nvme-print: show feat fields for FID = {0x17,0x12} and refactoring

Showing Sanitize Config (FID = 0x17) and Read Recovery Level
Config (RRL) (FID = 0x12) feature fields. Refactor the FID = 0x0
and non-defined/reserved FIDs response.

Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>

diff --git a/nvme-print.c b/nvme-print.c
index 512edb43913db138a648406300f1f5fd90311cfd..8340b3253f1a8ce372fe0daa090def66b007b142 100755 (executable)
--- a/nvme-print.c
+++ b/nvme-print.c
@@ -4748,7 +4748,7 @@ void nvme_show_sanitize_log(struct nvme_sanitize_log_page *sanitize,
 const char *nvme_feature_to_string(enum nvme_feat feature)
 {
        switch (feature) {
-       case NVME_FEAT_NONE:            return "None";
+       case NVME_FEAT_NONE:            return "Reserved";
        case NVME_FEAT_ARBITRATION:     return "Arbitration";
        case NVME_FEAT_POWER_MGMT:      return "Power Management";
        case NVME_FEAT_LBA_RANGE:       return "LBA Range Type";
@@ -5283,6 +5283,9 @@ void nvme_feature_show_fields(enum nvme_feat fid, unsigned int result, unsigned
        uint64_t ull;
 
        switch (fid) {
+      case NVME_FEAT_NONE:
+              printf("\tFeature Identifier Reserved\n");
+              break;
        case NVME_FEAT_ARBITRATION:
                printf("\tHigh Priority Weight   (HPW): %u\n", ((result & 0xff000000) >> 24) + 1);
                printf("\tMedium Priority Weight (MPW): %u\n", ((result & 0x00ff0000) >> 16) + 1);
@@ -5401,10 +5404,11 @@ void nvme_feature_show_fields(enum nvme_feat fid, unsigned int result, unsigned
        case NVME_FEAT_HOST_BEHAVIOR:
                printf("\tHost Behavior Support: %s\n", (buf[0] & 0x1) ? "True" : "False");
                break;
-       case NVME_FEAT_NONE:
        case NVME_FEAT_SANITIZE:
+                printf("\tNo-Deallocate Response Mode (NODRM) : %u\n", result & 0x1);
+                break;
        case NVME_FEAT_RRL:
-               printf("\t%s: to be implemented\n", nvme_feature_to_string(fid));
+               printf("\tRead Recovery Level (RRL): %u\n", result & 0xf);
                break;
        }
 }