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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/* Copyright (c) 2010-2012 Broadcom. All rights reserved. */
#ifndef VCHIQ_IOCTLS_H
#define VCHIQ_IOCTLS_H
#include <linux/ioctl.h>
#include <linux/raspberrypi/vchiq.h>
#define VCHIQ_IOC_MAGIC 0xc4
#define VCHIQ_INVALID_HANDLE (~0)
struct vchiq_service_params {
int fourcc;
enum vchiq_status __user (*callback)(enum vchiq_reason reason,
struct vchiq_header *header,
unsigned int handle,
void *bulk_userdata);
void __user *userdata;
short version; /* Increment for non-trivial changes */
short version_min; /* Update for incompatible changes */
};
struct vchiq_create_service {
struct vchiq_service_params params;
int is_open;
int is_vchi;
unsigned int handle; /* OUT */
};
struct vchiq_queue_message {
unsigned int handle;
unsigned int count;
const struct vchiq_element __user *elements;
};
struct vchiq_queue_bulk_transfer {
unsigned int handle;
void __user *data;
unsigned int size;
void __user *userdata;
enum vchiq_bulk_mode mode;
};
struct vchiq_completion_data {
enum vchiq_reason reason;
struct vchiq_header __user *header;
void __user *service_userdata;
void __user *bulk_userdata;
};
struct vchiq_await_completion {
unsigned int count;
struct vchiq_completion_data __user *buf;
unsigned int msgbufsize;
unsigned int msgbufcount; /* IN/OUT */
void * __user *msgbufs;
};
struct vchiq_dequeue_message {
unsigned int handle;
int blocking;
unsigned int bufsize;
void __user *buf;
};
struct vchiq_get_config {
unsigned int config_size;
struct vchiq_config __user *pconfig;
};
struct vchiq_set_service_option {
unsigned int handle;
enum vchiq_service_option option;
int value;
};
struct vchiq_dump_mem {
void __user *virt_addr;
size_t num_bytes;
};
#define VCHIQ_IOC_CONNECT _IO(VCHIQ_IOC_MAGIC, 0)
#define VCHIQ_IOC_SHUTDOWN _IO(VCHIQ_IOC_MAGIC, 1)
#define VCHIQ_IOC_CREATE_SERVICE \
_IOWR(VCHIQ_IOC_MAGIC, 2, struct vchiq_create_service)
#define VCHIQ_IOC_REMOVE_SERVICE _IO(VCHIQ_IOC_MAGIC, 3)
#define VCHIQ_IOC_QUEUE_MESSAGE \
_IOW(VCHIQ_IOC_MAGIC, 4, struct vchiq_queue_message)
#define VCHIQ_IOC_QUEUE_BULK_TRANSMIT \
_IOWR(VCHIQ_IOC_MAGIC, 5, struct vchiq_queue_bulk_transfer)
#define VCHIQ_IOC_QUEUE_BULK_RECEIVE \
_IOWR(VCHIQ_IOC_MAGIC, 6, struct vchiq_queue_bulk_transfer)
#define VCHIQ_IOC_AWAIT_COMPLETION \
_IOWR(VCHIQ_IOC_MAGIC, 7, struct vchiq_await_completion)
#define VCHIQ_IOC_DEQUEUE_MESSAGE \
_IOWR(VCHIQ_IOC_MAGIC, 8, struct vchiq_dequeue_message)
#define VCHIQ_IOC_GET_CLIENT_ID _IO(VCHIQ_IOC_MAGIC, 9)
#define VCHIQ_IOC_GET_CONFIG \
_IOWR(VCHIQ_IOC_MAGIC, 10, struct vchiq_get_config)
#define VCHIQ_IOC_CLOSE_SERVICE _IO(VCHIQ_IOC_MAGIC, 11)
#define VCHIQ_IOC_USE_SERVICE _IO(VCHIQ_IOC_MAGIC, 12)
#define VCHIQ_IOC_RELEASE_SERVICE _IO(VCHIQ_IOC_MAGIC, 13)
#define VCHIQ_IOC_SET_SERVICE_OPTION \
_IOW(VCHIQ_IOC_MAGIC, 14, struct vchiq_set_service_option)
#define VCHIQ_IOC_DUMP_PHYS_MEM \
_IOW(VCHIQ_IOC_MAGIC, 15, struct vchiq_dump_mem)
#define VCHIQ_IOC_LIB_VERSION _IO(VCHIQ_IOC_MAGIC, 16)
#define VCHIQ_IOC_CLOSE_DELIVERED _IO(VCHIQ_IOC_MAGIC, 17)
#define VCHIQ_IOC_MAX 17
#endif
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