drivers/net/ethernet/qlogic/qed/qed_vf.h

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef _QED_VF_H
  34 #define _QED_VF_H
  35
  36 #include "qed_l2.h"
  37 #include "qed_mcp.h"
  38
  39 #define T_ETH_INDIRECTION_TABLE_SIZE 128
  40 #define T_ETH_RSS_KEY_SIZE 10
  41
  42 struct vf_pf_resc_request {
  43         u8 num_rxqs;
  44         u8 num_txqs;
  45         u8 num_sbs;
  46         u8 num_mac_filters;
  47         u8 num_vlan_filters;
  48         u8 num_mc_filters;
  49         u8 num_cids;
  50         u8 padding;
  51 };
  52
  53 struct hw_sb_info {
  54         u16 hw_sb_id;
  55         u8 sb_qid;
  56         u8 padding[5];
  57 };
  58
  59 #define TLV_BUFFER_SIZE                 1024
  60
  61 enum {
  62         PFVF_STATUS_WAITING,
  63         PFVF_STATUS_SUCCESS,
  64         PFVF_STATUS_FAILURE,
  65         PFVF_STATUS_NOT_SUPPORTED,
  66         PFVF_STATUS_NO_RESOURCE,
  67         PFVF_STATUS_FORCED,
  68         PFVF_STATUS_MALICIOUS,
  69 };
  70
  71 /* vf pf channel tlvs */
  72 /* general tlv header (used for both vf->pf request and pf->vf response) */
  73 struct channel_tlv {
  74         u16 type;
  75         u16 length;
  76 };
  77
  78 /* header of first vf->pf tlv carries the offset used to calculate reponse
  79  * buffer address
  80  */
  81 struct vfpf_first_tlv {
  82         struct channel_tlv tl;
  83         u32 padding;
  84         u64 reply_address;
  85 };
  86
  87 /* header of pf->vf tlvs, carries the status of handling the request */
  88 struct pfvf_tlv {
  89         struct channel_tlv tl;
  90         u8 status;
  91         u8 padding[3];
  92 };
  93
  94 /* response tlv used for most tlvs */
  95 struct pfvf_def_resp_tlv {
  96         struct pfvf_tlv hdr;
  97 };
  98
  99 /* used to terminate and pad a tlv list */
 100 struct channel_list_end_tlv {
 101         struct channel_tlv tl;
 102         u8 padding[4];
 103 };
 104
 105 #define VFPF_ACQUIRE_OS_LINUX (0)
 106 #define VFPF_ACQUIRE_OS_WINDOWS (1)
 107 #define VFPF_ACQUIRE_OS_ESX (2)
 108 #define VFPF_ACQUIRE_OS_SOLARIS (3)
 109 #define VFPF_ACQUIRE_OS_LINUX_USERSPACE (4)
 110
 111 struct vfpf_acquire_tlv {
 112         struct vfpf_first_tlv first_tlv;
 113
 114         struct vf_pf_vfdev_info {
 115 #define VFPF_ACQUIRE_CAP_PRE_FP_HSI     (1 << 0) /* VF pre-FP hsi version */
 116 #define VFPF_ACQUIRE_CAP_100G           (1 << 1) /* VF can support 100g */
 117         /* A requirement for supporting multi-Tx queues on a single queue-zone,
 118          * VF would pass qids as additional information whenever passing queue
 119          * references.
 120          */
 121 #define VFPF_ACQUIRE_CAP_QUEUE_QIDS     BIT(2)
 122
 123         /* The VF is using the physical bar. While this is mostly internal
 124          * to the VF, might affect the number of CIDs supported assuming
 125          * QUEUE_QIDS is set.
 126          */
 127 #define VFPF_ACQUIRE_CAP_PHYSICAL_BAR   BIT(3)
 128                 u64 capabilities;
 129                 u8 fw_major;
 130                 u8 fw_minor;
 131                 u8 fw_revision;
 132                 u8 fw_engineering;
 133                 u32 driver_version;
 134                 u16 opaque_fid; /* ME register value */
 135                 u8 os_type;     /* VFPF_ACQUIRE_OS_* value */
 136                 u8 eth_fp_hsi_major;
 137                 u8 eth_fp_hsi_minor;
 138                 u8 padding[3];
 139         } vfdev_info;
 140
 141         struct vf_pf_resc_request resc_request;
 142
 143         u64 bulletin_addr;
 144         u32 bulletin_size;
 145         u32 padding;
 146 };
 147
 148 /* receive side scaling tlv */
 149 struct vfpf_vport_update_rss_tlv {
 150         struct channel_tlv tl;
 151
 152         u8 update_rss_flags;
 153 #define VFPF_UPDATE_RSS_CONFIG_FLAG       BIT(0)
 154 #define VFPF_UPDATE_RSS_CAPS_FLAG         BIT(1)
 155 #define VFPF_UPDATE_RSS_IND_TABLE_FLAG    BIT(2)
 156 #define VFPF_UPDATE_RSS_KEY_FLAG          BIT(3)
 157
 158         u8 rss_enable;
 159         u8 rss_caps;
 160         u8 rss_table_size_log;  /* The table size is 2 ^ rss_table_size_log */
 161         u16 rss_ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
 162         u32 rss_key[T_ETH_RSS_KEY_SIZE];
 163 };
 164
 165 struct pfvf_storm_stats {
 166         u32 address;
 167         u32 len;
 168 };
 169
 170 struct pfvf_stats_info {
 171         struct pfvf_storm_stats mstats;
 172         struct pfvf_storm_stats pstats;
 173         struct pfvf_storm_stats tstats;
 174         struct pfvf_storm_stats ustats;
 175 };
 176
 177 struct pfvf_acquire_resp_tlv {
 178         struct pfvf_tlv hdr;
 179
 180         struct pf_vf_pfdev_info {
 181                 u32 chip_num;
 182                 u32 mfw_ver;
 183
 184                 u16 fw_major;
 185                 u16 fw_minor;
 186                 u16 fw_rev;
 187                 u16 fw_eng;
 188
 189                 u64 capabilities;
 190 #define PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED       BIT(0)
 191 #define PFVF_ACQUIRE_CAP_100G                   BIT(1)  /* If set, 100g PF */
 192 /* There are old PF versions where the PF might mistakenly override the sanity
 193  * mechanism [version-based] and allow a VF that can't be supported to pass
 194  * the acquisition phase.
