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

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. qed_db_addr
  2. qed_db_addr_vf
  3. qed_concrete_to_sw_fid

   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_H
  34 #define _QED_H
  35 
  36 #include <linux/types.h>
  37 #include <linux/io.h>
  38 #include <linux/delay.h>
  39 #include <linux/firmware.h>
  40 #include <linux/interrupt.h>
  41 #include <linux/list.h>
  42 #include <linux/mutex.h>
  43 #include <linux/pci.h>
  44 #include <linux/slab.h>
  45 #include <linux/string.h>
  46 #include <linux/workqueue.h>
  47 #include <linux/zlib.h>
  48 #include <linux/hashtable.h>
  49 #include <linux/qed/qed_if.h>
  50 #include "qed_debug.h"
  51 #include "qed_hsi.h"
  52 
  53 extern const struct qed_common_ops qed_common_ops_pass;
  54 
  55 #define QED_MAJOR_VERSION               8
  56 #define QED_MINOR_VERSION               37
  57 #define QED_REVISION_VERSION            0
  58 #define QED_ENGINEERING_VERSION         20
  59 
  60 #define QED_VERSION                                              \
  61         ((QED_MAJOR_VERSION << 24) | (QED_MINOR_VERSION << 16) | \
  62          (QED_REVISION_VERSION << 8) | QED_ENGINEERING_VERSION)
  63 
  64 #define STORM_FW_VERSION                                       \
  65         ((FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) | \
  66          (FW_REVISION_VERSION << 8) | FW_ENGINEERING_VERSION)
  67 
  68 #define MAX_HWFNS_PER_DEVICE    (4)
  69 #define NAME_SIZE 16
  70 #define VER_SIZE 16
  71 
  72 #define QED_WFQ_UNIT    100
  73 
  74 #define QED_WID_SIZE            (1024)
  75 #define QED_MIN_WIDS            (4)
  76 #define QED_PF_DEMS_SIZE        (4)
  77 
  78 /* cau states */
  79 enum qed_coalescing_mode {
  80         QED_COAL_MODE_DISABLE,
  81         QED_COAL_MODE_ENABLE
  82 };
  83 
  84 enum qed_nvm_cmd {
  85         QED_PUT_FILE_BEGIN = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN,
  86         QED_PUT_FILE_DATA = DRV_MSG_CODE_NVM_PUT_FILE_DATA,
  87         QED_NVM_WRITE_NVRAM = DRV_MSG_CODE_NVM_WRITE_NVRAM,
  88         QED_GET_MCP_NVM_RESP = 0xFFFFFF00
  89 };
  90 
  91 struct qed_eth_cb_ops;
  92 struct qed_dev_info;
  93 union qed_mcp_protocol_stats;
  94 enum qed_mcp_protocol_type;
  95 enum qed_mfw_tlv_type;
  96 union qed_mfw_tlv_data;
  97 
  98 /* helpers */
  99 #define QED_MFW_GET_FIELD(name, field) \
 100         (((name) & (field ## _MASK)) >> (field ## _SHIFT))
 101 
 102 #define QED_MFW_SET_FIELD(name, field, value)                                  \
 103         do {                                                                   \
 104                 (name)  &= ~(field ## _MASK);          \
 105                 (name)  |= (((value) << (field ## _SHIFT)) & (field ## _MASK));\
 106         } while (0)
 107 
 108 static inline u32 qed_db_addr(u32 cid, u32 DEMS)
 109 {
 110         u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
 111                       (cid * QED_PF_DEMS_SIZE);
 112 
 113         return db_addr;
 114 }
 115 
 116 static inline u32 qed_db_addr_vf(u32 cid, u32 DEMS)
 117 {
 118         u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
 119                       FIELD_VALUE(DB_LEGACY_ADDR_ICID, cid);
 120 
 121         return db_addr;
 122 }
 123 
 124 #define ALIGNED_TYPE_SIZE(type_name, p_hwfn)                                 \
 125         ((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
 126          ~((1 << (p_hwfn->cdev->cache_shift)) - 1))
 127 
 128 #define for_each_hwfn(cdev, i)  for (i = 0; i < cdev->num_hwfns; i++)
 129 
 130 #define D_TRINE(val, cond1, cond2, true1, true2, def) \
