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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Embedded-pv-devel] [PATCH RFC 2/6] libxl: implementation of PV audio device interface
From: Pavlo Suikov <pavlo.suikov@xxxxxxxxxxxxxxx>
PV Audio device interface is implemented in libxl and xl with
full support for device control
Signed-off-by: Pavlo Suikov <pavlo.suikov@xxxxxxxxxxxxxxx>
Signed-off-by: Glib Golubytskyi <glib.golubytskyi@xxxxxxxxxxxxxxx>
Signed-off-by: Iurii Konovalenko <iurii.konovalenko@xxxxxxxxxxxxxxx>
---
tools/libxl/libxl.c | 351 ++++++++++++++++++++++++++++++++++-
tools/libxl/libxl.h | 16 ++
tools/libxl/libxl_create.c | 39 +++-
tools/libxl/libxl_device.c | 2 +
tools/libxl/libxl_internal.c | 4 +
tools/libxl/libxl_internal.h | 20 +-
tools/libxl/libxl_types.idl | 32 ++++
tools/libxl/libxl_types_internal.idl | 1 +
tools/libxl/libxl_utils.h | 3 +
tools/libxl/xl.h | 3 +
tools/libxl/xl_cmdimpl.c | 229 ++++++++++++++++++++++-
tools/libxl/xl_cmdtable.c | 20 ++
12 files changed, 715 insertions(+), 5 deletions(-)
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 09c4bc7..d96172d 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -2593,7 +2593,344 @@ exit:
return rc;
}
+/******************************************************************************/
+
+int libxl__device_vsnd_setdefault(libxl__gc *gc, libxl_device_vsnd *vsnd)
+{
+ int rc;
+
+ rc = libxl__resolve_domid(gc, vsnd->backend_domname, &vsnd->backend_domid);
+
+ return rc;
+}
+
+static int libxl__device_from_vsnd(libxl__gc *gc, uint32_t domid,
libxl_device_vsnd *vsnd, libxl__device *device)
+{
+ device->backend_devid = vsnd->devid;
+ device->backend_domid = vsnd->backend_domid;
+ device->backend_kind = LIBXL__DEVICE_KIND_VSND;
+ device->devid = vsnd->devid;
+ device->domid = domid;
+ device->kind = LIBXL__DEVICE_KIND_VSND;
+
+ return 0;
+}
+
+static int libxl__device_vsnd_from_xs_be(libxl__gc *gc,
+ const char *be_path,
+ libxl_device_vsnd *vsnd)
+{
+ const char *tmp;
+ int rc;
+
+ libxl_device_vsnd_init(vsnd);
+
+ tmp = READ_BACKEND(gc, "device-id");
+ if (tmp)
+ vsnd->devid = atoi(tmp);
+ else
+ vsnd->devid = 0;
+
+ vsnd->short_name = READ_BACKEND(gc, "short-name");
+ vsnd->long_name = READ_BACKEND(gc, "long-name");
+ vsnd->sample_formats = READ_BACKEND(gc, "sample-formats");
+ vsnd->rates = READ_BACKEND(gc, "rates");
+
+ tmp = READ_BACKEND(gc, "channels-min");
+ if (tmp)
+ vsnd->channels_min = atoi(tmp);
+ else
+ vsnd->channels_min = 0;
+
+ tmp = READ_BACKEND(gc, "channels-max");
+ if (tmp)
+ vsnd->channels_max = atoi(tmp);
+ else
+ vsnd->channels_max = 0;
+
+ tmp = READ_BACKEND(gc, "priority");
+ if (tmp)
+ vsnd->priority = atoi(tmp);
+ else
+ vsnd->priority = 0;
+
+ vsnd->slave_device = READ_BACKEND(gc, "slave-device");
+
+ rc = 0;
+ out:
+ return rc;
+}
+
+int libxl_devid_to_device_vsnd(libxl_ctx *ctx, uint32_t domid,
+ int devid, libxl_device_vsnd *vsnd)
+{
+ GC_INIT(ctx);
+ char *dompath, *path;
+ int rc = ERROR_FAIL;
+
+ libxl_device_vsnd_init(vsnd);
+ dompath = libxl__xs_get_dompath(gc, domid);
+ if (!dompath)
+ goto out;
+
+ path = libxl__xs_read(gc, XBT_NULL,
+ libxl__sprintf(gc, "%s/device/vsnd/%d/backend",
+ dompath, devid));
+ if (!path)
+ goto out;
+
+ rc = libxl__device_vsnd_from_xs_be(gc, path, vsnd);
+ if (rc) goto out;
+
+ rc = 0;
+out:
+ GC_FREE;
+ return rc;
+}
+
+
+void libxl__device_vsnd_add(libxl__egc *egc, uint32_t domid, libxl_device_vsnd
*vsnd, libxl__ao_device *aodev)
+{
+ STATE_AO_GC(aodev->ao);
+ flexarray_t *front;
+ flexarray_t *back;
+ libxl__device *device;
+ int rc;
+ xs_transaction_t t = XBT_NULL;
+ libxl_domain_config d_config;
+ libxl_device_vsnd vsnd_saved;
+ libxl__domain_userdata_lock *lock = NULL;
+
+ libxl_domain_config_init(&d_config);
+ libxl_device_vsnd_init(&vsnd_saved);
+ libxl_device_vsnd_copy(CTX, &vsnd_saved, vsnd);
+
+ rc = libxl__device_vsnd_setdefault(gc, vsnd);
+ if (rc) goto out;
+
+ front = flexarray_make(gc, 32, 1);
+ back = flexarray_make(gc, 32, 1);
