28b629ab4a
The monitor decoders are the only functions using the CONFIG_xxx definitions declared in the target specific CONFIG_DEVICES header. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20221213111707.34921-7-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <a class="moz-txt-link-rfc2396E" href="mailto:philmd@linaro.org"><philmd@linaro.org></a>
660 lines
26 KiB
C
660 lines
26 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 "hw/virtio/virtio.h"
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#include "virtio-qmp.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 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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enum VhostUserProtocolFeature {
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VHOST_USER_PROTOCOL_F_MQ = 0,
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VHOST_USER_PROTOCOL_F_LOG_SHMFD = 1,
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VHOST_USER_PROTOCOL_F_RARP = 2,
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VHOST_USER_PROTOCOL_F_REPLY_ACK = 3,
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VHOST_USER_PROTOCOL_F_NET_MTU = 4,
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VHOST_USER_PROTOCOL_F_SLAVE_REQ = 5,
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VHOST_USER_PROTOCOL_F_CROSS_ENDIAN = 6,
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VHOST_USER_PROTOCOL_F_CRYPTO_SESSION = 7,
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VHOST_USER_PROTOCOL_F_PAGEFAULT = 8,
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VHOST_USER_PROTOCOL_F_CONFIG = 9,
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VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD = 10,
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VHOST_USER_PROTOCOL_F_HOST_NOTIFIER = 11,
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VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD = 12,
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VHOST_USER_PROTOCOL_F_RESET_DEVICE = 13,
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VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS = 14,
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VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS = 15,
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VHOST_USER_PROTOCOL_F_MAX
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};
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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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/* 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_SLAVE_REQ, \
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"VHOST_USER_PROTOCOL_F_SLAVE_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_SLAVE_SEND_FD, \
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"VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD: Slave 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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{ -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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#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_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 suppoted"),
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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 */
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#ifdef CONFIG_VHOST_USER_FS
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static const qmp_virtio_feature_map_t virtio_fs_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/vhost-user-i2c features mapping */
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#ifdef CONFIG_VIRTIO_I2C_ADAPTER
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static const qmp_virtio_feature_map_t virtio_i2c_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_I2C_F_ZERO_LENGTH_REQUEST, \
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"VIRTIO_I2C_F_ZERO_LEGNTH_REQUEST: Zero length requests 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/vhost-vsock features mapping */
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#ifdef CONFIG_VHOST_VSOCK
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static const qmp_virtio_feature_map_t virtio_vsock_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_VSOCK_F_SEQPACKET, \
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"VIRTIO_VSOCK_F_SEQPACKET: SOCK_SEQPACKET 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-balloon features mapping */
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#ifdef CONFIG_VIRTIO_BALLOON
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static const qmp_virtio_feature_map_t virtio_balloon_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_BALLOON_F_MUST_TELL_HOST, \
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"VIRTIO_BALLOON_F_MUST_TELL_HOST: Tell host before reclaiming "
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"pages"),
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FEATURE_ENTRY(VIRTIO_BALLOON_F_STATS_VQ, \
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"VIRTIO_BALLOON_F_STATS_VQ: Guest memory stats VQ available"),
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FEATURE_ENTRY(VIRTIO_BALLOON_F_DEFLATE_ON_OOM, \
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"VIRTIO_BALLOON_F_DEFLATE_ON_OOM: Deflate balloon when guest OOM"),
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FEATURE_ENTRY(VIRTIO_BALLOON_F_FREE_PAGE_HINT, \
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"VIRTIO_BALLOON_F_FREE_PAGE_HINT: VQ reporting free pages enabled"),
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FEATURE_ENTRY(VIRTIO_BALLOON_F_PAGE_POISON, \
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"VIRTIO_BALLOON_F_PAGE_POISON: Guest page poisoning enabled"),
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FEATURE_ENTRY(VIRTIO_BALLOON_F_REPORTING, \
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"VIRTIO_BALLOON_F_REPORTING: Page reporting VQ enabled"),
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{ -1, "" }
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};
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#endif
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/* virtio-crypto features mapping */
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#ifdef CONFIG_VIRTIO_CRYPTO
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static const qmp_virtio_feature_map_t virtio_crypto_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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{ -1, "" }
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};
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#endif
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/* virtio-iommu features mapping */
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#ifdef CONFIG_VIRTIO_IOMMU
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static const qmp_virtio_feature_map_t virtio_iommu_feature_map[] = {
