1e62748e3SManish V Badarkhe /* 2e62748e3SManish V Badarkhe * Copyright (c) 2022 Arm Limited. All rights reserved. 3e62748e3SManish V Badarkhe * 4e62748e3SManish V Badarkhe * SPDX-License-Identifier: BSD-3-Clause 5e62748e3SManish V Badarkhe * 6e62748e3SManish V Badarkhe */ 7e62748e3SManish V Badarkhe #ifndef DRTM_MAIN_H 8e62748e3SManish V Badarkhe #define DRTM_MAIN_H 9e62748e3SManish V Badarkhe 10e62748e3SManish V Badarkhe #include <stdint.h> 11e62748e3SManish V Badarkhe 1240e1fad6SManish Pandey #include <assert.h> 13e62748e3SManish V Badarkhe #include <lib/smccc.h> 14e62748e3SManish V Badarkhe 15d54792bdSManish V Badarkhe #include "drtm_dma_prot.h" 16d54792bdSManish V Badarkhe 1740e1fad6SManish Pandey #define ALIGNED_UP(x, a) __extension__ ({ \ 1840e1fad6SManish Pandey __typeof__(a) _a = (a); \ 1940e1fad6SManish Pandey __typeof__(a) _one = 1; \ 2040e1fad6SManish Pandey assert(IS_POWER_OF_TWO(_a)); \ 2140e1fad6SManish Pandey ((x) + (_a - _one)) & ~(_a - _one); \ 2240e1fad6SManish Pandey }) 2340e1fad6SManish Pandey 2440e1fad6SManish Pandey #define ALIGNED_DOWN(x, a) __extension__ ({ \ 2540e1fad6SManish Pandey __typeof__(a) _a = (a); \ 2640e1fad6SManish Pandey __typeof__(a) _one = 1; \ 2740e1fad6SManish Pandey assert(IS_POWER_OF_TWO(_a)); \ 2840e1fad6SManish Pandey (x) & ~(_a - _one); \ 2940e1fad6SManish Pandey }) 3040e1fad6SManish Pandey 3140e1fad6SManish Pandey #define DRTM_PAGE_SIZE (4 * (1 << 10)) 3240e1fad6SManish Pandey #define DRTM_PAGE_SIZE_STR "4-KiB" 3340e1fad6SManish Pandey 34*40814266SManish V Badarkhe #define DL_ARGS_GET_PCR_SCHEMA(a) (((a)->features >> 1) & 0x3U) 35*40814266SManish V Badarkhe #define DL_ARGS_GET_DLME_ENTRY_POINT(a) \ 36*40814266SManish V Badarkhe (((a)->dlme_paddr + (a)->dlme_img_off + (a)->dlme_img_ep_off)) 37*40814266SManish V Badarkhe 38e62748e3SManish V Badarkhe enum drtm_retc { 39e62748e3SManish V Badarkhe SUCCESS = SMC_OK, 40e62748e3SManish V Badarkhe NOT_SUPPORTED = SMC_UNK, 41e62748e3SManish V Badarkhe INVALID_PARAMETERS = -2, 42e62748e3SManish V Badarkhe DENIED = -3, 43e62748e3SManish V Badarkhe NOT_FOUND = -4, 44e62748e3SManish V Badarkhe INTERNAL_ERROR = -5, 45e62748e3SManish V Badarkhe MEM_PROTECT_INVALID = -6, 46e62748e3SManish V Badarkhe }; 47e62748e3SManish V Badarkhe 482a1cdee4Sjohpow01 typedef struct { 492a1cdee4Sjohpow01 uint64_t tpm_features; 502a1cdee4Sjohpow01 uint64_t minimum_memory_requirement; 512a1cdee4Sjohpow01 uint64_t dma_prot_features; 522a1cdee4Sjohpow01 uint64_t boot_pe_id; 532a1cdee4Sjohpow01 uint64_t tcb_hash_features; 542a1cdee4Sjohpow01 } drtm_features_t; 552a1cdee4Sjohpow01 5640e1fad6SManish Pandey struct __packed drtm_dl_args_v1 { 5740e1fad6SManish Pandey uint16_t version; /* Must be 1. */ 5840e1fad6SManish Pandey uint8_t __res[2]; 5940e1fad6SManish Pandey uint32_t features; 6040e1fad6SManish Pandey uint64_t dlme_paddr; 6140e1fad6SManish Pandey uint64_t dlme_size; 6240e1fad6SManish Pandey uint64_t dlme_img_off; 6340e1fad6SManish Pandey uint64_t dlme_img_ep_off; 6440e1fad6SManish Pandey uint64_t dlme_img_size; 6540e1fad6SManish Pandey uint64_t dlme_data_off; 6640e1fad6SManish Pandey uint64_t dce_nwd_paddr; 6740e1fad6SManish Pandey uint64_t dce_nwd_size; 6840e1fad6SManish Pandey drtm_dl_dma_prot_args_v1_t dma_prot_args; 6940e1fad6SManish Pandey } __aligned(__alignof(uint16_t /* First member's type, `uint16_t version' */)); 7040e1fad6SManish Pandey 712a1cdee4Sjohpow01 drtm_memory_region_descriptor_table_t *drtm_build_address_map(void); 722a1cdee4Sjohpow01 uint64_t drtm_get_address_map_size(void); 732a1cdee4Sjohpow01 7440e1fad6SManish Pandey /* 7540e1fad6SManish Pandey * Version-independent type. May be used to avoid excessive line of code 7640e1fad6SManish Pandey * changes when migrating to new struct versions. 7740e1fad6SManish Pandey */ 7840e1fad6SManish Pandey typedef struct drtm_dl_args_v1 struct_drtm_dl_args; 7940e1fad6SManish Pandey 80e62748e3SManish V Badarkhe #endif /* DRTM_MAIN_H */ 81