*
*/
+#include "qemu/osdep.h"
+#include "qapi/error.h"
#include "hw/virtio/vhost.h"
#include "hw/virtio/vhost-backend.h"
+#include "hw/virtio/virtio-net.h"
#include "sysemu/char.h"
#include "sysemu/kvm.h"
#include "qemu/error-report.h"
#include "qemu/sockets.h"
#include "exec/ram_addr.h"
+#include "migration/migration.h"
-#include <fcntl.h>
-#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <linux/vhost.h>
#define VHOST_MEMORY_MAX_NREGIONS 8
+#define VHOST_USER_F_PROTOCOL_FEATURES 30
+
+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_MAX
+};
+
+#define VHOST_USER_PROTOCOL_FEATURE_MASK ((1 << VHOST_USER_PROTOCOL_F_MAX) - 1)
typedef enum VhostUserRequest {
VHOST_USER_NONE = 0,
VHOST_USER_SET_VRING_KICK = 12,
VHOST_USER_SET_VRING_CALL = 13,
VHOST_USER_SET_VRING_ERR = 14,
+ VHOST_USER_GET_PROTOCOL_FEATURES = 15,
+ VHOST_USER_SET_PROTOCOL_FEATURES = 16,
+ VHOST_USER_GET_QUEUE_NUM = 17,
+ VHOST_USER_SET_VRING_ENABLE = 18,
+ VHOST_USER_SEND_RARP = 19,
VHOST_USER_MAX
} VhostUserRequest;
VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
} VhostUserMemory;
+typedef struct VhostUserLog {
+ uint64_t mmap_size;
+ uint64_t mmap_offset;
+} VhostUserLog;
+
typedef struct VhostUserMsg {
VhostUserRequest request;
struct vhost_vring_state state;
struct vhost_vring_addr addr;
VhostUserMemory memory;
- };
+ VhostUserLog log;
+ } payload;
} QEMU_PACKED VhostUserMsg;
static VhostUserMsg m __attribute__ ((unused));
return kvm_enabled() && kvm_eventfds_enabled();
}
-static unsigned long int ioctl_to_vhost_user_request[VHOST_USER_MAX] = {
- -1, /* VHOST_USER_NONE */
- VHOST_GET_FEATURES, /* VHOST_USER_GET_FEATURES */
- VHOST_SET_FEATURES, /* VHOST_USER_SET_FEATURES */
- VHOST_SET_OWNER, /* VHOST_USER_SET_OWNER */
- VHOST_RESET_OWNER, /* VHOST_USER_RESET_OWNER */
- VHOST_SET_MEM_TABLE, /* VHOST_USER_SET_MEM_TABLE */
- VHOST_SET_LOG_BASE, /* VHOST_USER_SET_LOG_BASE */
- VHOST_SET_LOG_FD, /* VHOST_USER_SET_LOG_FD */
- VHOST_SET_VRING_NUM, /* VHOST_USER_SET_VRING_NUM */
- VHOST_SET_VRING_ADDR, /* VHOST_USER_SET_VRING_ADDR */
- VHOST_SET_VRING_BASE, /* VHOST_USER_SET_VRING_BASE */
- VHOST_GET_VRING_BASE, /* VHOST_USER_GET_VRING_BASE */
- VHOST_SET_VRING_KICK, /* VHOST_USER_SET_VRING_KICK */
- VHOST_SET_VRING_CALL, /* VHOST_USER_SET_VRING_CALL */
- VHOST_SET_VRING_ERR /* VHOST_USER_SET_VRING_ERR */
-};
-
-static VhostUserRequest vhost_user_request_translate(unsigned long int request)
-{
- VhostUserRequest idx;
-
- for (idx = 0; idx < VHOST_USER_MAX; idx++) {
- if (ioctl_to_vhost_user_request[idx] == request) {
- break;
- }
- }
-
- return (idx == VHOST_USER_MAX) ? VHOST_USER_NONE : idx;
-}
-
static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
{
CharDriverState *chr = dev->opaque;
r = qemu_chr_fe_read_all(chr, p, size);
if (r != size) {
- error_report("Failed to read msg header. Read %d instead of %d.", r,
- size);
+ error_report("Failed to read msg header. Read %d instead of %d."
