From c5702d1b31085ccda7f46e514a51c6c8db54cdc4 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 9 Jan 2018 12:57:29 -0800 Subject: [PATCH] uio: document uio_hv_generic regions Describe the regions present with uio_hv_generic in documentation for driver API. Signed-off-by: Stephen Hemminger Signed-off-by: Greg Kroah-Hartman --- Documentation/driver-api/uio-howto.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/driver-api/uio-howto.rst b/Documentation/driver-api/uio-howto.rst index 3a0d3f5f5c53..968f4c21c733 100644 --- a/Documentation/driver-api/uio-howto.rst +++ b/Documentation/driver-api/uio-howto.rst @@ -698,6 +698,11 @@ prevents the device from generating further interrupts until the bit is cleared. The userspace driver should clear this bit before blocking and waiting for more interrupts. +The vmbus device regions are mapped into uio device resources: + 0) Channel ring buffers: guest to host and host to guest + 1) Guest to host interrupt signalling pages + 2) Guest to host monitor page + Further information ===================