 131         (val == (cond1) ? true1 :                     \
 132          (val == (cond2) ? true2 : def))
 133 
 134 /* forward */
 135 struct qed_ptt_pool;
 136 struct qed_spq;
 137 struct qed_sb_info;
 138 struct qed_sb_attn_info;
 139 struct qed_cxt_mngr;
 140 struct qed_sb_sp_info;
 141 struct qed_ll2_info;
 142 struct qed_mcp_info;
 143 struct qed_llh_info;
 144 
 145 struct qed_rt_data {
 146         u32     *init_val;
 147         bool    *b_valid;
 148 };
 149 
 150 enum qed_tunn_mode {
 151         QED_MODE_L2GENEVE_TUNN,
 152         QED_MODE_IPGENEVE_TUNN,
 153         QED_MODE_L2GRE_TUNN,
 154         QED_MODE_IPGRE_TUNN,
 155         QED_MODE_VXLAN_TUNN,
 156 };
 157 
 158 enum qed_tunn_clss {
 159         QED_TUNN_CLSS_MAC_VLAN,
 160         QED_TUNN_CLSS_MAC_VNI,
 161         QED_TUNN_CLSS_INNER_MAC_VLAN,
 162         QED_TUNN_CLSS_INNER_MAC_VNI,
 163         QED_TUNN_CLSS_MAC_VLAN_DUAL_STAGE,
 164         MAX_QED_TUNN_CLSS,
 165 };
 166 
 167 struct qed_tunn_update_type {
 168         bool b_update_mode;
 169         bool b_mode_enabled;
 170         enum qed_tunn_clss tun_cls;
 171 };
 172 
 173 struct qed_tunn_update_udp_port {
 174         bool b_update_port;
 175         u16 port;
 176 };
 177 
 178 struct qed_tunnel_info {
 179         struct qed_tunn_update_type vxlan;
 180         struct qed_tunn_update_type l2_geneve;
 181         struct qed_tunn_update_type ip_geneve;
 182         struct qed_tunn_update_type l2_gre;
 183         struct qed_tunn_update_type ip_gre;
 184 
 185         struct qed_tunn_update_udp_port vxlan_port;
 186         struct qed_tunn_update_udp_port geneve_port;
 187 
 188         bool b_update_rx_cls;
 189         bool b_update_tx_cls;
 190 };
 191 
 192 struct qed_tunn_start_params {
 193         unsigned long   tunn_mode;
 194         u16             vxlan_udp_port;
 195         u16             geneve_udp_port;
 196         u8              update_vxlan_udp_port;
 197         u8              update_geneve_udp_port;
 198         u8              tunn_clss_vxlan;
 199         u8              tunn_clss_l2geneve;
 200         u8              tunn_clss_ipgeneve;
 201         u8              tunn_clss_l2gre;
 202         u8              tunn_clss_ipgre;
 203 };
 204 
 205 struct qed_tunn_update_params {
 206         unsigned long   tunn_mode_update_mask;
 207         unsigned long   tunn_mode;
 208         u16             vxlan_udp_port;
 209         u16             geneve_udp_port;
 210         u8              update_rx_pf_clss;
 211         u8              update_tx_pf_clss;
 212         u8              update_vxlan_udp_port;
 213         u8              update_geneve_udp_port;
 214         u8              tunn_clss_vxlan;
 215         u8              tunn_clss_l2geneve;
 216         u8              tunn_clss_ipgeneve;
 217         u8              tunn_clss_l2gre;
 218         u8              tunn_clss_ipgre;
 219 };
 220 
 221 /* The PCI personality is not quite synonymous to protocol ID:
 222  * 1. All personalities need CORE connections
 223  * 2. The Ethernet personality may support also the RoCE/iWARP protocol
 224  */
 225 enum qed_pci_personality {
 226         QED_PCI_ETH,
 227         QED_PCI_FCOE,
 228         QED_PCI_ISCSI,
 229         QED_PCI_ETH_ROCE,
 230         QED_PCI_ETH_IWARP,
 231         QED_PCI_ETH_RDMA,
 232         QED_PCI_DEFAULT, /* default in shmem */
 233 };
 234 
 235 /* All VFs are symmetric, all counters are PF + all VFs */
 236 struct qed_qm_iids {
 237         u32 cids;
 238         u32 vf_cids;
 239         u32 tids;
 240 };
 241 
 242 /* HW / FW resources, output of features supported below, most information
 243  * is received from MFW.
