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-rw-r--r--hw/virtio/virtio.c643
-rw-r--r--include/hw/virtio/vhost.h3
-rw-r--r--include/hw/virtio/virtio.h5
-rw-r--r--qapi/virtio.json251
4 files changed, 874 insertions, 28 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 696e191..6c53056 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -34,11 +34,434 @@
#include "sysemu/dma.h"
#include "sysemu/runstate.h"
#include "standard-headers/linux/virtio_ids.h"
+#include "standard-headers/linux/vhost_types.h"
+#include "standard-headers/linux/virtio_blk.h"
+#include "standard-headers/linux/virtio_console.h"
+#include "standard-headers/linux/virtio_gpu.h"
+#include "standard-headers/linux/virtio_net.h"
+#include "standard-headers/linux/virtio_scsi.h"
+#include "standard-headers/linux/virtio_i2c.h"
+#include "standard-headers/linux/virtio_balloon.h"
+#include "standard-headers/linux/virtio_iommu.h"
+#include "standard-headers/linux/virtio_mem.h"
+#include "standard-headers/linux/virtio_vsock.h"
+#include CONFIG_DEVICES
/* QAPI list of realized VirtIODevices */
static QTAILQ_HEAD(, VirtIODevice) virtio_list;
/*
+ * Maximum size of virtio device config space
+ */
+#define VHOST_USER_MAX_CONFIG_SIZE 256
+
+#define FEATURE_ENTRY(name, desc) (qmp_virtio_feature_map_t) \
+ { .virtio_bit = name, .feature_desc = desc }
+
+enum VhostUserProtocolFeature {
+ VHOST_USER_PROTOCOL_F_MQ = 0,
+ VHOST_USER_PROTOCOL_F_LOG_SHMFD = 1,
+ VHOST_USER_PROTOCOL_F_RARP = 2,
+ VHOST_USER_PROTOCOL_F_REPLY_ACK = 3,
+ VHOST_USER_PROTOCOL_F_NET_MTU = 4,
+ VHOST_USER_PROTOCOL_F_SLAVE_REQ = 5,
+ VHOST_USER_PROTOCOL_F_CROSS_ENDIAN = 6,
+ VHOST_USER_PROTOCOL_F_CRYPTO_SESSION = 7,
+ VHOST_USER_PROTOCOL_F_PAGEFAULT = 8,
+ VHOST_USER_PROTOCOL_F_CONFIG = 9,
+ VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD = 10,
+ VHOST_USER_PROTOCOL_F_HOST_NOTIFIER = 11,
+ VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD = 12,
+ VHOST_USER_PROTOCOL_F_RESET_DEVICE = 13,
+ VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS = 14,
+ VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS = 15,
+ VHOST_USER_PROTOCOL_F_MAX
+};
+
+/* Virtio transport features mapping */
+static qmp_virtio_feature_map_t virtio_transport_map[] = {
+ /* Virtio device transport features */
+#ifndef VIRTIO_CONFIG_NO_LEGACY
+ FEATURE_ENTRY(VIRTIO_F_NOTIFY_ON_EMPTY, \
+ "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. "
+ "descs. on VQ"),
+ FEATURE_ENTRY(VIRTIO_F_ANY_LAYOUT, \
+ "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts"),
+#endif /* !VIRTIO_CONFIG_NO_LEGACY */
+ FEATURE_ENTRY(VIRTIO_F_VERSION_1, \
+ "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"),
+ FEATURE_ENTRY(VIRTIO_F_IOMMU_PLATFORM, \
+ "VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform"),
+ FEATURE_ENTRY(VIRTIO_F_RING_PACKED, \
+ "VIRTIO_F_RING_PACKED: Device supports packed VQ layout"),
+ FEATURE_ENTRY(VIRTIO_F_IN_ORDER, \
+ "VIRTIO_F_IN_ORDER: Device uses buffers in same order as made "
+ "available by driver"),
+ FEATURE_ENTRY(VIRTIO_F_ORDER_PLATFORM, \
+ "VIRTIO_F_ORDER_PLATFORM: Memory accesses ordered by platform"),
+ FEATURE_ENTRY(VIRTIO_F_SR_IOV, \
+ "VIRTIO_F_SR_IOV: Device supports single root I/O virtualization"),
+ /* Virtio ring transport features */
+ FEATURE_ENTRY(VIRTIO_RING_F_INDIRECT_DESC, \
+ "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported"),
+ FEATURE_ENTRY(VIRTIO_RING_F_EVENT_IDX, \
+ "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled"),
+ { -1, "" }
+};
+
+/* Vhost-user protocol features mapping */
+static qmp_virtio_feature_map_t vhost_user_protocol_map[] = {
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_MQ, \
+ "VHOST_USER_PROTOCOL_F_MQ: Multiqueue protocol supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_LOG_SHMFD, \
+ "VHOST_USER_PROTOCOL_F_LOG_SHMFD: Shared log memory fd supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RARP, \
+ "VHOST_USER_PROTOCOL_F_RARP: Vhost-user back-end RARP broadcasting "
+ "supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_REPLY_ACK, \
+ "VHOST_USER_PROTOCOL_F_REPLY_ACK: Requested operation status ack. "
+ "supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_NET_MTU, \
+ "VHOST_USER_PROTOCOL_F_NET_MTU: Expose host MTU to guest supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_SLAVE_REQ, \
+ "VHOST_USER_PROTOCOL_F_SLAVE_REQ: Socket fd for back-end initiated "
+ "requests supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CROSS_ENDIAN, \
