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Virtio interface

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This attempts to implement a "virtual I/O" layer which should allow
common drivers to be efficiently used across most virtual I/O
mechanisms.  It will no-doubt need further enhancement.

The virtio drivers add buffers to virtio queues; as the buffers are consumed
the driver "interrupt" callbacks are invoked.

There is also a generic implementation of config space which drivers can query
to get setup information from the host.

Signed-off-by: Rusty Russell <[email protected]>
Cc: Dor Laor <[email protected]>
Cc: Arnd Bergmann <[email protected]>
This commit is contained in:
Rusty Russell 2007-10-22 11:03:36 +10:00
commit ec3d41c4db
10 changed files with 419 additions and 0 deletions
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1
drivers/Makefile
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@ -91,3 +91,4 @@ obj-$(CONFIG_HID) += hid/
obj-$(CONFIG_PPC_PS3) += ps3/
obj-$(CONFIG_OF) += of/
obj-$(CONFIG_SSB) += ssb/
obj-$(CONFIG_VIRTIO) += virtio/