[deliverable/linux.git] / 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 <groudier@club-internet.fr>
 * 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 {
	u_int period_factor;
	u_int period;	/* in 100ths of ns */
} scsi_syncrates[] = {
	{ 0x08, 625 },	/* FAST-160 */
	{ 0x09, 1250 },	/* FAST-80 */
	{ 0x0a, 2500 },	/* FAST-40 40MHz */
	{ 0x0b, 3030 },	/* FAST-40 33MHz */
	{ 0x0c, 5000 }	/* FAST-20 */
};

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

	/* See if the period is in the "exception" table */
	for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {

		if (period_factor == scsi_syncrates[i].period_factor) {
			/* Period in kHz */
			return (100000000 / scsi_syncrates[i].period);
		}
	}

	/*
	 * Wasn't in the table, so use the standard
	 * 4 times conversion.
	 */
	return (10000000 / (period_factor * 4 * 10));
}

static void
ahc_format_transinfo(struct seq_file *m, struct ahc_transinfo *tinfo)
{
	u_int speed;
	u_int freq;
	u_int mb;

        speed = 3300;
        freq = 0;
	if (tinfo->offset != 0) {
		freq = ahc_calc_syncsrate(tinfo->period);
		speed = freq;
	}
	speed *= (0x01 << tinfo->width);
        mb = speed / 1000;
        if (mb > 0)
		seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
        else
		seq_printf(m, "%dKB/s transfers", speed);

	if (freq != 0) {
		seq_printf(m, " (%d.%03dMHz%s, offset %d",
			 freq / 1000, freq % 1000,
			 (tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
			 ? " DT" : "", tinfo->offset);
	}

	if (tinfo->width > 0) {
		if (freq != 0) {
			seq_puts(m, ", ");
		} else {
			seq_puts(m, " (");
		}
		seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
	} else if (freq != 0) {
		seq_putc(m, ')');
	}
	seq_putc(m, '\n');
}

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)
{
	struct	scsi_target *starget;
	struct	ahc_initiator_tinfo *tinfo;
	struct	ahc_tmode_tstate *tstate;
	int	lun;

	tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
				    target_id, &tstate);
	if ((ahc->features & AHC_TWIN) != 0)
		seq_printf(m, "Channel %c ", channel);
	seq_printf(m, "Target %d Negotiation Settings\n", target_id);
	seq_puts(m, "\tUser: ");
	ahc_format_transinfo(m, &tinfo->user);
	starget = ahc->platform_data->starget[target_offset];
	if (!starget)
		return;

	seq_puts(m, "\tGoal: ");
	ahc_format_transinfo(m, &tinfo->goal);
	seq_puts(m, "\tCurr: ");
	ahc_format_transinfo(m, &tinfo->curr);

	for (lun = 0; lun < AHC_NUM_LUNS; lun++) {
		struct scsi_device *sdev;

		sdev = scsi_device_lookup_by_target(starget, lun);

		if (sdev == NULL)
			continue;

		ahc_dump_device_state(m, sdev);
	}
}

static void
ahc_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
{
	struct ahc_linux_device *dev = scsi_transport_device_data(sdev);

	seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
		  sdev->sdev_target->channel + 'A',
		   sdev->sdev_target->id, (u8)sdev->lun);

	seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
	seq_printf(m, "\t\tCommands Active %d\n", dev->active);
	seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
	seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
	seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
}

int
ahc_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
{
	struct	ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
	struct seeprom_descriptor sd;
	int have_seeprom;
	u_long s;
	int paused;
	int written;

	/* Default to failure. */
	written = -EINVAL;
	ahc_lock(ahc, &s);
	paused = ahc_is_paused(ahc);
	if (!paused)
		ahc_pause(ahc);

	if (length != sizeof(struct seeprom_config)) {
		printk("ahc_proc_write_seeprom: incorrect buffer size\n");
		goto done;
	}

	have_seeprom = ahc_verify_cksum((struct seeprom_config*)buffer);
	if (have_seeprom == 0) {
		printk("ahc_proc_write_seeprom: cksum verification failed\n");
		goto done;
	}

