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Diffstat (limited to 'docs/vfio-user.rst')
| -rw-r--r-- | docs/vfio-user.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/vfio-user.rst b/docs/vfio-user.rst index f67ce86..a0e018c 100644 --- a/docs/vfio-user.rst +++ b/docs/vfio-user.rst @@ -1757,6 +1757,9 @@ The data field of the request is structured as follows: The data field of the response is identical, except with the bitmap added on the end at offset 24. +The bitmap is an array of u64s that holds the output bitmap, with 1 bit +reporting a *page_size* unit of IOVA. + The mapping of IOVA to bits is given by: ``bitmap[(addr - iova)/page_size] & (1ULL << (addr % 64))`` |