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The AHA-154x code is now converted to use the abstraction layer;

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Moved SCSI device array building to scsi_card_init() in scsi.c.
This commit is contained in:
OBattler
2017-08-22 21:28:22 +02:00
parent 644e57c9e3
commit 47ba911525
6 changed files with 132 additions and 253 deletions
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37
src/scsi.c
View File

@@ -8,13 +8,14 @@
*
* Handling of the SCSI controllers.
*
* NOTE: THIS IS CURRENTLY A MESS, but will be cleaned up as I go.
* Version: @(#)scsi.c 1.0.1 2017/08/22
*
* Version: @(#)scsi.c 1.0.0 2017/06/14
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Original Buslogic version by SA1988 and Miran Grca.
* Copyright 2017 Fred N. van Kempen.
* Authors: TheCollector1995, <mariogplayer@gmail.com>
* Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
* Copyright 2008-2017 TheCollector1995.
* Copyright 2016-2017 Miran Grca.
* Copyright 2017-2017 Fred N. van Kempen.
*/
#include <stdlib.h>
#include <string.h>
@@ -108,6 +109,30 @@ int scsi_card_get_from_internal_name(char *s)
void scsi_card_init()
{
int i, j;
pclog("Building SCSI hard disk map...\n");
build_scsi_hd_map();
pclog("Building SCSI CD-ROM map...\n");
build_scsi_cdrom_map();
for (i=0; i<16; i++)
{
for (j=0; j<8; j++)
{
if (scsi_hard_disks[i][j] != 0xff) {
SCSIDevices[i][j].LunType = SCSI_DISK;
}
else if (scsi_cdrom_drives[i][j] != 0xff) {
SCSIDevices[i][j].LunType = SCSI_CDROM;
}
else
{
SCSIDevices[i][j].LunType = SCSI_NONE;
}
}
}
if (scsi_cards[scsi_card_current].device)
device_add(scsi_cards[scsi_card_current].device);

20
src/scsi.h
View File

@@ -1,5 +1,21 @@
/* Copyright holders: SA1988
see COPYING for more details
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* SCSI controller handler header.
*
* Version: @(#)scsi_h 1.0.0 2017/08/22
*
* Authors: TheCollector1995, <mariogplayer@gmail.com>
* Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
* Copyright 2008-2017 TheCollector1995.
* Copyright 2016-2017 Miran Grca.
* Copyright 2017-2017 Fred N. van Kempen.
*/
#ifndef SCSI_H
#define SCSI_H

217
src/scsi_aha154x.c
View File

@@ -12,7 +12,7 @@
*
* NOTE: THIS IS CURRENTLY A MESS, but will be cleaned up as I go.
*
* Version: @(#)scsi_aha154x.c 1.0.9 2017/08/16
* Version: @(#)scsi_aha154x.c 1.0.10 2017/08/22
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Original Buslogic version by SA1988 and Miran Grca.
