1// Copyright 2017 The Fuchsia Authors 2// 3// Use of this source code is governed by a MIT-style 4// license that can be found in the LICENSE file or at 5// https://opensource.org/licenses/MIT 6 7#include <object/guest_dispatcher.h> 8 9#include <arch/hypervisor.h> 10#include <fbl/alloc_checker.h> 11#include <object/vm_address_region_dispatcher.h> 12#include <zircon/rights.h> 13 14// static 15zx_status_t GuestDispatcher::Create(fbl::RefPtr<Dispatcher>* guest_dispatcher, 16 zx_rights_t* guest_rights, 17 fbl::RefPtr<Dispatcher>* vmar_dispatcher, 18 zx_rights_t* vmar_rights) { 19 fbl::unique_ptr<Guest> guest; 20 zx_status_t status = Guest::Create(&guest); 21 if (status != ZX_OK) { 22 return status; 23 } 24 25 fbl::AllocChecker ac; 26 auto disp = fbl::AdoptRef(new (&ac) GuestDispatcher(fbl::move(guest))); 27 if (!ac.check()) { 28 return ZX_ERR_NO_MEMORY; 29 } 30 31 status = VmAddressRegionDispatcher::Create(disp->guest()->AddressSpace()->RootVmar(), 0, 32 vmar_dispatcher, vmar_rights); 33 if (status != ZX_OK) { 34 return status; 35 } 36 37 *guest_rights = ZX_DEFAULT_GUEST_RIGHTS; 38 *guest_dispatcher = fbl::move(disp); 39 return ZX_OK; 40} 41 42GuestDispatcher::GuestDispatcher(fbl::unique_ptr<Guest> guest) 43 : guest_(fbl::move(guest)) {} 44 45GuestDispatcher::~GuestDispatcher() {} 46 47zx_status_t GuestDispatcher::SetTrap(uint32_t kind, zx_vaddr_t addr, size_t len, 48 fbl::RefPtr<PortDispatcher> port, uint64_t key) { 49 canary_.Assert(); 50 return guest_->SetTrap(kind, addr, len, fbl::move(port), key); 51} 52