diff options
| author | Hiroshi DOYU <hdoyu@nvidia.com> | 2011-12-23 14:10:33 +0200 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-01-12 09:14:10 -0800 |
| commit | 609eb320c69b130eb7bbd4b0398ea6ce6c85bbfc (patch) | |
| tree | 16a2b029d3f76db87a8d427d64eba4700e49fc19 /include | |
| parent | 1638b56014450dce1c04895ecf9da7305294760d (diff) | |
gpu: ion: Add IOMMU heap allocator with IOMMU API
Implemented IOMMU heap allocator("ion_iommu_heap_ops") with IOMMU
API. This implementation is independenf of SoC because the standard
IOMMU API is used in the backend implementation of this heap_ops.
[Krishna Reddy: Refactored the original version heavily, especially
making "allocation" and "mapping" features independent with "struct
page" based mapping functions.]
Change-Id: Ia692d9a0dc00424fa3e95a830f557808351b1ad7
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/72217
Reviewed-by: Automatic_Commit_Validation_User
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ion.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ion.h b/include/linux/ion.h index aed8349279ed..9a322437a976 100644 --- a/include/linux/ion.h +++ b/include/linux/ion.h @@ -33,6 +33,7 @@ enum ion_heap_type { ION_HEAP_TYPE_SYSTEM, ION_HEAP_TYPE_SYSTEM_CONTIG, ION_HEAP_TYPE_CARVEOUT, + ION_HEAP_TYPE_IOMMU, ION_HEAP_TYPE_CUSTOM, /* must be last so device specific heaps always are at the end of this enum */ ION_NUM_HEAPS, @@ -63,6 +64,7 @@ struct ion_buffer; * @name: used for debug purposes * @base: base address of heap in physical memory if applicable * @size: size of the heap in bytes if applicable + * @priv: heap specific data * * Provided by the board file. */ @@ -72,6 +74,7 @@ struct ion_platform_heap { const char *name; ion_phys_addr_t base; size_t size; + void *priv; }; /** |