 195  * To overcome this, PFs now indicate that they're past that point and the new
 196  * VFs would fail probe on the older PFs that fail to do so.
 197  */
 198 #define PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE       BIT(2)
 199
 200         /* PF expects queues to be received with additional qids */
 201 #define PFVF_ACQUIRE_CAP_QUEUE_QIDS             BIT(3)
 202
 203                 u16 db_size;
 204                 u8 indices_per_sb;
 205                 u8 os_type;
 206
 207                 /* These should match the PF's qed_dev values */
 208                 u16 chip_rev;
 209                 u8 dev_type;
 210
 211                 /* Doorbell bar size configured in HW: log(size) or 0 */
 212                 u8 bar_size;
 213
 214                 struct pfvf_stats_info stats_info;
 215
 216                 u8 port_mac[ETH_ALEN];
 217
 218                 /* It's possible PF had to configure an older fastpath HSI
 219                  * [in case VF is newer than PF]. This is communicated back
 220                  * to the VF. It can also be used in case of error due to
 221                  * non-matching versions to shed light in VF about failure.
 222                  */
 223                 u8 major_fp_hsi;
 224                 u8 minor_fp_hsi;
 225         } pfdev_info;
 226
 227         struct pf_vf_resc {
 228 #define PFVF_MAX_QUEUES_PER_VF          16
 229 #define PFVF_MAX_SBS_PER_VF             16
 230                 struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
 231                 u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
 232                 u8 cid[PFVF_MAX_QUEUES_PER_VF];
 233
 234                 u8 num_rxqs;
 235                 u8 num_txqs;
 236                 u8 num_sbs;
 237                 u8 num_mac_filters;
 238                 u8 num_vlan_filters;
 239                 u8 num_mc_filters;
 240                 u8 num_cids;
 241                 u8 padding;
 242         } resc;
 243
 244         u32 bulletin_size;
 245         u32 padding;
 246 };
 247
 248 struct pfvf_start_queue_resp_tlv {
 249         struct pfvf_tlv hdr;
 250         u32 offset;             /* offset to consumer/producer of queue */
 251         u8 padding[4];
 252 };
 253
 254 /* Extended queue information - additional index for reference inside qzone.
 255  * If commmunicated between VF/PF, each TLV relating to queues should be
 256  * extended by one such [or have a future base TLV that already contains info].
