| .\" -*- nroff -*- |
| .\" Licensed under the OpenIB.org BSD license (FreeBSD Variant) - See COPYING.md |
| .\" |
| .TH IBV_MODIFY_WQ 3 2016-07-27 libibverbs "Libibverbs Programmer's Manual" |
| .SH "NAME" |
| ibv_modify_wq \- Modify a Work Queue (WQ). |
| .SH "SYNOPSIS" |
| .nf |
| .B #include <infiniband/verbs.h> |
| .sp |
| .BI "struct int ibv_modify_wq(struct ibv_wq " "*wq," |
| .BI " struct ibv_wq_attr " "*wq_attr" ); |
| .sp |
| .fi |
| .SH "DESCRIPTION" |
| .B ibv_modify_wq() |
| modifys a WQ |
| .I wq\fR. |
| The argument |
| .I wq_attr |
| is an ibv_wq_attr struct, as defined in <infiniband/verbs.h>. |
| .PP |
| .nf |
| struct ibv_wq_attr { |
| .in +8 |
| uint32_t attr_mask; /* Use enum ibv_wq_attr_mask */ |
| enum ibv_wq_state wq_state; /* Move to this state */ |
| enum ibv_wq_state curr_wq_state; /* Assume this is the current state */ |
| uint32_t flags; /* Flags values to modify, use enum ibv_wq_flags */ |
| uint32_t flags_mask; /* Which flags to modify, use enum ibv_wq_flags */ |
| .in -8 |
| }; |
| .fi |
| .PP |
| The function |
| .B ibv_modify_wq() |
| will modify the WQ based on the given |
| .I wq_attr\fB\fR->attr_mask |
| .SH "RETURN VALUE" |
| returns 0 on success, or the value of errno on failure (which indicates the failure reason). |
| .SH "SEE ALSO" |
| .BR ibv_create_wq (3), |
| .BR ibv_destroy_wq (3), |
| .SH "AUTHORS" |
| .TP |
| Yishai Hadas <yishaih@mellanox.com> |