+ "VHOST_USER_PROTOCOL_F_CROSS_ENDIAN: Endianness of VQs for legacy "
+ "devices supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CRYPTO_SESSION, \
+ "VHOST_USER_PROTOCOL_F_CRYPTO_SESSION: Session creation for crypto "
+ "operations supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_PAGEFAULT, \
+ "VHOST_USER_PROTOCOL_F_PAGEFAULT: Request servicing on userfaultfd "
+ "for accessed pages supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIG, \
+ "VHOST_USER_PROTOCOL_F_CONFIG: Vhost-user messaging for virtio "
+ "device configuration space supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD, \
+ "VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD: Slave fd communication "
+ "channel supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_HOST_NOTIFIER, \
+ "VHOST_USER_PROTOCOL_F_HOST_NOTIFIER: Host notifiers for specified "
+ "VQs supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD, \
+ "VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD: Shared inflight I/O buffers "
+ "supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RESET_DEVICE, \
+ "VHOST_USER_PROTOCOL_F_RESET_DEVICE: Disabling all rings and "
+ "resetting internal device state supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS, \
+ "VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS: In-band messaging "
+ "supported"),
+ FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS, \
+ "VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS: Configuration for "
+ "memory slots supported"),
+ { -1, "" }
+};
+
+/* virtio device configuration statuses */
+static qmp_virtio_feature_map_t virtio_config_status_map[] = {
+ FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER_OK, \
+ "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"),
+ FEATURE_ENTRY(VIRTIO_CONFIG_S_FEATURES_OK, \
+ "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete"),
+ FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER, \
+ "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device"),
+ FEATURE_ENTRY(VIRTIO_CONFIG_S_NEEDS_RESET, \
+ "VIRTIO_CONFIG_S_NEEDS_RESET: Irrecoverable error, device needs "
+ "reset"),
+ FEATURE_ENTRY(VIRTIO_CONFIG_S_FAILED, \
+ "VIRTIO_CONFIG_S_FAILED: Error in guest, device failed"),
+ FEATURE_ENTRY(VIRTIO_CONFIG_S_ACKNOWLEDGE, \
+ "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found"),
+ { -1, "" }
+};
+
+/* virtio-blk features mapping */
+qmp_virtio_feature_map_t virtio_blk_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_BLK_F_SIZE_MAX, \
+ "VIRTIO_BLK_F_SIZE_MAX: Max segment size is size_max"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_SEG_MAX, \
+ "VIRTIO_BLK_F_SEG_MAX: Max segments in a request is seg_max"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_GEOMETRY, \
+ "VIRTIO_BLK_F_GEOMETRY: Legacy geometry available"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_RO, \
+ "VIRTIO_BLK_F_RO: Device is read-only"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_BLK_SIZE, \
+ "VIRTIO_BLK_F_BLK_SIZE: Block size of disk available"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_TOPOLOGY, \
+ "VIRTIO_BLK_F_TOPOLOGY: Topology information available"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_MQ, \
+ "VIRTIO_BLK_F_MQ: Multiqueue supported"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_DISCARD, \
+ "VIRTIO_BLK_F_DISCARD: Discard command supported"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_WRITE_ZEROES, \
+ "VIRTIO_BLK_F_WRITE_ZEROES: Write zeroes command supported"),
+#ifndef VIRTIO_BLK_NO_LEGACY
+ FEATURE_ENTRY(VIRTIO_BLK_F_BARRIER, \
+ "VIRTIO_BLK_F_BARRIER: Request barriers supported"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_SCSI, \
+ "VIRTIO_BLK_F_SCSI: SCSI packet commands supported"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_FLUSH, \
+ "VIRTIO_BLK_F_FLUSH: Flush command supported"),
+ FEATURE_ENTRY(VIRTIO_BLK_F_CONFIG_WCE, \
+ "VIRTIO_BLK_F_CONFIG_WCE: Cache writeback and writethrough modes "
+ "supported"),
+#endif /* !VIRTIO_BLK_NO_LEGACY */
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio-serial features mapping */
+qmp_virtio_feature_map_t virtio_serial_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_CONSOLE_F_SIZE, \
+ "VIRTIO_CONSOLE_F_SIZE: Host providing console size"),
+ FEATURE_ENTRY(VIRTIO_CONSOLE_F_MULTIPORT, \
+ "VIRTIO_CONSOLE_F_MULTIPORT: Multiple ports for device supported"),
