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moved to libscsi

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This commit is contained in:
Laurent Vivier 2005-11-17 06:54:13 +00:00
parent 7206af2a75
commit cc45382557
2 changed files with 0 additions and 149 deletions
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140
second/scsi.c
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@ -1,140 +0,0 @@
/*
*
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
*/
#include <stdio.h>
#include <malloc.h>
#include <scsi/scsi.h>
#include <macos/types.h>
#include <macos/errors.h>
#include <macos/scsi.h>
#include "bank.h"
#include "misc.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] = INQUIRY;
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);
}
/******************************************************************************
+=====-========-========-========-========-========-========-========-========+
| Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|Byte | | | | | | | | |
|=====+=======================================================================|
| 0 | Operation code (28h) |
|-----+-----------------------------------------------------------------------|
| 1 | Logical unit number | DPO | FUA | Reserved | RelAdr |
|-----+-----------------------------------------------------------------------|
| 2 | (MSB) |
|-----+--- ---|
| 3 | |
|-----+--- Logical block address ---|
| 4 | |
|-----+--- ---|
| 5 | (LSB) |
|-----+-----------------------------------------------------------------------|
| 6 | Reserved |
|-----+-----------------------------------------------------------------------|
| 7 | (MSB) |
|-----+--- Transfer length |
| 8 | (LSB) |
|-----+-----------------------------------------------------------------------|
| 9 | Control |
+=============================================================================+
******************************************************************************/
int scsi_READ(int target, unsigned long offset, unsigned short nb_blocks,
char *buffer, int buffer_size)
{
char cdb[10];
TIB_t tib[2];
cdb[0] = READ_10;
cdb[1] = 0;
cdb[2] = (offset >> 24) & 0xFF;
cdb[3] = (offset >> 16) & 0xFF;
cdb[4] = (offset >> 8) & 0xFF;
cdb[5] = offset & 0xFF;
cdb[6] = 0;
cdb[7] = (nb_blocks >> 8) & 0xFF;
cdb[8] = nb_blocks & 0xFF;
cdb[9] = 0;
tib[0].opcode = op_no_inc;
tib[0].param1 = (int)buffer;
tib[0].param2 = buffer_size;
tib[1].opcode = op_stop;
tib[1].param1 = 0;
tib[1].param2 = 0;
return scsi_command(target, cdb, 10, tib);
}

9
second/scsi.h
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/*
*
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
*/
extern int scsi_INQUIRY(int target, char* buffer, size_t count);
extern int scsi_READ(int target, unsigned long offset, unsigned short nb_blocks,
char *buffer, int buffer_size);