mirror of
https://github.com/akuker/RASCSI.git
synced 2024-06-15 06:29:29 +00:00
933 lines
28 KiB
C++
933 lines
28 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator RaSCSI (*^..^*)
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// for Raspberry Pi
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//
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// Copyright (C) 2020 akuker
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// Copyright (C) 2014-2020 GIMONS
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// Copyright (C) 2001-2006 ＰＩ．(ytanaka@ipc-tokai.or.jp)
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//
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// Licensed under the BSD 3-Clause License.
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// See LICENSE file in the project root folder.
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//
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// [ Emulation of the DaynaPort SCSI Link Ethernet interface ]
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//
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// This design is derived from the SLINKCMD.TXT file, as well as David Kuder's
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// Tiny SCSI Emulator
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// - SLINKCMD: http://www.bitsavers.org/pdf/apple/scsi/dayna/daynaPORT/SLINKCMD.TXT
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// - Tiny SCSI : https://hackaday.io/project/18974-tiny-scsi-emulator
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//
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// Additional documentation and clarification is available at the
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// following link:
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// - https://github.com/akuker/RASCSI/wiki/Dayna-Port-SCSI-Link
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//
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// This does NOT include the file system functionality that is present
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// in the Sharp X68000 host bridge.
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//
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// Note: This requires a DaynaPort SCSI Link driver.
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//---------------------------------------------------------------------------
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#include "scsi_powerview.h"
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#include <sstream>
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#include <err.h>
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#include <fcntl.h>
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#include <linux/fb.h>
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#include "os.h"
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#include "disk.h"
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#include <sys/mman.h>
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#include "log.h"
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static unsigned char reverse_table[256];
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// const BYTE SCSIPowerView::m_bcast_addr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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// const BYTE SCSIPowerView::m_apple_talk_addr[6] = { 0x09, 0x00, 0x07, 0xff, 0xff, 0xff };
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const BYTE SCSIPowerView::m_inquiry_response[] = {
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0x03, 0x00, 0x01, 0x01, 0x46, 0x00, 0x00, 0x00, 0x52, 0x41, 0x44, 0x49, 0x55, 0x53, 0x20, 0x20,
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0x50, 0x6F, 0x77, 0x65, 0x72, 0x56, 0x69, 0x65, 0x77, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x56, 0x31, 0x2E, 0x30, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x20, 0x00, 0x01, 0x00, 0x00, 0x00,
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0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
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0x05, 0x00, 0x00, 0x00, 0x00, 0x06, 0x43, 0xF9, 0x00, 0x00, 0xFF,
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};
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SCSIPowerView::SCSIPowerView() : Disk("SCPV")
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{
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AddCommand(SCSIDEV::eCmdUnknownPowerViewC8, "Unknown PowerViewC8", &SCSIPowerView::UnknownCommandC9);
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AddCommand(SCSIDEV::eCmdUnknownPowerViewC9, "Unknown PowerViewC9", &SCSIPowerView::UnknownCommandC9);
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AddCommand(SCSIDEV::eCmdUnknownPowerViewCA, "Unknown PowerViewCA", &SCSIPowerView::UnknownCommandC9);
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AddCommand(SCSIDEV::eCmdUnknownPowerViewCB, "Unknown PowerViewCB", &SCSIPowerView::UnknownCommandC9);
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AddCommand(SCSIDEV::eCmdUnknownPowerViewCC, "Unknown PowerViewCC", &SCSIPowerView::UnknownCommandC9);
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struct fb_var_screeninfo fbinfo;
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struct fb_fix_screeninfo fbfixinfo;
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// disk.id = MAKEID('S', 'C', 'V', 'D');
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// create lookup table
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for (int i = 0; i < 256; i++) {
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unsigned char b = i;
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b = (b & 0xF0) >> 4 | (b & 0x0F) << 4;
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b = (b & 0xCC) >> 2 | (b & 0x33) << 2;
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b = (b & 0xAA) >> 1 | (b & 0x55) << 1;
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reverse_table[i] = b;
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}
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// TODO: receive these through a SCSI message sent by the remote
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this->screen_width = 512;
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this->screen_height = 342;
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this->fbfd = open("/dev/fb0", O_RDWR);
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if (this->fbfd == -1)
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err(1, "open /dev/fb0");
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if (ioctl(this->fbfd, FBIOGET_VSCREENINFO, &fbinfo))
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err(1, "ioctl FBIOGET_VSCREENINFO");
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if (ioctl(this->fbfd, FBIOGET_FSCREENINFO, &fbfixinfo))
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err(1, "ioctl FBIOGET_FSCREENINFO");
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// if (fbinfo.bits_per_pixel != 32)
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// errx(1, "TODO: support %d bpp", fbinfo.bits_per_pixel);
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this->fbwidth = fbinfo.xres;
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this->fbheight = fbinfo.yres;
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this->fbbpp = fbinfo.bits_per_pixel;
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this->fblinelen = fbfixinfo.line_length;
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this->fbsize = fbfixinfo.smem_len;
