFT 6 1537*14b24e2bSVaishali Kulkarni union iscsi_seq_num seq_num /* R2T/DataSN sequence number */; 1538*14b24e2bSVaishali Kulkarni __le16 reserved1; 1539*14b24e2bSVaishali Kulkarni }; 1540*14b24e2bSVaishali Kulkarni 1541*14b24e2bSVaishali Kulkarni 1542*14b24e2bSVaishali Kulkarni /* 1543*14b24e2bSVaishali Kulkarni * Per PF iSCSI receive path statistics - mStorm RAM structure 1544*14b24e2bSVaishali Kulkarni */ 1545*14b24e2bSVaishali Kulkarni struct mstorm_iscsi_stats_drv 1546*14b24e2bSVaishali Kulkarni { 1547*14b24e2bSVaishali Kulkarni struct regpair iscsi_rx_dropped_PDUs_task_not_valid /* Number of Rx silently dropped PDUs due to task not valid */; 1548*14b24e2bSVaishali Kulkarni }; 1549*14b24e2bSVaishali Kulkarni 1550*14b24e2bSVaishali Kulkarni 1551*14b24e2bSVaishali Kulkarni 1552*14b24e2bSVaishali Kulkarni /* 1553*14b24e2bSVaishali Kulkarni * Per PF iSCSI transmit path statistics - pStorm RAM structure 1554*14b24e2bSVaishali Kulkarni */ 1555*14b24e2bSVaishali Kulkarni struct pstorm_iscsi_stats_drv 1556*14b24e2bSVaishali Kulkarni { 1557*14b24e2bSVaishali Kulkarni struct regpair iscsi_tx_bytes_cnt /* Counts the number of tx bytes that were transmitted */; 1558*14b24e2bSVaishali Kulkarni struct regpair iscsi_tx_packet_cnt /* Counts the number of tx packets that were transmitted */; 1559*14b24e2bSVaishali Kulkarni }; 1560*14b24e2bSVaishali Kulkarni 1561*14b24e2bSVaishali Kulkarni 1562*14b24e2bSVaishali Kulkarni /* 1563*14b24e2bSVaishali Kulkarni * Per PF iSCSI receive path statistics - tStorm RAM structure 1564*14b24e2bSVaishali Kulkarni */ 1565*14b24e2bSVaishali Kulkarni struct tstorm_iscsi_stats_drv 1566*14b24e2bSVaishali Kulkarni { 1567*14b24e2bSVaishali Kulkarni struct regpair iscsi_rx_bytes_cnt /* Counts the number of rx bytes that were received */; 1568*14b24e2bSVaishali Kulkarni struct regpair iscsi_rx_packet_cnt /* Counts the number of rx packets that were received */; 1569*14b24e2bSVaishali Kulkarni struct regpair iscsi_rx_new_ooo_isle_events_cnt /* Counts the number of new out-of-order isle event */; 1570*14b24e2bSVaishali Kulkarni __le32 iscsi_cmdq_threshold_cnt /* Counts the number of times elements in cmdQ reached threshold */; 1571*14b24e2bSVaishali Kulkarni __le32 iscsi_rq_threshold_cnt /* Counts the number of times elements in RQQ reached threshold */; 1572*14b24e2bSVaishali Kulkarni __le32 iscsi_immq_threshold_cnt /* Counts the number of times elements in immQ reached threshold */; 1573*14b24e2bSVaishali Kulkarni }; 1574*14b24e2bSVaishali Kulkarni 1575*14b24e2bSVaishali Kulkarni 1576*14b24e2bSVaishali Kulkarni /* 1577*14b24e2bSVaishali Kulkarni * Per PF iSCSI receive path statistics - uStorm RAM structure 1578*14b24e2bSVaishali Kulkarni */ 1579*14b24e2bSVaishali Kulkarni struct ustorm_iscsi_stats_drv 1580*14b24e2bSVaishali Kulkarni { 1581*14b24e2bSVaishali Kulkarni struct regpair iscsi_rx_data_pdu_cnt /* Number of data PDUs that were received */; 1582*14b24e2bSVaishali Kulkarni struct regpair iscsi_rx_r2t_pdu_cnt /* Number of R2T PDUs that were received */; 1583*14b24e2bSVaishali Kulkarni struct regpair iscsi_rx_total_pdu_cnt /* Number of total PDUs that were received */; 1584*14b24e2bSVaishali Kulkarni }; 1585*14b24e2bSVaishali Kulkarni 1586*14b24e2bSVaishali Kulkarni 1587*14b24e2bSVaishali Kulkarni 1588*14b24e2bSVaishali Kulkarni /* 1589*14b24e2bSVaishali Kulkarni * Per PF iSCSI transmit path statistics - xStorm RAM structure 1590*14b24e2bSVaishali Kulkarni */ 1591*14b24e2bSVaishali Kulkarni struct xstorm_iscsi_stats_drv 1592*14b24e2bSVaishali Kulkarni { 1593*14b24e2bSVaishali Kulkarni struct regpair iscsi_tx_go_to_slow_start_event_cnt /* Number of times slow start event occurred */; 1594*14b24e2bSVaishali Kulkarni struct regpair iscsi_tx_fast_retransmit_event_cnt /* Number of times fast retransmit event occurred */; 1595*14b24e2bSVaishali Kulkarni }; 1596*14b24e2bSVaishali Kulkarni 1597*14b24e2bSVaishali Kulkarni 1598*14b24e2bSVaishali Kulkarni /* 1599*14b24e2bSVaishali Kulkarni * Per PF iSCSI transmit path statistics - yStorm RAM structure 1600*14b24e2bSVaishali Kulkarni */ 1601*14b24e2bSVaishali Kulkarni struct ystorm_iscsi_stats_drv 1602*14b24e2bSVaishali Kulkarni { 1603*14b24e2bSVaishali Kulkarni struct regpair iscsi_tx_data_pdu_cnt /* Number of data PDUs that were transmitted */; 1604*14b24e2bSVaishali Kulkarni struct regpair iscsi_tx_r2t_pdu_cnt /* Number of R2T PDUs that were transmitted */; 1605*14b24e2bSVaishali Kulkarni struct regpair iscsi_tx_total_pdu_cnt /* Number of total PDUs that were transmitted */; 1606*14b24e2bSVaishali Kulkarni }; 1607*14b24e2bSVaishali Kulkarni 1608*14b24e2bSVaishali Kulkarni 1609*14b24e2bSVaishali Kulkarni 1610*14b24e2bSVaishali Kulkarni 1611*14b24e2bSVaishali Kulkarni 1612*14b24e2bSVaishali Kulkarni 1613*14b24e2bSVaishali Kulkarni struct e4_tstorm_iscsi_task_ag_ctx 1614*14b24e2bSVaishali Kulkarni { 1615*14b24e2bSVaishali Kulkarni u8 byte0 /* cdu_validation */; 1616*14b24e2bSVaishali Kulkarni u8 byte1 /* state */; 1617*14b24e2bSVaishali Kulkarni __le16 word0 /* icid */; 1618*14b24e2bSVaishali Kulkarni u8 flags0; 1619*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 1620*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1621*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 1622*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1623*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1624*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1625*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 /* bit2 */ 1626*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 1627*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 /* bit3 */ 1628*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1629*14b24e2bSVaishali Kulkarni u8 flags1; 1630*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 