Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,vhost,virtio fixes, enhancements

virtio bi-endian support
new command to resync RTC
misc bugfixes and cleanups

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 29 Jun 2014 17:41:13 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream: (37 commits)
  tests: add human format test for string output visitor
  vhost-net: disable when cross-endian
  target-ppc: enable virtio endian ambivalent support
  virtio-9p: use virtio wrappers to access headers
  virtio-serial-bus: use virtio wrappers to access headers
  virtio-scsi: use virtio wrappers to access headers
  virtio-blk: use virtio wrappers to access headers
  virtio-balloon: use virtio wrappers to access page frame numbers
  virtio-net: use virtio wrappers to access headers
  virtio: allow byte swapping for vring
  virtio: memory accessors for endian-ambivalent targets
  virtio: add endian-ambivalent support to VirtIODevice
  cpu: introduce CPUClass::virtio_is_big_endian()
  exec: introduce target_words_bigendian() helper
  virtio: add subsections to the migration stream
  virtio-rng: implement per-device migration calls
  virtio-balloon: implement per-device migration calls
  virtio-serial: implement per-device migration calls
  virtio-blk: implement per-device migration calls
  virtio-net: implement per-device migration calls
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 14 insertions, 9 deletions

diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 0df6a936a0..38e580642f 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -14,6 +14,7 @@
 #include "sysemu/kvm.h"
 #include "qemu/error-report.h"
 #include "qemu/sockets.h"
+#include "exec/ram_addr.h"
 
 #include <fcntl.h>
 #include <unistd.h>
@@ -47,6 +48,7 @@ typedef struct VhostUserMemoryRegion {
     uint64_t guest_phys_addr;
     uint64_t memory_size;
     uint64_t userspace_addr;
+    uint64_t mmap_offset;
 } VhostUserMemoryRegion;
 
 typedef struct VhostUserMemory {
@@ -183,10 +185,10 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
 {
     VhostUserMsg msg;
     VhostUserRequest msg_request;
-    RAMBlock *block = 0;
     struct vhost_vring_file *file = 0;
     int need_reply = 0;
     int fds[VHOST_MEMORY_MAX_NREGIONS];
+    int i, fd;
     size_t fd_num = 0;
 
     assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER);
@@ -212,14 +214,17 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
         break;
 
     case VHOST_SET_MEM_TABLE:
-        QTAILQ_FOREACH(block, &ram_list.blocks, next)
-        {
-            if (block->fd > 0) {
-                msg.memory.regions[fd_num].userspace_addr =
-                    (uintptr_t) block->host;
-                msg.memory.regions[fd_num].memory_size = block->length;
-                msg.memory.regions[fd_num].guest_phys_addr = block->offset;
-                fds[fd_num++] = block->fd;
+        for (i = 0; i < dev->mem->nregions; ++i) {
+            struct vhost_memory_region *reg = dev->mem->regions + i;
+            fd = qemu_get_ram_fd(reg->guest_phys_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(reg->guest_phys_addr);
+                assert(fd_num < VHOST_MEMORY_MAX_NREGIONS);
+                fds[fd_num++] = fd;
             }
         }