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vhost-vdpa: add trace-events
Add trace functions in vhost-vdpa.c. All traces from this file can be enabled with '-trace vhost_vdpa*'. Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <20200925091055.186023-3-lvivier@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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bbb169080f
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778e67de4c
@ -22,6 +22,37 @@ vhost_user_postcopy_waker(const char *rb, uint64_t rb_offset) "%s + 0x%"PRIx64
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vhost_user_postcopy_waker_found(uint64_t client_addr) "0x%"PRIx64
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vhost_user_postcopy_waker_nomatch(const char *rb, uint64_t rb_offset) "%s + 0x%"PRIx64
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# vhost-vdpa.c
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vhost_vdpa_dma_map(void *vdpa, int fd, uint32_t msg_type, uint64_t iova, uint64_t size, uint64_t uaddr, uint8_t perm, uint8_t type) "vdpa:%p fd: %d msg_type: %"PRIu32" iova: 0x%"PRIx64" size: 0x%"PRIx64" uaddr: 0x%"PRIx64" perm: 0x%"PRIx8" type: %"PRIu8
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vhost_vdpa_dma_unmap(void *vdpa, int fd, uint32_t msg_type, uint64_t iova, uint64_t size, uint8_t type) "vdpa:%p fd: %d msg_type: %"PRIu32" iova: 0x%"PRIx64" size: 0x%"PRIx64" type: %"PRIu8
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vhost_vdpa_listener_region_add(void *vdpa, uint64_t iova, uint64_t llend, void *vaddr, bool readonly) "vdpa: %p iova 0x%"PRIx64" llend 0x%"PRIx64" vaddr: %p read-only: %d"
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vhost_vdpa_listener_region_del(void *vdpa, uint64_t iova, uint64_t llend) "vdpa: %p iova 0x%"PRIx64" llend 0x%"PRIx64
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vhost_vdpa_add_status(void *dev, uint8_t status) "dev: %p status: 0x%"PRIx8
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vhost_vdpa_init(void *dev, void *vdpa) "dev: %p vdpa: %p"
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vhost_vdpa_cleanup(void *dev, void *vdpa) "dev: %p vdpa: %p"
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vhost_vdpa_memslots_limit(void *dev, int ret) "dev: %p = 0x%x"
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vhost_vdpa_set_mem_table(void *dev, uint32_t nregions, uint32_t padding) "dev: %p nregions: %"PRIu32" padding: 0x%"PRIx32
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vhost_vdpa_dump_regions(void *dev, int i, uint64_t guest_phys_addr, uint64_t memory_size, uint64_t userspace_addr, uint64_t flags_padding) "dev: %p %d: guest_phys_addr: 0x%"PRIx64" memory_size: 0x%"PRIx64" userspace_addr: 0x%"PRIx64" flags_padding: 0x%"PRIx64
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vhost_vdpa_set_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRIx64
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vhost_vdpa_get_device_id(void *dev, uint32_t device_id) "dev: %p device_id %"PRIu32
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vhost_vdpa_reset_device(void *dev, uint8_t status) "dev: %p status: 0x%"PRIx8
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vhost_vdpa_get_vq_index(void *dev, int idx, int vq_idx) "dev: %p idx: %d vq idx: %d"
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vhost_vdpa_set_vring_ready(void *dev) "dev: %p"
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vhost_vdpa_dump_config(void *dev, const char *line) "dev: %p %s"
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vhost_vdpa_set_config(void *dev, uint32_t offset, uint32_t size, uint32_t flags) "dev: %p offset: %"PRIu32" size: %"PRIu32" flags: 0x%"PRIx32
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vhost_vdpa_get_config(void *dev, void *config, uint32_t config_len) "dev: %p config: %p config_len: %"PRIu32
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vhost_vdpa_dev_start(void *dev, bool started) "dev: %p started: %d"
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vhost_vdpa_set_log_base(void *dev, uint64_t base, unsigned long long size, int refcnt, int fd, void *log) "dev: %p base: 0x%"PRIx64" size: %llu refcnt: %d fd: %d log: %p"
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vhost_vdpa_set_vring_addr(void *dev, unsigned int index, unsigned int flags, uint64_t desc_user_addr, uint64_t used_user_addr, uint64_t avail_user_addr, uint64_t log_guest_addr) "dev: %p index: %u flags: 0x%x desc_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" log_guest_addr: 0x%"PRIx64
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vhost_vdpa_set_vring_num(void *dev, unsigned int index, unsigned int num) "dev: %p index: %u num: %u"
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vhost_vdpa_set_vring_base(void *dev, unsigned int index, unsigned int num) "dev: %p index: %u num: %u"
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vhost_vdpa_get_vring_base(void *dev, unsigned int index, unsigned int num) "dev: %p index: %u num: %u"
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vhost_vdpa_set_vring_kick(void *dev, unsigned int index, int fd) "dev: %p index: %u fd: %d"
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vhost_vdpa_set_vring_call(void *dev, unsigned int index, int fd) "dev: %p index: %u fd: %d"
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vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRIx64
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vhost_vdpa_set_owner(void *dev) "dev: %p"
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vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64
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# virtio.c
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virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u"
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virtqueue_fill(void *vq, const void *elem, unsigned int len, unsigned int idx) "vq %p elem %p len %u idx %u"
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@ -20,6 +20,8 @@
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#include "hw/virtio/vhost-vdpa.h"
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#include "qemu/main-loop.h"
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#include "cpu.h"
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#include "trace.h"
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#include "qemu-common.h"
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static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section)
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{
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@ -48,6 +50,9 @@ static int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size,
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msg.iotlb.perm = readonly ? VHOST_ACCESS_RO : VHOST_ACCESS_RW;
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msg.iotlb.type = VHOST_IOTLB_UPDATE;
