| // Copyright 2019 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef VM_TOOLS_CONCIERGE_ARC_VM_H_ |
| #define VM_TOOLS_CONCIERGE_ARC_VM_H_ |
| |
| #include <stdint.h> |
| #include <unistd.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <base/files/file_path.h> |
| #include <base/macros.h> |
| #include <chromeos/patchpanel/mac_address_generator.h> |
| #include <vm_concierge/proto_bindings/concierge_service.pb.h> |
| |
| #include "vm_tools/concierge/seneschal_server_proxy.h" |
| #include "vm_tools/concierge/vm_base_impl.h" |
| #include "vm_tools/concierge/vm_builder.h" |
| #include "vm_tools/concierge/vm_util.h" |
| #include "vm_tools/concierge/vsock_cid_pool.h" |
| |
| namespace vm_tools { |
| namespace concierge { |
| |
| struct ArcVmFeatures { |
| // Whether the guest kernel root file system is writable. |
| bool rootfs_writable; |
| |
| // Use development configuration directives in the started VM. |
| bool use_dev_conf; |
| }; |
| |
| // Represents a single instance of a running termina VM. |
| class ArcVm final : public VmBaseImpl { |
| public: |
| // Starts a new virtual machine. Returns nullptr if the virtual machine |
| // failed to start for any reason. |
| static std::unique_ptr<ArcVm> Create( |
| base::FilePath kernel, |
| uint32_t vsock_cid, |
| std::unique_ptr<patchpanel::Client> network_client, |
| std::unique_ptr<SeneschalServerProxy> seneschal_server_proxy, |
| base::FilePath runtime_dir, |
| ArcVmFeatures features, |
| VmBuilder vm_builder); |
| ~ArcVm() override; |
| |
| // The VM's cid. |
| uint32_t cid() const { return vsock_cid_; } |
| |
| // ArcVmFeatures settings. |
| bool rootfs_writable() const { return features_.rootfs_writable; } |
| bool use_dev_conf() const { return features_.use_dev_conf; } |
| |
| // The 9p server managed by seneschal that provides access to shared files for |
| // this VM. Returns 0 if there is no seneschal server associated with this |
| // VM. |
| uint32_t seneschal_server_handle() const { |
| return seneschal_server_proxy_ ? seneschal_server_proxy_->handle() : 0; |
| } |
| |
| // The IPv4 address of the VM in network byte order. |
| uint32_t IPv4Address() const; |
| |
| // VmInterface overrides. |
| bool Shutdown() override; |
| VmInterface::Info GetInfo() override; |
| // Currently only implemented for termina, returns "Not implemented". |
| bool GetVmEnterpriseReportingInfo( |
| GetVmEnterpriseReportingInfoResponse* response) override; |
| bool AttachUsbDevice(uint8_t bus, |
| uint8_t addr, |
| uint16_t vid, |
| uint16_t pid, |
| int fd, |
| UsbControlResponse* response) override; |
| bool DetachUsbDevice(uint8_t port, UsbControlResponse* response) override; |
| bool ListUsbDevice(std::vector<UsbDevice>* devices) override; |
| bool UsesExternalSuspendSignals() override { return true; } |
| bool SetResolvConfig( |
| const std::vector<std::string>& nameservers, |
| const std::vector<std::string>& search_domains) override { |
| return true; |
| } |
| // TODO(b/136143058): Implement SetTime calls. |
| bool SetTime(std::string* failure_reason) override { return true; } |
| void SetTremplinStarted() override { NOTREACHED(); } |
| void VmToolsStateChanged(bool running) override { NOTREACHED(); } |
| vm_tools::concierge::DiskImageStatus ResizeDisk( |
| uint64_t new_size, std::string* failure_reason) override; |
| vm_tools::concierge::DiskImageStatus GetDiskResizeStatus( |
| std::string* failure_reason) override; |
| |
| // Adjusts the amount of CPU the ARCVM processes are allowed to use. |
| static bool SetVmCpuRestriction(CpuRestrictionState cpu_restriction_state); |
| |
| private: |
| ArcVm(int32_t vsock_cid, |
| std::unique_ptr<patchpanel::Client> network_client, |
| std::unique_ptr<SeneschalServerProxy> seneschal_server_proxy, |
| base::FilePath runtime_dir, |
| ArcVmFeatures features); |
| ArcVm(const ArcVm&) = delete; |
| ArcVm& operator=(const ArcVm&) = delete; |
| |
| void HandleSuspendImminent() override; |
| void HandleSuspendDone() override; |
| |
| // Returns the path to the VM control socket. |
| std::string GetVmSocketPath() const; |
| |
| // Starts the VM with the given kernel and root file system. |
| bool Start(base::FilePath kernel, VmBuilder vm_builder); |
| |
| std::vector<patchpanel::NetworkDevice> network_devices_; |
| |
| // Proxy to the server providing shared directory access for this VM. |
| std::unique_ptr<SeneschalServerProxy> seneschal_server_proxy_; |
| |
| // Flags passed to vmc start. |
| ArcVmFeatures features_; |
| }; |
| |
| } // namespace concierge |
| } // namespace vm_tools |
| |
| #endif // VM_TOOLS_CONCIERGE_ARC_VM_H_ |