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printf("SCSIVideo drawing on %dx%d %d bpp framebuffer\n",
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this->fbwidth, this->fbheight, this->fbbpp);
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this->fb = (char *)mmap(0, this->fbsize, PROT_READ | PROT_WRITE, MAP_SHARED,
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this->fbfd, 0);
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if ((int)this->fb == -1)
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err(1, "mmap");
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memset(this->fb, 0, this->fbsize);
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}
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SCSIPowerView::~SCSIPowerView()
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{
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// // TAP driver release
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// if (m_tap) {
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// m_tap->Cleanup();
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// delete m_tap;
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// }
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munmap(this->fb, this->fbsize);
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close(this->fbfd);
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for (auto const& command : commands) {
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delete command.second;
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}
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}
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void SCSIPowerView::AddCommand(SCSIDEV::scsi_command opcode, const char* name, void (SCSIPowerView::*execute)(SASIDEV *))
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{
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commands[opcode] = new command_t(name, execute);
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}
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void SCSIPowerView::dump_command(SASIDEV *controller){
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LOGWARN(" %02X %02X %02X %02X %02X %02X %02X %02X [%02X] \n",
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ctrl->cmd[0],
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ctrl->cmd[1],
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ctrl->cmd[2],
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ctrl->cmd[3],
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ctrl->cmd[4],
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ctrl->cmd[5],
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ctrl->cmd[6],
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ctrl->cmd[7],
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ctrl->cmd[8]);
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// for(int i=0; i<8; i++){
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// LOGWARN(" [%d]: %08X\n",i, ctrl->cmd[i]);
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// }
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}
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// //---------------------------------------------------------------------------
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// //
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// // Unknown Command C8
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// //
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// //---------------------------------------------------------------------------
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// void SCSIPowerView::UnknownCommandC8(SASIDEV *controller)
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// {
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// // Set transfer amount
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// ctrl->length = ctrl->cmd[6];
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// LOGWARN("%s Message Length %d", __PRETTY_FUNCTION__, (int)ctrl->length);
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// dump_command(controller);
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// if (ctrl->length <= 0) {
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// // Failure (Error)
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// controller->Error();
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// return;
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// }
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// // Set next block
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// ctrl->blocks = 1;
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// ctrl->next = 1;
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// controller->DataOut();
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// }
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//---------------------------------------------------------------------------
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//
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// Unknown Command C9
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//
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//---------------------------------------------------------------------------
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void SCSIPowerView::UnknownCommandC9(SASIDEV *controller)
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{
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// Set transfer amount
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ctrl->length = ctrl->cmd[6];
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LOGWARN("%s Message Length %d", __PRETTY_FUNCTION__, (int)ctrl->length);
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dump_command(controller);
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LOGWARN("Controller: %08X ctrl: %08X", (DWORD)controller->GetCtrl(), (DWORD)ctrl);
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// if (ctrl->length <= 0) {
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// // Failure (Error)
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// controller->Error();
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// return;
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// }
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if (ctrl->length == 0){
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controller->Status();
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}
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else
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{
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// Set next block
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ctrl->blocks = 1;
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ctrl->next = 1;
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controller->DataOut();
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}
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}
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//---------------------------------------------------------------------------
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//
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// Unknown Command CA
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//
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//---------------------------------------------------------------------------
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void SCSIPowerView::UnknownCommandCA(SASIDEV *controller)
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{
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// Set transfer amount
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ctrl->length = ctrl->cmd[6];
