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driver-hashfast.c
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/*
* Copyright 2013 Con Kolivas <[email protected]>
* Copyright 2013 Hashfast Inc.
*
* 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 <stdbool.h>
#include <math.h>
#include "miner.h"
#include "usbutils.h"
#include "driver-hashfast.h"
int opt_hfa_ntime_roll = 1;
int opt_hfa_hash_clock = HFA_CLOCK_DEFAULT;
int opt_hfa_overheat = HFA_OVERHEAT_DEFAULT;
bool opt_hfa_pll_bypass;
bool opt_hfa_dfu_boot;
////////////////////////////////////////////////////////////////////////////////
// Support for the CRC's used in header (CRC-8) and packet body (CRC-32)
////////////////////////////////////////////////////////////////////////////////
#define GP8 0x107 /* x^8 + x^2 + x + 1 */
#define DI8 0x07
static bool hfa_crc8_set;
static unsigned char crc8_table[256]; /* CRC-8 table */
static void hfa_init_crc8(void)
{
int i,j;
unsigned char crc;
hfa_crc8_set = true;
for (i = 0; i < 256; i++) {
crc = i;
for (j = 0; j < 8; j++)
crc = (crc << 1) ^ ((crc & 0x80) ? DI8 : 0);
crc8_table[i] = crc & 0xFF;
}
}
static unsigned char hfa_crc8(unsigned char *h)
{
int i;
unsigned char crc;
h++; // Preamble not included
for (i = 1, crc = 0xff; i < 7; i++)
crc = crc8_table[crc ^ *h++];
return crc;
}
struct hfa_cmd {
uint8_t cmd;
char *cmd_name;
enum usb_cmds usb_cmd;
};
/* Entries in this array need to align with the actual op values specified
* in hf_protocol.h */
#define C_NULL C_MAX
static const struct hfa_cmd hfa_cmds[] = {
{OP_NULL, "OP_NULL", C_NULL}, // 0
{OP_ROOT, "OP_ROOT", C_NULL},
{OP_RESET, "OP_RESET", C_HF_RESET},
{OP_PLL_CONFIG, "OP_PLL_CONFIG", C_HF_PLL_CONFIG},
{OP_ADDRESS, "OP_ADDRESS", C_HF_ADDRESS},
{OP_READDRESS, "OP_READDRESS", C_NULL},
{OP_HIGHEST, "OP_HIGHEST", C_NULL},
{OP_BAUD, "OP_BAUD", C_HF_BAUD},
{OP_UNROOT, "OP_UNROOT", C_NULL}, // 8
{OP_HASH, "OP_HASH", C_HF_HASH},
{OP_NONCE, "OP_NONCE", C_HF_NONCE},
{OP_ABORT, "OP_ABORT", C_HF_ABORT},
{OP_STATUS, "OP_STATUS", C_HF_STATUS},
{OP_GPIO, "OP_GPIO", C_NULL},
{OP_CONFIG, "OP_CONFIG", C_HF_CONFIG},
{OP_STATISTICS, "OP_STATISTICS", C_HF_STATISTICS},
{OP_GROUP, "OP_GROUP", C_NULL}, // 16
{OP_CLOCKGATE, "OP_CLOCKGATE", C_HF_CLOCKGATE},
{OP_USB_INIT, "OP_USB_INIT", C_HF_USB_INIT}, // 18
{OP_GET_TRACE, "OP_GET_TRACE", C_NULL},
{OP_LOOPBACK_USB, "OP_LOOPBACK_USB", C_NULL},
{OP_LOOPBACK_UART, "OP_LOOPBACK_UART", C_NULL},
{OP_DFU, "OP_DFU", C_HF_DFU},
{OP_USB_SHUTDOWN, "OP_USB_SHUTDOWN", C_NULL},
{OP_DIE_STATUS, "OP_DIE_STATUS", C_HF_DIE_STATUS}, // 24
{OP_GWQ_STATUS, "OP_GWQ_STATUS", C_HF_GWQ_STATUS},
{OP_WORK_RESTART, "OP_WORK_RESTART", C_HF_WORK_RESTART},
{OP_USB_STATS1, "OP_USB_STATS1", C_NULL},
{OP_USB_GWQSTATS, "OP_USB_GWQSTATS", C_HF_GWQSTATS},
{OP_USB_NOTICE, "OP_USB_NOTICE", C_HF_NOTICE}
};
#define HF_USB_CMD_OFFSET (128 - 18)
#define HF_USB_CMD(X) (X - HF_USB_CMD_OFFSET)
/* Send an arbitrary frame, consisting of an 8 byte header and an optional
* packet body. */
static bool hfa_send_frame(struct cgpu_info *hashfast, uint8_t opcode, uint16_t hdata,
uint8_t *data, int len)
{
int tx_length, ret, amount, id = hashfast->device_id;
uint8_t packet[256];
struct hf_header *p = (struct hf_header *)packet;
bool retried = false;
p->preamble = HF_PREAMBLE;
p->operation_code = hfa_cmds[opcode].cmd;
p->chip_address = HF_GWQ_ADDRESS;
p->core_address = 0;
p->hdata = htole16(hdata);
p->data_length = len / 4;
p->crc8 = hfa_crc8(packet);
if (len)
memcpy(&packet[sizeof(struct hf_header)], data, len);
tx_length = sizeof(struct hf_header) + len;
if (unlikely(hashfast->usbinfo.nodev))
return false;
applog(LOG_DEBUG, "%s %d: Sending %s frame", hashfast->drv->name, hashfast->device_id, hfa_cmds[opcode].cmd_name);
retry:
ret = usb_write(hashfast, (char *)packet, tx_length, &amount,
hfa_cmds[opcode].usb_cmd);
if (unlikely(ret < 0 || amount != tx_length)) {
if (hashfast->usbinfo.nodev)
return false;
if (!retried) {
applog(LOG_ERR, "%s %d: hfa_send_frame: USB Send error, ret %d amount %d vs. tx_length %d, retrying",
hashfast->drv->name, id, ret, amount, tx_length);
retried = true;
goto retry;
}
applog(LOG_ERR, "%s %d: hfa_send_frame: USB Send error, ret %d amount %d vs. tx_length %d",
