mirror of https://github.com/GOSTSec/sgminer
Con Kolivas
13 years ago
13 changed files with 975 additions and 7 deletions
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All the bitstream files included in this directory that follow the name pattern ztex_*.bit are: |
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---- |
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Copyright (C) 2009-2011 ZTEX GmbH. |
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http://www.ztex.de |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License version 3 as |
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published by the Free Software Foundation. |
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, see http://www.gnu.org/licenses/. |
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---- |
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You can find the original sources at the BTCMiner project home page: http://www.ztex.de/btcminer/ |
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/**
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* libztex.c - Ztex 1.15x fpga board support library |
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* |
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* Copyright (c) 2012 nelisky.btc@gmail.com |
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* |
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* This work is based upon the Java SDK provided by ztex which is |
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* Copyright (C) 2009-2011 ZTEX GmbH. |
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* http://www.ztex.de
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, see http://www.gnu.org/licenses/.
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**/ |
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#include <stdio.h> |
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#include <unistd.h> |
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#include "miner.h" |
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#include "libztex.h" |
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#define BUFSIZE 256 |
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//* Capability index for EEPROM support.
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#define CAPABILITY_EEPROM 0,0 |
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//* Capability index for FPGA configuration support.
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#define CAPABILITY_FPGA 0,1 |
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//* Capability index for FLASH memory support.
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#define CAPABILITY_FLASH 0,2 |
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//* Capability index for DEBUG helper support.
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#define CAPABILITY_DEBUG 0,3 |
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//* Capability index for AVR XMEGA support.
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#define CAPABILITY_XMEGA 0,4 |
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//* Capability index for AVR XMEGA support.
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#define CAPABILITY_HS_FPGA 0,5 |
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//* Capability index for AVR XMEGA support.
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#define CAPABILITY_MAC_EEPROM 0,6 |
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static bool libztex_checkDevice (struct libusb_device *dev) { |
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int err; |
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struct libusb_device_descriptor desc; |
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err = libusb_get_device_descriptor(dev, &desc); |
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if (unlikely(err != 0)) { |
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applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err); |
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return false; |
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} |
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if (!(desc.idVendor == LIBZTEX_IDVENDOR && desc.idProduct == LIBZTEX_IDPRODUCT)) { |
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applog(LOG_DEBUG, "Not a ZTEX device %0.4x:%0.4x", desc.idVendor, desc.idProduct); |
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return false; |
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} |
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return true; |
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} |
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static bool libztex_checkCapability (struct libztex_device *ztex, int i, int j) { |
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if (!((i>=0) && (i<=5) && (j>=0) && (j<8) && |
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(((ztex->interfaceCapabilities[i] & 255) & (1 << j)) != 0))) |
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applog(LOG_ERR, "%s: capability missing: %d %d", ztex->repr, i, i); |
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return true; |
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} |
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static int libztex_detectBitstreamBitOrder (const unsigned char *buf, int size) { |
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int i; |
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size -= 4; |
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for (i=0; i<size; i++) { |
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if ( ((buf[i] & 255)==0xaa) && ((buf[i+1] & 255)==0x99) && ((buf[i+2] & 255)==0x55) && ((buf[i+3] & 255)==0x66) ) |
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return 1; |
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if ( ((buf[i] & 255)==0x55) && ((buf[i+1] & 255)==0x99) && ((buf[i+2] & 255)==0xaa) && ((buf[i+3] & 255)==0x66) ) |
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return 0; |
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} |
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applog(LOG_WARNING, "Unable to determine bitstream bit order: no signature found"); |
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return 0; |
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} |
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static void libztex_swapBits (unsigned char *buf, int size) { |
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int i; |
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unsigned char c; |
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for (i=0; i<size; i++) { |
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c = buf[i]; |
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buf[i] = ((c & 128) >> 7) | |
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((c & 64) >> 5) | |
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((c & 32) >> 3) | |
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((c & 16) >> 1) | |
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((c & 8) << 1) | |
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((c & 4) << 3) | |
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((c & 2) << 5) | |
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((c & 1) << 7); |
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} |
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} |
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static int libztex_getFpgaState (struct libztex_device *ztex, struct libztex_fpgastate *state) { |
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int cnt; |
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unsigned char buf[9]; |
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if (!libztex_checkCapability(ztex, CAPABILITY_FPGA)) |
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return -1; |
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cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x30, 0, 0, buf, 9, 1000); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "%s: Failed getFpgaState with err %d", ztex->repr, cnt); |
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return cnt; |
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} |
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state->fpgaConfigured = (buf[0] == 0); |
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state->fpgaChecksum = buf[1] & 0xff; |
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state->fpgaBytes = ((buf[5] & 0xff)<<24) | ((buf[4] & 0xff)<<16) | ((buf[3] & 0xff)<<8) | (buf[2] & 0xff); |
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state->fpgaInitB = buf[6] & 0xff; |
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state->fpgaFlashResult = buf[7]; |
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state->fpgaFlashBitSwap = (buf[8] != 0); |
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return 0; |
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} |
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static int libztex_configureFpgaLS (struct libztex_device *ztex, const char* firmware, bool force, char bs) { |
