xref: /arm-trusted-firmware/drivers/arm/rss/rss_comms_protocol_pointer_access.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2022, Arm Limited. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  *
6*91f16700Schasinglulu  */
7*91f16700Schasinglulu 
8*91f16700Schasinglulu #ifndef __RSS_COMMS_PROTOCOL_POINTER_ACCESS_H__
9*91f16700Schasinglulu #define __RSS_COMMS_PROTOCOL_POINTER_ACCESS_H__
10*91f16700Schasinglulu 
11*91f16700Schasinglulu #include <cdefs.h>
12*91f16700Schasinglulu 
13*91f16700Schasinglulu #include <psa/client.h>
14*91f16700Schasinglulu 
15*91f16700Schasinglulu struct __packed rss_pointer_access_msg_t {
16*91f16700Schasinglulu 	psa_handle_t handle;
17*91f16700Schasinglulu 	uint32_t ctrl_param;
18*91f16700Schasinglulu 	uint32_t io_sizes[PSA_MAX_IOVEC];
19*91f16700Schasinglulu 	uint64_t host_ptrs[PSA_MAX_IOVEC];
20*91f16700Schasinglulu };
21*91f16700Schasinglulu 
22*91f16700Schasinglulu struct __packed rss_pointer_access_reply_t {
23*91f16700Schasinglulu 	int32_t return_val;
24*91f16700Schasinglulu 	uint32_t out_sizes[PSA_MAX_IOVEC];
25*91f16700Schasinglulu };
26*91f16700Schasinglulu 
27*91f16700Schasinglulu psa_status_t rss_protocol_pointer_access_serialize_msg(psa_handle_t handle,
28*91f16700Schasinglulu 						       int16_t type,
29*91f16700Schasinglulu 						       const psa_invec *in_vec,
30*91f16700Schasinglulu 						       uint8_t in_len,
31*91f16700Schasinglulu 						       const psa_outvec *out_vec,
32*91f16700Schasinglulu 						       uint8_t out_len,
33*91f16700Schasinglulu 						       struct rss_pointer_access_msg_t *msg,
34*91f16700Schasinglulu 						       size_t *msg_len);
35*91f16700Schasinglulu 
36*91f16700Schasinglulu psa_status_t rss_protocol_pointer_access_deserialize_reply(psa_outvec *out_vec,
37*91f16700Schasinglulu 							   uint8_t out_len,
38*91f16700Schasinglulu 							   psa_status_t *return_val,
39*91f16700Schasinglulu 							   const struct rss_pointer_access_reply_t *reply,
40*91f16700Schasinglulu 							   size_t reply_size);
41*91f16700Schasinglulu 
42*91f16700Schasinglulu #endif /* __RSS_COMMS_PROTOCOL_POINTER_ACCESS_H__ */
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