/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
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/* Copyright (C) 2015-2018 Netronome Systems, Inc. */
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#ifndef NSP_NSP_H
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#define NSP_NSP_H 1
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#include <linux/types.h>
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#include <linux/if_ether.h>
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struct firmware;
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struct nfp_cpp;
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struct nfp_nsp;
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struct nfp_nsp *nfp_nsp_open(struct nfp_cpp *cpp);
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void nfp_nsp_close(struct nfp_nsp *state);
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u16 nfp_nsp_get_abi_ver_major(struct nfp_nsp *state);
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u16 nfp_nsp_get_abi_ver_minor(struct nfp_nsp *state);
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int nfp_nsp_wait(struct nfp_nsp *state);
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int nfp_nsp_device_soft_reset(struct nfp_nsp *state);
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int nfp_nsp_load_fw(struct nfp_nsp *state, const struct firmware *fw);
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int nfp_nsp_write_flash(struct nfp_nsp *state, const struct firmware *fw);
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int nfp_nsp_mac_reinit(struct nfp_nsp *state);
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int nfp_nsp_load_stored_fw(struct nfp_nsp *state);
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int nfp_nsp_hwinfo_lookup(struct nfp_nsp *state, void *buf, unsigned int size);
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int nfp_nsp_hwinfo_lookup_optional(struct nfp_nsp *state, void *buf,
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unsigned int size, const char *default_val);
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int nfp_nsp_hwinfo_set(struct nfp_nsp *state, void *buf, unsigned int size);
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int nfp_nsp_fw_loaded(struct nfp_nsp *state);
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int nfp_nsp_read_module_eeprom(struct nfp_nsp *state, int eth_index,
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unsigned int offset, void *data,
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unsigned int len, unsigned int *read_len);
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static inline bool nfp_nsp_has_mac_reinit(struct nfp_nsp *state)
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{
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return nfp_nsp_get_abi_ver_minor(state) > 20;
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}
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static inline bool nfp_nsp_has_stored_fw_load(struct nfp_nsp *state)
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{
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return nfp_nsp_get_abi_ver_minor(state) > 23;
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}
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static inline bool nfp_nsp_has_hwinfo_lookup(struct nfp_nsp *state)
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{
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return nfp_nsp_get_abi_ver_minor(state) > 24;
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}
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static inline bool nfp_nsp_has_hwinfo_set(struct nfp_nsp *state)
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{
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return nfp_nsp_get_abi_ver_minor(state) > 25;
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}
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static inline bool nfp_nsp_has_fw_loaded(struct nfp_nsp *state)
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{
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return nfp_nsp_get_abi_ver_minor(state) > 25;
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}
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static inline bool nfp_nsp_has_versions(struct nfp_nsp *state)
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{
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return nfp_nsp_get_abi_ver_minor(state) > 27;
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}
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static inline bool nfp_nsp_has_read_module_eeprom(struct nfp_nsp *state)
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{
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return nfp_nsp_get_abi_ver_minor(state) > 28;
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}
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enum nfp_eth_interface {
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NFP_INTERFACE_NONE = 0,
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NFP_INTERFACE_SFP = 1,
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NFP_INTERFACE_SFPP = 10,
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NFP_INTERFACE_SFP28 = 28,
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NFP_INTERFACE_QSFP = 40,
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NFP_INTERFACE_RJ45 = 45,
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NFP_INTERFACE_CXP = 100,
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NFP_INTERFACE_QSFP28 = 112,
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};
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enum nfp_eth_media {
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NFP_MEDIA_DAC_PASSIVE = 0,
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NFP_MEDIA_DAC_ACTIVE,
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NFP_MEDIA_FIBRE,
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};
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enum nfp_eth_aneg {
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NFP_ANEG_AUTO = 0,
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NFP_ANEG_SEARCH,
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NFP_ANEG_25G_CONSORTIUM,
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NFP_ANEG_25G_IEEE,
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NFP_ANEG_DISABLED,
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};
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enum nfp_eth_fec {
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NFP_FEC_AUTO_BIT = 0,
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NFP_FEC_BASER_BIT,
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NFP_FEC_REED_SOLOMON_BIT,
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NFP_FEC_DISABLED_BIT,
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};
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#define NFP_FEC_AUTO BIT(NFP_FEC_AUTO_BIT)
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#define NFP_FEC_BASER BIT(NFP_FEC_BASER_BIT)
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#define NFP_FEC_REED_SOLOMON BIT(NFP_FEC_REED_SOLOMON_BIT)
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#define NFP_FEC_DISABLED BIT(NFP_FEC_DISABLED_BIT)
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/* Defines the valid values of the 'abi_drv_reset' hwinfo key */
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#define NFP_NSP_DRV_RESET_DISK 0
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#define NFP_NSP_DRV_RESET_ALWAYS 1
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#define NFP_NSP_DRV_RESET_NEVER 2
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#define NFP_NSP_DRV_RESET_DEFAULT "0"
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/* Defines the valid values of the 'app_fw_from_flash' hwinfo key */
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#define NFP_NSP_APP_FW_LOAD_DISK 0
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#define NFP_NSP_APP_FW_LOAD_FLASH 1
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#define NFP_NSP_APP_FW_LOAD_PREF 2
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#define NFP_NSP_APP_FW_LOAD_DEFAULT "2"
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/* Define the default value for the 'abi_drv_load_ifc' key */
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#define NFP_NSP_DRV_LOAD_IFC_DEFAULT "0x10ff"
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/**
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* struct nfp_eth_table - ETH table information
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* @count: number of table entries
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* @max_index: max of @index fields of all @ports
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* @ports: table of ports
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*
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* @ports.eth_index: port index according to legacy ethX numbering
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* @ports.index: chip-wide first channel index
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* @ports.nbi: NBI index
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* @ports.base: first channel index (within NBI)
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* @ports.lanes: number of channels
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* @ports.speed: interface speed (in Mbps)
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* @ports.interface: interface (module) plugged in
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* @ports.media: media type of the @interface
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* @ports.fec: forward error correction mode
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* @ports.aneg: auto negotiation mode
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* @ports.mac_addr: interface MAC address
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* @ports.label_port: port id
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* @ports.label_subport: id of interface within port (for split ports)
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* @ports.enabled: is enabled?