hashfast->drv->name, id, ret, amount, tx_length);
return false;
}
if (retried)
applog(LOG_ERR, "%s %d: hfa_send_frame: recovered OK", hashfast->drv->name, id);
return true;
}
/* Send an already assembled packet, consisting of an 8 byte header which may
* or may not be followed by a packet body. */
static bool hfa_send_packet(struct cgpu_info *hashfast, struct hf_header *h, int cmd)
{
int amount, ret, len;
if (unlikely(hashfast->usbinfo.nodev))
return false;
len = sizeof(*h) + h->data_length * 4;
ret = usb_write(hashfast, (char *)h, len, &amount, hfa_cmds[cmd].usb_cmd);
if (ret < 0 || amount != len) {
applog(LOG_WARNING, "%s %d: send_packet: %s USB Send error, ret %d amount %d vs. length %d",
hashfast->drv->name, hashfast->device_id, hfa_cmds[cmd].cmd_name, ret, amount, len);
return false;
}
return true;
}
static bool hfa_get_header(struct cgpu_info *hashfast, struct hf_header *h, uint8_t *computed_crc)
{
int amount, ret, orig_len, len, ofs = 0;
cgtimer_t ts_start;
char buf[512];
char *header;
if (unlikely(hashfast->usbinfo.nodev))
return false;
orig_len = len = sizeof(*h);
/* Read for up to 200ms till we find the first occurrence of HF_PREAMBLE
* though it should be the first byte unless we get woefully out of
* sync. */
cgtimer_time(&ts_start);
do {
cgtimer_t ts_now, ts_diff;
cgtimer_time(&ts_now);
cgtimer_sub(&ts_now, &ts_start, &ts_diff);
if (cgtimer_to_ms(&ts_diff) > 200)
return false;
if (unlikely(hashfast->usbinfo.nodev))
return false;
ret = usb_read(hashfast, buf + ofs, len, &amount, C_HF_GETHEADER);
if (unlikely(ret && ret != LIBUSB_ERROR_TIMEOUT))
return false;
ofs += amount;
header = memchr(buf, HF_PREAMBLE, ofs);
if (header) {
/* Toss any leading data we can't use */
if (header != buf) {
memmove(buf, header, ofs);
ofs -= header - buf;
}
len -= ofs;
}
} while (len > 0);
memcpy(h, header, orig_len);
*computed_crc = hfa_crc8((uint8_t *)h);
return true;
}
static bool hfa_get_data(struct cgpu_info *hashfast, char *buf, int len4)
{
int amount, ret, len = len4 * 4;
if (unlikely(hashfast->usbinfo.nodev))
return false;
ret = usb_read(hashfast, buf, len, &amount, C_HF_GETDATA);
if (ret)
return false;
if (amount != len) {
applog(LOG_WARNING, "%s %d: get_data: Strange amount returned %d vs. expected %d",
hashfast->drv->name, hashfast->device_id, amount, len);
return false;
}
return true;
}
static const char *hf_usb_init_errors[] = {
"Success",
"Reset timeout",
"Address cycle timeout",
"Clockgate operation timeout",
"Configuration operation timeout",
"Excessive core failures",
"All cores failed diagnostics",
"Too many groups configured - increase ntime roll amount",
"Chaining connections detected but secondary board(s) did not respond",
"Secondary board communication error",
"Main board 12V power is bad",
"Secondary board(s) 12V power is bad",
"Main board FPGA programming error",
"Main board FPGA SPI read timeout",
"Main board FPGA Bad magic number",
"Main board FPGA SPI write timeout",
"Main board FPGA register read/write test failed",
"ASIC core power fault",
"Dynamic baud rate change timeout",
"Address failure"
};
static bool hfa_reset(struct cgpu_info *hashfast, struct hashfast_info *info)
{
struct hf_usb_init_header usb_init[2], *hu = usb_init;
struct hf_usb_init_base *db;
struct hf_usb_init_options *ho;
int retries = 0, i;
char buf[1024];
struct hf_header *h = (struct hf_header *)buf;
uint8_t hcrc;
bool ret;
info->resets++;
/* Hash clock rate in Mhz */
if (!info->hash_clock_rate)
info->hash_clock_rate = opt_hfa_hash_clock;
info->group_ntime_roll = opt_hfa_ntime_roll;
info->core_ntime_roll = 1;
// Assemble the USB_INIT request
memset(hu, 0, sizeof(*hu));
hu->preamble = HF_PREAMBLE;
hu->operation_code = OP_USB_INIT;
hu->protocol = PROTOCOL_GLOBAL_WORK_QUEUE; // Protocol to use
// Force PLL bypass
hu->pll_bypass = opt_hfa_pll_bypass;
hu->hash_clock = info->hash_clock_rate; // Hash clock rate in Mhz
if (info->group_ntime_roll > 1 && info->core_ntime_roll) {
ho = (struct hf_usb_init_options *)(hu + 1);
memset(ho, 0, sizeof(*ho));
ho->group_ntime_roll = info->group_ntime_roll;
ho->core_ntime_roll = info->core_ntime_roll;
hu->data_length = sizeof(*ho) / 4;
}
hu->crc8 = hfa_crc8((uint8_t *)hu);
