* SGX implementation for x86

* Miscellaneous bugfixes
 * Fix dependencies from ROMs to qtests
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* SGX implementation for x86
* Miscellaneous bugfixes
* Fix dependencies from ROMs to qtests

# gpg: Signature made Thu 30 Sep 2021 14:30:35 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (33 commits)
  meson_options.txt: Switch the default value for the vnc option to 'auto'
  build-sys: add HAVE_IPPROTO_MPTCP
  memory: Add tracepoint for dirty sync
  memory: Name all the memory listeners
  target/i386: Fix memory leak in sev_read_file_base64()
  tests: qtest: bios-tables-test depends on the unpacked edk2 ROMs
  meson: unpack edk2 firmware even if --disable-blobs
  target/i386: Add the query-sgx-capabilities QMP command
  target/i386: Add HMP and QMP interfaces for SGX
  docs/system: Add SGX documentation to the system manual
  sgx-epc: Add the fill_device_info() callback support
  i440fx: Add support for SGX EPC
  q35: Add support for SGX EPC
  i386: acpi: Add SGX EPC entry to ACPI tables
  i386/pc: Add e820 entry for SGX EPC section(s)
  hw/i386/pc: Account for SGX EPC sections when calculating device memory
  hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly
  Adjust min CPUID level to 0x12 when SGX is enabled
  i386: Propagate SGX CPUID sub-leafs to KVM
  i386: kvm: Add support for exposing PROVISIONKEY to guest
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

qapi/machine.json

@@ -1194,13 +1194,36 @@
           }
 }
 
+##
+# @SgxEPCDeviceInfo:
+#
+# Sgx EPC state information
+#
+# @id: device's ID
+#
+# @memaddr: physical address in memory, where device is mapped
+#
+# @size: size of memory that the device provides
+#
+# @memdev: memory backend linked with device
+#
+# Since: 6.2
+##
+{ 'struct': 'SgxEPCDeviceInfo',
+  'data': { '*id': 'str',
+            'memaddr': 'size',
+            'size': 'size',
+            'memdev': 'str'
+          }
+}
+
 ##
 # @MemoryDeviceInfoKind:
 #
 # Since: 2.1
 ##
 { 'enum': 'MemoryDeviceInfoKind',
-  'data': [ 'dimm', 'nvdimm', 'virtio-pmem', 'virtio-mem' ] }
+  'data': [ 'dimm', 'nvdimm', 'virtio-pmem', 'virtio-mem', 'sgx-epc' ] }
 
 ##
 # @PCDIMMDeviceInfoWrapper:
@@ -1226,13 +1249,21 @@
 { 'struct': 'VirtioMEMDeviceInfoWrapper',
   'data': { 'data': 'VirtioMEMDeviceInfo' } }
 
+##
+# @SgxEPCDeviceInfoWrapper:
+#
+# Since: 6.2
+##
+{ 'struct': 'SgxEPCDeviceInfoWrapper',
+  'data': { 'data': 'SgxEPCDeviceInfo' } }
+
 ##
 # @MemoryDeviceInfo:
 #
 # Union containing information about a memory device
 #
 # nvdimm is included since 2.12. virtio-pmem is included since 4.1.
-# virtio-mem is included since 5.1.
+# virtio-mem is included since 5.1. sgx-epc is included since 6.2.
 #
 # Since: 2.1
 ##
@@ -1242,10 +1273,36 @@
   'data': { 'dimm': 'PCDIMMDeviceInfoWrapper',
             'nvdimm': 'PCDIMMDeviceInfoWrapper',
             'virtio-pmem': 'VirtioPMEMDeviceInfoWrapper',
-            'virtio-mem': 'VirtioMEMDeviceInfoWrapper'
+            'virtio-mem': 'VirtioMEMDeviceInfoWrapper',
+            'sgx-epc': 'SgxEPCDeviceInfoWrapper'
           }
 }
 
