From ae595267bf78b79b69a8e134c8eea20fa29d4943 Mon Sep 17 00:00:00 2001 From: Thanos Makatos Date: Wed, 9 Jun 2021 15:26:39 +0100 Subject: spec: require DMA unmap to match exactly previous mapping (#559) Signed-off-by: Thanos Makatos Reviewed-by: John Levon --- docs/vfio-user.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/vfio-user.rst b/docs/vfio-user.rst index 9e23fb3..9f05767 100644 --- a/docs/vfio-user.rst +++ b/docs/vfio-user.rst @@ -629,7 +629,8 @@ The request payload for this message is a structure of the following format: * *address* is the base DMA address of the DMA region. * *size* is the size of the DMA region. -The size of request message depends on whether or not the +The address and size of the DMA region being unmapped must match exactly a +previous mapping. The size of request message depends on whether or not the *get dirty page bitmap* bit is set in Flags: * If not set, the size of the total request message is: 16 + 24. -- cgit v1.1