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LOGWARN("%s Message Length %d", __PRETTY_FUNCTION__, (int)ctrl->length);
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dump_command(controller);
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if (ctrl->length <= 0) {
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// Failure (Error)
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controller->Error();
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return;
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}
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// Set next block
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ctrl->blocks = 1;
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ctrl->next = 1;
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controller->DataOut();
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}
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//---------------------------------------------------------------------------
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//
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// Unknown Command CB
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//
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//---------------------------------------------------------------------------
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void SCSIPowerView::UnknownCommandCB(SASIDEV *controller)
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{
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// Set transfer amount
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ctrl->length = ctrl->cmd[6];
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LOGWARN("%s Message Length %d", __PRETTY_FUNCTION__, (int)ctrl->length);
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dump_command(controller);
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if (ctrl->length <= 0) {
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// Failure (Error)
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controller->Error();
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return;
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}
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// Set next block
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ctrl->blocks = 1;
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ctrl->next = 1;
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controller->DataOut();
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}
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//---------------------------------------------------------------------------
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//
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// Unknown Command CC
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//
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//---------------------------------------------------------------------------
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void SCSIPowerView::UnknownCommandCC(SASIDEV *controller)
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{
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// Set transfer amount
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ctrl->length = ctrl->cmd[6];
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LOGWARN("%s Message Length %d", __PRETTY_FUNCTION__, (int)ctrl->length);
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dump_command(controller);
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if (ctrl->length <= 0) {
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// Failure (Error)
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controller->Error();
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return;
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}
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// Set next block
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ctrl->blocks = 1;
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ctrl->next = 1;
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controller->DataOut();
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}
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bool SCSIPowerView::Dispatch(SCSIDEV *controller)
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{
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ctrl = controller->GetCtrl();
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if (commands.count(static_cast<SCSIDEV::scsi_command>(ctrl->cmd[0]))) {
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command_t *command = commands[static_cast<SCSIDEV::scsi_command>(ctrl->cmd[0])];
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LOGDEBUG("%s Executing %s ($%02X)", __PRETTY_FUNCTION__, command->name, (unsigned int)ctrl->cmd[0]);
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(this->*command->execute)(controller);
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return true;
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}
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LOGTRACE("%s Calling base class for dispatching $%02X", __PRETTY_FUNCTION__, (unsigned int)ctrl->cmd[0]);
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// The base class handles the less specific commands
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return Disk::Dispatch(controller);
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}
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bool SCSIPowerView::Init(const map<string, string>& params)
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{
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SetParams(params.empty() ? GetDefaultParams() : params);
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// #ifdef __linux__
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// // TAP Driver Generation
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// m_tap = new CTapDriver(GetParam("interfaces"));
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// m_bTapEnable = m_tap->Init();
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// if(!m_bTapEnable){
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// LOGERROR("Unable to open the TAP interface");
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// // Not terminating on regular Linux PCs is helpful for testing
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// #if !defined(__x86_64__) && !defined(__X86__)
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// return false;
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// #endif
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// } else {
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// LOGDEBUG("Tap interface created");
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// }
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// this->Reset();
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// SetReady(true);
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// SetReset(false);
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// // Generate MAC Address
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// memset(m_mac_addr, 0x00, 6);
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// // if (m_bTapEnable) {
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// // tap->GetMacAddr(m_mac_addr);
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// // m_mac_addr[5]++;
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// // }
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// // !!!!!!!!!!!!!!!!! For now, hard code the MAC address. Its annoying when it keeps changing during development!
