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226 lines
6.9 KiB
226 lines
6.9 KiB
// Copyright (C) 2019 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "testing/HostAddressSpace.h"
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#include "base/AlignedBuf.h"
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#include "host-common/AndroidAgentFactory.h"
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#include "host-common/address_space_device.h"
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#include "host-common/address_space_device.hpp"
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#include <gtest/gtest.h>
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namespace android {
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class HostAddressSpaceTest : public ::testing::Test {
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protected:
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static void SetUpTestCase() {
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emulation::goldfish_address_space_set_vm_operations(getConsoleAgents()->vm);
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}
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static void TearDownTestCase() { }
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void SetUp() override {
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mDevice = HostAddressSpaceDevice::get();
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}
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void TearDown() override {
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if (mDevice) mDevice->clear();
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// mDevice is singleton, no need to tear down
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}
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HostAddressSpaceDevice* mDevice = nullptr;
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};
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// Tests the constructor.
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TEST_F(HostAddressSpaceTest, Basic) { }
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// Tests open/close.
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TEST_F(HostAddressSpaceTest, OpenClose) {
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uint32_t handle = mDevice->open();
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EXPECT_NE(0, handle);
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mDevice->close(handle);
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}
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// Tests host interface existing
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TEST_F(HostAddressSpaceTest, FunctionPointers) {
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EXPECT_NE(nullptr,
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get_address_space_device_hw_funcs());
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EXPECT_NE(nullptr,
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get_address_space_device_hw_funcs()->allocSharedHostRegion);
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EXPECT_NE(nullptr,
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get_address_space_device_hw_funcs()->allocSharedHostRegionLocked);
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EXPECT_NE(nullptr,
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get_address_space_device_hw_funcs()->freeSharedHostRegion);
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EXPECT_NE(nullptr,
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get_address_space_device_hw_funcs()->freeSharedHostRegionLocked);
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EXPECT_NE(nullptr,
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get_address_space_device_hw_funcs()->getPhysAddrStart);
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EXPECT_NE(nullptr,
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get_address_space_device_hw_funcs()->getPhysAddrStartLocked);
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}
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// Tests allocation and freeing of host shared regions.
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TEST_F(HostAddressSpaceTest, HostSharedAllocs) {
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auto hwFuncs = get_address_space_device_hw_funcs();
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// Test that passing nullptr as the offset results in an error.
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int allocRes = hwFuncs->allocSharedHostRegion(4096, nullptr);
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EXPECT_EQ(-EINVAL, allocRes);
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uint64_t offset;
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allocRes = hwFuncs->allocSharedHostRegion(4096, &offset);
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EXPECT_EQ(0, allocRes);
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int freeRes = hwFuncs->freeSharedHostRegion(offset);
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EXPECT_EQ(0, freeRes);
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freeRes = hwFuncs->freeSharedHostRegion(offset);
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EXPECT_EQ(-EINVAL, freeRes);
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}
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// Tests the interface to get the starting phys addr.
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TEST_F(HostAddressSpaceTest, HostGetStartingPhysAddr) {
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auto hwFuncs = get_address_space_device_hw_funcs();
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auto physStart = hwFuncs->getPhysAddrStart();
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EXPECT_NE(0, physStart);
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}
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// Tests host interface APIs Locked* versions.
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TEST_F(HostAddressSpaceTest, HostInterfaceLocked) {
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auto hwFuncs = get_address_space_device_hw_funcs();
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// Test that passing nullptr as the offset results in an error.
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int allocRes = hwFuncs->allocSharedHostRegionLocked(4096, nullptr);
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EXPECT_EQ(-EINVAL, allocRes);
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uint64_t offset;
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allocRes = hwFuncs->allocSharedHostRegionLocked(4096, &offset);
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EXPECT_EQ(0, allocRes);
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int freeRes = hwFuncs->freeSharedHostRegionLocked(offset);
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EXPECT_EQ(0, freeRes);
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freeRes = hwFuncs->freeSharedHostRegionLocked(offset);
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EXPECT_EQ(-EINVAL, freeRes);
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auto physStart = hwFuncs->getPhysAddrStartLocked();
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EXPECT_NE(0, physStart);
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}
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// Tests claiming/unclaiming shared regions.
