/*
* Copyright 2013 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 "miner.h"
#include "driver-bitfury.h"
#include "sha2.h"
/* Wait longer 1/3 longer than it would take for a full nonce range */
#define BF1WAIT 1600
#define BF1MSGSIZE 7
#define BF1INFOSIZE 14
static void bf1_empty_buffer(struct cgpu_info *bitfury)
{
char buf[512];
int amount;
do {
usb_read_once(bitfury, buf, 512, &amount, C_BF1_FLUSH);
} while (amount);
}
static bool bf1_open(struct cgpu_info *bitfury)
{
uint32_t buf[2];
int err;
bf1_empty_buffer(bitfury);
/* Magic sequence to reset device only really needed for windows but
* harmless on linux. */
buf[0] = 0x80250000;
buf[1] = 0x00000800;
err = usb_transfer(bitfury, 0, 9, 1, 0, C_ATMEL_RESET);
if (!err)
err = usb_transfer(bitfury, 0x21, 0x22, 0, 0, C_ATMEL_OPEN);
if (!err) {
err = usb_transfer_data(bitfury, 0x21, 0x20, 0x0000, 0, buf,
BF1MSGSIZE, C_ATMEL_INIT);
}
if (err < 0) {
applog(LOG_INFO, "%s %d: Failed to open with error %s", bitfury->drv->name,
bitfury->device_id, libusb_error_name(err));
}
return (err == BF1MSGSIZE);
}
static void bf1_close(struct cgpu_info *bitfury)
{
bf1_empty_buffer(bitfury);
}
static void bf1_identify(struct cgpu_info *bitfury)
{
int amount;
usb_write(bitfury, "L", 1, &amount, C_BF1_IDENTIFY);
}
static void bitfury_identify(struct cgpu_info *bitfury)
{
struct bitfury_info *info = bitfury->device_data;
switch(info->ident) {
case IDENT_BF1:
bf1_identify(bitfury);
break;
case IDENT_BXF:
default:
break;
}
}
static bool bf1_getinfo(struct cgpu_info *bitfury, struct bitfury_info *info)
{
int amount, err;
char buf[16];
err = usb_write(bitfury, "I", 1, &amount, C_BF1_REQINFO);
if (err) {
applog(LOG_INFO, "%s %d: Failed to write REQINFO",
bitfury->drv->name, bitfury->device_id);
return false;
}
err = usb_read(bitfury, buf, BF1INFOSIZE, &amount, C_BF1_GETINFO);
if (err) {
applog(LOG_INFO, "%s %d: Failed to read GETINFO",
bitfury->drv->name, bitfury->device_id);
return false;
}
if (amount != BF1INFOSIZE) {
applog(LOG_INFO, "%s %d: Getinfo received %d bytes instead of %d",
bitfury->drv->name, bitfury->device_id, amount, BF1INFOSIZE);
return false;
}
info->version = buf[1];
memcpy(&info->product, buf + 2, 8);
memcpy(&info->serial, buf + 10, 4);
applog(LOG_INFO, "%s %d: Getinfo returned version %d, product %s serial %08x", bitfury->drv->name,
bitfury->device_id, info->version, info->product, info->serial);
bf1_empty_buffer(bitfury);
return true;
}
static bool bf1_reset(struct cgpu_info *bitfury)
{
int amount, err;
char buf[16];
err = usb_write(bitfury, "R", 1, &amount, C_BF1_REQRESET);
if (err) {
applog(LOG_INFO, "%s %d: Failed to write REQRESET",
bitfury->drv->name, bitfury->device_id);
return false;
}
err = usb_read_timeout(bitfury, buf, BF1MSGSIZE, &amount, BF1WAIT,
C_BF1_GETRESET);
if (err) {
applog(LOG_INFO, "%s %d: Failed to read GETRESET",
bitfury->drv->name, bitfury->device_id);
return false;
}
if (amount != BF1MSGSIZE) {
applog(LOG_INFO, "%s %d: Getreset received %d bytes instead of %d",
bitfury->drv->name, bitfury->device_id, amount, BF1MSGSIZE);
return false;
}
applog(LOG_DEBUG, "%s %d: Getreset returned %s", bitfury->drv->name,
bitfury->device_id, buf);
bf1_empty_buffer(bitfury);
return true;
}
static bool bxf_send_msg(struct cgpu_info *bitfury, char *buf, enum usb_cmds cmd)
{
int err, amount, len;
len = strlen(buf);
applog(LOG_DEBUG, "%s %d: Sending %s", bitfury->drv->name, bitfury->device_id, buf);
