#ifdef RTE_LIBRTE_VHOST_POSTCOPY
#include <linux/userfaultfd.h>
#endif
+#ifdef F_ADD_SEALS /* if file sealing is supported, so is memfd */
+#include <linux/memfd.h>
+#define MEMFD_SUPPORTED
+#endif
#include <rte_common.h>
#include <rte_malloc.h>
#define VIRTIO_MIN_MTU 68
#define VIRTIO_MAX_MTU 65535
+#define INFLIGHT_ALIGNMENT 64
+#define INFLIGHT_VERSION 0x1
+
static const char *vhost_message_str[VHOST_USER_MAX] = {
[VHOST_USER_NONE] = "VHOST_USER_NONE",
[VHOST_USER_GET_FEATURES] = "VHOST_USER_GET_FEATURES",
[VHOST_USER_POSTCOPY_ADVISE] = "VHOST_USER_POSTCOPY_ADVISE",
[VHOST_USER_POSTCOPY_LISTEN] = "VHOST_USER_POSTCOPY_LISTEN",
[VHOST_USER_POSTCOPY_END] = "VHOST_USER_POSTCOPY_END",
+ [VHOST_USER_GET_INFLIGHT_FD] = "VHOST_USER_GET_INFLIGHT_FD",
+ [VHOST_USER_SET_INFLIGHT_FD] = "VHOST_USER_SET_INFLIGHT_FD",
};
static int send_vhost_reply(int sockfd, struct VhostUserMsg *msg);
static int read_vhost_message(int sockfd, struct VhostUserMsg *msg);
+static void
+close_msg_fds(struct VhostUserMsg *msg)
+{
+ int i;
+
+ for (i = 0; i < msg->fd_num; i++)
+ close(msg->fds[i]);
+}
+
+/*
+ * Ensure the expected number of FDs is received,
+ * close all FDs and return an error if this is not the case.
+ */
+static int
+validate_msg_fds(struct VhostUserMsg *msg, int expected_fds)
+{
+ if (msg->fd_num == expected_fds)
+ return 0;
+
+ RTE_LOG(ERR, VHOST_CONFIG,
+ " Expect %d FDs for request %s, received %d\n",
+ expected_fds,
+ vhost_message_str[msg->request.master],
+ msg->fd_num);
+
+ close_msg_fds(msg);
+
+ return -1;
+}
+
static uint64_t
get_blk_size(int fd)
{
dev->log_addr = 0;
}
+ if (dev->inflight_info) {
+ if (dev->inflight_info->addr) {
+ munmap(dev->inflight_info->addr,
+ dev->inflight_info->size);
+ dev->inflight_info->addr = NULL;
+ }
+
+ if (dev->inflight_info->fd > 0) {
+ close(dev->inflight_info->fd);
+ dev->inflight_info->fd = -1;
+ }
+
+ free(dev->inflight_info);
+ dev->inflight_info = NULL;
+ }
+
if (dev->slave_req_fd >= 0) {
close(dev->slave_req_fd);
dev->slave_req_fd = -1;
*/
static int
vhost_user_set_owner(struct virtio_net **pdev __rte_unused,
- struct VhostUserMsg *msg __rte_unused,
+ struct VhostUserMsg *msg,
int main_fd __rte_unused)
{
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
return RTE_VHOST_MSG_RESULT_OK;
}
static int
vhost_user_reset_owner(struct virtio_net **pdev,
- struct VhostUserMsg *msg __rte_unused,
+ struct VhostUserMsg *msg,
int main_fd __rte_unused)
{
struct virtio_net *dev = *pdev;
+
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
vhost_destroy_device_notify(dev);
cleanup_device(dev, 0);
struct virtio_net *dev = *pdev;
uint64_t features = 0;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
rte_vhost_driver_get_features(dev->ifname, &features);
msg->payload.u64 = features;
struct virtio_net *dev = *pdev;
uint32_t queue_num = 0;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
rte_vhost_driver_get_queue_num(dev->ifname, &queue_num);
msg->payload.u64 = (uint64_t)queue_num;
struct rte_vdpa_device *vdpa_dev;
int did = -1;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
rte_vhost_driver_get_features(dev->ifname, &vhost_features);
if (features & ~vhost_features) {
RTE_LOG(ERR, VHOST_CONFIG,
dev->virtqueue[dev->nr_vring] = NULL;
cleanup_vq(vq, 1);
+ cleanup_vq_inflight(dev, vq);
free_vq(dev, vq);
}
}
struct virtio_net *dev = *pdev;
struct vhost_virtqueue *vq = dev->virtqueue[msg->payload.state.index];
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
vq->size = msg->payload.state.num;
/* VIRTIO 1.0, 2.4 Virtqueues says:
*
* Queue Size value is always a power of 2. The maximum Queue Size
* value is 32768.
