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841 lines
33 KiB
C
841 lines
33 KiB
C
/*
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* Virtio QMP helpers
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*
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* Copyright IBM, Corp. 2007
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "virtio-qmp.h"
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#include "qapi/error.h"
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#include "qapi/qapi-commands-virtio.h"
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#include "qapi/qapi-commands-qom.h"
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#include "qapi/qmp/qobject.h"
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#include "qapi/qmp/qjson.h"
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#include "hw/virtio/vhost-user.h"
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#include "standard-headers/linux/virtio_ids.h"
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#include "standard-headers/linux/vhost_types.h"
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#include "standard-headers/linux/virtio_blk.h"
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#include "standard-headers/linux/virtio_console.h"
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#include "standard-headers/linux/virtio_gpu.h"
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#include "standard-headers/linux/virtio_net.h"
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#include "standard-headers/linux/virtio_scsi.h"
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#include "standard-headers/linux/virtio_i2c.h"
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#include "standard-headers/linux/virtio_balloon.h"
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#include "standard-headers/linux/virtio_iommu.h"
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#include "standard-headers/linux/virtio_mem.h"
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#include "standard-headers/linux/virtio_vsock.h"
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#include "standard-headers/linux/virtio_gpio.h"
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#include CONFIG_DEVICES
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#define FEATURE_ENTRY(name, desc) (qmp_virtio_feature_map_t) \
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{ .virtio_bit = name, .feature_desc = desc }
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/* Virtio transport features mapping */
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static const qmp_virtio_feature_map_t virtio_transport_map[] = {
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/* Virtio device transport features */
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#ifndef VIRTIO_CONFIG_NO_LEGACY
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FEATURE_ENTRY(VIRTIO_F_NOTIFY_ON_EMPTY, \
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"VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. "
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"descs. on VQ"),
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FEATURE_ENTRY(VIRTIO_F_ANY_LAYOUT, \
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"VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts"),
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#endif /* !VIRTIO_CONFIG_NO_LEGACY */
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FEATURE_ENTRY(VIRTIO_F_VERSION_1, \
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"VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"),
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FEATURE_ENTRY(VIRTIO_F_IOMMU_PLATFORM, \
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"VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform"),
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FEATURE_ENTRY(VIRTIO_F_RING_PACKED, \
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"VIRTIO_F_RING_PACKED: Device supports packed VQ layout"),
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FEATURE_ENTRY(VIRTIO_F_IN_ORDER, \
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"VIRTIO_F_IN_ORDER: Device uses buffers in same order as made "
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"available by driver"),
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FEATURE_ENTRY(VIRTIO_F_ORDER_PLATFORM, \
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"VIRTIO_F_ORDER_PLATFORM: Memory accesses ordered by platform"),
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FEATURE_ENTRY(VIRTIO_F_SR_IOV, \
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"VIRTIO_F_SR_IOV: Device supports single root I/O virtualization"),
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FEATURE_ENTRY(VIRTIO_F_RING_RESET, \
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"VIRTIO_F_RING_RESET: Driver can reset a queue individually"),
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/* Virtio ring transport features */
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FEATURE_ENTRY(VIRTIO_RING_F_INDIRECT_DESC, \
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"VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported"),
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FEATURE_ENTRY(VIRTIO_RING_F_EVENT_IDX, \
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"VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled"),
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{ -1, "" }
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};
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/* Vhost-user protocol features mapping */
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static const qmp_virtio_feature_map_t vhost_user_protocol_map[] = {
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_MQ, \
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"VHOST_USER_PROTOCOL_F_MQ: Multiqueue protocol supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_LOG_SHMFD, \