+ FEATURE_ENTRY(VIRTIO_CONSOLE_F_EMERG_WRITE, \
+ "VIRTIO_CONSOLE_F_EMERG_WRITE: Emergency write supported"),
+ { -1, "" }
+};
+
+/* virtio-gpu features mapping */
+qmp_virtio_feature_map_t virtio_gpu_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_GPU_F_VIRGL, \
+ "VIRTIO_GPU_F_VIRGL: Virgl 3D mode supported"),
+ FEATURE_ENTRY(VIRTIO_GPU_F_EDID, \
+ "VIRTIO_GPU_F_EDID: EDID metadata supported"),
+ FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_UUID, \
+ "VIRTIO_GPU_F_RESOURCE_UUID: Resource UUID assigning supported"),
+ FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_BLOB, \
+ "VIRTIO_GPU_F_RESOURCE_BLOB: Size-based blob resources supported"),
+ FEATURE_ENTRY(VIRTIO_GPU_F_CONTEXT_INIT, \
+ "VIRTIO_GPU_F_CONTEXT_INIT: Context types and synchronization "
+ "timelines supported"),
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio-input features mapping */
+qmp_virtio_feature_map_t virtio_input_feature_map[] = {
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio-net features mapping */
+qmp_virtio_feature_map_t virtio_net_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_NET_F_CSUM, \
+ "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum "
+ "supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_GUEST_CSUM, \
+ "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial "
+ "checksum supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \
+ "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading "
+ "reconfig. supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_MTU, \
+ "VIRTIO_NET_F_MTU: Device max MTU reporting supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_MAC, \
+ "VIRTIO_NET_F_MAC: Device has given MAC address"),
+ FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO4, \
+ "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4"),
+ FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO6, \
+ "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6"),
+ FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ECN, \
+ "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN"),
+ FEATURE_ENTRY(VIRTIO_NET_F_GUEST_UFO, \
+ "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO"),
+ FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO4, \
+ "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4"),
+ FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO6, \
+ "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6"),
+ FEATURE_ENTRY(VIRTIO_NET_F_HOST_ECN, \
+ "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN"),
+ FEATURE_ENTRY(VIRTIO_NET_F_HOST_UFO, \
+ "VIRTIO_NET_F_HOST_UFO: Device can receive UFO"),
+ FEATURE_ENTRY(VIRTIO_NET_F_MRG_RXBUF, \
+ "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"),
+ FEATURE_ENTRY(VIRTIO_NET_F_STATUS, \
+ "VIRTIO_NET_F_STATUS: Configuration status field available"),
+ FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VQ, \
+ "VIRTIO_NET_F_CTRL_VQ: Control channel available"),
+ FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX, \
+ "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VLAN, \
+ "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX_EXTRA, \
+ "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ANNOUNCE, \
+ "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets "
+ "supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_MQ, \
+ "VIRTIO_NET_F_MQ: Multiqueue with automatic receive steering "
+ "supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_CTRL_MAC_ADDR, \
+ "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control "
+ "channel"),
+ FEATURE_ENTRY(VIRTIO_NET_F_HASH_REPORT, \
+ "VIRTIO_NET_F_HASH_REPORT: Hash reporting supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_RSS, \
+ "VIRTIO_NET_F_RSS: RSS RX steering supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_RSC_EXT, \
+ "VIRTIO_NET_F_RSC_EXT: Extended coalescing info supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_STANDBY, \
+ "VIRTIO_NET_F_STANDBY: Device acting as standby for primary "
+ "device with same MAC addr. supported"),
+ FEATURE_ENTRY(VIRTIO_NET_F_SPEED_DUPLEX, \
+ "VIRTIO_NET_F_SPEED_DUPLEX: Device set linkspeed and duplex"),
+#ifndef VIRTIO_NET_NO_LEGACY
+ FEATURE_ENTRY(VIRTIO_NET_F_GSO, \
+ "VIRTIO_NET_F_GSO: Handling GSO-type packets supported"),
+#endif /* !VIRTIO_NET_NO_LEGACY */
+ FEATURE_ENTRY(VHOST_NET_F_VIRTIO_NET_HDR, \
+ "VHOST_NET_F_VIRTIO_NET_HDR: Virtio-net headers for RX and TX "
+ "packets supported"),
