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bhyve/snapshot: provide a way to send other messages/data to bhyve

Description

bhyve/snapshot: provide a way to send other messages/data to bhyve

This is a step towards sending messages (other than suspend/checkpoint)
from bhyvectl to bhyve.

Introduce a new struct, ipc_message - this struct stores the type of
message and a union containing message specific structures for the type
of message being sent.

Reviewed by: grehan
Differential Revision: https://reviews.freebsd.org/D30221

(cherry picked from commit d4870e3a7256704905655e997b37a866024c2894)

Details

Provenance
rewAuthored on Mar 3 2021, 6:05 AM
jhbCommitted on Jan 26 2023, 6:46 PM
Reviewer
grehan
Differential Revision
D30221: fstyp(8): define HAVE_ZFS macro when built with zfs
Parents
rGe96f9fa135a2: bhyve/snapshot: use SOCK_DGRAM instead of SOCK_STREAM
Branches
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