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;
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;
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)
len -= ofs - (header - buf);
} while (len);
memcpy(h, header, orig_len);
*computed_crc = hfa_crc8((uint8_t *)h);
return true;
}
static void hfa_set_fanspeed(struct cgpu_info *hashfast, struct hashfast_info *info,
int fandiff)
{
const uint8_t opcode = HF_USB_CMD(OP_FAN);
uint8_t packet[256];
struct hf_header *p = (struct hf_header *)packet;
const int tx_length = sizeof(struct hf_header);
uint16_t hdata;
int fandata;
info->fanspeed += fandiff;
if (info->fanspeed > opt_hfa_fan_max)
info->fanspeed = opt_hfa_fan_max;
else if (info->fanspeed < opt_hfa_fan_min)
info->fanspeed = opt_hfa_fan_min;
fandata = info->fanspeed * 255 / 100; // Fanspeed is in percent, hdata 0-255
hdata = fandata; // Use an int first to avoid overflowing uint16_t
p->preamble = HF_PREAMBLE;
p->operation_code = hfa_cmds[opcode].cmd;
p->chip_address = 0xff;
p->core_address = 1;
p->hdata = htole16(hdata);
p->data_length = 0;
p->crc8 = hfa_crc8(packet);
__hfa_send_frame(hashfast, opcode, tx_length, packet);
}
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;
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;
applog(LOG_DEBUG, "HFA %d: Sending %s frame", hashfast->device_id, hfa_cmds[opcode].cmd_name);
ret = usb_write(hashfast, (char *)packet, tx_length, &amount,
hfa_cmds[opcode].usb_cmd);
if (unlikely(ret < 0 || amount != tx_length)) {
applog(LOG_ERR, "HFA %d: hfa_send_frame: USB Send error, ret %d amount %d vs. tx_length %d",
id, ret, amount, tx_length);
return false;
}
return true;
}
int main(int argc, char *argv[])
{
struct rw_usb_state s;
struct hf_header a;
int rslt;
int sent;
/* Just needs to run once. */
hfa_init_crc8();
set_up_rw_usb(&s);
memset(&a, 0, sizeof(a));
a.preamble = HF_PREAMBLE;
a.operation_code = OP_DFU;
a.chip_address = 0x00;
a.core_address = 0;
a.hdata = 0;
a.data_length = 0;
a.crc8 = hfa_crc8((unsigned char *) &a);
rslt = libusb_bulk_transfer(s.handle, s.send_endpoint->bEndpointAddress, (unsigned char *) &a, 8, &sent, TIMEOUT);
if(rslt != 0) {
fprintf(stderr, "libusb_bulk_transfer() failed while sending: %s\n", libusb_strerror(rslt));
exit(1);
}
/* Fix: libusb_bulk_transfer() is not required to send everything at once. We expect it to
* here because of the short size, but it is not guaranteed. This should be fine for
* the moment, be we should replace it with a generic sending routine that sends
* everything once it is written. */
if(sent != 8) {
fprintf(stderr, "libusb_bulk_transfer() was asked to send %ld bytes and only sent %d.\n",
(long) sizeof(a), sent);
exit(1);
}
shut_down_rw_usb(&s);
return 0;
}
static bool hfa_send_frame(struct cgpu_info *hashfast, uint8_t opcode, uint16_t hdata,
uint8_t *data, int len)
{
uint8_t packet[256];
struct hf_header *p = (struct hf_header *)packet;
int tx_length;
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;
return (__hfa_send_frame(hashfast, opcode, tx_length, packet));
}
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;
/* Hash clock rate in Mhz */
info->hash_clock_rate = opt_hfa_hash_clock ? opt_hfa_hash_clock : 550;
info->group_ntime_roll = opt_hfa_ntime_roll ? opt_hfa_ntime_roll : 1;
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, "HFA%d: Sending OP_USB_INIT with GWQ protocol specified",
hashfast->device_id);
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 < 30; i++) {
ret = hfa_get_header(hashfast, h, &hcrc);
if (ret)
break;
}
if (!ret) {
applog(LOG_WARNING, "HFA %d: OP_USB_INIT failed!", hashfast->device_id);
return false;
}
if (h->crc8 != hcrc) {
