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

virtio, pc: fixes and features

more guest error handling for virtio devices
virtio migration rework
pc fixes

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

# gpg: Signature made Mon 10 Oct 2016 00:39:11 BST
# gpg:                using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (33 commits)
  intel-iommu: Check IOAPIC's Trigger Mode against the one in IRTE
  virtio: cleanup VMSTATE_VIRTIO_DEVICE
  vhost-vsock: convert VMSTATE_VIRTIO_DEVICE
  virtio-rng: convert VMSTATE_VIRTIO_DEVICE
  virtio-balloon: convert VMSTATE_VIRTIO_DEVICE
  virtio-scsi: convert VMSTATE_VIRTIO_DEVICE
  virtio-input: convert VMSTATE_VIRTIO_DEVICE
  virtio-gpu: convert VMSTATE_VIRTIO_DEVICE
  virtio-serial: convert VMSTATE_VIRTIO_DEVICE
  virtio-9p: convert VMSTATE_VIRTIO_DEVICE
  virtio-net: convert VMSTATE_VIRTIO_DEVICE
  virtio-blk: convert VMSTATE_VIRTIO_DEVICE
  virtio: prepare change VMSTATE_VIRTIO_DEVICE macro
  net: don't poke at chardev internal QemuOpts
  virtio-scsi: handle virtio_scsi_set_config() error
  virtio-scsi: convert virtio_scsi_bad_req() to use virtio_error()
  virtio-net: handle virtio_net_flush_tx() errors
  virtio-net: handle virtio_net_receive() errors
  virtio-net: handle virtio_net_handle_ctrl() error
  virtio-blk: handle virtio_blk_handle_request() errors
  ...

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

4 files changed, 16 insertions, 27 deletions

diff --git a/include/hw/compat.h b/include/hw/compat.h
index 46412b229a..ef3fae3e1b 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -7,6 +7,10 @@
         .property = "page-per-vq",\
         .value    = "on",\
     },{\
+        .driver   = "virtio-serial-device",\
+        .property = "emergency-write",\
+        .value    = "off",\
+    },{\
         .driver   = "ioapic",\
         .property = "version",\
         .value    = "0x11",\
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index 180bd8db5d..9734b4c446 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -80,14 +80,6 @@ typedef struct MultiReqBuffer {
     bool is_write;
 } MultiReqBuffer;
 
-void virtio_blk_init_request(VirtIOBlock *s, VirtQueue *vq,
-                             VirtIOBlockReq *req);
-void virtio_blk_free_request(VirtIOBlockReq *req);
-
-void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb);
-
-void virtio_blk_submit_multireq(BlockBackend *blk, MultiReqBuffer *mrb);
-
 void virtio_blk_handle_vq(VirtIOBlock *s, VirtQueue *vq);
 
 #endif
diff --git a/include/hw/virtio/virtio-serial.h b/include/hw/virtio/virtio-serial.h
index 730c88d2a7..b19c44727f 100644
--- a/include/hw/virtio/virtio-serial.h
+++ b/include/hw/virtio/virtio-serial.h
@@ -184,6 +184,8 @@ struct VirtIOSerial {
     struct VirtIOSerialPostLoad *post_load;
 
     virtio_serial_conf serial;
+
+    uint64_t host_features;
 };
 
 /* Interface to the virtio-serial bus */
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 888c8debe6..b913aac455 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -155,6 +155,8 @@ void *virtqueue_alloc_element(size_t sz, unsigned out_num, unsigned in_num);
 void virtqueue_push(VirtQueue *vq, const VirtQueueElement *elem,
                     unsigned int len);
 void virtqueue_flush(VirtQueue *vq, unsigned int count);
+void virtqueue_detach_element(VirtQueue *vq, const VirtQueueElement *elem,
+                              unsigned int len);
 void virtqueue_discard(VirtQueue *vq, const VirtQueueElement *elem,
                        unsigned int len);
 bool virtqueue_rewind(VirtQueue *vq, unsigned int num);
@@ -175,25 +177,14 @@ bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq);
 void virtio_notify(VirtIODevice *vdev, VirtQueue *vq);
 
 void virtio_save(VirtIODevice *vdev, QEMUFile *f);
-void virtio_vmstate_save(QEMUFile *f, void *opaque, size_t size);
-
-#define VMSTATE_VIRTIO_DEVICE(devname, v, getf, putf) \
-    static const VMStateDescription vmstate_virtio_ ## devname = { \
-        .name = "virtio-" #devname ,          \
-        .minimum_version_id = v,              \
-        .version_id = v,                      \
-        .fields = (VMStateField[]) {          \
-            {                                 \
-                .name = "virtio",             \
-                .info = &(const VMStateInfo) {\
-                        .name = "virtio",     \
-                        .get = getf,          \
-                        .put = putf,          \
-                    },                        \
-                .flags = VMS_SINGLE,          \
-            },                                \
-            VMSTATE_END_OF_LIST()             \
-        }                                     \
+
+extern const VMStateInfo virtio_vmstate_info;
+
+#define VMSTATE_VIRTIO_DEVICE \
+    {                                         \
+        .name = "virtio",                     \
+        .info = &virtio_vmstate_info,         \
+        .flags = VMS_SINGLE,                  \
     }
 
 int virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id);