1209 lines
32 KiB
C
1209 lines
32 KiB
C
/*
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* Copyright 1996 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* 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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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/fcntl.h>
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#include <sys/mman.h>
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#include <sys/pciio.h>
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#include <sys/queue.h>
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#include <vm/vm.h>
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#include <dev/pci/pcireg.h>
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#include <assert.h>
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#include <ctype.h>
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#include <err.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "pathnames.h"
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#include "pciconf.h"
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struct pci_device_info
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{
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TAILQ_ENTRY(pci_device_info) link;
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int id;
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char *desc;
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};
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struct pci_vendor_info
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{
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TAILQ_ENTRY(pci_vendor_info) link;
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TAILQ_HEAD(,pci_device_info) devs;
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int id;
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char *desc;
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};
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static TAILQ_HEAD(,pci_vendor_info) pci_vendors;
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static struct pcisel getsel(const char *str);
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static void list_bridge(int fd, struct pci_conf *p);
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static void list_bars(int fd, struct pci_conf *p);
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static void list_devs(const char *name, int verbose, int bars, int bridge,
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int caps, int errors, int vpd, int listmode);
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static void list_verbose(struct pci_conf *p);
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static void list_vpd(int fd, struct pci_conf *p);
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static const char *guess_class(struct pci_conf *p);
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static const char *guess_subclass(struct pci_conf *p);
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static int load_vendors(void);
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static void readit(const char *, const char *, int);
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static void writeit(const char *, const char *, const char *, int);
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static void chkattached(const char *);
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static void dump_bar(const char *name, const char *reg, const char *bar_start,
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const char *bar_count, int width, int verbose);
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static int exitstatus = 0;
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static void
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usage(void)
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{
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fprintf(stderr, "%s",
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"usage: pciconf -l [-BbcevV] [device]\n"
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" pciconf -a device\n"
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" pciconf -r [-b | -h] device addr[:addr2]\n"
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" pciconf -w [-b | -h] device addr value\n"
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" pciconf -D [-b | -h | -x] device bar [start [count]]"
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"\n");
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exit(1);
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}
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int
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main(int argc, char **argv)
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{
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int c, width;
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int listmode, readmode, writemode, attachedmode, dumpbarmode;
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int bars, bridge, caps, errors, verbose, vpd;
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listmode = readmode = writemode = attachedmode = dumpbarmode = 0;
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bars = bridge = caps = errors = verbose = vpd= 0;
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width = 4;
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while ((c = getopt(argc, argv, "aBbcDehlrwVv")) != -1) {
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switch(c) {
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case 'a':
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attachedmode = 1;
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break;
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case 'B':
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bridge = 1;
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break;
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case 'b':
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bars = 1;
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width = 1;
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break;
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case 'c':
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caps++;
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break;
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case 'D':
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dumpbarmode = 1;
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break;
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case 'e':
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errors = 1;
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break;
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case 'h':
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width = 2;
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break;
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case 'l':
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listmode++;
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break;
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case 'r':
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readmode = 1;
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break;
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case 'w':
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writemode = 1;
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break;
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case 'v':
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verbose = 1;
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break;
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case 'V':
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vpd = 1;
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break;
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case 'x':
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width = 8;
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break;
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default:
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usage();
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}
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}
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if ((listmode && optind >= argc + 1)
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|| (writemode && optind + 3 != argc)
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|| (readmode && optind + 2 != argc)
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|| (attachedmode && optind + 1 != argc)
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|| (dumpbarmode && (optind + 2 > argc || optind + 4 < argc))
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|| (width == 8 && !dumpbarmode))
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usage();
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if (listmode) {
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list_devs(optind + 1 == argc ? argv[optind] : NULL, verbose,
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bars, bridge, caps, errors, vpd, listmode);
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} else if (attachedmode) {
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chkattached(argv[optind]);
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} else if (readmode) {
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readit(argv[optind], argv[optind + 1], width);
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} else if (writemode) {
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writeit(argv[optind], argv[optind + 1], argv[optind + 2],
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width);
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} else if (dumpbarmode) {
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dump_bar(argv[optind], argv[optind + 1],
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optind + 2 < argc ? argv[optind + 2] : NULL,
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optind + 3 < argc ? argv[optind + 3] : NULL,
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width, verbose);
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} else {
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usage();
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}
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return (exitstatus);
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}
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static void
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list_devs(const char *name, int verbose, int bars, int bridge, int caps,
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int errors, int vpd, int listmode)
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{
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int fd;
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struct pci_conf_io pc;
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struct pci_conf conf[255], *p;
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struct pci_match_conf patterns[1];
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int none_count = 0;
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if (verbose)
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load_vendors();
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fd = open(_PATH_DEVPCI, (bridge || caps || errors) ? O_RDWR : O_RDONLY,
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0);
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if (fd < 0)
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err(1, "%s", _PATH_DEVPCI);
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bzero(&pc, sizeof(struct pci_conf_io));
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pc.match_buf_len = sizeof(conf);
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pc.matches = conf;
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if (name != NULL) {
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bzero(&patterns, sizeof(patterns));
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patterns[0].pc_sel = getsel(name);
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patterns[0].flags = PCI_GETCONF_MATCH_DOMAIN |
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PCI_GETCONF_MATCH_BUS | PCI_GETCONF_MATCH_DEV |
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PCI_GETCONF_MATCH_FUNC;
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pc.num_patterns = 1;
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pc.pat_buf_len = sizeof(patterns);
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pc.patterns = patterns;
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}
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do {
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if (ioctl(fd, PCIOCGETCONF, &pc) == -1)
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err(1, "ioctl(PCIOCGETCONF)");
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/*
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* 255 entries should be more than enough for most people,
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* but if someone has more devices, and then changes things
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* around between ioctls, we'll do the cheesy thing and
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* just bail. The alternative would be to go back to the
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* beginning of the list, and print things twice, which may
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* not be desirable.