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"VHOST_USER_PROTOCOL_F_LOG_SHMFD: Shared log memory fd supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RARP, \
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"VHOST_USER_PROTOCOL_F_RARP: Vhost-user back-end RARP broadcasting "
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"supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_REPLY_ACK, \
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"VHOST_USER_PROTOCOL_F_REPLY_ACK: Requested operation status ack. "
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"supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_NET_MTU, \
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"VHOST_USER_PROTOCOL_F_NET_MTU: Expose host MTU to guest supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_BACKEND_REQ, \
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"VHOST_USER_PROTOCOL_F_BACKEND_REQ: Socket fd for back-end initiated "
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"requests supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CROSS_ENDIAN, \
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"VHOST_USER_PROTOCOL_F_CROSS_ENDIAN: Endianness of VQs for legacy "
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"devices supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CRYPTO_SESSION, \
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"VHOST_USER_PROTOCOL_F_CRYPTO_SESSION: Session creation for crypto "
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"operations supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_PAGEFAULT, \
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"VHOST_USER_PROTOCOL_F_PAGEFAULT: Request servicing on userfaultfd "
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"for accessed pages supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIG, \
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"VHOST_USER_PROTOCOL_F_CONFIG: Vhost-user messaging for virtio "
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"device configuration space supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_BACKEND_SEND_FD, \
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"VHOST_USER_PROTOCOL_F_BACKEND_SEND_FD: Backend fd communication "
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"channel supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_HOST_NOTIFIER, \
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"VHOST_USER_PROTOCOL_F_HOST_NOTIFIER: Host notifiers for specified "
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"VQs supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD, \
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"VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD: Shared inflight I/O buffers "
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"supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RESET_DEVICE, \
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"VHOST_USER_PROTOCOL_F_RESET_DEVICE: Disabling all rings and "
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"resetting internal device state supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS, \
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"VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS: In-band messaging "
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"supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS, \
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"VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS: Configuration for "
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"memory slots supported"),
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FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_STATUS, \
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"VHOST_USER_PROTOCOL_F_STATUS: Querying and notifying back-end "
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"device status supported"),
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{ -1, "" }
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};
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/* virtio device configuration statuses */
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static const qmp_virtio_feature_map_t virtio_config_status_map[] = {
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FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER_OK, \
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"VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"),
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FEATURE_ENTRY(VIRTIO_CONFIG_S_FEATURES_OK, \
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"VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete"),
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FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER, \
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"VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device"),
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FEATURE_ENTRY(VIRTIO_CONFIG_S_NEEDS_RESET, \
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"VIRTIO_CONFIG_S_NEEDS_RESET: Irrecoverable error, device needs "
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"reset"),
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FEATURE_ENTRY(VIRTIO_CONFIG_S_FAILED, \
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"VIRTIO_CONFIG_S_FAILED: Error in guest, device failed"),
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FEATURE_ENTRY(VIRTIO_CONFIG_S_ACKNOWLEDGE, \
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"VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found"),
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{ -1, "" }
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};
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/* virtio-blk features mapping */
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#ifdef CONFIG_VIRTIO_BLK
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static const qmp_virtio_feature_map_t virtio_blk_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_BLK_F_SIZE_MAX, \
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"VIRTIO_BLK_F_SIZE_MAX: Max segment size is size_max"),
