/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (C) 2015-2018 Netronome Systems, Inc. */ /* * nfp_main.h * Author: Jason McMullan */ #ifndef NFP_MAIN_H #define NFP_MAIN_H #include #include #include #include #include #include #include #include struct dentry; struct device; struct pci_dev; struct nfp_cpp; struct nfp_cpp_area; struct nfp_eth_table; struct nfp_hwinfo; struct nfp_mip; struct nfp_net; struct nfp_nsp_identify; struct nfp_port; struct nfp_rtsym; struct nfp_rtsym_table; struct nfp_shared_buf; /** * struct nfp_dumpspec - NFP FW dump specification structure * @size: Size of the data * @data: Sequence of TLVs, each being an instruction to dump some data * from FW */ struct nfp_dumpspec { u32 size; u8 data[0]; }; /** * struct nfp_pf - NFP PF-specific device structure * @pdev: Backpointer to PCI device * @cpp: Pointer to the CPP handle * @app: Pointer to the APP handle * @data_vnic_bar: Pointer to the CPP area for the data vNICs' BARs * @ctrl_vnic_bar: Pointer to the CPP area for the ctrl vNIC's BAR * @qc_area: Pointer to the CPP area for the queues * @mac_stats_bar: Pointer to the CPP area for the MAC stats * @mac_stats_mem: Pointer to mapped MAC stats area * @vf_cfg_bar: Pointer to the CPP area for the VF configuration BAR * @vf_cfg_mem: Pointer to mapped VF configuration area * @vfcfg_tbl2_area: Pointer to the CPP area for the VF config table * @vfcfg_tbl2: Pointer to mapped VF config table * @mbox: RTSym of per-PCI PF mailbox (under devlink lock) * @irq_entries: Array of MSI-X entries for all vNICs * @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit) * @num_vfs: Number of SR-IOV VFs enabled * @fw_loaded: Is the firmware loaded? * @unload_fw_on_remove:Do we need to unload firmware on driver removal? * @ctrl_vnic: Pointer to the control vNIC if available * @mip: MIP handle * @rtbl: RTsym table * @hwinfo: HWInfo table * @dumpspec: Debug dump specification * @dump_flag: Store dump flag between set_dump and get_dump_flag * @dump_len: Store dump length between set_dump and get_dump_flag * @eth_tbl: NSP ETH table * @nspi: NSP identification info * @hwmon_dev: pointer to hwmon device * @ddir: Per-device debugfs directory * @max_data_vnics: Number of data vNICs app firmware supports * @num_vnics: Number of vNICs spawned * @vnics: Linked list of vNIC structures (struct nfp_net) * @ports: Linked list of port structures (struct nfp_port) * @wq: Workqueue for running works which need to grab @lock * @port_refresh_work: Work entry for taking netdevs out * @shared_bufs: Array of shared buffer structures if FW has any SBs * @num_shared_bufs: Number of elements in @shared_bufs * @lock: Protects all fields which may change after probe */ struct nfp_pf { struct pci_dev *pdev; struct nfp_cpp *cpp; struct nfp_app *app; struct nfp_cpp_area *data_vnic_bar; struct nfp_cpp_area *ctrl_vnic_bar; struct nfp_cpp_area *qc_area; struct nfp_cpp_area *mac_stats_bar; u8 __iomem *mac_stats_mem; struct nfp_cpp_area *vf_cfg_bar; u8 __iomem *vf_cfg_mem; struct nfp_cpp_area *vfcfg_tbl2_area; u8 __iomem *vfcfg_tbl2; const struct nfp_rtsym *mbox; struct msix_entry *irq_entries; unsigned int limit_vfs; unsigned int num_vfs; bool fw_loaded; bool unload_fw_on_remove; struct nfp_net *ctrl_vnic; const struct nfp_mip *mip; struct nfp_rtsym_table *rtbl; struct nfp_hwinfo *hwinfo; struct nfp_dumpspec *dumpspec; u32 dump_flag; u32 dump_len; struct nfp_eth_table *eth_tbl; struct nfp_nsp_identify *nspi; struct device *hwmon_dev; struct dentry *ddir; unsigned int max_data_vnics; unsigned int num_vnics; struct list_head vnics; struct list_head ports; struct workqueue_struct *wq; struct work_struct port_refresh_work; struct nfp_shared_buf *shared_bufs; unsigned int num_shared_bufs; struct mutex lock; }; extern struct pci_driver nfp_netvf_pci_driver; extern const struct devlink_ops nfp_devlink_ops; int nfp_net_pci_probe(struct nfp_pf *pf); void nfp_net_pci_remove(struct nfp_pf *pf); int nfp_hwmon_register(struct nfp_pf *pf); void nfp_hwmon_unregister(struct nfp_pf *pf); void nfp_net_get_mac_addr(struct nfp_pf *pf, struct net_device *netdev, struct nfp_port *port); bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb); int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format, unsigned int default_val); u8 __iomem * nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt, unsigned int min_size, struct nfp_cpp_area **area); int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length, void *out_data, u64 out_length); int nfp_flash_update_common(struct nfp_pf *pf, const char *path, struct netlink_ext_ack *extack); enum nfp_dump_diag { NFP_DUMP_NSP_DIAG = 0, }; struct nfp_dumpspec * nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl); s64 nfp_net_dump_calculate_size(struct nfp_pf *pf, struct nfp_dumpspec *spec, u32 flag); int nfp_net_dump_populate_buffer(struct nfp_pf *pf, struct nfp_dumpspec *spec, struct ethtool_dump *dump_param, void *dest); int nfp_shared_buf_register(struct nfp_pf *pf); void nfp_shared_buf_unregister(struct nfp_pf *pf); int nfp_shared_buf_pool_get(struct nfp_pf *pf, unsigned int sb, u16 pool_index, struct devlink_sb_pool_info *pool_info); int nfp_shared_buf_pool_set(struct nfp_pf *pf, unsigned int sb, u16 pool_index, u32 size, enum devlink_sb_threshold_type threshold_type); int nfp_devlink_params_register(struct nfp_pf *pf); void nfp_devlink_params_unregister(struct nfp_pf *pf); #endif /* NFP_MAIN_H */