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FEATURE_ENTRY(VIRTIO_IOMMU_F_INPUT_RANGE, \
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"VIRTIO_IOMMU_F_INPUT_RANGE: Range of available virtual addrs. "
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"available"),
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FEATURE_ENTRY(VIRTIO_IOMMU_F_DOMAIN_RANGE, \
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"VIRTIO_IOMMU_F_DOMAIN_RANGE: Number of supported domains "
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"available"),
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FEATURE_ENTRY(VIRTIO_IOMMU_F_MAP_UNMAP, \
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"VIRTIO_IOMMU_F_MAP_UNMAP: Map and unmap requests available"),
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FEATURE_ENTRY(VIRTIO_IOMMU_F_BYPASS, \
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"VIRTIO_IOMMU_F_BYPASS: Endpoints not attached to domains are in "
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"bypass mode"),
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FEATURE_ENTRY(VIRTIO_IOMMU_F_PROBE, \
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"VIRTIO_IOMMU_F_PROBE: Probe requests available"),
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FEATURE_ENTRY(VIRTIO_IOMMU_F_MMIO, \
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"VIRTIO_IOMMU_F_MMIO: VIRTIO_IOMMU_MAP_F_MMIO flag available"),
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FEATURE_ENTRY(VIRTIO_IOMMU_F_BYPASS_CONFIG, \
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"VIRTIO_IOMMU_F_BYPASS_CONFIG: Bypass field of IOMMU config "
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"available"),
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{ -1, "" }
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};
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#endif
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/* virtio-mem features mapping */
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#ifdef CONFIG_VIRTIO_MEM
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static const qmp_virtio_feature_map_t virtio_mem_feature_map[] = {
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#ifndef CONFIG_ACPI
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FEATURE_ENTRY(VIRTIO_MEM_F_ACPI_PXM, \
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"VIRTIO_MEM_F_ACPI_PXM: node_id is an ACPI PXM and is valid"),
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#endif /* !CONFIG_ACPI */
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FEATURE_ENTRY(VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE, \
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"VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE: Unplugged memory cannot be "
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"accessed"),
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{ -1, "" }
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};
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#endif
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/* virtio-rng features mapping */
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#ifdef CONFIG_VIRTIO_RNG
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static const qmp_virtio_feature_map_t virtio_rng_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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#define CONVERT_FEATURES(type, map, is_status, bitmap) \
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({ \
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type *list = NULL; \
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type *node; \
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for (i = 0; map[i].virtio_bit != -1; i++) { \
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if (is_status) { \
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bit = map[i].virtio_bit; \
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} \
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else { \
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bit = 1ULL << map[i].virtio_bit; \
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} \
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if ((bitmap & bit) == 0) { \
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continue; \
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} \
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node = g_new0(type, 1); \
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node->value = g_strdup(map[i].feature_desc); \
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node->next = list; \
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list = node; \
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bitmap ^= bit; \
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} \
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list; \
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})
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VirtioDeviceStatus *qmp_decode_status(uint8_t bitmap)
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{
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VirtioDeviceStatus *status;
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uint8_t bit;
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int i;
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status = g_new0(VirtioDeviceStatus, 1);
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status->statuses = CONVERT_FEATURES(strList, virtio_config_status_map,
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1, bitmap);
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status->has_unknown_statuses = bitmap != 0;
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if (status->has_unknown_statuses) {
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status->unknown_statuses = bitmap;
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}
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return status;
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}
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VhostDeviceProtocols *qmp_decode_protocols(uint64_t bitmap)
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{
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VhostDeviceProtocols *vhu_protocols;
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uint64_t bit;
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int i;
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vhu_protocols = g_new0(VhostDeviceProtocols, 1);
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vhu_protocols->protocols =
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CONVERT_FEATURES(strList,
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vhost_user_protocol_map, 0, bitmap);
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vhu_protocols->has_unknown_protocols = bitmap != 0;
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if (vhu_protocols->has_unknown_protocols) {
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vhu_protocols->unknown_protocols = bitmap;
