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