|
|
@@ -0,0 +1,625 @@
|
|
|
+/*
|
|
|
+ * Copyright 2014 Vitalii Demianets
|
|
|
+ * Copyright 2014 KnCMiner
|
|
|
+ *
|
|
|
+ * 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 <fcntl.h>
|
|
|
+#include <sys/ioctl.h>
|
|
|
+
|
|
|
+#include "deviceapi.h"
|
|
|
+#include "logging.h"
|
|
|
+#include "miner.h"
|
|
|
+#include "util.h"
|
|
|
+
|
|
|
+#include "titan-asic.h"
|
|
|
+
|
|
|
+#define KNC_TITAN_DEFAULT_FREQUENCY 275
|
|
|
+
|
|
|
+#define KNC_TITAN_HWERR_DISABLE_SECS 10
|
|
|
+
|
|
|
+#define KNC_POLL_INTERVAL_US 10000
|
|
|
+
|
|
|
+/* Work queue pre-fill level.
|
|
|
+ * Must be high enough to supply all ASICs with works after a flush */
|
|
|
+#define WORK_QUEUE_PREFILL 10
|
|
|
+
|
|
|
+/* Specify here minimum number of leading zeroes in hash */
|
|
|
+#define DEFAULT_DIFF_FILTERING_ZEROES 24
|
|
|
+#define DEFAULT_DIFF_FILTERING_FLOAT (1. / ((double)(0x00000000FFFFFFFF >> DEFAULT_DIFF_FILTERING_ZEROES)))
|
|
|
+#define DEFAULT_DIFF_HASHES_PER_NONCE (1 << DEFAULT_DIFF_FILTERING_ZEROES)
|
|
|
+
|
|
|
+BFG_REGISTER_DRIVER(knc_titan_drv)
|
|
|
+
|
|
|
+/* 3 - default number of threads per core */
|
|
|
+static int opt_knc_threads_per_core = 3;
|
|
|
+
|
|
|
+static const struct bfg_set_device_definition knc_titan_set_device_funcs[];
|
|
|
+
|
|
|
+struct knc_titan_core {
|
|
|
+ int asicno;
|
|
|
+ int dieno; /* inside asic */
|
|
|
+ int coreno; /* inside die */
|
|
|
+ struct knc_titan_die *die;
|
|
|
+ struct cgpu_info *proc;
|
|
|
+
|
|
|
+ int hwerr_in_row;
|
|
|
+ int hwerr_disable_time;
|
|
|
+ struct timeval enable_at;
|
|
|
+ struct timeval first_hwerr;
|
|
|
+
|
|
|
+ struct nonce_report last_nonce;
|
|
|
+};
|
|
|
+
|
|
|
+struct knc_titan_die {
|
|
|
+ int asicno;
|
|
|
+ int dieno; /* inside asic */
|
|
|
+ int cores;
|
|
|
+ struct cgpu_info *first_proc;
|
|
|
+
|
|
|
+ int freq;
|
|
|
+};
|
|
|
+
|
|
|
+struct knc_titan_info {
|
|
|
+ void *ctx;
|
|
|
+ struct cgpu_info *cgpu;
|
|
|
+ int cores;
|
|
|
+ struct knc_titan_die dies[KNC_TITAN_MAX_ASICS][KNC_TITAN_DIES_PER_ASIC];
|
|
|
+
|
|
|
+ /* Per-ASIC data */
|
|
|
+ bool need_flush[KNC_TITAN_MAX_ASICS];
|
|
|
+ int next_slot[KNC_TITAN_MAX_ASICS];
|
|
|
+ /* First slot after flush. If next_slot reaches this, then
|
|
|
+ * we need to re-flush all the cores to avoid duplicating slot numbers
|
|
|
+ * for different works */
|
|
|
+ int first_slot[KNC_TITAN_MAX_ASICS];
|
|
|
+
|
|
|
+ struct work *workqueue;
|
|
|
+ int workqueue_size;
|
|
|
+ int workqueue_max;
|
|
|
+ int next_id;
|
|
|
+
|
|
|
+ struct work *devicework;
|
|
|
+};
|
|
|
+
|
|
|
+static bool knc_titan_detect_one(const char *devpath)
|
|
|
+{
|
|
|
+ static struct cgpu_info *prev_cgpu = NULL;
|
|
|
