Re: [Xen-devel] [PATCH v3 11/13] xen/iommu: smmu: Introduce automatic stream-id-masking

2015-02-23 Thread Julien Grall
On 23/02/2015 10:42, Ian Campbell wrote: On a side note, we consider this platform deprecated we should either drop the code from Xen or write on the wiki that we don't fully support it anymore. It's all about degrees, I think we are fine to support the existing feature set and commit to

Re: [Xen-devel] [PATCH v3 11/13] xen/iommu: smmu: Introduce automatic stream-id-masking

2015-02-23 Thread Ian Campbell
On Mon, 2015-02-23 at 10:52 +, Julien Grall wrote: On 23/02/2015 10:42, Ian Campbell wrote: On a side note, we consider this platform deprecated we should either drop the code from Xen or write on the wiki that we don't fully support it anymore. It's all about degrees, I think we

Re: [Xen-devel] [PATCH v3 11/13] xen/iommu: smmu: Introduce automatic stream-id-masking

2015-02-20 Thread Julien Grall
On 20/02/15 13:15, Ian Campbell wrote: On Fri, 2015-01-30 at 18:49 +, Julien Grall wrote: From: Andreas Herrmann andreas.herrm...@calxeda.com Try to determine mask/id values that match several stream IDs of a master device when doing Stream ID matching. Thus the number of used SMR groups

Re: [Xen-devel] [PATCH v3 11/13] xen/iommu: smmu: Introduce automatic stream-id-masking

2015-02-20 Thread Ian Campbell
On Fri, 2015-02-20 at 13:42 +, Julien Grall wrote: - Use num_s2crs rather than num_streamids in the arm_smmu_free_smrs. This former is the field used to configure SRMS Cc: Andreas Herrmann herrmann.der.u...@googlemail.com Signed-off-by: Andreas Herrmann

Re: [Xen-devel] [PATCH v3 11/13] xen/iommu: smmu: Introduce automatic stream-id-masking

2015-02-20 Thread Julien Grall
On 20/02/15 13:55, Ian Campbell wrote: On Fri, 2015-02-20 at 13:42 +, Julien Grall wrote: - Use num_s2crs rather than num_streamids in the arm_smmu_free_smrs. This former is the field used to configure SRMS Cc: Andreas Herrmann herrmann.der.u...@googlemail.com Signed-off-by: