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driver-bflsc.c
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driver-bflsc.c
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/*
* Copyright 2013 Andrew Smith
* Copyright 2013-2014 Con Kolivas
*
* 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 <float.h>
#include <limits.h>
#include <pthread.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <sys/time.h>
#include <unistd.h>
#ifdef WIN32
#include <winsock2.h>
#include <windows.h>
#endif
#include "compat.h"
#include "miner.h"
#include "usbutils.h"
#include "uthash.h"
#include "driver-bflsc.h"
int opt_bflsc_overheat = BFLSC_TEMP_OVERHEAT;
static const char *blank = "";
static enum driver_version drv_ver(struct cgpu_info *bflsc, const char *ver)
{
char *tmp;
if (strstr(ver, "1.0.0"))
return BFLSC_DRV1;
if (strstr(ver, "1.0.") || strstr(ver, "1.1.")) {
applog(LOG_WARNING, "%s detect (%s) Warning assuming firmware '%s' is Ver1",
bflsc->drv->dname, bflsc->device_path, ver);
return BFLSC_DRV1;
}
if (strstr(ver, "1.2."))
return BFLSC_DRV2;
tmp = str_text((char *)ver);
applog(LOG_INFO, "%s detect (%s) Warning unknown firmware '%s' using Ver2",
bflsc->drv->dname, bflsc->device_path, tmp);
free(tmp);
return BFLSC_DRV2;
}
static void xlinkstr(char *xlink, size_t siz, int dev, struct bflsc_info *sc_info)
{
if (dev > 0)
snprintf(xlink, siz, " x-%d", dev);
else {
if (sc_info->sc_count > 1)
strcpy(xlink, " master");
else
*xlink = '\0';
}
}
static void bflsc_applog(struct cgpu_info *bflsc, int dev, enum usb_cmds cmd, int amount, int err)
{
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
char xlink[17];
xlinkstr(xlink, sizeof(xlink), dev, sc_info);
usb_applog(bflsc, cmd, xlink, amount, err);
}
// Break an input up into lines with LFs removed
// false means an error, but if *lines > 0 then data was also found
// error would be no data or missing LF at the end
static bool tolines(struct cgpu_info *bflsc, int dev, char *buf, int *lines, char ***items, enum usb_cmds cmd)
{
bool ok = false;
char *ptr;
#define p_lines (*lines)
#define p_items (*items)
p_lines = 0;
p_items = NULL;
if (!buf || !(*buf)) {
applog(LOG_DEBUG, "USB: %s%i: (%d) empty %s",
bflsc->drv->name, bflsc->device_id, dev, usb_cmdname(cmd));
return ok;
}
ptr = strdup(buf);
while (ptr && *ptr) {
p_items = realloc(p_items, ++p_lines * sizeof(*p_items));
if (unlikely(!p_items))
quit(1, "Failed to realloc p_items in tolines");
p_items[p_lines-1] = ptr;
ptr = strchr(ptr, '\n');
if (ptr)
*(ptr++) = '\0';
else {
applog(LOG_DEBUG, "USB: %s%i: (%d) missing lf(s) in %s",
bflsc->drv->name, bflsc->device_id, dev, usb_cmdname(cmd));
return ok;
}
}
ok = true;
return ok;
}
static void freetolines(int *lines, char ***items)
{
if (*lines > 0) {
free(**items);
free(*items);
}
*lines = 0;
*items = NULL;
}
enum breakmode {
NOCOLON,
ONECOLON,
ALLCOLON // Temperature uses this
};
// Break down a single line into 'fields'
// 'lf' will be a pointer to the final LF if it is there (or NULL)
// firstname will be the allocated buf copy pointer which is also
// the string before ':' for ONECOLON and ALLCOLON
// If any string is missing the ':' when it was expected, false is returned