+ struct cgpu_info *cgpu;
|
|
|
+ void *ctx;
|
|
|
+ struct knc_titan_info *knc;
|
|
|
+ int cores = 0, asic, die;
|
|
|
+ struct knc_die_info die_info;
|
|
|
+ char repr[6];
|
|
|
+
|
|
|
+ cgpu = malloc(sizeof(*cgpu));
|
|
|
+ if (unlikely(!cgpu))
|
|
|
+ quit(1, "Failed to alloc cgpu_info");
|
|
|
+
|
|
|
+ if (!prev_cgpu) {
|
|
|
+ if (NULL == (ctx = knc_trnsp_new(NULL))) {
|
|
|
+ free(cgpu);
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ knc = calloc(1, sizeof(*knc));
|
|
|
+ if (unlikely(!knc))
|
|
|
+ quit(1, "Failed to alloc knc_titan_info");
|
|
|
+
|
|
|
+ knc->ctx = ctx;
|
|
|
+ knc->cgpu = cgpu;
|
|
|
+ knc->workqueue_max = WORK_QUEUE_PREFILL;
|
|
|
+ } else {
|
|
|
+ knc = prev_cgpu->device_data;
|
|
|
+ ctx = knc->ctx;
|
|
|
+ }
|
|
|
+
|
|
|
+ snprintf(repr, sizeof(repr), "%s %s", knc_titan_drv.name, devpath);
|
|
|
+ asic = atoi(devpath);
|
|
|
+ for (die = 0; die < KNC_TITAN_DIES_PER_ASIC; ++die) {
|
|
|
+ die_info.cores = KNC_TITAN_CORES_PER_DIE; /* core hint */
|
|
|
+ die_info.version = KNC_VERSION_TITAN;
|
|
|
+ if (!knc_titan_get_info(repr, ctx, asic, die, &die_info))
|
|
|
+ continue;
|
|
|
+ if (0 < die_info.cores) {
|
|
|
+ knc->dies[asic][die] = (struct knc_titan_die) {
|
|
|
+ .asicno = asic,
|
|
|
+ .dieno = die,
|
|
|
+ .cores = die_info.cores,
|
|
|
+ .first_proc = cgpu,
|
|
|
+ .freq = KNC_TITAN_DEFAULT_FREQUENCY,
|
|
|
+ };
|
|
|
+ cores += die_info.cores;
|
|
|
+ } else {
|
|
|
+ knc->dies[asic][die] = (struct knc_titan_die) {
|
|
|
+ .asicno = -INT_MAX,
|
|
|
+ .dieno = -INT_MAX,
|
|
|
+ .cores = 0,
|
|
|
+ .first_proc = NULL,
|
|
|
+ };
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (0 == cores) {
|
|
|
+ free(cgpu);
|
|
|
+ if (!prev_cgpu) {
|
|
|
+ free(knc);
|
|
|
+ knc_trnsp_free(ctx);
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ applog(LOG_NOTICE, "%s: Found ASIC with %d cores", repr, cores);
|
|
|
+
|
|
|
+ *cgpu = (struct cgpu_info) {
|
|
|
+ .drv = &knc_titan_drv,
|
|
|
+ .device_path = strdup(devpath),
|
|
|
+ .set_device_funcs = knc_titan_set_device_funcs,
|
|
|
+ .deven = DEV_ENABLED,
|
|
|
+ .procs = cores,
|
|
|
+ .threads = prev_cgpu ? 0 : 1,
|
|
|
+ .extra_work_queue = -1,
|
|
|
+ .device_data = knc,
|
|
|
+ };
|
|
|
+ const bool rv = add_cgpu_slave(cgpu, prev_cgpu);
|
|
|
+ if (!prev_cgpu)
|
|
|
+ cgpu->extra_work_queue += WORK_QUEUE_PREFILL;
|
|
|
+ prev_cgpu = cgpu;
|
|
|
+ return rv;
|
|
|
+}
|
|
|
+
|
|
|
+static int knc_titan_detect_auto(void)
|
|
|
+{
|
|
|
+ const int first = 0, last = KNC_TITAN_MAX_ASICS - 1;
|
|
|
+ char devpath[256];
|
|
|
+ int found = 0, i;
|
|
|
+
|
|
|
+ for (i = first; i <= last; ++i) {
|
|
|
+ sprintf(devpath, "%d", i);
|
|
|
