1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Marvell RVU Admin Function driver 3 * 4 * Copyright (C) 2018 Marvell. 5 * 6 */ 7 8 #ifndef RVU_H 9 #define RVU_H 10 11 #include <linux/pci.h> 12 #include <net/devlink.h> 13 14 #include "rvu_struct.h" 15 #include "rvu_devlink.h" 16 #include "common.h" 17 #include "mbox.h" 18 #include "npc.h" 19 #include "rvu_reg.h" 20 #include "ptp.h" 21 22 /* PCI device IDs */ 23 #define PCI_DEVID_OCTEONTX2_RVU_AF 0xA065 24 #define PCI_DEVID_OCTEONTX2_LBK 0xA061 25 26 /* Subsystem Device ID */ 27 #define PCI_SUBSYS_DEVID_98XX 0xB100 28 #define PCI_SUBSYS_DEVID_96XX 0xB200 29 #define PCI_SUBSYS_DEVID_CN10K_A 0xB900 30 #define PCI_SUBSYS_DEVID_CNF10K_A 0xBA00 31 #define PCI_SUBSYS_DEVID_CNF10K_B 0xBC00 32 #define PCI_SUBSYS_DEVID_CN10K_B 0xBD00 33 34 /* PCI BAR nos */ 35 #define PCI_AF_REG_BAR_NUM 0 36 #define PCI_PF_REG_BAR_NUM 2 37 #define PCI_MBOX_BAR_NUM 4 38 39 #define NAME_SIZE 32 40 #define MAX_NIX_BLKS 2 41 #define MAX_CPT_BLKS 2 42 43 /* PF_FUNC */ 44 #define RVU_PFVF_PF_SHIFT 10 45 #define RVU_PFVF_PF_MASK 0x3F 46 #define RVU_PFVF_FUNC_SHIFT 0 47 #define RVU_PFVF_FUNC_MASK 0x3FF 48 49 #ifdef CONFIG_DEBUG_FS 50 struct dump_ctx { 51 int lf; 52 int id; 53 bool all; 54 }; 55 56 struct cpt_ctx { 57 int blkaddr; 58 struct rvu *rvu; 59 }; 60 61 struct rvu_debugfs { 62 struct dentry *root; 63 struct dentry *cgx_root; 64 struct dentry *cgx; 65 struct dentry *lmac; 66 struct dentry *npa; 67 struct dentry *nix; 68 struct dentry *npc; 69 struct dentry *cpt; 70 struct dentry *mcs_root; 71 struct dentry *mcs; 72 struct dentry *mcs_rx; 73 struct dentry *mcs_tx; 74 struct dump_ctx npa_aura_ctx; 75 struct dump_ctx npa_pool_ctx; 76 struct dump_ctx nix_cq_ctx; 77 struct dump_ctx nix_rq_ctx; 78 struct dump_ctx nix_sq_ctx; 79 struct cpt_ctx cpt_ctx[MAX_CPT_BLKS]; 80 int npa_qsize_id; 81 int nix_qsize_id; 82 }; 83 #endif 84 85 struct rvu_work { 86 struct work_struct work; 87 struct rvu *rvu; 88 int num_msgs; 89 int up_num_msgs; 90 }; 91 92 struct rsrc_bmap { 93 unsigned long *bmap; /* Pointer to resource bitmap */ 94 u16 max; /* Max resource id or count */ 95 }; 96 97 struct rvu_block { 98 struct rsrc_bmap lf; 99 struct admin_queue *aq; /* NIX/NPA AQ */ 100 u16 *fn_map; /* LF to pcifunc mapping */ 101 bool multislot; 102 bool implemented; 103 u8 addr; /* RVU_BLOCK_ADDR_E */ 104 u8 type; /* RVU_BLOCK_TYPE_E */ 105 u8 lfshift; 106 u64 lookup_reg; 107 u64 pf_lfcnt_reg; 108 u64 vf_lfcnt_reg; 109 u64 lfcfg_reg; 110 u64 msixcfg_reg; 111 u64 lfreset_reg; 112 unsigned char name[NAME_SIZE]; 113 struct rvu *rvu; 114 u64 cpt_flt_eng_map[3]; 115 u64 cpt_rcvrd_eng_map[3]; 116 }; 117 118 struct nix_mcast { 119 struct qmem *mce_ctx; 120 struct qmem *mcast_buf; 121 int replay_pkind; 122 struct rsrc_bmap mce_counter[2]; 123 /* Counters for both ingress and egress mcast lists */ 124 struct mutex mce_lock; /* Serialize MCE updates */ 125 }; 126 127 struct nix_mce_list { 128 struct hlist_head head; 129 int count; 130 int max; 131 }; 132 133 struct nix_mcast_grp_elem { 134 struct nix_mce_list mcast_mce_list; 135 u32 mcast_grp_idx; 136 u32 pcifunc; 137 int mcam_index; 138 int mce_start_index; 139 struct list_head list; 140 u8 dir; 141 }; 142 143 struct nix_mcast_grp { 144 struct list_head mcast_grp_head; 145 int count; 146 int next_grp_index; 147 struct mutex mcast_grp_lock; /* Serialize MCE updates */ 148 }; 149 150 /* layer metadata to uniquely identify a packet header field */ 151 struct npc_layer_mdata { 152 u8 lid; 153 u8 ltype; 154 u8 hdr; 155 u8 key; 156 u8 len; 157 }; 158 159 /* Structure to represent a field present in the 160 * generated key. A key field may present anywhere and can 161 * be of any size in the generated key. Once this structure 162 * is populated for fields of interest then field's presence 163 * and location (if present) can be known. 164 */ 165 struct npc_key_field { 166 /* Masks where all set bits indicate position 167 * of a field in the key 168 */ 169 u64 kw_mask[NPC_MAX_KWS_IN_KEY]; 170 /* Number of words in the key a field spans. If a field is 171 * of 16 bytes and key offset is 4 then the field will use 172 * 4 bytes in KW0, 8 bytes in KW1 and 4 bytes in KW2 and 173 * nr_kws will be 3(KW0, KW1 and KW2). 