drivers/net/ethernet/chelsio/cxgb4/t4_msg.h

   1 /*
   2  * This file is part of the Chelsio T4 Ethernet driver for Linux.
   3  *
   4  * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  */
  34
  35 #ifndef __T4_MSG_H
  36 #define __T4_MSG_H
  37
  38 #include <linux/types.h>
  39
  40 enum {
  41         CPL_PASS_OPEN_REQ     = 0x1,
  42         CPL_PASS_ACCEPT_RPL   = 0x2,
  43         CPL_ACT_OPEN_REQ      = 0x3,
  44         CPL_SET_TCB_FIELD     = 0x5,
  45         CPL_GET_TCB           = 0x6,
  46         CPL_CLOSE_CON_REQ     = 0x8,
  47         CPL_CLOSE_LISTSRV_REQ = 0x9,
  48         CPL_ABORT_REQ         = 0xA,
  49         CPL_ABORT_RPL         = 0xB,
  50         CPL_RX_DATA_ACK       = 0xD,
  51         CPL_TX_PKT            = 0xE,
  52         CPL_L2T_WRITE_REQ     = 0x12,
  53         CPL_TID_RELEASE       = 0x1A,
  54
  55         CPL_CLOSE_LISTSRV_RPL = 0x20,
  56         CPL_L2T_WRITE_RPL     = 0x23,
  57         CPL_PASS_OPEN_RPL     = 0x24,
  58         CPL_ACT_OPEN_RPL      = 0x25,
  59         CPL_PEER_CLOSE        = 0x26,
  60         CPL_ABORT_REQ_RSS     = 0x2B,
  61         CPL_ABORT_RPL_RSS     = 0x2D,
  62
  63         CPL_CLOSE_CON_RPL     = 0x32,
  64         CPL_ISCSI_HDR         = 0x33,
  65         CPL_RDMA_CQE          = 0x35,
  66         CPL_RDMA_CQE_READ_RSP = 0x36,
  67         CPL_RDMA_CQE_ERR      = 0x37,
  68         CPL_RX_DATA           = 0x39,
  69         CPL_SET_TCB_RPL       = 0x3A,
  70         CPL_RX_PKT            = 0x3B,
  71         CPL_RX_DDP_COMPLETE   = 0x3F,
  72
  73         CPL_ACT_ESTABLISH     = 0x40,
  74         CPL_PASS_ESTABLISH    = 0x41,
  75         CPL_RX_DATA_DDP       = 0x42,
  76         CPL_PASS_ACCEPT_REQ   = 0x44,
  77
  78         CPL_RDMA_READ_REQ     = 0x60,
  79
  80         CPL_PASS_OPEN_REQ6    = 0x81,
  81         CPL_ACT_OPEN_REQ6     = 0x83,
  82
  83         CPL_RDMA_TERMINATE    = 0xA2,
  84         CPL_RDMA_WRITE        = 0xA4,
  85         CPL_SGE_EGR_UPDATE    = 0xA5,
  86
  87         CPL_TRACE_PKT         = 0xB0,
  88
  89         CPL_FW4_MSG           = 0xC0,
  90         CPL_FW4_PLD           = 0xC1,
  91         CPL_FW4_ACK           = 0xC3,
  92
  93         CPL_FW6_MSG           = 0xE0,
  94         CPL_FW6_PLD           = 0xE1,
  95         CPL_TX_PKT_LSO        = 0xED,
  96         CPL_TX_PKT_XT         = 0xEE,
  97
  98         NUM_CPL_CMDS
  99 };
 100
 101 enum CPL_error {
 102         CPL_ERR_NONE               = 0,
 103         CPL_ERR_TCAM_FULL          = 3,
 104         CPL_ERR_BAD_LENGTH         = 15,
 105         CPL_ERR_BAD_ROUTE          = 18,
 106         CPL_ERR_CONN_RESET         = 20,
 107         CPL_ERR_CONN_EXIST_SYNRECV = 21,
 108         CPL_ERR_CONN_EXIST         = 22,
 109         CPL_ERR_ARP_MISS           = 23,
 110         CPL_ERR_BAD_SYN            = 24,
 111         CPL_ERR_CONN_TIMEDOUT      = 30,
 112         CPL_ERR_XMIT_TIMEDOUT      = 31,
 113         CPL_ERR_PERSIST_TIMEDOUT   = 32,
 114         CPL_ERR_FINWAIT2_TIMEDOUT  = 33,
 115         CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
 116         CPL_ERR_RTX_NEG_ADVICE     = 35,
 117         CPL_ERR_PERSIST_NEG_ADVICE = 36,
