drivers/net/ethernet/ibm/ibmvnic.h

   1 /**************************************************************************/
   2 /*                                                                        */
   3 /*  IBM System i and System p Virtual NIC Device Driver                   */
   4 /*  Copyright (C) 2014 IBM Corp.                                          */
   5 /*  Santiago Leon (santi_leon@yahoo.com)                                  */
   6 /*  Thomas Falcon (tlfalcon@linux.vnet.ibm.com)                           */
   7 /*  John Allen (jallen@linux.vnet.ibm.com)                                */
   8 /*                                                                        */
   9 /*  This program is free software; you can redistribute it and/or modify  */
  10 /*  it under the terms of the GNU General Public License as published by  */
  11 /*  the Free Software Foundation; either version 2 of the License, or     */
  12 /*  (at your option) any later version.                                   */
  13 /*                                                                        */
  14 /*  This program is distributed in the hope that it will be useful,       */
  15 /*  but WITHOUT ANY WARRANTY; without even the implied warranty of        */
  16 /*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         */
  17 /*  GNU General Public License for more details.                          */
  18 /*                                                                        */
  19 /*  You should have received a copy of the GNU General Public License     */
  20 /*  along with this program.                                              */
  21 /*                                                                        */
  22 /* This module contains the implementation of a virtual ethernet device   */
  23 /* for use with IBM i/pSeries LPAR Linux.  It utilizes the logical LAN    */
  24 /* option of the RS/6000 Platform Architecture to interface with virtual */
  25 /* ethernet NICs that are presented to the partition by the hypervisor.   */
  26 /*                                                                        */
  27 /**************************************************************************/
  28
  29 #define IBMVNIC_NAME            "ibmvnic"
  30 #define IBMVNIC_DRIVER_VERSION  "1.0"
  31 #define IBMVNIC_INVALID_MAP     -1
  32 #define IBMVNIC_STATS_TIMEOUT   1
  33 /* basic structures plus 100 2k buffers */
  34 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT  610305
  35
  36 /* Initial module_parameters */
  37 #define IBMVNIC_RX_WEIGHT               16
  38 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
  39 #define IBMVNIC_BUFFS_PER_POOL  100
  40 #define IBMVNIC_MAX_TX_QUEUES   5
  41
  42 struct ibmvnic_login_buffer {
  43         __be32 len;
  44         __be32 version;
  45 #define INITIAL_VERSION_LB 1
  46         __be32 num_txcomp_subcrqs;
  47         __be32 off_txcomp_subcrqs;
  48         __be32 num_rxcomp_subcrqs;
  49         __be32 off_rxcomp_subcrqs;
  50         __be32 login_rsp_ioba;
  51         __be32 login_rsp_len;
  52 } __packed __aligned(8);
  53
  54 struct ibmvnic_login_rsp_buffer {
  55         __be32 len;
  56         __be32 version;
  57 #define INITIAL_VERSION_LRB 1
  58         __be32 num_txsubm_subcrqs;
  59         __be32 off_txsubm_subcrqs;
  60         __be32 num_rxadd_subcrqs;
  61         __be32 off_rxadd_subcrqs;
  62         __be32 off_rxadd_buff_size;
  63         __be32 num_supp_tx_desc;
  64         __be32 off_supp_tx_desc;
  65 } __packed __aligned(8);
  66
  67 struct ibmvnic_query_ip_offload_buffer {
  68         __be32 len;
  69         __be32 version;
  70 #define INITIAL_VERSION_IOB 1
  71         u8 ipv4_chksum;
  72         u8 ipv6_chksum;
  73         u8 tcp_ipv4_chksum;
  74         u8 tcp_ipv6_chksum;
  75         u8 udp_ipv4_chksum;
  76         u8 udp_ipv6_chksum;
  77         u8 large_tx_ipv4;
  78         u8 large_tx_ipv6;
  79         u8 large_rx_ipv4;
  80         u8 large_rx_ipv6;
  81         u8 reserved1[14];
  82         __be16 max_ipv4_header_size;
  83         __be16 max_ipv6_header_size;
  84         __be16 max_tcp_header_size;
  85         __be16 max_udp_header_size;
  86         __be32 max_large_tx_size;
  87         __be32 max_large_rx_size;
  88         u8 reserved2[16];
  89         u8 ipv6_extension_header;
  90 #define IPV6_EH_NOT_SUPPORTED   0x00
  91 #define IPV6_EH_SUPPORTED_LIM   0x01
