mirror of
https://github.com/KhronosGroup/OpenCL-CTS.git
synced 2026-03-19 06:09:01 +00:00
5a65278613
Project fails to build on systems with a kernel version older than 5.6.0 because of `-Wunused-function` combined with `-Werror`. Expand the conditional compilation guard to include the offending code.
122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
//
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// Copyright (c) 2024 The Khronos Group Inc.
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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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//
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#include "alloc.h"
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#include "errorHelpers.h"
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#include "testHarness.h"
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#if defined(linux) || defined(__linux__) || defined(__ANDROID__)
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <linux/version.h>
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
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#include <linux/dma-heap.h>
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struct dma_buf_heap_helper_t
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{
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dma_buf_heap_type heap_type;
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const char* env_var = nullptr;
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const char* default_path = nullptr;
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constexpr dma_buf_heap_helper_t(dma_buf_heap_type heap_type,
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const char* env_var,
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const char* default_path)
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: heap_type(heap_type), env_var(env_var), default_path(default_path)
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{}
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};
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constexpr dma_buf_heap_helper_t DMA_BUF_HEAP_TABLE[] = {
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{ dma_buf_heap_type::SYSTEM, "OCL_CTS_DMA_HEAP_PATH_SYSTEM",
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"/dev/dma_heap/system" },
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};
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static dma_buf_heap_helper_t lookup_dma_heap(dma_buf_heap_type heap_type)
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{
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for (const auto& entry : DMA_BUF_HEAP_TABLE)
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{
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if (heap_type == entry.heap_type)
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{
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return entry;
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}
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}
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assert(false
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&& "DMA heap type does not have an entry in DMA_BUF_HEAP_TABLE");
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return DMA_BUF_HEAP_TABLE[0];
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}
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#endif // LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
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int allocate_dma_buf(uint64_t size, dma_buf_heap_type heap_type)
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{
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
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constexpr int DMA_HEAP_FLAGS = O_RDWR | O_CLOEXEC;
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const auto entry = lookup_dma_heap(heap_type);
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const auto override_path = getenv(entry.env_var);
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const auto dma_heap_path =
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(override_path == nullptr) ? entry.default_path : override_path;
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const int dma_heap_fd = open(dma_heap_path, DMA_HEAP_FLAGS);
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if (dma_heap_fd == -1)
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{
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log_error(
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"Opening the DMA heap device: %s failed with error: %d (%s)\n",
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dma_heap_path, errno, strerror(errno));
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return TEST_SKIPPED_ITSELF;
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}
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dma_heap_allocation_data dma_heap_data = { 0 };
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dma_heap_data.len = size;
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dma_heap_data.fd_flags = O_RDWR | O_CLOEXEC;
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int result = ioctl(dma_heap_fd, DMA_HEAP_IOCTL_ALLOC, &dma_heap_data);
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if (result != 0)
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{
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log_error("DMA heap allocation IOCTL call failed, error: %d\n", result);
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close(dma_heap_fd);
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return -1;
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}
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result = close(dma_heap_fd);
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if (result == -1)
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{
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log_info("Failed to close the DMA heap device: %s\n", dma_heap_path);
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}
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return dma_heap_data.fd;
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#else
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return TEST_SKIPPED_ITSELF;
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#endif // LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
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}
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#else
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int allocate_dma_buf(uint64_t size, dma_buf_heap_type heap_type)
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{
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log_error(
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"OS doesn't have DMA buffer heaps (only Linux and Android do).\n");
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return TEST_SKIPPED_ITSELF;
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}
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#endif // defined(linux) || defined(__linux__) || defined(__ANDROID__)
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