Re: [PATCH 10/22] iommu: Introduce direct mapped region handling

2015-06-11 Thread Robin Murphy
On 28/05/15 17:41, Joerg Roedel wrote: From: Joerg Roedel Add two new functions to the IOMMU-API to allow the IOMMU drivers to export the requirements for direct mapped regions per device. This is useful for exporting the information in Intel VT-d's RMRR entries or AMD-Vi's unity mappings.

Re: [PATCH 10/22] iommu: Introduce direct mapped region handling

2015-06-11 Thread Robin Murphy
On 28/05/15 17:41, Joerg Roedel wrote: From: Joerg Roedel jroe...@suse.de Add two new functions to the IOMMU-API to allow the IOMMU drivers to export the requirements for direct mapped regions per device. This is useful for exporting the information in Intel VT-d's RMRR entries or AMD-Vi's

Re: [PATCH 10/22] iommu: Introduce direct mapped region handling

2015-06-05 Thread jroe...@suse.de
Hi Will, On Fri, Jun 05, 2015 at 03:17:50PM +0100, Will Deacon wrote: > On Thu, May 28, 2015 at 05:41:33PM +0100, Joerg Roedel wrote: > > +/** > > + * struct iommu_dm_region - descriptor for a direct mapped memory region > > + * @list: Linked list pointers > > + * @start: System physical start

Re: [PATCH 10/22] iommu: Introduce direct mapped region handling

2015-06-05 Thread Will Deacon
Hi Joerg, On Thu, May 28, 2015 at 05:41:33PM +0100, Joerg Roedel wrote: > From: Joerg Roedel > > Add two new functions to the IOMMU-API to allow the IOMMU > drivers to export the requirements for direct mapped regions > per device. > This is useful for exporting the information in Intel VT-d's

Re: [PATCH 10/22] iommu: Introduce direct mapped region handling

2015-06-05 Thread Will Deacon
Hi Joerg, On Thu, May 28, 2015 at 05:41:33PM +0100, Joerg Roedel wrote: From: Joerg Roedel jroe...@suse.de Add two new functions to the IOMMU-API to allow the IOMMU drivers to export the requirements for direct mapped regions per device. This is useful for exporting the information in

Re: [PATCH 10/22] iommu: Introduce direct mapped region handling

2015-06-05 Thread jroe...@suse.de
Hi Will, On Fri, Jun 05, 2015 at 03:17:50PM +0100, Will Deacon wrote: On Thu, May 28, 2015 at 05:41:33PM +0100, Joerg Roedel wrote: +/** + * struct iommu_dm_region - descriptor for a direct mapped memory region + * @list: Linked list pointers + * @start: System physical start address of

[PATCH 10/22] iommu: Introduce direct mapped region handling

2015-05-28 Thread Joerg Roedel
From: Joerg Roedel Add two new functions to the IOMMU-API to allow the IOMMU drivers to export the requirements for direct mapped regions per device. This is useful for exporting the information in Intel VT-d's RMRR entries or AMD-Vi's unity mappings. Signed-off-by: Joerg Roedel ---

[PATCH 10/22] iommu: Introduce direct mapped region handling

2015-05-28 Thread Joerg Roedel
From: Joerg Roedel jroe...@suse.de Add two new functions to the IOMMU-API to allow the IOMMU drivers to export the requirements for direct mapped regions per device. This is useful for exporting the information in Intel VT-d's RMRR entries or AMD-Vi's unity mappings. Signed-off-by: Joerg Roedel