motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 07:43:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

memory: introduce IOMMUOps.notify_flag_changed

Browse source 
The new interface can be used to replace the old notify_started() and
notify_stopped(). Meanwhile it provides explicit flags so that IOMMUs
can know what kind of notifications it is requested for.

Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1474606948-14391-3-git-send-email-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Xu 2016-09-23 13:02:27 +08:00 • committed by Paolo Bonzini
parent cdb3081269
commit 5bf3d31903
5 changed files with 44 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/exec/memory.h
View file

@ -174,10 +174,10 @@ struct MemoryRegionIOMMUOps {
IOMMUTLBEntry (*translate)(MemoryRegion *iommu, hwaddr addr, bool is_write);
/* Returns minimum supported page size */
uint64_t (*get_min_page_size)(MemoryRegion *iommu);
/* Called when the first notifier is set */
void (*notify_started)(MemoryRegion *iommu);
/* Called when the last notifier is removed */
void (*notify_stopped)(MemoryRegion *iommu);
/* Called when IOMMU Notifier flag changed */
void (*notify_flag_changed)(MemoryRegion *iommu,
IOMMUNotifierFlag old_flags,
IOMMUNotifierFlag new_flags);
};
typedef struct CoalescedMemoryRange CoalescedMemoryRange;
@ -223,6 +223,7 @@ struct MemoryRegion {
unsigned ioeventfd_nb;
MemoryRegionIoeventfd *ioeventfds;
QLIST_HEAD(, IOMMUNotifier) iommu_notify;
IOMMUNotifierFlag iommu_notify_flags;
};
/**