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libvirt/src/qemu/qemu_extdevice.h

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qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
/*
* qemu_extdevice.h: QEMU external devices support
*
* Copyright (C) 2018 IBM Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
Fix many mistakes & inconsistencies in header file layout This introduces a syntax-check script that validates header files use a common layout: /* ...copyright header... */ <one blank line> #ifndef SYMBOL # define SYMBOL ....content.... #endif /* SYMBOL */ For any file ending priv.h, before the #ifndef, we will require a guard to prevent bogus imports: #ifndef SYMBOL_ALLOW # error .... #endif /* SYMBOL_ALLOW */ <one blank line> The many mistakes this script identifies are then fixed. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-12-13 13:32:06 +00:00
src/qemu: use #pragma once in headers Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Signed-off-by: Ján Tomko <jtomko@redhat.com>
2019-06-18 11:12:37 -05:00
#pragma once
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
src/qemu: use #pragma once in headers Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Signed-off-by: Ján Tomko <jtomko@redhat.com>
2019-06-18 11:12:37 -05:00
#include "qemu_conf.h"
#include "qemu_domain.h"
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
int qemuExtDeviceLogCommand(virQEMUDriver *driver,
virDomainObj *vm,
virCommand *cmd,
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
const char *info)
qemu: replace logCtxt with qemuDomainLogAppendMessage() Once QEMU is started, the qemuDomainLogContext is owned by it, and can no longer be used from libvirt. Instead, use qemuDomainLogAppendMessage() which will redirect the log. This is not strictly necessary for swtpm, but the following patches are going to reuse qemuExtDeviceLogCommand(). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-08-08 18:54:55 +04:00
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4)
Use G_GNUC_WARN_UNUSED_RESULT instead of ATTRIBUTE_RETURN_CHECK Introduced in GLib 2.10. Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-10-14 14:25:14 +02:00
G_GNUC_WARN_UNUSED_RESULT;
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
qemu_extdevice: Expose qemuExtDevicesInitPaths() This function is going to be called outside of qemu_extdevice.c. Expose it to the rest of the driver. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-12-05 13:08:25 +01:00
int
qemuExtDevicesInitPaths(virQEMUDriver *driver,
virDomainDef *def)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
int qemuExtDevicesPrepareDomain(virQEMUDriver *driver,
virDomainObj *vm)
qemu: prepare domain for vhost-user GPU Call qemuExtVhostUserGPUPrepareDomain() to fill the domain with the location of the vhost-user binary to start. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Cole Robinson <crobinso@redhat.com>
2019-09-23 14:44:40 +04:00
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
Use G_GNUC_WARN_UNUSED_RESULT instead of ATTRIBUTE_RETURN_CHECK Introduced in GLib 2.10. Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-10-14 14:25:14 +02:00
G_GNUC_WARN_UNUSED_RESULT;
qemu: prepare domain for vhost-user GPU Call qemuExtVhostUserGPUPrepareDomain() to fill the domain with the location of the vhost-user binary to start. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Cole Robinson <crobinso@redhat.com>
2019-09-23 14:44:40 +04:00
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
int qemuExtDevicesPrepareHost(virQEMUDriver *driver,
virDomainObj *vm)
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
Use G_GNUC_WARN_UNUSED_RESULT instead of ATTRIBUTE_RETURN_CHECK Introduced in GLib 2.10. Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-10-14 14:25:14 +02:00
G_GNUC_WARN_UNUSED_RESULT;
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
void qemuExtDevicesCleanupHost(virQEMUDriver *driver,
qemu: Add UNDEFINE_TPM and UNDEFINE_KEEP_TPM flags Add UNDEFINE_TPM and UNDEFINE_KEEP_TPM flags to qemuDomainUndefineFlags() API and --tpm and --keep-tpm to 'virsh undefine'. Pass the virDomainUndefineFlagsValues via qemuDomainRemoveInactive() from qemuDomainUndefineFlags() all the way down to qemuTPMEmulatorCleanupHost() and delete TPM storage there considering that the UNDEFINE_TPM flag has priority over the persistent_state attribute from the domain XML. Pass 0 in all other API call sites to qemuDomainRemoveInactive() for now. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-10-04 09:38:13 -04:00
virDomainDef *def,
qemu: tpm: Never remove state on outgoing migration and shared storage Never remove the TPM state on outgoing migration if the storage setup has shared storage for the TPM state files. Also, do not do the security cleanup on outgoing migration if shared storage is detected. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-10-24 06:28:48 -04:00
