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| author | Roman Kagan <rkagan@virtuozzo.com> | 2018-09-21 11:22:13 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-10-19 13:44:14 +0200 |
| commit | f5642f8b458ba578c1ea94b9ad773e1e5c6cb615 (patch) | |
| tree | 424b6a45e01a589de801907083792af0e7562b66 /include | |
| parent | 4cbaf3c13300b79d0386b567630f8e9c91ac5099 (diff) | |
| download | qemu-f5642f8b458ba578c1ea94b9ad773e1e5c6cb615.zip qemu-f5642f8b458ba578c1ea94b9ad773e1e5c6cb615.tar.gz qemu-f5642f8b458ba578c1ea94b9ad773e1e5c6cb615.tar.bz2 | |
hyperv: add synic event flag signaling
Add infrastructure to signal SynIC event flags by atomically setting the
corresponding bit in the event flags page and firing a SINT if
necessary.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-7-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/hyperv/hyperv.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/hw/hyperv/hyperv.h b/include/hw/hyperv/hyperv.h index 82d561f..757c85e 100644 --- a/include/hw/hyperv/hyperv.h +++ b/include/hw/hyperv/hyperv.h @@ -34,6 +34,10 @@ int hyperv_sint_route_set_sint(HvSintRoute *sint_route); * with the @sint_route; until then no more messages are accepted. */ int hyperv_post_msg(HvSintRoute *sint_route, struct hyperv_message *msg); +/* + * Set event flag @eventno, and signal the SINT if the flag has changed. + */ +int hyperv_set_event_flag(HvSintRoute *sint_route, unsigned eventno); static inline uint32_t hyperv_vp_index(CPUState *cs) { |