+ if (vsnd->devid == -1) {
+ if ((vsnd->devid = libxl__device_nextid(gc, domid, "vsnd")) < 0) {
+ rc = ERROR_FAIL;
+ goto out;
+ }
+ }
+
+ libxl__update_config_vsnd(gc, &vsnd_saved, vsnd);
+
+ GCNEW(device);
+ rc = libxl__device_from_vsnd(gc, domid, vsnd, device);
+ if ( rc != 0 ) goto out;
+
+ flexarray_append(back, "DomD");
+ flexarray_append(back, "1");
+ flexarray_append(back, "DomU");
+ flexarray_append(back, "2");
+ flexarray_append(back, "device-id");
+ flexarray_append(back, GCSPRINTF("%d", vsnd->devid));
+ flexarray_append(back, "short-name");
+ flexarray_append(back, vsnd->short_name);
+ flexarray_append(back, "long-name");
+ flexarray_append(back, vsnd->long_name);
+ flexarray_append(back, "sample-formats");
+ flexarray_append(back, vsnd->sample_formats);
+ flexarray_append(back, "rates");
+ flexarray_append(back, vsnd->rates);
+ flexarray_append(back, "channels-min");
+ flexarray_append(back, GCSPRINTF("%d", vsnd->channels_min));
+ flexarray_append(back, "channels-max");
+ flexarray_append(back, GCSPRINTF("%d", vsnd->channels_max));
+ flexarray_append(back, "priority");
+ flexarray_append(back, GCSPRINTF("%d", vsnd->priority));
+ flexarray_append(back, "frontend-id");
+ flexarray_append(back, GCSPRINTF("%d", domid));
+ flexarray_append(back, "online");
+ flexarray_append(back, "1");
+ flexarray_append(back, "state");
+ flexarray_append(back, GCSPRINTF("%d", 1));
+ flexarray_append(back, "slave-device");
+ flexarray_append(back, vsnd->slave_device);
+
+ flexarray_append(front, "device-id");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->devid));
+ flexarray_append(front, "backend-id");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->backend_domid));
+ flexarray_append(front, "state");
+ flexarray_append(front, GCSPRINTF("%d", 1));
+ flexarray_append(front, "alsa-card-id");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->alsa_card_id));
+ flexarray_append(front, "short-name");
+ flexarray_append(front, vsnd->short_name);
+ flexarray_append(front, "long-name");
+ flexarray_append(front, vsnd->long_name);
+ flexarray_append(front, "sample-formats");
+ flexarray_append(front, vsnd->sample_formats);
+ flexarray_append(front, "rates");
+ flexarray_append(front, vsnd->rates);
+ flexarray_append(front, "channels-min");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->channels_min));
+ flexarray_append(front, "channels-max");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->channels_max));
+ flexarray_append(front, "buffer-bytes-max");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->buffer_bytes_max));
+ flexarray_append(front, "period-bytes-min");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->period_bytes_min));
+ flexarray_append(front, "period-bytes-max");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->period_bytes_max));
+ flexarray_append(front, "period-min");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->period_min));
+ flexarray_append(front, "period-max");
+ flexarray_append(front, GCSPRINTF("%d", vsnd->period_max));
+
+ if (aodev->update_json) {
+ lock = libxl__lock_domain_userdata(gc, domid);
+ if (!lock) {
+ rc = ERROR_LOCK_FAIL;
+ goto out;
+ }
+
+ rc = libxl__get_domain_configuration(gc, domid, &d_config);
+ LOG(INFO, "aodev updates JSON, libxl__get_domain_configuration
returned %d", rc);
+ if (rc) goto out;
+
+ DEVICE_ADD(vsnd, vsnds, domid, &vsnd_saved, COMPARE_DEVID, &d_config);
+ }
+
+ for (;;) {
+ rc = libxl__xs_transaction_start(gc, &t);
+ if (rc) goto out;
+
+ rc = libxl__device_exists(gc, t, device);
+ if (rc < 0) goto out;
+ if (rc == 1) { /* already exists in xenstore */
+ LOG(ERROR, "device already exists in xenstore");
+ aodev->action = LIBXL__DEVICE_ACTION_ADD; /* for error message */
+ rc = ERROR_DEVICE_EXISTS;
+ goto out;
+ }
+ if (aodev->update_json) {
+ rc = libxl__set_domain_configuration(gc, domid, &d_config);
+ if (rc) goto out;
+ }
+
+ libxl__device_generic_add(gc, t, device,