virDomainUndefineFlagsValues flags,
bool outgoingMigration)
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
int qemuExtDevicesStart(virQEMUDriver *driver,
virDomainObj *vm,
tpm: Run swtpm_setup with less parameters on incoming migration In case of an incoming migration we do not need to run swtpm_setup with all the parameters but only want to get the benefit of it creating a TPM state file for us that we can then label with an SELinux label. The actual state will be overwritten by the in- coming state. So we have to pass an indicator for incomingMigration all the way to the command line parameter generation for swtpm_setup. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-07-26 16:41:10 -04:00
bool incomingMigration)
qemu: replace logCtxt with qemuDomainLogAppendMessage() Once QEMU is started, the qemuDomainLogContext is owned by it, and can no longer be used from libvirt. Instead, use qemuDomainLogAppendMessage() which will redirect the log. This is not strictly necessary for swtpm, but the following patches are going to reuse qemuExtDeviceLogCommand(). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-08-08 18:54:55 +04:00
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
Use G_GNUC_WARN_UNUSED_RESULT instead of ATTRIBUTE_RETURN_CHECK Introduced in GLib 2.10. Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-10-14 14:25:14 +02:00
G_GNUC_WARN_UNUSED_RESULT;
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
void qemuExtDevicesStop(virQEMUDriver *driver,
qemu: tpm: Never remove state on outgoing migration and shared storage Never remove the TPM state on outgoing migration if the storage setup has shared storage for the TPM state files. Also, do not do the security cleanup on outgoing migration if shared storage is detected. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-10-24 06:28:48 -04:00
virDomainObj *vm,
bool outgoingMigration)
qemu: Extend QEMU with external TPM support Implement functions for managing the storage of the external swtpm as well as starting and stopping it. Also implement functions to use swtpm_setup, which simulates the manufacturing of a TPM, which includes creation of certificates for the device. Further, the external TPM needs storage on the host that we need to set up before it can be run. We can clean up the host once the domain is undefined. This patch also implements a small layer for external device support that calls into the TPM device layer if a domain has an attached TPM. This is the layer we will wire up later on. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2017-04-04 12:22:31 -04:00
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
bool qemuExtDevicesHasDevice(virDomainDef *def);
qemu: Add swtpm to emulator cgroup Add the external swtpm to the emulator cgroup so that upper limits of CPU usage can be enforced on the emulated TPM. To enable this we need to have the swtpm write its process id (pid) into a file. We then read it from the file to configure the emulator cgroup. The PID file is created in /var/run/libvirt/qemu/swtpm: [root@localhost swtpm]# ls -lZ /var/run/libvirt/qemu/swtpm/ total 4 -rw-r--r--. 1 tss tss system_u:object_r:qemu_var_run_t:s0 5 Apr 10 12:26 1-testvm-swtpm.pid srw-rw----. 1 qemu qemu system_u:object_r:svirt_image_t:s0:c597,c632 0 Apr 10 12:26 1-testvm-swtpm.sock The swtpm command line now looks as follows: root@localhost testvm]# ps auxZ | grep swtpm | grep socket | grep -v grep system_u:system_r:virtd_t:s0:c597,c632 tss 18697 0.0 0.0 28172 3892 ? Ss 16:46 0:00 /usr/bin/swtpm socket --daemon --ctrl type=unixio,path=/var/run/libvirt/qemu/swtpm/1-testvm-swtpm.sock,mode=0600 --tpmstate dir=/var/lib/libvirt/swtpm/485d0004-a48f-436a-8457-8a3b73e28568/tpm1.2/ --log file=/var/log/swtpm/libvirt/qemu/testvm-swtpm.log --pid file=/var/run/libvirt/qemu/swtpm/1-testvm-swtpm.pid Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2018-04-05 15:06:55 -04:00
lib: Drop internal virXXXPtr typedefs Historically, we declared pointer type to our types: typedef struct _virXXX virXXX; typedef virXXX *virXXXPtr; But usefulness of such declaration is questionable, at best. Unfortunately, we can't drop every such declaration - we have to carry some over, because they are part of public API (e.g. virDomainPtr). But for internal types - we can do drop them and use what every other C project uses 'virXXX *'. This change was generated by a very ugly shell script that generated sed script which was then called over each file in the repository. For the shell script refer to the cover letter: https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-03-11 08:16:13 +01:00
int qemuExtDevicesSetupCgroup(virQEMUDriver *driver,
virDomainObj *vm,
virCgroup *cgroup);
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