1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <err.h> 20 #include <errno.h> 21 #include <fcntl.h> 22 #include <stdbool.h> 23 #include <stdint.h> 24 #include <stdio.h> 25 #include <stdlib.h> 26 #include <sys/ioctl.h> 27 #include <sys/mman.h> 28 #include <unistd.h> 29 30 /* Kernel UAPI */ 31 #define __u8 uint8_t 32 #define __u16 uint16_t 33 #define __u32 uint32_t 34 #define __u64 uint64_t 35 36 #define LOCAL_PAGE_SHIFT 12 37 #define BASE_MEM_MAP_TRACKING_HANDLE (3ul << LOCAL_PAGE_SHIFT) 38 39 /* IOCTL */ 40 #define KBASE_IOCTL_TYPE 0x80 41 42 typedef struct mali_gpu_info { 43 bool is_csf; 44 uint32_t version; 45 void* tracking_page; 46 } mali_gpu_info; 47 48 struct kbase_ioctl_version_check { 49 __u16 major; 50 __u16 minor; 51 }; 52 53 struct kbase_ioctl_set_flags { 54 __u32 create_flags; 55 }; 56 57 struct kbase_ioctl_get_gpuprops { 58 __u64 buffer; 59 __u32 size; 60 __u32 flags; 61 }; 62 63 struct kbase_ioctl_get_ddk_version { 64 __u64 version_buffer; 65 __u32 size; 66 __u32 padding; 67 }; 68 69 #define KBASE_IOCTL_GET_DDK_VERSION _IOW(KBASE_IOCTL_TYPE, 13, struct kbase_ioctl_get_ddk_version) 70 #define KBASE_IOCTL_SET_FLAGS _IOW(KBASE_IOCTL_TYPE, 1, struct kbase_ioctl_set_flags) 71 #define KBASE_IOCTL_VERSION_CHECK_JM _IOWR(KBASE_IOCTL_TYPE, 0, struct kbase_ioctl_version_check) 72 #define KBASE_IOCTL_VERSION_CHECK_CSF _IOWR(KBASE_IOCTL_TYPE, 52, struct kbase_ioctl_version_check) 73 74 int32_t initialize_mali_gpu(const int32_t mali_fd, mali_gpu_info* gpu_info); 75 void teardown(mali_gpu_info* gpu_info); 76