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FEATURE_ENTRY(VIRTIO_BLK_F_SEG_MAX, \
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"VIRTIO_BLK_F_SEG_MAX: Max segments in a request is seg_max"),
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FEATURE_ENTRY(VIRTIO_BLK_F_GEOMETRY, \
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"VIRTIO_BLK_F_GEOMETRY: Legacy geometry available"),
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FEATURE_ENTRY(VIRTIO_BLK_F_RO, \
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"VIRTIO_BLK_F_RO: Device is read-only"),
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FEATURE_ENTRY(VIRTIO_BLK_F_BLK_SIZE, \
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"VIRTIO_BLK_F_BLK_SIZE: Block size of disk available"),
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FEATURE_ENTRY(VIRTIO_BLK_F_TOPOLOGY, \
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"VIRTIO_BLK_F_TOPOLOGY: Topology information available"),
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FEATURE_ENTRY(VIRTIO_BLK_F_MQ, \
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"VIRTIO_BLK_F_MQ: Multiqueue supported"),
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FEATURE_ENTRY(VIRTIO_BLK_F_DISCARD, \
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"VIRTIO_BLK_F_DISCARD: Discard command supported"),
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FEATURE_ENTRY(VIRTIO_BLK_F_WRITE_ZEROES, \
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"VIRTIO_BLK_F_WRITE_ZEROES: Write zeroes command supported"),
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FEATURE_ENTRY(VIRTIO_BLK_F_SECURE_ERASE, \
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"VIRTIO_BLK_F_SECURE_ERASE: Secure erase supported"),
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FEATURE_ENTRY(VIRTIO_BLK_F_ZONED, \
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"VIRTIO_BLK_F_ZONED: Zoned block devices"),
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#ifndef VIRTIO_BLK_NO_LEGACY
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FEATURE_ENTRY(VIRTIO_BLK_F_BARRIER, \
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"VIRTIO_BLK_F_BARRIER: Request barriers supported"),
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FEATURE_ENTRY(VIRTIO_BLK_F_SCSI, \
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"VIRTIO_BLK_F_SCSI: SCSI packet commands supported"),
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FEATURE_ENTRY(VIRTIO_BLK_F_FLUSH, \
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"VIRTIO_BLK_F_FLUSH: Flush command supported"),
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FEATURE_ENTRY(VIRTIO_BLK_F_CONFIG_WCE, \
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"VIRTIO_BLK_F_CONFIG_WCE: Cache writeback and writethrough modes "
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"supported"),
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#endif /* !VIRTIO_BLK_NO_LEGACY */
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FEATURE_ENTRY(VHOST_F_LOG_ALL, \
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"VHOST_F_LOG_ALL: Logging write descriptors supported"),
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FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
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"VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
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"negotiation supported"),
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{ -1, "" }
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};
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#endif
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/* virtio-serial features mapping */
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#ifdef CONFIG_VIRTIO_SERIAL
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static const qmp_virtio_feature_map_t virtio_serial_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_CONSOLE_F_SIZE, \
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"VIRTIO_CONSOLE_F_SIZE: Host providing console size"),
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FEATURE_ENTRY(VIRTIO_CONSOLE_F_MULTIPORT, \
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"VIRTIO_CONSOLE_F_MULTIPORT: Multiple ports for device supported"),
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FEATURE_ENTRY(VIRTIO_CONSOLE_F_EMERG_WRITE, \
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"VIRTIO_CONSOLE_F_EMERG_WRITE: Emergency write supported"),
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{ -1, "" }
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};
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#endif
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/* virtio-gpu features mapping */
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#ifdef CONFIG_VIRTIO_GPU
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static const qmp_virtio_feature_map_t virtio_gpu_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_GPU_F_VIRGL, \
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"VIRTIO_GPU_F_VIRGL: Virgl 3D mode supported"),
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FEATURE_ENTRY(VIRTIO_GPU_F_EDID, \
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"VIRTIO_GPU_F_EDID: EDID metadata supported"),
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FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_UUID, \
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"VIRTIO_GPU_F_RESOURCE_UUID: Resource UUID assigning supported"),
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FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_BLOB, \
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"VIRTIO_GPU_F_RESOURCE_BLOB: Size-based blob resources supported"),
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FEATURE_ENTRY(VIRTIO_GPU_F_CONTEXT_INIT, \
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"VIRTIO_GPU_F_CONTEXT_INIT: Context types and synchronization "
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"timelines supported"),