static bool breakdown(enum breakmode mode, char *buf, int *count, char **firstname, char ***fields, char **lf)
{
char *ptr, *colon, *comma;
bool ok = false;
#define p_count (*count)
#define p_firstname (*firstname)
#define p_fields (*fields)
#define p_lf (*lf)
p_count = 0;
p_firstname = NULL;
p_fields = NULL;
p_lf = NULL;
if (!buf || !(*buf))
return ok;
ptr = p_firstname = strdup(buf);
p_lf = strchr(p_firstname, '\n');
if (mode == ONECOLON) {
colon = strchr(ptr, ':');
if (colon) {
ptr = colon;
*(ptr++) = '\0';
} else
return ok;
}
while (ptr && *ptr) {
if (mode == ALLCOLON) {
colon = strchr(ptr, ':');
if (colon)
ptr = colon + 1;
else
return ok;
}
comma = strchr(ptr, ',');
if (comma)
*(comma++) = '\0';
p_fields = realloc(p_fields, ++p_count * sizeof(*p_fields));
if (unlikely(!p_fields))
quit(1, "Failed to realloc p_fields in breakdown");
p_fields[p_count-1] = ptr;
ptr = comma;
}
ok = true;
return ok;
}
static void freebreakdown(int *count, char **firstname, char ***fields)
{
if (*firstname)
free(*firstname);
if (*count > 0)
free(*fields);
*count = 0;
*firstname = NULL;
*fields = NULL;
}
static bool isokerr(int err, char *buf, int amount)
{
if (err < 0 || amount < (int)BFLSC_OK_LEN)
return false;
else {
if (strstr(buf, BFLSC_ANERR)) {
applog(LOG_INFO, "BFLSC not ok err: %s", buf);
return false;
} else
return true;
}
}
// send+receive dual stage - always single line replies
static int send_recv_ds(struct cgpu_info *bflsc, int dev, int *stage, bool *sent, int *amount, char *send1, int send1_len, enum usb_cmds send1_cmd, enum usb_cmds recv1_cmd, char *send2, int send2_len, enum usb_cmds send2_cmd, enum usb_cmds recv2_cmd, char *recv, int recv_siz)
{
struct DataForwardToChain data;
int len, err, tried;
if (dev == 0) {
usb_buffer_clear(bflsc);
*stage = 1;
*sent = false;
err = usb_write(bflsc, send1, send1_len, amount, send1_cmd);
if (err < 0 || *amount < send1_len)
return err;
*sent = true;
err = usb_read_nl(bflsc, recv, recv_siz, amount, recv1_cmd);
if (!isokerr(err, recv, *amount))
return err;
usb_buffer_clear(bflsc);
*stage = 2;
*sent = false;
err = usb_write(bflsc, send2, send2_len, amount, send2_cmd);
if (err < 0 || *amount < send2_len)
return err;
*sent = true;
err = usb_read_nl(bflsc, recv, recv_siz, amount, recv2_cmd);
return err;
}
data.header = BFLSC_XLINKHDR;
data.deviceAddress = (uint8_t)dev;
tried = 0;
while (tried++ < 3) {
data.payloadSize = send1_len;
memcpy(data.payloadData, send1, send1_len);
len = DATAFORWARDSIZE(data);
usb_buffer_clear(bflsc);
*stage = 1;
*sent = false;
err = usb_write(bflsc, (char *)&data, len, amount, send1_cmd);
if (err < 0 || *amount < send1_len)
return err;
*sent = true;
err = usb_read_nl(bflsc, recv, recv_siz, amount, recv1_cmd);
if (err != LIBUSB_SUCCESS)
return err;
// x-link timeout? - try again?
if (strstr(recv, BFLSC_XTIMEOUT))
continue;
if (!isokerr(err, recv, *amount))
return err;
data.payloadSize = send2_len;
memcpy(data.payloadData, send2, send2_len);
len = DATAFORWARDSIZE(data);
usb_buffer_clear(bflsc);
*stage = 2;
*sent = false;
err = usb_write(bflsc, (char *)&data, len, amount, send2_cmd);
if (err < 0 || *amount < send2_len)
return err;
*sent = true;
err = usb_read_nl(bflsc, recv, recv_siz, amount, recv2_cmd);
if (err != LIBUSB_SUCCESS)
return err;
// x-link timeout? - try again?