+ if (knc_titan_detect_one(devpath))
|
|
|
+ ++found;
|
|
|
+ }
|
|
|
+
|
|
|
+ return found;
|
|
|
+}
|
|
|
+
|
|
|
+static void knc_titan_detect(void)
|
|
|
+{
|
|
|
+ generic_detect(&knc_titan_drv, knc_titan_detect_one, knc_titan_detect_auto, GDF_REQUIRE_DNAME | GDF_DEFAULT_NOAUTO);
|
|
|
+}
|
|
|
+
|
|
|
+static void knc_titan_clean_flush(const char *repr, void * const ctx, int asic, int die)
|
|
|
+{
|
|
|
+ struct knc_report report;
|
|
|
+ bool unused;
|
|
|
+ knc_titan_set_work(repr, ctx, asic, die, 0xFFFF, 0, NULL, true, &unused, &report);
|
|
|
+}
|
|
|
+
|
|
|
+static bool knc_titan_init(struct thr_info * const thr)
|
|
|
+{
|
|
|
+ const int max_cores = KNC_TITAN_CORES_PER_ASIC;
|
|
|
+ struct thr_info *mythr;
|
|
|
+ struct cgpu_info * const cgpu = thr->cgpu, *proc;
|
|
|
+ struct knc_titan_core *knccore;
|
|
|
+ struct knc_titan_info *knc;
|
|
|
+ int i, asic, die, core_base;
|
|
|
+ int total_cores = 0;
|
|
|
+ int asic_cores[KNC_TITAN_MAX_ASICS] = {0};
|
|
|
+
|
|
|
+ for (proc = cgpu; proc; ) {
|
|
|
+ proc->min_nonce_diff = DEFAULT_DIFF_FILTERING_FLOAT;
|
|
|
+ if (proc->device != proc) {
|
|
|
+ applog(LOG_WARNING, "%"PRIpreprv": Extra processor?", proc->proc_repr);
|
|
|
+ proc = proc->next_proc;
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ asic = atoi(proc->device_path);
|
|
|
+ knc = proc->device_data;
|
|
|
+
|
|
|
+ die = 0;
|
|
|
+ core_base = 0;
|
|
|
+ for (i = 0; i < max_cores; ++i) {
|
|
|
+ while (i >= (core_base + knc->dies[asic][die].cores)) {
|
|
|
+ core_base += knc->dies[asic][die].cores;
|
|
|
+ if (++die >= KNC_TITAN_DIES_PER_ASIC)
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if (die >= KNC_TITAN_DIES_PER_ASIC)
|
|
|
+ break;
|
|
|
+
|
|
|
+ mythr = proc->thr[0];
|
|
|
+ mythr->cgpu_data = knccore = malloc(sizeof(*knccore));
|
|
|
+ if (unlikely(!knccore))
|
|
|
+ quit(1, "Failed to alloc knc_titan_core");
|
|
|
+ *knccore = (struct knc_titan_core) {
|
|
|
+ .asicno = asic,
|
|
|
+ .dieno = die,
|
|
|
+ .coreno = i - core_base,
|
|
|
+ .die = &(knc->dies[asic][die]),
|
|
|
+ .proc = proc,
|
|
|
+ .hwerr_in_row = 0,
|
|
|
+ .hwerr_disable_time = KNC_TITAN_HWERR_DISABLE_SECS,
|
|
|
+ };
|
|
|
+ timer_set_now(&knccore->enable_at);
|
|
|
+ proc->device_data = knc;
|
|
|
+ ++total_cores;
|
|
|
+ ++(asic_cores[asic]);
|
|
|
+ applog(LOG_DEBUG, "%s Allocated core %d:%d:%d", proc->device->dev_repr, asic, die, (i - core_base));
|
|
|
+
|
|
|
+ if (0 == knccore->coreno) {
|
|
|
+ knc->dies[asic][die].first_proc = proc;
|
|
|
+ knc_titan_clean_flush(proc->device->dev_repr, knc->ctx, knccore->asicno, knccore->dieno);
|
|
|
+ }
|
|
|
+
|
|
|
+ proc = proc->next_proc;
|
|
|
+ if ((!proc) || proc->device == proc)