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trace_vhost_vdpa_dma_map(v, fd, msg.type, msg.iotlb.iova, msg.iotlb.size,
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msg.iotlb.uaddr, msg.iotlb.perm, msg.iotlb.type);
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if (write(fd, &msg, sizeof(msg)) != sizeof(msg)) {
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error_report("failed to write, fd=%d, errno=%d (%s)",
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fd, errno, strerror(errno));
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@ -69,6 +74,9 @@ static int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, hwaddr iova,
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msg.iotlb.size = size;
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msg.iotlb.type = VHOST_IOTLB_INVALIDATE;
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trace_vhost_vdpa_dma_unmap(v, fd, msg.type, msg.iotlb.iova,
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msg.iotlb.size, msg.iotlb.type);
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if (write(fd, &msg, sizeof(msg)) != sizeof(msg)) {
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error_report("failed to write, fd=%d, errno=%d (%s)",
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fd, errno, strerror(errno));
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@ -154,6 +162,9 @@ static void vhost_vdpa_listener_region_add(MemoryListener *listener,
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section->offset_within_region +
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(iova - section->offset_within_address_space);
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trace_vhost_vdpa_listener_region_add(v, iova, int128_get64(llend),
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vaddr, section->readonly);
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llsize = int128_sub(llend, int128_make64(iova));
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ret = vhost_vdpa_dma_map(v, iova, int128_get64(llsize),
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@ -209,6 +220,8 @@ static void vhost_vdpa_listener_region_del(MemoryListener *listener,
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llend = int128_add(llend, section->size);
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llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK));
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trace_vhost_vdpa_listener_region_del(v, iova, int128_get64(llend));
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if (int128_ge(int128_make64(iova), llend)) {
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return;
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}
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@ -249,6 +262,7 @@ static void vhost_vdpa_add_status(struct vhost_dev *dev, uint8_t status)
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{
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uint8_t s;
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trace_vhost_vdpa_add_status(dev, status);
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if (vhost_vdpa_call(dev, VHOST_VDPA_GET_STATUS, &s)) {
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return;
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}
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@ -263,6 +277,7 @@ static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque)
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struct vhost_vdpa *v;
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uint64_t features;
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assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA);
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trace_vhost_vdpa_init(dev, opaque);
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v = opaque;
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v->dev = dev;
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@ -283,6 +298,7 @@ static int vhost_vdpa_cleanup(struct vhost_dev *dev)
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struct vhost_vdpa *v;
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assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA);
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v = dev->opaque;
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trace_vhost_vdpa_cleanup(dev, v);
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memory_listener_unregister(&v->listener);
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dev->opaque = NULL;
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@ -291,13 +307,25 @@ static int vhost_vdpa_cleanup(struct vhost_dev *dev)
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static int vhost_vdpa_memslots_limit(struct vhost_dev *dev)
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{
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trace_vhost_vdpa_memslots_limit(dev, INT_MAX);
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return INT_MAX;
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}
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static int vhost_vdpa_set_mem_table(struct vhost_dev *dev,
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struct vhost_memory *mem)
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{
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trace_vhost_vdpa_set_mem_table(dev, mem->nregions, mem->padding);
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if (trace_event_get_state_backends(TRACE_VHOST_VDPA_SET_MEM_TABLE) &&
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trace_event_get_state_backends(TRACE_VHOST_VDPA_DUMP_REGIONS)) {
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int i;
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for (i = 0; i < mem->nregions; i++) {
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trace_vhost_vdpa_dump_regions(dev, i,
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mem->regions[i].guest_phys_addr,
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mem->regions[i].memory_size,
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mem->regions[i].userspace_addr,
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mem->regions[i].flags_padding);
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}
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}
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if (mem->padding) {
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return -1;
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}
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@ -309,6 +337,7 @@ static int vhost_vdpa_set_features(struct vhost_dev *dev,
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uint64_t features)
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{
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int ret;
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trace_vhost_vdpa_set_features(dev, features);
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ret = vhost_vdpa_call(dev, VHOST_SET_FEATURES, &features);
