From: Vadim Pasternak Date: Mon, 11 Apr 2022 14:46:54 +0000 (+0300) Subject: mlxsw: reg: Extend PMMP register with new slot number field X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7cb85d3c696ef16405db354c8ef00ea9c666fba8;p=linux.git mlxsw: reg: Extend PMMP register with new slot number field Extend PMMP (Port Module Memory Map Properties Register) with new field specifying the slot number. The purpose of this field is to enable overriding the cable/module memory map advertisement. For non-modular systems the 'module' number uniquely identifies the transceiver location. For modular systems the transceivers are identified by two indexes: - 'slot_index', specifying the slot number, where line card is located; - 'module', specifying cage transceiver within the line card. Signed-off-by: Vadim Pasternak Signed-off-by: Ido Schimmel Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_env.c b/drivers/net/ethernet/mellanox/mlxsw/core_env.c index 602f0738deabf..8cee3e317a5bc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_env.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_env.c @@ -563,7 +563,7 @@ static int mlxsw_env_module_low_power_set(struct mlxsw_core *mlxsw_core, u16 eeprom_override_mask, eeprom_override; char pmmp_pl[MLXSW_REG_PMMP_LEN]; - mlxsw_reg_pmmp_pack(pmmp_pl, module); + mlxsw_reg_pmmp_pack(pmmp_pl, 0, module); mlxsw_reg_pmmp_sticky_set(pmmp_pl, true); /* Mask all the bits except low power mode. */ eeprom_override_mask = ~MLXSW_REG_PMMP_EEPROM_OVERRIDE_LOW_POWER_MASK; diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 3695f8c7d1431..5bf8ad32cb8ef 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -5984,6 +5984,12 @@ MLXSW_REG_DEFINE(pmmp, MLXSW_REG_PMMP_ID, MLXSW_REG_PMMP_LEN); */ MLXSW_ITEM32(reg, pmmp, module, 0x00, 16, 8); +/* reg_pmmp_slot_index + * Slot index. + * Access: Index + */ +MLXSW_ITEM32(reg, pmmp, slot_index, 0x00, 24, 4); + /* reg_pmmp_sticky * When set, will keep eeprom_override values after plug-out event. * Access: OP @@ -6011,9 +6017,10 @@ enum { */ MLXSW_ITEM32(reg, pmmp, eeprom_override, 0x04, 0, 16); -static inline void mlxsw_reg_pmmp_pack(char *payload, u8 module) +static inline void mlxsw_reg_pmmp_pack(char *payload, u8 slot_index, u8 module) { MLXSW_REG_ZERO(pmmp, payload); + mlxsw_reg_pmmp_slot_index_set(payload, slot_index); mlxsw_reg_pmmp_module_set(payload, module); }