#include "qapi/qmp/qdict.h"
#include "qapi/qapi-commands-virtio.h"
#include "qapi/qapi-commands-qom.h"
-#include "qapi/qapi-visit-virtio.h"
#include "qapi/qmp/qjson.h"
#include "trace.h"
#include "qemu/error-report.h"
#include "hw/virtio/virtio-access.h"
#include "sysemu/dma.h"
#include "sysemu/runstate.h"
+#include "virtio-qmp.h"
+
#include "standard-headers/linux/virtio_ids.h"
#include "standard-headers/linux/vhost_types.h"
#include "standard-headers/linux/virtio_blk.h"
#include "standard-headers/linux/virtio_iommu.h"
#include "standard-headers/linux/virtio_mem.h"
#include "standard-headers/linux/virtio_vsock.h"
-#include CONFIG_DEVICES
/* QAPI list of realized VirtIODevices */
static QTAILQ_HEAD(, VirtIODevice) virtio_list;
*/
#define VHOST_USER_MAX_CONFIG_SIZE 256
-#define FEATURE_ENTRY(name, desc) (qmp_virtio_feature_map_t) \
- { .virtio_bit = name, .feature_desc = desc }
-
-enum VhostUserProtocolFeature {
- VHOST_USER_PROTOCOL_F_MQ = 0,
- VHOST_USER_PROTOCOL_F_LOG_SHMFD = 1,
- VHOST_USER_PROTOCOL_F_RARP = 2,
- VHOST_USER_PROTOCOL_F_REPLY_ACK = 3,
- VHOST_USER_PROTOCOL_F_NET_MTU = 4,
- VHOST_USER_PROTOCOL_F_SLAVE_REQ = 5,
- VHOST_USER_PROTOCOL_F_CROSS_ENDIAN = 6,
- VHOST_USER_PROTOCOL_F_CRYPTO_SESSION = 7,
- VHOST_USER_PROTOCOL_F_PAGEFAULT = 8,
- VHOST_USER_PROTOCOL_F_CONFIG = 9,
- VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD = 10,
- VHOST_USER_PROTOCOL_F_HOST_NOTIFIER = 11,
- VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD = 12,
- VHOST_USER_PROTOCOL_F_RESET_DEVICE = 13,
- VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS = 14,
- VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS = 15,
- VHOST_USER_PROTOCOL_F_MAX
-};
-
-/* Virtio transport features mapping */
-static const qmp_virtio_feature_map_t virtio_transport_map[] = {
- /* Virtio device transport features */
-#ifndef VIRTIO_CONFIG_NO_LEGACY
- FEATURE_ENTRY(VIRTIO_F_NOTIFY_ON_EMPTY, \
- "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. "
- "descs. on VQ"),
- FEATURE_ENTRY(VIRTIO_F_ANY_LAYOUT, \
- "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts"),
-#endif /* !VIRTIO_CONFIG_NO_LEGACY */
- FEATURE_ENTRY(VIRTIO_F_VERSION_1, \
- "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"),
- FEATURE_ENTRY(VIRTIO_F_IOMMU_PLATFORM, \
- "VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform"),
- FEATURE_ENTRY(VIRTIO_F_RING_PACKED, \
- "VIRTIO_F_RING_PACKED: Device supports packed VQ layout"),
- FEATURE_ENTRY(VIRTIO_F_IN_ORDER, \
- "VIRTIO_F_IN_ORDER: Device uses buffers in same order as made "
- "available by driver"),
- FEATURE_ENTRY(VIRTIO_F_ORDER_PLATFORM, \
- "VIRTIO_F_ORDER_PLATFORM: Memory accesses ordered by platform"),
- FEATURE_ENTRY(VIRTIO_F_SR_IOV, \
- "VIRTIO_F_SR_IOV: Device supports single root I/O virtualization"),
- /* Virtio ring transport features */
- FEATURE_ENTRY(VIRTIO_RING_F_INDIRECT_DESC, \
- "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported"),
- FEATURE_ENTRY(VIRTIO_RING_F_EVENT_IDX, \
- "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled"),
- { -1, "" }
-};
-
-/* Vhost-user protocol features mapping */
-static const qmp_virtio_feature_map_t vhost_user_protocol_map[] = {
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_MQ, \
- "VHOST_USER_PROTOCOL_F_MQ: Multiqueue protocol supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_LOG_SHMFD, \
- "VHOST_USER_PROTOCOL_F_LOG_SHMFD: Shared log memory fd supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RARP, \
- "VHOST_USER_PROTOCOL_F_RARP: Vhost-user back-end RARP broadcasting "
- "supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_REPLY_ACK, \
- "VHOST_USER_PROTOCOL_F_REPLY_ACK: Requested operation status ack. "
