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4d53ee84fa
freebsd-skq/sys/xen
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royger 4d53ee84fa xen: import a proper event channel user-space device 
The user-space event channel device is used by applications to receive
and send event channel interrupts. This device is based on the Linux
evtchn device.

Sponsored by: Citrix Systems R&D

xen/evtchn/evtchn_dev.c:
 - Remove the old event channel device, which was already disabled in
   the build system.

dev/xen/evtchn/evtchn_dev.c:
 - Import a new event channel device based on the one present in
   Linux.
 - This device allows the following operations:
   - Bind VIRQ event channels (ioctl).
   - Bind regular event channels (ioctl).
   - Create and bind new event channels (ioctl).
   - Unbind event channels (ioctl).
   - Send notifications to event channels (ioctl).
   - Reset the device shared memory ring (ioctl).
   - Unmask event channels (write).
   - Receive event channel upcalls (read).
 - The new code is MP safe, and can be used concurrently.

conf/files:
 - Add the new device to the build system.
2014-10-22 16:57:11 +00:00
..
evtchn xen: import a proper event channel user-space device 2014-10-22 16:57:11 +00:00
interface msi: add Xen MSI implementation 2014-09-30 16:46:45 +00:00
xenbus Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
xenstore xen: convert the xenstore user-space char device to a newbus device 2014-09-30 17:31:04 +00:00
blkif.h
evtchn.h Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
features.c Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
features.h
gnttab.c xen: unify gnttab initialization for PVHVM and PVH 2014-06-16 08:48:42 +00:00
gnttab.h xen: unify gnttab initialization for PVHVM and PVH 2014-06-16 08:48:42 +00:00
hvm.h Merge Xen PVHVM support into the GENERIC kernel config for both 2013-09-20 22:59:22 +00:00
hypervisor.h
xen_intr.h xen: allow to register event channels without handlers 2014-10-22 16:51:52 +00:00
xen_msi.h msi: add Xen MSI implementation 2014-09-30 16:46:45 +00:00
xen_pv.h xen: add missing files 2014-06-16 08:54:04 +00:00
xen-os.h Make this compile with gcc. 2014-04-05 22:43:18 +00:00