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 #define WR_HDR struct work_request_hdr wr
 197
 198 struct cpl_pass_open_req {
 199         WR_HDR;
 200         union opcode_tid ot;
 201         __be16 local_port;
 202         __be16 peer_port;
 203         __be32 local_ip;
 204         __be32 peer_ip;
 205         __be64 opt0;
 206 #define TX_CHAN(x)    ((x) << 2)
 207 #define DELACK(x)     ((x) << 5)
 208 #define ULP_MODE(x)   ((x) << 8)
 209 #define RCV_BUFSIZ(x) ((x) << 12)
 210 #define DSCP(x)       ((x) << 22)
 211 #define SMAC_SEL(x)   ((u64)(x) << 28)
 212 #define L2T_IDX(x)    ((u64)(x) << 36)
 213 #define NAGLE(x)      ((u64)(x) << 49)
 214 #define WND_SCALE(x)  ((u64)(x) << 50)
 215 #define KEEP_ALIVE(x) ((u64)(x) << 54)
 216 #define MSS_IDX(x)    ((u64)(x) << 60)
 217         __be64 opt1;
 218 #define SYN_RSS_ENABLE   (1 << 0)
 219 #define SYN_RSS_QUEUE(x) ((x) << 2)
 220 #define CONN_POLICY_ASK  (1 << 22)
 221 };
 222
 223 struct cpl_pass_open_req6 {
 224         WR_HDR;
 225         union opcode_tid ot;
 226         __be16 local_port;
 227         __be16 peer_port;
 228         __be64 local_ip_hi;
 229         __be64 local_ip_lo;
 230         __be64 peer_ip_hi;
 231         __be64 peer_ip_lo;
 232         __be64 opt0;
 233         __be64 opt1;
 234 };
 235
 236 struct cpl_pass_open_rpl {
 237         union opcode_tid ot;
 238         u8 rsvd[3];
 239         u8 status;
 240 };
 241
 242 struct cpl_pass_accept_rpl {
 243         WR_HDR;
 244         union opcode_tid ot;
 245         __be32 opt2;
 246 #define RSS_QUEUE(x)         ((x) << 0)
 247 #define RSS_QUEUE_VALID      (1 << 10)
 248 #define RX_COALESCE_VALID(x) ((x) << 11)
 249 #define RX_COALESCE(x)       ((x) << 12)
 250 #define TX_QUEUE(x)          ((x) << 23)
 251 #define RX_CHANNEL(x)        ((x) << 26)
 252 #define WND_SCALE_EN(x)      ((x) << 28)
 253 #define TSTAMPS_EN(x)        ((x) << 29)
 254 #define SACK_EN(x)           ((x) << 30)
 255         __be64 opt0;
 256 };
 257
 258 struct cpl_act_open_req {
 259         WR_HDR;
 260         union opcode_tid ot;
 261         __be16 local_port;
 262         __be16 peer_port;
 263         __be32 local_ip;
 264         __be32 peer_ip;
 265         __be64 opt0;
 266         __be32 params;
 267         __be32 opt2;
 268 };
 269
 270 struct cpl_act_open_req6 {
 271         WR_HDR;
 272         union opcode_tid ot;
 273         __be16 local_port;
 274         __be16 peer_port;
 275         __be64 local_ip_hi;
 276         __be64 local_ip_lo;
 277         __be64 peer_ip_hi;
 278         __be64 peer_ip_lo;
 279         __be64 opt0;
 280         __be32 params;
 281         __be32 opt2;
 282 };
 283
 284 struct cpl_act_open_rpl {
 285         union opcode_tid ot;
 286         __be32 atid_status;
 287 #define GET_AOPEN_STATUS(x) ((x) & 0xff)
 288 #define GET_AOPEN_ATID(x)   (((x) >> 8) & 0xffffff)
 289 };
 290
 291 struct cpl_pass_establish {
 292         union opcode_tid ot;
 293         __be32 rsvd;
 294         __be32 tos_stid;
 295 #define GET_POPEN_TID(x) ((x) & 0xffffff)
 296 #define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
 297         __be16 mac_idx;
 298         __be16 tcp_opt;
 299 #define GET_TCPOPT_WSCALE_OK(x)  (((x) >> 5) & 1)
