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b2e43609fd
Unix Socket backend is only supported for serial port in cloud-hypervisor. Add relevant checks in chValidateDomainDeviceDef. Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/*
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* Copyright Microsoft Corp. 2023
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*
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* ch_capabilities.h: CH capabilities
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "ch_capabilities.h"
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static void
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virCHCapsSet(virBitmap *chCaps,
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virCHCapsFlags flag)
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{
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ignore_value(virBitmapSetBit(chCaps, flag));
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}
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/**
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* virCHCapsInitCHVersionCaps:
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*
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* Set all CH capabilities based on version of CH.
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*/
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virBitmap *
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virCHCapsInitCHVersionCaps(int version)
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{
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g_autoptr(virBitmap) chCaps = NULL;
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chCaps = virBitmapNew(CH_CAPS_LAST);
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/* Version 28 deprecated kernel API:
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* https://github.com/cloud-hypervisor/cloud-hypervisor/releases/tag/v28.0
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*/
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if (version >= 28000000)
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virCHCapsSet(chCaps, CH_KERNEL_API_DEPRCATED);
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/* Starting Version 18, serial and console can be used in parallel */
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if (version >= 18000000)
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virCHCapsSet(chCaps, CH_SERIAL_CONSOLE_IN_PARALLEL);
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/* Starting Version 22, add-net api can accept multiple FDs in the request
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* This is required to be able to configure queues for virtio-net devices
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* from libvirt.
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* This capability will be used to gate networking support for ch guests.
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* https://github.com/cloud-hypervisor/cloud-hypervisor/releases/tag/v22.0
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*/
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if (version >= 22000000)
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virCHCapsSet(chCaps, CH_MULTIFD_IN_ADDNET);
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/* Starting v36, Cloud-Hypervisor accepts Unix Socket as a backend for
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* guest's serial port.
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* https://github.com/cloud-hypervisor/cloud-hypervisor/releases/tag/v36.0 */
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if (version >= 36000000)
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virCHCapsSet(chCaps, CH_SOCKET_BACKEND_SERIAL_PORT);
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return g_steal_pointer(&chCaps);
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}
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