Stefano Stabellini d6fe76c58c xen: introduce xen_alloc/free_coherent_pages ... xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu and devices. On native x86 is sufficient to call __get_free_pages in order to get a coherent buffer, while on ARM (and potentially ARM64) we need to call the native dma_ops->alloc implementation. Introduce xen_alloc_coherent_pages to abstract the arch specific buffer allocation. Similarly introduce xen_free_coherent_pages to free a coherent buffer: on x86 is simply a call to free_pages while on ARM and ARM64 is arm_dma_ops.free. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Changes in v7: - rename __get_dma_ops to __generic_dma_ops; - call __generic_dma_ops(hwdev)->alloc/free on arm64 too. Changes in v6: - call __get_dma_ops to get the native dma_ops pointer on arm.		2013-10-09 17:18:14 +00:00
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events.h	xen: Support 64-bit PV guest receiving NMIs	2013-08-09 10:55:47 -04:00
hypercall.h	xen-pciback: notify hypervisor about devices intended to be assigned to guests	2013-03-22 10:20:55 -04:00
hypervisor.h	xen: Switch to use hypervisor_cpuid_base()	2013-08-05 06:34:09 -07:00
interface_32.h	xen: implement XENMEM_machphys_mapping	2010-11-12 15:00:06 -08:00
interface_64.h	xen: implement XENMEM_machphys_mapping	2010-11-12 15:00:06 -08:00
interface.h	xen: arm: implement remap interfaces needed for privcmd mappings.	2012-11-29 14:00:19 +00:00
page-coherent.h	xen: introduce xen_alloc/free_coherent_pages	2013-10-09 17:18:14 +00:00
page.h	xen/p2m: check MFN is in range before using the m2p table	2013-09-25 09:00:03 -04:00
pci.h	xen/pci: Squash pci_xen_initial_domain and xen_setup_pirqs together.	2011-07-11 13:19:30 -04:00
swiotlb-xen.h	xen/swiotlb: Use the swiotlb_late_init_with_tbl to init Xen-SWIOTLB late when PV PCI is used.	2012-09-17 12:58:16 -04:00
trace_types.h	xen/trace: add multicall tracing	2011-07-18 15:43:26 -07:00