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FEATURE_ENTRY(VHOST_F_LOG_ALL, \
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"VHOST_F_LOG_ALL: Logging write descriptors supported"),
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FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
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"VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
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"negotiation supported"),
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{ -1, "" }
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};
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#endif
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/* virtio-input features mapping */
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#ifdef CONFIG_VIRTIO_INPUT
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static const qmp_virtio_feature_map_t virtio_input_feature_map[] = {
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FEATURE_ENTRY(VHOST_F_LOG_ALL, \
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"VHOST_F_LOG_ALL: Logging write descriptors supported"),
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FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
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"VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
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"negotiation supported"),
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{ -1, "" }
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};
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#endif
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/* virtio-net features mapping */
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#ifdef CONFIG_VIRTIO_NET
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static const qmp_virtio_feature_map_t virtio_net_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_NET_F_CSUM, \
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"VIRTIO_NET_F_CSUM: Device handling packets with partial checksum "
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"supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_CSUM, \
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"VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial "
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"checksum supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \
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"VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading "
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"reconfig. supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_MTU, \
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"VIRTIO_NET_F_MTU: Device max MTU reporting supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_MAC, \
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"VIRTIO_NET_F_MAC: Device has given MAC address"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO4, \
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"VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO6, \
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"VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ECN, \
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"VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_UFO, \
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"VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO"),
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FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO4, \
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"VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4"),
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FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO6, \
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"VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6"),
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FEATURE_ENTRY(VIRTIO_NET_F_HOST_ECN, \
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"VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN"),
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FEATURE_ENTRY(VIRTIO_NET_F_HOST_UFO, \
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"VIRTIO_NET_F_HOST_UFO: Device can receive UFO"),
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FEATURE_ENTRY(VIRTIO_NET_F_MRG_RXBUF, \
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"VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"),
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FEATURE_ENTRY(VIRTIO_NET_F_STATUS, \
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"VIRTIO_NET_F_STATUS: Configuration status field available"),
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FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VQ, \
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"VIRTIO_NET_F_CTRL_VQ: Control channel available"),
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FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX, \
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"VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VLAN, \
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"VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX_EXTRA, \
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"VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ANNOUNCE, \
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"VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets "
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"supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_MQ, \
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"VIRTIO_NET_F_MQ: Multiqueue with automatic receive steering "
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"supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_CTRL_MAC_ADDR, \
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"VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control "
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"channel"),
