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Add a new command: show pciregs, equivalent to pciconf -l

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Reviewed by:	Doug Rabson (quite some time ago)
MFC after:	1 week
This commit is contained in:
guido 2002-08-28 10:02:59 +00:00
parent 3934fa2931
commit c9f53f60cb
1 changed files with 77 additions and 0 deletions
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77
sys/dev/pci/pci.c
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@ -1211,6 +1211,83 @@ pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
return (0);
}
#include "opt_ddb.h"
#ifdef DDB
#include <ddb/ddb.h>
#include <sys/cons.h>
/*
* List resources based on pci map registers, used for within ddb
*/
DB_SHOW_COMMAND(pciregs, db_pci_dump)
{
struct pci_devinfo *dinfo;
struct devlist *devlist_head;
struct pci_conf *p;
const char *name;
int i, error, none_count, nl;
none_count = 0;
nl = 0;
/* get the head of the device queue */
devlist_head = &pci_devq;
/*
* Go through the list of devices and print out devices
*/
for (error = 0, i = 0,
dinfo = STAILQ_FIRST(devlist_head);
(dinfo != NULL) && (error == 0) && (i < pci_numdevs);
dinfo = STAILQ_NEXT(dinfo, pci_links), i++) {
/* Populate pd_name and pd_unit */
name = NULL;
if (dinfo->cfg.dev)
name = device_get_name(dinfo->cfg.dev);
p = &dinfo->conf;
/*
* XXX just take 20 for now...
*/
if (nl++ == 20) {
int c;
db_printf("--More--");
c = cngetc();
db_printf("\r");
/*
* A whole screenfull or just one line?
*/
switch (c) {
case '\n': /* just one line */
nl = 20;
break;
case ' ':
nl = 0; /* another screenfull */
break;
default: /* exit */
db_printf("\n");
return;
}
}
db_printf("%s%d@pci%d:%d:%d:\tclass=0x%06x card=0x%08x "
"chip=0x%08x rev=0x%02x hdr=0x%02x\n",
(name && *name) ? name : "none",
(name && *name) ? (int)device_get_unit(dinfo->cfg.dev) :
none_count++,
p->pc_sel.pc_bus, p->pc_sel.pc_dev,
p->pc_sel.pc_func, (p->pc_class << 16) |
(p->pc_subclass << 8) | p->pc_progif,
(p->pc_subdevice << 16) | p->pc_subvendor,
(p->pc_device << 16) | p->pc_vendor,
p->pc_revid, p->pc_hdr);
}
}
#endif /* DDB */
struct resource *
pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)