blob: 5b39c4265d08f9570d7d2e32d76bd994fc4e609a [file] [log] [blame]
J-Alves2672cde2020-05-07 18:42:25 +01001/*
Olivier Deprezeae45962021-01-19 15:06:47 +01002 * Copyright (c) 2020-2021, Arm Limited. All rights reserved.
J-Alves2672cde2020-05-07 18:42:25 +01003 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#ifndef FFA_SVC_H
8#define FFA_SVC_H
9
10#include <lib/smccc.h>
11#include <lib/utils_def.h>
12#include <tools_share/uuid.h>
13
14/* FFA error codes. */
J-Alves4c95c702020-05-26 14:03:05 +010015#define FFA_ERROR_NOT_SUPPORTED -1
J-Alves2672cde2020-05-07 18:42:25 +010016#define FFA_ERROR_INVALID_PARAMETER -2
17#define FFA_ERROR_NO_MEMORY -3
18#define FFA_ERROR_BUSY -4
19#define FFA_ERROR_INTERRUPTED -5
20#define FFA_ERROR_DENIED -6
J-Alves4c95c702020-05-26 14:03:05 +010021#define FFA_ERROR_RETRY -7
J-Alves2672cde2020-05-07 18:42:25 +010022
23/* The macros below are used to identify FFA calls from the SMC function ID */
24#define FFA_FNUM_MIN_VALUE U(0x60)
Daniel Boulby27f35df2021-02-03 12:13:19 +000025#define FFA_FNUM_MAX_VALUE U(0x85)
J-Alves2672cde2020-05-07 18:42:25 +010026#define is_ffa_fid(fid) __extension__ ({ \
27 __typeof__(fid) _fid = (fid); \
28 ((GET_SMC_NUM(_fid) >= FFA_FNUM_MIN_VALUE) && \
29 (GET_SMC_NUM(_fid) <= FFA_FNUM_MAX_VALUE)); })
30
31/* FFA_VERSION helpers */
32#define FFA_VERSION_MAJOR U(1)
J-Alves4c95c702020-05-26 14:03:05 +010033#define FFA_VERSION_MAJOR_SHIFT 16
J-Alves2672cde2020-05-07 18:42:25 +010034#define FFA_VERSION_MAJOR_MASK U(0x7FFF)
35#define FFA_VERSION_MINOR U(0)
J-Alves4c95c702020-05-26 14:03:05 +010036#define FFA_VERSION_MINOR_SHIFT 0
J-Alves2672cde2020-05-07 18:42:25 +010037#define FFA_VERSION_MINOR_MASK U(0xFFFF)
J-Alves4c95c702020-05-26 14:03:05 +010038#define FFA_VERSION_BIT31_MASK U(0x1u << 31)
39
J-Alves2672cde2020-05-07 18:42:25 +010040
J-Alves4c95c702020-05-26 14:03:05 +010041#define MAKE_FFA_VERSION(major, minor) \
J-Alves2672cde2020-05-07 18:42:25 +010042 ((((major) & FFA_VERSION_MAJOR_MASK) << FFA_VERSION_MAJOR_SHIFT) | \
43 (((minor) & FFA_VERSION_MINOR_MASK) << FFA_VERSION_MINOR_SHIFT))
44#define FFA_VERSION_COMPILED MAKE_FFA_VERSION(FFA_VERSION_MAJOR, \
45 FFA_VERSION_MINOR)
46
47/* FFA_MSG_SEND helpers */
48#define FFA_MSG_SEND_ATTRS_BLK_SHIFT U(0)
49#define FFA_MSG_SEND_ATTRS_BLK_MASK U(0x1)
50#define FFA_MSG_SEND_ATTRS_BLK U(0)
51#define FFA_MSG_SEND_ATTRS_BLK_NOT U(1)
52#define FFA_MSG_SEND_ATTRS(blk) \
53 (((blk) & FFA_MSG_SEND_ATTRS_BLK_MASK) \
54 << FFA_MSG_SEND_ATTRS_BLK_SHIFT)
55
56/* Get FFA fastcall std FID from function number */
57#define FFA_FID(smc_cc, func_num) \
58 ((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT) | \
59 ((smc_cc) << FUNCID_CC_SHIFT) | \
60 (OEN_STD_START << FUNCID_OEN_SHIFT) | \
61 ((func_num) << FUNCID_NUM_SHIFT))
62
63/* FFA function numbers */