if (strstr(recv, BFLSC_XTIMEOUT))
continue;
// SUCCESS - return it
break;
}
return err;
}
#define READ_OK true
#define READ_NL false
// send+receive single stage
static int send_recv_ss(struct cgpu_info *bflsc, int dev, bool *sent, int *amount, char *send, int send_len, enum usb_cmds send_cmd, char *recv, int recv_siz, enum usb_cmds recv_cmd, bool read_ok)
{
struct DataForwardToChain data;
int len, err, tried;
if (dev == 0) {
usb_buffer_clear(bflsc);
*sent = false;
err = usb_write(bflsc, send, send_len, amount, send_cmd);
if (err < 0 || *amount < send_len) {
// N.B. thus !(*sent) directly implies err < 0 or *amount < send_len
return err;
}
*sent = true;
if (read_ok == READ_OK)
err = usb_read_ok(bflsc, recv, recv_siz, amount, recv_cmd);
else
err = usb_read_nl(bflsc, recv, recv_siz, amount, recv_cmd);
return err;
}
data.header = BFLSC_XLINKHDR;
data.deviceAddress = (uint8_t)dev;
data.payloadSize = send_len;
memcpy(data.payloadData, send, send_len);
len = DATAFORWARDSIZE(data);
tried = 0;
while (tried++ < 3) {
usb_buffer_clear(bflsc);
*sent = false;
err = usb_write(bflsc, (char *)&data, len, amount, recv_cmd);
if (err < 0 || *amount < send_len)
return err;
*sent = true;
if (read_ok == READ_OK)
err = usb_read_ok(bflsc, recv, recv_siz, amount, recv_cmd);
else
err = usb_read_nl(bflsc, recv, recv_siz, amount, recv_cmd);
if (err != LIBUSB_SUCCESS && err != LIBUSB_ERROR_TIMEOUT)
return err;
// read_ok can err timeout if it's looking for OK<LF>
// TODO: add a usb_read() option to spot the ERR: and convert end=OK<LF> to just <LF>
// x-link timeout? - try again?
if ((err == LIBUSB_SUCCESS || (read_ok == READ_OK && err == LIBUSB_ERROR_TIMEOUT)) &&
strstr(recv, BFLSC_XTIMEOUT))
continue;
// SUCCESS or TIMEOUT - return it
break;
}
return err;
}
static int write_to_dev(struct cgpu_info *bflsc, int dev, char *buf, int buflen, int *amount, enum usb_cmds cmd)
{
struct DataForwardToChain data;
int len;
/*
* The protocol is syncronous so any previous excess can be
* discarded and assumed corrupt data or failed USB transfers
*/
usb_buffer_clear(bflsc);
if (dev == 0)
return usb_write(bflsc, buf, buflen, amount, cmd);
data.header = BFLSC_XLINKHDR;
data.deviceAddress = (uint8_t)dev;
data.payloadSize = buflen;
memcpy(data.payloadData, buf, buflen);
len = DATAFORWARDSIZE(data);
return usb_write(bflsc, (char *)&data, len, amount, cmd);
}
static void bflsc_send_flush_work(struct cgpu_info *bflsc, int dev)
{
char buf[BFLSC_BUFSIZ+1];
int err, amount;
bool sent;
// Device is gone
if (bflsc->usbinfo.nodev)
return;
mutex_lock(&bflsc->device_mutex);
err = send_recv_ss(bflsc, dev, &sent, &amount,
BFLSC_QFLUSH, BFLSC_QFLUSH_LEN, C_QUEFLUSH,
buf, sizeof(buf)-1, C_QUEFLUSHREPLY, READ_NL);
mutex_unlock(&bflsc->device_mutex);
if (!sent)
bflsc_applog(bflsc, dev, C_QUEFLUSH, amount, err);
else {
// TODO: do we care if we don't get 'OK'? (always will in normal processing)
}
}
/* return True = attempted usb_read_ok()
* set ignore to true means no applog/ignore errors */
static bool bflsc_qres(struct cgpu_info *bflsc, char *buf, size_t bufsiz, int dev, int *err, int *amount, bool ignore)
{
bool readok = false;
mutex_lock(&(bflsc->device_mutex));
*err = send_recv_ss(bflsc, dev, &readok, amount,
BFLSC_QRES, BFLSC_QRES_LEN, C_REQUESTRESULTS,
buf, bufsiz-1, C_GETRESULTS, READ_OK);
mutex_unlock(&(bflsc->device_mutex));
if (!readok) {
if (!ignore)
bflsc_applog(bflsc, dev, C_REQUESTRESULTS, *amount, *err);
// TODO: do what? flag as dead device?
