mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-19 05:37:54 +00:00
106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/*
|
|
* \brief VM-session interface
|
|
* \author Stefan Kalkowski
|
|
* \author Alexander Böttcher
|
|
* \author Christian Helmuth
|
|
* \date 2012-10-02
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2012-2021 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU Affero General Public License version 3.
|
|
*/
|
|
|
|
#ifndef _INCLUDE__VM_SESSION__VM_SESSION_H_
|
|
#define _INCLUDE__VM_SESSION__VM_SESSION_H_
|
|
|
|
/* Genode includes */
|
|
#include <base/rpc_args.h>
|
|
#include <base/signal.h>
|
|
#include <base/ram_allocator.h>
|
|
#include <cpu_session/cpu_session.h>
|
|
#include <session/session.h>
|
|
|
|
namespace Genode { struct Vm_session; }
|
|
|
|
struct Genode::Vm_session : Session
|
|
{
|
|
static const char *service_name() { return "VM"; }
|
|
|
|
struct Attach_attr
|
|
{
|
|
addr_t offset;
|
|
addr_t size;
|
|
bool executable;
|
|
bool writeable;
|
|
};
|
|
|
|
enum { CAP_QUOTA = 10 };
|
|
|
|
class Invalid_dataspace : Exception { };
|
|
class Region_conflict : Exception { };
|
|
|
|
/**
|
|
* Attach dataspace to the guest-physical memory address space
|
|
*
|
|
* \param ds dataspace to be attached
|
|
* \param vm_addr address in guest-physical memory address space
|
|
*/
|
|
virtual void attach(Dataspace_capability ds, addr_t, Attach_attr) = 0;
|
|
|
|
/**
|
|
* Invalidate region of the guest-physical memory address space
|
|
*
|
|
* \param vm_addr address in guest-physical memory address space
|
|
* \param size size of the region to invalidate
|
|
*/
|
|
virtual void detach(addr_t vm_addr, size_t size) = 0;
|
|
|
|
/**
|
|
* Attach cpu-local interrupt-controller's interface to
|
|
* guest-physical memory address space.
|
|
*
|
|
* \param vm_addr address in guest-physical memory address space
|
|
*
|
|
* Note: this is currently only support for ARM interrupt-controller
|
|
* hardware virtualization
|
|
*/
|
|
virtual void attach_pic(addr_t vm_addr) = 0;
|
|
|
|
/*****************************************
|
|
** Access to kernel-specific interface **
|
|
*****************************************/
|
|
|
|
/**
|
|
* Common base class of kernel-specific CPU interfaces
|
|
*/
|
|
struct Native_vcpu;
|
|
|
|
/*********************
|
|
** RPC declaration **
|
|
*********************/
|
|
|
|
GENODE_RPC_THROW(Rpc_attach, void, attach,
|
|
GENODE_TYPE_LIST(Out_of_ram, Out_of_caps, Region_conflict,
|
|
Invalid_dataspace),
|
|
Dataspace_capability, addr_t, Attach_attr);
|
|
GENODE_RPC(Rpc_detach, void, detach, addr_t, size_t);
|
|
GENODE_RPC(Rpc_attach_pic, void, attach_pic, addr_t);
|
|
|
|
/**
|
|
* Create a new virtual CPU in the VM
|
|
*
|
|
* The vCPU inherits the affinity location (i.e., CPU) from the handler
|
|
* thread passed as parameter.
|
|
*/
|
|
GENODE_RPC_THROW(Rpc_create_vcpu, Capability<Native_vcpu>, create_vcpu,
|
|
GENODE_TYPE_LIST(Out_of_ram, Out_of_caps),
|
|
Thread_capability);
|
|
|
|
GENODE_RPC_INTERFACE(Rpc_attach, Rpc_detach, Rpc_attach_pic, Rpc_create_vcpu);
|
|
};
|
|
|
|
#endif /* _INCLUDE__VM_SESSION__VM_SESSION_H_ */
|