Beispiel #1
0
void
bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq)
{
	u32	r32;

	r32 = bfa_reg_read(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq]);
	bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ctrl[rspq], r32);
}
Beispiel #2
0
void
bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
{
	u32 intr, curr_value;

	intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status);

	if (intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1))
		bfa_msix_lpu(bfa);

	intr &= (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 |
		__HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS | __HFN_INT_LL_HALT);

	if (intr) {
		if (intr & __HFN_INT_LL_HALT) {
			/**
			 * If LL_HALT bit is set then FW Init Halt LL Port
			 * Register needs to be cleared as well so Interrupt
			 * Status Register will be cleared.
			 */
			curr_value = bfa_reg_read(bfa->ioc.ioc_regs.ll_halt);
			curr_value &= ~__FW_INIT_HALT_P;
			bfa_reg_write(bfa->ioc.ioc_regs.ll_halt, curr_value);
		}

		if (intr & __HFN_INT_ERR_PSS) {
			/**
			 * ERR_PSS bit needs to be cleared as well in case
			 * interrups are shared so driver's interrupt handler is
			 * still called eventhough it is already masked out.
			 */
			curr_value = bfa_reg_read(
					bfa->ioc.ioc_regs.pss_err_status_reg);
			curr_value &= __PSS_ERR_STATUS_SET;
			bfa_reg_write(bfa->ioc.ioc_regs.pss_err_status_reg,
					curr_value);
		}

		bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr);
		bfa_msix_errint(bfa, intr);
	}
}
Beispiel #3
0
void
bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
{
	u32 intr;

	intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status);

	if (intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1))
		bfa_msix_lpu(bfa);

	if (intr & (__HFN_INT_ERR_EMC |
		    __HFN_INT_ERR_LPU0 | __HFN_INT_ERR_LPU1 |
		    __HFN_INT_ERR_PSS))
		bfa_msix_errint(bfa, intr);
}
Beispiel #4
0
/**
 *  hal_intr_api
 */
bfa_boolean_t
bfa_intx(struct bfa_s *bfa)
{
	u32 intr, qintr;
	int queue;

	intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status);
	if (!intr)
		return BFA_FALSE;

	/**
	 * RME completion queue interrupt
	 */
	qintr = intr & __HFN_INT_RME_MASK;
	bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr);

	for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) {
		if (intr & (__HFN_INT_RME_Q0 << queue))
			bfa_msix_rspq(bfa, queue & (BFI_IOC_MAX_CQS - 1));
	}
	intr &= ~qintr;
	if (!intr)
		return BFA_TRUE;

	/**
	 * CPE completion queue interrupt
	 */
	qintr = intr & __HFN_INT_CPE_MASK;
	bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr);

	for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) {
		if (intr & (__HFN_INT_CPE_Q0 << queue))
			bfa_msix_reqq(bfa, queue & (BFI_IOC_MAX_CQS - 1));
	}
	intr &= ~qintr;
	if (!intr)
		return BFA_TRUE;

	bfa_msix_lpu_err(bfa, intr);

	return BFA_TRUE;
}