mirror of https://github.com/akuker/RASCSI.git
586 lines
18 KiB
C++
586 lines
18 KiB
C++
//---------------------------------------------------------------------------
|
||
//
|
||
// SCSI Target Emulator RaSCSI (*^..^*)
|
||
// for Raspberry Pi
|
||
//
|
||
// Copyright (C) 2020 akuker
|
||
// Copyright (C) 2014-2020 GIMONS
|
||
// Copyright (C) 2001-2006 PI.(ytanaka@ipc-tokai.or.jp)
|
||
//
|
||
// Licensed under the BSD 3-Clause License.
|
||
// See LICENSE file in the project root folder.
|
||
//
|
||
// [ Emulation of the DaynaPort SCSI Link Ethernet interface ]
|
||
//
|
||
// This design is derived from the SLINKCMD.TXT file, as well as David Kuder's
|
||
// Tiny SCSI Emulator
|
||
// - SLINKCMD: http://www.bitsavers.org/pdf/apple/scsi/dayna/daynaPORT/SLINKCMD.TXT
|
||
// - Tiny SCSI : https://hackaday.io/project/18974-tiny-scsi-emulator
|
||
//
|
||
// Additional documentation and clarification is available at the
|
||
// following link:
|
||
// - https://github.com/akuker/RASCSI/wiki/Dayna-Port-SCSI-Link
|
||
//
|
||
// This does NOT include the file system functionality that is present
|
||
// in the Sharp X68000 host bridge.
|
||
//
|
||
// Note: This requires a DaynaPort SCSI Link driver.
|
||
//---------------------------------------------------------------------------
|
||
|
||
#include "scsi_daynaport.h"
|
||
|
||
using namespace scsi_defs;
|
||
|
||
const BYTE SCSIDaynaPort::m_bcast_addr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
|
||
const BYTE SCSIDaynaPort::m_apple_talk_addr[6] = { 0x09, 0x00, 0x07, 0xff, 0xff, 0xff };
|
||
|
||
// TODO Disk should not be the superclass
|
||
SCSIDaynaPort::SCSIDaynaPort() : Disk("SCDP")
|
||
{
|
||
m_tap = NULL;
|
||
m_bTapEnable = false;
|
||
|
||
dispatcher.AddCommand(eCmdTestUnitReady, "TestUnitReady", &SCSIDaynaPort::TestUnitReady);
|
||
dispatcher.AddCommand(eCmdRead6, "Read6", &SCSIDaynaPort::Read6);
|
||
dispatcher.AddCommand(eCmdWrite6, "Write6", &SCSIDaynaPort::Write6);
|
||
dispatcher.AddCommand(eCmdRetrieveStats, "RetrieveStats", &SCSIDaynaPort::RetrieveStatistics);
|
||
dispatcher.AddCommand(eCmdSetIfaceMode, "SetIfaceMode", &SCSIDaynaPort::SetInterfaceMode);
|
||
dispatcher.AddCommand(eCmdSetMcastAddr, "SetMcastAddr", &SCSIDaynaPort::SetMcastAddr);
|
||
dispatcher.AddCommand(eCmdEnableInterface, "EnableInterface", &SCSIDaynaPort::EnableInterface);
|
||
}
|
||
|
||
SCSIDaynaPort::~SCSIDaynaPort()
|
||
{
|
||
// TAP driver release
|
||
if (m_tap) {
|
||
m_tap->Cleanup();
|
||
delete m_tap;
|
||
}
|
||
}
|
||
|
||
bool SCSIDaynaPort::Dispatch(SCSIDEV *controller)
|
||
{
|
||
// The superclass class handles the less specific commands
|
||
return dispatcher.Dispatch(this, controller) ? true : super::Dispatch(controller);
|
||
}
|
||
|
||
bool SCSIDaynaPort::Init(const map<string, string>& params)
|
||
{
|
||
SetParams(params);
|
||
|
||
#ifdef __linux__
|
||
// TAP Driver Generation
|
||
m_tap = new CTapDriver();
|
||
m_bTapEnable = m_tap->Init(GetParams());
|
||
if(!m_bTapEnable){
|
||
LOGERROR("Unable to open the TAP interface");
|
||
|
||
// Not terminating on regular Linux PCs is helpful for testing
|
||
#if !defined(__x86_64__) && !defined(__X86__)
|
||
return false;
|
||
#endif
|
||
} else {
|
||
LOGDEBUG("Tap interface created");
|
||
}
|
||
|
||
this->Reset();
|
||
SetReady(true);
|
||
SetReset(false);
|
||
|
||
// Generate MAC Address
|
||
memset(m_mac_addr, 0x00, 6);
|
||
|
||
// if (m_bTapEnable) {
|
||
// tap->GetMacAddr(m_mac_addr);
|
||
// m_mac_addr[5]++;
|
||
// }
|
||
// !!!!!!!!!!!!!!!!! For now, hard code the MAC address. Its annoying when it keeps changing during development!
