static void wq_enqueue(struct thr_info *thr, struct T1_chain *t1)
{
struct work *work = get_work(thr, thr->id);
struct work_queue *wq;
struct work_ent *we;
int rolls = 0;
wq = &t1->active_wq;
while (42) {
we = cgmalloc(sizeof(*we));
we->work = work;
INIT_LIST_HEAD(&we->head);
mutex_lock(&t1->lock);
list_add_tail(&we->head, &wq->head);
wq->num_elems++;
mutex_unlock(&t1->lock);
if (wq->num_elems >= t1->num_active_chips * 2) {
break;
}
if (rolls > work->drv_rolllimit) {
work = get_work(thr, thr->id);
continue;
}
work = make_clone(work);
roll_work(work);
}
}
/*===========================================================================*
* main *
*===========================================================================*/
PUBLIC void main()
{
/* Main routine of the memory manager. */
int error;
mm_init(); /* initialize memory manager tables */
/* This is MM's main loop- get work and do it, forever and forever. */
while (TRUE) {
/* Wait for message. */
get_work(); /* wait for an MM system call */
mp = &mproc[who];
/* Set some flags. */
error = OK;
dont_reply = FALSE;
err_code = -999;
/* If the call number is valid, perform the call. */
if (mm_call < 0 || mm_call >= NCALLS)
error = EBADCALL;
else
error = (*call_vec[mm_call])();
/* Send the results back to the user to indicate completion. */
if (dont_reply) continue; /* no reply for EXIT and WAIT */
if (mm_call == EXEC && error == OK) continue;
reply(who, error, result2, res_ptr);
}
}
void
boss()
{
struct q_work_struct *ptr;
int ret,i;
i = 0;
/* obtain work, return when complete */
for ( ; ; ) {
/* allocate a work structure */
ptr = (struct q_work_struct *) malloc (sizeof(struct q_work_struct));
if ( ptr == NULL )
break;
/* create/obtain work and fill in the work structure */
ret = get_work(ptr,i);
if ( ret == 0 ) {
free((void *)ptr);
break;
}
/* queue up the work */
if ( enqueue(&thr_queue, ptr) != 0 ) {
fprintf(stderr, "enqueue() error\n");
exit(-1);
}
i++;
}
}
/*===========================================================================*
* worker_main *
*===========================================================================*/
static void *worker_main(void *arg)
{
/* Worker thread main loop */
struct worker_thread *me;
me = (struct worker_thread *) arg;
ASSERTW(me);
while(TRUE) {
get_work(me);
/* Register ourselves in fproc table if possible */
if (me->w_job.j_fp != NULL) {
me->w_job.j_fp->fp_wtid = me->w_tid;
}
/* Carry out work */
me->w_job.j_func(&me->w_job);
/* Deregister if possible */
if (me->w_job.j_fp != NULL) {
me->w_job.j_fp->fp_wtid = invalid_thread_id;
}
/* Mark ourselves as done */
me->w_job.j_func = NULL;
me->w_job.j_fp = NULL;
}
return(NULL); /* Unreachable */
}
/* --------------------------------- */
void init_mtext(void)
{
register int i, j;
int a, b;
scrtchp = (long)Malloc(2048L);
mtext_mlen = (long)Malloc(-1L) - 75000;
mtext_mem = (unsigned char *)Malloc(mtext_mlen);
/*printf("\033H%lx\n", mtext_mem);*/
memset(mtext_mem, 0, mtext_mlen);
pathes[0][0] = Dgetdrv();
pathes[0][1] = ':';
Dgetpath(pathes[0] + 2, 0);
strcat(pathes[0] + 2, "\\");
pathes[0][0] += 'A';
strcpy(pathes[1], pathes[0]);
strcpy(pathes[2], pathes[0]);
strcpy(pathes[3], pathes[0]);
pic_fpath[0] = pathes[0][0];
del_file[0] = font_path[0] = pathes[0][0];
for (i = 0; i < 68; txt_lineal[0][i++] = '.');
txt_lineal[0][68] = 0;
strcpy(txt_lineal[1], txt_lineal[0]);
strcpy(txt_lineal[2], txt_lineal[0]);
strcpy(txt_lineal[3], txt_lineal[0]);
strncpy(txt_linpar[0], "NPS110", 6);
strncpy(txt_linpar[1], txt_linpar[0], 6);
strncpy(txt_linpar[2], txt_linpar[0], 6);
strncpy(txt_linpar[3], txt_linpar[0], 6);
strcpy(txt_infol[0], " Seite: 999, Zeile: 99999, Spalte: 999 Einf�gen ");
strcpy(txt_infol[1], txt_infol[0]);
strcpy(txt_infol[2], txt_infol[0]);
strcpy(txt_infol[3], txt_infol[0]);
vst_alignment(vdi_handle, 0, 3, &a, &b);
vsf_perimeter(vdi_handle, FALSE);
load_cfg();
get_work(0);
for (i = 0; i < 4; i++)
{
w_koor[i][0] = wx;
w_koor[i][1] = wy;
w_koor[i][2] = ww - (3 - i) * 10;
w_koor[i][3] = wh - i * 10;
}
}
/* ---------------------- */
void button_mesag(void)
{
get_work(w_handles[akt_id]);
if (pt_inrect(mousex, mousey, wx, wy, ww, wh))
if (ruler_flag && mousey - wy < 16 && mousey >= wy)
{
if (mousex < wx + 24)
edit_aktruler();
else
set_tab();
}
else
set_cursor();
}
static
struct work *get_and_prepare_work(struct thr_info *thr)
{
struct cgpu_info *proc = thr->cgpu;
struct device_drv *api = proc->drv;
struct work *work;
work = get_work(thr);
if (!work)
return NULL;
if (api->prepare_work && !api->prepare_work(thr, work)) {
free_work(work);
applog(LOG_ERR, "%"PRIpreprv": Work prepare failed, disabling!", proc->proc_repr);
proc->deven = DEV_RECOVER_ERR;
run_cmd(cmd_idle);
return NULL;
}
return work;
}
static void *run(void *arg)
{
int hit = 0;
struct grep_opt *opt = arg;
while (1) {
struct work_item *w = get_work();
if (!w)
break;
opt->output_priv = w;
hit |= grep_source(opt, &w->source);
grep_source_clear_data(&w->source);
work_done(w);
}
free_grep_patterns(arg);
free(arg);
return (void*) (intptr_t) hit;
}
void
base::do_loop(void)
{
db::node *node(NULL);
while(true) {
while((node = get_work())) {
do_work(node);
finish_work(node);
}
assert_end_iteration();
// cout << id << " -------- END ITERATION ---------" << endl;
// false from end_iteration ends program
if(!end_iteration())
return;
}
}
/*===========================================================================*
* main *
*===========================================================================*/
int main(int argc, char **argv)
{
/* This is the main routine of this service. The main loop consists of
* three major activities: getting new work, processing the work, and
* sending the reply. The loop never terminates, unless a panic occurs.
*/
int result;
/* SEF local startup. */
env_setargs(argc, argv);
sef_local_startup();
/* Main loop - get work and do it, forever. */
while (TRUE) {
/* Wait for incoming message, sets 'callnr' and 'who'. */
get_work();
if (is_notify(callnr)) {
switch (_ENDPOINT_P(who_e)) {
case TTY_PROC_NR:
result = do_fkey_pressed(&m_in);
break;
default:
/* FIXME: error message. */
result = EDONTREPLY;
break;
}
}
else {
printf("IS: warning, got illegal request %d from %d\n",
callnr, m_in.m_source);
result = EDONTREPLY;
}
/* Finally send reply message, unless disabled. */
if (result != EDONTREPLY) {
reply(who_e, result);
}
}
return(OK); /* shouldn't come here */
}
static void *run(void *arg)
{
int hit = 0;
struct grep_opt *opt = arg;
while (1) {
struct work_item *w = get_work();
if (!w)
break;
if (skip_binary(opt, (const char *)w->identifier))
continue;
opt->output_priv = w;
if (w->type == WORK_SHA1) {
unsigned long sz;
void* data = load_sha1(w->identifier, &sz, w->name);
if (data) {
hit |= grep_buffer(opt, w->name, data, sz);
free(data);
}
} else if (w->type == WORK_FILE) {
size_t sz;
void* data = load_file(w->identifier, &sz);
if (data) {
hit |= grep_buffer(opt, w->name, data, sz);
free(data);
}
} else {
assert(0);
}
work_done(w);
}
free_grep_patterns(arg);
free(arg);
return (void*) (intptr_t) hit;
}
static void *run(void *arg)
{
int hit = 0;
struct grep_opt *opt = arg;
while (1) {
struct work_item *w = get_work();
if (!w)
break;
opt->output_priv = w;
if (w->source.type == GREP_SOURCE_SUBMODULE)
hit |= grep_submodule_launch(opt, &w->source);
else
hit |= grep_source(opt, &w->source);
grep_source_clear_data(&w->source);
work_done(w);
}
free_grep_patterns(arg);
free(arg);
return (void*) (intptr_t) hit;
}
int main(void)
{
int cmd;
/* initialize window size to defult */
window_size = DEFAULT_WINDOW_SIZE;
message_to_send = NULL;
/*pthread_t pthread_id[2];
pthread_attr_t attr;*/
/*
* start named pipe, this is where the host will receive user commands.