	sd.sd_ahc = ahc;
#if AHC_PCI_CONFIG > 0
	if ((ahc->chip & AHC_PCI) != 0) {
		sd.sd_control_offset = SEECTL;
		sd.sd_status_offset = SEECTL;
		sd.sd_dataout_offset = SEECTL;
		if (ahc->flags & AHC_LARGE_SEEPROM)
			sd.sd_chip = C56_66;
		else
			sd.sd_chip = C46;
		sd.sd_MS = SEEMS;
		sd.sd_RDY = SEERDY;
		sd.sd_CS = SEECS;
		sd.sd_CK = SEECK;
		sd.sd_DO = SEEDO;
		sd.sd_DI = SEEDI;
		have_seeprom = ahc_acquire_seeprom(ahc, &sd);
	} else
#endif
	if ((ahc->chip & AHC_VL) != 0) {
		sd.sd_control_offset = SEECTL_2840;
		sd.sd_status_offset = STATUS_2840;
		sd.sd_dataout_offset = STATUS_2840;		
		sd.sd_chip = C46;
		sd.sd_MS = 0;
		sd.sd_RDY = EEPROM_TF;
		sd.sd_CS = CS_2840;
		sd.sd_CK = CK_2840;
		sd.sd_DO = DO_2840;
		sd.sd_DI = DI_2840;
		have_seeprom = TRUE;
	} else {
		printk("ahc_proc_write_seeprom: unsupported adapter type\n");
		goto done;
	}

	if (!have_seeprom) {
		printk("ahc_proc_write_seeprom: No Serial EEPROM\n");
		goto done;
	} else {
		u_int start_addr;

		if (ahc->seep_config == NULL) {
			ahc->seep_config = kmalloc(sizeof(*ahc->seep_config), GFP_ATOMIC);
			if (ahc->seep_config == NULL) {
				printk("aic7xxx: Unable to allocate serial "
				       "eeprom buffer.  Write failing\n");
				goto done;
			}
		}
		printk("aic7xxx: Writing Serial EEPROM\n");
		start_addr = 32 * (ahc->channel - 'A');
		ahc_write_seeprom(&sd, (u_int16_t *)buffer, start_addr,
				  sizeof(struct seeprom_config)/2);
		ahc_read_seeprom(&sd, (uint16_t *)ahc->seep_config,
				 start_addr, sizeof(struct seeprom_config)/2);
#if AHC_PCI_CONFIG > 0
		if ((ahc->chip & AHC_VL) == 0)
			ahc_release_seeprom(&sd);
#endif
		written = length;
	}

done:
	if (!paused)
		ahc_unpause(ahc);
	ahc_unlock(ahc, &s);
	return (written);
}

/*
 * Return information to handle /proc support for the driver.
 */
int
ahc_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
{
	struct	ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
	char	ahc_info[256];
	u_int	max_targ;
	u_int	i;

	seq_printf(m, "Adaptec AIC7xxx driver version: %s\n",
		  AIC7XXX_DRIVER_VERSION);
	seq_printf(m, "%s\n", ahc->description);
	ahc_controller_info(ahc, ahc_info);
	seq_printf(m, "%s\n", ahc_info);
	seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
		  ahc->scb_data->numscbs, AHC_NSEG);


	if (ahc->seep_config == NULL)
		seq_puts(m, "No Serial EEPROM\n");
	else {
		seq_puts(m, "Serial EEPROM:\n");
		for (i = 0; i < sizeof(*ahc->seep_config)/2; i++) {
			if (((i % 8) == 0) && (i != 0)) {
				seq_putc(m, '\n');
			}
			seq_printf(m, "0x%.4x ",
				  ((uint16_t*)ahc->seep_config)[i]);
		}
		seq_putc(m, '\n');
	}
	seq_putc(m, '\n');

	max_targ = 16;
	if ((ahc->features & (AHC_WIDE|AHC_TWIN)) == 0)
		max_targ = 8;

	for (i = 0; i < max_targ; i++) {
		u_int our_id;
		u_int target_id;
		char channel;

		channel = 'A';
		our_id = ahc->our_id;
		target_id = i;
		if (i > 7 && (ahc->features & AHC_TWIN) != 0) {
			channel = 'B';
			our_id = ahc->our_id_b;
			target_id = i % 8;
		}

