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driver-avalon2.c
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driver-avalon2.c
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/*
* Copyright 2013-2015 Con Kolivas <kernel@kolivas.org>
* Copyright 2012-2014 Xiangfu <xiangfu@openmobilefree.com>
* 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 <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <sys/time.h>
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#ifndef WIN32
#include <termios.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
#else
#include <io.h>
#endif
#include "elist.h"
#include "miner.h"
#include "fpgautils.h"
#include "driver-avalon2.h"
#include "crc.h"
#include "sha2.h"
#define ASSERT1(condition) __maybe_unused static char sizeof_uint32_t_must_be_4[(condition)?1:-1]
ASSERT1(sizeof(uint32_t) == 4);
#define get_fan_pwm(v) (AVA2_PWM_MAX - (v) * AVA2_PWM_MAX / 100)
int opt_avalon2_freq_min;
int opt_avalon2_freq_max;
int opt_avalon2_fan_min = AVA2_DEFAULT_FAN_MIN;
int opt_avalon2_fan_max = AVA2_DEFAULT_FAN_MAX;
static int avalon2_fan_min = get_fan_pwm(AVA2_DEFAULT_FAN_MIN);
static int avalon2_fan_max = get_fan_pwm(AVA2_DEFAULT_FAN_MAX);
int opt_avalon2_voltage_min;
int opt_avalon2_voltage_max;
int opt_avalon2_overheat = AVALON2_TEMP_OVERHEAT;
int opt_avalon2_polling_delay = AVALON2_DEFAULT_POLLING_DELAY;
enum avalon2_fan_fixed opt_avalon2_fan_fixed = FAN_AUTO;
#define UNPACK32(x, str) \
{ \
*((str) + 3) = (uint8_t) ((x) ); \
*((str) + 2) = (uint8_t) ((x) >> 8); \
*((str) + 1) = (uint8_t) ((x) >> 16); \
*((str) + 0) = (uint8_t) ((x) >> 24); \
}
static void sha256_prehash(const unsigned char *message, unsigned int len, unsigned char *digest)
{
sha256_ctx ctx;
int i;
sha256_init(&ctx);
sha256_update(&ctx, message, len);
for (i = 0; i < 8; i++) {
UNPACK32(ctx.h[i], &digest[i << 2]);
}
}
static inline uint8_t rev8(uint8_t d)
{
int i;
uint8_t out = 0;
/* (from left to right) */
for (i = 0; i < 8; i++)
if (d & (1 << i))
out |= (1 << (7 - i));
return out;
}
char *set_avalon2_fan(char *arg)
{
int val1, val2, ret;
ret = sscanf(arg, "%d-%d", &val1, &val2);
if (ret < 1)
return "No values passed to avalon2-fan";
if (ret == 1)
val2 = val1;
if (val1 < 0 || val1 > 100 || val2 < 0 || val2 > 100 || val2 < val1)
return "Invalid value passed to avalon2-fan";
opt_avalon2_fan_min = val1;
opt_avalon2_fan_max = val2;
avalon2_fan_min = get_fan_pwm(val1);
avalon2_fan_max = get_fan_pwm(val2);
return NULL;
}
char *set_avalon2_fixed_speed(enum avalon2_fan_fixed *f)
{
*f = FAN_FIXED;
return NULL;
}
char *set_avalon2_freq(char *arg)
{
int val1, val2, ret;
ret = sscanf(arg, "%d-%d", &val1, &val2);
if (ret < 1)
return "No values passed to avalon2-freq";
if (ret == 1)
val2 = val1;
if (val1 < AVA2_DEFAULT_FREQUENCY_MIN || val1 > AVA2_DEFAULT_FREQUENCY_MAX ||
val2 < AVA2_DEFAULT_FREQUENCY_MIN || val2 > AVA2_DEFAULT_FREQUENCY_MAX ||
val2 < val1)
return "Invalid value passed to avalon2-freq";
opt_avalon2_freq_min = val1;
opt_avalon2_freq_max = val2;
return NULL;
}
char *set_avalon2_voltage(char *arg)
{
int val1, val2, ret;
ret = sscanf(arg, "%d-%d", &val1, &val2);
if (ret < 1)