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio-scsi features mapping */
+qmp_virtio_feature_map_t virtio_scsi_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_SCSI_F_INOUT, \
+ "VIRTIO_SCSI_F_INOUT: Requests including read and writable data "
+ "buffers suppoted"),
+ FEATURE_ENTRY(VIRTIO_SCSI_F_HOTPLUG, \
+ "VIRTIO_SCSI_F_HOTPLUG: Reporting and handling hot-plug events "
+ "supported"),
+ FEATURE_ENTRY(VIRTIO_SCSI_F_CHANGE, \
+ "VIRTIO_SCSI_F_CHANGE: Reporting and handling LUN changes "
+ "supported"),
+ FEATURE_ENTRY(VIRTIO_SCSI_F_T10_PI, \
+ "VIRTIO_SCSI_F_T10_PI: T10 info included in request header"),
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio/vhost-user-fs features mapping */
+qmp_virtio_feature_map_t virtio_fs_feature_map[] = {
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio/vhost-user-i2c features mapping */
+qmp_virtio_feature_map_t virtio_i2c_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_I2C_F_ZERO_LENGTH_REQUEST, \
+ "VIRTIO_I2C_F_ZERO_LEGNTH_REQUEST: Zero length requests supported"),
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio/vhost-vsock features mapping */
+qmp_virtio_feature_map_t virtio_vsock_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_VSOCK_F_SEQPACKET, \
+ "VIRTIO_VSOCK_F_SEQPACKET: SOCK_SEQPACKET supported"),
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/* virtio-balloon features mapping */
+qmp_virtio_feature_map_t virtio_balloon_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_BALLOON_F_MUST_TELL_HOST, \
+ "VIRTIO_BALLOON_F_MUST_TELL_HOST: Tell host before reclaiming "
+ "pages"),
+ FEATURE_ENTRY(VIRTIO_BALLOON_F_STATS_VQ, \
+ "VIRTIO_BALLOON_F_STATS_VQ: Guest memory stats VQ available"),
+ FEATURE_ENTRY(VIRTIO_BALLOON_F_DEFLATE_ON_OOM, \
+ "VIRTIO_BALLOON_F_DEFLATE_ON_OOM: Deflate balloon when guest OOM"),
+ FEATURE_ENTRY(VIRTIO_BALLOON_F_FREE_PAGE_HINT, \
+ "VIRTIO_BALLOON_F_FREE_PAGE_HINT: VQ reporting free pages enabled"),
+ FEATURE_ENTRY(VIRTIO_BALLOON_F_PAGE_POISON, \
+ "VIRTIO_BALLOON_F_PAGE_POISON: Guest page poisoning enabled"),
+ FEATURE_ENTRY(VIRTIO_BALLOON_F_REPORTING, \
+ "VIRTIO_BALLOON_F_REPORTING: Page reporting VQ enabled"),
+ { -1, "" }
+};
+
+/* virtio-crypto features mapping */
+qmp_virtio_feature_map_t virtio_crypto_feature_map[] = {
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ { -1, "" }
+};
+
+/* virtio-iommu features mapping */
+qmp_virtio_feature_map_t virtio_iommu_feature_map[] = {
+ FEATURE_ENTRY(VIRTIO_IOMMU_F_INPUT_RANGE, \
+ "VIRTIO_IOMMU_F_INPUT_RANGE: Range of available virtual addrs. "
+ "available"),
+ FEATURE_ENTRY(VIRTIO_IOMMU_F_DOMAIN_RANGE, \
+ "VIRTIO_IOMMU_F_DOMAIN_RANGE: Number of supported domains "
+ "available"),
+ FEATURE_ENTRY(VIRTIO_IOMMU_F_MAP_UNMAP, \
+ "VIRTIO_IOMMU_F_MAP_UNMAP: Map and unmap requests available"),
+ FEATURE_ENTRY(VIRTIO_IOMMU_F_BYPASS, \
+ "VIRTIO_IOMMU_F_BYPASS: Endpoints not attached to domains are in "
+ "bypass mode"),
+ FEATURE_ENTRY(VIRTIO_IOMMU_F_PROBE, \
+ "VIRTIO_IOMMU_F_PROBE: Probe requests available"),
+ FEATURE_ENTRY(VIRTIO_IOMMU_F_MMIO, \
+ "VIRTIO_IOMMU_F_MMIO: VIRTIO_IOMMU_MAP_F_MMIO flag available"),
+ FEATURE_ENTRY(VIRTIO_IOMMU_F_BYPASS_CONFIG, \
+ "VIRTIO_IOMMU_F_BYPASS_CONFIG: Bypass field of IOMMU config "
+ "available"),
+ { -1, "" }
+};
+
+/* virtio-mem features mapping */
+qmp_virtio_feature_map_t virtio_mem_feature_map[] = {
+#ifndef CONFIG_ACPI
+ FEATURE_ENTRY(VIRTIO_MEM_F_ACPI_PXM, \
+ "VIRTIO_MEM_F_ACPI_PXM: node_id is an ACPI PXM and is valid"),
+#endif /* !CONFIG_ACPI */
+ FEATURE_ENTRY(VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE, \
+ "VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE: Unplugged memory cannot be "
+ "accessed"),
+ { -1, "" }
+};
+
+/* virtio-rng features mapping */
+qmp_virtio_feature_map_t virtio_rng_feature_map[] = {
+ FEATURE_ENTRY(VHOST_F_LOG_ALL, \
+ "VHOST_F_LOG_ALL: Logging write descriptors supported"),
+ FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
+ "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
+ "negotiation supported"),
+ { -1, "" }
+};
+
+/*
* The alignment to use between consumer and producer parts of vring.
* x86 pagesize again. This is the default, used by transports like PCI
* which don't provide a means for the guest to tell the host the alignment.
@@ -3984,6 +4407,203 @@ static VirtIODevice *virtio_device_find(const char *path)
return NULL;
}
+#define CONVERT_FEATURES(type, map, is_status, bitmap) \
+ ({ \
