diff options
Diffstat (limited to 'include/hw/virtio')
| -rw-r--r-- | include/hw/virtio/virtio-mmio.h | 73 | ||||
| -rw-r--r-- | include/hw/virtio/virtio-net.h | 14 | ||||
| -rw-r--r-- | include/hw/virtio/virtio.h | 29 |
3 files changed, 104 insertions, 12 deletions
diff --git a/include/hw/virtio/virtio-mmio.h b/include/hw/virtio/virtio-mmio.h new file mode 100644 index 0000000000..7dbfd03dcf --- /dev/null +++ b/include/hw/virtio/virtio-mmio.h @@ -0,0 +1,73 @@ +/* + * Virtio MMIO bindings + * + * Copyright (c) 2011 Linaro Limited + * + * Author: + * Peter Maydell <peter.maydell@linaro.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License; either version 2 + * of the License, or (at your option) any later version. + * + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef HW_VIRTIO_MMIO_H +#define HW_VIRTIO_MMIO_H + +#include "hw/virtio/virtio-bus.h" + +/* QOM macros */ +/* virtio-mmio-bus */ +#define TYPE_VIRTIO_MMIO_BUS "virtio-mmio-bus" +#define VIRTIO_MMIO_BUS(obj) \ + OBJECT_CHECK(VirtioBusState, (obj), TYPE_VIRTIO_MMIO_BUS) +#define VIRTIO_MMIO_BUS_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VirtioBusClass, (obj), TYPE_VIRTIO_MMIO_BUS) +#define VIRTIO_MMIO_BUS_CLASS(klass) \ + OBJECT_CLASS_CHECK(VirtioBusClass, (klass), TYPE_VIRTIO_MMIO_BUS) + +/* virtio-mmio */ +#define TYPE_VIRTIO_MMIO "virtio-mmio" +#define VIRTIO_MMIO(obj) \ + OBJECT_CHECK(VirtIOMMIOProxy, (obj), TYPE_VIRTIO_MMIO) + +#define VIRT_MAGIC 0x74726976 /* 'virt' */ +#define VIRT_VERSION 2 +#define VIRT_VERSION_LEGACY 1 +#define VIRT_VENDOR 0x554D4551 /* 'QEMU' */ + +typedef struct VirtIOMMIOQueue { + uint16_t num; + bool enabled; + uint32_t desc[2]; + uint32_t avail[2]; + uint32_t used[2]; +} VirtIOMMIOQueue; + +typedef struct { + /* Generic */ + SysBusDevice parent_obj; + MemoryRegion iomem; + qemu_irq irq; + bool legacy; + /* Guest accessible state needing migration and reset */ + uint32_t host_features_sel; + uint32_t guest_features_sel; + uint32_t guest_page_shift; + /* virtio-bus */ + VirtioBusState bus; + bool format_transport_address; + /* Fields only used for non-legacy (v2) devices */ + uint32_t guest_features[2]; + VirtIOMMIOQueue vqs[VIRTIO_QUEUE_MAX]; +} VirtIOMMIOProxy; + +#endif diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h index b96f0c643f..96c68d4a92 100644 --- a/include/hw/virtio/virtio-net.h +++ b/include/hw/virtio/virtio-net.h @@ -18,6 +18,7 @@ #include "standard-headers/linux/virtio_net.h" #include "hw/virtio/virtio.h" #include "net/announce.h" +#include "qemu/option_int.h" #define TYPE_VIRTIO_NET "virtio-net-device" #define VIRTIO_NET(obj) \ @@ -43,6 +44,7 @@ typedef struct virtio_net_conf int32_t speed; char *duplex_str; uint8_t duplex; + char *primary_id_str; } virtio_net_conf; /* Coalesced packets type & status */ @@ -182,9 +184,21 @@ struct VirtIONet { char *netclient_name; char *netclient_type; uint64_t curr_guest_offloads; + /* used on saved state restore phase to preserve the curr_guest_offloads */ + uint64_t saved_guest_offloads; AnnounceTimer announce_timer; bool needs_vnet_hdr_swap; bool mtu_bypass_backend; + QemuOpts *primary_device_opts; + QDict *primary_device_dict; + DeviceState *primary_dev; + BusState *primary_bus; + char *primary_device_id; + char *standby_id; + bool primary_should_be_hidden; + bool failover; + DeviceListener primary_listener; + Notifier migration_state; }; void virtio_net_set_netclient_name(VirtIONet *n, const char *name, diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 48e8d04ff6..3448d67d2a 