err = usb_write(bitfury, buf, len, &amount, cmd);
if (err || amount != len) {
applog(LOG_WARNING, "%s %d: Error %d sending %s sent %d of %d", bitfury->drv->name,
bitfury->device_id, err, usb_cmdname(cmd), amount, len);
return false;
}
return true;
}
/* Returns the amount received only if we receive a full message, otherwise
* it returns the err value. */
static int bxf_recv_msg(struct cgpu_info *bitfury, char *buf)
{
int err, amount;
err = usb_read_nl(bitfury, buf, 512, &amount, C_BXF_READ);
if (amount)
applog(LOG_DEBUG, "%s %d: Received %s", bitfury->drv->name, bitfury->device_id, buf);
if (!err)
return amount;
return err;
}
/* Keep reading till the first timeout or error */
static void bxf_clear_buffer(struct cgpu_info *bitfury)
{
int err, retries = 0;
char buf[512];
do {
err = bxf_recv_msg(bitfury, buf);
usb_buffer_clear(bitfury);
if (err < 0)
break;
} while (retries++ < 10);
}
static bool bxf_send_flush(struct cgpu_info *bitfury)
{
char buf[8];
sprintf(buf, "flush\n");
return bxf_send_msg(bitfury, buf, C_BXF_FLUSH);
}
static bool bxf_detect_one(struct cgpu_info *bitfury, struct bitfury_info *info)
{
int err, retries = 0;
char buf[512];
if (!bxf_send_flush(bitfury))
return false;
bxf_clear_buffer(bitfury);
sprintf(buf, "version\n");
if (!bxf_send_msg(bitfury, buf, C_BXF_VERSION))
return false;
do {
err = bxf_recv_msg(bitfury, buf);
if (err < 0 && err != LIBUSB_ERROR_TIMEOUT)
return false;
if (err > 0 && !strncmp(buf, "version", 7)) {
sscanf(&buf[8], "%d.%d rev %d chips %d", &info->ver_major,
&info->ver_minor, &info->hw_rev, &info->chips);
applog(LOG_INFO, "%s %d: Version %d.%d rev %d chips %d",
bitfury->drv->name, bitfury->device_id, info->ver_major,
info->ver_minor, info->hw_rev, info->chips);
break;
}
/* Keep parsing if the buffer is full without counting it as
* a retry. */
if (usb_buffer_size(bitfury))
continue;
} while (retries++ < 10);
if (!add_cgpu(bitfury))
quit(1, "Failed to add_cgpu in bxf_detect_one");
update_usb_stats(bitfury);
applog(LOG_INFO, "%s %d: Successfully initialised %s",
bitfury->drv->name, bitfury->device_id, bitfury->device_path);
info->total_nonces = 1;
/* This unsets it to make sure it gets set on the first pass */
info->maxroll = -1;
return true;
}
static bool bf1_detect_one(struct cgpu_info *bitfury, struct bitfury_info *info)
{
if (!bf1_open(bitfury))
goto out_close;
/* Send getinfo request */
if (!bf1_getinfo(bitfury, info))
goto out_close;
/* Send reset request */
if (!bf1_reset(bitfury))
goto out_close;
bf1_identify(bitfury);
bf1_empty_buffer(bitfury);
if (!add_cgpu(bitfury))
quit(1, "Failed to add_cgpu in bf1_detect_one");
update_usb_stats(bitfury);
applog(LOG_INFO, "%s %d: Successfully initialised %s",
bitfury->drv->name, bitfury->device_id, bitfury->device_path);
/* This does not artificially raise hashrate, it simply allows the
* hashrate to adapt quickly on starting. */
info->total_nonces = 1;
return true;
out_close:
bf1_close(bitfury);
return false;
}
static bool bitfury_detect_one(struct libusb_device *dev, struct usb_find_devices *found)
{
struct cgpu_info *bitfury;
struct bitfury_info *info;
enum sub_ident ident;
bool ret = false;
bitfury = usb_alloc_cgpu(&bitfury_drv, 1);
if (!usb_init(bitfury, dev, found))
goto out;
applog(LOG_INFO, "%s %d: Found at %s", bitfury->drv->name,
bitfury->device_id, bitfury->device_path);
info = calloc(sizeof(struct bitfury_info), 1);
if (!info)
quit(1, "Failed to calloc info in bitfury_detect_one");