applog(LOG_WARNING, "HFA %d: OP_USB_INIT failed! CRC mismatch", 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, "HFA %d: OP_USB_INIT: Tossing packet, valid but unexpected type %d",
hashfast->device_id, h->operation_code);
hfa_get_data(hashfast, buf, h->data_length);
if (retries++ < 3)
goto tryagain;
return false;
}
applog(LOG_DEBUG, "HFA %d: Good reply to OP_USB_INIT", hashfast->device_id);
applog(LOG_DEBUG, "HFA %d: OP_USB_INIT: %d die in chain, %d cores, device_type %d, refclk %d Mhz",
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;
// 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, "HFA %d: OP_USB_INIT failed! Failure to get usb_init_base data",
hashfast->device_id);
return false;
}
db = &info->usb_init_base;
applog(LOG_INFO, "HFA %d: firmware_rev: %d.%d", hashfast->device_id,
(db->firmware_rev >> 8) & 0xff, db->firmware_rev & 0xff);
applog(LOG_INFO, "HFA %d: hardware_rev: %d.%d", hashfast->device_id,
(db->hardware_rev >> 8) & 0xff, db->hardware_rev & 0xff);
applog(LOG_INFO, "HFA %d: serial number: %d", hashfast->device_id,
db->serial_number);
applog(LOG_INFO, "HFA %d: hash clockrate: %d Mhz", hashfast->device_id,
db->hash_clockrate);
applog(LOG_INFO, "HFA %d: inflight_target: %d", hashfast->device_id,
db->inflight_target);
applog(LOG_INFO, "HFA %d: sequence_modulus: %d", 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, "HFA %d: OP_USB_INIT failed! Failure to get config_data",
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, "HFA %d: OP_USB_INIT failed! Failure to get core_bitmap", hashfast->device_id);
return false;
}
// See if the initialization suceeded
if (db->operation_status) {
applog(LOG_WARNING, "HFA %d: OP_USB_INIT failed! Operation status %d (%s)",
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;
}
int main(int argc, char *argv[])
{
struct rw_usb_state s;
unsigned char a[64];
struct hf_header *a_ptr;
int rslt;
int sent;
int received;
unsigned char b[64];
hfparseOptsT parseOpts;
hfparseT *parse;
hfparseStatsT stats, oldStats;
memset(&parseOpts, 0, sizeof(parseOpts));
parseOpts.includeDataCRC = 0;
parseOpts.packet = packetRx;
parse = hfparseCreate(&parseOpts);
if (parse == NULL) {
fprintf(stderr, "failed to create parser\n");
exit(1);
}
memset(&oldStats, 0, sizeof(oldStats));
/* Just needs to run once. */
hfa_init_crc8();
set_up_rw_usb(&s);
memset(&a, 0, sizeof(a));
a_ptr = (struct hf_header *) a;
a_ptr->preamble = HF_PREAMBLE;
a_ptr->operation_code = OP_USB_INIT;
a_ptr->chip_address = 0x00;
a_ptr->core_address = 0x10 | 0x01;
a_ptr->hdata = 0;
a_ptr->data_length = 0;
a_ptr->crc8 = hfa_crc8((unsigned char *) &a);
rslt = libusb_bulk_transfer(s.handle, s.send_endpoint->bEndpointAddress, a, 8, &sent, 100);
if(rslt != 0) {
fprintf(stderr, "libusb_bulk_transfer() failed while sending: %s\n", libusb_strerror(rslt));
exit(1);
}
/* Fix: libusb_bulk_transfer() is not required to send everything at once. We expect it to
* here because of the short size, but it is not guaranteed. This should be fine for
* the moment, be we should replace it with a generic sending routine that sends
* everything once it is written. */
if(sent != 8) {
fprintf(stderr, "libusb_bulk_transfer() was asked to send %ld bytes and only sent %d.\n",
(long) sizeof(a), sent);
exit(1);
}
while (1) {
rslt = libusb_bulk_transfer(s.handle, s.receive_endpoint->bEndpointAddress, b, 64, &received, 100);
if (rslt == 0) {
hfparseRun(parse, b, received);
hfparseStats(parse, &stats);
if (stats.syncLoss != oldStats.syncLoss)
printf("sync loss %lu\n", stats.syncLoss);
if (stats.bytesDiscarded != oldStats.bytesDiscarded)
printf("bytes discarded %lu\n", stats.bytesDiscarded);
memcpy(&oldStats, &stats, sizeof(oldStats));
} else if (rslt != LIBUSB_ERROR_TIMEOUT) {
fprintf(stderr, "libusb_bulk_transfer returned %d\n", rslt);