+ libxl__xs_kvs_of_flexarray(gc, back,
+ back->count),
+ libxl__xs_kvs_of_flexarray(gc, front,
+ front->count),
+ NULL);
+
+ rc = libxl__xs_transaction_commit(gc, &t);
+
+ if (!rc) break;
+ if (rc < 0) goto out;
+ }
+
+ aodev->dev = device;
+ aodev->action = LIBXL__DEVICE_ACTION_ADD;
+ libxl__wait_device_connection(egc, aodev);
+
+ rc = 0;
+out:
+ libxl__xs_transaction_abort(gc, &t);
+ if (lock) libxl__unlock_domain_userdata(lock);
+ libxl_device_vsnd_dispose(&vsnd_saved);
+ libxl_domain_config_dispose(&d_config);
+ aodev->rc = rc;
+ if(rc) aodev->callback(egc, aodev);
+ return;
+
+}
+
+libxl_device_vsnd *libxl_device_vsnd_list(libxl_ctx *ctx, uint32_t domid, int
*num)
+{
+ GC_INIT(ctx);
+
+ libxl_device_vsnd* vsnds = NULL;
+ char* fe_path = NULL;
+ char** dir = NULL;
+ unsigned int ndirs = 0;
+
+ *num = 0;
+
+ fe_path = libxl__sprintf(gc, "%s/device/vsnd", libxl__xs_get_dompath(gc,
domid));
+ dir = libxl__xs_directory(gc, XBT_NULL, fe_path, &ndirs);
+ if (dir && ndirs) {
+ vsnds = malloc(sizeof(*vsnds) * ndirs);
+ libxl_device_vsnd* vsnd;
+ libxl_device_vsnd* end = vsnds + ndirs;
+ for(vsnd = vsnds; vsnd < end; ++vsnd, ++dir) {
+ char* tmp;
+
+ libxl_device_vsnd_init(vsnd);
+
+ vsnd->devid = atoi(*dir);
+
+ tmp = libxl__xs_read(gc, XBT_NULL,
+ GCSPRINTF("%s/%s/backend-id",
+ fe_path, *dir));
+ vsnd->backend_domid = atoi(tmp);
+ }
+ }
+ *num = ndirs;
+
+ GC_FREE;
+ return vsnds;
+}
+
+int libxl_device_vsnd_getinfo(libxl_ctx *ctx, uint32_t domid,
libxl_device_vsnd *vsnd, libxl_vsndinfo *vsndinfo)
+{
+ GC_INIT(ctx);
+ char *dompath, *vsndpath;
+ char *val;
+ int rc = 0;
+
+ libxl_vsndinfo_init(vsndinfo);
+ dompath = libxl__xs_get_dompath(gc, domid);
+ vsndinfo->devid = vsnd->devid;
+
+ vsndpath = GCSPRINTF("%s/device/vsnd/%d", dompath, vsndinfo->devid);
+ vsndinfo->backend = xs_read(ctx->xsh, XBT_NULL,
+ GCSPRINTF("%s/backend", vsndpath), NULL);
+ if (!vsndinfo->backend) {
+ goto err;
+ }
+ if(!libxl__xs_read(gc, XBT_NULL, vsndinfo->backend)) {
+ goto err;
+ }
+
+ val = libxl__xs_read(gc, XBT_NULL,
+ GCSPRINTF("%s/backend-id", vsndpath));
+ vsndinfo->backend_id = val ? strtoul(val, NULL, 10) : -1;
+
+ val = libxl__xs_read(gc, XBT_NULL,
+ GCSPRINTF("%s/state", vsndpath));
+ vsndinfo->state = val ? strtoul(val, NULL, 10) : -1;
+
+ val = libxl__xs_read(gc, XBT_NULL,
+ GCSPRINTF("%s/event-channel", vsndpath));
+ vsndinfo->evtch = val ? strtoul(val, NULL, 10) : -1;
+
+ val = libxl__xs_read(gc, XBT_NULL,
+ GCSPRINTF("%s/ring-ref", vsndpath));
+ vsndinfo->rref = val ? strtoul(val, NULL, 10) : -1;
+
+ vsndinfo->frontend = xs_read(ctx->xsh, XBT_NULL,
+ GCSPRINTF("%s/frontend", vsndinfo->backend), NULL);
+
+ val = libxl__xs_read(gc, XBT_NULL,
+ GCSPRINTF("%s/frontend-id", vsndinfo->backend));
+ vsndinfo->frontend_id = val ? strtoul(val, NULL, 10) : -1;
+
+ goto exit;
+err:
+ rc = ERROR_FAIL;
+exit:
+ GC_FREE;
+ return rc;
+}
/******************************************************************************/
@@ -4410,6 +4747,8 @@ out:
* libxl_device_vtpm_destroy
* libxl_device_vrtc_remove
* libxl_device_vrtc_destroy
+ * libxl_device_vsnd_remove
+ * libxl_device_vsnd_destroy
*/
#define DEFINE_DEVICE_REMOVE(type, removedestroy, f) \
int libxl_device_##type##_##removedestroy(libxl_ctx *ctx, \
@@ -4465,6 +4804,10 @@ DEFINE_DEVICE_REMOVE(vtpm, destroy, 1)
DEFINE_DEVICE_REMOVE(vrtc, remove, 0)
DEFINE_DEVICE_REMOVE(vrtc, destroy, 1)
+/* vsnd */
+DEFINE_DEVICE_REMOVE(vsnd, remove, 0)
+DEFINE_DEVICE_REMOVE(vsnd, destroy, 1)
+
/* channel/console hotunplug is not implemented. There are 2 possibilities:
* 1. add support for secondary consoles to xenconsoled
* 2. dynamically add/remove qemu chardevs via qmp messages. */
@@ -4479,6 +4822,7 @@ DEFINE_DEVICE_REMOVE(vrtc, destroy, 1)
* libxl_device_nic_add
* libxl_device_vtpm_add
* libxl_device_vrtc_add
+ * libxl_device_vsnd_add
*/
#define DEFINE_DEVICE_ADD(type) \
@@ -4513,6 +4857,9 @@ DEFINE_DEVICE_ADD(vtpm)
/* vrtc */
DEFINE_DEVICE_ADD(vrtc)
+/* vsnd */