bitfury->device_data = info;
info->ident = ident = usb_ident(bitfury);
switch (ident) {
case IDENT_BF1:
ret = bf1_detect_one(bitfury, info);
break;
case IDENT_BXF:
ret = bxf_detect_one(bitfury, info);
break;
default:
applog(LOG_INFO, "%s %d: Unrecognised bitfury device",
bitfury->drv->name, bitfury->device_id);
break;
}
if (!ret) {
free(info);
usb_uninit(bitfury);
out:
bitfury = usb_free_cgpu(bitfury);
}
return ret;
}
static void bitfury_detect(bool __maybe_unused hotplug)
{
usb_detect(&bitfury_drv, bitfury_detect_one);
}
static void parse_bxf_submit(struct cgpu_info *bitfury, struct bitfury_info *info, char *buf)
{
struct work *match_work, *tmp, *work = NULL;
struct thr_info *thr = info->thr;
uint32_t nonce, timestamp;
int workid;
if (!sscanf(&buf[7], "%x %x %x", &nonce, &workid, ×tamp)) {
applog(LOG_WARNING, "%s %d: Failed to parse submit response",
bitfury->drv->name, bitfury->device_id);
return;
}
applog(LOG_DEBUG, "%s %d: Parsed nonce %u workid %d timestamp %u",
bitfury->drv->name, bitfury->device_id, nonce, workid, timestamp);
rd_lock(&bitfury->qlock);
HASH_ITER(hh, bitfury->queued_work, match_work, tmp) {
if (match_work->subid == workid) {
work = copy_work(match_work);
break;
}
}
rd_unlock(&bitfury->qlock);
if (!work) {
/* Discard first results from any previous run */
if (unlikely(!info->valid))
return;
applog(LOG_INFO, "%s %d: No matching work", bitfury->drv->name, bitfury->device_id);
mutex_lock(&info->lock);
info->no_matching_work++;
mutex_unlock(&info->lock);
inc_hw_errors(thr);
return;
}
info->valid = true;
set_work_ntime(work, timestamp);
if (submit_nonce(thr, work, nonce)) {
mutex_lock(&info->lock);
info->nonces++;
mutex_unlock(&info->lock);
}
free_work(work);
}
static void parse_bxf_temp(struct cgpu_info *bitfury, struct bitfury_info *info, char *buf)
{
unsigned int temp;
if (!sscanf(&buf[5], "%u", &temp)) {
applog(LOG_INFO, "%s %d: Failed to parse temperature",
bitfury->drv->name, bitfury->device_id);
return;
}
mutex_lock(&info->lock);
info->temperature = (double)temp / 10;
mutex_unlock(&info->lock);
}
static void bxf_update_work(struct cgpu_info *bitfury, struct bitfury_info *info);
static void parse_bxf_needwork(struct cgpu_info *bitfury, struct bitfury_info *info,
char *buf)
{
int needed;
if (!sscanf(&buf[9], "%d", &needed)) {
applog(LOG_INFO, "%s %d: Failed to parse needwork",
bitfury->drv->name, bitfury->device_id);
return;
}
while (needed-- > 0)
bxf_update_work(bitfury, info);
}
static void *bxf_get_results(void *userdata)
{
struct cgpu_info *bitfury = userdata;
struct bitfury_info *info = bitfury->device_data;
char threadname[24], buf[512];
snprintf(threadname, 24, "bxf_recv/%d", bitfury->device_id);
/* We operate the device at lowest diff since it's not a lot of results
* to process and gives us a better indicator of the nonce return rate
* and hardware errors. */
sprintf(buf, "target ffffffff\n");
if (!bxf_send_msg(bitfury, buf, C_BXF_TARGET))
goto out;
/* Read thread sends the first work item to get the device started
* since it will roll ntime and make work itself from there on. */
bxf_update_work(bitfury, info);
bxf_update_work(bitfury, info);
while (likely(!bitfury->shutdown)) {
char *msg;
int err;
if (unlikely(bitfury->usbinfo.nodev))
break;
err = bxf_recv_msg(bitfury, buf);
if (err < 0) {
if (err != LIBUSB_ERROR_TIMEOUT)
break;
continue;
}
if (!err)
continue;
msg = strstr(buf, "submit");
if (msg) {