break;
}
}
shut_down_rw_usb(&s);
hfparseDestroy(parse);
return 0;
}
void report_version_info(const char *prefix, uint8_t board, uint8_t type)
{
struct rw_usb_state s;
struct hf_header a;
unsigned char a_send[64];
int rslt;
int sent;
int received;
int i;
unsigned char b[64];
struct hf_header *b_ptr;
unsigned char output[BUFSIZE];
uint8_t len;
set_up_rw_usb(&s);
memset(&a, 0, sizeof(a));
a.preamble = 0xaa; /* Always this value. */
a.operation_code = OP_VERSION;
a.chip_address = board;
a.core_address = type;
a.hdata = 0;
a.data_length = 0;
a.crc8 = hfa_crc8((unsigned char *) &a);
memset(a_send, 0, sizeof(a_send));
memcpy(a_send, &a, 8);
rslt = libusb_bulk_transfer(s.handle, s.send_endpoint->bEndpointAddress, a_send, (int) 8, &sent, 1000);
if(rslt != 0) {
fprintf(stderr, "libusb_bulk_transfer() failed while sending: %s\n", libusb_strerror(rslt));
exit(1);
}
/* Fix: libusb_bulk_transfer() is not required to send everything at once. We expect it to
* here because of the short size, but it is not guaranteed. This should be fine for
* the moment, be we should replace it with a generic sending routine that sends
* everything once it is written. */
if(sent != 8) {
fprintf(stderr, "libusb_bulk_transfer() was asked to send %ld bytes and only sent %d.\n",
(long) sizeof(a), sent);
exit(1);
}
/* Fix: libusb_bulk_transfer() seems to have to be called four times
* no matter how much delay we introduce. This suggests that
* the EVK board has some bug where needs four asks before it
* will reply. */
for(received=0, i=0; received == 0 && i < 100; i++) {
memset(b, 0, sizeof(b));
/* Fix: We may receive partial reads as libusb_bulk_transfer() is
* not required to send everything at once. We expect it to
* here because of the short size, but it is not guaranteed.
* This should be fine for the moment, be we should replace
* it with a generic sending routine that sends everything
* once it is written. */
rslt = libusb_bulk_transfer(s.handle, s.receive_endpoint->bEndpointAddress, b, (int) sizeof(b), &received, 1000);
if(rslt != 0) {
fprintf(stderr, "libusb_bulk_transfer() failed while receiving: %s\n", libusb_strerror(rslt));
exit(1);
}
}
if(received == 0) {
fprintf(stderr, "Failed to receive a version reply.\n");
exit(1);
}
b_ptr = (struct hf_header *) b;
if(b_ptr->crc8 != hfa_crc8(b)) {
fprintf(stderr, "Bad CRC8 checksum on header: ");
dump_header_and_data(b, received);
fprintf(stderr, "\n");
exit(1);
}
if(b_ptr->core_address != 4) {
if(b_ptr->preamble != 0xaa ||
b_ptr->operation_code != 142 || /* Fix: OP_VERSION */
b_ptr->chip_address != board ||
b_ptr->core_address != type ||
b_ptr->hdata != 0) {
fprintf(stderr, "Unexpected header: ");
dump_header_and_data(b, received);
fprintf(stderr, "\n");
exit(1);
}
if(b_ptr->data_length*4 + 8 != received) {
fprintf(stderr, "Got back packet with mismatched length. ");
fprintf(stderr, "Received: %ld Expected: %ld\n",
(long) received,
(long) b_ptr->data_length*4 + 8);
exit(1);
}
if(b_ptr->data_length > 0) {
len = *(b + 8); /* Length byte of data. */
if(len > (4*b_ptr->data_length-1)) {
fprintf(stderr, "Length byte exceeds available data space. ");
fprintf(stderr, "Length byte: %ld Data space: %ld\n",
(long) len, (long) 4*b_ptr->data_length-1);
exit(1);
}
for(i=len + 1; i < b_ptr->data_length*4; i++)
if(*(b + 8 + i) != '\0') {
fprintf(stderr, "Extra data is not NUL.\n");
exit(1);
}
memset(output, 0, sizeof(output));
memcpy(output, b + 8 + 1, len);
*(output + 8 + 1 + len) = '\0';
printf("%s: %s\n", prefix, output);
}
else {
printf("%s, not defined\n", prefix);
}
}
else {
/* Fail return. */
if(b_ptr->crc8 != hfa_crc8(b)) {
fprintf(stderr, "Bad CRC8 checksum on header: ");
dump_header_and_data(b, received);