  92 #define IPV6_EH_SUPPORTED       0xFF
  93         u8 tcp_pseudosum_req;
  94 #define TCP_PS_NOT_REQUIRED     0x00
  95 #define TCP_PS_REQUIRED         0x01
  96         u8 reserved3[30];
  97         __be16 num_ipv6_ext_headers;
  98         __be32 off_ipv6_ext_headers;
  99         u8 reserved4[154];
 100 } __packed __aligned(8);
 101
 102 struct ibmvnic_control_ip_offload_buffer {
 103         __be32 len;
 104         __be32 version;
 105 #define INITIAL_VERSION_IOB 1
 106         u8 ipv4_chksum;
 107         u8 ipv6_chksum;
 108         u8 tcp_ipv4_chksum;
 109         u8 tcp_ipv6_chksum;
 110         u8 udp_ipv4_chksum;
 111         u8 udp_ipv6_chksum;
 112         u8 large_tx_ipv4;
 113         u8 large_tx_ipv6;
 114         u8 bad_packet_rx;
 115         u8 large_rx_ipv4;
 116         u8 large_rx_ipv6;
 117         u8 reserved4[111];
 118 } __packed __aligned(8);
 119
 120 struct ibmvnic_fw_component {
 121         u8 name[48];
 122         __be32 trace_buff_size;
 123         u8 correlator;
 124         u8 trace_level;
 125         u8 parent_correlator;
 126         u8 error_check_level;
 127         u8 trace_on;
 128         u8 reserved[7];
 129         u8 description[192];
 130 } __packed __aligned(8);
 131
 132 struct ibmvnic_fw_trace_entry {
 133         __be32 trace_id;
 134         u8 num_valid_data;
 135         u8 reserved[3];
 136         __be64 pmc_registers;
 137         __be64 timebase;
 138         __be64 trace_data[5];
 139 } __packed __aligned(8);
 140
 141 struct ibmvnic_statistics {
 142         __be32 version;
 143         __be32 promiscuous;
 144         __be64 rx_packets;
 145         __be64 rx_bytes;
 146         __be64 tx_packets;
 147         __be64 tx_bytes;
 148         __be64 ucast_tx_packets;
 149         __be64 ucast_rx_packets;
 150         __be64 mcast_tx_packets;
 151         __be64 mcast_rx_packets;
 152         __be64 bcast_tx_packets;
 153         __be64 bcast_rx_packets;
 154         __be64 align_errors;
 155         __be64 fcs_errors;
 156         __be64 single_collision_frames;
 157         __be64 multi_collision_frames;
 158         __be64 sqe_test_errors;
 159         __be64 deferred_tx;
 160         __be64 late_collisions;
 161         __be64 excess_collisions;
 162         __be64 internal_mac_tx_errors;
 163         __be64 carrier_sense;
 164         __be64 too_long_frames;
 165         __be64 internal_mac_rx_errors;
 166         u8 reserved[72];
 167 } __packed __aligned(8);
 168
 169 struct ibmvnic_acl_buffer {
 170         __be32 len;
 171         __be32 version;
 172 #define INITIAL_VERSION_IOB 1
 173         u8 mac_acls_restrict;
 174         u8 vlan_acls_restrict;
 175         u8 reserved1[22];
 176         __be32 num_mac_addrs;
 177         __be32 offset_mac_addrs;
 178         __be32 num_vlan_ids;
 179         __be32 offset_vlan_ids;
 180         u8 reserved2[80];
 181 } __packed __aligned(8);
 182
 183 /* descriptors have been changed, how should this be defined?  1? 4? */
 184
 185 #define IBMVNIC_TX_DESC_VERSIONS 3
 186
 187 /* is this still needed? */
 188 struct ibmvnic_tx_comp_desc {
 189         u8 first;
 190         u8 num_comps;
 191         __be16 rcs[5];
 192         __be32 correlators[5];
 193 } __packed __aligned(8);
 194
 195 /* some flags that included in v0 descriptor, which is gone
 196  * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
 197  * and only in some offload_flags variable that doesn't seem
 198  * to be used anywhere, can probably be removed?
 199  */
 200
 201 #define IBMVNIC_TCP_CHKSUM              0x20
 202 #define IBMVNIC_UDP_CHKSUM              0x08
 203
 204 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
 205
 206 struct ibmvnic_tx_desc {
 207         u8 first;
 208         u8 type;
 209
 210 #define IBMVNIC_TX_DESC 0x10
 211         u8 n_crq_elem;
 212         u8 n_sge;
 213         u8 flags1;
 214 #define IBMVNIC_TX_COMP_NEEDED          0x80
 215 #define IBMVNIC_TX_CHKSUM_OFFLOAD       0x40
 216 #define IBMVNIC_TX_LSO                  0x20
 217 #define IBMVNIC_TX_PROT_TCP             0x10
 218 #define IBMVNIC_TX_PROT_UDP             0x08
 219 #define IBMVNIC_TX_PROT_IPV4            0x04
 220 #define IBMVNIC_TX_PROT_IPV6            0x02
 221 #define IBMVNIC_TX_VLAN_PRESENT         0x01
 222         u8 flags2;
 223 #define IBMVNIC_TX_VLAN_INSERT          0x80
 224         __be16 mss;
 225         u8 reserved[4];
 226         __be32 correlator;
 227         __be16 vlan_id;
 228         __be16 dma_reg;