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struct libztex_fpgastate state; |
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ssize_t pos=0; |
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int transactionBytes = 2048; |
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unsigned char buf[transactionBytes], cs; |
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int tries, cnt, buf_p, i; |
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FILE *fp; |
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if (!libztex_checkCapability(ztex, CAPABILITY_FPGA)) |
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return -1; |
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libztex_getFpgaState(ztex, &state); |
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if (!force && state.fpgaConfigured) { |
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applog(LOG_DEBUG, "Bitstream already configured"); |
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return 1; |
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} |
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for (tries=10; tries>0; tries--) { |
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fp = fopen(firmware, "rb"); |
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if (!fp) { |
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applog(LOG_ERR, "%s: failed to read firmware '%s'", ztex->repr, firmware); |
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return -2; |
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} |
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cs = 0; |
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while (pos < transactionBytes && !feof(fp)) { |
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buf[pos] = getc(fp); |
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cs += buf[pos++]; |
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}; |
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if (feof(fp)) |
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pos--; |
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if ( bs != 0 && bs != 1 ) |
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bs = libztex_detectBitstreamBitOrder(buf, transactionBytes<pos ? transactionBytes : pos); |
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//* Reset fpga
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cnt = libztex_resetFpga(ztex); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "%s: Failed reset fpga with err %d", ztex->repr, cnt); |
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continue; |
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} |
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if ( bs == 1 ) |
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libztex_swapBits(buf, pos); |
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buf_p = pos; |
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while (1) { |
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i = 0; |
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while (i < buf_p) { |
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cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x32, 0, 0, &buf[i], buf_p-i, 5000); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "%s: Failed send fpga data with err %d", ztex->repr, cnt); |
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break; |
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} |
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i += cnt; |
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} |
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if (i < buf_p || buf_p < transactionBytes) |
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break; |
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buf_p = 0; |
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while (buf_p < transactionBytes && !feof(fp)) { |
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buf[buf_p] = getc(fp); |
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cs += buf[buf_p++]; |
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}; |
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if (feof(fp)) |
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buf_p--; |
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pos += buf_p; |
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if (buf_p == 0) |
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break; |
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if ( bs == 1 ) |
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libztex_swapBits(buf, buf_p); |
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} |
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if (cnt >= 0) |
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tries = 0; |
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fclose(fp); |
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} |
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libztex_getFpgaState(ztex, &state); |
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if (!state.fpgaConfigured) { |
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applog(LOG_ERR, "%s: FPGA configuration failed: DONE pin does not go high", ztex->repr); |
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return 3; |
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} |
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usleep(200000); |
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applog(LOG_INFO, "%s: FPGA configuration done", ztex->repr); |
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return 0; |
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} |
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int libztex_configureFpga (struct libztex_device *ztex) { |
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int rv; |
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char buf[256] = "bitstreams/"; |
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memset(&buf[11], 0, 245); |
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strcpy(&buf[11], ztex->bitFileName); |
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strcpy(&buf[strlen(buf)], ".bit"); |
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rv = libztex_configureFpgaLS(ztex, buf, true, 2); |
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return rv; |
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} |
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int libztex_setFreq (struct libztex_device *ztex, uint16_t freq) { |
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int cnt; |
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if (freq > ztex->freqMaxM) |
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freq = ztex->freqMaxM; |
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cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x83, freq, 0, NULL, 0, 500); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "Ztex check device: Failed to set frequency with err %d", cnt); |
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return cnt; |
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} |
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ztex->freqM = freq; |
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applog(LOG_WARNING, "%s: Frequency change to %0.2f Mhz", ztex->repr, ztex->freqM1 * (ztex->freqM + 1)); |
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return 0; |
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} |
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int libztex_resetFpga (struct libztex_device *ztex) { |
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return libusb_control_transfer(ztex->hndl, 0x40, 0x31, 0, 0, NULL, 0, 1000); |
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} |
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int libztex_prepare_device (struct libusb_device *dev, struct libztex_device** ztex) { |
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struct libztex_device *newdev; |
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int cnt, err; |
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unsigned char buf[64]; |
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newdev = malloc(sizeof(struct libztex_device)); |
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newdev->valid = false; |
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newdev->hndl = NULL; |
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newdev->bitFileName = NULL; |
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*ztex = newdev; |
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err = libusb_get_device_descriptor(dev, &newdev->descriptor); |
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if (unlikely(err != 0)) { |
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applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err); |
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return err; |
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} |
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// Check vendorId and productId
