/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __QCOM_FASTRPC_H__#define __QCOM_FASTRPC_H__ #include <linux/types.h> #define FASTRPC_IOCTL_ALLOC_DMA_BUFF	_IOWR('R', 1, struct fastrpc_alloc_dma_buf)#define FASTRPC_IOCTL_FREE_DMA_BUFF	_IOWR('R', 2, __u32)#define FASTRPC_IOCTL_INVOKE		_IOWR('R', 3, struct fastrpc_invoke)#define FASTRPC_IOCTL_INIT_ATTACH	_IO('R', 4)#define FASTRPC_IOCTL_INIT_CREATE	_IOWR('R', 5, struct fastrpc_init_create)#define FASTRPC_IOCTL_MMAP		_IOWR('R', 6, struct fastrpc_req_mmap)#define FASTRPC_IOCTL_MUNMAP		_IOWR('R', 7, struct fastrpc_req_munmap)#define FASTRPC_IOCTL_INIT_ATTACH_SNS	_IO('R', 8)#define FASTRPC_IOCTL_INIT_CREATE_STATIC _IOWR('R', 9, struct fastrpc_init_create_static)#define FASTRPC_IOCTL_MEM_MAP		_IOWR('R', 10, struct fastrpc_mem_map)#define FASTRPC_IOCTL_MEM_UNMAP		_IOWR('R', 11, struct fastrpc_mem_unmap)#define FASTRPC_IOCTL_GET_DSP_INFO	_IOWR('R', 13, struct fastrpc_ioctl_capability) /** * enum fastrpc_map_flags - control flags for mapping memory on DSP user process * @FASTRPC_MAP_STATIC: Map memory pages with RW- permission and CACHE WRITEBACK. * The driver is responsible for cache maintenance when passed * the buffer to FastRPC calls. Same virtual address will be * assigned for subsequent FastRPC calls. * @FASTRPC_MAP_RESERVED: Reserved * @FASTRPC_MAP_FD: Map memory pages with RW- permission and CACHE WRITEBACK. * Mapping tagged with a file descriptor. User is responsible for * CPU and DSP cache maintenance for the buffer. Get virtual address * of buffer on DSP using HAP_mmap_get() and HAP_mmap_put() APIs. * @FASTRPC_MAP_FD_DELAYED: Mapping delayed until user call HAP_mmap() and HAP_munmap() * functions on DSP. It is useful to map a buffer with cache modes * other than default modes. User is responsible for CPU and DSP * cache maintenance for the buffer. * @FASTRPC_MAP_FD_NOMAP: This flag is used to skip CPU mapping, * otherwise behaves similar to FASTRPC_MAP_FD_DELAYED flag. * @FASTRPC_MAP_MAX: max count for flags * */enum fastrpc_map_flags {	FASTRPC_MAP_STATIC = 0,	FASTRPC_MAP_RESERVED,	FASTRPC_MAP_FD = 2,	FASTRPC_MAP_FD_DELAYED,	FASTRPC_MAP_FD_NOMAP = 16,	FASTRPC_MAP_MAX,}; enum fastrpc_proc_attr {	/* Macro for Debug attr */	FASTRPC_MODE_DEBUG		= (1 << 0),	/* Macro for Ptrace */	FASTRPC_MODE_PTRACE		= (1 << 1),	/* Macro for CRC Check */	FASTRPC_MODE_CRC		= (1 << 2),	/* Macro for Unsigned PD */	FASTRPC_MODE_UNSIGNED_MODULE	= (1 << 3),	/* Macro for Adaptive QoS */	FASTRPC_MODE_ADAPTIVE_QOS	= (1 << 4),	/* Macro for System Process */	FASTRPC_MODE_SYSTEM_PROCESS	= (1 << 5),	/* Macro for Prvileged Process */	FASTRPC_MODE_PRIVILEGED		= (1 << 6),}; /* Fastrpc attribute for memory protection of buffers */#define FASTRPC_ATTR_SECUREMAP	(1) struct fastrpc_invoke_args {	__u64 ptr;	__u64 length;	__s32 fd;	__u32 attr;}; struct fastrpc_invoke {	__u32 handle;	__u32 sc;	__u64 args;}; struct fastrpc_init_create {	__u32 filelen;	/* elf file length */	__s32 filefd;	/* fd for the file */	__u32 attrs;	__u32 siglen;	__u64 file;	/* pointer to elf file */}; struct fastrpc_init_create_static {	__u32 namelen;	/* length of pd process name */	__u32 memlen;	__u64 name;	/* pd process name */}; struct fastrpc_alloc_dma_buf {	__s32 fd;	/* fd */	__u32 flags;	/* flags to map with */	__u64 size;	/* size */}; struct fastrpc_req_mmap {	__s32 fd;	__u32 flags;	/* flags for dsp to map with */	__u64 vaddrin;	/* optional virtual address */	__u64 size;	/* size */	__u64 vaddrout;	/* dsp virtual address */}; struct fastrpc_mem_map {	__s32 version;	__s32 fd;		/* fd */	__s32 offset;		/* buffer offset */	__u32 flags;		/* flags defined in enum fastrpc_map_flags */	__u64 vaddrin;		/* buffer virtual address */	__u64 length;		/* buffer length */	__u64 vaddrout;		/* [out] remote virtual address */	__s32 attrs;		/* buffer attributes used for SMMU mapping */	__s32 reserved[4];}; struct fastrpc_req_munmap {	__u64 vaddrout;	/* address to unmap */	__u64 size;	/* size */}; struct fastrpc_mem_unmap {	__s32 vesion;	__s32 fd;		/* fd */	__u64 vaddr;		/* remote process (dsp) virtual address */	__u64 length;		/* buffer size */	__s32 reserved[5];}; struct fastrpc_ioctl_capability {	__u32 unused; /* deprecated, ignored by the kernel */	__u32 attribute_id;	__u32 capability;   /* dsp capability */	__u32 reserved[4];}; #endif /* __QCOM_FASTRPC_H__ */