Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* Nitro Enclave Vsock Bus
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef HW_NITRO_VSOCK_BUS_H
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#define HW_NITRO_VSOCK_BUS_H
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#include "hw/core/qdev.h"
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#include "hw/core/sysbus.h"
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#include "qom/object.h"
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#define TYPE_NITRO_VSOCK_BUS "nitro-vsock-bus"
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OBJECT_DECLARE_SIMPLE_TYPE(NitroVsockBus, NITRO_VSOCK_BUS)
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#define TYPE_NITRO_VSOCK_BRIDGE "nitro-vsock-bridge"
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OBJECT_DECLARE_SIMPLE_TYPE(NitroVsockBridge, NITRO_VSOCK_BRIDGE)
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#define TYPE_NITRO_VSOCK_DEVICE "nitro-vsock-device"
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OBJECT_DECLARE_TYPE(NitroVsockDevice, NitroVsockDeviceClass,
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NITRO_VSOCK_DEVICE)
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struct NitroVsockBus {
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BusState parent_obj;
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};
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struct NitroVsockBridge {
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SysBusDevice parent_obj;
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NitroVsockBus bus;
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uint32_t enclave_cid;
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};
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struct NitroVsockDevice {
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DeviceState parent_obj;
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};
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struct NitroVsockDeviceClass {
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DeviceClass parent_class;
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/*
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* Called after the enclave has been started and the CID is known.
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* Devices use this to establish vsock connections to the enclave.
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*/
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void (*enclave_started)(NitroVsockDevice *dev, uint32_t enclave_cid,
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Error **errp);
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};
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/*
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* Machine helper to create the Nitro vsock bridge sysbus device.
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*/
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NitroVsockBridge *nitro_vsock_bridge_create(void);
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/*
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* Find the Nitro vsock bridge on the sysbus.
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*/
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static inline NitroVsockBridge *nitro_vsock_bridge_find(void)
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{
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return NITRO_VSOCK_BRIDGE(
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object_resolve_path_type("", TYPE_NITRO_VSOCK_BRIDGE, NULL));
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}
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/*
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* Notify the bridge that the enclave has started. Dispatches
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* enclave_started() to all devices on the bus.
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*/
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void nitro_vsock_bridge_start_enclave(NitroVsockBridge *bridge,
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uint32_t enclave_cid, Error **errp);
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#endif /* HW_NITRO_VSOCK_BUS_H */
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