[PATCH] init-xenstore-domain: Add optional ramdisk argument.

* [PATCH] init-xenstore-domain: Add optional ramdisk argument.
@ 2014-07-07 21:52 James Bielman
  2014-07-09 15:52 ` Ian Campbell
  0 siblings, 1 reply; 4+ messages in thread
From: James Bielman @ 2014-07-07 21:52 UTC (permalink / raw)
  To: xen-devel; +Cc: James Bielman, Ian Jackson, Ian Campbell, Stefano Stabellini

- Added an optional argument to allow passing a ramdisk
  to the Xenstore domain built by init-xenstore-domain.
- This is needed for Xenstore/MAC to pass initial security
  policy.

Signed-off-by: James Bielman <jamesjb@galois.com>
---
 tools/xenstore/init-xenstore-domain.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/tools/xenstore/init-xenstore-domain.c b/tools/xenstore/init-xenstore-domain.c
index 56a3c72..0d12169 100644
--- a/tools/xenstore/init-xenstore-domain.c
+++ b/tools/xenstore/init-xenstore-domain.c
@@ -13,7 +13,7 @@
 
 static uint32_t domid = -1;
 
-static int build(xc_interface *xch, char** argv)
+static int build(xc_interface *xch, int argc, char** argv)
 {
 	char cmdline[512];
 	uint32_t ssid;
@@ -44,6 +44,12 @@ static int build(xc_interface *xch, char** argv)
 	dom = xc_dom_allocate(xch, cmdline, NULL);
 	rv = xc_dom_kernel_file(dom, argv[1]);
 	if (rv) goto err;
+
+	if (argc > 4) {
+		rv = xc_dom_ramdisk_file(dom, argv[4]);
+		if (rv) goto err;
+	}
+
 	rv = xc_dom_boot_xen_init(dom, xch, domid);
 	if (rv) goto err;
 	rv = xc_dom_parse_image(dom);
@@ -81,15 +87,15 @@ int main(int argc, char** argv)
 	char buf[16];
 	int rv, fd;
 
-	if (argc != 4) {
-		printf("Use: %s <xenstore-kernel> <memory_mb> <flask-label>\n", argv[0]);
+	if (argc < 4 || argc > 5) {
+		printf("Use: %s <xenstore-kernel> <memory_mb> <flask-label> [<ramdisk-file>]\n", argv[0]);
 		return 2;
 	}
 
 	xch = xc_interface_open(NULL, NULL, 0);
 	if (!xch) return 1;
 
-	rv = build(xch, argv);
+	rv = build(xch, argc, argv);
 
 	xc_interface_close(xch);
 
-- 
1.9.1

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