android_kernel_samsung_sm8650-modules/qcom/opensource/dsp-kernel/include/uapi/fastrpc_shared.h

/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
 * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
 */

#ifndef FASTRPC_IOCTL_H
#define FASTRPC_IOCTL_H

#include <linux/types.h>

#define remote_arg_t    union remote_arg
/* Map and unmap IOCTL methods reserved memory size for future extensions */
#define MAP_RESERVED_NUM (14)
#define UNMAP_RESERVED_NUM (10)

#define FASTRPC_IOCTL_INVOKE	_IOWR('R', 1, struct fastrpc_ioctl_invoke)
#define FASTRPC_IOCTL_MMAP	_IOWR('R', 2, struct fastrpc_ioctl_mmap)
#define FASTRPC_IOCTL_MUNMAP	_IOWR('R', 3, struct fastrpc_ioctl_munmap)
#define FASTRPC_IOCTL_MMAP_64	_IOWR('R', 14, struct fastrpc_ioctl_mmap_64)
#define FASTRPC_IOCTL_MUNMAP_64	_IOWR('R', 15, struct fastrpc_ioctl_munmap_64)
#define FASTRPC_IOCTL_INVOKE_FD	_IOWR('R', 4, struct fastrpc_ioctl_invoke_fd)
#define FASTRPC_IOCTL_SETMODE	_IOWR('R', 5, uint32_t)
#define FASTRPC_IOCTL_INIT	_IOWR('R', 6, struct fastrpc_ioctl_init)
#define FASTRPC_IOCTL_INVOKE_ATTRS \
				_IOWR('R', 7, struct fastrpc_ioctl_invoke_attrs)
#define FASTRPC_IOCTL_GETINFO	_IOWR('R', 8, uint32_t)
//#define FASTRPC_IOCTL_GETPERF	_IOWR('R', 9, struct fastrpc_ioctl_perf)
#define FASTRPC_IOCTL_INIT_ATTRS _IOWR('R', 10, struct fastrpc_ioctl_init_attrs)
#define FASTRPC_IOCTL_INVOKE_CRC _IOWR('R', 11, struct fastrpc_ioctl_invoke_crc)
#define FASTRPC_IOCTL_CONTROL   _IOWR('R', 12, struct fastrpc_ioctl_control)
#define FASTRPC_IOCTL_MUNMAP_FD _IOWR('R', 13, struct fastrpc_ioctl_munmap_fd)
#define FASTRPC_IOCTL_GET_DSP_INFO \
		_IOWR('R', 17, struct fastrpc_ioctl_capability)
#define FASTRPC_IOCTL_INVOKE2   _IOWR('R', 18, struct fastrpc_ioctl_invoke2)
#define FASTRPC_IOCTL_MEM_MAP   _IOWR('R', 19, struct fastrpc_ioctl_mem_map)
#define FASTRPC_IOCTL_MEM_UNMAP _IOWR('R', 20, struct fastrpc_ioctl_mem_unmap)
#define FASTRPC_IOCTL_INVOKE_PERF \
		_IOWR('R', 21, struct fastrpc_ioctl_invoke_perf)
#define FASTRPC_IOCTL_NOTIF_RSP \
		_IOWR('R', 22, struct fastrpc_ioctl_notif_rsp)
#define FASTRPC_IOCTL_DSPSIGNAL_CREATE _IOWR('R', 23, struct fastrpc_ioctl_dspsignal_create)
#define FASTRPC_IOCTL_DSPSIGNAL_DESTROY _IOWR('R', 24, struct fastrpc_ioctl_dspsignal_destroy)
#define FASTRPC_IOCTL_DSPSIGNAL_SIGNAL _IOWR('R', 25, struct fastrpc_ioctl_dspsignal_signal)
#define FASTRPC_IOCTL_DSPSIGNAL_WAIT _IOWR('R', 26, struct fastrpc_ioctl_dspsignal_wait)
#define FASTRPC_IOCTL_DSPSIGNAL_CANCEL_WAIT \
		_IOWR('R', 27, struct fastrpc_ioctl_dspsignal_cancel_wait)

