| /* |
| * Copyright (C) 2020 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 <BufferAllocator/BufferAllocator.h> |
| #include "dmabuf_heap_test.h" |
| |
| #include <ion/ion.h> |
| #include <sys/mman.h> |
| |
| #include <gtest/gtest.h> |
| |
| #include <android-base/logging.h> |
| #include <android-base/unique_fd.h> |
| |
| DmaBufHeapTest::DmaBufHeapTest() : allocator(new BufferAllocator()) { |
| /* |
| * Legacy ion devices may have hardcoded heap IDs that do not |
| * match the ion UAPI header. Map heap name 'system' to a heap mask |
| * of all 1s so that these devices will allocate from the first |
| * available heap when asked to allocate from a heap of name 'system'. |
| */ |
| allocator->MapNameToIonHeap(kDmabufSystemHeapName, "" /* no mapping for non-legacy */, |
| 0 /* no mapping for non-legacy ion */, |
| ~0 /* legacy ion heap mask */); |
| } |
| |
| TEST_F(DmaBufHeapTest, Allocate) { |
| static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024}; |
| for (size_t size : allocationSizes) { |
| SCOPED_TRACE(::testing::Message() |
| << "heap: " << kDmabufSystemHeapName << " size: " << size); |
| int fd = allocator->Alloc(kDmabufSystemHeapName, size); |
| ASSERT_GE(fd, 0); |
| ASSERT_EQ(close(fd), 0); // free the buffer |
| } |
| } |
| |
| TEST_F(DmaBufHeapTest, AllocateCached) { |
| static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024}; |
| for (size_t size : allocationSizes) { |
| SCOPED_TRACE(::testing::Message() |
| << "heap: " << kDmabufSystemHeapName << " size: " << size); |
| int fd = allocator->Alloc(kDmabufSystemHeapName, size, ION_FLAG_CACHED |
| /* ion heap flags will be ignored if using dmabuf heaps */); |
| ASSERT_GE(fd, 0); |
| ASSERT_EQ(close(fd), 0); // free the buffer |
| } |
| } |
| |
| TEST_F(DmaBufHeapTest, AllocateCachedNeedsSync) { |
| static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024}; |
| for (size_t size : allocationSizes) { |
| SCOPED_TRACE(::testing::Message() |
| << "heap: " << kDmabufSystemHeapName << " size: " << size); |
| int fd = allocator->Alloc(kDmabufSystemHeapName, size, ION_FLAG_CACHED_NEEDS_SYNC |
| /* ion heap flags will be ignored if using dmabuf heaps */); |
| ASSERT_GE(fd, 0); |
| ASSERT_EQ(close(fd), 0); // free the buffer |
| } |
| } |
| |
| TEST_F(DmaBufHeapTest, RepeatedAllocate) { |
| static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024}; |
| for (size_t size : allocationSizes) { |
| SCOPED_TRACE(::testing::Message() |
| << "heap: " << kDmabufSystemHeapName << " size: " << size); |
| for (unsigned int i = 0; i < 1024; i++) { |
| SCOPED_TRACE(::testing::Message() << "iteration " << i); |
| int fd = allocator->Alloc(kDmabufSystemHeapName, size); |
| ASSERT_GE(fd, 0); |
| ASSERT_EQ(close(fd), 0); // free the buffer |
| } |
| } |
| } |
| |
| /* |
| * Make sure all heaps always return zeroed pages |
| */ |
| TEST_F(DmaBufHeapTest, Zeroed) { |
| static const size_t kAllocSizeInBytes = 4096; |
| static const size_t kNumFds = 16; |
| |
| auto zeroes_ptr = std::make_unique<char[]>(kAllocSizeInBytes); |
| int fds[kNumFds]; |
| int ret = 0, map_fd = -1; |
| for (unsigned int i = 0; i < kNumFds; i++) { |
| map_fd = allocator->Alloc(kDmabufSystemHeapName, kAllocSizeInBytes); |
| ASSERT_GE(map_fd, 0); |
| |
| void* ptr = NULL; |
| |
| ptr = mmap(NULL, kAllocSizeInBytes, PROT_WRITE, MAP_SHARED, map_fd, 0); |
| ASSERT_TRUE(ptr != NULL); |
| |
| ret = allocator->CpuSyncStart(map_fd, kSyncWrite); |
| ASSERT_EQ(0, ret); |
| |
| memset(ptr, 0xaa, kAllocSizeInBytes); |
| |
| ret = allocator->CpuSyncEnd(map_fd); |
| ASSERT_EQ(0, ret); |
| |
| ASSERT_EQ(0, munmap(ptr, kAllocSizeInBytes)); |
| fds[i] = map_fd; |
| } |
| |
| for (unsigned int i = 0; i < kNumFds; i++) { |
| ASSERT_EQ(0, close(fds[i])); |
| } |
| |
| map_fd = allocator->Alloc(kDmabufSystemHeapName, kAllocSizeInBytes); |
| ASSERT_GE(map_fd, 0); |
| |
| void* ptr = NULL; |