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ knc->cores = total_cores;
|
|
|
+ }
|
|
|
+
|
|
|
+ cgpu_set_defaults(cgpu);
|
|
|
+ if (0 >= total_cores)
|
|
|
+ return false;
|
|
|
+
|
|
|
+ /* Init nonce ranges for cores */
|
|
|
+ double nonce_step = 4294967296.0 / total_cores;
|
|
|
+ double nonce_f = 0.0;
|
|
|
+ struct titan_setup_core_params setup_params = {
|
|
|
+ .bad_address_mask = {0, 0},
|
|
|
+ .bad_address_match = {0x3FF, 0x3FF},
|
|
|
+ .difficulty = DEFAULT_DIFF_FILTERING_ZEROES - 1,
|
|
|
+ .thread_enable = 0xFF,
|
|
|
+ .thread_base_address = {0, 1, 2, 3, 4, 5, 6, 7},
|
|
|
+ .lookup_gap_mask = {0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7},
|
|
|
+ .N_mask = {0, 0, 0, 0, 0, 0, 0, 0},
|
|
|
+ .N_shift = {0, 0, 0, 0, 0, 0, 0, 0},
|
|
|
+ .nonce_bottom = 0,
|
|
|
+ .nonce_top = 0xFFFFFFFF,
|
|
|
+ };
|
|
|
+ fill_in_thread_params(opt_knc_threads_per_core, &setup_params);
|
|
|
+
|
|
|
+ int prev_asic = -1;
|
|
|
+ for (proc = cgpu; proc; proc = proc->next_proc) {
|
|
|
+ knc = proc->device_data;
|
|
|
+ mythr = proc->thr[0];
|
|
|
+ knccore = mythr->cgpu_data;
|
|
|
+ if (knccore->asicno != prev_asic) {
|
|
|
+ int numcores = asic_cores[knccore->asicno];
|
|
|
+ if (numcores < 1)
|
|
|
+ numcores = 1;
|
|
|
+ prev_asic = knccore->asicno;
|
|
|
+ nonce_f = 0.0;
|
|
|
+ nonce_step = 4294967296.0 / numcores;
|
|
|
+ setup_params.nonce_top = 0xFFFFFFFF;
|
|
|
+ }
|
|
|
+ nonce_f += nonce_step;
|
|
|
+ setup_params.nonce_bottom = setup_params.nonce_top + 1;
|
|
|
+ if (NULL != proc->next_proc)
|
|
|
+ setup_params.nonce_top = nonce_f;
|
|
|
+ else
|
|
|
+ setup_params.nonce_top = 0xFFFFFFFF;
|
|
|
+ applog(LOG_DEBUG, "%s Setup core %d:%d:%d, nonces 0x%08X - 0x%08X", proc->device->dev_repr, knccore->asicno, knccore->dieno, knccore->coreno, setup_params.nonce_bottom, setup_params.nonce_top);
|
|
|
+ knc_titan_setup_core_local(proc->device->dev_repr, knc->ctx, knccore->asicno, knccore->dieno, knccore->coreno, &setup_params);
|
|
|
+ }
|
|
|
+
|
|
|
+ for (asic = 0; asic < KNC_TITAN_MAX_ASICS; ++asic) {
|
|
|
+ knc->next_slot[asic] = KNC_TITAN_MIN_WORK_SLOT_NUM;
|
|
|
+ knc->first_slot[asic] = KNC_TITAN_MIN_WORK_SLOT_NUM;
|
|
|
+ knc->need_flush[asic] = true;
|
|
|
+ }
|
|
|
+ timer_set_now(&thr->tv_poll);
|
|
|
+
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+static bool knc_titan_prepare_work(struct thr_info *thr, struct work *work)
|
|
|
+{
|
|
|
+ struct cgpu_info * const cgpu = thr->cgpu;
|
|
|
+
|
|
|
+ work->nonce_diff = cgpu->min_nonce_diff;
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+static void knc_titan_set_queue_full(struct knc_titan_info * const knc)
|
|
|
+{
|
|
|