 244  */
 245 enum qed_resources {
 246         QED_SB,
 247         QED_L2_QUEUE,
 248         QED_VPORT,
 249         QED_RSS_ENG,
 250         QED_PQ,
 251         QED_RL,
 252         QED_MAC,
 253         QED_VLAN,
 254         QED_RDMA_CNQ_RAM,
 255         QED_ILT,
 256         QED_LL2_QUEUE,
 257         QED_CMDQS_CQS,
 258         QED_RDMA_STATS_QUEUE,
 259         QED_BDQ,
 260         QED_MAX_RESC,
 261 };
 262 
 263 enum QED_FEATURE {
 264         QED_PF_L2_QUE,
 265         QED_VF,
 266         QED_RDMA_CNQ,
 267         QED_ISCSI_CQ,
 268         QED_FCOE_CQ,
 269         QED_VF_L2_QUE,
 270         QED_MAX_FEATURES,
 271 };
 272 
 273 enum QED_PORT_MODE {
 274         QED_PORT_MODE_DE_2X40G,
 275         QED_PORT_MODE_DE_2X50G,
 276         QED_PORT_MODE_DE_1X100G,
 277         QED_PORT_MODE_DE_4X10G_F,
 278         QED_PORT_MODE_DE_4X10G_E,
 279         QED_PORT_MODE_DE_4X20G,
 280         QED_PORT_MODE_DE_1X40G,
 281         QED_PORT_MODE_DE_2X25G,
 282         QED_PORT_MODE_DE_1X25G,
 283         QED_PORT_MODE_DE_4X25G,
 284         QED_PORT_MODE_DE_2X10G,
 285 };
 286 
 287 enum qed_dev_cap {
 288         QED_DEV_CAP_ETH,
 289         QED_DEV_CAP_FCOE,
 290         QED_DEV_CAP_ISCSI,
 291         QED_DEV_CAP_ROCE,
 292         QED_DEV_CAP_IWARP,
 293 };
 294 
 295 enum qed_wol_support {
 296         QED_WOL_SUPPORT_NONE,
 297         QED_WOL_SUPPORT_PME,
 298 };
 299 
 300 enum qed_db_rec_exec {
 301         DB_REC_DRY_RUN,
 302         DB_REC_REAL_DEAL,
 303         DB_REC_ONCE,
 304 };
 305 
 306 struct qed_hw_info {
 307         /* PCI personality */
 308         enum qed_pci_personality personality;
 309 #define QED_IS_RDMA_PERSONALITY(dev)                        \
 310         ((dev)->hw_info.personality == QED_PCI_ETH_ROCE ||  \
 311          (dev)->hw_info.personality == QED_PCI_ETH_IWARP || \
 312          (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
 313 #define QED_IS_ROCE_PERSONALITY(dev)                       \
 314         ((dev)->hw_info.personality == QED_PCI_ETH_ROCE || \
 315          (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
 316 #define QED_IS_IWARP_PERSONALITY(dev)                       \
 317         ((dev)->hw_info.personality == QED_PCI_ETH_IWARP || \
 318          (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
 319 #define QED_IS_L2_PERSONALITY(dev)                    \
 320         ((dev)->hw_info.personality == QED_PCI_ETH || \
 321          QED_IS_RDMA_PERSONALITY(dev))
 322 #define QED_IS_FCOE_PERSONALITY(dev) \
 323         ((dev)->hw_info.personality == QED_PCI_FCOE)
 324 #define QED_IS_ISCSI_PERSONALITY(dev) \
 325         ((dev)->hw_info.personality == QED_PCI_ISCSI)
 326 
 327         /* Resource Allocation scheme results */
 328         u32                             resc_start[QED_MAX_RESC];
 329         u32                             resc_num[QED_MAX_RESC];
 330         u32                             feat_num[QED_MAX_FEATURES];
 331 
 332 #define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
 333 #define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
 334 #define RESC_END(_p_hwfn, resc) (RESC_START(_p_hwfn, resc) + \
 335                                  RESC_NUM(_p_hwfn, resc))
 336 #define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
 337 
 338         /* Amount of traffic classes HW supports */
 339         u8 num_hw_tc;
 340 
 341         /* Amount of TCs which should be active according to DCBx or upper
 342          * layer driver configuration.
 343          */
 344         u8 num_active_tc;
 345         u8                              offload_tc;
 346         bool                            offload_tc_set;
 347 
 348         bool                            multi_tc_roce_en;
 349 #define IS_QED_MULTI_TC_ROCE(p_hwfn) (((p_hwfn)->hw_info.multi_tc_roce_en))
 350 
 351         u32                             concrete_fid;
 352         u16                             opaque_fid;
 353         u16                             ovlan;
 354         u32                             part_num[4];
 355 
 356         unsigned char                   hw_mac_addr[ETH_ALEN];
 357         u64                             node_wwn;
 358         u64                             port_wwn;
 359 
 360         u16                             num_fcoe_conns;
 361 
 362         struct qed_igu_info             *p_igu_info;
 363 
 364         u32                             port_mode;
 365         u32                             hw_mode;
 366         unsigned long           device_capabilities;
 367         u16                             mtu;
 368 
 369         enum qed_wol_support b_wol_support;
 370 };
 371 
 372 /* maximun size of read/write commands (HW limit) */
 373 #define DMAE_MAX_RW_SIZE        0x2000
 374 
 375 struct qed_dmae_info {
 376         /* Mutex for synchronizing access to functions */
 377         struct mutex    mutex;
 378 
 379         u8              channel;
 380 
 381         dma_addr_t      completion_word_phys_addr;
 382 
 383         /* The memory location where the DMAE writes the completion
 384          * value when an operation is finished on this context.
