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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 4/5] xl: add vsnd CLI commands
From: Oleksandr Grytsov <oleksandr_grytsov@xxxxxxxx>
Add CLI commands to attach, detach and list virtual sound devices
Signed-off-by: Oleksandr Grytsov <oleksandr_grytsov@xxxxxxxx>
---
tools/xl/Makefile | 2 +-
tools/xl/xl.h | 3 +
tools/xl/xl_cmdtable.c | 15 ++++
tools/xl/xl_vsnd.c | 203 +++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 222 insertions(+), 1 deletion(-)
create mode 100644 tools/xl/xl_vsnd.c
diff --git a/tools/xl/Makefile b/tools/xl/Makefile
index a5117ab..66bdbde 100644
--- a/tools/xl/Makefile
+++ b/tools/xl/Makefile
@@ -22,7 +22,7 @@ XL_OBJS += xl_vtpm.o xl_block.o xl_nic.o xl_usb.o
XL_OBJS += xl_sched.o xl_pci.o xl_vcpu.o xl_cdrom.o xl_mem.o
XL_OBJS += xl_info.o xl_console.o xl_misc.o
XL_OBJS += xl_vmcontrol.o xl_saverestore.o xl_migrate.o
-XL_OBJS += xl_vdispl.o
+XL_OBJS += xl_vdispl.o xl_vsnd.o
$(XL_OBJS): CFLAGS += $(CFLAGS_libxentoollog)
$(XL_OBJS): CFLAGS += $(CFLAGS_XL)
diff --git a/tools/xl/xl.h b/tools/xl/xl.h
index 31d660b..703caa6 100644
--- a/tools/xl/xl.h
+++ b/tools/xl/xl.h
@@ -170,6 +170,9 @@ int main_vtpmdetach(int argc, char **argv);
int main_vdisplattach(int argc, char **argv);
int main_vdispllist(int argc, char **argv);
int main_vdispldetach(int argc, char **argv);
+int main_vsndattach(int argc, char **argv);
+int main_vsndlist(int argc, char **argv);
+int main_vsnddetach(int argc, char **argv);
int main_usbctrl_attach(int argc, char **argv);
int main_usbctrl_detach(int argc, char **argv);
int main_usbdev_attach(int argc, char **argv);
diff --git a/tools/xl/xl_cmdtable.c b/tools/xl/xl_cmdtable.c
index c304a85..8e162ce 100644
--- a/tools/xl/xl_cmdtable.c
+++ b/tools/xl/xl_cmdtable.c
@@ -397,6 +397,21 @@ struct cmd_spec cmd_table[] = {
"Destroy a domain's virtual display device",
"<Domain> <DevId>",
},
+ { "vsnd-attach",
+ &main_vsndattach, 1, 1,
+ "Create a new virtual sound device",
+ "<Domain> <vsnd-spec-component(s)>...",
+ },
+ { "vsnd-list",
+ &main_vsndlist, 0, 0,
+ "List virtual display devices for a domain",
+ "<Domain(s)>",
+ },
+ { "vsnd-detach",
+ &main_vsnddetach, 0, 1,
+ "Destroy a domain's virtual sound device",
+ "<Domain> <DevId>",
+ },
{ "uptime",
&main_uptime, 0, 0,
"Print uptime for all/some domains",
diff --git a/tools/xl/xl_vsnd.c b/tools/xl/xl_vsnd.c
new file mode 100644
index 0000000..5e27a5d
--- /dev/null
+++ b/tools/xl/xl_vsnd.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2016 EPAM Systems Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only. with the special
+ * exception on linking described in file LICENSE.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ */
+
+#include <stdlib.h>
+
+#include <libxl.h>
+#include <libxl_utils.h>
+#include <libxlutil.h>
+
+#include "xl.h"
+#include "xl_utils.h"
+#include "xl_parse.h"
+
+int main_vsndattach(int argc, char **argv)
+{
+ int opt;
+ int rc;
+ uint32_t domid;
+ libxl_device_vsnd vsnd;
+
+ SWITCH_FOREACH_OPT(opt, "", NULL, "vsnd-attach", 2) {
+ /* No options */
+ }
+
+ libxl_device_vsnd_init(&vsnd);
+ domid = find_domain(argv[optind++]);
+
+ for (argv += optind, argc -= optind; argc > 0; ++argv, --argc) {
+ rc = parse_vsnd_item(&vsnd, *argv);
+ if (rc) goto out;
+ }
+
+ if (dryrun_only) {
+ char *json = libxl_device_vsnd_to_json(ctx, &vsnd);
+ printf("vsnd: %s\n", json);
+ free(json);
+ goto out;
+ }
+
+ if (libxl_device_vsnd_add(ctx, domid, &vsnd, 0)) {
+ fprintf(stderr, "libxl_device_vsnd_add failed.\n");