// count how many times it has happened and reset/fail it
// or even make sure it is all x-link and that means device
// has failed after some limit of this?
// of course all other I/O must also be failing ...
} else {
if (*err < 0 || *amount < 1) {
if (!ignore)
bflsc_applog(bflsc, dev, C_GETRESULTS, *amount, *err);
// TODO: do what? ... see above
}
}
return readok;
}
static void __bflsc_initialise(struct cgpu_info *bflsc)
{
int err, interface;
// TODO: does x-link bypass the other device FTDI? (I think it does)
// So no initialisation required except for the master device?
if (bflsc->usbinfo.nodev)
return;
interface = usb_interface(bflsc);
// Reset
err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_RESET,
FTDI_VALUE_RESET, interface, C_RESET);
applog(LOG_DEBUG, "%s%i: reset got err %d",
bflsc->drv->name, bflsc->device_id, err);
if (bflsc->usbinfo.nodev)
return;
usb_ftdi_set_latency(bflsc);
if (bflsc->usbinfo.nodev)
return;
// Set data control
err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_DATA,
FTDI_VALUE_DATA_BAS, interface, C_SETDATA);
applog(LOG_DEBUG, "%s%i: setdata got err %d",
bflsc->drv->name, bflsc->device_id, err);
if (bflsc->usbinfo.nodev)
return;
// Set the baud
err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_BAUD, FTDI_VALUE_BAUD_BAS,
(FTDI_INDEX_BAUD_BAS & 0xff00) | interface,
C_SETBAUD);
applog(LOG_DEBUG, "%s%i: setbaud got err %d",
bflsc->drv->name, bflsc->device_id, err);
if (bflsc->usbinfo.nodev)
return;
// Set Flow Control
err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_FLOW,
FTDI_VALUE_FLOW, interface, C_SETFLOW);
applog(LOG_DEBUG, "%s%i: setflowctrl got err %d",
bflsc->drv->name, bflsc->device_id, err);
if (bflsc->usbinfo.nodev)
return;
// Set Modem Control
err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_MODEM,
FTDI_VALUE_MODEM, interface, C_SETMODEM);
applog(LOG_DEBUG, "%s%i: setmodemctrl got err %d",
bflsc->drv->name, bflsc->device_id, err);
if (bflsc->usbinfo.nodev)
return;
// Clear any sent data
err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_RESET,
FTDI_VALUE_PURGE_TX, interface, C_PURGETX);
applog(LOG_DEBUG, "%s%i: purgetx got err %d",
bflsc->drv->name, bflsc->device_id, err);
if (bflsc->usbinfo.nodev)
return;
// Clear any received data
err = usb_transfer(bflsc, FTDI_TYPE_OUT, FTDI_REQUEST_RESET,
FTDI_VALUE_PURGE_RX, interface, C_PURGERX);
applog(LOG_DEBUG, "%s%i: purgerx got err %d",
bflsc->drv->name, bflsc->device_id, err);
if (!bflsc->cutofftemp)
bflsc->cutofftemp = opt_bflsc_overheat;
}
static void bflsc_initialise(struct cgpu_info *bflsc)
{
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
char buf[BFLSC_BUFSIZ+1];
int err, amount;
int dev;
mutex_lock(&(bflsc->device_mutex));
__bflsc_initialise(bflsc);
mutex_unlock(&(bflsc->device_mutex));
