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driver-klondike.c
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driver-klondike.c
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/*
* Copyright 2013 Andrew Smith
* Copyright 2013 Con Kolivas
* Copyright 2013 Chris Savery
*
* 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 <float.h>
#include <limits.h>
#include <pthread.h>
#include <stdint.h>
#include <stdio.h>
#include <strings.h>
#include <sys/time.h>
#include <unistd.h>
#include <math.h>
#include "config.h"
#include "compat.h"
#include "miner.h"
#include "usbutils.h"
#define K1 "K1"
#define K16 "K16"
#define K64 "K64"
static const char *msg_detect_send = "DSend";
static const char *msg_detect_reply = "DReply";
static const char *msg_send = "Send";
static const char *msg_reply = "Reply";
#define KLN_CMD_ABORT 'A'
#define KLN_CMD_CONFIG 'C'
#define KLN_CMD_ENABLE 'E'
#define KLN_CMD_IDENT 'I'
#define KLN_CMD_NONCE '='
#define KLN_CMD_STATUS 'S'
#define KLN_CMD_WORK 'W'
#define KLN_CMD_ENABLE_OFF '0'
#define KLN_CMD_ENABLE_ON '1'
#define MIDSTATE_BYTES 32
#define MERKLE_OFFSET 64
#define MERKLE_BYTES 12
#define REPLY_SIZE 15 // adequate for all types of replies
#define MAX_KLINES 1024 // unhandled reply limit
#define REPLY_WAIT_TIME 100 // poll interval for a cmd waiting it's reply
#define CMD_REPLY_RETRIES 8 // how many retries for cmds
#define MAX_WORK_COUNT 4 // for now, must be binary multiple and match firmware
#define TACH_FACTOR 87890 // fan rpm divisor
#define KLN_KILLWORK_TEMP 53.5
#define KLN_COOLED_DOWN 45.5
/*
* Work older than 5s will already be completed
* FYI it must not be possible to complete 256 work
* items this quickly on a single device -
* thus limited to 219.9GH/s per device
*/
#define OLD_WORK_MS ((int)(5 * 1000))
/*
* How many incorrect slave counts to ignore in a row
* 2 means it allows random grabage returned twice
* Until slaves are implemented, this should never occur
* so allowing 2 in a row should ignore random errros
*/
#define KLN_ISS_IGNORE 2
/*
* If the queue status hasn't been updated for this long then do it now
* 5GH/s = 859ms per full nonce range
*/
#define LATE_UPDATE_MS ((int)(2.5 * 1000))
// If 5 late updates in a row, try to reset the device
#define LATE_UPDATE_LIMIT 5
// If the reset fails sleep for 1s
#define LATE_UPDATE_SLEEP_MS 1000
// However give up after 8s
#define LATE_UPDATE_NODEV_MS ((int)(8.0 * 1000))
struct device_drv klondike_drv;
typedef struct klondike_header {
uint8_t cmd;
uint8_t dev;
uint8_t buf[REPLY_SIZE-2];
} HEADER;
#define K_2(_bytes) ((int)(_bytes[0]) + \
((int)(_bytes[1]) << 8))
#define K_4(_bytes) ((uint64_t)(_bytes[0]) + \
((uint64_t)(_bytes[1]) << 8) + \
((uint64_t)(_bytes[2]) << 16) + \
((uint64_t)(_bytes[3]) << 24))
#define K_SERIAL(_serial) K_4(_serial)
#define K_HASHCOUNT(_hashcount) K_2(_hashcount)
#define K_MAXCOUNT(_maxcount) K_2(_maxcount)
#define K_NONCE(_nonce) K_4(_nonce)
#define K_HASHCLOCK(_hashclock) K_2(_hashclock)
#define SET_HASHCLOCK(_hashclock, _value) do { \