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// Test that two different handles can share the same offset.
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TEST_F(HostAddressSpaceTest, SharedRegionClaiming) {
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auto hwFuncs = get_address_space_device_hw_funcs();
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uint32_t handle = mDevice->open();
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uint32_t handle2 = mDevice->open();
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EXPECT_NE(0, handle);
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uint64_t offset;
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int allocRes = hwFuncs->allocSharedHostRegion(4096, &offset);
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EXPECT_EQ(0, allocRes);
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int claimRes = mDevice->claimShared(handle, offset, 4096);
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EXPECT_EQ(0, claimRes);
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claimRes = mDevice->claimShared(handle2, offset, 4096);
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EXPECT_EQ(0, claimRes);
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int unclaimRes = mDevice->unclaimShared(handle, offset);
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EXPECT_EQ(0, unclaimRes);
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unclaimRes = mDevice->unclaimShared(handle2, offset);
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EXPECT_EQ(0, unclaimRes);
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int freeRes = hwFuncs->freeSharedHostRegion(offset);
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EXPECT_EQ(0, freeRes);
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mDevice->close(handle);
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mDevice->close(handle2);
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}
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// Tests error cases when claiming/unclaiming shared regions;
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// a region must have been created via allocSharedHostRegionLocked,
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// and the same offset cannot be claimed or unclaimed twice with the same handle.
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TEST_F(HostAddressSpaceTest, SharedRegionClaimingNegative) {
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auto hwFuncs = get_address_space_device_hw_funcs();
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uint32_t handle = mDevice->open();
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EXPECT_NE(0, handle);
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uint64_t offset;
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int allocRes = hwFuncs->allocSharedHostRegion(4096, &offset);
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EXPECT_EQ(0, allocRes);
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int claimRes = mDevice->claimShared(handle, offset - 1, 4096);
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EXPECT_EQ(-EINVAL, claimRes);
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claimRes = mDevice->claimShared(handle, offset, 4097);
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EXPECT_EQ(-EINVAL, claimRes);
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claimRes = mDevice->claimShared(handle, offset, 4096);
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EXPECT_EQ(0, claimRes);
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claimRes = mDevice->claimShared(handle, offset, 4096);
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EXPECT_EQ(-EINVAL, claimRes);
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int unclaimRes = mDevice->unclaimShared(handle, offset + 1);
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EXPECT_EQ(-EINVAL, unclaimRes);
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unclaimRes = mDevice->unclaimShared(handle, offset - 1);
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EXPECT_EQ(-EINVAL, unclaimRes);
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unclaimRes = mDevice->unclaimShared(handle, offset);
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EXPECT_EQ(0, unclaimRes);
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unclaimRes = mDevice->unclaimShared(handle, offset);
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EXPECT_EQ(-EINVAL, unclaimRes);
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int freeRes = hwFuncs->freeSharedHostRegion(offset);
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EXPECT_EQ(0, freeRes);
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mDevice->close(handle);
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}
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// Tests the HVA association API.
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TEST_F(HostAddressSpaceTest, HostAddressMapping) {
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auto hwFuncs = get_address_space_device_hw_funcs();
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auto buf = aligned_buf_alloc(4096, 4096);
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uint32_t handle = mDevice->open();
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EXPECT_NE(0, handle);
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uint64_t offset;
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int allocRes = hwFuncs->allocSharedHostRegion(4096, &offset);
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EXPECT_EQ(0, allocRes);
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uint64_t physAddr = hwFuncs->getPhysAddrStart() + offset;
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mDevice->setHostAddrByPhysAddr(physAddr, buf);
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EXPECT_EQ(buf, mDevice->getHostAddr(physAddr));
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int claimRes = mDevice->claimShared(handle, offset, 4096);
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EXPECT_EQ(0, claimRes);
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int unclaimRes = mDevice->unclaimShared(handle, offset);
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EXPECT_EQ(0, unclaimRes);
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int freeRes = hwFuncs->freeSharedHostRegion(offset);
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EXPECT_EQ(0, freeRes);
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aligned_buf_free(buf);
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mDevice->close(handle);
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}
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} // namespace android
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