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uint8_t status = 0;
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if (ret) {
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@ -345,26 +374,34 @@ static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
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int vhost_vdpa_get_device_id(struct vhost_dev *dev,
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uint32_t *device_id)
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{
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return vhost_vdpa_call(dev, VHOST_VDPA_GET_DEVICE_ID, device_id);
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int ret;
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ret = vhost_vdpa_call(dev, VHOST_VDPA_GET_DEVICE_ID, device_id);
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trace_vhost_vdpa_get_device_id(dev, *device_id);
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return ret;
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}
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static int vhost_vdpa_reset_device(struct vhost_dev *dev)
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{
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int ret;
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uint8_t status = 0;
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return vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &status);
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ret = vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &status);
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trace_vhost_vdpa_reset_device(dev, status);
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return ret;
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}
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static int vhost_vdpa_get_vq_index(struct vhost_dev *dev, int idx)
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{
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assert(idx >= dev->vq_index && idx < dev->vq_index + dev->nvqs);
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trace_vhost_vdpa_get_vq_index(dev, idx, idx - dev->vq_index);
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return idx - dev->vq_index;
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}
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static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev)
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{
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int i;
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trace_vhost_vdpa_set_vring_ready(dev);
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for (i = 0; i < dev->nvqs; ++i) {
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struct vhost_vring_state state = {
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.index = dev->vq_index + i,
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@ -375,6 +412,19 @@ static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev)
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return 0;
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}
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static void vhost_vdpa_dump_config(struct vhost_dev *dev, const uint8_t *config,
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uint32_t config_len)
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{
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int b, len;
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char line[QEMU_HEXDUMP_LINE_LEN];
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for (b = 0; b < config_len; b += 16) {
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len = config_len - b;
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qemu_hexdump_line(line, b, config, len, false);
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trace_vhost_vdpa_dump_config(dev, line);
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}
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}
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static int vhost_vdpa_set_config(struct vhost_dev *dev, const uint8_t *data,
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uint32_t offset, uint32_t size,
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uint32_t flags)
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@ -383,10 +433,15 @@ static int vhost_vdpa_set_config(struct vhost_dev *dev, const uint8_t *data,
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int ret;
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unsigned long config_size = offsetof(struct vhost_vdpa_config, buf);
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trace_vhost_vdpa_set_config(dev, offset, size, flags);
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config = g_malloc(size + config_size);
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config->off = offset;
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config->len = size;
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memcpy(config->buf, data, size);
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if (trace_event_get_state_backends(TRACE_VHOST_VDPA_SET_CONFIG) &&
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trace_event_get_state_backends(TRACE_VHOST_VDPA_DUMP_CONFIG)) {
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vhost_vdpa_dump_config(dev, data, size);
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}
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ret = vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG, config);
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g_free(config);
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return ret;
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@ -399,18 +454,24 @@ static int vhost_vdpa_get_config(struct vhost_dev *dev, uint8_t *config,
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unsigned long config_size = offsetof(struct vhost_vdpa_config, buf);
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int ret;
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trace_vhost_vdpa_get_config(dev, config, config_len);
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v_config = g_malloc(config_len + config_size);
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v_config->len = config_len;
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v_config->off = 0;
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ret = vhost_vdpa_call(dev, VHOST_VDPA_GET_CONFIG, v_config);
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memcpy(config, v_config->buf, config_len);
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g_free(v_config);
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if (trace_event_get_state_backends(TRACE_VHOST_VDPA_GET_CONFIG) &&
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trace_event_get_state_backends(TRACE_VHOST_VDPA_DUMP_CONFIG)) {
