[PATCH mlx5-next 04/12] net/mlx5: mlx5_core_create_cq() enhancements
From: Leon Romanovsky <leon@kernel.org>
Date: 2019-06-13 16:44:30
Also in:
linux-rdma
Subsystem:
infiniband subsystem, mellanox ethernet driver (mlx5e), mellanox ethernet innova drivers, mellanox mlx5 ib driver, mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Saeed Mahameed, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2019-06-13 · [PATCH mlx5-next 04/12] net/mlx5: mlx5_core_create_cq() enhancements · Leon Romanovsky <leon@kernel.org>
From: Yishai Hadas <redacted> 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 <redacted> Reviewed-by: Saeed Mahameed <redacted> Signed-off-by: Leon Romanovsky <redacted> --- drivers/infiniband/hw/mlx5/cq.c | 3 ++- drivers/net/ethernet/mellanox/mlx5/core/cq.c | 7 +++---- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 ++- drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c | 3 ++- include/linux/mlx5/cq.h | 2 +- 5 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index 07b73df0e1a3..9f39e7b9dd1b 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c@@ -892,6 +892,7 @@ int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, int vector = attr->comp_vector; struct mlx5_ib_dev *dev = to_mdev(ibdev); struct mlx5_ib_cq *cq = to_mcq(ibcq); + u32 out[MLX5_ST_SZ_DW(create_cq_out)]; int uninitialized_var(index); int uninitialized_var(inlen); u32 *cqb = NULL;
@@ -954,7 +955,7 @@ int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, 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;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cq.c b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
index 703d88332bc6..1bd4336392a2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cq.c@@ -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;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 457cc39423f2..7186282785df 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c@@ -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);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
index ca2296a2f9ee..dc7b9d9f274d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c@@ -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)
diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h
index 769326ea1d9b..e44157a2b7db 100644
--- a/include/linux/mlx5/cq.h
+++ b/include/linux/mlx5/cq.h@@ -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);
--
2.20.1