(_hashclock)[0] = (uint8_t)((_value) & 0xff); \
(_hashclock)[1] = (uint8_t)(((_value) >> 8) & 0xff); \
} while(0)
#define KSENDHD(_add) (sizeof(uint8_t) + sizeof(uint8_t) + _add)
typedef struct klondike_id {
uint8_t cmd;
uint8_t dev;
uint8_t version;
uint8_t product[7];
uint8_t serial[4];
} IDENTITY;
typedef struct klondike_status {
uint8_t cmd;
uint8_t dev;
uint8_t state;
uint8_t chipcount;
uint8_t slavecount;
uint8_t workqc;
uint8_t workid;
uint8_t temp;
uint8_t fanspeed;
uint8_t errorcount;
uint8_t hashcount[2];
uint8_t maxcount[2];
uint8_t noise;
} WORKSTATUS;
typedef struct _worktask {
uint8_t cmd;
uint8_t dev;
uint8_t workid;
uint8_t midstate[32];
uint8_t merkle[12];
} WORKTASK;
typedef struct _workresult {
uint8_t cmd;
uint8_t dev;
uint8_t workid;
uint8_t nonce[4];
} WORKRESULT;
typedef struct klondike_cfg {
uint8_t cmd;
uint8_t dev;
uint8_t hashclock[2];
uint8_t temptarget;
uint8_t tempcritical;
uint8_t fantarget;
uint8_t pad2;
} WORKCFG;
typedef struct kline {
union {
HEADER hd;
IDENTITY id;
WORKSTATUS ws;
WORKTASK wt;
WORKRESULT wr;
WORKCFG cfg;
};
} KLINE;
#define zero_kline(_kline) memset((void *)(_kline), 0, sizeof(KLINE));
typedef struct device_info {
uint32_t noncecount;
uint32_t nextworkid;
uint16_t lasthashcount;
uint64_t totalhashcount;
uint32_t rangesize;
uint32_t *chipstats;
} DEVINFO;
typedef struct klist {
struct klist *prev;
struct klist *next;
KLINE kline;
struct timeval tv_when;
int block_seq;
bool ready;
bool working;
} KLIST;
typedef struct jobque {
int workqc;
struct timeval last_update;
bool overheat;
bool flushed;
int late_update_count;
int late_update_sequential;
} JOBQUE;
struct klondike_info {
pthread_rwlock_t stat_lock;
struct thr_info replies_thr;
cglock_t klist_lock;
KLIST *used;
KLIST *free;
int kline_count;
int used_count;
int block_seq;
KLIST *status;
DEVINFO *devinfo;
KLIST *cfg;
JOBQUE *jobque;
int noncecount;
uint64_t hashcount;
uint64_t errorcount;
uint64_t noisecount;
int incorrect_slave_sequential;
// us Delay from USB reply to being processed
double delay_count;
double delay_total;
double delay_min;
double delay_max;
struct timeval tv_last_nonce_received;
// Time from recieving one nonce to the next
double nonce_count;
double nonce_total;
double nonce_min;
double nonce_max;
int wque_size;
int wque_cleared;
bool initialised;
};
static KLIST *new_klist_set(struct cgpu_info *klncgpu)
{
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
KLIST *klist = NULL;
int i;
klist = calloc(MAX_KLINES, sizeof(*klist));
if (!klist)
quit(1, "Failed to calloc klist - when old count=%d", klninfo->kline_count);
klninfo->kline_count += MAX_KLINES;
klist[0].prev = NULL;
klist[0].next = &(klist[1]);
for (i = 1; i < MAX_KLINES-1; i++) {
klist[i].prev = &klist[i-1];
klist[i].next = &klist[i+1];
}
klist[MAX_KLINES-1].prev = &(klist[MAX_KLINES-2]);
klist[MAX_KLINES-1].next = NULL;
return klist;
}
static KLIST *allocate_kitem(struct cgpu_info *klncgpu)
{
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
KLIST *kitem = NULL;
int ran_out = 0;
char errbuf[1024];
