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net/mlx5: mlx5_core_create_cq() enhancements 

Enhance mlx5_core_create_cq() to get the command out buffer from the
callers to let them use the output.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Yishai Hadas 2019-06-30 19:23:25 +03:00 committed by Leon Romanovsky
parent c0670781f5
commit 38164b7719
5 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/infiniband/hw/mlx5/cq.c
View File

@ -891,6 +891,7 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
int entries = attr->cqe;
int vector = attr->comp_vector;
struct mlx5_ib_dev *dev = to_mdev(ibdev);
u32 out[MLX5_ST_SZ_DW(create_cq_out)];
struct mlx5_ib_cq *cq;
int uninitialized_var(index);
int uninitialized_var(inlen);
@ -958,7 +959,7 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
if (cq->create_flags & IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN)
MLX5_SET(cqc, cqc, oi, 1);
err = mlx5_core_create_cq(dev->mdev, &cq->mcq, cqb, inlen);
err = mlx5_core_create_cq(dev->mdev, &cq->mcq, cqb, inlen, out, sizeof(out));
if (err)
goto err_cqb;

7
drivers/net/ethernet/mellanox/mlx5/core/cq.c
View File

@ -87,11 +87,10 @@ static void mlx5_add_cq_to_tasklet(struct mlx5_core_cq *cq)
}
int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *in, int inlen)
u32 *in, int inlen, u32 *out, int outlen)
{
int eqn = MLX5_GET(cqc, MLX5_ADDR_OF(create_cq_in, in, cq_context), c_eqn);
u32 dout[MLX5_ST_SZ_DW(destroy_cq_out)];
u32 out[MLX5_ST_SZ_DW(create_cq_out)];
u32 din[MLX5_ST_SZ_DW(destroy_cq_in)];
struct mlx5_eq_comp *eq;
int err;
@ -100,9 +99,9 @@ int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
if (IS_ERR(eq))
return PTR_ERR(eq);
memset(out, 0, sizeof(out));
memset(out, 0, outlen);
MLX5_SET(create_cq_in, in, opcode, MLX5_CMD_OP_CREATE_CQ);
err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
err = mlx5_cmd_exec(dev, in, inlen, out, outlen);
if (err)
return err;

3
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -1517,6 +1517,7 @@ static void mlx5e_free_cq(struct mlx5e_cq *cq)
static int mlx5e_create_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param)
{
u32 out[MLX5_ST_SZ_DW(create_cq_out)];
struct mlx5_core_dev *mdev = cq->mdev;
struct mlx5_core_cq *mcq = &cq->mcq;
@ -1551,7 +1552,7 @@ static int mlx5e_create_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param)
MLX5_ADAPTER_PAGE_SHIFT);
MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma);
err = mlx5_core_create_cq(mdev, mcq, in, inlen);
err = mlx5_core_create_cq(mdev, mcq, in, inlen, out, sizeof(out));
kvfree(in);

3
drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
View File

@ -429,6 +429,7 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size)
struct mlx5_fpga_device *fdev = conn->fdev;
struct mlx5_core_dev *mdev = fdev->mdev;
u32 temp_cqc[MLX5_ST_SZ_DW(cqc)] = {0};
u32 out[MLX5_ST_SZ_DW(create_cq_out)];
struct mlx5_wq_param wqp;
struct mlx5_cqe64 *cqe;
int inlen, err, eqn;
@ -476,7 +477,7 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size)
pas = (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas);
mlx5_fill_page_frag_array(&conn->cq.wq_ctrl.buf, pas);
err = mlx5_core_create_cq(mdev, &conn->cq.mcq, in, inlen);
err = mlx5_core_create_cq(mdev, &conn->cq.mcq, in, inlen, out, sizeof(out));
kvfree(in);
if (err)

2
include/linux/mlx5/cq.h
View File

@ -185,7 +185,7 @@ static inline void mlx5_cq_put(struct mlx5_core_cq *cq)
}
int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *in, int inlen);
u32 *in, int inlen, u32 *out, int outlen);
int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq);
int mlx5_core_query_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *out, int outlen);