1mlx5dv_mdlexv5xd_vs_udbesvcxr_isbueb_sdcervixb_ee_vdeenvtx,_emvlexn5td,v_mdlexv5xd_vs_udbesvcxr_isbueb_sdcervixb_ee_vdeenvtx__fedv(e3n)t_fd(3)
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6 mlx5dv_devx_subscribe_devx_event - Subscribe over an event channel for
7 device events.
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9 mlx5dv_devx_subscribe_devx_event_fd - Subscribe over an event channel
10 for device events to signal eventfd.
11
13 #include <infiniband/mlx5dv.h>
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15 int mlx5dv_devx_subscribe_devx_event(struct mlx5dv_devx_event_channel *dv_event_channel,
16 struct mlx5dv_devx_obj *obj,
17 uint16_t events_sz,
18 uint16_t events_num[],
19 uint64_t cookie)
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21 int mlx5dv_devx_subscribe_devx_event_fd(struct mlx5dv_devx_event_channel *dv_event_channel,
22 int fd,
23 struct mlx5dv_devx_obj *obj,
24 uint16_t event_num)
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27 Subscribe over a DEVX event channel for device events.
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30 dv_event_channel
31 Event channel to subscribe over.
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33 fd A file descriptor that previously was opened by the eventfd()
34 system call.
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36 obj DEVX object that events_num relates to, can be NULL for unaffil‐
37 iated events.
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39 events_sz
40 Size of the events_num buffer that holds the events to subscribe
41 for.
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43 events_num
44 Holds the required event numbers to subscribe for, numbers are
45 according to the device specification.
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47 cookie The value to be returned back when reading the event, can be
48 used as an ID for application use.
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51 When mlx5dv_devx_subscribe_devx_event_fd will be used the fd will be
52 signaled once an event has occurred.
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55 mlx5dv_open_device(3), mlx5dv_devx_create_event_channel(3), mlx5dv_de‐
56 vx_get_event(3)
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58 #AUTHOR
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60 Yishai Hadas <yishaih@mellanox.com>
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64 mlx5dv_devx_subscribe_devx_event, mlx5dv_devx_subscribe_devx_event_fd(3)