#define _SCSI_H
#include <asm/cache.h>
+#include <bouncebuf.h>
#include <linux/dma-direction.h>
-/* Fix this to the maximum */
-#define SCSI_MAX_DEVICE \
- (CONFIG_SYS_SCSI_MAX_SCSI_ID * CONFIG_SYS_SCSI_MAX_LUN)
-
struct udevice;
/**
#define M_X_WIDE_REQ (0x03)
#define M_X_PPR_REQ (0x04)
-
/*
** Status
*/
#define SENSE_VOLUME_OVERFLOW 0xD
#define SENSE_MISCOMPARE 0xE
-
#define SCSI_CHANGE_DEF 0x40 /* Change Definition (Optional) */
#define SCSI_COMPARE 0x39 /* Compare (O) */
#define SCSI_COPY 0x18 /* Copy (O) */
u8 spare2[3];
};
+/** struct scsi_write10_req - data for the write10 command */
+struct __packed scsi_write10_req {
+ u8 cmd;
+ u8 lun_flags;
+ u32 lba;
+ u8 spare;
+ u16 xfer_len;
+ u8 spare2[3];
+};
+
/**
* struct scsi_plat - stores information about SCSI controller
*
* @return 0 if OK, -ve on error
*/
int (*bus_reset)(struct udevice *dev);
+
+#if IS_ENABLED(CONFIG_BOUNCE_BUFFER)
+ /**
+ * buffer_aligned() - test memory alignment of block operation buffer
+ *
+ * Some devices have limited DMA capabilities and require that the
+ * buffers passed to them fit specific properties. This optional
+ * callback can be used to indicate whether a buffer alignment is
+ * suitable for the device DMA or not, and trigger use of generic
+ * bounce buffer implementation to help use of unsuitable buffers
+ * at the expense of performance degradation.
+ *
+ * @dev: Block device associated with the request
+ * @state: Bounce buffer state
+ * @return 1 if OK, 0 if unaligned
+ */
+ int (*buffer_aligned)(struct udevice *dev, struct bounce_buffer *state);
+#endif /* CONFIG_BOUNCE_BUFFER */
};
#define scsi_get_ops(dev) ((struct scsi_ops *)(dev)->driver->ops)
*/
int scsi_scan_dev(struct udevice *dev, bool verbose);
-#ifndef CONFIG_DM_SCSI
-void scsi_low_level_init(int busdevfunc);
-void scsi_init(void);
-#endif
-
#define SCSI_IDENTIFY 0xC0 /* not used */
/* Hardware errors */