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

From: Yinghai Lu
Date: Fri Apr 12 2013 - 18:51:38 EST


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

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
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

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