 257  */
 258 struct vfpf_qid_tlv {
 259         struct channel_tlv tl;
 260         u8 qid;
 261         u8 padding[3];
 262 };
 263
 264 /* Setup Queue */
 265 struct vfpf_start_rxq_tlv {
 266         struct vfpf_first_tlv first_tlv;
 267
 268         /* physical addresses */
 269         u64 rxq_addr;
 270         u64 deprecated_sge_addr;
 271         u64 cqe_pbl_addr;
 272
 273         u16 cqe_pbl_size;
 274         u16 hw_sb;
 275         u16 rx_qid;
 276         u16 hc_rate;            /* desired interrupts per sec. */
 277
 278         u16 bd_max_bytes;
 279         u16 stat_id;
 280         u8 sb_index;
 281         u8 padding[3];
 282 };
 283
 284 struct vfpf_start_txq_tlv {
 285         struct vfpf_first_tlv first_tlv;
 286
 287         /* physical addresses */
 288         u64 pbl_addr;
 289         u16 pbl_size;
 290         u16 stat_id;
 291         u16 tx_qid;
 292         u16 hw_sb;
 293
 294         u32 flags;              /* VFPF_QUEUE_FLG_X flags */
 295         u16 hc_rate;            /* desired interrupts per sec. */
 296         u8 sb_index;
 297         u8 padding[3];
 298 };
 299
 300 /* Stop RX Queue */
 301 struct vfpf_stop_rxqs_tlv {
 302         struct vfpf_first_tlv first_tlv;
 303
 304         u16 rx_qid;
 305
 306         /* this field is deprecated and should *always* be set to '1' */
 307         u8 num_rxqs;
 308         u8 cqe_completion;
 309         u8 padding[4];
 310 };
 311
 312 /* Stop TX Queues */
 313 struct vfpf_stop_txqs_tlv {
 314         struct vfpf_first_tlv first_tlv;
 315
 316         u16 tx_qid;
 317
 318         /* this field is deprecated and should *always* be set to '1' */
 319         u8 num_txqs;
 320         u8 padding[5];
 321 };
 322
 323 struct vfpf_update_rxq_tlv {
 324         struct vfpf_first_tlv first_tlv;
 325
 326         u64 deprecated_sge_addr[PFVF_MAX_QUEUES_PER_VF];
 327
 328         u16 rx_qid;
 329         u8 num_rxqs;
 330         u8 flags;
 331 #define VFPF_RXQ_UPD_INIT_SGE_DEPRECATE_FLAG    BIT(0)
 332 #define VFPF_RXQ_UPD_COMPLETE_CQE_FLAG          BIT(1)
 333 #define VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG        BIT(2)
 334
 335         u8 padding[4];
 336 };
 337
 338 /* Set Queue Filters */
 339 struct vfpf_q_mac_vlan_filter {
 340         u32 flags;
 341 #define VFPF_Q_FILTER_DEST_MAC_VALID    0x01
 342 #define VFPF_Q_FILTER_VLAN_TAG_VALID    0x02
 343 #define VFPF_Q_FILTER_SET_MAC           0x100   /* set/clear */
 344
 345         u8 mac[ETH_ALEN];
 346         u16 vlan_tag;
 347
 348         u8 padding[4];
 349 };
 350
 351 /* Start a vport */
 352 struct vfpf_vport_start_tlv {
 353         struct vfpf_first_tlv first_tlv;
 354
 355         u64 sb_addr[PFVF_MAX_SBS_PER_VF];
 356
 357         u32 tpa_mode;
 358         u16 dep1;
 359         u16 mtu;
 360
 361         u8 vport_id;
 362         u8 inner_vlan_removal;
 363
 364         u8 only_untagged;
 365         u8 max_buffers_per_cqe;
 366
 367         u8 padding[4];
 368 };
 369
 370 /* Extended tlvs - need to add rss, mcast, accept mode tlvs */
 371 struct vfpf_vport_update_activate_tlv {
 372         struct channel_tlv tl;
 373         u8 update_rx;
 374         u8 update_tx;
 375         u8 active_rx;
 376         u8 active_tx;
 377 };
 378
 379 struct vfpf_vport_update_tx_switch_tlv {
 380         struct channel_tlv tl;
 381         u8 tx_switching;
 382         u8 padding[3];
 383 };
 384
 385 struct vfpf_vport_update_vlan_strip_tlv {
 386         struct channel_tlv tl;
 387         u8 remove_vlan;
 388         u8 padding[3];
 389 };
 390
 391 struct vfpf_vport_update_mcast_bin_tlv {
 392         struct channel_tlv tl;
 393         u8 padding[4];
 394
 395         u64 bins[8];
 396 };
 397
 398 struct vfpf_vport_update_accept_param_tlv {
 399         struct channel_tlv tl;
 400         u8 update_rx_mode;
 401         u8 update_tx_mode;
 402         u8 rx_accept_filter;
 403         u8 tx_accept_filter;
 404 };
 405
 406 struct vfpf_vport_update_accept_any_vlan_tlv {
 407         struct channel_tlv tl;
 408         u8 update_accept_any_vlan_flg;
 409         u8 accept_any_vlan;
 410
 411         u8 padding[2];
 412 };
 413
 414 struct vfpf_vport_update_sge_tpa_tlv {
 415         struct channel_tlv tl;
 416
 417         u16 sge_tpa_flags;
 418 #define VFPF_TPA_IPV4_EN_FLAG           BIT(0)
 419 #define VFPF_TPA_IPV6_EN_FLAG           BIT(1)
 420 #define VFPF_TPA_PKT_SPLIT_FLAG         BIT(2)
 421 #define VFPF_TPA_HDR_DATA_SPLIT_FLAG    BIT(3)
 422 #define VFPF_TPA_GRO_CONSIST_FLAG       BIT(4)
 423
 424         u8 update_sge_tpa_flags;
 425 #define VFPF_UPDATE_SGE_DEPRECATED_FLAG BIT(0)
 426 #define VFPF_UPDATE_TPA_EN_FLAG         BIT(1)
 427 #define VFPF_UPDATE_TPA_PARAM_FLAG      BIT(2)
 428
 429         u8 max_buffers_per_cqe;
 430
 431         u16 deprecated_sge_buff_size;
 432         u16 tpa_max_size;
 433         u16 tpa_min_size_to_start;
 434         u16 tpa_min_size_to_cont;
 435
 436         u8 tpa_max_aggs_num;
 437         u8 padding[7];
 438 };
 439
 440 /* Primary tlv as a header for various extended tlvs for
 441  * various functionalities in vport update ramrod.