+ const bool full = (knc->workqueue_size >= knc->workqueue_max);
|
|
|
+ struct cgpu_info *proc;
|
|
|
+
|
|
|
+ for (proc = knc->cgpu; proc; proc = proc->next_proc) {
|
|
|
+ struct thr_info * const thr = proc->thr[0];
|
|
|
+ thr->queue_full = full;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void knc_titan_remove_local_queue(struct knc_titan_info * const knc, struct work * const work)
|
|
|
+{
|
|
|
+ DL_DELETE(knc->workqueue, work);
|
|
|
+ free_work(work);
|
|
|
+ --knc->workqueue_size;
|
|
|
+}
|
|
|
+
|
|
|
+static void knc_titan_prune_local_queue(struct thr_info *thr)
|
|
|
+{
|
|
|
+ struct cgpu_info * const cgpu = thr->cgpu;
|
|
|
+ struct knc_titan_info * const knc = cgpu->device_data;
|
|
|
+ struct work *work, *tmp;
|
|
|
+
|
|
|
+ DL_FOREACH_SAFE(knc->workqueue, work, tmp) {
|
|
|
+ if (stale_work(work, false))
|
|
|
+ knc_titan_remove_local_queue(knc, work);
|
|
|
+ }
|
|
|
+ knc_titan_set_queue_full(knc);
|
|
|
+}
|
|
|
+
|
|
|
+static bool knc_titan_queue_append(struct thr_info * const thr, struct work * const work)
|
|
|
+{
|
|
|
+ struct cgpu_info * const cgpu = thr->cgpu;
|
|
|
+ struct knc_titan_info * const knc = cgpu->device_data;
|
|
|
+
|
|
|
+ if (knc->workqueue_size >= knc->workqueue_max) {
|
|
|
+ knc_titan_prune_local_queue(thr);
|
|
|
+ if (thr->queue_full)
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ DL_APPEND(knc->workqueue, work);
|
|
|
+ ++knc->workqueue_size;
|
|
|
+
|
|
|
+ knc_titan_set_queue_full(knc);
|
|
|
+ if (thr->queue_full)
|
|
|
+ knc_titan_prune_local_queue(thr);
|
|
|
+
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+#define HASH_LAST_ADDED(head, out) \
|
|
|
+ (out = (head) ? (ELMT_FROM_HH((head)->hh.tbl, (head)->hh.tbl->tail)) : NULL)
|
|
|
+
|
|
|
+static void knc_titan_queue_flush(struct thr_info * const thr)
|
|
|
+{
|
|
|
+ struct cgpu_info * const cgpu = thr->cgpu;
|
|
|
+ struct knc_titan_info * const knc = cgpu->device_data;
|
|
|
+ struct work *work, *tmp;
|
|
|
+
|
|
|
+ if (knc->cgpu != cgpu)
|
|
|
+ return;
|
|
|
+
|
|
|
+ DL_FOREACH_SAFE(knc->workqueue, work, tmp){
|
|
|
+ knc_titan_remove_local_queue(knc, work);
|
|
|
+ }
|
|
|
+ knc_titan_set_queue_full(knc);
|
|
|
+
|
|
|
+ HASH_LAST_ADDED(knc->devicework, work);
|
|
|
+ if (work && stale_work(work, true)) {
|
|
|
+ int asic;
|
|
|
+ for (asic = 0; asic < KNC_TITAN_MAX_ASICS; ++asic)
|
|
|
+ knc->need_flush[asic] = true;
|
|
|
+ timer_set_now(&thr->tv_poll);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void knc_titan_poll(struct thr_info * const thr)
|
|
|
+{
|
|
|
+ struct thr_info *mythr;
|
|
|
+ struct cgpu_info * const cgpu = thr->cgpu, *proc;
|
|
|
+ struct knc_titan_info * const knc = cgpu->device_data;
|
|
|