cg_wlock(&klninfo->klist_lock);
if (klninfo->free == NULL) {
ran_out = klninfo->kline_count;
klninfo->free = new_klist_set(klncgpu);
snprintf(errbuf, sizeof(errbuf),
"%s%i: KLINE count exceeded %d, now %d",
klncgpu->drv->name, klncgpu->device_id,
ran_out, klninfo->kline_count);
}
kitem = klninfo->free;
klninfo->free = klninfo->free->next;
if (klninfo->free)
klninfo->free->prev = NULL;
kitem->next = klninfo->used;
kitem->prev = NULL;
if (kitem->next)
kitem->next->prev = kitem;
klninfo->used = kitem;
kitem->ready = false;
kitem->working = false;
memset((void *)&(kitem->kline), 0, sizeof(kitem->kline));
klninfo->used_count++;
cg_wunlock(&klninfo->klist_lock);
if (ran_out > 0)
applog(LOG_WARNING, "%s", errbuf);
return kitem;
}
static KLIST *release_kitem(struct cgpu_info *klncgpu, KLIST *kitem)
{
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
cg_wlock(&klninfo->klist_lock);
if (kitem == klninfo->used)
klninfo->used = kitem->next;
if (kitem->next)
kitem->next->prev = kitem->prev;
if (kitem->prev)
kitem->prev->next = kitem->next;
kitem->next = klninfo->free;
if (klninfo->free)
klninfo->free->prev = kitem;
kitem->prev = NULL;
klninfo->free = kitem;
klninfo->used_count--;
cg_wunlock(&klninfo->klist_lock);
return NULL;
}
static double cvtKlnToC(uint8_t temp)
{
double Rt, stein, celsius;
if (temp == 0)
return 0.0;
Rt = 1000.0 * 255.0 / (double)temp - 1000.0;
stein = log(Rt / 2200.0) / 3987.0;
stein += 1.0 / (double)(25.0 + 273.15);
celsius = (1.0 / stein) - 273.15;
// For display of bad data
if (celsius < 0.0)
celsius = 0.0;
if (celsius > 200.0)
celsius = 200.0;
return celsius;
}
static int cvtCToKln(double deg)
{
double Rt, stein, temp;
if (deg < 0.0)
deg = 0.0;
stein = 1.0 / (deg + 273.15);
stein -= 1.0 / (double)(25.0 + 273.15);
Rt = exp(stein * 3987.0) * 2200.0;
if (Rt == -1000.0)
Rt++;
temp = 1000.0 * 256.0 / (Rt + 1000.0);
if (temp > 255)
temp = 255;
if (temp < 0)
temp = 0;
return (int)temp;
}
// Change this to LOG_WARNING if you wish to always see the replies
#define READ_DEBUG LOG_DEBUG
static void display_kline(struct cgpu_info *klncgpu, KLINE *kline, const char *msg)
{
char *hexdata;
switch (kline->hd.cmd) {
case KLN_CMD_NONCE:
applog(READ_DEBUG,
"%s%i:%d %s work [%c] dev=%d workid=%d"
" nonce=0x%08x",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->wr.dev), msg, kline->wr.cmd,
(int)(kline->wr.dev),
(int)(kline->wr.workid),
(unsigned int)K_NONCE(kline->wr.nonce) - 0xC0);
break;
case KLN_CMD_STATUS:
case KLN_CMD_WORK:
case KLN_CMD_ENABLE:
case KLN_CMD_ABORT:
applog(READ_DEBUG,
"%s%i:%d %s status [%c] dev=%d chips=%d"
" slaves=%d workcq=%d workid=%d temp=%d fan=%d"
" errors=%d hashes=%d max=%d noise=%d",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->ws.dev), msg, kline->ws.cmd,
(int)(kline->ws.dev),
(int)(kline->ws.chipcount),
(int)(kline->ws.slavecount),
(int)(kline->ws.workqc),
(int)(kline->ws.workid),
(int)(kline->ws.temp),
(int)(kline->ws.fanspeed),
(int)(kline->ws.errorcount),
K_HASHCOUNT(kline->ws.hashcount),
K_MAXCOUNT(kline->ws.maxcount),
(int)(kline->ws.noise));