struct fastrpc_mem_map {
	int fd;			/* ion fd */
	int offset;		/* buffer offset */
	uint32_t flags;		/* flags defined in enum fastrpc_map_flags */
	int attrs;		/* buffer attributes used for SMMU mapping */
	uintptr_t vaddrin;	/* buffer virtual address */
	size_t length;		/* buffer length */
	uint64_t vaddrout;	/* [out] remote virtual address */
};

struct fastrpc_mem_unmap {
	int fd;			/* ion fd */
	uint64_t vaddr;		/* remote process (dsp) virtual address */
	size_t length;		/* buffer size */
};

struct fastrpc_ctrl_latency {
	uint32_t enable;	/* latency control enable */
	uint32_t latency;	/* latency request in us */
};

struct fastrpc_ctrl_kalloc {
	uint32_t kalloc_support;  /* Remote memory allocation from kernel */
};

struct fastrpc_ctrl_wakelock {
	uint32_t enable;	/* wakelock control enable */
};

struct fastrpc_ctrl_pm {
	uint32_t timeout;	/* timeout(in ms) for PM to keep system awake */
};

struct fastrpc_ctrl_smmu {
	uint32_t sharedcb;  /* Set to SMMU share context bank */
};

struct fastrpc_ioctl_invoke {
	uint32_t handle;	/* remote handle */
	uint32_t sc;		/* scalars describing the data */
	remote_arg_t *pra;	/* remote arguments list */
};

struct fastrpc_ioctl_invoke_fd {
	struct fastrpc_ioctl_invoke inv;
	int *fds;		/* fd list */
};

struct fastrpc_ioctl_invoke_attrs {
	struct fastrpc_ioctl_invoke inv;
	int *fds;		/* fd list */
	unsigned int *attrs;	/* attribute list */
};

struct fastrpc_ioctl_invoke_crc {
	struct fastrpc_ioctl_invoke inv;
	int *fds;		/* fd list */
	unsigned int *attrs;	/* attribute list */
	unsigned int *crc;
};

struct fastrpc_ioctl_invoke_perf {
	struct fastrpc_ioctl_invoke inv;
	int *fds;
	unsigned int *attrs;
	unsigned int *crc;
	uint64_t *perf_kernel;
	uint64_t *perf_dsp;
};

struct fastrpc_ioctl_invoke_async {
	struct fastrpc_ioctl_invoke inv;
	int *fds;		/* fd list */
	unsigned int *attrs;	/* attribute list */
	unsigned int *crc;
	uint64_t *perf_kernel;
	uint64_t *perf_dsp;
	struct fastrpc_async_job *job; /* async job*/
};

struct fastrpc_ioctl_invoke_async_no_perf {
	struct fastrpc_ioctl_invoke inv;
	int *fds;		/* fd list */
	unsigned int *attrs;	/* attribute list */
	unsigned int *crc;
	struct fastrpc_async_job *job; /* async job*/
};

struct fastrpc_ioctl_async_response {
	uint64_t jobid;/* job id generated by user */
	int result; /* result from DSP */
	uint64_t *perf_kernel;
	uint64_t *perf_dsp;
	uint32_t handle;
	uint32_t sc;
};

struct fastrpc_ioctl_notif_rsp {
	int domain;					/* Domain of User PD */
	int session;				/* Session ID of User PD */
	uint32_t status;			/* Status of the process */
};

struct fastrpc_ioctl_invoke2 {
	uint32_t req;       /* type of invocation request */
	uintptr_t invparam; /* invocation request param */
	uint32_t size;      /* size of invocation param */
	int err;            /* reserved */
};

struct fastrpc_ioctl_init {
	uint32_t flags;		/* one of FASTRPC_INIT_* macros */
	uintptr_t file;		/* pointer to elf file */
	uint32_t filelen;	/* elf file length */
	int32_t filefd;		/* ION fd for the file */
	uintptr_t mem;		/* mem for the PD */
	uint32_t memlen;	/* mem length */
	int32_t memfd;		/* ION fd for the mem */
};