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if (!(newdev->descriptor.idVendor == LIBZTEX_IDVENDOR && |
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newdev->descriptor.idProduct == LIBZTEX_IDPRODUCT)) { |
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applog(LOG_ERR, "Not a ztex device? %0.4X, %0.4X", newdev->descriptor.idVendor, newdev->descriptor.idProduct); |
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return 1; |
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} |
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err = libusb_open(dev, &newdev->hndl); |
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if (unlikely(err != 0)) { |
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applog(LOG_ERR, "Ztex check device: Failed to open handle with error %d", err); |
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return err; |
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} |
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cnt = libusb_get_string_descriptor_ascii (newdev->hndl, newdev->descriptor.iSerialNumber, newdev->snString, |
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LIBZTEX_SNSTRING_LEN+1); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "Ztex check device: Failed to read device snString with err %d", cnt); |
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return cnt; |
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} |
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cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x22, 0, 0, buf, 40, 500); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt); |
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return cnt; |
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} |
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if ( buf[0]!=40 || buf[1]!=1 || buf[2]!='Z' || buf[3]!='T' || buf[4]!='E' || buf[5]!='X' ) { |
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applog(LOG_ERR, "Ztex check device: Error reading ztex descriptor"); |
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return 2; |
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} |
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newdev->productId[0] = buf[6]; |
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newdev->productId[1] = buf[7]; |
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newdev->productId[2] = buf[8]; |
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newdev->productId[3] = buf[9]; |
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newdev->fwVersion = buf[10]; |
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newdev->interfaceVersion = buf[11]; |
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newdev->interfaceCapabilities[0] = buf[12]; |
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newdev->interfaceCapabilities[1] = buf[13]; |
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newdev->interfaceCapabilities[2] = buf[14]; |
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newdev->interfaceCapabilities[3] = buf[15]; |
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newdev->interfaceCapabilities[4] = buf[16]; |
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newdev->interfaceCapabilities[5] = buf[17]; |
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newdev->moduleReserved[0] = buf[18]; |
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newdev->moduleReserved[1] = buf[19]; |
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newdev->moduleReserved[2] = buf[20]; |
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newdev->moduleReserved[3] = buf[21]; |
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newdev->moduleReserved[4] = buf[22]; |
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newdev->moduleReserved[5] = buf[23]; |
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newdev->moduleReserved[6] = buf[24]; |
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newdev->moduleReserved[7] = buf[25]; |
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newdev->moduleReserved[8] = buf[26]; |
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newdev->moduleReserved[9] = buf[27]; |
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newdev->moduleReserved[10] = buf[28]; |
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newdev->moduleReserved[11] = buf[29]; |
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cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x82, 0, 0, buf, 64, 500); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt); |
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return cnt; |
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} |
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if (unlikely(buf[0] != 4)) { |
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if (unlikely(buf[0] != 2)) { |
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applog(LOG_ERR, "Invalid BTCMiner descriptor version. Firmware must be updated (%d).", buf[0]); |
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return 3; |
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} |
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applog(LOG_WARNING, "Firmware out of date"); |
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} |
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newdev->numNonces = buf[1] + 1; |
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newdev->offsNonces = ((buf[2] & 255) | ((buf[3] & 255) << 8)) - 10000; |
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newdev->freqM1 = ( (buf[4] & 255) | ((buf[5] & 255) << 8) ) * 0.01; |
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newdev->freqMaxM = (buf[7] & 255); |
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newdev->freqM = (buf[6] & 255); |
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newdev->freqMDefault = newdev->freqM; |
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for (cnt=0; cnt<255; cnt++) { |
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newdev->errorCount[cnt] = 0; |
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newdev->errorWeight[cnt] = 0; |
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newdev->errorRate[cnt] = 0; |
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newdev->maxErrorRate[cnt] = 0; |
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} |
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cnt = strlen((char *)&buf[buf[0]==4?10:8]); |
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newdev->bitFileName = malloc(sizeof(char)*(cnt+1)); |
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memcpy(newdev->bitFileName, &buf[buf[0]==4?10:8], cnt+1); |
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newdev->usbbus = libusb_get_bus_number(dev); |
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newdev->usbaddress = libusb_get_device_address(dev); |
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sprintf(newdev->repr, "ZTEX %.3d:%.3d-%s", newdev->usbbus, newdev->usbaddress, newdev->snString); |
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newdev->valid = true; |
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return 0; |
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} |
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void libztex_destroy_device (struct libztex_device* ztex) { |
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if (ztex->hndl != NULL) { |
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libusb_close(ztex->hndl); |
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ztex->hndl = NULL; |
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} |
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if (ztex->bitFileName != NULL) { |
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free(ztex->bitFileName); |
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ztex->bitFileName = NULL; |
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} |
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free(ztex); |
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} |
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int libztex_scanDevices (struct libztex_dev_list*** devs_p) { |
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libusb_device **list; |
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struct libztex_device *ztex; |
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ssize_t cnt = libusb_get_device_list(NULL, &list); |
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ssize_t i = 0; |
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int found = 0, pos = 0, err; |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "Ztex scan devices: Failed to list usb devices with err %d", cnt); |
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return 0; |
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} |
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int usbdevices[LIBZTEX_MAX_DESCRIPTORS]; |
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for (i = 0; i < cnt; i++) { |
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if (libztex_checkDevice(list[i])) { |
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// Got one!