174 */ 175 int nr_kws; 176 /* used by packet header fields */ 177 struct npc_layer_mdata layer_mdata; 178 }; 179 180 struct npc_mcam { 181 struct rsrc_bmap counters; 182 struct mutex lock; /* MCAM entries and counters update lock */ 183 unsigned long *bmap; /* bitmap, 0 => bmap_entries */ 184 unsigned long *bmap_reverse; /* Reverse bitmap, bmap_entries => 0 */ 185 u16 bmap_entries; /* Number of unreserved MCAM entries */ 186 u16 bmap_fcnt; /* MCAM entries free count */ 187 u16 *entry2pfvf_map; 188 u16 *entry2cntr_map; 189 u16 *cntr2pfvf_map; 190 u16 *cntr_refcnt; 191 u16 *entry2target_pffunc; 192 u8 keysize; /* MCAM keysize 112/224/448 bits */ 193 u8 banks; /* Number of MCAM banks */ 194 u8 banks_per_entry;/* Number of keywords in key */ 195 u16 banksize; /* Number of MCAM entries in each bank */ 196 u16 total_entries; /* Total number of MCAM entries */ 197 u16 nixlf_offset; /* Offset of nixlf rsvd uncast entries */ 198 u16 pf_offset; /* Offset of PF's rsvd bcast, promisc entries */ 199 u16 lprio_count; 200 u16 lprio_start; 201 u16 hprio_count; 202 u16 hprio_end; 203 u16 rx_miss_act_cntr; /* Counter for RX MISS action */ 204 /* fields present in the generated key */ 205 struct npc_key_field tx_key_fields[NPC_KEY_FIELDS_MAX]; 206 struct npc_key_field rx_key_fields[NPC_KEY_FIELDS_MAX]; 207 u64 tx_features; 208 u64 rx_features; 209 struct list_head mcam_rules; 210 }; 211 212 /* Structure for per RVU func info ie PF/VF */ 213 struct rvu_pfvf { 214 bool npalf; /* Only one NPALF per RVU_FUNC */ 215 bool nixlf; /* Only one NIXLF per RVU_FUNC */ 216 u16 sso; 217 u16 ssow; 218 u16 cptlfs; 219 u16 timlfs; 220 u16 cpt1_lfs; 221 u8 cgx_lmac; 222 223 /* Block LF's MSIX vector info */ 224 struct rsrc_bmap msix; /* Bitmap for MSIX vector alloc */ 225 #define MSIX_BLKLF(blkaddr, lf) (((blkaddr) << 8) | ((lf) & 0xFF)) 226 u16 *msix_lfmap; /* Vector to block LF mapping */ 227 228 /* NPA contexts */ 229 struct qmem *aura_ctx; 230 struct qmem *pool_ctx; 231 struct qmem *npa_qints_ctx; 232 unsigned long *aura_bmap; 233 unsigned long *pool_bmap; 234 235 /* NIX contexts */ 236 struct qmem *rq_ctx; 237 struct qmem *sq_ctx; 238 struct qmem *cq_ctx; 239 struct qmem *rss_ctx; 240 struct qmem *cq_ints_ctx; 241 struct qmem *nix_qints_ctx; 242 unsigned long *sq_bmap; 243 unsigned long *rq_bmap; 244 unsigned long *cq_bmap; 245 246 u16 rx_chan_base; 247 u16 tx_chan_base; 248 u8 rx_chan_cnt; /* total number of RX channels */ 249 u8 tx_chan_cnt; /* total number of TX channels */ 250 u16 maxlen; 251 u16 minlen; 252 253 bool hw_rx_tstamp_en; /* Is rx_tstamp enabled */ 254 u8 mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */ 255 u8 default_mac[ETH_ALEN]; /* MAC address from FWdata */ 256 257 /* Broadcast/Multicast/Promisc pkt replication info */ 258 u16 bcast_mce_idx; 259 u16 mcast_mce_idx; 260 u16 promisc_mce_idx; 261 struct nix_mce_list bcast_mce_list; 262 struct nix_mce_list mcast_mce_list; 263 struct nix_mce_list promisc_mce_list; 264 bool use_mce_list; 265 266 struct rvu_npc_mcam_rule *def_ucast_rule; 267 268 bool cgx_in_use; /* this PF/VF using CGX? */ 269 int cgx_users; /* number of cgx users - used only by PFs */ 270 271 int intf_mode; 272 u8 nix_blkaddr; /* BLKADDR_NIX0/1 assigned to this PF */ 273 u8 nix_rx_intf; /* NIX0_RX/NIX1_RX interface to NPC */ 274 u8 nix_tx_intf; /* NIX0_TX/NIX1_TX interface to NPC */ 275 u8 lbkid; /* NIX0/1 lbk link ID */ 276 u64 lmt_base_addr; /* Preseving the pcifunc's lmtst base addr*/ 277 u64 lmt_map_ent_w1; /* Preseving the word1 of lmtst map table entry*/ 278 unsigned long flags; 279 struct sdp_node_info *sdp_info; 280 }; 281 282 enum rvu_pfvf_flags { 283 NIXLF_INITIALIZED = 0, 284 PF_SET_VF_MAC, 285 PF_SET_VF_CFG, 286 PF_SET_VF_TRUSTED, 287 }; 288 289 #define RVU_CLEAR_VF_PERM ~GENMASK(PF_SET_VF_TRUSTED, PF_SET_VF_MAC) 290 291 struct nix_bp { 292 struct rsrc_bmap bpids; /* free bpids bitmap */ 293 u16 cgx_bpid_cnt; 294 u16 sdp_bpid_cnt; 295 u16 free_pool_base; 296 u16 *fn_map; /* pcifunc mapping */ 297 u8 *intf_map; /* interface type map */ 298 u8 *ref_cnt; 299 }; 300 301 struct nix_txsch { 302 struct rsrc_bmap schq; 303 u8 lvl; 304 #define