 118         CPL_ERR_ABORT_FAILED       = 42,
 119         CPL_ERR_IWARP_FLM          = 50,
 120 };
 121
 122 enum {
 123         ULP_MODE_NONE          = 0,
 124         ULP_MODE_ISCSI         = 2,
 125         ULP_MODE_RDMA          = 4,
 126         ULP_MODE_TCPDDP        = 5,
 127         ULP_MODE_FCOE          = 6,
 128 };
 129
 130 enum {
 131         ULP_CRC_HEADER = 1 << 0,
 132         ULP_CRC_DATA   = 1 << 1
 133 };
 134
 135 enum {
 136         CPL_ABORT_SEND_RST = 0,
 137         CPL_ABORT_NO_RST,
 138 };
 139
 140 enum {                     /* TX_PKT_XT checksum types */
 141         TX_CSUM_TCP    = 0,
 142         TX_CSUM_UDP    = 1,
 143         TX_CSUM_CRC16  = 4,
 144         TX_CSUM_CRC32  = 5,
 145         TX_CSUM_CRC32C = 6,
 146         TX_CSUM_FCOE   = 7,
 147         TX_CSUM_TCPIP  = 8,
 148         TX_CSUM_UDPIP  = 9,
 149         TX_CSUM_TCPIP6 = 10,
 150         TX_CSUM_UDPIP6 = 11,
 151         TX_CSUM_IP     = 12,
 152 };
 153
 154 union opcode_tid {
 155         __be32 opcode_tid;
 156         u8 opcode;
 157 };
 158
 159 #define CPL_OPCODE(x) ((x) << 24)
 160 #define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) | (tid))
 161 #define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
 162 #define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)
 163
 164 /* partitioning of TID fields that also carry a queue id */
 165 #define GET_TID_TID(x) ((x) & 0x3fff)
 166 #define GET_TID_QID(x) (((x) >> 14) & 0x3ff)
 167 #define TID_QID(x)     ((x) << 14)
 168
 169 struct rss_header {
 170         u8 opcode;
 171 #if defined(__LITTLE_ENDIAN_BITFIELD)
 172         u8 channel:2;
 173         u8 filter_hit:1;
 174         u8 filter_tid:1;
 175         u8 hash_type:2;
 176         u8 ipv6:1;
 177         u8 send2fw:1;
 178 #else
 179         u8 send2fw:1;
 180         u8 ipv6:1;
 181         u8 hash_type:2;
 182         u8 filter_tid:1;
 183         u8 filter_hit:1;
 184         u8 channel:2;
 185 #endif
 186         __be16 qid;
 187         __be32 hash_val;
 188 };
 189
 190 struct work_request_hdr {
 191         __be32 wr_hi;
 192         __be32 wr_mid;
 193         __be64 wr_lo;
 194 };
 195
 196 /* wr_hi fields */
 197 #define S_WR_OP    24
 198 #define V_WR_OP(x) ((__u64)(x) << S_WR_OP)
 199
 200 #define WR_HDR struct work_request_hdr wr
 201
 202 struct cpl_pass_open_req {
 203         WR_HDR;
 204         union opcode_tid ot;
 205         __be16 local_port;
 206         __be16 peer_port;
 207         __be32 local_ip;
 208         __be32 peer_ip;
 209         __be64 opt0;
 210 #define TX_CHAN(x)    ((x) << 2)
 211 #define NO_CONG(x)    ((x) << 4)
 212 #define DELACK(x)     ((x) << 5)
 213 #define ULP_MODE(x)   ((x) << 8)
 214 #define RCV_BUFSIZ(x) ((x) << 12)
 215 #define DSCP(x)       ((x) << 22)
 216 #define SMAC_SEL(x)   ((u64)(x) << 28)
 217 #define L2T_IDX(x)    ((u64)(x) << 36)
 218 #define TCAM_BYPASS(x) ((u64)(x) << 48)
 219 #define NAGLE(x)      ((u64)(x) << 49)
 220 #define WND_SCALE(x)  ((u64)(x) << 50)
 221 #define KEEP_ALIVE(x) ((u64)(x) << 54)
 222 #define MSS_IDX(x)    ((u64)(x) << 60)
 223         __be64 opt1;
 224 #define SYN_RSS_ENABLE   (1 << 0)
