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IB/mlx5: Keep mlx5 MRs in a radix tree under device

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This will be useful when processing signature errors on a specific
key.  The mlx5 driver will lookup the matching mlx5 memory region
structure and mark it as dirty (contains signature errors).

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Sagi Grimberg
2014-02-23 14:19:10 +02:00
committed by Roland Dreier
parent 2ac45934f8
commit 3bcdb17a5e
3 changed files with 43 additions and 0 deletions
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18
include/linux/mlx5/driver.h
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@@ -491,6 +491,13 @@ struct mlx5_srq_table {
struct radix_tree_root tree;
};
struct mlx5_mr_table {
/* protect radix tree
*/
rwlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_priv {
char name[MLX5_MAX_NAME_LEN];
struct mlx5_eq_table eq_table;
@@ -520,6 +527,10 @@ struct mlx5_priv {
struct mlx5_cq_table cq_table;
/* end: cq staff */
/* start: mr staff */
struct mlx5_mr_table mr_table;
/* end: mr staff */
/* start: alloc staff */
struct mutex pgdir_mutex;
struct list_head pgdir_list;
@@ -667,6 +678,11 @@ static inline void mlx5_vfree(const void *addr)
kfree(addr);
}
static inline u32 mlx5_base_mkey(const u32 key)
{
return key & 0xffffff00u;
}
int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev);
void mlx5_dev_cleanup(struct mlx5_core_dev *dev);
int mlx5_cmd_init(struct mlx5_core_dev *dev);
@@ -701,6 +717,8 @@ int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_query_srq_mbox_out *out);
int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
u16 lwm, int is_srq);
void mlx5_init_mr_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
struct mlx5_create_mkey_mbox_in *in, int inlen,
mlx5_cmd_cbk_t callback, void *context,