+DEFINE_DEVICE_ADD(vsnd)
+
#undef DEFINE_DEVICE_ADD
/******************************************************************************/
@@ -6956,7 +7303,7 @@ int libxl_retrieve_domain_configuration(libxl_ctx *ctx,
uint32_t domid,
d_config->b_info.max_memkb = max_memkb;
}
- /* Devices: disk, nic, vtpm, pcidev etc. */
+ /* Devices: disk, nic, vtpm, vsnd, pcidev etc. */
/* The MERGE macro implements following logic:
* 0. retrieve JSON (done by now)
@@ -7030,6 +7377,8 @@ int libxl_retrieve_domain_configuration(libxl_ctx *ctx,
uint32_t domid,
MERGE(vrtc, vrtcs, COMPARE_DEVID, {});
+ MERGE(vsnd, vsnds, COMPARE_DEVID, {});
+
MERGE(pci, pcidevs, COMPARE_PCI, {});
/* Take care of removable device. We maintain invariant in the
diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index 9243b86..3cb67e2 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -1451,6 +1451,22 @@ int libxl_device_vrtc_destroy(libxl_ctx *ctx, uint32_t
domid,
libxl_device_vrtc *libxl_device_vrtc_list(libxl_ctx *ctx, uint32_t domid, int
*num);
int libxl_device_vrtc_getinfo(libxl_ctx *ctx, uint32_t domid,
libxl_device_vrtc *vrtc, libxl_vrtcinfo
*vrtcinfo);
+/* Audio */
+int libxl_device_vsnd_add(libxl_ctx *ctx, uint32_t domid, libxl_device_vsnd
*vsnd,
+ const libxl_asyncop_how *ao_how)
+ LIBXL_EXTERNAL_CALLERS_ONLY;
+int libxl_device_vsnd_remove(libxl_ctx *ctx, uint32_t domid,
+ libxl_device_vsnd *vsnd,
+ const libxl_asyncop_how *ao_how)
+ LIBXL_EXTERNAL_CALLERS_ONLY;
+int libxl_device_vsnd_destroy(libxl_ctx *ctx, uint32_t domid,
+ libxl_device_vsnd *vsnd,
+ const libxl_asyncop_how *ao_how)
+ LIBXL_EXTERNAL_CALLERS_ONLY;
+
+libxl_device_vsnd *libxl_device_vsnd_list(libxl_ctx *ctx, uint32_t domid, int
*num);
+int libxl_device_vsnd_getinfo(libxl_ctx *ctx, uint32_t domid,
+ libxl_device_vsnd *vsnd, libxl_vsndinfo
*vsndinfo);
/* Keyboard */
int libxl_device_vkb_add(libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb,
diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
index 1206c34..8ff4178 100644
--- a/tools/libxl/libxl_create.c
+++ b/tools/libxl/libxl_create.c
@@ -736,6 +736,8 @@ static void domcreate_attach_vtpms(libxl__egc *egc,
libxl__multidev *multidev,
int ret);
static void domcreate_attach_vrtcs(libxl__egc *egc, libxl__multidev *multidev,
int ret);
+static void domcreate_attach_vsnds(libxl__egc *egc, libxl__multidev *multidev,
+ int ret);
static void domcreate_attach_pci(libxl__egc *egc, libxl__multidev *aodevs,
int ret);
static void domcreate_attach_dtdev(libxl__egc *egc,
@@ -1427,12 +1429,45 @@ static void domcreate_attach_vrtcs(libxl__egc *egc,
if (d_config->num_vrtcs > 0) {
/* Attach vrtcs */
libxl__multidev_begin(ao, &dcs->multidev);
- dcs->multidev.callback = domcreate_attach_pci;
+ dcs->multidev.callback = domcreate_attach_vsnds;
libxl__add_vrtcs(egc, ao, domid, d_config, &dcs->multidev);
libxl__multidev_prepared(egc, &dcs->multidev, 0);
return;
}
+ domcreate_attach_vsnds(egc, multidev, 0);
+ return;
+
+error_out:
+ assert(ret);
+ domcreate_complete(egc, dcs, ret);
+}
+
+static void domcreate_attach_vsnds(libxl__egc *egc,
+ libxl__multidev *multidev,
+ int ret)
+{
+ libxl__domain_create_state *dcs = CONTAINER_OF(multidev, *dcs, multidev);
+ STATE_AO_GC(dcs->ao);
+ int domid = dcs->guest_domid;
+
+ libxl_domain_config* const d_config = dcs->guest_config;
+
+ if(ret) {
+ LOG(ERROR, "unable to add vrtc devices");
+ goto error_out;
+ }
+
+ /* Plug vsnd devices */
+ if (d_config->num_vsnds > 0) {
+ /* Attach vsnds */
+ libxl__multidev_begin(ao, &dcs->multidev);
+ dcs->multidev.callback = domcreate_attach_pci;
+ libxl__add_vsnds(egc, ao, domid, d_config, &dcs->multidev);
+ libxl__multidev_prepared(egc, &dcs->multidev, 0);
+ return;
+ }
+
domcreate_attach_pci(egc, multidev, 0);
return;
@@ -1454,7 +1489,7 @@ static void domcreate_attach_pci(libxl__egc *egc,
libxl__multidev *multidev,
libxl_domain_config *const d_config = dcs->guest_config;
if (ret) {
- LOG(ERROR, "unable to add vrtc devices");