+ struct knc_titan_core *knccore, *core1;
|
|
|
+ struct work *work, *tmp;
|
|
|
+ int workaccept = 0;
|
|
|
+ unsigned long delay_usecs = KNC_POLL_INTERVAL_US;
|
|
|
+ struct knc_report report;
|
|
|
+ struct knc_die_info die_info;
|
|
|
+ int asic;
|
|
|
+ int die;
|
|
|
+ int i, tmp_int;
|
|
|
+
|
|
|
+ knc_titan_prune_local_queue(thr);
|
|
|
+
|
|
|
+ for (asic = 0; asic < KNC_TITAN_MAX_ASICS; ++asic) {
|
|
|
+ DL_FOREACH_SAFE(knc->workqueue, work, tmp) {
|
|
|
+ bool work_accepted = false;
|
|
|
+ bool need_replace;
|
|
|
+ if (knc->first_slot[asic] > KNC_TITAN_MIN_WORK_SLOT_NUM)
|
|
|
+ need_replace = ((knc->next_slot[asic] + 1) == knc->first_slot[asic]);
|
|
|
+ else
|
|
|
+ need_replace = (knc->next_slot[asic] == KNC_TITAN_MAX_WORK_SLOT_NUM);
|
|
|
+ knccore = NULL;
|
|
|
+ for (die = 0; die < KNC_TITAN_DIES_PER_ASIC; ++die) {
|
|
|
+ if (0 >= knc->dies[asic][die].cores)
|
|
|
+ continue;
|
|
|
+ struct cgpu_info *first_proc = knc->dies[asic][die].first_proc;
|
|
|
+ /* knccore is the core data of the first core in this asic */
|
|
|
+ if (NULL == knccore)
|
|
|
+ knccore = first_proc->thr[0]->cgpu_data;
|
|
|
+ bool die_work_accepted = false;
|
|
|
+ if (knc->need_flush[asic] || need_replace) {
|
|
|
+ for (proc = first_proc; proc; proc = proc->next_proc) {
|
|
|
+ mythr = proc->thr[0];
|
|
|
+ core1 = mythr->cgpu_data;
|
|
|
+ bool unused;
|
|
|
+ if ((core1->dieno != die) || (core1->asicno != asic))
|
|
|
+ break;
|
|
|
+ if (knc_titan_set_work(proc->proc_repr, knc->ctx, asic, die, core1->coreno, knc->next_slot[asic], work, true, &unused, &report)) {
|
|
|
+ core1->last_nonce.slot = report.nonce[0].slot;
|
|
|
+ core1->last_nonce.nonce = report.nonce[0].nonce;
|
|
|
+ die_work_accepted = true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (!knc_titan_set_work(first_proc->dev_repr, knc->ctx, asic, die, 0xFFFF, knc->next_slot[asic], work, false, &die_work_accepted, &report))
|
|
|
+ die_work_accepted = false;
|
|
|
+ }
|
|
|
+ if (die_work_accepted)
|
|
|
+ work_accepted = true;
|
|
|
+ }
|
|
|
+ if ((!work_accepted) || (NULL == knccore))
|
|
|
+ break;
|
|
|
+ bool was_flushed = false;
|
|
|
+ if (knc->need_flush[asic] || need_replace) {
|
|
|
+ struct work *work1, *tmp1;
|
|
|
+ applog(LOG_NOTICE, "%s: Flushing stale works (%s)", knccore->proc->dev_repr,
|
|
|
+ knc->need_flush[asic] ? "New work" : "Slot collision");
|
|
|
+ knc->need_flush[asic] = false;
|
|
|
+ knc->first_slot[asic] = knc->next_slot[asic];
|
|
|
+ HASH_ITER(hh, knc->devicework, work1, tmp1) {
|
|
|
+ if (asic == ((work1->device_id >> 8) & 0xFF)) {
|
|
|
+ HASH_DEL(knc->devicework, work1);
|
|
|
+ free_work(work1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ delay_usecs = 0;
