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-rw-r--r--src/sys/include/io/pci/cam.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sys/include/io/pci/cam.h b/src/sys/include/io/pci/cam.h
index 817556e..06dcc53 100644
--- a/src/sys/include/io/pci/cam.h
+++ b/src/sys/include/io/pci/cam.h
@@ -78,6 +78,7 @@
#define PCI_CAP_MSIX 0x11
/* PCI BAR defines */
+#define PCI_BAR_IO(BAR) (((BAR) & 1) == 1)
#define PCI_BAR_TYPE(BAR) ((BAR >> 1) & 3)
#define PCI_BAR_32(BAR) (PCI_BAR_TYPE(BAR) == 0x0)
#define PCI_BAR_64(BAR) (PCI_BAR_TYPE(BAR) == 0x2)