- "supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_NET_MTU, \
- "VHOST_USER_PROTOCOL_F_NET_MTU: Expose host MTU to guest supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_SLAVE_REQ, \
- "VHOST_USER_PROTOCOL_F_SLAVE_REQ: Socket fd for back-end initiated "
- "requests supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CROSS_ENDIAN, \
- "VHOST_USER_PROTOCOL_F_CROSS_ENDIAN: Endianness of VQs for legacy "
- "devices supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CRYPTO_SESSION, \
- "VHOST_USER_PROTOCOL_F_CRYPTO_SESSION: Session creation for crypto "
- "operations supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_PAGEFAULT, \
- "VHOST_USER_PROTOCOL_F_PAGEFAULT: Request servicing on userfaultfd "
- "for accessed pages supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIG, \
- "VHOST_USER_PROTOCOL_F_CONFIG: Vhost-user messaging for virtio "
- "device configuration space supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD, \
- "VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD: Slave fd communication "
- "channel supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_HOST_NOTIFIER, \
- "VHOST_USER_PROTOCOL_F_HOST_NOTIFIER: Host notifiers for specified "
- "VQs supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD, \
- "VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD: Shared inflight I/O buffers "
- "supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RESET_DEVICE, \
- "VHOST_USER_PROTOCOL_F_RESET_DEVICE: Disabling all rings and "
- "resetting internal device state supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS, \
- "VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS: In-band messaging "
- "supported"),
- FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS, \
- "VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS: Configuration for "
- "memory slots supported"),
- { -1, "" }
-};
-
-/* virtio device configuration statuses */
-static const qmp_virtio_feature_map_t virtio_config_status_map[] = {
- FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER_OK, \
- "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"),
- FEATURE_ENTRY(VIRTIO_CONFIG_S_FEATURES_OK, \
- "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete"),
- FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER, \
- "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device"),
- FEATURE_ENTRY(VIRTIO_CONFIG_S_NEEDS_RESET, \
- "VIRTIO_CONFIG_S_NEEDS_RESET: Irrecoverable error, device needs "
- "reset"),
- FEATURE_ENTRY(VIRTIO_CONFIG_S_FAILED, \
- "VIRTIO_CONFIG_S_FAILED: Error in guest, device failed"),
- FEATURE_ENTRY(VIRTIO_CONFIG_S_ACKNOWLEDGE, \
- "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found"),
- { -1, "" }
-};
-
-/* virtio-blk features mapping */
-#ifdef CONFIG_VIRTIO_BLK
-static const qmp_virtio_feature_map_t virtio_blk_feature_map[] = {
- FEATURE_ENTRY(VIRTIO_BLK_F_SIZE_MAX, \
- "VIRTIO_BLK_F_SIZE_MAX: Max segment size is size_max"),
- FEATURE_ENTRY(VIRTIO_BLK_F_SEG_MAX, \
- "VIRTIO_BLK_F_SEG_MAX: Max segments in a request is seg_max"),
- FEATURE_ENTRY(VIRTIO_BLK_F_GEOMETRY, \
- "VIRTIO_BLK_F_GEOMETRY: Legacy geometry available"),
- FEATURE_ENTRY(VIRTIO_BLK_F_RO, \
- "VIRTIO_BLK_F_RO: Device is read-only"),
- FEATURE_ENTRY(VIRTIO_BLK_F_BLK_SIZE, \
- "VIRTIO_BLK_F_BLK_SIZE: Block size of disk available"),
- FEATURE_ENTRY(VIRTIO_BLK_F_TOPOLOGY, \
- "VIRTIO_BLK_F_TOPOLOGY: Topology information available"),
- FEATURE_ENTRY(VIRTIO_BLK_F_MQ, \
- "VIRTIO_BLK_F_MQ: Multiqueue supported"),
- FEATURE_ENTRY(VIRTIO_BLK_F_DISCARD, \
- "VIRTIO_BLK_F_DISCARD: Discard command supported"),
- FEATURE_ENTRY(VIRTIO_BLK_F_WRITE_ZEROES, \
- "VIRTIO_BLK_F_WRITE_ZEROES: Write zeroes command supported"),
