patch-2.4.22 linux-2.4.22/drivers/scsi/aic79xx/aic79xx_proc.c

• Lines: 346
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/drivers/scsi/aic79xx/aic79xx_proc.c
• Orig date: 2003-06-13 07:51:36.000000000 -0700

diff -urN linux-2.4.21/drivers/scsi/aic79xx/aic79xx_proc.c linux-2.4.22/drivers/scsi/aic79xx/aic79xx_proc.c
@@ -1,345 +0,0 @@
-/*
- * 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 <groudier@club-internet.fr>
- * sym driver.
- *
- * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_proc.c#11 $
- */
-#include "aic79xx_osm.h"
-#include "aic79xx_inline.h"
-
-static void	copy_mem_info(struct info_str *info, char *data, int len);
-static int	copy_info(struct info_str *info, char *fmt, ...);
-static void	ahd_dump_target_state(struct ahd_softc *ahd,
-				      struct info_str *info,
-				      u_int our_id, char channel,
-				      u_int target_id, u_int target_offset);
-static void	ahd_dump_device_state(struct info_str *info,
-				      struct ahd_linux_device *dev);
-static int	ahd_proc_write_seeprom(struct ahd_softc *ahd,
-				       char *buffer, int length);
-
-static void
-copy_mem_info(struct info_str *info, char *data, int len)
-{
-	if (info->pos + len > info->offset + info->length)
-		len = info->offset + info->length - info->pos;
-
-	if (info->pos + len < info->offset) {
-		info->pos += len;
-		return;
-	}
-
-	if (info->pos < info->offset) {
-		off_t partial;
-
-		partial = info->offset - info->pos;
-		data += partial;
-		info->pos += partial;
-		len  -= partial;
-	}
-
-	if (len > 0) {
-		memcpy(info->buffer, data, len);
-		info->pos += len;
-		info->buffer += len;
-	}
-}
-
-static int
-copy_info(struct info_str *info, char *fmt, ...)
-{
-	va_list args;
-	char buf[256];
-	int len;
-
-	va_start(args, fmt);
-	len = vsprintf(buf, fmt, args);
-	va_end(args);
-
-	copy_mem_info(info, buf, len);
-	return (len);
-}
-
-void
-ahd_format_transinfo(struct info_str *info, struct ahd_transinfo *tinfo)
-{
-	u_int speed;
-	u_int freq;
-	u_int mb;
-
-	if (tinfo->period == AHD_PERIOD_UNKNOWN) {
-		copy_info(info, "Renegotiation Pending\n");
-		return;
-	}
-        speed = 3300;
-        freq = 0;
-	if (tinfo->offset != 0) {
-		freq = aic_calc_syncsrate(tinfo->period);
-		speed = freq;
-	}
-	speed *= (0x01 << tinfo->width);
-        mb = speed / 1000;
-        if (mb > 0)
-		copy_info(info, "%d.%03dMB/s transfers", mb, speed % 1000);
-        else
-		copy_info(info, "%dKB/s transfers", speed);
-
-	if (freq != 0) {
-		int	printed_options;
-
-		printed_options = 0;
-		copy_info(info, " (%d.%03dMHz", freq / 1000, freq % 1000);
-		if ((tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0) {
-			copy_info(info, " DT");
-			printed_options++;
-		}
-		if ((tinfo->ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
-			copy_info(info, "%s", printed_options ? "|IU" : " IU");
-			printed_options++;
-		}
-		if ((tinfo->ppr_options & MSG_EXT_PPR_RTI) != 0) {
-			copy_info(info, "%s",
-				  printed_options ? "|RTI" : " RTI");
-			printed_options++;
-		}
-		if ((tinfo->ppr_options & MSG_EXT_PPR_QAS_REQ) != 0) {
-			copy_info(info, "%s",
-				  printed_options ? "|QAS" : " QAS");
-			printed_options++;
-		}
-	}
-
-	if (tinfo->width > 0) {
-		if (freq != 0) {
-			copy_info(info, ", ");
-		} else {
-			copy_info(info, " (");
-		}
-		copy_info(info, "%dbit)", 8 * (0x01 << tinfo->width));
-	} else if (freq != 0) {
-		copy_info(info, ")");
-	}
-	copy_info(info, "\n");
-}
-
-static void
-ahd_dump_target_state(struct ahd_softc *ahd, struct info_str *info,
-		      u_int our_id, char channel, u_int target_id,
-		      u_int target_offset)
-{
-	struct	ahd_linux_target *targ;
-	struct	ahd_initiator_tinfo *tinfo;
-	struct	ahd_tmode_tstate *tstate;
-	int	lun;
-
-	tinfo = ahd_fetch_transinfo(ahd, channel, our_id,
-				    target_id, &tstate);
-	copy_info(info, "Channel %c Target %d Negotiation Settings\n",
-		  channel, target_id);
-	copy_info(info, "\tUser: ");
-	ahd_format_transinfo(info, &tinfo->user);
-	targ = ahd->platform_data->targets[target_offset];
-	if (targ == NULL)
-		return;
-
-	copy_info(info, "\tGoal: ");
-	ahd_format_transinfo(info, &tinfo->goal);
-	copy_info(info, "\tCurr: ");