 229         __be32 sge_len;
 230         __be64 ioba;
 231 } __packed __aligned(8);
 232
 233 struct ibmvnic_hdr_desc {
 234         u8 first;
 235         u8 type;
 236 #define IBMVNIC_HDR_DESC                0x11
 237         u8 len;
 238         u8 l2_len;
 239         __be16 l3_len;
 240         u8 l4_len;
 241         u8 flag;
 242         u8 data[24];
 243 } __packed __aligned(8);
 244
 245 struct ibmvnic_hdr_ext_desc {
 246         u8 first;
 247         u8 type;
 248 #define IBMVNIC_HDR_EXT_DESC            0x12
 249         u8 len;
 250         u8 data[29];
 251 } __packed __aligned(8);
 252
 253 struct ibmvnic_sge_desc {
 254         u8 first;
 255         u8 type;
 256 #define IBMVNIC_SGE_DESC                0x30
 257         __be16 sge1_dma_reg;
 258         __be32 sge1_len;
 259         __be64 sge1_ioba;
 260         __be16 reserved;
 261         __be16 sge2_dma_reg;
 262         __be32 sge2_len;
 263         __be64 sge2_ioba;
 264 } __packed __aligned(8);
 265
 266 struct ibmvnic_rx_comp_desc {
 267         u8 first;
 268         u8 flags;
 269 #define IBMVNIC_IP_CHKSUM_GOOD          0x80
 270 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD     0x40
 271 #define IBMVNIC_END_FRAME                       0x20
 272 #define IBMVNIC_EXACT_MC                        0x10
 273 #define IBMVNIC_VLAN_STRIPPED                   0x08
 274         __be16 off_frame_data;
 275         __be32 len;
 276         __be64 correlator;
 277         __be16 vlan_tci;
 278         __be16 rc;
 279         u8 reserved[12];
 280 } __packed __aligned(8);
 281
 282 struct ibmvnic_generic_scrq {
 283         u8 first;
 284         u8 reserved[31];
 285 } __packed __aligned(8);
 286
 287 struct ibmvnic_rx_buff_add_desc {
 288         u8 first;
 289         u8 reserved[7];
 290         __be64 correlator;
 291         __be32 ioba;
 292         u8 map_id;
 293         __be32 len:24;
 294         u8 reserved2[8];
 295 } __packed __aligned(8);
 296
 297 struct ibmvnic_rc {
 298         u8 code; /* one of enum ibmvnic_rc_codes */
 299         u8 detailed_data[3];
 300 } __packed __aligned(4);
 301
 302 struct ibmvnic_generic_crq {
 303         u8 first;
 304         u8 cmd;
 305         u8 params[10];
 306         struct ibmvnic_rc rc;
 307 } __packed __aligned(8);
 308
 309 struct ibmvnic_version_exchange {
 310         u8 first;
 311         u8 cmd;
 312         __be16 version;
 313 #define IBMVNIC_INITIAL_VERSION 1
 314         u8 reserved[8];
 315         struct ibmvnic_rc rc;
 316 } __packed __aligned(8);
 317
 318 struct ibmvnic_capability {
 319         u8 first;
 320         u8 cmd;
 321         __be16 capability; /* one of ibmvnic_capabilities */
 322         struct ibmvnic_rc rc;
 323         __be32 number; /*FIX: should be __be64, but I'm getting the least
 324                         * significant word first
 325                         */
 326 } __packed __aligned(8);
 327
 328 struct ibmvnic_login {
 329         u8 first;
 330         u8 cmd;
 331         u8 reserved[6];
 332         __be32 ioba;
 333         __be32 len;
 334 } __packed __aligned(8);
 335
 336 struct ibmvnic_phys_parms {
 337         u8 first;
 338         u8 cmd;
 339         u8 flags1;
 340 #define IBMVNIC_EXTERNAL_LOOPBACK       0x80
 341 #define IBMVNIC_INTERNAL_LOOPBACK       0x40
 342 #define IBMVNIC_PROMISC         0x20
 343 #define IBMVNIC_PHYS_LINK_ACTIVE        0x10
 344 #define IBMVNIC_AUTONEG_DUPLEX  0x08
 345 #define IBMVNIC_FULL_DUPLEX     0x04
 346 #define IBMVNIC_HALF_DUPLEX     0x02
 347 #define IBMVNIC_CAN_CHG_PHYS_PARMS      0x01
 348         u8 flags2;
 349 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
 350         __be32 speed;
 351 #define IBMVNIC_AUTONEG         0x80
 352 #define IBMVNIC_10MBPS          0x40
 353 #define IBMVNIC_100MBPS         0x20
 354 #define IBMVNIC_1GBPS           0x10
 355 #define IBMVNIC_10GBPS          0x08
 356         __be32 mtu;
 357         struct ibmvnic_rc rc;
 358 } __packed __aligned(8);
 359
 360 struct ibmvnic_logical_link_state {
 361         u8 first;
 362         u8 cmd;
 363         u8 link_state;
 364 #define IBMVNIC_LOGICAL_LNK_DN 0x00
 365 #define IBMVNIC_LOGICAL_LNK_UP 0x01
 366 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
 367         u8 reserved[9];
 368         struct ibmvnic_rc rc;
 369 } __packed __aligned(8);
 370
 371 struct ibmvnic_query_ip_offload {
 372         u8 first;
 373         u8 cmd;
 374         u8 reserved[2];
 375         __be32 len;
