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_hwinfo_lookup_optional(struct nfp_nsp *state, void *buf, 26 unsigned int size, const char *default_val); 27 int nfp_nsp_hwinfo_set(struct nfp_nsp *state, void *buf, unsigned int size); 28 int nfp_nsp_fw_loaded(struct nfp_nsp *state); 29 int nfp_nsp_read_module_eeprom(struct nfp_nsp *state, int eth_index, 30 unsigned int offset, void *data, 31 unsigned int len, unsigned int *read_len); 32 33 static inline bool nfp_nsp_has_mac_reinit(struct nfp_nsp *state) 34 { 35 return nfp_nsp_get_abi_ver_minor(state) > 20; 36 } 37 38 static inline bool nfp_nsp_has_stored_fw_load(struct nfp_nsp *state) 39 { 40 return nfp_nsp_get_abi_ver_minor(state) > 23; 41 } 42 43 static inline bool nfp_nsp_has_hwinfo_lookup(struct nfp_nsp *state) 44 { 45 return nfp_nsp_get_abi_ver_minor(state) > 24; 46 } 47 48 static inline bool nfp_nsp_has_hwinfo_set(struct nfp_nsp *state) 49 { 50 return nfp_nsp_get_abi_ver_minor(state) > 25; 51 } 52 53 static inline bool nfp_nsp_has_fw_loaded(struct nfp_nsp *state) 54 { 55 return nfp_nsp_get_abi_ver_minor(state) > 25; 56 } 57 58 static inline bool nfp_nsp_has_versions(struct nfp_nsp *state) 59 { 60 return nfp_nsp_get_abi_ver_minor(state) > 27; 61 } 62 63 static inline bool nfp_nsp_has_read_module_eeprom(struct nfp_nsp *state) 64 { 65 return nfp_nsp_get_abi_ver_minor(state) > 28; 66 } 67 68 enum nfp_eth_interface { 69 NFP_INTERFACE_NONE = 0, 70 NFP_INTERFACE_SFP = 1, 71 NFP_INTERFACE_SFPP = 10, 72 NFP_INTERFACE_SFP28 = 28, 73 NFP_INTERFACE_QSFP = 40, 74 NFP_INTERFACE_RJ45 = 45, 75 NFP_INTERFACE_CXP = 100, 76 NFP_INTERFACE_QSFP28 = 112, 77 }; 78 79 enum nfp_eth_media { 80 NFP_MEDIA_DAC_PASSIVE = 0, 81 NFP_MEDIA_DAC_ACTIVE, 82 NFP_MEDIA_FIBRE, 83 }; 84 85 enum nfp_eth_aneg { 86 NFP_ANEG_AUTO = 0, 87 NFP_ANEG_SEARCH, 88 NFP_ANEG_25G_CONSORTIUM, 89 NFP_ANEG_25G_IEEE, 90 NFP_ANEG_DISABLED, 91 }; 92 93 enum nfp_eth_fec { 94 NFP_FEC_AUTO_BIT = 0, 95 NFP_FEC_BASER_BIT, 96 NFP_FEC_REED_SOLOMON_BIT, 97 NFP_FEC_DISABLED_BIT, 98 }; 99 100 #define NFP_FEC_AUTO BIT(NFP_FEC_AUTO_BIT) 101 #define NFP_FEC_BASER BIT(NFP_FEC_BASER_BIT) 102 #define NFP_FEC_REED_SOLOMON BIT(NFP_FEC_REED_SOLOMON_BIT) 103 #define NFP_FEC_DISABLED BIT(NFP_FEC_DISABLED_BIT) 104 105 /* Defines the valid values of the 'abi_drv_reset' hwinfo key */ 106 #define NFP_NSP_DRV_RESET_DISK 0 107 #define NFP_NSP_DRV_RESET_ALWAYS 1 108 #define NFP_NSP_DRV_RESET_NEVER 2 109 #define NFP_NSP_DRV_RESET_DEFAULT "0" 110 111 /* Defines the valid values of the 'app_fw_from_flash' hwinfo key */ 112 #define NFP_NSP_APP_FW_LOAD_DISK 0 113 #define NFP_NSP_APP_FW_LOAD_FLASH 1 114 #define NFP_NSP_APP_FW_LOAD_PREF 2 115 #define NFP_NSP_APP_FW_LOAD_DEFAULT "2" 116 117 /* Define the default value for the 'abi_drv_load_ifc' key */ 118 #define NFP_NSP_DRV_LOAD_IFC_DEFAULT "0x10ff" 119 120 /** 121 * struct nfp_eth_table - ETH table information 122 * @count: number of table entries 123 * @max_index: max of @index fields of all @ports 124 * @ports: table of ports 125 * 126 * @ports.eth_index: port index according to legacy ethX numbering 127 * @ports.index: chip-wide first channel index 128 * @ports.nbi: NBI index 129 * @ports.base: first channel index (within NBI) 130 * @ports.lanes: number of channels 131 * @ports.speed: interface speed (in Mbps) 132 * @ports.interface: interface (module) plugged in 133 * @ports.media: media type of the @interface 134 * @ports.fec: forward error correction mode 135 * @ports.aneg: auto negotiation mode 136 * @ports.mac_addr: interface MAC address 137 * @ports.label_port: port id 138 * @ports.label_subport: id of interface within port (for split ports) 139 * @ports.enabled: is enabled? 140 * @ports.tx_enabled: is TX enabled? 141 * @ports.rx_enabled: is RX enabled? 