|
||
// TODO: Remove this hard-coded address
|
||
m_mac_addr[0]=0x00;
|
||
m_mac_addr[1]=0x80;
|
||
m_mac_addr[2]=0x19;
|
||
m_mac_addr[3]=0x10;
|
||
m_mac_addr[4]=0x98;
|
||
m_mac_addr[5]=0xE3;
|
||
#endif // linux
|
||
|
||
return true;
|
||
}
|
||
|
||
void SCSIDaynaPort::Open(const Filepath& path)
|
||
{
|
||
m_tap->OpenDump(path);
|
||
}
|
||
|
||
int SCSIDaynaPort::Inquiry(const DWORD *cdb, BYTE *buf)
|
||
{
|
||
// Processor device, SCSI-2, not removable
|
||
return PrimaryDevice::Inquiry(3, 2, false, cdb, buf);
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
//
|
||
// READ
|
||
//
|
||
// Command: 08 00 00 LL LL XX (LLLL is data length, XX = c0 or 80)
|
||
// Function: Read a packet at a time from the device (standard SCSI Read)
|
||
// Type: Input; the following data is returned:
|
||
// LL LL NN NN NN NN XX XX XX ... CC CC CC CC
|
||
// where:
|
||
// LLLL is normally the length of the packet (a 2-byte
|
||
// big-endian hex value), including 4 trailing bytes
|
||
// of CRC, but excluding itself and the flag field.
|
||
// See below for special values
|
||
// NNNNNNNN is a 4-byte flag field with the following meanings:
|
||
// FFFFFFFF a packet has been dropped (?); in this case
|
||
// the length field appears to be always 4000
|
||
// 00000010 there are more packets currently available
|
||
// in SCSI/Link memory
|
||
// 00000000 this is the last packet
|
||
// XX XX ... is the actual packet
|
||
// CCCCCCCC is the CRC
|
||
//
|
||
// Notes:
|
||
// - When all packets have been retrieved successfully, a length field
|
||
// of 0000 is returned; however, if a packet has been dropped, the
|
||
// SCSI/Link will instead return a non-zero length field with a flag
|
||
// of FFFFFFFF when there are no more packets available. This behaviour
|
||
// seems to continue until a disable/enable sequence has been issued.
|
||
// - The SCSI/Link apparently has about 6KB buffer space for packets.
|
||
//
|
||
//---------------------------------------------------------------------------
|
||
int SCSIDaynaPort::Read(const DWORD *cdb, BYTE *buf, uint64_t block)
|
||
{
|
||
int rx_packet_size = 0;
|
||
scsi_resp_read_t *response = (scsi_resp_read_t*)buf;
|
||
|
||
int requested_length = cdb[4];
|
||
LOGTRACE("%s Read maximum length %d, (%04X)", __PRETTY_FUNCTION__, requested_length, requested_length);
|
||
|
||
|
||
// At host startup, it will send a READ(6) command with a length of 1. We should
|
||
// respond by going into the status mode with a code of 0x02
|
||
if (requested_length == 1) {
|
||
return 0;
|
||
}
|
||
|
||
// Some of the packets we receive will not be for us. So, we'll keep pulling messages
|
||
// until the buffer is empty, or we've read X times. (X is just a made up number)
|
||
bool send_message_to_host;
|
||
int read_count = 0;
|
||
while (read_count < MAX_READ_RETRIES) {
|
||
read_count++;
|
||
|
||
// The first 2 bytes are reserved for the length of the packet
|
||
// The next 4 bytes are reserved for a flag field
|
||
//rx_packet_size = m_tap->Rx(response->data);
|
||
rx_packet_size = m_tap->Rx(&buf[DAYNAPORT_READ_HEADER_SZ]);
|
||
|
||
// If we didn't receive anything, return size of 0
|
||
if (rx_packet_size <= 0) {
|
||
LOGTRACE("%s No packet received", __PRETTY_FUNCTION__);
|
||
response->length = 0;
|
||
response->flags = e_no_more_data;
|
||
return DAYNAPORT_READ_HEADER_SZ;
|
||
}
|
||
|
||
LOGTRACE("%s Packet Sz %d (%08X) read: %d", __PRETTY_FUNCTION__, (unsigned int) rx_packet_size, (unsigned int) rx_packet_size, read_count);
|
||
|
||
// This is a very basic filter to prevent unnecessary packets from
|
||
// being sent to the SCSI initiator.
