1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */ 3 4 /* 5 * nfp_main.h 6 * Author: Jason McMullan <jason.mcmullan@netronome.com> 7 */ 8 9 #ifndef NFP_MAIN_H 10 #define NFP_MAIN_H 11 12 #include <linux/ethtool.h> 13 #include <linux/list.h> 14 #include <linux/types.h> 15 #include <linux/msi.h> 16 #include <linux/mutex.h> 17 #include <linux/pci.h> 18 #include <linux/workqueue.h> 19 #include <net/devlink.h> 20 21 struct dentry; 22 struct device; 23 struct pci_dev; 24 25 struct nfp_cpp; 26 struct nfp_cpp_area; 27 struct nfp_eth_table; 28 struct nfp_hwinfo; 29 struct nfp_mip; 30 struct nfp_net; 31 struct nfp_nsp_identify; 32 struct nfp_port; 33 struct nfp_rtsym; 34 struct nfp_rtsym_table; 35 struct nfp_shared_buf; 36 37 /** 38 * struct nfp_dumpspec - NFP FW dump specification structure 39 * @size: Size of the data 40 * @data: Sequence of TLVs, each being an instruction to dump some data 41 * from FW 42 */ 43 struct nfp_dumpspec { 44 u32 size; 45 u8 data[0]; 46 }; 47 48 /** 49 * struct nfp_pf - NFP PF-specific device structure 50 * @pdev: Backpointer to PCI device 51 * @cpp: Pointer to the CPP handle 52 * @app: Pointer to the APP handle 53 * @data_vnic_bar: Pointer to the CPP area for the data vNICs' BARs 54 * @ctrl_vnic_bar: Pointer to the CPP area for the ctrl vNIC's BAR 55 * @qc_area: Pointer to the CPP area for the queues 56 * @mac_stats_bar: Pointer to the CPP area for the MAC stats 57 * @mac_stats_mem: Pointer to mapped MAC stats area 58 * @vf_cfg_bar: Pointer to the CPP area for the VF configuration BAR 59 * @vf_cfg_mem: Pointer to mapped VF configuration area 60 * @vfcfg_tbl2_area: Pointer to the CPP area for the VF config table 61 * @vfcfg_tbl2: Pointer to mapped VF config table 62 * @mbox: RTSym of per-PCI PF mailbox (under devlink lock) 63 * @irq_entries: Array of MSI-X entries for all vNICs 64 * @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit) 65 * @num_vfs: Number of SR-IOV VFs enabled 66 * @fw_loaded: Is the firmware loaded? 67 * @ctrl_vnic: Pointer to the control vNIC if available 68 * @mip: MIP handle 69 * @rtbl: RTsym table 70 * @hwinfo: HWInfo table 71 * @dumpspec: Debug dump specification 72 * @dump_flag: Store dump flag between set_dump and get_dump_flag 73 * @dump_len: Store dump length between set_dump and get_dump_flag 74 * @eth_tbl: NSP ETH table 75 * @nspi: NSP identification info 76 * @hwmon_dev: pointer to hwmon device 77 * @ddir: Per-device debugfs directory 78 * @max_data_vnics: Number of data vNICs app firmware supports 79 * @num_vnics: Number of vNICs spawned 80 * @vnics: Linked list of vNIC structures (struct nfp_net) 81 * @ports: Linked list of port structures (struct nfp_port) 82 * @wq: Workqueue for running works which need to grab @lock 83 * @port_refresh_work: Work entry for taking netdevs out 84 * @shared_bufs: Array of shared buffer structures if FW has any SBs 85 * @num_shared_bufs: Number of elements in @shared_bufs 86 * @lock: Protects all fields which may change after probe 87 */ 88 struct nfp_pf { 89 struct pci_dev *pdev; 90 91 struct nfp_cpp *cpp; 92 93 struct nfp_app *app; 94 95 struct nfp_cpp_area *data_vnic_bar; 96 struct nfp_cpp_area *ctrl_vnic_bar; 97 struct nfp_cpp_area *qc_area; 98 struct nfp_cpp_area *mac_stats_bar; 99 u8 __iomem *mac_stats_mem; 100 struct nfp_cpp_area *vf_cfg_bar; 101 u8 __iomem *vf_cfg_mem; 102 struct nfp_cpp_area *vfcfg_tbl2_area; 103 u8 __iomem *vfcfg_tbl2; 104 105 const struct nfp_rtsym *mbox; 106 107 struct msix_entry *irq_entries; 108 109 unsigned int limit_vfs; 110 unsigned int num_vfs; 111 112 bool fw_loaded; 113 114 struct nfp_net *ctrl_vnic; 115 116 const struct nfp_mip *mip; 117 struct nfp_rtsym_table *rtbl; 118 struct nfp_hwinfo *hwinfo; 119 struct nfp_dumpspec *dumpspec; 120 u32 dump_flag; 121 u32 dump_len; 122 struct nfp_eth_table *eth_tbl; 123 struct nfp_nsp_identify *nspi; 124 125 struct device *hwmon_dev; 126 127 struct dentry *ddir; 128 129 unsigned int max_data_vnics; 130 unsigned int num_vnics; 131 132 struct list_head vnics; 133 struct list_head ports; 134 135 struct workqueue_struct *wq; 136 struct work_struct port_refresh_work; 137 138 struct nfp_shared_buf *shared_bufs; 139 unsigned int num_shared_bufs; 140 141 struct mutex lock; 142 }; 143 144 extern struct pci_driver nfp_netvf_pci_driver; 145 146 extern const struct devlink_ops nfp_devlink_ops; 147 148 int nfp_net_pci_probe(struct nfp_pf *pf); 149 void nfp_net_pci_remove(struct nfp_pf *pf); 150 151 int nfp_hwmon_register(struct nfp_pf *pf); 152 void nfp_hwmon_unregister(struct nfp_pf *pf); 153 154 void 155 nfp_net_get_mac_addr(struct nfp_pf *pf, struct net_device *netdev, 156 struct nfp_port *port); 157 158 bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb); 159 160 int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format, 161 unsigned int default_val); 162 u8 __iomem * 163 nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt, 164 unsigned int min_size, struct nfp_cpp_area **area); 165 int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length, 166 void *out_data, u64 out_length); 167 int nfp_flash_update_common(struct nfp_pf *pf, const char *path, 168 struct netlink_ext_ack *extack); 169 170 enum nfp_dump_diag { 171 NFP_DUMP_NSP_DIAG = 0, 172 }; 173 174 struct nfp_dumpspec * 175 nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl); 176 s64 nfp_net_dump_calculate_size(struct nfp_pf *pf, struct nfp_dumpspec *spec, 177 u32 flag); 178 int nfp_net_dump_populate_buffer(struct nfp_pf *pf, struct nfp_dumpspec *spec, 179 struct ethtool_dump *dump_param, void *dest); 180 181 int nfp_shared_buf_register(struct nfp_pf *pf); 182 void nfp_shared_buf_unregister(struct nfp_pf *pf); 183 int nfp_shared_buf_pool_get(struct nfp_pf *pf, unsigned int sb, u16 pool_index, 184 struct devlink_sb_pool_info *pool_info); 185 int nfp_shared_buf_pool_set(struct nfp_pf *pf, unsigned int sb, 186 u16 pool_index, u32 size, 187 enum devlink_sb_threshold_type threshold_type); 188 #endif /* NFP_MAIN_H */ 189