Merge remote-tracking branch 'aneesh/1.0-fixes' into staging

hw/9pfs: Add qdev.reset callback for virtio-9p-pci device

Add the device reset callback

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

hw/9pfs: use migration blockers to prevent live migration when virtfs export path is mounted

Now when you try to migrate with VirtFS export path mounted, you get a proper QMP error:

(qemu) migrate

hw/9pfs: use migration blockers to prevent live migration when virtfs export path is mounted

Now when you try to migrate with VirtFS export path mounted, you get a proper QMP error:

(qemu) migrate tcp:localhost:4444
Migration is disabled when VirtFS export path '/tmp/' is mounted in the guest using mount_tag 'v_tmp'
(qemu)

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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Merge remote-tracking branch 'aneesh/for-upstream-6' into staging

Conflicts:
trace-events

hw/9pfs: Use export flag for indicating security model

This helps to remove some of the structure members

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

hw/9pfs: Rename fstype to fsdriver to make it consistent across VirtFS code

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

hw/9pfs: Use export_flag for indicating whether fs driver use path names.

This allows us to remove another member from the struct

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

hw/9pfs: Use fs driver specific lstat

Use file system driver specific lstat instead of generic lstat.

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@

hw/9pfs: Use fs driver specific lstat

Use file system driver specific lstat instead of generic lstat.

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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hw/9pfs: Add st_gen support in getattr reply

This patch use file system specific ioctl for getting i_generation
value. Not all file system support the ioctl. So we add an export
specific extended op

hw/9pfs: Add st_gen support in getattr reply

This patch use file system specific ioctl for getting i_generation
value. Not all file system support the ioctl. So we add an export
specific extended operation and assign right callback for the
file system that support i_generation ioctl

["M. Mohan Kumar" <mohan@in.ibm.com> we can do ioctl only for
regular files and directories on the server]

Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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hw/9pfs: Ensure an error is reported to user if 9pfs mount tag is too long

If the 9pfs mount tag is longer than MAX_TAG_LEN bytes, rather than
silently truncating the tag which will likely break the

hw/9pfs: Ensure an error is reported to user if 9pfs mount tag is too long

If the 9pfs mount tag is longer than MAX_TAG_LEN bytes, rather than
silently truncating the tag which will likely break the guest OS,
report an immediate error and exit QEMU

* hw/9pfs/virtio-9p-device.c: Report error & exit if mount tag is
too long

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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hw/9pfs: Add new virtfs option writeout=immediate skip host page cache

writeout=immediate implies the after pwritev we do a sync_file_range.

Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.co

hw/9pfs: Add new virtfs option writeout=immediate skip host page cache

writeout=immediate implies the after pwritev we do a sync_file_range.

Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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hw/9pfs: Use ioeventfd for 9p

With ioeventfd:
[root@qemu-img-64 storage]# dd if=/dev/zero of=/storage/testx bs=8k count=131072 oflag=direct
131072+0 records in
131072+0 records out
1073741824 bytes

hw/9pfs: Use ioeventfd for 9p

With ioeventfd:
[root@qemu-img-64 storage]# dd if=/dev/zero of=/storage/testx bs=8k count=131072 oflag=direct
131072+0 records in
131072+0 records out
1073741824 bytes (1.1 GB) copied, 26.767 s, 40.1 MB/s

Without:
[root@qemu-img-64 storage]# dd if=/dev/zero of=/storage/testx bs=8k count=131072 oflag=direct
131072+0 records in
131072+0 records out
1073741824 bytes (1.1 GB) copied, 65.3361 s, 16.4 MB/s

Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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Merge remote-tracking branch 'aneesh/for-upstream-5' into staging

hw/9pfs: Implement TFLUSH operation

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

hw/9pfs: Add fs driver specific details to fscontext

Add a new context flag PATHNAME_FSCONTEXT and indicate whether
the fs driver track fid using path names. Also add a private
pointer that help us

hw/9pfs: Add fs driver specific details to fscontext

Add a new context flag PATHNAME_FSCONTEXT and indicate whether
the fs driver track fid using path names. Also add a private
pointer that help us to track fs driver specific values in there

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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hw/9pfs: Add init callback to fs driver

This call back can be used to do fs driver specific initialization.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

hw/9pfs: Use read-write lock for protecting fid path.

On rename we take the write lock and this ensure path
doesn't change as we operate on them.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux

hw/9pfs: Use read-write lock for protecting fid path.

On rename we take the write lock and this ensure path
doesn't change as we operate on them.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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Merge remote-tracking branch 'aneesh/for-upstream-3' into staging

hw/9pfs: init fid list properly

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

hw/9pfs: Add file descriptor reclaim support

[M. Mohan Kumar <mohan@in.ibm.com> removed some unused variables]

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

Use glib memory allocation and free functions

qemu_malloc/qemu_free no longer exist after this commit.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Merge remote-tracking branch 'aneesh/for-upstream-1' into staging

[virtio-9p] Add infrastructure to support glib threads and coroutines.

This patch is originally made by Arun Bharadwaj for glib support.
Later Harsh Prateek Bora added coroutines support.
This versi

[virtio-9p] Add infrastructure to support glib threads and coroutines.

This patch is originally made by Arun Bharadwaj for glib support.
Later Harsh Prateek Bora added coroutines support.
This version implemented with suggestions from
Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>.

Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com>
Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri "<jvrao@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

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Merge remote-tracking branch 'mst/for_anthony' into staging

Conflicts:
hw/usb-uhci.c

Merge remote-tracking branch 'origin/master' into pci

Conflicts:
hw/virtio-pci.c