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}
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return vhu_protocols;
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}
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VirtioDeviceFeatures *qmp_decode_features(uint16_t device_id, uint64_t bitmap)
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{
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VirtioDeviceFeatures *features;
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uint64_t bit;
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int i;
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features = g_new0(VirtioDeviceFeatures, 1);
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features->has_dev_features = true;
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/* transport features */
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features->transports = CONVERT_FEATURES(strList, virtio_transport_map, 0,
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bitmap);
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/* device features */
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switch (device_id) {
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#ifdef CONFIG_VIRTIO_SERIAL
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case VIRTIO_ID_CONSOLE:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_serial_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_BLK
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case VIRTIO_ID_BLOCK:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_blk_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_GPU
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case VIRTIO_ID_GPU:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_gpu_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_NET
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case VIRTIO_ID_NET:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_net_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_SCSI
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case VIRTIO_ID_SCSI:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_scsi_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_BALLOON
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case VIRTIO_ID_BALLOON:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_balloon_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_IOMMU
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case VIRTIO_ID_IOMMU:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_iommu_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_INPUT
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case VIRTIO_ID_INPUT:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_input_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VHOST_USER_FS
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case VIRTIO_ID_FS:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_fs_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VHOST_VSOCK
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case VIRTIO_ID_VSOCK:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_vsock_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_CRYPTO
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case VIRTIO_ID_CRYPTO:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_crypto_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_MEM
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case VIRTIO_ID_MEM:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_mem_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_I2C_ADAPTER
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case VIRTIO_ID_I2C_ADAPTER:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_i2c_feature_map, 0, bitmap);
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break;
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#endif
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#ifdef CONFIG_VIRTIO_RNG
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case VIRTIO_ID_RNG:
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features->dev_features =
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CONVERT_FEATURES(strList, virtio_rng_feature_map, 0, bitmap);
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break;
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#endif
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/* No features */
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case VIRTIO_ID_9P:
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case VIRTIO_ID_PMEM:
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case VIRTIO_ID_IOMEM:
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case VIRTIO_ID_RPMSG:
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case VIRTIO_ID_CLOCK:
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case VIRTIO_ID_MAC80211_WLAN:
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case VIRTIO_ID_MAC80211_HWSIM:
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case VIRTIO_ID_RPROC_SERIAL:
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case VIRTIO_ID_MEMORY_BALLOON:
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case VIRTIO_ID_CAIF:
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case VIRTIO_ID_SIGNAL_DIST:
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case VIRTIO_ID_PSTORE:
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case VIRTIO_ID_SOUND:
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case VIRTIO_ID_BT:
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case VIRTIO_ID_RPMB:
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case VIRTIO_ID_VIDEO_ENCODER:
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case VIRTIO_ID_VIDEO_DECODER:
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case VIRTIO_ID_SCMI:
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case VIRTIO_ID_NITRO_SEC_MOD:
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case VIRTIO_ID_WATCHDOG:
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case VIRTIO_ID_CAN:
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case VIRTIO_ID_DMABUF:
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case VIRTIO_ID_PARAM_SERV:
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case VIRTIO_ID_AUDIO_POLICY:
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case VIRTIO_ID_GPIO:
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break;
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default:
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g_assert_not_reached();
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}
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features->has_unknown_dev_features = bitmap != 0;
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if (features->has_unknown_dev_features) {
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features->unknown_dev_features = bitmap;
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}
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return features;
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}
|