1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_MSM_ION_H 20 #define _LINUX_MSM_ION_H 21 #include <linux/types.h> 22 #define ION_BIT(nr) (1U << (nr)) 23 #define TARGET_ION_ABI_VERSION 2 24 enum msm_ion_heap_types { 25 ION_HEAP_TYPE_MSM_START = 6, 26 ION_HEAP_TYPE_SECURE_DMA = ION_HEAP_TYPE_MSM_START, 27 ION_HEAP_TYPE_SYSTEM_SECURE, 28 ION_HEAP_TYPE_HYP_CMA, 29 ION_HEAP_TYPE_SECURE_CARVEOUT, 30 }; 31 enum ion_heap_ids { 32 INVALID_HEAP_ID = - 1, 33 ION_CP_MM_HEAP_ID = 8, 34 ION_SECURE_HEAP_ID = 9, 35 ION_SECURE_DISPLAY_HEAP_ID = 10, 36 ION_VIDEO_HEAP_ID = 12, 37 ION_SPSS_HEAP_ID = 13, 38 ION_ADSP_HEAP_ID = 22, 39 ION_SYSTEM_HEAP_ID = 25, 40 ION_QSECOM_HEAP_ID = 27, 41 ION_HEAP_ID_RESERVED = 31 42 }; 43 #define ION_SECURE_CARVEOUT_HEAP_ID 14 44 #define ION_QSECOM_TA_HEAP_ID 19 45 #define ION_AUDIO_HEAP_ID 28 46 #define ION_CAMERA_HEAP_ID 20 47 #define ION_USER_CONTIG_HEAP_ID 26 48 #define ION_FLAG_CP_CAMERA_ENCODE ION_BIT(14) 49 #define ION_FLAG_CP_DSP_EXT ION_BIT(15) 50 #define ION_FLAG_CP_TOUCH ION_BIT(17) 51 #define ION_FLAG_CP_BITSTREAM ION_BIT(18) 52 #define ION_FLAG_CP_PIXEL ION_BIT(19) 53 #define ION_FLAG_CP_NON_PIXEL ION_BIT(20) 54 #define ION_FLAG_CP_CAMERA ION_BIT(21) 55 #define ION_FLAG_CP_HLOS ION_BIT(22) 56 #define ION_FLAG_CP_SPSS_SP ION_BIT(23) 57 #define ION_FLAG_CP_SPSS_SP_SHARED ION_BIT(24) 58 #define ION_FLAG_CP_SEC_DISPLAY ION_BIT(25) 59 #define ION_FLAG_CP_APP ION_BIT(26) 60 #define ION_FLAG_CP_CAMERA_PREVIEW ION_BIT(27) 61 #define ION_FLAG_CP_CDSP ION_BIT(29) 62 #define ION_FLAG_CP_SPSS_HLOS_SHARED ION_BIT(30) 63 #define ION_FLAGS_CP_MASK 0x6FFEC000 64 #define ION_FLAG_ALLOW_NON_CONTIG ION_BIT(28) 65 #define ION_FLAG_SECURE ION_BIT(ION_HEAP_ID_RESERVED) 66 #define ION_FLAG_POOL_FORCE_ALLOC ION_BIT(16) 67 #define ION_HEAP(bit) ION_BIT(bit) 68 #define ION_IOC_MSM_MAGIC 'M' 69 struct ion_prefetch_regions { 70 __u64 sizes; 71 __u32 vmid; 72 __u32 nr_sizes; 73 }; 74 struct ion_prefetch_data { 75 __u64 len; 76 __u64 regions; 77 __u32 heap_id; 78 __u32 nr_regions; 79 }; 80 #define ION_IOC_PREFETCH _IOWR(ION_IOC_MSM_MAGIC, 3, struct ion_prefetch_data) 81 #define ION_IOC_DRAIN _IOWR(ION_IOC_MSM_MAGIC, 4, struct ion_prefetch_data) 82 #endif 83