From: "Dr. David Alan Gilbert" <dgilb...@redhat.com>
Stash the RAMBlock and offset for later use looking up
addresses.
Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
---
hw/virtio/trace-events | 1 +
hw/virtio/vhost-user.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
index f7be340a45..1fd194363a 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -3,6 +3,7 @@
# hw/virtio/vhost-user.c
vhost_user_postcopy_listen(void) ""
vhost_user_set_mem_table_postcopy(uint64_t client_addr, uint64_t qhva, int
reply_i, int region_i) "client:%"PRIx64" for hva: %"PRIx64" reply %d region %d"
+vhost_user_set_mem_table_withfd(int index, const char *name, uint64_t
memory_size, uint64_t guest_phys_addr, uint64_t userspace_addr, uint64_t
offset) "%d:%s: size:%"PRIx64" GPA:%"PRIx64" QVA/userspace:%"PRIx64" RB
offset:%"PRIx64
# hw/virtio/virtio.c
virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned
out_num) "elem %p size %zd in_num %u out_num %u"
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 6be3e7ff2d..3185af7a45 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -133,6 +133,11 @@ struct vhost_user {
NotifierWithReturn postcopy_notifier;
struct PostCopyFD postcopy_fd;
uint64_t postcopy_client_bases[VHOST_MEMORY_MAX_NREGIONS];
+ RAMBlock *region_rb[VHOST_MEMORY_MAX_NREGIONS];
+ /* The offset from the start of the RAMBlock to the start of the
+ * vhost region.
+ */
+ ram_addr_t region_rb_offset[VHOST_MEMORY_MAX_NREGIONS];
};
static bool ioeventfd_enabled(void)
@@ -324,8 +329,14 @@ static int vhost_user_set_mem_table(struct vhost_dev *dev,
assert((uintptr_t)reg->userspace_addr == reg->userspace_addr);
mr = memory_region_from_host((void *)(uintptr_t)reg->userspace_addr,
&offset);
+ u->region_rb_offset[i] = offset;
+ u->region_rb[i] = mr->ram_block;
fd = memory_region_get_fd(mr);
if (fd > 0) {
+ trace_vhost_user_set_mem_table_withfd(fd_num, mr->name,
+ reg->memory_size,
+ reg->guest_phys_addr,
+ reg->userspace_addr, offset);
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;
--
2.13.0