parse_bxf_submit(bitfury, info, msg);
continue;
}
msg = strstr(buf, "temp");
if (msg) {
parse_bxf_temp(bitfury, info, msg);
continue;
}
msg = strstr(buf, "needwork");
if (msg) {
parse_bxf_needwork(bitfury, info, msg);
continue;
}
applog(LOG_DEBUG, "%s %d: Unrecognised string %s",
bitfury->drv->name, bitfury->device_id, buf);
}
out:
return NULL;
}
static bool bxf_prepare(struct cgpu_info *bitfury, struct bitfury_info *info)
{
mutex_init(&info->lock);
if (pthread_create(&info->read_thr, NULL, bxf_get_results, (void *)bitfury))
quit(1, "Failed to create bxf read_thr");
return true;
}
static bool bitfury_prepare(struct thr_info *thr)
{
struct cgpu_info *bitfury = thr->cgpu;
struct bitfury_info *info = bitfury->device_data;
info->thr = thr;
switch(info->ident) {
case IDENT_BXF:
return bxf_prepare(bitfury, info);
break;
case IDENT_BF1:
default:
return true;
}
}
static uint32_t decnonce(uint32_t in)
{
uint32_t out;
/* First part load */
out = (in & 0xFF) << 24; in >>= 8;
/* Byte reversal */
in = (((in & 0xaaaaaaaa) >> 1) | ((in & 0x55555555) << 1));
in = (((in & 0xcccccccc) >> 2) | ((in & 0x33333333) << 2));
in = (((in & 0xf0f0f0f0) >> 4) | ((in & 0x0f0f0f0f) << 4));
out |= (in >> 2)&0x3FFFFF;
/* Extraction */
if (in & 1) out |= (1 << 23);
if (in & 2) out |= (1 << 22);
out -= 0x800004;
return out;
}
#define BT_OFFSETS 3
const uint32_t bf_offsets[] = {-0x800000, 0, -0x400000};
static bool bitfury_checkresults(struct thr_info *thr, struct work *work, uint32_t nonce)
{
int i;
for (i = 0; i < BT_OFFSETS; i++) {
uint32_t noffset = nonce + bf_offsets[i];
if (test_nonce(work, noffset)) {
submit_tested_work(thr, work);
return true;
}
}
return false;
}
static int64_t bitfury_rate(struct bitfury_info *info)
{
double nonce_rate;
int64_t ret = 0;
info->cycles++;
info->total_nonces += info->nonces;
info->saved_nonces += info->nonces;
info->nonces = 0;
nonce_rate = (double)info->total_nonces / (double)info->cycles;
if (info->saved_nonces >= nonce_rate) {
info->saved_nonces -= nonce_rate;
ret = (double)0xffffffff * nonce_rate;
}
return ret;
}
static int64_t bf1_scan(struct thr_info *thr, struct cgpu_info *bitfury,
struct bitfury_info *info)
{
int amount, i, aged = 0, total = 0, ms_diff;
char readbuf[512], buf[45];
struct work *work, *tmp;
struct timeval tv_now;
int64_t ret = 0;
work = get_queue_work(thr, bitfury, thr->id);
if (unlikely(thr->work_restart)) {
work_completed(bitfury, work);
goto out;
}
buf[0] = 'W';
memcpy(buf + 1, work->midstate, 32);
memcpy(buf + 33, work->data + 64, 12);
/* New results may spill out from the latest work, making us drop out
* too early so read whatever we get for the first half nonce and then
* look for the results to prev work. */
cgtime(&tv_now);
ms_diff = 600 - ms_tdiff(&tv_now, &info->tv_start);
if (ms_diff > 0) {
usb_read_timeout_cancellable(bitfury, readbuf, 512, &amount, ms_diff,
C_BF1_GETRES);
total += amount;
}
/* Now look for the bulk of the previous work results, they will come
* in a batch following the first data. */
cgtime(&tv_now);
ms_diff = BF1WAIT - ms_tdiff(&tv_now, &info->tv_start);
/* If a work restart was sent, just empty the buffer. */
if (unlikely(ms_diff < 10 || thr->work_restart))
ms_diff = 10;
usb_read_once_timeout_cancellable(bitfury, readbuf + total, BF1MSGSIZE,
&amount, ms_diff, C_BF1_GETRES);
total += amount;
while (amount) {
usb_read_once_timeout(bitfury, readbuf + total, 512, &amount, 10,
C_BF1_GETRES);
total += amount;