 385          */
 386         u32             *p_completion_word;
 387 
 388         dma_addr_t      intermediate_buffer_phys_addr;
 389 
 390         /* An intermediate buffer for DMAE operations that use virtual
 391          * addresses - data is DMA'd to/from this buffer and then
 392          * memcpy'd to/from the virtual address
 393          */
 394         u32             *p_intermediate_buffer;
 395 
 396         dma_addr_t      dmae_cmd_phys_addr;
 397         struct dmae_cmd *p_dmae_cmd;
 398 };
 399 
 400 struct qed_wfq_data {
 401         /* when feature is configured for at least 1 vport */
 402         u32     min_speed;
 403         bool    configured;
 404 };
 405 
 406 struct qed_qm_info {
 407         struct init_qm_pq_params        *qm_pq_params;
 408         struct init_qm_vport_params     *qm_vport_params;
 409         struct init_qm_port_params      *qm_port_params;
 410         u16                             start_pq;
 411         u8                              start_vport;
 412         u16                              pure_lb_pq;
 413         u16                             first_ofld_pq;
 414         u16                             first_llt_pq;
 415         u16                             pure_ack_pq;
 416         u16                             ooo_pq;
 417         u16                             first_vf_pq;
 418         u16                             first_mcos_pq;
 419         u16                             first_rl_pq;
 420         u16                             num_pqs;
 421         u16                             num_vf_pqs;
 422         u8                              num_vports;
 423         u8                              max_phys_tcs_per_port;
 424         u8                              ooo_tc;
 425         bool                            pf_rl_en;
 426         bool                            pf_wfq_en;
 427         bool                            vport_rl_en;
 428         bool                            vport_wfq_en;
 429         u8                              pf_wfq;
 430         u32                             pf_rl;
 431         struct qed_wfq_data             *wfq_data;
 432         u8 num_pf_rls;
 433 };
 434 
 435 #define QED_OVERFLOW_BIT        1
 436 
 437 struct qed_db_recovery_info {
 438         struct list_head list;
 439 
 440         /* Lock to protect the doorbell recovery mechanism list */
 441         spinlock_t lock;
 442         bool dorq_attn;
 443         u32 db_recovery_counter;
 444         unsigned long overflow;
 445 };
 446 
 447 struct storm_stats {
 448         u32     address;
 449         u32     len;
 450 };
 451 
 452 struct qed_storm_stats {
 453         struct storm_stats mstats;
 454         struct storm_stats pstats;
 455         struct storm_stats tstats;
 456         struct storm_stats ustats;
 457 };
 458 
 459 struct qed_fw_data {
 460         struct fw_ver_info      *fw_ver_info;
 461         const u8                *modes_tree_buf;
 462         union init_op           *init_ops;
 463         const u32               *arr_data;
 464         u32                     init_ops_size;
 465 };
 466 
 467 enum qed_mf_mode_bit {
 468         /* Supports PF-classification based on tag */
 469         QED_MF_OVLAN_CLSS,
 470 
 471         /* Supports PF-classification based on MAC */
 472         QED_MF_LLH_MAC_CLSS,
 473 
 474         /* Supports PF-classification based on protocol type */
 475         QED_MF_LLH_PROTO_CLSS,
 476 
 477         /* Requires a default PF to be set */
 478         QED_MF_NEED_DEF_PF,
 479 
 480         /* Allow LL2 to multicast/broadcast */
 481         QED_MF_LL2_NON_UNICAST,
 482 
 483         /* Allow Cross-PF [& child VFs] Tx-switching */
 484         QED_MF_INTER_PF_SWITCH,
 485 
 486         /* Unified Fabtic Port support enabled */
 487         QED_MF_UFP_SPECIFIC,
 488 
 489         /* Disable Accelerated Receive Flow Steering (aRFS) */
 490         QED_MF_DISABLE_ARFS,
 491 
 492         /* Use vlan for steering */
 493         QED_MF_8021Q_TAGGING,
 494 
 495         /* Use stag for steering */
 496         QED_MF_8021AD_TAGGING,
 497 
 498         /* Allow DSCP to TC mapping */
 499         QED_MF_DSCP_TO_TC_MAP,
 500 
 501         /* Do not insert a vlan tag with id 0 */
 502         QED_MF_DONT_ADD_VLAN0_TAG,
 503 };
 504 
 505 enum qed_ufp_mode {
 506         QED_UFP_MODE_ETS,
 507         QED_UFP_MODE_VNIC_BW,
 508         QED_UFP_MODE_UNKNOWN
 509 };
 510 
 511 enum qed_ufp_pri_type {
 512         QED_UFP_PRI_OS,
 513         QED_UFP_PRI_VNIC,
 514         QED_UFP_PRI_UNKNOWN
 515 };
 516 
 517 struct qed_ufp_info {
 518         enum qed_ufp_pri_type pri_type;
