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Achin Gupta7c88f3f2014-02-18 18:09:12 +00001/*
2 * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef __TSP_H__
32#define __TSP_H__
33
Achin Gupta7c88f3f2014-02-18 18:09:12 +000034/*
35 * SMC function IDs that TSP uses to signal various forms of completions
36 * to the secure payload dispatcher.
37 */
38#define TSP_ENTRY_DONE 0xf2000000
39#define TSP_ON_DONE 0xf2000001
40#define TSP_OFF_DONE 0xf2000002
41#define TSP_SUSPEND_DONE 0xf2000003
42#define TSP_RESUME_DONE 0xf2000004
Soby Mathew9f71f702014-05-09 20:49:17 +010043#define TSP_PREEMPTED 0xf2000005
Juan Castillo4dc4a472014-08-12 11:17:06 +010044#define TSP_SYSTEM_OFF_DONE 0xf2000008
45#define TSP_SYSTEM_RESET_DONE 0xf2000009
Achin Gupta7c88f3f2014-02-18 18:09:12 +000046
Achin Gupta76717892014-05-09 11:42:56 +010047/*
48 * Function identifiers to handle FIQs through the synchronous handling model.
49 * If the TSP was previously interrupted then control has to be returned to
50 * the TSPD after handling the interrupt else execution can remain in the TSP.
51 */
52#define TSP_HANDLED_S_EL1_FIQ 0xf2000006
53#define TSP_EL3_FIQ 0xf2000007
Achin Gupta76717892014-05-09 11:42:56 +010054
55/* SMC function ID that TSP uses to request service from secure monitor */
Achin Gupta7c88f3f2014-02-18 18:09:12 +000056#define TSP_GET_ARGS 0xf2001000
57
Soby Mathew9f71f702014-05-09 20:49:17 +010058/*
59 * Identifiers for various TSP services. Corresponding function IDs (whether
60 * fast or standard) are generated by macros defined below
61 */
62#define TSP_ADD 0x2000
63#define TSP_SUB 0x2001
64#define TSP_MUL 0x2002
65#define TSP_DIV 0x2003
66#define TSP_HANDLE_FIQ_AND_RETURN 0x2004
67
68/*
69 * Generate function IDs for TSP services to be used in SMC calls, by
70 * appropriately setting bit 31 to differentiate standard and fast SMC calls
71 */
72#define TSP_STD_FID(fid) ((fid) | 0x72000000 | (0 << 31))
73#define TSP_FAST_FID(fid) ((fid) | 0x72000000 | (1 << 31))
74
75/* SMC function ID to request a previously preempted std smc */
76#define TSP_FID_RESUME TSP_STD_FID(0x3000)
77
78/*
79 * Identify a TSP service from function ID filtering the last 16 bits from the
80 * SMC function ID
81 */
82#define TSP_BARE_FID(fid) ((fid) & 0xffff)
Achin Gupta7c88f3f2014-02-18 18:09:12 +000083
Jeenu Viswambharandf1ddb52014-02-28 11:23:35 +000084/*
85 * Total number of function IDs implemented for services offered to NS clients.
86 * The function IDs are defined above
87 */
88#define TSP_NUM_FID 0x4
89
90/* TSP implementation version numbers */
91#define TSP_VERSION_MAJOR 0x0 /* Major version */
92#define TSP_VERSION_MINOR 0x1 /* Minor version */
93
94/*
95 * Standard Trusted OS Function IDs that fall under Trusted OS call range
96 * according to SMC calling convention
97 */
98#define TOS_CALL_COUNT 0xbf00ff00 /* Number of calls implemented */
99#define TOS_UID 0xbf00ff01 /* Implementation UID */
100/* 0xbf00ff02 is reserved */
101#define TOS_CALL_VERSION 0xbf00ff03 /* Trusted OS Call Version */
102
Achin Gupta7c88f3f2014-02-18 18:09:12 +0000103
104#ifndef __ASSEMBLY__
Dan Handley2bd4ef22014-04-09 13:14:54 +0100105
Achin Gupta7c88f3f2014-02-18 18:09:12 +0000106#include <stdint.h>
107
Dan Handleye2c27f52014-08-01 17:58:27 +0100108
Andrew Thoelke891c4ca2014-05-20 21:43:27 +0100109typedef uint32_t tsp_vector_isn_t;
Achin Gupta7c88f3f2014-02-18 18:09:12 +0000110
Andrew Thoelke891c4ca2014-05-20 21:43:27 +0100111typedef struct tsp_vectors {
112 tsp_vector_isn_t std_smc_entry;
113 tsp_vector_isn_t fast_smc_entry;
114 tsp_vector_isn_t cpu_on_entry;
115 tsp_vector_isn_t cpu_off_entry;
116 tsp_vector_isn_t cpu_resume_entry;
117 tsp_vector_isn_t cpu_suspend_entry;
118 tsp_vector_isn_t fiq_entry;
Juan Castillo4dc4a472014-08-12 11:17:06 +0100119 tsp_vector_isn_t system_off_entry;
120 tsp_vector_isn_t system_reset_entry;
Andrew Thoelke891c4ca2014-05-20 21:43:27 +0100121} tsp_vectors_t;
Achin Gupta7c88f3f2014-02-18 18:09:12 +0000122
Andrew Thoelke891c4ca2014-05-20 21:43:27 +0100123
Achin Gupta7c88f3f2014-02-18 18:09:12 +0000124#endif /* __ASSEMBLY__ */
125
Dan Handleye2c27f52014-08-01 17:58:27 +0100126#endif /* __TSP_H__ */