include/pci_regs: add PCI_STD_NUM_BARS macro

CV-Bowen · xiaoxiang781216 · commit 97740fca2c56 · 2024-09-27T17:12:09.000+08:00
Signed-off-by: Bowen Wang &lt;wangbowen6@xiaomi.com&gt;
diff --git a/include/nuttx/pci/pci_regs.h b/include/nuttx/pci/pci_regs.h
@@ -26,6 +26,7 @@
  */
 
 #define PCI_STD_HEADER_SIZEOF             64
+#define PCI_STD_NUM_BARS                  6     /* Number of standard BARs */
 #define PCI_VENDOR_ID                     0x00  /* 16 bits */
 #define PCI_DEVICE_ID                     0x02  /* 16 bits */
 #define PCI_COMMAND                       0x04  /* 16 bits */