};
/* Don't send whatever work we've stored if we got a restart */
if (unlikely(thr->work_restart))
goto out;
/* Send work */
cgtime(&work->tv_work_start);
usb_write(bitfury, buf, 45, &amount, C_BF1_REQWORK);
cgtime(&info->tv_start);
/* Get response acknowledging work */
usb_read(bitfury, buf, BF1MSGSIZE, &amount, C_BF1_GETWORK);
out:
/* Search for what work the nonce matches in order of likelihood. Last
* entry is end of result marker. */
for (i = 0; i < total - BF1MSGSIZE; i += BF1MSGSIZE) {
bool found = false;
uint32_t nonce;
/* Ignore state & switched data in results for now. */
memcpy(&nonce, readbuf + i + 3, 4);
nonce = decnonce(nonce);
rd_lock(&bitfury->qlock);
HASH_ITER(hh, bitfury->queued_work, work, tmp) {
if (bitfury_checkresults(thr, work, nonce)) {
info->nonces++;
found = true;
break;
}
}
rd_unlock(&bitfury->qlock);
if (!found) {
if (likely(info->valid))
inc_hw_errors(thr);
} else
info->valid = true;
}
cgtime(&tv_now);
/* This iterates over the hashlist finding work started more than 6
* seconds ago which equates to leaving 5 past work items in the array
* to look for results. */
wr_lock(&bitfury->qlock);
HASH_ITER(hh, bitfury->queued_work, work, tmp) {
if (tdiff(&tv_now, &work->tv_work_start) > 6.0) {
__work_completed(bitfury, work);
aged++;
}
}
wr_unlock(&bitfury->qlock);
if (aged) {
applog(LOG_DEBUG, "%s %d: Aged %d work items", bitfury->drv->name,
bitfury->device_id, aged);
}
ret = bitfury_rate(info);
if (unlikely(bitfury->usbinfo.nodev)) {
applog(LOG_WARNING, "%s %d: Device disappeared, disabling thread",
bitfury->drv->name, bitfury->device_id);
ret = -1;
}
return ret;
}
static int64_t bxf_scan(struct cgpu_info *bitfury, struct bitfury_info *info)
{
struct work *work, *tmp;
int64_t ret;
int work_id;
bxf_update_work(bitfury, info);
cgsleep_ms(600);
mutex_lock(&info->lock);
ret = bitfury_rate(info);
work_id = info->work_id;
mutex_unlock(&info->lock);
/* Keep no more than the last 5 work items in the hashlist */
wr_lock(&bitfury->qlock);
HASH_ITER(hh, bitfury->queued_work, work, tmp) {
if (work->subid + 5 < work_id)
__work_completed(bitfury, work);
}
wr_unlock(&bitfury->qlock);
if (unlikely(bitfury->usbinfo.nodev)) {
applog(LOG_WARNING, "%s %d: Device disappeared, disabling thread",
bitfury->drv->name, bitfury->device_id);
ret = -1;
}
return ret;
}
static int64_t bitfury_scanwork(struct thr_info *thr)
{
struct cgpu_info *bitfury = thr->cgpu;
struct bitfury_info *info = bitfury->device_data;
switch(info->ident) {
case IDENT_BF1:
return bf1_scan(thr, bitfury, info);
break;
case IDENT_BXF:
return bxf_scan(bitfury, info);
break;
default:
return 0;
}
}
static void bxf_send_maxroll(struct cgpu_info *bitfury, int maxroll)
{
char buf[20];
sprintf(buf, "maxroll %d\n", maxroll);
bxf_send_msg(bitfury, buf, C_BXF_MAXROLL);
}
static bool bxf_send_work(struct cgpu_info *bitfury, struct work *work)
{
char buf[512], hexwork[156];
__bin2hex(hexwork, work->data, 76);
sprintf(buf, "work %s %x\n", hexwork, work->subid);
return bxf_send_msg(bitfury, buf, C_BXF_WORK);
}
static void bxf_update_work(struct cgpu_info *bitfury, struct bitfury_info *info)
{
struct thr_info *thr = info->thr;
struct work *work;
work = get_queue_work(thr, bitfury, thr->id);
if (work->drv_rolllimit != info->maxroll) {
info->maxroll = work->drv_rolllimit;
bxf_send_maxroll(bitfury, info->maxroll);
}
mutex_lock(&info->lock);
work->subid = ++info->work_id;
mutex_unlock(&info->lock);