+ LOG(ERROR, "unable to add vsnd devices");
goto error_out;
}
diff --git a/tools/libxl/libxl_device.c b/tools/libxl/libxl_device.c
index 72f09a0..419af16 100644
--- a/tools/libxl/libxl_device.c
+++ b/tools/libxl/libxl_device.c
@@ -545,6 +545,7 @@ void libxl__multidev_prepared(libxl__egc *egc,
* libxl__add_nics
* libxl__add_vtpms
* libxl__add_vrtcs
+ * libxl__add_vsnds
*/
#define DEFINE_DEVICES_ADD(type) \
@@ -565,6 +566,7 @@ DEFINE_DEVICES_ADD(disk)
DEFINE_DEVICES_ADD(nic)
DEFINE_DEVICES_ADD(vtpm)
DEFINE_DEVICES_ADD(vrtc)
+DEFINE_DEVICES_ADD(vsnd)
#undef DEFINE_DEVICES_ADD
diff --git a/tools/libxl/libxl_internal.c b/tools/libxl/libxl_internal.c
index 366ea05..f75840d 100644
--- a/tools/libxl/libxl_internal.c
+++ b/tools/libxl/libxl_internal.c
@@ -547,6 +547,10 @@ void libxl__update_domain_configuration(libxl__gc *gc,
for (i = 0; i < src->num_vtpms; i++)
libxl__update_config_vtpm(gc, &dst->vtpms[i], &src->vtpms[i]);
+ /* update vsnd information */
+ for (i = 0; i < src->num_vsnds; i++)
+ libxl__update_config_vsnd(gc, &dst->vsnds[i], &src->vsnds[i]);
+
/* update guest UUID */
libxl_uuid_copy(CTX, &dst->c_info.uuid, &src->c_info.uuid);
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 2a423b5..d78dd79 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -477,7 +477,8 @@ typedef struct {
(dev)->backend_kind == LIBXL__DEVICE_KIND_QDISK || \
(dev)->backend_kind == LIBXL__DEVICE_KIND_VFB || \
(dev)->backend_kind == LIBXL__DEVICE_KIND_VKBD || \
- (dev)->backend_kind == LIBXL__DEVICE_KIND_VRTC)
+ (dev)->backend_kind == LIBXL__DEVICE_KIND_VRTC || \
+ (dev)->backend_kind == LIBXL__DEVICE_KIND_VSND)
#define XC_PCI_BDF "0x%x, 0x%x, 0x%x, 0x%x"
#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
@@ -1188,6 +1189,7 @@ _hidden int libxl__device_nic_setdefault(libxl__gc *gc,
libxl_device_nic *nic,
uint32_t domid);
_hidden int libxl__device_vtpm_setdefault(libxl__gc *gc, libxl_device_vtpm
*vtpm);
_hidden int libxl__device_vrtc_setdefault(libxl__gc *gc, libxl_device_vrtc
*vrtc);
+_hidden int libxl__device_vsnd_setdefault(libxl__gc *gc, libxl_device_vsnd
*vsnd);
_hidden int libxl__device_vfb_setdefault(libxl__gc *gc, libxl_device_vfb *vfb);
_hidden int libxl__device_vkb_setdefault(libxl__gc *gc, libxl_device_vkb *vkb);
_hidden int libxl__device_pci_setdefault(libxl__gc *gc, libxl_device_pci *pci);
@@ -2572,6 +2574,11 @@ _hidden void libxl__device_vrtc_add(libxl__egc *egc,
uint32_t domid,
libxl_device_vrtc *vrtc,
libxl__ao_device *aodev);
+/* AO operation to connect a sound device */
+_hidden void libxl__device_vsnd_add(libxl__egc *egc, uint32_t domid,
+ libxl_device_vsnd *vsnd,
+ libxl__ao_device *aodev);
+
/* Internal function to connect a vkb device */
_hidden int libxl__device_vkb_add(libxl__gc *gc, uint32_t domid,
libxl_device_vkb *vkb);
@@ -3291,6 +3298,10 @@ _hidden void libxl__add_vtpms(libxl__egc *egc, libxl__ao
*ao, uint32_t domid,
_hidden void libxl__add_vrtcs(libxl__egc *egc, libxl__ao *ao, uint32_t domid,
libxl_domain_config *d_config,
libxl__multidev *multidev);
+
+_hidden void libxl__add_vsnds(libxl__egc *egc, libxl__ao *ao, uint32_t domid,
+ libxl_domain_config *d_config,
+ libxl__multidev *multidev);
/*----- device model creation -----*/
/* First layer; wraps libxl__spawn_spawn. */
@@ -3954,6 +3965,13 @@ static inline void libxl__update_config_vtpm(libxl__gc
*gc,
libxl_uuid_copy(CTX, &dst->uuid, &src->uuid);
}
+static inline void libxl__update_config_vsnd(libxl__gc *gc,
+ libxl_device_vsnd *dst,
+ libxl_device_vsnd *src)
+{
+ dst->devid = src->devid;
+}
+
/* Macros used to compare device identifier. Returns true if the two
* devices have same identifier. */
#define COMPARE_DEVID(a, b) ((a)->devid == (b)->devid)
diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
index 27a750c..8fa29b1 100644
--- a/tools/libxl/libxl_types.idl
+++ b/tools/libxl/libxl_types.idl
@@ -551,6 +551,26 @@ libxl_device_vrtc = Struct("device_vrtc", [
("device", string),
])
+libxl_device_vsnd = Struct("device_vsnd", [