for (dev = 0; dev < sc_info->sc_count; dev++) {
bflsc_send_flush_work(bflsc, dev);
bflsc_qres(bflsc, buf, sizeof(buf), dev, &err, &amount, true);
}
}
static bool getinfo(struct cgpu_info *bflsc, int dev)
{
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
struct bflsc_dev sc_dev;
char buf[BFLSC_BUFSIZ+1];
int err, amount;
char **items, *firstname, **fields, *lf;
bool res, ok = false;
int i, lines, count;
char *tmp;
/*
* Kano's first dev Jalapeno output:
* DEVICE: BitFORCE SC<LF>
* FIRMWARE: 1.0.0<LF>
* ENGINES: 30<LF>
* FREQUENCY: [UNKNOWN]<LF>
* XLINK MODE: MASTER<LF>
* XLINK PRESENT: YES<LF>
* --DEVICES IN CHAIN: 0<LF>
* --CHAIN PRESENCE MASK: 00000000<LF>
* OK<LF>
*/
/*
* Don't use send_recv_ss() since we have a different receive timeout
* Also getinfo() is called multiple times if it fails anyway
*/
err = write_to_dev(bflsc, dev, BFLSC_DETAILS, BFLSC_DETAILS_LEN, &amount, C_REQUESTDETAILS);
if (err < 0 || amount != BFLSC_DETAILS_LEN) {
applog(LOG_ERR, "%s detect (%s) send details request failed (%d:%d)",
bflsc->drv->dname, bflsc->device_path, amount, err);
return ok;
}
err = usb_read_ok_timeout(bflsc, buf, sizeof(buf)-1, &amount,
BFLSC_INFO_TIMEOUT, C_GETDETAILS);
if (err < 0 || amount < 1) {
if (err < 0) {
applog(LOG_ERR, "%s detect (%s) get details return invalid/timed out (%d:%d)",
bflsc->drv->dname, bflsc->device_path, amount, err);
} else {
applog(LOG_ERR, "%s detect (%s) get details returned nothing (%d:%d)",
bflsc->drv->dname, bflsc->device_path, amount, err);
}
return ok;
}
memset(&sc_dev, 0, sizeof(struct bflsc_dev));
sc_info->sc_count = 1;
res = tolines(bflsc, dev, &(buf[0]), &lines, &items, C_GETDETAILS);
if (!res)
return ok;
tmp = str_text(buf);
strncpy(sc_dev.getinfo, tmp, sizeof(sc_dev.getinfo));
sc_dev.getinfo[sizeof(sc_dev.getinfo)-1] = '\0';
free(tmp);
for (i = 0; i < lines-2; i++) {
res = breakdown(ONECOLON, items[i], &count, &firstname, &fields, &lf);
if (lf)
*lf = '\0';
if (!res || count != 1) {
tmp = str_text(items[i]);
applogsiz(LOG_WARNING, BFLSC_APPLOGSIZ,
"%s detect (%s) invalid details line: '%s' %d",
bflsc->drv->dname, bflsc->device_path, tmp, count);
free(tmp);
dev_error(bflsc, REASON_DEV_COMMS_ERROR);
goto mata;
}
if (strstr(firstname, BFLSC_DI_FIRMWARE)) {
sc_dev.firmware = strdup(fields[0]);
sc_info->driver_version = drv_ver(bflsc, sc_dev.firmware);
}
else if (Strcasestr(firstname, BFLSC_DI_ENGINES)) {
sc_dev.engines = atoi(fields[0]);
if (sc_dev.engines < 1) {
tmp = str_text(items[i]);
applogsiz(LOG_WARNING, BFLSC_APPLOGSIZ,
"%s detect (%s) invalid engine count: '%s'",
bflsc->drv->dname, bflsc->device_path, tmp);
free(tmp);
goto mata;
}
}
else if (strstr(firstname, BFLSC_DI_XLINKMODE))
sc_dev.xlink_mode = strdup(fields[0]);
else if (strstr(firstname, BFLSC_DI_XLINKPRESENT))