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*/
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if (pc.status == PCI_GETCONF_LIST_CHANGED) {
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warnx("PCI device list changed, please try again");
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exitstatus = 1;
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close(fd);
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return;
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} else if (pc.status == PCI_GETCONF_ERROR) {
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warnx("error returned from PCIOCGETCONF ioctl");
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exitstatus = 1;
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close(fd);
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return;
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}
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if (listmode == 2)
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printf("drv\tselector\tclass rev hdr "
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"vendor device subven subdev\n");
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for (p = conf; p < &conf[pc.num_matches]; p++) {
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if (listmode == 2)
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printf("%s%d@pci%d:%d:%d:%d:"
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"\t%06x %02x %02x "
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"%04x %04x %04x %04x\n",
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*p->pd_name ? p->pd_name : "none",
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*p->pd_name ? (int)p->pd_unit :
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none_count++, p->pc_sel.pc_domain,
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p->pc_sel.pc_bus, p->pc_sel.pc_dev,
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p->pc_sel.pc_func, (p->pc_class << 16) |
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(p->pc_subclass << 8) | p->pc_progif,
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p->pc_revid, p->pc_hdr,
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p->pc_vendor, p->pc_device,
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p->pc_subvendor, p->pc_subdevice);
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else
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printf("%s%d@pci%d:%d:%d:%d:"
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"\tclass=0x%06x rev=0x%02x hdr=0x%02x "
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"vendor=0x%04x device=0x%04x "
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"subvendor=0x%04x subdevice=0x%04x\n",
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*p->pd_name ? p->pd_name : "none",
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*p->pd_name ? (int)p->pd_unit :
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none_count++, p->pc_sel.pc_domain,
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p->pc_sel.pc_bus, p->pc_sel.pc_dev,
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p->pc_sel.pc_func, (p->pc_class << 16) |
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(p->pc_subclass << 8) | p->pc_progif,
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p->pc_revid, p->pc_hdr,
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p->pc_vendor, p->pc_device,
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p->pc_subvendor, p->pc_subdevice);
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if (verbose)
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list_verbose(p);
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if (bars)
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list_bars(fd, p);
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if (bridge)
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list_bridge(fd, p);
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if (caps)
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list_caps(fd, p, caps);
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if (errors)
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list_errors(fd, p);
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if (vpd)
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list_vpd(fd, p);
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}
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} while (pc.status == PCI_GETCONF_MORE_DEVS);
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close(fd);
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}
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static void
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print_bus_range(int fd, struct pci_conf *p, int secreg, int subreg)
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{
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uint8_t secbus, subbus;
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secbus = read_config(fd, &p->pc_sel, secreg, 1);
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subbus = read_config(fd, &p->pc_sel, subreg, 1);
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printf(" bus range = %u-%u\n", secbus, subbus);
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}
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static void
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print_window(int reg, const char *type, int range, uint64_t base,
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uint64_t limit)
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{
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printf(" window[%02x] = type %s, range %2d, addr %#jx-%#jx, %s\n",
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reg, type, range, (uintmax_t)base, (uintmax_t)limit,
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base < limit ? "enabled" : "disabled");
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}
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static void
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print_special_decode(bool isa, bool vga, bool subtractive)
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{
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bool comma;
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if (isa || vga || subtractive) {
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comma = false;
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printf(" decode = ");
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if (isa) {
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printf("ISA");
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comma = true;
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}
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if (vga) {
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printf("%sVGA", comma ? ", " : "");
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comma = true;
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}
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if (subtractive)
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printf("%ssubtractive", comma ? ", " : "");
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printf("\n");
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}
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}
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static void
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print_bridge_windows(int fd, struct pci_conf *p)
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{
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uint64_t base, limit;
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uint32_t val;
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uint16_t bctl;
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bool subtractive;
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int range;
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/*
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* XXX: This assumes that a window with a base and limit of 0
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* is not implemented. In theory a window might be programmed
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* at the smallest size with a base of 0, but those do not seem
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* common in practice.
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*/
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val = read_config(fd, &p->pc_sel, PCIR_IOBASEL_1, 1);
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if (val != 0 || read_config(fd, &p->pc_sel, PCIR_IOLIMITL_1, 1) != 0) {
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if ((val & PCIM_BRIO_MASK) == PCIM_BRIO_32) {
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base = PCI_PPBIOBASE(
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read_config(fd, &p->pc_sel, PCIR_IOBASEH_1, 2),
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val);
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limit = PCI_PPBIOLIMIT(
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read_config(fd, &p->pc_sel, PCIR_IOLIMITH_1, 2),
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read_config(fd, &p->pc_sel, PCIR_IOLIMITL_1, 1));
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range = 32;
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} else {
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base = PCI_PPBIOBASE(0, val);
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limit = PCI_PPBIOLIMIT(0,
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read_config(fd, &p->pc_sel, PCIR_IOLIMITL_1, 1));
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range = 16;
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}
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print_window(PCIR_IOBASEL_1, "I/O Port", range, base, limit);
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}
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base = PCI_PPBMEMBASE(0,
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read_config(fd, &p->pc_sel, PCIR_MEMBASE_1, 2));
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limit = PCI_PPBMEMLIMIT(0,
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read_config(fd, &p->pc_sel, PCIR_MEMLIMIT_1, 2));
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print_window(PCIR_MEMBASE_1, "Memory", 32, base, limit);
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val = read_config(fd, &p->pc_sel, PCIR_PMBASEL_1, 2);
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if (val != 0 || read_config(fd, &p->pc_sel, PCIR_PMLIMITL_1, 2) != 0) {
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if ((val & PCIM_BRPM_MASK) == PCIM_BRPM_64) {
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base = PCI_PPBMEMBASE(
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read_config(fd, &p->pc_sel, PCIR_PMBASEH_1, 4),
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val);
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limit = PCI_PPBMEMLIMIT(
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read_config(fd, &p->pc_sel, PCIR_PMLIMITH_1, 4),
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read_config(fd, &p->pc_sel, PCIR_PMLIMITL_1, 2));
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range = 64;
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} else {
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base = PCI_PPBMEMBASE(0, val);
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limit = PCI_PPBMEMLIMIT(0,
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read_config(fd, &p->pc_sel, PCIR_PMLIMITL_1, 2));
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range = 32;
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}
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print_window(PCIR_PMBASEL_1, "Prefetchable Memory", range, base,
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limit);
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}
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/*
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* XXX: This list of bridges that are subtractive but do not set
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* progif to indicate it is copied from pci_pci.c.
