linux/drivers/scsi/aic7xxx/aic7xxx_proc.c

/*
 * Copyright (c) 2000-2001 Adaptec Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * String handling code courtesy of Gerard Roudier's <[email protected]>
 * sym driver.
 *
 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7xxx_proc.c#29 $
 */
#include "aic7xxx_osm.h"
#include "aic7xxx_inline.h"
#include "aic7xxx_93cx6.h"

static void	ahc_dump_target_state(struct ahc_softc *ahc,
				      struct seq_file *m,
				      u_int our_id, char channel,
				      u_int target_id, u_int target_offset);
static void	ahc_dump_device_state(struct seq_file *m,
				      struct scsi_device *dev);

/*
 * Table of syncrates that don't follow the "divisible by 4"
 * rule. This table will be expanded in future SCSI specs.
 */
static const struct { … } scsi_syncrates[] = …;

/*
 * Return the frequency in kHz corresponding to the given
 * sync period factor.
 */
static u_int
ahc_calc_syncsrate(u_int period_factor)
{ … }

static void
ahc_format_transinfo(struct seq_file *m, struct ahc_transinfo *tinfo)
{ … }

static void
ahc_dump_target_state(struct ahc_softc *ahc, struct seq_file *m,
		      u_int our_id, char channel, u_int target_id,
		      u_int target_offset)
{ … }

static void
ahc_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
{ … }

int
ahc_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
{ … }

/*
 * Return information to handle /proc support for the driver.
 */
int
ahc_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
{ … }