return "No values passed to avalon2-voltage";
if (ret == 1)
val2 = val1;
if (val1 < AVA2_DEFAULT_VOLTAGE_MIN || val1 > AVA2_DEFAULT_VOLTAGE_MAX ||
val2 < AVA2_DEFAULT_VOLTAGE_MIN || val2 > AVA2_DEFAULT_VOLTAGE_MAX ||
val2 < val1)
return "Invalid value passed to avalon2-voltage";
opt_avalon2_voltage_min = val1;
opt_avalon2_voltage_max = val2;
return NULL;
}
static int avalon2_init_pkg(struct avalon2_pkg *pkg, uint8_t type, uint8_t idx, uint8_t cnt)
{
unsigned short crc;
pkg->head[0] = AVA2_H1;
pkg->head[1] = AVA2_H2;
pkg->type = type;
pkg->idx = idx;
pkg->cnt = cnt;
crc = crc16(pkg->data, AVA2_P_DATA_LEN);
pkg->crc[0] = (crc & 0xff00) >> 8;
pkg->crc[1] = crc & 0x00ff;
return 0;
}
static int job_idcmp(uint8_t *job_id, char *pool_job_id)
{
int job_id_len;
unsigned short crc, crc_expect;
if (!pool_job_id)
return 1;
job_id_len = strlen(pool_job_id);
crc_expect = crc16((unsigned char *)pool_job_id, job_id_len);
crc = job_id[0] << 8 | job_id[1];
if (crc_expect == crc)
return 0;
applog(LOG_DEBUG, "Avalon2: job_id not match! [%04x:%04x (%s)]",
crc, crc_expect, pool_job_id);
return 1;
}
static inline int get_temp_max(struct avalon2_info *info)
{
int i;
for (i = 0; i < 2 * AVA2_DEFAULT_MODULARS; i++) {
if (info->temp_max <= info->temp[i])
info->temp_max = info->temp[i];
}
return info->temp_max;
}
static inline int get_current_temp_max(struct avalon2_info *info)
{
int i;
int t = info->temp[0];
for (i = 1; i < 2 * AVA2_DEFAULT_MODULARS; i++) {
if (info->temp[i] > t)
t = info->temp[i];
}
return t;
}
/* http://www.onsemi.com/pub_link/Collateral/ADP3208D.PDF */
static inline uint32_t encode_voltage(uint32_t v)
{
return rev8((0x78 - v / 125) << 1 | 1) << 8;
}
static inline uint32_t decode_voltage(uint32_t v)
{
return (0x78 - (rev8(v >> 8) >> 1)) * 125;
}
static void adjust_fan(struct avalon2_info *info)
{
int t;
if (opt_avalon2_fan_fixed == FAN_FIXED) {
info->fan_pct = opt_avalon2_fan_min;
info->fan_pwm = get_fan_pwm(info->fan_pct);
return;
}
t = get_current_temp_max(info);
/* TODO: Add options for temperature range and fan adjust function */
if (t < 60)
info->fan_pct = opt_avalon2_fan_min;
else if (t > 80)
info->fan_pct = opt_avalon2_fan_max;
else
info->fan_pct = (t - 60) * (opt_avalon2_fan_max - opt_avalon2_fan_min) / 20 + opt_avalon2_fan_min;
info->fan_pwm = get_fan_pwm(info->fan_pct);
}
static inline int mm_cmp_1404(struct avalon2_info *info, int modular)
{
/* <= 1404 return 1 */
char *mm_1404 = "1404";
return strncmp(info->mm_version[modular] + 2, mm_1404, 4) > 0 ? 0 : 1;
}
static inline int mm_cmp_1406(struct avalon2_info *info)
{
/* <= 1406 return 1 */
char *mm_1406 = "1406";
int i;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
if (info->enable[i] &&
strncmp(info->mm_version[i] + 2, mm_1406, 4) <= 0)
return 1;
}
return 0;
}
static int decode_pkg(struct thr_info *thr, struct avalon2_ret *ar, uint8_t *pkg)
{
struct cgpu_info *avalon2 = thr->cgpu;
struct avalon2_info *info = avalon2->device_data;
struct pool *pool, *real_pool, *pool_stratum = &info->pool;
unsigned int expected_crc;
unsigned int actual_crc;
uint32_t nonce, nonce2, miner, modular_id;
int pool_no;
uint8_t job_id[4];
int tmp;
int type = AVA2_GETS_ERROR;
