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| author | Sean Hefty <sean.hefty@intel.com> | 2011-06-02 10:43:26 -0700 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2011-10-13 09:43:46 -0700 |
| commit | 18abd5ea571608a7c726fc56e21d3e31f9febfd0 (patch) | |
| tree | e2694cadf06a995e658ec30f7a3bd22835dcda7a /drivers/net | |
| parent | 012a8ff577f95211c6ffd3b77a94c34ebae009b6 (diff) | |
| download | linux-stable-18abd5ea571608a7c726fc56e21d3e31f9febfd0.tar.gz linux-stable-18abd5ea571608a7c726fc56e21d3e31f9febfd0.tar.bz2 linux-stable-18abd5ea571608a7c726fc56e21d3e31f9febfd0.zip | |
IB/mlx4: Add support for XRC SRQs
Allow the user to create XRC SRQs. This patch is based on a patch
from Jack Morgenstrein <jackm@dev.mellanox.co.il>.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mlx4/srq.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/net/mlx4/srq.c b/drivers/net/mlx4/srq.c index 3b07b80a0456..a20b141dbb5c 100644 --- a/drivers/net/mlx4/srq.c +++ b/drivers/net/mlx4/srq.c @@ -40,20 +40,20 @@ struct mlx4_srq_context { __be32 state_logsize_srqn; u8 logstride; - u8 reserved1[3]; - u8 pg_offset; - u8 reserved2[3]; - u32 reserved3; + u8 reserved1; + __be16 xrcd; + __be32 pg_offset_cqn; + u32 reserved2; u8 log_page_size; - u8 reserved4[2]; + u8 reserved3[2]; u8 mtt_base_addr_h; __be32 mtt_base_addr_l; __be32 pd; __be16 limit_watermark; __be16 wqe_cnt; - u16 reserved5; + u16 reserved4; __be16 wqe_counter; - u32 reserved6; + u32 reserved5; __be64 db_rec_addr; }; @@ -109,8 +109,8 @@ static int mlx4_QUERY_SRQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox MLX4_CMD_TIME_CLASS_A); } -int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt, - u64 db_rec, struct mlx4_srq *srq) +int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcd, + struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq) { struct mlx4_srq_table *srq_table = &mlx4_priv(dev)->srq_table; struct mlx4_cmd_mailbox *mailbox; @@ -148,6 +148,8 @@ int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt, srq_context->state_logsize_srqn = cpu_to_be32((ilog2(srq->max) << 24) | srq->srqn); srq_context->logstride = srq->wqe_shift - 4; + srq_context->xrcd = cpu_to_be16(xrcd); + srq_context->pg_offset_cqn = cpu_to_be32(cqn & 0xffffff); srq_context->log_page_size = mtt->page_shift - MLX4_ICM_PAGE_SHIFT; mtt_addr = mlx4_mtt_addr(dev, mtt); |