|
|
|
+ was_flushed = true;
|
|
|
+ }
|
|
|
+ --knc->workqueue_size;
|
|
|
+ DL_DELETE(knc->workqueue, work);
|
|
|
+ work->device_id = (asic << 8) | knc->next_slot[asic];
|
|
|
+ HASH_ADD(hh, knc->devicework, device_id, sizeof(work->device_id), work);
|
|
|
+ if (++(knc->next_slot[asic]) > KNC_TITAN_MAX_WORK_SLOT_NUM)
|
|
|
+ knc->next_slot[asic] = KNC_TITAN_MIN_WORK_SLOT_NUM;
|
|
|
+ ++workaccept;
|
|
|
+ /* If we know for sure that this work was urgent, then we don't need to hurry up
|
|
|
+ * with filling next slot, we have plenty of time until current work completes.
|
|
|
+ * So, better to proceed with other ASICs. */
|
|
|
+ if (was_flushed)
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ applog(LOG_DEBUG, "%s: %d jobs accepted to queue (max=%d)", knc_titan_drv.dname, workaccept, knc->workqueue_max);
|
|
|
+
|
|
|
+ for (asic = 0; asic < KNC_TITAN_MAX_ASICS; ++asic) {
|
|
|
+ for (die = 0; die < KNC_TITAN_DIES_PER_ASIC; ++die) {
|
|
|
+ if (0 >= knc->dies[asic][die].cores)
|
|
|
+ continue;
|
|
|
+ die_info.cores = knc->dies[asic][die].cores; /* core hint */
|
|
|
+ die_info.version = KNC_VERSION_TITAN;
|
|
|
+ if (!knc_titan_get_info(cgpu->dev_repr, knc->ctx, asic, die, &die_info))
|
|
|
+ continue;
|
|
|
+ for (proc = knc->dies[asic][die].first_proc; proc; proc = proc->next_proc) {
|
|
|
+ mythr = proc->thr[0];
|
|
|
+ knccore = mythr->cgpu_data;
|
|
|
+ if ((knccore->dieno != die) || (knccore->asicno != asic))
|
|
|
+ break;
|
|
|
+ if (!die_info.has_report[knccore->coreno])
|
|
|
+ continue;
|
|
|
+ if (!knc_titan_get_report(proc->proc_repr, knc->ctx, asic, die, knccore->coreno, &report))
|
|
|
+ continue;
|
|
|
+ for (i = 0; i < KNC_TITAN_NONCES_PER_REPORT; ++i) {
|
|
|
+ if ((report.nonce[i].slot == knccore->last_nonce.slot) &&
|
|
|
+ (report.nonce[i].nonce == knccore->last_nonce.nonce))
|
|
|
+ break;
|
|
|
+ tmp_int = (asic << 8) | report.nonce[i].slot;
|
|
|
+ HASH_FIND_INT(knc->devicework, &tmp_int, work);
|
|
|
+ if (!work) {
|
|
|
+ applog(LOG_WARNING, "%"PRIpreprv": Got nonce for unknown work in slot %u (asic %d)", proc->proc_repr, (unsigned)report.nonce[i].slot, asic);
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if (submit_nonce(mythr, work, report.nonce[i].nonce)) {
|
|
|
+ hashes_done2(mythr, DEFAULT_DIFF_HASHES_PER_NONCE, NULL);
|
|
|
+ knccore->hwerr_in_row = 0;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ knccore->last_nonce.slot = report.nonce[0].slot;
|
|
|
+ knccore->last_nonce.nonce = report.nonce[0].nonce;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (workaccept) {
|
|
|
+ if (workaccept >= knc->workqueue_max) {
|
|
|
+ knc->workqueue_max = workaccept;
|
|
|
+ delay_usecs = 0;