 442  */
 443 struct vfpf_vport_update_tlv {
 444         struct vfpf_first_tlv first_tlv;
 445 };
 446
 447 struct vfpf_ucast_filter_tlv {
 448         struct vfpf_first_tlv first_tlv;
 449
 450         u8 opcode;
 451         u8 type;
 452
 453         u8 mac[ETH_ALEN];
 454
 455         u16 vlan;
 456         u16 padding[3];
 457 };
 458
 459 /* tunnel update param tlv */
 460 struct vfpf_update_tunn_param_tlv {
 461         struct vfpf_first_tlv first_tlv;
 462
 463         u8 tun_mode_update_mask;
 464         u8 tunn_mode;
 465         u8 update_tun_cls;
 466         u8 vxlan_clss;
 467         u8 l2gre_clss;
 468         u8 ipgre_clss;
 469         u8 l2geneve_clss;
 470         u8 ipgeneve_clss;
 471         u8 update_geneve_port;
 472         u8 update_vxlan_port;
 473         u16 geneve_port;
 474         u16 vxlan_port;
 475         u8 padding[2];
 476 };
 477
 478 struct pfvf_update_tunn_param_tlv {
 479         struct pfvf_tlv hdr;
 480
 481         u16 tunn_feature_mask;
 482         u8 vxlan_mode;
 483         u8 l2geneve_mode;
 484         u8 ipgeneve_mode;
 485         u8 l2gre_mode;
 486         u8 ipgre_mode;
 487         u8 vxlan_clss;
 488         u8 l2gre_clss;
 489         u8 ipgre_clss;
 490         u8 l2geneve_clss;
 491         u8 ipgeneve_clss;
 492         u16 vxlan_udp_port;
 493         u16 geneve_udp_port;
 494 };
 495
 496 struct tlv_buffer_size {
 497         u8 tlv_buffer[TLV_BUFFER_SIZE];
 498 };
 499
 500 struct vfpf_update_coalesce {
 501         struct vfpf_first_tlv first_tlv;
 502         u16 rx_coal;
 503         u16 tx_coal;
 504         u16 qid;
 505         u8 padding[2];
 506 };
 507
 508 struct vfpf_read_coal_req_tlv {
 509         struct vfpf_first_tlv first_tlv;
 510         u16 qid;
 511         u8 is_rx;
 512         u8 padding[5];
 513 };
 514
 515 struct pfvf_read_coal_resp_tlv {
 516         struct pfvf_tlv hdr;
 517         u16 coal;
 518         u8 padding[6];
 519 };
 520
 521 union vfpf_tlvs {
 522         struct vfpf_first_tlv first_tlv;
 523         struct vfpf_acquire_tlv acquire;
 524         struct vfpf_start_rxq_tlv start_rxq;
 525         struct vfpf_start_txq_tlv start_txq;
 526         struct vfpf_stop_rxqs_tlv stop_rxqs;
 527         struct vfpf_stop_txqs_tlv stop_txqs;
 528         struct vfpf_update_rxq_tlv update_rxq;
 529         struct vfpf_vport_start_tlv start_vport;
 530         struct vfpf_vport_update_tlv vport_update;
 531         struct vfpf_ucast_filter_tlv ucast_filter;
 532         struct vfpf_update_tunn_param_tlv tunn_param_update;
 533         struct vfpf_update_coalesce update_coalesce;
 534         struct vfpf_read_coal_req_tlv read_coal_req;
 535         struct tlv_buffer_size tlv_buf_size;
 536 };
 537
 538 union pfvf_tlvs {
 539         struct pfvf_def_resp_tlv default_resp;
 540         struct pfvf_acquire_resp_tlv acquire_resp;
 541         struct tlv_buffer_size tlv_buf_size;
 542         struct pfvf_start_queue_resp_tlv queue_start;
 543         struct pfvf_update_tunn_param_tlv tunn_param_resp;
 544         struct pfvf_read_coal_resp_tlv read_coal_resp;
 545 };
 546
 547 enum qed_bulletin_bit {
 548         /* Alert the VF that a forced MAC was set by the PF */
 549         MAC_ADDR_FORCED = 0,
 550         /* Alert the VF that a forced VLAN was set by the PF */
 551         VLAN_ADDR_FORCED = 2,
 552
 553         /* Indicate that `default_only_untagged' contains actual data */
 554         VFPF_BULLETIN_UNTAGGED_DEFAULT = 3,
 555         VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED = 4,
 556
 557         /* Alert the VF that suggested mac was sent by the PF.
 558          * MAC_ADDR will be disabled in case MAC_ADDR_FORCED is set.
