net/mlx4_core: Avoid repeated calls to pci enable/disable

[cascardo/linux.git] / include / linux / mlx4 / device.h

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 8541a91..d1f904c 100644 (file)
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -828,6 +828,11 @@ struct mlx4_vf_dev {
        u8                      n_ports;
 };
 
+enum mlx4_pci_status {
+       MLX4_PCI_STATUS_DISABLED,
+       MLX4_PCI_STATUS_ENABLED,
+};
+
 struct mlx4_dev_persistent {
        struct pci_dev         *pdev;
        struct mlx4_dev        *dev;
@@ -841,6 +846,8 @@ struct mlx4_dev_persistent {
        u8              state;
        struct mutex    interface_state_mutex; /* protect SW state */
        u8      interface_state;
+       struct mutex            pci_status_mutex; /* sync pci state */
+       enum mlx4_pci_status    pci_status;
 };
 
 struct mlx4_dev {