[PATCH v4 05/29] PCI: Add is_pci_*_resource_idx() helpers

[Yinghai Lu <yinghai@kernel.org>]

According to resource pointer find out if the resource is some type resource
like bridge, sriov, or std.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 include/linux/pci.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index f4da78d..14b7de4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -107,6 +107,29 @@ enum {
 	DEVICE_COUNT_RESOURCE = PCI_NUM_RESOURCES,
 };
 
+static inline bool is_pci_std_resource_idx(int i)
+{
+	return i >= PCI_STD_RESOURCES && i <= PCI_STD_RESOURCE_END;
+}
+
+static inline bool is_pci_rom_resource_idx(int i)
+{
+	return i == PCI_ROM_RESOURCE;
+}
+
+static inline bool is_pci_iov_resource_idx(int i)
+{
+#ifdef CONFIG_PCI_IOV
+	return i >= PCI_IOV_RESOURCES && i <= PCI_IOV_RESOURCE_END;
+#endif
+	return false;
+}
+
+static inline bool is_pci_bridge_resource_idx(int i)
+{
+	return i >= PCI_BRIDGE_RESOURCES && i <= PCI_BRIDGE_RESOURCE_END;
+}
+
 typedef int __bitwise pci_power_t;
 
 #define PCI_D0		((pci_power_t __force) 0)
-- 
1.8.1.4