| /* |
| * linux/ipc/shm_ctrl.h |
| * Copyright (C) 2023 Sanechips Technology Co., Ltd. |
| */ |
| #ifndef _SHM_CTRL_H |
| #define _SHM_CTRL_H |
| |
| #ifdef CONFIG_SYSVIPC_CROSS_SHM |
| /** |
| * ºê¶¨Òå |
| */ |
| #include <linux/slab.h> |
| #include <linux/mm.h> |
| #include <linux/shm.h> |
| #include <linux/io.h> |
| #include <linux/init.h> |
| #include <linux/file.h> |
| #include <linux/list.h> |
| #include <linux/mman.h> |
| #include <linux/shmem_fs.h> |
| #include <linux/audit.h> |
| #include <linux/capability.h> |
| #include <linux/ptrace.h> |
| #include <linux/rwsem.h> |
| #include <linux/nsproxy.h> |
| #include <linux/ipc_namespace.h> |
| #include <linux/module.h> |
| #include <linux/dma-mapping.h> |
| #include <mach/spinlock.h> |
| |
| /** |
| * ºê¶¨Òå |
| */ |
| #define TRUE 1 |
| #define FALSE 0 |
| |
| #define SHM_CTRL_OK (0) |
| #define SHM_CTRL_ERROR (-1) |
| #define SHM_CTRL_VMA_LINK_NUM (2) |
| #define SHM_CTRL_MEMSYNC_CHANNEL (15) |
| #define SHM_CTRL_CHANNEL_SIZE (0x40) |
| #define SHM_CTRL_LONG_32BIT (32) |
| #define SHM_REMOTE_SYSV_YES (0x73797376) /*SYSV ASCIIÂë*/ |
| #define SHM_REMOTE_POSIX_YES (0x706F7378) /*POSX ASCIIÂë*/ |
| #define SHM_REMOTE_SYSV_MASK (0xFFFFF800) /*(key:-1~-2047)*/ |
| |
| /** |
| * Êý¾ÝÀàÐͶ¨Òå |
| */ |
| struct shm_pool_msg |
| { |
| unsigned int shm_len; |
| unsigned int key_manage_len; |
| phys_addr_t shm_memory_phy; |
| phys_addr_t key_manage_phy; |
| }; |
| |
| extern int shm_remote_free_pages(key_t key); |
| extern key_t shm_hash_name_to_key(const char *name, int len); |
| extern int shm_do_newseg_check(key_t key, unsigned long len); |
| extern int shm_do_remote_map_vma(struct vm_area_struct *vma, key_t key); |
| extern void shm_unmap_page_range(struct mm_struct *mm, struct vm_area_struct *vma, |
| unsigned long addr, unsigned long end); |
| #endif |
| #endif // _SHM_CTRL_H |
| |