* it will be a producer/consumer design. pipe name should be passed as
* command-line argument
*/
create_pipe(PIPE_NAME);
int pipe = open_pipe(PIPE_NAME, O_RDONLY);
/*
* open a socket to do the communication. packet transaction will be
* simulated above a normal connection.
*/
if (HOST == HOST_A)
{
open_socket();
send_message_to_other("Hello Client! You can start your simulation.");
get_message_from_other();
printf("\n\n\n");
}
else
{
open_connection();
get_message_from_other();
send_message_to_other("Hi Server.");
printf("\n\n\n");
}
/*
* once connection is stablished we can start the SIM STATE MACHINE.
* our state machine will start in CLOSED
*/
host_state = STATE_CLOSED;
host_seq_number = rand();
/*
* at this point we need to start our threads that will exchange
* messages with the other host.
*/
/* thread to construct packets */
pthread_t pthread_id[10];
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&pthread_id[0],
&attr,
(void *) &send_stuff_thread,
(void *) NULL);
/*
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&pthread_id[0], &attr,
(void *)&receive_tcp_packet_from_other, NULL);
*/
/* loop until gets work to do */
while (TRUE)
{
/*
* get work from console. this is the link we have with the
* outside world (client)
*/
fflush(stdout);
cmd = get_work(pipe);
int read_size;
char buf[MAX_PIPE_DATA_SIZE];
switch (cmd)
{
case CMD_LISTEN:
printf("got CMD_LISTEN\n");
cmd_listen();
break;
case CMD_CONNECT:
printf("got CMD_CONNECT\n");
cmd_connect();
break;
case CMD_SEND_PKT:
printf("got CMD_SEND_PKT\n");
sleep(1);
/* get message to send over */
while ((read_size = pipe_read(pipe, buf)) < 1);
message_to_send = malloc(read_size * sizeof(char));
strncpy(buf, message_to_send, read_size);
break;
case CMD_CHNG_WINDOW_SIZE:
printf("changed window size to %d\n", window_size);
break;
case CMD_CLOSE:
break;
/* ACK packet */
default:
printf("did not recognize cmd!\n");
}
}
}
/*===========================================================================*
* main *
*===========================================================================*/
int main(void)
{
/* This is the main program of the file system. The main loop consists of
* three major activities: getting new work, processing the work, and sending
* the reply. This loop never terminates as long as the file system runs.
*/
int transid;
struct job *job;
/* SEF local startup. */
sef_local_startup();
printf("Started VFS: %d worker thread(s)\n", NR_WTHREADS);
/* This is the main loop that gets work, processes it, and sends replies. */
while (TRUE) {
yield_all(); /* let other threads run */
self = NULL;
job = NULL;
send_work();
get_work();
transid = TRNS_GET_ID(m_in.m_type);
if (IS_VFS_FS_TRANSID(transid)) {
job = worker_getjob( (thread_t) transid - VFS_TRANSID);
if (job == NULL) {
printf("VFS: spurious message %d from endpoint %d\n",
m_in.m_type, m_in.m_source);
continue;
}
m_in.m_type = TRNS_DEL_ID(m_in.m_type);
}
if (job != NULL) {
do_fs_reply(job);
continue;
} else if (who_e == PM_PROC_NR) { /* Calls from PM */
/* Special control messages from PM */
sys_worker_start(do_pm);
continue;
} else if (is_notify(call_nr)) {
/* A task notify()ed us */
sys_worker_start(do_control_msgs);
continue;
} else if (who_p < 0) { /* i.e., message comes from a task */
/* We're going to ignore this message. Tasks should
* send notify()s only.
*/
printf("VFS: ignoring message from %d (%d)\n", who_e, call_nr);
continue;
}
/* At this point we either have results from an asynchronous device
* or a new system call. In both cases a new worker thread has to be
* started and there might not be one available from the pool. This is
* not a problem (requests/replies are simply queued), except when
* they're from an FS endpoint, because these can cause a deadlock.
* handle_work() takes care of the details. */
if (IS_DEV_RS(call_nr)) {
/* We've got results for a device request */
handle_work(do_async_dev_result);
continue;
} else {
/* Normal syscall. */
handle_work(do_work);
}
}
return(OK); /* shouldn't come here */
}
static int64_t hfa_scanwork(struct thr_info *thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
int64_t hashes;
int jobs, ret;
if (unlikely(hashfast->usbinfo.nodev)) {
applog(LOG_WARNING, "HFA %d: device disappeared, disabling",
hashfast->device_id);
return -1;
}
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, "HFA %d: Failed to reset after write failure, disabling",
hashfast->device_id);
return -1;
}
}
}
jobs = hfa_jobs(info);
if (!jobs) {
ret = restart_wait(thr, 100);
if (unlikely(!ret))
goto restart;
jobs = hfa_jobs(info);
}
if (jobs) {
applog(LOG_DEBUG, "HFA %d: Sending %d new jobs", 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++;
op_hash_data.starting_nonce = 0;
op_hash_data.nonce_loops = 0;
op_hash_data.ntime_loops = 0;
/* Set the number of leading zeroes to look for based on diff.
