linux/drivers/scsi/bfa/bfa_hw_ct.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014- QLogic Corporation.
 * All rights reserved
 * www.qlogic.com
 *
 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
 */

#include "bfad_drv.h"
#include "bfa_modules.h"
#include "bfi_reg.h"

BFA_TRC_FILE(…);

/*
 * Dummy interrupt handler for handling spurious interrupt during chip-reinit.
 */
static void
bfa_hwct_msix_dummy(struct bfa_s *bfa, int vec)
{ … }

void
bfa_hwct_reginit(struct bfa_s *bfa)
{ … }

void
bfa_hwct2_reginit(struct bfa_s *bfa)
{ … }

void
bfa_hwct_reqq_ack(struct bfa_s *bfa, int reqq)
{ … }

/*
 * Actions to respond RME Interrupt for Catapult ASIC:
 * - Write 1 to Interrupt Status register (INTx only - done in bfa_intx())
 * - Acknowledge by writing to RME Queue Control register
 * - Update CI
 */
void
bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci)
{ … }

/*
 * Actions to respond RME Interrupt for Catapult2 ASIC:
 * - Write 1 to Interrupt Status register (INTx only - done in bfa_intx())
 * - Update CI
 */
void
bfa_hwct2_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci)
{ … }

void
bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *msix_vecs_bmap,
		 u32 *num_vecs, u32 *max_vec_bit)
{ … }

/*
 * Setup MSI-X vector for catapult
 */
void
bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs)
{ … }

void
bfa_hwct_msix_ctrl_install(struct bfa_s *bfa)
{ … }

void
bfa_hwct_msix_queue_install(struct bfa_s *bfa)
{ … }

void
bfa_hwct_msix_uninstall(struct bfa_s *bfa)
{ … }

/*
 * Enable MSI-X vectors
 */
void
bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix)
{ … }

void
bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start, u32 *end)
{ … }