64#define FFA_FNUM_ERROR U(0x60)
65#define FFA_FNUM_SUCCESS U(0x61)
66#define FFA_FNUM_INTERRUPT U(0x62)
67#define FFA_FNUM_VERSION U(0x63)
68#define FFA_FNUM_FEATURES U(0x64)
69#define FFA_FNUM_RX_RELEASE U(0x65)
70#define FFA_FNUM_RXTX_MAP U(0x66)
71#define FFA_FNUM_RXTX_UNMAP U(0x67)
72#define FFA_FNUM_PARTITION_INFO_GET U(0x68)
Daniel Boulby27f35df2021-02-03 12:13:19 +000073#define FFA_FNUM_ID_GET U(0x69)
J-Alves2672cde2020-05-07 18:42:25 +010074#define FFA_FNUM_MSG_POLL U(0x6A)
75#define FFA_FNUM_MSG_WAIT U(0x6B)
76#define FFA_FNUM_MSG_YIELD U(0x6C)
77#define FFA_FNUM_MSG_RUN U(0x6D)
78#define FFA_FNUM_MSG_SEND U(0x6E)
79#define FFA_FNUM_MSG_SEND_DIRECT_REQ U(0x6F)
80#define FFA_FNUM_MSG_SEND_DIRECT_RESP U(0x70)
81#define FFA_FNUM_MEM_DONATE U(0x71)
82#define FFA_FNUM_MEM_LEND U(0x72)
83#define FFA_FNUM_MEM_SHARE U(0x73)
84#define FFA_FNUM_MEM_RETRIEVE_REQ U(0x74)
85#define FFA_FNUM_MEM_RETRIEVE_RESP U(0x75)
86#define FFA_FNUM_MEM_RELINQUISH U(0x76)
87#define FFA_FNUM_MEM_RECLAIM U(0x77)
Olivier Deprezeae45962021-01-19 15:06:47 +010088#define FFA_FNUM_SECONDARY_EP_REGISTER U(0x84)
Daniel Boulby27f35df2021-02-03 12:13:19 +000089#define FFA_FNUM_SPM_ID_GET U(0x85)
J-Alves2672cde2020-05-07 18:42:25 +010090
91/* FFA SMC32 FIDs */
92#define FFA_ERROR FFA_FID(SMC_32, FFA_FNUM_ERROR)
93#define FFA_SUCCESS_SMC32 FFA_FID(SMC_32, FFA_FNUM_SUCCESS)
94#define FFA_INTERRUPT FFA_FID(SMC_32, FFA_FNUM_INTERRUPT)
95#define FFA_VERSION FFA_FID(SMC_32, FFA_FNUM_VERSION)
96#define FFA_FEATURES FFA_FID(SMC_32, FFA_FNUM_FEATURES)
97#define FFA_RX_RELEASE FFA_FID(SMC_32, FFA_FNUM_RX_RELEASE)
98#define FFA_RXTX_MAP_SMC32 FFA_FID(SMC_32, FFA_FNUM_RXTX_MAP)
99#define FFA_RXTX_UNMAP FFA_FID(SMC_32, FFA_FNUM_RXTX_UNMAP)
100#define FFA_PARTITION_INFO_GET FFA_FID(SMC_32, FFA_FNUM_PARTITION_INFO_GET)
101#define FFA_ID_GET FFA_FID(SMC_32, FFA_FNUM_ID_GET)
102#define FFA_MSG_POLL FFA_FID(SMC_32, FFA_FNUM_MSG_POLL)
103#define FFA_MSG_WAIT FFA_FID(SMC_32, FFA_FNUM_MSG_WAIT)
104#define FFA_MSG_YIELD FFA_FID(SMC_32, FFA_FNUM_MSG_YIELD)
105#define FFA_MSG_RUN FFA_FID(SMC_32, FFA_FNUM_MSG_RUN)
106#define FFA_MSG_SEND FFA_FID(SMC_32, FFA_FNUM_MSG_SEND)
107#define FFA_MSG_SEND_DIRECT_REQ_SMC32 \
108 FFA_FID(SMC_32, FFA_FNUM_MSG_SEND_DIRECT_REQ)
109#define FFA_MSG_SEND_DIRECT_RESP_SMC32 \
110 FFA_FID(SMC_32, FFA_FNUM_MSG_SEND_DIRECT_RESP)
111#define FFA_MEM_DONATE_SMC32 FFA_FID(SMC_32, FFA_FNUM_MEM_DONATE)
112#define FFA_MEM_LEND_SMC32 FFA_FID(SMC_32, FFA_FNUM_MEM_LEND)
113#define FFA_MEM_SHARE_SMC32 FFA_FID(SMC_32, FFA_FNUM_MEM_SHARE)
114#define FFA_MEM_RETRIEVE_REQ_SMC32 \
115 FFA_FID(SMC_32, FFA_FNUM_MEM_RETRIEVE_REQ)
116#define FFA_MEM_RETRIEVE_RESP FFA_FID(SMC_32, FFA_FNUM_MEM_RETRIEVE_RESP)
117#define FFA_MEM_RELINQUISH FFA_FID(SMC_32, FFA_FNUM_MEM_RELINQUISH)
