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dm: scsi: Add operations

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Add operations for SCSI. These are not yet implemented, but we have the
struct.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2017-06-14 21:28:39 -06:00
parent 4279efc4c9
commit 322f73f473
1 changed files with 20 additions and 0 deletions
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20
include/scsi.h
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@ -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);