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*/
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subtractive = p->pc_progif == PCIP_BRIDGE_PCI_SUBTRACTIVE;
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switch (p->pc_device << 16 | p->pc_vendor) {
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case 0xa002177d: /* Cavium ThunderX */
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case 0x124b8086: /* Intel 82380FB Mobile */
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case 0x060513d7: /* Toshiba ???? */
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subtractive = true;
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}
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if (p->pc_vendor == 0x8086 && (p->pc_device & 0xff00) == 0x2400)
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subtractive = true;
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bctl = read_config(fd, &p->pc_sel, PCIR_BRIDGECTL_1, 2);
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print_special_decode(bctl & PCIB_BCR_ISA_ENABLE,
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bctl & PCIB_BCR_VGA_ENABLE, subtractive);
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}
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static void
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print_cardbus_mem_window(int fd, struct pci_conf *p, int basereg, int limitreg,
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bool prefetch)
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{
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print_window(basereg, prefetch ? "Prefetchable Memory" : "Memory", 32,
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PCI_CBBMEMBASE(read_config(fd, &p->pc_sel, basereg, 4)),
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PCI_CBBMEMLIMIT(read_config(fd, &p->pc_sel, limitreg, 4)));
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}
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static void
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print_cardbus_io_window(int fd, struct pci_conf *p, int basereg, int limitreg)
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{
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uint32_t base, limit;
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uint32_t val;
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int range;
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val = read_config(fd, &p->pc_sel, basereg, 2);
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if ((val & PCIM_CBBIO_MASK) == PCIM_CBBIO_32) {
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base = PCI_CBBIOBASE(read_config(fd, &p->pc_sel, basereg, 4));
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limit = PCI_CBBIOBASE(read_config(fd, &p->pc_sel, limitreg, 4));
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range = 32;
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} else {
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base = PCI_CBBIOBASE(val);
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limit = PCI_CBBIOBASE(read_config(fd, &p->pc_sel, limitreg, 2));
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range = 16;
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}
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print_window(basereg, "I/O Port", range, base, limit);
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}
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|
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static void
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print_cardbus_windows(int fd, struct pci_conf *p)
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{
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uint16_t bctl;
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bctl = read_config(fd, &p->pc_sel, PCIR_BRIDGECTL_2, 2);
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print_cardbus_mem_window(fd, p, PCIR_MEMBASE0_2, PCIR_MEMLIMIT0_2,
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bctl & CBB_BCR_PREFETCH_0_ENABLE);
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print_cardbus_mem_window(fd, p, PCIR_MEMBASE1_2, PCIR_MEMLIMIT1_2,
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bctl & CBB_BCR_PREFETCH_1_ENABLE);
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print_cardbus_io_window(fd, p, PCIR_IOBASE0_2, PCIR_IOLIMIT0_2);
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print_cardbus_io_window(fd, p, PCIR_IOBASE1_2, PCIR_IOLIMIT1_2);