 300 #define GET_TCPOPT_SACK(x)       (((x) >> 6) & 1)
 301 #define GET_TCPOPT_TSTAMP(x)     (((x) >> 7) & 1)
 302 #define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
 303 #define GET_TCPOPT_MSS(x)        (((x) >> 12) & 0xf)
 304         __be32 snd_isn;
 305         __be32 rcv_isn;
 306 };
 307
 308 struct cpl_act_establish {
 309         union opcode_tid ot;
 310         __be32 rsvd;
 311         __be32 tos_atid;
 312         __be16 mac_idx;
 313         __be16 tcp_opt;
 314         __be32 snd_isn;
 315         __be32 rcv_isn;
 316 };
 317
 318 struct cpl_get_tcb {
 319         WR_HDR;
 320         union opcode_tid ot;
 321         __be16 reply_ctrl;
 322 #define QUEUENO(x)    ((x) << 0)
 323 #define REPLY_CHAN(x) ((x) << 14)
 324 #define NO_REPLY(x)   ((x) << 15)
 325         __be16 cookie;
 326 };
 327
 328 struct cpl_set_tcb_field {
 329         WR_HDR;
 330         union opcode_tid ot;
 331         __be16 reply_ctrl;
 332         __be16 word_cookie;
 333 #define TCB_WORD(x)   ((x) << 0)
 334 #define TCB_COOKIE(x) ((x) << 5)
 335         __be64 mask;
 336         __be64 val;
 337 };
 338
 339 struct cpl_set_tcb_rpl {
 340         union opcode_tid ot;
 341         __be16 rsvd;
 342         u8 cookie;
 343         u8 status;
 344         __be64 oldval;
 345 };
 346
 347 struct cpl_close_con_req {
 348         WR_HDR;
 349         union opcode_tid ot;
 350         __be32 rsvd;
 351 };
 352
 353 struct cpl_close_con_rpl {
 354         union opcode_tid ot;
 355         u8 rsvd[3];
 356         u8 status;
 357         __be32 snd_nxt;
 358         __be32 rcv_nxt;
 359 };
 360
 361 struct cpl_close_listsvr_req {
 362         WR_HDR;
 363         union opcode_tid ot;
 364         __be16 reply_ctrl;
 365 #define LISTSVR_IPV6 (1 << 14)
 366         __be16 rsvd;
 367 };
 368
 369 struct cpl_close_listsvr_rpl {
 370         union opcode_tid ot;
 371         u8 rsvd[3];
 372         u8 status;
 373 };
 374
 375 struct cpl_abort_req_rss {
 376         union opcode_tid ot;
 377         u8 rsvd[3];
 378         u8 status;
 379 };
 380
 381 struct cpl_abort_req {
 382         WR_HDR;
 383         union opcode_tid ot;
 384         __be32 rsvd0;
 385         u8 rsvd1;
 386         u8 cmd;
 387         u8 rsvd2[6];
 388 };
 389
 390 struct cpl_abort_rpl_rss {
 391         union opcode_tid ot;
 392         u8 rsvd[3];
 393         u8 status;
 394 };
 395
 396 struct cpl_abort_rpl {
 397         WR_HDR;
 398         union opcode_tid ot;
 399         __be32 rsvd0;
 400         u8 rsvd1;
 401         u8 cmd;
 402         u8 rsvd2[6];
 403 };
 404
 405 struct cpl_peer_close {
 406         union opcode_tid ot;
 407         __be32 rcv_nxt;
 408 };
 409
 410 struct cpl_tid_release {
 411         WR_HDR;
 412         union opcode_tid ot;
 413         __be32 rsvd;
 414 };
 415
 416 struct cpl_tx_pkt_core {
 417         __be32 ctrl0;
 418 #define TXPKT_VF(x)        ((x) << 0)
 419 #define TXPKT_PF(x)        ((x) << 8)
 420 #define TXPKT_VF_VLD       (1 << 11)
 421 #define TXPKT_OVLAN_IDX(x) ((x) << 12)
 422 #define TXPKT_INTF(x)      ((x) << 16)
 423 #define TXPKT_INS_OVLAN    (1 << 21)
 424 #define TXPKT_OPCODE(x)    ((x) << 24)
 425         __be16 pack;
 426         __be16 len;
 427         __be64 ctrl1;
 428 #define TXPKT_CSUM_END(x)   ((x) << 12)