+##
+# @SgxEPC:
+#
+# Sgx EPC cmdline information
+#
+# @memdev: memory backend linked with device
+#
+# Since: 6.2
+##
+{ 'struct': 'SgxEPC',
+  'data': { 'memdev': 'str' } }
+
+##
+# @SgxEPCProperties:
+#
+# SGX properties of machine types.
+#
+# @sgx-epc: list of ids of memory-backend-epc objects.
+#
+# Since: 6.2
+##
+{ 'struct': 'SgxEPCProperties',
+  'data': { 'sgx-epc': ['SgxEPC'] }
+}
+
 ##
 # @query-memory-devices:
 #

qapi/misc-target.json

@@ -333,3 +333,64 @@
 { 'command': 'query-sev-attestation-report', 'data': { 'mnonce': 'str' },
   'returns': 'SevAttestationReport',
   'if': 'TARGET_I386' }
+
+##
+# @SGXInfo:
+#
+# Information about intel Safe Guard eXtension (SGX) support
+#
+# @sgx: true if SGX is supported
+#
+# @sgx1: true if SGX1 is supported
+#
+# @sgx2: true if SGX2 is supported
+#
+# @flc: true if FLC is supported
+#
+# @section-size: The EPC section size for guest
+#
+# Since: 6.2
+##
+{ 'struct': 'SGXInfo',
+  'data': { 'sgx': 'bool',
+            'sgx1': 'bool',
+            'sgx2': 'bool',
+            'flc': 'bool',
+            'section-size': 'uint64'},
+   'if': 'TARGET_I386' }
+
+##
+# @query-sgx:
+#
+# Returns information about SGX
+#
+# Returns: @SGXInfo
+#
+# Since: 6.2
+#
+# Example:
+#
+# -> { "execute": "query-sgx" }
+# <- { "return": { "sgx": true, "sgx1" : true, "sgx2" : true,
+#                  "flc": true, "section-size" : 0 } }
+#
+##
+{ 'command': 'query-sgx', 'returns': 'SGXInfo', 'if': 'TARGET_I386' }
+
+##
+# @query-sgx-capabilities:
+#
+# Returns information from host SGX capabilities
+#
+# Returns: @SGXInfo
+#
+# Since: 6.2
+#
+# Example:
+#
+# -> { "execute": "query-sgx-capabilities" }
+# <- { "return": { "sgx": true, "sgx1" : true, "sgx2" : true,
+#                  "flc": true, "section-size" : 0 } }
+#
+##
+{ 'command': 'query-sgx-capabilities', 'returns': 'SGXInfo', 'if': 'TARGET_I386' }

qapi/qom.json

@@ -647,6 +647,23 @@
             '*hugetlbsize': 'size',
             '*seal': 'bool' } }
 
+##
+# @MemoryBackendEpcProperties:
+#
+# Properties for memory-backend-epc objects.
+#
+# The @share boolean option is true by default with epc
+#
+# The @merge boolean option is false by default with epc
+#
+# The @dump boolean option is false by default with epc
+#
+# Since: 6.2
+##
+{ 'struct': 'MemoryBackendEpcProperties',
+  'base': 'MemoryBackendProperties',
+  'data': {} }
+
 ##
 # @PrManagerHelperProperties:
 #
@@ -797,6 +814,7 @@
     { 'name': 'memory-backend-memfd',
       'if': 'CONFIG_LINUX' },
     'memory-backend-ram',
+    'memory-backend-epc',
     'pef-guest',
     'pr-manager-helper',
     'qtest',
@@ -855,6 +873,7 @@
       'memory-backend-memfd':       { 'type': 'MemoryBackendMemfdProperties',
                                       'if': 'CONFIG_LINUX' },
       'memory-backend-ram':         'MemoryBackendProperties',
+      'memory-backend-epc':         'MemoryBackendEpcProperties',
       'pr-manager-helper':          'PrManagerHelperProperties',
       'qtest':                      'QtestProperties',
       'rng-builtin':                'RngProperties',

qapi/sockets.json

@@ -69,7 +69,7 @@
     '*ipv4': 'bool',
     '*ipv6': 'bool',
     '*keep-alive': 'bool',
-    '*mptcp': { 'type': 'bool', 'if': 'IPPROTO_MPTCP' } } }
+    '*mptcp': { 'type': 'bool', 'if': 'HAVE_IPPROTO_MPTCP' } } }
 
 ##
 # @UnixSocketAddress: