diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2018-02-05 21:40:27 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-06 20:57:17 +0300 |
| commit | 37b96a4931dba07cebbf07092e55d1562155412b (patch) | |
| tree | 865b31a14739197399ccc79d62d9e5ad555dbca6 /Documentation/ABI/stable/sysfs-bus-vmbus | |
| parent | cf21be919c5960da2eb7bc91f8056adb27b56712 (diff) | |
| download | linux-37b96a4931dba07cebbf07092e55d1562155412b.tar.xz | |
uio_hv_generic: support sub-channels
Use sysfs to allow supporting sub-channels. The userspace application
makes request to host to create sub-channels and the UIO kernel
driver populates the sysfs per-channel directory with a binary
attribute file that can be used to read/write ring.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/stable/sysfs-bus-vmbus')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-bus-vmbus | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-vmbus b/Documentation/ABI/stable/sysfs-bus-vmbus index e46be65d0e1d..0c9d9dcd2151 100644 --- a/Documentation/ABI/stable/sysfs-bus-vmbus +++ b/Documentation/ABI/stable/sysfs-bus-vmbus @@ -132,3 +132,10 @@ KernelVersion: 4.16 Contact: Stephen Hemminger <sthemmin@microsoft.com> Description: Monitor bit associated with channel Users: Debugging tools and userspace drivers + +What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/ring +Date: January. 2018 +KernelVersion: 4.16 +Contact: Stephen Hemminger <sthemmin@microsoft.com> +Description: Binary file created by uio_hv_generic for ring buffer +Users: Userspace drivers |