1631*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1632*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 /* bit5 */ 1633*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 1634*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* timer0cf */ 1635*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 1636*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* timer1cf */ 1637*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 1638*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* timer2cf */ 1639*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 1640*14b24e2bSVaishali Kulkarni u8 flags2; 1641*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 1642*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 1643*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 /* cf4 */ 1644*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 1645*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 /* cf5 */ 1646*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 1647*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 /* cf6 */ 1648*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 1649*14b24e2bSVaishali Kulkarni u8 flags3; 1650*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 /* cf7 */ 1651*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 1652*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 1653*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 1654*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1655*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 1656*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 1657*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 1658*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 1659*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 1660*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 /* cf4en */ 1661*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 1662*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 /* cf5en */ 1663*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 1664*14b24e2bSVaishali Kulkarni u8 flags4; 1665*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 /* cf6en */ 1666*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 1667*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 /* cf7en */ 1668*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 1669*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1670*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 1671*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1672*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 1673*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1674*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 1675*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1676*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 1677*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1678*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 1679*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1680*14b24e2bSVaishali Kulkarni #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 1681*14b24e2bSVaishali Kulkarni u8 byte2 /* byte2 */; 1682*14b24e2bSVaishali Kulkarni __le16 word1 /* word1 */; 1683*14b24e2bSVaishali Kulkarni __le32 reg0 /* reg0 */; 1684*14b24e2bSVaishali Kulkarni u8 byte3 /* byte3 */; 1685*14b24e2bSVaishali Kulkarni u8 byte4 /* byte4 */; 1686*14b24e2bSVaishali Kulkarni __le16 word2 /* word2 */; 1687*14b24e2bSVaishali Kulkarni __le16 word3 /* word3 */; 1688*14b24e2bSVaishali Kulkarni __le16 word4 /* word4 */; 1689*14b24e2bSVaishali Kulkarni __le32 reg1 /* reg1 */; 1690*14b24e2bSVaishali Kulkarni __le32 reg2 /* reg2 */; 1691*14b24e2bSVaishali Kulkarni }; 1692*14b24e2bSVaishali Kulkarni 1693*14b24e2bSVaishali Kulkarni 1694*14b24e2bSVaishali Kulkarni 1695*14b24e2bSVaishali Kulkarni 1696*14b24e2bSVaishali Kulkarni struct e5_mstorm_iscsi_task_ag_ctx 1697*14b24e2bSVaishali Kulkarni { 1698*14b24e2bSVaishali Kulkarni u8 cdu_validation /* cdu_validation */; 1699*14b24e2bSVaishali Kulkarni u8 byte1 /* state_and_core_id */; 1700*14b24e2bSVaishali Kulkarni __le16 task_cid /* icid */; 1701*14b24e2bSVaishali Kulkarni u8 flags0; 1702*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 1703*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1704*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 1705*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1706*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1707*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1708*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 1709*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1710*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 /* bit3 */ 1711*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 1712*14b24e2bSVaishali Kulkarni u8 flags1; 1713*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 /* cf0 */ 1714*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 1715*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 1716*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1717*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* cf2 */ 1718*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 1719*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 /* cf0en */ 1720*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 1721*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1722*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1723*14b24e2bSVaishali Kulkarni u8 flags2; 1724*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 1725*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 