NIX_TXSCHQ_FREE BIT_ULL(1) 305 #define NIX_TXSCHQ_CFG_DONE BIT_ULL(0) 306 #define TXSCH_MAP_FUNC(__pfvf_map) ((__pfvf_map) & 0xFFFF) 307 #define TXSCH_MAP_FLAGS(__pfvf_map) ((__pfvf_map) >> 16) 308 #define TXSCH_MAP(__func, __flags) (((__func) & 0xFFFF) | ((__flags) << 16)) 309 #define TXSCH_SET_FLAG(__pfvf_map, flag) ((__pfvf_map) | ((flag) << 16)) 310 u32 *pfvf_map; 311 }; 312 313 struct nix_mark_format { 314 u8 total; 315 u8 in_use; 316 u32 *cfg; 317 }; 318 319 /* smq(flush) to tl1 cir/pir info */ 320 struct nix_smq_tree_ctx { 321 u64 cir_off; 322 u64 cir_val; 323 u64 pir_off; 324 u64 pir_val; 325 }; 326 327 /* smq flush context */ 328 struct nix_smq_flush_ctx { 329 int smq; 330 u16 tl1_schq; 331 u16 tl2_schq; 332 struct nix_smq_tree_ctx smq_tree_ctx[NIX_TXSCH_LVL_CNT]; 333 }; 334 335 struct npc_pkind { 336 struct rsrc_bmap rsrc; 337 u32 *pfchan_map; 338 }; 339 340 struct nix_flowkey { 341 #define NIX_FLOW_KEY_ALG_MAX 32 342 u32 flowkey[NIX_FLOW_KEY_ALG_MAX]; 343 int in_use; 344 }; 345 346 struct nix_lso { 347 u8 total; 348 u8 in_use; 349 }; 350 351 struct nix_txvlan { 352 #define NIX_TX_VTAG_DEF_MAX 0x400 353 struct rsrc_bmap rsrc; 354 u16 *entry2pfvf_map; 355 struct mutex rsrc_lock; /* Serialize resource alloc/free */ 356 }; 357 358 struct nix_ipolicer { 359 struct rsrc_bmap band_prof; 360 u16 *pfvf_map; 361 u16 *match_id; 362 u16 *ref_count; 363 }; 364 365 struct nix_hw { 366 int blkaddr; 367 struct rvu *rvu; 368 struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */ 369 struct nix_mcast mcast; 370 struct nix_mcast_grp mcast_grp; 371 struct nix_flowkey flowkey; 372 struct nix_mark_format mark_format; 373 struct nix_lso lso; 374 struct nix_txvlan txvlan; 375 struct nix_ipolicer *ipolicer; 376 struct nix_bp bp; 377 u64 *tx_credits; 378 u8 cc_mcs_cnt; 379 }; 380 381 /* RVU block's capabilities or functionality, 382 * which vary by silicon version/skew. 383 */ 384 struct hw_cap { 385 /* Transmit side supported functionality */ 386 u8 nix_tx_aggr_lvl; /* Tx link's traffic aggregation level */ 387 u16 nix_txsch_per_cgx_lmac; /* Max Q's transmitting to CGX LMAC */ 388 u16 nix_txsch_per_lbk_lmac; /* Max Q's transmitting to LBK LMAC */ 389 u16 nix_txsch_per_sdp_lmac; /* Max Q's transmitting to SDP LMAC */ 390 bool nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */ 391 bool nix_shaping; /* Is shaping and coloring supported */ 392 bool nix_shaper_toggle_wait; /* Shaping toggle needs poll/wait */ 393 bool nix_tx_link_bp; /* Can link backpressure TL queues ? */ 394 bool nix_rx_multicast; /* Rx packet replication support */ 395 bool nix_common_dwrr_mtu; /* Common DWRR MTU for quantum config */ 396 bool per_pf_mbox_regs; /* PF mbox specified in per PF registers ? */ 397 bool programmable_chans; /* Channels programmable ? */ 398 bool ipolicer; 399 bool nix_multiple_dwrr_mtu; /* Multiple DWRR_MTU to choose from */ 400 bool npc_hash_extract; /* Hash extract enabled ? */ 401 bool npc_exact_match_enabled; /* Exact match supported ? */ 402 }; 403 404 struct rvu_hwinfo { 405 u8 total_pfs; /* MAX RVU PFs HW supports */ 406 u16 total_vfs; /* Max RVU VFs HW supports */ 407 u16 max_vfs_per_pf; /* Max VFs that can be attached to a PF */ 408 u8 cgx; 409 u8 lmac_per_cgx; 410 u16 cgx_chan_base; /* CGX base channel number */ 411 u16 lbk_chan_base; /* LBK base channel number */ 412 u16 sdp_chan_base; /* SDP base channel number */ 413 u16 cpt_chan_base; /* CPT base channel number */ 414 u8 cgx_links; 415 u8 lbk_links; 416 u8 sdp_links; 417 u8 cpt_links; /* Number of CPT links */ 418 u8 npc_kpus; /* No of parser units */ 419 u8 npc_pkinds; /* No of port kinds */ 420 u8 npc_intfs; /* No of interfaces */ 421 u8 npc_kpu_entries; /* No of KPU entries */ 422 u16 npc_counters; /* No of match stats counters */ 423 u32 lbk_bufsize; /* FIFO size supported by LBK */ 424 bool npc_ext_set; /* Extended register set */ 425 u64 npc_stat_ena; /* Match stats enable bit */ 426 427 struct hw_cap cap; 428 struct rvu_block block[BLK_COUNT]; /* Block info */ 429 struct nix_hw *nix; 430 struct rvu *rvu; 431 struct npc_pkind pkind; 432 struct npc_mcam mcam; 433 struct npc_exact_table *table; 434 }; 435 436 struct mbox_wq_info { 437 