applog(LOG_INFO, "%s %d: Sending OP_USB_INIT with GWQ protocol specified",
hashfast->drv->name, hashfast->device_id);
resend:
if (unlikely(hashfast->usbinfo.nodev))
return false;
if (!hfa_send_packet(hashfast, (struct hf_header *)hu, HF_USB_CMD(OP_USB_INIT)))
return false;
// Check for the correct response.
// We extend the normal timeout - a complete device initialization, including
// bringing power supplies up from standby, etc., can take over a second.
tryagain:
for (i = 0; i < 10; i++) {
ret = hfa_get_header(hashfast, h, &hcrc);
if (unlikely(hashfast->usbinfo.nodev))
return false;
if (ret)
break;
}
if (!ret) {
if (retries++ < 3)
goto resend;
applog(LOG_WARNING, "%s %d: OP_USB_INIT failed!", hashfast->drv->name, hashfast->device_id);
return false;
}
if (h->crc8 != hcrc) {
applog(LOG_WARNING, "%s %d: OP_USB_INIT failed! CRC mismatch", hashfast->drv->name, hashfast->device_id);
return false;
}
if (h->operation_code != OP_USB_INIT) {
// This can happen if valid packet(s) were in transit *before* the OP_USB_INIT arrived
// at the device, so we just toss the packets and keep looking for the response.
applog(LOG_WARNING, "%s %d: OP_USB_INIT: Tossing packet, valid but unexpected type %d",
hashfast->drv->name, hashfast->device_id, h->operation_code);
hfa_get_data(hashfast, buf, h->data_length);
if (retries++ < 3)
goto tryagain;
return false;
}
applog(LOG_DEBUG, "%s %d: Good reply to OP_USB_INIT", hashfast->drv->name, hashfast->device_id);
applog(LOG_DEBUG, "%s %d: OP_USB_INIT: %d die in chain, %d cores, device_type %d, refclk %d Mhz",
hashfast->drv->name, hashfast->device_id, h->chip_address, h->core_address, h->hdata & 0xff, (h->hdata >> 8) & 0xff);
// Save device configuration
info->asic_count = h->chip_address;
info->core_count = h->core_address;
info->device_type = (uint8_t)h->hdata;
info->ref_frequency = (uint8_t)(h->hdata >> 8);
info->hash_sequence_head = 0;
info->hash_sequence_tail = 0;
info->device_sequence_tail = 0;
if (info->asic_count == 12)
hashfast->drv->name = "HFS";
else if (info->asic_count == 4)
hashfast->drv->name = "HFB";
// Size in bytes of the core bitmap in bytes
info->core_bitmap_size = (((info->asic_count * info->core_count) + 31) / 32) * 4;
// Get the usb_init_base structure
if (!hfa_get_data(hashfast, (char *)&info->usb_init_base, U32SIZE(info->usb_init_base))) {
applog(LOG_WARNING, "%s %d: OP_USB_INIT failed! Failure to get usb_init_base data",
hashfast->drv->name, hashfast->device_id);
return false;
}
db = &info->usb_init_base;
applog(LOG_INFO, "%s %d: firmware_rev: %d.%d", hashfast->drv->name, hashfast->device_id,
(db->firmware_rev >> 8) & 0xff, db->firmware_rev & 0xff);
applog(LOG_INFO, "%s %d: hardware_rev: %d.%d", hashfast->drv->name, hashfast->device_id,
(db->hardware_rev >> 8) & 0xff, db->hardware_rev & 0xff);
applog(LOG_INFO, "%s %d: serial number: %d", hashfast->drv->name, hashfast->device_id,
db->serial_number);
applog(LOG_INFO, "%s %d: hash clockrate: %d Mhz", hashfast->drv->name, hashfast->device_id,
db->hash_clockrate);
applog(LOG_INFO, "%s %d: inflight_target: %d", hashfast->drv->name, hashfast->device_id,
db->inflight_target);
applog(LOG_INFO, "%s %d: sequence_modulus: %d", hashfast->drv->name, hashfast->device_id,
db->sequence_modulus);
info->num_sequence = db->sequence_modulus;
// Now a copy of the config data used
if (!hfa_get_data(hashfast, (char *)&info->config_data, U32SIZE(info->config_data))) {
applog(LOG_WARNING, "%s %d: OP_USB_INIT failed! Failure to get config_data",
hashfast->drv->name, hashfast->device_id);
return false;
}
// Now the core bitmap
info->core_bitmap = malloc(info->core_bitmap_size);
if (!info->core_bitmap)
quit(1, "Failed to malloc info core bitmap in hfa_reset");
if (!hfa_get_data(hashfast, (char *)info->core_bitmap, info->core_bitmap_size / 4)) {
applog(LOG_WARNING, "%s %d: OP_USB_INIT failed! Failure to get core_bitmap", hashfast->drv->name, hashfast->device_id);
return false;
}
// See if the initialization suceeded
if (db->operation_status) {
applog(LOG_WARNING, "%s %d: OP_USB_INIT failed! Operation status %d (%s)",
hashfast->drv->name, hashfast->device_id, db->operation_status,
(db->operation_status < sizeof(hf_usb_init_errors)/sizeof(hf_usb_init_errors[0])) ?
