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net/mlx4_core: Maintain a persistent memory for mlx4 device

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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>
This commit is contained in:
Yishai Hadas
2015-01-25 16:59:35 +02:00
committed by David S. Miller
parent 7aee42c676
commit 872bf2fb69
24 changed files with 234 additions and 163 deletions
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include/linux/mlx4/device.h
+8 -3
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@@ -744,8 +744,15 @@ struct mlx4_vf_dev {
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 mlx4_dev {
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 {