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docs: document sysfs ABI for vDPA bus
Add missing documentation of sysfs ABI for vDPA bus in the new Documentation/ABI/testing/sysfs-bus-vdpa file. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.kernel.org/r/20211126164753.181829-2-sgarzare@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
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Documentation/ABI/testing/sysfs-bus-vdpa
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37
Documentation/ABI/testing/sysfs-bus-vdpa
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What: /sys/bus/vdpa/driver_autoprobe
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Date: March 2020
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Contact: virtualization@lists.linux-foundation.org
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Description:
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This file determines whether new devices are immediately bound
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to a driver after the creation. It initially contains 1, which
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means the kernel automatically binds devices to a compatible
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driver immediately after they are created.
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Writing "0" to this file disable this feature, any other string
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enable it.
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What: /sys/bus/vdpa/driver_probe
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Date: March 2020
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Contact: virtualization@lists.linux-foundation.org
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Description:
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Writing a device name to this file will cause the kernel binds
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devices to a compatible driver.
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This can be useful when /sys/bus/vdpa/driver_autoprobe is
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disabled.
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What: /sys/bus/vdpa/drivers/.../bind
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Date: March 2020
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Contact: virtualization@lists.linux-foundation.org
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Description:
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Writing a device name to this file will cause the driver to
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attempt to bind to the device. This is useful for overriding
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default bindings.
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What: /sys/bus/vdpa/drivers/.../unbind
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Date: March 2020
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Contact: virtualization@lists.linux-foundation.org
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Description:
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Writing a device name to this file will cause the driver to
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attempt to unbind from the device. This may be useful when
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overriding default bindings.
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@ -20132,6 +20132,7 @@ M: "Michael S. Tsirkin" <mst@redhat.com>
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M: Jason Wang <jasowang@redhat.com>
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L: virtualization@lists.linux-foundation.org
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S: Maintained
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F: Documentation/ABI/testing/sysfs-bus-vdpa
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F: Documentation/devicetree/bindings/virtio/
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F: drivers/block/virtio_blk.c
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F: drivers/crypto/virtio/
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