hf_usb_init_errors[db->operation_status] : "Unknown error code");
return false;
}
return true;
}
static void hfa_send_shutdown(struct cgpu_info *hashfast)
{
if (hashfast->usbinfo.nodev)
return;
hfa_send_frame(hashfast, HF_USB_CMD(OP_USB_SHUTDOWN), 0, NULL, 0);
}
static void hfa_clear_readbuf(struct cgpu_info *hashfast)
{
int amount, ret;
char buf[512];
do {
if (hashfast->usbinfo.nodev)
break;
ret = usb_read(hashfast, buf, 512, &amount, C_HF_CLEAR_READ);
} while (!ret || amount);
}
static bool hfa_detect_common(struct cgpu_info *hashfast)
{
struct hashfast_info *info;
bool ret;
info = calloc(sizeof(struct hashfast_info), 1);
if (!info)
quit(1, "Failed to calloc hashfast_info in hfa_detect_common");
hashfast->device_data = info;
/* hashfast_reset should fill in details for info */
ret = hfa_reset(hashfast, info);
if (!ret) {
hfa_send_shutdown(hashfast);
hfa_clear_readbuf(hashfast);
free(info);
hashfast->device_data = NULL;
return false;
}
if (hashfast->usbinfo.nodev)
return false;
// The per-die status array
info->die_status = calloc(info->asic_count, sizeof(struct hf_g1_die_data));
if (unlikely(!(info->die_status)))
quit(1, "Failed to calloc die_status");
// The per-die statistics array
info->die_statistics = calloc(info->asic_count, sizeof(struct hf_long_statistics));
if (unlikely(!(info->die_statistics)))
quit(1, "Failed to calloc die_statistics");
info->works = calloc(sizeof(struct work *), info->num_sequence);
if (!info->works)
quit(1, "Failed to calloc info works in hfa_detect_common");
return true;
}
static bool hfa_initialise(struct cgpu_info *hashfast)
{
int err;
if (hashfast->usbinfo.nodev)
return false;
hfa_clear_readbuf(hashfast);
err = usb_transfer(hashfast, 0, 9, 1, 0, C_ATMEL_RESET);
if (!err)
err = usb_transfer(hashfast, 0x21, 0x22, 0, 0, C_ATMEL_OPEN);
if (!err) {
uint32_t buf[2];
/* Magic sequence to reset device only really needed for windows
* but harmless on linux. */
buf[0] = 0x80250000;
buf[1] = 0x00000800;
err = usb_transfer_data(hashfast, 0x21, 0x20, 0x0000, 0, buf,
7, C_ATMEL_INIT);
}
if (err < 0) {
applog(LOG_INFO, "%s %d: Failed to open with error %s",
hashfast->drv->name, hashfast->device_id, libusb_error_name(err));
}
/* Must have transmitted init sequence sized buffer */
return (err == 7);
}
static void hfa_dfu_boot(struct cgpu_info *hashfast)
{
bool ret;
if (unlikely(hashfast->usbinfo.nodev))
return;
ret = hfa_send_frame(hashfast, HF_USB_CMD(OP_DFU), 0, NULL, 0);
applog(LOG_WARNING, "%s %d %03d:%03d DFU Boot %s", hashfast->drv->name, hashfast->device_id,
hashfast->usbinfo.bus_number, hashfast->usbinfo.device_address,
ret ? "Succeeded" : "Failed");
}
static struct cgpu_info *hfa_detect_one(libusb_device *dev, struct usb_find_devices *found)
{
struct cgpu_info *hashfast;
hashfast = usb_alloc_cgpu(&hashfast_drv, HASHFAST_MINER_THREADS);
if (!hashfast)
quit(1, "Failed to usb_alloc_cgpu hashfast");
if (!usb_init(hashfast, dev, found)) {
hashfast = usb_free_cgpu(hashfast);
return NULL;
}
hashfast->usbdev->usb_type = USB_TYPE_STD;
if (!hfa_initialise(hashfast)) {
hashfast = usb_free_cgpu(hashfast);
return NULL;
}
if (opt_hfa_dfu_boot) {
hfa_dfu_boot(hashfast);
hashfast = usb_free_cgpu(hashfast);
return NULL;
}
if (!hfa_detect_common(hashfast)) {
usb_uninit(hashfast);
hashfast = usb_free_cgpu(hashfast);
return NULL;
}
if (!add_cgpu(hashfast))
return NULL;
return hashfast;
}
static void hfa_detect(bool __maybe_unused hotplug)
{
/* Set up the CRC tables only once. */
if (!hfa_crc8_set)
hfa_init_crc8();
usb_detect(&hashfast_drv, hfa_detect_one);
}
static bool hfa_get_packet(struct cgpu_info *hashfast, struct hf_header *h)
{
uint8_t hcrc;
bool ret;
