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memory: Add Error** argument to memory_get_xlat_addr()

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Let the callers do the reporting. This will be useful in
vfio_iommu_map_dirty_notify().

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Cédric Le Goater
2024-05-16 16:59:19 +02:00
parent 94d1208840
commit ebb481c03c
4 changed files with 32 additions and 11 deletions
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include/exec/memory.h
+14 -1
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@@ -774,9 +774,22 @@ void ram_discard_manager_register_listener(RamDiscardManager *rdm,
void ram_discard_manager_unregister_listener(RamDiscardManager *rdm,
RamDiscardListener *rdl);
/**
* memory_get_xlat_addr: Extract addresses from a TLB entry
*
* @iotlb: pointer to an #IOMMUTLBEntry
* @vaddr: virtual address
* @ram_addr: RAM address
* @read_only: indicates if writes are allowed
* @mr_has_discard_manager: indicates memory is controlled by a
* RamDiscardManager
* @errp: pointer to Error*, to store an error if it happens.
*
* Return: true on success, else false setting @errp with error.
*/
bool memory_get_xlat_addr(IOMMUTLBEntry *iotlb, void **vaddr,
ram_addr_t *ram_addr, bool *read_only,
bool *mr_has_discard_manager);
bool *mr_has_discard_manager, Error **errp);
typedef struct CoalescedMemoryRange CoalescedMemoryRange;
typedef struct MemoryRegionIoeventfd MemoryRegionIoeventfd;