+ *
+ * VIRTIO 1.1 2.7 Virtqueues says:
+ *
+ * Packed virtqueues support up to 2^15 entries each.
*/
- if ((vq->size & (vq->size - 1)) || vq->size > 32768) {
+ if (!vq_is_packed(dev)) {
+ if (vq->size & (vq->size - 1)) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "invalid virtqueue size %u\n", vq->size);
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+ }
+
+ if (vq->size > 32768) {
RTE_LOG(ERR, VHOST_CONFIG,
"invalid virtqueue size %u\n", vq->size);
return RTE_VHOST_MSG_RESULT_ERR;
vq->nr_zmbuf = 0;
vq->last_zmbuf_idx = 0;
vq->zmbuf_size = vq->size;
+ if (vq->zmbufs)
+ rte_free(vq->zmbufs);
vq->zmbufs = rte_zmalloc(NULL, vq->zmbuf_size *
sizeof(struct zcopy_mbuf), 0);
if (vq->zmbufs == NULL) {
}
if (vq_is_packed(dev)) {
+ if (vq->shadow_used_packed)
+ rte_free(vq->shadow_used_packed);
vq->shadow_used_packed = rte_malloc(NULL,
vq->size *
sizeof(struct vring_used_elem_packed),
}
} else {
+ if (vq->shadow_used_split)
+ rte_free(vq->shadow_used_split);
vq->shadow_used_split = rte_malloc(NULL,
vq->size * sizeof(struct vring_used_elem),
RTE_CACHE_LINE_SIZE);
}
}
+ if (vq->batch_copy_elems)
+ rte_free(vq->batch_copy_elems);
vq->batch_copy_elems = rte_malloc(NULL,
vq->size * sizeof(struct batch_copy_elem),
RTE_CACHE_LINE_SIZE);
return qva_to_vva(dev, ra, size);
}
+/*
+ * Converts vring log address to GPA
+ * If IOMMU is enabled, the log address is IOVA
+ * If IOMMU not enabled, the log address is already GPA
+ */
+static uint64_t
+translate_log_addr(struct virtio_net *dev, struct vhost_virtqueue *vq,
+ uint64_t log_addr)
+{
+ if (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM)) {
+ const uint64_t exp_size = sizeof(struct vring_used) +
+ sizeof(struct vring_used_elem) * vq->size;
+ uint64_t hva, gpa;
+ uint64_t size = exp_size;
+
+ hva = vhost_iova_to_vva(dev, vq, log_addr,
+ &size, VHOST_ACCESS_RW);
+ if (size != exp_size)
+ return 0;
+
+ gpa = hva_to_gpa(dev, hva, exp_size);
+ if (!gpa) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "VQ: Failed to find GPA for log_addr: 0x%" PRIx64 " hva: 0x%" PRIx64 "\n",
+ log_addr, hva);
+ return 0;
+ }
+ return gpa;
+
+ } else
+ return log_addr;
+}
+
static struct virtio_net *
translate_ring_addresses(struct virtio_net *dev, int vq_index)
{
struct vhost_vring_addr *addr = &vq->ring_addrs;
uint64_t len, expected_len;
+ if (addr->flags & (1 << VHOST_VRING_F_LOG)) {
+ vq->log_guest_addr =
+ translate_log_addr(dev, vq, addr->log_guest_addr);
+ if (vq->log_guest_addr == 0) {
+ RTE_LOG(DEBUG, VHOST_CONFIG,
+ "(%d) failed to map log_guest_addr.\n",
+ dev->vid);
+ return dev;
+ }
+ }
+
if (vq_is_packed(dev)) {
len = sizeof(struct vring_packed_desc) * vq->size;
vq->desc_packed = (struct vring_packed_desc *)(uintptr_t)
ring_addr_to_vva(dev, vq, addr->desc_user_addr, &len);
- vq->log_guest_addr = 0;
if (vq->desc_packed == NULL ||
len != sizeof(struct vring_packed_desc) *
vq->size) {
vq->last_avail_idx = vq->used->idx;
}
- vq->log_guest_addr = addr->log_guest_addr;
vq->access_ok = 1;
VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
struct vhost_vring_addr *addr = &msg->payload.addr;
bool access_ok;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (dev->mem == NULL)
return RTE_VHOST_MSG_RESULT_ERR;
struct vhost_virtqueue *vq = dev->virtqueue[msg->payload.state.index];
uint64_t val = msg->payload.state.num;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (vq_is_packed(dev)) {
/*
* Bit[0:14]: avail index
int populate;
int fd;
+ if (validate_msg_fds(msg, memory->nregions) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (memory->nregions > VHOST_MEMORY_MAX_NREGIONS) {
