[U-Boot] [PATCH 20/29] dm: scsi: Add operations
Simon Glass
sjg at chromium.org
Mon Jun 5 19:15:07 UTC 2017
Add operations for SCSI. These are not yet implemented, but we have the
struct.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
include/scsi.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/scsi.h b/include/scsi.h
index cd1b240855..d2fa8a5195 100644
--- a/include/scsi.h
+++ b/include/scsi.h
@@ -171,6 +171,26 @@ struct scsi_platdata {
unsigned long max_id;
};
+/* Operations for SCSI */
+struct scsi_ops {
+ /**
+ * exec() - execute a command
+ *
+ * @dev: SCSI bus
+ * @cmd: Command to execute
+ * @return 0 if OK, -ve on error
+ */
+ int (*exec)(struct udevice *dev, struct scsi_cmd *cmd);
+
+ /**
+ * bus_reset() - reset the bus
+ *
+ * @dev: SCSI bus to reset
+ * @return 0 if OK, -ve on error
+ */
+ int (*bus_reset)(struct udevice *dev);
+};
+
#ifndef CONFIG_DM_SCSI
void scsi_low_level_init(int busdevfunc);
void scsi_init(void);
--
2.13.0.506.g27d5fe0cd-goog
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