Merge "Delete code for legacy VR services." into main

        "libcutils",

        "libz",

        "libbase",

        "libpdx_default_transport",

        "android.hardware.atrace@1.0",

    ],

#include <android/hidl/manager/1.0/IServiceManager.h>

#include <hidl/ServiceManagement.h>

#include <pdx/default_transport/service_utility.h>

#include <utils/String8.h>

#include <utils/Timers.h>

#include <utils/Tokenizer.h>

#include <android-base/stringprintf.h>

using namespace android;

using pdx::default_transport::ServiceUtility;

using hardware::hidl_vec;

using hardware::hidl_string;

using hardware::Return;

const char* k_traceAppsNumberProperty = "debug.atrace.app_number";

const char* k_traceAppsPropertyTemplate = "debug.atrace.app_%d";

const char* k_coreServiceCategory = "core_services";

const char* k_pdxServiceCategory = "pdx";

const char* k_coreServicesProp = "ro.atrace.core.services";

const char* kVendorCategoriesPath = "/vendor/etc/atrace/atrace_categories.txt";

    { "nnapi",      "NNAPI",                    ATRACE_TAG_NNAPI, { } },

    { "rro",        "Runtime Resource Overlay", ATRACE_TAG_RRO, { } },

    { k_coreServiceCategory, "Core services", 0, { } },

    { k_pdxServiceCategory, "PDX services", 0, { } },

    { "sched",      "CPU Scheduling",   0, {

        { REQ,      "events/sched/sched_switch/enable" },

        { REQ,      "events/sched/sched_wakeup/enable" },

static const char* g_outputFile = nullptr;

/* Global state */

static bool g_tracePdx = false;

static bool g_traceAborted = false;

static bool g_categoryEnables[arraysize(k_categories)] = {};

static std::string g_traceFolder;

        return !android::base::GetProperty(k_coreServicesProp, "").empty();

    }

    if (strcmp(category.name, k_pdxServiceCategory) == 0) {

        return true;

    }

    bool ok = category.tags != 0;

    for (int i = 0; i < MAX_SYS_FILES; i++) {

        const char* path = category.sysfiles[i].path;

        if (strcmp(k_categories[i].name, k_coreServiceCategory) == 0) {

            coreServicesTagEnabled = g_categoryEnables[i];

        }

        // Set whether to poke PDX services in this session.

        if (strcmp(k_categories[i].name, k_pdxServiceCategory) == 0) {

            g_tracePdx = g_categoryEnables[i];

        }

    }

    std::string packageList(g_debugAppCmdLine);

    }

    ok &= setAppCmdlineProperty(&packageList[0]);

    ok &= setTagsProperty(tags);

    if (g_tracePdx) {

        ok &= ServiceUtility::PokeServices();

    }

    return ok;

}

{

    setTagsProperty(0);

    clearAppProperties();

    if (g_tracePdx) {

        ServiceUtility::PokeServices();

    }

}

    header_libs: [

        "jni_headers",

        "libdvr_headers",

        "libgui_aidl_headers",

        "libpdx_headers",

    ],

    afdo: true,

/*

 * 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.

 */

#ifndef ANDROID_BUFFER_HUB_DEFS_H_

#define ANDROID_BUFFER_HUB_DEFS_H_

#include <atomic>

#pragma clang diagnostic push

#pragma clang diagnostic ignored "-Wpacked"

// TODO(b/118893702): remove dependency once DvrNativeBufferMetadata moved out of libdvr

#include <dvr/dvr_api.h>

#pragma clang diagnostic pop

namespace android {

namespace BufferHubDefs {

// Single buffer clients (up to 16) ownership signal.

// 32-bit atomic unsigned int.

// Each client takes 2 bits. The first bit locates in the first 16 bits of

// bufferState; the second bit locates in the last 16 bits of bufferState.

// Client states:

// Gained state 11. Exclusive write state.

// Posted state 10.

// Acquired state 01. Shared read state.

// Released state 00.

//

//  MSB                        LSB

//   |                          |

//   v                          v

// [C15|...|C1|C0|C15| ... |C1|C0]

// Maximum number of clients a buffer can have.

static constexpr int kMaxNumberOfClients = 16;

// Definition of bit masks.

//  MSB                            LSB

//   | kHighBitsMask | kLowbitsMask |

//   v               v              v

// [b31|   ...   |b16|b15|   ...  |b0]

// The location of lower 16 bits in the 32-bit buffer state.

static constexpr uint32_t kLowbitsMask = (1U << kMaxNumberOfClients) - 1U;

// The location of higher 16 bits in the 32-bit buffer state.

static constexpr uint32_t kHighBitsMask = ~kLowbitsMask;

// The client bit mask of the first client.

static constexpr uint32_t kFirstClientBitMask = (1U << kMaxNumberOfClients) + 1U;

// Returns true if any of the client is in gained state.

static inline bool isAnyClientGained(uint32_t state) {

    uint32_t highBits = state >> kMaxNumberOfClients;

    uint32_t lowBits = state & kLowbitsMask;

    return highBits == lowBits && lowBits != 0U;

