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Create basic read and write threads that will be used by hashfast driver.

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This commit is contained in:
Con Kolivas 2013-10-14 00:18:23 +11:00
parent 93d1f93fdd
commit 598b58c8ce
2 changed files with 43 additions and 3 deletions
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40
driver-hashfast.c
View File

@ -324,7 +324,7 @@ static bool hashfast_detect_common(struct cgpu_info *hashfast)
return true;
}
static void hashfast_usb_initialise(struct cgpu_info *hashfast)
static void hashfast_initialise(struct cgpu_info *hashfast)
{
if (hashfast->usbinfo.nodev)
return;
@ -346,7 +346,7 @@ static bool hashfast_detect_one_usb(libusb_device *dev, struct usb_find_devices
hashfast->usbdev->usb_type = USB_TYPE_STD;
hashfast_usb_initialise(hashfast);
hashfast_initialise(hashfast);
add_cgpu(hashfast);
@ -361,8 +361,42 @@ static void hashfast_detect(bool hotplug)
usb_detect(&hashfast_drv, hashfast_detect_one_usb);
}
static bool hashfast_prepare(struct thr_info __maybe_unused *thr)
static void *hf_read(void *arg)
{
struct cgpu_info *hashfast = (struct cgpu_info *)arg;
struct hashfast_info *info = hashfast->device_data;
while (likely(!hashfast->shutdown)) {
}
return NULL;
}
static void *hf_write(void *arg)
{
struct cgpu_info *hashfast = (struct cgpu_info *)arg;
struct hashfast_info *info = hashfast->device_data;
while (likely(!hashfast->shutdown)) {
}
return NULL;
}
static bool hashfast_prepare(struct thr_info*thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
struct timeval now;
mutex_init(&info->lock);
mutex_init(&info->write_mutex);
if (pthread_cond_init(&info->write_cond, NULL))
quit(1, "Failed to pthread_cond_init in hashfast_prepare");
if (pthread_create(&info->read_thr, NULL, hf_read, (void *)hashfast))
quit(1, "Failed to pthread_create read thr in hashfast_prepare");
if (pthread_create(&info->write_thr, NULL, hf_write, (void *)hashfast))
quit(1, "Failed to pthread_create write thr in hashfast_prepare");
return true;
}

6
driver-hashfast.h
View File

@ -44,10 +44,16 @@ struct hashfast_info {
int core_bitmap_size; // in bytes
uint32_t *core_bitmap; // Core OK bitmap test results, run with PLL Bypassed
pthread_mutex_t lock;
struct work **works;
uint16_t device_sequence_head; // The most recent sequence number the device dispatched
uint16_t device_sequence_tail; // The most recently completed job in the device
uint16_t hash_sequence_tail; // Follows device_sequence_tail around to free work
pthread_t read_thr;
pthread_t write_thr;
pthread_mutex_t write_mutex;
pthread_cond_t write_cond;
};
#endif /* USE_HASHFAST */