@@ -35,6 +35,7 @@
#include "device.h"
#include "cdrom.h"
#include "scsi.h"
#include "scsi_device.h"
#include "scsi_disk.h"
#include "scsi_aha154x.h"
@@ -1217,7 +1218,7 @@ aha_0x01:
for (i=0; i<7; i++) {
dev->DataBuf[i] = 0x00;
for (j=0; j<8; j++) {
if (SCSIDevices[i][j].LunType != SCSI_NONE)
if (scsi_device_present(i, j))
dev->DataBuf[i] |= (1<<j);
}
}
@@ -1389,23 +1390,14 @@ ConvertSenseLength(uint8_t RequestSenseLength)
static void
SenseBufferFree(Req_t *req, int Copy, int is_hd)
SenseBufferFree(Req_t *req, int Copy)
{
uint8_t SenseLength = ConvertSenseLength(req->CmdBlock.common.RequestSenseLength);
uint8_t cdrom_id = scsi_cdrom_drives[req->TargetID][req->LUN];
uint8_t hdc_id = scsi_hard_disks[req->TargetID][req->LUN];
uint32_t SenseBufferAddress;
uint8_t temp_sense[256];
if (SenseLength && Copy) {
if (is_hd)
{
scsi_hd_request_sense_for_scsi(hdc_id, temp_sense, SenseLength);
}
else
{
cdrom_request_sense_for_scsi(cdrom_id, temp_sense, SenseLength);
}
scsi_device_request_sense(req->TargetID, req->LUN, temp_sense, SenseLength);
/*
* The sense address, in 32-bit mode, is located in the
@@ -1431,165 +1423,43 @@ SenseBufferFree(Req_t *req, int Copy, int is_hd)
static void
aha_disk_cmd(aha_t *dev)
aha_scsi_cmd(aha_t *dev)
{
Req_t *req = &dev->Req;
uint8_t Id, Lun;
uint8_t hdc_id;
uint8_t hd_phase;
uint8_t temp_cdb[12];
uint32_t i;
int target_cdb_len = 12;
Id = req->TargetID;
Lun = req->LUN;
hdc_id = scsi_hard_disks[Id][Lun];
if (hdc_id == 0xff) fatal("SCSI hard disk on %02i:%02i has disappeared\n", Id, Lun);
target_cdb_len = scsi_device_cdb_length(Id, Lun);
pclog("SCSI HD command being executed on: SCSI ID %i, SCSI LUN %i, HD %i\n",
Id, Lun, hdc_id);
if (!scsi_device_valid(Id, Lun))
fatal("SCSI target on %02i:%02i has disappeared\n", Id, Lun);
pclog("SCSI command being executed on: SCSI ID %i, SCSI LUN %i\n",
Id, Lun);
pclog("SCSI Cdb[0]=0x%02X\n", req->CmdBlock.common.Cdb[0]);
for (i = 1; i<req->CmdBlock.common.CdbLength; i++) {
pclog("SCSI Cdb[%i]=%i\n", i, req->CmdBlock.common.Cdb[i]);
}
memset(temp_cdb, 0x00, 12);
if (req->CmdBlock.common.CdbLength <= 12) {
memset(temp_cdb, 0, target_cdb_len);
if (req->CmdBlock.common.CdbLength <= target_cdb_len) {
memcpy(temp_cdb, req->CmdBlock.common.Cdb,
req->CmdBlock.common.CdbLength);
} else {
memcpy(temp_cdb, req->CmdBlock.common.Cdb, 12);
memcpy(temp_cdb, req->CmdBlock.common.Cdb, target_cdb_len);
}
/*
* Since that field in the HDC struct is never used when
* the bus type is SCSI, let's use it for this scope.
*/
shdc[hdc_id].request_length = temp_cdb[1];
if (req->CmdBlock.common.CdbLength != 12) {
/*
* Make sure the LUN field of the temporary CDB is always 0,
* otherwise Daemon Tools drives will misbehave when a command
* is passed through to them.
*/
temp_cdb[1] &= 0x1f;
}
/* Finally, execute the SCSI command immediately and get the transfer length. */
SCSIPhase = SCSI_PHASE_COMMAND;
scsi_hd_command(hdc_id, temp_cdb);
SCSIStatus = scsi_hd_err_stat_to_scsi(hdc_id);
if (SCSIStatus == SCSI_STATUS_OK) {
hd_phase = scsi_hd_phase_to_scsi(hdc_id);
