net/mlx4_core: Maintain a persistent memory for mlx4 device
Maintain a persistent memory that should survive reset flow/PCI error.
This comes as a preparation for coming series to support above flows.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index f1e41b3..1069ce6 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -744,8 +744,15 @@
u8 n_ports;
};
-struct mlx4_dev {
+struct mlx4_dev_persistent {
struct pci_dev *pdev;
+ struct mlx4_dev *dev;
+ int nvfs[MLX4_MAX_PORTS + 1];
+ int num_vfs;
+};
+
+struct mlx4_dev {
+ struct mlx4_dev_persistent *persist;
unsigned long flags;
unsigned long num_slaves;
struct mlx4_caps caps;
@@ -754,13 +761,11 @@
struct radix_tree_root qp_table_tree;
u8 rev_id;
char board_id[MLX4_BOARD_ID_LEN];
- int num_vfs;
int numa_node;
int oper_log_mgm_entry_size;
u64 regid_promisc_array[MLX4_MAX_PORTS + 1];
u64 regid_allmulti_array[MLX4_MAX_PORTS + 1];
struct mlx4_vf_dev *dev_vfs;
- int nvfs[MLX4_MAX_PORTS + 1];
};
struct mlx4_eqe {