[dpdk-dev] [igb_uio PATCH 2/3] igb_uio: pci_config_lock/pci_config_unlock wrappers

[Yerden Zhumabekov <e_zhumabekov@sts.kz>]

Since PCI config lock/unlock functions were renamed in linux kernel,
these wrappers are introduced to reflect this change.

Signed-off-by: Yerden Zhumabekov <e_zhumabekov@sts.kz>
---
 lib/librte_eal/linuxapp/igb_uio/igb_uio.c |   20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 02545d9..605410e 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -223,6 +223,26 @@ static const struct attribute_group dev_attr_grp = {
 	.attrs = dev_attrs,
 };
 
+static inline void
+pci_config_lock(struct pci_dev *pdev)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
+	pci_block_user_cfg_access(pdev);
+#else
+	pci_cfg_access_lock(pdev);
+#endif
+}
+
+static inline void
+pci_config_unlock(struct pci_dev *pdev)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
+	pci_unblock_user_cfg_access(pdev);
+#else
+	pci_cfg_access_unlock(pdev);
+#endif
+}
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
 /* Check if INTX works to control irq's.
  * Set's INTX_DISABLE flag and reads it back
-- 
1.7.10.4