提交 46856afa 编写于 作者: J Jens Axboe

x86-64: enable sg chaining

Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
上级 9ee1bea4
...@@ -6,8 +6,7 @@ ...@@ -6,8 +6,7 @@
* documentation. * documentation.
*/ */
#include <linux/scatterlist.h>
#include <asm/scatterlist.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/swiotlb.h> #include <asm/swiotlb.h>
......
...@@ -11,6 +11,8 @@ struct scatterlist { ...@@ -11,6 +11,8 @@ struct scatterlist {
unsigned int dma_length; unsigned int dma_length;
}; };
#define ARCH_HAS_SG_CHAIN
#define ISA_DMA_THRESHOLD (0x00ffffff) #define ISA_DMA_THRESHOLD (0x00ffffff)
/* These macros should be used after a pci_map_sg call has been done /* These macros should be used after a pci_map_sg call has been done
......
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