memcpy((uint8_t *)ar, pkg, AVA2_READ_SIZE);
if (ar->head[0] == AVA2_H1 && ar->head[1] == AVA2_H2) {
expected_crc = crc16(ar->data, AVA2_P_DATA_LEN);
actual_crc = (ar->crc[0] & 0xff) |
((ar->crc[1] & 0xff) << 8);
type = ar->type;
applog(LOG_DEBUG, "Avalon2: %d: expected crc(%04x), actual_crc(%04x)",
type, expected_crc, actual_crc);
if (expected_crc != actual_crc)
goto out;
memcpy(&modular_id, ar->data + 28, 4);
modular_id = be32toh(modular_id);
if (modular_id > 3)
modular_id = 0;
switch(type) {
case AVA2_P_NONCE:
applog(LOG_DEBUG, "Avalon2: AVA2_P_NONCE");
memcpy(&miner, ar->data + 0, 4);
memcpy(&pool_no, ar->data + 4, 4);
memcpy(&nonce2, ar->data + 8, 4);
/* Calc time ar->data + 12 */
memcpy(&nonce, ar->data + 16, 4);
memcpy(job_id, ar->data + 20, 4);
miner = be32toh(miner);
pool_no = be32toh(pool_no);
if (miner >= AVA2_DEFAULT_MINERS ||
modular_id >= AVA2_DEFAULT_MINERS ||
pool_no >= total_pools ||
pool_no < 0) {
applog(LOG_DEBUG, "Avalon2: Wrong miner/pool/id no %d,%d,%d", miner, pool_no, modular_id);
break;
} else
info->matching_work[modular_id * AVA2_DEFAULT_MINERS + miner]++;
nonce2 = be32toh(nonce2);
nonce = be32toh(nonce);
nonce -= 0x180;
applog(LOG_DEBUG, "Avalon2: Found! %d: (%08x) (%08x)",
pool_no, nonce2, nonce);
real_pool = pool = pools[pool_no];
if (job_idcmp(job_id, pool->swork.job_id)) {
if (!job_idcmp(job_id, pool_stratum->swork.job_id)) {
applog(LOG_DEBUG, "Avalon2: Match to previous stratum! (%s)", pool_stratum->swork.job_id);
pool = pool_stratum;
} else {
applog(LOG_ERR, "Avalon2: Cannot match to any stratum! (%s)", pool->swork.job_id);
break;
}
}
if (submit_nonce2_nonce(thr, pool, real_pool, nonce2, nonce, 0))
info->failing = false;
break;
case AVA2_P_STATUS:
applog(LOG_DEBUG, "Avalon2: AVA2_P_STATUS");
memcpy(&tmp, ar->data, 4);
tmp = be32toh(tmp);
info->temp[0 + modular_id * 2] = tmp >> 16;
info->temp[1 + modular_id * 2] = tmp & 0xffff;
memcpy(&tmp, ar->data + 4, 4);
tmp = be32toh(tmp);
info->fan[0 + modular_id * 2] = tmp >> 16;
info->fan[1 + modular_id * 2] = tmp & 0xffff;
memcpy(&(info->get_frequency[modular_id]), ar->data + 8, 4);
memcpy(&(info->get_voltage[modular_id]), ar->data + 12, 4);
memcpy(&(info->local_work[modular_id]), ar->data + 16, 4);
memcpy(&(info->hw_work[modular_id]), ar->data + 20, 4);
memcpy(&(info->power_good[modular_id]), ar->data + 24, 4);
info->get_frequency[modular_id] = be32toh(info->get_frequency[modular_id]);
if (info->dev_type[modular_id] == AVA2_ID_AVA3)
info->get_frequency[modular_id] = info->get_frequency[modular_id] * 768 / 65;
info->get_voltage[modular_id] = be32toh(info->get_voltage[modular_id]);
info->local_work[modular_id] = be32toh(info->local_work[modular_id]);
info->hw_work[modular_id] = be32toh(info->hw_work[modular_id]);
info->local_works[modular_id] += info->local_work[modular_id];
info->hw_works[modular_id] += info->hw_work[modular_id];
info->get_voltage[modular_id] = decode_voltage(info->get_voltage[modular_id]);
info->power_good[modular_id] = info->power_good[modular_id] >> 24;
avalon2->temp = get_temp_max(info);
break;
case AVA2_P_ACKDETECT:
applog(LOG_DEBUG, "Avalon2: AVA2_P_ACKDETECT");
break;
case AVA2_P_ACK:
applog(LOG_DEBUG, "Avalon2: AVA2_P_ACK");