if (hd_phase == 2) {
/* Command completed - call the phase callback to complete the command. */
scsi_hd_callback(hdc_id);
} else {
/* Command first phase complete - call the callback to execute the second phase. */
scsi_hd_callback(hdc_id);
SCSIStatus = scsi_hd_err_stat_to_scsi(hdc_id);
/* Command second phase complete - call the callback to complete the command. */
scsi_hd_callback(hdc_id);
}
} else {
/* Error (Check Condition) - call the phase callback to complete the command. */
scsi_hd_callback(hdc_id);
}
pclog("SCSI Status: %s, Sense: %02X, ASC: %02X, ASCQ: %02X\n", (SCSIStatus == SCSI_STATUS_OK) ? "OK" : "CHECK CONDITION", shdc[hdc_id].sense[2], shdc[hdc_id].sense[12], shdc[hdc_id].sense[13]);
scsi_device_command(Id, Lun, req->CmdBlock.common.CdbLength, temp_cdb);
aha_buf_free(req);
SenseBufferFree(req, (SCSIStatus != SCSI_STATUS_OK), 1);
pclog("Request complete\n");
if (SCSIStatus == SCSI_STATUS_OK) {
aha_mbi_setup(dev, req->CCBPointer, &req->CmdBlock,
CCB_COMPLETE, SCSI_STATUS_OK, MBI_SUCCESS);
} else if (SCSIStatus == SCSI_STATUS_CHECK_CONDITION) {
aha_mbi_setup(dev, req->CCBPointer, &req->CmdBlock,
CCB_COMPLETE, SCSI_STATUS_CHECK_CONDITION, MBI_ERROR);
}
}
static void
aha_cdrom_cmd(aha_t *dev)
{
Req_t *req = &dev->Req;
uint8_t Id, Lun;
uint8_t cdrom_id;
uint8_t cdrom_phase;
uint8_t temp_cdb[12];
uint32_t i;
Id = req->TargetID;
Lun = req->LUN;
cdrom_id = scsi_cdrom_drives[Id][Lun];
if (cdrom_id == 0xff)
fatal("SCSI CD-ROM on %02i:%02i has disappeared\n", Id, Lun);
pclog("CD-ROM command being executed on: SCSI ID %i, SCSI LUN %i, CD-ROM %i\n",
Id, Lun, cdrom_id);
pclog("SCSI Cdb[0]=0x%02X\n", req->CmdBlock.common.Cdb[0]);
for (i = 1; i<req->CmdBlock.common.CdbLength; i++) {
pclog("SCSI Cdb[%i]=%i\n", i, req->CmdBlock.common.Cdb[i]);
}
memset(temp_cdb, 0, cdrom[cdrom_id].cdb_len);
if (req->CmdBlock.common.CdbLength <= cdrom[cdrom_id].cdb_len) {
memcpy(temp_cdb, req->CmdBlock.common.Cdb,
req->CmdBlock.common.CdbLength);
} else {
memcpy(temp_cdb, req->CmdBlock.common.Cdb, cdrom[cdrom_id].cdb_len);
}
/*
* Since that field in the CDROM struct is never used when
* the bus type is SCSI, let's use it for this scope.
*/
cdrom[cdrom_id].request_length = temp_cdb[1];
if (req->CmdBlock.common.CdbLength != 12) {
/*
* Make sure the LUN field of the temporary CDB is always 0,
* otherwise Daemon Tools drives will misbehave when a command
* is passed through to them.
*/
temp_cdb[1] &= 0x1f;
}
/* Finally, execute the SCSI command immediately and get the transfer length. */
SCSIPhase = SCSI_PHASE_COMMAND;
cdrom_command(cdrom_id, temp_cdb);
SCSIStatus = cdrom_CDROM_PHASE_to_scsi(cdrom_id);
if (SCSIStatus == SCSI_STATUS_OK) {
cdrom_phase = cdrom_atapi_phase_to_scsi(cdrom_id);
if (cdrom_phase == 2) {
/* Command completed - call the phase callback to complete the command. */
cdrom_phase_callback(cdrom_id);
} else {
/* Command first phase complete - call the callback to execute the second phase. */
cdrom_phase_callback(cdrom_id);
SCSIStatus = cdrom_CDROM_PHASE_to_scsi(cdrom_id);
