OpenCL GPU miner
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

297 lines
6.7 KiB

/*
* Copyright 2012 Luke Dashjr
* Copyright 2012 Andrew Smith
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#include "config.h"
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#ifndef WIN32
#include <errno.h>
#include <termios.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
#else
#include <windows.h>
#include <io.h>
#endif
#ifdef HAVE_LIBUDEV
#include <libudev.h>
#endif
#include "elist.h"
#include "fpgautils.h"
#include "logging.h"
#include "miner.h"
#ifdef HAVE_LIBUDEV
char
serial_autodetect_udev(detectone_func_t detectone, const char*prodname)
{
struct udev *udev = udev_new();
struct udev_enumerate *enumerate = udev_enumerate_new(udev);
struct udev_list_entry *list_entry;
char found = 0;
udev_enumerate_add_match_subsystem(enumerate, "tty");
udev_enumerate_add_match_property(enumerate, "ID_MODEL", prodname);
udev_enumerate_scan_devices(enumerate);
udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
struct udev_device *device = udev_device_new_from_syspath(
udev_enumerate_get_udev(enumerate),
udev_list_entry_get_name(list_entry)
);
if (!device)
continue;
const char *devpath = udev_device_get_devnode(device);
if (devpath && detectone(devpath))
++found;
udev_device_unref(device);
}
udev_enumerate_unref(enumerate);
udev_unref(udev);
return found;
}
#else
char
serial_autodetect_udev(__maybe_unused detectone_func_t detectone, __maybe_unused const char*prodname)
{
return 0;
}
#endif
char
serial_autodetect_devserial(detectone_func_t detectone, const char*prodname)
{
#ifndef WIN32
DIR *D;
struct dirent *de;
const char udevdir[] = "/dev/serial/by-id";
char devpath[sizeof(udevdir) + 1 + NAME_MAX];
char *devfile = devpath + sizeof(udevdir);
char found = 0;
D = opendir(udevdir);
if (!D)
return 0;
memcpy(devpath, udevdir, sizeof(udevdir) - 1);
devpath[sizeof(udevdir) - 1] = '/';
while ( (de = readdir(D)) ) {
if (!strstr(de->d_name, prodname))
continue;
strcpy(devfile, de->d_name);
if (detectone(devpath))
++found;
}
closedir(D);
return found;
#else
return 0;
#endif
}
char
_serial_detect(const char*dname, detectone_func_t detectone, autoscan_func_t autoscan, bool forceauto)
{
struct string_elist *iter, *tmp;
const char*s, *p;
bool inhibitauto = false;
char found = 0;
size_t dnamel = strlen(dname);
list_for_each_entry_safe(iter, tmp, &scan_devices, list) {
s = iter->string;
if ((p = strchr(s, ':')) && p[1] != '\0') {
size_t plen = p - s;
if (plen != dnamel || strncasecmp(s, dname, plen))
continue;
s = p + 1;
}
if (!strcmp(s, "auto"))
forceauto = true;
else
if (!strcmp(s, "noauto"))
inhibitauto = true;
else
if (detectone(s)) {
string_elist_del(iter);
inhibitauto = true;
++found;
}
}
if ((forceauto || !inhibitauto) && autoscan)
found += autoscan();
return found;
}
int
serial_open(const char*devpath, unsigned long baud, signed short timeout, bool purge)
{
#ifdef WIN32
HANDLE hSerial = CreateFile(devpath, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (unlikely(hSerial == INVALID_HANDLE_VALUE))
{
DWORD e = GetLastError();
switch (e) {
case ERROR_ACCESS_DENIED:
