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