 225 #define SYN_RSS_QUEUE(x) ((x) << 2)
 226 #define CONN_POLICY_ASK  (1 << 22)
 227 };
 228
 229 struct cpl_pass_open_req6 {
 230         WR_HDR;
 231         union opcode_tid ot;
 232         __be16 local_port;
 233         __be16 peer_port;
 234         __be64 local_ip_hi;
 235         __be64 local_ip_lo;
 236         __be64 peer_ip_hi;
 237         __be64 peer_ip_lo;
 238         __be64 opt0;
 239         __be64 opt1;
 240 };
 241
 242 struct cpl_pass_open_rpl {
 243         union opcode_tid ot;
 244         u8 rsvd[3];
 245         u8 status;
 246 };
 247
 248 struct cpl_pass_accept_rpl {
 249         WR_HDR;
 250         union opcode_tid ot;
 251         __be32 opt2;
 252 #define RSS_QUEUE(x)         ((x) << 0)
 253 #define RSS_QUEUE_VALID      (1 << 10)
 254 #define RX_COALESCE_VALID(x) ((x) << 11)
 255 #define RX_COALESCE(x)       ((x) << 12)
 256 #define PACE(x)       ((x) << 16)
 257 #define TX_QUEUE(x)          ((x) << 23)
 258 #define RX_CHANNEL(x)        ((x) << 26)
 259 #define CCTRL_ECN(x)         ((x) << 27)
 260 #define WND_SCALE_EN(x)      ((x) << 28)
 261 #define TSTAMPS_EN(x)        ((x) << 29)
 262 #define SACK_EN(x)           ((x) << 30)
 263         __be64 opt0;
 264 };
 265
 266 struct cpl_act_open_req {
 267         WR_HDR;
 268         union opcode_tid ot;
 269         __be16 local_port;
 270         __be16 peer_port;
 271         __be32 local_ip;
 272         __be32 peer_ip;
 273         __be64 opt0;
 274         __be32 params;
 275         __be32 opt2;
 276 };
 277
 278 struct cpl_act_open_req6 {
 279         WR_HDR;
 280         union opcode_tid ot;
 281         __be16 local_port;
 282         __be16 peer_port;
 283         __be64 local_ip_hi;
 284         __be64 local_ip_lo;
 285         __be64 peer_ip_hi;
 286         __be64 peer_ip_lo;
 287         __be64 opt0;
 288         __be32 params;
 289         __be32 opt2;
 290 };
 291
 292 struct cpl_act_open_rpl {
 293         union opcode_tid ot;
 294         __be32 atid_status;
 295 #define GET_AOPEN_STATUS(x) ((x) & 0xff)
 296 #define GET_AOPEN_ATID(x)   (((x) >> 8) & 0xffffff)
 297 };
 298
 299 struct cpl_pass_establish {
 300         union opcode_tid ot;
 301         __be32 rsvd;
 302         __be32 tos_stid;
 303 #define GET_POPEN_TID(x) ((x) & 0xffffff)
 304 #define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
 305         __be16 mac_idx;
 306         __be16 tcp_opt;
 307 #define GET_TCPOPT_WSCALE_OK(x)  (((x) >> 5) & 1)
 308 #define GET_TCPOPT_SACK(x)       (((x) >> 6) & 1)
 309 #define GET_TCPOPT_TSTAMP(x)     (((x) >> 7) & 1)
 310 #define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
 311 #define GET_TCPOPT_MSS(x)        (((x) >> 12) & 0xf)
 312         __be32 snd_isn;
 313         __be32 rcv_isn;
 314 };
 315
 316 struct cpl_act_establish {
 317         union opcode_tid ot;
 318         __be32 rsvd;
 319         __be32 tos_atid;
 320         __be16 mac_idx;
 321         __be16 tcp_opt;
 322         __be32 snd_isn;
 323         __be32 rcv_isn;
 324 };
 325
 326 struct cpl_get_tcb {
 327         WR_HDR;
 328         union opcode_tid ot;
 329         __be16 reply_ctrl;
 330 #define QUEUENO(x)    ((x) << 0)
