/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* Copyright (C) 2015-2018 Netronome Systems, Inc. */
/*
* nfp_main . h
* Author : Jason McMullan < jason . mcmullan @ netronome . com >
*/
#ifndef NFP_MAIN_H
#define NFP_MAIN_H
#include <linux/ethtool.h>
#include <linux/list.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/workqueue.h>
#include <net/devlink.h>
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_eth_media_buf;
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[];
};
/**
* struct nfp_pf - NFP PF - specific device structure
* @ pdev : Backpointer to PCI device
* @ dev_info : NFP ASIC params
* @ 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
*
* Fields which may change after proble are protected by devlink instance lock .
*/
struct nfp_pf {
struct pci_dev *pdev;
const struct nfp_dev_info *dev_info;
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;
};
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);
int nfp_net_pf_get_app_id(struct nfp_pf *pf);
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 struct firmware *fw,
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);
unsigned int nfp_net_lr2speed(unsigned int linkrate);
unsigned int nfp_net_speed2lr(unsigned int speed);
#endif /* NFP_MAIN_H */
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