 519         enum qed_ufp_mode mode;
 520         u8 tc;
 521 };
 522 
 523 enum BAR_ID {
 524         BAR_ID_0,               /* used for GRC */
 525         BAR_ID_1                /* Used for doorbells */
 526 };
 527 
 528 struct qed_nvm_image_info {
 529         u32 num_images;
 530         struct bist_nvm_image_att *image_att;
 531         bool valid;
 532 };
 533 
 534 #define DRV_MODULE_VERSION                    \
 535         __stringify(QED_MAJOR_VERSION) "."    \
 536         __stringify(QED_MINOR_VERSION) "."    \
 537         __stringify(QED_REVISION_VERSION) "." \
 538         __stringify(QED_ENGINEERING_VERSION)
 539 
 540 struct qed_simd_fp_handler {
 541         void    *token;
 542         void    (*func)(void *);
 543 };
 544 
 545 enum qed_slowpath_wq_flag {
 546         QED_SLOWPATH_MFW_TLV_REQ,
 547         QED_SLOWPATH_PERIODIC_DB_REC,
 548 };
 549 
 550 struct qed_hwfn {
 551         struct qed_dev                  *cdev;
 552         u8                              my_id;          /* ID inside the PF */
 553 #define IS_LEAD_HWFN(edev)              (!((edev)->my_id))
 554         u8                              rel_pf_id;      /* Relative to engine*/
 555         u8                              abs_pf_id;
 556 #define QED_PATH_ID(_p_hwfn) \
 557         (QED_IS_K2((_p_hwfn)->cdev) ? 0 : ((_p_hwfn)->abs_pf_id & 1))
 558         u8                              port_id;
 559         bool                            b_active;
 560 
 561         u32                             dp_module;
 562         u8                              dp_level;
 563         char                            name[NAME_SIZE];
 564 
 565         bool                            hw_init_done;
 566 
 567         u8                              num_funcs_on_engine;
 568         u8 enabled_func_idx;
 569 
 570         /* BAR access */
 571         void __iomem                    *regview;
 572         void __iomem                    *doorbells;
 573         u64                             db_phys_addr;
 574         unsigned long                   db_size;
 575 
 576         /* PTT pool */
 577         struct qed_ptt_pool             *p_ptt_pool;
 578 
 579         /* HW info */
 580         struct qed_hw_info              hw_info;
 581 
 582         /* rt_array (for init-tool) */
 583         struct qed_rt_data              rt_data;
 584 
 585         /* SPQ */
 586         struct qed_spq                  *p_spq;
 587 
 588         /* EQ */
 589         struct qed_eq                   *p_eq;
 590 
 591         /* Consolidate Q*/
 592         struct qed_consq                *p_consq;
 593 
 594         /* Slow-Path definitions */
 595         struct tasklet_struct           *sp_dpc;
 596         bool                            b_sp_dpc_enabled;
 597 
 598         struct qed_ptt                  *p_main_ptt;
 599         struct qed_ptt                  *p_dpc_ptt;
 600 
 601         /* PTP will be used only by the leading function.
 602          * Usage of all PTP-apis should be synchronized as result.
 603          */
 604         struct qed_ptt *p_ptp_ptt;
 605 
 606         struct qed_sb_sp_info           *p_sp_sb;
 607         struct qed_sb_attn_info         *p_sb_attn;
 608 
 609         /* Protocol related */
 610         bool                            using_ll2;
 611         struct qed_ll2_info             *p_ll2_info;
 612         struct qed_ooo_info             *p_ooo_info;
 613         struct qed_rdma_info            *p_rdma_info;
 614         struct qed_iscsi_info           *p_iscsi_info;
 615         struct qed_fcoe_info            *p_fcoe_info;
 616         struct qed_pf_params            pf_params;
 617 
 618         bool b_rdma_enabled_in_prs;
 619         u32 rdma_prs_search_reg;
 620 
 621         struct qed_cxt_mngr             *p_cxt_mngr;
 622 
 623         /* Flag indicating whether interrupts are enabled or not*/
 624         bool                            b_int_enabled;
 625         bool                            b_int_requested;
 626 
 627         /* True if the driver requests for the link */
 628         bool                            b_drv_link_init;
 629 
 630         struct qed_vf_iov               *vf_iov_info;
 631         struct qed_pf_iov               *pf_iov_info;
 632         struct qed_mcp_info             *mcp_info;
 633 
 634         struct qed_dcbx_info            *p_dcbx_info;
 635 
 636         struct qed_ufp_info             ufp_info;
 637 
 638         struct qed_dmae_info            dmae_info;
 639 
 640         /* QM init */
 641         struct qed_qm_info              qm_info;
 642         struct qed_storm_stats          storm_stats;