* Diff 1 = 32, Diff 2 = 33, Diff 4 = 34 etc. */
intdiff = (uint64_t)work->device_diff;
for (i = 31; intdiff; i++, intdiff >>= 1);
op_hash_data.search_difficulty = i;
op_hash_data.group = 0;
if ((sequence = info->hash_sequence_head + 1) >= info->num_sequence)
sequence = 0;
ret = hfa_send_frame(hashfast, OP_HASH, sequence, (uint8_t *)&op_hash_data, sizeof(op_hash_data));
if (unlikely(!ret)) {
ret = hfa_reset(hashfast, info);
if (unlikely(!ret)) {
applog(LOG_ERR, "HFA %d: Failed to reset after write failure, disabling",
hashfast->device_id);
return -1;
}
}
mutex_lock(&info->lock);
info->hash_sequence_head = sequence;
info->works[info->hash_sequence_head] = work;
mutex_unlock(&info->lock);
applog(LOG_DEBUG, "HFA %d: OP_HASH sequence %d search_difficulty %d work_difficulty %g",
hashfast->device_id, info->hash_sequence_head, op_hash_data.search_difficulty, work->work_difficulty);
}
mutex_lock(&info->lock);
hashes = info->hash_count;
info->hash_count = 0;
mutex_unlock(&info->lock);
return hashes;
}
static void hashratio_update_work(struct cgpu_info *hashratio)
{
struct hashratio_info *info = hashratio->device_data;
struct thr_info *thr = hashratio->thr[0];
struct hashratio_pkg send_pkg;
uint32_t tmp, range, start;
struct work *work;
struct pool *pool;
applog(LOG_DEBUG, "hashratio: New stratum: restart: %d, update: %d",
thr->work_restart, thr->work_update);
thr->work_update = false;
thr->work_restart = false;
work = get_work(thr, thr->id); /* Make sure pool is ready */
discard_work(work); /* Don't leak memory */
pool = current_pool();
if (!pool->has_stratum)
quit(1, "hashratio: Miner Manager have to use stratum pool");
if (pool->coinbase_len > HRTO_P_COINBASE_SIZE)
quit(1, "hashratio: Miner Manager pool coinbase length have to less then %d", HRTO_P_COINBASE_SIZE);
if (pool->merkles > HRTO_P_MERKLES_COUNT)
quit(1, "hashratio: Miner Manager merkles have to less then %d", HRTO_P_MERKLES_COUNT);
info->pool_no = pool->pool_no;
cgtime(&info->last_stratum);
cg_rlock(&pool->data_lock);
info->pool_no = pool->pool_no;
copy_pool_stratum(info, pool);
hashratio_stratum_pkgs(hashratio, pool);
cg_runlock(&pool->data_lock);
/* Configure the parameter from outside */
memset(send_pkg.data, 0, HRTO_P_DATA_LEN);
// fan. We're not measuring temperature so set a safe but not max value
info->fan_pwm = HRTO_PWM_MAX * 2 / 3;
tmp = be32toh(info->fan_pwm);
memcpy(send_pkg.data, &tmp, 4);
// freq
tmp = be32toh(info->default_freq);
memcpy(send_pkg.data + 4, &tmp, 4);
applog(LOG_DEBUG, "set freq: %d", info->default_freq);
/* Configure the nonce2 offset and range */
range = 0xffffffff / (total_devices + 1);
start = range * (hashratio->device_id + 1);
tmp = be32toh(start);
memcpy(send_pkg.data + 8, &tmp, 4);
tmp = be32toh(range);
memcpy(send_pkg.data + 12, &tmp, 4);
/* Package the data */
hashratio_init_pkg(&send_pkg, HRTO_P_SET, 1, 1);
hashratio_send_pkgs(hashratio, &send_pkg);
}
static int64_t avalon2_scanhash(struct thr_info *thr)
{
struct avalon2_pkg send_pkg;
struct timeval current_stratum;
struct pool *pool;
struct cgpu_info *avalon2 = thr->cgpu;
struct avalon2_info *info = avalon2->device_data;
int64_t h;
uint32_t tmp, range, start;
int i;
if (thr->work_restart || thr->work_update || !info->first) {
applog(LOG_DEBUG, "Avalon2: New stratum: restart: %d, update: %d, first: %d",
thr->work_restart, thr->work_update, info->first);
thr->work_update = false;
thr->work_restart = false;
get_work(thr, thr->id); /* Make sure pool is ready */
pool = current_pool();
if (!pool->has_stratum)
quit(1, "Avalon2: Miner Manager have to use stratum pool");
if (pool->coinbase_len > AVA2_P_COINBASE_SIZE) {
applog(LOG_ERR, "Avalon2: Miner Manager pool coinbase length have to less then %d", AVA2_P_COINBASE_SIZE);
return 0;
}
if (pool->merkles > AVA2_P_MERKLES_COUNT) {
applog(LOG_ERR, "Avalon2: Miner Manager merkles have to less then %d", AVA2_P_MERKLES_COUNT);
return 0;
}
cgtime(&info->last_stratum);
cg_rlock(&pool->data_lock);
info->pool_no = pool->pool_no;
copy_pool_stratum(pool);
avalon2_stratum_pkgs(info->fd, pool, thr);
cg_runlock(&pool->data_lock);
/* Configuer the parameter from outside */
adjust_fan(info);
info->set_voltage = opt_avalon2_voltage_min;
info->set_frequency = opt_avalon2_freq_min;
/* Set the Fan, Voltage and Frequency */
memset(send_pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(info->fan_pwm);
memcpy(send_pkg.data, &tmp, 4);
applog(LOG_ERR, "Avalon2: Temp max: %d, Cut off temp: %d",
get_current_temp_max(info), opt_avalon2_overheat);
if (get_current_temp_max(info) >= opt_avalon2_overheat)
tmp = encode_voltage(0);
else
tmp = encode_voltage(info->set_voltage);
tmp = be32toh(tmp);
memcpy(send_pkg.data + 4, &tmp, 4);
tmp = be32toh(info->set_frequency);
memcpy(send_pkg.data + 8, &tmp, 4);
/* Configure the nonce2 offset and range */
range = 0xffffffff / total_devices;
start = range * avalon2->device_id;
tmp = be32toh(start);
memcpy(send_pkg.data + 12, &tmp, 4);
tmp = be32toh(range);
memcpy(send_pkg.data + 16, &tmp, 4);
/* Package the data */
avalon2_init_pkg(&send_pkg, AVA2_P_SET, 1, 1);
while (avalon2_send_pkg(info->fd, &send_pkg, thr) != AVA2_SEND_OK)
;
if (unlikely(info->first < 2))
info->first++;
}
/* Stop polling the device if there is no stratum in 3 minutes, network is down */
cgtime(¤t_stratum);
if (tdiff(¤t_stratum, &(info->last_stratum)) > (double)(3.0 * 60.0))
return 0;
polling(thr);
h = 0;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
h += info->enable[i] ? (info->local_work[i] - info->hw_work[i]) : 0;
}
return h * 0xffffffff;
}
/*===========================================================================*
* main *
*===========================================================================*/
int main(int argc, char **argv)
{
/* This is the main routine of this service. The main loop consists of
* three major activities: getting new work, processing the work, and
* sending the reply. The loop never terminates, unless a panic occurs.
*/
message m_in;
int result;
sef_startup();
vector_init(&sem_list);
Qvector_init(&waiting_list);
stackInit(&sem_stack,5);
/* Main loop - get work and do it, forever. */
while (TRUE) {
/* Wait for incoming message, sets 'callnr' and 'who'. */
get_work(&m_in);
//printf("SEM recieved message %d\n",callnr);
if (is_notify(callnr)) {
printf("SEM: warning, got illegal notify from: %d\n", m_in.m_source);
result = EINVAL;
goto send_reply;
}
int arg = m_in.m1_i1;
switch(callnr)
{
case SEM_INIT:
//printf("Sem_init called, semaphore size 3%d.\n",arg);
result = sem_init(arg);
break;
case SEM_UP:
//printf("Sem_up called on semaphore %d.\n",arg);
result = sem_up(arg);
break;
case SEM_DOWN:
//printf("Sem_down called on semaphore %d. source: %d\n",arg,who_e);
result = sem_down(arg,m_in.m_source);
break;
case SEM_RELEASE:
//printf("Sem_release called on semaphore %d.\n",arg);
result = sem_release(arg);
break;
default:
printf("SEMAPHORE: warning, got illegal request from %d\n", m_in.m_source);
result = EINVAL;
}
send_reply:
/* Finally send reply message, unless disabled. */
if (result != EDONTREPLY) {
m_in.m_type = result; /* build reply message */
reply(who_e, &m_in); /* send it away */
}
}