 331 #define REPLY_CHAN(x) ((x) << 14)
 332 #define NO_REPLY(x)   ((x) << 15)
 333         __be16 cookie;
 334 };
 335
 336 struct cpl_set_tcb_field {
 337         WR_HDR;
 338         union opcode_tid ot;
 339         __be16 reply_ctrl;
 340         __be16 word_cookie;
 341 #define TCB_WORD(x)   ((x) << 0)
 342 #define TCB_COOKIE(x) ((x) << 5)
 343 #define GET_TCB_COOKIE(x) (((x) >> 5) & 7)
 344         __be64 mask;
 345         __be64 val;
 346 };
 347
 348 struct cpl_set_tcb_rpl {
 349         union opcode_tid ot;
 350         __be16 rsvd;
 351         u8 cookie;
 352         u8 status;
 353         __be64 oldval;
 354 };
 355
 356 struct cpl_close_con_req {
 357         WR_HDR;
 358         union opcode_tid ot;
 359         __be32 rsvd;
 360 };
 361
 362 struct cpl_close_con_rpl {
 363         union opcode_tid ot;
 364         u8 rsvd[3];
 365         u8 status;
 366         __be32 snd_nxt;
 367         __be32 rcv_nxt;
 368 };
 369
 370 struct cpl_close_listsvr_req {
 371         WR_HDR;
 372         union opcode_tid ot;
 373         __be16 reply_ctrl;
 374 #define LISTSVR_IPV6 (1 << 14)
 375         __be16 rsvd;
 376 };
 377
 378 struct cpl_close_listsvr_rpl {
 379         union opcode_tid ot;
 380         u8 rsvd[3];
 381         u8 status;
 382 };
 383
 384 struct cpl_abort_req_rss {
 385         union opcode_tid ot;
 386         u8 rsvd[3];
 387         u8 status;
 388 };
 389
 390 struct cpl_abort_req {
 391         WR_HDR;
 392         union opcode_tid ot;
 393         __be32 rsvd0;
 394         u8 rsvd1;
 395         u8 cmd;
 396         u8 rsvd2[6];
 397 };
 398
 399 struct cpl_abort_rpl_rss {
 400         union opcode_tid ot;
 401         u8 rsvd[3];
 402         u8 status;
 403 };
 404
 405 struct cpl_abort_rpl {
 406         WR_HDR;
 407         union opcode_tid ot;
 408         __be32 rsvd0;
 409         u8 rsvd1;
 410         u8 cmd;
 411         u8 rsvd2[6];
 412 };
 413
 414 struct cpl_peer_close {
 415         union opcode_tid ot;
 416         __be32 rcv_nxt;
 417 };
 418
 419 struct cpl_tid_release {
 420         WR_HDR;
 421         union opcode_tid ot;
 422         __be32 rsvd;
 423 };
 424
 425 struct cpl_tx_pkt_core {
 426         __be32 ctrl0;
 427 #define TXPKT_VF(x)        ((x) << 0)
 428 #define TXPKT_PF(x)        ((x) << 8)
 429 #define TXPKT_VF_VLD       (1 << 11)
 430 #define TXPKT_OVLAN_IDX(x) ((x) << 12)
 431 #define TXPKT_INTF(x)      ((x) << 16)
 432 #define TXPKT_INS_OVLAN    (1 << 21)
 433 #define TXPKT_OPCODE(x)    ((x) << 24)
 434         __be16 pack;
 435         __be16 len;
 436         __be64 ctrl1;
 437 #define TXPKT_CSUM_END(x)   ((x) << 12)
 438 #define TXPKT_CSUM_START(x) ((x) << 20)
 439 #define TXPKT_IPHDR_LEN(x)  ((u64)(x) << 20)
 440 #define TXPKT_CSUM_LOC(x)   ((u64)(x) << 30)
 441 #define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
 442 #define TXPKT_CSUM_TYPE(x)  ((u64)(x) << 40)
 443 #define TXPKT_VLAN(x)       ((u64)(x) << 44)
 444 #define TXPKT_VLAN_VLD      (1ULL << 60)
 445 #define TXPKT_IPCSUM_DIS    (1ULL << 62)
 446 #define TXPKT_L4CSUM_DIS    (1ULL << 63)
 447 };
 448
 449 struct cpl_tx_pkt {
 450         WR_HDR;
 451         struct cpl_tx_pkt_core c;