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usbdevices[found] = i; |
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found++; |
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} |
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} |
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struct libztex_dev_list **devs; |
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devs = malloc(sizeof(struct libztex_dev_list *) * found); |
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if (devs == NULL) { |
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applog(LOG_ERR, "Ztex scan devices: Failed to allocate memory"); |
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return 0; |
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} |
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for (i = 0; i < found; i++) { |
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err = libztex_prepare_device(list[usbdevices[i]], &ztex); |
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if (unlikely(err != 0)) |
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applog(LOG_ERR, "prepare device: %d", err); |
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// check if valid
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if (!ztex->valid) { |
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libztex_destroy_device(ztex); |
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continue; |
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} |
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devs[pos] = malloc(sizeof(struct libztex_dev_list)); |
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devs[pos]->dev = ztex; |
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devs[pos]->next = NULL; |
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if (pos > 0) |
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devs[pos-1]->next = devs[pos]; |
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pos++; |
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} |
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libusb_free_device_list(list, 1); |
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*devs_p = devs; |
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return pos; |
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} |
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int libztex_sendHashData (struct libztex_device *ztex, unsigned char *sendbuf) { |
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int cnt; |
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if (ztex == NULL || ztex->hndl == NULL) |
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return 0; |
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cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x80, 0, 0, sendbuf, 44, 1000); |
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if (unlikely(cnt < 0)) |
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applog(LOG_ERR, "%s: Failed sendHashData with err %d", ztex->repr, cnt); |
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return cnt; |
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} |
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int libztex_readHashData (struct libztex_device *ztex, struct libztex_hash_data nonces[]) { |
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// length of buf must be 8 * (numNonces + 1)
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unsigned char rbuf[12*8]; |
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int cnt, i; |
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|
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if (ztex->hndl == NULL) |
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return 0; |
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cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x81, 0, 0, rbuf, 12*ztex->numNonces, 1000); |
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if (unlikely(cnt < 0)) { |
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applog(LOG_ERR, "%s: Failed readHashData with err %d", ztex->repr, cnt); |
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return cnt; |
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} |
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|
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for (i=0; i<ztex->numNonces; i++) { |
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memcpy((char*)&nonces[i].goldenNonce, &rbuf[i*12], 4); |
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nonces[i].goldenNonce -= ztex->offsNonces; |
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memcpy((char*)&nonces[i].nonce, &rbuf[(i*12)+4], 4); |
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nonces[i].nonce -= ztex->offsNonces; |
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memcpy((char*)&nonces[i].hash7, &rbuf[(i*12)+8], 4); |
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} |
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return cnt; |
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} |
||||
|
||||
void libztex_freeDevList (struct libztex_dev_list **devs) { |
||||
ssize_t cnt = 0; |
||||
bool done = false; |
||||
while (!done) { |
||||
if (devs[cnt]->next == NULL) |
||||
done = true; |
||||
free(devs[cnt++]); |
||||
} |
||||
free(devs); |
||||
} |
||||
|
||||
|
||||
@ -0,0 +1,95 @@
@@ -0,0 +1,95 @@
|
||||
/**
|
||||
* libztex.h - headers for Ztex 1.15x fpga board support library |
||||
* |
||||
* Copyright (c) 2012 nelisky.btc@gmail.com |
||||
* |
||||
* This work is based upon the Java SDK provided by ztex which is |
||||
* Copyright (C) 2009-2011 ZTEX GmbH. |
||||
* http://www.ztex.de
|
||||
* |
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License version 2 as |
||||
* published by the Free Software Foundation. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, but |
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||||
* General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, see http://www.gnu.org/licenses/.