 559          */
 560         VFPF_BULLETIN_MAC_ADDR = 5
 561 };
 562
 563 struct qed_bulletin_content {
 564         /* crc of structure to ensure is not in mid-update */
 565         u32 crc;
 566
 567         u32 version;
 568
 569         /* bitmap indicating which fields hold valid values */
 570         u64 valid_bitmap;
 571
 572         /* used for MAC_ADDR or MAC_ADDR_FORCED */
 573         u8 mac[ETH_ALEN];
 574
 575         /* If valid, 1 => only untagged Rx if no vlan is configured */
 576         u8 default_only_untagged;
 577         u8 padding;
 578
 579         /* The following is a 'copy' of qed_mcp_link_state,
 580          * qed_mcp_link_params and qed_mcp_link_capabilities. Since it's
 581          * possible the structs will increase further along the road we cannot
 582          * have it here; Instead we need to have all of its fields.
 583          */
 584         u8 req_autoneg;
 585         u8 req_autoneg_pause;
 586         u8 req_forced_rx;
 587         u8 req_forced_tx;
 588         u8 padding2[4];
 589
 590         u32 req_adv_speed;
 591         u32 req_forced_speed;
 592         u32 req_loopback;
 593         u32 padding3;
 594
 595         u8 link_up;
 596         u8 full_duplex;
 597         u8 autoneg;
 598         u8 autoneg_complete;
 599         u8 parallel_detection;
 600         u8 pfc_enabled;
 601         u8 partner_tx_flow_ctrl_en;
 602         u8 partner_rx_flow_ctrl_en;
 603         u8 partner_adv_pause;
 604         u8 sfp_tx_fault;
 605         u16 vxlan_udp_port;
 606         u16 geneve_udp_port;
 607         u8 padding4[2];
 608
 609         u32 speed;
 610         u32 partner_adv_speed;
 611
 612         u32 capability_speed;
 613
 614         /* Forced vlan */
 615         u16 pvid;
 616         u16 padding5;
 617 };
 618
 619 struct qed_bulletin {
 620         dma_addr_t phys;
 621         struct qed_bulletin_content *p_virt;
 622         u32 size;
 623 };
 624
 625 enum {
 626         CHANNEL_TLV_NONE,       /* ends tlv sequence */
 627         CHANNEL_TLV_ACQUIRE,
 628         CHANNEL_TLV_VPORT_START,
 629         CHANNEL_TLV_VPORT_UPDATE,
 630         CHANNEL_TLV_VPORT_TEARDOWN,
 631         CHANNEL_TLV_START_RXQ,
 632         CHANNEL_TLV_START_TXQ,
 633         CHANNEL_TLV_STOP_RXQS,
 634         CHANNEL_TLV_STOP_TXQS,
 635         CHANNEL_TLV_UPDATE_RXQ,
 636         CHANNEL_TLV_INT_CLEANUP,
 637         CHANNEL_TLV_CLOSE,
 638         CHANNEL_TLV_RELEASE,
 639         CHANNEL_TLV_LIST_END,
 640         CHANNEL_TLV_UCAST_FILTER,
 641         CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
 642         CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH,
 643         CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP,
 644         CHANNEL_TLV_VPORT_UPDATE_MCAST,
 645         CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM,
 646         CHANNEL_TLV_VPORT_UPDATE_RSS,
 647         CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN,
 648         CHANNEL_TLV_VPORT_UPDATE_SGE_TPA,
 649         CHANNEL_TLV_UPDATE_TUNN_PARAM,
 650         CHANNEL_TLV_COALESCE_UPDATE,
 651         CHANNEL_TLV_QID,
 652         CHANNEL_TLV_COALESCE_READ,
 653         CHANNEL_TLV_MAX,
 654
 655         /* Required for iterating over vport-update tlvs.
 656          * Will break in case non-sequential vport-update tlvs.
 657          */
 658         CHANNEL_TLV_VPORT_UPDATE_MAX = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA + 1,
 659 };
 660
 661 /* Default number of CIDs [total of both Rx and Tx] to be requested
 662  * by default, and maximum possible number.
 663  */
 664 #define QED_ETH_VF_DEFAULT_NUM_CIDS (32)
 665 #define QED_ETH_VF_MAX_NUM_CIDS (250)
 666
 667 /* This data is held in the qed_hwfn structure for VFs only. */
 668 struct qed_vf_iov {
 669         union vfpf_tlvs *vf2pf_request;
 670         dma_addr_t vf2pf_request_phys;
 671         union pfvf_tlvs *pf2vf_reply;
 672         dma_addr_t pf2vf_reply_phys;
 673
 674         /* Should be taken whenever the mailbox buffers are accessed */
 675         struct mutex mutex;
 676         u8 *offset;
 677
 678         /* Bulletin Board */
 679         struct qed_bulletin bulletin;
 680         struct qed_bulletin_content bulletin_shadow;
 681
 682         /* we set aside a copy of the acquire response */
 683         struct pfvf_acquire_resp_tlv acquire_resp;
 684
 685         /* In case PF originates prior to the fp-hsi version comparison,
 686          * this has to be propagated as it affects the fastpath.
 687          */
 688         bool b_pre_fp_hsi;
 689
 690         /* Current day VFs are passing the SBs physical address on vport
 691          * start, and as they lack an IGU mapping they need to store the
 692          * addresses of previously registered SBs.