Qvector_free(&waiting_list);
vector_free(&sem_list);
return(OK); /* shouldn't come here */
}
void master(const struct fracInfo info)
{
int ntasks, dest, msgsize;
struct fracData *work = malloc(sizeof(*work));
MPI_Status status;
int rowsTaken = 0;
MPI_Comm_size(MPI_COMM_WORLD, &ntasks);
size_t size = sizeof(unsigned char) * (unsigned long)info.nCols * (unsigned long)info.nRows;
unsigned char *fractal = (unsigned char*)malloc(size);
if(!fractal) {
printf("fractal allocation failed, %lu bytes\n", size);
exit(1);
}
// Allocate buffer
int membersize, emptysize, fullsize;
int position;
char *buffer;
MPI_Pack_size(1, MPI_INT, MPI_COMM_WORLD, &membersize);
emptysize = membersize;
MPI_Pack_size(1, MPI_INT, MPI_COMM_WORLD, &membersize);
emptysize += membersize;
MPI_Pack_size(get_max_work_size(&info), MPI_UNSIGNED_CHAR, MPI_COMM_WORLD, &membersize);
fullsize = emptysize + membersize;
buffer = malloc(fullsize);
if(!buffer) {
printf("buffer allocation failed, %d bytes\n",fullsize);
exit(1);
}
// Send initial data
for (dest = 1; dest < ntasks; dest++) {
//Get next work item
get_work(&info,&rowsTaken,work);
//pack and send work
position = 0;
MPI_Pack(&work->startRow,1,MPI_INT,buffer,emptysize,&position,MPI_COMM_WORLD);
MPI_Pack(&work->nRows,1,MPI_INT,buffer,emptysize,&position,MPI_COMM_WORLD);
MPI_Send(buffer, position, MPI_PACKED, dest, WORKTAG, MPI_COMM_WORLD);
}
printf("sent initial work\n");
//Get next work item
get_work(&info,&rowsTaken,work);
int startRow, nRows;
while(work->nRows) {
// Recieve and unpack work
MPI_Recv(buffer, fullsize, MPI_PACKED, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
position = 0;
MPI_Get_count(&status, MPI_PACKED, &msgsize);
MPI_Unpack(buffer, msgsize, &position, &startRow,1,MPI_INT,MPI_COMM_WORLD);
MPI_Unpack(buffer, msgsize, &position, &nRows,1,MPI_INT,MPI_COMM_WORLD);
MPI_Unpack(buffer, msgsize, &position, fractal+((unsigned long)startRow*info.nCols), nRows*info.nCols, MPI_UNSIGNED_CHAR, MPI_COMM_WORLD);
//pack and send work
position = 0;
MPI_Pack(&work->startRow,1,MPI_INT,buffer,emptysize,&position,MPI_COMM_WORLD);
MPI_Pack(&work->nRows,1,MPI_INT,buffer,emptysize,&position,MPI_COMM_WORLD);
MPI_Send(buffer, position, MPI_PACKED, status.MPI_SOURCE, WORKTAG, MPI_COMM_WORLD);
//Get next work item
get_work(&info,&rowsTaken,work);
if(status.MPI_SOURCE==1)
printf("%d\n",work->startRow);
}
// Recieve all remaining work
for (dest = 1; dest < ntasks; dest++) {
// Recieve and unpack work
MPI_Recv(buffer, fullsize, MPI_PACKED, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
position = 0;
MPI_Get_count(&status, MPI_PACKED, &msgsize);
MPI_Unpack(buffer, msgsize, &position, &startRow,1,MPI_INT,MPI_COMM_WORLD);
MPI_Unpack(buffer, msgsize, &position, &nRows,1,MPI_INT,MPI_COMM_WORLD);
// unpack pixel data
MPI_Unpack(buffer, msgsize, &position, fractal+((unsigned long)startRow*info.nCols), nRows*info.nCols, MPI_UNSIGNED_CHAR, MPI_COMM_WORLD);
// Kill slaves
MPI_Send(0,0,MPI_INT,dest,DIETAG,MPI_COMM_WORLD);
}
free(work);
free(buffer);
//Save image as TIFF
unsigned int nx = info.nCols;
unsigned int ny = info.nRows;
char fileName[] = "/home/pi/Mandelbrot/Mandelbrot.tiff";
TIFF *out = TIFFOpen(fileName, "w");
uint32 tileDim = 256;
tsize_t tileBytes = tileDim*tileDim*sizeof(char);
unsigned char *buf = (unsigned char *)_TIFFmalloc(tileBytes);
char description[1024];
snprintf(description, sizeof(description),"xStart:%f yStart:%f spacing:%f AAx:%d",info.xStart,info.yStart,info.spacing,info.AA);
TIFFSetField(out, TIFFTAG_IMAGEDESCRIPTION, description);
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) nx);
TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) ny);
TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
TIFFSetField(out, TIFFTAG_COMPRESSION, COMPRESSION_LZW);
TIFFSetField(out, TIFFTAG_TILEWIDTH, tileDim);
TIFFSetField(out, TIFFTAG_TILELENGTH, tileDim);
// TIFFSetField(out, TIFFTAG_PREDICTOR, PREDICTOR_HORIZONTAL);
// TIFFSetField(out, TIFFTAG_XRESOLUTION, resolution);
// TIFFSetField(out, TIFFTAG_YRESOLUTION, resolution);
// TIFFSetField(out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
unsigned long x,y,i,j;
unsigned long tileStart;
// Iterate through and write tiles
for(y=0; y<ny; y+=tileDim) {
for(x=0; x<nx; x+=tileDim) {
// Fill tile with fractal data
tileStart = y*nx+x;
for(i=0; i<tileDim; i++) {
for(j=0; j<tileDim; j++) {
if(x+j < nx && y+i < ny)
buf[i*tileDim+j] = fractal[(y+i)*nx+(x+j)];
else
buf[i*tileDim+j] = (unsigned char)0;
}
}
TIFFWriteTile(out, buf, x, y, 0, 0);
}
}
TIFFClose(out);
_TIFFfree(buf);
free(fractal);
}
static void *miner_thread(void *userdata)
{
struct thr_info *mythr = userdata;
int thr_id = mythr->id;
uint32_t max_nonce = 0xffffff;
/* Set worker threads to nice 19 and then preferentially to SCHED_IDLE
* and if that fails, then SCHED_BATCH. No need for this to be an
* error if it fails */
setpriority(PRIO_PROCESS, 0, 19);
drop_policy();
/* Cpu affinity only makes sense if the number of threads is a multiple
* of the number of CPUs */
if (!(opt_n_threads % num_processors))
affine_to_cpu(mythr->id, mythr->id % num_processors);
while (1) {
struct work work __attribute__((aligned(128)));
uint64_t hashes_done;
struct timeval tv_start, tv_end, diff;
uint64_t max64;
bool rc;
/* obtain new work from internal workio thread */
if (unlikely(!get_work(mythr, &work))) {
applog(LOG_ERR, "work retrieval failed, exiting "
"mining thread %d", mythr->id);
goto out;
}
hashes_done = 0;
gettimeofday(&tv_start, NULL);
rc = scanhash(thr_id, work.data, work.target, max_nonce, &hashes_done);
/* record scanhash elapsed time */
gettimeofday(&tv_end, NULL);
timeval_subtract(&diff, &tv_end, &tv_start);
hashmeter(thr_id, &diff, hashes_done);
/* adjust max_nonce to meet target scan time */
if (diff.tv_usec > 500000)
diff.tv_sec++;
if (diff.tv_sec > 0) {
max64 =
(hashes_done / 65536 * opt_scantime) / diff.tv_sec;
if (max64 > 0xfffffffaULL)
max64 = 0xfffffffaULL;
max_nonce = max64;
}
/* if nonce found, submit work */
if (rc && !submit_work(mythr, &work))
break;
}
out:
tq_freeze(mythr->q);
return NULL;
}
/* ------------------- */
void init_rsc(void)
{
OBJECT *form;
register int i, j;
rsrc_gaddr(ROOT, SONDER_Z, &form);
form[LINE3].ob_spec.free_string[1] = 0;
form[LINEA].ob_spec.free_string[31] = 0x7F;
for (i = LINE3; i <= LINEA; i++)
for (j = 1; j < 33; j += 2)
form[i].ob_spec.free_string[j] += 0x80;
*form[SOND_EDT].ob_spec.tedinfo->te_ptext = 0;
rsrc_gaddr(ROOT, SET_FONT, &form);
form[FONT_S].ob_state |= SELECTED;
rsrc_gaddr(ROOT, EINRUECK, &form);
*form[EINR_NUM].ob_spec.tedinfo->te_ptext = 0;
rsrc_gaddr(ROOT, FIND_REP, &form);
form[SR_CURSR].ob_state |= SELECTED;
form[SR_CRDWN].ob_state |= SELECTED;
*form[FIND_STR].ob_spec.tedinfo->te_ptext = 0;
*form[REPL_STR].ob_spec.tedinfo->te_ptext = 0;
rsrc_gaddr(ROOT, DISK_FMT, &form);
form[DRIVE_A].ob_state |= SELECTED;
form[NORM_FMT].ob_state |= SELECTED;
form[ONE_SIDE].ob_state |= SELECTED;
rsrc_gaddr(ROOT, PRT_MENU, &form);
form[TO_PRINT].ob_state |= SELECTED;
form[NO_INHLT].ob_state |= SELECTED;
form[NO_INDEX].ob_state |= SELECTED;
form[PRT_PICS].ob_state |= SELECTED;
form[NO_MAIL].ob_state |= SELECTED;
form[PRT_DRFT].ob_state |= SELECTED;
