mlx5dvmlx5dvsdevxrsubscribeedevx,event,vmlx5dvsdevxrsubscribeedevx_event_fd(3)
NAME
mlx5dv_devx_subscribe_devx_event - Subscribe over an event channel for
device events.
mlx5dv_devx_subscribe_devx_event_fd - Subscribe over an event channel
for device events to signal eventfd.
SYNOPSIS
#include <infiniband/mlx5dv.h>
int mlx5dv_devx_subscribe_devx_event(struct mlx5dv_devx_event_channel *dv_event_channel,
struct mlx5dv_devx_obj *obj,
uint16_t events_sz,
uint16_t events_num[],
uint64_t cookie)
int mlx5dv_devx_subscribe_devx_event_fd(struct mlx5dv_devx_event_channel *dv_event_channel,
int fd,
struct mlx5dv_devx_obj *obj,
uint16_t event_num)
DESCRIPTION
Subscribe over a DEVX event channel for device events.
ARGUMENTS
dv_event_channel
Event channel to subscribe over.
fd A file descriptor that previously was opened by the eventfd()
system call.
obj DEVX object that events_num relates to, can be NULL for unaffil-
iated events.
events_sz
Size of the events_num buffer that holds the events to subscribe
for.
events_num
Holds the required event numbers to subscribe for, numbers are
according to the device specification.
cookie The value to be returned back when reading the event, can be
used as an ID for application use.
NOTES
When mlx5dv_devx_subscribe_devx_event_fd will be used the fd will be
signaled once an event has occurred.
SEE ALSO
mlx5dv_open_device(3), mlx5dv_devx_create_event_channel(3), mlx5dv_de-
vx_get_event(3)
#AUTHOR
Yishai Hadas <yishaih@mellanox.com>
mlx5dv_devx_subscribe_devx_event, mlx5dv_devx_subscribe_devx_event_fd(3)
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