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| author | CLEMENT MATHIEU--DRIF <clement.mathieu--drif@eviden.com> | 2025-06-28 18:03:58 +0000 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2025-07-15 02:56:39 -0400 |
| commit | 06895f7948a32e833a8686d8394064ca2a4d66cc (patch) | |
| tree | cad2e757ca7067990b77df9187280b6652e8402b /include/exec | |
| parent | 4bf06bcf072968c702712ed7fcb2a53f5a252216 (diff) | |
| download | focaccia-qemu-06895f7948a32e833a8686d8394064ca2a4d66cc.tar.gz focaccia-qemu-06895f7948a32e833a8686d8394064ca2a4d66cc.zip | |
pci: Add a memory attribute for pre-translated DMA operations
The address_type bit will be set to PCI_AT_TRANSLATED by devices that use cached addresses obtained via ATS. Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com> Message-Id: <20250628180226.133285-2-clement.mathieu--drif@eviden.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/exec')
| -rw-r--r-- | include/exec/memattrs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/exec/memattrs.h b/include/exec/memattrs.h index 8db1d30464..52ee955249 100644 --- a/include/exec/memattrs.h +++ b/include/exec/memattrs.h @@ -54,6 +54,9 @@ typedef struct MemTxAttrs { */ unsigned int pid:8; + /* PCI - IOMMU operations, see PCIAddressType */ + unsigned int address_type:1; + /* * Bus masters which don't specify any attributes will get this * (via the MEMTXATTRS_UNSPECIFIED constant), so that we can |