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vfio-user: update comments

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Clarify the behavior of TYPE_VFU_OBJECT when TYPE_REMOTE_MACHINE enables
the auto-shutdown property. Also, add notes to VFU_OBJECT_ERROR.

Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Jagannathan Raman 2023-05-17 11:26:18 -04:00
parent f5e6786de4
commit c145475804
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1 changed files with 11 additions and 3 deletions
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14
hw/remote/vfio-user-obj.c
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@ -30,6 +30,11 @@
*
* notes - x-vfio-user-server could block IO and monitor during the
* initialization phase.
*
* When x-remote machine has the auto-shutdown property
* enabled (default), x-vfio-user-server terminates after the last
* client disconnects. Otherwise, it will continue running until
* explicitly killed.
*/
#include "qemu/osdep.h"
@ -61,9 +66,12 @@
OBJECT_DECLARE_TYPE(VfuObject, VfuObjectClass, VFU_OBJECT)
/**
* VFU_OBJECT_ERROR - reports an error message. If auto_shutdown
* is set, it aborts the machine on error. Otherwise, it logs an
* error message without aborting.
* VFU_OBJECT_ERROR - reports an error message.
*
* If auto_shutdown is set, it aborts the machine on error. Otherwise,
* it logs an error message without aborting. auto_shutdown is disabled
* when the server serves clients from multiple VMs; as such, an error
* from one VM shouldn't be able to disrupt other VM's services.
*/
#define VFU_OBJECT_ERROR(o, fmt, ...) \
{ \