patch-1.3.94 linux/drivers/scsi/atari_scsi.h

• Lines: 100
• Date: Sat Apr 13 14:31:03 1996
• Orig file: v1.3.93/linux/drivers/scsi/atari_scsi.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.93/linux/drivers/scsi/atari_scsi.h linux/drivers/scsi/atari_scsi.h
@@ -0,0 +1,99 @@
+/*
+ * atari_scsi.h -- Header file for the Atari native SCSI driver
+ *
+ * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
+ *
+ * (Loosely based on the work of Robert De Vries' team)
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file README.legal in the main directory of this archive
+ * for more details.
+ *
+ */
+
+
+#ifndef ATARI_SCSI_H
+#define ATARI_SCSI_H
+
+/* (I_HAVE_OVERRUNS stuff removed) */
+
+#ifndef ASM
+int atari_scsi_abort (Scsi_Cmnd *);
+int atari_scsi_detect (Scsi_Host_Template *);
+const char *atari_scsi_info (struct Scsi_Host *);
+int atari_scsi_queue_command (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
+int atari_scsi_reset (Scsi_Cmnd *);
+int atari_scsi_proc_info (char *, char **, off_t, int, int, int);
+#ifdef MODULE
+int atari_scsi_release (struct Scsi_Host *);
+#else
+#define atari_scsi_release NULL
+#endif
+
+/* The values for CMD_PER_LUN and CAN_QUEUE are somehow arbitrary. Higher
+ * values should work, too; try it! (but cmd_per_lun costs memory!) */
+
+/* But there seems to be a bug somewhere that requires CAN_QUEUE to be
+ * 2*CMD_OER_LUN. At least on a TT, no suprious timeouts seen since
+ * changed CMD_PER_LUN... */
+
+/* Note: The Falcon currently uses 8/1 setting due to unsolved problems with
+ * cmd_per_lun != 1 */
+
+#define ATARI_TT_CAN_QUEUE		16
+#define ATARI_TT_CMD_PER_LUN		8
+#define ATARI_TT_SG_TABLESIZE		SG_ALL
+
+#define ATARI_FALCON_CAN_QUEUE		8
+#define ATARI_FALCON_CMD_PER_LUN	1
+#define ATARI_FALCON_SG_TABLESIZE	SG_NONE
+
+#define	DEFAULT_USE_TAGGED_QUEUING	0
+
+
+#if defined (HOSTS_C) || defined (MODULE)
+
+#define ATARI_SCSI { NULL, NULL, NULL,				\
+  atari_scsi_proc_info,						\
+  "Atari native SCSI",						\
+  atari_scsi_detect,						\
+  atari_scsi_release,						\
+  atari_scsi_info,						\
+  /* command */ NULL,						\
+  atari_scsi_queue_command,					\
+  atari_scsi_abort,						\
+  atari_scsi_reset,						\
+  /* slave_attach */	NULL,					\
+  /* bios_param */	NULL,					\
+  /* can queue */	0, /* initialized at run-time */	\
+  /* host_id */		0, /* initialized at run-time */	\
+  /* scatter gather */	0, /* initialized at run-time */	\
+  /* cmd per lun */	0, /* initialized at run-time */	\
+  /* present */		0,					\
+  /* unchecked ISA DMA */ 0,					\
+  /* use_clustering */	DISABLE_CLUSTERING }
+
+#endif
+
+#ifndef HOSTS_C
+
+#define	NCR5380_implementation_fields	/* none */
+
+#define NCR5380_read(reg)		  atari_scsi_reg_read( reg )
+#define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value )
+
+#define NCR5380_intr atari_scsi_intr
+#define NCR5380_queue_command atari_scsi_queue_command
+#define NCR5380_abort atari_scsi_abort
+#define NCR5380_proc_info atari_scsi_proc_info
+#define NCR5380_dma_read_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 0)
+#define NCR5380_dma_write_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 1)
+#define NCR5380_dma_residual(inst) atari_scsi_dma_residual( inst )
+#define	NCR5380_dma_xfer_len(i,cmd,phase) \
+	atari_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1)
+
+#endif /* else def HOSTS_C */
+#endif /* ndef ASM */
+#endif /* ATARI_SCSI_H */
+
+