|
|
|
+ }
|
|
|
+ knc_titan_set_queue_full(knc);
|
|
|
+ }
|
|
|
+
|
|
|
+ timer_set_delay_from_now(&thr->tv_poll, delay_usecs);
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * specify settings / options via RPC or command line
|
|
|
+ */
|
|
|
+
|
|
|
+/* support for --set-device
|
|
|
+ * must be set before probing the device
|
|
|
+ */
|
|
|
+static void knc_titan_set_clock_freq(struct cgpu_info * const device, int const val)
|
|
|
+{
|
|
|
+}
|
|
|
+
|
|
|
+static const char *knc_titan_set_clock(struct cgpu_info * const device, const char * const option, const char * const setting, char * const replybuf, enum bfg_set_device_replytype * const success)
|
|
|
+{
|
|
|
+ knc_titan_set_clock_freq(device, atoi(setting));
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+static const struct bfg_set_device_definition knc_titan_set_device_funcs[] = {
|
|
|
+ { "clock", knc_titan_set_clock, NULL },
|
|
|
+ { NULL },
|
|
|
+};
|
|
|
+
|
|
|
+/*
|
|
|
+ * specify settings / options via TUI
|
|
|
+ */
|
|
|
+
|
|
|
+#ifdef HAVE_CURSES
|
|
|
+static void knc_titan_tui_wlogprint_choices(struct cgpu_info * const proc)
|
|
|
+{
|
|
|
+ wlogprint("[C]lock speed ");
|
|
|
+}
|
|
|
+
|
|
|
+static const char *knc_titan_tui_handle_choice(struct cgpu_info * const proc, const int input)
|
|
|
+{
|
|
|
+ static char buf[0x100]; /* Static for replies */
|
|
|
+
|
|
|
+ switch (input)
|
|
|
+ {
|
|
|
+ case 'c': case 'C':
|
|
|
+ {
|
|
|
+ sprintf(buf, "Set clock speed");
|
|
|
+ char * const setting = curses_input(buf);
|
|
|
+
|
|
|
+ knc_titan_set_clock_freq(proc->device, atoi(setting));
|
|
|
+
|
|
|
+ return "Clock speed changed\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+static void knc_titan_wlogprint_status(struct cgpu_info * const proc)
|
|
|
+{
|
|
|
+ wlogprint("Clock speed: N/A\n");
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+struct device_drv knc_titan_drv =
|
|
|
+{
|
|
|
+ /* metadata */
|
|
|
+ .dname = "titan",
|
|
|
+ .name = "KNC",
|
|
|
+ .supported_algos = POW_SCRYPT,
|
|
|
+ .drv_detect = knc_titan_detect,
|
|
|
+
|
|
|
+ .thread_init = knc_titan_init,
|
|
|
+
|
|
|
+ /* specify mining type - queue */
|
|
|
+ .minerloop = minerloop_queue,
|
|
|
+ .queue_append = knc_titan_queue_append,
|
|
|
+ .queue_flush = knc_titan_queue_flush,
|
|
|
+ .poll = knc_titan_poll,
|
|
|
+ .prepare_work = knc_titan_prepare_work,
|
|
|
+
|
|
|
+ /* TUI support - e.g. setting clock via UI */
|
|
|
+#ifdef HAVE_CURSES
|
|
|
+ .proc_wlogprint_status = knc_titan_wlogprint_status,
|
|
|
+ .proc_tui_wlogprint_choices = knc_titan_tui_wlogprint_choices,
|
|
|
+ .proc_tui_handle_choice = knc_titan_tui_handle_choice,
|
|
|
+#endif
|
|
|
+};
|