81fa9e2255
foo(int *nret)
{
for (i = 0; i < nret; i++) {
free(array[i], ....
Fix to do the logically correct thing.. (s/nret/*nret/)
620 lines
16 KiB
C
620 lines
16 KiB
C
/*
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* Copyright (c) 2000,2001 Jonathan Chen.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* CIS Handling for the Cardbus Bus
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*/
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#define CARDBUS_DEBUG
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <pci/pcivar.h>
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#include <dev/cardbus/cardbusreg.h>
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#include <dev/cardbus/cardbus_cis.h>
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#include "card_if.h"
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#if defined CARDBUS_DEBUG
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#define STATIC
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#define DPRINTF(a) printf a
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#define DEVPRINTF(x) device_printf x
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#else
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#define STATIC static
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#define DPRINTF(a)
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#define DEVPRINTF(x)
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#endif
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#if !defined(lint)
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static const char rcsid[] =
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"$FreeBSD$";
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#endif
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struct tuple_callbacks;
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static int cardbus_read_tuple_conf(device_t dev, device_t child,
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u_int32_t *start, u_int32_t *off,
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int *tupleid, int *len, u_int8_t *tupledata);
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static int cardbus_read_tuple_exrom(device_t dev, struct resource *mem,
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u_int32_t *start, u_int32_t *off,
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int *tupleid, int *len, u_int8_t *tupledata);
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static int cardbus_read_tuple_mem(device_t dev, device_t child, u_int32_t *start,
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u_int32_t *off, int *tupleid, int *len,
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u_int8_t *tupledata);
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static int cardbus_read_tuple(device_t dev, device_t child, u_int32_t *start,
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u_int32_t *off, int *tupleid, int *len,
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u_int8_t *tupledata);
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static int decode_tuple(device_t dev, device_t child, int tupleid, int len,
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u_int8_t *tupledata, u_int32_t *start, u_int32_t *off,
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struct tuple_callbacks *callbacks);
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static int cardbus_parse_cis(device_t dev, device_t child,
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struct tuple_callbacks *callbacks);
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#define DECODE_PARAMS \
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(device_t dev, device_t child, int id, int len, \
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u_int8_t *tupledata, u_int32_t *start, u_int32_t *off, \
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struct tuple_callbacks *info)
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#define DECODE_PROTOTYPE(NAME) static int decode_tuple_ ## NAME DECODE_PARAMS
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DECODE_PROTOTYPE(generic);
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DECODE_PROTOTYPE(nothing);
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DECODE_PROTOTYPE(copy);
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DECODE_PROTOTYPE(bar);
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DECODE_PROTOTYPE(linktarget);
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DECODE_PROTOTYPE(vers_1);
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DECODE_PROTOTYPE(manfid);
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DECODE_PROTOTYPE(funcid);
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DECODE_PROTOTYPE(funce);
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DECODE_PROTOTYPE(end);
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DECODE_PROTOTYPE(unhandled);
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struct tuple_callbacks {
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int id;
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char* name;
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int (*func) DECODE_PARAMS;
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};
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#define MAKETUPLE(NAME,FUNC) { CISTPL_ ## NAME, #NAME, decode_tuple_ ## FUNC }
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static char* funcnames[] = {
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"Multi-Functioned",
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"Memory",
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"Serial Port",
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"Parallel Port",
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"Fixed Disk",
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"Video Adaptor",
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"Network Adaptor",
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"AIMS",
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"SCSI",
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"Security"
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};
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static struct cis_tupleinfo* cisread_buf;
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static int ncisread_buf;
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DECODE_PROTOTYPE(generic)
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{
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#ifdef CARDBUS_DEBUG
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int i;
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if (info)
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printf ("TUPLE: %s [%d]:", info->name, len);
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else
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printf ("TUPLE: Unknown(0x%02x) [%d]:", id, len);
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for (i = 0; i < len; i++) {
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if (i % 0x10 == 0 && len > 0x10)