break;
case KLN_CMD_CONFIG:
applog(READ_DEBUG,
"%s%i:%d %s config [%c] dev=%d clock=%d"
" temptarget=%d tempcrit=%d fan=%d",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->cfg.dev), msg, kline->cfg.cmd,
(int)(kline->cfg.dev),
K_HASHCLOCK(kline->cfg.hashclock),
(int)(kline->cfg.temptarget),
(int)(kline->cfg.tempcritical),
(int)(kline->cfg.fantarget));
break;
case KLN_CMD_IDENT:
applog(READ_DEBUG,
"%s%i:%d %s info [%c] version=0x%02x prod=%.7s"
" serial=0x%08x",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->hd.dev), msg, kline->hd.cmd,
(int)(kline->id.version),
kline->id.product,
(unsigned int)K_SERIAL(kline->id.serial));
break;
default:
hexdata = bin2hex((unsigned char *)&(kline->hd.dev), REPLY_SIZE - 1);
applog(LOG_ERR,
"%s%i:%d %s [%c:%s] unknown and ignored",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->hd.dev), msg, kline->hd.cmd,
hexdata);
free(hexdata);
break;
}
}
static void display_send_kline(struct cgpu_info *klncgpu, KLINE *kline, const char *msg)
{
char *hexdata;
switch (kline->hd.cmd) {
case KLN_CMD_WORK:
applog(READ_DEBUG,
"%s%i:%d %s work [%c] dev=%d workid=0x%02x ...",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->wt.dev), msg, kline->ws.cmd,
(int)(kline->wt.dev),
(int)(kline->wt.workid));
break;
case KLN_CMD_CONFIG:
applog(READ_DEBUG,
"%s%i:%d %s config [%c] dev=%d clock=%d"
" temptarget=%d tempcrit=%d fan=%d",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->cfg.dev), msg, kline->cfg.cmd,
(int)(kline->cfg.dev),
K_HASHCLOCK(kline->cfg.hashclock),
(int)(kline->cfg.temptarget),
(int)(kline->cfg.tempcritical),
(int)(kline->cfg.fantarget));
break;
case KLN_CMD_IDENT:
case KLN_CMD_STATUS:
case KLN_CMD_ABORT:
applog(READ_DEBUG,
"%s%i:%d %s cmd [%c]",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->hd.dev), msg, kline->hd.cmd);
break;
case KLN_CMD_ENABLE:
applog(READ_DEBUG,
"%s%i:%d %s enable [%c] enable=%c",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->hd.dev), msg, kline->hd.cmd,
(char)(kline->hd.buf[0]));
break;
case KLN_CMD_NONCE:
default:
hexdata = bin2hex((unsigned char *)&(kline->hd.dev), REPLY_SIZE - 1);
applog(LOG_ERR,
"%s%i:%d %s [%c:%s] unknown/unexpected and ignored",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->hd.dev), msg, kline->hd.cmd,
hexdata);
free(hexdata);
break;
}
}
static bool SendCmd(struct cgpu_info *klncgpu, KLINE *kline, int datalen)
{
int err, amt, writ;
if (klncgpu->usbinfo.nodev)
return false;
display_send_kline(klncgpu, kline, msg_send);
writ = KSENDHD(datalen);
err = usb_write(klncgpu, (char *)kline, writ, &amt, C_REQUESTRESULTS);
if (err < 0 || amt != writ) {
applog(LOG_ERR, "%s%i:%d Cmd:%c Dev:%d, write failed (%d:%d:%d)",
klncgpu->drv->name, klncgpu->device_id,
(int)(kline->hd.dev),
kline->hd.cmd, (int)(kline->hd.dev),
writ, amt, err);
return false;
}
return true;
}
static KLIST *GetReply(struct cgpu_info *klncgpu, uint8_t cmd, uint8_t dev)
{
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
KLIST *kitem;
int retries = CMD_REPLY_RETRIES;
while (retries-- > 0 && klncgpu->shutdown == false) {
