diff options
| -rw-r--r-- | MAINTAINERS | 7 | ||||
| -rw-r--r-- | hw/virtio/Kconfig | 5 | ||||
| -rw-r--r-- | hw/virtio/meson.build | 3 | ||||
| -rw-r--r-- | hw/virtio/vhost-user-snd-pci.c | 75 | ||||
| -rw-r--r-- | hw/virtio/vhost-user-snd.c | 67 | ||||
| -rw-r--r-- | include/hw/virtio/vhost-user-snd.h | 24 |
6 files changed, 181 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 2426368c4d..aff5342cb4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2342,6 +2342,13 @@ F: hw/virtio/vhost-user-gpio* F: include/hw/virtio/vhost-user-gpio.h F: tests/qtest/libqos/virtio-gpio.* +vhost-user-snd +M: Alex Bennée <alex.bennee@linaro.org> +R: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> +S: Maintained +F: hw/virtio/vhost-user-snd* +F: include/hw/virtio/vhost-user-snd.h + vhost-user-scmi R: mzamazal@redhat.com S: Supported diff --git a/hw/virtio/Kconfig b/hw/virtio/Kconfig index 92c9cf6c96..aa63ff7fd4 100644 --- a/hw/virtio/Kconfig +++ b/hw/virtio/Kconfig @@ -101,6 +101,11 @@ config VHOST_VDPA_DEV default y depends on VIRTIO && VHOST_VDPA && LINUX +config VHOST_USER_SND + bool + default y + depends on VIRTIO && VHOST_USER + config VHOST_USER_SCMI bool default y diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index 685d586e69..af8abae020 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -24,6 +24,7 @@ if have_vhost system_virtio_ss.add(when: 'CONFIG_VHOST_USER_GPIO', if_true: files('vhost-user-gpio.c')) system_virtio_ss.add(when: 'CONFIG_VHOST_USER_I2C', if_true: files('vhost-user-i2c.c')) system_virtio_ss.add(when: 'CONFIG_VHOST_USER_RNG', if_true: files('vhost-user-rng.c')) + system_virtio_ss.add(when: 'CONFIG_VHOST_USER_SND', if_true: files('vhost-user-snd.c')) # PCI Stubs system_virtio_ss.add(when: 'CONFIG_VIRTIO_PCI', if_true: files('vhost-user-device-pci.c')) @@ -33,6 +34,8 @@ if have_vhost if_true: files('vhost-user-i2c-pci.c')) system_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_RNG'], if_true: files('vhost-user-rng-pci.c')) + system_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_SND'], + if_true: files('vhost-user-snd-pci.c')) endif if have_vhost_vdpa system_virtio_ss.add(files('vhost-vdpa.c')) diff --git a/hw/virtio/vhost-user-snd-pci.c b/hw/virtio/vhost-user-snd-pci.c new file mode 100644 index 0000000000..d61cfdae63 --- /dev/null +++ b/hw/virtio/vhost-user-snd-pci.c @@ -0,0 +1,75 @@ +/* + * Vhost-user Sound virtio device PCI glue + * + * Copyright (c) 2023 Manos Pitsidianakis <manos.pitsidianakis@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-snd.h" +#include "hw/virtio/virtio-pci.h" + +struct VHostUserSoundPCI { + VirtIOPCIProxy parent_obj; + VHostUserSound vdev; +}; + +typedef struct VHostUserSoundPCI VHostUserSoundPCI; + +#define TYPE_VHOST_USER_SND_PCI "vhost-user-snd-pci-base" + +DECLARE_INSTANCE_CHECKER(VHostUserSoundPCI, VHOST_USER_SND_PCI, + TYPE_VHOST_USER_SND_PCI) + +static Property vhost_user_snd_pci_properties[] = { + DEFINE_PROP_END_OF_LIST(), +}; + +static void vhost_user_snd_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VHostUserSoundPCI *dev = VHOST_USER_SND_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + + vpci_dev->nvectors = 1; + + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_snd_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + k->realize = vhost_user_snd_pci_realize; + set_bit(DEVICE_CATEGORY_SOUND, dc->categories); + device_class_set_props(dc, vhost_user_snd_pci_properties); + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision = 0x00; + pcidev_k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO; +} + +static void vhost_user_snd_pci_instance_init(Object *obj) +{ + VHostUserSoundPCI *dev = VHOST_USER_SND_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_SND); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_snd_pci_info = { + .base_name = TYPE_VHOST_USER_SND_PCI, + .non_transitional_name = "vhost-user-snd-pci", + .instance_size = sizeof(VHostUserSoundPCI), + .instance_init = vhost_user_snd_pci_instance_init, + .class_init = vhost_user_snd_pci_class_init, +}; + +static void vhost_user_snd_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_snd_pci_info); +} + +type_init(vhost_user_snd_pci_register); diff --git a/hw/virtio/vhost-user-snd.c b/hw/virtio/vhost-user-snd.c new file mode 100644 index 0000000000..9a217543f8 --- /dev/null +++ b/hw/virtio/vhost-user-snd.c @@ -0,0 +1,67 @@ +/* + * Vhost-user snd virtio device + * + * Copyright (c) 2023 Manos Pitsidianakis <manos.pitsidianakis@linaro.org> + * + * Simple wrapper of the generic vhost-user-device. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/virtio-bus.h" +#include "hw/virtio/vhost-user-snd.h" +#include "standard-headers/linux/virtio_ids.h" +#include "standard-headers/linux/virtio_snd.h" + +static const VMStateDescription vu_snd_vmstate = { + .name = "vhost-user-snd", + .unmigratable = 1, +}; + +static Property vsnd_properties[] = { + DEFINE_PROP_CHR("chardev", VHostUserBase, chardev), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vu_snd_base_realize(DeviceState *dev, Error **errp) +{ + VHostUserBase *vub = VHOST_USER_BASE(dev); + VHostUserBaseClass *vubs = VHOST_USER_BASE_GET_CLASS(dev); + + vub->virtio_id = VIRTIO_ID_SOUND; + vub->num_vqs = 4; + vub->config_size = sizeof(struct virtio_snd_config); + vub->vq_size = 64; + + vubs->parent_realize(dev, errp); +} + +static void vu_snd_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VHostUserBaseClass *vubc = VHOST_USER_BASE_CLASS(klass); + + dc->vmsd = &vu_snd_vmstate; + device_class_set_props(dc, vsnd_properties); + device_class_set_parent_realize(dc, vu_snd_base_realize, + &vubc->parent_realize); + + set_bit(DEVICE_CATEGORY_SOUND, dc->categories); +} + +static const TypeInfo vu_snd_info = { + .name = TYPE_VHOST_USER_SND, + .parent = TYPE_VHOST_USER_BASE, + .instance_size = sizeof(VHostUserSound), + .class_init = vu_snd_class_init, +}; + +static void vu_snd_register_types(void) +{ + type_register_static(&vu_snd_info); +} + +type_init(vu_snd_register_types) diff --git a/include/hw/virtio/vhost-user-snd.h b/include/hw/virtio/vhost-user-snd.h new file mode 100644 index 0000000000..f9260116a7 --- /dev/null +++ b/include/hw/virtio/vhost-user-snd.h @@ -0,0 +1,24 @@ +/* + * Vhost-user Sound virtio device + * + * Copyright (c) 2021 Mathieu Poirier <mathieu.poirier@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef QEMU_VHOST_USER_SND_H +#define QEMU_VHOST_USER_SND_H + +#include "hw/virtio/virtio.h" +#include "hw/virtio/vhost.h" +#include "hw/virtio/vhost-user.h" +#include "hw/virtio/vhost-user-base.h" + +#define TYPE_VHOST_USER_SND "vhost-user-snd" +OBJECT_DECLARE_SIMPLE_TYPE(VHostUserSound, VHOST_USER_SND) + +struct VHostUserSound { + VHostUserBase parent_obj; +}; + +#endif /* QEMU_VHOST_USER_SND_H */ |