1726*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1727*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1728*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1729*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1730*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1731*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1732*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1733*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1734*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1735*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1736*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1737*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1738*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1739*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1740*14b24e2bSVaishali Kulkarni u8 flags3; 1741*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_MASK 0x1 /* bit4 */ 1742*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_SHIFT 0 1743*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_MASK 0x3 /* cf3 */ 1744*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_SHIFT 1 1745*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_MASK 0x3 /* cf4 */ 1746*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_SHIFT 3 1747*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_MASK 0x1 /* cf3en */ 1748*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_SHIFT 5 1749*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_MASK 0x1 /* cf4en */ 1750*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_SHIFT 6 1751*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_MASK 0x1 /* rule7en */ 1752*14b24e2bSVaishali Kulkarni #define E5_MSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_SHIFT 7 1753*14b24e2bSVaishali Kulkarni __le32 reg0 /* reg0 */; 1754*14b24e2bSVaishali Kulkarni u8 byte2 /* byte2 */; 1755*14b24e2bSVaishali Kulkarni u8 byte3 /* byte3 */; 1756*14b24e2bSVaishali Kulkarni u8 byte4 /* byte4 */; 1757*14b24e2bSVaishali Kulkarni u8 e4_reserved7 /* byte5 */; 1758*14b24e2bSVaishali Kulkarni }; 1759*14b24e2bSVaishali Kulkarni 1760*14b24e2bSVaishali Kulkarni 1761*14b24e2bSVaishali Kulkarni struct e5_tstorm_iscsi_task_ag_ctx 1762*14b24e2bSVaishali Kulkarni { 1763*14b24e2bSVaishali Kulkarni u8 byte0 /* cdu_validation */; 1764*14b24e2bSVaishali Kulkarni u8 byte1 /* state_and_core_id */; 1765*14b24e2bSVaishali Kulkarni __le16 word0 /* icid */; 1766*14b24e2bSVaishali Kulkarni u8 flags0; 1767*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 1768*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1769*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 1770*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1771*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1772*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1773*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 /* bit2 */ 1774*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 1775*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 /* bit3 */ 1776*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1777*14b24e2bSVaishali Kulkarni u8 flags1; 1778*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 1779*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1780*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 /* bit5 */ 1781*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 1782*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* timer0cf */ 1783*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 1784*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* timer1cf */ 1785*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 1786*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 /* timer2cf */ 1787*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 1788*14b24e2bSVaishali Kulkarni u8 flags2; 1789*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 1790*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 1791*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 /* cf4 */ 1792*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 1793*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 /* cf5 */ 1794*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 1795*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 /* cf6 */ 1796*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 1797*14b24e2bSVaishali Kulkarni u8 flags3; 1798*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 /* cf7 */ 1799*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 1800*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 1801*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 1802*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1803*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 1804*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 /* cf2en */ 1805*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 1806*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 1807*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 1808*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 /* cf4en */ 1809*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 1810*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 /* cf5en */ 1811*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 1812*14b24e2bSVaishali Kulkarni u8 flags4; 1813*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 /* cf6en */ 1814*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 1815*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 /* cf7en */ 1816*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 1817*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1818*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 1819*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1820*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 1821*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1822*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 1823*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1824*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 1825*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1826*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 