+ " Original request %d.", r, size, msg->request);
goto fail;
}
return -1;
}
+static bool vhost_user_one_time_request(VhostUserRequest request)
+{
+ switch (request) {
+ case VHOST_USER_SET_OWNER:
+ case VHOST_USER_RESET_OWNER:
+ case VHOST_USER_SET_MEM_TABLE:
+ case VHOST_USER_GET_QUEUE_NUM:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/* most non-init callers ignore the error */
static int vhost_user_write(struct vhost_dev *dev, VhostUserMsg *msg,
int *fds, int fd_num)
{
CharDriverState *chr = dev->opaque;
int size = VHOST_USER_HDR_SIZE + msg->size;
+ /*
+ * For non-vring specific requests, like VHOST_USER_SET_MEM_TABLE,
+ * we just need send it once in the first time. For later such
+ * request, we just ignore it.
+ */
+ if (vhost_user_one_time_request(msg->request) && dev->vq_index != 0) {
+ return 0;
+ }
+
if (fd_num) {
qemu_chr_fe_set_msgfds(chr, fds, fd_num);
}
0 : -1;
}
-static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
- void *arg)
+static int vhost_user_set_log_base(struct vhost_dev *dev, uint64_t base,
+ struct vhost_log *log)
{
- VhostUserMsg msg;
- VhostUserRequest msg_request;
- struct vhost_vring_file *file = 0;
- int need_reply = 0;
int fds[VHOST_MEMORY_MAX_NREGIONS];
- int i, fd;
size_t fd_num = 0;
+ bool shmfd = virtio_has_feature(dev->protocol_features,
+ VHOST_USER_PROTOCOL_F_LOG_SHMFD);
+ VhostUserMsg msg = {
+ .request = VHOST_USER_SET_LOG_BASE,
+ .flags = VHOST_USER_VERSION,
+ .payload.log.mmap_size = log->size * sizeof(*(log->log)),
+ .payload.log.mmap_offset = 0,
+ .size = sizeof(msg.payload.log),
+ };
- assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER);
+ if (shmfd && log->fd != -1) {
+ fds[fd_num++] = log->fd;
+ }
- msg_request = vhost_user_request_translate(request);
- msg.request = msg_request;
- msg.flags = VHOST_USER_VERSION;
- msg.size = 0;
+ vhost_user_write(dev, &msg, fds, fd_num);
- switch (request) {
- case VHOST_GET_FEATURES:
- need_reply = 1;
- break;
-
- case VHOST_SET_FEATURES:
- case VHOST_SET_LOG_BASE:
- msg.u64 = *((__u64 *) arg);
- msg.size = sizeof(m.u64);
- break;
-
- case VHOST_SET_OWNER:
- case VHOST_RESET_OWNER:
- break;
-
- case VHOST_SET_MEM_TABLE:
- for (i = 0; i < dev->mem->nregions; ++i) {
- struct vhost_memory_region *reg = dev->mem->regions + i;
- ram_addr_t ram_addr;
-
- assert((uintptr_t)reg->userspace_addr == reg->userspace_addr);
- qemu_ram_addr_from_host((void *)(uintptr_t)reg->userspace_addr, &ram_addr);
- fd = qemu_get_ram_fd(ram_addr);
- if (fd > 0) {
- msg.memory.regions[fd_num].userspace_addr = reg->userspace_addr;
- msg.memory.regions[fd_num].memory_size = reg->memory_size;
- msg.memory.regions[fd_num].guest_phys_addr = reg->guest_phys_addr;
- msg.memory.regions[fd_num].mmap_offset = reg->userspace_addr -
- (uintptr_t) qemu_get_ram_block_host_ptr(ram_addr);
- assert(fd_num < VHOST_MEMORY_MAX_NREGIONS);
- fds[fd_num++] = fd;
- }
+ if (shmfd) {
+ msg.size = 0;
+ if (vhost_user_read(dev, &msg) < 0) {
+ return 0;
}
- msg.memory.nregions = fd_num;
-
- if (!fd_num) {
- error_report("Failed initializing vhost-user memory map, "
- "consider using -object memory-backend-file share=on");
+ if (msg.request != VHOST_USER_SET_LOG_BASE) {