+ ("backend_domid", libxl_domid),
+ ("backend_domname", string),
+ ("devid", libxl_devid),
+ ("short_name", string),
+ ("long_name", string),
+ ("sample_formats", string),
+ ("rates", string),
+ ("channels_min", integer),
+ ("channels_max", integer),
+ ("priority", integer),
+ ("slave_device", string),
+ ("alsa_card_id", integer),
+ ("buffer_bytes_max", integer),
+ ("period_bytes_min", integer),
+ ("period_bytes_max", integer),
+ ("period_min", integer),
+ ("period_max", integer),
+ ])
+
libxl_device_disk = Struct("device_disk", [
("backend_domid", libxl_domid),
("backend_domname", string),
@@ -639,6 +659,7 @@ libxl_domain_config = Struct("domain_config", [
("vkbs", Array(libxl_device_vkb, "num_vkbs")),
("vtpms", Array(libxl_device_vtpm, "num_vtpms")),
("vrtcs", Array(libxl_device_vrtc, "num_vrtcs")),
+ ("vsnds", Array(libxl_device_vsnd, "num_vsnds")),
# a channel manifests as a console with a name,
# see docs/misc/channels.txt
("channels", Array(libxl_device_channel, "num_channels")),
@@ -695,6 +716,17 @@ libxl_vrtcinfo = Struct("vrtcinfo", [
("rref", integer),
], dir=DIR_OUT)
+libxl_vsndinfo = Struct("vsndinfo", [
+ ("backend", string),
+ ("backend_id", uint32),
+ ("frontend", string),
+ ("frontend_id", uint32),
+ ("devid", libxl_devid),
+ ("state", integer),
+ ("evtch", integer),
+ ("rref", integer),
+ ], dir=DIR_OUT)
+
libxl_vcpuinfo = Struct("vcpuinfo", [
("vcpuid", uint32),
("cpu", uint32),
diff --git a/tools/libxl/libxl_types_internal.idl
b/tools/libxl/libxl_types_internal.idl
index 764efb8..ec63e23 100644
--- a/tools/libxl/libxl_types_internal.idl
+++ b/tools/libxl/libxl_types_internal.idl
@@ -23,6 +23,7 @@ libxl__device_kind = Enumeration("device_kind", [
(7, "CONSOLE"),
(8, "VTPM"),
(9, "VRTC"),
+ (10, "VSND"),
])
libxl__console_backend = Enumeration("console_backend", [
diff --git a/tools/libxl/libxl_utils.h b/tools/libxl/libxl_utils.h
index d1b825c..f6532ce 100644
--- a/tools/libxl/libxl_utils.h
+++ b/tools/libxl/libxl_utils.h
@@ -80,6 +80,9 @@ int libxl_devid_to_device_vtpm(libxl_ctx *ctx, uint32_t domid,
int libxl_devid_to_device_vrtc(libxl_ctx *ctx, uint32_t domid,
int devid, libxl_device_vrtc *vrtc);
+int libxl_devid_to_device_vsnd(libxl_ctx *ctx, uint32_t domid,
+ int devid, libxl_device_vsnd *vsnd);
+
int libxl_bitmap_alloc(libxl_ctx *ctx, libxl_bitmap *bitmap, int n_bits);
/* Allocated bimap is from malloc, libxl_bitmap_dispose() to be
* called by the application when done. */
diff --git a/tools/libxl/xl.h b/tools/libxl/xl.h
index 3d46efb..81a78c0 100644
--- a/tools/libxl/xl.h
+++ b/tools/libxl/xl.h
@@ -85,6 +85,9 @@ int main_blockdetach(int argc, char **argv);
int main_vrtcattach(int argc, char **argv);
int main_vrtclist(int argc, char **argv);
int main_vrtcdetach(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_vtpmattach(int argc, char **argv);
int main_vtpmlist(int argc, char **argv);
int main_vtpmdetach(int argc, char **argv);
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 77701e0..cb2d8c6 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -627,6 +627,15 @@ static void set_default_nic_values(libxl_device_nic *nic)
}
}
+static void set_default_vsnd_values(libxl_device_vsnd *vsnd)
+{
+ vsnd->short_name = "Unknown";
+ vsnd->long_name = "Unknown";
+ vsnd->sample_formats = "";
+ vsnd->rates = "";
+ vsnd->slave_device = "";
+}
+
static void split_string_into_string_list(const char *str,
const char *delim,
libxl_string_list *psl)
@@ -1262,7 +1271,7 @@ static void parse_config_data(const char *config_source,
const char *buf;
long l, vcpus = 0;
XLU_Config *config;
- XLU_ConfigList *cpus, *vbds, *nics, *pcis, *cvfbs, *cpuids, *vtpms, *vrtcs;
+ XLU_ConfigList *cpus, *vbds, *nics, *pcis, *cvfbs, *cpuids, *vtpms,
*vrtcs, *vsnds;
XLU_ConfigList *channels, *ioports, *irqs, *iomem, *viridian, *dtdevs;
int num_ioports, num_irqs, num_iomem, num_cpus, num_viridian;
int pci_power_mgmt = 0;
@@ -1892,6 +1901,83 @@ static void parse_config_data(const char *config_source,