118#define FFA_MEM_RECLAIM FFA_FID(SMC_32, FFA_FNUM_MEM_RECLAIM)
Daniel Boulby27f35df2021-02-03 12:13:19 +0000119#define FFA_SPM_ID_GET FFA_FID(SMC_32, FFA_FNUM_SPM_ID_GET)
J-Alves2672cde2020-05-07 18:42:25 +0100120
121/* FFA SMC64 FIDs */
Olivier Deprezeae45962021-01-19 15:06:47 +0100122#define FFA_ERROR_SMC64 FFA_FID(SMC_64, FFA_FNUM_ERROR)
J-Alves2672cde2020-05-07 18:42:25 +0100123#define FFA_SUCCESS_SMC64 FFA_FID(SMC_64, FFA_FNUM_SUCCESS)
124#define FFA_RXTX_MAP_SMC64 FFA_FID(SMC_64, FFA_FNUM_RXTX_MAP)
125#define FFA_MSG_SEND_DIRECT_REQ_SMC64 \
126 FFA_FID(SMC_64, FFA_FNUM_MSG_SEND_DIRECT_REQ)
127#define FFA_MSG_SEND_DIRECT_RESP_SMC64 \
128 FFA_FID(SMC_64, FFA_FNUM_MSG_SEND_DIRECT_RESP)
129#define FFA_MEM_DONATE_SMC64 FFA_FID(SMC_64, FFA_FNUM_MEM_DONATE)
130#define FFA_MEM_LEND_SMC64 FFA_FID(SMC_64, FFA_FNUM_MEM_LEND)
131#define FFA_MEM_SHARE_SMC64 FFA_FID(SMC_64, FFA_FNUM_MEM_SHARE)
132#define FFA_MEM_RETRIEVE_REQ_SMC64 \
133 FFA_FID(SMC_64, FFA_FNUM_MEM_RETRIEVE_REQ)
Olivier Deprezeae45962021-01-19 15:06:47 +0100134#define FFA_SECONDARY_EP_REGISTER_SMC64 \
135 FFA_FID(SMC_64, FFA_FNUM_SECONDARY_EP_REGISTER)
J-Alves2672cde2020-05-07 18:42:25 +0100136
137/*
138 * Reserve a special value for traffic targeted to the Hypervisor or SPM.
139 */
140#define FFA_TARGET_INFO_MBZ U(0x0)
141
142/*
143 * Reserve a special value for MBZ parameters.
144 */
145#define FFA_PARAM_MBZ U(0x0)
146
Olivier Deprezebc34772020-04-16 16:59:21 +0200147/*
148 * Maximum FF-A endpoint id value
149 */
150#define FFA_ENDPOINT_ID_MAX U(1 << 16)
151
152/*
153 * Mask for source and destination endpoint id in
154 * a direct message request/response.
155 */
156#define FFA_DIRECT_MSG_ENDPOINT_ID_MASK U(0xffff)
157
158/*
159 * Bit shift for destination endpoint id in a direct message request/response.
160 */
161#define FFA_DIRECT_MSG_DESTINATION_SHIFT U(0)
162
163/*
164 * Bit shift for source endpoint id in a direct message request/response.
165 */
166#define FFA_DIRECT_MSG_SOURCE_SHIFT U(16)
167
168/******************************************************************************
169 * ffa_endpoint_destination
170 *****************************************************************************/
171static inline uint16_t ffa_endpoint_destination(unsigned int ep)
172{
173 return (ep >> FFA_DIRECT_MSG_DESTINATION_SHIFT) &
174 FFA_DIRECT_MSG_ENDPOINT_ID_MASK;
175}
176
177/******************************************************************************
178 * ffa_endpoint_source
179 *****************************************************************************/
180static inline uint16_t ffa_endpoint_source(unsigned int ep)
181{
182 return (ep >> FFA_DIRECT_MSG_SOURCE_SHIFT) &
183 FFA_DIRECT_MSG_ENDPOINT_ID_MASK;
184}
185
J-Alves2672cde2020-05-07 18:42:25 +0100186#endif /* FFA_SVC_H */