-	ahd_format_transinfo(info, &tinfo->curr);
-	copy_info(info, "\tTransmission Errors %ld\n", targ->errors_detected);
-
-	for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
-		struct ahd_linux_device *dev;
-
-		dev = targ->devices[lun];
-
-		if (dev == NULL)
-			continue;
-
-		ahd_dump_device_state(info, dev);
-	}
-}
-
-static void
-ahd_dump_device_state(struct info_str *info, struct ahd_linux_device *dev)
-{
-	copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
-		  dev->target->channel + 'A', dev->target->target, dev->lun);
-
-	copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
-	copy_info(info, "\t\tCommands Active %d\n", dev->active);
-	copy_info(info, "\t\tCommand Openings %d\n", dev->openings);
-	copy_info(info, "\t\tMax Tagged Openings %d\n", dev->maxtags);
-	copy_info(info, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
-}
-
-static int
-ahd_proc_write_seeprom(struct ahd_softc *ahd, char *buffer, int length)
-{
-	ahd_mode_state saved_modes;
-	int have_seeprom;
-	u_long s;
-	int paused;
-	int written;
-
-	/* Default to failure. */
-	written = -EINVAL;
-	ahd_lock(ahd, &s);
-	paused = ahd_is_paused(ahd);
-	if (!paused)
-		ahd_pause(ahd);
-
-	saved_modes = ahd_save_modes(ahd);
-	ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
-	if (length != sizeof(struct seeprom_config)) {
-		printf("ahd_proc_write_seeprom: incorrect buffer size\n");
-		goto done;
-	}
-
-	have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer);
-	if (have_seeprom == 0) {
-		printf("ahd_proc_write_seeprom: cksum verification failed\n");
-		goto done;
-	}
-
-	have_seeprom = ahd_acquire_seeprom(ahd);
-	if (!have_seeprom) {
-		printf("ahd_proc_write_seeprom: No Serial EEPROM\n");
-		goto done;
-	} else {
-		u_int start_addr;
-
-		if (ahd->seep_config == NULL) {
-			ahd->seep_config = malloc(sizeof(*ahd->seep_config),
-						  M_DEVBUF, M_NOWAIT);
-			if (ahd->seep_config == NULL) {
-				printf("aic79xx: Unable to allocate serial "
-				       "eeprom buffer.  Write failing\n");
-				goto done;
-			}
-		}
-		printf("aic79xx: Writing Serial EEPROM\n");
-		start_addr = 32 * (ahd->channel - 'A');
-		ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr,
-				  sizeof(struct seeprom_config)/2);
-		ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config,
-				 start_addr, sizeof(struct seeprom_config)/2);
-		ahd_release_seeprom(ahd);
-		written = length;
-	}
-
-done:
-	ahd_restore_modes(ahd, saved_modes);
-	if (!paused)
-		ahd_unpause(ahd);
-	ahd_unlock(ahd, &s);
-	return (written);
-}
-/*
- * Return information to handle /proc support for the driver.
- */
-int
-ahd_linux_proc_info(char *buffer, char **start, off_t offset,
-		  int length, int hostno, int inout)
-{
-	struct	ahd_softc *ahd;
-	struct	info_str info;
-	char	ahd_info[256];
-	u_long	l;
-	u_int	max_targ;
-	u_int	i;
-	int	retval;
-
-	retval = -EINVAL;
-	ahd_list_lock(&l);
-	TAILQ_FOREACH(ahd, &ahd_tailq, links) {
-		if (ahd->platform_data->host->host_no == hostno)
-			break;
-	}
-
-	if (ahd == NULL)
-		goto done;
-
-	 /* Has data been written to the file? */ 
-	if (inout == TRUE) {
-		retval = ahd_proc_write_seeprom(ahd, buffer, length);
-		goto done;
-	}
-
-	if (start)
-		*start = buffer;
-
-	info.buffer	= buffer;
-	info.length	= length;
-	info.offset	= offset;
-	info.pos	= 0;
-
-	copy_info(&info, "Adaptec AIC79xx driver version: %s\n",
-		  AIC79XX_DRIVER_VERSION);
-	ahd_controller_info(ahd, ahd_info);
-	copy_info(&info, "%s\n\n", ahd_info);
-
-	if (ahd->seep_config == NULL)
-		copy_info(&info, "No Serial EEPROM\n");
-	else {
-		copy_info(&info, "Serial EEPROM:\n");
-		for (i = 0; i < sizeof(*ahd->seep_config)/2; i++) {
-			if (((i % 8) == 0) && (i != 0)) {
-				copy_info(&info, "\n");
-			}
-			copy_info(&info, "0x%.4x ",
-				  ((uint16_t*)ahd->seep_config)[i]);
-		}
-		copy_info(&info, "\n");
-	}
-	copy_info(&info, "\n");
-
-	max_targ = 15;
-	if ((ahd->features & AHD_WIDE) == 0)
-		max_targ = 7;
-
-	for (i = 0; i <= max_targ; i++) {
-
-		ahd_dump_target_state(ahd, &info, ahd->our_id, 'A',
-				      /*target_id*/i, /*target_offset*/i);
-	}
-	retval = info.pos > info.offset ? info.pos - info.offset : 0;
-done:
-	ahd_list_unlock(&l);
-	return (retval);
-}