}
}
+ if (!xlu_cfg_get_list(config, "vsnd", &vsnds, 0, 0)) {
+ d_config->num_vsnds = 0;
+ d_config->vsnds = NULL;
+ while ((buf = xlu_cfg_get_listitem(vsnds, d_config->num_vsnds)) !=
NULL) {
+ libxl_device_vsnd *vsnd;
+ libxl_string_list pairs;
+ char *path = NULL;
+ int len;
+
+ vsnd = ARRAY_EXTEND_INIT(d_config->vsnds, d_config->num_vsnds,
+ libxl_device_vsnd_init);
+
+ split_string_into_string_list(buf, ",", &pairs);
+ len = libxl_string_list_length(&pairs);
+
+ for (i = 0; i < len; i++) {
+ char *key, *key_untrimmed, *value, *value_untrimmed;
+ int rc;
+ rc = split_string_into_pair(pairs[i], "=",
+ &key_untrimmed,
+ &value_untrimmed);
+ if (rc != 0) {
+ fprintf(stderr, "failed to parse vsnd configuration: %s",
+ pairs[i]);
+ exit(1);
+ }
+ trim(isspace, key_untrimmed, &key);
+ trim(isspace, value_untrimmed, &value);
+
+ if (!strcmp(key, "backendid")) {
+ vsnd->backend_domid = atoi(value);
+ } else if (!strcmp(key, "backend")) {
+ replace_string(&vsnd->backend_domname, value);
+ } else if (!strcmp(key, "devid")) {
+ vsnd->devid = atoi(value);
+ } else if (!strcmp(key, "shortname")) {
+ replace_string(&vsnd->short_name, value);
+ } else if (!strcmp(key, "longname")) {
+ replace_string(&vsnd->long_name, value);
+ } else if (!strcmp(key, "sampleformats")) {
+ replace_string(&vsnd->sample_formats, value);
+ } else if (!strcmp(key, "rates")) {
+ replace_string(&vsnd->rates, value);
+ } else if (!strcmp(key, "channels_min")) {
+ vsnd->channels_min = atoi(value);
+ } else if (!strcmp(key, "channels_max")) {
+ vsnd->channels_max = atoi(value);
+ } else if (!strcmp(key, "priority")) {
+ vsnd->priority = atoi(value);
+ } else if (!strcmp(key, "slave")) {
+ replace_string(&vsnd->slave_device, value);
+ } else if (!strcmp(key, "alsacardid")) {
+ vsnd->alsa_card_id = atoi(value);
+ } else if (!strcmp(key, "bufferbytesmax")) {
+ vsnd->buffer_bytes_max = atoi(value);
+ } else if (!strcmp(key, "periodbytesmin")) {
+ vsnd->period_bytes_min = atoi(value);
+ } else if (!strcmp(key, "periodbytesmax")) {
+ vsnd->period_bytes_max = atoi(value);
+ } else if (!strcmp(key, "periodmin")) {
+ vsnd->period_min = atoi(value);
+ } else if (!strcmp(key, "periodmax")) {
+ vsnd->period_max = atoi(value);
+ } else {
+ fprintf(stderr, "unknown vsnd parameter '%s',"
+ " ignoring\n", key);
+ }
+ free(key);
+ free(key_untrimmed);
+ free(value);
+ free(value_untrimmed);
+ }
+ libxl_string_list_dispose(&pairs);
+ free(path);
+ }
+ }
+
if (!xlu_cfg_get_list (config, "channel", &channels, 0, 0)) {
d_config->num_channels = 0;
d_config->channels = NULL;
@@ -6894,6 +6980,147 @@ int main_vrtcdetach(int argc, char **argv)
return rc;
}
+
+int main_vsndattach(int argc, char **argv)
+{
+ int opt;
+ uint32_t fe_domid;
+ libxl_device_vsnd vsnd;
+ char *oparg;
+
+ SWITCH_FOREACH_OPT(opt, "", NULL, "vsnd-attach", 1) {
+ /* No options */
+ }
+
+ if (libxl_domain_qualifier_to_domid(ctx, argv[optind], &fe_domid) < 0) {
+ fprintf(stderr, "%s is an invalid domain identifier\n", argv[optind]);
+ return 1;
+ }
+ optind++;
+
+ libxl_device_vsnd_init(&vsnd);
+ set_default_vsnd_values(&vsnd);
+
+ for (argv += optind+1, argc -= optind+1; argc > 0; ++argv, --argc) {
+ if (MATCH_OPTION("backend", *argv, oparg)) {
+ replace_string(&vsnd.backend_domname, oparg);
+ } else if (MATCH_OPTION("devid", *argv, oparg)) {
+ vsnd.devid = atoi(oparg);
+ } else if (MATCH_OPTION("shortname", *argv, oparg)) {
+ replace_string(&vsnd.short_name, oparg);
+ } else if (MATCH_OPTION("longname", *argv, oparg)) {
+ replace_string(&vsnd.long_name, oparg);
+ } else if (MATCH_OPTION("sampleformats", *argv, oparg)) {
+ replace_string(&vsnd.sample_formats, oparg);
+ } else if (MATCH_OPTION("rates", *argv, oparg)) {
+ replace_string(&vsnd.rates, oparg);
+ } else if (MATCH_OPTION("channelsmin", *argv, oparg)) {
+ vsnd.channels_min = atoi(oparg);
+ } else if (MATCH_OPTION("channelsmax", *argv, oparg)) {
+ vsnd.channels_max = atoi(oparg);
