diff options
| -rw-r--r-- | Documentation/networking/devlink-info-versions.rst | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 41 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/reg.h | 55 |
3 files changed, 101 insertions, 0 deletions
diff --git a/Documentation/networking/devlink-info-versions.rst b/Documentation/networking/devlink-info-versions.rst index c79ad8593383..4316342b7746 100644 --- a/Documentation/networking/devlink-info-versions.rst +++ b/Documentation/networking/devlink-info-versions.rst @@ -41,3 +41,8 @@ fw.ncsi Version of the software responsible for supporting/handling the Network Controller Sideband Interface. + +fw.psid +======= + +Unique identifier of the firmware parameter set. diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 027e393c7cb2..c2fba5c7c9ee 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -934,6 +934,46 @@ mlxsw_devlink_sb_occ_tc_port_bind_get(struct devlink_port *devlink_port, pool_type, p_cur, p_max); } +static int +mlxsw_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req, + struct netlink_ext_ack *extack) +{ + struct mlxsw_core *mlxsw_core = devlink_priv(devlink); + char fw_info_psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE]; + u32 hw_rev, fw_major, fw_minor, fw_sub_minor; + char mgir_pl[MLXSW_REG_MGIR_LEN]; + char buf[32]; + int err; + + err = devlink_info_driver_name_put(req, + mlxsw_core->bus_info->device_kind); + if (err) + return err; + + mlxsw_reg_mgir_pack(mgir_pl); + err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(mgir), mgir_pl); + if (err) + return err; + mlxsw_reg_mgir_unpack(mgir_pl, &hw_rev, fw_info_psid, &fw_major, + &fw_minor, &fw_sub_minor); + + sprintf(buf, "%X", hw_rev); + err = devlink_info_version_fixed_put(req, "hw.revision", buf); + if (err) + return err; + + err = devlink_info_version_fixed_put(req, "fw.psid", fw_info_psid); + if (err) + return err; + + sprintf(buf, "%d.%d.%d", fw_major, fw_minor, fw_sub_minor); + err = devlink_info_version_running_put(req, "fw.version", buf); + if (err) + return err; + + return 0; +} + static int mlxsw_devlink_core_bus_device_reload(struct devlink *devlink, struct netlink_ext_ack *extack) { @@ -968,6 +1008,7 @@ static const struct devlink_ops mlxsw_devlink_ops = { .sb_occ_max_clear = mlxsw_devlink_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_devlink_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_devlink_sb_occ_tc_port_bind_get, + .info_get = mlxsw_devlink_info_get, }; static int diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index eb4c5e8964cd..e1ee7f4994db 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -8534,6 +8534,60 @@ static inline void mlxsw_reg_mpar_pack(char *payload, u8 local_port, mlxsw_reg_mpar_pa_id_set(payload, pa_id); } +/* MGIR - Management General Information Register + * ---------------------------------------------- + * MGIR register allows software to query the hardware and firmware general + * information. + */ +#define MLXSW_REG_MGIR_ID 0x9020 +#define MLXSW_REG_MGIR_LEN 0x9C + +MLXSW_REG_DEFINE(mgir, MLXSW_REG_MGIR_ID, MLXSW_REG_MGIR_LEN); + +/* reg_mgir_hw_info_device_hw_revision + * Access: RO + */ +MLXSW_ITEM32(reg, mgir, hw_info_device_hw_revision, 0x0, 16, 16); + +#define MLXSW_REG_MGIR_FW_INFO_PSID_SIZE 16 + +/* reg_mgir_fw_info_psid + * PSID (ASCII string). + * Access: RO + */ +MLXSW_ITEM_BUF(reg, mgir, fw_info_psid, 0x30, MLXSW_REG_MGIR_FW_INFO_PSID_SIZE); + +/* reg_mgir_fw_info_extended_major + * Access: RO + */ +MLXSW_ITEM32(reg, mgir, fw_info_extended_major, 0x44, 0, 32); + +/* reg_mgir_fw_info_extended_minor + * Access: RO + */ +MLXSW_ITEM32(reg, mgir, fw_info_extended_minor, 0x48, 0, 32); + +/* reg_mgir_fw_info_extended_sub_minor + * Access: RO + */ +MLXSW_ITEM32(reg, mgir, fw_info_extended_sub_minor, 0x4C, 0, 32); + +static inline void mlxsw_reg_mgir_pack(char *payload) +{ + MLXSW_REG_ZERO(mgir, payload); +} + +static inline void +mlxsw_reg_mgir_unpack(char *payload, u32 *hw_rev, char *fw_info_psid, + u32 *fw_major, u32 *fw_minor, u32 *fw_sub_minor) +{ + *hw_rev = mlxsw_reg_mgir_hw_info_device_hw_revision_get(payload); + mlxsw_reg_mgir_fw_info_psid_memcpy_from(payload, fw_info_psid); + *fw_major = mlxsw_reg_mgir_fw_info_extended_major_get(payload); + *fw_minor = mlxsw_reg_mgir_fw_info_extended_minor_get(payload); + *fw_sub_minor = mlxsw_reg_mgir_fw_info_extended_sub_minor_get(payload); +} + /* MRSR - Management Reset and Shutdown Register * --------------------------------------------- * MRSR register is used to reset or shutdown the switch or @@ -9958,6 +10012,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { MLXSW_REG(mcia), MLXSW_REG(mpat), MLXSW_REG(mpar), + MLXSW_REG(mgir), MLXSW_REG(mrsr), MLXSW_REG(mlcr), MLXSW_REG(mpsc), |