struct otx2_mbox mbox; 438 struct rvu_work *mbox_wrk; 439 440 struct otx2_mbox mbox_up; 441 struct rvu_work *mbox_wrk_up; 442 443 struct workqueue_struct *mbox_wq; 444 }; 445 446 struct channel_fwdata { 447 struct sdp_node_info info; 448 u8 valid; 449 #define RVU_CHANL_INFO_RESERVED 379 450 u8 reserved[RVU_CHANL_INFO_RESERVED]; 451 }; 452 453 struct rvu_fwdata { 454 #define RVU_FWDATA_HEADER_MAGIC 0xCFDA /* Custom Firmware Data*/ 455 #define RVU_FWDATA_VERSION 0x0001 456 u32 header_magic; 457 u32 version; /* version id */ 458 459 /* MAC address */ 460 #define PF_MACNUM_MAX 32 461 #define VF_MACNUM_MAX 256 462 u64 pf_macs[PF_MACNUM_MAX]; 463 u64 vf_macs[VF_MACNUM_MAX]; 464 u64 sclk; 465 u64 rclk; 466 u64 mcam_addr; 467 u64 mcam_sz; 468 u64 msixtr_base; 469 u32 ptp_ext_clk_rate; 470 u32 ptp_ext_tstamp; 471 struct channel_fwdata channel_data; 472 #define FWDATA_RESERVED_MEM 958 473 u64 reserved[FWDATA_RESERVED_MEM]; 474 #define CGX_MAX 9 475 #define CGX_LMACS_MAX 4 476 #define CGX_LMACS_USX 8 477 #define FWDATA_CGX_LMAC_OFFSET 10536 478 union { 479 struct cgx_lmac_fwdata_s 480 cgx_fw_data[CGX_MAX][CGX_LMACS_MAX]; 481 struct cgx_lmac_fwdata_s 482 cgx_fw_data_usx[CGX_MAX][CGX_LMACS_USX]; 483 }; 484 /* Do not add new fields below this line */ 485 }; 486 487 struct ptp; 488 489 /* KPU profile adapter structure gathering all KPU configuration data and abstracting out the 490 * source where it came from. 491 */ 492 struct npc_kpu_profile_adapter { 493 const char *name; 494 u64 version; 495 const struct npc_lt_def_cfg *lt_def; 496 const struct npc_kpu_profile_action *ikpu; /* array[pkinds] */ 497 const struct npc_kpu_profile *kpu; /* array[kpus] */ 498 struct npc_mcam_kex *mkex; 499 struct npc_mcam_kex_hash *mkex_hash; 500 bool custom; 501 size_t pkinds; 502 size_t kpus; 503 }; 504 505 #define RVU_SWITCH_LBK_CHAN 63 506 507 struct rvu_switch { 508 struct mutex switch_lock; /* Serialize flow installation */ 509 u32 used_entries; 510 u16 *entry2pcifunc; 511 u16 mode; 512 u16 start_entry; 513 }; 514 515 struct rvu { 516 void __iomem *afreg_base; 517 void __iomem *pfreg_base; 518 struct pci_dev *pdev; 519 struct device *dev; 520 struct rvu_hwinfo *hw; 521 struct rvu_pfvf *pf; 522 struct rvu_pfvf *hwvf; 523 struct mutex rsrc_lock; /* Serialize resource alloc/free */ 524 struct mutex alias_lock; /* Serialize bar2 alias access */ 525 int vfs; /* Number of VFs attached to RVU */ 526 u16 vf_devid; /* VF devices id */ 527 int nix_blkaddr[MAX_NIX_BLKS]; 528 529 /* Mbox */ 530 struct mbox_wq_info afpf_wq_info; 531 struct mbox_wq_info afvf_wq_info; 532 533 /* PF FLR */ 534 struct rvu_work *flr_wrk; 535 struct workqueue_struct *flr_wq; 536 struct mutex flr_lock; /* Serialize FLRs */ 537 538 /* MSI-X */ 539 u16 num_vec; 540 char *irq_name; 541 bool *irq_allocated; 542 dma_addr_t msix_base_iova; 543 u64 msixtr_base_phy; /* Register reset value */ 544 545 /* CGX */ 546 #define PF_CGXMAP_BASE 1 /* PF 0 is reserved for RVU PF */ 547 u16 cgx_mapped_vfs; /* maximum CGX mapped VFs */ 548 u8 cgx_mapped_pfs; 549 u8 cgx_cnt_max; /* CGX port count max */ 550 u8 *pf2cgxlmac_map; /* pf to cgx_lmac map */ 551 u64 *cgxlmac2pf_map; /* bitmap of mapped pfs for 552 * every cgx lmac port 553 */ 554 unsigned long pf_notify_bmap; /* Flags for PF notification */ 555 void **cgx_idmap; /* cgx id to cgx data map table */ 556 struct work_struct cgx_evh_work; 557 struct workqueue_struct *cgx_evh_wq; 558 spinlock_t cgx_evq_lock; /* cgx event queue lock */ 559 struct list_head cgx_evq_head; /* cgx event queue head */ 560 struct mutex cgx_cfg_lock; /* serialize cgx configuration */ 561 562 char mkex_pfl_name[MKEX_NAME_LEN]; /* Configured MKEX profile name */ 563 char kpu_pfl_name[KPU_NAME_LEN]; /* Configured KPU profile name */ 564 565 /* Firmware data */ 566 struct rvu_fwdata *fwdata; 567 void *kpu_fwdata; 568 size_t kpu_fwdata_sz; 569 void __iomem *kpu_prfl_addr; 570 571 /* NPC KPU data */ 572 struct npc_kpu_profile_adapter kpu; 573 574 struct ptp *ptp; 575 576 int mcs_blk_cnt; 577 int cpt_pf_num; 578 579 #ifdef CONFIG_DEBUG_FS 580 struct rvu_debugfs rvu_dbg; 581 #endif 582 struct rvu_devlink *rvu_dl; 583 584 /* RVU switch implementation over NPC