+ } else if (MATCH_OPTION("priority", *argv, oparg)) {
+ vsnd.priority = atoi(oparg);
+ } else if (MATCH_OPTION("slave", *argv, oparg)) {
+ replace_string(&vsnd.slave_device, oparg);
+ } else if (MATCH_OPTION("alsacardid", *argv, oparg)) {
+ vsnd.alsa_card_id = atoi(oparg);
+ } else if (MATCH_OPTION("bufferbytesmax", *argv, oparg)) {
+ vsnd.buffer_bytes_max = atoi(oparg);
+ } else if (MATCH_OPTION("periodbytesmin", *argv, oparg)) {
+ vsnd.period_bytes_min = atoi(oparg);
+ } else if (MATCH_OPTION("periodbytesmax", *argv, oparg)) {
+ vsnd.period_bytes_max = atoi(oparg);
+ } else if (MATCH_OPTION("periodmin", *argv, oparg)) {
+ vsnd.period_min = atoi(oparg);
+ } else if (MATCH_OPTION("periodmax", *argv, oparg)) {
+ vsnd.period_max = atoi(oparg);
+ } else {
+ fprintf(stderr, "unrecognized argument `%s'\n", *argv);
+ return 1;
+ }
+ }
+
+ if (dryrun_only) {
+ char *json = libxl_device_vsnd_to_json(ctx, &vsnd);
+ printf("vsnd: %s\n", json);
+ free(json);
+ if (ferror(stdout) || fflush(stdout)) { perror("stdout"); exit(-1); }
+ return 0;
+ }
+
+ if (libxl_device_vsnd_add(ctx, fe_domid, &vsnd, 0)) {
+ fprintf(stderr, "libxl_device_vsnd_add failed.\n");
+ return 1;
+ }
+ return 0;
+}
+
+int main_vsndlist(int argc, char **argv)
+{
+ int opt;
+ int i, nb;
+ libxl_device_vsnd *vsnds;
+ libxl_vsndinfo vsndinfo;
+
+ SWITCH_FOREACH_OPT(opt, "", NULL, "vsnd-list", 1) {
+ /* No options */
+ }
+
+ printf("%-5s %-3s %-6s %-5s %-6s %-8s %-40s %-40s\n",
+ "Vdev", "BE", "handle", "state", "evt-ch", "ring-ref", "BE-path",
"FE-path");
+ 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, &nb);
+ if (!vsnds) {
+ continue;
+ }
+ for (i=0; i<nb; i++) {
+ if (!libxl_device_vsnd_getinfo(ctx, domid, &vsnds[i], &vsndinfo)) {
+ /* Vdev BE hdl st evch rref BE-path FE-path */
+ printf("%-5d %-3d %-6d %-5d %-6d %-8d %-40s %-40s\n",
+ vsndinfo.devid, vsndinfo.backend_id,
vsndinfo.frontend_id,
+ vsndinfo.state, vsndinfo.evtch, vsndinfo.rref,
vsndinfo.backend,
+ vsndinfo.frontend);
+ libxl_vsndinfo_dispose(&vsndinfo);
+ }
+ libxl_device_vsnd_dispose(&vsnds[i]);
+ }
+ free(vsnds);
+ }
+ return 0;
+}
+
+int main_vsnddetach(int argc, char **argv)
+{
+ uint32_t domid, devid;
+ int opt, rc = 0;
+ libxl_device_vsnd vsnd;
+
+ SWITCH_FOREACH_OPT(opt, "", NULL, "vsnd-detach", 2) {
+ /* No options */
+ }
+
+ domid = find_domain(argv[optind]);
+ devid = atoi(argv[optind+1]);
+
+ if (libxl_devid_to_device_vsnd(ctx, domid, devid, &vsnd)) {
+ fprintf(stderr, "Error: Device %s not connected.\n", argv[optind+1]);
+ return 1;
+ }
+
+ rc = libxl_device_vsnd_remove(ctx, domid, &vsnd, 0);
+ if (rc) {
+ fprintf(stderr, "libxl_device_vsnd_remove failed.\n");
+ return 1;
+ }
+ libxl_device_vsnd_dispose(&vsnd);
+ return rc;
+}
+
int main_vtpmattach(int argc, char **argv)
{
int opt;
diff --git a/tools/libxl/xl_cmdtable.c b/tools/libxl/xl_cmdtable.c
index 8b8971e..78f0700 100644
--- a/tools/libxl/xl_cmdtable.c
+++ b/tools/libxl/xl_cmdtable.c
@@ -366,6 +366,26 @@ struct cmd_spec cmd_table[] = {
"Destroy a domain's virtual rtc device",
"<Domain> <DevId>",
},
+ { "vsnd-attach",
+ &main_vsndattach, 1, 1,
+ "Create a new virtual audio device",
+ "<Domain> [backend=<BackDomain>] [devid=<DeviceId>]
[shortname=<ShortName>]\n"
+ "[longname=<LongName>] [sampleformats=<SampleFormats>] [rates=<Rates>]\n"
+ "[channelsmin=<ChannelsMin>] [channelsmax=<ChannelsMax>]
[priority=<Priority>]\n"
+ "[slave=<SlaveDevice>] [alsacardid=<AlsaCardId>]
[bufferbytesmax=<BufferBytesMax>]\n"
+ "[periodbytesmin=<PeriodBytesMin>] [periodbytesmax=<PeriodBytesMax>]\n"
+ "[periodmin=<PeriodMin>] [periodmax=<PeriodMax>]",
+ },
+ { "vsnd-list",
+ &main_vsndlist, 0, 0,
+ "List virtual audio devices for a domain",
+ "<Domain(s)>",
+ },
+ { "vsnd-detach",
+ &main_vsnddetach, 0, 1,
+ "Destroy a domain's virtual audio device",
+ "<Domain> <DevId|uuid>",
+ },
{ "vtpm-attach",
&main_vtpmattach, 1, 1,
"Create a new virtual TPM device",
--
2.8.2
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