diff options
Diffstat (limited to 'host/libs/vm_manager/qemu_manager.cpp')
| -rw-r--r-- | host/libs/vm_manager/qemu_manager.cpp | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/host/libs/vm_manager/qemu_manager.cpp b/host/libs/vm_manager/qemu_manager.cpp deleted file mode 100644 index 45e3003a..00000000 --- a/host/libs/vm_manager/qemu_manager.cpp +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Copyright (C) 2018 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "host/libs/vm_manager/qemu_manager.h" - -#include <string.h> -#include <sys/socket.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/un.h> -#include <sys/wait.h> -#include <unistd.h> - -#include <cstdlib> -#include <sstream> -#include <string> -#include <thread> -#include <vector> - -#include <android-base/strings.h> -#include <glog/logging.h> - -#include "common/libs/fs/shared_select.h" -#include "common/libs/utils/files.h" -#include "common/libs/utils/subprocess.h" -#include "common/libs/utils/users.h" -#include "host/libs/config/cuttlefish_config.h" - -namespace vm_manager { - -namespace { - -std::string GetMonitorPath(const vsoc::CuttlefishConfig* config) { - return config->PerInstanceInternalPath("qemu_monitor.sock"); -} - -void LogAndSetEnv(const char* key, const std::string& value) { - setenv(key, value.c_str(), 1); - LOG(INFO) << key << "=" << value; -} - -std::string JoinString(const std::vector<std::string>& args, - const std::string& delim) { - bool first = true; - std::stringstream output; - for (const auto& arg : args) { - if (first) { - first = false; - } else { - output << delim; - } - output << arg; - } - return output.str(); -} - -bool Stop() { - auto config = vsoc::CuttlefishConfig::Get(); - auto monitor_path = GetMonitorPath(config); - auto monitor_sock = cvd::SharedFD::SocketLocalClient( - monitor_path.c_str(), false, SOCK_STREAM); - - if (!monitor_sock->IsOpen()) { - LOG(ERROR) << "The connection to qemu is closed, is it still running?"; - return false; - } - char msg[] = "{\"execute\":\"qmp_capabilities\"}{\"execute\":\"quit\"}"; - ssize_t len = sizeof(msg) - 1; - while (len > 0) { - int tmp = monitor_sock->Write(msg, len); - if (tmp < 0) { - LOG(ERROR) << "Error writing to socket: " << monitor_sock->StrError(); - return false; - } - len -= tmp; - } - // Log the reply - char buff[1000]; - while ((len = monitor_sock->Read(buff, sizeof(buff) - 1)) > 0) { - buff[len] = '\0'; - LOG(INFO) << "From qemu monitor: " << buff; - } - - return true; -} - -} // namespace - -const std::string QemuManager::name() { return "qemu_cli"; } - -std::vector<std::string> QemuManager::ConfigureGpu(const std::string& gpu_mode) { - if (gpu_mode != vsoc::kGpuModeGuestSwiftshader) { - return {}; - } - // Override the default HAL search paths in all cases. We do this because - // the HAL search path allows for fallbacks, and fallbacks in conjunction - // with properities lead to non-deterministic behavior while loading the - // HALs. - return { - "androidboot.hardware.gralloc=cutf_ashmem", - "androidboot.hardware.hwcomposer=cutf_cvm_ashmem", - "androidboot.hardware.egl=swiftshader", - "androidboot.hardware.vulkan=pastel", - }; -} - -std::vector<std::string> QemuManager::ConfigureBootDevices() { - // PCI domain 0, bus 0, device 3, function 0 - // This is controlled with 'addr=0x3' in cf_qemu.sh - return { "androidboot.boot_devices=pci0000:00/0000:00:03.0" }; -} - -QemuManager::QemuManager(const vsoc::CuttlefishConfig* config) - : VmManager(config) {} - -std::vector<cvd::Command> QemuManager::StartCommands() { - // Set the config values in the environment - LogAndSetEnv("qemu_binary", config_->qemu_binary()); - LogAndSetEnv("instance_name", config_->instance_name()); - LogAndSetEnv("memory_mb", std::to_string(config_->memory_mb())); - LogAndSetEnv("cpus", std::to_string(config_->cpus())); - LogAndSetEnv("uuid", config_->uuid()); - LogAndSetEnv("monitor_path", GetMonitorPath(config_)); - LogAndSetEnv("kernel_image_path", config_->GetKernelImageToUse()); - LogAndSetEnv("gdb_flag", config_->gdb_flag()); - LogAndSetEnv("ramdisk_image_path", config_->final_ramdisk_path()); - LogAndSetEnv("kernel_cmdline", kernel_cmdline_); - LogAndSetEnv("virtual_disk_paths", JoinString(config_->virtual_disk_paths(), - ";")); - LogAndSetEnv("wifi_tap_name", config_->wifi_tap_name()); - LogAndSetEnv("mobile_tap_name", config_->mobile_tap_name()); - LogAndSetEnv("kernel_log_pipe_name", - config_->kernel_log_pipe_name()); - LogAndSetEnv("console_path", config_->console_path()); - LogAndSetEnv("logcat_path", config_->logcat_path()); - LogAndSetEnv("usb_v1_socket_name", config_->usb_v1_socket_name()); - LogAndSetEnv("vsock_guest_cid", std::to_string(config_->vsock_guest_cid())); - LogAndSetEnv("logcat_mode", config_->logcat_mode()); - LogAndSetEnv("use_bootloader", config_->use_bootloader() ? "true" : "false"); - LogAndSetEnv("bootloader", config_->bootloader()); - - cvd::Command qemu_cmd(vsoc::DefaultHostArtifactsPath("bin/cf_qemu.sh"), - [](cvd::Subprocess* proc) { - auto stopped = Stop(); - if (stopped) { - return true; - } - LOG(WARNING) << "Failed to stop VMM nicely, " - << "attempting to KILL"; - return KillSubprocess(proc); - }); - std::vector<cvd::Command> ret; - ret.push_back(std::move(qemu_cmd)); - return ret; -} - -} // namespace vm_manager |