diff options
author | Brijesh Singh <brijesh.singh@amd.com> | 2018-03-08 06:48:38 -0600 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-03-13 12:04:03 +0100 |
commit | db5881949f33b76c8818010acd79d31e29473514 (patch) | |
tree | d4d7be249bc2b34701af23e63dfc14e5474350ea | |
parent | e13713db5b609d9a83c9cfc8ba389d4215d4ba29 (diff) |
machine: add memory-encryption option
When CPU supports memory encryption feature, the property can be used to
specify the encryption object to use when launching an encrypted guest.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Cc: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r-- | hw/core/machine.c | 22 | ||||
-rw-r--r-- | include/hw/boards.h | 1 | ||||
-rw-r--r-- | qemu-options.hx | 5 |
3 files changed, 27 insertions, 1 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c index 5e2bbcdace..2040177664 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -334,6 +334,22 @@ static bool machine_get_enforce_config_section(Object *obj, Error **errp) return ms->enforce_config_section; } +static char *machine_get_memory_encryption(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->memory_encryption); +} + +static void machine_set_memory_encryption(Object *obj, const char *value, + Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->memory_encryption); + ms->memory_encryption = g_strdup(value); +} + void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) { strList *item = g_new0(strList, 1); @@ -612,6 +628,12 @@ static void machine_class_init(ObjectClass *oc, void *data) &error_abort); object_class_property_set_description(oc, "enforce-config-section", "Set on to enforce configuration section migration", &error_abort); + + object_class_property_add_str(oc, "memory-encryption", + machine_get_memory_encryption, machine_set_memory_encryption, + &error_abort); + object_class_property_set_description(oc, "memory-encryption", + "Set memory encyption object to use", &error_abort); } static void machine_class_base_init(ObjectClass *oc, void *data) diff --git a/include/hw/boards.h b/include/hw/boards.h index efb0a9edfd..8ce9a7a21d 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -243,6 +243,7 @@ struct MachineState { bool suppress_vmdesc; bool enforce_config_section; bool enable_graphics; + char *memory_encryption; ram_addr_t ram_size; ram_addr_t maxram_size; diff --git a/qemu-options.hx b/qemu-options.hx index 6585058c6c..4c280142c5 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -43,7 +43,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ " suppress-vmdesc=on|off disables self-describing migration (default=off)\n" " nvdimm=on|off controls NVDIMM support (default=off)\n" " enforce-config-section=on|off enforce configuration section migration (default=off)\n" - " s390-squash-mcss=on|off (deprecated) controls support for squashing into default css (default=off)\n", + " s390-squash-mcss=on|off (deprecated) controls support for squashing into default css (default=off)\n" + " memory-encryption=@var{} memory encryption object to use (default=none)\n", QEMU_ARCH_ALL) STEXI @item -machine [type=]@var{name}[,prop=@var{value}[,...]] @@ -110,6 +111,8 @@ code to send configuration section even if the machine-type sets the @option{migration.send-configuration} property to @var{off}. NOTE: this parameter is deprecated. Please use @option{-global} @option{migration.send-configuration}=@var{on|off} instead. +@item memory-encryption=@var{} +Memory encryption object to use. The default is none. @end table ETEXI |