From 9c25cdeb5f3ca9ef0d683ee8c29b7cb61a174165 Mon Sep 17 00:00:00 2001 From: Stefano Garzarella Date: Fri, 26 Nov 2021 17:47:52 +0100 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20211126164753.181829-2-sgarzare@redhat.com Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang --- Documentation/ABI/testing/sysfs-bus-vdpa | 37 ++++++++++++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 38 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-vdpa diff --git a/Documentation/ABI/testing/sysfs-bus-vdpa b/Documentation/ABI/testing/sysfs-bus-vdpa new file mode 100644 index 0000000..4e55761 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-vdpa @@ -0,0 +1,37 @@ +What: /sys/bus/vdpa/driver_autoprobe +Date: March 2020 +Contact: virtualization@lists.linux-foundation.org +Description: + This file determines whether new devices are immediately bound + to a driver after the creation. It initially contains 1, which + means the kernel automatically binds devices to a compatible + driver immediately after they are created. + + Writing "0" to this file disable this feature, any other string + enable it. + +What: /sys/bus/vdpa/driver_probe +Date: March 2020 +Contact: virtualization@lists.linux-foundation.org +Description: + Writing a device name to this file will cause the kernel binds + devices to a compatible driver. + + This can be useful when /sys/bus/vdpa/driver_autoprobe is + disabled. + +What: /sys/bus/vdpa/drivers/.../bind +Date: March 2020 +Contact: virtualization@lists.linux-foundation.org +Description: + Writing a device name to this file will cause the driver to + attempt to bind to the device. This is useful for overriding + default bindings. + +What: /sys/bus/vdpa/drivers/.../unbind +Date: March 2020 +Contact: virtualization@lists.linux-foundation.org +Description: + Writing a device name to this file will cause the driver to + attempt to unbind from the device. This may be useful when + overriding default bindings. diff --git a/MAINTAINERS b/MAINTAINERS index fb18ce7..d10667b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20132,6 +20132,7 @@ M: "Michael S. Tsirkin" M: Jason Wang L: virtualization@lists.linux-foundation.org S: Maintained +F: Documentation/ABI/testing/sysfs-bus-vdpa F: Documentation/devicetree/bindings/virtio/ F: drivers/block/virtio_blk.c F: drivers/crypto/virtio/ -- 2.7.4