Commit [08e53f] Maximize Restore History

virtio-rng: support multiple virtio-rng devices

Current hwrng core supports to register multiple hwrng devices,
and there is only one device really works in the same time.
QEMU alsu supports to have multiple virtio-rng backends.

This patch changes virtio-rng driver to support multiple
virtio-rng devices.

]# cat /sys/class/misc/hw_random/rng_available
virtio_rng.0 virtio_rng.1
]# cat /sys/class/misc/hw_random/rng_current
virtio_rng.0
]# echo -n virtio_rng.1 > /sys/class/misc/hw_random/rng_current
]# dd if=/dev/hwrng of=/dev/null

Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Amos Kong Amos Kong 2014-05-14

Rusty Russell Rusty Russell 2014-05-14

changed drivers
changed drivers/char
changed drivers/char/hw_random
changed drivers/char/hw_random/virtio-rng.c
changed include
changed include/linux
changed include/linux/hw_random.h
drivers
Directory.
drivers/char
Directory.
drivers/char/hw_random/virtio-rng.c Diff Switch to side-by-side view
Loading...
include
Directory.
include/linux
Directory.
include/linux/hw_random.h Diff Switch to side-by-side view
Loading...