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Re: [Qemu-devel] [PATCH 21/30] memory: Add iommu map/unmap notifiers
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 21/30] memory: Add iommu map/unmap notifiers |
Date: |
Thu, 23 May 2013 19:27:23 +0100 |
On 21 May 2013 11:57, Paolo Bonzini <address@hidden> wrote:
> From: David Gibson <address@hidden>
>
> This patch adds a NotifierList to MemoryRegions which represent IOMMUs
> allowing other parts of the code to register interest in mappings or
> unmappings from the IOMMU. All IOMMU implementations will need to call
> memory_region_notify_iommu() to inform those waiting on the notifier list,
> whenever an IOMMU mapping is made or removed.
>
> Signed-off-by: David Gibson <address@hidden>
> @@ -423,6 +425,11 @@ static inline bool memory_region_is_romd(MemoryRegion
> *mr)
> */
> bool memory_region_is_iommu(MemoryRegion *mr);
>
> +void memory_region_notify_iommu(MemoryRegion *mr,
> + IOMMUTLBEntry entry);
> +void memory_region_register_iommu_notifier(MemoryRegion *mr, Notifier *n);
> +void memory_region_unregister_iommu_notifier(Notifier *n);
These all need doc comments.
The code looks good.
thanks
-- PMM
[Qemu-devel] [PATCH 19/30] memory: Introduce address_space_lookup_region, Paolo Bonzini, 2013/05/21
[Qemu-devel] [PATCH 20/30] memory: iommu support, Paolo Bonzini, 2013/05/21
[Qemu-devel] [PATCH 21/30] memory: Add iommu map/unmap notifiers, Paolo Bonzini, 2013/05/21
- Re: [Qemu-devel] [PATCH 21/30] memory: Add iommu map/unmap notifiers,
Peter Maydell <=
[Qemu-devel] [PATCH 22/30] vfio: abort if an emulated iommu is used, Paolo Bonzini, 2013/05/21
[Qemu-devel] [PATCH 23/30] spapr: convert TCE API to use an opaque type, Paolo Bonzini, 2013/05/21
[Qemu-devel] [PATCH 24/30] spapr: make IOMMU translation go through IOMMUTLBEntry, Paolo Bonzini, 2013/05/21
[Qemu-devel] [PATCH 25/30] spapr: use memory core for iommu support, Paolo Bonzini, 2013/05/21
[Qemu-devel] [PATCH 26/30] dma: eliminate old-style IOMMU support, Paolo Bonzini, 2013/05/21
[Qemu-devel] [PATCH 27/30] pci: use memory core for iommu support, Paolo Bonzini, 2013/05/21