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// // TODO: Remove this hard-coded address
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// m_mac_addr[0]=0x00;
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// m_mac_addr[1]=0x80;
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// m_mac_addr[2]=0x19;
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// m_mac_addr[3]=0x10;
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// m_mac_addr[4]=0x98;
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// m_mac_addr[5]=0xE3;
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// #endif // linux
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return true;
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}
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void SCSIPowerView::Open(const Filepath& path)
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{
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// m_tap->OpenDump(path);
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}
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//---------------------------------------------------------------------------
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//
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// INQUIRY
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//
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//---------------------------------------------------------------------------
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int SCSIPowerView::Inquiry(const DWORD *cdb, BYTE *buf)
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{
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int allocation_length = cdb[4] + (((DWORD)cdb[3]) << 8);
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if (allocation_length > 0) {
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if ((unsigned int)allocation_length > sizeof(m_inquiry_response)) {
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allocation_length = (int)sizeof(m_inquiry_response);
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}
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memcpy(buf, m_inquiry_response, allocation_length);
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// // Basic data
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// // buf[0] ... Processor Device
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// // buf[1] ... Not removable
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// // buf[2] ... SCSI-2 compliant command system
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// // buf[3] ... SCSI-2 compliant Inquiry response
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// // buf[4] ... Inquiry additional data
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// // http://www.bitsavers.org/pdf/apple/scsi/dayna/daynaPORT/pocket_scsiLINK/pocketscsilink_inq.png
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// memset(buf, 0, allocation_length);
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// buf[0] = 0x03;
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// buf[2] = 0x01;
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// buf[4] = 0x1F;
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// // Padded vendor, product, revision
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// memcpy(&buf[8], GetPaddedName().c_str(), 28);
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}
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LOGTRACE("response size is %d", allocation_length);
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return allocation_length;
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}
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// //---------------------------------------------------------------------------
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// //
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// // INQUIRY
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// //
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// //---------------------------------------------------------------------------
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// int SCSIHD::Inquiry(const DWORD *cdb, BYTE *buf)
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// {
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// ASSERT(cdb);
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// ASSERT(buf);
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// // EVPD check
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// if (cdb[1] & 0x01) {
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// SetStatusCode(STATUS_INVALIDCDB);
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// return 0;
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// }
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// // Ready check (Error if no image file)
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// if (!IsReady()) {
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// SetStatusCode(STATUS_NOTREADY);
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// return 0;
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// }
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// // Basic data
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// // buf[0] ... Direct Access Device
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// // buf[1] ... Bit 7 set means removable
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// // buf[2] ... SCSI-2 compliant command system
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// // buf[3] ... SCSI-2 compliant Inquiry response
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// // buf[4] ... Inquiry additional data
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// memset(buf, 0, 8);
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// buf[1] = IsRemovable() ? 0x80 : 0x00;
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// buf[2] = 0x02;
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// buf[3] = 0x02;
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// buf[4] = 28 + 3; // Value close to real HDD
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// // Padded vendor, product, revision
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// memcpy(&buf[8], GetPaddedName().c_str(), 28);
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// // Size of data that can be returned
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// int size = (buf[4] + 5);
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// // Limit if the other buffer is small
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// if (size > (int)cdb[4]) {
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// size = (int)cdb[4];
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// }
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// return size;
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// }
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//---------------------------------------------------------------------------
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//
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// READ
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//
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// Command: 08 00 00 LL LL XX (LLLL is data length, XX = c0 or 80)
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// Function: Read a packet at a time from the device (standard SCSI Read)
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// Type: Input; the following data is returned:
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// LL LL NN NN NN NN XX XX XX ... CC CC CC CC
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// where:
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// LLLL is normally the length of the packet (a 2-byte
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// big-endian hex value), including 4 trailing bytes
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// of CRC, but excluding itself and the flag field.