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print_special_decode(bctl & CBB_BCR_ISA_ENABLE,
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bctl & CBB_BCR_VGA_ENABLE, false);
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}
|
|
|
|
static void
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|
list_bridge(int fd, struct pci_conf *p)
|
|
{
|
|
|
|
switch (p->pc_hdr & PCIM_HDRTYPE) {
|
|
case PCIM_HDRTYPE_BRIDGE:
|
|
print_bus_range(fd, p, PCIR_SECBUS_1, PCIR_SUBBUS_1);
|
|
print_bridge_windows(fd, p);
|
|
break;
|
|
case PCIM_HDRTYPE_CARDBUS:
|
|
print_bus_range(fd, p, PCIR_SECBUS_2, PCIR_SUBBUS_2);
|
|
print_cardbus_windows(fd, p);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
list_bars(int fd, struct pci_conf *p)
|
|
{
|
|
int i, max;
|
|
|
|
switch (p->pc_hdr & PCIM_HDRTYPE) {
|
|
case PCIM_HDRTYPE_NORMAL:
|
|
max = PCIR_MAX_BAR_0;
|
|
break;
|
|
case PCIM_HDRTYPE_BRIDGE:
|
|
max = PCIR_MAX_BAR_1;
|
|
break;
|
|
case PCIM_HDRTYPE_CARDBUS:
|
|
max = PCIR_MAX_BAR_2;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i <= max; i++)
|
|
print_bar(fd, p, "bar ", PCIR_BAR(i));
|
|
}
|
|
|
|
void
|
|
print_bar(int fd, struct pci_conf *p, const char *label, uint16_t bar_offset)
|
|
{
|
|
uint64_t base;
|
|
const char *type;
|
|
struct pci_bar_io bar;
|
|
int range;
|
|
|
|
bar.pbi_sel = p->pc_sel;
|
|
bar.pbi_reg = bar_offset;
|
|
if (ioctl(fd, PCIOCGETBAR, &bar) < 0)
|
|
return;
|
|
if (PCI_BAR_IO(bar.pbi_base)) {
|
|
type = "I/O Port";
|
|
range = 32;
|
|
base = bar.pbi_base & PCIM_BAR_IO_BASE;
|
|
} else {
|
|
if (bar.pbi_base & PCIM_BAR_MEM_PREFETCH)
|
|
type = "Prefetchable Memory";
|
|
else
|
|
type = "Memory";
|
|
switch (bar.pbi_base & PCIM_BAR_MEM_TYPE) {
|
|
case PCIM_BAR_MEM_32:
|
|
range = 32;
|
|
break;
|
|
case PCIM_BAR_MEM_1MB:
|
|
range = 20;
|
|
break;
|
|
case PCIM_BAR_MEM_64:
|
|
range = 64;
|
|
break;
|
|
default:
|
|
range = -1;
|
|
}
|
|
base = bar.pbi_base & ~((uint64_t)0xf);
|
|
}
|
|
printf(" %s[%02x] = type %s, range %2d, base %#jx, ",
|
|
label, bar_offset, type, range, (uintmax_t)base);
|
|
printf("size %ju, %s\n", (uintmax_t)bar.pbi_length,
|
|
bar.pbi_enabled ? "enabled" : "disabled");
|
|
}
|
|
|
|
static void
|
|
list_verbose(struct pci_conf *p)
|
|
{
|
|
struct pci_vendor_info *vi;
|
|
struct pci_device_info *di;
|
|
const char *dp;
|
|
|
|
TAILQ_FOREACH(vi, &pci_vendors, link) {
|
|
if (vi->id == p->pc_vendor) {
|
|
printf(" vendor = '%s'\n", vi->desc);
|
|
break;
|
|
}
|
|
}
|
|
if (vi == NULL) {
|
|
di = NULL;
|
|
} else {
|
|
TAILQ_FOREACH(di, &vi->devs, link) {
|
|
if (di->id == p->pc_device) {
|
|
printf(" device = '%s'\n", di->desc);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if ((dp = guess_class(p)) != NULL)
|
|
printf(" class = %s\n", dp);
|
|
if ((dp = guess_subclass(p)) != NULL)
|
|
printf(" subclass = %s\n", dp);
|
|
}
|
|
|
|
static void
|
|
list_vpd(int fd, struct pci_conf *p)
|
|
{
|
|
struct pci_list_vpd_io list;
|
|
struct pci_vpd_element *vpd, *end;
|
|
|
|
list.plvi_sel = p->pc_sel;
|
|
list.plvi_len = 0;
|
|
list.plvi_data = NULL;
|
|
if (ioctl(fd, PCIOCLISTVPD, &list) < 0 || list.plvi_len == 0)
|
|
return;
|
|
|
|
list.plvi_data = malloc(list.plvi_len);
|
|
if (ioctl(fd, PCIOCLISTVPD, &list) < 0) {
|
|
free(list.plvi_data);
|
|
return;
|
|
}
|
|
|
|
vpd = list.plvi_data;
|
|
end = (struct pci_vpd_element *)((char *)vpd + list.plvi_len);
|
|
for (; vpd < end; vpd = PVE_NEXT(vpd)) {
|
|
if (vpd->pve_flags == PVE_FLAG_IDENT) {
|
|
printf(" VPD ident = '%.*s'\n",
|
|
(int)vpd->pve_datalen, vpd->pve_data);
|
|
continue;
|
|
}
|
|
|
|
/* Ignore the checksum keyword. */
|
|
if (!(vpd->pve_flags & PVE_FLAG_RW) &&
|
|
memcmp(vpd->pve_keyword, "RV", 2) == 0)
|
|
continue;
|
|
|
|
/* Ignore remaining read-write space. */
|
|
if (vpd->pve_flags & PVE_FLAG_RW &&
|
|
memcmp(vpd->pve_keyword, "RW", 2) == 0)
|
|
continue;
|
|
|
|
/* Handle extended capability keyword. */
|
|
if (!(vpd->pve_flags & PVE_FLAG_RW) &&
|
|
memcmp(vpd->pve_keyword, "CP", 2) == 0) {
|
|
printf(" VPD ro CP = ID %02x in map 0x%x[0x%x]\n",
|
|
(unsigned int)vpd->pve_data[0],
|
|
PCIR_BAR((unsigned int)vpd->pve_data[1]),
|
|
(unsigned int)vpd->pve_data[3] << 8 |
|
|
(unsigned int)vpd->pve_data[2]);
|
|
continue;
|
|
}
|
|
|
|
/* Remaining keywords should all have ASCII values. */
|
|
printf(" VPD %s %c%c = '%.*s'\n",
|
|
vpd->pve_flags & PVE_FLAG_RW ? "rw" : "ro",
|
|
vpd->pve_keyword[0], vpd->pve_keyword[1],
|
|
(int)vpd->pve_datalen, vpd->pve_data);
|
|
}
|
|
free(list.plvi_data);
|
|
}
|
|
|
|
/*
|
|
* This is a direct cut-and-paste from the table in sys/dev/pci/pci.c.
