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6b0e9233e4
freebsd-nq/sys/dev/virtio
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Bryan Venteicher 6b0e9233e4 Rework vtblk dump handling of in flight requests 
Previously, the driver resets the device and abandon the requests that
are caught in flight when the dump was initiated. This was problematic
if the system is resumed after the dump is completed.

While that is probably not the typical action, it is simple to rework
the driver to very likely have the device usable after the dump without
making it more likely for the dump to fail. The in flight requests are
simply queued for completion once the dump is finished.

Requested by:	markj
MFC after:	1 month
2015-01-27 05:34:46 +00:00
..
balloon xen/virtio: fix balloon drivers to not mark pages as WIRED 2014-06-25 09:51:08 +00:00
block Rework vtblk dump handling of in flight requests 2015-01-27 05:34:46 +00:00
console Several minor changes to hopefully complete the VirtIO console driver 2014-11-07 03:36:28 +00:00
mmio Set the page size in the virtio-mmio driver. Some backends, e.g QEMU, assume 2014-12-30 12:47:44 +00:00
network Add softc flag for when the indirect descriptor feature was negotiated 2015-01-01 02:06:00 +00:00
pci Move the VIRTIO_RING_F_* defines out of virtqueue.h into virtio_config.h 2014-06-16 04:25:04 +00:00
random Wait for the callout to finish before unloading the module 2014-04-24 05:04:54 +00:00
scsi Prevent overflow issues in timeout processing 2014-11-21 21:01:24 +00:00
virtio_bus_if.m Add virtio bus 'poll' method allowing us to inform backend we are 2014-12-12 11:19:10 +00:00
virtio_config.h Move the VIRTIO_RING_F_* defines out of virtqueue.h into virtio_config.h 2014-06-16 04:25:04 +00:00
virtio_ids.h Split the virtio.h header file into multiple files 2014-06-01 18:16:01 +00:00
virtio_if.m Add optional VirtIO device method for post-attach notifications 2013-09-01 04:20:23 +00:00
virtio_ring.h
virtio.c Split the virtio.h header file into multiple files 2014-06-01 18:16:01 +00:00
virtio.h Move the VIRTIO_RING_F_* defines out of virtqueue.h into virtio_config.h 2014-06-16 04:25:04 +00:00
virtqueue.c Add virtio bus 'poll' method allowing us to inform backend we are 2014-12-12 11:19:10 +00:00
virtqueue.h Add accessor to get the number of free descriptors in the virtqueue 2014-07-10 05:26:01 +00:00