applog(LOG_ERR, "Do not have user privileges required to open %s", devpath);
break;
case ERROR_SHARING_VIOLATION:
applog(LOG_ERR, "%s is already in use by another process", devpath);
break;
default:
applog(LOG_DEBUG, "Open %s failed, GetLastError:%u", devpath, e);
break;
}
return -1;
}
// thanks to af_newbie for pointers about this
COMMCONFIG comCfg = {0};
comCfg.dwSize = sizeof(COMMCONFIG);
comCfg.wVersion = 1;
comCfg.dcb.DCBlength = sizeof(DCB);
comCfg.dcb.BaudRate = baud;
comCfg.dcb.fBinary = 1;
comCfg.dcb.fDtrControl = DTR_CONTROL_ENABLE;
comCfg.dcb.fRtsControl = RTS_CONTROL_ENABLE;
comCfg.dcb.ByteSize = 8;
SetCommConfig(hSerial, &comCfg, sizeof(comCfg));
const DWORD ctoms = (timeout == -1) ? 30000 : (timeout * 100);
COMMTIMEOUTS cto = {ctoms, 0, ctoms, 0, ctoms};
SetCommTimeouts(hSerial, &cto);
if (purge) {
PurgeComm(hSerial, PURGE_RXABORT);
PurgeComm(hSerial, PURGE_TXABORT);
PurgeComm(hSerial, PURGE_RXCLEAR);
PurgeComm(hSerial, PURGE_TXCLEAR);
}
return _open_osfhandle((LONG)hSerial, 0);
#else
int fdDev = open(devpath, O_RDWR | O_CLOEXEC | O_NOCTTY);
if (unlikely(fdDev == -1))
{
if (errno == EACCES)
applog(LOG_ERR, "Do not have user privileges required to open %s", devpath);
else
applog(LOG_DEBUG, "Open %s failed, errno:%d", devpath, errno);
return -1;
}
struct termios my_termios;
tcgetattr(fdDev, &my_termios);
switch (baud) {
case 0:
break;
case 115200:
my_termios.c_cflag &= ~CBAUD;
my_termios.c_cflag |= B115200;
break;
// TODO: try some higher speeds with the Icarus and BFL to see
// if they support them and if setting them makes any difference
default:
applog(LOG_WARNING, "Unrecognized baud rate: %lu", baud);
}
my_termios.c_cflag |= CS8;
my_termios.c_cflag |= CREAD;
my_termios.c_cflag |= CLOCAL;
my_termios.c_cflag &= ~(CSIZE | PARENB);
my_termios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK |
ISTRIP | INLCR | IGNCR | ICRNL | IXON);
my_termios.c_oflag &= ~OPOST;
my_termios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
if (timeout >= 0) {
my_termios.c_cc[VTIME] = (cc_t)timeout;
my_termios.c_cc[VMIN] = 0;
}
tcsetattr(fdDev, TCSANOW, &my_termios);
if (purge)
tcflush(fdDev, TCIOFLUSH);
return fdDev;
#endif
}
ssize_t
_serial_read(int fd, char *buf, size_t bufsiz, char *eol)
{
ssize_t len, tlen = 0;
while (bufsiz) {
len = read(fd, buf, eol ? 1 : bufsiz);
if (len < 1)
break;
tlen += len;
if (eol && *eol == buf[0])
break;
buf += len;
bufsiz -= len;
}
return tlen;
}
static FILE*
_open_bitstream(const char*path, const char*subdir, const char*filename)
{
char fullpath[PATH_MAX];
strcpy(fullpath, path);
strcat(fullpath, "/");
if (subdir) {
strcat(fullpath, subdir);
strcat(fullpath, "/");
}
strcat(fullpath, filename);
return fopen(fullpath, "rb");
}
#define _open_bitstream(path, subdir) do { \
f = _open_bitstream(path, subdir, filename); \
if (f) \
return f; \
} while(0)
#define _open_bitstream3(path) do { \
_open_bitstream(path, dname); \
_open_bitstream(path, "bitstreams"); \
_open_bitstream(path, NULL); \
} while(0)
FILE*
open_bitstream(const char*dname, const char*filename)
{
FILE *f;
_open_bitstream3(opt_kernel_path);
_open_bitstream3(cgminer_path);
_open_bitstream3(".");
return NULL;
}