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* trace-events: Shorten file names in commentsMarkus Armbruster2019-03-221-2/+2
| | | | | | | | | | | | | | | We spell out sub/dir/ in sub/dir/trace-events' comments pointing to source files. That's because when trace-events got split up, the comments were moved verbatim. Delete the sub/dir/ part from these comments. Gets rid of several misspellings. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190314180929.27722-3-armbru@redhat.com Message-Id: <20190314180929.27722-3-armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* sev/i386: finalize the SEV guest launch flowBrijesh Singh2018-03-131-0/+1
| | | | | | | | | | | SEV launch flow requires us to issue LAUNCH_FINISH command before guest is ready to run. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* sev/i386: add support to LAUNCH_MEASURE commandBrijesh Singh2018-03-131-0/+1
| | | | | | | | | | | | | | | | During machine creation we encrypted the guest bios image, the LAUNCH_MEASURE command can be used to retrieve the measurement of the encrypted memory region. This measurement is a signature of the memory contents that can be sent to the guest owner as an attestation that the memory was encrypted correctly by the firmware. VM management tools like libvirt can query the measurement using query-sev-launch-measure QMP command. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* sev/i386: add command to encrypt guest memory regionBrijesh Singh2018-03-131-0/+1
| | | | | | | | | | | The KVM_SEV_LAUNCH_UPDATE_DATA command is used to encrypt a guest memory region using the VM Encryption Key created using LAUNCH_START. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* sev/i386: add command to create launch memory encryption contextBrijesh Singh2018-03-131-0/+2
| | | | | | | | | | | | The KVM_SEV_LAUNCH_START command creates a new VM encryption key (VEK). The encryption key created with the command will be used for encrypting the bootstrap images (such as guest bios). Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* sev/i386: register the guest memory range which may contain encrypted dataBrijesh Singh2018-03-131-0/+2
| | | | | | | | | | | | | | | | | | When SEV is enabled, the hardware encryption engine uses a tweak such that the two identical plaintext at different location will have a different ciphertexts. So swapping or moving a ciphertexts of two guest pages will not result in plaintexts being swapped. Hence relocating a physical backing pages of the SEV guest will require some additional steps in KVM driver. The KVM_MEMORY_ENCRYPT_{UN,}REG_REGION ioctl can be used to register/unregister the guest memory region which may contain the encrypted data. KVM driver will internally handle the relocating physical backing pages of registered memory regions. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* sev/i386: add command to initialize the memory encryption contextBrijesh Singh2018-03-131-0/+3
| | | | | | | | | | | | | | When memory encryption is enabled, KVM_SEV_INIT command is used to initialize the platform. The command loads the SEV related persistent data from non-volatile storage and initializes the platform context. This command should be first issued before invoking any other guest commands provided by the SEV firmware. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* docs: fix broken paths to docs/devel/tracing.txtPhilippe Mathieu-Daudé2017-07-311-1/+1
| | | | | | | | | With the move of some docs/ to docs/devel/ on ac06724a71, no references were updated. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* Move target-* CPU file into a target/ folderThomas Huth2016-12-201-0/+7
We've currently got 18 architectures in QEMU, and thus 18 target-xxx folders in the root folder of the QEMU source tree. More architectures (e.g. RISC-V, AVR) are likely to be included soon, too, so the main folder of the QEMU sources slowly gets quite overcrowded with the target-xxx folders. To disburden the main folder a little bit, let's move the target-xxx folders into a dedicated target/ folder, so that target-xxx/ simply becomes target/xxx/ instead. Acked-by: Laurent Vivier <laurent@vivier.eu> [m68k part] Acked-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> [tricore part] Acked-by: Michael Walle <michael@walle.cc> [lm32 part] Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x part] Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> [s390x part] Acked-by: Eduardo Habkost <ehabkost@redhat.com> [i386 part] Acked-by: Artyom Tarasenko <atar4qemu@gmail.com> [sparc part] Acked-by: Richard Henderson <rth@twiddle.net> [alpha part] Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa part] Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [ppc part] Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> [cris&microblaze part] Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> [unicore32 part] Signed-off-by: Thomas Huth <thuth@redhat.com>