form[PRT_TEXT].ob_state |= SELECTED;
rsrc_gaddr(ROOT, NOTE_DIA, &form);
form[N_LOCK].ob_state |= SELECTED;
for (i = N_LINE2; i <= N_LINE7; i++)
{
form[i].ob_spec.tedinfo->te_ptmplt = form[N_LINE1].ob_spec.tedinfo->te_ptmplt;
form[i].ob_spec.tedinfo->te_pvalid = form[N_LINE1].ob_spec.tedinfo->te_pvalid;
form[i].ob_spec.tedinfo->te_txtlen = 40;
form[i].ob_spec.tedinfo->te_tmplen = 40;
}
rsrc_gaddr(ROOT, NEW_RULR, &form);
*form[TAB_WDTH].ob_spec.tedinfo->te_ptext = 0;
rsrc_gaddr(ROOT, TXT_INFO, &form);
form[EINZ_SWT].ob_state |= SELECTED;
form[PASS_SWT].ob_state |= SELECTED;
for (i = TI_LINE1; i <= TI_LINE9; i++)
{
form[i].ob_spec.tedinfo->te_ptmplt = form[TI_LINE1].ob_spec.tedinfo->te_ptmplt;
form[i].ob_spec.tedinfo->te_pvalid = form[TI_LINE1].ob_spec.tedinfo->te_pvalid;
form[i].ob_spec.tedinfo->te_tmplen = 40;
form[i].ob_spec.tedinfo->te_txtlen = 40;
}
form[TI_LINEA].ob_spec.tedinfo->te_txtlen = 34;
form[TI_BEARE].ob_spec.tedinfo->te_txtlen = 29;
rsrc_gaddr(ROOT, KOPFFUSS, &form);
for (i = 0; i < 12; i++)
{
form[kf_anp[i]].ob_spec.tedinfo->te_ptmplt = form[G_LFT_1].ob_spec.tedinfo->te_ptmplt;
form[kf_anp[i]].ob_spec.tedinfo->te_pvalid = form[G_LFT_1].ob_spec.tedinfo->te_pvalid;
form[kf_anp[i]].ob_spec.tedinfo->te_txtlen = 26;
form[kf_anp[i]].ob_spec.tedinfo->te_tmplen = 26;
}
rsrc_gaddr(ROOT, FLOSKEL, &form);
for (i = FLSK_L1; i <= FLSK_L5; i++)
{
form[i].ob_spec.tedinfo->te_ptmplt = form[FLSK_L1].ob_spec.tedinfo->te_ptmplt;
form[i].ob_spec.tedinfo->te_pvalid = form[FLSK_L1].ob_spec.tedinfo->te_pvalid;
form[i].ob_spec.tedinfo->te_tmplen = 40;
form[i].ob_spec.tedinfo->te_txtlen = 40;
}
get_work(0);
rsrc_gaddr(ROOT, BACKGRND, &back);
back[ROOT].ob_x = wx;
back[ROOT].ob_y = wy;
back[ROOT].ob_width = ww;
back[ROOT].ob_height = wh;
ww = (ww - 20) / 10;
wx += 10;
wy = wh - back[F1].ob_height - 20;
for (i = 0; i < 40; i += 4)
{
back[F1 + i].ob_x = wx;
back[F1 + i].ob_y = wy;
back[F1 + i].ob_width = ww;
back[F1_BUT + i].ob_width = ww;
back[F1_BUT + i].ob_type = G_BOX;
back[F1_BUT].ob_spec.index |= 0xFF0000;
back[F1_TXT + i].ob_width = ww;
back[F1_TXT + i].ob_spec.tedinfo->te_ptext = f_text[((i < 36) ? i / 4 + 1 : 0)];
wx += ww;
}
wind_set(0, WF_NEWDESK, back, 0, 0);
full_redraw();
}
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:
info->last_restart = time(NULL);
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;
}
}
/* Give a full allotment of jobs after a restart, not waiting
* for the status update telling us how much to give. */
jobs = info->usb_init_base.inflight_target;
} else {
/* Only adjust die clocks if there's no restart since two
* restarts back to back get ignored. */
hfa_temp_clock(hashfast, info);
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++;
op_hash_data.starting_nonce = 0;
op_hash_data.nonce_loops = 0;
op_hash_data.ntime_loops = 0;
/* Set the number of leading zeroes to look for based on diff.
* Diff 1 = 32, Diff 2 = 33, Diff 4 = 34 etc. */
intdiff = (uint64_t)work->device_diff;
for (i = 31; intdiff; i++, intdiff >>= 1);
op_hash_data.search_difficulty = i;
op_hash_data.group = 0;
if ((sequence = info->hash_sequence_head + 1) >= info->num_sequence)
sequence = 0;
ret = hfa_send_frame(hashfast, OP_HASH, sequence, (uint8_t *)&op_hash_data, sizeof(op_hash_data));
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;
}
}
mutex_lock(&info->lock);
info->hash_sequence_head = sequence;
info->works[info->hash_sequence_head] = work;
mutex_unlock(&info->lock);
applog(LOG_DEBUG, "%s %d: OP_HASH sequence %d search_difficulty %d work_difficulty %g",
hashfast->drv->name, hashfast->device_id, info->hash_sequence_head,
op_hash_data.search_difficulty, work->work_difficulty);
}
/* Only count 2/3 of the hashes to smooth out the hashrate for cycles
* that have no hashes added. */
mutex_lock(&info->lock);
hashes = info->hash_count / 3 * 2;
info->calc_hashes += hashes;
info->hash_count -= hashes;
mutex_unlock(&info->lock);
return hashes;
}
static void spondoolies_update_work_sp50(struct cgpu_info *cgpu)
{
struct spond_adapter *device = cgpu->device_data;
struct thr_info *thr = cgpu->thr[0];
struct work *work = NULL;
struct pool *pool = NULL;
// setup thread flags
SPONDLOG(LOG_DEBUG, "New stratum: restart: %d, update: %d", thr->work_restart, thr->work_update);
thr->work_update = false;
thr->work_restart = false;
work = get_work(thr, thr->id); /* Make sure pool is ready */
discard_work(work); /* Don't leak memory */
// lets check pool job parameters
pool = current_pool();
if (!pool->has_stratum) {
quit(1, "%s: Miner Manager have to use stratum pool", sp50_drv.dname);
}
if (pool->coinbase_len > SPOND_MAX_COINBASE_LEN) {
SPONDLOG(LOG_ERR, "Miner Manager pool coinbase length[%d] have to less then %d",
pool->coinbase_len,
SPOND_MAX_COINBASE_LEN);
return;
}
if (pool->merkles > SPOND_MAX_MERKLES) {
SPONDLOG(LOG_ERR, "Miner Manager merkles have to less then %d", SPOND_MAX_MERKLES);
return;
}
// need to lock driver, since we may drop all jobs
// ######### DEVICE LOCK
//
pthread_mutex_lock(&device->lock);
// lock and copy pool data
// in our case pool_no is always same number
// but swork.job_id changes each job
cg_rlock(&pool->data_lock);
copy_pool_stratum(device, pool);
cg_runlock(&pool->data_lock);
/*
* fill job and send it to miner
*/
pxgate_req_packet req_packet;
memset(&req_packet, 0, sizeof(req_packet));
req_packet.header.protocol_version = pxgate_PROTOCOL_VERSION;
req_packet.header.message_type = pxgate_MESSAGE_TYPE_JOB_REQ;
req_packet.header.message_size = sizeof(req_packet)-sizeof(req_packet.header);
// TODO: use MACRO
req_packet.mask = 0x01; // 0x01 = first request, 0x2 = drop old work
if (device->drop_old_jobs) {
req_packet.mask |= 0x02; // drop old work
device->drop_old_jobs = 0;
}
// currently we will send only one job
fill_pxgate_request(&req_packet.req, cgpu);
// ######### DEVICE UNLOCK
//
pthread_mutex_unlock(&device->lock);
do_write(device->socket_fd, &req_packet, sizeof(req_packet));
/*
* read the response from miner
*/
pxgate_gen_packet rsp_packet;
uint32_t size = 0;
if ((size = do_read_packet(device->socket_fd, &rsp_packet, sizeof(rsp_packet))) != sizeof(rsp_packet)) {
quit(1, "%s: critical error, packet sent from miner is bad received size[%u] expected [%u], quiting...",
sp50_drv.dname,
size,
sizeof(rsp_packet)
);
}
switch (rsp_packet.header.message_type) {
case pxgate_MESSAGE_TYPE_JOB_REQ_ACK:
SPONDLOG(LOG_DEBUG, "pxgate_MESSAGE_TYPE_JOB_REQ_ACK");
break;
case pxgate_MESSAGE_TYPE_JOB_REQ_REJ:
SPONDLOG(LOG_DEBUG, "pxgate_MESSAGE_TYPE_JOB_REQ_REJ");
break;
default:
SPONDLOG(LOG_ERR, "unexpected type[%x]", rsp_packet.header.message_type);
return;
}
/*
* everything is ok, we cache the job
*/
device->current_job_id = (device->current_job_id++) % MAX_SW_JOB_INDEX_IN_MINERGATE;
}
/*===========================================================================*
* main *
*===========================================================================*/
int main(void)
{
/* This is the main routine of this service. The main loop consists of
* three major activities: getting new work, processing the work, and
* sending the reply. The loop never terminates, unless a panic occurs.