/* Command second phase complete - call the callback to complete the command. */
cdrom_phase_callback(cdrom_id);
}
} else {
/* Error (Check Condition) - call the phase callback to complete the command. */
cdrom_phase_callback(cdrom_id);
}
pclog("SCSI Status: %s, Sense: %02X, ASC: %02X, ASCQ: %02X\n", (SCSIStatus == SCSI_STATUS_OK) ? "OK" : "CHECK CONDITION", cdrom[cdrom_id].sense[2], cdrom[cdrom_id].sense[12], cdrom[cdrom_id].sense[13]);
aha_buf_free(req);
SenseBufferFree(req, (SCSIStatus != SCSI_STATUS_OK), 0);
SenseBufferFree(req, (SCSIStatus != SCSI_STATUS_OK));
pclog("Request complete\n");
@@ -1633,10 +1503,10 @@ aha_req_setup(aha_t *dev, uint32_t CCBPointer, Mailbox32_t *Mailbox32)
aha_buf_alloc(req, req->Is24bit);
if (SCSIDevices[Id][Lun].LunType == SCSI_NONE) {
if (!scsi_device_present(Id, Lun)) {
pclog("SCSI Target ID %i and LUN %i have no device attached\n",Id,Lun);
aha_buf_free(req);
SenseBufferFree(req, 0, 0);
SenseBufferFree(req, 0);
aha_mbi_setup(dev, CCBPointer, &req->CmdBlock,
CCB_SELECTION_TIMEOUT,SCSI_STATUS_OK,MBI_ERROR);
} else {
@@ -1650,8 +1520,7 @@ aha_req_setup(aha_t *dev, uint32_t CCBPointer, Mailbox32_t *Mailbox32)
req->CmdBlock.common.ControlByte);
}
AHA_InOperation = (SCSIDevices[Id][Lun].LunType == SCSI_DISK) ? 0x11 : 1;
pclog("SCSI (%i:%i) -> %i\n", Id, Lun, SCSIDevices[Id][Lun].LunType);
AHA_InOperation = 1;
}
}
@@ -1778,8 +1647,8 @@ aha_cmd_cb(void *priv)
return;
}
} else if (AHA_InOperation == 1) {
pclog("%s: Callback: Process CD-ROM request\n", dev->name);
aha_cdrom_cmd(dev);
pclog("%s: Callback: Process SCSI request\n", dev->name);
aha_scsi_cmd(dev);
aha_mbi(dev);
if (dev->Req.CmdBlock.common.Cdb[0] == 0x42) {
/* This is needed since CD Audio inevitably means READ SUBCHANNEL spam. */
@@ -1789,10 +1658,6 @@ aha_cmd_cb(void *priv)
} else if (AHA_InOperation == 2) {
pclog("%s: Callback: Send incoming mailbox\n", dev->name);
aha_mbi(dev);
} else if (AHA_InOperation == 0x11) {
pclog("%s: Callback: Process DISK request\n", dev->name);
aha_disk_cmd(dev);
aha_mbi(dev);
} else {
fatal("%s: Invalid callback phase: %i\n", dev->name, AHA_InOperation);
}
@@ -2060,7 +1925,6 @@ static void *
aha_init(int type)
{
aha_t *dev;
int i, j;
uint32_t bios_addr = 0x00000000;
int bios = 0;
@@ -2138,22 +2002,6 @@ aha_init(int type)
}
ResetDev = dev;
pclog("Building SCSI hard disk map...\n");
build_scsi_hd_map();
pclog("Building SCSI CD-ROM map...\n");
build_scsi_cdrom_map();
for (i=0; i<16; i++) {
for (j=0; j<8; j++) {
if (scsi_hard_disks[i][j] != 0xff) {
SCSIDevices[i][j].LunType = SCSI_DISK;
} else if (find_cdrom_for_scsi_id(i, j) != 0xff) {
SCSIDevices[i][j].LunType = SCSI_CDROM;
} else {
SCSIDevices[i][j].LunType = SCSI_NONE;
}
}
}
timer_add(aha_reset_poll, &ResetCB, &ResetCB, dev);
timer_add(aha_cmd_cb, &AHA_Callback, &AHA_Callback, dev);
@@ -2200,7 +2048,6 @@ static void *
aha_1640_init(void)
{
aha_t *dev;
int i, j;
dev = malloc(sizeof(aha_t));
memset(dev, 0x00, sizeof(aha_t));
@@ -2213,24 +2060,6 @@ aha_1640_init(void)
ResetDev = dev;
pclog("Building SCSI hard disk map...\n");
