linux/drivers/scsi/aacraid/commctrl.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:
 *  commctrl.c
 *
 * Abstract: Contains all routines for control of the AFA comm layer
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/dma-mapping.h>
#include <linux/blkdev.h>
#include <linux/compat.h>
#include <linux/delay.h> /* ssleep prototype */
#include <linux/kthread.h>
#include <linux/uaccess.h>
#include <scsi/scsi_host.h>

#include "aacraid.h"

#define AAC_DEBUG_PREAMBLE …
#define AAC_DEBUG_POSTAMBLE
/**
 *	ioctl_send_fib	-	send a FIB from userspace
 *	@dev:	adapter is being processed
 *	@arg:	arguments to the ioctl call
 *
 *	This routine sends a fib to the adapter on behalf of a user level
 *	program.
 */
static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
{ … }

/**
 *	open_getadapter_fib	-	Get the next fib
 *	@dev:	adapter is being processed
 *	@arg:	arguments to the open call
 *
 *	This routine will get the next Fib, if available, from the AdapterFibContext
 *	passed in from the user.
 */
static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
{ … }

struct compat_fib_ioctl { … };

/**
 *	next_getadapter_fib	-	get the next fib
 *	@dev: adapter to use
 *	@arg: ioctl argument
 *
 *	This routine will get the next Fib, if available, from the AdapterFibContext
 *	passed in from the user.
 */
static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
{ … }

int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx)
{ … }

/**
 *	close_getadapter_fib	-	close down user fib context
 *	@dev: adapter
 *	@arg: ioctl arguments
 *
 *	This routine will close down the fibctx passed in from the user.
 */

static int close_getadapter_fib(struct aac_dev * dev, void __user *arg)
{ … }

/**
 *	check_revision	-	close down user fib context
 *	@dev: adapter
 *	@arg: ioctl arguments
 *
 *	This routine returns the driver version.
 *	Under Linux, there have been no version incompatibilities, so this is
 *	simple!
 */

static int check_revision(struct aac_dev *dev, void __user *arg)
{ … }


/**
 * aac_send_raw_srb()
 *	@dev:	adapter is being processed
 *	@arg:	arguments to the send call
 */
static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
{ … }

struct aac_pci_info { … };


static int aac_get_pci_info(struct aac_dev* dev, void __user *arg)
{ … }

static int aac_get_hba_info(struct aac_dev *dev, void __user *arg)
{ … }

struct aac_reset_iop { … };

static int aac_send_reset_adapter(struct aac_dev *dev, void __user *arg)
{ … }

int aac_do_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg)
{ … }