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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/uefi.h')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/uefi.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h
index d552c656ac9f..09d2a971b3a0 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h
@@ -7,6 +7,7 @@
#define IWL_UEFI_OEM_PNVM_NAME L"UefiCnvWlanOemSignedPnvm"
#define IWL_UEFI_REDUCED_POWER_NAME L"UefiCnvWlanReducedPower"
+#define IWL_UEFI_SGOM_NAME L"UefiCnvWlanSarGeoOffsetMapping"
/*
* TODO: we have these hardcoded values that the caller must pass,
@@ -16,6 +17,7 @@
*/
#define IWL_HARDCODED_PNVM_SIZE 4096
#define IWL_HARDCODED_REDUCE_POWER_SIZE 32768
+#define IWL_HARDCODED_SGOM_SIZE 339
struct pnvm_sku_package {
u8 rev;
@@ -25,6 +27,16 @@ struct pnvm_sku_package {
u8 data[];
} __packed;
+struct uefi_cnv_wlan_sgom_data {
+ u8 revision;
+ u8 offset_map[IWL_HARDCODED_SGOM_SIZE - 1];
+} __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
+ * disable the feature in old kernels.
+ */
#ifdef CONFIG_EFI
void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len);
void *iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len);
@@ -42,4 +54,12 @@ void *iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len)
}
#endif /* CONFIG_EFI */
+#if defined(CONFIG_EFI) && defined(CONFIG_ACPI)
+void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt);
+#else
+static inline
+void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt)
+{
+}
+#endif
#endif /* __iwl_fw_uefi__ */