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -37,13 +37,6 @@ static inline hwaddr vring_align(hwaddr addr, return QEMU_ALIGN_UP(addr, align); } -/* - * Calculate the number of bytes up to and including the given 'field' of - * 'container'. - */ -#define virtio_endof(container, field) \ - (offsetof(container, field) + sizeof_field(container, field)) - typedef struct VirtIOFeature { uint64_t flags; size_t end; @@ -59,6 +52,8 @@ typedef struct VirtQueue VirtQueue; typedef struct VirtQueueElement { unsigned int index; + unsigned int len; + unsigned int ndescs; unsigned int out_num; unsigned int in_num; hwaddr *in_addr; @@ -158,7 +153,14 @@ typedef struct VirtioDeviceClass { */ void (*save)(VirtIODevice *vdev, QEMUFile *f); int (*load)(VirtIODevice *vdev, QEMUFile *f, int version_id); + /* Post load hook in vmsd is called early while device is processed, and + * when VirtIODevice isn't fully initialized. Devices should use this instead, + * unless they specifically want to verify the migration stream as it's + * processed, e.g. for bounds checking. + */ + int (*post_load)(VirtIODevice *vdev); const VMStateDescription *vmsd; + bool (*primary_unplug_pending)(void *opaque); } VirtioDeviceClass; void virtio_instance_init_common(Object *proxy_obj, void *data, @@ -196,7 +198,8 @@ void virtqueue_map(VirtIODevice *vdev, VirtQueueElement *elem); void *virtqueue_pop(VirtQueue *vq, size_t sz); unsigned int virtqueue_drop_all(VirtQueue *vq); void *qemu_get_virtqueue_element(VirtIODevice *vdev, QEMUFile *f, size_t sz); -void qemu_put_virtqueue_element(QEMUFile *f, VirtQueueElement *elem); +void qemu_put_virtqueue_element(VirtIODevice *vdev, QEMUFile *f, + VirtQueueElement *elem); int virtqueue_avail_bytes(VirtQueue *vq, unsigned int in_bytes, unsigned int out_bytes); void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes, @@ -282,7 +285,9 @@ typedef struct VirtIORNGConf VirtIORNGConf; DEFINE_PROP_BIT64("any_layout", _state, _field, \ VIRTIO_F_ANY_LAYOUT, true), \ DEFINE_PROP_BIT64("iommu_platform", _state, _field, \ - VIRTIO_F_IOMMU_PLATFORM, false) + VIRTIO_F_IOMMU_PLATFORM, false), \ + DEFINE_PROP_BIT64("packed", _state, _field, \ + VIRTIO_F_RING_PACKED, false) hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n); bool virtio_queue_enabled(VirtIODevice *vdev, int n); @@ -291,8 +296,9 @@ hwaddr virtio_queue_get_used_addr(VirtIODevice *vdev, int n); hwaddr virtio_queue_get_desc_size(VirtIODevice *vdev, int n); hwaddr virtio_queue_get_avail_size(VirtIODevice *vdev, int n); hwaddr virtio_queue_get_used_size(VirtIODevice *vdev, int n); -uint16_t virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n); -void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, uint16_t idx); +unsigned int virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n); +void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, + unsigned int idx); void virtio_queue_restore_last_avail_idx(VirtIODevice *vdev, int n); void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n); void virtio_queue_update_used_idx(VirtIODevice *vdev, int n); @@ -302,7 +308,6 @@ EventNotifier *virtio_queue_get_guest_notifier(VirtQueue *vq); void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign, bool with_irqfd); int virtio_device_start_ioeventfd(VirtIODevice *vdev); -void virtio_device_stop_ioeventfd(VirtIODevice *vdev); int virtio_device_grab_ioeventfd(VirtIODevice *vdev); void virtio_device_release_ioeventfd(VirtIODevice *vdev); bool virtio_device_ioeventfd_enabled(VirtIODevice *vdev); |