with DMAC rules */ 585 struct rvu_switch rswitch; 586 587 struct work_struct mcs_intr_work; 588 struct workqueue_struct *mcs_intr_wq; 589 struct list_head mcs_intrq_head; 590 /* mcs interrupt queue lock */ 591 spinlock_t mcs_intrq_lock; 592 /* CPT interrupt lock */ 593 spinlock_t cpt_intr_lock; 594 595 struct mutex mbox_lock; /* Serialize mbox up and down msgs */ 596 }; 597 598 static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val) 599 { 600 writeq(val, rvu->afreg_base + ((block << 28) | offset)); 601 } 602 603 static inline u64 rvu_read64(struct rvu *rvu, u64 block, u64 offset) 604 { 605 return readq(rvu->afreg_base + ((block << 28) | offset)); 606 } 607 608 static inline void rvupf_write64(struct rvu *rvu, u64 offset, u64 val) 609 { 610 writeq(val, rvu->pfreg_base + offset); 611 } 612 613 static inline u64 rvupf_read64(struct rvu *rvu, u64 offset) 614 { 615 return readq(rvu->pfreg_base + offset); 616 } 617 618 static inline void rvu_bar2_sel_write64(struct rvu *rvu, u64 block, u64 offset, u64 val) 619 { 620 /* HW requires read back of RVU_AF_BAR2_SEL register to make sure completion of 621 * write operation. 622 */ 623 rvu_write64(rvu, block, offset, val); 624 rvu_read64(rvu, block, offset); 625 /* Barrier to ensure read completes before accessing LF registers */ 626 mb(); 627 } 628 629 /* Silicon revisions */ 630 static inline bool is_rvu_pre_96xx_C0(struct rvu *rvu) 631 { 632 struct pci_dev *pdev = rvu->pdev; 633 /* 96XX A0/B0, 95XX A0/A1/B0 chips */ 634 return ((pdev->revision == 0x00) || (pdev->revision == 0x01) || 635 (pdev->revision == 0x10) || (pdev->revision == 0x11) || 636 (pdev->revision == 0x14)); 637 } 638 639 static inline bool is_rvu_96xx_A0(struct rvu *rvu) 640 { 641 struct pci_dev *pdev = rvu->pdev; 642 643 return (pdev->revision == 0x00); 644 } 645 646 static inline bool is_rvu_96xx_B0(struct rvu *rvu) 647 { 648 struct pci_dev *pdev = rvu->pdev; 649 650 return (pdev->revision == 0x00) || (pdev->revision == 0x01); 651 } 652 653 static inline bool is_rvu_95xx_A0(struct rvu *rvu) 654 { 655 struct pci_dev *pdev = rvu->pdev; 656 657 return (pdev->revision == 0x10) || (pdev->revision == 0x11); 658 } 659 660 /* REVID for PCIe devices. 661 * Bits 0..1: minor pass, bit 3..2: major pass 662 * bits 7..4: midr id 663 */ 664 #define PCI_REVISION_ID_96XX 0x00 665 #define PCI_REVISION_ID_95XX 0x10 666 #define PCI_REVISION_ID_95XXN 0x20 667 #define PCI_REVISION_ID_98XX 0x30 668 #define PCI_REVISION_ID_95XXMM 0x40 669 #define PCI_REVISION_ID_95XXO 0xE0 670 671 static inline bool is_rvu_otx2(struct rvu *rvu) 672 { 673 struct pci_dev *pdev = rvu->pdev; 674 675 u8 midr = pdev->revision & 0xF0; 676 677 return (midr == PCI_REVISION_ID_96XX || midr == PCI_REVISION_ID_95XX || 678 midr == PCI_REVISION_ID_95XXN || midr == PCI_REVISION_ID_98XX || 679 midr == PCI_REVISION_ID_95XXMM || midr == PCI_REVISION_ID_95XXO); 680 } 681 682 static inline bool is_cnf10ka_a0(struct rvu *rvu) 683 { 684 struct pci_dev *pdev = rvu->pdev; 685 686 if (pdev->subsystem_device == PCI_SUBSYS_DEVID_CNF10K_A && 687 (pdev->revision & 0x0F) == 0x0) 688 return true; 689 return false; 690 } 691 692 static inline bool is_rvu_npc_hash_extract_en(struct rvu *rvu) 693 { 694 u64 npc_const3; 695 696 npc_const3 = rvu_read64(rvu, BLKADDR_NPC, NPC_AF_CONST3); 697 if (!(npc_const3 & BIT_ULL(62))) 698 return false; 699 700 return true; 701 } 702 703 static inline u16 rvu_nix_chan_cgx(struct rvu *rvu, u8 cgxid, 704 u8 lmacid, u8 chan) 705 { 706 u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST); 707 u16 cgx_chans = nix_const & 0xFFULL; 708 struct rvu_hwinfo *hw = rvu->hw; 709 710 if (!hw->cap.programmable_chans) 711 return NIX_CHAN_CGX_LMAC_CHX(cgxid, lmacid, chan); 712 713 return rvu->hw->cgx_chan_base + 714 (cgxid * hw->lmac_per_cgx + lmacid) * cgx_chans + chan; 715 } 716 717 static inline u16 rvu_nix_chan_lbk(struct rvu *rvu, u8 lbkid, 718 u8 chan) 719 { 720 u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST); 721 u16 lbk_chans = (nix_const >> 16) & 0xFFULL; 722 struct rvu_hwinfo *hw = rvu->hw; 723 724 if (!hw->cap.programmable_chans) 725 return NIX_CHAN_LBK_CHX(lbkid, chan); 726 727 return rvu->hw->lbk_chan_base + lbkid * lbk_chans + chan; 728 } 729 730 static inline u16 rvu_nix_chan_sdp(struct rvu *rvu, u8 chan) 731 { 732 struct rvu_hwinfo *hw = rvu->hw; 733 734 if (!hw->cap.programmable_chans) 735 return NIX_CHAN_SDP_CHX(chan); 736 737 return hw->sdp_chan_base + chan; 738 } 739 740 static inline u16 rvu_nix_chan_cpt(struct rvu *rvu, u8 chan) 741 { 742 return rvu->hw->cpt_chan_base + chan; 743 } 744 745 static inline bool is_rvu_supports_nix1(struct rvu *rvu) 746 { 747 struct pci_dev *pdev = rvu->pdev; 748 749 if (pdev->subsystem_device == PCI_SUBSYS_DEVID_98XX) 750 return true; 751 752 return false; 753 } 754 755 /* Function Prototypes 756 * RVU 757 */ 758 #define RVU_LBK_VF_DEVID 0xA0F8 759 static inline bool is_lbk_vf(struct rvu *rvu, u16 pcifunc) 760 { 761 return (!(pcifunc & ~RVU_PFVF_FUNC_MASK) && 762 (rvu->vf_devid == RVU_LBK_VF_DEVID)); 763 } 764 765 static inline bool is_vf(u16 pcifunc) 766 { 767 return !!(pcifunc & RVU_PFVF_FUNC_MASK); 768 } 769 770 /* check if PF_FUNC is AF */ 771 static inline bool is_pffunc_af(u16 pcifunc) 772 { 773 return !pcifunc; 774 } 775 776 static inline bool is_rvu_fwdata_valid(struct rvu *rvu) 777 { 778 return (rvu->fwdata->header_magic == RVU_FWDATA_HEADER_MAGIC) && 779 (rvu->fwdata->version == RVU_FWDATA_VERSION); 780 } 781 782 int rvu_alloc_bitmap(struct rsrc_bmap *rsrc); 783 void rvu_free_bitmap(struct rsrc_bmap *rsrc); 784 int rvu_alloc_rsrc(struct rsrc_bmap *rsrc); 785 void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id); 786 bool is_rsrc_free(struct rsrc_bmap *rsrc, int id); 787 int rvu_rsrc_free_count(struct rsrc_bmap *rsrc); 788 int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc); 789 void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start); 790 bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc); 791 u16 rvu_get_rsrc_mapcount(struct rvu_pfvf *pfvf, int blkaddr); 792 int rvu_get_pf(u16 pcifunc); 793 struct rvu_pfvf *rvu_get_pfvf(struct rvu *rvu, int pcifunc); 794 void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf); 795 bool is_block_implemented(struct rvu_hwinfo *hw, int blkaddr); 796 bool is_pffunc_map_valid(struct rvu *rvu, u16 pcifunc, int blktype); 797 int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot); 798 int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf); 799 int rvu_get_blkaddr(struct rvu *rvu, int blktype, u16 pcifunc); 800 int rvu_poll_reg(struct rvu *rvu, u64 block, u64 offset, u64 mask, bool zero); 801 int rvu_get_num_lbk_chans(void); 802 int rvu_get_blkaddr_from_slot(struct rvu *rvu, int blktype, u16 pcifunc, 803 u16 global_slot, u16 *slot_in_block); 804 805 /* RVU HW reg validation */ 806 enum regmap_block { 807 TXSCHQ_HWREGMAP = 0, 808 MAX_HWREGMAP, 809 }; 810 811 bool rvu_check_valid_reg(int regmap, int regblk, u64 reg); 812 813 /* NPA/NIX AQ APIs */ 814 int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue, 815 int qsize, int inst_size, int res_size); 816 void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq); 817 818 /* SDP APIs */ 819 int rvu_sdp_init(struct rvu *rvu); 820 bool is_sdp_pfvf(u16 pcifunc); 821 bool is_sdp_pf(u16 pcifunc); 822 bool is_sdp_vf(struct rvu *rvu, u16 pcifunc); 823 824 /* CGX APIs */ 825 static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf) 826 { 827 return (pf >= PF_CGXMAP_BASE && pf <= rvu->cgx_mapped_pfs) && 828 !is_sdp_pf(pf << RVU_PFVF_PF_SHIFT); 829 } 830 831 static inline void rvu_get_cgx_lmac_id(u8 map, u8 *cgx_id, u8 *lmac_id) 832 { 833 *cgx_id = (map >> 4) & 0xF; 834 *lmac_id = (map & 0xF); 835 } 836 837 static inline bool is_cgx_vf(struct rvu *rvu, u16 pcifunc) 838 { 839 return ((pcifunc & RVU_PFVF_FUNC_MASK) && 840 is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc))); 841 } 842 843 #define M(_name, _id, fn_name, req, rsp) \ 844 int rvu_mbox_handler_ ## fn_name(struct rvu *, struct req *, struct rsp *); 845 MBOX_MESSAGES 846 #undef M 847 848 int rvu_cgx_init(struct rvu *rvu); 849 int rvu_cgx_exit(struct rvu *rvu); 850 void *rvu_cgx_pdata(u8 cgx_id, struct rvu *rvu); 851 int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start); 852 void rvu_cgx_enadis_rx_bp(struct rvu *rvu, int pf, bool enable); 853 int rvu_cgx_start_stop_io(struct