if (unlikely(hashfast->usbinfo.nodev))
return false;
ret = hfa_get_header(hashfast, h, &hcrc);
if (unlikely(!ret))
goto out;
if (unlikely(h->crc8 != hcrc)) {
applog(LOG_WARNING, "%s %d: Bad CRC %d vs %d, discarding packet",
hashfast->drv->name, hashfast->device_id, h->crc8, hcrc);
ret = false;
goto out;
}
if (h->data_length > 0)
ret = hfa_get_data(hashfast, (char *)(h + 1), h->data_length);
if (unlikely(!ret)) {
applog(LOG_WARNING, "%s %d: Failed to get data associated with header",
hashfast->drv->name, hashfast->device_id);
}
out:
return ret;
}
static void hfa_parse_gwq_status(struct cgpu_info *hashfast, struct hashfast_info *info,
struct hf_header *h)
{
struct hf_gwq_data *g = (struct hf_gwq_data *)(h + 1);
struct work *work;
applog(LOG_DEBUG, "%s %d: OP_GWQ_STATUS, device_head %4d tail %4d my tail %4d shed %3d inflight %4d",
hashfast->drv->name, hashfast->device_id, g->sequence_head, g->sequence_tail, info->hash_sequence_tail,
g->shed_count, HF_SEQUENCE_DISTANCE(info->hash_sequence_head,g->sequence_tail));
/* This is a special flag that the thermal overload has been tripped */
if (unlikely(h->core_address & 0x80)) {
applog(LOG_WARNING, "%s %d Thermal overload tripped! Resetting device",
hashfast->drv->name, hashfast->device_id);
hfa_send_shutdown(hashfast);
if (hfa_reset(hashfast, info)) {
applog(LOG_NOTICE, "%s %d: Succesfully reset, continuing operation",
hashfast->drv->name, hashfast->device_id);
return;
}
applog(LOG_WARNING, "%s %d Failed to reset device, killing off thread to allow re-hotplug",
hashfast->drv->name, hashfast->device_id);
usb_nodev(hashfast);
return;
}
mutex_lock(&info->lock);
info->raw_hashes += g->hash_count;
info->device_sequence_head = g->sequence_head;
info->device_sequence_tail = g->sequence_tail;
info->shed_count = g->shed_count;
/* Free any work that is no longer required */
while (info->device_sequence_tail != info->hash_sequence_tail) {
if (++info->hash_sequence_tail >= info->num_sequence)
info->hash_sequence_tail = 0;
if (unlikely(!(work = info->works[info->hash_sequence_tail]))) {
applog(LOG_ERR, "%s %d: Bad work sequence tail",
hashfast->drv->name, hashfast->device_id);
hashfast->shutdown = true;
break;
}
applog(LOG_DEBUG, "%s %d: Completing work on hash_sequence_tail %d",
hashfast->drv->name, hashfast->device_id, info->hash_sequence_tail);
free_work(work);
info->works[info->hash_sequence_tail] = NULL;
}
mutex_unlock(&info->lock);
}
/* Board temperature conversion */
static float board_temperature(uint16_t adc)
{
float t, r, f, b;
if (adc < 40 || adc > 650)
return((float) 0.0); // Bad count
b = 3590.0;
f = (float)adc / 1023.0;
r = 1.0 / (1.0 / f - 1.0);
t = log(r) / b;
t += 1.0 / (25.0 + 273.15);
t = 1.0 / t - 273.15;
return t;
}
static void hfa_update_die_status(struct cgpu_info *hashfast, struct hashfast_info *info,
struct hf_header *h)
{
struct hf_g1_die_data *d = (struct hf_g1_die_data *)(h + 1), *ds;
int num_included = (h->data_length * 4) / sizeof(struct hf_g1_die_data);
int i, j;
float die_temperature;
float core_voltage[6];
if (info->device_type == HFD_G1) {
// Copy in the data. They're numbered sequentially from the starting point
ds = info->die_status + h->chip_address;
for (i = 0; i < num_included; i++)
memcpy(ds++, d++, sizeof(struct hf_g1_die_data));
for (i = 0, d = &info->die_status[h->chip_address]; i < num_included; i++, d++) {
die_temperature = GN_DIE_TEMPERATURE(d->die.die_temperature);
for (j = 0; j < 6; j++)
core_voltage[j] = GN_CORE_VOLTAGE(d->die.core_voltage[j]);
applog(LOG_DEBUG, "%s %d: die %2d: OP_DIE_STATUS Temps die %.1fC board %.1fC vdd's %.2f %.2f %.2f %.2f %.2f %.2f",
hashfast->drv->name, hashfast->device_id, h->chip_address + i, die_temperature, board_temperature(d->temperature),
