diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2010-12-04 17:06:33 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2010-12-04 17:06:33 +0000 |
| commit | 4b7076ea351a93ed49ec893da421f6291344206e (patch) | |
| tree | 8e5937b390074e65576adaef9e87dde05d917958 /sys/arch/amd64/pci | |
| parent | a0570286cbc603d45d495c2ab02e4654ae5c8a90 (diff) | |
Introduce a new pci routine, pci_conf_size(), which returns the size of a
given pcitag_t configuration address space. Currently, all pci controllers
will return the usual 0x100 bytes of PCI configuration space, but this will
eventually change on PCIe-capable controlers.
ok kettenis@
Diffstat (limited to 'sys/arch/amd64/pci')
| -rw-r--r-- | sys/arch/amd64/pci/pci_machdep.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/arch/amd64/pci/pci_machdep.c b/sys/arch/amd64/pci/pci_machdep.c index 7c05d359182..db78807429d 100644 --- a/sys/arch/amd64/pci/pci_machdep.c +++ b/sys/arch/amd64/pci/pci_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pci_machdep.c,v 1.36 2010/09/06 19:05:48 kettenis Exp $ */ +/* $OpenBSD: pci_machdep.c,v 1.37 2010/12/04 17:06:31 miod Exp $ */ /* $NetBSD: pci_machdep.c,v 1.3 2003/05/07 21:33:58 fvdl Exp $ */ /*- @@ -172,6 +172,12 @@ pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, int *dp, int *fp) *fp = (tag >> 8) & 0x7; } +int +pci_conf_size(pci_chipset_tag_t pc, pcitag_t tag) +{ + return PCI_CONFIG_SPACE_SIZE; +} + pcireg_t pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg) { |