*/
message m; /* request message */
int ipc_status; /* status code */
int call_nr, who_e,who_p; /* call number and caller */
int result; /* result to return */
int s;
/* SEF local startup. */
sef_local_startup();
if (OK != (s=sys_getmachine(&machine)))
panic("couldn't get machine info: %d", s);
if (OK != (s=sys_getkinfo(&kinfo)))
panic("couldn't get kernel kinfo: %d", s);
/* Main loop - get work and do it, forever. */
while (TRUE) {
/* Wait for request message. */
get_work(&m, &ipc_status);
who_e = m.m_source;
if(rs_isokendpt(who_e, &who_p) != OK) {
panic("message from bogus source: %d", who_e);
}
call_nr = m.m_type;
//if(who_e == 11)printf("Message for SEM recieved in RS\n");
/* Now determine what to do. Four types of requests are expected:
* - Heartbeat messages (notifications from registered system services)
* - System notifications (synchronous alarm)
* - User requests (control messages to manage system services)
* - Ready messages (reply messages from registered services)
*/
/* Notification messages are control messages and do not need a reply.
* These include heartbeat messages and system notifications.
*/
if (is_ipc_notify(ipc_status)) {
switch (who_p) {
case CLOCK:
do_period(&m); /* check services status */
continue;
default: /* heartbeat notification */
if (rproc_ptr[who_p] != NULL) { /* mark heartbeat time */
rproc_ptr[who_p]->r_alive_tm = m.NOTIFY_TIMESTAMP;
} else {
printf("RS: warning: got unexpected notify message from %d\n",
m.m_source);
}
}
}
/* If we get this far, this is a normal request.
* Handle the request and send a reply to the caller.
*/
else {
if (call_nr != COMMON_GETSYSINFO &&
(call_nr < RS_RQ_BASE || call_nr >= RS_RQ_BASE+0x100))
{
/* Ignore invalid requests. Do not try to reply. */
printf("RS: warning: got invalid request %d from endpoint %d\n",
call_nr, m.m_source);
continue;
}
/* Handler functions are responsible for permission checking. */
switch(call_nr) {
/* User requests. */
case RS_UP: result = do_up(&m); break;
case RS_DOWN: result = do_down(&m); break;
case RS_REFRESH: result = do_refresh(&m); break;
case RS_RESTART: result = do_restart(&m); break;
case RS_SHUTDOWN: result = do_shutdown(&m); break;
case RS_UPDATE: result = do_update(&m); break;
case RS_CLONE: result = do_clone(&m); break;
case RS_EDIT: result = do_edit(&m); break;
case COMMON_GETSYSINFO:
result = do_getsysinfo(&m); break;
case RS_LOOKUP: result = do_lookup(&m); break;
/* Ready messages. */
case RS_INIT: result = do_init_ready(&m); break;
case RS_LU_PREPARE: result = do_upd_ready(&m); break;
default:
printf("RS: warning: got unexpected request %d from %d\n",
m.m_type, m.m_source);
result = EINVAL;
}
/* Finally send reply message, unless disabled. */
if (result != EDONTREPLY) {
m.m_type = result;
reply(who_e, NULL, &m);
}
}
}
}
/*===========================================================================*
* main *
*===========================================================================*/
int main(int argc, char *argv[])
{
/* This is the main routine of this service. The main loop consists of
* three major activities: getting new work, processing the work, and
* sending the reply. The loop never terminates, unless a panic occurs.
*/
int ind, do_reply, transid;
message pfs_m_in;
message pfs_m_out;
/* SEF local startup. */
env_setargs(argc, argv);
sef_local_startup();
while(!unmountdone || !exitsignaled) {
endpoint_t src;
do_reply = 1;
/* Wait for request message. */
get_work(&pfs_m_in);
transid = TRNS_GET_ID(pfs_m_in.m_type);
pfs_m_in.m_type = TRNS_DEL_ID(pfs_m_in.m_type);
if (pfs_m_in.m_type == 0) {
assert(!IS_VFS_FS_TRANSID(transid));
pfs_m_in.m_type = transid;
transid = 0;
} else
assert(IS_VFS_FS_TRANSID(transid) || transid == 0);
src = pfs_m_in.m_source;
caller_uid = INVAL_UID; /* To trap errors */
caller_gid = INVAL_GID;
req_nr = pfs_m_in.m_type;
if (IS_DEV_RQ(req_nr)) {
ind = req_nr - DEV_RQ_BASE;
if (ind < 0 || ind >= DEV_CALL_VEC_SIZE) {
printf("pfs: bad DEV request %d\n", req_nr);
pfs_m_out.m_type = EINVAL;
} else {
int result;
result = (*dev_call_vec[ind])(&pfs_m_in, &pfs_m_out);
if (pfs_m_out.REP_STATUS == SUSPEND ||
result == SUSPEND) {
/* Nothing to tell, so not replying */
do_reply = 0;
}
}
} else if (IS_VFS_RQ(req_nr)) {
ind = req_nr - VFS_BASE;
if (ind < 0 || ind >= FS_CALL_VEC_SIZE) {
printf("pfs: bad FS request %d\n", req_nr);
pfs_m_out.m_type = EINVAL;
} else {
pfs_m_out.m_type =
(*fs_call_vec[ind])(&pfs_m_in, &pfs_m_out);
}
} else {
printf("pfs: bad request %d\n", req_nr);
pfs_m_out.m_type = EINVAL;
}
if (do_reply) {
if (IS_VFS_RQ(req_nr) && IS_VFS_FS_TRANSID(transid)) {
pfs_m_out.m_type = TRNS_ADD_ID(pfs_m_out.m_type,
transid);
}
reply(src, &pfs_m_out);
}
}
return(OK);
}
static int64_t avalon2_scanhash(struct thr_info *thr)
{
struct avalon2_pkg send_pkg;
struct pool *pool;
struct cgpu_info *avalon2 = thr->cgpu;
struct avalon2_info *info = avalon2->device_data;
int64_t h;
uint32_t tmp, range, start;
int i;
if (thr->work_restart || thr->work_update ||
info->first) {
info->new_stratum = true;
applog(LOG_DEBUG, "Avalon2: New stratum: restart: %d, update: %d, first: %d",
thr->work_restart, thr->work_update, info->first);
thr->work_update = false;
thr->work_restart = false;
if (unlikely(info->first))
info->first = false;
get_work(thr, thr->id); /* Make sure pool is ready */
pool = current_pool();
if (!pool->has_stratum)
quit(1, "Avalon2: Miner Manager have to use stratum pool");
if (pool->swork.cb_len > AVA2_P_COINBASE_SIZE)
quit(1, "Avalon2: Miner Manager pool coinbase length have to less then %d", AVA2_P_COINBASE_SIZE);
if (pool->swork.merkles > AVA2_P_MERKLES_COUNT)
quit(1, "Avalon2: Miner Manager merkles have to less then %d", AVA2_P_MERKLES_COUNT);
info->diff = (int)pool->swork.diff - 1;
info->pool_no = pool->pool_no;
cg_wlock(&pool->data_lock);
avalon2_stratum_pkgs(info->fd, pool, thr);
cg_wunlock(&pool->data_lock);
/* Configuer the parameter from outside */
info->fan_pwm = opt_avalon2_fan_min;
info->set_voltage = opt_avalon2_voltage_min;
info->set_frequency = opt_avalon2_freq_min;
/* Set the Fan, Voltage and Frequency */
memset(send_pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(info->fan_pwm);
memcpy(send_pkg.data, &tmp, 4);
tmp = encode_voltage(info->set_voltage);
tmp = be32toh(tmp);
memcpy(send_pkg.data + 4, &tmp, 4);
tmp = be32toh(info->set_frequency);
memcpy(send_pkg.data + 8, &tmp, 4);
/* Configure the nonce2 offset and range */
range = 0xffffffff / total_devices;
start = range * avalon2->device_id;
tmp = be32toh(start);
memcpy(send_pkg.data + 12, &tmp, 4);
tmp = be32toh(range);
memcpy(send_pkg.data + 16, &tmp, 4);
/* Package the data */
avalon2_init_pkg(&send_pkg, AVA2_P_SET, 1, 1);
while (avalon2_send_pkg(info->fd, &send_pkg, thr) != AVA2_SEND_OK)
;
info->new_stratum = false;
}
polling(thr);
h = 0;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
h += info->local_work[i];
}
return h * 0xffffffff;
}
/*===========================================================================*
* main *
*===========================================================================*/
int main(void)
{
/* This is the main program of the file system. The main loop consists of
* three major activities: getting new work, processing the work, and sending
* the reply. This loop never terminates as long as the file system runs.
