2 * QEMU ARM Xen PVH Machine
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10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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24 #include "qemu/osdep.h"
25 #include "qemu/error-report.h"
26 #include "qapi/qapi-commands-migration.h"
27 #include "qapi/visitor.h"
28 #include "hw/boards.h"
29 #include "hw/sysbus.h"
30 #include "sysemu/block-backend.h"
31 #include "sysemu/tpm_backend.h"
32 #include "sysemu/sysemu.h"
33 #include "hw/xen/xen-hvm-common.h"
34 #include "sysemu/tpm.h"
35 #include "hw/xen/arch_hvm.h"
37 #define TYPE_XEN_ARM MACHINE_TYPE_NAME("xenpvh")
38 OBJECT_DECLARE_SIMPLE_TYPE(XenArmState
, XEN_ARM
)
40 static MemoryListener xen_memory_listener
= {
41 .region_add
= xen_region_add
,
42 .region_del
= xen_region_del
,
46 .log_global_start
= NULL
,
47 .log_global_stop
= NULL
,
58 uint64_t tpm_base_addr
;
62 void arch_handle_ioreq(XenIOState
*state
, ioreq_t
*req
)
64 hw_error("Invalid ioreq type 0x%x\n", req
->type
);
69 void arch_xen_set_memory(XenIOState
*state
, MemoryRegionSection
*section
,
74 void xen_hvm_modified_memory(ram_addr_t start
, ram_addr_t length
)
78 void qmp_xen_set_global_dirty_log(bool enable
, Error
**errp
)
83 static void xen_enable_tpm(XenArmState
*xam
)
89 TPMBackend
*be
= qemu_find_tpm_be("tpm0");
91 DPRINTF("Couldn't fine the backend for tpm0\n");
94 dev
= qdev_new(TYPE_TPM_TIS_SYSBUS
);
95 object_property_set_link(OBJECT(dev
), "tpmdev", OBJECT(be
), &errp
);
96 object_property_set_str(OBJECT(dev
), "tpmdev", be
->id
, &errp
);
97 busdev
= SYS_BUS_DEVICE(dev
);
98 sysbus_realize_and_unref(busdev
, &error_fatal
);
99 sysbus_mmio_map(busdev
, 0, xam
->cfg
.tpm_base_addr
);
101 DPRINTF("Connected tpmdev at address 0x%lx\n", xam
->cfg
.tpm_base_addr
);
105 static void xen_arm_init(MachineState
*machine
)
107 XenArmState
*xam
= XEN_ARM(machine
);
109 xam
->state
= g_new0(XenIOState
, 1);
111 xen_register_ioreq(xam
->state
, machine
->smp
.cpus
, xen_memory_listener
);
114 if (xam
->cfg
.tpm_base_addr
) {
117 DPRINTF("tpm-base-addr is not provided. TPM will not be enabled\n");
123 static void xen_arm_get_tpm_base_addr(Object
*obj
, Visitor
*v
,
124 const char *name
, void *opaque
,
127 XenArmState
*xam
= XEN_ARM(obj
);
128 uint64_t value
= xam
->cfg
.tpm_base_addr
;
130 visit_type_uint64(v
, name
, &value
, errp
);
133 static void xen_arm_set_tpm_base_addr(Object
*obj
, Visitor
*v
,
134 const char *name
, void *opaque
,
137 XenArmState
*xam
= XEN_ARM(obj
);
140 if (!visit_type_uint64(v
, name
, &value
, errp
)) {
144 xam
->cfg
.tpm_base_addr
= value
;
148 static void xen_arm_machine_class_init(ObjectClass
*oc
, void *data
)
151 MachineClass
*mc
= MACHINE_CLASS(oc
);
152 mc
->desc
= "Xen Para-virtualized PC";
153 mc
->init
= xen_arm_init
;
155 mc
->default_machine_opts
= "accel=xen";
158 object_class_property_add(oc
, "tpm-base-addr", "uint64_t",
159 xen_arm_get_tpm_base_addr
,
160 xen_arm_set_tpm_base_addr
,
162 object_class_property_set_description(oc
, "tpm-base-addr",
163 "Set Base address for TPM device.");
165 machine_class_allow_dynamic_sysbus_dev(mc
, TYPE_TPM_TIS_SYSBUS
);
169 static const TypeInfo xen_arm_machine_type
= {
170 .name
= TYPE_XEN_ARM
,
171 .parent
= TYPE_MACHINE
,
172 .class_init
= xen_arm_machine_class_init
,
173 .instance_size
= sizeof(XenArmState
),
176 static void xen_arm_machine_register_types(void)
178 type_register_static(&xen_arm_machine_type
);
181 type_init(xen_arm_machine_register_types
)