 643 
 644         /* Buffer for unzipping firmware data */
 645         void                            *unzip_buf;
 646 
 647         struct dbg_tools_data           dbg_info;
 648         void                            *dbg_user_info;
 649 
 650         /* PWM region specific data */
 651         u16                             wid_count;
 652         u32                             dpi_size;
 653         u32                             dpi_count;
 654 
 655         /* This is used to calculate the doorbell address */
 656         u32 dpi_start_offset;
 657 
 658         /* If one of the following is set then EDPM shouldn't be used */
 659         u8 dcbx_no_edpm;
 660         u8 db_bar_no_edpm;
 661 
 662         /* L2-related */
 663         struct qed_l2_info *p_l2_info;
 664 
 665         /* Mechanism for recovering from doorbell drop */
 666         struct qed_db_recovery_info db_recovery_info;
 667 
 668         /* Nvm images number and attributes */
 669         struct qed_nvm_image_info nvm_info;
 670 
 671         struct qed_ptt *p_arfs_ptt;
 672 
 673         struct qed_simd_fp_handler      simd_proto_handler[64];
 674 
 675 #ifdef CONFIG_QED_SRIOV
 676         struct workqueue_struct *iov_wq;
 677         struct delayed_work iov_task;
 678         unsigned long iov_task_flags;
 679 #endif
 680         struct z_stream_s *stream;
 681         bool slowpath_wq_active;
 682         struct workqueue_struct *slowpath_wq;
 683         struct delayed_work slowpath_task;
 684         unsigned long slowpath_task_flags;
 685         u32 periodic_db_rec_count;
 686 };
 687 
 688 struct pci_params {
 689         int             pm_cap;
 690 
 691         unsigned long   mem_start;
 692         unsigned long   mem_end;
 693         unsigned int    irq;
 694         u8              pf_num;
 695 };
 696 
 697 struct qed_int_param {
 698         u32     int_mode;
 699         u8      num_vectors;
 700         u8      min_msix_cnt; /* for minimal functionality */
 701 };
 702 
 703 struct qed_int_params {
 704         struct qed_int_param    in;
 705         struct qed_int_param    out;
 706         struct msix_entry       *msix_table;
 707         bool                    fp_initialized;
 708         u8                      fp_msix_base;
 709         u8                      fp_msix_cnt;
 710         u8                      rdma_msix_base;
 711         u8                      rdma_msix_cnt;
 712 };
 713 
 714 struct qed_dbg_feature {
 715         struct dentry *dentry;
 716         u8 *dump_buf;
 717         u32 buf_size;
 718         u32 dumped_dwords;
 719 };
 720 
 721 struct qed_dbg_params {
 722         struct qed_dbg_feature features[DBG_FEATURE_NUM];
 723         u8 engine_for_debug;
 724         bool print_data;
 725 };
 726 
 727 struct qed_dev {
 728         u32     dp_module;
 729         u8      dp_level;
 730         char    name[NAME_SIZE];
 731 
 732         enum    qed_dev_type type;
 733 /* Translate type/revision combo into the proper conditions */
 734 #define QED_IS_BB(dev)  ((dev)->type == QED_DEV_TYPE_BB)
 735 #define QED_IS_BB_B0(dev)       (QED_IS_BB(dev) && \
 736                                  CHIP_REV_IS_B0(dev))
 737 #define QED_IS_AH(dev)  ((dev)->type == QED_DEV_TYPE_AH)
 738 #define QED_IS_K2(dev)  QED_IS_AH(dev)
 739 
 740         u16     vendor_id;
 741         u16     device_id;
 742 #define QED_DEV_ID_MASK         0xff00
 743 #define QED_DEV_ID_MASK_BB      0x1600
 744 #define QED_DEV_ID_MASK_AH      0x8000
 745 #define QED_IS_E4(dev)  (QED_IS_BB(dev) || QED_IS_AH(dev))
 746 
 747         u16     chip_num;
 748 #define CHIP_NUM_MASK                   0xffff
 749 #define CHIP_NUM_SHIFT                  16
 750 
 751         u16     chip_rev;
 752 #define CHIP_REV_MASK                   0xf
 753 #define CHIP_REV_SHIFT                  12
 754 #define CHIP_REV_IS_B0(_cdev)   ((_cdev)->chip_rev == 1)
 755 
 756         u16                             chip_metal;
 757 #define CHIP_METAL_MASK                 0xff
 758 #define CHIP_METAL_SHIFT                4
 759 
 760         u16                             chip_bond_id;
 761 #define CHIP_BOND_ID_MASK               0xf
 762 #define CHIP_BOND_ID_SHIFT              0
 763 
 764         u8                              num_engines;
 765         u8                              num_ports;
 766         u8                              num_ports_in_engine;
 767         u8                              num_funcs_in_port;
 768 
 769         u8                              path_id;
 770 
 771         unsigned long                   mf_bits;
 772 
 773         int                             pcie_width;