build_scsi_hd_map();
pclog("Building SCSI CD-ROM map...\n");
build_scsi_cdrom_map();
for (i=0; i<16; i++) {
for (j=0; j<8; j++) {
if (scsi_hard_disks[i][j] != 0xff) {
SCSIDevices[i][j].LunType = SCSI_DISK;
}
else if (find_cdrom_for_scsi_id(i, j) != 0xff) {
SCSIDevices[i][j].LunType = SCSI_CDROM;
}
else {
SCSIDevices[i][j].LunType = SCSI_NONE;
}
}
}
timer_add(aha_reset_poll, &ResetCB, &ResetCB, dev);
timer_add(aha_cmd_cb, &AHA_Callback, &AHA_Callback, dev);

62
src/scsi_buslogic.c
View File

@@ -10,7 +10,7 @@
* 0 - BT-542B ISA;
* 1 - BT-958 PCI (but BT-542B ISA on non-PCI machines)
*
* Version: @(#)scsi_buslogic.c 1.0.6 2017/08/17
* Version: @(#)scsi_buslogic.c 1.0.7 2017/08/22
*
* Authors: TheCollector1995, <mariogplayer@gmail.com>
* Miran Grca, <mgrca8@gmail.com>
@@ -1163,7 +1163,7 @@ BuslogicSCSIBIOSRequestSetup(Buslogic_t *bl, uint8_t *CmdBuf, uint8_t *DataInBuf
memcpy(temp_cdb, ESCSICmd->CDB, target_cdb_len);
}
scsi_device_command(ESCSICmd->CDBLength, ESCSICmd->TargetId, ESCSICmd->LogicalUnit, temp_cdb);
scsi_device_command(ESCSICmd->TargetId, ESCSICmd->LogicalUnit, ESCSICmd->CDBLength, temp_cdb);
BuslogicSCSIBIOSDataBufferFree(ESCSICmd, ESCSICmd->TargetId, ESCSICmd->LogicalUnit);
/* BuslogicSCSIBIOSSenseBufferFree(ESCSICmd, Id, Lun, (SCSIStatus != SCSI_STATUS_OK), 1); */
@@ -1372,7 +1372,7 @@ uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd)
cdb[7] = (sector_len >> 8) & 0xff;
cdb[8] = sector_len & 0xff;
scsi_device_command(12, BiosCmd->id, BiosCmd->lun, cdb);
scsi_device_command(BiosCmd->id, BiosCmd->lun, 12, cdb);
if (sector_len > 0)
{
@@ -1413,7 +1413,7 @@ uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd)
cdb[7] = (sector_len >> 8) & 0xff;
cdb[8] = sector_len & 0xff;
scsi_device_command(12, BiosCmd->id, BiosCmd->lun, cdb);
scsi_device_command(BiosCmd->id, BiosCmd->lun, 12, cdb);
if (SCSIDevices[BiosCmd->id][BiosCmd->lun].CmdBuffer != NULL)
{
@@ -1437,7 +1437,7 @@ uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd)
cdb[7] = (sector_len >> 8) & 0xff;
cdb[8] = sector_len & 0xff;
scsi_device_command(12, BiosCmd->id, BiosCmd->lun, cdb);
scsi_device_command(BiosCmd->id, BiosCmd->lun, 12, cdb);
return BuslogicCompletionCode(scsi_device_sense(BiosCmd->id, BiosCmd->lun));
@@ -1459,7 +1459,7 @@ uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd)
cdb[0] = GPCMD_FORMAT_UNIT;
cdb[1] = (BiosCmd->lun & 7) << 5;
scsi_device_command(12, BiosCmd->id, BiosCmd->lun, cdb);
scsi_device_command(BiosCmd->id, BiosCmd->lun, 12, cdb);
return BuslogicCompletionCode(scsi_device_sense(BiosCmd->id, BiosCmd->lun));
@@ -1505,7 +1505,7 @@ uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd)
cdb[4] = (lba >> 8) & 0xff;
cdb[5] = lba & 0xff;
scsi_device_command(12, BiosCmd->id, BiosCmd->lun, cdb);
scsi_device_command(BiosCmd->id, BiosCmd->lun, 12, cdb);
return (SCSIStatus == SCSI_STATUS_OK) ? 1 : 0;
@@ -1522,7 +1522,7 @@ uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd)
cdb[0] = GPCMD_TEST_UNIT_READY;
cdb[1] = (BiosCmd->lun & 7) << 5;