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FEATURE_ENTRY(VIRTIO_NET_F_NOTF_COAL, \
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"VIRTIO_NET_F_NOTF_COAL: Device supports coalescing notifications"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_USO4, \
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"VIRTIO_NET_F_GUEST_USO4: Driver can receive USOv4"),
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FEATURE_ENTRY(VIRTIO_NET_F_GUEST_USO6, \
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"VIRTIO_NET_F_GUEST_USO4: Driver can receive USOv6"),
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FEATURE_ENTRY(VIRTIO_NET_F_HOST_USO, \
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"VIRTIO_NET_F_HOST_USO: Device can receive USO"),
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FEATURE_ENTRY(VIRTIO_NET_F_HASH_REPORT, \
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"VIRTIO_NET_F_HASH_REPORT: Hash reporting supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_RSS, \
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"VIRTIO_NET_F_RSS: RSS RX steering supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_RSC_EXT, \
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"VIRTIO_NET_F_RSC_EXT: Extended coalescing info supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_STANDBY, \
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"VIRTIO_NET_F_STANDBY: Device acting as standby for primary "
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"device with same MAC addr. supported"),
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FEATURE_ENTRY(VIRTIO_NET_F_SPEED_DUPLEX, \
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"VIRTIO_NET_F_SPEED_DUPLEX: Device set linkspeed and duplex"),
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#ifndef VIRTIO_NET_NO_LEGACY
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FEATURE_ENTRY(VIRTIO_NET_F_GSO, \
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"VIRTIO_NET_F_GSO: Handling GSO-type packets supported"),
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#endif /* !VIRTIO_NET_NO_LEGACY */
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FEATURE_ENTRY(VHOST_NET_F_VIRTIO_NET_HDR, \
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"VHOST_NET_F_VIRTIO_NET_HDR: Virtio-net headers for RX and TX "
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"packets supported"),
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FEATURE_ENTRY(VHOST_F_LOG_ALL, \
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"VHOST_F_LOG_ALL: Logging write descriptors supported"),
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FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
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"VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
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"negotiation supported"),
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{ -1, "" }
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};
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#endif
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/* virtio-scsi features mapping */
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#ifdef CONFIG_VIRTIO_SCSI
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static const qmp_virtio_feature_map_t virtio_scsi_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_SCSI_F_INOUT, \
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"VIRTIO_SCSI_F_INOUT: Requests including read and writable data "
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"buffers supported"),
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FEATURE_ENTRY(VIRTIO_SCSI_F_HOTPLUG, \
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"VIRTIO_SCSI_F_HOTPLUG: Reporting and handling hot-plug events "
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"supported"),
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FEATURE_ENTRY(VIRTIO_SCSI_F_CHANGE, \
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"VIRTIO_SCSI_F_CHANGE: Reporting and handling LUN changes "
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"supported"),
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FEATURE_ENTRY(VIRTIO_SCSI_F_T10_PI, \
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"VIRTIO_SCSI_F_T10_PI: T10 info included in request header"),
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FEATURE_ENTRY(VHOST_F_LOG_ALL, \
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"VHOST_F_LOG_ALL: Logging write descriptors supported"),
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FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
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"VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
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"negotiation supported"),
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{ -1, "" }
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};
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#endif
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|
|
/* virtio/vhost-user-fs features mapping */
|
|
#ifdef CONFIG_VHOST_USER_FS
|
|
static const 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, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio/vhost-user-i2c features mapping */
|
|
#ifdef CONFIG_VIRTIO_I2C_ADAPTER
|
|
static const 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, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio/vhost-vsock features mapping */
|
|
#ifdef CONFIG_VHOST_VSOCK
|
|
static const 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, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio-balloon features mapping */
|
|
#ifdef CONFIG_VIRTIO_BALLOON
|
|
static const 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, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio-crypto features mapping */
|
|
#ifdef CONFIG_VIRTIO_CRYPTO
|
|
static const qmp_virtio_feature_map_t virtio_crypto_feature_map[] = {
|
|
FEATURE_ENTRY(VHOST_F_LOG_ALL, \
|
|
"VHOST_F_LOG_ALL: Logging write descriptors supported"),
|
|