-#ifndef VIRTIO_BLK_NO_LEGACY
- FEATURE_ENTRY(VIRTIO_BLK_F_BARRIER, \
- "VIRTIO_BLK_F_BARRIER: Request barriers supported"),
- FEATURE_ENTRY(VIRTIO_BLK_F_SCSI, \
- "VIRTIO_BLK_F_SCSI: SCSI packet commands supported"),
- FEATURE_ENTRY(VIRTIO_BLK_F_FLUSH, \
- "VIRTIO_BLK_F_FLUSH: Flush command supported"),
- FEATURE_ENTRY(VIRTIO_BLK_F_CONFIG_WCE, \
- "VIRTIO_BLK_F_CONFIG_WCE: Cache writeback and writethrough modes "
- "supported"),
-#endif /* !VIRTIO_BLK_NO_LEGACY */
- FEATURE_ENTRY(VHOST_F_LOG_ALL, \
- "VHOST_F_LOG_ALL: Logging write descriptors supported"),
- FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
- "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
- "negotiation supported"),
- { -1, "" }
-};
-#endif
-
-/* virtio-serial features mapping */
-#ifdef CONFIG_VIRTIO_SERIAL
-static const qmp_virtio_feature_map_t virtio_serial_feature_map[] = {
- FEATURE_ENTRY(VIRTIO_CONSOLE_F_SIZE, \
- "VIRTIO_CONSOLE_F_SIZE: Host providing console size"),
- FEATURE_ENTRY(VIRTIO_CONSOLE_F_MULTIPORT, \
- "VIRTIO_CONSOLE_F_MULTIPORT: Multiple ports for device supported"),
- FEATURE_ENTRY(VIRTIO_CONSOLE_F_EMERG_WRITE, \
- "VIRTIO_CONSOLE_F_EMERG_WRITE: Emergency write supported"),
- { -1, "" }
-};
-#endif
-
-/* virtio-gpu features mapping */
-#ifdef CONFIG_VIRTIO_GPU
-static const qmp_virtio_feature_map_t virtio_gpu_feature_map[] = {
- FEATURE_ENTRY(VIRTIO_GPU_F_VIRGL, \
- "VIRTIO_GPU_F_VIRGL: Virgl 3D mode supported"),
- FEATURE_ENTRY(VIRTIO_GPU_F_EDID, \
- "VIRTIO_GPU_F_EDID: EDID metadata supported"),
- FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_UUID, \
- "VIRTIO_GPU_F_RESOURCE_UUID: Resource UUID assigning supported"),
- FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_BLOB, \
- "VIRTIO_GPU_F_RESOURCE_BLOB: Size-based blob resources supported"),
- FEATURE_ENTRY(VIRTIO_GPU_F_CONTEXT_INIT, \
- "VIRTIO_GPU_F_CONTEXT_INIT: Context types and synchronization "
- "timelines supported"),
- FEATURE_ENTRY(VHOST_F_LOG_ALL, \
- "VHOST_F_LOG_ALL: Logging write descriptors supported"),
- FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
- "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
- "negotiation supported"),
- { -1, "" }
-};
-#endif
-
-/* virtio-input features mapping */
-#ifdef CONFIG_VIRTIO_INPUT
-static const qmp_virtio_feature_map_t virtio_input_feature_map[] = {
- FEATURE_ENTRY(VHOST_F_LOG_ALL, \
- "VHOST_F_LOG_ALL: Logging write descriptors supported"),
- FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
- "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
- "negotiation supported"),
- { -1, "" }
-};
-#endif
-
-/* virtio-net features mapping */
-#ifdef CONFIG_VIRTIO_NET
-static const qmp_virtio_feature_map_t virtio_net_feature_map[] = {
- FEATURE_ENTRY(VIRTIO_NET_F_CSUM, \
- "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum "
- "supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_GUEST_CSUM, \
- "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial "
- "checksum supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \
- "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading "
- "reconfig. supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_MTU, \
- "VIRTIO_NET_F_MTU: Device max MTU reporting supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_MAC, \
- "VIRTIO_NET_F_MAC: Device has given MAC address"),
- FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO4, \
- "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4"),
- FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO6, \
- "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6"),
- FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ECN, \
- "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN"),