|
||||
**/ |
||||
#ifndef __LIBZTEX_H__ |
||||
#define __LIBZTEX_H__ |
||||
|
||||
#include <libusb-1.0/libusb.h> |
||||
|
||||
#define LIBZTEX_MAX_DESCRIPTORS 512 |
||||
#define LIBZTEX_SNSTRING_LEN 10 |
||||
|
||||
#define LIBZTEX_IDVENDOR 0x221A |
||||
#define LIBZTEX_IDPRODUCT 0x0100 |
||||
|
||||
#define LIBZTEX_MAXMAXERRORRATE 0.05 |
||||
#define LIBZTEX_ERRORHYSTERESIS 0.1 |
||||
#define LIBZTEX_OVERHEATTHRESHOLD 0.5 |
||||
|
||||
struct libztex_fpgastate { |
||||
bool fpgaConfigured; |
||||
unsigned char fpgaChecksum; |
||||
uint16_t fpgaBytes; |
||||
unsigned char fpgaInitB; |
||||
unsigned char fpgaFlashResult; |
||||
bool fpgaFlashBitSwap; |
||||
}; |
||||
|
||||
struct libztex_device { |
||||
bool valid; |
||||
struct libusb_device_descriptor descriptor; |
||||
libusb_device_handle *hndl; |
||||
unsigned char usbbus; |
||||
unsigned char usbaddress; |
||||
unsigned char snString[LIBZTEX_SNSTRING_LEN+1]; |
||||
unsigned char productId[4]; |
||||
unsigned char fwVersion; |
||||
unsigned char interfaceVersion; |
||||
unsigned char interfaceCapabilities[6]; |
||||
unsigned char moduleReserved[12]; |
||||
uint8_t numNonces; |
||||
uint16_t offsNonces; |
||||
double freqM1; |
||||
uint8_t freqM; |
||||
uint8_t freqMaxM; |
||||
uint8_t freqMDefault; |
||||
char* bitFileName; |
||||
|
||||
double errorCount[256]; |
||||
double errorWeight[256]; |
||||
double errorRate[256]; |
||||
double maxErrorRate[256]; |
||||
|
||||
char repr[64]; |
||||
}; |
||||
|
||||
struct libztex_dev_list { |
||||
struct libztex_device *dev; |
||||
struct libztex_dev_list *next; |
||||
}; |
||||
|
||||
struct libztex_hash_data { |
||||
uint32_t goldenNonce; |
||||
uint32_t nonce; |
||||
uint32_t hash7; |
||||
}; |
||||
|
||||
extern int libztex_scanDevices (struct libztex_dev_list ***devs); |
||||
extern void libztex_freeDevList (struct libztex_dev_list **devs); |
||||
extern int libztex_prepare_device (struct libusb_device *dev, struct libztex_device** ztex); |
||||
extern void libztex_destroy_device (struct libztex_device* ztex); |
||||
extern int libztex_configureFpga (struct libztex_device *dev); |
||||
extern int libztex_setFreq (struct libztex_device *ztex, uint16_t freq); |
||||
extern int libztex_sendHashData (struct libztex_device *ztex, unsigned char *sendbuf); |
||||
extern int libztex_readHashData (struct libztex_device *ztex, struct libztex_hash_data nonces[]); |
||||
extern int libztex_resetFpga (struct libztex_device *ztex); |
||||
|
||||
#endif /* __LIBZTEX_H__ */ |
||||
@ -0,0 +1,5 @@
@@ -0,0 +1,5 @@
|
||||
- verify setting cgpu.status=DEAD does in fact stop the thread |
||||
- allow configuring bitstream directory |
||||
- HS fpga config |
||||
- allow configuring LIBZTEX_OVERHEATTHRESHOLD |
||||
- hotplug support? |
||||
@ -0,0 +1,323 @@
@@ -0,0 +1,323 @@
|
||||
/**
|
||||
* ztex.c - cgminer worker for Ztex 1.15x fpga board |
||||
* |
||||
* Copyright (c) 2012 nelisky.btc@gmail.com |
||||
* |
||||
* This work is based upon the Java SDK provided by ztex which is |
||||
* Copyright (C) 2009-2011 ZTEX GmbH. |
||||
* http://www.ztex.de
|
||||
* |
||||
* This work is based upon the icarus.c worker which is |
||||
* Copyright 2012 Luke Dashjr |
||||
* Copyright 2012 Xiangfu <xiangfu@openmobilefree.com> |
||||
* |
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License version 2 as |
||||
* published by the Free Software Foundation. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, but |
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||||
* General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, see http://www.gnu.org/licenses/.
