C++ (Cpp) FIFOBARTOHANDLE Examples

Example #1

File: hpilo.c Project: Dashiee023/android_kernel_wiko_rainbow

static int fifo_check_recv(struct ilo_hwinfo *hw, char *fifobar)
{
	struct fifo *fifo_q = FIFOBARTOHANDLE(fifobar);
	unsigned long flags;
	int ret = 0;
	u64 c;

	spin_lock_irqsave(&hw->fifo_lock, flags);
	c = fifo_q->fifobar[fifo_q->head & fifo_q->imask];
	if (c & ENTRY_MASK_C)
		ret = 1;
	spin_unlock_irqrestore(&hw->fifo_lock, flags);

	return ret;
}

Example #2

File: hpilo.c Project: Dashiee023/android_kernel_wiko_rainbow

/*
 * FIFO queues, shared with hardware.
 *
 * If a queue has empty slots, an entry is added to the queue tail,
 * and that entry is marked as occupied.
 * Entries can be dequeued from the head of the list, when the device
 * has marked the entry as consumed.
 *
 * Returns true on successful queue/dequeue, false on failure.
 */
static int fifo_enqueue(struct ilo_hwinfo *hw, char *fifobar, int entry)
{
	struct fifo *fifo_q = FIFOBARTOHANDLE(fifobar);
	unsigned long flags;
	int ret = 0;

	spin_lock_irqsave(&hw->fifo_lock, flags);
	if (!(fifo_q->fifobar[(fifo_q->tail + 1) & fifo_q->imask]
	      & ENTRY_MASK_O)) {
		fifo_q->fifobar[fifo_q->tail & fifo_q->imask] |=
				(entry & ENTRY_MASK_NOSTATE) | fifo_q->merge;
		fifo_q->tail += 1;
		ret = 1;
	}
	spin_unlock_irqrestore(&hw->fifo_lock, flags);

	return ret;
}

Example #3

File: hpilo.c Project: Dashiee023/android_kernel_wiko_rainbow

static int fifo_dequeue(struct ilo_hwinfo *hw, char *fifobar, int *entry)
{
	struct fifo *fifo_q = FIFOBARTOHANDLE(fifobar);
	unsigned long flags;
	int ret = 0;
	u64 c;

	spin_lock_irqsave(&hw->fifo_lock, flags);
	c = fifo_q->fifobar[fifo_q->head & fifo_q->imask];
	if (c & ENTRY_MASK_C) {
		if (entry)
			*entry = c & ENTRY_MASK_NOSTATE;

		fifo_q->fifobar[fifo_q->head & fifo_q->imask] =
							(c | ENTRY_MASK) + 1;
		fifo_q->head += 1;
		ret = 1;
	}
	spin_unlock_irqrestore(&hw->fifo_lock, flags);

	return ret;
}

Example #4

File: hpilo.c Project: Dashiee023/android_kernel_wiko_rainbow

static inline void set_channel_reset(struct ccb *ccb)
{
	/* set a flag indicating this channel needs a reset */
	FIFOBARTOHANDLE(ccb->ccb_u1.send_fifobar)->reset = 1;
}

Example #5

File: hpilo.c Project: Dashiee023/android_kernel_wiko_rainbow

static inline int is_channel_reset(struct ccb *ccb)
{
	/* check for this particular channel needing a reset */
	return FIFOBARTOHANDLE(ccb->ccb_u1.send_fifobar)->reset;
}

Example #6

File: hpilo.c Project: romanbb/android_kernel_lge_d851

static inline void set_channel_reset(struct ccb *ccb)
{
	/*                                                  */
	FIFOBARTOHANDLE(ccb->ccb_u1.send_fifobar)->reset = 1;
}

Example #7

File: hpilo.c Project: romanbb/android_kernel_lge_d851

static inline int is_channel_reset(struct ccb *ccb)
{
	/*                                                   */
	return FIFOBARTOHANDLE(ccb->ccb_u1.send_fifobar)->reset;
}