core_voltage[0], core_voltage[1], core_voltage[2],
core_voltage[3], core_voltage[4], core_voltage[5]);
// XXX Convert board phase currents, voltage, temperature
}
}
}
static void hfa_parse_nonce(struct thr_info *thr, struct cgpu_info *hashfast,
struct hashfast_info *info, struct hf_header *h)
{
struct hf_candidate_nonce *n = (struct hf_candidate_nonce *)(h + 1);
int i, num_nonces = h->data_length / U32SIZE(sizeof(struct hf_candidate_nonce));
applog(LOG_DEBUG, "%s %d: OP_NONCE: %2d/%2d:, num_nonces %d hdata 0x%04x",
hashfast->drv->name, hashfast->device_id, h->chip_address, h->core_address, num_nonces, h->hdata);
for (i = 0; i < num_nonces; i++, n++) {
struct work *work = NULL;
applog(LOG_DEBUG, "%s %d: OP_NONCE: %2d: %2d: ntime %2d sequence %4d nonce 0x%08x",
hashfast->drv->name, hashfast->device_id, h->chip_address, i, n->ntime & HF_NTIME_MASK, n->sequence, n->nonce);
if (n->sequence < info->usb_init_base.sequence_modulus) {
// Find the job from the sequence number
mutex_lock(&info->lock);
work = info->works[n->sequence];
mutex_unlock(&info->lock);
} else {
applog(LOG_INFO, "%s %d: OP_NONCE: Sequence out of range %4d max %4d",
hashfast->drv->name, hashfast->device_id, n->sequence, info->usb_init_base.sequence_modulus);
}
if (unlikely(!work)) {
info->no_matching_work++;
applog(LOG_INFO, "%s %d: No matching work!", hashfast->drv->name, hashfast->device_id);
} else {
applog(LOG_DEBUG, "%s %d: OP_NONCE: sequence %d: submitting nonce 0x%08x ntime %d",
hashfast->drv->name, hashfast->device_id, n->sequence, n->nonce, n->ntime & HF_NTIME_MASK);
if (submit_noffset_nonce(thr, work, n->nonce, n->ntime & HF_NTIME_MASK)) {
mutex_lock(&info->lock);
info->hash_count += 0xffffffffull * work->device_diff;
mutex_unlock(&info->lock);
}
#if 0 /* Not used */
if (unlikely(n->ntime & HF_NONCE_SEARCH)) {
/* This tells us there is another share in the
* next 128 nonces */
applog(LOG_DEBUG, "%s %d: OP_NONCE: SEARCH PROXIMITY EVENT FOUND",
hashfast->drv->name, hashfast->device_id);
}
#endif
}
}
}
static void hfa_update_die_statistics(struct hashfast_info *info, struct hf_header *h)
{
struct hf_statistics *s = (struct hf_statistics *)(h + 1);
struct hf_long_statistics *l;
// Accumulate the data
l = info->die_statistics + h->chip_address;
l->rx_header_crc += s->rx_header_crc;
l->rx_body_crc += s->rx_body_crc;
l->rx_header_timeouts += s->rx_header_timeouts;
l->rx_body_timeouts += s->rx_body_timeouts;
l->core_nonce_fifo_full += s->core_nonce_fifo_full;
l->array_nonce_fifo_full += s->array_nonce_fifo_full;
l->stats_overrun += s->stats_overrun;
}
static void hfa_update_stats1(struct cgpu_info *hashfast, struct hashfast_info *info,
struct hf_header *h)
{
struct hf_long_usb_stats1 *s1 = &info->stats1;
struct hf_usb_stats1 *sd = (struct hf_usb_stats1 *)(h + 1);
s1->usb_rx_preambles += sd->usb_rx_preambles;
s1->usb_rx_receive_byte_errors += sd->usb_rx_receive_byte_errors;
s1->usb_rx_bad_hcrc += sd->usb_rx_bad_hcrc;
s1->usb_tx_attempts += sd->usb_tx_attempts;
s1->usb_tx_packets += sd->usb_tx_packets;
s1->usb_tx_timeouts += sd->usb_tx_timeouts;
s1->usb_tx_incompletes += sd->usb_tx_incompletes;
s1->usb_tx_endpointstalled += sd->usb_tx_endpointstalled;
s1->usb_tx_disconnected += sd->usb_tx_disconnected;
s1->usb_tx_suspended += sd->usb_tx_suspended;
#if 0
/* We don't care about UART stats so they're not in our struct */
s1->uart_tx_queue_dma += sd->uart_tx_queue_dma;
s1->uart_tx_interrupts += sd->uart_tx_interrupts;
s1->uart_rx_preamble_ints += sd->uart_rx_preamble_ints;
s1->uart_rx_missed_preamble_ints += sd->uart_rx_missed_preamble_ints;
