Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Copyright (c) 2000-2001 Adaptec Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *    notice, this list of conditions, and the following disclaimer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *    without modification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  *    substantially similar to the "NO WARRANTY" disclaimer below
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *    ("Disclaimer") and any redistribution must be conditioned upon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *    including a substantially similar Disclaimer requirement for further
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *    binary redistribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * 3. Neither the names of the above-listed copyright holders nor the names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *    of any contributors may be used to endorse or promote products derived
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  *    from this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  * Alternatively, this software may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * GNU General Public License ("GPL") version 2 as published by the Free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  * Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * NO WARRANTY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  * POSSIBILITY OF SUCH DAMAGES.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  * String handling code courtesy of Gerard Roudier's <groudier@club-internet.fr>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  * sym driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40)  * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_proc.c#19 $
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #include "aic79xx_osm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #include "aic79xx_inline.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) static void	ahd_dump_target_state(struct ahd_softc *ahd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 				      struct seq_file *m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 				      u_int our_id, char channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 				      u_int target_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) static void	ahd_dump_device_state(struct seq_file *m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 				      struct scsi_device *sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53)  * Table of syncrates that don't follow the "divisible by 4"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54)  * rule. This table will be expanded in future SCSI specs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) static const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	u_int period_factor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	u_int period;	/* in 100ths of ns */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) } scsi_syncrates[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	{ 0x08, 625 },	/* FAST-160 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	{ 0x09, 1250 },	/* FAST-80 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	{ 0x0a, 2500 },	/* FAST-40 40MHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	{ 0x0b, 3030 },	/* FAST-40 33MHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	{ 0x0c, 5000 }	/* FAST-20 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68)  * Return the frequency in kHz corresponding to the given
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69)  * sync period factor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) static u_int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) ahd_calc_syncsrate(u_int period_factor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	/* See if the period is in the "exception" table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		if (period_factor == scsi_syncrates[i].period_factor) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 			/* Period in kHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 			return (100000000 / scsi_syncrates[i].period);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	 * Wasn't in the table, so use the standard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	 * 4 times conversion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	return (10000000 / (period_factor * 4 * 10));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) ahd_format_transinfo(struct seq_file *m, struct ahd_transinfo *tinfo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	u_int speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	u_int freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	u_int mb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	if (tinfo->period == AHD_PERIOD_UNKNOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		seq_puts(m, "Renegotiation Pending\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)         speed = 3300;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)         freq = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	if (tinfo->offset != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		freq = ahd_calc_syncsrate(tinfo->period);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		speed = freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	speed *= (0x01 << tinfo->width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)         mb = speed / 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)         if (mb > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)         else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		seq_printf(m, "%dKB/s transfers", speed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	if (freq != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		int	printed_options;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		printed_options = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		seq_printf(m, " (%d.%03dMHz", freq / 1000, freq % 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		if ((tinfo->ppr_options & MSG_EXT_PPR_RD_STRM) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			seq_puts(m, " RDSTRM");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 			printed_options++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		if ((tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 			seq_puts(m, printed_options ? "|DT" : " DT");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 			printed_options++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		if ((tinfo->ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 			seq_puts(m, printed_options ? "|IU" : " IU");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 			printed_options++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		if ((tinfo->ppr_options & MSG_EXT_PPR_RTI) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 			seq_puts(m, printed_options ? "|RTI" : " RTI");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 			printed_options++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		if ((tinfo->ppr_options & MSG_EXT_PPR_QAS_REQ) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 			seq_puts(m, printed_options ? "|QAS" : " QAS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 			printed_options++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	if (tinfo->width > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		if (freq != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			seq_puts(m, ", ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 			seq_puts(m, " (");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	} else if (freq != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		seq_putc(m, ')');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) ahd_dump_target_state(struct ahd_softc *ahd, struct seq_file *m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		      u_int our_id, char channel, u_int target_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	struct  scsi_target *starget;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	struct	ahd_initiator_tinfo *tinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	struct	ahd_tmode_tstate *tstate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	int	lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	tinfo = ahd_fetch_transinfo(ahd, channel, our_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 				    target_id, &tstate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	seq_printf(m, "Target %d Negotiation Settings\n", target_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	seq_puts(m, "\tUser: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	ahd_format_transinfo(m, &tinfo->user);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	starget = ahd->platform_data->starget[target_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	if (starget == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	seq_puts(m, "\tGoal: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	ahd_format_transinfo(m, &tinfo->goal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	seq_puts(m, "\tCurr: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	ahd_format_transinfo(m, &tinfo->curr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		struct scsi_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		dev = scsi_device_lookup_by_target(starget, lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		if (dev == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		ahd_dump_device_state(m, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) ahd_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	struct ahd_linux_device *dev = scsi_transport_device_data(sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		  sdev->sdev_target->channel + 'A',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		   sdev->sdev_target->id, (u8)sdev->lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	seq_printf(m, "\t\tCommands Active %d\n", dev->active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) ahd_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	struct	ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	ahd_mode_state saved_modes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	int have_seeprom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	u_long s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	int paused;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	int written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	/* Default to failure. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	written = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	ahd_lock(ahd, &s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	paused = ahd_is_paused(ahd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	if (!paused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		ahd_pause(ahd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	saved_modes = ahd_save_modes(ahd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	if (length != sizeof(struct seeprom_config)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		printk("ahd_proc_write_seeprom: incorrect buffer size\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	if (have_seeprom == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		printk("ahd_proc_write_seeprom: cksum verification failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	have_seeprom = ahd_acquire_seeprom(ahd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	if (!have_seeprom) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		printk("ahd_proc_write_seeprom: No Serial EEPROM\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		u_int start_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		if (ahd->seep_config == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			ahd->seep_config = kmalloc(sizeof(*ahd->seep_config), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			if (ahd->seep_config == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 				printk("aic79xx: Unable to allocate serial "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 				       "eeprom buffer.  Write failing\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 				goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		printk("aic79xx: Writing Serial EEPROM\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		start_addr = 32 * (ahd->channel - 'A');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 				  sizeof(struct seeprom_config)/2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 				 start_addr, sizeof(struct seeprom_config)/2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 				 /*ByteStream*/FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		ahd_release_seeprom(ahd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		written = length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	ahd_restore_modes(ahd, saved_modes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	if (!paused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 		ahd_unpause(ahd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	ahd_unlock(ahd, &s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	return (written);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)  * Return information to handle /proc support for the driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) ahd_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	struct	ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	char	ahd_info[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	u_int	max_targ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	u_int	i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	seq_printf(m, "Adaptec AIC79xx driver version: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		  AIC79XX_DRIVER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	seq_printf(m, "%s\n", ahd->description);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	ahd_controller_info(ahd, ahd_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	seq_printf(m, "%s\n", ahd_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		  ahd->scb_data.numscbs, AHD_NSEG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	max_targ = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	if (ahd->seep_config == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		seq_puts(m, "No Serial EEPROM\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 		seq_puts(m, "Serial EEPROM:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 		for (i = 0; i < sizeof(*ahd->seep_config)/2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 			if (((i % 8) == 0) && (i != 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 				seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 			seq_printf(m, "0x%.4x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 				  ((uint16_t*)ahd->seep_config)[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	if ((ahd->features & AHD_WIDE) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		max_targ = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	for (i = 0; i < max_targ; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		ahd_dump_target_state(ahd, m, ahd->our_id, 'A',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 				      /*target_id*/i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) }