nvme-print: print Boot Partition Write Protection Config feature field

Print the fields of Boot Partition Write Protection Config feature.

Signed-off-by: Francis Pravin <[email protected]>

Author: francispravin5

nvme-print-json.c

@@ -3886,6 +3886,16 @@ static void json_feature_show_fields_fdp_events(struct json_object *r, unsigned
 	}
 }
 
+static void json_feature_show_fields_bpwp(struct json_object *r, unsigned int result)
+{
+	__u8 field;
+
+	field = NVME_FEAT_BPWPC_BP0WPS(result);
+	obj_add_str(r, "Boot Partition 0 Write Protection State", nvme_bpwps_to_string(field));
+	field = NVME_FEAT_BPWPC_BP1WPS(result);
+	obj_add_str(r, "Boot Partition 1 Write Protection State", nvme_bpwps_to_string(field));
+}
+
 static void json_feature_show(enum nvme_features_id fid, int sel, unsigned int result)
 {
 	struct json_object *r;
@@ -4022,6 +4032,9 @@ static void json_feature_show_fields(enum nvme_features_id fid, unsigned int res
 	case NVME_FEAT_FID_FDP_EVENTS:
 		json_feature_show_fields_fdp_events(r, result, buf);
 		break;
+	case NVME_FEAT_FID_BP_WRITE_PROTECT:
+		json_feature_show_fields_bpwp(r, result);
+		break;
 	default:
 		break;
 	}

nvme-print-stdout.c

@@ -5224,6 +5224,14 @@ static void stdout_feature_show_fields(enum nvme_features_id fid,
 			       d->evta & 0x1 ? "" : "Not ");
 		}
 		break;
+	case NVME_FEAT_FID_BP_WRITE_PROTECT:
+		field = NVME_FEAT_BPWPC_BP1WPS(result);
+		printf("\tBoot Partition 1 Write Protection State (BP1WPS): %s\n",
+			nvme_bpwps_to_string(field));
+		field = NVME_FEAT_BPWPC_BP0WPS(result);
+		printf("\tBoot Partition 0 Write Protection State (BP0WPS): %s\n",
+			nvme_bpwps_to_string(field));
+		break;
 	default:
 		break;
 	}

nvme-print.c

@@ -1202,6 +1202,24 @@ const char *nvme_ns_wp_cfg_to_string(enum nvme_ns_write_protect_cfg state)
 	}
 }
 
+const char *nvme_bpwps_to_string(__u8 bpwps)
+{
+	switch (bpwps) {
+	case NVME_FEAT_BPWPS_CHANGE_NOT_REQUESTED:
+		return "Change in state not requested";
+	case NVME_FEAT_BPWPS_WRITE_UNLOCKED:
+		return "Write Unlocked";
+	case NVME_FEAT_BPWPS_WRITE_LOCKED:
+		return "Write Locked";
+	case NVME_FEAT_BPWPS_WRITE_LOCKED_PWR_CYCLE:
+		return "Write Locked Until Power Cycle";
+	case NVME_FEAT_BPWPS_WRITE_PROTECTION_RPMB:
+		return "Write Protection controlled by RPMB";
+	default:
+		return "Reserved";
+	}
+}
+
 void nvme_directive_show(__u8 type, __u8 oper, __u16 spec, __u32 nsid, __u32 result,
 			 void *buf, __u32 len, nvme_print_flags_t flags)
 {

nvme-print.h

@@ -325,6 +325,7 @@ const char *nvme_pel_ehai_pit_to_string(enum nvme_pel_ehai_pit pit);
 const char *nvme_ssi_state_to_string(__u8 state);
 const char *nvme_time_scale_to_string(__u8 ts);
 const char *nvme_pls_mode_to_string(__u8 mode);
+const char *nvme_bpwps_to_string(__u8 bpwps);
 
 void nvme_dev_full_path(nvme_ns_t n, char *path, size_t len);
 void nvme_generic_full_path(nvme_ns_t n, char *path, size_t len);