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| author | Jagannathan Raman <jag.raman@oracle.com> | 2023-05-17 11:26:18 -0400 |
|---|---|---|
| committer | Jagannathan Raman <jag.raman@oracle.com> | 2023-06-07 10:21:16 -0400 |
| commit | c14547580484e40e95e98332a7341da0e46ba2c4 (patch) | |
| tree | 578a5bfe874940d7030b99166840b075eedc93f8 /hw/remote/vfio-user-obj.c | |
| parent | f5e6786de4815751b0a3d2235c760361f228ea48 (diff) | |
| download | focaccia-qemu-c14547580484e40e95e98332a7341da0e46ba2c4.tar.gz focaccia-qemu-c14547580484e40e95e98332a7341da0e46ba2c4.zip | |
vfio-user: update comments
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>
Diffstat (limited to 'hw/remote/vfio-user-obj.c')
| -rw-r--r-- | hw/remote/vfio-user-obj.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/hw/remote/vfio-user-obj.c b/hw/remote/vfio-user-obj.c index 88ffafc73e..8b10c32a3c 100644 --- a/hw/remote/vfio-user-obj.c +++ b/hw/remote/vfio-user-obj.c @@ -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, ...) \ { \ |