+ type *list = NULL; \
+ type *node; \
+ for (i = 0; map[i].virtio_bit != -1; i++) { \
+ if (is_status) { \
+ bit = map[i].virtio_bit; \
+ } \
+ else { \
+ bit = 1ULL << map[i].virtio_bit; \
+ } \
+ if ((bitmap & bit) == 0) { \
+ continue; \
+ } \
+ node = g_new0(type, 1); \
+ node->value = g_strdup(map[i].feature_desc); \
+ node->next = list; \
+ list = node; \
+ bitmap ^= bit; \
+ } \
+ list; \
+ })
+
+static VirtioDeviceStatus *qmp_decode_status(uint8_t bitmap)
+{
+ VirtioDeviceStatus *status;
+ uint8_t bit;
+ int i;
+
+ status = g_new0(VirtioDeviceStatus, 1);
+ status->statuses = CONVERT_FEATURES(strList, virtio_config_status_map,
+ 1, bitmap);
+ status->has_unknown_statuses = bitmap != 0;
+ if (status->has_unknown_statuses) {
+ status->unknown_statuses = bitmap;
+ }
+
+ return status;
+}
+
+static VhostDeviceProtocols *qmp_decode_protocols(uint64_t bitmap)
+{
+ VhostDeviceProtocols *vhu_protocols;
+ uint64_t bit;
+ int i;
+
+ vhu_protocols = g_new0(VhostDeviceProtocols, 1);
+ vhu_protocols->protocols =
+ CONVERT_FEATURES(strList,
+ vhost_user_protocol_map, 0, bitmap);
+ vhu_protocols->has_unknown_protocols = bitmap != 0;
+ if (vhu_protocols->has_unknown_protocols) {
+ vhu_protocols->unknown_protocols = bitmap;
+ }
+
+ return vhu_protocols;
+}
+
+static VirtioDeviceFeatures *qmp_decode_features(uint16_t device_id,
+ uint64_t bitmap)
+{
+ VirtioDeviceFeatures *features;
+ uint64_t bit;
+ int i;
+
+ features = g_new0(VirtioDeviceFeatures, 1);
+ features->has_dev_features = true;
+
+ /* transport features */
+ features->transports = CONVERT_FEATURES(strList, virtio_transport_map, 0,
+ bitmap);
+
+ /* device features */
+ switch (device_id) {
+#ifdef CONFIG_VIRTIO_SERIAL
+ case VIRTIO_ID_CONSOLE:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_serial_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_BLK
+ case VIRTIO_ID_BLOCK:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_blk_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_GPU
+ case VIRTIO_ID_GPU:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_gpu_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_NET
+ case VIRTIO_ID_NET:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_net_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_SCSI
+ case VIRTIO_ID_SCSI:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_scsi_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_BALLOON
+ case VIRTIO_ID_BALLOON:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_balloon_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_IOMMU
+ case VIRTIO_ID_IOMMU:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_iommu_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_INPUT
+ case VIRTIO_ID_INPUT:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_input_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VHOST_USER_FS
+ case VIRTIO_ID_FS:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_fs_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VHOST_VSOCK
+ case VIRTIO_ID_VSOCK:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_vsock_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_CRYPTO
+ case VIRTIO_ID_CRYPTO:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_crypto_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_MEM
+ case VIRTIO_ID_MEM:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_mem_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_I2C_ADAPTER
+ case VIRTIO_ID_I2C_ADAPTER:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_i2c_feature_map, 0, bitmap);
+ break;
+#endif
+#ifdef CONFIG_VIRTIO_RNG
+ case VIRTIO_ID_RNG:
+ features->dev_features =
+ CONVERT_FEATURES(strList, virtio_rng_feature_map, 0, bitmap);
+ break;
+#endif
+ /* No features */
+ case VIRTIO_ID_9P:
+ case VIRTIO_ID_PMEM:
+ case VIRTIO_ID_IOMEM:
+ case VIRTIO_ID_RPMSG:
+ case VIRTIO_ID_CLOCK:
+ case VIRTIO_ID_MAC80211_WLAN:
+ case VIRTIO_ID_MAC80211_HWSIM:
+ case VIRTIO_ID_RPROC_SERIAL:
+ case VIRTIO_ID_MEMORY_BALLOON:
+ case VIRTIO_ID_CAIF:
+ case VIRTIO_ID_SIGNAL_DIST:
+ case VIRTIO_ID_PSTORE:
+ case VIRTIO_ID_SOUND:
+ case VIRTIO_ID_BT:
+ case VIRTIO_ID_RPMB:
+ case VIRTIO_ID_VIDEO_ENCODER:
+ case VIRTIO_ID_VIDEO_DECODER:
+ case VIRTIO_ID_SCMI:
+ case VIRTIO_ID_NITRO_SEC_MOD:
+ case VIRTIO_ID_WATCHDOG:
+ case VIRTIO_ID_CAN:
+ case VIRTIO_ID_DMABUF:
+ case VIRTIO_ID_PARAM_SERV:
+ case VIRTIO_ID_AUDIO_POLICY:
+ case VIRTIO_ID_GPIO:
+ break;
+ default:
+ g_assert_not_reached();
+ }
+