1827*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1828*14b24e2bSVaishali Kulkarni #define E5_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 1829*14b24e2bSVaishali Kulkarni u8 byte2 /* byte2 */; 1830*14b24e2bSVaishali Kulkarni __le16 word1 /* word1 */; 1831*14b24e2bSVaishali Kulkarni __le32 reg0 /* reg0 */; 1832*14b24e2bSVaishali Kulkarni u8 byte3 /* regpair0 */; 1833*14b24e2bSVaishali Kulkarni u8 byte4 /* byte4 */; 1834*14b24e2bSVaishali Kulkarni __le16 word2 /* word2 */; 1835*14b24e2bSVaishali Kulkarni __le16 word3 /* word3 */; 1836*14b24e2bSVaishali Kulkarni __le16 word4 /* word4 */; 1837*14b24e2bSVaishali Kulkarni __le32 reg1 /* regpair1 */; 1838*14b24e2bSVaishali Kulkarni __le32 reg2 /* reg2 */; 1839*14b24e2bSVaishali Kulkarni }; 1840*14b24e2bSVaishali Kulkarni 1841*14b24e2bSVaishali Kulkarni 1842*14b24e2bSVaishali Kulkarni struct e5_ustorm_iscsi_task_ag_ctx 1843*14b24e2bSVaishali Kulkarni { 1844*14b24e2bSVaishali Kulkarni u8 reserved /* cdu_validation */; 1845*14b24e2bSVaishali Kulkarni u8 state_and_core_id /* state_and_core_id */; 1846*14b24e2bSVaishali Kulkarni __le16 icid /* icid */; 1847*14b24e2bSVaishali Kulkarni u8 flags0; 1848*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF /* connection_type */ 1849*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1850*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 /* exist_in_qm0 */ 1851*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1852*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1853*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1854*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 /* timer0cf */ 1855*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 1856*14b24e2bSVaishali Kulkarni u8 flags1; 1857*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 /* timer1cf */ 1858*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 1859*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 /* timer2cf */ 1860*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 1861*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 /* timer_stop_all */ 1862*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 1863*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 /* dif_error_cf */ 1864*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 1865*14b24e2bSVaishali Kulkarni u8 flags2; 1866*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 /* cf0en */ 1867*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 1868*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 /* cf1en */ 1869*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 1870*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 /* cf2en */ 1871*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 1872*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 /* cf3en */ 1873*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 1874*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 /* cf4en */ 1875*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 1876*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 /* rule0en */ 1877*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 1878*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1879*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 1880*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 /* rule2en */ 1881*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 1882*14b24e2bSVaishali Kulkarni u8 flags3; 1883*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1884*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 1885*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1886*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 1887*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1888*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 1889*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1890*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 1891*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_MASK 0x1 /* bit2 */ 1892*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_SHIFT 4 1893*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_MASK 0x1 /* bit3 */ 1894*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_SHIFT 5 1895*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_MASK 0x1 /* bit4 */ 1896*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_SHIFT 6 1897*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_MASK 0x1 /* rule7en */ 1898*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_SHIFT 7 1899*14b24e2bSVaishali Kulkarni u8 flags4; 1900*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_MASK 0x3 /* cf5 */ 1901*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_SHIFT 0 1902*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_MASK 0x1 /* cf5en */ 1903*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_SHIFT 2 1904*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED7_MASK 0x1 /* rule8en */ 1905*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_E4_RESERVED7_SHIFT 3 1906*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF /* dif_error_type */ 1907*14b24e2bSVaishali Kulkarni #define E5_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 1908*14b24e2bSVaishali Kulkarni u8 next_tid_valid /* byte2 */; 1909*14b24e2bSVaishali Kulkarni u8 byte3 /* byte3 */; 1910*14b24e2bSVaishali Kulkarni u8 e4_reserved8 /* byte4 */; 1911*14b24e2bSVaishali Kulkarni __le32 dif_err_intervals /* dif_err_intervals */; 1912*14b24e2bSVaishali Kulkarni __le32 dif_error_1st_interval /* dif_error_1st_interval */; 1913*14b24e2bSVaishali Kulkarni __le32 rcv_cont_len /* reg2 */; 1914*14b24e2bSVaishali Kulkarni __le32 exp_cont_len /* reg3 */; 1915*14b24e2bSVaishali Kulkarni __le32 total_data_acked /* reg4 */; 1916*14b24e2bSVaishali Kulkarni __le32 exp_data_acked /* reg5 */; 1917*14b24e2bSVaishali Kulkarni __le16 