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* @ports.tx_enabled: is TX enabled?
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* @ports.rx_enabled: is RX enabled?
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* @ports.override_changed: is media reconfig pending?
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*
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* @ports.port_type: one of %PORT_* defines for ethtool
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* @ports.port_lanes: total number of lanes on the port (sum of lanes of all
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* subports)
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* @ports.is_split: is interface part of a split port
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* @ports.fec_modes_supported: bitmap of FEC modes supported
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*/
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struct nfp_eth_table {
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unsigned int count;
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unsigned int max_index;
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struct nfp_eth_table_port {
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unsigned int eth_index;
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unsigned int index;
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unsigned int nbi;
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unsigned int base;
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unsigned int lanes;
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unsigned int speed;
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unsigned int interface;
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enum nfp_eth_media media;
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enum nfp_eth_fec fec;
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enum nfp_eth_aneg aneg;
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u8 mac_addr[ETH_ALEN];
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u8 label_port;
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u8 label_subport;
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bool enabled;
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bool tx_enabled;
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bool rx_enabled;
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bool override_changed;
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/* Computed fields */
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u8 port_type;
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unsigned int port_lanes;
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bool is_split;
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unsigned int fec_modes_supported;
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} ports[];
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};
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struct nfp_eth_table *nfp_eth_read_ports(struct nfp_cpp *cpp);
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struct nfp_eth_table *
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__nfp_eth_read_ports(struct nfp_cpp *cpp, struct nfp_nsp *nsp);
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int nfp_eth_set_mod_enable(struct nfp_cpp *cpp, unsigned int idx, bool enable);
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int nfp_eth_set_configured(struct nfp_cpp *cpp, unsigned int idx,
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bool configed);
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int
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nfp_eth_set_fec(struct nfp_cpp *cpp, unsigned int idx, enum nfp_eth_fec mode);
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static inline bool nfp_eth_can_support_fec(struct nfp_eth_table_port *eth_port)
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{
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return !!eth_port->fec_modes_supported;
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}
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static inline unsigned int
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nfp_eth_supported_fec_modes(struct nfp_eth_table_port *eth_port)
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{
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return eth_port->fec_modes_supported;
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}
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struct nfp_nsp *nfp_eth_config_start(struct nfp_cpp *cpp, unsigned int idx);
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int nfp_eth_config_commit_end(struct nfp_nsp *nsp);
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void nfp_eth_config_cleanup_end(struct nfp_nsp *nsp);
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int __nfp_eth_set_aneg(struct nfp_nsp *nsp, enum nfp_eth_aneg mode);
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int __nfp_eth_set_speed(struct nfp_nsp *nsp, unsigned int speed);
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int __nfp_eth_set_split(struct nfp_nsp *nsp, unsigned int lanes);
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/**
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* struct nfp_nsp_identify - NSP static information
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* @version: opaque version string
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* @flags: version flags
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* @br_primary: branch id of primary bootloader
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* @br_secondary: branch id of secondary bootloader
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* @br_nsp: branch id of NSP
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* @primary: version of primarary bootloader
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* @secondary: version id of secondary bootloader
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* @nsp: version id of NSP
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* @sensor_mask: mask of present sensors available on NIC
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*/
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struct nfp_nsp_identify {
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char version[40];
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u8 flags;
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u8 br_primary;
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u8 br_secondary;
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u8 br_nsp;
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u16 primary;
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u16 secondary;
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u16 nsp;
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u64 sensor_mask;
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};
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struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp);
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enum nfp_nsp_sensor_id {
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NFP_SENSOR_CHIP_TEMPERATURE,
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NFP_SENSOR_ASSEMBLY_POWER,
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NFP_SENSOR_ASSEMBLY_12V_POWER,
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NFP_SENSOR_ASSEMBLY_3V3_POWER,
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};
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int nfp_hwmon_read_sensor(struct nfp_cpp *cpp, enum nfp_nsp_sensor_id id,
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long *val);
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#define NFP_NSP_VERSION_BUFSZ 1024 /* reasonable size, not in the ABI */
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enum nfp_nsp_versions {
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NFP_VERSIONS_BSP,
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NFP_VERSIONS_CPLD,
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NFP_VERSIONS_APP,
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NFP_VERSIONS_BUNDLE,
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NFP_VERSIONS_UNDI,
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NFP_VERSIONS_NCSI,
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NFP_VERSIONS_CFGR,
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};
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int nfp_nsp_versions(struct nfp_nsp *state, void *buf, unsigned int size);
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const char *nfp_nsp_versions_get(enum nfp_nsp_versions id, bool flash,
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const u8 *buf, unsigned int size);
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#endif
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