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Marc-André Lureau ec86c0f678 acpi: add ACPI memory clear interface 
The interface is described in the "TCG Platform Reset Attack
Mitigation Specification", chapter 6 "ACPI _DSM Function". According
to Laszlo, it's not so easy to implement in OVMF, he suggested to do
it in qemu instead.

See specification documentation for more details, and next commit for
memory clear on reset handling.

The underlying TCG specification is accessible from the following
page.

https://trustedcomputinggroup.org/resource/pc-client-work-group-platform-reset-attack-mitigation-specification-version-1-0/

This patch implements version 1.0.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-01-17 21:10:57 -05:00
..
config docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
devel docs/devel/build-system: fix 'softmu' typo 2018-12-18 14:57:48 +01:00
interop nbd: Document timeline of various features 2019-01-04 17:41:28 -06:00
specs acpi: add ACPI memory clear interface 2019-01-17 21:10:57 -05:00
spin docs: create config/, devel/ and spin/ subdirectories 2017-06-07 18:22:03 +02:00
amd-memory-encryption.txt target/i386: add Secure Encrypted Virtualization (SEV) object 2018-03-13 12:04:03 +01:00
block-replication.txt docs: block replication's description 2016-09-13 11:00:56 +01:00
bootindex.txt docs qemu-doc: Avoid ide-drive, it's deprecated 2017-06-04 18:42:55 +03:00
can.txt Replace '-enable-kvm' with '-accel kvm' in docs and help texts 2018-06-28 19:05:32 +02:00
ccid.txt libcacard: improve documentation 2014-06-10 07:44:01 +02:00
COLO-FT.txt COLO: Fix Colo doc secondeary should be secondary 2018-10-31 09:38:49 +00:00
colo-proxy.txt docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
cpu-hotplug.rst docs: Document vCPU hotplug procedure 2018-12-11 15:45:22 -02:00
generic-loader.txt docs/generic-loader: mention U-Boot and Intel HEX executable formats 2018-08-20 11:24:31 +01:00
igd-assign.txt vfio/pci: Add IGD documentation 2016-05-26 11:12:05 -06:00
image-fuzzer.txt docs: List all image elements currently supported by the fuzzer 2014-09-22 11:39:35 +01:00
memory-hotplug.txt docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
multi-thread-compression.txt Replace '-enable-kvm' with '-accel kvm' in docs and help texts 2018-06-28 19:05:32 +02:00
multiseat.txt docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
nvdimm.txt nvdimm: Add docs hint for Linux driver name 2018-10-29 13:35:22 +00:00
pci_expander_bridge.txt pxb: cleanup 2016-03-11 16:59:12 +02:00
pcie_pci_bridge.txt pci: removed the is_express field since a uniform interface was inserted 2018-02-08 21:06:41 +02:00
pcie.txt docs: pcie: Spell out machine type needs for PCIe features 2018-03-01 16:25:37 +02:00
pr-manager.rst scsi: add multipath support to qemu-pr-helper 2017-09-22 21:07:27 +02:00
pvrdma.txt docs: Update pvrdma device documentation 2018-12-22 11:09:57 +02:00
qcow2-cache.txt qcow2: Fix cache-clean-interval documentation 2018-10-01 19:13:55 +02:00
qdev-device-use.txt net: Remove the deprecated "vlan" parameter 2018-05-14 15:47:14 +08:00
qemu_logo.pdf docs: add qemu logo to pdf 2017-01-16 10:11:43 +01:00
qemu-block-drivers.texi docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
qemu-cpu-models.texi docs: add guidance on configuring CPU models for x86 2018-08-16 13:43:01 -03:00
qemupciserial.inf docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
rdma.txt Use HTTPS for qemu.org and other domains 2017-11-21 13:34:13 +00:00
replay.txt docs: Fix some typos (most found by codespell) 2018-09-25 17:26:18 +02:00
spice-port-fqdn.txt docs: add spice-port-fqdn.txt 2012-12-17 14:01:41 +01:00
throttle.txt docs: Fix description of the leaky bucket algorithm in throttle.txt 2016-09-13 18:12:34 +03:00
usb2.txt docs/usb2.txt: ehci has six ports 2018-08-21 10:22:03 +02:00
usb-storage.txt usb: Fix typo in documentation 2017-01-24 23:26:52 +03:00
vfio-ap.txt s390: doc: detailed specifications for AP virtualization 2018-10-12 11:32:19 +02:00
virtio-balloon-stats.txt Remove the deprecated -balloon option 2018-08-31 09:52:13 +02:00
xbzrle.txt docs/xbzrle: correction 2016-10-13 17:23:53 +02:00
xen-save-devices-state.txt Fix up dangling references to qmp-commands.* in comment and doc 2018-03-02 13:48:26 -06:00