 693          * Even if we were to change configuration flow, due to backward
 694          * compatibility [with older PFs] we'd still need to store these.
 695          */
 696         struct qed_sb_info *sbs_info[PFVF_MAX_SBS_PER_VF];
 697
 698         /* Determines whether VF utilizes doorbells via limited register
 699          * bar or via the doorbell bar.
 700          */
 701         bool b_doorbell_bar;
 702 };
 703
 704 /**
 705  * @brief VF - Set Rx/Tx coalesce per VF's relative queue.
 706  *             Coalesce value '0' will omit the configuration.
 707  *
 708  * @param p_hwfn
 709  * @param rx_coal - coalesce value in micro second for rx queue
 710  * @param tx_coal - coalesce value in micro second for tx queue
 711  * @param p_cid   - queue cid
 712  *
 713  **/
 714 int qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
 715                            u16 rx_coal,
 716                            u16 tx_coal, struct qed_queue_cid *p_cid);
 717
 718 /**
 719  * @brief VF - Get coalesce per VF's relative queue.
 720  *
 721  * @param p_hwfn
 722  * @param p_coal - coalesce value in micro second for VF queues.
 723  * @param p_cid  - queue cid
 724  *
 725  **/
 726 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
 727                            u16 *p_coal, struct qed_queue_cid *p_cid);
 728
 729 #ifdef CONFIG_QED_SRIOV
 730 /**
 731  * @brief Read the VF bulletin and act on it if needed
 732  *
 733  * @param p_hwfn
 734  * @param p_change - qed fills 1 iff bulletin board has changed, 0 otherwise.
 735  *
 736  * @return enum _qed_status
 737  */
 738 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change);
 739
 740 /**
 741  * @brief Get link paramters for VF from qed
 742  *
 743  * @param p_hwfn
 744  * @param params - the link params structure to be filled for the VF
 745  */
 746 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
 747                             struct qed_mcp_link_params *params);
 748
 749 /**
 750  * @brief Get link state for VF from qed
 751  *
 752  * @param p_hwfn
 753  * @param link - the link state structure to be filled for the VF
 754  */
 755 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
 756                            struct qed_mcp_link_state *link);
 757
 758 /**
 759  * @brief Get link capabilities for VF from qed
 760  *
 761  * @param p_hwfn
 762  * @param p_link_caps - the link capabilities structure to be filled for the VF
 763  */
 764 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
 765                           struct qed_mcp_link_capabilities *p_link_caps);
 766
 767 /**
 768  * @brief Get number of Rx queues allocated for VF by qed
 769  *
 770  *  @param p_hwfn
 771  *  @param num_rxqs - allocated RX queues
 772  */
 773 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs);
 774
 775 /**
 776  * @brief Get number of Rx queues allocated for VF by qed
 777  *
 778  *  @param p_hwfn
 779  *  @param num_txqs - allocated RX queues
 780  */
 781 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs);
 782
 783 /**
 784  * @brief Get number of available connections [both Rx and Tx] for VF
 785  *
 786  * @param p_hwfn
 787  * @param num_cids - allocated number of connections
 788  */
 789 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids);
 790
 791 /**
 792  * @brief Get port mac address for VF
 793  *
 794  * @param p_hwfn
 795  * @param port_mac - destination location for port mac
 796  */
 797 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac);
 798
 799 /**
 800  * @brief Get number of VLAN filters allocated for VF by qed
 801  *
 802  *  @param p_hwfn
 803  *  @param num_rxqs - allocated VLAN filters
 804  */
 805 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn,
 806                                  u8 *num_vlan_filters);
 807
 808 /**
 809  * @brief Get number of MAC filters allocated for VF by qed
 810  *
 811  *  @param p_hwfn
 812  *  @param num_rxqs - allocated MAC filters
 813  */
 814 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters);
 815
 816 /**
 817  * @brief Check if VF can set a MAC address
 818  *
 819  * @param p_hwfn
 820  * @param mac
 821  *
 822  * @return bool
 823  */
 824 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac);
 825
 826 /**
 827  * @brief Set firmware version information in dev_info from VFs acquire response tlv
 828  *
 829  * @param p_hwfn
 830  * @param fw_major
 831  * @param fw_minor
 832  * @param fw_rev
 833  * @param fw_eng
 834  */
 835 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
 836                            u16 *fw_major, u16 *fw_minor,
 837                            u16 *fw_rev, u16 *fw_eng);
 838
 839 /**
 840  * @brief hw preparation for VF
 841  *      sends ACQUIRE message
 842  *
 843  * @param p_hwfn
 844  *
 845  * @return int
 846  */
 847 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn);
 848
 849 /**
 850  * @brief VF - start the RX Queue by sending a message to the PF
 851  * @param p_hwfn
 852  * @param p_cid                 - Only relative fields are relevant
 853  * @param bd_max_bytes          - maximum number of bytes per bd
 854  * @param bd_chain_phys_addr    - physical address of bd chain
 855  * @param cqe_pbl_addr          - physical address of pbl
 856  * @param cqe_pbl_size          - pbl size
 857  * @param pp_prod               - pointer to the producer to be
 858  *                                used in fastpath
 859  *
 860  * @return int
 861  */
 862 int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
 863                         struct qed_queue_cid *p_cid,
 864                         u16 bd_max_bytes,
 865                         dma_addr_t bd_chain_phys_addr,
 866                         dma_addr_t cqe_pbl_addr,
 867                         u16 cqe_pbl_size, void __iomem **pp_prod);
 868
 869 /**
 870  * @brief VF - start the TX queue by sending a message to the
 871  *        PF.