|
||
send_message_to_host = false;
|
||
|
||
// The following doesn't seem to work with unicast messages. Temporarily removing the filtering
|
||
// functionality.
|
||
/////// // Check if received packet destination MAC address matches the
|
||
/////// // DaynaPort MAC. For IP packets, the mac_address will be the first 6 bytes
|
||
/////// // of the data.
|
||
/////// if (memcmp(response->data, m_mac_addr, 6) == 0) {
|
||
/////// send_message_to_host = true;
|
||
/////// }
|
||
|
||
/////// // Check to see if this is a broadcast message
|
||
/////// if (memcmp(response->data, m_bcast_addr, 6) == 0) {
|
||
/////// send_message_to_host = true;
|
||
/////// }
|
||
|
||
/////// // Check to see if this is an AppleTalk Message
|
||
/////// if (memcmp(response->data, m_apple_talk_addr, 6) == 0) {
|
||
/////// send_message_to_host = true;
|
||
/////// }
|
||
send_message_to_host = true;
|
||
|
||
// TODO: We should check to see if this message is in the multicast
|
||
// configuration from SCSI command 0x0D
|
||
|
||
if (!send_message_to_host) {
|
||
LOGDEBUG("%s Received a packet that's not for me: %02X %02X %02X %02X %02X %02X", \
|
||
__PRETTY_FUNCTION__,
|
||
(int)response->data[0],
|
||
(int)response->data[1],
|
||
(int)response->data[2],
|
||
(int)response->data[3],
|
||
(int)response->data[4],
|
||
(int)response->data[5]);
|
||
|
||
// If there are pending packets to be processed, we'll tell the host that the read
|
||
// length was 0.
|
||
if (!m_tap->PendingPackets())
|
||
{
|
||
response->length = 0;
|
||
response->flags = e_no_more_data;
|
||
return DAYNAPORT_READ_HEADER_SZ;
|
||
}
|
||
}
|
||
else {
|
||
// TODO: Need to do some sort of size checking. The buffer can easily overflow, probably.
|
||
|
||
// response->length = rx_packet_size;
|
||
// if(m_tap->PendingPackets()){
|
||
// response->flags = e_more_data_available;
|
||
// } else {
|
||
// response->flags = e_no_more_data;
|
||
// }
|
||
int size = rx_packet_size;
|
||
if (size < 64) {
|
||
// A frame must have at least 64 bytes (see https://github.com/akuker/RASCSI/issues/619)
|
||
// Note that this work-around breaks the checksum. As currently there are no known drivers
|
||
// that care for the checksum, and the Daynaport driver for the Atari expects frames of
|
||
// 64 bytes it was decided to accept the broken checksum. If a driver should pop up that
|
||
// breaks because of this, the work-around has to be re-evaluated.
|
||
size = 64;
|
||
}
|
||
buf[0] = size >> 8;
|
||
buf[1] = size;
|
||
|
||
buf[2] = 0;
|
||
buf[3] = 0;
|
||
buf[4] = 0;
|
||
if(m_tap->PendingPackets()){
|
||
buf[5] = 0x10;
|
||
} else {
|
||
buf[5] = 0;
|
||
}
|
||
|
||
// Return the packet size + 2 for the length + 4 for the flag field
|
||
// The CRC was already appended by the ctapdriver
|
||
return size + DAYNAPORT_READ_HEADER_SZ;
|
||
}
|
||
// If we got to this point, there are still messages in the queue, so
|
||
// we should loop back and get the next one.