RTE_LOG(ERR, VHOST_CONFIG,
"too many memory regions (%u)\n", memory->nregions);
RTE_LOG(INFO, VHOST_CONFIG,
"(%d) memory regions not changed\n", dev->vid);
- for (i = 0; i < memory->nregions; i++)
- close(msg->fds[i]);
+ close_msg_fds(msg);
return RTE_VHOST_MSG_RESULT_OK;
}
"Failed to read qemu ack on postcopy set-mem-table\n");
goto err_mmap;
}
+
+ if (validate_msg_fds(&ack_msg, 0) != 0)
+ goto err_mmap;
+
if (ack_msg.request.master != VHOST_USER_SET_MEM_TABLE) {
RTE_LOG(ERR, VHOST_CONFIG,
"Bad qemu ack on postcopy set-mem-table (%d)\n",
goto err_mmap;
}
RTE_LOG(INFO, VHOST_CONFIG,
- "\t userfaultfd registered for range : %llx - %llx\n",
- reg_struct.range.start,
- reg_struct.range.start +
- reg_struct.range.len - 1);
+ "\t userfaultfd registered for range : "
+ "%" PRIx64 " - %" PRIx64 "\n",
+ (uint64_t)reg_struct.range.start,
+ (uint64_t)reg_struct.range.start +
+ (uint64_t)reg_struct.range.len - 1);
#else
goto err_mmap;
#endif
return 1;
}
+static void *
+inflight_mem_alloc(const char *name, size_t size, int *fd)
+{
+ void *ptr;
+ int mfd = -1;
+ char fname[20] = "/tmp/memfd-XXXXXX";
+
+ *fd = -1;
+#ifdef MEMFD_SUPPORTED
+ mfd = memfd_create(name, MFD_CLOEXEC);
+#else
+ RTE_SET_USED(name);
+#endif
+ if (mfd == -1) {
+ mfd = mkstemp(fname);
+ if (mfd == -1) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to get inflight buffer fd\n");
+ return NULL;
+ }
+
+ unlink(fname);
+ }
+
+ if (ftruncate(mfd, size) == -1) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to alloc inflight buffer\n");
+ close(mfd);
+ return NULL;
+ }
+
+ ptr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, mfd, 0);
+ if (ptr == MAP_FAILED) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to mmap inflight buffer\n");
+ close(mfd);
+ return NULL;
+ }
+
+ *fd = mfd;
+ return ptr;
+}
+
+static uint32_t
+get_pervq_shm_size_split(uint16_t queue_size)
+{
+ return RTE_ALIGN_MUL_CEIL(sizeof(struct rte_vhost_inflight_desc_split) *
+ queue_size + sizeof(uint64_t) +
+ sizeof(uint16_t) * 4, INFLIGHT_ALIGNMENT);
+}
+
+static uint32_t
+get_pervq_shm_size_packed(uint16_t queue_size)
+{
+ return RTE_ALIGN_MUL_CEIL(sizeof(struct rte_vhost_inflight_desc_packed)
+ * queue_size + sizeof(uint64_t) +
+ sizeof(uint16_t) * 6 + sizeof(uint8_t) * 9,
+ INFLIGHT_ALIGNMENT);
+}
+
+static int
+vhost_user_get_inflight_fd(struct virtio_net **pdev,
+ VhostUserMsg *msg,
+ int main_fd __rte_unused)
+{
+ struct rte_vhost_inflight_info_packed *inflight_packed;
+ uint64_t pervq_inflight_size, mmap_size;
+ uint16_t num_queues, queue_size;
+ struct virtio_net *dev = *pdev;
+ int fd, i, j;
+ void *addr;
+
+ if (msg->size != sizeof(msg->payload.inflight)) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "invalid get_inflight_fd message size is %d\n",
+ msg->size);
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+
+ if (dev->inflight_info == NULL) {
+ dev->inflight_info = calloc(1,
+ sizeof(struct inflight_mem_info));
+ if (!dev->inflight_info) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to alloc dev inflight area\n");
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+ }
+
+ num_queues = msg->payload.inflight.num_queues;
+ queue_size = msg->payload.inflight.queue_size;
+
+ RTE_LOG(INFO, VHOST_CONFIG, "get_inflight_fd num_queues: %u\n",
+ msg->payload.inflight.num_queues);
+ RTE_LOG(INFO, VHOST_CONFIG, "get_inflight_fd queue_size: %u\n",
+ msg->payload.inflight.queue_size);
+
+ if (vq_is_packed(dev))
+ pervq_inflight_size = get_pervq_shm_size_packed(queue_size);
+ else