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// See below for special values
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// NNNNNNNN is a 4-byte flag field with the following meanings:
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// FFFFFFFF a packet has been dropped (?); in this case
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// the length field appears to be always 4000
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// 00000010 there are more packets currently available
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// in SCSI/Link memory
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// 00000000 this is the last packet
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// XX XX ... is the actual packet
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// CCCCCCCC is the CRC
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//
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// Notes:
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// - When all packets have been retrieved successfully, a length field
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// of 0000 is returned; however, if a packet has been dropped, the
|
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// SCSI/Link will instead return a non-zero length field with a flag
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// of FFFFFFFF when there are no more packets available. This behaviour
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// seems to continue until a disable/enable sequence has been issued.
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// - The SCSI/Link apparently has about 6KB buffer space for packets.
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//
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//---------------------------------------------------------------------------
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||
int SCSIPowerView::Read(const DWORD *cdb, BYTE *buf, uint64_t block)
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{
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int rx_packet_size = 0;
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return rx_packet_size;
|
||
// scsi_resp_read_t *response = (scsi_resp_read_t*)buf;
|
||
|
||
// ostringstream s;
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||
// s << __PRETTY_FUNCTION__ << " reading DaynaPort block " << block;
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||
// LOGTRACE("%s", s.str().c_str());
|
||
|
||
// int requested_length = cdb[4];
|
||
// LOGTRACE("%s Read maximum length %d, (%04X)", __PRETTY_FUNCTION__, requested_length, requested_length);
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||
|
||
|
||
// // 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;
|
||
// // }
|
||
// buf[0] = (BYTE)((rx_packet_size >> 8) & 0xFF);
|
||
// buf[1] = (BYTE)(rx_packet_size & 0xFF);
|
||
|
||
// 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 rx_packet_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 SCSIPowerView::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 SCSIPowerView::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 SCSIPowerView::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 SCSIPowerView::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 SCSIPowerView::TestUnitReady(SASIDEV *controller)
|
||
// {
|
||
// // TEST UNIT READY Success
|
||
|
||
// controller->Status();
|
||
// }
|
||
|
||
// void SCSIPowerView::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 SCSIPowerView::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 SCSIPowerView::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 SCSIPowerView::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 SCSIPowerView::CMD_SCSILINK_SETMODE:
|
||
// // TODO Not implemented, do nothing
|
||
// controller->Status();
|
||
// break;
|
||
|
||
// case SCSIPowerView::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 SCSIPowerView::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 SCSIPowerView::EnableInterface(SASIDEV *controller)
|
||
// {
|
||
// bool status = EnableInterface(ctrl->cmd);
|
||
// if (!status) {
|
||
// // Failure (Error)
|
||
// controller->Error();
|
||
// return;
|
||
// }
|
||
|
||
// controller->Status();
|
||
// }
|
||
|
||
bool SCSIPowerView::ReceiveBuffer(int len, BYTE *buffer)
|
||
{
|
||
int row = 0;
|
||
int col = 0;
|
||
|
||
for (int i = 0; i < len; i++) {
|
||
unsigned char j = reverse_table[buffer[i]];
|
||
|
||
for (int bit = 0; bit < 8; bit++) {
|
||
int loc = (col * (this->fbbpp / 8)) + (row * this->fblinelen);
|
||
col++;
|
||
if (col % this->screen_width == 0) {
|
||
col = 0;
|
||
row++;
|
||
}
|
||
|
||
*(this->fb + loc) = (j & (1 << bit)) ? 0 : 255;
|
||
*(this->fb + loc + 1) = (j & (1 << bit)) ? 0 : 255;
|
||
*(this->fb + loc + 2) = (j & (1 << bit)) ? 0 : 255;
|
||
}
|
||
}
|
||
|
||
return TRUE;
|
||
} |