linux/drivers/scsi/aacraid/rx.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:
 *  rx.c
 *
 * Abstract: Hardware miniport for Drawbridge specific hardware functions.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/completion.h>
#include <linux/time.h>
#include <linux/interrupt.h>

#include <scsi/scsi_host.h>

#include "aacraid.h"

static irqreturn_t aac_rx_intr_producer(int irq, void *dev_id)
{ … }

static irqreturn_t aac_rx_intr_message(int irq, void *dev_id)
{ … }

/**
 *	aac_rx_disable_interrupt	-	Disable interrupts
 *	@dev: Adapter
 */

static void aac_rx_disable_interrupt(struct aac_dev *dev)
{ … }

/**
 *	aac_rx_enable_interrupt_producer	-	Enable interrupts
 *	@dev: Adapter
 */

static void aac_rx_enable_interrupt_producer(struct aac_dev *dev)
{ … }

/**
 *	aac_rx_enable_interrupt_message	-	Enable interrupts
 *	@dev: Adapter
 */

static void aac_rx_enable_interrupt_message(struct aac_dev *dev)
{ … }

/**
 *	rx_sync_cmd	-	send a command and wait
 *	@dev: Adapter
 *	@command: Command to execute
 *	@p1: first parameter
 *	@p2: second parameter
 *	@p3: third parameter
 *	@p4: forth parameter
 *	@p5: fifth parameter
 *	@p6: sixth parameter
 *	@status: adapter status
 *	@r1: first return value
 *	@r2: second return value
 *	@r3: third return value
 *	@r4: forth return value
 *
 *	This routine will send a synchronous command to the adapter and wait 
 *	for its	completion.
 */

static int rx_sync_cmd(struct aac_dev *dev, u32 command,
	u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
	u32 *status, u32 * r1, u32 * r2, u32 * r3, u32 * r4)
{ … }

/**
 *	aac_rx_interrupt_adapter	-	interrupt adapter
 *	@dev: Adapter
 *
 *	Send an interrupt to the i960 and breakpoint it.
 */

static void aac_rx_interrupt_adapter(struct aac_dev *dev)
{ … }

/**
 *	aac_rx_notify_adapter		-	send an event to the adapter
 *	@dev: Adapter
 *	@event: Event to send
 *
 *	Notify the i960 that something it probably cares about has
 *	happened.
 */

static void aac_rx_notify_adapter(struct aac_dev *dev, u32 event)
{ … }

/**
 *	aac_rx_start_adapter		-	activate adapter
 *	@dev:	Adapter
 *
 *	Start up processing on an i960 based AAC adapter
 */

static void aac_rx_start_adapter(struct aac_dev *dev)
{ … }

/**
 *	aac_rx_check_health
 *	@dev: device to check if healthy
 *
 *	Will attempt to determine if the specified adapter is alive and
 *	capable of handling requests, returning 0 if alive.
 */
static int aac_rx_check_health(struct aac_dev *dev)
{ … }

/**
 *	aac_rx_deliver_producer
 *	@fib: fib to issue
 *
 *	Will send a fib, returning 0 if successful.
 */
int aac_rx_deliver_producer(struct fib * fib)
{ … }

/**
 *	aac_rx_deliver_message
 *	@fib: fib to issue
 *
 *	Will send a fib, returning 0 if successful.
 */
static int aac_rx_deliver_message(struct fib * fib)
{ … }

/**
 *	aac_rx_ioremap
 *	@dev: adapter
 *	@size: mapping resize request
 *
 */
static int aac_rx_ioremap(struct aac_dev * dev, u32 size)
{ … }

static int aac_rx_restart_adapter(struct aac_dev *dev, int bled, u8 reset_type)
{ … }

/**
 *	aac_rx_select_comm	-	Select communications method
 *	@dev: Adapter
 *	@comm: communications method
 */

int aac_rx_select_comm(struct aac_dev *dev, int comm)
{ … }

/**
 *	_aac_rx_init	-	initialize an i960 based AAC card
 *	@dev: device to configure
 *
 *	Allocate and set up resources for the i960 based AAC variants. The 
 *	device_interface in the commregion will be allocated and linked 
 *	to the comm region.
 */

int _aac_rx_init(struct aac_dev *dev)
{ … }

int aac_rx_init(struct aac_dev *dev)
{ … }