		ahc_dump_target_state(ahc, m, our_id,
				      channel, target_id, i);
	}
	return 0;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 2000-2001 Adaptec Inc.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions, and the following disclaimer,
	10	* without modification.
	11	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	12	* substantially similar to the "NO WARRANTY" disclaimer below
	13	* ("Disclaimer") and any redistribution must be conditioned upon
	14	* including a substantially similar Disclaimer requirement for further
	15	* binary redistribution.
	16	* 3. Neither the names of the above-listed copyright holders nor the names
	17	* of any contributors may be used to endorse or promote products derived
	18	* from this software without specific prior written permission.
	19	*
	20	* Alternatively, this software may be distributed under the terms of the
	21	* GNU General Public License ("GPL") version 2 as published by the Free
	22	* Software Foundation.
	23	*
	24	* NO WARRANTY
	25	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	26	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	27	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	28	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	29	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	30	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	31	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	32	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	33	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	34	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	35	* POSSIBILITY OF SUCH DAMAGES.
	36	*
	37	* String handling code courtesy of Gerard Roudier's <groudier@club-internet.fr>
	38	* sym driver.
	39	*
	40	* $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7xxx_proc.c#29 $
	41	*/
	42	#include "aic7xxx_osm.h"
	43	#include "aic7xxx_inline.h"
	44	#include "aic7xxx_93cx6.h"
	45
1da177e4	46	static void ahc_dump_target_state(struct ahc_softc *ahc,
6b3a8bbf	47	struct seq_file *m,
1da177e4 LT	48	u_int our_id, char channel,
1da177e4 LT	49	u_int target_id, u_int target_offset);
6b3a8bbf	50	static void ahc_dump_device_state(struct seq_file *m,
b1abb4d6	51	struct scsi_device *dev);
1da177e4	52
1ff92730 CH	53	/*
	54	* Table of syncrates that don't follow the "divisible by 4"
	55	* rule. This table will be expanded in future SCSI specs.
	56	*/
980b306a	57	static const struct {
1ff92730 CH	58	u_int period_factor;
	59	u_int period; /* in 100ths of ns */
	60	} scsi_syncrates[] = {
	61	{ 0x08, 625 }, /* FAST-160 */
	62	{ 0x09, 1250 }, /* FAST-80 */
	63	{ 0x0a, 2500 }, /* FAST-40 40MHz */
	64	{ 0x0b, 3030 }, /* FAST-40 33MHz */
	65	{ 0x0c, 5000 } /* FAST-20 */
	66	};
	67
	68	/*
	69	* Return the frequency in kHz corresponding to the given
	70	* sync period factor.
	71	*/
	72	static u_int
	73	ahc_calc_syncsrate(u_int period_factor)
	74	{
	75	int i;
1ff92730	76
1ff92730	77	/* See if the period is in the "exception" table */
6391a113	78	for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
1ff92730 CH	79
	80	if (period_factor == scsi_syncrates[i].period_factor) {
	81	/* Period in kHz */
	82	return (100000000 / scsi_syncrates[i].period);
	83	}
	84	}
	85
	86	/*
	87	* Wasn't in the table, so use the standard
	88	* 4 times conversion.
	89	*/
	90	return (10000000 / (period_factor * 4 * 10));
	91	}
	92
d1d7b19d	93	static void
6b3a8bbf	94	ahc_format_transinfo(struct seq_file m, struct ahc_transinfo tinfo)
1da177e4 LT	95	{
	96	u_int speed;
	97	u_int freq;
	98	u_int mb;
	99
	100	speed = 3300;
	101	freq = 0;
	102	if (tinfo->offset != 0) {
1ff92730	103	freq = ahc_calc_syncsrate(tinfo->period);
1da177e4 LT	104	speed = freq;
	105	}
	106	speed *= (0x01 << tinfo->width);
	107	mb = speed / 1000;
	108	if (mb > 0)
