You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
2.3 KiB
91 lines
2.3 KiB
#ifndef _UAPI_SMCINVOKE_H_
|
|
#define _UAPI_SMCINVOKE_H_
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/ioctl.h>
|
|
|
|
#define SMCINVOKE_USERSPACE_OBJ_NULL -1
|
|
|
|
struct smcinvoke_buf {
|
|
uint64_t addr;
|
|
uint64_t size;
|
|
};
|
|
|
|
struct smcinvoke_obj {
|
|
int64_t fd;
|
|
int32_t cb_server_fd;
|
|
int32_t reserved;
|
|
};
|
|
|
|
union smcinvoke_arg {
|
|
struct smcinvoke_buf b;
|
|
struct smcinvoke_obj o;
|
|
};
|
|
|
|
/*
|
|
* struct smcinvoke_cmd_req: This structure is transparently sent to TEE
|
|
* @op - Operation to be performed
|
|
* @counts - number of aruments passed
|
|
* @result - result of invoke operation
|
|
* @argsize - size of each of arguments
|
|
* @args - args is pointer to buffer having all arguments
|
|
*/
|
|
struct smcinvoke_cmd_req {
|
|
uint32_t op;
|
|
uint32_t counts;
|
|
int32_t result;
|
|
uint32_t argsize;
|
|
uint64_t args;
|
|
};
|
|
|
|
/*
|
|
* struct smcinvoke_accept: structure to process CB req from TEE
|
|
* @has_resp: IN: Whether IOCTL is carrying response data
|
|
* @txn_id: OUT: An id that should be passed as it is for response
|
|
* @result: IN: Outcome of operation op
|
|
* @cbobj_id: OUT: Callback object which is target of operation op
|
|
* @op: OUT: Operation to be performed on target object
|
|
* @counts: OUT: Number of arguments, embedded in buffer pointed by
|
|
* buf_addr, to complete operation
|
|
* @reserved: IN/OUT: Usage is not defined but should be set to 0.
|
|
* @argsize: IN: Size of any argument, all of equal size, embedded
|
|
* in buffer pointed by buf_addr
|
|
* @buf_len: IN: Len of buffer pointed by buf_addr
|
|
* @buf_addr: IN: Buffer containing all arguments which are needed
|
|
* to complete operation op
|
|
*/
|
|
struct smcinvoke_accept {
|
|
uint32_t has_resp;
|
|
uint32_t txn_id;
|
|
int32_t result;
|
|
int32_t cbobj_id;
|
|
uint32_t op;
|
|
uint32_t counts;
|
|
int32_t reserved;
|
|
uint32_t argsize;
|
|
uint64_t buf_len;
|
|
uint64_t buf_addr;
|
|
};
|
|
|
|
/*
|
|
* @cb_buf_size: IN: Max buffer size for any callback obj implemented by client
|
|
*/
|
|
struct smcinvoke_server {
|
|
uint32_t cb_buf_size;
|
|
};
|
|
|
|
#define SMCINVOKE_IOC_MAGIC 0x98
|
|
|
|
#define SMCINVOKE_IOCTL_INVOKE_REQ \
|
|
_IOWR(SMCINVOKE_IOC_MAGIC, 1, struct smcinvoke_cmd_req)
|
|
|
|
#define SMCINVOKE_IOCTL_ACCEPT_REQ \
|
|
_IOWR(SMCINVOKE_IOC_MAGIC, 2, struct smcinvoke_accept)
|
|
|
|
#define SMCINVOKE_IOCTL_SERVER_REQ \
|
|
_IOWR(SMCINVOKE_IOC_MAGIC, 3, struct smcinvoke_server)
|
|
|
|
#define SMCINVOKE_IOCTL_ACK_LOCAL_OBJ \
|
|
_IOWR(SMCINVOKE_IOC_MAGIC, 4, int32_t)
|
|
|
|
#endif /* _UAPI_SMCINVOKE_H_ */
|
|
|