+ pervq_inflight_size = get_pervq_shm_size_split(queue_size);
+
+ mmap_size = num_queues * pervq_inflight_size;
+ addr = inflight_mem_alloc("vhost-inflight", mmap_size, &fd);
+ if (!addr) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to alloc vhost inflight area\n");
+ msg->payload.inflight.mmap_size = 0;
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+ memset(addr, 0, mmap_size);
+
+ dev->inflight_info->addr = addr;
+ dev->inflight_info->size = msg->payload.inflight.mmap_size = mmap_size;
+ dev->inflight_info->fd = msg->fds[0] = fd;
+ msg->payload.inflight.mmap_offset = 0;
+ msg->fd_num = 1;
+
+ if (vq_is_packed(dev)) {
+ for (i = 0; i < num_queues; i++) {
+ inflight_packed =
+ (struct rte_vhost_inflight_info_packed *)addr;
+ inflight_packed->used_wrap_counter = 1;
+ inflight_packed->old_used_wrap_counter = 1;
+ for (j = 0; j < queue_size; j++)
+ inflight_packed->desc[j].next = j + 1;
+ addr = (void *)((char *)addr + pervq_inflight_size);
+ }
+ }
+
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "send inflight mmap_size: %"PRIu64"\n",
+ msg->payload.inflight.mmap_size);
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "send inflight mmap_offset: %"PRIu64"\n",
+ msg->payload.inflight.mmap_offset);
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "send inflight fd: %d\n", msg->fds[0]);
+
+ return RTE_VHOST_MSG_RESULT_REPLY;
+}
+
+static int
+vhost_user_set_inflight_fd(struct virtio_net **pdev, VhostUserMsg *msg,
+ int main_fd __rte_unused)
+{
+ uint64_t mmap_size, mmap_offset;
+ uint16_t num_queues, queue_size;
+ struct virtio_net *dev = *pdev;
+ uint32_t pervq_inflight_size;
+ struct vhost_virtqueue *vq;
+ void *addr;
+ int fd, i;
+
+ fd = msg->fds[0];
+ if (msg->size != sizeof(msg->payload.inflight) || fd < 0) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "invalid set_inflight_fd message size is %d,fd is %d\n",
+ msg->size, fd);
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+
+ mmap_size = msg->payload.inflight.mmap_size;
+ mmap_offset = msg->payload.inflight.mmap_offset;
+ num_queues = msg->payload.inflight.num_queues;
+ queue_size = msg->payload.inflight.queue_size;
+
+ if (vq_is_packed(dev))
+ pervq_inflight_size = get_pervq_shm_size_packed(queue_size);
+ else
+ pervq_inflight_size = get_pervq_shm_size_split(queue_size);
+
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "set_inflight_fd mmap_size: %"PRIu64"\n", mmap_size);
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "set_inflight_fd mmap_offset: %"PRIu64"\n", mmap_offset);
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "set_inflight_fd num_queues: %u\n", num_queues);
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "set_inflight_fd queue_size: %u\n", queue_size);
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "set_inflight_fd fd: %d\n", fd);
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "set_inflight_fd pervq_inflight_size: %d\n",
+ pervq_inflight_size);
+
+ if (!dev->inflight_info) {
+ dev->inflight_info = calloc(1,
+ sizeof(struct inflight_mem_info));
+ if (dev->inflight_info == NULL) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to alloc dev inflight area\n");
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+ }
+
+ if (dev->inflight_info->addr)
+ munmap(dev->inflight_info->addr, dev->inflight_info->size);
+
+ addr = mmap(0, mmap_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ fd, mmap_offset);
+ if (addr == MAP_FAILED) {
+ RTE_LOG(ERR, VHOST_CONFIG, "failed to mmap share memory.\n");
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+
+ if (dev->inflight_info->fd)