bxf_send_work(bitfury, work);
}
static void bitfury_flush_work(struct cgpu_info *bitfury)
{
struct bitfury_info *info = bitfury->device_data;
switch(info->ident) {
case IDENT_BXF:
bxf_send_flush(bitfury);
bxf_update_work(bitfury, info);
bxf_update_work(bitfury, info);
case IDENT_BF1:
default:
break;
}
}
static void bitfury_update_work(struct cgpu_info *bitfury)
{
struct bitfury_info *info = bitfury->device_data;
switch(info->ident) {
case IDENT_BXF:
bxf_update_work(bitfury, info);
case IDENT_BF1:
default:
break;
}
}
static struct api_data *bf1_api_stats(struct bitfury_info *info)
{
struct api_data *root = NULL;
double nonce_rate;
char serial[16];
int version;
version = info->version;
root = api_add_int(root, "Version", &version, true);
root = api_add_string(root, "Product", info->product, false);
sprintf(serial, "%08x", info->serial);
root = api_add_string(root, "Serial", serial, true);
nonce_rate = (double)info->total_nonces / (double)info->cycles;
root = api_add_double(root, "NonceRate", &nonce_rate, true);
return root;
}
static struct api_data *bxf_api_stats(struct bitfury_info *info)
{
struct api_data *root = NULL;
double nonce_rate;
char buf[32];
sprintf(buf, "%d.%d", info->ver_major, info->ver_minor);
root = api_add_string(root, "Version", buf, true);
root = api_add_int(root, "Revision", &info->hw_rev, false);
root = api_add_int(root, "Chips", &info->chips, false);
nonce_rate = (double)info->total_nonces / (double)info->cycles;
root = api_add_double(root, "NonceRate", &nonce_rate, true);
root = api_add_int(root, "NoMatchingWork", &info->no_matching_work, false);
return root;
}
static struct api_data *bitfury_api_stats(struct cgpu_info *cgpu)
{
struct bitfury_info *info = cgpu->device_data;
switch(info->ident) {
case IDENT_BF1:
return bf1_api_stats(info);
break;
case IDENT_BXF:
return bxf_api_stats(info);
break;
default:
break;
}
return NULL;
}
static void bitfury_get_statline_before(char *buf, size_t bufsiz, struct cgpu_info *cgpu)
{
struct bitfury_info *info = cgpu->device_data;
switch(info->ident) {
case IDENT_BXF:
tailsprintf(buf, bufsiz, "%3.1fC | ", info->temperature);
break;
case IDENT_BF1:
default:
tailsprintf(buf, bufsiz, " | ");
break;
}
}
static void bf1_init(struct cgpu_info *bitfury)
{
bf1_close(bitfury);
bf1_open(bitfury);
bf1_reset(bitfury);
}
static void bitfury_init(struct cgpu_info *bitfury)
{
struct bitfury_info *info = bitfury->device_data;
switch(info->ident) {
case IDENT_BF1:
bf1_init(bitfury);
break;
case IDENT_BXF:
default:
break;
}
}
static void bxf_close(struct bitfury_info *info)
{
pthread_join(info->read_thr, NULL);
mutex_destroy(&info->lock);
}
static void bitfury_shutdown(struct thr_info *thr)
{
struct cgpu_info *bitfury = thr->cgpu;
struct bitfury_info *info = bitfury->device_data;
switch(info->ident) {
case IDENT_BF1:
bf1_close(bitfury);
break;
case IDENT_BXF:
bxf_close(info);
break;
default:
break;
}
}
/* Currently hardcoded to BF1 devices */
struct device_drv bitfury_drv = {
.drv_id = DRIVER_bitfury,
.dname = "bitfury",
.name = "BF1",
.drv_detect = bitfury_detect,
.thread_prepare = bitfury_prepare,
.hash_work = &hash_driver_work,
.scanwork = bitfury_scanwork,
.flush_work = bitfury_flush_work,
.update_work = bitfury_update_work,
.get_api_stats = bitfury_api_stats,
.get_statline_before = bitfury_get_statline_before,
.reinit_device = bitfury_init,
.thread_shutdown = bitfury_shutdown,
.identify_device = bitfury_identify
};
