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/* 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 <linux/pci.h>
#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 *npa;
struct dentry *nix;
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;
};
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;
};
/* 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;
};
struct nix_txsch {
struct rsrc_bmap schq;
u8 lvl;
#define NIX_TXSCHQ_TL1_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))
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;
};
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 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 */
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);
}
static inline bool is_rvu_9xxx_A0(struct rvu *rvu)
{
struct pci_dev *pdev = rvu->pdev;
return (pdev->revision == 0x00) &&
(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);
}
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);
int rvu_mbox_handler_cgx_start_rxtx(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_stop_rxtx(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_stats(struct rvu *rvu, struct msg_req *req,
struct cgx_stats_rsp *rsp);
int rvu_mbox_handler_cgx_mac_addr_set(struct rvu *rvu,
struct cgx_mac_addr_set_or_get *req,
struct cgx_mac_addr_set_or_get *rsp);
int rvu_mbox_handler_cgx_mac_addr_get(struct rvu *rvu,
struct cgx_mac_addr_set_or_get *req,
struct cgx_mac_addr_set_or_get *rsp);
int rvu_mbox_handler_cgx_promisc_enable(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_promisc_disable(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_start_linkevents(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_stop_linkevents(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_get_linkinfo(struct rvu *rvu, struct msg_req *req,
struct cgx_link_info_msg *rsp);
int rvu_mbox_handler_cgx_intlbk_enable(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_intlbk_disable(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
/* 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);
int rvu_mbox_handler_npa_aq_enq(struct rvu *rvu,
struct npa_aq_enq_req *req,
struct npa_aq_enq_rsp *rsp);
int rvu_mbox_handler_npa_hwctx_disable(struct rvu *rvu,
struct hwctx_disable_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_npa_lf_alloc(struct rvu *rvu,
struct npa_lf_alloc_req *req,
struct npa_lf_alloc_rsp *rsp);
int rvu_mbox_handler_npa_lf_free(struct rvu *rvu, struct msg_req *req,
struct msg_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 rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu,
struct nix_lf_alloc_req *req,
struct nix_lf_alloc_rsp *rsp);
int rvu_mbox_handler_nix_lf_free(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_aq_enq(struct rvu *rvu,
struct nix_aq_enq_req *req,
struct nix_aq_enq_rsp *rsp);
int rvu_mbox_handler_nix_hwctx_disable(struct rvu *rvu,
struct hwctx_disable_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
struct nix_txsch_alloc_req *req,
struct nix_txsch_alloc_rsp *rsp);
int rvu_mbox_handler_nix_txsch_free(struct rvu *rvu,
struct nix_txsch_free_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,
struct nix_txschq_config *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_stats_rst(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_vtag_cfg(struct rvu *rvu,
struct nix_vtag_config *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_rxvlan_alloc(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_rss_flowkey_cfg(struct rvu *rvu,
struct nix_rss_flowkey_cfg *req,
struct nix_rss_flowkey_cfg_rsp *rsp);
int rvu_mbox_handler_nix_set_mac_addr(struct rvu *rvu,
struct nix_set_mac_addr *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_set_rx_mode(struct rvu *rvu, struct nix_rx_mode *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_set_hw_frs(struct rvu *rvu, struct nix_frs_cfg *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_lf_start_rx(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_lf_stop_rx(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_mark_format_cfg(struct rvu *rvu,
struct nix_mark_format_cfg *req,
struct nix_mark_format_cfg_rsp *rsp);
int rvu_mbox_handler_nix_set_rx_cfg(struct rvu *rvu, struct nix_rx_cfg *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_nix_lso_format_cfg(struct rvu *rvu,
struct nix_lso_format_cfg *req,
struct nix_lso_format_cfg_rsp *rsp);
/* 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);
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);
int rvu_mbox_handler_npc_mcam_alloc_entry(struct rvu *rvu,
struct npc_mcam_alloc_entry_req *req,
struct npc_mcam_alloc_entry_rsp *rsp);
int rvu_mbox_handler_npc_mcam_free_entry(struct rvu *rvu,
struct npc_mcam_free_entry_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_write_entry(struct rvu *rvu,
struct npc_mcam_write_entry_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_ena_entry(struct rvu *rvu,
struct npc_mcam_ena_dis_entry_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_dis_entry(struct rvu *rvu,
struct npc_mcam_ena_dis_entry_req *req,
struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_shift_entry(struct rvu *rvu,
struct npc_mcam_shift_entry_req *req,
struct npc_mcam_shift_entry_rsp *rsp);
int rvu_mbox_handler_npc_mcam_alloc_counter(struct rvu *rvu,
struct npc_mcam_alloc_counter_req *req,
struct npc_mcam_alloc_counter_rsp *rsp);
int rvu_mbox_handler_npc_mcam_free_counter(struct rvu *rvu,
struct npc_mcam_oper_counter_req *req, struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_clear_counter(struct rvu *rvu,
struct npc_mcam_oper_counter_req *req, struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_unmap_counter(struct rvu *rvu,
struct npc_mcam_unmap_counter_req *req, struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_counter_stats(struct rvu *rvu,
struct npc_mcam_oper_counter_req *req,
struct npc_mcam_oper_counter_rsp *rsp);
int rvu_mbox_handler_npc_mcam_alloc_and_write_entry(struct rvu *rvu,
struct npc_mcam_alloc_and_write_entry_req *req,
struct npc_mcam_alloc_and_write_entry_rsp *rsp);
int rvu_mbox_handler_npc_get_kex_cfg(struct rvu *rvu, struct msg_req *req,
struct npc_get_kex_cfg_rsp *rsp);
#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 */
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