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ioat: move definitions to dma.h

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Some of these defines may be useful outside of dma.c and the header is
private so there are no namespace pollution concerns.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2009-09-08 17:29:02 -07:00
parent 584ec22759
commit 1f27adc2f0
2 changed files with 16 additions and 14 deletions
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16
drivers/dma/ioat/dma.h
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@@ -43,6 +43,22 @@ enum ioat_interrupt {
#define IOAT_DMA_DCA_ANY_CPU ~0
#define IOAT_WATCHDOG_PERIOD (2 * HZ)
#define to_ioat_chan(chan) container_of(chan, struct ioat_dma_chan, common)
#define to_ioatdma_device(dev) container_of(dev, struct ioatdma_device, common)
#define to_ioat_desc(lh) container_of(lh, struct ioat_desc_sw, node)
#define tx_to_ioat_desc(tx) container_of(tx, struct ioat_desc_sw, async_tx)
#define chan_num(ch) ((int)((ch)->reg_base - (ch)->device->reg_base) / 0x80)
#define RESET_DELAY msecs_to_jiffies(100)
#define WATCHDOG_DELAY round_jiffies(msecs_to_jiffies(2000))
/*
* workaround for IOAT ver.3.0 null descriptor issue
* (channel returns error when size is 0)
*/
#define NULL_DESC_BUFFER_SIZE 1
/**
* struct ioatdma_device - internal representation of a IOAT device