+ close(dev->inflight_info->fd);
+
+ dev->inflight_info->fd = fd;
+ dev->inflight_info->addr = addr;
+ dev->inflight_info->size = mmap_size;
+
+ for (i = 0; i < num_queues; i++) {
+ vq = dev->virtqueue[i];
+ if (vq_is_packed(dev)) {
+ vq->inflight_packed = addr;
+ vq->inflight_packed->desc_num = queue_size;
+ } else {
+ vq->inflight_split = addr;
+ vq->inflight_split->desc_num = queue_size;
+ }
+ addr = (void *)((char *)addr + pervq_inflight_size);
+ }
+
+ return RTE_VHOST_MSG_RESULT_OK;
+}
+
static int
vhost_user_set_vring_call(struct virtio_net **pdev, struct VhostUserMsg *msg,
int main_fd __rte_unused)
struct vhost_vring_file file;
struct vhost_virtqueue *vq;
+ if (validate_msg_fds(msg, 1) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
file.index = msg->payload.u64 & VHOST_USER_VRING_IDX_MASK;
if (msg->payload.u64 & VHOST_USER_VRING_NOFD_MASK)
file.fd = VIRTIO_INVALID_EVENTFD;
struct VhostUserMsg *msg,
int main_fd __rte_unused)
{
+ if (validate_msg_fds(msg, 1) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (!(msg->payload.u64 & VHOST_USER_VRING_NOFD_MASK))
close(msg->fds[0]);
RTE_LOG(INFO, VHOST_CONFIG, "not implemented\n");
return RTE_VHOST_MSG_RESULT_OK;
}
+static int
+resubmit_desc_compare(const void *a, const void *b)
+{
+ const struct rte_vhost_resubmit_desc *desc0 = a;
+ const struct rte_vhost_resubmit_desc *desc1 = b;
+
+ if (desc1->counter > desc0->counter)
+ return 1;
+
+ return -1;
+}
+
+static int
+vhost_check_queue_inflights_split(struct virtio_net *dev,
+ struct vhost_virtqueue *vq)
+{
+ uint16_t i;
+ uint16_t resubmit_num = 0, last_io, num;
+ struct vring_used *used = vq->used;
+ struct rte_vhost_resubmit_info *resubmit;
+ struct rte_vhost_inflight_info_split *inflight_split;
+
+ if (!(dev->protocol_features &
+ (1ULL << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)))
+ return RTE_VHOST_MSG_RESULT_OK;
+
+ if ((!vq->inflight_split))
+ return RTE_VHOST_MSG_RESULT_ERR;
+
+ if (!vq->inflight_split->version) {
+ vq->inflight_split->version = INFLIGHT_VERSION;
+ return RTE_VHOST_MSG_RESULT_OK;
+ }
+
+ if (vq->resubmit_inflight)
+ return RTE_VHOST_MSG_RESULT_OK;
+
+ inflight_split = vq->inflight_split;
+ vq->global_counter = 0;
+ last_io = inflight_split->last_inflight_io;
+
+ if (inflight_split->used_idx != used->idx) {
+ inflight_split->desc[last_io].inflight = 0;
+ rte_smp_mb();
+ inflight_split->used_idx = used->idx;
+ }
+
+ for (i = 0; i < inflight_split->desc_num; i++) {
+ if (inflight_split->desc[i].inflight == 1)
+ resubmit_num++;
+ }
+
+ vq->last_avail_idx += resubmit_num;
+
+ if (resubmit_num) {
+ resubmit = calloc(1, sizeof(struct rte_vhost_resubmit_info));
+ if (!resubmit) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to allocate memory for resubmit info.\n");
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+
+ resubmit->resubmit_list = calloc(resubmit_num,
+ sizeof(struct rte_vhost_resubmit_desc));
+ if (!resubmit->resubmit_list) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to allocate memory for inflight desc.\n");
+ free(resubmit);
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+
+ num = 0;
+ for (i = 0; i < vq->inflight_split->desc_num; i++) {
+ if (vq->inflight_split->desc[i].inflight == 1) {
+ resubmit->resubmit_list[num].index = i;
+ resubmit->resubmit_list[num].counter =
+ inflight_split->desc[i].counter;
+ num++;
+ }
+ }
+ resubmit->resubmit_num = num;
+
+ if (resubmit->resubmit_num > 1)
+ qsort(resubmit->resubmit_list, resubmit->resubmit_num,
+ sizeof(struct rte_vhost_resubmit_desc),
+ resubmit_desc_compare);
