1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2021 SUSE LLC <mdoucha@suse.cz> 4 * 5 * Minimal test library for KVM tests 6 */ 7 8 #ifndef KVM_GUEST_H_ 9 #define KVM_GUEST_H_ 10 11 /* The main LTP include dir is intentionally excluded during payload build */ 12 #include "../../../../include/tst_res_flags.h" 13 #undef TERRNO 14 #undef TTERRNO 15 #undef TRERRNO 16 17 #define TST_TEST_TCONF(message) \ 18 void main(void) { tst_brk(TCONF, message); } 19 20 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) 21 22 /* Round x up to the next multiple of a. 23 * a must be a power of 2. 24 */ 25 #define LTP_ALIGN(x, a) __LTP_ALIGN_MASK((x), (typeof(x))(a) - 1) 26 #define __LTP_ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask)) 27 28 #define INTERRUPT_COUNT 32 29 30 typedef unsigned long size_t; 31 typedef long ssize_t; 32 33 typedef signed char int8_t; 34 typedef unsigned char uint8_t; 35 typedef short int16_t; 36 typedef unsigned short uint16_t; 37 typedef int int32_t; 38 typedef unsigned int uint32_t; 39 typedef long long int64_t; 40 typedef unsigned long long uint64_t; 41 typedef unsigned long uintptr_t; 42 43 #define NULL ((void *)0) 44 45 void *memset(void *dest, int val, size_t size); 46 void *memzero(void *dest, size_t size); 47 void *memcpy(void *dest, const void *src, size_t size); 48 49 char *strcpy(char *dest, const char *src); 50 char *strcat(char *dest, const char *src); 51 size_t strlen(const char *str); 52 53 /* Exit the VM by looping on a HLT instruction forever */ 54 void kvm_exit(void) __attribute__((noreturn)); 55 56 /* Exit the VM using the HLT instruction but allow resume */ 57 void kvm_yield(void); 58 59 void tst_res_(const char *file, const int lineno, int result, 60 const char *message); 61 #define tst_res(result, msg) tst_res_(__FILE__, __LINE__, (result), (msg)) 62 63 void tst_brk_(const char *file, const int lineno, int result, 64 const char *message) __attribute__((noreturn)); 65 #define tst_brk(result, msg) tst_brk_(__FILE__, __LINE__, (result), (msg)) 66 67 void *tst_heap_alloc_aligned(size_t size, size_t align); 68 void *tst_heap_alloc(size_t size); 69 70 /* Arch dependent: */ 71 72 struct kvm_interrupt_frame; 73 74 typedef int (*tst_interrupt_callback)(void *userdata, 75 struct kvm_interrupt_frame *ifrm, unsigned long errcode); 76 77 extern const char *tst_interrupt_names[INTERRUPT_COUNT]; 78 79 void tst_set_interrupt_callback(unsigned int vector, 80 tst_interrupt_callback func, void *userdata); 81 82 /* Get the instruction pointer from interrupt frame */ 83 uintptr_t kvm_get_interrupt_ip(const struct kvm_interrupt_frame *ifrm); 84 85 #endif /* KVM_GUEST_H_ */ 86