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