+ error_report("Received unexpected msg type. "
+ "Expected %d received %d",
+ VHOST_USER_SET_LOG_BASE, msg.request);
return -1;
}
+ }
- msg.size = sizeof(m.memory.nregions);
- msg.size += sizeof(m.memory.padding);
- msg.size += fd_num * sizeof(VhostUserMemoryRegion);
-
- break;
-
- case VHOST_SET_LOG_FD:
- fds[fd_num++] = *((int *) arg);
- break;
-
- case VHOST_SET_VRING_NUM:
- case VHOST_SET_VRING_BASE:
- memcpy(&msg.state, arg, sizeof(struct vhost_vring_state));
- msg.size = sizeof(m.state);
- break;
-
- case VHOST_GET_VRING_BASE:
- memcpy(&msg.state, arg, sizeof(struct vhost_vring_state));
- msg.size = sizeof(m.state);
- need_reply = 1;
- break;
-
- case VHOST_SET_VRING_ADDR:
- memcpy(&msg.addr, arg, sizeof(struct vhost_vring_addr));
- msg.size = sizeof(m.addr);
- break;
-
- case VHOST_SET_VRING_KICK:
- case VHOST_SET_VRING_CALL:
- case VHOST_SET_VRING_ERR:
- file = arg;
- msg.u64 = file->index & VHOST_USER_VRING_IDX_MASK;
- msg.size = sizeof(m.u64);
- if (ioeventfd_enabled() && file->fd > 0) {
- fds[fd_num++] = file->fd;
- } else {
- msg.u64 |= VHOST_USER_VRING_NOFD_MASK;
+ return 0;
+}
+
+static int vhost_user_set_mem_table(struct vhost_dev *dev,
+ struct vhost_memory *mem)
+{
+ int fds[VHOST_MEMORY_MAX_NREGIONS];
+ int i, fd;
+ size_t fd_num = 0;
+ VhostUserMsg msg = {
+ .request = VHOST_USER_SET_MEM_TABLE,
+ .flags = VHOST_USER_VERSION,
+ };
+
+ for (i = 0; i < dev->mem->nregions; ++i) {
+ struct vhost_memory_region *reg = dev->mem->regions + i;
+ ram_addr_t ram_addr;
+
+ assert((uintptr_t)reg->userspace_addr == reg->userspace_addr);
+ qemu_ram_addr_from_host((void *)(uintptr_t)reg->userspace_addr,
+ &ram_addr);
+ fd = qemu_get_ram_fd(ram_addr);
+ if (fd > 0) {
+ msg.payload.memory.regions[fd_num].userspace_addr = reg->userspace_addr;
+ msg.payload.memory.regions[fd_num].memory_size = reg->memory_size;
+ msg.payload.memory.regions[fd_num].guest_phys_addr = reg->guest_phys_addr;
+ msg.payload.memory.regions[fd_num].mmap_offset = reg->userspace_addr -
+ (uintptr_t) qemu_get_ram_block_host_ptr(ram_addr);
+ assert(fd_num < VHOST_MEMORY_MAX_NREGIONS);
+ fds[fd_num++] = fd;
}
- break;
- default:
- error_report("vhost-user trying to send unhandled ioctl");
+ }
+
+ msg.payload.memory.nregions = fd_num;
+
+ if (!fd_num) {
+ error_report("Failed initializing vhost-user memory map, "
+ "consider using -object memory-backend-file share=on");
return -1;
- break;
}
- if (vhost_user_write(dev, &msg, fds, fd_num) < 0) {
+ msg.size = sizeof(msg.payload.memory.nregions);
+ msg.size += sizeof(msg.payload.memory.padding);
+ msg.size += fd_num * sizeof(VhostUserMemoryRegion);
+
+ vhost_user_write(dev, &msg, fds, fd_num);
+
+ return 0;
+}
+
+static int vhost_user_set_vring_addr(struct vhost_dev *dev,
+ struct vhost_vring_addr *addr)
+{
+ VhostUserMsg msg = {
+ .request = VHOST_USER_SET_VRING_ADDR,
+ .flags = VHOST_USER_VERSION,
+ .payload.addr = *addr,
+ .size = sizeof(msg.payload.addr),
+ };
+
+ vhost_user_write(dev, &msg, NULL, 0);
+
+ return 0;
+}
+
+static int vhost_user_set_vring_endian(struct vhost_dev *dev,
+ struct vhost_vring_state *ring)
+{
+ error_report("vhost-user trying to send unhandled ioctl");
