diff options
Diffstat (limited to 'hw/virtio/virtio.c')
| -rw-r--r-- | hw/virtio/virtio.c | 635 |
1 files changed, 2 insertions, 633 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index e0aa70248a..289eb71045 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -16,7 +16,6 @@ #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" @@ -33,6 +32,8 @@ #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" @@ -45,7 +46,6 @@ #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; @@ -55,440 +55,6 @@ 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 @@ -4296,203 +3862,6 @@ static VirtIODevice *virtio_device_find(const char *path) return NULL; } -#define CONVERT_FEATURES(type, map, is_status, bitmap) \ - ({ \ - type *list = NULL; \ - type *node; \ - for (i = 0; map[i].virtio_bit != -1; i++) { \ - if (is_status) { \ - bit = map[i].virtio_bit; \ - } \ - else { \ - bit = 1ULL << map[i].virtio_bit; \ - } \ - if ((bitmap & bit) == 0) { \ - continue; \ - } \ - node = g_new0(type, 1); \ - node->value = g_strdup(map[i].feature_desc); \ - node->next = list; \ - list = node; \ - bitmap ^= bit; \ - } \ - list; \ - }) - -static VirtioDeviceStatus *qmp_decode_status(uint8_t bitmap) -{ - VirtioDeviceStatus *status; - uint8_t bit; - int i; - - status = g_new0(VirtioDeviceStatus, 1); - status->statuses = CONVERT_FEATURES(strList, virtio_config_status_map, - 1, bitmap); - status->has_unknown_statuses = bitmap != 0; - if (status->has_unknown_statuses) { - status->unknown_statuses = bitmap; - } - - return status; -} - -static VhostDeviceProtocols *qmp_decode_protocols(uint64_t bitmap) -{ - VhostDeviceProtocols *vhu_protocols; - uint64_t bit; - int i; - - vhu_protocols = g_new0(VhostDeviceProtocols, 1); - vhu_protocols->protocols = - CONVERT_FEATURES(strList, - vhost_user_protocol_map, 0, bitmap); - vhu_protocols->has_unknown_protocols = bitmap != 0; - if (vhu_protocols->has_unknown_protocols) { - vhu_protocols->unknown_protocols = bitmap; - } - - return vhu_protocols; -} - -static VirtioDeviceFeatures *qmp_decode_features(uint16_t device_id, - uint64_t bitmap) -{ - VirtioDeviceFeatures *features; - uint64_t bit; - int i; - - features = g_new0(VirtioDeviceFeatures, 1); - features->has_dev_features = true; - - /* transport features */ - features->transports = CONVERT_FEATURES(strList, virtio_transport_map, 0, - bitmap); - - /* device features */ - switch (device_id) { -#ifdef CONFIG_VIRTIO_SERIAL - case VIRTIO_ID_CONSOLE: - features->dev_features = - CONVERT_FEATURES(strList, virtio_serial_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_BLK - case VIRTIO_ID_BLOCK: - features->dev_features = - CONVERT_FEATURES(strList, virtio_blk_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_GPU - case VIRTIO_ID_GPU: - features->dev_features = - CONVERT_FEATURES(strList, virtio_gpu_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_NET - case VIRTIO_ID_NET: - features->dev_features = - CONVERT_FEATURES(strList, virtio_net_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_SCSI - case VIRTIO_ID_SCSI: - features->dev_features = - CONVERT_FEATURES(strList, virtio_scsi_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_BALLOON - case VIRTIO_ID_BALLOON: - features->dev_features = - CONVERT_FEATURES(strList, virtio_balloon_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_IOMMU - case VIRTIO_ID_IOMMU: - features->dev_features = - CONVERT_FEATURES(strList, virtio_iommu_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_INPUT - case VIRTIO_ID_INPUT: - features->dev_features = - CONVERT_FEATURES(strList, virtio_input_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VHOST_USER_FS - case VIRTIO_ID_FS: - features->dev_features = - CONVERT_FEATURES(strList, virtio_fs_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VHOST_VSOCK - case VIRTIO_ID_VSOCK: - features->dev_features = - CONVERT_FEATURES(strList, virtio_vsock_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_CRYPTO - case VIRTIO_ID_CRYPTO: - features->dev_features = - CONVERT_FEATURES(strList, virtio_crypto_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_MEM - case VIRTIO_ID_MEM: - features->dev_features = - CONVERT_FEATURES(strList, virtio_mem_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_I2C_ADAPTER - case VIRTIO_ID_I2C_ADAPTER: - features->dev_features = - CONVERT_FEATURES(strList, virtio_i2c_feature_map, 0, bitmap); - break; -#endif -#ifdef CONFIG_VIRTIO_RNG - case VIRTIO_ID_RNG: - features->dev_features = - CONVERT_FEATURES(strList, virtio_rng_feature_map, 0, bitmap); - break; -#endif - /* No features */ - case VIRTIO_ID_9P: - case VIRTIO_ID_PMEM: - case VIRTIO_ID_IOMEM: - case VIRTIO_ID_RPMSG: - case VIRTIO_ID_CLOCK: - case VIRTIO_ID_MAC80211_WLAN: - case VIRTIO_ID_MAC80211_HWSIM: - case VIRTIO_ID_RPROC_SERIAL: - case VIRTIO_ID_MEMORY_BALLOON: - case VIRTIO_ID_CAIF: - case VIRTIO_ID_SIGNAL_DIST: - case VIRTIO_ID_PSTORE: - case VIRTIO_ID_SOUND: - case VIRTIO_ID_BT: - case VIRTIO_ID_RPMB: - case VIRTIO_ID_VIDEO_ENCODER: - case VIRTIO_ID_VIDEO_DECODER: - case VIRTIO_ID_SCMI: - case VIRTIO_ID_NITRO_SEC_MOD: - case VIRTIO_ID_WATCHDOG: - case VIRTIO_ID_CAN: - case VIRTIO_ID_DMABUF: - case VIRTIO_ID_PARAM_SERV: - case VIRTIO_ID_AUDIO_POLICY: - case VIRTIO_ID_GPIO: - break; - default: - g_assert_not_reached(); - } - - features->has_unknown_dev_features = bitmap != 0; - if (features->has_unknown_dev_features) { - features->unknown_dev_features = bitmap; - } - - return features; -} - VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) { VirtIODevice *vdev; |