[PATCH 2/4] uefi: uefidump: add the SAS Ex subtype-22 support on messaging device path type for uefidump(LP: #1255387)

[Ivan Hu]

Add the SAS Ex subtype 22 support on messaging device path follow the section 9.3.5.20 on UEFI spec2.4.

Signed-off-by: Ivan Hu <ivan.hu at canonical.com>
---
 src/lib/include/fwts_uefi.h  |   13 +++++++++++--
 src/uefi/uefidump/uefidump.c |    7 +++++++
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/lib/include/fwts_uefi.h b/src/lib/include/fwts_uefi.h
index 84735c2..c83df33 100644
--- a/src/lib/include/fwts_uefi.h
+++ b/src/lib/include/fwts_uefi.h
@@ -208,8 +208,8 @@ typedef enum {
 	FWTS_UEFI_LOGICAL_UNIT_DEVICE_PATH_SUBTYPE =	(0x11),
 	FWTS_UEFI_SATA_DEVICE_PATH_SUBTYPE = 		(0x12),
 	FWTS_UEFI_VLAN_DEVICE_PATH_SUBTYPE = 		(0x14),
-	FWTS_UEFI_FIBRE_CHANNEL_EX_DEVICE_PATH_SUBTYPE = (0x15)
-
+	FWTS_UEFI_FIBRE_CHANNEL_EX_DEVICE_PATH_SUBTYPE = (0x15),
+	FWTS_UEFI_SAS_EX_DEVICE_PATH_SUBTYPE =		(0x16)
 } messaging_dev_path_subtypes;
 
 typedef enum {
@@ -408,6 +408,15 @@ typedef struct {
 	uint16_t vlanid;
 } fwts_uefi_vlan_dev_path;
 
+
+typedef struct {
+	fwts_uefi_dev_path dev_path;
+	uint64_t sas_addr;
+	uint64_t lun;
+	uint16_t dev_topology_info;
+	uint16_t rtp;
+} __attribute__((packed)) fwts_uefi_sas_ex_dev_path;
+
 typedef struct {
 	fwts_uefi_dev_path dev_path;
 	uint32_t partition_number;
diff --git a/src/uefi/uefidump/uefidump.c b/src/uefi/uefidump/uefidump.c
index b39841b..1be5d60 100644
--- a/src/uefi/uefidump/uefidump.c
+++ b/src/uefi/uefidump/uefidump.c
@@ -384,6 +384,13 @@ static char *uefidump_build_dev_path(char *path, fwts_uefi_dev_path *dev_path, c
 				path = uefidump_vprintf(path, "\\DEVICELOGICALUNIT(0x%" PRIx8 ")", l->lun);
 			}
 			break;
+		case FWTS_UEFI_SAS_EX_DEVICE_PATH_SUBTYPE:
+			if (dev_path_len >= sizeof(fwts_uefi_sas_ex_dev_path)) {
+				fwts_uefi_sas_ex_dev_path *s = (fwts_uefi_sas_ex_dev_path *)dev_path;
+				path = uefidump_vprintf(path, "\\SASEX(0x%" PRIx64 ",0x%" PRIx64 ",0x%" PRIx16 ",0x%" PRIx16 ")",
+					s->sas_addr, s->lun, s->dev_topology_info, s->rtp);
+			}
+			break;
 		default:
 			path = uefidump_vprintf(path, "\\Unknown-MESSAGING-DEV-PATH(0x%" PRIx8 ")", dev_path->subtype);
 			break;
-- 
1.7.9.5