# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1264019779 0
# Node ID f300b53520d0b13696f6ca6669fff8ad54289817
# Parent 0edb75cd8126b9a463c829a763aafd1a5af1bb40
libxl, hvm: Add support to trigger power or sleep button events
Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
tools/libxl/libxl.c | 18 +++++++++++++++
tools/libxl/libxl.h | 10 +++++++-
tools/libxl/xl.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 88 insertions(+), 1 deletion(-)
diff -r 0edb75cd8126 -r f300b53520d0 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Wed Jan 20 20:34:19 2010 +0000
+++ b/tools/libxl/libxl.c Wed Jan 20 20:36:19 2010 +0000
@@ -2198,3 +2198,21 @@ int libxl_set_memory_target(struct libxl
rc = xc_domain_memory_set_pod_target(ctx->xch, domid, (target_memkb -
videoram) / 4, NULL, NULL, NULL);
return rc;
}
+
+int libxl_button_press(struct libxl_ctx *ctx, uint32_t domid, libxl_button
button)
+{
+ int rc = -1;
+
+ switch (button) {
+ case POWER_BUTTON:
+ rc = xc_domain_send_trigger(ctx->xch, domid,
XEN_DOMCTL_SENDTRIGGER_POWER, 0);
+ break;
+ case SLEEP_BUTTON:
+ rc = xc_domain_send_trigger(ctx->xch, domid,
XEN_DOMCTL_SENDTRIGGER_SLEEP, 0);
+ break;
+ default:
+ break;
+ }
+
+ return rc;
+}
diff -r 0edb75cd8126 -r f300b53520d0 tools/libxl/libxl.h
--- a/tools/libxl/libxl.h Wed Jan 20 20:34:19 2010 +0000
+++ b/tools/libxl/libxl.h Wed Jan 20 20:36:19 2010 +0000
@@ -353,4 +353,12 @@ int libxl_device_pci_init(libxl_device_p
unsigned int bus, unsigned int dev,
unsigned int func, unsigned int vdevfn);
-#endif
+typedef enum {
+ POWER_BUTTON,
+ SLEEP_BUTTON
+} libxl_button;
+
+int libxl_button_press(struct libxl_ctx *ctx, uint32_t domid, libxl_button
button);
+
+#endif /* LIBXL_H */
+
diff -r 0edb75cd8126 -r f300b53520d0 tools/libxl/xl.c
--- a/tools/libxl/xl.c Wed Jan 20 20:34:19 2010 +0000
+++ b/tools/libxl/xl.c Wed Jan 20 20:36:19 2010 +0000
@@ -931,6 +931,7 @@ static void help(char *command)
printf(" cd-insert insert a cdrom into a guest's
cd drive\n\n");
printf(" cd-eject eject a cdrom from a guest's cd
drive\n\n");
printf(" mem-set set the current memory usage
for a domain\n\n");
+ printf(" button-press indicate an ACPI button press
to the 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");
@@ -984,6 +985,10 @@ static void help(char *command)
} else if (!strcmp(command, "mem-set")) {
printf("Usage: xl mem-set <Domain> <MemKB>\n\n");
printf("Set the current memory usage for a domain.\n\n");
+ } else if (!strcmp(command, "button-press")) {
+ printf("Usage: xl button-press <Domain> <Button>\n\n");
+ printf("Indicate <Button> press to a domain.\n");
+ printf("<Button> may be 'power' or 'sleep'.\n\n");
}
}
@@ -1715,6 +1720,60 @@ int main_create(int argc, char **argv)
filename = argv[optind];
create_domain(debug, daemonize, filename, NULL, 0);
+ exit(0);
+}
+
+void button_press(char *p, char *b)
+{
+ struct libxl_ctx ctx;
+ uint32_t domid;
+ libxl_button button;
+
+ libxl_ctx_init(&ctx, LIBXL_VERSION);
+ libxl_ctx_set_log(&ctx, log_callback, NULL);
+
+ if (domain_qualifier_to_domid(&ctx, p, &domid) < 0) {
+ fprintf(stderr, "%s is an invalid domain identifier\n", p);
+ exit(2);
+ }
+
+ if (!strcmp(b, "power")) {
+ button = POWER_BUTTON;
+ } else if (!strcmp(b, "sleep")) {
+ button = SLEEP_BUTTON;
+ } else {
+ fprintf(stderr, "%s is an invalid button identifier\n", b);
+ exit(2);
+ }
+
+ libxl_button_press(&ctx, domid, button);
+}
+
+int main_button_press(int argc, char **argv)
+{
+ int opt;
+ char *p;
+ char *b;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("button-press");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc - 1) {
+ help("button-press");
+ exit(2);
+ }
+
+ p = argv[optind];
+ b = argv[optind + 1];
+
+ button_press(p, b);
exit(0);
}
@@ -1757,6 +1816,8 @@ int main(int argc, char **argv)
main_cd_eject(argc - 1, argv + 1);
} else if (!strcmp(argv[1], "mem-set")) {
main_memset(argc - 1, argv + 1);
+ } else if (!strcmp(argv[1], "button-press")) {
+ main_button_press(argc - 1, argv + 1);
} else if (!strcmp(argv[1], "help")) {
if (argc > 2)
help(argv[2]);
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