diff mbox series

[v4,09/19] pci: Add IOMMU operations to get memory regions with PASID

Message ID 20250227105339.388598-10-clement.mathieu--drif@eviden.com (mailing list archive)
State New, archived
Headers show
Series intel_iommu: Add ATS support | expand

Commit Message

CLEMENT MATHIEU--DRIF Feb. 27, 2025, 10:54 a.m. UTC 
From: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>

The region returned by this operation will be used as the input region
for ATS.

Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
---
 include/hw/pci/pci.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 4002bbeebd..644551550b 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -391,6 +391,22 @@  typedef struct PCIIOMMUOps {
      * @devfn: device and function number
      */
     AddressSpace * (*get_address_space)(PCIBus *bus, void *opaque, int devfn);
+    /**
+     * @get_memory_region_pasid: get the iommu memory region for a given
+     * device and pasid
+     *
+     * @bus: the #PCIBus being accessed.
+     *
+     * @opaque: the data passed to pci_setup_iommu().
+     *
+     * @devfn: device and function number
+     *
+     * @pasid: the pasid associated with the requested memory region
+     */
+    IOMMUMemoryRegion * (*get_memory_region_pasid)(PCIBus *bus,
+                                                   void *opaque,
+                                                   int devfn,
+                                                   uint32_t pasid);
     /**
      * @set_iommu_device: attach a HostIOMMUDevice to a vIOMMU
      *