xref: /openbmc/linux/include/uapi/misc/fastrpc.h (revision 5a158981)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 
3 #ifndef __QCOM_FASTRPC_H__
4 #define __QCOM_FASTRPC_H__
5 
6 #include <linux/types.h>
7 
8 #define FASTRPC_IOCTL_ALLOC_DMA_BUFF	_IOWR('R', 1, struct fastrpc_alloc_dma_buf)
9 #define FASTRPC_IOCTL_FREE_DMA_BUFF	_IOWR('R', 2, __u32)
10 #define FASTRPC_IOCTL_INVOKE		_IOWR('R', 3, struct fastrpc_invoke)
11 #define FASTRPC_IOCTL_INIT_ATTACH	_IO('R', 4)
12 #define FASTRPC_IOCTL_INIT_CREATE	_IOWR('R', 5, struct fastrpc_init_create)
13 #define FASTRPC_IOCTL_MMAP              _IOWR('R', 6, struct fastrpc_req_mmap)
14 #define FASTRPC_IOCTL_MUNMAP            _IOWR('R', 7, struct fastrpc_req_munmap)
15 
16 struct fastrpc_invoke_args {
17 	__u64 ptr;
18 	__u64 length;
19 	__s32 fd;
20 	__u32 reserved;
21 };
22 
23 struct fastrpc_invoke {
24 	__u32 handle;
25 	__u32 sc;
26 	__u64 args;
27 };
28 
29 struct fastrpc_init_create {
30 	__u32 filelen;	/* elf file length */
31 	__s32 filefd;	/* fd for the file */
32 	__u32 attrs;
33 	__u32 siglen;
34 	__u64 file;	/* pointer to elf file */
35 };
36 
37 struct fastrpc_alloc_dma_buf {
38 	__s32 fd;	/* fd */
39 	__u32 flags;	/* flags to map with */
40 	__u64 size;	/* size */
41 };
42 
43 struct fastrpc_req_mmap {
44 	__s32 fd;
45 	__u32 flags;	/* flags for dsp to map with */
46 	__u64 vaddrin;	/* optional virtual address */
47 	__u64 size;	/* size */
48 	__u64 vaddrout;	/* dsp virtual address */
49 };
50 
51 struct fastrpc_req_munmap {
52 	__u64 vaddrout;	/* address to unmap */
53 	__u64 size;	/* size */
54 };
55 
56 #endif /* __QCOM_FASTRPC_H__ */
57