break;
case AVA2_P_NAK:
applog(LOG_DEBUG, "Avalon2: AVA2_P_NAK");
break;
default:
applog(LOG_DEBUG, "Avalon2: Unknown response");
type = AVA2_GETS_ERROR;
break;
}
}
out:
return type;
}
static inline int avalon2_gets(struct cgpu_info *avalon2, uint8_t *buf)
{
int read_amount = AVA2_READ_SIZE, ret = 0;
uint8_t *buf_back = buf;
while (true) {
int err;
do {
memset(buf, 0, read_amount);
err = usb_read(avalon2, (char *)buf, read_amount, &ret, C_AVA2_READ);
if (unlikely(err && err != LIBUSB_ERROR_TIMEOUT)) {
applog(LOG_ERR, "Avalon2: Error %d on read in avalon_gets got %d", err, ret);
return AVA2_GETS_ERROR;
}
if (likely(ret >= read_amount)) {
if (unlikely(buf_back[0] != AVA2_H1 || buf_back[1] != AVA2_H2))
return AVA2_GETS_ERROR;
return AVA2_GETS_OK;
}
buf += ret;
read_amount -= ret;
} while (ret > 0);
return AVA2_GETS_TIMEOUT;
}
}
static int avalon2_send_pkg(struct cgpu_info *avalon2, const struct avalon2_pkg *pkg)
{
int err, amount;
uint8_t buf[AVA2_WRITE_SIZE];
int nr_len = AVA2_WRITE_SIZE;
if (unlikely(avalon2->usbinfo.nodev))
return AVA2_SEND_ERROR;
memcpy(buf, pkg, AVA2_WRITE_SIZE);
err = usb_write(avalon2, (char *)buf, nr_len, &amount, C_AVA2_WRITE);
if (err || amount != nr_len) {
applog(LOG_DEBUG, "Avalon2: Send(%d)!", amount);
usb_nodev(avalon2);
return AVA2_SEND_ERROR;
}
return AVA2_SEND_OK;
}
static void avalon2_stratum_pkgs(struct cgpu_info *avalon2, struct pool *pool)
{
const int merkle_offset = 36;
struct avalon2_pkg pkg;
int i, a, b, tmp;
unsigned char target[32];
int job_id_len, n2size;
unsigned short crc;
int diff;
/* Cap maximum diff in order to still get shares */
diff = pool->swork.diff;
if (diff > 64)
diff = 64;
else if (unlikely(diff < 1))
diff = 1;
/* Send out the first stratum message STATIC */
applog(LOG_DEBUG, "Avalon2: Pool stratum message STATIC: %d, %d, %d, %d, %d",
pool->coinbase_len,
pool->nonce2_offset,
pool->n2size,
merkle_offset,
pool->merkles);
memset(pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(pool->coinbase_len);
memcpy(pkg.data, &tmp, 4);
tmp = be32toh(pool->nonce2_offset);
memcpy(pkg.data + 4, &tmp, 4);
n2size = pool->n2size >= 4 ? 4 : pool->n2size;
tmp = be32toh(n2size);
memcpy(pkg.data + 8, &tmp, 4);
tmp = be32toh(merkle_offset);
memcpy(pkg.data + 12, &tmp, 4);
tmp = be32toh(pool->merkles);
memcpy(pkg.data + 16, &tmp, 4);
tmp = be32toh(diff);
memcpy(pkg.data + 20, &tmp, 4);
tmp = be32toh((int)pool->pool_no);
memcpy(pkg.data + 24, &tmp, 4);
avalon2_init_pkg(&pkg, AVA2_P_STATIC, 1, 1);
if (avalon2_send_pkg(avalon2, &pkg))
return;
set_target(target, pool->sdiff);
memcpy(pkg.data, target, 32);
if (opt_debug) {
char *target_str;
target_str = bin2hex(target, 32);
applog(LOG_DEBUG, "Avalon2: Pool stratum target: %s", target_str);
free(target_str);
}
avalon2_init_pkg(&pkg, AVA2_P_TARGET, 1, 1);
if (avalon2_send_pkg(avalon2, &pkg))
return;
applog(LOG_DEBUG, "Avalon2: Pool stratum message JOBS_ID: %s",
pool->swork.job_id);
memset(pkg.data, 0, AVA2_P_DATA_LEN);
job_id_len = strlen(pool->swork.job_id);
crc = crc16((unsigned char *)pool->swork.job_id, job_id_len);
pkg.data[0] = (crc & 0xff00) >> 8;
pkg.data[1] = crc & 0x00ff;
avalon2_init_pkg(&pkg, AVA2_P_JOB_ID, 1, 1);