cgsleep_ms(REPLY_WAIT_TIME);
cg_rlock(&klninfo->klist_lock);
kitem = klninfo->used;
while (kitem) {
if (kitem->kline.hd.cmd == cmd &&
kitem->kline.hd.dev == dev &&
kitem->ready == true && kitem->working == false) {
kitem->working = true;
cg_runlock(&klninfo->klist_lock);
return kitem;
}
kitem = kitem->next;
}
cg_runlock(&klninfo->klist_lock);
}
return NULL;
}
static KLIST *SendCmdGetReply(struct cgpu_info *klncgpu, KLINE *kline, int datalen)
{
if (!SendCmd(klncgpu, kline, datalen))
return NULL;
return GetReply(klncgpu, kline->hd.cmd, kline->hd.dev);
}
static bool klondike_get_stats(struct cgpu_info *klncgpu)
{
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
KLIST *kitem;
KLINE kline;
int slaves, dev;
if (klncgpu->usbinfo.nodev || klninfo->status == NULL)
return false;
applog(LOG_DEBUG, "%s%i: getting status",
klncgpu->drv->name, klncgpu->device_id);
rd_lock(&(klninfo->stat_lock));
slaves = klninfo->status[0].kline.ws.slavecount;
rd_unlock(&(klninfo->stat_lock));
// loop thru devices and get status for each
for (dev = 0; dev <= slaves; dev++) {
zero_kline(&kline);
kline.hd.cmd = KLN_CMD_STATUS;
kline.hd.dev = dev;
kitem = SendCmdGetReply(klncgpu, &kline, 0);
if (kitem != NULL) {
wr_lock(&(klninfo->stat_lock));
memcpy((void *)(&(klninfo->status[dev])),
(void *)kitem,
sizeof(klninfo->status[dev]));
wr_unlock(&(klninfo->stat_lock));
kitem = release_kitem(klncgpu, kitem);
} else {
applog(LOG_ERR, "%s%i:%d failed to update stats",
klncgpu->drv->name, klncgpu->device_id, dev);
}
}
return true;
}
// TODO: this only enables the master (no slaves)
static bool kln_enable(struct cgpu_info *klncgpu)
{
KLIST *kitem;
KLINE kline;
int tries = 2;
bool ok = false;
zero_kline(&kline);
kline.hd.cmd = KLN_CMD_ENABLE;
kline.hd.dev = 0;
kline.hd.buf[0] = KLN_CMD_ENABLE_ON;
while (tries-- > 0) {
kitem = SendCmdGetReply(klncgpu, &kline, 1);
if (kitem) {
kitem = release_kitem(klncgpu, kitem);
ok = true;
break;
}
cgsleep_ms(50);
}
if (ok)
cgsleep_ms(50);
return ok;
}
static void kln_disable(struct cgpu_info *klncgpu, int dev, bool all)
{
KLINE kline;
int i;
zero_kline(&kline);
kline.hd.cmd = KLN_CMD_ENABLE;
kline.hd.buf[0] = KLN_CMD_ENABLE_OFF;
for (i = (all ? 0 : dev); i <= dev; i++) {
kline.hd.dev = i;
SendCmd(klncgpu, &kline, KSENDHD(1));
}
}
static bool klondike_init(struct cgpu_info *klncgpu)
{
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
KLIST *kitem;
KLINE kline;
int slaves, dev;
klninfo->initialised = false;
zero_kline(&kline);
kline.hd.cmd = KLN_CMD_STATUS;
kline.hd.dev = 0;
kitem = SendCmdGetReply(klncgpu, &kline, 0);
if (kitem == NULL)
return false;
slaves = kitem->kline.ws.slavecount;
if (klninfo->status == NULL) {
applog(LOG_DEBUG, "%s%i: initializing data",
klncgpu->drv->name, klncgpu->device_id);
// alloc space for status, devinfo, cfg and jobque for master and slaves
klninfo->status = calloc(slaves+1, sizeof(*(klninfo->status)));
if (unlikely(!klninfo->status))
quit(1, "Failed to calloc status array in klondke_get_stats");
