# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1259246980 0
# Node ID 2b5aafac93912b0ead8ce51d0595a905122398c0
# Parent 749b5d46e7a9ee2e23d23030f8d7fddb88cc8997
libxenlight: implement pause and unpause
this patch adds domain pause and unpause commands to xl, implementing
them using the already exiting functions libxl_domain_pause and
libxl_domain_unpause.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
tools/libxl/xl.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 95 insertions(+)
diff -r 749b5d46e7a9 -r 2b5aafac9391 tools/libxl/xl.c
--- a/tools/libxl/xl.c Thu Nov 26 13:51:16 2009 +0000
+++ b/tools/libxl/xl.c Thu Nov 26 14:49:40 2009 +0000
@@ -711,6 +711,8 @@ static void help(char *command)
printf(" pci-attach insert a new pass-through pci
device\n\n");
printf(" pci-detach remove a domain's pass-through
pci device\n\n");
printf(" pci-list list pass-through pci devices
for a domain\n\n");
+ printf(" pause pause execution of a
domain\n\n");
+ printf(" unpause unpause a paused domain\n\n");
} else if(!strcmp(command, "create")) {
printf("Usage: xl create <ConfigFile> [options] [vars]\n\n");
printf("Create a domain based on <ConfigFile>.\n\n");
@@ -729,6 +731,12 @@ static void help(char *command)
} else if(!strcmp(command, "pci-list")) {
printf("Usage: xl pci-list <Domain>\n\n");
printf("List pass-through pci devices for a domain.\n\n");
+ } else if(!strcmp(command, "pause")) {
+ printf("Usage: xl pause <Domain>\n\n");
+ printf("Pause execution of a domain.\n\n");
+ } else if(!strcmp(command, "unpause")) {
+ printf("Usage: xl unpause <Domain>\n\n");
+ printf("Unpause a paused domain.\n\n");
} else if(!strcmp(command, "destroy")) {
printf("Usage: xl destroy <Domain>\n\n");
printf("Terminate a domain immediately.\n\n");
@@ -881,6 +889,35 @@ int main_pciattach(int argc, char **argv
exit(0);
}
+void pause_domain(char *p)
+{
+ struct libxl_ctx ctx;
+ uint32_t domid;
+
+ libxl_ctx_init(&ctx);
+ libxl_ctx_set_log(&ctx, log_callback, NULL);
+
+ if (libxl_param_to_domid(&ctx, p, &domid) < 0) {
+ fprintf(stderr, "%s is an invalid domain identifier\n", p);
+ exit(2);
+ }
+ libxl_domain_pause(&ctx, domid);
+}
+
+void unpause_domain(char *p)
+{
+ struct libxl_ctx ctx;
+ uint32_t domid;
+
+ libxl_ctx_init(&ctx);
+ libxl_ctx_set_log(&ctx, log_callback, NULL);
+
+ if (libxl_param_to_domid(&ctx, p, &domid) < 0) {
+ fprintf(stderr, "%s is an invalid domain identifier\n", p);
+ exit(2);
+ }
+ libxl_domain_unpause(&ctx, domid);
+}
void destroy_domain(char *p)
{
@@ -930,6 +967,60 @@ void list_domains(void)
free(info);
}
+int main_pause(int argc, char **argv)
+{
+ int opt;
+ char *p;
+
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("pause");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc) {
+ help("pause");
+ exit(2);
+ }
+
+ p = argv[optind];
+
+ pause_domain(p);
+ exit(0);
+}
+
+int main_unpause(int argc, char **argv)
+{
+ int opt;
+ char *p;
+
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("unpause");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc) {
+ help("unpause");
+ exit(2);
+ }
+
+ p = argv[optind];
+
+ unpause_domain(p);
+ exit(0);
+}
+
int main_destroy(int argc, char **argv)
{
int opt;
@@ -1024,6 +1115,10 @@ int main(int argc, char **argv)
main_pcidetach(argc - 1, argv + 1);
} else if (!strcmp(argv[1], "pci-list")) {
main_pcilist(argc - 1, argv + 1);
+ } else if (!strcmp(argv[1], "pause")) {
+ main_pause(argc - 1, argv + 1);
+ } else if (!strcmp(argv[1], "unpause")) {
+ main_unpause(argc - 1, argv + 1);
} else if (!strcmp(argv[1], "help")) {
if (argc > 2)
help(argv[2]);
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