igsc: lib: add igsc_image_oprom_code_devid_enforced()

Add igsc_image_oprom_code_devid_enforced() API. The function
checks whether the firmware enforce device id match on oprom
code partition.

Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>

include/igsc_lib.h

@@ -114,7 +114,7 @@ enum igsc_fwdata_version_compare_result {
 };
 
 /**
- * Structure to store OEM manufacturing data version and data major VCN 
+ * Structure to store OEM manufacturing data version and data major VCN
  * for GSC in-field data firmware update image
  */
 struct igsc_fwdata_version {
@@ -971,6 +971,18 @@ IGSC_EXPORT
 int igsc_image_oprom_has_2ids_extension(IN struct igsc_oprom_image *img,
                                         OUT bool *has_2ids_extension);
 
+/**
+ *  @brief returns whether the oprom code config has devId enforcement bit set
+ *
+ *  @param igsc_hw_config device hardware configuration.
+ *  @param devid_enforced true when devId is enforced, false otherwise
+ *
+ *  @return IGSC_SUCCESS if successful, otherwise error code.
+ */
+IGSC_EXPORT
+int igsc_image_oprom_code_devid_enforced(IN struct igsc_hw_config *hw_config,
+                                         OUT bool *devid_enforced);
+
 /**
  *  @brief release the OPROM image handle
  *

lib/igsc_lib.c

@@ -1702,6 +1702,22 @@ static int gsc_image_hw_config(const struct gsc_fwu_img_layout *layout,
     return IGSC_SUCCESS;
 }
 
+int igsc_image_oprom_code_devid_enforced(IN struct igsc_hw_config *hw_config, OUT bool *devid_enforced)
+{
+    struct gsc_hw_config_1 *hw_config_1;
+
+    if (!hw_config || !devid_enforced)
+    {
+        return IGSC_ERROR_INVALID_PARAMETER;
+    }
+
+    hw_config_1 = (struct gsc_hw_config_1 *)hw_config->blob;
+
+    *devid_enforced = (hw_config_1->oprom_code_devid_enforcement == 1);
+
+    return IGSC_SUCCESS;
+}
+
 int igsc_image_hw_config(IN  const uint8_t *buffer,
                          IN  uint32_t buffer_len,
                          OUT struct igsc_hw_config *hw_config)