 452 };
 453
 454 #define cpl_tx_pkt_xt cpl_tx_pkt
 455
 456 struct cpl_tx_pkt_lso_core {
 457         __be32 lso_ctrl;
 458 #define LSO_TCPHDR_LEN(x) ((x) << 0)
 459 #define LSO_IPHDR_LEN(x)  ((x) << 4)
 460 #define LSO_ETHHDR_LEN(x) ((x) << 16)
 461 #define LSO_IPV6(x)       ((x) << 20)
 462 #define LSO_LAST_SLICE    (1 << 22)
 463 #define LSO_FIRST_SLICE   (1 << 23)
 464 #define LSO_OPCODE(x)     ((x) << 24)
 465         __be16 ipid_ofst;
 466         __be16 mss;
 467         __be32 seqno_offset;
 468         __be32 len;
 469         /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
 470 };
 471
 472 struct cpl_tx_pkt_lso {
 473         WR_HDR;
 474         struct cpl_tx_pkt_lso_core c;
 475         /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
 476 };
 477
 478 struct cpl_iscsi_hdr {
 479         union opcode_tid ot;
 480         __be16 pdu_len_ddp;
 481 #define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
 482 #define ISCSI_DDP        (1 << 15)
 483         __be16 len;
 484         __be32 seq;
 485         __be16 urg;
 486         u8 rsvd;
 487         u8 status;
 488 };
 489
 490 struct cpl_rx_data {
 491         union opcode_tid ot;
 492         __be16 rsvd;
 493         __be16 len;
 494         __be32 seq;
 495         __be16 urg;
 496 #if defined(__LITTLE_ENDIAN_BITFIELD)
 497         u8 dack_mode:2;
 498         u8 psh:1;
 499         u8 heartbeat:1;
 500         u8 ddp_off:1;
 501         u8 :3;
 502 #else
 503         u8 :3;
 504         u8 ddp_off:1;
 505         u8 heartbeat:1;
 506         u8 psh:1;
 507         u8 dack_mode:2;
 508 #endif
 509         u8 status;
 510 };
 511
 512 struct cpl_rx_data_ack {
 513         WR_HDR;
 514         union opcode_tid ot;
 515         __be32 credit_dack;
 516 #define RX_CREDITS(x)   ((x) << 0)
 517 #define RX_FORCE_ACK(x) ((x) << 28)
 518 };
 519
 520 struct cpl_rx_pkt {
 521         struct rss_header rsshdr;
 522         u8 opcode;
 523 #if defined(__LITTLE_ENDIAN_BITFIELD)
 524         u8 iff:4;
 525         u8 csum_calc:1;
 526         u8 ipmi_pkt:1;
 527         u8 vlan_ex:1;
 528         u8 ip_frag:1;
 529 #else
 530         u8 ip_frag:1;
 531         u8 vlan_ex:1;
 532         u8 ipmi_pkt:1;
 533         u8 csum_calc:1;
 534         u8 iff:4;
 535 #endif
 536         __be16 csum;
 537         __be16 vlan;
 538         __be16 len;
 539         __be32 l2info;
 540 #define RXF_UDP (1 << 22)
 541 #define RXF_TCP (1 << 23)
 542 #define RXF_IP  (1 << 24)
 543 #define RXF_IP6 (1 << 25)
 544         __be16 hdr_len;
 545         __be16 err_vec;
 546 };
 547
 548 struct cpl_trace_pkt {
 549         u8 opcode;
 550         u8 intf;
 551 #if defined(__LITTLE_ENDIAN_BITFIELD)
 552         u8 runt:4;
 553         u8 filter_hit:4;
 554         u8 :6;
 555         u8 err:1;
 556         u8 trunc:1;
 557 #else
 558         u8 filter_hit:4;
 559         u8 runt:4;
 560         u8 trunc:1;
 561         u8 err:1;
 562         u8 :6;
 563 #endif
 564         __be16 rsvd;
 565         __be16 len;
 566         __be64 tstamp;
 567 };
 568
 569 struct cpl_l2t_write_req {
 570         WR_HDR;
 571         union opcode_tid ot;
 572         __be16 params;