 376         __be32 ioba;
 377         struct ibmvnic_rc rc;
 378 } __packed __aligned(8);
 379
 380 struct ibmvnic_control_ip_offload {
 381         u8 first;
 382         u8 cmd;
 383         u8 reserved[2];
 384         __be32 ioba;
 385         __be32 len;
 386         struct ibmvnic_rc rc;
 387 } __packed __aligned(8);
 388
 389 struct ibmvnic_request_dump_size {
 390         u8 first;
 391         u8 cmd;
 392         u8 reserved[6];
 393         __be32 len;
 394         struct ibmvnic_rc rc;
 395 } __packed __aligned(8);
 396
 397 struct ibmvnic_request_dump {
 398         u8 first;
 399         u8 cmd;
 400         u8 reserved1[2];
 401         __be32 ioba;
 402         __be32 len;
 403         u8 reserved2[4];
 404 } __packed __aligned(8);
 405
 406 struct ibmvnic_request_dump_rsp {
 407         u8 first;
 408         u8 cmd;
 409         u8 reserved[6];
 410         __be32 dumped_len;
 411         struct ibmvnic_rc rc;
 412 } __packed __aligned(8);
 413
 414 struct ibmvnic_request_ras_comp_num {
 415         u8 first;
 416         u8 cmd;
 417         u8 reserved1[2];
 418         __be32 num_components;
 419         u8 reserved2[4];
 420         struct ibmvnic_rc rc;
 421 } __packed __aligned(8);
 422
 423 struct ibmvnic_request_ras_comps {
 424         u8 first;
 425         u8 cmd;
 426         u8 reserved[2];
 427         __be32 ioba;
 428         __be32 len;
 429         struct ibmvnic_rc rc;
 430 } __packed __aligned(8);
 431
 432 struct ibmvnic_control_ras {
 433         u8 first;
 434         u8 cmd;
 435         u8 correlator;
 436         u8 level;
 437         u8 op;
 438 #define IBMVNIC_TRACE_LEVEL     1
 439 #define IBMVNIC_ERROR_LEVEL     2
 440 #define IBMVNIC_TRACE_PAUSE     3
 441 #define IBMVNIC_TRACE_RESUME    4
 442 #define IBMVNIC_TRACE_ON                5
 443 #define IBMVNIC_TRACE_OFF               6
 444 #define IBMVNIC_CHG_TRACE_BUFF_SZ       7
 445         u8 trace_buff_sz[3];
 446         u8 reserved[4];
 447         struct ibmvnic_rc rc;
 448 } __packed __aligned(8);
 449
 450 struct ibmvnic_collect_fw_trace {
 451         u8 first;
 452         u8 cmd;
 453         u8 correlator;
 454         u8 reserved;
 455         __be32 ioba;
 456         __be32 len;
 457         struct ibmvnic_rc rc;
 458 } __packed __aligned(8);
 459
 460 struct ibmvnic_request_statistics {
 461         u8 first;
 462         u8 cmd;
 463         u8 flags;
 464 #define IBMVNIC_PHYSICAL_PORT   0x80
 465         u8 reserved1;
 466         __be32 ioba;
 467         __be32 len;
 468         u8 reserved[4];
 469 } __packed __aligned(8);
 470
 471 struct ibmvnic_request_debug_stats {
 472         u8 first;
 473         u8 cmd;
 474         u8 reserved[2];
 475         __be32 ioba;
 476         __be32 len;
 477         struct ibmvnic_rc rc;
 478 } __packed __aligned(8);
 479
 480 struct ibmvnic_error_indication {
 481         u8 first;
 482         u8 cmd;
 483         u8 flags;
 484 #define IBMVNIC_FATAL_ERROR     0x80
 485         u8 reserved1;
 486         __be32 error_id;
 487         __be32 detail_error_sz;
 488         __be16 error_cause;
 489         u8 reserved2[2];
 490 } __packed __aligned(8);
 491
 492 struct ibmvnic_request_error_info {
 493         u8 first;
 494         u8 cmd;
 495         u8 reserved[2];
 496         __be32 ioba;
 497         __be32 len;
 498         __be32 error_id;
 499 } __packed __aligned(8);
 500
 501 struct ibmvnic_request_error_rsp {
 502         u8 first;
 503         u8 cmd;
 504         u8 reserved[2];
 505         __be32 error_id;
 506         __be32 len;
 507         struct ibmvnic_rc rc;
 508 } __packed __aligned(8);
 509
 510 struct ibmvnic_link_state_indication {
 511         u8 first;
 512         u8 cmd;
 513         u8 reserved1[2];
 514         u8 phys_link_state;
 515         u8 logical_link_state;
 516         u8 reserved2[10];
 517 } __packed __aligned(8);
 518
 519 struct ibmvnic_change_mac_addr {
 520         u8 first;
 521         u8 cmd;
 522         u8 mac_addr[6];
 523         struct ibmvnic_rc rc;
 524         u8 reserved[4];
 525 } __packed __aligned(8);
 526
 527 struct ibmvnic_multicast_ctrl {
 528         u8 first;
 529         u8 cmd;
 530         u8 mac_addr[6];
 531         u8 flags;
 532 #define IBMVNIC_ENABLE_MC               0x80
 533 #define IBMVNIC_DISABLE_MC              0x40
 534 #define IBMVNIC_ENABLE_ALL              0x20
 535 #define IBMVNIC_DISABLE_ALL     0x10
 536         u8 reserved1;
 537         __be16 reserved2; /* was num_enabled_mc_addr; */