|
||||
**/ |
||||
#include <unistd.h> |
||||
#include <sha2.h> |
||||
#include "miner.h" |
||||
#include "libztex.h" |
||||
|
||||
#define GOLDEN_BACKLOG 5 |
||||
|
||||
struct device_api ztex_api, ztex_hotplug_api; |
||||
|
||||
// Forward declarations
|
||||
static void ztex_disable (struct thr_info* thr); |
||||
static bool ztex_prepare(struct thr_info *thr); |
||||
|
||||
static void ztex_detect() |
||||
{ |
||||
int cnt; |
||||
int i; |
||||
struct libztex_dev_list **ztex_devices; |
||||
|
||||
cnt = libztex_scanDevices(&ztex_devices); |
||||
applog(LOG_WARNING, "Found %d ztex board(s)", cnt); |
||||
|
||||
for (i=0; i<cnt; i++) { |
||||
if (total_devices == MAX_DEVICES) |
||||
break; |
||||
struct cgpu_info *ztex; |
||||
ztex = calloc(1, sizeof(struct cgpu_info)); |
||||
ztex->api = &ztex_api; |
||||
ztex->device_id = total_devices; |
||||
ztex->device = ztex_devices[i]->dev; |
||||
ztex->threads = 1; |
||||
devices[total_devices++] = ztex; |
||||
|
||||
applog(LOG_WARNING,"%s: Found Ztex, mark as %d", ztex->device->repr, ztex->device_id); |
||||
} |
||||
|
||||
if (cnt > 0) |
||||
libztex_freeDevList(ztex_devices); |
||||
} |
||||
|
||||
static bool ztex_updateFreq (struct libztex_device* ztex) |
||||
{ |
||||
int i, maxM, bestM; |
||||
double bestR, r; |
||||
|
||||
for (i=0; i<ztex->freqMaxM; i++) |
||||
if (ztex->maxErrorRate[i+1]*i < ztex->maxErrorRate[i]*(i+20)) |
||||
ztex->maxErrorRate[i+1] = ztex->maxErrorRate[i]*(1.0+20.0/i); |
||||
|
||||
maxM = 0; |
||||
while (maxM<ztex->freqMDefault && ztex->maxErrorRate[maxM+1]<LIBZTEX_MAXMAXERRORRATE) |
||||
maxM++; |
||||
while (maxM<ztex->freqMaxM && ztex->errorWeight[maxM]>150 && ztex->maxErrorRate[maxM+1]<LIBZTEX_MAXMAXERRORRATE) |
||||
maxM++; |
||||
|
||||
bestM = 0; |
||||
bestR = 0; |
||||
for (i=0; i<=maxM; i++) { |
||||
r = (i + 1 + ( i == ztex->freqM ? LIBZTEX_ERRORHYSTERESIS : 0))*(1-ztex->maxErrorRate[i]); |
||||
if (r > bestR) { |
||||
bestM = i; |
||||
bestR = r; |
||||
} |
||||
} |
||||
|
||||
if (bestM != ztex->freqM) |
||||
libztex_setFreq(ztex, bestM); |
||||
|
||||
maxM = ztex->freqMDefault; |
||||
while (maxM<ztex->freqMaxM && ztex->errorWeight[maxM+1] > 100) |
||||
maxM++; |
||||
if ((bestM < (1.0-LIBZTEX_OVERHEATTHRESHOLD) * maxM) && bestM < maxM - 1) { |
||||
libztex_resetFpga(ztex); |
||||
applog(LOG_ERR, "%s: frequency drop of %.1f%% detect. This may be caused by overheating. FPGA is shut down to prevent damage.", ztex->repr, (1.0-1.0*bestM/maxM)*100); |
||||
return false; |
||||
} |
||||
return true; |
||||
} |
||||
|
||||
|
||||
static bool ztex_checkNonce (struct libztex_device *ztex, |
||||
struct work *work, |
||||
struct libztex_hash_data *hdata) |
||||
{ |
||||
uint32_t *data32 = (uint32_t *)(work->data); |
||||
unsigned char swap[128]; |
||||
uint32_t *swap32 = (uint32_t *)swap; |
||||
unsigned char hash1[32]; |
||||
unsigned char hash2[32]; |
||||
uint32_t *hash2_32 = (uint32_t *)hash2; |
||||
int i; |
||||
|
||||
#if defined(__BIGENDIAN__) || defined(MIPSEB) |
||||
hdata->nonce = swab32(hdata->nonce); |
||||
hdata->hash7 = swab32(hdata->hash7); |
||||
#endif |
||||
|
||||
work->data[64 + 12 + 0] = (hdata->nonce >> 0) & 0xff; |
||||
work->data[64 + 12 + 1] = (hdata->nonce >> 8) & 0xff; |
||||
work->data[64 + 12 + 2] = (hdata->nonce >> 16) & 0xff; |