klninfo->devinfo = calloc(slaves+1, sizeof(*(klninfo->devinfo)));
if (unlikely(!klninfo->devinfo))
quit(1, "Failed to calloc devinfo array in klondke_get_stats");
klninfo->cfg = calloc(slaves+1, sizeof(*(klninfo->cfg)));
if (unlikely(!klninfo->cfg))
quit(1, "Failed to calloc cfg array in klondke_get_stats");
klninfo->jobque = calloc(slaves+1, sizeof(*(klninfo->jobque)));
if (unlikely(!klninfo->jobque))
quit(1, "Failed to calloc jobque array in klondke_get_stats");
}
memcpy((void *)(&(klninfo->status[0])), (void *)kitem, sizeof(klninfo->status[0]));
kitem = release_kitem(klncgpu, kitem);
// zero init triggers read back only
zero_kline(&kline);
kline.cfg.cmd = KLN_CMD_CONFIG;
int size = 2;
// boundaries are checked by device, with valid values returned
if (opt_klondike_options != NULL) {
int hashclock;
double temptarget;
sscanf(opt_klondike_options, "%d:%lf", &hashclock, &temptarget);
SET_HASHCLOCK(kline.cfg.hashclock, hashclock);
kline.cfg.temptarget = cvtCToKln(temptarget);
kline.cfg.tempcritical = 0; // hard code for old firmware
kline.cfg.fantarget = 0xff; // hard code for old firmware
size = sizeof(kline.cfg) - 2;
}
for (dev = 0; dev <= slaves; dev++) {
kline.cfg.dev = dev;
kitem = SendCmdGetReply(klncgpu, &kline, size);
if (kitem != NULL) {
memcpy((void *)&(klninfo->cfg[dev]), kitem, sizeof(klninfo->cfg[dev]));
applog(LOG_WARNING, "%s%i:%d config (%d: Clk: %d, T:%.0lf, C:%.0lf, F:%d)",
klncgpu->drv->name, klncgpu->device_id, dev,
dev, K_HASHCLOCK(klninfo->cfg[dev].kline.cfg.hashclock),
cvtKlnToC(klninfo->cfg[dev].kline.cfg.temptarget),
cvtKlnToC(klninfo->cfg[dev].kline.cfg.tempcritical),
(int)100*klninfo->cfg[dev].kline.cfg.fantarget/256);
kitem = release_kitem(klncgpu, kitem);
}
}
klondike_get_stats(klncgpu);
klninfo->initialised = true;
for (dev = 0; dev <= slaves; dev++) {
klninfo->devinfo[dev].rangesize = ((uint64_t)1<<32) / klninfo->status[dev].kline.ws.chipcount;
klninfo->devinfo[dev].chipstats = calloc(klninfo->status[dev].kline.ws.chipcount*2 , sizeof(uint32_t));
}
bool ok = kln_enable(klncgpu);
if (!ok)
applog(LOG_ERR, "%s%i: failed to enable", klncgpu->drv->name, klncgpu->device_id);
return ok;
}
static void control_init(struct cgpu_info *klncgpu)
{
int err, interface;
if (klncgpu->usbinfo.nodev)
return;
interface = usb_interface(klncgpu);
err = usb_transfer(klncgpu, 0, 9, 1, interface, C_RESET);
applog(LOG_DEBUG, "%s%i: reset got err %d",
klncgpu->drv->name, klncgpu->device_id, err);
}
static struct cgpu_info *klondike_detect_one(struct libusb_device *dev, struct usb_find_devices *found)
{
struct cgpu_info *klncgpu = usb_alloc_cgpu(&klondike_drv, 1);
struct klondike_info *klninfo = NULL;
KLINE kline;
if (unlikely(!klncgpu))
quit(1, "Failed to calloc klncgpu in klondike_detect_one");
klninfo = calloc(1, sizeof(*klninfo));
if (unlikely(!klninfo))
quit(1, "Failed to calloc klninfo in klondke_detect_one");
klncgpu->device_data = (void *)klninfo;
klninfo->free = new_klist_set(klncgpu);
if (usb_init(klncgpu, dev, found)) {
int sent, recd, err;
KLIST kitem;
int attempts = 0;
control_init(klncgpu);
