/* SPDX-License-Identifier: GPL-2.0 */ /* Marvell OcteonTx2 RVU Admin Function driver * * Copyright (C) 2018 Marvell International Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef RVU_H #define RVU_H #include #include "rvu_struct.h" #include "common.h" #include "mbox.h" /* PCI device IDs */ #define PCI_DEVID_OCTEONTX2_RVU_AF 0xA065 /* Subsystem Device ID */ #define PCI_SUBSYS_DEVID_96XX 0xB200 /* PCI BAR nos */ #define PCI_AF_REG_BAR_NUM 0 #define PCI_PF_REG_BAR_NUM 2 #define PCI_MBOX_BAR_NUM 4 #define NAME_SIZE 32 /* PF_FUNC */ #define RVU_PFVF_PF_SHIFT 10 #define RVU_PFVF_PF_MASK 0x3F #define RVU_PFVF_FUNC_SHIFT 0 #define RVU_PFVF_FUNC_MASK 0x3FF #ifdef CONFIG_DEBUG_FS struct dump_ctx { int lf; int id; bool all; }; struct rvu_debugfs { struct dentry *root; struct dentry *cgx_root; struct dentry *cgx; struct dentry *lmac; struct dentry *npa; struct dentry *nix; struct dentry *npc; struct dump_ctx npa_aura_ctx; struct dump_ctx npa_pool_ctx; struct dump_ctx nix_cq_ctx; struct dump_ctx nix_rq_ctx; struct dump_ctx nix_sq_ctx; int npa_qsize_id; int nix_qsize_id; }; #endif struct rvu_work { struct work_struct work; struct rvu *rvu; int num_msgs; int up_num_msgs; }; struct rsrc_bmap { unsigned long *bmap; /* Pointer to resource bitmap */ u16 max; /* Max resource id or count */ }; struct rvu_block { struct rsrc_bmap lf; struct admin_queue *aq; /* NIX/NPA AQ */ u16 *fn_map; /* LF to pcifunc mapping */ bool multislot; bool implemented; u8 addr; /* RVU_BLOCK_ADDR_E */ u8 type; /* RVU_BLOCK_TYPE_E */ u8 lfshift; u64 lookup_reg; u64 pf_lfcnt_reg; u64 vf_lfcnt_reg; u64 lfcfg_reg; u64 msixcfg_reg; u64 lfreset_reg; unsigned char name[NAME_SIZE]; }; struct nix_mcast { struct qmem *mce_ctx; struct qmem *mcast_buf; int replay_pkind; int next_free_mce; struct mutex mce_lock; /* Serialize MCE updates */ }; struct nix_mce_list { struct hlist_head head; int count; int max; }; struct npc_mcam { struct rsrc_bmap counters; struct mutex lock; /* MCAM entries and counters update lock */ unsigned long *bmap; /* bitmap, 0 => bmap_entries */ unsigned long *bmap_reverse; /* Reverse bitmap, bmap_entries => 0 */ u16 bmap_entries; /* Number of unreserved MCAM entries */ u16 bmap_fcnt; /* MCAM entries free count */ u16 *entry2pfvf_map; u16 *entry2cntr_map; u16 *cntr2pfvf_map; u16 *cntr_refcnt; u8 keysize; /* MCAM keysize 112/224/448 bits */ u8 banks; /* Number of MCAM banks */ u8 banks_per_entry;/* Number of keywords in key */ u16 banksize; /* Number of MCAM entries in each bank */ u16 total_entries; /* Total number of MCAM entries */ u16 nixlf_offset; /* Offset of nixlf rsvd uncast entries */ u16 pf_offset; /* Offset of PF's rsvd bcast, promisc entries */ u16 lprio_count; u16 lprio_start; u16 hprio_count; u16 hprio_end; u16 rx_miss_act_cntr; /* Counter for RX MISS action */ }; /* Structure for per RVU func info ie PF/VF */ struct rvu_pfvf { bool npalf; /* Only one NPALF per RVU_FUNC */ bool nixlf; /* Only one NIXLF per RVU_FUNC */ u16 sso; u16 ssow; u16 cptlfs; u16 timlfs; u8 cgx_lmac; /* Block LF's MSIX vector info */ struct rsrc_bmap msix; /* Bitmap