/* SPDX-License-Identifier: GPL-2.0 */ /* Marvell CN10K MCS driver * * Copyright (C) 2022 Marvell. */ #ifndef MCS_H #define MCS_H #include #include "rvu.h" #define PCI_DEVID_CN10K_MCS 0xA096 #define MCSX_LINK_LMAC_RANGE_MASK GENMASK_ULL(19, 16) #define MCSX_LINK_LMAC_BASE_MASK GENMASK_ULL(11, 0) #define MCS_ID_MASK 0x7 #define MCS_MAX_PFS 128 #define MCS_PORT_MODE_MASK 0x3 #define MCS_PORT_FIFO_SKID_MASK 0x3F #define MCS_MAX_CUSTOM_TAGS 0x8 #define MCS_CTRLPKT_ETYPE_RULE_MAX 8 #define MCS_CTRLPKT_DA_RULE_MAX 8 #define MCS_CTRLPKT_DA_RANGE_RULE_MAX 4 #define MCS_CTRLPKT_COMBO_RULE_MAX 4 #define MCS_CTRLPKT_MAC_RULE_MAX 1 #define MCS_MAX_CTRLPKT_RULES (MCS_CTRLPKT_ETYPE_RULE_MAX + \ MCS_CTRLPKT_DA_RULE_MAX + \ MCS_CTRLPKT_DA_RANGE_RULE_MAX + \ MCS_CTRLPKT_COMBO_RULE_MAX + \ MCS_CTRLPKT_MAC_RULE_MAX) #define MCS_CTRLPKT_ETYPE_RULE_OFFSET 0 #define MCS_CTRLPKT_DA_RULE_OFFSET 8 #define MCS_CTRLPKT_DA_RANGE_RULE_OFFSET 16 #define MCS_CTRLPKT_COMBO_RULE_OFFSET 20 #define MCS_CTRLPKT_MAC_EN_RULE_OFFSET 24 /* Reserved resources for default bypass entry */ #define MCS_RSRC_RSVD_CNT 1 /* MCS Interrupt Vector */ #define MCS_CNF10KB_INT_VEC_IP 0x13 #define MCS_CN10KB_INT_VEC_IP 0x53 #define MCS_MAX_BBE_INT 8ULL #define MCS_BBE_INT_MASK 0xFFULL #define MCS_MAX_PAB_INT 8ULL #define MCS_PAB_INT_MASK 0xFULL #define MCS_BBE_RX_INT_ENA BIT_ULL(0) #define MCS_BBE_TX_INT_ENA BIT_ULL(1) #define MCS_CPM_RX_INT_ENA BIT_ULL(2) #define MCS_CPM_TX_INT_ENA BIT_ULL(3) #define MCS_PAB_RX_INT_ENA BIT_ULL(4) #define MCS_PAB_TX_INT_ENA BIT_ULL(5) #define MCS_CPM_TX_INT_PACKET_XPN_EQ0 BIT_ULL(0) #define MCS_CPM_TX_INT_PN_THRESH_REACHED BIT_ULL(1) #define MCS_CPM_TX_INT_SA_NOT_VALID BIT_ULL(2) #define MCS_CPM_RX_INT_SECTAG_V_EQ1 BIT_ULL(0) #define MCS_CPM_RX_INT_SECTAG_E_EQ0_C_EQ1 BIT_ULL(1) #define MCS_CPM_RX_INT_SL_GTE48 BIT_ULL(2) #define MCS_CPM_RX_INT_ES_EQ1_SC_EQ1 BIT_ULL(3) #define MCS_CPM_RX_INT_SC_EQ1_SCB_EQ1 BIT_ULL(4) #define MCS_CPM_RX_INT_PACKET_XPN_EQ0 BIT_ULL(5) #define MCS_CPM_RX_INT_PN_THRESH_REACHED BIT_ULL(6) #define MCS_CPM_RX_INT_ALL (MCS_CPM_RX_INT_SECTAG_V_EQ1 | \ MCS_CPM_RX_INT_SECTAG_E_EQ0_C_EQ1 | \ MCS_CPM_RX_INT_SL_GTE48 | \ MCS_CPM_RX_INT_ES_EQ1_SC_EQ1 | \ MCS_CPM_RX_INT_SC_EQ1_SCB_EQ1 | \ MCS_CPM_RX_INT_PACKET_XPN_EQ0 | \ MCS_CPM_RX_INT_PN_THRESH_REACHED) struct mcs_pfvf { u64 intr_mask; /* Enabled Interrupt mask */ }; struct mcs_intr_event { u16 pcifunc; u64 intr_mask; u64 sa_id; u8 mcs_id; u8 lmac_id; }; struct mcs_intrq_entry { struct list_head node; struct mcs_intr_event intr_event; }; struct secy_mem_map { u8 flow_id; u8 secy; u8 ctrl_pkt; u8 sc; u64 sci; }; struct mcs_rsrc_map { u16 *flowid2pf_map; u16 *secy2pf_map; u16 *sc2pf_map; u16 *sa2pf_map; u16 *flowid2secy_map; /* bitmap flowid mapped to secy*/ u16 *ctrlpktrule2pf_map; struct