1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */ 3 4 #ifndef NSP_NSP_H 5 #define NSP_NSP_H 1 6 7 #include <linux/types.h> 8 #include <linux/if_ether.h> 9 10 struct firmware; 11 struct nfp_cpp; 12 struct nfp_nsp; 13 14 struct nfp_nsp *nfp_nsp_open(struct nfp_cpp *cpp); 15 void nfp_nsp_close(struct nfp_nsp *state); 16 u16 nfp_nsp_get_abi_ver_major(struct nfp_nsp *state); 17 u16 nfp_nsp_get_abi_ver_minor(struct nfp_nsp *state); 18 int nfp_nsp_wait(struct nfp_nsp *state); 19 int nfp_nsp_device_soft_reset(struct nfp_nsp *state); 20 int nfp_nsp_load_fw(struct nfp_nsp *state, const struct firmware *fw); 21 int nfp_nsp_write_flash(struct nfp_nsp *state, const struct firmware *fw); 22 int nfp_nsp_mac_reinit(struct nfp_nsp *state); 23 int nfp_nsp_load_stored_fw(struct nfp_nsp *state); 24 int nfp_nsp_hwinfo_lookup(struct nfp_nsp *state, void *buf, unsigned int size); 25 int nfp_nsp_read_module_eeprom(struct nfp_nsp *state, int eth_index, 26 unsigned int offset, void *data, 27 unsigned int len, unsigned int *read_len); 28 29 static inline bool nfp_nsp_has_mac_reinit(struct nfp_nsp *state) 30 { 31 return nfp_nsp_get_abi_ver_minor(state) > 20; 32 } 33 34 static inline bool nfp_nsp_has_stored_fw_load(struct nfp_nsp *state) 35 { 36 return nfp_nsp_get_abi_ver_minor(state) > 23; 37 } 38 39 static inline bool nfp_nsp_has_hwinfo_lookup(struct nfp_nsp *state) 40 { 41 return nfp_nsp_get_abi_ver_minor(state) > 24; 42 } 43 44 static inline bool nfp_nsp_has_versions(struct nfp_nsp *state) 45 { 46 return nfp_nsp_get_abi_ver_minor(state) > 27; 47 } 48 49 static inline bool nfp_nsp_has_read_module_eeprom(struct nfp_nsp *state) 50 { 51 return nfp_nsp_get_abi_ver_minor(state) > 28; 52 } 53 54 enum nfp_eth_interface { 55 NFP_INTERFACE_NONE = 0, 56 NFP_INTERFACE_SFP = 1, 57 NFP_INTERFACE_SFPP = 10, 58 NFP_INTERFACE_SFP28 = 28, 59 NFP_INTERFACE_QSFP = 40, 60 NFP_INTERFACE_RJ45 = 45, 61 NFP_INTERFACE_CXP = 100, 62 NFP_INTERFACE_QSFP28 = 112, 63 }; 64 65 enum nfp_eth_media { 66 NFP_MEDIA_DAC_PASSIVE = 0, 67 NFP_MEDIA_DAC_ACTIVE, 68 NFP_MEDIA_FIBRE, 69 }; 70 71 enum nfp_eth_aneg { 72 NFP_ANEG_AUTO = 0, 73 NFP_ANEG_SEARCH, 74 NFP_ANEG_25G_CONSORTIUM, 75 NFP_ANEG_25G_IEEE, 76 NFP_ANEG_DISABLED, 77 }; 78 79 enum nfp_eth_fec { 80 NFP_FEC_AUTO_BIT = 0, 81 NFP_FEC_BASER_BIT, 82 NFP_FEC_REED_SOLOMON_BIT, 83 NFP_FEC_DISABLED_BIT, 84 }; 85 86 #define NFP_FEC_AUTO BIT(NFP_FEC_AUTO_BIT) 87 #define NFP_FEC_BASER BIT(NFP_FEC_BASER_BIT) 88 #define NFP_FEC_REED_SOLOMON BIT(NFP_FEC_REED_SOLOMON_BIT) 89 #define NFP_FEC_DISABLED BIT(NFP_FEC_DISABLED_BIT) 90 91 /** 92 * struct nfp_eth_table - ETH table information 93 * @count: number of table entries 94 * @max_index: max of @index fields of all @ports 95 * @ports: table of ports 96 * 97 * @ports.eth_index: port index according to legacy ethX numbering 98 * @ports.index: chip-wide first channel index 99 * @ports.nbi: NBI index 100 * @ports.base: first channel index (within NBI) 101 * @ports.lanes: number of channels 102 * @ports.speed: interface speed (in Mbps) 103 * @ports.interface: interface (module) plugged in 104 * @ports.media: media type of the @interface 105 * @ports.fec: forward error correction mode 106 * @ports.aneg: auto negotiation mode 107 * @ports.mac_addr: interface MAC address 108 * @ports.label_port: port id 109 * @ports.label_subport: id of interface within port (for split ports) 110 * @ports.enabled: is enabled? 111 * @ports.tx_enabled: is TX enabled? 112 * @ports.rx_enabled: is RX enabled? 113 * @ports.override_changed: is media reconfig pending? 