}

// Returns true if the input client is in gained state.

static inline bool isClientGained(uint32_t state, uint32_t client_bit_mask) {

    return state == client_bit_mask;

}

// Returns true if any of the client is in posted state.

static inline bool isAnyClientPosted(uint32_t state) {

    uint32_t highBits = state >> kMaxNumberOfClients;

    uint32_t lowBits = state & kLowbitsMask;

    uint32_t postedOrAcquired = highBits ^ lowBits;

    return postedOrAcquired & highBits;

}

// Returns true if the input client is in posted state.

static inline bool isClientPosted(uint32_t state, uint32_t client_bit_mask) {

    uint32_t clientBits = state & client_bit_mask;

    if (clientBits == 0U) return false;

    uint32_t lowBits = clientBits & kLowbitsMask;

    return lowBits == 0U;

}

// Return true if any of the client is in acquired state.

static inline bool isAnyClientAcquired(uint32_t state) {

    uint32_t highBits = state >> kMaxNumberOfClients;

    uint32_t lowBits = state & kLowbitsMask;

    uint32_t postedOrAcquired = highBits ^ lowBits;

    return postedOrAcquired & lowBits;

}

// Return true if the input client is in acquired state.

static inline bool isClientAcquired(uint32_t state, uint32_t client_bit_mask) {

    uint32_t clientBits = state & client_bit_mask;

    if (clientBits == 0U) return false;

    uint32_t highBits = clientBits & kHighBitsMask;

    return highBits == 0U;

}

// Returns true if the input client is in released state.

static inline bool isClientReleased(uint32_t state, uint32_t client_bit_mask) {

    return (state & client_bit_mask) == 0U;

}

// Returns the next available buffer client's client_state_masks.

// @params union_bits. Union of all existing clients' client_state_masks.

static inline uint32_t findNextAvailableClientStateMask(uint32_t union_bits) {

    uint32_t lowUnion = union_bits & kLowbitsMask;

    if (lowUnion == kLowbitsMask) return 0U;

    uint32_t incremented = lowUnion + 1U;

    uint32_t difference = incremented ^ lowUnion;

    uint32_t newLowBit = (difference + 1U) >> 1;

    return newLowBit + (newLowBit << kMaxNumberOfClients);

}

struct __attribute__((aligned(8))) MetadataHeader {

    // Internal data format, which can be updated as long as the size, padding and field alignment

    // of the struct is consistent within the same ABI. As this part is subject for future updates,

    // it's not stable cross Android version, so don't have it visible from outside of the Android

    // platform (include Apps and vendor HAL).

    // Every client takes up one bit from the higher 32 bits and one bit from the lower 32 bits in

    // bufferState.

    std::atomic<uint32_t> bufferState;

    // Every client takes up one bit in fenceState. Only the lower 32 bits are valid. The upper 32

    // bits are there for easier manipulation, but the value should be ignored.

    std::atomic<uint32_t> fenceState;

    // Every client takes up one bit from the higher 32 bits and one bit from the lower 32 bits in

    // activeClientsBitMask.

    std::atomic<uint32_t> activeClientsBitMask;

    // Explicit padding 4 bytes.

    uint32_t padding;

    // The index of the buffer queue where the buffer belongs to.

    uint64_t queueIndex;

    // Public data format, which should be updated with caution. See more details in dvr_api.h

    DvrNativeBufferMetadata metadata;

};

static_assert(sizeof(MetadataHeader) == 128, "Unexpected MetadataHeader size");

static constexpr size_t kMetadataHeaderSize = sizeof(MetadataHeader);

/**

 * android.frameworks.bufferhub@1.0::BufferTraits.bufferInfo is an opaque handle. See

 * https://cs.corp.google.com/android/frameworks/hardware/interfaces/bufferhub/1.0/types.hal for

 * more details about android.frameworks.bufferhub@1.0::BufferTraits.

 *

 * This definition could be changed, but implementation of BufferHubService::buildBufferInfo

 * (frameworks/native/services/bufferhub), VtsHalBufferHubV1_0TargetTest

 * (frameworks/hardware/interfaces/bufferhub) and BufferHubBuffer::readBufferTraits (libui) will

 * also need to be updated.

 *

 * It's definition should follow the following format:

 * {

 *   NumFds = 2,

 *   NumInts = 3,

 *   data[0] = Ashmem fd for BufferHubMetadata,

 *   data[1] = event fd,

 *   data[2] = buffer id,

 *   data[3] = client state bit mask,

 *   data[4] = user metadata size,

 * }

 */

static constexpr int kBufferInfoNumFds = 2;

static constexpr int kBufferInfoNumInts = 3;

} // namespace BufferHubDefs

} // namespace android

#endif // ANDROID_BUFFER_HUB_DEFS_H_

BasedOnStyle: Google

DerivePointerAlignment: false

PointerAlignment: Left

AllowShortIfStatementsOnASingleLine: false

AllowShortLoopsOnASingleLine: false