|
|
*/
|
|
static struct
|
|
{
|
|
int class;
|
|
int subclass;
|
|
const char *desc;
|
|
} pci_nomatch_tab[] = {
|
|
{PCIC_OLD, -1, "old"},
|
|
{PCIC_OLD, PCIS_OLD_NONVGA, "non-VGA display device"},
|
|
{PCIC_OLD, PCIS_OLD_VGA, "VGA-compatible display device"},
|
|
{PCIC_STORAGE, -1, "mass storage"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_SCSI, "SCSI"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_IDE, "ATA"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_FLOPPY, "floppy disk"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_IPI, "IPI"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_RAID, "RAID"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_ATA_ADMA, "ATA (ADMA)"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_SATA, "SATA"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_SAS, "SAS"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_NVM, "NVM"},
|
|
{PCIC_STORAGE, PCIS_STORAGE_UFS, "UFS"},
|
|
{PCIC_NETWORK, -1, "network"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_ETHERNET, "ethernet"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_TOKENRING, "token ring"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_FDDI, "fddi"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_ATM, "ATM"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_ISDN, "ISDN"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_WORLDFIP, "WorldFip"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_PICMG, "PICMG"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_INFINIBAND, "InfiniBand"},
|
|
{PCIC_NETWORK, PCIS_NETWORK_HFC, "host fabric"},
|
|
{PCIC_DISPLAY, -1, "display"},
|
|
{PCIC_DISPLAY, PCIS_DISPLAY_VGA, "VGA"},
|
|
{PCIC_DISPLAY, PCIS_DISPLAY_XGA, "XGA"},
|
|
{PCIC_DISPLAY, PCIS_DISPLAY_3D, "3D"},
|
|
{PCIC_MULTIMEDIA, -1, "multimedia"},
|
|
{PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_VIDEO, "video"},
|
|
{PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_AUDIO, "audio"},
|
|
{PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_TELE, "telephony"},
|
|
{PCIC_MULTIMEDIA, PCIS_MULTIMEDIA_HDA, "HDA"},
|
|
{PCIC_MEMORY, -1, "memory"},
|
|
{PCIC_MEMORY, PCIS_MEMORY_RAM, "RAM"},
|
|
{PCIC_MEMORY, PCIS_MEMORY_FLASH, "flash"},
|
|
{PCIC_BRIDGE, -1, "bridge"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_HOST, "HOST-PCI"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_ISA, "PCI-ISA"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_EISA, "PCI-EISA"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_MCA, "PCI-MCA"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_PCI, "PCI-PCI"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_PCMCIA, "PCI-PCMCIA"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_NUBUS, "PCI-NuBus"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_CARDBUS, "PCI-CardBus"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_RACEWAY, "PCI-RACEway"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_PCI_TRANSPARENT,
|
|
"Semi-transparent PCI-to-PCI"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_INFINIBAND, "InfiniBand-PCI"},
|
|
{PCIC_BRIDGE, PCIS_BRIDGE_AS_PCI,
|
|
"AdvancedSwitching-PCI"},
|
|
{PCIC_SIMPLECOMM, -1, "simple comms"},
|
|
{PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_UART, "UART"}, /* could detect 16550 */
|
|
{PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_PAR, "parallel port"},
|
|
{PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MULSER, "multiport serial"},
|
|
{PCIC_SIMPLECOMM, PCIS_SIMPLECOMM_MODEM, "generic modem"},
|
|
{PCIC_BASEPERIPH, -1, "base peripheral"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_PIC, "interrupt controller"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_DMA, "DMA controller"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_TIMER, "timer"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_RTC, "realtime clock"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_PCIHOT, "PCI hot-plug controller"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_SDHC, "SD host controller"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_IOMMU, "IOMMU"},
|
|
{PCIC_BASEPERIPH, PCIS_BASEPERIPH_RCEC,
|
|
"Root Complex Event Collector"},
|
|
{PCIC_INPUTDEV, -1, "input device"},
|
|
{PCIC_INPUTDEV, PCIS_INPUTDEV_KEYBOARD, "keyboard"},
|
|
{PCIC_INPUTDEV, PCIS_INPUTDEV_DIGITIZER,"digitizer"},
|
|
{PCIC_INPUTDEV, PCIS_INPUTDEV_MOUSE, "mouse"},
|
|
{PCIC_INPUTDEV, PCIS_INPUTDEV_SCANNER, "scanner"},
|
|
{PCIC_INPUTDEV, PCIS_INPUTDEV_GAMEPORT, "gameport"},
|
|
{PCIC_DOCKING, -1, "docking station"},
|
|
{PCIC_PROCESSOR, -1, "processor"},
|
|
{PCIC_SERIALBUS, -1, "serial bus"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_FW, "FireWire"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_ACCESS, "AccessBus"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_SSA, "SSA"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_USB, "USB"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_FC, "Fibre Channel"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_SMBUS, "SMBus"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_INFINIBAND, "InfiniBand"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_IPMI, "IPMI"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_SERCOS, "SERCOS"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_CANBUS, "CANbus"},
|
|
{PCIC_SERIALBUS, PCIS_SERIALBUS_MIPI_I3C, "MIPI I3C"},
|
|
