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Define masks for subsystem vendor and subsystem ID fields, plus a couple 

of macros for extracting them.
This commit is contained in:
dyoung 2011-01-26 00:49:56 +00:00
parent d13f306052
commit c168b21fd4
1 changed files with 10 additions and 1 deletions
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11
sys/dev/pci/pcireg.h
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@ -1,4 +1,4 @@
/* $NetBSD: pcireg.h,v 1.69 2011/01/10 12:23:21 jmcneill Exp $ */
/* $NetBSD: pcireg.h,v 1.70 2011/01/26 00:49:56 dyoung Exp $ */
/*
* Copyright (c) 1995, 1996, 1999, 2000
@ -429,6 +429,15 @@ typedef u_int8_t pci_revision_t;
*/
#define PCI_SUBSYS_ID_REG 0x2c
#define PCI_SUBSYS_VENDOR_MASK __BITS(15, 0)
#define PCI_SUBSYS_ID_MASK __BITS(31, 16)
#define PCI_SUBSYS_VENDOR(__subsys_id) \
__SHIFTOUT(__subsys_id, PCI_SUBSYS_VENDOR_MASK)
#define PCI_SUBSYS_ID(__subsys_id) \
__SHIFTOUT(__subsys_id, PCI_SUBSYS_ID_MASK)
/*
* Capabilities link list (PCI rev. 2.2)
*/