sc_dev.xlink_present = strdup(fields[0]);
else if (strstr(firstname, BFLSC_DI_DEVICESINCHAIN)) {
if (fields[0][0] == '0' ||
(fields[0][0] == ' ' && fields[0][1] == '0'))
sc_info->sc_count = 1;
else
sc_info->sc_count = atoi(fields[0]);
if (sc_info->sc_count < 1 || sc_info->sc_count > 30) {
tmp = str_text(items[i]);
applogsiz(LOG_WARNING, BFLSC_APPLOGSIZ,
"%s detect (%s) invalid x-link count: '%s'",
bflsc->drv->dname, bflsc->device_path, tmp);
free(tmp);
goto mata;
}
}
else if (strstr(firstname, BFLSC_DI_CHIPS))
sc_dev.chips = strdup(fields[0]);
else if (strstr(firstname, BFLSC28_DI_ASICS))
sc_dev.chips = strdup(fields[0]);
freebreakdown(&count, &firstname, &fields);
}
if (sc_info->driver_version == BFLSC_DRVUNDEF) {
applog(LOG_WARNING, "%s detect (%s) missing %s",
bflsc->drv->dname, bflsc->device_path, BFLSC_DI_FIRMWARE);
goto ne;
}
sc_info->sc_devs = calloc(sc_info->sc_count, sizeof(struct bflsc_dev));
if (unlikely(!sc_info->sc_devs))
quit(1, "Failed to calloc in getinfo");
memcpy(&(sc_info->sc_devs[0]), &sc_dev, sizeof(sc_dev));
// TODO: do we care about getting this info for the rest if > 0 x-link
ok = true;
goto ne;
mata:
freebreakdown(&count, &firstname, &fields);
ok = false;
ne:
freetolines(&lines, &items);
return ok;
}
static bool bflsc28_queue_full(struct cgpu_info *bflsc);
static struct cgpu_info *bflsc_detect_one(struct libusb_device *dev, struct usb_find_devices *found)
{
struct bflsc_info *sc_info = NULL;
char buf[BFLSC_BUFSIZ+1];
int i, err, amount;
struct timeval init_start, init_now;
int init_sleep, init_count;
bool ident_first, sent;
char *newname;
uint16_t latency;
struct cgpu_info *bflsc = usb_alloc_cgpu(&bflsc_drv, 1);
sc_info = calloc(1, sizeof(*sc_info));
if (unlikely(!sc_info))
quit(1, "Failed to calloc sc_info in bflsc_detect_one");
// TODO: fix ... everywhere ...
bflsc->device_data = (FILE *)sc_info;
if (!usb_init(bflsc, dev, found))
goto shin;
// Allow 2 complete attempts if the 1st time returns an unrecognised reply
ident_first = true;
retry:
init_count = 0;
init_sleep = REINIT_TIME_FIRST_MS;
cgtime(&init_start);
reinit:
__bflsc_initialise(bflsc);
err = send_recv_ss(bflsc, 0, &sent, &amount,
BFLSC_IDENTIFY, BFLSC_IDENTIFY_LEN, C_REQUESTIDENTIFY,
buf, sizeof(buf)-1, C_GETIDENTIFY, READ_NL);
if (!sent) {
applog(LOG_ERR, "%s detect (%s) send identify request failed (%d:%d)",
bflsc->drv->dname, bflsc->device_path, amount, err);
goto unshin;
}
if (err < 0 || amount < 1) {
init_count++;
cgtime(&init_now);
if (us_tdiff(&init_now, &init_start) <= REINIT_TIME_MAX) {
if (init_count == 2) {
applog(LOG_WARNING, "%s detect (%s) 2nd init failed (%d:%d) - retrying",
bflsc->drv->dname, bflsc->device_path, amount, err);
}
cgsleep_ms(init_sleep);
if ((init_sleep * 2) <= REINIT_TIME_MAX_MS)
init_sleep *= 2;
goto reinit;
}
