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VARCem/src/devices/scsi/scsi.c
waltje 80ca36536d More changes and cleanups to the cdrom/scsi layers.
Several small fixes to the previous commit (IDE works again ;-)
First attempt at "bringing back" the Host CDROM (formerly "ioctl") module.
2018-10-18 02:21:00 -04:00

198 lines
4.3 KiB
C

/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
*
* This file is part of the VARCem Project.
*
* Handling of the SCSI controllers.
*
* Version: @(#)scsi.c 1.0.13 2018/10/16
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* TheCollector1995, <mariogplayer@gmail.com>
*
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the:
*
* Free Software Foundation, Inc.
* 59 Temple Place - Suite 330
* Boston, MA 02111-1307
* USA.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <wchar.h>
#define HAVE_STDARG_H
#define dbglog scsi_card_log
#include "../../emu.h"
#include "../../device.h"
#include "../../plat.h"
#include "../disk/hdc.h"
#include "../disk/hdd.h"
#include "scsi.h"
#include "scsi_device.h"
#include "../cdrom/cdrom.h"
#include "../disk/zip.h"
#include "scsi_aha154x.h"
#include "scsi_buslogic.h"
#include "scsi_ncr5380.h"
#include "scsi_ncr53c810.h"
#ifdef USE_WD33C93
# include "scsi_wd33c93.h"
#endif
#ifdef ENABLE_SCSI_DEV_LOG
int scsi_card_do_log = ENABLE_SCSI_DEV_LOG;
#endif
static struct {
const char *internal_name;
const device_t *device;
} scsi_cards[] = {
{ "none", NULL },
{ "aha1540b", &aha1540b_device },
{ "aha1542c", &aha1542c_device },
{ "aha1542cf", &aha1542cf_device },
{ "bt542bh", &buslogic_device },
{ "bt545s", &buslogic_545s_device },
{ "lcs6821n", &scsi_lcs6821n_device },
{ "rt1000b", &scsi_rt1000b_device },
{ "t130b", &scsi_t130b_device },
{ "scsiat", &scsi_scsiat_device },
#ifdef USE_WD33C93
{ "wd33c93", &scsi_wd33c93_device },
#endif
{ "aha1640", &aha1640_device },
{ "bt640a", &buslogic_640a_device },
{ "bt958d", &buslogic_pci_device },
{ "ncr53c810", &ncr53c810_pci_device },
{ "bt445s", &buslogic_445s_device },
{ NULL, NULL }
};
const char *
scsi_card_get_internal_name(int card)
{
return(scsi_cards[card].internal_name);
}
int
scsi_card_get_from_internal_name(const char *s)
{
int c = 0;
while (scsi_cards[c].internal_name != NULL) {
if (! strcmp(scsi_cards[c].internal_name, s))
return(c);
c++;
}
/* Not found. */
return(0);
}
const char *
scsi_card_getname(int card)
{
if (scsi_cards[card].device != NULL)
return(scsi_cards[card].device->name);
return(NULL);
}
const device_t *
scsi_card_getdevice(int card)
{
return(scsi_cards[card].device);
}
int
scsi_card_has_config(int card)
{
if (scsi_cards[card].device != NULL)
return(scsi_cards[card].device->config ? 1 : 0);
return(0);
}
void
scsi_card_log(int level, const char *fmt, ...)
{
#ifdef ENABLE_SCSI_DEV_LOG
va_list ap;
if (scsi_card_do_log >= level) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
#endif
}
int
scsi_card_available(int card)
{
if (scsi_cards[card].device)
return(device_available(scsi_cards[card].device));
return(1);
}
void
scsi_card_init(void)
{
int i, j;
/* Reset the devices table, in case we have one. */
for (i = 0; i < SCSI_ID_MAX; i++) {
for (j = 0; j < SCSI_LUN_MAX; j++) {
if (scsi_devices[i][j].cmd_buffer) {
free(scsi_devices[i][j].cmd_buffer);
scsi_devices[i][j].cmd_buffer = NULL;
}
memset(&scsi_devices[i][j], 0x00, sizeof(scsi_device_t));
scsi_devices[i][j].type = SCSI_NONE;
}
}
/* If we have one, initialize the configured SCSI controller. */
if (scsi_cards[scsi_card].device != NULL)
device_add(scsi_cards[scsi_card].device);
}