[Xen-devel] [PATCH 09/24] golang/xenlight: define MsVmGenid builtin type

From: Nick Rosbrook <rosbrookn@gmail.com>
To: xen-devel@lists.xenproject.org
Cc: Nick Rosbrook <rosbrookn@ainfosec.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	kerriganb@ainfosec.com, George Dunlap <george.dunlap@citrix.com>,
	Wei Liu <wl@xen.org>
Subject: [Xen-devel] [PATCH 09/24] golang/xenlight: define MsVmGenid builtin type
Date: Mon,  7 Oct 2019 11:12:56 -0400	[thread overview]
Message-ID: <87f082bdf06e820e911256138a7380d0cf7019a2.1570456846.git.rosbrookn@ainfosec.com> (raw)
In-Reply-To: <cover.1570456846.git.rosbrookn@ainfosec.com>

From: Nick Rosbrook <rosbrookn@ainfosec.com>

Define MsVmGenid as [int(C.LIBXL_MS_VM_GENID_LEN)]byte and implement fromC and toC functions.

Signed-off-by: Nick Rosbrook <rosbrookn@ainfosec.com>
---
Cc: George Dunlap <george.dunlap@citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Wei Liu <wl@xen.org>

 tools/golang/xenlight/xenlight.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/tools/golang/xenlight/xenlight.go b/tools/golang/xenlight/xenlight.go
index 3b7824b284..6aca5b89c0 100644
--- a/tools/golang/xenlight/xenlight.go
+++ b/tools/golang/xenlight/xenlight.go
@@ -216,6 +216,29 @@ func (mac *Mac) toC() (C.libxl_mac, error) {
 	return cmac, nil
 }
 
+// MsVmGenid represents a libxl_ms_vm_genid.
+type MsVmGenid [int(C.LIBXL_MS_VM_GENID_LEN)]byte
+
+func (mvg *MsVmGenid) fromC(cmvg *C.libxl_ms_vm_genid) error {
+	b := (*[int(C.LIBXL_MS_VM_GENID_LEN)]C.uint8_t)(unsafe.Pointer(&cmvg.bytes[0]))
+
+	for i, v := range b {
+		mvg[i] = byte(v)
+	}
+
+	return nil
+}
+
+func (mvg *MsVmGenid) toC() (C.libxl_ms_vm_genid, error) {
+	var cmvg C.libxl_ms_vm_genid
+
+	for i, v := range mvg {
+		cmvg.bytes[i] = C.uint8_t(v)
+	}
+
+	return cmvg, nil
+}
+
 type Context struct {
 	ctx    *C.libxl_ctx
 	logger *C.xentoollog_logger_stdiostream
-- 
2.19.1


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