s1->uart_rx_header_done += sd->uart_rx_header_done;
s1->uart_rx_data_done += sd->uart_rx_data_done;
s1->uart_rx_bad_hcrc += sd->uart_rx_bad_hcrc;
s1->uart_rx_bad_dma += sd->uart_rx_bad_dma;
s1->uart_rx_short_dma += sd->uart_rx_short_dma;
s1->uart_rx_buffers_full += sd->uart_rx_buffers_full;
#endif
if (sd->max_tx_buffers > s1->max_tx_buffers)
s1->max_tx_buffers = sd->max_tx_buffers;
if (sd->max_rx_buffers > s1->max_rx_buffers)
s1->max_rx_buffers = sd->max_rx_buffers;
applog(LOG_DEBUG, "%s %d: OP_USB_STATS1:", hashfast->drv->name, hashfast->device_id);
applog(LOG_DEBUG, " usb_rx_preambles: %6d", sd->usb_rx_preambles);
applog(LOG_DEBUG, " usb_rx_receive_byte_errors: %6d", sd->usb_rx_receive_byte_errors);
applog(LOG_DEBUG, " usb_rx_bad_hcrc: %6d", sd->usb_rx_bad_hcrc);
applog(LOG_DEBUG, " usb_tx_attempts: %6d", sd->usb_tx_attempts);
applog(LOG_DEBUG, " usb_tx_packets: %6d", sd->usb_tx_packets);
applog(LOG_DEBUG, " usb_tx_timeouts: %6d", sd->usb_tx_timeouts);
applog(LOG_DEBUG, " usb_tx_incompletes: %6d", sd->usb_tx_incompletes);
applog(LOG_DEBUG, " usb_tx_endpointstalled: %6d", sd->usb_tx_endpointstalled);
applog(LOG_DEBUG, " usb_tx_disconnected: %6d", sd->usb_tx_disconnected);
applog(LOG_DEBUG, " usb_tx_suspended: %6d", sd->usb_tx_suspended);
#if 0
applog(LOG_DEBUG, " uart_tx_queue_dma: %6d", sd->uart_tx_queue_dma);
applog(LOG_DEBUG, " uart_tx_interrupts: %6d", sd->uart_tx_interrupts);
applog(LOG_DEBUG, " uart_rx_preamble_ints: %6d", sd->uart_rx_preamble_ints);
applog(LOG_DEBUG, " uart_rx_missed_preamble_ints: %6d", sd->uart_rx_missed_preamble_ints);
applog(LOG_DEBUG, " uart_rx_header_done: %6d", sd->uart_rx_header_done);
applog(LOG_DEBUG, " uart_rx_data_done: %6d", sd->uart_rx_data_done);
applog(LOG_DEBUG, " uart_rx_bad_hcrc: %6d", sd->uart_rx_bad_hcrc);
applog(LOG_DEBUG, " uart_rx_bad_dma: %6d", sd->uart_rx_bad_dma);
applog(LOG_DEBUG, " uart_rx_short_dma: %6d", sd->uart_rx_short_dma);
applog(LOG_DEBUG, " uart_rx_buffers_full: %6d", sd->uart_rx_buffers_full);
#endif
applog(LOG_DEBUG, " max_tx_buffers: %6d", sd->max_tx_buffers);
applog(LOG_DEBUG, " max_rx_buffers: %6d", sd->max_rx_buffers);
}
static void hfa_parse_notice(struct cgpu_info *hashfast, struct hf_header *h)
{
struct hf_usb_notice_data *d;
if (h->data_length == 0) {
applog(LOG_DEBUG, "%s %d: Received OP_USB_NOTICE with zero data length",
hashfast->drv->name, hashfast->device_id);
return;
}
d = (struct hf_usb_notice_data *)(h + 1);
/* FIXME Do something with the notification code d->extra_data here */
applog(LOG_NOTICE, "%s %d NOTICE: %s", hashfast->drv->name, hashfast->device_id, d->message);
}
static void *hfa_read(void *arg)
{
struct thr_info *thr = (struct thr_info *)arg;
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
char threadname[16];
snprintf(threadname, sizeof(threadname), "%d/%sRead", hashfast->device_id, hashfast->drv->name);
RenameThread(threadname);
while (likely(!hashfast->shutdown)) {
char buf[512];
struct hf_header *h = (struct hf_header *)buf;
bool ret = hfa_get_packet(hashfast, h);
if (unlikely(hashfast->usbinfo.nodev))
break;
if (unlikely(!ret))
continue;
switch (h->operation_code) {
case OP_GWQ_STATUS:
hfa_parse_gwq_status(hashfast, info, h);
break;
case OP_DIE_STATUS:
hfa_update_die_status(hashfast, info, h);
break;
case OP_NONCE:
hfa_parse_nonce(thr, hashfast, info, h);
break;
case OP_STATISTICS:
hfa_update_die_statistics(info, h);
break;
case OP_USB_STATS1:
hfa_update_stats1(hashfast, info, h);
break;
case OP_USB_NOTICE:
hfa_parse_notice(hashfast, h);
break;
default:
applog(LOG_WARNING, "%s %d: Unhandled operation code %d",
hashfast->drv->name, hashfast->device_id, h->operation_code);
break;
}
}