{PCIC_WIRELESS, -1, "wireless controller"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_IRDA, "iRDA"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_IR, "IR"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_RF, "RF"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_BLUETOOTH, "bluetooth"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_BROADBAND, "broadband"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_80211A, "ethernet 802.11a"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_80211B, "ethernet 802.11b"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_CELL,
|
|
"cellular controller/modem"},
|
|
{PCIC_WIRELESS, PCIS_WIRELESS_CELL_E,
|
|
"cellular controller/modem plus ethernet"},
|
|
{PCIC_INTELLIIO, -1, "intelligent I/O controller"},
|
|
{PCIC_INTELLIIO, PCIS_INTELLIIO_I2O, "I2O"},
|
|
{PCIC_SATCOM, -1, "satellite communication"},
|
|
{PCIC_SATCOM, PCIS_SATCOM_TV, "sat TV"},
|
|
{PCIC_SATCOM, PCIS_SATCOM_AUDIO, "sat audio"},
|
|
{PCIC_SATCOM, PCIS_SATCOM_VOICE, "sat voice"},
|
|
{PCIC_SATCOM, PCIS_SATCOM_DATA, "sat data"},
|
|
{PCIC_CRYPTO, -1, "encrypt/decrypt"},
|
|
{PCIC_CRYPTO, PCIS_CRYPTO_NETCOMP, "network/computer crypto"},
|
|
{PCIC_CRYPTO, PCIS_CRYPTO_ENTERTAIN, "entertainment crypto"},
|
|
{PCIC_DASP, -1, "dasp"},
|
|
{PCIC_DASP, PCIS_DASP_DPIO, "DPIO module"},
|
|
{PCIC_DASP, PCIS_DASP_PERFCNTRS, "performance counters"},
|
|
{PCIC_DASP, PCIS_DASP_COMM_SYNC, "communication synchronizer"},
|
|
{PCIC_DASP, PCIS_DASP_MGMT_CARD, "signal processing management"},
|
|
{PCIC_ACCEL, -1, "processing accelerators"},
|
|
{PCIC_ACCEL, PCIS_ACCEL_PROCESSING, "processing accelerators"},
|
|
{PCIC_INSTRUMENT, -1, "non-essential instrumentation"},
|
|
{0, 0, NULL}
|
|
};
|
|
|
|
static const char *
|
|
guess_class(struct pci_conf *p)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
|
|
if (pci_nomatch_tab[i].class == p->pc_class)
|
|
return(pci_nomatch_tab[i].desc);
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
static const char *
|
|
guess_subclass(struct pci_conf *p)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; pci_nomatch_tab[i].desc != NULL; i++) {
|
|
if ((pci_nomatch_tab[i].class == p->pc_class) &&
|
|
(pci_nomatch_tab[i].subclass == p->pc_subclass))
|
|
return(pci_nomatch_tab[i].desc);
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
static int
|
|
load_vendors(void)
|
|
{
|
|
const char *dbf;
|
|
FILE *db;
|
|
struct pci_vendor_info *cv;
|
|
struct pci_device_info *cd;
|
|
char buf[1024], str[1024];
|
|
char *ch;
|
|
int id, error;
|
|
|
|
/*
|
|
* Locate the database and initialise.
|
|
*/
|
|
TAILQ_INIT(&pci_vendors);
|
|
if ((dbf = getenv("PCICONF_VENDOR_DATABASE")) == NULL)
|
|
dbf = _PATH_LPCIVDB;
|
|
if ((db = fopen(dbf, "r")) == NULL) {
|
|
dbf = _PATH_PCIVDB;
|
|
if ((db = fopen(dbf, "r")) == NULL)
|
|
return(1);
|
|
}
|
|
cv = NULL;
|
|
cd = NULL;
|
|
error = 0;
|
|
|
|
/*
|
|
* Scan input lines from the database
|
|
*/
|
|
for (;;) {
|
|
if (fgets(buf, sizeof(buf), db) == NULL)
|
|
break;
|
|
|
|
if ((ch = strchr(buf, '#')) != NULL)
|
|
*ch = '\0';
|
|
ch = strchr(buf, '\0') - 1;
|
|
while (ch > buf && isspace(*ch))
|
|
*ch-- = '\0';
|
|
if (ch <= buf)
|
|
continue;
|
|
|
|
/* Can't handle subvendor / subdevice entries yet */
|
|
if (buf[0] == '\t' && buf[1] == '\t')
|
|
continue;
|
|
|
|
/* Check for vendor entry */
|
|
if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) {
|
|
if ((id == 0) || (strlen(str) < 1))
|
|
continue;
|
|
if ((cv = malloc(sizeof(struct pci_vendor_info))) == NULL) {
|
|
warn("allocating vendor entry");
|
|
error = 1;
|
|
break;
|
|
}
|
|
if ((cv->desc = strdup(str)) == NULL) {
|
|
free(cv);
|
|
warn("allocating vendor description");
|
|
error = 1;
|
|
break;
|
|
}
|
|
cv->id = id;
|
|
TAILQ_INIT(&cv->devs);
|
|
TAILQ_INSERT_TAIL(&pci_vendors, cv, link);
|
|
continue;
|
|
}
|
|
|
|
/* Check for device entry */
|
|
if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) {
|
|
if ((id == 0) || (strlen(str) < 1))
|
|
continue;
|
|
if (cv == NULL) {
|
|
warnx("device entry with no vendor!");
|
|
continue;
|
|
}
|
|
if ((cd = malloc(sizeof(struct pci_device_info))) == NULL) {
|
|
warn("allocating device entry");
|
|
error = 1;
|
|
break;
|
|
}
|
|
if ((cd->desc = strdup(str)) == NULL) {
|
|
free(cd);
|
|
warn("allocating device description");
|
|
error = 1;
|
|
break;
|
|
}
|
|
cd->id = id;
|
|
TAILQ_INSERT_TAIL(&cv->devs, cd, link);
|
|
continue;
|
|
}
|
|
|
|
/* It's a comment or junk, ignore it */
|
|
}
|
|
if (ferror(db))
|
|
error = 1;
|
|
fclose(db);
|
|
|
|
return(error);
|
|
}
|
|
|
|
uint32_t
|
|
read_config(int fd, struct pcisel *sel, long reg, int width)
|
|
{
|
|
struct pci_io pi;
|
|
|
|
pi.pi_sel = *sel;
|
|
pi.pi_reg = reg;
|
|
pi.pi_width = width;
|
|
|
|
if (ioctl(fd, PCIOCREAD, &pi) < 0)
|
|
err(1, "ioctl(PCIOCREAD)");
|
|
|
|
return (pi.pi_data);
|
|
}
|
|
|
|
static struct pcisel
|
|
getdevice(const char *name)
|
|
{
|
|
struct pci_conf_io pc;
|
|
struct pci_conf conf[1];
|
|
struct pci_match_conf patterns[1];
|
|
char *cp;
|
|
int fd;
|
|
|
|
fd = open(_PATH_DEVPCI, O_RDONLY, 0);
|
|
if (fd < 0)
|
|
err(1, "%s", _PATH_DEVPCI);
|
|
|
|
bzero(&pc, sizeof(struct pci_conf_io));
|
|
pc.match_buf_len = sizeof(conf);
|
|
pc.matches = conf;
|
|
|
|
bzero(&patterns, sizeof(patterns));
|
|
|
|
/*
|
|
* The pattern structure requires the unit to be split out from
|
|
* the driver name. Walk backwards from the end of the name to
|
|
* find the start of the unit.
