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virtio, pc: fixes and features

Browse source 
more guest error handling for virtio devices
 virtio migration rework
 pc fixes
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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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>
This commit is contained in:
Peter Maydell 2016-10-10 16:23:40 +01:00
commit 627eae7d72
34 changed files with 483 additions and 307 deletions
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30
net/colo-compare.c
View file

@ -564,29 +564,6 @@ static void compare_sec_rs_finalize(SocketReadState *sec_rs)
}
}
static int compare_chardev_opts(void *opaque,
const char *name, const char *value,
Error **errp)
{
CompareChardevProps *props = opaque;
if (strcmp(name, "backend") == 0 &&
strcmp(value, "socket") == 0) {
props->is_socket = true;
return 0;
} else if (strcmp(name, "host") == 0 ||
(strcmp(name, "port") == 0) ||
(strcmp(name, "server") == 0) ||
(strcmp(name, "wait") == 0) ||
(strcmp(name, "path") == 0)) {
return 0;
} else {
error_setg(errp,
"COLO-compare does not support a chardev with option %s=%s",
name, value);
return -1;
}
}
/*
* Return 0 is success.
@ -606,12 +583,9 @@ static int find_and_check_chardev(CharDriverState **chr,
}
memset(&props, 0, sizeof(props));
if (qemu_opt_foreach((*chr)->opts, compare_chardev_opts, &props, errp)) {
return 1;
}
if (!props.is_socket) {
error_setg(errp, "chardev \"%s\" is not a tcp socket",
if (!qemu_chr_has_feature(*chr, QEMU_CHAR_FEATURE_RECONNECTABLE)) {
error_setg(errp, "chardev \"%s\" is not reconnectable",
chr_name);
return 1;
}

41
net/vhost-user.c
View file

@ -27,11 +27,6 @@ typedef struct VhostUserState {
bool started;
} VhostUserState;
typedef struct VhostUserChardevProps {
bool is_socket;
bool is_unix;
} VhostUserChardevProps;
VHostNetState *vhost_user_get_vhost_net(NetClientState *nc)
{
VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);
@ -278,45 +273,23 @@ static int net_vhost_user_init(NetClientState *peer, const char *device,
return 0;
}
static int net_vhost_chardev_opts(void *opaque,
const char *name, const char *value,
Error **errp)
{
VhostUserChardevProps *props = opaque;
if (strcmp(name, "backend") == 0 && strcmp(value, "socket") == 0) {
props->is_socket = true;
} else if (strcmp(name, "path") == 0) {
props->is_unix = true;
} else if (strcmp(name, "server") == 0) {
} else {
error_setg(errp,
"vhost-user does not support a chardev with option %s=%s",
name, value);
return -1;
}
return 0;
}
static CharDriverState *net_vhost_parse_chardev(
static CharDriverState *net_vhost_claim_chardev(
const NetdevVhostUserOptions *opts, Error **errp)
{
CharDriverState *chr = qemu_chr_find(opts->chardev);
VhostUserChardevProps props;
if (chr == NULL) {
error_setg(errp, "chardev \"%s\" not found", opts->chardev);
return NULL;
}
/* inspect chardev opts */
memset(&props, 0, sizeof(props));
if (qemu_opt_foreach(chr->opts, net_vhost_chardev_opts, &props, errp)) {
if (!qemu_chr_has_feature(chr, QEMU_CHAR_FEATURE_RECONNECTABLE)) {
error_setg(errp, "chardev \"%s\" is not reconnectable",
opts->chardev);
return NULL;
}
if (!props.is_socket || !props.is_unix) {
error_setg(errp, "chardev \"%s\" is not a unix socket",
if (!qemu_chr_has_feature(chr, QEMU_CHAR_FEATURE_FD_PASS)) {
error_setg(errp, "chardev \"%s\" does not support FD passing",
opts->chardev);
return NULL;
}
@ -357,7 +330,7 @@ int net_init_vhost_user(const Netdev *netdev, const char *name,
assert(netdev->type == NET_CLIENT_DRIVER_VHOST_USER);
vhost_user_opts = &netdev->u.vhost_user;
chr = net_vhost_parse_chardev(vhost_user_opts, errp);
chr = net_vhost_claim_chardev(vhost_user_opts, errp);
if (!chr) {
return -1;
}