rsrc_bmap flow_ids; struct rsrc_bmap secy; struct rsrc_bmap sc; struct rsrc_bmap sa; struct rsrc_bmap ctrlpktrule; }; struct hwinfo { u8 tcam_entries; u8 secy_entries; u8 sc_entries; u16 sa_entries; u8 mcs_x2p_intf; u8 lmac_cnt; u8 mcs_blks; unsigned long lmac_bmap; /* bitmap of enabled mcs lmac */ u16 ip_vec; }; struct mcs { void __iomem *reg_base; struct pci_dev *pdev; struct device *dev; struct hwinfo *hw; struct mcs_rsrc_map tx; struct mcs_rsrc_map rx; u16 pf_map[MCS_MAX_PFS]; /* List of PCIFUNC mapped to MCS */ u8 mcs_id; struct mcs_ops *mcs_ops; struct list_head mcs_list; /* Lock for mcs stats */ struct mutex stats_lock; struct mcs_pfvf *pf; struct mcs_pfvf *vf; u16 num_vec; void *rvu; u16 *tx_sa_active; }; struct mcs_ops { void (*mcs_set_hw_capabilities)(struct mcs *mcs); void (*mcs_parser_cfg)(struct mcs *mcs); void (*mcs_tx_sa_mem_map_write)(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); void (*mcs_rx_sa_mem_map_write)(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); void (*mcs_flowid_secy_map)(struct mcs *mcs, struct secy_mem_map *map, int dir); void (*mcs_bbe_intr_handler)(struct mcs *mcs, u64 intr, enum mcs_direction dir); void (*mcs_pab_intr_handler)(struct mcs *mcs, u64 intr, enum mcs_direction dir); }; extern struct pci_driver mcs_driver; static inline void mcs_reg_write(struct mcs *mcs, u64 offset, u64 val) { writeq(val, mcs->reg_base + offset); } static inline u64 mcs_reg_read(struct mcs *mcs, u64 offset) { return readq(mcs->reg_base + offset); } /* MCS APIs */ struct mcs *mcs_get_pdata(int mcs_id); int mcs_get_blkcnt(void); int mcs_set_lmac_channels(int mcs_id, u16 base); int mcs_alloc_rsrc(struct rsrc_bmap *rsrc, u16 *pf_map, u16 pcifunc); int mcs_free_rsrc(struct rsrc_bmap *rsrc, u16 *pf_map, int rsrc_id, u16 pcifunc); int mcs_alloc_all_rsrc(struct mcs *mcs, u8 *flowid, u8 *secy_id, u8 *sc_id, u8 *sa1_id, u8 *sa2_id, u16 pcifunc, int dir); int mcs_free_all_rsrc(struct mcs *mcs, int dir, u16 pcifunc); void mcs_clear_secy_plcy(struct mcs *mcs, int secy_id, int dir); void mcs_ena_dis_flowid_entry(struct mcs *mcs, int id, int dir, int ena); void mcs_ena_dis_sc_cam_entry(struct mcs *mcs, int id, int ena); void mcs_flowid_entry_write(struct mcs *mcs, u64 *data, u64 *mask, int id, int dir); void mcs_secy_plcy_write(struct mcs *mcs, u64 plcy, int id, int dir); void mcs_rx_sc_cam_write(struct mcs *mcs, u64 sci, u64 secy, int sc_id); void mcs_sa_plcy_write(struct mcs *mcs, u64 *plcy, int sa, int dir); void mcs_map_sc_to_sa(struct mcs *mcs, u64 *sa_map, int sc, int dir); void mcs_pn_table_write(struct mcs *mcs, u8 pn_id, u64 next_pn, u8 dir); void mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); void mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir); void mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); void