if (avalon2_send_pkg(avalon2, &pkg))
return;
if (pool->coinbase_len > AVA2_P_COINBASE_SIZE) {
int coinbase_len_posthash, coinbase_len_prehash;
uint8_t coinbase_prehash[32];
coinbase_len_prehash = pool->nonce2_offset - (pool->nonce2_offset % SHA256_BLOCK_SIZE);
coinbase_len_posthash = pool->coinbase_len - coinbase_len_prehash;
sha256_prehash(pool->coinbase, coinbase_len_prehash, coinbase_prehash);
a = (coinbase_len_posthash / AVA2_P_DATA_LEN) + 1;
b = coinbase_len_posthash % AVA2_P_DATA_LEN;
memcpy(pkg.data, coinbase_prehash, 32);
avalon2_init_pkg(&pkg, AVA2_P_COINBASE, 1, a + (b ? 1 : 0));
if (avalon2_send_pkg(avalon2, &pkg))
return;
applog(LOG_DEBUG, "Avalon2: Pool stratum message modified COINBASE: %d %d", a, b);
for (i = 1; i < a; i++) {
memcpy(pkg.data, pool->coinbase + coinbase_len_prehash + i * 32 - 32, 32);
avalon2_init_pkg(&pkg, AVA2_P_COINBASE, i + 1, a + (b ? 1 : 0));
if (avalon2_send_pkg(avalon2, &pkg))
return;
}
if (b) {
memset(pkg.data, 0, AVA2_P_DATA_LEN);
memcpy(pkg.data, pool->coinbase + coinbase_len_prehash + i * 32 - 32, b);
avalon2_init_pkg(&pkg, AVA2_P_COINBASE, i + 1, i + 1);
if (avalon2_send_pkg(avalon2, &pkg))
return;
}
} else {
a = pool->coinbase_len / AVA2_P_DATA_LEN;
b = pool->coinbase_len % AVA2_P_DATA_LEN;
applog(LOG_DEBUG, "Avalon2: Pool stratum message COINBASE: %d %d", a, b);
for (i = 0; i < a; i++) {
memcpy(pkg.data, pool->coinbase + i * 32, 32);
avalon2_init_pkg(&pkg, AVA2_P_COINBASE, i + 1, a + (b ? 1 : 0));
if (avalon2_send_pkg(avalon2, &pkg))
return;
}
if (b) {
memset(pkg.data, 0, AVA2_P_DATA_LEN);
memcpy(pkg.data, pool->coinbase + i * 32, b);
avalon2_init_pkg(&pkg, AVA2_P_COINBASE, i + 1, i + 1);
if (avalon2_send_pkg(avalon2, &pkg))
return;
}
}
b = pool->merkles;
applog(LOG_DEBUG, "Avalon2: Pool stratum message MERKLES: %d", b);
for (i = 0; i < b; i++) {
memset(pkg.data, 0, AVA2_P_DATA_LEN);
memcpy(pkg.data, pool->swork.merkle_bin[i], 32);
avalon2_init_pkg(&pkg, AVA2_P_MERKLES, i + 1, b);
if (avalon2_send_pkg(avalon2, &pkg))
return;
}
applog(LOG_DEBUG, "Avalon2: Pool stratum message HEADER: 4");
for (i = 0; i < 4; i++) {
memset(pkg.data, 0, AVA2_P_HEADER);
memcpy(pkg.data, pool->header_bin + i * 32, 32);
avalon2_init_pkg(&pkg, AVA2_P_HEADER, i + 1, 4);
if (avalon2_send_pkg(avalon2, &pkg))
return;
}
}
static void avalon2_initialise(struct cgpu_info *avalon2)
{
uint32_t ava2_data[2] = { PL2303_VALUE_LINE0, PL2303_VALUE_LINE1 };
int interface;
if (avalon2->usbinfo.nodev)
return;
interface = usb_interface(avalon2);
// Set Data Control
usb_transfer(avalon2, PL2303_VENDOR_OUT, PL2303_REQUEST_VENDOR, 8,
interface, C_VENDOR);
if (avalon2->usbinfo.nodev)
return;
usb_transfer(avalon2, PL2303_VENDOR_OUT, PL2303_REQUEST_VENDOR, 9,
interface, C_VENDOR);
if (avalon2->usbinfo.nodev)
return;
// Set Line Control
usb_transfer_data(avalon2, PL2303_CTRL_OUT, PL2303_REQUEST_LINE, PL2303_VALUE_LINE,
interface, ava2_data, PL2303_VALUE_LINE_SIZE, C_SETLINE);
if (avalon2->usbinfo.nodev)
return;
// Vendor
usb_transfer(avalon2, PL2303_VENDOR_OUT, PL2303_REQUEST_VENDOR, PL2303_VALUE_VENDOR,
interface, C_VENDOR);
if (avalon2->usbinfo.nodev)
return;
// Set More Line Control ?
