4 files changed, 37 insertions, 0 deletions
diff --git a/src/include/ipxe/ecam.h b/src/include/ipxe/ecam.h
index ff08aee5a..f656083f7 100644
--- a/src/include/ipxe/ecam.h
+++ b/src/include/ipxe/ecam.h
@@ -54,6 +54,16 @@ struct ecam_mapping {
 	int rc;
 };
 
+/**
+ * Check if PCI bus probing is allowed
+ *
+ * @ret ok		Bus probing is allowed
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( ecam, pci_can_probe ) ( void ) {
+	return 1;
+}
+
 extern struct pci_api ecam_api;
 
 #endif /* _IPXE_ECAM_H */
diff --git a/src/include/ipxe/efi/efi_pci_api.h b/src/include/ipxe/efi/efi_pci_api.h
index cf5e1d020..0c4c1b72c 100644
--- a/src/include/ipxe/efi/efi_pci_api.h
+++ b/src/include/ipxe/efi/efi_pci_api.h
@@ -33,6 +33,16 @@ extern int efipci_write ( struct pci_device *pci, unsigned long location,
 			  unsigned long value );
 
 /**
+ * Check if PCI bus probing is allowed
+ *
+ * @ret ok		Bus probing is allowed
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( efi, pci_can_probe ) ( void ) {
+	return 0;
+}
+
+/**
  * Find next PCI bus:dev.fn address range in system
  *
  * @v busdevfn		Starting PCI bus:dev.fn address
diff --git a/src/include/ipxe/linux/linux_pci.h b/src/include/ipxe/linux/linux_pci.h
index ec6ff8b1c..2b19e13c3 100644
--- a/src/include/ipxe/linux/linux_pci.h
+++ b/src/include/ipxe/linux/linux_pci.h
@@ -23,6 +23,16 @@ extern int linux_pci_write ( struct pci_device *pci, unsigned long where,
 			     unsigned long value, size_t len );
 
 /**
+ * Check if PCI bus probing is allowed
+ *
+ * @ret ok		Bus probing is allowed
+ */
+static inline __always_inline int
+PCIAPI_INLINE ( linux, pci_can_probe ) ( void ) {
+	return 1;
+}
+
+/**
  * Find next PCI bus:dev.fn address range in system
  *
  * @v busdevfn		Starting PCI bus:dev.fn address
diff --git a/src/include/ipxe/pci_io.h b/src/include/ipxe/pci_io.h
index 4c035b18b..322fdbb24 100644
--- a/src/include/ipxe/pci_io.h
+++ b/src/include/ipxe/pci_io.h
@@ -67,6 +67,13 @@ struct pci_range {
 #include <bits/pci_io.h>
 
 /**
+ * Check if PCI bus probing is allowed
+ *
+ * @ret ok		Bus probing is allowed
+ */
+int pci_can_probe ( void );
+
+/**
  * Find next PCI bus:dev.fn address range in system
  *
  * @v busdevfn		Starting PCI bus:dev.fn address