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Re: [Qemu-devel] [PATCH 21/30] memory: Add iommu map/unmap notifiers
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 21/30] memory: Add iommu map/unmap notifiers |
Date: |
Thu, 23 May 2013 21:24:30 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 |
Il 23/05/2013 20:27, Peter Maydell ha scritto:
> 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.
David, can you provide them? (If not as a patch, just an inline reply
to this email will do).
Paolo
- Re: [Qemu-devel] [PATCH 17/30] memory: add address_space_translate, (continued)
[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
[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