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vfio-user: handle PCI BAR accesses

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Determine the BARs used by the PCI device and register handlers to
manage the access to the same.

Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 3373e10b5be5f42846f0632d4382466e1698c505.1655151679.git.jag.raman@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Jagannathan Raman
2022-06-15 16:43:42 +01:00
committed by Stefan Hajnoczi
parent 15ccf9bee7
commit 3123f93d6b
5 changed files with 203 additions and 6 deletions
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include/exec/memory.h
+3
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@@ -2810,6 +2810,9 @@ MemTxResult address_space_write_cached_slow(MemoryRegionCache *cache,
hwaddr addr, const void *buf,
hwaddr len);
int memory_access_size(MemoryRegion *mr, unsigned l, hwaddr addr);
bool prepare_mmio_access(MemoryRegion *mr);
static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
{
if (is_write) {