6b3a8bbf	109	seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
1da177e4	110	else
6b3a8bbf	111	seq_printf(m, "%dKB/s transfers", speed);
1da177e4 LT	112
1da177e4 LT	113	if (freq != 0) {
6b3a8bbf	114	seq_printf(m, " (%d.%03dMHz%s, offset %d",
1da177e4 LT	115	freq / 1000, freq % 1000,
	116	(tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
	117	? " DT" : "", tinfo->offset);
	118	}
	119
	120	if (tinfo->width > 0) {
	121	if (freq != 0) {
91c40f24	122	seq_puts(m, ", ");
1da177e4	123	} else {
91c40f24	124	seq_puts(m, " (");
1da177e4	125	}
6b3a8bbf	126	seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
1da177e4	127	} else if (freq != 0) {
f50332ff	128	seq_putc(m, ')');
1da177e4	129	}
f50332ff	130	seq_putc(m, '\n');
1da177e4 LT	131	}
	132
	133	static void
6b3a8bbf	134	ahc_dump_target_state(struct ahc_softc ahc, struct seq_file m,
1da177e4 LT	135	u_int our_id, char channel, u_int target_id,
	136	u_int target_offset)
	137	{
b1abb4d6	138	struct scsi_target *starget;
1da177e4 LT	139	struct ahc_initiator_tinfo *tinfo;
	140	struct ahc_tmode_tstate *tstate;
	141	int lun;
	142
	143	tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
	144	target_id, &tstate);
	145	if ((ahc->features & AHC_TWIN) != 0)
6b3a8bbf AV	146	seq_printf(m, "Channel %c ", channel);
6b3a8bbf AV	147	seq_printf(m, "Target %d Negotiation Settings\n", target_id);
91c40f24	148	seq_puts(m, "\tUser: ");
6b3a8bbf	149	ahc_format_transinfo(m, &tinfo->user);
b1abb4d6	150	starget = ahc->platform_data->starget[target_offset];
c0df28cf	151	if (!starget)
1da177e4 LT	152	return;
1da177e4 LT	153
91c40f24	154	seq_puts(m, "\tGoal: ");
6b3a8bbf	155	ahc_format_transinfo(m, &tinfo->goal);
91c40f24	156	seq_puts(m, "\tCurr: ");
6b3a8bbf	157	ahc_format_transinfo(m, &tinfo->curr);
1da177e4 LT	158
1da177e4 LT	159	for (lun = 0; lun < AHC_NUM_LUNS; lun++) {
b1abb4d6	160	struct scsi_device *sdev;
1da177e4	161
9080063f	162	sdev = scsi_device_lookup_by_target(starget, lun);
1da177e4	163
b1abb4d6	164	if (sdev == NULL)
1da177e4 LT	165	continue;
1da177e4 LT	166
6b3a8bbf	167	ahc_dump_device_state(m, sdev);
1da177e4 LT	168	}
	169	}
	170
	171	static void
6b3a8bbf	172	ahc_dump_device_state(struct seq_file m, struct scsi_device sdev)
1da177e4	173	{
b1abb4d6 JB	174	struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
b1abb4d6 JB	175
6b3a8bbf	176	seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
b1abb4d6	177	sdev->sdev_target->channel + 'A',
9cb78c16	178	sdev->sdev_target->id, (u8)sdev->lun);
1da177e4	179
6b3a8bbf AV	180	seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
	181	seq_printf(m, "\t\tCommands Active %d\n", dev->active);
	182	seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
	183	seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
	184	seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
1da177e4 LT	185	}
1da177e4 LT	186
6b3a8bbf AV	187	int
6b3a8bbf AV	188	ahc_proc_write_seeprom(struct Scsi_Host shost, char buffer, int length)
1da177e4	189	{
6b3a8bbf	190	struct ahc_softc ahc = (struct ahc_softc **)shost->hostdata;
1da177e4 LT	191	struct seeprom_descriptor sd;
	192	int have_seeprom;
	193	u_long s;
	194	int paused;
	195	int written;
	196
	197	/* Default to failure. */
	198	written = -EINVAL;
	199	ahc_lock(ahc, &s);
	200	paused = ahc_is_paused(ahc);
	201	if (!paused)
	202	ahc_pause(ahc);
	203
	204	if (length != sizeof(struct seeprom_config)) {
48813cf9	205	printk("ahc_proc_write_seeprom: incorrect buffer size\n");
1da177e4 LT	206	goto done;
	207	}
	208
	209	have_seeprom = ahc_verify_cksum((struct seeprom_config*)buffer);
	210	if (have_seeprom == 0) {
48813cf9	211	printk("ahc_proc_write_seeprom: cksum verification failed\n");
1da177e4 LT	212	goto done;
	213	}
	214
	215	sd.sd_ahc = ahc;
	216	#if AHC_PCI_CONFIG > 0
	217	if ((ahc->chip & AHC_PCI) != 0) {
	218	sd.sd_control_offset = SEECTL;