 774         int                             pcie_speed;
 775 
 776         /* Add MF related configuration */
 777         u8                              mcp_rev;
 778         u8                              boot_mode;
 779 
 780         /* WoL related configurations */
 781         u8 wol_config;
 782         u8 wol_mac[ETH_ALEN];
 783 
 784         u32                             int_mode;
 785         enum qed_coalescing_mode        int_coalescing_mode;
 786         u16                             rx_coalesce_usecs;
 787         u16                             tx_coalesce_usecs;
 788 
 789         /* Start Bar offset of first hwfn */
 790         void __iomem                    *regview;
 791         void __iomem                    *doorbells;
 792         u64                             db_phys_addr;
 793         unsigned long                   db_size;
 794 
 795         /* PCI */
 796         u8                              cache_shift;
 797 
 798         /* Init */
 799         const struct iro                *iro_arr;
 800 #define IRO (p_hwfn->cdev->iro_arr)
 801 
 802         /* HW functions */
 803         u8                              num_hwfns;
 804         struct qed_hwfn                 hwfns[MAX_HWFNS_PER_DEVICE];
 805 
 806         /* Engine affinity */
 807         u8                              l2_affin_hint;
 808         u8                              fir_affin;
 809         u8                              iwarp_affin;
 810 
 811         /* SRIOV */
 812         struct qed_hw_sriov_info *p_iov_info;
 813 #define IS_QED_SRIOV(cdev)              (!!(cdev)->p_iov_info)
 814         struct qed_tunnel_info          tunnel;
 815         bool                            b_is_vf;
 816         u32                             drv_type;
 817         struct qed_eth_stats            *reset_stats;
 818         struct qed_fw_data              *fw_data;
 819 
 820         u32                             mcp_nvm_resp;
 821 
 822         /* Recovery */
 823         bool recov_in_prog;
 824 
 825         /* LLH info */
 826         u8 ppfid_bitmap;
 827         struct qed_llh_info *p_llh_info;
 828 
 829         /* Linux specific here */
 830         struct  qede_dev                *edev;
 831         struct  pci_dev                 *pdev;
 832         u32 flags;
 833 #define QED_FLAG_STORAGE_STARTED        (BIT(0))
 834         int                             msg_enable;
 835 
 836         struct pci_params               pci_params;
 837 
 838         struct qed_int_params           int_params;
 839 
 840         u8                              protocol;
 841 #define IS_QED_ETH_IF(cdev)     ((cdev)->protocol == QED_PROTOCOL_ETH)
 842 #define IS_QED_FCOE_IF(cdev)    ((cdev)->protocol == QED_PROTOCOL_FCOE)
 843 
 844         /* Callbacks to protocol driver */
 845         union {
 846                 struct qed_common_cb_ops        *common;
 847                 struct qed_eth_cb_ops           *eth;
 848                 struct qed_fcoe_cb_ops          *fcoe;
 849                 struct qed_iscsi_cb_ops         *iscsi;
 850         } protocol_ops;
 851         void                            *ops_cookie;
 852 
 853         struct qed_dbg_params           dbg_params;
 854 
 855 #ifdef CONFIG_QED_LL2
 856         struct qed_cb_ll2_info          *ll2;
 857         u8                              ll2_mac_address[ETH_ALEN];
 858 #endif
 859         DECLARE_HASHTABLE(connections, 10);
 860         const struct firmware           *firmware;
 861 
 862         u32 rdma_max_sge;
 863         u32 rdma_max_inline;
 864         u32 rdma_max_srq_sge;
 865         u16 tunn_feature_mask;
 866 
 867         struct devlink                  *dl;
 868         bool                            iwarp_cmt;
 869 };
 870 
 871 #define NUM_OF_VFS(dev)         (QED_IS_BB(dev) ? MAX_NUM_VFS_BB \
 872                                                 : MAX_NUM_VFS_K2)
 873 #define NUM_OF_L2_QUEUES(dev)   (QED_IS_BB(dev) ? MAX_NUM_L2_QUEUES_BB \
 874                                                 : MAX_NUM_L2_QUEUES_K2)
 875 #define NUM_OF_PORTS(dev)       (QED_IS_BB(dev) ? MAX_NUM_PORTS_BB \
 876                                                 : MAX_NUM_PORTS_K2)
 877 #define NUM_OF_SBS(dev)         (QED_IS_BB(dev) ? MAX_SB_PER_PATH_BB \
 878                                                 : MAX_SB_PER_PATH_K2)
 879 #define NUM_OF_ENG_PFS(dev)     (QED_IS_BB(dev) ? MAX_NUM_PFS_BB \
 880                                                 : MAX_NUM_PFS_K2)
 881 
 882 /**
 883  * @brief qed_concrete_to_sw_fid - get the sw function id from
 884  *        the concrete value.