+ rc = ERROR_FAIL; goto out;
+ }
+
+ rc = 0;
+
+out:
+ libxl_device_vsnd_dispose(&vsnd);
+ return rc;
+}
+
+static void print_params(libxl_vsnd_params *params)
+{
+ int i;
+
+ if (params->channels_min) {
+ printf(", channels-min: %u", params->channels_min);
+ }
+
+ if (params->channels_max) {
+ printf(", channels-max: %u", params->channels_max);
+ }
+
+ if (params->buffer_size) {
+ printf(", buffer-size: %u", params->buffer_size);
+ }
+
+ if (params->num_sample_rates) {
+ printf(", sample-rates: ");
+ for (i = 0; i < params->num_sample_rates - 1; i++) {
+ printf("%u;", params->sample_rates[i]);
+ }
+ printf("%u", params->sample_rates[i]);
+ }
+
+ if (params->num_sample_formats) {
+ printf(", sample-formats: ");
+ for (i = 0; i < params->num_sample_formats - 1; i++) {
+ printf("%s;",
libxl_vsnd_pcm_format_to_string(params->sample_formats[i]));
+ }
+ printf("%s",
libxl_vsnd_pcm_format_to_string(params->sample_formats[i]));
+ }
+
+ printf("\n");
+}
+
+int main_vsndlist(int argc, char **argv)
+{
+ int opt;
+ int i, j, k, n;
+ libxl_device_vsnd *vsnds;
+ libxl_vsndinfo vsndinfo;
+
+ SWITCH_FOREACH_OPT(opt, "", NULL, "vsnd-list", 1) {
+ /* No options */
+ }
+
+ for (argv += optind, argc -= optind; argc > 0; --argc, ++argv) {
+ uint32_t domid;
+
+ if (libxl_domain_qualifier_to_domid(ctx, *argv, &domid) < 0) {
+ fprintf(stderr, "%s is an invalid domain identifier\n", *argv);
+ continue;
+ }
+
+ vsnds = libxl_device_vsnd_list(ctx, domid, &n);
+
+ if (!vsnds) continue;
+
+ for (i = 0; i < n; i++) {
+ libxl_vsndinfo_init(&vsndinfo);
+ if (libxl_device_vsnd_getinfo(ctx, domid, &vsnds[i],
+ &vsndinfo) == 0) {
+ printf("\ndevid: %d, be-domid: %d, handle: %d, state: %d, "
+ "be-path: %s, fe-path: %s\n",
+ vsndinfo.devid, vsndinfo.backend_id,
+ vsndinfo.frontend_id, vsndinfo.state,
+ vsndinfo.backend, vsndinfo.frontend);
+
+ printf("short-name: \"%s\", long-name: \"%s\"",
+ vsnds[i].short_name, vsnds[i].long_name);
+ print_params(&vsnds[i].params);
+
+ for (j = 0; j < vsndinfo.num_vsnd_pcms; j++) {
+ libxl_vsnd_pcm *pcm = &vsnds[i].pcms[j];
+
+ printf("\tpcm: %d, name: \"%s\"", j, pcm->name);
+ print_params(&pcm->params);
+
+ for(k = 0; k < vsnds[i].pcms[j].num_vsnd_streams; k++) {
+ libxl_vsnd_stream *stream =
&vsnds[i].pcms[j].streams[k];
+ libxl_streaminfo *info = &vsndinfo.pcms[j].streams[k];
+
+ printf("\t\tstream: %d, id: %u, type: %s",
+ k, stream->id,
+ libxl_vsnd_stream_type_to_string(stream->type));
+ print_params(&stream->params);
+ printf("\t\t\tevent-channel: %d, ring-ref: %d\n",
+ info->req_evtch, info->req_rref);
+ }
+ }
+ }
+ libxl_vsndinfo_dispose(&vsndinfo);
+ }
+ libxl_device_vsnd_list_free(vsnds, n);
+ }
+ return 0;
+}
+
+int main_vsnddetach(int argc, char **argv)
+{
+ uint32_t domid, devid;
+ int opt, rc;
+ libxl_device_vsnd vsnd;
+
+ SWITCH_FOREACH_OPT(opt, "", NULL, "vsnd-detach", 2) {
+ /* No options */
+ }
+
+ domid = find_domain(argv[optind++]);
+ devid = atoi(argv[optind++]);
+
+ libxl_device_vsnd_init(&vsnd);
+
+ if (libxl_devid_to_device_vsnd(ctx, domid, devid, &vsnd)) {
+ fprintf(stderr, "Error: Device %d not connected.\n", devid);
+ rc = ERROR_FAIL;
+ goto out;
+ }
+
+ rc = libxl_device_vsnd_remove(ctx, domid, &vsnd, 0);
+ if (rc) {
+ fprintf(stderr, "libxl_device_vsnd_remove failed.\n");
+ rc = ERROR_FAIL;
+ goto out;
+ }
+
+ rc = 0;
+
+out:
+ libxl_device_vsnd_dispose(&vsnd);
+ return rc;
+}
+
+
+/*
+ * Local variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
--
2.7.4
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