|
||
} // end while
|
||
|
||
response->length = 0;
|
||
response->flags = e_no_more_data;
|
||
return DAYNAPORT_READ_HEADER_SZ;
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
//
|
||
// WRITE check
|
||
//
|
||
//---------------------------------------------------------------------------
|
||
int SCSIDaynaPort::WriteCheck(DWORD block)
|
||
{
|
||
// Status check
|
||
if (!CheckReady()) {
|
||
return 0;
|
||
}
|
||
|
||
if (!m_bTapEnable){
|
||
SetStatusCode(STATUS_NOTREADY);
|
||
return 0;
|
||
}
|
||
|
||
// Success
|
||
return 1;
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
//
|
||
// Write
|
||
//
|
||
// Command: 0a 00 00 LL LL XX (LLLL is data length, XX = 80 or 00)
|
||
// Function: Write a packet at a time to the device (standard SCSI Write)
|
||
// Type: Output; the format of the data to be sent depends on the value
|
||
// of XX, as follows:
|
||
// - if XX = 00, LLLL is the packet length, and the data to be sent
|
||
// must be an image of the data packet
|
||
// - if XX = 80, LLLL is the packet length + 8, and the data to be
|
||
// sent is:
|
||
// PP PP 00 00 XX XX XX ... 00 00 00 00
|
||
// where:
|
||
// PPPP is the actual (2-byte big-endian) packet length
|
||
// XX XX ... is the actual packet
|
||
//
|
||
//---------------------------------------------------------------------------
|
||
bool SCSIDaynaPort::Write(const DWORD *cdb, const BYTE *buf, DWORD block)
|
||
{
|
||
BYTE data_format = cdb[5];
|
||
WORD data_length = (WORD)cdb[4] + ((WORD)cdb[3] << 8);
|
||
|
||
if (data_format == 0x00){
|
||
m_tap->Tx(buf, data_length);
|
||
LOGTRACE("%s Transmitted %u bytes (00 format)", __PRETTY_FUNCTION__, data_length);
|
||
return true;
|
||
}
|
||
else if (data_format == 0x80){
|
||
// The data length is specified in the first 2 bytes of the payload
|
||
data_length=(WORD)buf[1] + ((WORD)buf[0] << 8);
|
||
m_tap->Tx(&buf[4], data_length);
|
||
LOGTRACE("%s Transmitted %u bytes (80 format)", __PRETTY_FUNCTION__, data_length);
|
||
return true;
|
||
}
|
||
else
|
||
{
|
||
// LOGWARN("%s Unknown data format %02X", __PRETTY_FUNCTION__, (unsigned int)command->format);
|
||
LOGWARN("%s Unknown data format %02X", __PRETTY_FUNCTION__, (unsigned int)data_format);
|
||
return true;
|
||
}
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
//
|
||
// RetrieveStats
|
||
//
|
||
// Command: 09 00 00 00 12 00
|
||
// Function: Retrieve MAC address and device statistics
|
||
// Type: Input; returns 18 (decimal) bytes of data as follows:
|
||
// - bytes 0-5: the current hardware ethernet (MAC) address
|
||
// - bytes 6-17: three long word (4-byte) counters (little-endian).
