From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- services/std_svc/rmmd/rmmd_private.h | 63 ++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 services/std_svc/rmmd/rmmd_private.h (limited to 'services/std_svc/rmmd/rmmd_private.h') diff --git a/services/std_svc/rmmd/rmmd_private.h b/services/std_svc/rmmd/rmmd_private.h new file mode 100644 index 0000000..4954a43 --- /dev/null +++ b/services/std_svc/rmmd/rmmd_private.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2021-2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef RMMD_PRIVATE_H +#define RMMD_PRIVATE_H + +#include + +/******************************************************************************* + * Constants that allow assembler code to preserve callee-saved registers of the + * C runtime context while performing a security state switch. + ******************************************************************************/ +#define RMMD_C_RT_CTX_X19 0x0 +#define RMMD_C_RT_CTX_X20 0x8 +#define RMMD_C_RT_CTX_X21 0x10 +#define RMMD_C_RT_CTX_X22 0x18 +#define RMMD_C_RT_CTX_X23 0x20 +#define RMMD_C_RT_CTX_X24 0x28 +#define RMMD_C_RT_CTX_X25 0x30 +#define RMMD_C_RT_CTX_X26 0x38 +#define RMMD_C_RT_CTX_X27 0x40 +#define RMMD_C_RT_CTX_X28 0x48 +#define RMMD_C_RT_CTX_X29 0x50 +#define RMMD_C_RT_CTX_X30 0x58 + +#define RMMD_C_RT_CTX_SIZE 0x60 +#define RMMD_C_RT_CTX_ENTRIES (RMMD_C_RT_CTX_SIZE >> DWORD_SHIFT) + +#ifndef __ASSEMBLER__ +#include + +/* + * Data structure used by the RMM dispatcher (RMMD) in EL3 to track context of + * the RMM at R-EL2. + */ +typedef struct rmmd_rmm_context { + uint64_t c_rt_ctx; + cpu_context_t cpu_ctx; +} rmmd_rmm_context_t; + +/* Functions used to enter/exit the RMM synchronously */ +uint64_t rmmd_rmm_sync_entry(rmmd_rmm_context_t *ctx); +__dead2 void rmmd_rmm_sync_exit(uint64_t rc); + +/* Functions implementing attestation utilities for RMM */ +int rmmd_attest_get_platform_token(uint64_t buf_pa, uint64_t *buf_size, + uint64_t c_size); +int rmmd_attest_get_signing_key(uint64_t buf_pa, uint64_t *buf_size, + uint64_t ecc_curve); + +/* Assembly helpers */ +uint64_t rmmd_rmm_enter(uint64_t *c_rt_ctx); +void __dead2 rmmd_rmm_exit(uint64_t c_rt_ctx, uint64_t ret); + +/* Reference to PM ops for the RMMD */ +extern const spd_pm_ops_t rmmd_pm; + +#endif /* __ASSEMBLER__ */ + +#endif /* RMMD_PRIVATE_H */ -- cgit v1.2.3