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printf ("\n 0x%02x:", i);
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printf (" %02x", tupledata[i]);
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}
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printf ("\n");
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#endif
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return 0;
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}
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DECODE_PROTOTYPE(nothing)
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{
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return 0;
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}
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DECODE_PROTOTYPE(copy)
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{
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struct cis_tupleinfo* tmpbuf;
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tmpbuf = malloc(sizeof(struct cis_tupleinfo)*(ncisread_buf+1),
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M_DEVBUF, M_WAITOK);
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if (ncisread_buf > 0) {
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memcpy(tmpbuf, cisread_buf,
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sizeof(struct cis_tupleinfo)*ncisread_buf);
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free(cisread_buf, M_DEVBUF);
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}
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cisread_buf = tmpbuf;
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cisread_buf[ncisread_buf].id = id;
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cisread_buf[ncisread_buf].len = len;
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cisread_buf[ncisread_buf].data = malloc(len, M_DEVBUF, M_WAITOK);
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memcpy (cisread_buf[ncisread_buf].data, tupledata, len);
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ncisread_buf++;
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return 0;
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}
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DECODE_PROTOTYPE(linktarget)
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{
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#ifdef CARDBUS_DEBUG
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int i;
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printf ("TUPLE: %s [%d]:", info->name, len);
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for (i = 0; i < len; i++) {
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if (i % 0x10 == 0 && len > 0x10)
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printf ("\n 0x%02x:", i);
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printf (" %02x", tupledata[i]);
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}
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printf ("\n");
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#endif
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if (len != 3 || tupledata[0] != 'C' || tupledata[1] != 'I' ||
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tupledata[2] != 'S') {
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printf("Invalid data for CIS Link Target!\n");
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decode_tuple_generic(dev, child, id, len, tupledata,
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start, off, info);
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return EINVAL;
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}
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return 0;
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}
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DECODE_PROTOTYPE(vers_1)
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{
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int i;
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printf("Product version: %d.%d\n", tupledata[0], tupledata[1]);
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printf("Product name: ");
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for (i = 2; i < len; i++) {
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if (tupledata[i] == '\0')
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printf (" | ");
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else if (tupledata[i] == 0xff)
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break;
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else
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printf("%c", tupledata[i]);
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}
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printf("\n");
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return 0;
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}
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DECODE_PROTOTYPE(funcid)
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{
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int i;
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int numnames = sizeof(funcnames)/sizeof(funcnames[0]);
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printf("Functions: ");
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for(i = 0; i < len; i++) {
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if (tupledata[i] < numnames)
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printf ("%s", funcnames[tupledata[i]]);
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else
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printf ("Unknown(%d)", tupledata[i]);
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if (i < len-1) printf(", ");
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}
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printf ("\n");
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return 0;
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}
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DECODE_PROTOTYPE(manfid)
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{
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int i;
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printf ("Manufacturer ID: ");
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for (i = 0; i < len; i++)
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printf("%02x", tupledata[i]);
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printf("\n");
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return 0;
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}
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DECODE_PROTOTYPE(funce)
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{
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int i;
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printf ("Function Extension: ");
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for (i = 0; i < len; i++)
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printf("%02x", tupledata[i]);
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printf("\n");