|
||
// Notes: The contents of the three longs are typically zero, and their
|
||
// usage is unclear; they are suspected to be:
|
||
// - long #1: frame alignment errors
|
||
// - long #2: CRC errors
|
||
// - long #3: frames lost
|
||
//
|
||
//---------------------------------------------------------------------------
|
||
int SCSIDaynaPort::RetrieveStats(const DWORD *cdb, BYTE *buffer)
|
||
{
|
||
int allocation_length = cdb[4] + (((DWORD)cdb[3]) << 8);
|
||
|
||
// memset(buffer,0,18);
|
||
// memcpy(&buffer[0],m_mac_addr,sizeof(m_mac_addr));
|
||
// uint32_t frame_alignment_errors;
|
||
// uint32_t crc_errors;
|
||
// uint32_t frames_lost;
|
||
// // frame alignment errors
|
||
// frame_alignment_errors = htonl(0);
|
||
// memcpy(&(buffer[6]),&frame_alignment_errors,sizeof(frame_alignment_errors));
|
||
// // CRC errors
|
||
// crc_errors = htonl(0);
|
||
// memcpy(&(buffer[10]),&crc_errors,sizeof(crc_errors));
|
||
// // frames lost
|
||
// frames_lost = htonl(0);
|
||
// memcpy(&(buffer[14]),&frames_lost,sizeof(frames_lost));
|
||
|
||
int response_size = sizeof(m_scsi_link_stats);
|
||
memcpy(buffer, &m_scsi_link_stats, sizeof(m_scsi_link_stats));
|
||
|
||
if (response_size > allocation_length) {
|
||
response_size = allocation_length;
|
||
}
|
||
|
||
// Success
|
||
return response_size;
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
//
|
||
// Enable or Disable the interface
|
||
//
|
||
// Command: 0e 00 00 00 00 XX (XX = 80 or 00)
|
||
// Function: Enable (80) / disable (00) Ethernet interface
|
||
// Type: No data transferred
|
||
// Notes: After issuing an Enable, the initiator should avoid sending
|
||
// any subsequent commands to the device for approximately 0.5
|
||
// seconds
|
||
//
|
||
//---------------------------------------------------------------------------
|
||
bool SCSIDaynaPort::EnableInterface(const DWORD *cdb)
|
||
{
|
||
bool result;
|
||
if (cdb[5] & 0x80) {
|
||
result = m_tap->Enable();
|
||
if (result) {
|
||
LOGINFO("The DaynaPort interface has been ENABLED.");
|
||
}
|
||
else{
|
||
LOGWARN("Unable to enable the DaynaPort Interface");
|
||
}
|
||
m_tap->Flush();
|
||
}
|
||
else {
|
||
result = m_tap->Disable();
|
||
if (result) {
|
||
LOGINFO("The DaynaPort interface has been DISABLED.");
|
||
}
|
||
else{
|
||
LOGWARN("Unable to disable the DaynaPort Interface");
|
||
}
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
void SCSIDaynaPort::TestUnitReady(SASIDEV *controller)
|
||
{
|
||
// TEST UNIT READY Success
|
||
|
||
controller->Status();
|
||
}
|
||
|
||
void SCSIDaynaPort::Read6(SASIDEV *controller)
|
||
{
|
||
// Get record number and block number
|
||
uint32_t record = ctrl->cmd[1] & 0x1f;
|
||
record <<= 8;
|
||
record |= ctrl->cmd[2];
|
||
record <<= 8;
|
||
record |= ctrl->cmd[3];
|
||
ctrl->blocks=1;
|
||
|
||
// If any commands have a bogus control value, they were probably not
|
||
// generated by the DaynaPort driver so ignore them
|
||
if (ctrl->cmd[5] != 0xc0 && ctrl->cmd[5] != 0x80) {
|
||
LOGTRACE("%s Control value %d, (%04X), returning invalid CDB", __PRETTY_FUNCTION__, ctrl->cmd[5], ctrl->cmd[5]);
|
||
controller->Error(ERROR_CODES::sense_key::ILLEGAL_REQUEST, ERROR_CODES::asc::INVALID_FIELD_IN_CDB);
|
||
return;
|
||
}
|
||
|
||
LOGTRACE("%s READ(6) command record=%d blocks=%d", __PRETTY_FUNCTION__, (unsigned int)record, (int)ctrl->blocks);
|
||
|
||
ctrl->length = Read(ctrl->cmd, ctrl->buffer, record);
|
||
LOGTRACE("%s ctrl.length is %d", __PRETTY_FUNCTION__, (int)ctrl->length);
|
||
|
||
// Set next block
|
||
ctrl->next = record + 1;
|
||
|
||
controller->DataIn();
|
||
}
|
||
|
||
void SCSIDaynaPort::Write6(SASIDEV *controller)
|
||
{
|
||