fprintf(stderr, "\n");
exit(1);
}
if(b_ptr->preamble != 0xaa ||
b_ptr->operation_code != 142 || /* Fix: OP_VERSION */
b_ptr->chip_address != board ||
b_ptr->core_address != 4) {
fprintf(stderr, "Unexpected fail header: ");
dump_header_and_data(b, received);
fprintf(stderr, "\n");
exit(1);
}
printf("%s, fail value %d\n", prefix, (int) b_ptr->hdata);
}
shut_down_rw_usb(&s);
}
int main()
{
struct rw_usb_state s;
struct hf_header a;
int rslt;
int sent;
int received;
int i;
unsigned char b[64];
struct hf_header *b_ptr;
int total_cores;
int total_bits;
/* Just needs to run once. */
hfa_init_crc8();
set_up_rw_usb(&s);
memset(&a, 0, sizeof(a));
a.preamble = 0xaa; /* Always this value. */
a.operation_code = 141; /* OP_CORE_MAP */ /* Fix: Get from hf_protocol.h. */
a.chip_address = 0x00;
a.core_address = 0;
a.hdata = 0;
a.data_length = 0;
a.crc8 = hfa_crc8((unsigned char *) &a);
rslt = libusb_bulk_transfer(s.handle, s.send_endpoint->bEndpointAddress, (unsigned char *) &a, (int) sizeof(a), &sent, 100);
if(rslt != 0) {
fprintf(stderr, "libusb_bulk_transfer() failed while sending: %s\n", libusb_strerror(rslt));
exit(1);
}
/* Fix: libusb_bulk_transfer() is not required to send everything at once. We expect it to
* here because of the short size, but it is not guaranteed. This should be fine for
* the moment, be we should replace it with a generic sending routine that sends
* everything once it is written. */
if(sent != sizeof(a)) {
fprintf(stderr, "libusb_bulk_transfer() was asked to send %ld bytes and only sent %d.\n",
(long) sizeof(a), sent);
exit(1);
}
/* Fix: libusb_bulk_transfer() seems to have to be called four times
* no matter how much delay we introduce. This suggests that
* the EVK board has some bug where needs four asks before it
* will reply. */
for(received=0, i=0; received == 0 && i < 100; i++) {
struct timespec aa;
memset(b, 0, sizeof(b));
/* Fix: We may receive partial reads as libusb_bulk_transfer() is
* not required to send everything at once. We expect it to
* here because of the short size, but it is not guaranteed.
* This should be fine for the moment, be we should replace
* it with a generic sending routine that sends everything
* once it is written. */
rslt = libusb_bulk_transfer(s.handle, s.receive_endpoint->bEndpointAddress, b, (int) sizeof(b), &received, 100);
if(rslt != 0) {
fprintf(stderr, "libusb_bulk_transfer() failed while receiving: %s\n", libusb_strerror(rslt));
exit(1);
}
aa.tv_sec = 0;
aa.tv_nsec = 50 * 1000 * 1000; /* 50 ms */
nanosleep(&aa, NULL);
}
if(received == 0) {
fprintf(stderr, "Failed to receive a core map reply.\n");
exit(1);
}
b_ptr = (struct hf_header *) b;
if(b_ptr->preamble != 0xaa ||
b_ptr->operation_code != 141 || /* OP_CORE_MAP */
b_ptr->chip_address != 0x00 ||
b_ptr->core_address != 0) {
fprintf(stderr, "Unexpected header: ");
dump_header_and_data(b, received);
fprintf(stderr, "\n");
exit(1);
}
if(b_ptr->crc8 != hfa_crc8(b)) {
fprintf(stderr, "Bad CRC8 checksum on header: ");
dump_header_and_data(b, received);
fprintf(stderr, "\n");
exit(1);
}
if(4*b_ptr->data_length + 8 != received) {
fprintf(stderr, "Received %d bytes, but packet claims to be 8 + %d bytes: ",
received, (int) b_ptr->data_length);
dump_header_and_data(b, received);
fprintf(stderr, "\n");
}
total_cores = b_ptr->hdata;
total_bits = 4*b_ptr->data_length * 8;
if(total_cores <= total_bits - 32 || total_cores > total_bits) {
fprintf(stderr, "Core data of %d bits is not consistent with total cores of %d: ",
total_bits, total_cores);
dump_header_and_data(b, received);
fprintf(stderr, "\n");
exit(1);
}
printf("%d cores: ", total_cores);
for(i=0; i < b_ptr->data_length * 4; i++)
printf("%02x", b[8 + i]);
printf("\n");
shut_down_rw_usb(&s);
return 0;
}