| // Copyright 2016 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-common/address_space_host_memory_allocator.h" |
| #include <gtest/gtest.h> |
| |
| namespace android { |
| namespace emulation { |
| |
| namespace { |
| constexpr uint64_t BAD_GPA = 0x1234000; |
| constexpr uint64_t GOOD_GPA_1 = 0x10001000; |
| constexpr uint64_t GOOD_GPA_2 = 0x20002000; |
| |
| int empty_add_memory_mapping(uint64_t gpa, void *ptr, uint64_t size) { |
| return (gpa == BAD_GPA) ? 0 : 1; |
| } |
| |
| int empty_remove_memory_mapping(uint64_t gpa, void *ptr, uint64_t size) { return 1; } |
| |
| struct address_space_device_control_ops create_address_space_device_control_ops() { |
| struct address_space_device_control_ops ops = {}; |
| |
| ops.add_memory_mapping = &empty_add_memory_mapping; |
| ops.remove_memory_mapping = &empty_remove_memory_mapping; |
| |
| return ops; |
| } |
| |
| AddressSpaceDevicePingInfo createAllocateRequest(uint64_t phys_addr) { |
| AddressSpaceDevicePingInfo req = {}; |
| |
| req.metadata = static_cast<uint64_t>( |
| AddressSpaceHostMemoryAllocatorContext::HostMemoryAllocatorCommand::Allocate); |
| req.phys_addr = phys_addr; |
| req.size = 1; |
| |
| return req; |
| } |
| |
| AddressSpaceDevicePingInfo createUnallocateRequest(uint64_t phys_addr) { |
| AddressSpaceDevicePingInfo req = {}; |
| |
| req.metadata = static_cast<uint64_t>( |
| AddressSpaceHostMemoryAllocatorContext::HostMemoryAllocatorCommand::Unallocate); |
| req.phys_addr = phys_addr; |
| |
| return req; |
| } |
| } // namespace |
| |
| TEST(AddressSpaceHostMemoryAllocatorContext, getDeviceType) { |
| struct address_space_device_control_ops ops = |
| create_address_space_device_control_ops(); |
| |
| AddressSpaceHostMemoryAllocatorContext ctx(&ops); |
| |
| EXPECT_EQ(ctx.getDeviceType(), AddressSpaceDeviceType::HostMemoryAllocator); |
| } |
| |
| TEST(AddressSpaceHostMemoryAllocatorContext, AllocateDeallocate) { |
| struct address_space_device_control_ops ops = |
| create_address_space_device_control_ops(); |
| |
| AddressSpaceHostMemoryAllocatorContext ctx(&ops); |
| |
| AddressSpaceDevicePingInfo req; |
| |
| req = createAllocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createUnallocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| } |
| |
| TEST(AddressSpaceHostMemoryAllocatorContext, AllocateSamePhysAddr) { |
| struct address_space_device_control_ops ops = |
| create_address_space_device_control_ops(); |
| |
| AddressSpaceHostMemoryAllocatorContext ctx(&ops); |
| |
| AddressSpaceDevicePingInfo req; |
| |
| req = createAllocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createAllocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_NE(req.metadata, 0); |
| |
| req = createAllocateRequest(GOOD_GPA_2); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createUnallocateRequest(GOOD_GPA_2); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createUnallocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createAllocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createUnallocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| } |
| |
| TEST(AddressSpaceHostMemoryAllocatorContext, AllocateMappingFail) { |
| struct address_space_device_control_ops ops = |
| create_address_space_device_control_ops(); |
| |
| AddressSpaceHostMemoryAllocatorContext ctx(&ops); |
| |
| AddressSpaceDevicePingInfo req; |
| |
| req = createAllocateRequest(BAD_GPA); |
| ctx.perform(&req); |
| EXPECT_NE(req.metadata, 0); |
| } |
| |
| TEST(AddressSpaceHostMemoryAllocatorContext, UnallocateTwice) { |
| struct address_space_device_control_ops ops = |
| create_address_space_device_control_ops(); |
| |
| AddressSpaceHostMemoryAllocatorContext ctx(&ops); |
| |
| AddressSpaceDevicePingInfo req; |
| |
| req = createAllocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createUnallocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_EQ(req.metadata, 0); |
| |
| req = createUnallocateRequest(GOOD_GPA_1); |
| ctx.perform(&req); |
| EXPECT_NE(req.metadata, 0); |
| } |
| |
| } // namespace emulation |
| } // namespace android |