|
|
*/
|
|
if (name[0] == '\0')
|
|
errx(1, "Empty device name");
|
|
cp = strchr(name, '\0');
|
|
assert(cp != NULL && cp != name);
|
|
cp--;
|
|
while (cp != name && isdigit(cp[-1]))
|
|
cp--;
|
|
if (cp == name || !isdigit(*cp))
|
|
errx(1, "Invalid device name");
|
|
if ((size_t)(cp - name) + 1 > sizeof(patterns[0].pd_name))
|
|
errx(1, "Device name is too long");
|
|
memcpy(patterns[0].pd_name, name, cp - name);
|
|
patterns[0].pd_unit = strtol(cp, &cp, 10);
|
|
if (*cp != '\0')
|
|
errx(1, "Invalid device name");
|
|
patterns[0].flags = PCI_GETCONF_MATCH_NAME | PCI_GETCONF_MATCH_UNIT;
|
|
pc.num_patterns = 1;
|
|
pc.pat_buf_len = sizeof(patterns);
|
|
pc.patterns = patterns;
|
|
|
|
if (ioctl(fd, PCIOCGETCONF, &pc) == -1)
|
|
err(1, "ioctl(PCIOCGETCONF)");
|
|
if (pc.status != PCI_GETCONF_LAST_DEVICE &&
|
|
pc.status != PCI_GETCONF_MORE_DEVS)
|
|
errx(1, "error returned from PCIOCGETCONF ioctl");
|
|
close(fd);
|
|
if (pc.num_matches == 0)
|
|
errx(1, "Device not found");
|
|
return (conf[0].pc_sel);
|
|
}
|
|
|
|
static struct pcisel
|
|
parsesel(const char *str)
|
|
{
|
|
const char *ep;
|
|
char *eppos;
|
|
struct pcisel sel;
|
|
unsigned long selarr[4];
|
|
int i;
|
|
|
|
ep = strchr(str, '@');
|
|
if (ep != NULL)
|
|
ep++;
|
|
else
|
|
ep = str;
|
|
|
|
if (strncmp(ep, "pci", 3) == 0) {
|
|
ep += 3;
|
|
i = 0;
|
|
while (isdigit(*ep) && i < 4) {
|
|
selarr[i++] = strtoul(ep, &eppos, 10);
|
|
ep = eppos;
|
|
if (*ep == ':')
|
|
ep++;
|
|
}
|
|
if (i > 0 && *ep == '\0') {
|
|
sel.pc_func = (i > 2) ? selarr[--i] : 0;
|
|
sel.pc_dev = (i > 0) ? selarr[--i] : 0;
|
|
sel.pc_bus = (i > 0) ? selarr[--i] : 0;
|
|
sel.pc_domain = (i > 0) ? selarr[--i] : 0;
|
|
return (sel);
|
|
}
|
|
}
|
|
errx(1, "cannot parse selector %s", str);
|
|
}
|
|
|
|
static struct pcisel
|
|
getsel(const char *str)
|
|
{
|
|
|
|
/*
|
|
* No device names contain colons and selectors always contain
|
|
* at least one colon.
|
|
*/
|
|
if (strchr(str, ':') == NULL)
|
|
return (getdevice(str));
|
|
else
|
|
return (parsesel(str));
|
|
}
|
|
|
|
static void
|
|
readone(int fd, struct pcisel *sel, long reg, int width)
|
|
{
|
|
|
|
printf("%0*x", width*2, read_config(fd, sel, reg, width));
|
|
}
|
|
|
|
static void
|
|
readit(const char *name, const char *reg, int width)
|
|
{
|
|
long rstart;
|
|
long rend;
|
|
long r;
|
|
char *end;
|
|
int i;
|
|
int fd;
|
|
struct pcisel sel;
|
|
|
|
fd = open(_PATH_DEVPCI, O_RDWR, 0);
|
|
if (fd < 0)
|
|
err(1, "%s", _PATH_DEVPCI);
|
|
|
|
rend = rstart = strtol(reg, &end, 0);
|
|
if (end && *end == ':') {
|
|
end++;
|
|
rend = strtol(end, (char **) 0, 0);
|
|
}
|
|
sel = getsel(name);
|
|
for (i = 1, r = rstart; r <= rend; i++, r += width) {
|
|
readone(fd, &sel, r, width);
|
|
if (i && !(i % 8))
|
|
putchar(' ');
|
|
putchar(i % (16/width) ? ' ' : '\n');
|
|
}
|
|
if (i % (16/width) != 1)
|
|
putchar('\n');
|
|
close(fd);
|
|
}
|
|
|
|
static void
|
|
writeit(const char *name, const char *reg, const char *data, int width)
|
|
{
|
|
int fd;
|
|
struct pci_io pi;
|
|
|
|
pi.pi_sel = getsel(name);
|
|
pi.pi_reg = strtoul(reg, (char **)0, 0); /* XXX error check */
|
|
pi.pi_width = width;
|
|
pi.pi_data = strtoul(data, (char **)0, 0); /* XXX error check */
|
|
|
|
fd = open(_PATH_DEVPCI, O_RDWR, 0);
|
|
if (fd < 0)
|
|
err(1, "%s", _PATH_DEVPCI);
|
|
|
|
if (ioctl(fd, PCIOCWRITE, &pi) < 0)
|
|
err(1, "ioctl(PCIOCWRITE)");
|
|
close(fd);
|
|
}
|
|
|
|
static void
|
|
chkattached(const char *name)
|
|
{
|
|
int fd;
|
|
struct pci_io pi;
|
|
|
|
