1 /* 2 * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef __TSP_PRIVATE_H__ 8 #define __TSP_PRIVATE_H__ 9 10 /* Definitions to help the assembler access the SMC/ERET args structure */ 11 #define TSP_ARGS_SIZE 0x40 12 #define TSP_ARG0 0x0 13 #define TSP_ARG1 0x8 14 #define TSP_ARG2 0x10 15 #define TSP_ARG3 0x18 16 #define TSP_ARG4 0x20 17 #define TSP_ARG5 0x28 18 #define TSP_ARG6 0x30 19 #define TSP_ARG7 0x38 20 #define TSP_ARGS_END 0x40 21 22 23 #ifndef __ASSEMBLY__ 24 25 #include <cassert.h> 26 #include <platform_def.h> /* For CACHE_WRITEBACK_GRANULE */ 27 #include <spinlock.h> 28 #include <stdint.h> 29 #include <tsp.h> 30 31 32 typedef struct work_statistics { 33 /* Number of s-el1 interrupts on this cpu */ 34 uint32_t sel1_intr_count; 35 /* Number of non s-el1 interrupts on this cpu which preempted TSP */ 36 uint32_t preempt_intr_count; 37 /* Number of sync s-el1 interrupts on this cpu */ 38 uint32_t sync_sel1_intr_count; 39 /* Number of s-el1 interrupts returns on this cpu */ 40 uint32_t sync_sel1_intr_ret_count; 41 uint32_t smc_count; /* Number of returns on this cpu */ 42 uint32_t eret_count; /* Number of entries on this cpu */ 43 uint32_t cpu_on_count; /* Number of cpu on requests */ 44 uint32_t cpu_off_count; /* Number of cpu off requests */ 45 uint32_t cpu_suspend_count; /* Number of cpu suspend requests */ 46 uint32_t cpu_resume_count; /* Number of cpu resume requests */ 47 } __aligned(CACHE_WRITEBACK_GRANULE) work_statistics_t; 48 49 typedef struct tsp_args { 50 uint64_t _regs[TSP_ARGS_END >> 3]; 51 } __aligned(CACHE_WRITEBACK_GRANULE) tsp_args_t; 52 53 /* Macros to access members of the above structure using their offsets */ 54 #define read_sp_arg(args, offset) ((args)->_regs[offset >> 3]) 55 #define write_sp_arg(args, offset, val) (((args)->_regs[offset >> 3]) \ 56 = val) 57 /* 58 * Ensure that the assembler's view of the size of the tsp_args is the 59 * same as the compilers 60 */ 61 CASSERT(TSP_ARGS_SIZE == sizeof(tsp_args_t), assert_sp_args_size_mismatch); 62 63 void tsp_get_magic(uint64_t args[4]); 64 65 tsp_args_t *tsp_cpu_resume_main(uint64_t arg0, 66 uint64_t arg1, 67 uint64_t arg2, 68 uint64_t arg3, 69 uint64_t arg4, 70 uint64_t arg5, 71 uint64_t arg6, 72 uint64_t arg7); 73 tsp_args_t *tsp_cpu_suspend_main(uint64_t arg0, 74 uint64_t arg1, 75 uint64_t arg2, 76 uint64_t arg3, 77 uint64_t arg4, 78 uint64_t arg5, 79 uint64_t arg6, 80 uint64_t arg7); 81 tsp_args_t *tsp_cpu_on_main(void); 82 tsp_args_t *tsp_cpu_off_main(uint64_t arg0, 83 uint64_t arg1, 84 uint64_t arg2, 85 uint64_t arg3, 86 uint64_t arg4, 87 uint64_t arg5, 88 uint64_t arg6, 89 uint64_t arg7); 90 91 /* Generic Timer functions */ 92 void tsp_generic_timer_start(void); 93 void tsp_generic_timer_handler(void); 94 void tsp_generic_timer_stop(void); 95 void tsp_generic_timer_save(void); 96 void tsp_generic_timer_restore(void); 97 98 /* S-EL1 interrupt management functions */ 99 void tsp_update_sync_sel1_intr_stats(uint32_t type, uint64_t elr_el3); 100 101 102 /* Data structure to keep track of TSP statistics */ 103 extern spinlock_t console_lock; 104 extern work_statistics_t tsp_stats[PLATFORM_CORE_COUNT]; 105 106 /* Vector table of jumps */ 107 extern tsp_vectors_t tsp_vector_table; 108 109 110 #endif /* __ASSEMBLY__ */ 111 112 #endif /* __TSP_PRIVATE_H__ */ 113 114