	219	sd.sd_status_offset = SEECTL;
	220	sd.sd_dataout_offset = SEECTL;
	221	if (ahc->flags & AHC_LARGE_SEEPROM)
	222	sd.sd_chip = C56_66;
	223	else
	224	sd.sd_chip = C46;
	225	sd.sd_MS = SEEMS;
	226	sd.sd_RDY = SEERDY;
	227	sd.sd_CS = SEECS;
	228	sd.sd_CK = SEECK;
	229	sd.sd_DO = SEEDO;
	230	sd.sd_DI = SEEDI;
	231	have_seeprom = ahc_acquire_seeprom(ahc, &sd);
	232	} else
	233	#endif
	234	if ((ahc->chip & AHC_VL) != 0) {
	235	sd.sd_control_offset = SEECTL_2840;
	236	sd.sd_status_offset = STATUS_2840;
	237	sd.sd_dataout_offset = STATUS_2840;
	238	sd.sd_chip = C46;
	239	sd.sd_MS = 0;
	240	sd.sd_RDY = EEPROM_TF;
	241	sd.sd_CS = CS_2840;
	242	sd.sd_CK = CK_2840;
	243	sd.sd_DO = DO_2840;
	244	sd.sd_DI = DI_2840;
	245	have_seeprom = TRUE;
	246	} else {
48813cf9	247	printk("ahc_proc_write_seeprom: unsupported adapter type\n");
1da177e4 LT	248	goto done;
	249	}
	250
	251	if (!have_seeprom) {
48813cf9	252	printk("ahc_proc_write_seeprom: No Serial EEPROM\n");
1da177e4 LT	253	goto done;
	254	} else {
	255	u_int start_addr;
	256
	257	if (ahc->seep_config == NULL) {
48813cf9	258	ahc->seep_config = kmalloc(sizeof(*ahc->seep_config), GFP_ATOMIC);
1da177e4	259	if (ahc->seep_config == NULL) {
48813cf9	260	printk("aic7xxx: Unable to allocate serial "
1da177e4 LT	261	"eeprom buffer. Write failing\n");
	262	goto done;
	263	}
	264	}
48813cf9	265	printk("aic7xxx: Writing Serial EEPROM\n");
1da177e4 LT	266	start_addr = 32 * (ahc->channel - 'A');
	267	ahc_write_seeprom(&sd, (u_int16_t *)buffer, start_addr,
	268	sizeof(struct seeprom_config)/2);
	269	ahc_read_seeprom(&sd, (uint16_t *)ahc->seep_config,
	270	start_addr, sizeof(struct seeprom_config)/2);
	271	#if AHC_PCI_CONFIG > 0
	272	if ((ahc->chip & AHC_VL) == 0)
	273	ahc_release_seeprom(&sd);
	274	#endif
	275	written = length;
	276	}
	277
	278	done:
	279	if (!paused)
	280	ahc_unpause(ahc);
	281	ahc_unlock(ahc, &s);
	282	return (written);
	283	}
	284
	285	/*
	286	* Return information to handle /proc support for the driver.
	287	*/
	288	int
6b3a8bbf	289	ahc_linux_show_info(struct seq_file m, struct Scsi_Host shost)
1da177e4	290	{
3d65692a	291	struct ahc_softc ahc = (struct ahc_softc **)shost->hostdata;
1da177e4	292	char ahc_info[256];
1da177e4 LT	293	u_int max_targ;
1da177e4 LT	294	u_int i;
1da177e4	295
6b3a8bbf	296	seq_printf(m, "Adaptec AIC7xxx driver version: %s\n",
1da177e4	297	AIC7XXX_DRIVER_VERSION);
6b3a8bbf	298	seq_printf(m, "%s\n", ahc->description);
1da177e4	299	ahc_controller_info(ahc, ahc_info);
6b3a8bbf AV	300	seq_printf(m, "%s\n", ahc_info);
6b3a8bbf AV	301	seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
1da177e4 LT	302	ahc->scb_data->numscbs, AHC_NSEG);
	303
	304
	305	if (ahc->seep_config == NULL)
91c40f24	306	seq_puts(m, "No Serial EEPROM\n");
1da177e4	307	else {
91c40f24	308	seq_puts(m, "Serial EEPROM:\n");
1da177e4 LT	309	for (i = 0; i < sizeof(*ahc->seep_config)/2; i++) {
1da177e4 LT	310	if (((i % 8) == 0) && (i != 0)) {
f50332ff	311	seq_putc(m, '\n');
1da177e4	312	}
6b3a8bbf	313	seq_printf(m, "0x%.4x ",
1da177e4 LT	314	((uint16_t*)ahc->seep_config)[i]);
1da177e4 LT	315	}
f50332ff	316	seq_putc(m, '\n');
1da177e4	317	}
f50332ff	318	seq_putc(m, '\n');
1da177e4	319
9080063f	320	max_targ = 16;
1da177e4	321	if ((ahc->features & (AHC_WIDE\|AHC_TWIN)) == 0)
9080063f	322	max_targ = 8;
1da177e4	323
9080063f	324	for (i = 0; i < max_targ; i++) {
1da177e4 LT	325	u_int our_id;
	326	u_int target_id;
	327	char channel;
	328
	329	channel = 'A';
	330	our_id = ahc->our_id;
	331	target_id = i;
	332	if (i > 7 && (ahc->features & AHC_TWIN) != 0) {
	333	channel = 'B';
	334	our_id = ahc->our_id_b;
	335	target_id = i % 8;
	336	}
	337
6b3a8bbf	338	ahc_dump_target_state(ahc, m, our_id,
1da177e4 LT	339	channel, target_id, i);
1da177e4 LT	340	}
6b3a8bbf	341	return 0;
1da177e4	342	}