+ return -1;
+}
+
+static int vhost_set_vring(struct vhost_dev *dev,
+ unsigned long int request,
+ struct vhost_vring_state *ring)
+{
+ VhostUserMsg msg = {
+ .request = request,
+ .flags = VHOST_USER_VERSION,
+ .payload.state = *ring,
+ .size = sizeof(msg.payload.state),
+ };
+
+ vhost_user_write(dev, &msg, NULL, 0);
+
+ return 0;
+}
+
+static int vhost_user_set_vring_num(struct vhost_dev *dev,
+ struct vhost_vring_state *ring)
+{
+ return vhost_set_vring(dev, VHOST_USER_SET_VRING_NUM, ring);
+}
+
+static int vhost_user_set_vring_base(struct vhost_dev *dev,
+ struct vhost_vring_state *ring)
+{
+ return vhost_set_vring(dev, VHOST_USER_SET_VRING_BASE, ring);
+}
+
+static int vhost_user_set_vring_enable(struct vhost_dev *dev, int enable)
+{
+ int i;
+
+ if (!virtio_has_feature(dev->features, VHOST_USER_F_PROTOCOL_FEATURES)) {
+ return -1;
+ }
+
+ for (i = 0; i < dev->nvqs; ++i) {
+ struct vhost_vring_state state = {
+ .index = dev->vq_index + i,
+ .num = enable,
+ };
+
+ vhost_set_vring(dev, VHOST_USER_SET_VRING_ENABLE, &state);
+ }
+
+ return 0;
+}
+
+static int vhost_user_get_vring_base(struct vhost_dev *dev,
+ struct vhost_vring_state *ring)
+{
+ VhostUserMsg msg = {
+ .request = VHOST_USER_GET_VRING_BASE,
+ .flags = VHOST_USER_VERSION,
+ .payload.state = *ring,
+ .size = sizeof(msg.payload.state),
+ };
+
+ vhost_user_write(dev, &msg, NULL, 0);
+
+ if (vhost_user_read(dev, &msg) < 0) {
return 0;
}
- if (need_reply) {
- if (vhost_user_read(dev, &msg) < 0) {
- return 0;
- }
+ if (msg.request != VHOST_USER_GET_VRING_BASE) {
+ error_report("Received unexpected msg type. Expected %d received %d",
+ VHOST_USER_GET_VRING_BASE, msg.request);
+ return -1;
+ }
- if (msg_request != msg.request) {
- error_report("Received unexpected msg type."
- " Expected %d received %d", msg_request, msg.request);
- return -1;
- }
+ if (msg.size != sizeof(msg.payload.state)) {
+ error_report("Received bad msg size.");
+ return -1;
+ }
- switch (msg_request) {
- case VHOST_USER_GET_FEATURES:
- if (msg.size != sizeof(m.u64)) {
- error_report("Received bad msg size.");
- return -1;
- }
- *((__u64 *) arg) = msg.u64;
- break;
- case VHOST_USER_GET_VRING_BASE:
- if (msg.size != sizeof(m.state)) {
- error_report("Received bad msg size.");
- return -1;
- }
- memcpy(arg, &msg.state, sizeof(struct vhost_vring_state));
- break;
- default:
- error_report("Received unexpected msg type.");
- return -1;
- break;
- }
+ *ring = msg.payload.state;
+
+ return 0;
+}
+
+static int vhost_set_vring_file(struct vhost_dev *dev,
+ VhostUserRequest request,
+ struct vhost_vring_file *file)
+{
+ int fds[VHOST_MEMORY_MAX_NREGIONS];
+ size_t fd_num = 0;
+ VhostUserMsg msg = {
+ .request = request,
+ .flags = VHOST_USER_VERSION,
+ .payload.u64 = file->index & VHOST_USER_VRING_IDX_MASK,
+ .size = sizeof(msg.payload.u64),
+ };
+
+ if (ioeventfd_enabled() && file->fd > 0) {
+ fds[fd_num++] = file->fd;
+ } else {
+ msg.payload.u64 |= VHOST_USER_VRING_NOFD_MASK;
}
+ vhost_user_write(dev, &msg, fds, fd_num);
+
+ return 0;
+}
+
+static int vhost_user_set_vring_kick(struct vhost_dev *dev,
+ struct vhost_vring_file *file)
+{