scsi_device_command(12, BiosCmd->id, BiosCmd->lun, cdb);
scsi_device_command(BiosCmd->id, BiosCmd->lun, 12, cdb);
return BuslogicCompletionCode(scsi_device_sense(BiosCmd->id, BiosCmd->lun));
@@ -1534,7 +1534,7 @@ uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd)
cdb[0] = GPCMD_REZERO_UNIT;
cdb[1] = (BiosCmd->lun & 7) << 5;
scsi_device_command(12, BiosCmd->id, BiosCmd->lun, cdb);
scsi_device_command(BiosCmd->id, BiosCmd->lun, 12, cdb);
return BuslogicCompletionCode(scsi_device_sense(BiosCmd->id, BiosCmd->lun));
@@ -2278,23 +2278,14 @@ BuslogicWriteL(uint16_t Port, uint32_t Val, void *p)
static void
BuslogicSenseBufferFree(Req_t *req, int Copy, int is_hd)
BuslogicSenseBufferFree(Req_t *req, int Copy)
{
uint8_t SenseLength = BuslogicConvertSenseLength(req->CmdBlock.common.RequestSenseLength);
uint8_t cdrom_id = scsi_cdrom_drives[req->TargetID][req->LUN];
uint8_t hdc_id = scsi_hard_disks[req->TargetID][req->LUN];
uint32_t SenseBufferAddress;
uint8_t temp_sense[256];
if (SenseLength && Copy) {
if (is_hd)
{
scsi_hd_request_sense_for_scsi(hdc_id, temp_sense, SenseLength);
}
else
{
cdrom_request_sense_for_scsi(cdrom_id, temp_sense, SenseLength);
}
scsi_device_request_sense(req->TargetID, req->LUN, temp_sense, SenseLength);
/*
* The sense address, in 32-bit mode, is located in the
@@ -2350,11 +2341,11 @@ BuslogicSCSICommand(Buslogic_t *bl)
memcpy(temp_cdb, req->CmdBlock.common.Cdb, target_cdb_len);
}
scsi_device_command(req->CmdBlock.common.CdbLength, Id, Lun, temp_cdb);
scsi_device_command(Id, Lun, req->CmdBlock.common.CdbLength, temp_cdb);
BuslogicDataBufferFree(req);
BuslogicSenseBufferFree(req, (SCSIStatus != SCSI_STATUS_OK), 0);
BuslogicSenseBufferFree(req, (SCSIStatus != SCSI_STATUS_OK));
pclog("Request complete\n");
@@ -2400,7 +2391,7 @@ BuslogicSCSIRequestSetup(Buslogic_t *bl, uint32_t CCBPointer, Mailbox32_t *Mailb
if (!scsi_device_present(Id, Lun)) {
pclog("SCSI Target ID %i and LUN %i have no device attached\n",Id,Lun);
BuslogicDataBufferFree(req);
BuslogicSenseBufferFree(req, 0, 0);
BuslogicSenseBufferFree(req, 0);
BuslogicMailboxInSetup(bl, CCBPointer, &req->CmdBlock,
CCB_SELECTION_TIMEOUT,SCSI_STATUS_OK,MBI_ERROR);
} else {
@@ -2838,9 +2829,6 @@ BuslogicInit(int chip)
{
Buslogic_t *bl;
int i = 0;
int j = 0;
bl = malloc(sizeof(Buslogic_t));
memset(bl, 0x00, sizeof(Buslogic_t));
@@ -2894,28 +2882,6 @@ BuslogicInit(int chip)
bl->bios_mask = 0;
}
pclog("Building SCSI hard disk map...\n");
build_scsi_hd_map();
pclog("Building SCSI CD-ROM map...\n");
build_scsi_cdrom_map();
for (i=0; i<16; i++)
{
for (j=0; j<8; j++)
{
if (scsi_hard_disks[i][j] != 0xff) {
SCSIDevices[i][j].LunType = SCSI_DISK;
}
else if (find_cdrom_for_scsi_id(i, j) != 0xff) {
SCSIDevices[i][j].LunType = SCSI_CDROM;
}
else
{
SCSIDevices[i][j].LunType = SCSI_NONE;
}
}
}
timer_add(BuslogicResetPoll,
&BuslogicResetCallback, &BuslogicResetCallback, bl);
timer_add(BuslogicCommandCallback,

42
src/scsi_device.c
View File

@@ -1,3 +1,20 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* The generic SCSI device command handler.