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vhost_vdpa_dump_config(dev, config, config_len);
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}
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return ret;
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}
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static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started)
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{
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struct vhost_vdpa *v = dev->opaque;
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trace_vhost_vdpa_dev_start(dev, started);
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if (started) {
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uint8_t status = 0;
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memory_listener_register(&v->listener, &address_space_memory);
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@ -432,53 +493,72 @@ static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started)
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static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base,
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struct vhost_log *log)
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{
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trace_vhost_vdpa_set_log_base(dev, base, log->size, log->refcnt, log->fd,
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log->log);
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return vhost_vdpa_call(dev, VHOST_SET_LOG_BASE, &base);
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}
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static int vhost_vdpa_set_vring_addr(struct vhost_dev *dev,
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struct vhost_vring_addr *addr)
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{
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trace_vhost_vdpa_set_vring_addr(dev, addr->index, addr->flags,
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addr->desc_user_addr, addr->used_user_addr,
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addr->avail_user_addr,
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addr->log_guest_addr);
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return vhost_vdpa_call(dev, VHOST_SET_VRING_ADDR, addr);
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}
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static int vhost_vdpa_set_vring_num(struct vhost_dev *dev,
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struct vhost_vring_state *ring)
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{
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trace_vhost_vdpa_set_vring_num(dev, ring->index, ring->num);
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return vhost_vdpa_call(dev, VHOST_SET_VRING_NUM, ring);
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}
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static int vhost_vdpa_set_vring_base(struct vhost_dev *dev,
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struct vhost_vring_state *ring)
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{
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trace_vhost_vdpa_set_vring_base(dev, ring->index, ring->num);
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return vhost_vdpa_call(dev, VHOST_SET_VRING_BASE, ring);
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}
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static int vhost_vdpa_get_vring_base(struct vhost_dev *dev,
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struct vhost_vring_state *ring)
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{
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return vhost_vdpa_call(dev, VHOST_GET_VRING_BASE, ring);
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int ret;
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ret = vhost_vdpa_call(dev, VHOST_GET_VRING_BASE, ring);
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trace_vhost_vdpa_get_vring_base(dev, ring->index, ring->num);
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return ret;
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}
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static int vhost_vdpa_set_vring_kick(struct vhost_dev *dev,
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struct vhost_vring_file *file)
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{
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trace_vhost_vdpa_set_vring_kick(dev, file->index, file->fd);
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return vhost_vdpa_call(dev, VHOST_SET_VRING_KICK, file);
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}
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static int vhost_vdpa_set_vring_call(struct vhost_dev *dev,
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struct vhost_vring_file *file)
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{
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trace_vhost_vdpa_set_vring_call(dev, file->index, file->fd);
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return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file);
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}
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static int vhost_vdpa_get_features(struct vhost_dev *dev,
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uint64_t *features)
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{
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return vhost_vdpa_call(dev, VHOST_GET_FEATURES, features);
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int ret;
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ret = vhost_vdpa_call(dev, VHOST_GET_FEATURES, features);
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trace_vhost_vdpa_get_features(dev, *features);
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return ret;
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}
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static int vhost_vdpa_set_owner(struct vhost_dev *dev)
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{
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trace_vhost_vdpa_set_owner(dev);
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return vhost_vdpa_call(dev, VHOST_SET_OWNER, NULL);
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}
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@ -489,6 +569,8 @@ static int vhost_vdpa_vq_get_addr(struct vhost_dev *dev,
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addr->desc_user_addr = (uint64_t)(unsigned long)vq->desc_phys;
|
||||
addr->avail_user_addr = (uint64_t)(unsigned long)vq->avail_phys;
|
||||
addr->used_user_addr = (uint64_t)(unsigned long)vq->used_phys;
|
||||
trace_vhost_vdpa_vq_get_addr(dev, vq, addr->desc_user_addr,
|
||||
addr->avail_user_addr, addr->used_user_addr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user