nvme-print: Add PEL EHAI port identifier type printf function

Change to use NVME_PEL_EHAI_PIT definitions.

Signed-off-by: Tokunori Ikegami <[email protected]>

nvme-print-stdout.c

@@ -230,15 +230,11 @@ static void stdout_persistent_event_log_rci(__le32 pel_header_rci)
 
 static void stdout_persistent_event_entry_ehai(__u8 ehai)
 {
-	__u8 rsvd1 = (ehai & 0xfc) >> 2;
-	__u8 pit = ehai & 0x03;
+	__u8 rsvd1 = NVME_PEL_EHAI_RSVD(ehai);
+	__u8 pit = NVME_PEL_EHAI_PIT(ehai);
 
 	printf("  [7:2] : %#x\tReserved\n", rsvd1);
-	printf("\tPort Identifier Type (PIT): %u(%s)\n", pit,
-		(pit == 0x00) ? "PIT not reported and PELPID does not apply" :
-		(pit == 0x01) ? "NVM subsystem port" :
-		(pit == 0x02) ? "NVMe-MI port" :
-		"Event not associated with any port and PELPID does not apply");
+	printf("\tPort Identifier Type (PIT): %u(%s)\n", pit, nvme_pel_ehai_pit_to_string(pit));
 }
 
 static void stdout_add_bitmap(int i, __u8 seb)

nvme-print.c

@@ -964,6 +964,23 @@ const char *nvme_pel_rci_rcpit_to_string(enum nvme_pel_rci_rcpit rcpit)
 	return "Reserved";
 }
 
+const char *nvme_pel_ehai_pit_to_string(enum nvme_pel_ehai_pit pit)
+{
+	switch (pit) {
+	case NVME_PEL_EHAI_PIT_NOT_REPORTED:
+		return "PIT not reported and PELPID does not apply";
+	case NVME_PEL_EHAI_PIT_NSS_PORT:
+		return "NVM subsystem port";
+	case NVME_PEL_EHAI_PIT_NMI_PORT:
+		return "NVMe-MI port";
+	case NVME_PEL_EHAI_PIT_NOT_ASSOCIATED:
+		return "Event not associated with any port and PELPID does not apply";
+	default:
+		break;
+	}
+	return "Reserved";
+}
+
 void nvme_feature_show(enum nvme_features_id fid, int sel, unsigned int result)
 {
 	nvme_print(show_feature, NORMAL, fid, sel, result);

nvme-print.h

@@ -303,6 +303,7 @@ const char *nvme_zone_type_to_string(__u8 cond);
 const char *nvme_plm_window_to_string(__u32 plm);
 const char *nvme_ns_wp_cfg_to_string(enum nvme_ns_write_protect_cfg state);
 const char *nvme_pel_rci_rcpit_to_string(enum nvme_pel_rci_rcpit rcpit);
+const char *nvme_pel_ehai_pit_to_string(enum nvme_pel_ehai_pit pit);
 
 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);