for MSIX vector alloc */ #define MSIX_BLKLF(blkaddr, lf) (((blkaddr) << 8) | ((lf) & 0xFF)) u16 *msix_lfmap; /* Vector to block LF mapping */ /* NPA contexts */ struct qmem *aura_ctx; struct qmem *pool_ctx; struct qmem *npa_qints_ctx; unsigned long *aura_bmap; unsigned long *pool_bmap; /* NIX contexts */ struct qmem *rq_ctx; struct qmem *sq_ctx; struct qmem *cq_ctx; struct qmem *rss_ctx; struct qmem *cq_ints_ctx; struct qmem *nix_qints_ctx; unsigned long *sq_bmap; unsigned long *rq_bmap; unsigned long *cq_bmap; u16 rx_chan_base; u16 tx_chan_base; u8 rx_chan_cnt; /* total number of RX channels */ u8 tx_chan_cnt; /* total number of TX channels */ u16 maxlen; u16 minlen; u8 mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */ /* Broadcast pkt replication info */ u16 bcast_mce_idx; struct nix_mce_list bcast_mce_list; /* VLAN offload */ struct mcam_entry entry; int rxvlan_index; bool rxvlan; bool cgx_in_use; /* this PF/VF using CGX? */ int cgx_users; /* number of cgx users - used only by PFs */ }; struct nix_txsch { struct rsrc_bmap schq; u8 lvl; #define NIX_TXSCHQ_FREE BIT_ULL(1) #define NIX_TXSCHQ_CFG_DONE BIT_ULL(0) #define TXSCH_MAP_FUNC(__pfvf_map) ((__pfvf_map) & 0xFFFF) #define TXSCH_MAP_FLAGS(__pfvf_map) ((__pfvf_map) >> 16) #define TXSCH_MAP(__func, __flags) (((__func) & 0xFFFF) | ((__flags) << 16)) #define TXSCH_SET_FLAG(__pfvf_map, flag) ((__pfvf_map) | ((flag) << 16)) u32 *pfvf_map; }; struct nix_mark_format { u8 total; u8 in_use; u32 *cfg; }; struct npc_pkind { struct rsrc_bmap rsrc; u32 *pfchan_map; }; struct nix_flowkey { #define NIX_FLOW_KEY_ALG_MAX 32 u32 flowkey[NIX_FLOW_KEY_ALG_MAX]; int in_use; }; struct nix_lso { u8 total; u8 in_use; }; struct nix_hw { struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */ struct nix_mcast mcast; struct nix_flowkey flowkey; struct nix_mark_format mark_format; struct nix_lso lso; }; /* RVU block's capabilities or functionality, * which vary by silicon version/skew. */ struct hw_cap { /* Transmit side supported functionality */ u8 nix_tx_aggr_lvl; /* Tx link's traffic aggregation level */ u16 nix_txsch_per_cgx_lmac; /* Max Q's transmitting to CGX LMAC */ u16 nix_txsch_per_lbk_lmac; /* Max Q's transmitting to LBK LMAC */ u16 nix_txsch_per_sdp_lmac; /* Max Q's transmitting to SDP LMAC */ bool nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */ bool nix_shaping; /* Is shaping and coloring supported */ bool nix_tx_link_bp; /* Can link backpressure TL queues ? */ bool nix_rx_multicast; /* Rx packet replication support */ }; struct rvu_hwinfo { u8 total_pfs; /* MAX RVU PFs HW supports */ u16 total_vfs; /* Max RVU VFs HW supports */ u16 max_vfs_per_pf; /* Max VFs that can be attached to a PF */ u8 cgx; u8 lmac_per_cgx; u8 cgx_links; u8 lbk_links; u8 sdp_links; u8 npc_kpus; /* No of parser units */ struct hw_cap cap; struct rvu_block block[BLK_COUNT]; /* Block info */ struct nix_hw *nix0; struct npc_pkind pkind; struct npc_mcam mcam; }; struct mbox_wq_info { struct otx2_mbox mbox; struct rvu_work *mbox_wrk; struct otx2_mbox mbox_up; struct rvu_work *mbox_wrk_up; struct