word1 /* word1 */; 1918*14b24e2bSVaishali Kulkarni __le16 next_tid /* word2 */; 1919*14b24e2bSVaishali Kulkarni __le32 hdr_residual_count /* reg6 */; 1920*14b24e2bSVaishali Kulkarni __le32 exp_r2t_sn /* reg7 */; 1921*14b24e2bSVaishali Kulkarni }; 1922*14b24e2bSVaishali Kulkarni 1923*14b24e2bSVaishali Kulkarni 1924*14b24e2bSVaishali Kulkarni struct e5_ystorm_iscsi_task_ag_ctx 1925*14b24e2bSVaishali Kulkarni { 1926*14b24e2bSVaishali Kulkarni u8 reserved /* cdu_validation */; 1927*14b24e2bSVaishali Kulkarni u8 byte1 /* state_and_core_id */; 1928*14b24e2bSVaishali Kulkarni __le16 word0 /* icid */; 1929*14b24e2bSVaishali Kulkarni u8 flags0; 1930*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF /* connection_type */ 1931*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1932*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 /* exist_in_qm0 */ 1933*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1934*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 /* exist_in_qm1 */ 1935*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1936*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 /* bit2 */ 1937*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1938*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 /* bit3 */ 1939*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1940*14b24e2bSVaishali Kulkarni u8 flags1; 1941*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 /* cf0 */ 1942*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 1943*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 /* cf1 */ 1944*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1945*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 /* cf2special */ 1946*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 1947*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 /* cf0en */ 1948*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 1949*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 /* cf1en */ 1950*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1951*14b24e2bSVaishali Kulkarni u8 flags2; 1952*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 /* bit4 */ 1953*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1954*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 /* rule0en */ 1955*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1956*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 /* rule1en */ 1957*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1958*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 /* rule2en */ 1959*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1960*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 /* rule3en */ 1961*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1962*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 /* rule4en */ 1963*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1964*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 /* rule5en */ 1965*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1966*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 /* rule6en */ 1967*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1968*14b24e2bSVaishali Kulkarni u8 flags3; 1969*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_MASK 0x1 /* bit5 */ 1970*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED1_SHIFT 0 1971*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_MASK 0x3 /* cf3 */ 1972*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED2_SHIFT 1 1973*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_MASK 0x3 /* cf4 */ 1974*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED3_SHIFT 3 1975*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_MASK 0x1 /* cf3en */ 1976*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED4_SHIFT 5 1977*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_MASK 0x1 /* cf4en */ 1978*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED5_SHIFT 6 1979*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_MASK 0x1 /* rule7en */ 1980*14b24e2bSVaishali Kulkarni #define E5_YSTORM_ISCSI_TASK_AG_CTX_E4_RESERVED6_SHIFT 7 1981*14b24e2bSVaishali Kulkarni __le32 TTT /* reg0 */; 1982*14b24e2bSVaishali Kulkarni u8 byte2 /* byte2 */; 1983*14b24e2bSVaishali Kulkarni u8 byte3 /* byte3 */; 1984*14b24e2bSVaishali Kulkarni u8 byte4 /* byte4 */; 1985*14b24e2bSVaishali Kulkarni u8 e4_reserved7 /* byte5 */; 1986*14b24e2bSVaishali Kulkarni }; 1987*14b24e2bSVaishali Kulkarni 1988*14b24e2bSVaishali Kulkarni 1989*14b24e2bSVaishali Kulkarni /* 1990*14b24e2bSVaishali Kulkarni * iSCSI doorbell data 1991*14b24e2bSVaishali Kulkarni */ 1992*14b24e2bSVaishali Kulkarni struct iscsi_db_data 1993*14b24e2bSVaishali Kulkarni { 1994*14b24e2bSVaishali Kulkarni u8 params; 1995*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_DEST_MASK 0x3 /* destination of doorbell (use enum db_dest) */ 1996*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_DEST_SHIFT 0 1997*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 /* aggregative command to CM (use enum db_agg_cmd_sel) */ 1998*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 1999*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */ 2000*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 2001*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_RESERVED_MASK 0x1 2002*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_RESERVED_SHIFT 5 2003*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 /* aggregative value selection */ 2004*14b24e2bSVaishali Kulkarni #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 2005*14b24e2bSVaishali Kulkarni u8 agg_flags /* bit for every DQ counter flags in CM context that DQ can increment */; 2006*14b24e2bSVaishali Kulkarni __le16 sq_prod; 2007*14b24e2bSVaishali Kulkarni }; 2008*14b24e2bSVaishali Kulkarni 2009*14b24e2bSVaishali Kulkarni #endif /* __ISCSI_COMMON__ */ 2010