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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 16:22:31 +00:00
/*
* 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
Enforce a standard header file guard symbol name Require that all headers are guarded by a symbol named LIBVIRT_$FILENAME where $FILENAME is the uppercased filename, with all characters outside a-z changed into '_'. Note we do not use a leading __ because that is technically a namespace reserved for the toolchain. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-12-13 14:53:50 +00:00
#ifndef LIBVIRT_QEMU_EXTDEVICE_H
# define LIBVIRT_QEMU_EXTDEVICE_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 16:22:31 +00:00
# include "qemu_conf.h"
# include "qemu_domain.h"
int qemuExtDeviceLogCommand(qemuDomainLogContextPtr logCtxt,
virCommandPtr cmd,
const char *info)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
ATTRIBUTE_RETURN_CHECK;
int qemuExtDevicesPrepareHost(virQEMUDriverPtr driver,
virDomainDefPtr def)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
ATTRIBUTE_RETURN_CHECK;
void qemuExtDevicesCleanupHost(virQEMUDriverPtr driver,
virDomainDefPtr def)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int qemuExtDevicesStart(virQEMUDriverPtr driver,
qemu_tpm: Pass virDomainObjPtr instead of virDomainDefPtr The TPM code currently accepts pointer to a domain definition. This is okay for now, but in near future the security driver APIs it calls will require domain object. Therefore, change the TPM code to accept the domain object pointer. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
2018-11-13 14:14:43 +00:00
virDomainObjPtr 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 16:22:31 +00:00
qemuDomainLogContextPtr logCtxt)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
ATTRIBUTE_RETURN_CHECK;
void qemuExtDevicesStop(virQEMUDriverPtr driver,
qemu_tpm: Pass virDomainObjPtr instead of virDomainDefPtr The TPM code currently accepts pointer to a domain definition. This is okay for now, but in near future the security driver APIs it calls will require domain object. Therefore, change the TPM code to accept the domain object pointer. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
2018-11-13 14:14:43 +00:00
virDomainObjPtr 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 16:22:31 +00:00
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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 19:06:55 +00:00
bool qemuExtDevicesHasDevice(virDomainDefPtr def);
int qemuExtDevicesSetupCgroup(virQEMUDriverPtr driver,
virDomainDefPtr def,
virCgroupPtr cgroup);
Enforce a standard header file guard symbol name Require that all headers are guarded by a symbol named LIBVIRT_$FILENAME where $FILENAME is the uppercased filename, with all characters outside a-z changed into '_'. Note we do not use a leading __ because that is technically a namespace reserved for the toolchain. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-12-13 14:53:50 +00:00
#endif /* LIBVIRT_QEMU_EXTDEVICE_H */
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