diff options
Diffstat (limited to 'drivers/virt/vboxguest/vboxguest_core.h')
| -rw-r--r-- | drivers/virt/vboxguest/vboxguest_core.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/virt/vboxguest/vboxguest_core.h b/drivers/virt/vboxguest/vboxguest_core.h index 77c3a9c8255d..ab4bf64e2cec 100644 --- a/drivers/virt/vboxguest/vboxguest_core.h +++ b/drivers/virt/vboxguest/vboxguest_core.h @@ -118,11 +118,21 @@ struct vbg_dev { u32 event_filter_host; /** - * Usage counters for guest capabilities. Indexed by capability bit + * Guest capabilities which have been switched to acquire_mode. + */ + u32 acquire_mode_guest_caps; + /** + * Guest capabilities acquired by vbg_acquire_session_capabilities(). + * Only one session can acquire a capability at a time. + */ + u32 acquired_guest_caps; + /** + * Usage counters for guest capabilities requested through + * vbg_set_session_capabilities(). Indexed by capability bit * number, one count per session using a capability. * Protected by session_mutex. */ - struct vbg_bit_usage_tracker guest_caps_tracker; + struct vbg_bit_usage_tracker set_guest_caps_tracker; /** * The guest capabilities last reported to the host (or UINT32_MAX). * Protected by session_mutex. @@ -164,11 +174,16 @@ struct vbg_session { */ u32 event_filter; /** - * Guest capabilities for this session. + * Guest capabilities acquired by vbg_acquire_session_capabilities(). + * Only one session can acquire a capability at a time. + */ + u32 acquired_guest_caps; + /** + * Guest capabilities set through vbg_set_session_capabilities(). * A capability claimed by any guest session will be reported to the * host. Protected by vbg_gdev.session_mutex. */ - u32 guest_caps; + u32 set_guest_caps; /** VMMDEV_REQUESTOR_* flags */ u32 requestor; /** Set on CANCEL_ALL_WAITEVENTS, protected by vbg_devevent_spinlock. */ |