pi.pi_sel = getsel(name);
|
|
|
|
fd = open(_PATH_DEVPCI, O_RDWR, 0);
|
|
if (fd < 0)
|
|
err(1, "%s", _PATH_DEVPCI);
|
|
|
|
if (ioctl(fd, PCIOCATTACHED, &pi) < 0)
|
|
err(1, "ioctl(PCIOCATTACHED)");
|
|
|
|
exitstatus = pi.pi_data ? 0 : 2; /* exit(2), if NOT attached */
|
|
printf("%s: %s%s\n", name, pi.pi_data == 0 ? "not " : "", "attached");
|
|
close(fd);
|
|
}
|
|
|
|
static void
|
|
dump_bar(const char *name, const char *reg, const char *bar_start,
|
|
const char *bar_count, int width, int verbose)
|
|
{
|
|
struct pci_bar_mmap pbm;
|
|
uint32_t *dd;
|
|
uint16_t *dh;
|
|
uint8_t *db;
|
|
uint64_t *dx, a, start, count;
|
|
char *el;
|
|
size_t res;
|
|
int fd;
|
|
|
|
start = 0;
|
|
if (bar_start != NULL) {
|
|
start = strtoul(bar_start, &el, 0);
|
|
if (*el != '\0')
|
|
errx(1, "Invalid bar start specification %s",
|
|
bar_start);
|
|
}
|
|
count = 0;
|
|
if (bar_count != NULL) {
|
|
count = strtoul(bar_count, &el, 0);
|
|
if (*el != '\0')
|
|
errx(1, "Invalid count specification %s",
|
|
bar_count);
|
|
}
|
|
|
|
pbm.pbm_sel = getsel(name);
|
|
pbm.pbm_reg = strtoul(reg, &el, 0);
|
|
if (*reg == '\0' || *el != '\0')
|
|
errx(1, "Invalid bar specification %s", reg);
|
|
pbm.pbm_flags = 0;
|
|
pbm.pbm_memattr = VM_MEMATTR_DEVICE;
|
|
|
|
fd = open(_PATH_DEVPCI, O_RDWR, 0);
|
|
if (fd < 0)
|
|
err(1, "%s", _PATH_DEVPCI);
|
|
|
|
if (ioctl(fd, PCIOCBARMMAP, &pbm) < 0)
|
|
err(1, "ioctl(PCIOCBARMMAP)");
|
|
|
|
if (count == 0)
|
|
count = pbm.pbm_bar_length / width;
|
|
if (start + count < start || (start + count) * width < (uint64_t)width)
|
|
errx(1, "(start + count) x width overflow");
|
|
if ((start + count) * width > pbm.pbm_bar_length) {
|
|
if (start * width > pbm.pbm_bar_length)
|
|
count = 0;
|
|
else
|
|
count = (pbm.pbm_bar_length - start * width) / width;
|
|
}
|
|
if (verbose) {
|
|
fprintf(stderr,
|
|
"Dumping pci%d:%d:%d:%d BAR %x mapped base %p "
|
|
"off %#x length %#jx from %#jx count %#jx in %d-bytes\n",
|
|
pbm.pbm_sel.pc_domain, pbm.pbm_sel.pc_bus,
|
|
pbm.pbm_sel.pc_dev, pbm.pbm_sel.pc_func,
|
|
pbm.pbm_reg, pbm.pbm_map_base, pbm.pbm_bar_off,
|
|
pbm.pbm_bar_length, start, count, width);
|
|
}
|
|
switch (width) {
|
|
case 1:
|
|
db = (uint8_t *)(uintptr_t)((uintptr_t)pbm.pbm_map_base +
|
|
pbm.pbm_bar_off + start * width);
|
|
for (a = 0; a < count; a += width, db++) {
|
|
res = fwrite(db, width, 1, stdout);
|
|
if (res != 1) {
|
|
errx(1, "error writing to stdout");
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
dh = (uint16_t *)(uintptr_t)((uintptr_t)pbm.pbm_map_base +
|
|
pbm.pbm_bar_off + start * width);
|
|
for (a = 0; a < count; a += width, dh++) {
|
|
res = fwrite(dh, width, 1, stdout);
|
|
if (res != 1) {
|
|
errx(1, "error writing to stdout");
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 4:
|
|
dd = (uint32_t *)(uintptr_t)((uintptr_t)pbm.pbm_map_base +
|
|
pbm.pbm_bar_off + start * width);
|
|
for (a = 0; a < count; a += width, dd++) {
|
|
res = fwrite(dd, width, 1, stdout);
|
|
if (res != 1) {
|
|
errx(1, "error writing to stdout");
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 8:
|
|
dx = (uint64_t *)(uintptr_t)((uintptr_t)pbm.pbm_map_base +
|
|
pbm.pbm_bar_off + start * width);
|
|
for (a = 0; a < count; a += width, dx++) {
|
|
res = fwrite(dx, width, 1, stdout);
|
|
if (res != 1) {
|
|
errx(1, "error writing to stdout");
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
errx(1, "invalid access width");
|
|
}
|
|
|
|
munmap((void *)pbm.pbm_map_base, pbm.pbm_map_length);
|
|
close(fd);
|
|
}
|