*
* Version: @(#)scsi_device.c 1.0.0 2017/08/22
*
* Authors: Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
* Copyright 2016-2017 Miran Grca.
* Copyright 2017-2017 Fred N. van Kempen.
*/
#include "ibm.h"
#include "scsi.h"
#include "scsi_disk.h"
@@ -119,6 +136,29 @@ uint8_t *scsi_device_sense(uint8_t scsi_id, uint8_t scsi_lun)
}
void scsi_device_request_sense(uint8_t scsi_id, uint8_t scsi_lun, uint8_t *buffer, uint8_t alloc_length)
{
uint8_t lun_type = SCSIDevices[scsi_id][scsi_lun].LunType;
uint8_t id = 0;
switch (lun_type)
{
case SCSI_DISK:
id = scsi_hard_disks[scsi_id][scsi_lun];
scsi_hd_request_sense_for_scsi(id, buffer, alloc_length);
break;
case SCSI_CDROM:
id = scsi_cdrom_drives[scsi_id][scsi_lun];
cdrom_request_sense_for_scsi(id, buffer, alloc_length);
break;
default:
memcpy(buffer, scsi_null_device_sense, alloc_length);
break;
}
}
void scsi_device_type_data(uint8_t scsi_id, uint8_t scsi_lun, uint8_t *type, uint8_t *rmb)
{
uint8_t lun_type = SCSIDevices[scsi_id][scsi_lun].LunType;
@@ -231,7 +271,7 @@ int scsi_device_block_shift(uint8_t scsi_id, uint8_t scsi_lun)
}
void scsi_device_command(int cdb_len, uint8_t scsi_id, uint8_t scsi_lun, uint8_t *cdb)
void scsi_device_command(uint8_t scsi_id, uint8_t scsi_lun, int cdb_len, uint8_t *cdb)
{
uint8_t phase = 0;
uint8_t lun_type = SCSIDevices[scsi_id][scsi_lun].LunType;

7
src/scsi_device.h
View File

@@ -8,7 +8,7 @@
*
* Definitions for the generic SCSI device command handler.
*
* Version: @(#)scsi_devic3.h 1.0.1 2017/08/21
* Version: @(#)scsi_device.h 1.0.2 2017/08/22
*
* Authors: Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
@@ -20,6 +20,9 @@
extern uint8_t *scsi_device_sense(uint8_t id, uint8_t lun);
extern void scsi_device_type_data(uint8_t id, uint8_t lun,
uint8_t *type, uint8_t *rmb);
extern void scsi_device_request_sense(uint8_t scsi_id, uint8_t scsi_lun,
uint8_t *buffer,
uint8_t alloc_length);
extern int scsi_device_read_capacity(uint8_t id, uint8_t lun,
uint8_t *cdb, uint8_t *buffer,
uint32_t *len);
@@ -27,7 +30,7 @@ extern int scsi_device_present(uint8_t id, uint8_t lun);
extern int scsi_device_valid(uint8_t id, uint8_t lun);
extern int scsi_device_cdb_length(uint8_t id, uint8_t lun);
extern int scsi_device_block_shift(uint8_t id, uint8_t lun);
extern void scsi_device_command(int cdb_len, uint8_t id, uint8_t lun,
extern void scsi_device_command(uint8_t id, uint8_t lun, int cdb_len,
uint8_t *cdb);