*/
int transid;
struct worker_thread *wp;
/* SEF local startup. */
sef_local_startup();
printf("Started VFS: %d worker thread(s)\n", NR_WTHREADS);
/* This is the main loop that gets work, processes it, and sends replies. */
while (TRUE) {
worker_yield(); /* let other threads run */
send_work();
/* The get_work() function returns TRUE if we have a new message to
* process. It returns FALSE if it spawned other thread activities.
*/
if (!get_work())
continue;
transid = TRNS_GET_ID(m_in.m_type);
if (IS_VFS_FS_TRANSID(transid)) {
wp = worker_get((thread_t) transid - VFS_TRANSID);
if (wp == NULL || wp->w_fp == NULL) {
printf("VFS: spurious message %d from endpoint %d\n",
m_in.m_type, m_in.m_source);
continue;
}
m_in.m_type = TRNS_DEL_ID(m_in.m_type);
do_reply(wp);
continue;
} else if (who_e == PM_PROC_NR) { /* Calls from PM */
/* Special control messages from PM */
service_pm();
continue;
} else if (is_notify(call_nr)) {
/* A task ipc_notify()ed us */
switch (who_e) {
case DS_PROC_NR:
/* Start a thread to handle DS events, if no thread
* is pending or active for it already. DS is not
* supposed to issue calls to VFS or be the subject of
* postponed PM requests, so this should be no problem.
*/
if (worker_can_start(fp))
handle_work(ds_event);
break;
case KERNEL:
mthread_stacktraces();
break;
case CLOCK:
/* Timer expired. Used only for select(). Check it. */
expire_timers(m_in.m_notify.timestamp);
break;
default:
printf("VFS: ignoring notification from %d\n", who_e);
}
continue;
} else if (who_p < 0) { /* i.e., message comes from a task */
/* We're going to ignore this message. Tasks should
* send ipc_notify()s only.
*/
printf("VFS: ignoring message from %d (%d)\n", who_e, call_nr);
continue;
}
if (IS_BDEV_RS(call_nr)) {
/* We've got results for a block device request. */
bdev_reply();
} else if (IS_CDEV_RS(call_nr)) {
/* We've got results for a character device request. */
cdev_reply();
} else {
/* Normal syscall. This spawns a new thread. */
handle_work(do_work);
}
}
return(OK); /* shouldn't come here */
}
static int64_t serial_fpga_scanwork(struct thr_info *thr)
{
struct cgpu_info *serial_fpga;
int fd;
int ret;
struct FPGA_INFO *info;
unsigned char ob_bin[44], nonce_buf[SERIAL_READ_SIZE];
char *ob_hex;
uint32_t nonce;
int64_t hash_count;
struct timeval tv_start, tv_finish, elapsed, tv_end, diff;
int curr_hw_errors, i, j;
uint32_t * ob;
ob = (uint32_t *)ob_bin;
int count;
double Hs, W, fullnonce;
int read_count;
int64_t estimate_hashes;
uint32_t values;
int64_t hash_count_range;
struct work *work;
applog(LOG_DEBUG, "serial_fpga_scanwork...");
if (thr->cgpu->deven == DEV_DISABLED)
return -1;
serial_fpga = thr->cgpu;
info = serial_fpga->device_data;
work = get_work(thr, thr->id);
if (info->device_fd == -1) {
applog(LOG_INFO, "Attemping to Reopen Serial FPGA on %s", serial_fpga->device_path);
fd = serial_open(serial_fpga->device_path, SERIAL_IO_SPEED, SERIAL_READ_TIMEOUT, false);
if (unlikely(-1 == fd)) {
applog(LOG_ERR, "Failed to open Serial FPGA on %s",
serial_fpga->device_path);
return -1;
}
else
info->device_fd = fd;
}
fd = info->device_fd;
memset(ob_bin, 0, sizeof(ob_bin));
// Currently, extra nonces are not supported
//
memset((unsigned char*)work->data + 144, 0, 12);
//
//
calc_midstate(work);
memcpy(ob_bin, work->midstate, 32); // Midstate
memcpy(ob_bin + 32, work->data + 128, 12); // Remaining Bytes From Block Header
// Send Bytes To FPGA In Reverse Order
unsigned char swap[44];
uint32_t * sw;
sw = (uint32_t *)swap;
for (j=0; j<8; j++) {
sw[j] = swab32(ob[j]);
}
memcpy(swap + 32, ob_bin + 32, 12);
for (j=0; j<44; j++) {
ob_bin[j] = swap[j];
}
//unsigned char* b = (unsigned char*)(ob_bin);
//applog(LOG_WARNING, "swap: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", b[28],b[29],b[30],b[31],b[32],b[33],b[34],b[35],b[36],b[37],b[38],b[39],b[40],b[41],b[42],b[43]);
//applog(LOG_WARNING, "swap: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7],b[8],b[9],b[10],b[11],b[12],b[13],b[14],b[15],b[16],b[17],b[18],b[19],b[20],b[21],b[22],b[23],b[24],b[25],b[26],b[27],b[28],b[29],b[30],b[31],b[32],b[33],b[34],b[35],b[36],b[37],b[38],b[39],b[40],b[41],b[42],b[43]);
//#ifndef WIN32
// tcflush(fd, TCOFLUSH);
//#endif
// Send Data To FPGA
ret = write(fd, ob_bin, sizeof(ob_bin));
if (ret != sizeof(ob_bin)) {
applog(LOG_ERR, "%s%i: Serial Send Error (ret=%d)", serial_fpga->drv->name, serial_fpga->device_id, ret);
serial_fpga_close(thr);
dev_error(serial_fpga, REASON_DEV_COMMS_ERROR);
return 0;
}
if (opt_debug) {
ob_hex = bin2hex(ob_bin, sizeof(ob_bin));
applog(LOG_DEBUG, "Serial FPGA %d sent: %s",
serial_fpga->device_id, ob_hex);
free(ob_hex);
}
elapsed.tv_sec = 0;
elapsed.tv_usec = 0;
cgtime(&tv_start);
applog(LOG_DEBUG, "%s%i: Begin Scan For Nonces", serial_fpga->drv->name, serial_fpga->device_id);
while (thr && !thr->work_restart) {
memset(nonce_buf,0,4);
// Check Serial Port For 1/10 Sec For Nonce
ret = read(fd, nonce_buf, SERIAL_READ_SIZE);
// Calculate Elapsed Time
cgtime(&tv_end);
timersub(&tv_end, &tv_start, &elapsed);
if (ret == 0) { // No Nonce Found
if (elapsed.tv_sec > info->timeout) {
applog(LOG_DEBUG, "%s%i: End Scan For Nonces - Time = %d sec", serial_fpga->drv->name, serial_fpga->device_id, elapsed.tv_sec);
break;
}
continue;
}
else if (ret < SERIAL_READ_SIZE) {
applog(LOG_ERR, "%s%i: Serial Read Error (ret=%d)", serial_fpga->drv->name, serial_fpga->device_id, ret);
serial_fpga_close(thr);
dev_error(serial_fpga, REASON_DEV_COMMS_ERROR);
break;
}
memcpy((char *)&nonce, nonce_buf, SERIAL_READ_SIZE);
#if !defined (__BIG_ENDIAN__) && !defined(MIPSEB)
nonce = swab32(nonce);
#endif
curr_hw_errors = serial_fpga->hw_errors;
applog(LOG_INFO, "%s%i: Nonce Found - %08X (%5.1fMhz)", serial_fpga->drv->name, serial_fpga->device_id, nonce, (double)(1/(info->Hs * 1000000)));
submit_nonce(thr, work, nonce);
// Update Hashrate
if (serial_fpga->hw_errors == curr_hw_errors)
info->Hs = ((double)(elapsed.tv_sec) + ((double)(elapsed.tv_usec))/((double)1000000)) / (double)nonce;
}
// Estimate Number Of Hashes
hash_count = ((double)(elapsed.tv_sec) + ((double)(elapsed.tv_usec))/((double)1000000)) / info->Hs;
free_work(work);
return hash_count;
}
// pool switching code
bool pool_switch(int thr_id, int pooln)
{
int prevn = cur_pooln;
bool algo_switch = false;
struct pool_infos *prev = &pools[cur_pooln];
struct pool_infos* p = NULL;
// save prev stratum connection infos (struct)
if (prev->type & POOL_STRATUM) {
// may not be the right moment to free,
// to check if required on submit...
