Add SCSI management

second/scsi.c

@@ -0,0 +1,91 @@
+/*
+ *
+ * (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
+ *
+ */
+
+#include <stdio.h>
+#include <malloc.h>
+#include "bank.h"
+#include "misc.h"
+#include "glue.h"
+
+#define COMPLETION_TIMEOUT	300
+
+static int scsi_command(int target, char* cdb, int count, TIB_t* tib)
+{
+	int err;
+	short stat;
+	short message;
+
+	err = SCSIGet();
+	if (err != noErr) 
+	{
+		printf("Cannot get SCSI bus (%d)\n", err);
+		return err;
+	}
+
+	err = SCSISelect(target);
+	if (err != noErr) 
+	{
+		printf("Cannot select target %d (%d)\n", target, err);
+		return err;
+	}
+
+	err = SCSICmd(cdb, count);
+	if (err != noErr) 
+	{
+		printf("Cannot send command (%d)\n", err);
+		goto complete;
+	}
+
+	err = SCSIRead(tib);
+	if (err != noErr) 
+	{
+		printf("Cannot read data (%d)\n", err);
+		goto complete;
+	}
+
+complete:
+	err = SCSIComplete(&stat, &message, COMPLETION_TIMEOUT);
+	if (err != noErr) 
+	{
+		printf("Cannot complete transaction %d %d(%d)\n", 
+							stat, message, err);
+		return err;
+	}
+
+	return noErr;
+}
+
+int scsi_INQUIRY(int target, char *buffer, size_t count)
+{
+	char	cdb[6];
+	TIB_t	tib[2];
+
+	cdb[0] = 0x12;
+	cdb[1] = 0;
+	cdb[2] = 0;
+	cdb[3] = 0;
+	cdb[4] = count;
+	cdb[5] = 0;
+
+	tib[0].opcode = op_no_inc;
+	tib[0].param1 = (int)buffer;
+	tib[0].param2 = count;
+	tib[1].opcode = op_stop;
+	tib[1].param1 = 0;
+	tib[1].param2 = 0;
+
+	return scsi_command(target, cdb, 6, tib);
+}
+
+#if 0
+	char cdb[6] = {
+		0x08,	/* READ */
+		(offset >> 16) & 0x1F,
+		(offset >> 8) & 0xFF,
+		offset & 0xFF,
+		(size + 511) / 512,	/* FIXME: blocksize and max is 255 */
+		0 };
+#endif

second/scsi.h

@@ -0,0 +1,7 @@
+/*
+ *
+ * (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
+ *
+ */
+                                                                                
+extern int scsi_INQUIRY(int target, char* buffer, size_t count);