 538         struct ibmvnic_rc rc;
 539 } __packed __aligned(8);
 540
 541 struct ibmvnic_get_vpd_size_rsp {
 542         u8 first;
 543         u8 cmd;
 544         u8 reserved[2];
 545         __be64 len;
 546         struct ibmvnic_rc rc;
 547 } __packed __aligned(8);
 548
 549 struct ibmvnic_get_vpd {
 550         u8 first;
 551         u8 cmd;
 552         u8 reserved1[2];
 553         __be32 ioba;
 554         __be32 len;
 555         u8 reserved[4];
 556 } __packed __aligned(8);
 557
 558 struct ibmvnic_acl_change_indication {
 559         u8 first;
 560         u8 cmd;
 561         __be16 change_type;
 562 #define IBMVNIC_MAC_ACL 0
 563 #define IBMVNIC_VLAN_ACL 1
 564         u8 reserved[12];
 565 } __packed __aligned(8);
 566
 567 struct ibmvnic_acl_query {
 568         u8 first;
 569         u8 cmd;
 570         u8 reserved1[2];
 571         __be32 ioba;
 572         __be32 len;
 573         u8 reserved2[4];
 574 } __packed __aligned(8);
 575
 576 struct ibmvnic_tune {
 577         u8 first;
 578         u8 cmd;
 579         u8 reserved1[2];
 580         __be32 ioba;
 581         __be32 len;
 582         u8 reserved2[4];
 583 } __packed __aligned(8);
 584
 585 struct ibmvnic_request_map {
 586         u8 first;
 587         u8 cmd;
 588         u8 reserved1;
 589         u8 map_id;
 590         __be32 ioba;
 591         __be32 len;
 592         u8 reserved2[4];
 593 } __packed __aligned(8);
 594
 595 struct ibmvnic_request_map_rsp {
 596         u8 first;
 597         u8 cmd;
 598         u8 reserved1;
 599         u8 map_id;
 600         u8 reserved2[4];
 601         struct ibmvnic_rc rc;
 602 } __packed __aligned(8);
 603
 604 struct ibmvnic_request_unmap {
 605         u8 first;
 606         u8 cmd;
 607         u8 reserved1;
 608         u8 map_id;
 609         u8 reserved2[12];
 610 } __packed __aligned(8);
 611
 612 struct ibmvnic_request_unmap_rsp {
 613         u8 first;
 614         u8 cmd;
 615         u8 reserved1;
 616         u8 map_id;
 617         u8 reserved2[8];
 618         struct ibmvnic_rc rc;
 619 } __packed __aligned(8);
 620
 621 struct ibmvnic_query_map {
 622         u8 first;
 623         u8 cmd;
 624         u8 reserved[14];
 625 } __packed __aligned(8);
 626
 627 struct ibmvnic_query_map_rsp {
 628         u8 first;
 629         u8 cmd;
 630         u8 reserved;
 631         u8 page_size;
 632         __be32 tot_pages;
 633         __be32 free_pages;
 634         struct ibmvnic_rc rc;
 635 } __packed __aligned(8);
 636
 637 union ibmvnic_crq {
 638         struct ibmvnic_generic_crq generic;
 639         struct ibmvnic_version_exchange version_exchange;
 640         struct ibmvnic_version_exchange version_exchange_rsp;
 641         struct ibmvnic_capability query_capability;
 642         struct ibmvnic_capability query_capability_rsp;
 643         struct ibmvnic_capability request_capability;
 644         struct ibmvnic_capability request_capability_rsp;
 645         struct ibmvnic_login login;
 646         struct ibmvnic_generic_crq login_rsp;
 647         struct ibmvnic_phys_parms query_phys_parms;
 648         struct ibmvnic_phys_parms query_phys_parms_rsp;
 649         struct ibmvnic_phys_parms query_phys_capabilities;
 650         struct ibmvnic_phys_parms query_phys_capabilities_rsp;
 651         struct ibmvnic_phys_parms set_phys_parms;
 652         struct ibmvnic_phys_parms set_phys_parms_rsp;
 653         struct ibmvnic_logical_link_state logical_link_state;
 654         struct ibmvnic_logical_link_state logical_link_state_rsp;
 655         struct ibmvnic_query_ip_offload query_ip_offload;
 656         struct ibmvnic_query_ip_offload query_ip_offload_rsp;
 657         struct ibmvnic_control_ip_offload control_ip_offload;
 658         struct ibmvnic_control_ip_offload control_ip_offload_rsp;
 659         struct ibmvnic_request_dump_size request_dump_size;
 660         struct ibmvnic_request_dump_size request_dump_size_rsp;
 661         struct ibmvnic_request_dump request_dump;
 662         struct ibmvnic_request_dump_rsp request_dump_rsp;
 663         struct ibmvnic_request_ras_comp_num request_ras_comp_num;
 664         struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
 665         struct ibmvnic_request_ras_comps request_ras_comps;
 666         struct ibmvnic_request_ras_comps request_ras_comps_rsp;
 667         struct ibmvnic_control_ras control_ras;
 668         struct ibmvnic_control_ras control_ras_rsp;
