Implement rdc_device_get_component_version API related code

Implement an API to obtain the version information of the rdc calling component.
See rdc_component_t for details on available components.
It can be expanded later if necessary.

Change-Id: I03b48f774179c52c57b606704283add74ca39a02
Signed-off-by: Chen Gong <curry.gong@amd.com>

include/rdc/rdc.h

@@ -141,6 +141,11 @@ typedef enum { INTEGER = 0, DOUBLE, STRING, BLOB } rdc_field_type_t;
  */
 #define RDC_MAX_NUM_FIELD_GROUPS 64
 
+/**
+ * @brief The max string length occupied by version information
+ */
+#define RDC_MAX_VERSION_STR_LENGTH 60
+
 /**
  * These enums are used to specify a particular field to be retrieved.
  */
@@ -343,6 +348,13 @@ typedef struct {
   char device_name[RDC_MAX_STR_LENGTH];  //!< Name of the device.
 } rdc_device_attributes_t;
 
+/**
+ * @brief Store version information for each component
+ */
+typedef struct {
+  char version[RDC_MAX_VERSION_STR_LENGTH];
+} rdc_component_version_t;
+
 /**
  * @brief The structure to store the group info
  */
@@ -476,6 +488,14 @@ typedef enum {
   RDC_DIAG_TEST_LAST = RDC_DIAG_GPU_PARAMETERS
 } rdc_diag_test_cases_t;
 
+/**
+ * @brief Type of Components
+ */
+typedef enum {
+  RDC_AMDMSI_COMPONENT
+  //If needed later, add them one by one
+} rdc_component_t;
+
 /**
  * @brief The maximum test cases to run
  */
@@ -750,6 +770,21 @@ rdc_status_t rdc_device_get_all(rdc_handle_t p_rdc_handle,
 rdc_status_t rdc_device_get_attributes(rdc_handle_t p_rdc_handle, uint32_t gpu_index,
                                        rdc_device_attributes_t* p_rdc_attr);
 
+/**
+ *  @brief Get version information of components used by rdc.
+ *
+ *  @details Given a component type, return its version information.
+ *
+ *  @param[in] p_rdc_handle The RDC handler.
+ *
+ *  @param[in] component Type of Components. See rdc_component_t definition for details.
+ *
+ *  @param[out] p_rdc_compv Version information of the corresponding component.
+ *
+ *  @retval ::RDC_ST_OK is returned upon successful call.
+ */
+rdc_status_t rdc_device_get_component_version(rdc_handle_t p_rdc_handle, rdc_component_t component, rdc_component_version_t* p_rdc_compv);
+
 /**
  *  @brief Create a group contains multiple GPUs
  *

include/rdc_lib/RdcHandler.h

@@ -44,6 +44,7 @@ class RdcHandler {
                                           uint32_t* count) = 0;
   virtual rdc_status_t rdc_device_get_attributes(uint32_t gpu_index,
                                                  rdc_device_attributes_t* p_rdc_attr) = 0;
+  virtual rdc_status_t rdc_device_get_component_version(rdc_component_t component, rdc_component_version_t* p_rdc_compv) = 0;
 
   // Group API
   virtual rdc_status_t rdc_group_gpu_create(rdc_group_type_t type, const char* group_name,

include/rdc_lib/impl/RdcEmbeddedHandler.h

@@ -51,6 +51,7 @@ class RdcEmbeddedHandler final : public RdcHandler {
                                   uint32_t* count) override;
   rdc_status_t rdc_device_get_attributes(uint32_t gpu_index,
                                          rdc_device_attributes_t* p_rdc_attr) override;
+  rdc_status_t rdc_device_get_component_version(rdc_component_t component, rdc_component_version_t* p_rdc_compv) override;
 
   // Group API
   rdc_status_t rdc_group_gpu_create(rdc_group_type_t type, const char* group_name,

include/rdc_lib/impl/RdcStandaloneHandler.h

@@ -46,6 +46,7 @@ class RdcStandaloneHandler : public RdcHandler {
                                   uint32_t* count) override;
   rdc_status_t rdc_device_get_attributes(uint32_t gpu_index,
                                          rdc_device_attributes_t* p_rdc_attr) override;
+  rdc_status_t rdc_device_get_component_version(rdc_component_t component, rdc_component_version_t* p_rdc_compv) override;
 
   // Group RdcAPI
   rdc_status_t rdc_group_gpu_create(rdc_group_type_t type, const char* group_name,