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Implement pci_decompose_tag().

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This commit is contained in:
thorpej 2002-05-15 17:40:11 +00:00
parent 4fba408409
commit a91677eb7b
2 changed files with 22 additions and 2 deletions
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17
sys/arch/sparc64/dev/pci_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pci_machdep.c,v 1.27 2002/05/06 22:18:51 eeh Exp $ */
/* $NetBSD: pci_machdep.c,v 1.28 2002/05/15 17:40:11 thorpej Exp $ */
/*
* Copyright (c) 1999, 2000 Matthew R. Green
@ -332,6 +332,21 @@ pci_make_tag(pc, b, d, f)
return (tag);
}
void
pci_decompose_tag(pc, tag, bp, dp, fp)
pci_chipset_tag_t pc;
pcitag_t tag;
int *bp, *dp, *fp;
{
if (bp != NULL)
*bp = PCITAG_BUS(tag);
if (dp != NULL)
*dp = PCITAG_DEV(tag);
if (fp != NULL)
*fp = PCITAG_FUN(tag);
}
pcitag_t
ofpci_make_tag(pc, node, b, d, f)
pci_chipset_tag_t pc;

7
sys/arch/sparc64/include/pci_machdep.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: pci_machdep.h,v 1.9 2002/02/26 22:39:14 eeh Exp $ */
/* $NetBSD: pci_machdep.h,v 1.10 2002/05/15 17:40:12 thorpej Exp $ */
/*
* Copyright (c) 1999 Matthew R. Green
@ -66,6 +66,9 @@ struct sparc_pci_chipset {
#define PCITAG_NODE(x) (int)(((x)>>32)&0xffffffff)
#define PCITAG_OFFSET(x) ((x)&0xffffffff)
#define PCITAG_BUS(t) ((PCITAG_OFFSET(t)>>16)&0xff)
#define PCITAG_DEV(t) ((PCITAG_OFFSET(t)>>11)&0x1f)
#define PCITAG_FUN(t) ((PCITAG_OFFSET(t)>>8)&0x7)
#define PCITAG_CREATE(n,b,d,f) (((u_int64_t)(n)<<32)|((b)<<16)|((d)<<11)|((f)<<8))
#define PCITAG_SETNODE(t,n) ((t)&0xffffffff)|(((n)<<32)
typedef u_int64_t pcitag_t;
@ -81,6 +84,8 @@ int pci_dev_funcorder(pci_chipset_tag_t, int, int, char *);
#endif
int pci_bus_maxdevs(pci_chipset_tag_t, int);
pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
void pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *,
int *);
pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
void pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
pcireg_t);