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return 0;
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}
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DECODE_PROTOTYPE(bar)
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{
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if (len != 6) {
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printf ("*** ERROR *** BAR length not 6 (%d)\n", len);
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return EINVAL;
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} else {
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int type;
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int reg;
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u_int32_t bar;
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u_int32_t len;
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struct resource *res;
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reg = *(u_int16_t*)tupledata;
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len = *(u_int32_t*)(tupledata+2);
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if (reg & TPL_BAR_REG_AS) {
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type = SYS_RES_IOPORT;
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} else {
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type = SYS_RES_MEMORY;
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}
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bar = (reg & TPL_BAR_REG_ASI_MASK) - 1;
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if (bar < 0 || bar > 5 || (type == SYS_RES_IOPORT && bar == 5)) {
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device_printf(dev, "Invalid BAR number: %02x(%02x)\n",
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reg, bar);
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return 0;
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}
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bar = CARDBUS_BASE0_REG + bar * 4;
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DEVPRINTF((dev, "Opening BAR: type=%s, bar=%02x, len=%04x\n",
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(type==SYS_RES_MEMORY)?"MEM":"IO", bar, len));
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res = bus_generic_alloc_resource(child, child, type, &bar, 0,
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~0, len, rman_make_alignment_flags(len) | RF_ACTIVE);
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if (res == NULL) {
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device_printf(dev, "Cannot allocate BAR %02x\n", bar);
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}
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}
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return 0;
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}
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DECODE_PROTOTYPE(unhandled)
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{
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printf ("TUPLE: %s [%d] is unhandled! Bailing...", info->name, len);
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return -1;
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}
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DECODE_PROTOTYPE(end)
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{
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printf("CIS reading done\n");
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return 0;
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}
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static int
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cardbus_read_tuple_conf(device_t dev, device_t child, u_int32_t *start,
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u_int32_t *off, int *tupleid, int *len,
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u_int8_t *tupledata)
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{
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int i, j;
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u_int32_t e;
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u_int32_t loc;
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loc = CARDBUS_CIS_ADDR(*start) + *off;
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e = pci_read_config(child, loc - loc%4, 4);
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for (j = loc % 4; j>0; j--)
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e >>= 8;
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*len = 0;
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for (i = loc, j = -2; j < *len; j++, i++) {
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if (i % 4 == 0)
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e = pci_read_config(child, i, 4);
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if (j == -2)
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*tupleid = 0xff & e;
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else if (j == -1)
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*len = 0xff & e;
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else
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tupledata[j] = 0xff & e;
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e >>= 8;
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}
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*off += *len+2;
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return 0;
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}
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static int
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cardbus_read_tuple_exrom(device_t dev, struct resource *mem, u_int32_t *start,
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u_int32_t *off, int *tupleid, int *len,
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u_int8_t *tupledata)
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{
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#define READROM(rom, type, offset) \
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(*((u_int ## type ##_t *)(((unsigned char*)rom) + offset)))
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int romnum = 0;
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unsigned char *data;
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u_int32_t imagesize;
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unsigned char *image;
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int imagenum;
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image = (unsigned char*)rman_get_virtual(mem);
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imagenum = CARDBUS_CIS_ASI_ROM_IMAGE(*start);
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do {
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if (READROM(image, 16, CARDBUS_EXROM_SIGNATURE) != 0xaa55) {
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device_printf (dev, "Bad header in rom %d: %04x\n",
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romnum, *(u_int16_t*)(image +
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CARDBUS_EXROM_SIGNATURE));