- FEATURE_ENTRY(VIRTIO_NET_F_GUEST_UFO, \
- "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO"),
- FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO4, \
- "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4"),
- FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO6, \
- "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6"),
- FEATURE_ENTRY(VIRTIO_NET_F_HOST_ECN, \
- "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN"),
- FEATURE_ENTRY(VIRTIO_NET_F_HOST_UFO, \
- "VIRTIO_NET_F_HOST_UFO: Device can receive UFO"),
- FEATURE_ENTRY(VIRTIO_NET_F_MRG_RXBUF, \
- "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"),
- FEATURE_ENTRY(VIRTIO_NET_F_STATUS, \
- "VIRTIO_NET_F_STATUS: Configuration status field available"),
- FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VQ, \
- "VIRTIO_NET_F_CTRL_VQ: Control channel available"),
- FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX, \
- "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VLAN, \
- "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX_EXTRA, \
- "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ANNOUNCE, \
- "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets "
- "supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_MQ, \
- "VIRTIO_NET_F_MQ: Multiqueue with automatic receive steering "
- "supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_CTRL_MAC_ADDR, \
- "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control "
- "channel"),
- FEATURE_ENTRY(VIRTIO_NET_F_HASH_REPORT, \
- "VIRTIO_NET_F_HASH_REPORT: Hash reporting supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_RSS, \
- "VIRTIO_NET_F_RSS: RSS RX steering supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_RSC_EXT, \
- "VIRTIO_NET_F_RSC_EXT: Extended coalescing info supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_STANDBY, \
- "VIRTIO_NET_F_STANDBY: Device acting as standby for primary "
- "device with same MAC addr. supported"),
- FEATURE_ENTRY(VIRTIO_NET_F_SPEED_DUPLEX, \
- "VIRTIO_NET_F_SPEED_DUPLEX: Device set linkspeed and duplex"),
-#ifndef VIRTIO_NET_NO_LEGACY
- FEATURE_ENTRY(VIRTIO_NET_F_GSO, \
- "VIRTIO_NET_F_GSO: Handling GSO-type packets supported"),
-#endif /* !VIRTIO_NET_NO_LEGACY */
- FEATURE_ENTRY(VHOST_NET_F_VIRTIO_NET_HDR, \
- "VHOST_NET_F_VIRTIO_NET_HDR: Virtio-net headers for RX and TX "
- "packets supported"),
- FEATURE_ENTRY(VHOST_F_LOG_ALL, \
- "VHOST_F_LOG_ALL: Logging write descriptors supported"),
- FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
- "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
- "negotiation supported"),
- { -1, "" }
-};
-#endif
-
-/* virtio-scsi features mapping */
-#ifdef CONFIG_VIRTIO_SCSI
-static const qmp_virtio_feature_map_t virtio_scsi_feature_map[] = {
- FEATURE_ENTRY(VIRTIO_SCSI_F_INOUT, \
- "VIRTIO_SCSI_F_INOUT: Requests including read and writable data "
- "buffers suppoted"),
- FEATURE_ENTRY(VIRTIO_SCSI_F_HOTPLUG, \
- "VIRTIO_SCSI_F_HOTPLUG: Reporting and handling hot-plug events "
- "supported"),
- FEATURE_ENTRY(VIRTIO_SCSI_F_CHANGE, \
- "VIRTIO_SCSI_F_CHANGE: Reporting and handling LUN changes "
- "supported"),
- FEATURE_ENTRY(VIRTIO_SCSI_F_T10_PI, \
- "VIRTIO_SCSI_F_T10_PI: T10 info included in request header"),
- FEATURE_ENTRY(VHOST_F_LOG_ALL, \
- "VHOST_F_LOG_ALL: Logging write descriptors supported"),
- FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \
- "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features "
- "negotiation supported"),
- { -1, "" }
-};
-#endif
-
-/* 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"),
- { -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
-
/*
* The alignment to use between consumer and producer parts of vring.