+ return vhost_set_vring_file(dev, VHOST_USER_SET_VRING_KICK, file);
+}
+
+static int vhost_user_set_vring_call(struct vhost_dev *dev,
+ struct vhost_vring_file *file)
+{
+ return vhost_set_vring_file(dev, VHOST_USER_SET_VRING_CALL, file);
+}
+
+static int vhost_user_set_u64(struct vhost_dev *dev, int request, uint64_t u64)
+{
+ VhostUserMsg msg = {
+ .request = request,
+ .flags = VHOST_USER_VERSION,
+ .payload.u64 = u64,
+ .size = sizeof(msg.payload.u64),
+ };
+
+ vhost_user_write(dev, &msg, NULL, 0);
+
+ return 0;
+}
+
+static int vhost_user_set_features(struct vhost_dev *dev,
+ uint64_t features)
+{
+ return vhost_user_set_u64(dev, VHOST_USER_SET_FEATURES, features);
+}
+
+static int vhost_user_set_protocol_features(struct vhost_dev *dev,
+ uint64_t features)
+{
+ return vhost_user_set_u64(dev, VHOST_USER_SET_PROTOCOL_FEATURES, features);
+}
+
+static int vhost_user_get_u64(struct vhost_dev *dev, int request, uint64_t *u64)
+{
+ VhostUserMsg msg = {
+ .request = request,
+ .flags = VHOST_USER_VERSION,
+ };
+
+ if (vhost_user_one_time_request(request) && dev->vq_index != 0) {
+ return 0;
+ }
+
+ vhost_user_write(dev, &msg, NULL, 0);
+
+ if (vhost_user_read(dev, &msg) < 0) {
+ return 0;
+ }
+
+ if (msg.request != request) {
+ error_report("Received unexpected msg type. Expected %d received %d",
+ request, msg.request);
+ return -1;
+ }
+
+ if (msg.size != sizeof(msg.payload.u64)) {
+ error_report("Received bad msg size.");
+ return -1;
+ }
+
+ *u64 = msg.payload.u64;
+
+ return 0;
+}
+
+static int vhost_user_get_features(struct vhost_dev *dev, uint64_t *features)
+{
+ return vhost_user_get_u64(dev, VHOST_USER_GET_FEATURES, features);
+}
+
+static int vhost_user_set_owner(struct vhost_dev *dev)
+{
+ VhostUserMsg msg = {
+ .request = VHOST_USER_SET_OWNER,
+ .flags = VHOST_USER_VERSION,
+ };
+
+ vhost_user_write(dev, &msg, NULL, 0);
+
+ return 0;
+}
+
+static int vhost_user_reset_device(struct vhost_dev *dev)
+{
+ VhostUserMsg msg = {
+ .request = VHOST_USER_RESET_OWNER,
+ .flags = VHOST_USER_VERSION,
+ };
+
+ vhost_user_write(dev, &msg, NULL, 0);
+
return 0;
}
static int vhost_user_init(struct vhost_dev *dev, void *opaque)
{
+ uint64_t features;
+ int err;
+
assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER);
dev->opaque = opaque;
+ err = vhost_user_get_features(dev, &features);
+ if (err < 0) {
+ return err;
+ }
+
+ if (virtio_has_feature(features, VHOST_USER_F_PROTOCOL_FEATURES)) {
+ dev->backend_features |= 1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
+
+ err = vhost_user_get_u64(dev, VHOST_USER_GET_PROTOCOL_FEATURES,
+ &features);
+ if (err < 0) {
+ return err;
+ }
+
+ dev->protocol_features = features & VHOST_USER_PROTOCOL_FEATURE_MASK;
+ err = vhost_user_set_protocol_features(dev, dev->protocol_features);
+ if (err < 0) {
+ return err;
+ }
+
+ /* query the max queues we support if backend supports Multiple Queue */
+ if (dev->protocol_features & (1ULL << VHOST_USER_PROTOCOL_F_MQ)) {
+ err = vhost_user_get_u64(dev, VHOST_USER_GET_QUEUE_NUM,
+ &dev->max_queues);
+ if (err < 0) {
+ return err;
+ }
+ }
+ }
+
+ if (dev->migration_blocker == NULL &&
+ !virtio_has_feature(dev->protocol_features,