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return ENXIO;
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}
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data = image + READROM(image, 16, CARDBUS_EXROM_DATA_PTR);
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imagesize = READROM(data, 16, CARDBUS_EXROM_DATA_IMAGE_LENGTH);
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if (imagesize == 0) {
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/*
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* XXX some ROMs seem to have this as zero,
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* can we assume this means 1 block?
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*/
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imagesize = 1;
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}
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imagesize <<= 9;
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if (imagenum == romnum) {
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image += CARDBUS_CIS_ADDR(*start) + *off;
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*tupleid = image[0];
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*len = image[1];
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memcpy(tupledata, image+2, *len);
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*off += *len+2;
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return 0;
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}
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image += imagesize;
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romnum++;
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} while ((READROM(data, 8, CARDBUS_EXROM_DATA_INDICATOR) & 0x80) == 0);
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device_printf(dev, "Cannot read CIS: Not enough images of rom\n");
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return ENOENT;
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#undef READROM
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}
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static int
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cardbus_read_tuple_mem(device_t dev, device_t child, u_int32_t *start,
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u_int32_t *off, int *tupleid, int *len,
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u_int8_t *tupledata)
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{
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struct resource *mem;
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int rid;
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int ret;
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if (CARDBUS_CIS_SPACE(*start) == CARDBUS_CIS_ASI_ROM) {
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rid = CARDBUS_ROM_REG;
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} else {
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rid = CARDBUS_BASE0_REG + (CARDBUS_CIS_SPACE(*start) - 1) * 4;
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}
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mem = bus_alloc_resource(child, SYS_RES_MEMORY, &rid, 0, ~0,
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1, RF_ACTIVE);
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if (mem == NULL) {
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device_printf(dev, "Failed to get memory for CIS reading\n");
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return ENOMEM;
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}
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if(CARDBUS_CIS_SPACE(*start) == CARDBUS_CIS_ASI_ROM) {
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ret = cardbus_read_tuple_exrom(dev, mem, start, off, tupleid,
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len, tupledata);
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} else {
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/* XXX byte order? */
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unsigned char* ptr;
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ptr = (unsigned char*)rman_get_virtual(mem)
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+ CARDBUS_CIS_ADDR(*start) + *off;
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*tupleid = ptr[0];
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*len = ptr[1];
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memcpy(tupledata, ptr+2, *len);
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ret = 0;
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*off += *len+2;
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}
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bus_release_resource(child, SYS_RES_MEMORY, rid, mem);
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return ret;
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}
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static int
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cardbus_read_tuple(device_t dev, device_t child, u_int32_t *start,
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u_int32_t *off, int *tupleid, int *len,
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u_int8_t *tupledata)
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{
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switch(CARDBUS_CIS_SPACE(*start)) {
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case CARDBUS_CIS_ASI_TUPLE:
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return cardbus_read_tuple_conf(dev, child, start, off,
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tupleid, len, tupledata);
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case CARDBUS_CIS_ASI_BAR0:
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case CARDBUS_CIS_ASI_BAR1:
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case CARDBUS_CIS_ASI_BAR2:
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case CARDBUS_CIS_ASI_BAR3:
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case CARDBUS_CIS_ASI_BAR4:
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case CARDBUS_CIS_ASI_BAR5:
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case CARDBUS_CIS_ASI_ROM:
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return cardbus_read_tuple_mem(dev, child, start, off,
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tupleid, len, tupledata);
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default:
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device_printf(dev, "Unable to read CIS: Unknown space: %d\n",
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CARDBUS_CIS_SPACE(*start));
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return EINVAL;
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}
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}
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static int
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decode_tuple(device_t dev, device_t child, int tupleid, int len,
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u_int8_t *tupledata, u_int32_t *start, u_int32_t *off,
