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authorFaiz Abbas <faiz_abbas@ti.com>2019-10-15 18:24:35 +0530
committerTom Rini <trini@konsulko.com>2019-10-23 20:47:12 -0400
commit8fbac8e23e55a63c218b8d737e629a8d07e9a840 (patch)
tree3371610ff24089a4a71eee6d5b22d78fd4cf63f8 /include/scsi.h
parentd48f00ed11d04eb76d4510b3db1d7f36f758d4e9 (diff)
scsi: Add dma direction member to command structure
Some SCSI devices like UFS use DMA for executing scsi commands and hence need to know the direction of transfer of the dma. Add a dma_dir element to the command structure to facilitate this. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Diffstat (limited to 'include/scsi.h')
-rw-r--r--include/scsi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/scsi.h b/include/scsi.h
index 963abe2b13..61da958bf6 100644
--- a/include/scsi.h
+++ b/include/scsi.h
@@ -6,6 +6,8 @@
#ifndef _SCSI_H
#define _SCSI_H
+#include <linux/dma-direction.h>
+
struct scsi_cmd {
unsigned char cmd[16]; /* command */
/* for request sense */
@@ -26,6 +28,7 @@ struct scsi_cmd {
unsigned long trans_bytes; /* tranfered bytes */
unsigned int priv;
+ enum dma_data_direction dma_dir;
};
/*-----------------------------------------------------------