114 * 115 * @ports.port_type: one of %PORT_* defines for ethtool 116 * @ports.port_lanes: total number of lanes on the port (sum of lanes of all 117 * subports) 118 * @ports.is_split: is interface part of a split port 119 * @ports.fec_modes_supported: bitmap of FEC modes supported 120 */ 121 struct nfp_eth_table { 122 unsigned int count; 123 unsigned int max_index; 124 struct nfp_eth_table_port { 125 unsigned int eth_index; 126 unsigned int index; 127 unsigned int nbi; 128 unsigned int base; 129 unsigned int lanes; 130 unsigned int speed; 131 132 unsigned int interface; 133 enum nfp_eth_media media; 134 135 enum nfp_eth_fec fec; 136 enum nfp_eth_aneg aneg; 137 138 u8 mac_addr[ETH_ALEN]; 139 140 u8 label_port; 141 u8 label_subport; 142 143 bool enabled; 144 bool tx_enabled; 145 bool rx_enabled; 146 147 bool override_changed; 148 149 /* Computed fields */ 150 u8 port_type; 151 152 unsigned int port_lanes; 153 154 bool is_split; 155 156 unsigned int fec_modes_supported; 157 } ports[0]; 158 }; 159 160 struct nfp_eth_table *nfp_eth_read_ports(struct nfp_cpp *cpp); 161 struct nfp_eth_table * 162 __nfp_eth_read_ports(struct nfp_cpp *cpp, struct nfp_nsp *nsp); 163 164 int nfp_eth_set_mod_enable(struct nfp_cpp *cpp, unsigned int idx, bool enable); 165 int nfp_eth_set_configured(struct nfp_cpp *cpp, unsigned int idx, 166 bool configed); 167 int 168 nfp_eth_set_fec(struct nfp_cpp *cpp, unsigned int idx, enum nfp_eth_fec mode); 169 170 static inline bool nfp_eth_can_support_fec(struct nfp_eth_table_port *eth_port) 171 { 172 return !!eth_port->fec_modes_supported; 173 } 174 175 static inline unsigned int 176 nfp_eth_supported_fec_modes(struct nfp_eth_table_port *eth_port) 177 { 178 return eth_port->fec_modes_supported; 179 } 180 181 struct nfp_nsp *nfp_eth_config_start(struct nfp_cpp *cpp, unsigned int idx); 182 int nfp_eth_config_commit_end(struct nfp_nsp *nsp); 183 void nfp_eth_config_cleanup_end(struct nfp_nsp *nsp); 184 185 int __nfp_eth_set_aneg(struct nfp_nsp *nsp, enum nfp_eth_aneg mode); 186 int __nfp_eth_set_speed(struct nfp_nsp *nsp, unsigned int speed); 187 int __nfp_eth_set_split(struct nfp_nsp *nsp, unsigned int lanes); 188 189 /** 190 * struct nfp_nsp_identify - NSP static information 191 * @version: opaque version string 192 * @flags: version flags 193 * @br_primary: branch id of primary bootloader 194 * @br_secondary: branch id of secondary bootloader 195 * @br_nsp: branch id of NSP 196 * @primary: version of primarary bootloader 197 * @secondary: version id of secondary bootloader 198 * @nsp: version id of NSP 199 * @sensor_mask: mask of present sensors available on NIC 200 */ 201 struct nfp_nsp_identify { 202 char version[40]; 203 u8 flags; 204 u8 br_primary; 205 u8 br_secondary; 206 u8 br_nsp; 207 u16 primary; 208 u16 secondary; 209 u16 nsp; 210 u64 sensor_mask; 211 }; 212 213 struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp); 214 215 enum nfp_nsp_sensor_id { 216 NFP_SENSOR_CHIP_TEMPERATURE, 217 NFP_SENSOR_ASSEMBLY_POWER, 218 NFP_SENSOR_ASSEMBLY_12V_POWER, 219 NFP_SENSOR_ASSEMBLY_3V3_POWER, 220 }; 221 222 int nfp_hwmon_read_sensor(struct nfp_cpp *cpp, enum nfp_nsp_sensor_id id, 223 long *val); 224 225 #define NFP_NSP_VERSION_BUFSZ 1024 /* reasonable size, not in the ABI */ 226 227 enum nfp_nsp_versions { 228 NFP_VERSIONS_BSP, 229 NFP_VERSIONS_CPLD, 230 NFP_VERSIONS_APP, 231 NFP_VERSIONS_BUNDLE, 232 NFP_VERSIONS_UNDI, 233 NFP_VERSIONS_NCSI, 234 NFP_VERSIONS_CFGR, 235 }; 236 237 int nfp_nsp_versions(struct nfp_nsp *state, void *buf, unsigned int size); 238 const char *nfp_nsp_versions_get(enum nfp_nsp_versions id, bool flash, 239 const u8 *buf, unsigned int size); 240 #endif 241