mcs_pn_threshold_set(struct mcs *mcs, struct mcs_set_pn_threshold *pn); int mcs_install_flowid_bypass_entry(struct mcs *mcs); void mcs_set_lmac_mode(struct mcs *mcs, int lmac_id, u8 mode); void mcs_reset_port(struct mcs *mcs, u8 port_id, u8 reset); void mcs_set_port_cfg(struct mcs *mcs, struct mcs_port_cfg_set_req *req); void mcs_get_port_cfg(struct mcs *mcs, struct mcs_port_cfg_get_req *req, struct mcs_port_cfg_get_rsp *rsp); void mcs_get_custom_tag_cfg(struct mcs *mcs, struct mcs_custom_tag_cfg_get_req *req, struct mcs_custom_tag_cfg_get_rsp *rsp); int mcs_alloc_ctrlpktrule(struct rsrc_bmap *rsrc, u16 *pf_map, u16 offset, u16 pcifunc); int mcs_free_ctrlpktrule(struct mcs *mcs, struct mcs_free_ctrl_pkt_rule_req *req); int mcs_ctrlpktrule_write(struct mcs *mcs, struct mcs_ctrl_pkt_rule_write_req *req); /* CN10K-B APIs */ void cn10kb_mcs_set_hw_capabilities(struct mcs *mcs); void cn10kb_mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); void cn10kb_mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir); void cn10kb_mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); void cn10kb_mcs_parser_cfg(struct mcs *mcs); void cn10kb_mcs_pab_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir); void cn10kb_mcs_bbe_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir); /* CNF10K-B APIs */ struct mcs_ops *cnf10kb_get_mac_ops(void); void cnf10kb_mcs_set_hw_capabilities(struct mcs *mcs); void cnf10kb_mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map); void cnf10kb_mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir); void cnf10kb_mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map); void cnf10kb_mcs_parser_cfg(struct mcs *mcs); void cnf10kb_mcs_tx_pn_thresh_reached_handler(struct mcs *mcs); void cnf10kb_mcs_tx_pn_wrapped_handler(struct mcs *mcs); void cnf10kb_mcs_bbe_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir); void cnf10kb_mcs_pab_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir); /* Stats APIs */ void mcs_get_sc_stats(struct mcs *mcs, struct mcs_sc_stats *stats, int id, int dir); void mcs_get_sa_stats(struct mcs *mcs, struct mcs_sa_stats *stats, int id, int dir); void mcs_get_port_stats(struct mcs *mcs, struct mcs_port_stats *stats, int id, int dir); void mcs_get_flowid_stats(struct mcs *mcs, struct mcs_flowid_stats *stats, int id, int dir); void mcs_get_rx_secy_stats(struct mcs *mcs, struct mcs_secy_stats *stats, int id); void mcs_get_tx_secy_stats(struct mcs *mcs, struct mcs_secy_stats *stats, int id); void mcs_clear_stats(struct mcs *mcs, u8 type, u8 id, int dir); int mcs_clear_all_stats(struct mcs *mcs, u16 pcifunc, int dir); int mcs_set_force_clk_en(struct mcs *mcs, bool set); int mcs_add_intr_wq_entry(struct mcs *mcs, struct mcs_intr_event *event); #endif /* MCS_H */