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[WIP] Add VIrtIO vhost-blk for Gen3 #168

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[WIP] Add VIrtIO vhost-blk for Gen3 #168

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11d2174
vhost: remove work arg from vhost_work_flush
mikechristie May 25, 2021
316959b
vhost: get rid of vhost_poll_flush() wrapper
aryabinin May 17, 2022
455b171
vhost_net: get rid of vhost_net_flush_vq() and extra flush calls
aryabinin May 17, 2022
98837d1
vhost: flush dev once during vhost_dev_stop
mikechristie May 17, 2022
82d3146
vhost_vsock: simplify vhost_vsock_flush()
aryabinin May 17, 2022
e6135a7
vhost: rename vhost_work_dev_flush
mikechristie May 17, 2022
0ed4630
drivers/vhost: vhost-blk accelerator for virtio-blk guests
LKomaryanskiy Sep 3, 2024
1963c3d
drivers/vhost: use array to store workers
LKomaryanskiy Sep 4, 2024
d2eaad2
drivers/vhost: adjust vhost to flush all workers
azhadchenko Oct 13, 2022
b757161
drivers/vhost: rework cgroups attachment to be worker aware
azhadchenko Oct 13, 2022
3b10e1e
drivers/vhost: rework worker creation
azhadchenko Oct 13, 2022
e1b6196
drivers/vhost: add ioctl to increase the number of workers
azhadchenko Oct 13, 2022
3fd4c2a
drivers/vhost: assign workers to virtqueues
LKomaryanskiy Sep 5, 2024
6a5b722
drivers/vhost: add API to queue work at virtqueue's worker
LKomaryanskiy Sep 5, 2024
b4f7f83
drivers/vhost: allow polls to be bound to workers via vqs
LKomaryanskiy Sep 5, 2024
b72aa3c
drivers/vhost: queue vhost_blk works at vq workers
azhadchenko Oct 13, 2022
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12 changes: 12 additions & 0 deletions drivers/vhost/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -95,4 +95,16 @@ config VHOST_CROSS_ENDIAN_LEGACY

If unsure, say "N".

config VHOST_BLK
tristate "Host kernel accelerator for virtio-blk"
depends on BLOCK && EVENTFD
select VHOST
default n
help
This kernel module can be loaded in host kernel to accelerate
guest vm with virtio-blk driver.

To compile this driver as a module, choose M here: the module will
be called vhost_blk.

endif
3 changes: 3 additions & 0 deletions drivers/vhost/Makefile
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Expand Up @@ -18,5 +18,8 @@ obj-$(CONFIG_VHOST) += vhost.o
obj-$(CONFIG_VHOST_IOTLB) += vhost_iotlb.o
vhost_iotlb-y := iotlb.o

obj-$(CONFIG_VHOST_BLK) += vhost_blk.o
vhost_blk-y := blk.o

obj-$(CONFIG_VHOST_XEN) += vhost_xen.o
vhost_xen-y := xen.o
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