 669         struct ibmvnic_collect_fw_trace collect_fw_trace;
 670         struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
 671         struct ibmvnic_request_statistics request_statistics;
 672         struct ibmvnic_generic_crq request_statistics_rsp;
 673         struct ibmvnic_request_debug_stats request_debug_stats;
 674         struct ibmvnic_request_debug_stats request_debug_stats_rsp;
 675         struct ibmvnic_error_indication error_indication;
 676         struct ibmvnic_request_error_info request_error_info;
 677         struct ibmvnic_request_error_rsp request_error_rsp;
 678         struct ibmvnic_link_state_indication link_state_indication;
 679         struct ibmvnic_change_mac_addr change_mac_addr;
 680         struct ibmvnic_change_mac_addr change_mac_addr_rsp;
 681         struct ibmvnic_multicast_ctrl multicast_ctrl;
 682         struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
 683         struct ibmvnic_generic_crq get_vpd_size;
 684         struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
 685         struct ibmvnic_get_vpd get_vpd;
 686         struct ibmvnic_generic_crq get_vpd_rsp;
 687         struct ibmvnic_acl_change_indication acl_change_indication;
 688         struct ibmvnic_acl_query acl_query;
 689         struct ibmvnic_generic_crq acl_query_rsp;
 690         struct ibmvnic_tune tune;
 691         struct ibmvnic_generic_crq tune_rsp;
 692         struct ibmvnic_request_map request_map;
 693         struct ibmvnic_request_map_rsp request_map_rsp;
 694         struct ibmvnic_request_unmap request_unmap;
 695         struct ibmvnic_request_unmap_rsp request_unmap_rsp;
 696         struct ibmvnic_query_map query_map;
 697         struct ibmvnic_query_map_rsp query_map_rsp;
 698 };
 699
 700 enum ibmvnic_rc_codes {
 701         SUCCESS = 0,
 702         PARTIALSUCCESS = 1,
 703         PERMISSION = 2,
 704         NOMEMORY = 3,
 705         PARAMETER = 4,
 706         UNKNOWNCOMMAND = 5,
 707         ABORTED = 6,
 708         INVALIDSTATE = 7,
 709         INVALIDIOBA = 8,
 710         INVALIDLENGTH = 9,
 711         UNSUPPORTEDOPTION = 10,
 712 };
 713
 714 enum ibmvnic_capabilities {
 715         MIN_TX_QUEUES = 1,
 716         MIN_RX_QUEUES = 2,
 717         MIN_RX_ADD_QUEUES = 3,
 718         MAX_TX_QUEUES = 4,
 719         MAX_RX_QUEUES = 5,
 720         MAX_RX_ADD_QUEUES = 6,
 721         REQ_TX_QUEUES = 7,
 722         REQ_RX_QUEUES = 8,
 723         REQ_RX_ADD_QUEUES = 9,
 724         MIN_TX_ENTRIES_PER_SUBCRQ = 10,
 725         MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
 726         MAX_TX_ENTRIES_PER_SUBCRQ = 12,
 727         MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
 728         REQ_TX_ENTRIES_PER_SUBCRQ = 14,
 729         REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
 730         TCP_IP_OFFLOAD = 16,
 731         PROMISC_REQUESTED = 17,
 732         PROMISC_SUPPORTED = 18,
 733         MIN_MTU = 19,
 734         MAX_MTU = 20,
 735         REQ_MTU = 21,
 736         MAX_MULTICAST_FILTERS = 22,
 737         VLAN_HEADER_INSERTION = 23,
 738         MAX_TX_SG_ENTRIES = 25,
 739         RX_SG_SUPPORTED = 26,
 740         RX_SG_REQUESTED = 27,
 741         OPT_TX_COMP_SUB_QUEUES = 28,
 742         OPT_RX_COMP_QUEUES = 29,
 743         OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
 744         OPT_TX_ENTRIES_PER_SUBCRQ = 31,
 745         OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
 746         TX_RX_DESC_REQ = 33,
 747 };
 748
 749 enum ibmvnic_error_cause {
 750         ADAPTER_PROBLEM = 0,
 751         BUS_PROBLEM = 1,
 752         FW_PROBLEM = 2,
 753         DD_PROBLEM = 3,
 754         EEH_RECOVERY = 4,
 755         FW_UPDATED = 5,
 756         LOW_MEMORY = 6,
 757 };
 758
 759 enum ibmvnic_commands {
 760         VERSION_EXCHANGE = 0x01,
 761         VERSION_EXCHANGE_RSP = 0x81,
 762         QUERY_CAPABILITY = 0x02,
 763         QUERY_CAPABILITY_RSP = 0x82,
 764         REQUEST_CAPABILITY = 0x03,
 765         REQUEST_CAPABILITY_RSP = 0x83,
 766         LOGIN = 0x04,
 767         LOGIN_RSP = 0x84,
 768         QUERY_PHYS_PARMS = 0x05,
 769         QUERY_PHYS_PARMS_RSP = 0x85,
 770         QUERY_PHYS_CAPABILITIES = 0x06,
 771         QUERY_PHYS_CAPABILITIES_RSP = 0x86,
 772         SET_PHYS_PARMS = 0x07,
 773         SET_PHYS_PARMS_RSP = 0x87,
 774         ERROR_INDICATION = 0x08,
 775         REQUEST_ERROR_INFO = 0x09,
 776         REQUEST_ERROR_RSP = 0x89,
 777         REQUEST_DUMP_SIZE = 0x0A,