stratum_free_job(&stratum);
prev->stratum = stratum;
}
if (pooln < num_pools) {
cur_pooln = pooln;
p = &pools[cur_pooln];
} else {
applog(LOG_ERR, "Switch to inexistant pool %d!", pooln);
return false;
}
// save global attributes
prev->allow_mininginfo = allow_mininginfo;
prev->allow_gbt = allow_gbt;
prev->check_dups = check_dups;
pthread_mutex_lock(&stratum_work_lock);
free(rpc_user); rpc_user = strdup(p->user);
free(rpc_pass); rpc_pass = strdup(p->pass);
free(rpc_url); rpc_url = strdup(p->url);
short_url = p->short_url; // just a pointer, no alloc
opt_scantime = p->scantime;
opt_max_diff = p->max_diff;
opt_max_rate = p->max_rate;
opt_shares_limit = p->shares_limit;
opt_time_limit = p->time_limit;
want_stratum = have_stratum = (p->type & POOL_STRATUM) != 0;
// yiimp stats reporting
opt_stratum_stats = (strstr(p->pass, "stats") != NULL) || (strcmp(p->user, "benchmark") == 0);
pthread_mutex_unlock(&stratum_work_lock);
// algo "blind" switch without free, not proper
// todo: barrier required to free algo resources
if (p->algo != (int) opt_algo) {
if (opt_algo != ALGO_AUTO) {
algo_switch = true;
pthread_mutex_lock(&stats_lock);
for (int n=0; n<opt_n_threads; n++)
thr_hashrates[n] = 0.;
stats_purge_all();
if (check_dups)
hashlog_purge_all();
pthread_mutex_unlock(&stats_lock);
}
opt_algo = (enum sha_algos) p->algo;
}
if (prevn != cur_pooln) {
pool_switch_count++;
net_diff = 0;
g_work_time = 0;
g_work.data[0] = 0;
pool_is_switching = true;
stratum_need_reset = true;
// used to get the pool uptime
firstwork_time = time(NULL);
restart_threads();
// reset wait states
for (int n=0; n<opt_n_threads; n++)
conditional_state[n] = false;
// restore flags
allow_gbt = p->allow_gbt;
allow_mininginfo = p->allow_mininginfo;
check_dups = p->check_dups;
if (want_stratum) {
// temporary... until stratum code cleanup
stratum = p->stratum;
stratum.pooln = cur_pooln;
// unlock the stratum thread
tq_push(thr_info[stratum_thr_id].q, strdup(rpc_url));
applog(LOG_BLUE, "Switch to stratum pool %d: %s", cur_pooln,
strlen(p->name) ? p->name : p->short_url);
} else {
applog(LOG_BLUE, "Switch to pool %d: %s", cur_pooln,
strlen(p->name) ? p->name : p->short_url);
}
// will unlock the longpoll thread on /LP url receive
want_longpoll = (p->type & POOL_LONGPOLL) || !(p->type & POOL_STRATUM);
if (want_longpoll) {
pthread_mutex_lock(&stratum_work_lock);
// will issue a lp_url request to unlock the longpoll thread
have_longpoll = false;
get_work(&thr_info[0], &g_work);
pthread_mutex_unlock(&stratum_work_lock);
}
}
return true;
}
static void *miner_thread(void *thr_id_int)
{
int thr_id = (unsigned long) thr_id_int;
int failures = 0;
uint32_t max_nonce = 0xffffff, max_nonce2;
CURL *curl;
if (opt_randomize) {
srandom(time(0));
}
curl = curl_easy_init();
if (!curl) {
fprintf(stderr, "CURL initialization failed\n");
return NULL;
}
while (1) {
struct work work __attribute__((aligned(128)));
unsigned long hashes_done;
struct timeval tv_start, tv_end, diff;
bool rc;
/* obtain new work from bitcoin */
if (!get_work(curl, &work)) {
fprintf(stderr, "json_rpc_call failed, ");
if ((opt_retries >= 0) && (++failures > opt_retries)) {
fprintf(stderr, "terminating thread\n");
return NULL; /* exit thread */
}
/* pause, then restart work loop */
fprintf(stderr, "retry after %d seconds\n",
opt_fail_pause);
sleep(opt_fail_pause);
continue;
}
if (!validate_midstate(work.data, work.midstate)) {
printf("SERVER PROBLEM: work.midstate does not equal SHA256 state after first 64-byte chunk\n");
}
hashes_done = 0;
gettimeofday(&tv_start, NULL);
if (opt_randomize) {
max_nonce2 = max_nonce*(1.0 + (double)random()/(RAND_MAX+1.0) - 0.5);
} else {
max_nonce2 = max_nonce;
}
/* scan nonces for a proof-of-work hash */
switch (opt_algo) {
case ALGO_C:
rc = scanhash_c(work.midstate, work.data + 64,
work.hash1, work.hash, work.target,
max_nonce2, &hashes_done);
break;
#ifdef WANT_SSE2_4WAY
case ALGO_4WAY: {
unsigned int rc4 =
ScanHash_4WaySSE2(work.midstate, work.data + 64,
work.hash1, work.hash,
work.target,
max_nonce2, &hashes_done);
rc = (rc4 == -1) ? false : true;
}
break;
#endif
#ifdef WANT_VIA_PADLOCK
case ALGO_VIA:
rc = scanhash_via(work.data, work.target,
max_nonce2, &hashes_done);
break;
#endif
case ALGO_CRYPTOPP:
rc = scanhash_cryptopp(work.midstate, work.data + 64,
work.hash1, work.hash, work.target,
max_nonce2, &hashes_done);
break;
#ifdef WANT_CRYPTOPP_ASM32
case ALGO_CRYPTOPP_ASM32:
rc = scanhash_asm32(work.midstate, work.data + 64,
work.hash1, work.hash, work.target,
max_nonce2, &hashes_done);
break;
#endif
default:
/* should never happen */
return NULL;
}
/* record scanhash elapsed time */
gettimeofday(&tv_end, NULL);
timeval_subtract(&diff, &tv_end, &tv_start);
hashmeter(thr_id, &diff, hashes_done);
/* adjust max_nonce to meet target scan time */
if (diff.tv_sec > (opt_scantime * 2))
max_nonce /= 2; /* large decrease */
else if ((diff.tv_sec > opt_scantime) &&
(max_nonce > 1500000))
max_nonce -= 1000000; /* small decrease */
else if ((diff.tv_sec < opt_scantime) &&
(max_nonce < 0xffffec76))
max_nonce += 100000; /* small increase */
/* if nonce found, submit work */
if (rc)
submit_work(curl, &work);
failures = 0;
}
curl_easy_cleanup(curl);
return NULL;
}