 872  *
 873  * @param p_hwfn
 874  * @param tx_queue_id           - zero based within the VF
 875  * @param sb                    - status block for this queue
 876  * @param sb_index              - index within the status block
 877  * @param bd_chain_phys_addr    - physical address of tx chain
 878  * @param pp_doorbell           - pointer to address to which to
 879  *                      write the doorbell too..
 880  *
 881  * @return int
 882  */
 883 int
 884 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
 885                     struct qed_queue_cid *p_cid,
 886                     dma_addr_t pbl_addr,
 887                     u16 pbl_size, void __iomem **pp_doorbell);
 888
 889 /**
 890  * @brief VF - stop the RX queue by sending a message to the PF
 891  *
 892  * @param p_hwfn
 893  * @param p_cid
 894  * @param cqe_completion
 895  *
 896  * @return int
 897  */
 898 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
 899                        struct qed_queue_cid *p_cid, bool cqe_completion);
 900
 901 /**
 902  * @brief VF - stop the TX queue by sending a message to the PF
 903  *
 904  * @param p_hwfn
 905  * @param tx_qid
 906  *
 907  * @return int
 908  */
 909 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid);
 910
 911 /**
 912  * @brief VF - send a vport update command
 913  *
 914  * @param p_hwfn
 915  * @param params
 916  *
 917  * @return int
 918  */
 919 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
 920                            struct qed_sp_vport_update_params *p_params);
 921
 922 /**
 923  *
 924  * @brief VF - send a close message to PF
 925  *
 926  * @param p_hwfn
 927  *
 928  * @return enum _qed_status
 929  */
 930 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn);
 931
 932 /**
 933  * @brief VF - free vf`s memories
 934  *
 935  * @param p_hwfn
 936  *
 937  * @return enum _qed_status
 938  */
 939 int qed_vf_pf_release(struct qed_hwfn *p_hwfn);
 940
 941 /**
 942  * @brief qed_vf_get_igu_sb_id - Get the IGU SB ID for a given
 943  *        sb_id. For VFs igu sbs don't have to be contiguous
 944  *
 945  * @param p_hwfn
 946  * @param sb_id
 947  *
 948  * @return INLINE u16
 949  */
 950 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id);
 951
 952 /**
 953  * @brief Stores [or removes] a configured sb_info.
 954  *
 955  * @param p_hwfn
 956  * @param sb_id - zero-based SB index [for fastpath]
 957  * @param sb_info - may be NULL [during removal].
 958  */
 959 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
 960                         u16 sb_id, struct qed_sb_info *p_sb);
 961
 962 /**
 963  * @brief qed_vf_pf_vport_start - perform vport start for VF.
 964  *
 965  * @param p_hwfn
 966  * @param vport_id
 967  * @param mtu
 968  * @param inner_vlan_removal
 969  * @param tpa_mode
 970  * @param max_buffers_per_cqe,
 971  * @param only_untagged - default behavior regarding vlan acceptance
 972  *
 973  * @return enum _qed_status
 974  */
 975 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
 976                           u8 vport_id,
 977                           u16 mtu,
 978                           u8 inner_vlan_removal,
 979                           enum qed_tpa_mode tpa_mode,
 980                           u8 max_buffers_per_cqe, u8 only_untagged);
 981
 982 /**
 983  * @brief qed_vf_pf_vport_stop - stop the VF's vport
 984  *
 985  * @param p_hwfn
 986  *
 987  * @return enum _qed_status
 988  */
 989 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn);
 990
 991 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
 992                            struct qed_filter_ucast *p_param);
 993
 994 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
 995                             struct qed_filter_mcast *p_filter_cmd);
 996
 997 /**
 998  * @brief qed_vf_pf_int_cleanup - clean the SB of the VF
 999  *
1000  * @param p_hwfn
1001  *
1002  * @return enum _qed_status
1003  */
1004 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn);
1005
1006 /**
1007  * @brief - return the link params in a given bulletin board
1008  *
1009  * @param p_hwfn
1010  * @param p_params - pointer to a struct to fill with link params
1011  * @param p_bulletin
1012  */
1013 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1014                               struct qed_mcp_link_params *p_params,
1015                               struct qed_bulletin_content *p_bulletin);
1016
1017 /**
1018  * @brief - return the link state in a given bulletin board
1019  *
1020  * @param p_hwfn
1021  * @param p_link - pointer to a struct to fill with link state
1022  * @param p_bulletin
1023  */
1024 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1025                              struct qed_mcp_link_state *p_link,
1026                              struct qed_bulletin_content *p_bulletin);
1027
1028 /**
1029  * @brief - return the link capabilities in a given bulletin board
1030  *
1031  * @param p_hwfn
1032  * @param p_link - pointer to a struct to fill with link capabilities
1033  * @param p_bulletin
1034  */
1035 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1036                             struct qed_mcp_link_capabilities *p_link_caps,
1037                             struct qed_bulletin_content *p_bulletin);
1038
1039 void qed_iov_vf_task(struct work_struct *work);
1040 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun);
1041 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
1042                                   struct qed_tunnel_info *p_tunn);
1043
1044 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id);
1045 #else
1046 static inline void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1047                                           struct qed_mcp_link_params *params)
1048 {
1049 }
1050
1051 static inline void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1052                                          struct qed_mcp_link_state *link)
1053 {
1054 }
1055
1056 static inline void
