diff options
Diffstat (limited to 'include/services/el3_spmc_logical_sp.h')
-rw-r--r-- | include/services/el3_spmc_logical_sp.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/services/el3_spmc_logical_sp.h b/include/services/el3_spmc_logical_sp.h new file mode 100644 index 0000000..dccd362 --- /dev/null +++ b/include/services/el3_spmc_logical_sp.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef EL3_SP_H +#define EL3_SP_H + +#include <common/bl_common.h> +#include <lib/cassert.h> + +/******************************************************************************* + * Structure definition, typedefs & constants for the Logical SPs. + ******************************************************************************/ + +typedef uint64_t (*direct_msg_handler)(uint32_t smc_fid, bool secure_origin, + uint64_t x1, uint64_t x2, uint64_t x3, + uint64_t x4, void *cookie, void *handle, + uint64_t flags); + +/* Prototype for logical partition initializing function. */ +typedef int32_t (*ffa_partition_init_t)(void); + +/* Logical Partition Descriptor. */ +struct el3_lp_desc { + ffa_partition_init_t init; + uint16_t sp_id; + uint32_t properties; + uint32_t uuid[4]; /* Little Endian. */ + direct_msg_handler direct_req; + const char *debug_name; +}; + +/* Convenience macro to declare a logical partition descriptor. */ +#define DECLARE_LOGICAL_PARTITION(_name, _init, _sp_id, _uuid, _properties, \ + _direct_req) \ + static const struct el3_lp_desc __partition_desc_ ## _name \ + __section(".el3_lp_descs") __used = { \ + .debug_name = #_name, \ + .init = (_init), \ + .sp_id = (_sp_id), \ + .uuid = _uuid, \ + .properties = (_properties), \ + .direct_req = (_direct_req), \ + } + + +/******************************************************************************* + * Function & variable prototypes. + ******************************************************************************/ +int el3_sp_desc_validate(void); + +IMPORT_SYM(uintptr_t, __EL3_LP_DESCS_START__, EL3_LP_DESCS_START); +IMPORT_SYM(uintptr_t, __EL3_LP_DESCS_END__, EL3_LP_DESCS_END); + +#define EL3_LP_DESCS_COUNT ((EL3_LP_DESCS_END - EL3_LP_DESCS_START) \ + / sizeof(struct el3_lp_desc)) + +#endif /* EL3_SP_H */ |