Display GPU brand name

Add support and testing for reading the brand name associated with
a specific GPU (such as mi25, mi50, mi60, etc). The brand name is
associated with the SKU of the GPU, and some brand names can be
mapped from multiple different SKUs.

Change-Id: I36eb95ca8e72efdd294ccd684841195925dfe820
Signed-off-by: Ori Messinger <Ori.Messinger@amd.com>

src/rocm_smi.cc

@@ -45,6 +45,7 @@
 #include <errno.h>
 #include <sys/utsname.h>
 #include <pthread.h>
+#include <string.h>
 
 #include <sstream>
 #include <algorithm>
@@ -1421,6 +1422,44 @@ rsmi_dev_name_get(uint32_t dv_ind, char *name, size_t len) {
   CATCH
 }
 
+rsmi_status_t
+rsmi_dev_brand_get(uint32_t dv_ind, char *brand, size_t len) {
+  GET_DEV_FROM_INDX
+  // Return 'invalid args' if arguments are invalid
+  if (brand == nullptr || len == 0){
+    return RSMI_STATUS_INVALID_ARGS;
+  }
+  std::map<std::string, std::string> brand_names =
+  {
+    {"D05121", "mi25"},
+    {"D05131", "mi25"},
+    {"D05133", "mi25"},
+    {"D05151", "mi25"},
+    {"D16304", "mi50"},
+    {"D16302", "mi60"}
+  };
+  std::map<std::string, std::string>::iterator it;
+  std::string vbios_value;
+  std::string sku_value;
+  // Retrieve vbios and store in vbios_value string
+  int ret = dev->readDevInfo(amd::smi::kDevVBiosVer, &vbios_value);
+  if (ret != 0) {
+    return errno_to_rsmi_status(ret);
+  }
+  if (vbios_value.length() == 16) {
+    sku_value = vbios_value.substr(4,6);
+    // Find the brand name using sku_value
+    it = brand_names.find(sku_value);
+    if (it != brand_names.end()) {
+      strcpy(brand, it->second.c_str());
+      return RSMI_STATUS_SUCCESS;
+    }
+  }
+  // If there is no SKU match, return marketing name instead
+  rsmi_dev_name_get(dv_ind, brand, len);
+  return RSMI_STATUS_SUCCESS;
+}
+
 rsmi_status_t
 rsmi_dev_subsystem_name_get(uint32_t dv_ind, char *name, size_t len) {
   rsmi_status_t ret;