 573 #define L2T_W_INFO(x)    ((x) << 2)
 574 #define L2T_W_PORT(x)    ((x) << 8)
 575 #define L2T_W_NOREPLY(x) ((x) << 15)
 576         __be16 l2t_idx;
 577         __be16 vlan;
 578         u8 dst_mac[6];
 579 };
 580
 581 struct cpl_l2t_write_rpl {
 582         union opcode_tid ot;
 583         u8 status;
 584         u8 rsvd[3];
 585 };
 586
 587 struct cpl_rdma_terminate {
 588         union opcode_tid ot;
 589         __be16 rsvd;
 590         __be16 len;
 591 };
 592
 593 struct cpl_sge_egr_update {
 594         __be32 opcode_qid;
 595 #define EGR_QID(x) ((x) & 0x1FFFF)
 596         __be16 cidx;
 597         __be16 pidx;
 598 };
 599
 600 struct cpl_fw4_pld {
 601         u8 opcode;
 602         u8 rsvd0[3];
 603         u8 type;
 604         u8 rsvd1;
 605         __be16 len;
 606         __be64 data;
 607         __be64 rsvd2;
 608 };
 609
 610 struct cpl_fw6_pld {
 611         u8 opcode;
 612         u8 rsvd[5];
 613         __be16 len;
 614         __be64 data[4];
 615 };
 616
 617 struct cpl_fw4_msg {
 618         u8 opcode;
 619         u8 type;
 620         __be16 rsvd0;
 621         __be32 rsvd1;
 622         __be64 data[2];
 623 };
 624
 625 struct cpl_fw4_ack {
 626         union opcode_tid ot;
 627         u8 credits;
 628         u8 rsvd0[2];
 629         u8 seq_vld;
 630         __be32 snd_nxt;
 631         __be32 snd_una;
 632         __be64 rsvd1;
 633 };
 634
 635 struct cpl_fw6_msg {
 636         u8 opcode;
 637         u8 type;
 638         __be16 rsvd0;
 639         __be32 rsvd1;
 640         __be64 data[4];
 641 };
 642
 643 /* cpl_fw6_msg.type values */
 644 enum {
 645         FW6_TYPE_CMD_RPL = 0,
 646         FW6_TYPE_WR_RPL = 1,
 647         FW6_TYPE_CQE = 2,
 648         FW6_TYPE_OFLD_CONNECTION_WR_RPL = 3,
 649 };
 650
 651 struct cpl_fw6_msg_ofld_connection_wr_rpl {
 652         __u64   cookie;
 653         __be32  tid;    /* or atid in case of active failure */
 654         __u8    t_state;
 655         __u8    retval;
 656         __u8    rsvd[2];
 657 };
 658
 659 enum {
 660         ULP_TX_MEM_READ = 2,
 661         ULP_TX_MEM_WRITE = 3,
 662         ULP_TX_PKT = 4
 663 };
 664
 665 enum {
 666         ULP_TX_SC_NOOP = 0x80,
 667         ULP_TX_SC_IMM  = 0x81,
 668         ULP_TX_SC_DSGL = 0x82,
 669         ULP_TX_SC_ISGL = 0x83
 670 };
 671
 672 struct ulptx_sge_pair {
 673         __be32 len[2];
 674         __be64 addr[2];
 675 };
 676
 677 struct ulptx_sgl {
 678         __be32 cmd_nsge;
 679 #define ULPTX_CMD(x) ((x) << 24)
 680 #define ULPTX_NSGE(x) ((x) << 0)
 681 #define ULPTX_MORE (1U << 23)
 682         __be32 len0;
 683         __be64 addr0;
 684         struct ulptx_sge_pair sge[0];
 685 };
 686
 687 struct ulp_mem_io {
 688         WR_HDR;
 689         __be32 cmd;
 690 #define ULP_MEMIO_ORDER(x) ((x) << 23)
 691         __be32 len16;             /* command length */
 692         __be32 dlen;              /* data length in 32-byte units */
 693 #define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
 694         __be32 lock_addr;
 695 #define ULP_MEMIO_ADDR(x) ((x) << 0)
 696 #define ULP_MEMIO_LOCK(x) ((x) << 31)
 697 };
 698
 699 #endif  /* __T4_MSG_H */