rvu *rvu, u16 pcifunc, bool start); 854 int rvu_cgx_nix_cuml_stats(struct rvu *rvu, void *cgxd, int lmac_id, int index, 855 int rxtxflag, u64 *stat); 856 void rvu_cgx_disable_dmac_entries(struct rvu *rvu, u16 pcifunc); 857 858 /* NPA APIs */ 859 int rvu_npa_init(struct rvu *rvu); 860 void rvu_npa_freemem(struct rvu *rvu); 861 void rvu_npa_lf_teardown(struct rvu *rvu, u16 pcifunc, int npalf); 862 int rvu_npa_aq_enq_inst(struct rvu *rvu, struct npa_aq_enq_req *req, 863 struct npa_aq_enq_rsp *rsp); 864 865 /* NIX APIs */ 866 bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc); 867 int rvu_nix_init(struct rvu *rvu); 868 int rvu_nix_reserve_mark_format(struct rvu *rvu, struct nix_hw *nix_hw, 869 int blkaddr, u32 cfg); 870 void rvu_nix_freemem(struct rvu *rvu); 871 int rvu_get_nixlf_count(struct rvu *rvu); 872 void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf); 873 int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr); 874 int nix_update_mce_list(struct rvu *rvu, u16 pcifunc, 875 struct nix_mce_list *mce_list, 876 int mce_idx, int mcam_index, bool add); 877 void nix_get_mce_list(struct rvu *rvu, u16 pcifunc, int type, 878 struct nix_mce_list **mce_list, int *mce_idx); 879 struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr); 880 int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr); 881 void rvu_nix_reset_mac(struct rvu_pfvf *pfvf, int pcifunc); 882 int nix_get_struct_ptrs(struct rvu *rvu, u16 pcifunc, 883 struct nix_hw **nix_hw, int *blkaddr); 884 int rvu_nix_setup_ratelimit_aggr(struct rvu *rvu, u16 pcifunc, 885 u16 rq_idx, u16 match_id); 886 int nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw, 887 struct nix_cn10k_aq_enq_req *aq_req, 888 struct nix_cn10k_aq_enq_rsp *aq_rsp, 889 u16 pcifunc, u8 ctype, u32 qidx); 890 int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc); 891 int nix_get_dwrr_mtu_reg(struct rvu_hwinfo *hw, int smq_link_type); 892 u32 convert_dwrr_mtu_to_bytes(u8 dwrr_mtu); 893 u32 convert_bytes_to_dwrr_mtu(u32 bytes); 894 void rvu_nix_tx_tl2_cfg(struct rvu *rvu, int blkaddr, u16 pcifunc, 895 struct nix_txsch *txsch, bool enable); 896 void rvu_nix_mcast_flr_free_entries(struct rvu *rvu, u16 pcifunc); 897 int rvu_nix_mcast_get_mce_index(struct rvu *rvu, u16 pcifunc, 898 u32 mcast_grp_idx); 899 int rvu_nix_mcast_update_mcam_entry(struct rvu *rvu, u16 pcifunc, 900 u32 mcast_grp_idx, u16 mcam_index); 901 void rvu_nix_flr_free_bpids(struct rvu *rvu, u16 pcifunc); 902 903 /* NPC APIs */ 904 void rvu_npc_freemem(struct rvu *rvu); 905 int rvu_npc_get_pkind(struct rvu *rvu, u16 pf); 906 void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf); 907 int npc_config_ts_kpuaction(struct rvu *rvu, int pf, u16 pcifunc, bool en); 908 void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, 909 int nixlf, u64 chan, u8 *mac_addr); 910 void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, 911 int nixlf, u64 chan, u8 chan_cnt); 912 void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 913 bool enable); 914 void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, 915 int nixlf, u64 chan); 916 void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 917 bool enable); 918 void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 919 u64 chan); 920 void rvu_npc_enable_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 921 bool enable); 922 923 void npc_enadis_default_mce_entry(struct rvu *rvu, u16 pcifunc, 924 int nixlf, int type, bool enable); 925 void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 926 bool rvu_npc_enable_mcam_by_entry_index(struct rvu *rvu, int entry, int intf, bool enable); 927 void rvu_npc_free_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 928 void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 929 void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 930 void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, 931 int group, int alg_idx, int mcam_index); 932 933 void rvu_npc_get_mcam_entry_alloc_info(struct rvu *rvu, u16 pcifunc, 934 int blkaddr, int *alloc_cnt, 935 int *enable_cnt); 936 void rvu_npc_get_mcam_counter_alloc_info(struct rvu *rvu, u16 pcifunc, 937 int blkaddr, int *alloc_cnt, 938 int *enable_cnt); 939 bool is_npc_intf_tx(u8 intf); 940 bool is_npc_intf_rx(u8 intf); 941 bool is_npc_interface_valid(struct rvu *rvu, u8 intf); 942 int rvu_npc_get_tx_nibble_cfg(struct rvu *rvu, u64 nibble_ena); 943 int npc_flow_steering_init(struct rvu *rvu, int blkaddr); 944 const char *npc_get_field_name(u8 hdr); 945 int npc_get_bank(struct npc_mcam *mcam, int index); 946 void npc_mcam_enable_flows(struct rvu *rvu, u16 target); 947 void npc_mcam_disable_flows(struct rvu *rvu, u16 target); 948 void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, 949 int blkaddr, int index, bool enable); 950 u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, 951 int blkaddr, int index); 952 void npc_set_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, 953 int blkaddr, int index, u64 cfg); 954 void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, 955 int blkaddr, u16 src, struct mcam_entry *entry, 956 u8 *intf, u8 *ena); 957 bool is_cgx_config_permitted(struct rvu *rvu, u16 pcifunc); 958 bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature); 959 u32 rvu_cgx_get_fifolen(struct rvu *rvu); 960 void *rvu_first_cgx_pdata(struct rvu *rvu); 961 int cgxlmac_to_pf(struct rvu *rvu, int cgx_id, int lmac_id); 962 int rvu_cgx_config_tx(void *cgxd, int lmac_id, bool enable); 963 int rvu_cgx_tx_enable(struct rvu *rvu, u16 pcifunc, bool enable); 964 int rvu_cgx_prio_flow_ctrl_cfg(struct rvu *rvu, u16 pcifunc, u8 tx_pause, u8 rx_pause, 965 u16 pfc_en); 966 int rvu_cgx_cfg_pause_frm(struct rvu *rvu, u16 pcifunc, u8 tx_pause, u8 rx_pause); 967 void rvu_mac_reset(struct rvu *rvu, u16 pcifunc); 968 u32 rvu_cgx_get_lmac_fifolen(struct rvu *rvu, int cgx, int lmac); 969 int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, u16 pcifunc, int nixlf, 970 int type); 971 bool is_mcam_entry_enabled(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr, 972 int index); 973 int rvu_npc_init(struct rvu *rvu); 974 int npc_install_mcam_drop_rule(struct rvu *rvu, int mcam_idx, u16 *counter_idx, 975 u64 chan_val, u64 chan_mask, u64 exact_val, u64 exact_mask, 976 u64 bcast_mcast_val, u64 bcast_mcast_mask); 977 void npc_mcam_rsrcs_reserve(struct rvu *rvu, int blkaddr, int entry_idx); 978 bool npc_is_feature_supported(struct rvu *rvu, u64 features, u8 intf); 979 int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr); 980 void npc_mcam_rsrcs_deinit(struct rvu *rvu); 981 982 /* CPT APIs */ 983 int rvu_cpt_register_interrupts(struct rvu *rvu); 984 void rvu_cpt_unregister_interrupts(struct rvu *rvu); 985 int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int lf, 986 int slot); 987 int rvu_cpt_ctx_flush(struct rvu *rvu, u16 pcifunc); 988 int rvu_cpt_init(struct rvu *rvu); 989 990 #define NDC_AF_BANK_MASK GENMASK_ULL(7, 0) 991 #define NDC_AF_BANK_LINE_MASK GENMASK_ULL(31, 16) 992 993 /* CN10K RVU */ 994 int rvu_set_channels_base(struct rvu *rvu); 995 void rvu_program_channels(struct rvu *rvu); 996 997 /* CN10K NIX */ 998 void rvu_nix_block_cn10k_init(struct rvu *rvu, struct nix_hw *nix_hw); 999 1000 /* CN10K RVU - LMT*/ 1001 void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc); 1002 void rvu_apr_block_cn10k_init(struct rvu *rvu); 1003 1004 #ifdef CONFIG_DEBUG_FS 1005 void rvu_dbg_init(struct rvu *rvu); 1006 void rvu_dbg_exit(struct rvu *rvu); 1007 #else 1008 static inline void rvu_dbg_init(struct rvu *rvu) {} 1009 static inline void rvu_dbg_exit(struct rvu *rvu) {} 1010 #endif 1011 1012 int rvu_ndc_fix_locked_cacheline(struct rvu *rvu, int blkaddr); 1013 1014 /* RVU Switch */ 1015 void rvu_switch_enable(struct rvu *rvu); 1016 void rvu_switch_disable(struct rvu *rvu); 1017 void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc); 1018 1019 int rvu_npc_set_parse_mode(struct rvu *rvu, u16 pcifunc, u64 mode, u8 dir, 1020 u64 pkind, u8 var_len_off, u8 var_len_off_mask, 1021 u8 shift_dir); 1022 int rvu_get_hwvf(struct rvu *rvu, int pcifunc); 1023 1024 /* CN10K MCS */ 1025 int rvu_mcs_init(struct rvu *rvu); 1026 int rvu_mcs_flr_handler(struct rvu *rvu, u16 pcifunc); 1027 void rvu_mcs_ptp_cfg(struct rvu *rvu, u8 rpm_id, u8 lmac_id, bool ena); 1028 void rvu_mcs_exit(struct rvu *rvu); 1029 1030 #endif /* RVU_H */ 1031