if (init_count > 0)
applog(LOG_WARNING, "%s detect (%s) init failed %d times %.2fs",
bflsc->drv->dname, bflsc->device_path, init_count, tdiff(&init_now, &init_start));
if (err < 0) {
applog(LOG_ERR, "%s detect (%s) error identify reply (%d:%d)",
bflsc->drv->dname, bflsc->device_path, amount, err);
} else {
applog(LOG_ERR, "%s detect (%s) empty identify reply (%d)",
bflsc->drv->dname, bflsc->device_path, amount);
}
goto unshin;
}
buf[amount] = '\0';
if (unlikely(!strstr(buf, BFLSC_BFLSC) && !strstr(buf, BFLSC_BFLSC28))) {
applog(LOG_DEBUG, "%s detect (%s) found an FPGA '%s' ignoring",
bflsc->drv->dname, bflsc->device_path, buf);
goto unshin;
}
if (unlikely(strstr(buf, BFLSC_IDENTITY))) {
if (ident_first) {
applog(LOG_DEBUG, "%s detect (%s) didn't recognise '%s' trying again ...",
bflsc->drv->dname, bflsc->device_path, buf);
ident_first = false;
goto retry;
}
applog(LOG_DEBUG, "%s detect (%s) didn't recognise '%s' on 2nd attempt",
bflsc->drv->dname, bflsc->device_path, buf);
goto unshin;
}
int tries = 0;
while (7734) {
if (getinfo(bflsc, 0))
break;
// N.B. we will get displayed errors each time it fails
if (++tries > 2)
goto unshin;
cgsleep_ms(40);
}
switch (sc_info->driver_version) {
case BFLSC_DRV1:
sc_info->que_size = BFLSC_QUE_SIZE_V1;
sc_info->que_full_enough = BFLSC_QUE_FULL_ENOUGH_V1;
sc_info->que_watermark = BFLSC_QUE_WATERMARK_V1;
sc_info->que_low = BFLSC_QUE_LOW_V1;
sc_info->que_noncecount = QUE_NONCECOUNT_V1;
sc_info->que_fld_min = QUE_FLD_MIN_V1;
sc_info->que_fld_max = QUE_FLD_MAX_V1;
// Only Jalapeno uses 1.0.0
sc_info->flush_size = 1;
break;
case BFLSC_DRV2:
case BFLSC_DRVUNDEF:
default:
sc_info->driver_version = BFLSC_DRV2;
sc_info->que_size = BFLSC_QUE_SIZE_V2;
sc_info->que_full_enough = BFLSC_QUE_FULL_ENOUGH_V2;
sc_info->que_watermark = BFLSC_QUE_WATERMARK_V2;
sc_info->que_low = BFLSC_QUE_LOW_V2;
sc_info->que_noncecount = QUE_NONCECOUNT_V2;
sc_info->que_fld_min = QUE_FLD_MIN_V2;
sc_info->que_fld_max = QUE_FLD_MAX_V2;
// TODO: this can be reduced to total chip count
sc_info->flush_size = 16 * sc_info->sc_count;
break;
}
// Set parallelization based on the getinfo() response if it is present
if (sc_info->sc_devs[0].chips && strlen(sc_info->sc_devs[0].chips)) {
if (strstr(sc_info->sc_devs[0].chips, BFLSC_DI_CHIPS_PARALLEL)) {
sc_info->que_noncecount = QUE_NONCECOUNT_V2;
sc_info->que_fld_min = QUE_FLD_MIN_V2;
sc_info->que_fld_max = QUE_FLD_MAX_V2;
} else {
sc_info->que_noncecount = QUE_NONCECOUNT_V1;
sc_info->que_fld_min = QUE_FLD_MIN_V1;
sc_info->que_fld_max = QUE_FLD_MAX_V1;
}
}
sc_info->scan_sleep_time = BAS_SCAN_TIME;
sc_info->results_sleep_time = BFLSC_RES_TIME;
sc_info->default_ms_work = BAS_WORK_TIME;
latency = BAS_LATENCY;
/* When getinfo() "FREQUENCY: [UNKNOWN]" is fixed -
* use 'freq * engines' to estimate.
