linux/drivers/scsi/aacraid/dpcsup.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	Adaptec AAC series RAID controller driver
 *	(c) Copyright 2001 Red Hat Inc.
 *
 * based on the old aacraid driver that is..
 * Adaptec aacraid device driver for Linux.
 *
 * Copyright (c) 2000-2010 Adaptec, Inc.
 *               2010-2015 PMC-Sierra, Inc. ([email protected])
 *		 2016-2017 Microsemi Corp. ([email protected])
 *
 * Module Name:
 *  dpcsup.c
 *
 * Abstract: All DPC processing routines for the cyclone board occur here.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>

#include "aacraid.h"

/**
 *	aac_response_normal	-	Handle command replies
 *	@q: Queue to read from
 *
 *	This DPC routine will be run when the adapter interrupts us to let us
 *	know there is a response on our normal priority queue. We will pull off
 *	all QE there are and wake up all the waiters before exiting. We will
 *	take a spinlock out on the queue before operating on it.
 */

unsigned int aac_response_normal(struct aac_queue * q)
{ … }


/**
 *	aac_command_normal	-	handle commands
 *	@q: queue to process
 *
 *	This DPC routine will be queued when the adapter interrupts us to 
 *	let us know there is a command on our normal priority queue. We will 
 *	pull off all QE there are and wake up all the waiters before exiting.
 *	We will take a spinlock out on the queue before operating on it.
 */
 
unsigned int aac_command_normal(struct aac_queue *q)
{ … }

/*
 *
 * aac_aif_callback
 * @context: the context set in the fib - here it is scsi cmd
 * @fibptr: pointer to the fib
 *
 * Handles the AIFs - new method (SRC)
 *
 */

static void aac_aif_callback(void *context, struct fib * fibptr)
{ … }


/*
 *	aac_intr_normal	-	Handle command replies
 *	@dev: Device
 *	@index: completion reference
 *
 *	This DPC routine will be run when the adapter interrupts us to let us
 *	know there is a response on our normal priority queue. We will pull off
 *	all QE there are and wake up all the waiters before exiting.
 */
unsigned int aac_intr_normal(struct aac_dev *dev, u32 index, int isAif,
	int isFastResponse, struct hw_fib *aif_fib)
{ … }