diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-27 10:10:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-27 10:10:14 -0700 |
| commit | 2d630d1a6827bb7266dcd8bba5f99fac2505ee97 (patch) | |
| tree | e954840c63cff13f58d4218681435e749afda345 /include | |
| parent | f375d5588ff62caf31b4a68ac9347c153ac56590 (diff) | |
| parent | ed4d3c1061d6f367a4ef5e1656c25af3314fe2b7 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Add helper to move QP to ready-to-send
mlx4_core: Add HW queues allocation helpers
RDMA/nes: Remove volatile qualifier from struct nes_hw_cq.cq_vbase
mlx4_core: CQ resizing should pass a 0 opcode modifier to MODIFY_CQ
mlx4_core: Move kernel doorbell management into core
IB/ehca: Bump version number to 0026
IB/ehca: Make some module parameters bool, update descriptions
IB/ehca: Remove mr_largepage parameter
IB/ehca: Move high-volume debug output to higher debug levels
IB/ehca: Prevent posting of SQ WQEs if QP not in RTS
IPoIB: Handle 4K IB MTU for UD (datagram) mode
RDMA/nes: Fix adapter reset after PXE boot
RDMA/nes: Print IPv4 addresses in a readable format
RDMA/nes: Use print_mac() to format ethernet addresses for printing
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mlx4/device.h | 40 | ||||
| -rw-r--r-- | include/linux/mlx4/qp.h | 4 |
2 files changed, 44 insertions, 0 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index ff7df1a2222..9fa1a8002ce 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -208,6 +208,38 @@ struct mlx4_mtt { int page_shift; }; +enum { + MLX4_DB_PER_PAGE = PAGE_SIZE / 4 +}; + +struct mlx4_db_pgdir { + struct list_head list; + DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE); + DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2); + unsigned long *bits[2]; + __be32 *db_page; + dma_addr_t db_dma; +}; + +struct mlx4_ib_user_db_page; + +struct mlx4_db { + __be32 *db; + union { + struct mlx4_db_pgdir *pgdir; + struct mlx4_ib_user_db_page *user_page; + } u; + dma_addr_t dma; + int index; + int order; +}; + +struct mlx4_hwq_resources { + struct mlx4_db db; + struct mlx4_mtt mtt; + struct mlx4_buf buf; +}; + struct mlx4_mr { struct mlx4_mtt mtt; u64 iova; @@ -341,6 +373,14 @@ int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, struct mlx4_buf *buf); +int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order); +void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db); + +int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, + int size, int max_direct); +void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres, + int size); + int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt, struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq); void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq); diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index a5e43febee4..7f128b266fa 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -296,6 +296,10 @@ int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp, struct mlx4_qp_context *context); +int mlx4_qp_to_ready(struct mlx4_dev *dev, struct mlx4_mtt *mtt, + struct mlx4_qp_context *context, + struct mlx4_qp *qp, enum mlx4_qp_state *qp_state); + static inline struct mlx4_qp *__mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn) { return radix_tree_lookup(&dev->qp_table_tree, qpn & (dev->caps.num_qps - 1)); |