Add protocol data transfer tests.
Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
---
include/linux/ata.h | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 61535e7..2318531 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -323,6 +323,27 @@ enum ata_tf_protocols {
ATA_PROT_ATAPI_DMA, /* packet command with special DMA sauce */
};
+static inline int ata_is_nodata(u8 prot)
+{
+ return prot == ATA_PROT_NODATA || prot == ATA_PROT_ATAPI_NODATA;
+}
+
+static inline int ata_is_pio_data(u8 prot)
+{
+ return prot == ATA_PROT_PIO || prot == ATA_PROT_ATAPI;
+}
+
+static inline int ata_is_dma_data(u8 prot)
+{
+ return prot == ATA_PROT_DMA || prot == ATA_PROT_NCQ ||
+ prot == ATA_PROT_ATAPI_DMA;
+}
+
+static inline int ata_is_data(u8 prot)
+{
+ return ata_is_pio_data(prot) || ata_is_dma_data(prot);
+}
+
enum ata_ioctls {
ATA_IOC_GET_IO32 = 0x309,
ATA_IOC_SET_IO32 = 0x324,
--
1.5.2.4
-
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