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Add pci_bridge_foreach ().

This commit is contained in:
uch 2002-01-22 15:07:27 +00:00
parent cb9b650951
commit 29d84d9a58
2 changed files with 39 additions and 3 deletions
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37
sys/arch/i386/pci/pcibios.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pcibios.c,v 1.7 2001/11/15 07:03:35 lukem Exp $ */
/* $NetBSD: pcibios.c,v 1.8 2002/01/22 15:07:27 uch Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pcibios.c,v 1.7 2001/11/15 07:03:35 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: pcibios.c,v 1.8 2002/01/22 15:07:27 uch Exp $");
#include "opt_pcibios.h"
@ -126,6 +126,12 @@ void pcibios_print_pir_table __P((void));
#define PCI_IRQ_TABLE_START 0xf0000
#define PCI_IRQ_TABLE_END 0xfffff
static void pci_bridge_hook(pci_chipset_tag_t, pcitag_t, void *);
struct pci_bridge_hook_arg {
void (*func)(pci_chipset_tag_t, pcitag_t, void *);
void *arg;
};
void
pcibios_init()
{
@ -552,3 +558,30 @@ pci_device_foreach_min(pc, minbus, maxbus, func, context)
}
}
}
void
pci_bridge_foreach(pci_chipset_tag_t pc, int minbus, int maxbus,
void (*func)(pci_chipset_tag_t, pcitag_t, void *), void *ctx)
{
struct pci_bridge_hook_arg bridge_hook;
bridge_hook.func = func;
bridge_hook.arg = ctx;
pci_device_foreach_min(pc, minbus, maxbus, pci_bridge_hook,
&bridge_hook);
}
void
pci_bridge_hook(pci_chipset_tag_t pc, pcitag_t tag, void *ctx)
{
struct pci_bridge_hook_arg *bridge_hook = (void *)ctx;
pcireg_t reg;
reg = pci_conf_read(pc, tag, PCI_CLASS_REG);
if (PCI_CLASS(reg) == PCI_CLASS_BRIDGE &&
(PCI_SUBCLASS(reg) == PCI_SUBCLASS_BRIDGE_PCI ||
PCI_SUBCLASS(reg) == PCI_SUBCLASS_BRIDGE_CARDBUS)) {
(*bridge_hook->func)(pc, tag, bridge_hook->arg);
}
}

5
sys/arch/i386/pci/pcibios.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: pcibios.h,v 1.4 2001/07/06 18:04:58 mcr Exp $ */
/* $NetBSD: pcibios.h,v 1.5 2002/01/22 15:07:27 uch Exp $ */
/*
* Copyright (c) 1999, by UCHIYAMA Yasushi
@ -97,6 +97,9 @@ void pci_device_foreach_min __P((pci_chipset_tag_t, int, int,
void (*) (pci_chipset_tag_t, pcitag_t, void*),
void *context));
void pci_bridge_foreach(pci_chipset_tag_t, int, int,
void (*) (pci_chipset_tag_t, pcitag_t, void *), void *);
#ifdef PCIBIOSVERBOSE
extern int pcibiosverbose;