+ features->has_unknown_dev_features = bitmap != 0;
+ if (features->has_unknown_dev_features) {
+ features->unknown_dev_features = bitmap;
+ }
+
+ return features;
+}
+
VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
{
VirtIODevice *vdev;
@@ -3999,9 +4619,12 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
status->name = g_strdup(vdev->name);
status->device_id = vdev->device_id;
status->vhost_started = vdev->vhost_started;
- status->guest_features = vdev->guest_features;
- status->host_features = vdev->host_features;
- status->backend_features = vdev->backend_features;
+ status->guest_features = qmp_decode_features(vdev->device_id,
+ vdev->guest_features);
+ status->host_features = qmp_decode_features(vdev->device_id,
+ vdev->host_features);
+ status->backend_features = qmp_decode_features(vdev->device_id,
+ vdev->backend_features);
switch (vdev->device_endian) {
case VIRTIO_DEVICE_ENDIAN_LITTLE:
@@ -4016,7 +4639,7 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
}
status->num_vqs = virtio_get_num_queues(vdev);
- status->status = vdev->status;
+ status->status = qmp_decode_status(vdev->status);
status->isr = vdev->isr;
status->queue_sel = vdev->queue_sel;
status->vm_running = vdev->vm_running;
@@ -4039,10 +4662,14 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
status->vhost_dev->n_tmp_sections = hdev->n_tmp_sections;
status->vhost_dev->nvqs = hdev->nvqs;
status->vhost_dev->vq_index = hdev->vq_index;
- status->vhost_dev->features = hdev->features;
- status->vhost_dev->acked_features = hdev->acked_features;
- status->vhost_dev->backend_features = hdev->backend_features;
- status->vhost_dev->protocol_features = hdev->protocol_features;
+ status->vhost_dev->features =
+ qmp_decode_features(vdev->device_id, hdev->features);
+ status->vhost_dev->acked_features =
+ qmp_decode_features(vdev->device_id, hdev->acked_features);
+ status->vhost_dev->backend_features =
+ qmp_decode_features(vdev->device_id, hdev->backend_features);
+ status->vhost_dev->protocol_features =
+ qmp_decode_protocols(hdev->protocol_features);
status->vhost_dev->max_queues = hdev->max_queues;
status->vhost_dev->backend_cap = hdev->backend_cap;
status->vhost_dev->log_enabled = hdev->log_enabled;
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 61b957e..d7eb557 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -5,6 +5,9 @@
#include "hw/virtio/virtio.h"
#include "exec/memory.h"
+#define VHOST_F_DEVICE_IOTLB 63
+#define VHOST_USER_F_PROTOCOL_FEATURES 30
+
/* Generic structures common for any vhost based device. */
struct vhost_inflight {
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 9eeb958..f41b4a7 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -82,6 +82,11 @@ typedef struct VirtQueueElement
#define TYPE_VIRTIO_DEVICE "virtio-device"
OBJECT_DECLARE_TYPE(VirtIODevice, VirtioDeviceClass, VIRTIO_DEVICE)
+typedef struct {
+ int virtio_bit;
+ const char *feature_desc;
+} qmp_virtio_feature_map_t;
+
enum virtio_device_endian {
VIRTIO_DEVICE_ENDIAN_UNKNOWN,
VIRTIO_DEVICE_ENDIAN_LITTLE,
diff --git a/qapi/virtio.json b/qapi/virtio.json
index c86b3bc..c9c8201 100644
--- a/qapi/virtio.json
+++ b/qapi/virtio.json
@@ -106,10 +106,10 @@
'n-tmp-sections': 'int',
'nvqs': 'uint32',
'vq-index': 'int',
- 'features': 'uint64',
- 'acked-features': 'uint64',
- 'backend-features': 'uint64',
- 'protocol-features': 'uint64',
+ 'features': 'VirtioDeviceFeatures',
+ 'acked-features': 'VirtioDeviceFeatures',
+ 'backend-features': 'VirtioDeviceFeatures',
+ 'protocol-features': 'VhostDeviceProtocols',
'max-queues': 'uint64',
'backend-cap': 'uint64',
'log-enabled': 'bool',
@@ -176,11 +176,11 @@
'device-id': 'uint16',
'vhost-started': 'bool',
'device-endian': 'str',
- 'guest-features': 'uint64',
- 'host-features': 'uint64',
- 'backend-features': 'uint64',
+ 'guest-features': 'VirtioDeviceFeatures',
+ 'host-features': 'VirtioDeviceFeatures',
+ 'backend-features': 'VirtioDeviceFeatures',
'num-vqs': 'int',
- 'status': 'uint8',
+ 'status': 'VirtioDeviceStatus',
'isr': 'uint8',
'queue-sel': 'uint16',
'vm-running': 'bool',
@@ -222,14 +222,41 @@
# "name": "virtio-crypto",
# "started": true,
# "device-id": 20,
-# "backend-features": 0,
+# "backend-features": {
+# "transports": [],
+# "dev-features": []
+# },
# "start-on-kick": false,
# "isr": 1,
# "broken": false,
-# "status": 15,
+# "status": {
+# "statuses": [
+# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found",
+# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device",
+# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete",
+# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"
+# ]
+# },
# "num-vqs": 2,
-# "guest-features": 5100273664,
-# "host-features": 6325010432,
+# "guest-features": {
+# "dev-features": [],
+# "transports": [
+# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
+# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
+# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
+# ]
+# },
+# "host-features": {
+# "unknown-dev-features": 1073741824,
+# "dev-features": [],
+# "transports": [
+# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
+# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
+# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
+# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
+# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
+# ]
+# },
# "use-guest-notifier-mask": true,
# "vm-running": true,
# "queue-sel": 1,
@@ -257,22 +284,147 @@
# "max-queues": 1,
# "backend-cap": 2,
# "log-size": 0,
-# "backend-features": 0,
+# "backend-features": {
+# "dev-features": [],
+# "transports": []
+# },
# "nvqs": 2,
-# "protocol-features": 0,
+# "protocol-features": {
+# "protocols": []
+# },
# "vq-index": 0,
# "log-enabled": false,
-# "acked-features": 5100306432,
-# "features": 13908344832
+# "acked-features": {
+# "dev-features": [
+# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"
+# ],
+# "transports": [
+# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
+# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
+# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
+# ]
+# },
+# "features": {
+# "dev-features": [
+# "VHOST_F_LOG_ALL: Logging write descriptors supported",
+# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"
+# ],
+# "transports": [
+# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
+# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
+# "VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform",
+# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
+# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
+# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
+# ]
+# }
+# },
+# "backend-features": {
+# "dev-features": [
+# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported",
+# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported",
+# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
+# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
+# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported",
+# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
+# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
+# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
+# "VIRTIO_NET_F_STATUS: Configuration status field available",
+# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
+# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
+# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
+# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
+# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
+# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
+# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
+# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
+# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
+# "VIRTIO_NET_F_MAC: Device has given MAC address",
+# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
+# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
+# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
+# ],
+# "transports": [
+# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
+# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
+# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
+# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
+# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
+# ]
# },
-# "backend-features": 6337593319,
# "start-on-kick": false,
# "isr": 1,
# "broken": false,
-# "status": 15,
+# "status": {
+# "statuses": [
+# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found",
+# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device",
+# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete",
+# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"
+# ]
+# },
# "num-vqs": 3,
-# "guest-features": 5111807911,
-# "host-features": 6337593319,
+# "guest-features": {
+# "dev-features": [
+# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
+# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
+# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
+# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
+# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
+# "VIRTIO_NET_F_STATUS: Configuration status field available",
+# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
+# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
+# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
+# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
+# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
+# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
+# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
+# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
+# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
+# "VIRTIO_NET_F_MAC: Device has given MAC address",
+# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
+# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
+# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
+# ],
+# "transports": [
+# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
+# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
+# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
+# ]
+# },
+# "host-features": {
+# "dev-features": [
+# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported",
+# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported",
+# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
+# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
+# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported",
+# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
+# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
+# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
+# "VIRTIO_NET_F_STATUS: Configuration status field available",
+# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
+# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
+# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
+# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
+# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
+# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
+# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
+# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
+# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
+# "VIRTIO_NET_F_MAC: Device has given MAC address",
+# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
+# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
+# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
+# ],
+# "transports": [
+# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
+# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
+# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
+# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
+# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
+# ]
+# },
# "use-guest-notifier-mask": true,
# "vm-running": true,
# "queue-sel": 2,
@@ -288,3 +440,62 @@
'data': { 'path': 'str' },
'returns': 'VirtioStatus',
'features': [ 'unstable' ] }
+
+##
+# @VirtioDeviceStatus:
+#
+# A structure defined to list the configuration statuses of a virtio
+# device
+#
+# @statuses: List of decoded configuration statuses of the virtio
+# device
+#
+# @unknown-statuses: Virtio device statuses bitmap that have not been decoded
+#
+# Since: 7.1
+##
+
+{ 'struct': 'VirtioDeviceStatus',
+ 'data': { 'statuses': [ 'str' ],
+ '*unknown-statuses': 'uint8' } }
+
+##
+# @VhostDeviceProtocols:
+#
+# A structure defined to list the vhost user protocol features of a
+# Vhost User device
+#
+# @protocols: List of decoded vhost user protocol features of a vhost
+# user device
+#
+# @unknown-protocols: Vhost user device protocol features bitmap that
+# have not been decoded
+#
+# Since: 7.1
+##
+
+{ 'struct': 'VhostDeviceProtocols',
+ 'data': { 'protocols': [ 'str' ],
+ '*unknown-protocols': 'uint64' } }
+
+##
+# @VirtioDeviceFeatures:
+#
+# The common fields that apply to most Virtio devices. Some devices
+# may not have their own device-specific features (e.g. virtio-rng).
+#
+# @transports: List of transport features of the virtio device
+#
+# @dev-features: List of device-specific features (if the device has
+# unique features)
+#
+# @unknown-dev-features: Virtio device features bitmap that have not
+# been decoded
+#
+# Since: 7.1
+##
+
+{ 'struct': 'VirtioDeviceFeatures',
+ 'data': { 'transports': [ 'str' ],
+ '*dev-features': [ 'str' ],
+ '*unknown-dev-features': 'uint64' } }
generated by cgit v1.1 at 2024-09-28 17:20:33 +0000