while (attempts++ < 3) {
kline.hd.cmd = KLN_CMD_IDENT;
kline.hd.dev = 0;
display_send_kline(klncgpu, &kline, msg_detect_send);
err = usb_write(klncgpu, (char *)&(kline.hd), 2, &sent, C_REQUESTRESULTS);
if (err < 0 || sent != 2) {
applog(LOG_ERR, "%s (%s) detect write failed (%d:%d)",
klncgpu->drv->dname,
klncgpu->device_path,
sent, err);
}
cgsleep_ms(REPLY_WAIT_TIME*10);
err = usb_read(klncgpu, (char *)&(kitem.kline), REPLY_SIZE, &recd, C_GETRESULTS);
if (err < 0) {
applog(LOG_ERR, "%s (%s) detect read failed (%d:%d)",
klncgpu->drv->dname,
klncgpu->device_path,
recd, err);
} else if (recd < 1) {
applog(LOG_ERR, "%s (%s) detect empty reply (%d)",
klncgpu->drv->dname,
klncgpu->device_path,
recd);
} else if (kitem.kline.hd.cmd == KLN_CMD_IDENT && kitem.kline.hd.dev == 0) {
display_kline(klncgpu, &kitem.kline, msg_detect_reply);
applog(LOG_DEBUG, "%s (%s) detect successful (%d attempt%s)",
klncgpu->drv->dname,
klncgpu->device_path,
attempts, attempts == 1 ? "" : "s");
if (!add_cgpu(klncgpu))
break;
update_usb_stats(klncgpu);
applog(LOG_DEBUG, "Klondike cgpu added");
rwlock_init(&klninfo->stat_lock);
cglock_init(&klninfo->klist_lock);
return klncgpu;
}
}
usb_uninit(klncgpu);
}
free(klninfo->free);
free(klninfo);
free(klncgpu);
return NULL;
}
static void klondike_detect(bool __maybe_unused hotplug)
{
usb_detect(&klondike_drv, klondike_detect_one);
}
static void klondike_identify(__maybe_unused struct cgpu_info *klncgpu)
{
/*
KLINE kline;
zero_kline(&kline);
kline.hd.cmd = KLN_CMD_IDENT;
kline.hd.dev = 0;
SendCmdGetReply(klncgpu, &kline, KSENDHD(0));
*/
}
static void klondike_check_nonce(struct cgpu_info *klncgpu, KLIST *kitem)
{
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
struct work *work, *look, *tmp;
KLINE *kline = &(kitem->kline);
struct timeval tv_now;
double us_diff;
uint32_t nonce = K_NONCE(kline->wr.nonce) - 0xC0;
applog(LOG_DEBUG, "%s%i:%d FOUND NONCE (%02x:%08x)",
klncgpu->drv->name, klncgpu->device_id, (int)(kline->wr.dev),
kline->wr.workid, (unsigned int)nonce);
work = NULL;
cgtime(&tv_now);
rd_lock(&(klncgpu->qlock));
HASH_ITER(hh, klncgpu->queued_work, look, tmp) {
if (ms_tdiff(&tv_now, &(look->tv_stamp)) < OLD_WORK_MS &&
(look->subid == (kline->wr.dev*256 + kline->wr.workid))) {
work = look;
break;
}
}
rd_unlock(&(klncgpu->qlock));
if (work) {
wr_lock(&(klninfo->stat_lock));
klninfo->devinfo[kline->wr.dev].noncecount++;
klninfo->noncecount++;
wr_unlock(&(klninfo->stat_lock));
applog(LOG_DEBUG, "%s%i:%d SUBMIT NONCE (%02x:%08x)",
klncgpu->drv->name, klncgpu->device_id, (int)(kline->wr.dev),
kline->wr.workid, (unsigned int)nonce);
cgtime(&tv_now);
bool ok = submit_nonce(klncgpu->thr[0], work, nonce);
applog(LOG_DEBUG, "%s%i:%d chip stats %d, %08x, %d, %d",
klncgpu->drv->name, klncgpu->device_id, (int)(kline->wr.dev),
kline->wr.dev, (unsigned int)nonce,
klninfo->devinfo[kline->wr.dev].rangesize,
klninfo->status[kline->wr.dev].kline.ws.chipcount);
klninfo->devinfo[kline->wr.dev].chipstats[(nonce / klninfo->devinfo[kline->wr.dev].rangesize) + (ok ? 0 : klninfo->status[kline->wr.dev].kline.ws.chipcount)]++;
