187 lines
4.3 KiB
C
187 lines
4.3 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Handling of the SCSI controllers.
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*
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* Version: @(#)scsi.c 1.0.21 2018/10/02
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Fred N. van Kempen, <decwiz@yahoo.com>
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* TheCollector1995, <mariogplayer@gmail.com>
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*
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* Copyright 2016-2018 Miran Grca.
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* Copyright 2017,2018 Fred N. van Kempen.
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*/
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <wchar.h>
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#define HAVE_STDARG_H
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#include "../86box.h"
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#include "../device.h"
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#include "../disk/hdc.h"
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#include "../disk/hdd.h"
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#include "../plat.h"
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#include "scsi.h"
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#include "scsi_device.h"
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#include "../cdrom/cdrom.h"
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#include "../disk/zip.h"
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#include "scsi_disk.h"
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#include "scsi_aha154x.h"
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#include "scsi_buslogic.h"
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#include "scsi_ncr5380.h"
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#include "scsi_ncr53c810.h"
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#ifdef WALTJE
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# include "scsi_wd33c93.h"
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#endif
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scsi_device_t SCSIDevices[SCSI_ID_MAX];
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char scsi_fn[SCSI_NUM][512];
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uint16_t scsi_disk_location[SCSI_NUM];
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int scsi_card_current = 0;
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int scsi_card_last = 0;
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uint32_t SCSI_BufferLength;
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typedef const struct {
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const char *name;
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const char *internal_name;
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const device_t *device;
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} SCSI_CARD;
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static SCSI_CARD scsi_cards[] = {
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{ "None", "none", NULL, },
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{ "[ISA] Adaptec AHA-1540B","aha1540b", &aha1540b_device, },
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{ "[ISA] Adaptec AHA-1542C","aha1542c", &aha1542c_device, },
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{ "[ISA] Adaptec AHA-1542CF","aha1542cf", &aha1542cf_device, },
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{ "[ISA] BusLogic BT-542BH","bt542bh", &buslogic_device, },
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{ "[ISA] BusLogic BT-545S", "bt545s", &buslogic_545s_device,},
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{ "[ISA] Longshine LCS-6821N","lcs6821n", &scsi_lcs6821n_device,},
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{ "[ISA] Ranco RT1000B", "rt1000b", &scsi_rt1000b_device, },
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{ "[ISA] Trantor T130B", "t130b", &scsi_t130b_device, },
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{ "[ISA] Sumo SCSI-AT", "scsiat", &scsi_scsiat_device, },
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#ifdef WALTJE
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{ "[ISA] Generic WDC33C93", "wd33c93", &scsi_wd33c93_device, },
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#endif
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{ "[MCA] Adaptec AHA-1640", "aha1640", &aha1640_device, },
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{ "[MCA] BusLogic BT-640A", "bt640a", &buslogic_640a_device,},
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{ "[PCI] BusLogic BT-958D", "bt958d", &buslogic_pci_device, },
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{ "[PCI] NCR 53C810", "ncr53c810", &ncr53c810_pci_device,},
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{ "[VLB] BusLogic BT-445S", "bt445s", &buslogic_445s_device,},
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{ "", "", NULL, },
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};
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#ifdef ENABLE_SCSI_LOG
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int scsi_do_log = ENABLE_SCSI_LOG;
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#endif
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static void
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scsi_log(const char *fmt, ...)
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{
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#ifdef ENABLE_SCSI_LOG
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va_list ap;
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if (scsi_do_log) {
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va_start(ap, fmt);
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pclog_ex(fmt, ap);
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va_end(ap);
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}
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#endif
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}
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int scsi_card_available(int card)
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{
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if (scsi_cards[card].device)
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return(device_available(scsi_cards[card].device));
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return(1);
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}
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char *scsi_card_getname(int card)
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{
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return((char *) scsi_cards[card].name);
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}
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const device_t *scsi_card_getdevice(int card)
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{
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return(scsi_cards[card].device);
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}
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int scsi_card_has_config(int card)
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{
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if (! scsi_cards[card].device) return(0);
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return(scsi_cards[card].device->config ? 1 : 0);
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}
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char *scsi_card_get_internal_name(int card)
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{
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return((char *) scsi_cards[card].internal_name);
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}
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int scsi_card_get_from_internal_name(char *s)
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{
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int c = 0;
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while (strlen((char *) scsi_cards[c].internal_name)) {
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if (!strcmp((char *) scsi_cards[c].internal_name, s))
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return(c);
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c++;
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}
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return(0);
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}
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void scsi_card_init(void)
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{
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int i;
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if (!scsi_cards[scsi_card_current].device)
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return;
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scsi_log("Building SCSI hard disk map...\n");
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build_scsi_disk_map();
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scsi_log("Building SCSI CD-ROM map...\n");
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build_scsi_cdrom_map();
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scsi_log("Building SCSI ZIP map...\n");
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build_scsi_zip_map();
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for (i=0; i<SCSI_ID_MAX; i++) {
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if (scsi_disks[i] != 0xff)
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SCSIDevices[i].LunType = SCSI_DISK;
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else if (scsi_cdrom_drives[i] != 0xff)
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SCSIDevices[i].LunType = SCSI_CDROM;
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else if (scsi_zip_drives[i] != 0xff)
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SCSIDevices[i].LunType = SCSI_ZIP;
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else
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SCSIDevices[i].LunType = SCSI_NONE;
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if (SCSIDevices[i].CmdBuffer)
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free(SCSIDevices[i].CmdBuffer);
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SCSIDevices[i].CmdBuffer = NULL;
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}
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device_add(scsi_cards[scsi_card_current].device);
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scsi_card_last = scsi_card_current;
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}
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