Man page - rdma_dereg_mr(3)
Packages contas this manual
- rdma_connect(3)
- rdma_resolve_addr(3)
- rdma_get_recv_comp(3)
- rdma_create_qp(3)
- rdma_bind_addr(3)
- rdma_create_srq(3)
- rdma_leave_multicast(3)
- rdma_establish(3)
- rdma_freeaddrinfo(3)
- rdma_reg_msgs(3)
- rdma_get_cm_event(3)
- rdma_post_readv(3)
- rdma_event_str(3)
- rdma_getaddrinfo(3)
- rdma_get_src_port(3)
- rdma_destroy_ep(3)
- rdma_notify(3)
- rdma_post_read(3)
- rdma_disconnect(3)
- rdma_destroy_srq(3)
- rdma_post_ud_send(3)
- rdma_reject(3)
- rdma_migrate_id(3)
- rdma_cm(7)
- rdma_post_recvv(3)
- rdma_get_local_addr(3)
- rdma_get_send_comp(3)
- rdma_accept(3)
- rdma_destroy_id(3)
- rdma_destroy_qp(3)
- rdma_create_id(3)
- rdma_reg_write(3)
- rdma_create_event_channel(3)
- rdma_get_devices(3)
- rdma_listen(3)
- rsocket(7)
- rdma_join_multicast(3)
- rdma_resolve_route(3)
- rdma_create_ep(3)
- rdma_post_writev(3)
- rdma_init_qp_attr(3)
- rdma_get_remote_ece(3)
- rdma_set_option(3)
- rdma_get_request(3)
- rdma_post_write(3)
- rdma_post_sendv(3)
- rdma_post_recv(3)
- rdma_get_dst_port(3)
- rdma_destroy_event_channel(3)
- rdma_dereg_mr(3)
- rdma_post_send(3)
- rdma_ack_cm_event(3)
- rdma_get_peer_addr(3)
- rdma_set_local_ece(3)
- rdma_free_devices(3)
- rdma_join_multicast_ex(3)
- rdma_reg_read(3)
apt-get install librdmacm-dev
Manual
| RDMA_DEREG_MR(3) | Librdmacm Programmer's Manual | RDMA_DEREG_MR(3) |
NAME
rdma_dereg_mr - deregisters a registered memory region.
SYNOPSIS
#include <rdma/rdma_verbs.h>
int rdma_dereg_mr (struct ibv_mr *mr);
ARGUMENTS
- mr
- A reference to a registered memory buffer.
DESCRIPTION
Deregisters a memory buffer that had been registered for RDMA or message operations. A user should call rdma_dereg_mr for all registered memory associated with an rdma_cm_id before destroying the rdma_cm_id.
RETURN VALUE
Returns 0 on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason.
NOTES
All memory registered with an rdma_cm_id is associated with the protection domain associated with the id. Users must deregister all registered memory before the protection domain can be destroyed.
SEE ALSO
rdma_cm(7), rdma_create_id(3), rdma_create_ep(3), rdma_destroy_id(3), rdma_destroy_ep(3), rdma_reg_msgs(3), rdma_reg_read(3), rdma_reg_write(3), ibv_reg_mr(3), ibv_dereg_mr(3)
| 2010-07-19 | librdmacm |