[Xen-devel] [PATCH 7/9] xenstore: add init-xenstore-domain parameter to specify cmdline

[Juergen Gross <jgross@xxxxxxxx>]

Add a parameter to init-xenstore-domain for support of arbitrary
parameters for the xenstore domain.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 tools/xenstore/init-xenstore-domain.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/tools/xenstore/init-xenstore-domain.c 
b/tools/xenstore/init-xenstore-domain.c
index 0ca7eed..eedcf32 100644
--- a/tools/xenstore/init-xenstore-domain.c
+++ b/tools/xenstore/init-xenstore-domain.c
@@ -17,6 +17,7 @@ static uint32_t domid = -1;
 static char *kernel;
 static char *ramdisk;
 static char *flask;
+static char *param;
 static int memory;
 
 static struct option options[] = {
@@ -24,6 +25,7 @@ static struct option options[] = {
        { "memory", 1, NULL, 'm' },
        { "flask", 1, NULL, 'f' },
        { "ramdisk", 1, NULL, 'r' },
+       { "param", 1, NULL, 'p' },
        { NULL, 0, NULL, 0 }
 };
 
@@ -36,10 +38,11 @@ static void usage(void)
 "\n"
 "where options may include:\n"
 "\n"
-"  --kernel <xenstore-kernel>  kernel file of the xenstore domain, mandatory\n"
-"  --memory <memory size>      size of the domain in MB, mandatory\n"
-"  --flask <flask-label>       optional flask label of the domain\n"
-"  --ramdisk <ramdisk-file>    optional ramdisk file for the domain\n");
+"  --kernel <xenstore-kernel> kernel file of the xenstore domain, mandatory\n"
+"  --memory <memory size>     size of the domain in MB, mandatory\n"
+"  --flask <flask-label>      optional flask label of the domain\n"
+"  --ramdisk <ramdisk-file>   optional ramdisk file for the domain\n"
+"  --param <cmdline>          optional additional parameters for the 
domain\n");
 }
 
 static int build(xc_interface *xch)
@@ -93,7 +96,12 @@ static int build(xc_interface *xch)
                fprintf(stderr, "Xenbus setup ioctl failed\n");
                goto err;
        }
-       snprintf(cmdline, 512, "--event %d --internal-db", rv);
+
+       if (param)
+               snprintf(cmdline, 512, "--event %d --internal-db %s", rv,
+                        param);
+       else
+               snprintf(cmdline, 512, "--event %d --internal-db", rv);
 
        dom = xc_dom_allocate(xch, cmdline, NULL);
        rv = xc_dom_kernel_file(dom, kernel);
@@ -203,6 +211,9 @@ int main(int argc, char** argv)
                case 'r':
                        ramdisk = optarg;
                        break;
+               case 'p':
+                       param = optarg;
+                       break;
                }
        }
 
-- 
2.6.2


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