||||
work->data[64 + 12 + 3] = (hdata->nonce >> 24) & 0xff; |
||||
|
||||
for (i = 0; i < 80 / 4; i++) |
||||
swap32[i] = swab32(data32[i]); |
||||
|
||||
sha2(swap, 80, hash1, false); |
||||
sha2(hash1, 32, hash2, false); |
||||
#if defined(__BIGENDIAN__) || defined(MIPSEB) |
||||
if (hash2_32[7] != ((hdata->hash7 + 0x5be0cd19) & 0xFFFFFFFF)) { |
||||
#else |
||||
if (swab32(hash2_32[7]) != ((hdata->hash7 + 0x5be0cd19) & 0xFFFFFFFF)) { |
||||
#endif |
||||
ztex->errorCount[ztex->freqM] += 1.0/ztex->numNonces; |
||||
applog(LOG_DEBUG, "%s: checkNonce failed for %0.8X", ztex->repr, hdata->nonce); |
||||
return false; |
||||
} |
||||
return true; |
||||
} |
||||
|
||||
static uint64_t ztex_scanhash(struct thr_info *thr, struct work *work, |
||||
__maybe_unused uint64_t max_nonce) |
||||
{ |
||||
struct libztex_device *ztex; |
||||
unsigned char sendbuf[44]; |
||||
int i, j; |
||||
uint32_t backlog[GOLDEN_BACKLOG]; |
||||
int backlog_p = 0; |
||||
uint32_t lastnonce[GOLDEN_BACKLOG], nonce, noncecnt = 0; |
||||
bool overflow, found, rv; |
||||
struct libztex_hash_data hdata[GOLDEN_BACKLOG]; |
||||
|
||||
ztex = thr->cgpu->device; |
||||
|
||||
memcpy(sendbuf, work->data + 64, 12); |
||||
memcpy(sendbuf+12, work->midstate, 32); |
||||
memset(backlog, 0, sizeof(backlog)); |
||||
i = libztex_sendHashData(ztex, sendbuf); |
||||
if (i < 0) { |
||||
// Something wrong happened in send
|
||||
applog(LOG_ERR, "%s: Failed to send hash data with err %d, retrying", ztex->repr, i); |
||||
usleep(500000); |
||||
i = libztex_sendHashData(ztex, sendbuf); |
||||
if (i < 0) { |
||||
// And there's nothing we can do about it
|
||||
ztex_disable(thr); |
||||
applog(LOG_ERR, "%s: Failed to send hash data with err %d, giving up", ztex->repr, i); |
||||
return 0; |
||||
} |
||||
} |
||||
|
||||
applog(LOG_DEBUG, "sent hashdata"); |
||||
|
||||
for (i=0; i<ztex->numNonces; i++) |
||||
lastnonce[i] = 0; |
||||
|
||||
overflow = false; |
||||
|
||||
while (!(overflow || work_restart[thr->id].restart)) { |
||||
usleep(250000); |
||||
if (work_restart[thr->id].restart) { |
||||
applog(LOG_DEBUG, "%s: New work detected", ztex->repr); |
||||
break; |
||||
} |
||||
i = libztex_readHashData(ztex, &hdata[0]); |
||||
if (i < 0) { |
||||
// Something wrong happened in read
|
||||
applog(LOG_ERR, "%s: Failed to read hash data with err %d, retrying", ztex->repr, i); |
||||
usleep(500000); |
||||
i = libztex_readHashData(ztex, &hdata[0]); |
||||
if (i < 0) { |
||||
// And there's nothing we can do about it
|
||||
ztex_disable(thr); |
||||
applog(LOG_ERR, "%s: Failed to read hash data with err %d, giving up", ztex->repr, i); |
||||
return 0; |
||||
} |
||||
} |
||||
|
||||
if (work_restart[thr->id].restart) { |
||||
applog(LOG_DEBUG, "%s: New work detected", ztex->repr); |
||||
break; |
||||
} |
||||
|
||||
ztex->errorCount[ztex->freqM] *= 0.995; |
||||
ztex->errorWeight[ztex->freqM] = ztex->errorWeight[ztex->freqM] * 0.995 + 1.0; |
||||
|
||||
for (i=0; i<ztex->numNonces; i++) { |
||||
nonce = hdata[i].nonce; |
||||
#if defined(__BIGENDIAN__) || defined(MIPSEB) |
||||
nonce = swab32(nonce); |
||||
#endif |
||||
if (nonce > noncecnt) |
||||
noncecnt = nonce; |
||||
if (((nonce & 0x7fffffff) >> 4) < ((lastnonce[i] & 0x7fffffff) >> 4)) { |
||||