 778         REQUEST_DUMP_SIZE_RSP = 0x8A,
 779         REQUEST_DUMP = 0x0B,
 780         REQUEST_DUMP_RSP = 0x8B,
 781         LOGICAL_LINK_STATE = 0x0C,
 782         LOGICAL_LINK_STATE_RSP = 0x8C,
 783         REQUEST_STATISTICS = 0x0D,
 784         REQUEST_STATISTICS_RSP = 0x8D,
 785         REQUEST_RAS_COMP_NUM = 0x0E,
 786         REQUEST_RAS_COMP_NUM_RSP = 0x8E,
 787         REQUEST_RAS_COMPS = 0x0F,
 788         REQUEST_RAS_COMPS_RSP = 0x8F,
 789         CONTROL_RAS = 0x10,
 790         CONTROL_RAS_RSP = 0x90,
 791         COLLECT_FW_TRACE = 0x11,
 792         COLLECT_FW_TRACE_RSP = 0x91,
 793         LINK_STATE_INDICATION = 0x12,
 794         CHANGE_MAC_ADDR = 0x13,
 795         CHANGE_MAC_ADDR_RSP = 0x93,
 796         MULTICAST_CTRL = 0x14,
 797         MULTICAST_CTRL_RSP = 0x94,
 798         GET_VPD_SIZE = 0x15,
 799         GET_VPD_SIZE_RSP = 0x95,
 800         GET_VPD = 0x16,
 801         GET_VPD_RSP = 0x96,
 802         TUNE = 0x17,
 803         TUNE_RSP = 0x97,
 804         QUERY_IP_OFFLOAD = 0x18,
 805         QUERY_IP_OFFLOAD_RSP = 0x98,
 806         CONTROL_IP_OFFLOAD = 0x19,
 807         CONTROL_IP_OFFLOAD_RSP = 0x99,
 808         ACL_CHANGE_INDICATION = 0x1A,
 809         ACL_QUERY = 0x1B,
 810         ACL_QUERY_RSP = 0x9B,
 811         REQUEST_DEBUG_STATS = 0x1C,
 812         REQUEST_DEBUG_STATS_RSP = 0x9C,
 813         QUERY_MAP = 0x1D,
 814         QUERY_MAP_RSP = 0x9D,
 815         REQUEST_MAP = 0x1E,
 816         REQUEST_MAP_RSP = 0x9E,
 817         REQUEST_UNMAP = 0x1F,
 818         REQUEST_UNMAP_RSP = 0x9F,
 819         VLAN_CTRL = 0x20,
 820         VLAN_CTRL_RSP = 0xA0,
 821 };
 822
 823 enum ibmvnic_crq_type {
 824         IBMVNIC_CRQ_CMD                 = 0x80,
 825         IBMVNIC_CRQ_CMD_RSP             = 0x80,
 826         IBMVNIC_CRQ_INIT_CMD            = 0xC0,
 827         IBMVNIC_CRQ_INIT_RSP            = 0xC0,
 828         IBMVNIC_CRQ_XPORT_EVENT         = 0xFF,
 829 };
 830
 831 enum ibmvfc_crq_format {
 832         IBMVNIC_CRQ_INIT                 = 0x01,
 833         IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
 834         IBMVNIC_PARTITION_MIGRATED       = 0x06,
 835 };
 836
 837 struct ibmvnic_crq_queue {
 838         union ibmvnic_crq *msgs;
 839         int size, cur;
 840         dma_addr_t msg_token;
 841         spinlock_t lock;
 842 };
 843
 844 union sub_crq {
 845         struct ibmvnic_generic_scrq generic;
 846         struct ibmvnic_tx_comp_desc tx_comp;
 847         struct ibmvnic_tx_desc v1;
 848         struct ibmvnic_hdr_desc hdr;
 849         struct ibmvnic_hdr_ext_desc hdr_ext;
 850         struct ibmvnic_sge_desc sge;
 851         struct ibmvnic_rx_comp_desc rx_comp;
 852         struct ibmvnic_rx_buff_add_desc rx_add;
 853 };
 854
 855 struct ibmvnic_sub_crq_queue {
 856         union sub_crq *msgs;
 857         int size, cur;
 858         dma_addr_t msg_token;
 859         unsigned long crq_num;
 860         unsigned long hw_irq;
 861         unsigned int irq;
 862         unsigned int pool_index;
 863         int scrq_num;
 864         spinlock_t lock;
 865         struct sk_buff *rx_skb_top;
 866         struct ibmvnic_adapter *adapter;
 867 };
 868
 869 struct ibmvnic_long_term_buff {
 870         unsigned char *buff;
 871         dma_addr_t addr;
 872         u64 size;
 873         u8 map_id;
 874 };
 875
 876 struct ibmvnic_tx_buff {
 877         struct sk_buff *skb;
 878         dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
 879         unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
 880         int index;
 881         int pool_index;
 882         bool last_frag;
 883         bool used_bounce;
 884 };
 885
 886 struct ibmvnic_tx_pool {
 887         struct ibmvnic_tx_buff *tx_buff;
 888         int *free_map;
 889         int consumer_index;
 890         int producer_index;
 891         wait_queue_head_t ibmvnic_tx_comp_q;
 892         struct task_struct *work_thread;
 893         struct ibmvnic_long_term_buff long_term_buff;
 894 };
 895
 896 struct ibmvnic_rx_buff {
 897         struct sk_buff *skb;
 898         dma_addr_t dma;
 899         unsigned char *data;
 900         int size;
 901         int pool_index;
 902 };
 903
 904 struct ibmvnic_rx_pool {
 905         struct ibmvnic_rx_buff *rx_buff;
 906         int size;
 907         int index;
 908         int buff_size;
 909         atomic_t available;
 910         int *free_map;
 911         int next_free;
 912         int next_alloc;