* x86 pagesize again. This is the default, used by transports like PCI
return NULL;
}
-#define CONVERT_FEATURES(type, map, is_status, bitmap) \
- ({ \
- type *list = NULL; \
- type *node; \
- for (i = 0; map[i].virtio_bit != -1; i++) { \
- if (is_status) { \
- bit = map[i].virtio_bit; \
- } \
- else { \
- bit = 1ULL << map[i].virtio_bit; \
- } \
- if ((bitmap & bit) == 0) { \
- continue; \
- } \
- node = g_new0(type, 1); \
- node->value = g_strdup(map[i].feature_desc); \
- node->next = list; \
- list = node; \
- bitmap ^= bit; \
- } \
- list; \
- })
-
-static VirtioDeviceStatus *qmp_decode_status(uint8_t bitmap)
-{
- VirtioDeviceStatus *status;
- uint8_t bit;
- int i;
-
- status = g_new0(VirtioDeviceStatus, 1);
- status->statuses = CONVERT_FEATURES(strList, virtio_config_status_map,
- 1, bitmap);
- status->has_unknown_statuses = bitmap != 0;
- if (status->has_unknown_statuses) {
- status->unknown_statuses = bitmap;
- }
-
- return status;
-}
-
-static VhostDeviceProtocols *qmp_decode_protocols(uint64_t bitmap)
-{
- VhostDeviceProtocols *vhu_protocols;
- uint64_t bit;
- int i;
-
- vhu_protocols = g_new0(VhostDeviceProtocols, 1);
- vhu_protocols->protocols =
- CONVERT_FEATURES(strList,
- vhost_user_protocol_map, 0, bitmap);
- vhu_protocols->has_unknown_protocols = bitmap != 0;
- if (vhu_protocols->has_unknown_protocols) {
- vhu_protocols->unknown_protocols = bitmap;
- }
-
- return vhu_protocols;
-}
-
-static VirtioDeviceFeatures *qmp_decode_features(uint16_t device_id,
- uint64_t bitmap)
-{
- VirtioDeviceFeatures *features;
- uint64_t bit;
- int i;
-
- features = g_new0(VirtioDeviceFeatures, 1);
- features->has_dev_features = true;
-
- /* transport features */
- features->transports = CONVERT_FEATURES(strList, virtio_transport_map, 0,
- bitmap);
-
- /* device features */
- switch (device_id) {
-#ifdef CONFIG_VIRTIO_SERIAL
- case VIRTIO_ID_CONSOLE:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_serial_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_BLK
- case VIRTIO_ID_BLOCK:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_blk_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_GPU
- case VIRTIO_ID_GPU:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_gpu_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_NET
- case VIRTIO_ID_NET:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_net_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_SCSI
- case VIRTIO_ID_SCSI:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_scsi_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_BALLOON
- case VIRTIO_ID_BALLOON:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_balloon_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_IOMMU
- case VIRTIO_ID_IOMMU:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_iommu_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_INPUT
- case VIRTIO_ID_INPUT:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_input_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VHOST_USER_FS
- case VIRTIO_ID_FS:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_fs_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VHOST_VSOCK
- case VIRTIO_ID_VSOCK:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_vsock_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_CRYPTO
- case VIRTIO_ID_CRYPTO:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_crypto_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_MEM
- case VIRTIO_ID_MEM:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_mem_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_I2C_ADAPTER
- case VIRTIO_ID_I2C_ADAPTER:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_i2c_feature_map, 0, bitmap);
- break;
-#endif
-#ifdef CONFIG_VIRTIO_RNG
- case VIRTIO_ID_RNG:
- features->dev_features =
- CONVERT_FEATURES(strList, virtio_rng_feature_map, 0, bitmap);
- break;
-#endif
- /* No features */
- case VIRTIO_ID_9P:
- case VIRTIO_ID_PMEM:
- case VIRTIO_ID_IOMEM:
- case VIRTIO_ID_RPMSG:
- case VIRTIO_ID_CLOCK:
- case VIRTIO_ID_MAC80211_WLAN:
- case VIRTIO_ID_MAC80211_HWSIM:
- case VIRTIO_ID_RPROC_SERIAL:
- case VIRTIO_ID_MEMORY_BALLOON:
- case VIRTIO_ID_CAIF:
- case VIRTIO_ID_SIGNAL_DIST:
- case VIRTIO_ID_PSTORE:
- case VIRTIO_ID_SOUND:
- case VIRTIO_ID_BT:
- case VIRTIO_ID_RPMB:
- case VIRTIO_ID_VIDEO_ENCODER:
- case VIRTIO_ID_VIDEO_DECODER:
- case VIRTIO_ID_SCMI:
- case VIRTIO_ID_NITRO_SEC_MOD:
- case VIRTIO_ID_WATCHDOG:
- case VIRTIO_ID_CAN:
- case VIRTIO_ID_DMABUF:
- case VIRTIO_ID_PARAM_SERV:
- case VIRTIO_ID_AUDIO_POLICY:
- case VIRTIO_ID_GPIO:
- break;
- default:
- g_assert_not_reached();
- }
-
- features->has_unknown_dev_features = bitmap != 0;
- if (features->has_unknown_dev_features) {
- features->unknown_dev_features = bitmap;
- }
-
- return features;
-}
-
VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
{
VirtIODevice *vdev;
projects / thirdparty / qemu.git / blobdiff