applog(LOG_DEBUG, "%s %d: Shutting down read thread", hashfast->drv->name, hashfast->device_id);
return NULL;
}
static bool hfa_prepare(struct thr_info *thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
struct timeval now;
mutex_init(&info->lock);
if (pthread_create(&info->read_thr, NULL, hfa_read, (void *)thr))
quit(1, "Failed to pthread_create read thr in hfa_prepare");
cgtime(&now);
get_datestamp(hashfast->init, sizeof(hashfast->init), &now);
hashfast->last_device_valid_work = time(NULL);
info->resets = 0;
return true;
}
/* Figure out how many jobs to send. */
static int hfa_jobs(struct cgpu_info *hashfast, struct hashfast_info *info)
{
int ret = 0;
if (unlikely(info->overheat)) {
/* Acknowledge and notify of new condition.*/
if (info->overheat < 0) {
applog(LOG_WARNING, "%s %d: Hit overheat temp, throttling!",
hashfast->drv->name, hashfast->device_id);
/* Value of 1 means acknowledged overheat */
info->overheat = 1;
}
goto out;
}
mutex_lock(&info->lock);
ret = info->usb_init_base.inflight_target - HF_SEQUENCE_DISTANCE(info->hash_sequence_head, info->device_sequence_tail);
/* Place an upper limit on how many jobs to queue to prevent sending
* more work than the device can use after a period of outage. */
if (ret > info->usb_init_base.inflight_target)
ret = info->usb_init_base.inflight_target;
mutex_unlock(&info->lock);
out:
return ret;
}
static int64_t hfa_scanwork(struct thr_info *thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
int jobs, ret, cycles = 0;
int64_t hashes;
if (unlikely(hashfast->usbinfo.nodev)) {
applog(LOG_WARNING, "%s %d: device disappeared, disabling",
hashfast->drv->name, hashfast->device_id);
return -1;
}
if (unlikely(last_getwork - hashfast->last_device_valid_work > 60)) {
applog(LOG_WARNING, "%s %d: No valid hashes for over 1 minute, attempting to reset",
hashfast->drv->name, hashfast->device_id);
if (info->hash_clock_rate > HFA_CLOCK_DEFAULT) {
info->hash_clock_rate -= 5;
if (info->hash_clock_rate < opt_hfa_hash_clock)
opt_hfa_hash_clock = info->hash_clock_rate;
applog(LOG_WARNING, "%s %d: Decreasing clock speed to %d with reset",
hashfast->drv->name, hashfast->device_id, info->hash_clock_rate);
}
ret = hfa_reset(hashfast, info);
if (!ret) {
applog(LOG_ERR, "%s %d: Failed to reset after hash failure, disabling",
hashfast->drv->name, hashfast->device_id);
return -1;
}
applog(LOG_NOTICE, "%s %d: Reset successful", hashfast->drv->name,
hashfast->device_id);
}
if (unlikely(thr->work_restart)) {
restart:
thr->work_restart = false;
ret = hfa_send_frame(hashfast, HF_USB_CMD(OP_WORK_RESTART), 0, (uint8_t *)NULL, 0);
if (unlikely(!ret)) {
ret = hfa_reset(hashfast, info);
if (unlikely(!ret)) {
applog(LOG_ERR, "%s %d: Failed to reset after write failure, disabling",
hashfast->drv->name, hashfast->device_id);
return -1;
}
}
}
jobs = hfa_jobs(hashfast, info);
/* Wait on restart_wait for up to 0.5 seconds or submit jobs as soon as
* they're required. */
while (!jobs && ++cycles < 5) {
ret = restart_wait(thr, 100);
if (unlikely(!ret))
goto restart;
jobs = hfa_jobs(hashfast, info);
}
if (jobs) {
applog(LOG_DEBUG, "%s %d: Sending %d new jobs", hashfast->drv->name, hashfast->device_id,
jobs);
}
while (jobs-- > 0) {
struct hf_hash_usb op_hash_data;
struct work *work;
uint64_t intdiff;
int i, sequence;
uint32_t *p;
/* This is a blocking function if there's no work */
work = get_work(thr, thr->id);
/* Assemble the data frame and send the OP_HASH packet */
memcpy(op_hash_data.midstate, work->midstate, sizeof(op_hash_data.midstate));
memcpy(op_hash_data.merkle_residual, work->data + 64, 4);
p = (uint32_t *)(work->data + 64 + 4);
op_hash_data.timestamp = *p++;
op_hash_data.bits = *p++;