.\" Automatically generated by Pandoc 3.1.11.1
.\"
.TH "mlx4dv_set_context_attr" "3" "" "" ""
.SH NAME
mlx4dv_set_context_attr \- Set context attributes
.SH SYNOPSIS
.IP
.EX
#include <infiniband/mlx4dv.h>

int mlx4dv_set_context_attr(struct ibv_context *context,
                            enum mlx4dv_set_ctx_attr_type attr_type,
                            void *attr);
.EE
.SH DESCRIPTION
mlx4dv_set_context_attr gives the ability to set vendor specific
attributes on the RDMA context.
.SH ARGUMENTS
.TP
\f[I]context\f[R]
RDMA device context to work on.
.TP
\f[I]attr_type\f[R]
The type of the provided attribute.
.TP
\f[I]attr\f[R]
Pointer to the attribute to be set.
## attr_type
.IP
.EX
enum mlx4dv_set_ctx_attr_type {
    /* Attribute type uint8_t */
    MLX4DV_SET_CTX_ATTR_LOG_WQS_RANGE_SZ    = 0,
    MLX4DV_SET_CTX_ATTR_BUF_ALLOCATORS  = 1,
};
.EE
.TP
\f[I]MLX4DV_SET_CTX_ATTR_LOG_WQS_RANGE_SZ\f[R]
Change the LOG WQs Range size for RSS
.TP
\f[I]MLX4DV_SET_CTX_ATTR_BUF_ALLOCATORS\f[R]
Provide an external buffer allocator
.IP
.EX
struct mlx4dv_ctx_allocators {
    void *(*alloc)(size_t size, void *priv_data);
    void (*free)(void *ptr, void *priv_data);
    void *data;
};
.EE
.TP
\f[I]alloc\f[R]
Function used for buffer allocation instead of libmlx4 internal method
.TP
\f[I]free\f[R]
Function used to free buffers allocated by alloc function
.TP
\f[I]data\f[R]
Metadata that can be used by alloc and free functions
.SH RETURN VALUE
Returns 0 on success, or the value of errno on failure (which indicates
the failure reason).
.PP
#AUTHOR
.PP
Majd Dibbiny \c
.MT majd@mellanox.com
.ME \c