usb_transfer(avalon2, PL2303_CTRL_OUT, PL2303_REQUEST_CTRL, 3, interface, C_SETLINE);
}
static struct cgpu_info *avalon2_detect_one(struct libusb_device *dev, struct usb_find_devices *found)
{
struct avalon2_info *info;
int ackdetect;
int err, amount;
int tmp, i, j, modular[AVA2_DEFAULT_MODULARS] = {};
char mm_version[AVA2_DEFAULT_MODULARS][16];
struct cgpu_info *avalon2 = usb_alloc_cgpu(&avalon2_drv, 1);
struct avalon2_pkg detect_pkg;
struct avalon2_ret ret_pkg;
if (!usb_init(avalon2, dev, found)) {
applog(LOG_ERR, "Avalon2 failed usb_init");
avalon2 = usb_free_cgpu(avalon2);
return NULL;
}
avalon2_initialise(avalon2);
for (j = 0; j < 2; j++) {
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
strcpy(mm_version[i], AVA2_MM_VERNULL);
/* Send out detect pkg */
memset(detect_pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(i);
memcpy(detect_pkg.data + 28, &tmp, 4);
avalon2_init_pkg(&detect_pkg, AVA2_P_DETECT, 1, 1);
avalon2_send_pkg(avalon2, &detect_pkg);
err = usb_read(avalon2, (char *)&ret_pkg, AVA2_READ_SIZE, &amount, C_AVA2_READ);
if (err < 0 || amount != AVA2_READ_SIZE) {
applog(LOG_DEBUG, "%s %d: Avalon2 failed usb_read with err %d amount %d",
avalon2->drv->name, avalon2->device_id, err, amount);
continue;
}
ackdetect = ret_pkg.type;
applog(LOG_DEBUG, "Avalon2 Detect ID[%d]: %d", i, ackdetect);
if (ackdetect != AVA2_P_ACKDETECT && modular[i] == 0)
continue;
modular[i] = 1;
memcpy(mm_version[i], ret_pkg.data, 15);
mm_version[i][15] = '\0';
}
}
if (!modular[0] && !modular[1] && !modular[2] && !modular[3]) {
applog(LOG_DEBUG, "Not an Avalon2 device");
usb_uninit(avalon2);
usb_free_cgpu(avalon2);
return NULL;
}
/* We have a real Avalon! */
avalon2->threads = AVA2_MINER_THREADS;
add_cgpu(avalon2);
update_usb_stats(avalon2);
applog(LOG_INFO, "%s %d: Found at %s", avalon2->drv->name, avalon2->device_id,
avalon2->device_path);
avalon2->device_data = cgcalloc(sizeof(struct avalon2_info), 1);
info = avalon2->device_data;
info->fan_pwm = get_fan_pwm(AVA2_DEFAULT_FAN_PWM);
info->temp_max = 0;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
strcpy(info->mm_version[i], mm_version[i]);
info->modulars[i] = modular[i]; /* Enable modular */
info->enable[i] = modular[i];
info->dev_type[i] = AVA2_ID_AVAX;
if (!strncmp((char *)&(info->mm_version[i]), AVA2_FW2_PREFIXSTR, 2)) {
info->dev_type[i] = AVA2_ID_AVA2;
info->set_voltage = AVA2_DEFAULT_VOLTAGE_MIN;
info->set_frequency = AVA2_DEFAULT_FREQUENCY;
}
if (!strncmp((char *)&(info->mm_version[i]), AVA2_FW3_PREFIXSTR, 2)) {
info->dev_type[i] = AVA2_ID_AVA3;
info->set_voltage = AVA2_AVA3_VOLTAGE;
info->set_frequency = AVA2_AVA3_FREQUENCY;
}
}
if (!opt_avalon2_voltage_min)
opt_avalon2_voltage_min = opt_avalon2_voltage_max = info->set_voltage;
if (!opt_avalon2_freq_min)
opt_avalon2_freq_min = opt_avalon2_freq_max = info->set_frequency;
return avalon2;
}
static inline void avalon2_detect(bool __maybe_unused hotplug)
{
usb_detect(&avalon2_drv, avalon2_detect_one);
}
static bool avalon2_prepare(struct thr_info *thr)
{
struct cgpu_info *avalon2 = thr->cgpu;
struct avalon2_info *info = avalon2->device_data;
cglock_init(&info->pool.data_lock);
return true;
}
static int polling(struct thr_info *thr, struct cgpu_info *avalon2, struct avalon2_info *info)
{
struct avalon2_pkg send_pkg;
struct avalon2_ret ar;
int i, tmp;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
if (info->modulars[i] && info->enable[i]) {
uint8_t result[AVA2_READ_SIZE];
int ret;
