On Thu, 12 Sep 2013, Catalin Marinas wrote:
> On Wed, Sep 11, 2013 at 06:34:17PM +0100, Stefano Stabellini wrote:
> > On Wed, 11 Sep 2013, Catalin Marinas wrote:
> > > static inline void set_dma_ops(struct device *dev, struct dma_map_ops
> > > *ops)
> > > {
> > > BUG_ON(!dev);
> > > @@ -32,7
On Thu, Sep 12, 2013 at 03:44:50PM +0100, Stefano Stabellini wrote:
> On Thu, 12 Sep 2013, Catalin Marinas wrote:
> > On Wed, Sep 11, 2013 at 06:34:17PM +0100, Stefano Stabellini wrote:
> > > On Wed, 11 Sep 2013, Catalin Marinas wrote:
> > > > static inline void set_dma_ops(struct device *dev,
On Wed, Sep 11, 2013 at 06:34:17PM +0100, Stefano Stabellini wrote:
> On Wed, 11 Sep 2013, Catalin Marinas wrote:
> > static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
> > {
> > BUG_ON(!dev);
> > @@ -32,7 +39,7 @@ static inline void set_dma_ops(struct device *dev,
On Wed, Sep 11, 2013 at 06:34:17PM +0100, Stefano Stabellini wrote:
On Wed, 11 Sep 2013, Catalin Marinas wrote:
static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
{
BUG_ON(!dev);
@@ -32,7 +39,7 @@ static inline void set_dma_ops(struct device *dev, struct
On Thu, Sep 12, 2013 at 03:44:50PM +0100, Stefano Stabellini wrote:
On Thu, 12 Sep 2013, Catalin Marinas wrote:
On Wed, Sep 11, 2013 at 06:34:17PM +0100, Stefano Stabellini wrote:
On Wed, 11 Sep 2013, Catalin Marinas wrote:
static inline void set_dma_ops(struct device *dev, struct
On Thu, 12 Sep 2013, Catalin Marinas wrote:
On Wed, Sep 11, 2013 at 06:34:17PM +0100, Stefano Stabellini wrote:
On Wed, 11 Sep 2013, Catalin Marinas wrote:
static inline void set_dma_ops(struct device *dev, struct dma_map_ops
*ops)
{
BUG_ON(!dev);
@@ -32,7 +39,7 @@ static
On Wed, 11 Sep 2013, Catalin Marinas wrote:
> On Mon, Sep 09, 2013 at 05:46:59PM +0100, Stefano Stabellini wrote:
> > On Mon, 9 Sep 2013, Catalin Marinas wrote:
> > > >>> They could also happen in a DomU if we assign a physical device to it
> > > >>> (and an SMMU is not available).
> > > >>
> > >
On Mon, Sep 09, 2013 at 05:46:59PM +0100, Stefano Stabellini wrote:
> On Mon, 9 Sep 2013, Catalin Marinas wrote:
> > >>> They could also happen in a DomU if we assign a physical device to it
> > >>> (and an SMMU is not available).
> > >>
> > >> The problem is that you don't necessarily know one
On Mon, Sep 09, 2013 at 05:46:59PM +0100, Stefano Stabellini wrote:
On Mon, 9 Sep 2013, Catalin Marinas wrote:
They could also happen in a DomU if we assign a physical device to it
(and an SMMU is not available).
The problem is that you don't necessarily know one kind of coherency
On Wed, 11 Sep 2013, Catalin Marinas wrote:
On Mon, Sep 09, 2013 at 05:46:59PM +0100, Stefano Stabellini wrote:
On Mon, 9 Sep 2013, Catalin Marinas wrote:
They could also happen in a DomU if we assign a physical device to it
(and an SMMU is not available).
The problem is that
On Mon, 9 Sep 2013, Catalin Marinas wrote:
> >>> They could also happen in a DomU if we assign a physical device to it
> >>> (and an SMMU is not available).
