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 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _ANDROID_PMEM_H_ 13 #define _ANDROID_PMEM_H_ 14 15 #include <stdint.h> 16 17 #ifndef __user 18 #define __user 19 #endif 20 21 struct pmem_region { 22 unsigned long offset; 23 unsigned long len; 24 }; 25 26 #define PMEM_IOCTL_MAGIC 'p' 27 #define PMEM_GET_PHYS _IOW(PMEM_IOCTL_MAGIC, 1, struct pmem_region *) 28 #define PMEM_MAP _IOW(PMEM_IOCTL_MAGIC, 2, struct pmem_region *) 29 #define PMEM_GET_SIZE _IOW(PMEM_IOCTL_MAGIC, 3, struct pmem_region *) 30 #define PMEM_UNMAP _IOW(PMEM_IOCTL_MAGIC, 4, struct pmem_region *) 31 32 #define PMEM_ALLOCATE _IOW(PMEM_IOCTL_MAGIC, 5, unsigned int) 33 34 #define PMEM_CONNECT _IOW(PMEM_IOCTL_MAGIC, 6, unsigned int) 35 36 #define PMEM_GET_TOTAL_SIZE _IOW(PMEM_IOCTL_MAGIC, 7, struct pmem_region *) 37 38 #define HW3D_REVOKE_GPU _IOW(PMEM_IOCTL_MAGIC, 8, unsigned int) 39 #define HW3D_GRANT_GPU _IOW(PMEM_IOCTL_MAGIC, 9, unsigned int) 40 #define HW3D_WAIT_IRQ _IOW(PMEM_IOCTL_MAGIC,10, unsigned int) 41 42 struct android_pmem_platform_data; 43 struct pmem_file_operations { 44 int (*mmap) (struct file *, struct vm_area_struct *); 45 int (*open) (struct inode *, struct file *); 46 ssize_t (*read) (struct file *, char __user *, size_t, long long *); 47 int (*release) (struct inode *, struct file *); 48 long (*ioctl) (struct file *, unsigned int, unsigned long); 49 }; 50 51 #endif 52 53
