mlx5dv_dm_map_op_addr(3) mlx5 Programmer’s Manual mlx5dv_dm_map_op_addr(3)

mlx5dv_dm_map_op_addr - Get operation address of a device memory (DM)

#include <infiniband/mlx5dv.h>
void *mlx5dv_dm_map_op_addr(struct ibv_dm *dm, uint8_t op);

mlx5dv_dm_map_op_addr() returns a mmaped address to the device memory for the requested op.

The associated ibv_dm for this operation.
Indicates the DM operation type, based on device specification.

Returns a pointer to the mmaped address, on error NULL will be returned and errno will be set.

ibv_alloc_dm(3), mlx5dv_alloc_dm(3),

Maor Gottlieb <>

2021-1-21 mlx5