// Reallocate buffer (because it is not transfer for each block)
|
||
if (ctrl->bufsize < DAYNAPORT_BUFFER_SIZE) {
|
||
free(ctrl->buffer);
|
||
ctrl->bufsize = DAYNAPORT_BUFFER_SIZE;
|
||
ctrl->buffer = (BYTE *)malloc(ctrl->bufsize);
|
||
}
|
||
|
||
DWORD data_format = ctrl->cmd[5];
|
||
|
||
if(data_format == 0x00) {
|
||
ctrl->length = (WORD)ctrl->cmd[4] + ((WORD)ctrl->cmd[3] << 8);
|
||
}
|
||
else if (data_format == 0x80) {
|
||
ctrl->length = (WORD)ctrl->cmd[4] + ((WORD)ctrl->cmd[3] << 8) + 8;
|
||
}
|
||
else {
|
||
LOGWARN("%s Unknown data format %02X", __PRETTY_FUNCTION__, (unsigned int)data_format);
|
||
}
|
||
LOGTRACE("%s length: %04X (%d) format: %02X", __PRETTY_FUNCTION__, (unsigned int)ctrl->length, (int)ctrl->length, (unsigned int)data_format);
|
||
|
||
if (ctrl->length <= 0) {
|
||
// Failure (Error)
|
||
controller->Error();
|
||
return;
|
||
}
|
||
|
||
// Set next block
|
||
ctrl->blocks = 1;
|
||
ctrl->next = 1;
|
||
|
||
controller->DataOut();
|
||
}
|
||
|
||
void SCSIDaynaPort::RetrieveStatistics(SASIDEV *controller)
|
||
{
|
||
ctrl->length = RetrieveStats(ctrl->cmd, ctrl->buffer);
|
||
if (ctrl->length <= 0) {
|
||
// Failure (Error)
|
||
controller->Error();
|
||
return;
|
||
}
|
||
|
||
// Set next block
|
||
ctrl->blocks = 1;
|
||
ctrl->next = 1;
|
||
|
||
controller->DataIn();
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
//
|
||
// Set interface mode/Set MAC address
|
||
//
|
||
// Set Interface Mode (0c)
|
||
// -----------------------
|
||
// Command: 0c 00 00 00 FF 80 (FF = 08 or 04)
|
||
// Function: Allow interface to receive broadcast messages (FF = 04); the
|
||
// function of (FF = 08) is currently unknown.
|
||
// Type: No data transferred
|
||
// Notes: This command is accepted by firmware 1.4a & 2.0f, but has no
|
||
// effect on 2.0f, which is always capable of receiving broadcast
|
||
// messages. In 1.4a, once broadcast mode is set, it remains set
|
||
// until the interface is disabled.
|
||
//
|
||
// Set MAC Address (0c)
|
||
// --------------------
|
||
// Command: 0c 00 00 00 FF 40 (FF = 08 or 04)
|
||
// Function: Set MAC address
|
||
// Type: Output; overrides built-in MAC address with user-specified
|
||
// 6-byte value
|
||
// Notes: This command is intended primarily for debugging/test purposes.
|
||
// Disabling the interface resets the MAC address to the built-in
|
||
// value.
|
||
//
|
||
//---------------------------------------------------------------------------
|
||
void SCSIDaynaPort::SetInterfaceMode(SASIDEV *controller)
|
||
{
|
||
// Check whether this command is telling us to "Set Interface Mode" or "Set MAC Address"
|
||
|
||
ctrl->length = RetrieveStats(ctrl->cmd, ctrl->buffer);
|
||
switch(ctrl->cmd[5]){
|
||
case SCSIDaynaPort::CMD_SCSILINK_SETMODE:
|
||
// TODO Not implemented, do nothing
|
||
controller->Status();
|
||
break;
|
||
|
||
case SCSIDaynaPort::CMD_SCSILINK_SETMAC:
|
||
ctrl->length = 6;
|
||
controller->DataOut();
|
||
break;
|
||
|
||
default:
|
||
LOGWARN("%s Unknown SetInterface command received: %02X", __PRETTY_FUNCTION__, (unsigned int)ctrl->cmd[5]);
|
||
break;
|
||
}
|
||
}
|
||
|
||
void SCSIDaynaPort::SetMcastAddr(SASIDEV *controller)
|
||
{
|
||
ctrl->length = (DWORD)ctrl->cmd[4];
|
||
if (ctrl->length == 0) {
|
||
LOGWARN("%s Not supported SetMcastAddr Command %02X", __PRETTY_FUNCTION__, (WORD)ctrl->cmd[2]);
|
||
|
||
// Failure (Error)
|
||
controller->Error();
|
||
return;
|
||
}
|
||
|
||
controller->DataOut();
|
||
}
|
||
|
||
void SCSIDaynaPort::EnableInterface(SASIDEV *controller)
|
||
{
|
||
bool status = EnableInterface(ctrl->cmd);
|
||
if (!status) {
|
||
// Failure (Error)
|
||
controller->Error();
|
||
return;
|
||
}
|
||
|
||
controller->Status();
|
||
}
|