cgsleep_ms(opt_avalon2_polling_delay);
memset(send_pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(info->led_red[i]); /* RED LED */
memcpy(send_pkg.data + 12, &tmp, 4);
tmp = be32toh(i); /* ID */
memcpy(send_pkg.data + 28, &tmp, 4);
if (info->led_red[i] && mm_cmp_1404(info, i)) {
avalon2_init_pkg(&send_pkg, AVA2_P_TEST, 1, 1);
avalon2_send_pkg(avalon2, &send_pkg);
info->enable[i] = 0;
continue;
} else
avalon2_init_pkg(&send_pkg, AVA2_P_POLLING, 1, 1);
avalon2_send_pkg(avalon2, &send_pkg);
ret = avalon2_gets(avalon2, result);
if (ret == AVA2_GETS_OK)
decode_pkg(thr, &ar, result);
}
}
return 0;
}
static void copy_pool_stratum(struct avalon2_info *info, struct pool *pool)
{
int i;
int merkles = pool->merkles;
size_t coinbase_len = pool->coinbase_len;
struct pool *pool_stratum = &info->pool;
if (!job_idcmp((unsigned char *)pool->swork.job_id, pool_stratum->swork.job_id))
return;
cg_wlock(&pool_stratum->data_lock);
free(pool_stratum->swork.job_id);
free(pool_stratum->nonce1);
free(pool_stratum->coinbase);
pool_stratum->coinbase = cgcalloc(coinbase_len, 1);
memcpy(pool_stratum->coinbase, pool->coinbase, coinbase_len);
for (i = 0; i < pool_stratum->merkles; i++)
free(pool_stratum->swork.merkle_bin[i]);
if (merkles) {
pool_stratum->swork.merkle_bin = cgrealloc(pool_stratum->swork.merkle_bin,
sizeof(char *) * merkles + 1);
for (i = 0; i < merkles; i++) {
pool_stratum->swork.merkle_bin[i] = cgmalloc(32);
memcpy(pool_stratum->swork.merkle_bin[i], pool->swork.merkle_bin[i], 32);
}
}
pool_stratum->sdiff = pool->sdiff;
pool_stratum->coinbase_len = pool->coinbase_len;
pool_stratum->nonce2_offset = pool->nonce2_offset;
pool_stratum->n2size = pool->n2size;
pool_stratum->merkles = pool->merkles;
pool_stratum->swork.job_id = strdup(pool->swork.job_id);
pool_stratum->nonce1 = strdup(pool->nonce1);
memcpy(pool_stratum->ntime, pool->ntime, sizeof(pool_stratum->ntime));
memcpy(pool_stratum->header_bin, pool->header_bin, sizeof(pool_stratum->header_bin));
cg_wunlock(&pool_stratum->data_lock);
}
static void avalon2_update(struct cgpu_info *avalon2)
{
struct avalon2_info *info = avalon2->device_data;
struct thr_info *thr = avalon2->thr[0];
struct avalon2_pkg send_pkg;
uint32_t tmp, range, start;
struct work *work;
struct pool *pool;
applog(LOG_DEBUG, "Avalon2: New stratum: restart: %d, update: %d",
thr->work_restart, thr->work_update);
thr->work_update = false;
thr->work_restart = false;
work = get_work(thr, thr->id); /* Make sure pool is ready */
discard_work(work); /* Don't leak memory */
pool = current_pool();
if (!pool->has_stratum)
quit(1, "Avalon2: MM have to use stratum pool");
if (pool->coinbase_len > AVA2_P_COINBASE_SIZE) {
applog(LOG_INFO, "Avalon2: MM pool coinbase length(%d) is more than %d",
pool->coinbase_len, AVA2_P_COINBASE_SIZE);
if (mm_cmp_1406(info)) {
applog(LOG_ERR, "Avalon2: MM version less then 1406");
return;
}
if ((pool->coinbase_len - pool->nonce2_offset + 64) > AVA2_P_COINBASE_SIZE) {
applog(LOG_ERR, "Avalon2: MM pool modified coinbase length(%d) is more than %d",
pool->coinbase_len - pool->nonce2_offset + 64, AVA2_P_COINBASE_SIZE);
return;
}
}
if (pool->merkles > AVA2_P_MERKLES_COUNT) {
applog(LOG_ERR, "Avalon2: MM merkles have to less then %d", AVA2_P_MERKLES_COUNT);
return;
}
if (pool->n2size < 3) {
applog(LOG_ERR, "Avalon2: MM nonce2 size have to >= 3 (%d)", pool->n2size);
return;
}
cgtime(&info->last_stratum);
cg_rlock(&pool->data_lock);
info->pool_no = pool->pool_no;
copy_pool_stratum(info, pool);
