Raghu Krishnamurthy | 7f046c1 | 2023-02-25 13:26:10 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2023, ARM Limited and Contributors. All rights reserved. |
| 3 | * SPDX-License-Identifier: BSD-3-Clause |
| 4 | */ |
| 5 | #ifndef EL3_SPMD_LOGICAL_SP_H |
| 6 | #define EL3_SPMD_LOGICAL_SP_H |
| 7 | |
| 8 | #include <common/bl_common.h> |
| 9 | #include <lib/cassert.h> |
| 10 | #include <services/ffa_svc.h> |
| 11 | |
| 12 | /******************************************************************************* |
| 13 | * Structure definition, typedefs & constants for the SPMD Logical Partitions. |
| 14 | ******************************************************************************/ |
| 15 | |
| 16 | /* Prototype for SPMD logical partition initializing function. */ |
| 17 | typedef int32_t (*ffa_spmd_lp_init_t)(void); |
| 18 | |
| 19 | /* SPMD Logical Partition Descriptor. */ |
| 20 | struct spmd_lp_desc { |
| 21 | ffa_spmd_lp_init_t init; |
| 22 | uint16_t sp_id; |
| 23 | uint32_t properties; |
| 24 | uint32_t uuid[4]; /* Little Endian. */ |
| 25 | const char *debug_name; |
| 26 | }; |
| 27 | |
| 28 | /* Convenience macro to declare a SPMD logical partition descriptor. */ |
| 29 | #define DECLARE_SPMD_LOGICAL_PARTITION(_name, _init, _sp_id, _uuid, _properties) \ |
| 30 | static const struct spmd_lp_desc __partition_desc_ ## _name \ |
| 31 | __section(".spmd_lp_descs") __used = { \ |
| 32 | .debug_name = #_name, \ |
| 33 | .init = (_init), \ |
| 34 | .sp_id = (_sp_id), \ |
| 35 | .uuid = _uuid, \ |
| 36 | .properties = (_properties), \ |
| 37 | } |
| 38 | |
| 39 | IMPORT_SYM(uintptr_t, __SPMD_LP_DESCS_START__, SPMD_LP_DESCS_START); |
| 40 | IMPORT_SYM(uintptr_t, __SPMD_LP_DESCS_END__, SPMD_LP_DESCS_END); |
| 41 | |
| 42 | #define SPMD_LP_DESCS_COUNT ((SPMD_LP_DESCS_END - SPMD_LP_DESCS_START) \ |
| 43 | / sizeof(struct spmd_lp_desc)) |
| 44 | CASSERT(sizeof(struct spmd_lp_desc) == 40, assert_spmd_lp_desc_size_mismatch); |
| 45 | |
| 46 | /* |
| 47 | * Reserve 63 IDs for SPMD Logical Partitions. Currently, 0xFFC0 to 0xFFFE |
| 48 | * is reserved. |
| 49 | */ |
| 50 | #define SPMD_LP_ID_END (SPMD_DIRECT_MSG_ENDPOINT_ID - 1) |
| 51 | #define SPMD_LP_ID_START (SPMD_LP_ID_END - 62) |
| 52 | |
| 53 | static inline bool is_spmd_lp_id(unsigned int id) |
| 54 | { |
| 55 | return (id >= SPMD_LP_ID_START && id <= SPMD_LP_ID_END); |
| 56 | } |
| 57 | |
| 58 | void spmd_logical_sp_set_spmc_initialized(void); |
| 59 | void spmc_logical_sp_set_spmc_failure(void); |
| 60 | |
| 61 | int32_t spmd_logical_sp_init(void); |
| 62 | |
| 63 | #endif /* EL3_SPMD_LOGICAL_SP_H */ |