142 * @ports.override_changed: is media reconfig pending? 143 * 144 * @ports.port_type: one of %PORT_* defines for ethtool 145 * @ports.port_lanes: total number of lanes on the port (sum of lanes of all 146 * subports) 147 * @ports.is_split: is interface part of a split port 148 * @ports.fec_modes_supported: bitmap of FEC modes supported 149 */ 150 struct nfp_eth_table { 151 unsigned int count; 152 unsigned int max_index; 153 struct nfp_eth_table_port { 154 unsigned int eth_index; 155 unsigned int index; 156 unsigned int nbi; 157 unsigned int base; 158 unsigned int lanes; 159 unsigned int speed; 160 161 unsigned int interface; 162 enum nfp_eth_media media; 163 164 enum nfp_eth_fec fec; 165 enum nfp_eth_aneg aneg; 166 167 u8 mac_addr[ETH_ALEN]; 168 169 u8 label_port; 170 u8 label_subport; 171 172 bool enabled; 173 bool tx_enabled; 174 bool rx_enabled; 175 176 bool override_changed; 177 178 /* Computed fields */ 179 u8 port_type; 180 181 unsigned int port_lanes; 182 183 bool is_split; 184 185 unsigned int fec_modes_supported; 186 } ports[]; 187 }; 188 189 struct nfp_eth_table *nfp_eth_read_ports(struct nfp_cpp *cpp); 190 struct nfp_eth_table * 191 __nfp_eth_read_ports(struct nfp_cpp *cpp, struct nfp_nsp *nsp); 192 193 int nfp_eth_set_mod_enable(struct nfp_cpp *cpp, unsigned int idx, bool enable); 194 int nfp_eth_set_configured(struct nfp_cpp *cpp, unsigned int idx, 195 bool configed); 196 int 197 nfp_eth_set_fec(struct nfp_cpp *cpp, unsigned int idx, enum nfp_eth_fec mode); 198 199 static inline bool nfp_eth_can_support_fec(struct nfp_eth_table_port *eth_port) 200 { 201 return !!eth_port->fec_modes_supported; 202 } 203 204 static inline unsigned int 205 nfp_eth_supported_fec_modes(struct nfp_eth_table_port *eth_port) 206 { 207 return eth_port->fec_modes_supported; 208 } 209 210 struct nfp_nsp *nfp_eth_config_start(struct nfp_cpp *cpp, unsigned int idx); 211 int nfp_eth_config_commit_end(struct nfp_nsp *nsp); 212 void nfp_eth_config_cleanup_end(struct nfp_nsp *nsp); 213 214 int __nfp_eth_set_aneg(struct nfp_nsp *nsp, enum nfp_eth_aneg mode); 215 int __nfp_eth_set_speed(struct nfp_nsp *nsp, unsigned int speed); 216 int __nfp_eth_set_split(struct nfp_nsp *nsp, unsigned int lanes); 217 218 /** 219 * struct nfp_nsp_identify - NSP static information 220 * @version: opaque version string 221 * @flags: version flags 222 * @br_primary: branch id of primary bootloader 223 * @br_secondary: branch id of secondary bootloader 224 * @br_nsp: branch id of NSP 225 * @primary: version of primarary bootloader 226 * @secondary: version id of secondary bootloader 227 * @nsp: version id of NSP 228 * @sensor_mask: mask of present sensors available on NIC 229 */ 230 struct nfp_nsp_identify { 231 char version[40]; 232 u8 flags; 233 u8 br_primary; 234 u8 br_secondary; 235 u8 br_nsp; 236 u16 primary; 237 u16 secondary; 238 u16 nsp; 239 u64 sensor_mask; 240 }; 241 242 struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp); 243 244 enum nfp_nsp_sensor_id { 245 NFP_SENSOR_CHIP_TEMPERATURE, 246 NFP_SENSOR_ASSEMBLY_POWER, 247 NFP_SENSOR_ASSEMBLY_12V_POWER, 248 NFP_SENSOR_ASSEMBLY_3V3_POWER, 249 }; 250 251 int nfp_hwmon_read_sensor(struct nfp_cpp *cpp, enum nfp_nsp_sensor_id id, 252 long *val); 253 254 #define NFP_NSP_VERSION_BUFSZ 1024 /* reasonable size, not in the ABI */ 255 256 enum nfp_nsp_versions { 257 NFP_VERSIONS_BSP, 258 NFP_VERSIONS_CPLD, 259 NFP_VERSIONS_APP, 260 NFP_VERSIONS_BUNDLE, 261 NFP_VERSIONS_UNDI, 262 NFP_VERSIONS_NCSI, 263 NFP_VERSIONS_CFGR, 264 }; 265 266 int nfp_nsp_versions(struct nfp_nsp *state, void *buf, unsigned int size); 267 const char *nfp_nsp_versions_get(enum nfp_nsp_versions id, bool flash, 268 const u8 *buf, unsigned int size); 269 #endif 270