applog(LOG_DEBUG, "%s: overflow nonce=%0.8x lastnonce=%0.8x", ztex->repr, nonce, lastnonce[i]); |
||||
overflow = true; |
||||
} else { |
||||
lastnonce[i] = nonce; |
||||
} |
||||
#if !(defined(__BIGENDIAN__) || defined(MIPSEB)) |
||||
nonce = swab32(nonce); |
||||
#endif |
||||
if (!ztex_checkNonce(ztex, work, &hdata[i])) { |
||||
thr->cgpu->hw_errors++; |
||||
continue; |
||||
} |
||||
nonce = hdata[i].goldenNonce; |
||||
if (nonce > 0) { |
||||
found = false; |
||||
for (j=0; j<GOLDEN_BACKLOG; j++) { |
||||
if (backlog[j] == nonce) { |
||||
found = true; |
||||
break; |
||||
} |
||||
} |
||||
if (!found) { |
||||
applog(LOG_DEBUG, "%s: Share found", ztex->repr); |
||||
backlog[backlog_p++] = nonce; |
||||
if (backlog_p >= GOLDEN_BACKLOG) |
||||
backlog_p = 0; |
||||
#if defined(__BIGENDIAN__) || defined(MIPSEB) |
||||
nonce = swab32(nonce); |
||||
#endif |
||||
work->blk.nonce = 0xffffffff; |
||||
rv = submit_nonce(thr, work, nonce); |
||||
applog(LOG_DEBUG, "%s: submitted %0.8x %d", ztex->repr, nonce, rv); |
||||
} |
||||
} |
||||
|
||||
} |
||||
|
||||
} |
||||
|
||||
ztex->errorRate[ztex->freqM] = ztex->errorCount[ztex->freqM] / ztex->errorWeight[ztex->freqM] * (ztex->errorWeight[ztex->freqM]<100 ? ztex->errorWeight[ztex->freqM]*0.01 : 1.0); |
||||
if (ztex->errorRate[ztex->freqM] > ztex->maxErrorRate[ztex->freqM]) |
||||
ztex->maxErrorRate[ztex->freqM] = ztex->errorRate[ztex->freqM]; |
||||
|
||||
if (!ztex_updateFreq(ztex)) |
||||
// Something really serious happened, so mark this thread as dead!
|
||||
return 0; |
||||
|
||||
applog(LOG_DEBUG, "%s: exit %1.8X", ztex->repr, noncecnt); |
||||
|
||||
work->blk.nonce = 0xffffffff; |
||||
|
||||
return noncecnt > 0 ? noncecnt : 1; |
||||
} |
||||
|
||||
static void ztex_statline_before(char *buf, struct cgpu_info *cgpu) |
||||
{ |
||||
if (cgpu->deven == DEV_ENABLED) { |
||||
tailsprintf(buf, "%s | ", cgpu->device->snString); |
||||
tailsprintf(buf, "%0.2fMhz | ", cgpu->device->freqM1 * (cgpu->device->freqM + 1)); |
||||
} |
||||
} |
||||
|
||||
static bool ztex_prepare(struct thr_info *thr) |
||||
{ |
||||
struct timeval now; |
||||
struct cgpu_info *ztex = thr->cgpu; |
||||
|
||||
gettimeofday(&now, NULL); |
||||
get_datestamp(ztex->init, &now); |
||||
|
||||
if (libztex_configureFpga(ztex->device) != 0) |
||||
return false; |
||||
|
||||
ztex->device->freqM = -1; |
||||
ztex_updateFreq(ztex->device); |
||||
|
||||
applog(LOG_DEBUG, "%s: prepare", ztex->device->repr); |
||||
return true; |
||||
} |
||||
|
||||
static void ztex_shutdown(struct thr_info *thr) |
||||
{ |
||||
if (thr->cgpu->device != NULL) { |
||||
applog(LOG_DEBUG, "%s: shutdown", thr->cgpu->device->repr); |
||||
libztex_destroy_device(thr->cgpu->device); |
||||
thr->cgpu->device = NULL; |
||||
} |
||||
} |
||||
|
||||
static void ztex_disable (struct thr_info *thr) |
||||
{ |
||||
applog(LOG_ERR, "%s: Disabling!", thr->cgpu->device->repr); |
||||
devices[thr->cgpu->device_id]->deven = DEV_DISABLED; |
||||
ztex_shutdown(thr); |
||||
} |
||||
|
||||
struct device_api ztex_api = { |
||||
.name = "ZTX", |
||||
.api_detect = ztex_detect, |
||||
.get_statline_before = ztex_statline_before, |
||||
.thread_prepare = ztex_prepare, |
||||
.scanhash = ztex_scanhash, |
||||
.thread_shutdown = ztex_shutdown, |
||||
}; |
||||
|
||||
Loading…
Reference in new issue