* Otherwise for now: */
newname = NULL;
if (sc_info->sc_count > 1) {
newname = BFLSC_MINIRIG;
sc_info->scan_sleep_time = BAM_SCAN_TIME;
sc_info->default_ms_work = BAM_WORK_TIME;
bflsc->usbdev->ident = IDENT_BAM;
latency = BAM_LATENCY;
} else {
if (sc_info->sc_devs[0].engines < 34) { // 16 * 2 + 2
newname = BFLSC_JALAPENO;
sc_info->scan_sleep_time = BAJ_SCAN_TIME;
sc_info->default_ms_work = BAJ_WORK_TIME;
bflsc->usbdev->ident = IDENT_BAJ;
latency = BAJ_LATENCY;
} else if (sc_info->sc_devs[0].engines < 130) { // 16 * 8 + 2
newname = BFLSC_LITTLESINGLE;
sc_info->scan_sleep_time = BAL_SCAN_TIME;
sc_info->default_ms_work = BAL_WORK_TIME;
bflsc->usbdev->ident = IDENT_BAL;
latency = BAL_LATENCY;
}
}
sc_info->ident = usb_ident(bflsc);
if (sc_info->ident == IDENT_BMA) {
bflsc->drv->queue_full = &bflsc28_queue_full;
sc_info->scan_sleep_time = BMA_SCAN_TIME;
sc_info->default_ms_work = BMA_WORK_TIME;
sc_info->results_sleep_time = BMA_RES_TIME;
}
if (latency != bflsc->usbdev->found->latency) {
bflsc->usbdev->found->latency = latency;
usb_ftdi_set_latency(bflsc);
}
for (i = 0; i < sc_info->sc_count; i++)
sc_info->sc_devs[i].ms_work = sc_info->default_ms_work;
if (newname) {
if (!bflsc->drv->copy)
bflsc->drv = copy_drv(bflsc->drv);
bflsc->drv->name = newname;
}
// We have a real BFLSC!
applog(LOG_DEBUG, "%s (%s) identified as: '%s'",
bflsc->drv->dname, bflsc->device_path, bflsc->drv->name);
if (!add_cgpu(bflsc))
goto unshin;
update_usb_stats(bflsc);
mutex_init(&bflsc->device_mutex);
rwlock_init(&sc_info->stat_lock);
return bflsc;
unshin:
usb_uninit(bflsc);
shin:
free(bflsc->device_data);
bflsc->device_data = NULL;
if (bflsc->name != blank) {
free(bflsc->name);
bflsc->name = NULL;
}
bflsc = usb_free_cgpu(bflsc);
return NULL;
}
static void bflsc_detect(bool __maybe_unused hotplug)
{
usb_detect(&bflsc_drv, bflsc_detect_one);
}
static void get_bflsc_statline_before(char *buf, size_t bufsiz, struct cgpu_info *bflsc)
{
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
float temp = 0;
float vcc2 = 0;
int i;
rd_lock(&(sc_info->stat_lock));
for (i = 0; i < sc_info->sc_count; i++) {
if (sc_info->sc_devs[i].temp1 > temp)
temp = sc_info->sc_devs[i].temp1;
if (sc_info->sc_devs[i].temp2 > temp)
temp = sc_info->sc_devs[i].temp2;
if (sc_info->sc_devs[i].vcc2 > vcc2)
vcc2 = sc_info->sc_devs[i].vcc2;
}
rd_unlock(&(sc_info->stat_lock));
tailsprintf(buf, bufsiz, "max%3.0fC %4.2fV", temp, vcc2);
}
static void flush_one_dev(struct cgpu_info *bflsc, int dev)
{
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
struct work *work, *tmp;
bool did = false;
bflsc_send_flush_work(bflsc, dev);
rd_lock(&bflsc->qlock);
HASH_ITER(hh, bflsc->queued_work, work, tmp) {
if (work->subid == dev) {
// devflag is used to flag stale work
work->devflag = true;
did = true;
}
}
rd_unlock(&bflsc->qlock);
if (did) {
wr_lock(&(sc_info->stat_lock));
sc_info->sc_devs[dev].flushed = true;
sc_info->sc_devs[dev].flush_id = sc_info->sc_devs[dev].result_id;
sc_info->sc_devs[dev].work_queued = 0;
wr_unlock(&(sc_info->stat_lock));
}
}
static void bflsc_flush_work(struct cgpu_info *bflsc)
{
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
int dev;
for (dev = 0; dev < sc_info->sc_count; dev++)
flush_one_dev(bflsc, dev);
}
static void bflsc_set_volt(struct cgpu_info *bflsc, int dev)
{
struct bflsc_info *sc_info = (struct bflsc_info *)(bflsc->device_data);
char buf[BFLSC_BUFSIZ+1];
char msg[16];
int err, amount;
bool sent;
// Device is gone
if (bflsc->usbinfo.nodev)