diff options
| author | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2024-01-31 10:24:47 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-02-02 14:20:26 +0100 |
| commit | 084e0452a42b1d4ccde601cc1873a4ee9d8a4cbb (patch) | |
| tree | 0f50ad4c5a85c029526d020b01a179fc1f2fb550 /drivers/net/wireless/intel/iwlwifi/fw/uefi.h | |
| parent | 3bc67e7c18cd69e88b801336cfe2a4dc7b4981a4 (diff) | |
wifi: iwlwifi: read WTAS table from UEFI
Try to read the WTAS table from UEFI first,
and if the WIFI UEFI tables are unlocked or the
table doesn't exist - try to read it from ACPI.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://msgid.link/20240131091413.45e6ff7b5063.Id3aec70887e14533b10d564f32c0cf5f2a14b792@changeid
[move uefi_tables_lock_status outside ifdef to fix build errors]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/uefi.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/uefi.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h index a2e6eb21de82..f849a485d0a9 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h @@ -16,6 +16,7 @@ #define IWL_UEFI_EWRD_NAME L"UefiCnvWlanEWRD" #define IWL_UEFI_WGDS_NAME L"UefiCnvWlanWGDS" #define IWL_UEFI_PPAG_NAME L"UefiCnvWlanPPAG" +#define IWL_UEFI_WTAS_NAME L"UefiCnvWlanWTAS" #define IWL_SGOM_MAP_SIZE 339 #define IWL_UATS_MAP_SIZE 339 @@ -25,6 +26,7 @@ #define IWL_UEFI_WGDS_REVISION 3 #define IWL_UEFI_MIN_PPAG_REV 1 #define IWL_UEFI_MAX_PPAG_REV 3 +#define IWL_UEFI_WTAS_REVISION 1 struct pnvm_sku_package { u8 rev; @@ -115,6 +117,19 @@ struct uefi_cnv_var_ppag { struct iwl_ppag_chain ppag_chains[IWL_NUM_CHAIN_LIMITS]; } __packed; +/* struct uefi_cnv_var_wtas - WTAS tabled as defined in UEFI + * @revision: the revision of the table + * @tas_selection: different options of TAS enablement. + * @black_list_size: the number of defined entried in the black list + * @black_list: a list of countries that are not allowed to use the TAS feature + */ +struct uefi_cnv_var_wtas { + u8 revision; + u32 tas_selection; + u8 black_list_size; + u16 black_list[IWL_WTAS_BLACK_LIST_MAX]; +} __packed; + /* * This is known to be broken on v4.19 and to work on v5.4. Until we * figure out why this is the case and how to make it work, simply @@ -133,6 +148,8 @@ int iwl_uefi_get_wrds_table(struct iwl_fw_runtime *fwrt); int iwl_uefi_get_ewrd_table(struct iwl_fw_runtime *fwrt); int iwl_uefi_get_wgds_table(struct iwl_fw_runtime *fwrt); int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt); +int iwl_uefi_get_tas_table(struct iwl_fw_runtime *fwrt, + struct iwl_tas_data *data); #else /* CONFIG_EFI */ static inline void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len) { @@ -183,6 +200,12 @@ static inline int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt) { return -ENOENT; } + +static inline int iwl_uefi_get_tas_table(struct iwl_fw_runtime *fwrt, + struct iwl_tas_data *data) +{ + return -ENOENT; +} #endif /* CONFIG_EFI */ #if defined(CONFIG_EFI) && defined(CONFIG_ACPI) |