summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorimp <imp@FreeBSD.org>2005-12-29 23:40:41 +0000
committerimp <imp@FreeBSD.org>2005-12-29 23:40:41 +0000
commite57b04f29b1ff21e1c921174a40471f0f21b64c2 (patch)
tree4605f6b4e07215175e8a73b1a9832a4ac7b7f83f
parent95bb7dd5c456f4064c8d82261961b3a348d5a32f (diff)
downloadFreeBSD-src-e57b04f29b1ff21e1c921174a40471f0f21b64c2.zip
FreeBSD-src-e57b04f29b1ff21e1c921174a40471f0f21b64c2.tar.gz
Add a macro to map from BAR to rid # (inverse of PCIR_BARS).
-rw-r--r--sys/dev/pci/pcireg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/pci/pcireg.h b/sys/dev/pci/pcireg.h
index e0bbcc3..253666c 100644
--- a/sys/dev/pci/pcireg.h
+++ b/sys/dev/pci/pcireg.h
@@ -116,6 +116,7 @@
#define PCIR_BARS 0x10
#define PCIR_BAR(x) (PCIR_BARS + (x) * 4)
+#define PCI_RID2BAR(rid) (1<<(((rid)-PCIR_BARS)/4))
#define PCIR_CIS 0x28
#define PCIM_CIS_ASI_MASK 0x7
#define PCIM_CIS_ASI_TUPLE 0
OpenPOWER on IntegriCloud