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

[James Bielman <jamesjb@xxxxxxxxxx>]

- 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@xxxxxxxxxx>
---
 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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