{ -1, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio-iommu features mapping */
|
|
#ifdef CONFIG_VIRTIO_IOMMU
|
|
static const 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, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio-mem features mapping */
|
|
#ifdef CONFIG_VIRTIO_MEM
|
|
static const 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"),
|
|
FEATURE_ENTRY(VIRTIO_MEM_F_PERSISTENT_SUSPEND, \
|
|
"VIRTIO_MEM_F_PERSISTENT_SUSPND: Plugged memory will remain "
|
|
"plugged when suspending+resuming"),
|
|
{ -1, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio-rng features mapping */
|
|
#ifdef CONFIG_VIRTIO_RNG
|
|
static const 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, "" }
|
|
};
|
|
#endif
|
|
|
|
/* virtio/vhost-gpio features mapping */
|
|
#ifdef CONFIG_VHOST_USER_GPIO
|
|
static const qmp_virtio_feature_map_t virtio_gpio_feature_map[] = {
|
|
FEATURE_ENTRY(VIRTIO_GPIO_F_IRQ, \
|
|
"VIRTIO_GPIO_F_IRQ: Device supports interrupts on GPIO lines"),
|
|
FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
|
|
"VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
|
|
"negotiation supported"),
|
|
{ -1, "" }
|
|
};
|
|
#endif
|
|
|
|
#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; \
|
|
})
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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
|
|
#ifdef CONFIG_VHOST_USER_GPIO
|
|
case VIRTIO_ID_GPIO:
|
|
features->dev_features =
|
|
CONVERT_FEATURES(strList, virtio_gpio_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:
|
|
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;
|
|
}
|
|
|
|
static int query_dev_child(Object *child, void *opaque)
|
|
{
|
|
VirtioInfoList **vdevs = opaque;
|
|
Object *dev = object_dynamic_cast(child, TYPE_VIRTIO_DEVICE);
|
|
if (dev != NULL && DEVICE(dev)->realized) {
|
|
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
|
|
VirtioInfo *info = g_new(VirtioInfo, 1);
|
|
|
|
/* Get canonical path & name of device */
|
|
info->path = object_get_canonical_path(dev);
|
|
info->name = g_strdup(vdev->name);
|
|
QAPI_LIST_PREPEND(*vdevs, info);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
VirtioInfoList *qmp_x_query_virtio(Error **errp)
|
|
{
|
|
VirtioInfoList *vdevs = NULL;
|
|
|
|
/* Query the QOM composition tree recursively for virtio devices */
|
|
object_child_foreach_recursive(object_get_root(), query_dev_child, &vdevs);
|
|
if (vdevs == NULL) {
|
|
error_setg(errp, "No virtio devices found");
|
|
}
|
|
return vdevs;
|
|
}
|
|
|
|
VirtIODevice *qmp_find_virtio_device(const char *path)
|
|
{
|
|
/* Verify the canonical path is a realized virtio device */
|
|
Object *dev = object_dynamic_cast(object_resolve_path(path, NULL),
|
|
TYPE_VIRTIO_DEVICE);
|
|
if (!dev || !DEVICE(dev)->realized) {
|
|
return NULL;
|
|
}
|
|
return VIRTIO_DEVICE(dev);
|
|
}
|
|
|
|
VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
|
|
{
|
|
VirtIODevice *vdev;
|
|
VirtioStatus *status;
|
|
|
|
vdev = qmp_find_virtio_device(path);
|
|
if (vdev == NULL) {
|
|
error_setg(errp, "Path %s is not a realized VirtIODevice", path);
|
|
return NULL;
|
|
}
|
|
|
|
status = g_new0(VirtioStatus, 1);
|
|
status->name = g_strdup(vdev->name);
|
|
status->device_id = vdev->device_id;
|
|
status->vhost_started = vdev->vhost_started;
|
|
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:
|
|
status->device_endian = g_strdup("little");
|
|
break;
|
|
case VIRTIO_DEVICE_ENDIAN_BIG:
|
|
status->device_endian = g_strdup("big");
|
|
break;
|
|
default:
|
|
status->device_endian = g_strdup("unknown");
|
|
break;
|
|
}
|
|
|
|
status->num_vqs = virtio_get_num_queues(vdev);
|
|
status->status = qmp_decode_status(vdev->status);
|
|
status->isr = vdev->isr;
|
|
status->queue_sel = vdev->queue_sel;
|
|
status->vm_running = vdev->vm_running;
|
|
status->broken = vdev->broken;
|
|
status->disabled = vdev->disabled;
|
|
status->use_started = vdev->use_started;
|
|
status->started = vdev->started;
|
|
status->start_on_kick = vdev->start_on_kick;
|
|
status->disable_legacy_check = vdev->disable_legacy_check;
|
|
status->bus_name = g_strdup(vdev->bus_name);
|
|
status->use_guest_notifier_mask = vdev->use_guest_notifier_mask;
|
|
|
|
if (vdev->vhost_started) {
|
|
VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
|
|
struct vhost_dev *hdev = vdc->get_vhost(vdev);
|
|
|
|
status->vhost_dev = g_new0(VhostStatus, 1);
|
|
status->vhost_dev->n_mem_sections = hdev->n_mem_sections;
|
|
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 =
|
|
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;
|
|
status->vhost_dev->log_size = hdev->log_size;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
VirtVhostQueueStatus *qmp_x_query_virtio_vhost_queue_status(const char *path,
|
|
uint16_t queue,
|
|
Error **errp)
|
|
{
|
|
VirtIODevice *vdev;
|
|
VirtVhostQueueStatus *status;
|
|
|
|
vdev = qmp_find_virtio_device(path);
|
|
if (vdev == NULL) {
|
|
error_setg(errp, "Path %s is not a VirtIODevice", path);
|
|
return NULL;
|
|
}
|
|
|
|
if (!vdev->vhost_started) {
|
|
error_setg(errp, "Error: vhost device has not started yet");
|
|
return NULL;
|
|
}
|
|
|
|
VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
|
|
struct vhost_dev *hdev = vdc->get_vhost(vdev);
|
|
|
|
if (queue < hdev->vq_index || queue >= hdev->vq_index + hdev->nvqs) {
|
|
error_setg(errp, "Invalid vhost virtqueue number %d", queue);
|
|
return NULL;
|
|
}
|
|
|
|
status = g_new0(VirtVhostQueueStatus, 1);
|
|
status->name = g_strdup(vdev->name);
|
|
status->kick = hdev->vqs[queue].kick;
|
|
status->call = hdev->vqs[queue].call;
|
|
status->desc = (uintptr_t)hdev->vqs[queue].desc;
|
|
status->avail = (uintptr_t)hdev->vqs[queue].avail;
|
|
status->used = (uintptr_t)hdev->vqs[queue].used;
|
|
status->num = hdev->vqs[queue].num;
|
|
status->desc_phys = hdev->vqs[queue].desc_phys;
|
|
status->desc_size = hdev->vqs[queue].desc_size;
|
|
status->avail_phys = hdev->vqs[queue].avail_phys;
|
|
status->avail_size = hdev->vqs[queue].avail_size;
|
|
status->used_phys = hdev->vqs[queue].used_phys;
|
|
status->used_size = hdev->vqs[queue].used_size;
|
|
|
|
return status;
|
|
}
|