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Diffstat (limited to 'include/services/sprt_svc.h')
| -rw-r--r-- | include/services/sprt_svc.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/services/sprt_svc.h b/include/services/sprt_svc.h new file mode 100644 index 00000000..ccc4eb3a --- /dev/null +++ b/include/services/sprt_svc.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2018, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SPRT_SVC_H +#define SPRT_SVC_H + +#include <smccc.h> +#include <utils_def.h> + +/* SPRT_VERSION helpers */ + +#define SPRT_VERSION_MAJOR U(0) +#define SPRT_VERSION_MAJOR_SHIFT 16 +#define SPRT_VERSION_MAJOR_MASK U(0x7FFF) +#define SPRT_VERSION_MINOR U(1) +#define SPRT_VERSION_MINOR_SHIFT 0 +#define SPRT_VERSION_MINOR_MASK U(0xFFFF) +#define SPRT_VERSION_FORM(major, minor) ((((major) & SPRT_VERSION_MAJOR_MASK) \ + << SPRT_VERSION_MAJOR_SHIFT) | \ + ((minor) & SPRT_VERSION_MINOR_MASK)) +#define SPRT_VERSION_COMPILED SPRT_VERSION_FORM(SPRT_VERSION_MAJOR, \ + SPRT_VERSION_MINOR) + +/* SPRT function IDs */ + +#define SPRT_FID_VERSION U(0x0) +#define SPRT_FID_PUT_RESPONSE U(0x1) +#define SPRT_FID_YIELD U(0x5) +#define SPRT_FID_PANIC U(0x7) +#define SPRT_FID_MEMORY_PERM_ATTR_GET U(0xB) +#define SPRT_FID_MEMORY_PERM_ATTR_SET U(0xC) + +#define SPRT_FID_MASK U(0xFF) + +/* Definitions to build the complete SMC ID */ + +#define SPRT_SMC_64(sprt_fid) ((FUNCID_NAMESPACE_SPRT << FUNCID_NAMESPACE_SHIFT) | \ + (U(1) << 31) | ((sprt_fid) & SPRT_FID_MASK) | \ + (SMC_64 << FUNCID_CC_SHIFT)) +#define SPRT_SMC_32(sprt_fid) ((FUNCID_NAMESPACE_SPRT << FUNCID_NAMESPACE_SHIFT) | \ + (U(1) << 31) | ((sprt_fid) & SPRT_FID_MASK) | \ + (SMC_32 << FUNCID_CC_SHIFT)) + +/* Complete SMC IDs */ + +#define SPRT_VERSION SPRT_SMC_32(SPRT_FID_VERSION) +#define SPRT_PUT_RESPONSE_AARCH64 SPRT_SMC_64(SPRT_FID_PUT_RESPONSE) +#define SPRT_YIELD_AARCH64 SPRT_SMC_64(SPRT_FID_YIELD) +#define SPRT_PANIC_AARCH64 SPRT_SMC_64(SPRT_FID_PANIC) +#define SPRT_MEMORY_PERM_ATTR_GET_AARCH64 SPRT_SMC_64(SPRT_FID_MEMORY_PERM_ATTR_GET) +#define SPRT_MEMORY_PERM_ATTR_SET_AARCH64 SPRT_SMC_64(SPRT_FID_MEMORY_PERM_ATTR_SET) + +/* SPRT error codes. */ + +#define SPRT_SUCCESS 0 +#define SPRT_NOT_SUPPORTED -1 +#define SPRT_INVALID_PARAMETER -2 + +#endif /* SPRT_SVC_H */ |