include/uapi/misc/fastrpc.h

   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__ */