1057 qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1058                      struct qed_mcp_link_capabilities *p_link_caps)
1059 {
1060 }
1061
1062 static inline void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1063 {
1064 }
1065
1066 static inline void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1067 {
1068 }
1069
1070 static inline void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1071 {
1072 }
1073
1074 static inline void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1075 {
1076 }
1077
1078 static inline void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn,
1079                                                u8 *num_vlan_filters)
1080 {
1081 }
1082
1083 static inline void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn,
1084                                               u8 *num_mac_filters)
1085 {
1086 }
1087
1088 static inline bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1089 {
1090         return false;
1091 }
1092
1093 static inline void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1094                                          u16 *fw_major, u16 *fw_minor,
1095                                          u16 *fw_rev, u16 *fw_eng)
1096 {
1097 }
1098
1099 static inline int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
1100 {
1101         return -EINVAL;
1102 }
1103
1104 static inline int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
1105                                       struct qed_queue_cid *p_cid,
1106                                       u16 bd_max_bytes,
1107                                       dma_addr_t bd_chain_phys_adr,
1108                                       dma_addr_t cqe_pbl_addr,
1109                                       u16 cqe_pbl_size, void __iomem **pp_prod)
1110 {
1111         return -EINVAL;
1112 }
1113
1114 static inline int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
1115                                       struct qed_queue_cid *p_cid,
1116                                       dma_addr_t pbl_addr,
1117                                       u16 pbl_size, void __iomem **pp_doorbell)
1118 {
1119         return -EINVAL;
1120 }
1121
1122 static inline int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
1123                                      struct qed_queue_cid *p_cid,
1124                                      bool cqe_completion)
1125 {
1126         return -EINVAL;
1127 }
1128
1129 static inline int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn,
1130                                      struct qed_queue_cid *p_cid)
1131 {
1132         return -EINVAL;
1133 }
1134
1135 static inline int
1136 qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1137                        struct qed_sp_vport_update_params *p_params)
1138 {
1139         return -EINVAL;
1140 }
1141
1142 static inline int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1143 {
1144         return -EINVAL;
1145 }
1146
1147 static inline int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
1148 {
1149         return -EINVAL;
1150 }
1151
1152 static inline u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1153 {
1154         return 0;
1155 }
1156
1157 static inline void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, u16 sb_id,
1158                                       struct qed_sb_info *p_sb)
1159 {
1160 }
1161
1162 static inline int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
1163                                         u8 vport_id,
1164                                         u16 mtu,
1165                                         u8 inner_vlan_removal,
1166                                         enum qed_tpa_mode tpa_mode,
1167                                         u8 max_buffers_per_cqe,
1168                                         u8 only_untagged)
1169 {
1170         return -EINVAL;
1171 }
1172
1173 static inline int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
1174 {
1175         return -EINVAL;
1176 }
1177
1178 static inline int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1179                                          struct qed_filter_ucast *p_param)
1180 {
1181         return -EINVAL;
1182 }
1183
1184 static inline void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1185                                           struct qed_filter_mcast *p_filter_cmd)
1186 {
1187 }
1188
1189 static inline int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1190 {
1191         return -EINVAL;
1192 }
1193
1194 static inline void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1195                                             struct qed_mcp_link_params
1196                                             *p_params,
1197                                             struct qed_bulletin_content
1198                                             *p_bulletin)
1199 {
1200 }
1201
1202 static inline void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1203                                            struct qed_mcp_link_state *p_link,
1204                                            struct qed_bulletin_content
1205                                            *p_bulletin)
1206 {
1207 }
1208
1209 static inline void
1210 __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1211                        struct qed_mcp_link_capabilities *p_link_caps,
1212                        struct qed_bulletin_content *p_bulletin)
1213 {
1214 }
1215
1216 static inline void qed_iov_vf_task(struct work_struct *work)
1217 {
1218 }
1219
1220 static inline void
1221 qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
1222 {
1223 }
1224
1225 static inline int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
1226                                                 struct qed_tunnel_info *p_tunn)
1227 {
1228         return -EINVAL;
1229 }
1230
1231 static inline u32
1232 qed_vf_hw_bar_size(struct qed_hwfn  *p_hwfn,
1233                    enum BAR_ID bar_id)
1234 {
1235         return 0;
1236 }
1237 #endif
1238
1239 #endif