+
+ vq->global_counter = resubmit->resubmit_list[0].counter + 1;
+ vq->resubmit_inflight = resubmit;
+ }
+
+ return RTE_VHOST_MSG_RESULT_OK;
+}
+
+static int
+vhost_check_queue_inflights_packed(struct virtio_net *dev,
+ struct vhost_virtqueue *vq)
+{
+ uint16_t i;
+ uint16_t resubmit_num = 0, old_used_idx, num;
+ struct rte_vhost_resubmit_info *resubmit;
+ struct rte_vhost_inflight_info_packed *inflight_packed;
+
+ if (!(dev->protocol_features &
+ (1ULL << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)))
+ return RTE_VHOST_MSG_RESULT_OK;
+
+ if ((!vq->inflight_packed))
+ return RTE_VHOST_MSG_RESULT_ERR;
+
+ if (!vq->inflight_packed->version) {
+ vq->inflight_packed->version = INFLIGHT_VERSION;
+ return RTE_VHOST_MSG_RESULT_OK;
+ }
+
+ if (vq->resubmit_inflight)
+ return RTE_VHOST_MSG_RESULT_OK;
+
+ inflight_packed = vq->inflight_packed;
+ vq->global_counter = 0;
+ old_used_idx = inflight_packed->old_used_idx;
+
+ if (inflight_packed->used_idx != old_used_idx) {
+ if (inflight_packed->desc[old_used_idx].inflight == 0) {
+ inflight_packed->old_used_idx =
+ inflight_packed->used_idx;
+ inflight_packed->old_used_wrap_counter =
+ inflight_packed->used_wrap_counter;
+ inflight_packed->old_free_head =
+ inflight_packed->free_head;
+ } else {
+ inflight_packed->used_idx =
+ inflight_packed->old_used_idx;
+ inflight_packed->used_wrap_counter =
+ inflight_packed->old_used_wrap_counter;
+ inflight_packed->free_head =
+ inflight_packed->old_free_head;
+ }
+ }
+
+ for (i = 0; i < inflight_packed->desc_num; i++) {
+ if (inflight_packed->desc[i].inflight == 1)
+ resubmit_num++;
+ }
+
+ if (resubmit_num) {
+ resubmit = calloc(1, sizeof(struct rte_vhost_resubmit_info));
+ if (resubmit == NULL) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to allocate memory for resubmit info.\n");
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+
+ resubmit->resubmit_list = calloc(resubmit_num,
+ sizeof(struct rte_vhost_resubmit_desc));
+ if (resubmit->resubmit_list == NULL) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to allocate memory for resubmit desc.\n");
+ free(resubmit);
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+
+ num = 0;
+ for (i = 0; i < inflight_packed->desc_num; i++) {
+ if (vq->inflight_packed->desc[i].inflight == 1) {
+ resubmit->resubmit_list[num].index = i;
+ resubmit->resubmit_list[num].counter =
+ inflight_packed->desc[i].counter;
+ num++;
+ }
+ }
+ resubmit->resubmit_num = num;
+
+ if (resubmit->resubmit_num > 1)
+ qsort(resubmit->resubmit_list, resubmit->resubmit_num,
+ sizeof(struct rte_vhost_resubmit_desc),
+ resubmit_desc_compare);
+
+ vq->global_counter = resubmit->resubmit_list[0].counter + 1;
+ vq->resubmit_inflight = resubmit;
+ }
+
+ return RTE_VHOST_MSG_RESULT_OK;
+}
+
static int
vhost_user_set_vring_kick(struct virtio_net **pdev, struct VhostUserMsg *msg,
int main_fd __rte_unused)
struct vhost_vring_file file;
struct vhost_virtqueue *vq;
+ if (validate_msg_fds(msg, 1) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
file.index = msg->payload.u64 & VHOST_USER_VRING_IDX_MASK;
if (msg->payload.u64 & VHOST_USER_VRING_NOFD_MASK)
file.fd = VIRTIO_INVALID_EVENTFD;
close(vq->kickfd);
vq->kickfd = file.fd;
+ if (vq_is_packed(dev)) {
+ if (vhost_check_queue_inflights_packed(dev, vq)) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to inflights for vq: %d\n", file.index);
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+ } else {
+ if (vhost_check_queue_inflights_split(dev, vq)) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to inflights for vq: %d\n", file.index);