struct fastrpc_ioctl_init_attrs {
		struct fastrpc_ioctl_init init;
		int attrs;
		unsigned int siglen;
};

struct fastrpc_ioctl_munmap {
	uintptr_t vaddrout;	/* address to unmap */
	size_t size;		/* size */
};

struct fastrpc_ioctl_munmap_64 {
	uint64_t vaddrout;	/* address to unmap */
	size_t size;		/* size */
};

struct fastrpc_ioctl_mmap {
	int fd;					/* ion fd */
	uint32_t flags;			/* flags for dsp to map with */
	uintptr_t vaddrin;		/* optional virtual address */
	size_t size;			/* size */
	uintptr_t vaddrout;		/* dsps virtual address */
};

struct fastrpc_ioctl_mmap_64 {
	int fd;				/* ion fd */
	uint32_t flags;			/* flags for dsp to map with */
	uint64_t vaddrin;		/* optional virtual address */
	size_t size;			/* size */
	uint64_t vaddrout;		/* dsps virtual address */
};

struct fastrpc_ioctl_munmap_fd {
	int     fd;				/* fd */
	uint32_t  flags;		/* control flags */
	uintptr_t va;			/* va */
	ssize_t  len;			/* length */
};

struct fastrpc_ioctl_dspsignal_create {
	uint32_t signal_id; /* Signal ID */
	uint32_t flags;     /* Flags, currently unused */
};

struct fastrpc_ioctl_dspsignal_destroy {
	uint32_t signal_id; /* Signal ID */
};

struct fastrpc_ioctl_dspsignal_signal {
	uint32_t signal_id; /* Signal ID */
};

struct fastrpc_ioctl_dspsignal_wait {
	uint32_t signal_id;    /* Signal ID */
	uint32_t timeout_usec; /* Timeout in microseconds. UINT32_MAX for an infinite wait */
};

struct fastrpc_ioctl_dspsignal_cancel_wait {
	uint32_t signal_id; /* Signal ID */
};

/* map memory to DSP device */
struct fastrpc_ioctl_mem_map {
	int version;		/* Initial version 0 */
	union {
		struct fastrpc_mem_map m;
		int reserved[MAP_RESERVED_NUM];
	};
};

/* unmap memory to DSP device */
struct fastrpc_ioctl_mem_unmap {
	int version;		/* Initial version 0 */
	union {
		struct fastrpc_mem_unmap um;
		int reserved[UNMAP_RESERVED_NUM];
	};
};

struct fastrpc_ioctl_control {
	uint32_t req;
	union {
		struct fastrpc_ctrl_latency lp;
		struct fastrpc_ctrl_kalloc kalloc;
		struct fastrpc_ctrl_wakelock wp;
		struct fastrpc_ctrl_pm pm;
		struct fastrpc_ctrl_smmu smmu;
	};
};

struct fastrpc_ioctl_capability {
	uint32_t domain;
	uint32_t attribute_ID;
	uint32_t capability;
};

union fastrpc_ioctl_param {
	struct fastrpc_ioctl_invoke_async inv;
	struct fastrpc_ioctl_mem_map mem_map;
	struct fastrpc_ioctl_mem_unmap mem_unmap;
	struct fastrpc_ioctl_mmap mmap;
	struct fastrpc_ioctl_mmap_64 mmap64;
	struct fastrpc_ioctl_munmap munmap;
	struct fastrpc_ioctl_munmap_64 munmap64;
	struct fastrpc_ioctl_munmap_fd munmap_fd;
	struct fastrpc_ioctl_init_attrs init;
	struct fastrpc_ioctl_control cp;
	struct fastrpc_ioctl_capability cap;
	struct fastrpc_ioctl_invoke2 inv2;
	struct fastrpc_ioctl_dspsignal_signal sig;
	struct fastrpc_ioctl_dspsignal_wait wait;
	struct fastrpc_ioctl_dspsignal_create cre;
	struct fastrpc_ioctl_dspsignal_destroy des;
	struct fastrpc_ioctl_dspsignal_cancel_wait canc;
};

#endif