us_diff = us_tdiff(&tv_now, &(kitem->tv_when));
if (klninfo->delay_count == 0) {
klninfo->delay_min = us_diff;
klninfo->delay_max = us_diff;
} else {
if (klninfo->delay_min > us_diff)
klninfo->delay_min = us_diff;
if (klninfo->delay_max < us_diff)
klninfo->delay_max = us_diff;
}
klninfo->delay_count++;
klninfo->delay_total += us_diff;
if (klninfo->nonce_count > 0) {
us_diff = us_tdiff(&(kitem->tv_when), &(klninfo->tv_last_nonce_received));
if (klninfo->nonce_count == 1) {
klninfo->nonce_min = us_diff;
klninfo->nonce_max = us_diff;
} else {
if (klninfo->nonce_min > us_diff)
klninfo->nonce_min = us_diff;
if (klninfo->nonce_max < us_diff)
klninfo->nonce_max = us_diff;
}
klninfo->nonce_total += us_diff;
}
klninfo->nonce_count++;
memcpy(&(klninfo->tv_last_nonce_received), &(kitem->tv_when),
sizeof(klninfo->tv_last_nonce_received));
return;
}
applog(LOG_ERR, "%s%i:%d unknown work (%02x:%08x) - ignored",
klncgpu->drv->name, klncgpu->device_id, (int)(kline->wr.dev),
kline->wr.workid, (unsigned int)nonce);
//inc_hw_errors(klncgpu->thr[0]);
}
// thread to keep looking for replies
static void *klondike_get_replies(void *userdata)
{
struct cgpu_info *klncgpu = (struct cgpu_info *)userdata;
struct klondike_info *klninfo = (struct klondike_info *)(klncgpu->device_data);
KLIST *kitem = NULL;
char *hexdata;
int err, recd, slaves, dev, isc;
bool overheat, sent;
applog(LOG_DEBUG, "%s%i: listening for replies",
klncgpu->drv->name, klncgpu->device_id);
while (klncgpu->shutdown == false) {
if (klncgpu->usbinfo.nodev)
return NULL;
if (kitem == NULL)
kitem = allocate_kitem(klncgpu);
else
memset((void *)&(kitem->kline), 0, sizeof(kitem->kline));
err = usb_read(klncgpu, (char *)&(kitem->kline), REPLY_SIZE, &recd, C_GETRESULTS);
if (err || recd != REPLY_SIZE) {
if (err != -7)
applog(LOG_ERR, "%s%i: reply err=%d amt=%d",
klncgpu->drv->name, klncgpu->device_id,
err, recd);
}
if (!err && recd == REPLY_SIZE) {
cgtime(&(kitem->tv_when));
rd_lock(&(klninfo->stat_lock));
kitem->block_seq = klninfo->block_seq;
rd_unlock(&(klninfo->stat_lock));
if (opt_log_level <= READ_DEBUG) {
hexdata = bin2hex((unsigned char *)&(kitem->kline.hd.dev), recd-1);
applog(READ_DEBUG, "%s%i:%d reply [%c:%s]",
klncgpu->drv->name, klncgpu->device_id,
(int)(kitem->kline.hd.dev),
kitem->kline.hd.cmd, hexdata);
free(hexdata);
}
// We can't check this until it's initialised
if (klninfo->initialised) {
rd_lock(&(klninfo->stat_lock));
slaves = klninfo->status[0].kline.ws.slavecount;
rd_unlock(&(klninfo->stat_lock));
if (kitem->kline.hd.dev > slaves) {
applog(LOG_ERR, "%s%i: reply [%c] has invalid dev=%d (max=%d) using 0",
klncgpu->drv->name, klncgpu->device_id,
(char)(kitem->kline.hd.cmd),
(int)(kitem->kline.hd.dev),
slaves);
/* TODO: this is rather problematic if there are slaves
* however without slaves - it should always be zero */
kitem->kline.hd.dev = 0;
} else {
wr_lock(&(klninfo->stat_lock));
klninfo->jobque[kitem->kline.hd.dev].late_update_sequential = 0;
wr_unlock(&(klninfo->stat_lock));
}
}