avalon2_stratum_pkgs(avalon2, pool);
cg_runlock(&pool->data_lock);
/* Configuer the parameter from outside */
adjust_fan(info);
info->set_voltage = opt_avalon2_voltage_min;
info->set_frequency = opt_avalon2_freq_min;
/* Set the Fan, Voltage and Frequency */
memset(send_pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(info->fan_pwm);
memcpy(send_pkg.data, &tmp, 4);
applog(LOG_INFO, "Avalon2: Temp max: %d, Cut off temp: %d",
get_current_temp_max(info), opt_avalon2_overheat);
if (get_current_temp_max(info) >= opt_avalon2_overheat)
tmp = encode_voltage(0);
else
tmp = encode_voltage(info->set_voltage);
tmp = be32toh(tmp);
memcpy(send_pkg.data + 4, &tmp, 4);
tmp = be32toh(info->set_frequency);
memcpy(send_pkg.data + 8, &tmp, 4);
/* Configure the nonce2 offset and range */
if (pool->n2size == 3)
range = 0xffffff / (total_devices + 1);
else
range = 0xffffffff / (total_devices + 1);
start = range * (avalon2->device_id + 1);
tmp = be32toh(start);
memcpy(send_pkg.data + 12, &tmp, 4);
tmp = be32toh(range);
memcpy(send_pkg.data + 16, &tmp, 4);
/* Package the data */
avalon2_init_pkg(&send_pkg, AVA2_P_SET, 1, 1);
avalon2_send_pkg(avalon2, &send_pkg);
}
static int64_t avalon2_scanhash(struct thr_info *thr)
{
struct timeval current_stratum;
struct cgpu_info *avalon2 = thr->cgpu;
struct avalon2_info *info = avalon2->device_data;
int stdiff;
int64_t h;
int i;
if (unlikely(avalon2->usbinfo.nodev)) {
applog(LOG_ERR, "%s %d: Device disappeared, shutting down thread",
avalon2->drv->name, avalon2->device_id);
return -1;
}
/* Stop polling the device if there is no stratum in 3 minutes, network is down */
cgtime(¤t_stratum);
if (tdiff(¤t_stratum, &(info->last_stratum)) > (double)(3.0 * 60.0))
return 0;
polling(thr, avalon2, info);
stdiff = share_work_tdiff(avalon2);
if (unlikely(info->failing)) {
if (stdiff > 120) {
applog(LOG_ERR, "%s %d: No valid shares for over 2 minutes, shutting down thread",
avalon2->drv->name, avalon2->device_id);
return -1;
}
} else if (stdiff > 60) {
applog(LOG_ERR, "%s %d: No valid shares for over 1 minute, issuing a USB reset",
avalon2->drv->name, avalon2->device_id);
usb_reset(avalon2);
info->failing = true;
}
h = 0;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
h += info->enable[i] ? (info->local_work[i] - info->hw_work[i]) : 0;
}
return h * 0xffffffff;
}
static struct api_data *avalon2_api_stats(struct cgpu_info *cgpu)
{
struct api_data *root = NULL;
struct avalon2_info *info = cgpu->device_data;
int i, j, a, b;
char buf[24];
double hwp;
int minerindex, minercount;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
if(info->dev_type[i] == AVA2_ID_AVAX)
continue;
sprintf(buf, "ID%d MM Version", i + 1);
root = api_add_string(root, buf, (char *)&(info->mm_version[i]), false);
}
minerindex = 0;
minercount = 0;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
if (info->dev_type[i] == AVA2_ID_AVAX) {
minerindex += AVA2_DEFAULT_MINERS;
continue;
}
if (info->dev_type[i] == AVA2_ID_AVA2)
minercount = AVA2_DEFAULT_MINERS;
if (info->dev_type[i] == AVA2_ID_AVA3)
minercount = AVA2_AVA3_MINERS;
for (j = minerindex; j < (minerindex + minercount); j++) {
sprintf(buf, "Match work count%02d", j+1);
root = api_add_int(root, buf, &(info->matching_work[j]), false);
}
minerindex += AVA2_DEFAULT_MINERS;
}
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
if(info->dev_type[i] == AVA2_ID_AVAX)
continue;
sprintf(buf, "Local works%d", i + 1);
root = api_add_int(root, buf, &(info->local_works[i]), false);
}