70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/*
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* \brief Vm root interface
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* \author Stefan Kalkowski
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* \date 2012-10-08
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*/
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/*
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* Copyright (C) 2012-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _CORE__INCLUDE__VM_ROOT_H_
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#define _CORE__INCLUDE__VM_ROOT_H_
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/* Genode includes */
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#include <root/component.h>
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#include <base/heap.h>
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/* core includes */
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#include <vm_session_component.h>
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namespace Genode { class Vm_root; }
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class Genode::Vm_root : public Root_component<Vm_session_component>
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{
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private:
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Ram_allocator &_ram_allocator;
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Region_map &_local_rm;
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protected:
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Vm_session_component *_create_session(const char *args) override
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{
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return new (md_alloc())
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Vm_session_component(*ep(),
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session_resources_from_args(args),
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session_label_from_args(args),
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session_diag_from_args(args),
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_ram_allocator, _local_rm);
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}
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void _upgrade_session(Vm_session_component *vm, const char *args) override
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{
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vm->upgrade(ram_quota_from_args(args));
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vm->upgrade(cap_quota_from_args(args));
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}
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public:
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/**
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* Constructor
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*
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* \param session_ep entrypoint managing vm_session components
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* \param md_alloc meta-data allocator to be used by root component
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*/
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Vm_root(Rpc_entrypoint &session_ep,
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Allocator &md_alloc,
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Ram_allocator &ram_alloc,
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Region_map &local_rm)
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: Root_component<Vm_session_component>(&session_ep, &md_alloc),
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_ram_allocator(ram_alloc),
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_local_rm(local_rm)
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{ }
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};
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#endif /* _CORE__INCLUDE__VM_ROOT_H_ */
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