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struct tuple_callbacks *callbacks)
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{
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int i;
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for (i = 0; callbacks[i].id != CISTPL_GENERIC; i++) {
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if (tupleid == callbacks[i].id)
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return callbacks[i].func(dev, child, tupleid, len,
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tupledata, start, off,
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&callbacks[i]);
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}
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if (tupleid < CISTPL_CUSTOMSTART) {
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device_printf(dev, "Undefined tuple encountered, CIS parsing terminated\n");
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return EINVAL;
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}
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return callbacks[i].func(dev, child, tupleid, len,
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tupledata, start, off,
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NULL);
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}
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static int
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cardbus_parse_cis(device_t dev, device_t child,
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struct tuple_callbacks *callbacks)
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{
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u_int8_t tupledata[MAXTUPLESIZE];
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int tupleid;
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int len;
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int expect_linktarget;
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u_int32_t start, off;
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bzero(tupledata, MAXTUPLESIZE);
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expect_linktarget = TRUE;
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start = pci_read_config(child, CARDBUS_CIS_REG, 4);
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off = 0;
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do {
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cardbus_read_tuple(dev, child, &start, &off, &tupleid, &len,
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tupledata);
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if (expect_linktarget && tupleid != CISTPL_LINKTARGET) {
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device_printf(dev, "Expecting link target, got 0x%x\n",
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tupleid);
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return EINVAL;
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}
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expect_linktarget = decode_tuple(dev, child, tupleid, len,
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tupledata, &start, &off,
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callbacks);
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if (expect_linktarget != 0)
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return expect_linktarget;
|
|
} while (tupleid != CISTPL_END);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
cardbus_cis_read(device_t dev, device_t child, u_int8_t id,
|
|
struct cis_tupleinfo** buff, int* nret)
|
|
{
|
|
struct tuple_callbacks cisread_callbacks[] = {
|
|
MAKETUPLE(NULL, nothing),
|
|
/* first entry will be overwritten */
|
|
MAKETUPLE(NULL, nothing),
|
|
MAKETUPLE(DEVICE, nothing),
|
|
MAKETUPLE(LONG_LINK_CB, unhandled),
|
|
MAKETUPLE(INDIRECT, unhandled),
|
|
MAKETUPLE(CONFIG_CB, nothing),
|
|
MAKETUPLE(CFTABLE_ENTRY_CB, nothing),
|
|
MAKETUPLE(LONGLINK_MFC, unhandled),
|
|
MAKETUPLE(BAR, nothing),
|
|
MAKETUPLE(PWR_MGMNT, nothing),
|
|
MAKETUPLE(EXTDEVICE, nothing),
|
|
MAKETUPLE(CHECKSUM, nothing),
|
|
MAKETUPLE(LONGLINK_A, unhandled),
|
|
MAKETUPLE(LONGLINK_C, unhandled),
|
|
MAKETUPLE(LINKTARGET, nothing),
|
|
MAKETUPLE(NO_LINK, nothing),
|
|
MAKETUPLE(VERS_1, nothing),
|
|
MAKETUPLE(ALTSTR, nothing),
|
|
MAKETUPLE(DEVICE_A, nothing),
|
|
MAKETUPLE(JEDEC_C, nothing),
|
|
MAKETUPLE(JEDEC_A, nothing),
|
|
MAKETUPLE(CONFIG, nothing),
|
|
MAKETUPLE(CFTABLE_ENTRY, nothing),
|
|
MAKETUPLE(DEVICE_OC, nothing),
|
|
MAKETUPLE(DEVICE_OA, nothing),
|
|
MAKETUPLE(DEVICE_GEO, nothing),
|
|
MAKETUPLE(DEVICE_GEO_A, nothing),
|
|
MAKETUPLE(MANFID, nothing),
|
|
MAKETUPLE(FUNCID, nothing),
|
|
MAKETUPLE(FUNCE, nothing),
|
|
MAKETUPLE(SWIL, nothing),
|
|
MAKETUPLE(VERS_2, nothing),
|
|
MAKETUPLE(FORMAT, nothing),
|
|
MAKETUPLE(GEOMETRY, nothing),
|
|
MAKETUPLE(BYTEORDER, nothing),
|
|
MAKETUPLE(DATE, nothing),
|
|
MAKETUPLE(BATTERY, nothing),
|
|
MAKETUPLE(ORG, nothing),
|
|
MAKETUPLE(END, end),
|
|
MAKETUPLE(GENERIC, nothing),
|
|
};
|
|
int ret;
|
|
|
|
cisread_callbacks[0].id = id;
|
|
cisread_callbacks[0].name = "COPY";
|
|
cisread_callbacks[0].func = decode_tuple_copy;
|
|
ncisread_buf = 0;
|
|
cisread_buf = NULL;
|
|
ret = cardbus_parse_cis(dev, child, cisread_callbacks);
|
|
|
|
*buff = cisread_buf;
|
|
*nret = ncisread_buf;
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
cardbus_cis_free(device_t dev, struct cis_tupleinfo *buff, int* nret)
|
|
{
|
|
int i;
|
|
for (i = 0; i < *nret; i++)
|
|
free(buff[i].data, M_DEVBUF);
|
|
if (*nret > 0)
|
|
free(buff, M_DEVBUF);
|
|
}
|
|
|
|
int
|
|
cardbus_do_cis(device_t dev, device_t child)
|
|
{
|
|
struct tuple_callbacks init_callbacks[] = {
|
|
MAKETUPLE(NULL, generic),
|
|
MAKETUPLE(DEVICE, generic),
|
|
MAKETUPLE(LONG_LINK_CB, unhandled),
|
|
MAKETUPLE(INDIRECT, unhandled),
|
|
MAKETUPLE(CONFIG_CB, generic),
|
|
MAKETUPLE(CFTABLE_ENTRY_CB, generic),
|
|
MAKETUPLE(LONGLINK_MFC, unhandled),
|
|
MAKETUPLE(BAR, bar),
|
|
MAKETUPLE(PWR_MGMNT, generic),
|
|
MAKETUPLE(EXTDEVICE, generic),
|
|
MAKETUPLE(CHECKSUM, generic),
|
|
MAKETUPLE(LONGLINK_A, unhandled),
|
|
MAKETUPLE(LONGLINK_C, unhandled),
|
|
MAKETUPLE(LINKTARGET, linktarget),
|
|
MAKETUPLE(NO_LINK, generic),
|
|
MAKETUPLE(VERS_1, vers_1),
|
|
MAKETUPLE(ALTSTR, generic),
|
|
MAKETUPLE(DEVICE_A, generic),
|
|
MAKETUPLE(JEDEC_C, generic),
|
|
MAKETUPLE(JEDEC_A, generic),
|
|
MAKETUPLE(CONFIG, generic),
|
|
MAKETUPLE(CFTABLE_ENTRY, generic),
|
|
MAKETUPLE(DEVICE_OC, generic),
|
|
MAKETUPLE(DEVICE_OA, generic),
|
|
MAKETUPLE(DEVICE_GEO, generic),
|
|
MAKETUPLE(DEVICE_GEO_A, generic),
|
|
MAKETUPLE(MANFID, manfid),
|
|
MAKETUPLE(FUNCID, funcid),
|
|
MAKETUPLE(FUNCE, funce),
|
|
MAKETUPLE(SWIL, generic),
|
|
MAKETUPLE(VERS_2, generic),
|
|
MAKETUPLE(FORMAT, generic),
|
|
MAKETUPLE(GEOMETRY, generic),
|
|
MAKETUPLE(BYTEORDER, generic),
|
|
MAKETUPLE(DATE, generic),
|
|
MAKETUPLE(BATTERY, generic),
|
|
MAKETUPLE(ORG, generic),
|
|
MAKETUPLE(END, end),
|
|
MAKETUPLE(GENERIC, generic),
|
|
};
|
|
return cardbus_parse_cis(dev, child, init_callbacks);
|
|
}
|