 913         int active;
 914         struct ibmvnic_long_term_buff long_term_buff;
 915 };
 916
 917 struct ibmvnic_error_buff {
 918         char *buff;
 919         dma_addr_t dma;
 920         int len;
 921         struct list_head list;
 922         __be32 error_id;
 923 };
 924
 925 struct ibmvnic_fw_comp_internal {
 926         struct ibmvnic_adapter *adapter;
 927         int num;
 928         struct debugfs_blob_wrapper desc_blob;
 929         int paused;
 930 };
 931
 932 struct ibmvnic_inflight_cmd {
 933         union ibmvnic_crq crq;
 934         struct list_head list;
 935 };
 936
 937 struct ibmvnic_adapter {
 938         struct vio_dev *vdev;
 939         struct net_device *netdev;
 940         struct ibmvnic_crq_queue crq;
 941         u8 mac_addr[ETH_ALEN];
 942         struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
 943         dma_addr_t ip_offload_tok;
 944         struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
 945         dma_addr_t ip_offload_ctrl_tok;
 946         bool migrated;
 947         u32 msg_enable;
 948         void *bounce_buffer;
 949         int bounce_buffer_size;
 950         dma_addr_t bounce_buffer_dma;
 951
 952         /* Statistics */
 953         struct net_device_stats net_stats;
 954         struct ibmvnic_statistics stats;
 955         dma_addr_t stats_token;
 956         struct completion stats_done;
 957         spinlock_t stats_lock;
 958         int replenish_no_mem;
 959         int replenish_add_buff_success;
 960         int replenish_add_buff_failure;
 961         int replenish_task_cycles;
 962         int tx_send_failed;
 963         int tx_map_failed;
 964
 965         int phys_link_state;
 966         int logical_link_state;
 967
 968         /* login data */
 969         struct ibmvnic_login_buffer *login_buf;
 970         dma_addr_t login_buf_token;
 971         int login_buf_sz;
 972
 973         struct ibmvnic_login_rsp_buffer *login_rsp_buf;
 974         dma_addr_t login_rsp_buf_token;
 975         int login_rsp_buf_sz;
 976
 977         atomic_t running_cap_queries;
 978
 979         struct ibmvnic_sub_crq_queue **tx_scrq;
 980         struct ibmvnic_sub_crq_queue **rx_scrq;
 981         int requested_caps;
 982
 983         /* rx structs */
 984         struct napi_struct *napi;
 985         struct ibmvnic_rx_pool *rx_pool;
 986         u64 promisc;
 987
 988         struct ibmvnic_tx_pool *tx_pool;
 989         bool closing;
 990         struct completion init_done;
 991
 992         struct list_head errors;
 993         spinlock_t error_list_lock;
 994
 995         /* debugfs */
 996         struct dentry *debugfs_dir;
 997         struct dentry *debugfs_dump;
 998         struct completion fw_done;
 999         char *dump_data;
1000         dma_addr_t dump_data_token;
1001         int dump_data_size;
1002         int ras_comp_num;
1003         struct ibmvnic_fw_component *ras_comps;
1004         struct ibmvnic_fw_comp_internal *ras_comp_int;
1005         dma_addr_t ras_comps_tok;
1006         struct dentry *ras_comps_ent;
1007
1008         /* in-flight commands that allocate and/or map memory*/
1009         struct list_head inflight;
1010         spinlock_t inflight_lock;
1011
1012         /* partner capabilities */
1013         u64 min_tx_queues;
1014         u64 min_rx_queues;
1015         u64 min_rx_add_queues;
1016         u64 max_tx_queues;
1017         u64 max_rx_queues;
1018         u64 max_rx_add_queues;
1019         u64 req_tx_queues;
1020         u64 req_rx_queues;
1021         u64 req_rx_add_queues;
1022         u64 min_tx_entries_per_subcrq;
1023         u64 min_rx_add_entries_per_subcrq;
1024         u64 max_tx_entries_per_subcrq;
1025         u64 max_rx_add_entries_per_subcrq;
1026         u64 req_tx_entries_per_subcrq;
1027         u64 req_rx_add_entries_per_subcrq;
1028         u64 tcp_ip_offload;
1029         u64 promisc_requested;
1030         u64 promisc_supported;
1031         u64 min_mtu;
1032         u64 max_mtu;
1033         u64 req_mtu;
1034         u64 max_multicast_filters;
1035         u64 vlan_header_insertion;
1036         u64 max_tx_sg_entries;
1037         u64 rx_sg_supported;
1038         u64 rx_sg_requested;
1039         u64 opt_tx_comp_sub_queues;
1040         u64 opt_rx_comp_queues;
1041         u64 opt_rx_bufadd_q_per_rx_comp_q;
1042         u64 opt_tx_entries_per_subcrq;
1043         u64 opt_rxba_entries_per_subcrq;
1044         __be64 tx_rx_desc_req;
1045         u8 map_id;
1046 };