static int tpmfront_probe(struct xenbus_device *dev,
const struct xenbus_device_id *id)
{
struct tpm_private *priv;
int rv;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {
xenbus_dev_fatal(dev, -ENOMEM, "allocating priv structure");
return -ENOMEM;
}
rv = setup_chip(&dev->dev, priv);
if (rv) {
kfree(priv);
return rv;
}
rv = setup_ring(dev, priv);
if (rv) {
ring_free(priv);
return rv;
}
tpm_get_timeouts(priv->chip);
return tpm_chip_register(priv->chip);
}
int do_ring (struct layer *l, struct pdb_ATOM *model)
{
struct ring curr_ring;
double rho;
int new_site=-1;
for (rho = l->rhomin; rho <= l->rhomax; rho+=(l->dr))
{
curr_ring = setup_ring (rho, l);
/* hack for flagging cavity exposed atoms */
curr_ring.bExposed = (rho == l->rhomin);
print_ring(&curr_ring);
new_site = do_site (&curr_ring, model);
};
return new_site;
};
int main(int argc, char *argv[])
{
struct submitter *s = &submitters[0];
unsigned long done, calls, reap, cache_hit, cache_miss;
int err, i, flags, fd;
char *fdepths;
void *ret;
if (!do_nop && argc < 2) {
printf("%s: filename\n", argv[0]);
return 1;
}
flags = O_RDONLY | O_NOATIME;
if (!buffered)
flags |= O_DIRECT;
i = 1;
while (!do_nop && i < argc) {
struct file *f = &s->files[s->nr_files];
fd = open(argv[i], flags);
if (fd < 0) {
perror("open");
return 1;
}
f->real_fd = fd;
if (get_file_size(f)) {
printf("failed getting size of device/file\n");
return 1;
}
if (f->max_blocks <= 1) {
printf("Zero file/device size?\n");
return 1;
}
f->max_blocks--;
printf("Added file %s\n", argv[i]);
s->nr_files++;
i++;
}
if (fixedbufs) {
struct rlimit rlim;
rlim.rlim_cur = RLIM_INFINITY;
rlim.rlim_max = RLIM_INFINITY;
if (setrlimit(RLIMIT_MEMLOCK, &rlim) < 0) {
perror("setrlimit");
return 1;
}
}
arm_sig_int();
for (i = 0; i < DEPTH; i++) {
void *buf;
if (posix_memalign(&buf, BS, BS)) {
printf("failed alloc\n");
return 1;
}
s->iovecs[i].iov_base = buf;
s->iovecs[i].iov_len = BS;
}
err = setup_ring(s);
if (err) {
printf("ring setup failed: %s, %d\n", strerror(errno), err);
return 1;
}
printf("polled=%d, fixedbufs=%d, buffered=%d", polled, fixedbufs, buffered);
printf(" QD=%d, sq_ring=%d, cq_ring=%d\n", DEPTH, *s->sq_ring.ring_entries, *s->cq_ring.ring_entries);
pthread_create(&s->thread, NULL, submitter_fn, s);
fdepths = malloc(8 * s->nr_files);
cache_hit = cache_miss = reap = calls = done = 0;
do {
unsigned long this_done = 0;
unsigned long this_reap = 0;
unsigned long this_call = 0;
unsigned long this_cache_hit = 0;
unsigned long this_cache_miss = 0;
unsigned long rpc = 0, ipc = 0;
double hit = 0.0;
sleep(1);
this_done += s->done;
this_call += s->calls;
this_reap += s->reaps;
this_cache_hit += s->cachehit;
this_cache_miss += s->cachemiss;
if (this_cache_hit && this_cache_miss) {
unsigned long hits, total;
hits = this_cache_hit - cache_hit;
total = hits + this_cache_miss - cache_miss;
hit = (double) hits / (double) total;
hit *= 100.0;
}
if (this_call - calls) {
rpc = (this_done - done) / (this_call - calls);
ipc = (this_reap - reap) / (this_call - calls);
} else
rpc = ipc = -1;
file_depths(fdepths);
printf("IOPS=%lu, IOS/call=%ld/%ld, inflight=%u (%s), Cachehit=%0.2f%%\n",
this_done - done, rpc, ipc, s->inflight,
fdepths, hit);
done = this_done;
calls = this_call;
reap = this_reap;
cache_hit = s->cachehit;
cache_miss = s->cachemiss;
} while (!finish);
pthread_join(s->thread, &ret);
close(s->ring_fd);
free(fdepths);
return 0;
}
