[src/trunk]: src/sys/dev/pci Define masks for subsystem vendor and subsystem ...

[dyoung <dyoung%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8199f1bbe1e1
branches:  trunk
changeset: 761382:8199f1bbe1e1
user:      dyoung <dyoung%NetBSD.org@localhost>
date:      Wed Jan 26 00:49:56 2011 +0000

description:
Define masks for subsystem vendor and subsystem ID fields, plus a couple
of macros for extracting them.

diffstat:

 sys/dev/pci/pcireg.h |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r 0f45e1cf8df0 -r 8199f1bbe1e1 sys/dev/pci/pcireg.h
--- a/sys/dev/pci/pcireg.h      Wed Jan 26 00:25:55 2011 +0000
+++ b/sys/dev/pci/pcireg.h      Wed Jan 26 00:49:56 2011 +0000
@@ -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 @@
  */
 #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)
  */