+ VHOST_USER_PROTOCOL_F_LOG_SHMFD)) {
+ error_setg(&dev->migration_blocker,
+ "Migration disabled: vhost-user backend lacks "
+ "VHOST_USER_PROTOCOL_F_LOG_SHMFD feature.");
+ }
+
return 0;
}
return 0;
}
+static int vhost_user_get_vq_index(struct vhost_dev *dev, int idx)
+{
+ assert(idx >= dev->vq_index && idx < dev->vq_index + dev->nvqs);
+
+ return idx;
+}
+
+static int vhost_user_memslots_limit(struct vhost_dev *dev)
+{
+ return VHOST_MEMORY_MAX_NREGIONS;
+}
+
+static bool vhost_user_requires_shm_log(struct vhost_dev *dev)
+{
+ assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER);
+
+ return virtio_has_feature(dev->protocol_features,
+ VHOST_USER_PROTOCOL_F_LOG_SHMFD);
+}
+
+static int vhost_user_migration_done(struct vhost_dev *dev, char* mac_addr)
+{
+ VhostUserMsg msg = { 0 };
+ int err;
+
+ assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER);
+
+ /* If guest supports GUEST_ANNOUNCE do nothing */
+ if (virtio_has_feature(dev->acked_features, VIRTIO_NET_F_GUEST_ANNOUNCE)) {
+ return 0;
+ }
+
+ /* if backend supports VHOST_USER_PROTOCOL_F_RARP ask it to send the RARP */
+ if (virtio_has_feature(dev->protocol_features,
+ VHOST_USER_PROTOCOL_F_RARP)) {
+ msg.request = VHOST_USER_SEND_RARP;
+ msg.flags = VHOST_USER_VERSION;
+ memcpy((char *)&msg.payload.u64, mac_addr, 6);
+ msg.size = sizeof(msg.payload.u64);
+
+ err = vhost_user_write(dev, &msg, NULL, 0);
+ return err;
+ }
+ return -1;
+}
+
+static bool vhost_user_can_merge(struct vhost_dev *dev,
+ uint64_t start1, uint64_t size1,
+ uint64_t start2, uint64_t size2)
+{
+ ram_addr_t ram_addr;
+ int mfd, rfd;
+ MemoryRegion *mr;
+
+ mr = qemu_ram_addr_from_host((void *)(uintptr_t)start1, &ram_addr);
+ assert(mr);
+ mfd = qemu_get_ram_fd(ram_addr);
+
+ mr = qemu_ram_addr_from_host((void *)(uintptr_t)start2, &ram_addr);
+ assert(mr);
+ rfd = qemu_get_ram_fd(ram_addr);
+
+ return mfd == rfd;
+}
+
const VhostOps user_ops = {
.backend_type = VHOST_BACKEND_TYPE_USER,
- .vhost_call = vhost_user_call,
.vhost_backend_init = vhost_user_init,
- .vhost_backend_cleanup = vhost_user_cleanup
- };
+ .vhost_backend_cleanup = vhost_user_cleanup,
+ .vhost_backend_memslots_limit = vhost_user_memslots_limit,
+ .vhost_set_log_base = vhost_user_set_log_base,
+ .vhost_set_mem_table = vhost_user_set_mem_table,
+ .vhost_set_vring_addr = vhost_user_set_vring_addr,
+ .vhost_set_vring_endian = vhost_user_set_vring_endian,
+ .vhost_set_vring_num = vhost_user_set_vring_num,
+ .vhost_set_vring_base = vhost_user_set_vring_base,
+ .vhost_get_vring_base = vhost_user_get_vring_base,
+ .vhost_set_vring_kick = vhost_user_set_vring_kick,
+ .vhost_set_vring_call = vhost_user_set_vring_call,
+ .vhost_set_features = vhost_user_set_features,
+ .vhost_get_features = vhost_user_get_features,
+ .vhost_set_owner = vhost_user_set_owner,
+ .vhost_reset_device = vhost_user_reset_device,
+ .vhost_get_vq_index = vhost_user_get_vq_index,
+ .vhost_set_vring_enable = vhost_user_set_vring_enable,
+ .vhost_requires_shm_log = vhost_user_requires_shm_log,
+ .vhost_migration_done = vhost_user_migration_done,
+ .vhost_backend_can_merge = vhost_user_can_merge,
+};
Code Review / kvmfornfv.git / blobdiff