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include/hw/virtio: document some more usage of notifiers

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Lets document some more of the core VirtIODevice structure.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230710153522.3469097-7-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Alex Bennée 2023-07-10 16:35:08 +01:00 committed by Michael S. Tsirkin
parent 3b6256c2c5
commit 661dee7bd0
1 changed files with 8 additions and 0 deletions
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8
include/hw/virtio/virtio.h
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@ -150,10 +150,18 @@ struct VirtIODevice
VMChangeStateEntry *vmstate;
char *bus_name;
uint8_t device_endian;
/**
* @user_guest_notifier_mask: gate usage of ->guest_notifier_mask() callback.
* This is used to suppress the masking of guest updates for
* vhost-user devices which are asynchronous by design.
*/
bool use_guest_notifier_mask;
AddressSpace *dma_as;
QLIST_HEAD(, VirtQueue) *vector_queues;
QTAILQ_ENTRY(VirtIODevice) next;
/**
* @config_notifier: the event notifier that handles config events
*/
EventNotifier config_notifier;
bool device_iotlb_enabled;
};