> >>
> >> The problem is that you don't necessarily know one kind of coherency you
> >> know for a physical device. As I said, we plan to do
On 6 Sep 2013, at 17:52, Stefano Stabellini
wrote:
> On Fri, 6 Sep 2013, Catalin Marinas wrote:
>> On Fri, Sep 06, 2013 at 05:09:52PM +0100, Stefano Stabellini wrote:
>>> On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
> On
On 6 Sep 2013, at 17:52, Stefano Stabellini stefano.stabell...@eu.citrix.com
wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Fri, Sep 06, 2013 at 05:09:52PM +0100, Stefano Stabellini wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano
On Mon, 9 Sep 2013, Catalin Marinas wrote:
They could also happen in a DomU if we assign a physical device to it
(and an SMMU is not available).
The problem is that you don't necessarily know one kind of coherency you
know for a physical device. As I said, we plan to do this DT-driven.
On Fri, 6 Sep 2013, Catalin Marinas wrote:
> On Fri, Sep 06, 2013 at 05:09:52PM +0100, Stefano Stabellini wrote:
> > On Fri, 6 Sep 2013, Catalin Marinas wrote:
> > > On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
> > > > On Fri, 6 Sep 2013, Catalin Marinas wrote:
> > > > > On
On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
> On Fri, 6 Sep 2013, Catalin Marinas wrote:
> > On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
> > > On Thu, 5 Sep 2013, Catalin Marinas wrote:
> > > > On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano
On Fri, Sep 06, 2013 at 05:09:52PM +0100, Stefano Stabellini wrote:
> On Fri, 6 Sep 2013, Catalin Marinas wrote:
> > On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
> > > On Fri, 6 Sep 2013, Catalin Marinas wrote:
> > > > On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano
On Fri, 6 Sep 2013, Catalin Marinas wrote:
> On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
> > On Fri, 6 Sep 2013, Catalin Marinas wrote:
> > > On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
> > > > On Thu, 5 Sep 2013, Catalin Marinas wrote:
> > > > > On
On Fri, 6 Sep 2013, Catalin Marinas wrote:
> On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
> > On Thu, 5 Sep 2013, Catalin Marinas wrote:
> > > On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
> > > > xen_swiotlb_alloc_coherent needs to allocate a coherent
On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
> On Thu, 5 Sep 2013, Catalin Marinas wrote:
> > On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
> > > xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
> > > and devices. On native x86 and
On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
On Thu, 5 Sep 2013, Catalin Marinas wrote:
On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
and devices. On native x86 and ARMv8 is
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
On Thu, 5 Sep 2013, Catalin Marinas wrote:
On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
On Thu, 5 Sep 2013, Catalin Marinas wrote:
On Thu, Aug 29,
On Fri, Sep 06, 2013 at 05:09:52PM +0100, Stefano Stabellini wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini
On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Thu, Sep 05, 2013 at 05:43:33PM +0100, Stefano Stabellini wrote:
On Thu, 5 Sep 2013, Catalin Marinas wrote:
On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Fri, Sep 06, 2013 at 05:09:52PM +0100, Stefano Stabellini wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Fri, Sep 06, 2013 at 03:59:02PM +0100, Stefano Stabellini wrote:
On Fri, 6 Sep 2013, Catalin Marinas wrote:
On Thu, Sep 05,
On Thu, 5 Sep 2013, Catalin Marinas wrote:
> On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
> > xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
> > and devices. On native x86 and ARMv8 is sufficient to call
> > __get_free_pages in order to get a coherent
On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
> xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
> and devices. On native x86 and ARMv8 is sufficient to call
> __get_free_pages in order to get a coherent buffer, while on ARM we need
> to call
On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
and devices. On native x86 and ARMv8 is sufficient to call
__get_free_pages in order to get a coherent buffer, while on ARM we need
to call
On Thu, 5 Sep 2013, Catalin Marinas wrote:
On Thu, Aug 29, 2013 at 07:32:32PM +0100, Stefano Stabellini wrote:
xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
and devices. On native x86 and ARMv8 is sufficient to call
__get_free_pages in order to get a coherent
xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
and devices. On native x86 and ARMv8 is sufficient to call
__get_free_pages in order to get a coherent buffer, while on ARM we need
to call arm_dma_ops.alloc.
Introduce xen_alloc_coherent_pages to abstract the arch specific
xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu
and devices. On native x86 and ARMv8 is sufficient to call
__get_free_pages in order to get a coherent buffer, while on ARM we need
to call arm_dma_ops.alloc.
Introduce xen_alloc_coherent_pages to abstract the arch specific
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