 885  *
 886  * @param concrete_fid
 887  *
 888  * @return inline u8
 889  */
 890 static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
 891                                         u32 concrete_fid)
 892 {
 893         u8 vfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFID);
 894         u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
 895         u8 vf_valid = GET_FIELD(concrete_fid,
 896                                 PXP_CONCRETE_FID_VFVALID);
 897         u8 sw_fid;
 898 
 899         if (vf_valid)
 900                 sw_fid = vfid + MAX_NUM_PFS;
 901         else
 902                 sw_fid = pfid;
 903 
 904         return sw_fid;
 905 }
 906 
 907 #define PKT_LB_TC       9
 908 #define MAX_NUM_VOQS_E4 20
 909 
 910 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate);
 911 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
 912                                          struct qed_ptt *p_ptt,
 913                                          u32 min_pf_rate);
 914 
 915 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
 916 int qed_device_num_engines(struct qed_dev *cdev);
 917 void qed_set_fw_mac_addr(__le16 *fw_msb,
 918                          __le16 *fw_mid, __le16 *fw_lsb, u8 *mac);
 919 
 920 #define QED_LEADING_HWFN(dev)   (&dev->hwfns[0])
 921 #define QED_IS_CMT(dev)         ((dev)->num_hwfns > 1)
 922 /* Macros for getting the engine-affinitized hwfn (FIR: fcoe,iscsi,roce) */
 923 #define QED_FIR_AFFIN_HWFN(dev)         (&(dev)->hwfns[dev->fir_affin])
 924 #define QED_IWARP_AFFIN_HWFN(dev)       (&(dev)->hwfns[dev->iwarp_affin])
 925 #define QED_AFFIN_HWFN(dev)                                \
 926         (QED_IS_IWARP_PERSONALITY(QED_LEADING_HWFN(dev)) ? \
 927          QED_IWARP_AFFIN_HWFN(dev) : QED_FIR_AFFIN_HWFN(dev))
 928 #define QED_AFFIN_HWFN_IDX(dev) (IS_LEAD_HWFN(QED_AFFIN_HWFN(dev)) ? 0 : 1)
 929 
 930 /* Flags for indication of required queues */
 931 #define PQ_FLAGS_RLS    (BIT(0))
 932 #define PQ_FLAGS_MCOS   (BIT(1))
 933 #define PQ_FLAGS_LB     (BIT(2))
 934 #define PQ_FLAGS_OOO    (BIT(3))
 935 #define PQ_FLAGS_ACK    (BIT(4))
 936 #define PQ_FLAGS_OFLD   (BIT(5))
 937 #define PQ_FLAGS_VFS    (BIT(6))
 938 #define PQ_FLAGS_LLT    (BIT(7))
 939 #define PQ_FLAGS_MTC    (BIT(8))
 940 
 941 /* physical queue index for cm context intialization */
 942 u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags);
 943 u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc);
 944 u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf);
 945 u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc);
 946 u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc);
 947 
 948 /* doorbell recovery mechanism */
 949 void qed_db_recovery_dp(struct qed_hwfn *p_hwfn);
 950 void qed_db_recovery_execute(struct qed_hwfn *p_hwfn);
 951 bool qed_edpm_enabled(struct qed_hwfn *p_hwfn);
 952 
 953 /* Other Linux specific common definitions */
 954 #define DP_NAME(cdev) ((cdev)->name)
 955 
 956 #define REG_ADDR(cdev, offset)          (void __iomem *)((u8 __iomem *)\
 957                                                 (cdev->regview) + \
 958                                                          (offset))
 959 
 960 #define REG_RD(cdev, offset)            readl(REG_ADDR(cdev, offset))
 961 #define REG_WR(cdev, offset, val)       writel((u32)val, REG_ADDR(cdev, offset))
 962 #define REG_WR16(cdev, offset, val)     writew((u16)val, REG_ADDR(cdev, offset))
 963 
 964 #define DOORBELL(cdev, db_addr, val)                     \
 965         writel((u32)val, (void __iomem *)((u8 __iomem *)\
 966                                           (cdev->doorbells) + (db_addr)))
 967 
 968 #define MFW_PORT(_p_hwfn)       ((_p_hwfn)->abs_pf_id %                   \
 969                                   qed_device_num_ports((_p_hwfn)->cdev))
 970 int qed_device_num_ports(struct qed_dev *cdev);
 971 
 972 /* Prototypes */
 973 int qed_fill_dev_info(struct qed_dev *cdev,
 974                       struct qed_dev_info *dev_info);
 975 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt);
 976 u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
 977                    u32 input_len, u8 *input_buf,
 978                    u32 max_size, u8 *unzip_buf);
 979 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn);
 980 void qed_get_protocol_stats(struct qed_dev *cdev,
 981                             enum qed_mcp_protocol_type type,
 982                             union qed_mcp_protocol_stats *stats);
 983 int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
 984 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn);
 985 int qed_mfw_tlv_req(struct qed_hwfn *hwfn);
 986 
 987 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn,
 988                           enum qed_mfw_tlv_type type,
 989                           union qed_mfw_tlv_data *tlv_data);
 990 
 991 void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc);
 992 
 993 void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn);
 994 #endif /* _QED_H */

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