119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
/*
|
|
* \brief Core-specific instance of the VM session interface
|
|
* \author Stefan Kalkowski
|
|
* \date 2012-10-08
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2012-2017 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 _CORE__VM_SESSION_COMPONENT_H_
|
|
#define _CORE__VM_SESSION_COMPONENT_H_
|
|
|
|
/* Genode includes */
|
|
#include <base/allocator.h>
|
|
#include <base/allocator_avl.h>
|
|
#include <base/session_object.h>
|
|
#include <vm_session/vm_session.h>
|
|
#include <dataspace/capability.h>
|
|
|
|
/* Core includes */
|
|
#include <object.h>
|
|
#include <region_map_component.h>
|
|
#include <translation_table.h>
|
|
#include <kernel/vm.h>
|
|
|
|
#include <trace/source_registry.h>
|
|
|
|
namespace Genode {
|
|
class Vm_session_component;
|
|
}
|
|
|
|
class Genode::Vm_session_component
|
|
:
|
|
private Ram_quota_guard,
|
|
private Cap_quota_guard,
|
|
public Rpc_object<Vm_session, Vm_session_component>,
|
|
public Region_map_detach
|
|
{
|
|
private:
|
|
|
|
typedef Allocator_avl_tpl<Rm_region> Avl_region;
|
|
|
|
/*
|
|
* Noncopyable
|
|
*/
|
|
Vm_session_component(Vm_session_component const &);
|
|
Vm_session_component &operator = (Vm_session_component const &);
|
|
|
|
struct Vcpu
|
|
{
|
|
Ram_dataspace_capability ds_cap { };
|
|
Region_map::Local_addr ds_addr { nullptr };
|
|
Kernel_object<Kernel::Vm> kobj {};
|
|
Affinity::Location location {};
|
|
} _vcpus[Board::VCPU_MAX];
|
|
|
|
Rpc_entrypoint &_ep;
|
|
Constrained_ram_allocator _constrained_md_ram_alloc;
|
|
Sliced_heap _sliced_heap;
|
|
Avl_region _map { &_sliced_heap };
|
|
Region_map &_region_map;
|
|
Board::Vm_page_table &_table;
|
|
Board::Vm_page_table_array &_table_array;
|
|
unsigned _id_alloc { 0 };
|
|
|
|
static size_t _ds_size();
|
|
bool _valid_id(Vcpu_id id) { return id.id < Board::VCPU_MAX; }
|
|
addr_t _alloc_ds();
|
|
void * _alloc_table();
|
|
void _attach(addr_t phys_addr, addr_t vm_addr, size_t size);
|
|
void _attach_vm_memory(Dataspace_component &, addr_t,
|
|
Attach_attr);
|
|
void _detach_vm_memory(addr_t, size_t);
|
|
|
|
protected:
|
|
|
|
Ram_quota_guard &_ram_quota_guard() { return *this; }
|
|
Cap_quota_guard &_cap_quota_guard() { return *this; }
|
|
|
|
public:
|
|
|
|
using Ram_quota_guard::upgrade;
|
|
using Cap_quota_guard::upgrade;
|
|
using Rpc_object<Vm_session, Vm_session_component>::cap;
|
|
|
|
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
|
|
Diag, Ram_allocator &ram, Region_map &, unsigned,
|
|
Trace::Source_registry &);
|
|
~Vm_session_component();
|
|
|
|
/*********************************
|
|
** Region_map_detach interface **
|
|
*********************************/
|
|
|
|
void detach(Region_map::Local_addr) override;
|
|
void unmap_region(addr_t, size_t) override;
|
|
|
|
/**************************
|
|
** Vm session interface **
|
|
**************************/
|
|
|
|
void attach(Dataspace_capability, addr_t, Attach_attr) override;
|
|
void attach_pic(addr_t) override;
|
|
void detach(addr_t, size_t) override;
|
|
|
|
Dataspace_capability _cpu_state(Vcpu_id);
|
|
Vcpu_id _create_vcpu(Thread_capability);
|
|
void _exception_handler(Signal_context_capability,
|
|
Vcpu_id);
|
|
void _run(Vcpu_id);
|
|
void _pause(Vcpu_id);
|
|
};
|
|
|
|
#endif /* _CORE__VM_SESSION_COMPONENT_H_ */
|