 429 #define TXPKT_CSUM_START(x) ((x) << 20)
 430 #define TXPKT_IPHDR_LEN(x)  ((u64)(x) << 20)
 431 #define TXPKT_CSUM_LOC(x)   ((u64)(x) << 30)
 432 #define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
 433 #define TXPKT_CSUM_TYPE(x)  ((u64)(x) << 40)
 434 #define TXPKT_VLAN(x)       ((u64)(x) << 44)
 435 #define TXPKT_VLAN_VLD      (1ULL << 60)
 436 #define TXPKT_IPCSUM_DIS    (1ULL << 62)
 437 #define TXPKT_L4CSUM_DIS    (1ULL << 63)
 438 };
 439
 440 struct cpl_tx_pkt {
 441         WR_HDR;
 442         struct cpl_tx_pkt_core c;
 443 };
 444
 445 #define cpl_tx_pkt_xt cpl_tx_pkt
 446
 447 struct cpl_tx_pkt_lso_core {
 448         __be32 lso_ctrl;
 449 #define LSO_TCPHDR_LEN(x) ((x) << 0)
 450 #define LSO_IPHDR_LEN(x)  ((x) << 4)
 451 #define LSO_ETHHDR_LEN(x) ((x) << 16)
 452 #define LSO_IPV6(x)       ((x) << 20)
 453 #define LSO_LAST_SLICE    (1 << 22)
 454 #define LSO_FIRST_SLICE   (1 << 23)
 455 #define LSO_OPCODE(x)     ((x) << 24)
 456         __be16 ipid_ofst;
 457         __be16 mss;
 458         __be32 seqno_offset;
 459         __be32 len;
 460         /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
 461 };
 462
 463 struct cpl_tx_pkt_lso {
 464         WR_HDR;
 465         struct cpl_tx_pkt_lso_core c;
 466         /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
 467 };
 468
 469 struct cpl_iscsi_hdr {
 470         union opcode_tid ot;
 471         __be16 pdu_len_ddp;
 472 #define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
 473 #define ISCSI_DDP        (1 << 15)
 474         __be16 len;
 475         __be32 seq;
 476         __be16 urg;
 477         u8 rsvd;
 478         u8 status;
 479 };
 480
 481 struct cpl_rx_data {
 482         union opcode_tid ot;
 483         __be16 rsvd;
 484         __be16 len;
 485         __be32 seq;
 486         __be16 urg;
 487 #if defined(__LITTLE_ENDIAN_BITFIELD)
 488         u8 dack_mode:2;
 489         u8 psh:1;
 490         u8 heartbeat:1;
 491         u8 ddp_off:1;
 492         u8 :3;
 493 #else
 494         u8 :3;
 495         u8 ddp_off:1;
 496         u8 heartbeat:1;
 497         u8 psh:1;
 498         u8 dack_mode:2;
 499 #endif
 500         u8 status;
 501 };
 502
 503 struct cpl_rx_data_ack {
 504         WR_HDR;
 505         union opcode_tid ot;
 506         __be32 credit_dack;
 507 #define RX_CREDITS(x)   ((x) << 0)
 508 #define RX_FORCE_ACK(x) ((x) << 28)
 509 };
 510
 511 struct cpl_rx_pkt {
 512         struct rss_header rsshdr;
 513         u8 opcode;
 514 #if defined(__LITTLE_ENDIAN_BITFIELD)
 515         u8 iff:4;
 516         u8 csum_calc:1;
 517         u8 ipmi_pkt:1;
 518         u8 vlan_ex:1;
 519         u8 ip_frag:1;
 520 #else
 521         u8 ip_frag:1;
 522         u8 vlan_ex:1;
 523         u8 ipmi_pkt:1;
 524         u8 csum_calc:1;
 525         u8 iff:4;
 526 #endif
 527         __be16 csum;
 528         __be16 vlan;
 529         __be16 len;
 530         __be32 l2info;
 531 #define RXF_UDP (1 << 22)
 532 #define RXF_TCP (1 << 23)
 533 #define RXF_IP  (1 << 24)
 534 #define RXF_IP6 (1 << 25)
 535         __be16 hdr_len;
 536         __be16 err_vec;
 537 };
 538
 539 struct cpl_trace_pkt {
 540         u8 opcode;
 541         u8 intf;
 542 #if defined(__LITTLE_ENDIAN_BITFIELD)
 543         u8 runt:4;
 544         u8 filter_hit:4;
 545         u8 :6;
 546         u8 err:1;
 547         u8 trunc:1;
 548 #else
 549         u8 filter_hit:4;
 550         u8 runt:4;
 551         u8 trunc:1;
 552         u8 err:1;
 553         u8 :6;
 554 #endif
 555         __be16 rsvd;
 556         __be16 len;
 557         __be64 tstamp;
 558 };
 559
 560 struct cpl_l2t_write_req {
 561         WR_HDR;
 562         union opcode_tid ot;
 563         __be16 params;
 564 #define L2T_W_INFO(x)    ((x) << 2)
 565 #define L2T_W_PORT(x)    ((x) << 8)
 566 #define L2T_W_NOREPLY(x) ((x) << 15)
 567         __be16 l2t_idx;
 568         __be16 vlan;
 569         u8 dst_mac[6];
 570 };
 571
 572 struct cpl_l2t_write_rpl {
 573         union opcode_tid ot;
 574         u8 status;
 575         u8 rsvd[3];
 576 };
 577
 578 struct cpl_rdma_terminate {
 579         union opcode_tid ot;
 580         __be16 rsvd;
 581         __be16 len;
 582 };
 583
 584 struct cpl_sge_egr_update {
 585         __be32 opcode_qid;
 586 #define EGR_QID(x) ((x) & 0x1FFFF)
 587         __be16 cidx;
 588         __be16 pidx;
 589 };
 590
 591 struct cpl_fw4_pld {
 592         u8 opcode;
 593         u8 rsvd0[3];
 594         u8 type;
 595         u8 rsvd1;
 596         __be16 len;
 597         __be64 data;
 598         __be64 rsvd2;
 599 };
 600
 601 struct cpl_fw6_pld {
 602         u8 opcode;
 603         u8 rsvd[5];
 604         __be16 len;
 605         __be64 data[4];
 606 };
 607
 608 struct cpl_fw4_msg {
 609         u8 opcode;
 610         u8 type;
 611         __be16 rsvd0;
 612         __be32 rsvd1;
 613         __be64 data[2];
 614 };
 615
 616 struct cpl_fw4_ack {
 617         union opcode_tid ot;
 618         u8 credits;
 619         u8 rsvd0[2];
 620         u8 seq_vld;
 621         __be32 snd_nxt;
 622         __be32 snd_una;
 623         __be64 rsvd1;
 624 };
 625
 626 struct cpl_fw6_msg {
 627         u8 opcode;
 628         u8 type;
 629         __be16 rsvd0;
 630         __be32 rsvd1;
 631         __be64 data[4];
 632 };
 633
 634 /* cpl_fw6_msg.type values */
 635 enum {
 636         FW6_TYPE_CMD_RPL = 0,
 637 };
 638
 639 enum {
 640         ULP_TX_MEM_READ = 2,
 641         ULP_TX_MEM_WRITE = 3,
 642         ULP_TX_PKT = 4
 643 };
 644
 645 enum {
 646         ULP_TX_SC_NOOP = 0x80,
 647         ULP_TX_SC_IMM  = 0x81,
 648         ULP_TX_SC_DSGL = 0x82,
 649         ULP_TX_SC_ISGL = 0x83
 650 };
 651
 652 struct ulptx_sge_pair {
 653         __be32 len[2];
 654         __be64 addr[2];
 655 };
 656
 657 struct ulptx_sgl {
 658         __be32 cmd_nsge;
 659 #define ULPTX_CMD(x) ((x) << 24)
 660 #define ULPTX_NSGE(x) ((x) << 0)
 661         __be32 len0;
 662         __be64 addr0;
 663         struct ulptx_sge_pair sge[0];
 664 };
 665
 666 struct ulp_mem_io {
 667         WR_HDR;
 668         __be32 cmd;
 669 #define ULP_MEMIO_ORDER(x) ((x) << 23)
 670         __be32 len16;             /* command length */
 671         __be32 dlen;              /* data length in 32-byte units */
 672 #define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
 673         __be32 lock_addr;
 674 #define ULP_MEMIO_ADDR(x) ((x) << 0)
 675 #define ULP_MEMIO_LOCK(x) ((x) << 31)
 676 };
 677
 678 #endif  /* __T4_MSG_H */