| ptr = mmap(NULL, kAllocSizeInBytes, PROT_READ, MAP_SHARED, map_fd, 0); |
| ASSERT_TRUE(ptr != NULL); |
| |
| ret = allocator->CpuSyncStart(map_fd); |
| ASSERT_EQ(0, ret); |
| |
| ASSERT_EQ(0, memcmp(ptr, zeroes_ptr.get(), kAllocSizeInBytes)); |
| |
| ret = allocator->CpuSyncEnd(map_fd); |
| ASSERT_EQ(0, ret); |
| |
| ASSERT_EQ(0, munmap(ptr, kAllocSizeInBytes)); |
| ASSERT_EQ(0, close(map_fd)); |
| } |
| |
| TEST_F(DmaBufHeapTest, TestCpuSync) { |
| static const size_t kAllocSizeInBytes = 4096; |
| auto vec_sync_type = {kSyncRead, kSyncWrite, kSyncReadWrite}; |
| for (auto sync_type : vec_sync_type) { |
| int map_fd = allocator->Alloc(kDmabufSystemHeapName, kAllocSizeInBytes); |
| ASSERT_GE(map_fd, 0); |
| |
| void* ptr; |
| ptr = mmap(NULL, kAllocSizeInBytes, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0); |
| ASSERT_TRUE(ptr != NULL); |
| |
| int ret = allocator->CpuSyncStart(map_fd, sync_type); |
| ASSERT_EQ(0, ret); |
| |
| ret = allocator->CpuSyncEnd(map_fd); |
| ASSERT_EQ(0, ret); |
| |
| ASSERT_EQ(0, munmap(ptr, kAllocSizeInBytes)); |
| ASSERT_EQ(0, close(map_fd)); |
| } |
| } |
| |
| TEST_F(DmaBufHeapTest, TestCpuSyncMismatched) { |
| static const size_t kAllocSizeInBytes = 4096; |
| auto vec_sync_type = {kSyncRead, kSyncWrite, kSyncReadWrite}; |
| for (auto sync_type : vec_sync_type) { |
| int map_fd1 = allocator->Alloc(kDmabufSystemHeapName, kAllocSizeInBytes); |
| ASSERT_GE(map_fd1, 0); |
| |
| int map_fd2 = allocator->Alloc(kDmabufSystemHeapName, kAllocSizeInBytes); |
| ASSERT_GE(map_fd2, 0); |
| |
| int ret = allocator->CpuSyncStart(map_fd1, sync_type); |
| ASSERT_EQ(0, ret); |
| |
| ret = allocator->CpuSyncEnd(map_fd2); |
| ASSERT_EQ(-EINVAL, ret); |
| |
| ret = allocator->CpuSyncEnd(map_fd1); |
| ASSERT_EQ(0, ret); |
| |
| ASSERT_EQ(0, close(map_fd1)); |
| ASSERT_EQ(0, close(map_fd2)); |
| } |
| } |
| |
| TEST_F(DmaBufHeapTest, TestCpuSyncMismatched2) { |
| static const size_t kAllocSizeInBytes = 4096; |
| auto vec_sync_type = {kSyncRead, kSyncWrite, kSyncReadWrite}; |
| for (auto sync_type : vec_sync_type) { |
| int map_fd = allocator->Alloc(kDmabufSystemHeapName, kAllocSizeInBytes); |
| ASSERT_GE(map_fd, 0); |
| |
| int ret = allocator->CpuSyncStart(map_fd, sync_type); |
| ASSERT_EQ(0, ret); |
| |
| ret = allocator->CpuSyncEnd(map_fd); |
| ASSERT_EQ(0, ret); |
| |
| /* Should fail since it is missing a CpuSyncStart() */ |
| ret = allocator->CpuSyncEnd(map_fd); |
| ASSERT_EQ(-EINVAL, ret); |
| |
| ret = allocator->CpuSyncStart(map_fd, sync_type); |
| ASSERT_EQ(0, ret); |
| |
| /* Should fail since it is missing a CpuSyncEnd() */ |
| ret = allocator->CpuSyncStart(map_fd, sync_type); |
| ASSERT_EQ(-EINVAL, ret); |
| |
| ret = allocator->CpuSyncEnd(map_fd); |
| ASSERT_EQ(0, ret); |
| |
| ASSERT_EQ(0, close(map_fd)); |
| } |
| } |
| |
| int CustomCpuSyncStart(int /* ion_fd */) { |
| LOG(INFO) << "In custom cpu sync start callback"; |
| return 0; |
| } |
| |
| int CustomCpuSyncEnd(int /* ion_fd */) { |
| LOG(INFO) << "In custom cpu sync end callback"; |
| return 0; |
| } |
| |
| TEST_F(DmaBufHeapTest, TestCustomLegacyIonSyncCallback) { |
| static const size_t allocationSizes[] = {4 * 1024, 64 * 1024, 1024 * 1024, 2 * 1024 * 1024}; |
| for (size_t size : allocationSizes) { |
| SCOPED_TRACE(::testing::Message() |
| << "heap: " << kDmabufSystemHeapName << " size: " << size); |
| |
| int map_fd = allocator->Alloc(kDmabufSystemHeapName, size); |
| ASSERT_GE(map_fd, 0); |
| |
| void* ptr; |
| ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0); |
| ASSERT_TRUE(ptr != NULL); |
| |
| int ret = allocator->CpuSyncStart(map_fd, kSyncWrite, CustomCpuSyncStart); |
| ASSERT_EQ(0, ret); |
| |
| memset(ptr, 0xaa, size); |
| |
| ret = allocator->CpuSyncEnd(map_fd, CustomCpuSyncEnd); |
| ASSERT_EQ(0, ret); |
| |
| ASSERT_EQ(0, munmap(ptr, size)); |
| ASSERT_EQ(0, close(map_fd)); |
| } |
| } |