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swiotlb: add the swiotlb initialization function with iotlb memory

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This enables the caller to initialize swiotlb with its own iotlb
memory.

See "swiotlb: swiotlb: add swiotlb_tbl_map_single library function" for
full description of patchset.

[v2: changed ..with_tlb to ..with_tbl]

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Albert Herranz <albert_herranz@yahoo.es>
This commit is contained in:
FUJITA Tomonori
2010-05-10 15:15:12 -04:00
committed by Konrad Rzeszutek Wilk
parent eb605a5754
commit abbceff7d7
2 changed files with 31 additions and 18 deletions
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1
include/linux/swiotlb.h
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@ -23,6 +23,7 @@ extern int swiotlb_force;
#define IO_TLB_SHIFT 11
extern void swiotlb_init(int verbose);
extern void swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
extern void
*swiotlb_alloc_coherent(struct device *hwdev, size_t size,