workqueue_struct *mbox_wq; }; struct rvu { void __iomem *afreg_base; void __iomem *pfreg_base; struct pci_dev *pdev; struct device *dev; struct rvu_hwinfo *hw; struct rvu_pfvf *pf; struct rvu_pfvf *hwvf; struct mutex rsrc_lock; /* Serialize resource alloc/free */ int vfs; /* Number of VFs attached to RVU */ /* Mbox */ struct mbox_wq_info afpf_wq_info; struct mbox_wq_info afvf_wq_info; /* PF FLR */ struct rvu_work *flr_wrk; struct workqueue_struct *flr_wq; struct mutex flr_lock; /* Serialize FLRs */ /* MSI-X */ u16 num_vec; char *irq_name; bool *irq_allocated; dma_addr_t msix_base_iova; /* CGX */ #define PF_CGXMAP_BASE 1 /* PF 0 is reserved for RVU PF */ u8 cgx_mapped_pfs; u8 cgx_cnt_max; /* CGX port count max */ u8 *pf2cgxlmac_map; /* pf to cgx_lmac map */ u16 *cgxlmac2pf_map; /* bitmap of mapped pfs for * every cgx lmac port */ unsigned long pf_notify_bmap; /* Flags for PF notification */ void **cgx_idmap; /* cgx id to cgx data map table */ struct work_struct cgx_evh_work; struct workqueue_struct *cgx_evh_wq; spinlock_t cgx_evq_lock; /* cgx event queue lock */ struct list_head cgx_evq_head; /* cgx event queue head */ struct mutex cgx_cfg_lock; /* serialize cgx configuration */ char mkex_pfl_name[MKEX_NAME_LEN]; /* Configured MKEX profile name */ #ifdef CONFIG_DEBUG_FS struct rvu_debugfs rvu_dbg; #endif }; static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val) { writeq(val, rvu->afreg_base + ((block << 28) | offset)); } static inline u64 rvu_read64(struct rvu *rvu, u64 block, u64 offset) { return readq(rvu->afreg_base + ((block << 28) | offset)); } static inline void rvupf_write64(struct rvu *rvu, u64 offset, u64 val) { writeq(val, rvu->pfreg_base + offset); } static inline u64 rvupf_read64(struct rvu *rvu, u64 offset) { return readq(rvu->pfreg_base + offset); } /* Silicon revisions */ static inline bool is_rvu_96xx_A0(struct rvu *rvu) { struct pci_dev *pdev = rvu->pdev; return (pdev->revision == 0x00) && (pdev->subsystem_device == PCI_SUBSYS_DEVID_96XX); } static inline bool is_rvu_96xx_B0(struct rvu *rvu) { struct pci_dev *pdev = rvu->pdev; return ((pdev->revision == 0x00) || (pdev->revision == 0x01)) && (pdev->subsystem_device == PCI_SUBSYS_DEVID_96XX); } /* Function Prototypes * RVU */ static inline int is_afvf(u16 pcifunc) { return !(pcifunc & ~RVU_PFVF_FUNC_MASK); } int rvu_alloc_bitmap(struct rsrc_bmap *rsrc); int rvu_alloc_rsrc(struct rsrc_bmap *rsrc); void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id); int rvu_rsrc_free_count(struct rsrc_bmap *rsrc); int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc); bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc); int rvu_get_pf(u16 pcifunc); struct rvu_pfvf *rvu_get_pfvf(struct rvu *rvu, int pcifunc); void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf); bool is_block_implemented(struct rvu_hwinfo *hw, int blkaddr); bool is_pffunc_map_valid(struct rvu *rvu, u16 pcifunc, int blktype); int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot); int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf); int rvu_get_blkaddr(struct rvu *rvu, int blktype, u16 pcifunc); int rvu_poll_reg(struct rvu *rvu, u64 block, u64 offset, u64 mask, bool zero); /* RVU HW reg validation */ enum regmap_block { TXSCHQ_HWREGMAP = 0, MAX_HWREGMAP, }; bool rvu_check_valid_reg(int regmap, int regblk, u64 reg); /* NPA/NIX AQ APIs */ int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue, int qsize, int inst_size, int res_size); void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq); /* CGX APIs */ static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf) { return (pf >= PF_CGXMAP_BASE && pf <= rvu->cgx_mapped_pfs); } static inline void rvu_get_cgx_lmac_id(u8 map, u8 *cgx_id, u8 *lmac_id) { *cgx_id = (map >> 4) & 0xF; *lmac_id = (map & 0xF); } #define M(_name, _id, fn_name, req, rsp) \ int rvu_mbox_handler_ ## fn_name(struct rvu *, struct req *, struct rsp *); MBOX_MESSAGES #undef M int rvu_cgx_init(struct rvu *rvu); int rvu_cgx_exit(struct rvu *rvu); void *rvu_cgx_pdata(u8 cgx_id, struct rvu *rvu); int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start); void rvu_cgx_enadis_rx_bp(struct rvu *rvu, int pf, bool enable); int rvu_cgx_start_stop_io(struct rvu *rvu, u16 pcifunc, bool start); int rvu_cgx_nix_cuml_stats(struct rvu *rvu, void *cgxd, int lmac_id, int index, int rxtxflag, u64 *stat); /* NPA APIs */ int rvu_npa_init(struct rvu *rvu); void rvu_npa_freemem(struct rvu *rvu); void rvu_npa_lf_teardown(struct rvu *rvu, u16 pcifunc, int npalf); int rvu_npa_aq_enq_inst(struct rvu *rvu, struct npa_aq_enq_req *req, struct npa_aq_enq_rsp *rsp); /* NIX APIs */ bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc); int rvu_nix_init(struct rvu *rvu); int rvu_nix_reserve_mark_format(struct rvu *rvu, struct nix_hw *nix_hw, int blkaddr, u32 cfg); void rvu_nix_freemem(struct rvu *rvu); int rvu_get_nixlf_count(struct rvu *rvu); void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf); int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf); /* NPC APIs */ int rvu_npc_init(struct rvu *rvu); void rvu_npc_freemem(struct rvu *rvu); int rvu_npc_get_pkind(struct rvu *rvu, u16 pf); void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf); void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan, u8 *mac_addr); void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan, bool allmulti); void rvu_npc_disable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u64 chan); void rvu_npc_disable_bcast_entry(struct rvu *rvu, u16 pcifunc); int rvu_npc_update_rxvlan(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf); void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, int group, int alg_idx, int mcam_index); void rvu_npc_get_mcam_entry_alloc_info(struct rvu *rvu, u16 pcifunc, int blkaddr, int *alloc_cnt, int *enable_cnt); void rvu_npc_get_mcam_counter_alloc_info(struct rvu *rvu, u16 pcifunc, int blkaddr, int *alloc_cnt, int *enable_cnt); #ifdef CONFIG_DEBUG_FS void rvu_dbg_init(struct rvu *rvu); void rvu_dbg_exit(struct rvu *rvu); #else static inline void rvu_dbg_init(struct rvu *rvu) {} static inline void rvu_dbg_exit(struct rvu *rvu) {} #endif #endif /* RVU_H */