+ return RTE_VHOST_MSG_RESULT_ERR;
+ }
+ }
+
return RTE_VHOST_MSG_RESULT_OK;
}
struct vhost_virtqueue *vq = dev->virtqueue[msg->payload.state.index];
uint64_t val;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
/* We have to stop the queue (virtio) if it is running. */
vhost_destroy_device_notify(dev);
struct rte_vdpa_device *vdpa_dev;
int did = -1;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
RTE_LOG(INFO, VHOST_CONFIG,
"set queue enable: %d to qp idx: %d\n",
enable, index);
struct virtio_net *dev = *pdev;
uint64_t features, protocol_features;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
rte_vhost_driver_get_features(dev->ifname, &features);
rte_vhost_driver_get_protocol_features(dev->ifname, &protocol_features);
uint64_t protocol_features = msg->payload.u64;
uint64_t slave_protocol_features = 0;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
rte_vhost_driver_get_protocol_features(dev->ifname,
&slave_protocol_features);
if (protocol_features & ~slave_protocol_features) {
uint64_t size, off;
void *addr;
+ if (validate_msg_fds(msg, 1) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (fd < 0) {
RTE_LOG(ERR, VHOST_CONFIG, "invalid log fd: %d\n", fd);
return RTE_VHOST_MSG_RESULT_ERR;
struct VhostUserMsg *msg,
int main_fd __rte_unused)
{
+ if (validate_msg_fds(msg, 1) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
close(msg->fds[0]);
RTE_LOG(INFO, VHOST_CONFIG, "not implemented.\n");
struct rte_vdpa_device *vdpa_dev;
int did = -1;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
RTE_LOG(DEBUG, VHOST_CONFIG,
":: mac: %02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
int main_fd __rte_unused)
{
struct virtio_net *dev = *pdev;
+
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (msg->payload.u64 < VIRTIO_MIN_MTU ||
msg->payload.u64 > VIRTIO_MAX_MTU) {
RTE_LOG(ERR, VHOST_CONFIG, "Invalid MTU size (%"PRIu64")\n",
struct virtio_net *dev = *pdev;
int fd = msg->fds[0];
+ if (validate_msg_fds(msg, 1) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (fd < 0) {
RTE_LOG(ERR, VHOST_CONFIG,
"Invalid file descriptor for slave channel (%d)\n",
uint16_t i;
uint64_t vva, len;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
switch (imsg->type) {
case VHOST_IOTLB_UPDATE:
len = imsg->size;
#ifdef RTE_LIBRTE_VHOST_POSTCOPY
struct uffdio_api api_struct;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
dev->postcopy_ufd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK);
if (dev->postcopy_ufd == -1) {
{
struct virtio_net *dev = *pdev;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
if (dev->mem && dev->mem->nregions) {
RTE_LOG(ERR, VHOST_CONFIG,
"Regions already registered at postcopy-listen\n");
{
struct virtio_net *dev = *pdev;
+ if (validate_msg_fds(msg, 0) != 0)
+ return RTE_VHOST_MSG_RESULT_ERR;
+
dev->postcopy_listening = 0;
if (dev->postcopy_ufd >= 0) {
close(dev->postcopy_ufd);
[VHOST_USER_POSTCOPY_ADVISE] = vhost_user_set_postcopy_advise,
[VHOST_USER_POSTCOPY_LISTEN] = vhost_user_set_postcopy_listen,
[VHOST_USER_POSTCOPY_END] = vhost_user_postcopy_end,
+ [VHOST_USER_GET_INFLIGHT_FD] = vhost_user_get_inflight_fd,
+ [VHOST_USER_SET_INFLIGHT_FD] = vhost_user_set_inflight_fd,
};
-
/* return bytes# of read on success or negative val on failure. */
static int
read_vhost_message(int sockfd, struct VhostUserMsg *msg)
if (!handled) {
RTE_LOG(ERR, VHOST_CONFIG,
"vhost message (req: %d) was not handled.\n", request);
+ close_msg_fds(&msg);
ret = RTE_VHOST_MSG_RESULT_ERR;
}
git.droids-corp.org / dpdk.git / blobdiff