diff options
Diffstat (limited to 'tools/testing/selftests/kvm/include/ucall_common.h')
| -rw-r--r-- | tools/testing/selftests/kvm/include/ucall_common.h | 112 |
1 files changed, 52 insertions, 60 deletions
diff --git a/tools/testing/selftests/kvm/include/ucall_common.h b/tools/testing/selftests/kvm/include/ucall_common.h index 1a6aaef5ccae..d9d6581b8d4f 100644 --- a/tools/testing/selftests/kvm/include/ucall_common.h +++ b/tools/testing/selftests/kvm/include/ucall_common.h @@ -1,27 +1,29 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * tools/testing/selftests/kvm/include/kvm_util.h - * * Copyright (C) 2018, Google LLC. */ #ifndef SELFTEST_KVM_UCALL_COMMON_H #define SELFTEST_KVM_UCALL_COMMON_H #include "test_util.h" +#include "ucall.h" /* Common ucalls */ enum { UCALL_NONE, UCALL_SYNC, UCALL_ABORT, + UCALL_PRINTF, UCALL_DONE, UCALL_UNHANDLED, }; #define UCALL_MAX_ARGS 7 +#define UCALL_BUFFER_LEN 1024 struct ucall { uint64_t cmd; uint64_t args[UCALL_MAX_ARGS]; + char buffer[UCALL_BUFFER_LEN]; /* Host virtual address of this struct. */ struct ucall *hva; @@ -32,8 +34,13 @@ void ucall_arch_do_ucall(vm_vaddr_t uc); void *ucall_arch_get_ucall(struct kvm_vcpu *vcpu); void ucall(uint64_t cmd, int nargs, ...); +__printf(2, 3) void ucall_fmt(uint64_t cmd, const char *fmt, ...); +__printf(5, 6) void ucall_assert(uint64_t cmd, const char *exp, + const char *file, unsigned int line, + const char *fmt, ...); uint64_t get_ucall(struct kvm_vcpu *vcpu, struct ucall *uc); void ucall_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa); +int ucall_nr_pages_required(uint64_t page_size); /* * Perform userspace call without any associated data. This bare call avoids @@ -46,8 +53,22 @@ void ucall_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa); #define GUEST_SYNC_ARGS(stage, arg1, arg2, arg3, arg4) \ ucall(UCALL_SYNC, 6, "hello", stage, arg1, arg2, arg3, arg4) #define GUEST_SYNC(stage) ucall(UCALL_SYNC, 2, "hello", stage) +#define GUEST_SYNC1(arg0) ucall(UCALL_SYNC, 1, arg0) +#define GUEST_SYNC2(arg0, arg1) ucall(UCALL_SYNC, 2, arg0, arg1) +#define GUEST_SYNC3(arg0, arg1, arg2) \ + ucall(UCALL_SYNC, 3, arg0, arg1, arg2) +#define GUEST_SYNC4(arg0, arg1, arg2, arg3) \ + ucall(UCALL_SYNC, 4, arg0, arg1, arg2, arg3) +#define GUEST_SYNC5(arg0, arg1, arg2, arg3, arg4) \ + ucall(UCALL_SYNC, 5, arg0, arg1, arg2, arg3, arg4) +#define GUEST_SYNC6(arg0, arg1, arg2, arg3, arg4, arg5) \ + ucall(UCALL_SYNC, 6, arg0, arg1, arg2, arg3, arg4, arg5) + +#define GUEST_PRINTF(_fmt, _args...) ucall_fmt(UCALL_PRINTF, _fmt, ##_args) #define GUEST_DONE() ucall(UCALL_DONE, 0) +#define REPORT_GUEST_PRINTF(ucall) pr_info("%s", (ucall).buffer) + enum guest_assert_builtin_args { GUEST_ERROR_STRING, GUEST_FILE, @@ -55,70 +76,41 @@ enum guest_assert_builtin_args { GUEST_ASSERT_BUILTIN_NARGS }; -#define __GUEST_ASSERT(_condition, _condstr, _nargs, _args...) \ -do { \ - if (!(_condition)) \ - ucall(UCALL_ABORT, GUEST_ASSERT_BUILTIN_NARGS + _nargs, \ - "Failed guest assert: " _condstr, \ - __FILE__, __LINE__, ##_args); \ +#define ____GUEST_ASSERT(_condition, _exp, _fmt, _args...) \ +do { \ + if (!(_condition)) \ + ucall_assert(UCALL_ABORT, _exp, __FILE__, __LINE__, _fmt, ##_args); \ } while (0) -#define GUEST_ASSERT(_condition) \ - __GUEST_ASSERT(_condition, #_condition, 0, 0) - -#define GUEST_ASSERT_1(_condition, arg1) \ - __GUEST_ASSERT(_condition, #_condition, 1, (arg1)) - -#define GUEST_ASSERT_2(_condition, arg1, arg2) \ - __GUEST_ASSERT(_condition, #_condition, 2, (arg1), (arg2)) - -#define GUEST_ASSERT_3(_condition, arg1, arg2, arg3) \ - __GUEST_ASSERT(_condition, #_condition, 3, (arg1), (arg2), (arg3)) - -#define GUEST_ASSERT_4(_condition, arg1, arg2, arg3, arg4) \ - __GUEST_ASSERT(_condition, #_condition, 4, (arg1), (arg2), (arg3), (arg4)) - -#define GUEST_ASSERT_EQ(a, b) __GUEST_ASSERT((a) == (b), #a " == " #b, 2, a, b) +#define __GUEST_ASSERT(_condition, _fmt, _args...) \ + ____GUEST_ASSERT(_condition, #_condition, _fmt, ##_args) -#define __REPORT_GUEST_ASSERT(_ucall, fmt, _args...) \ - TEST_FAIL("%s at %s:%ld\n" fmt, \ - (const char *)(_ucall).args[GUEST_ERROR_STRING], \ - (const char *)(_ucall).args[GUEST_FILE], \ - (_ucall).args[GUEST_LINE], \ - ##_args) +#define GUEST_ASSERT(_condition) \ + __GUEST_ASSERT(_condition, #_condition) -#define GUEST_ASSERT_ARG(ucall, i) ((ucall).args[GUEST_ASSERT_BUILTIN_NARGS + i]) +#define GUEST_FAIL(_fmt, _args...) \ + ucall_assert(UCALL_ABORT, "Unconditional guest failure", \ + __FILE__, __LINE__, _fmt, ##_args) -#define REPORT_GUEST_ASSERT(ucall) \ - __REPORT_GUEST_ASSERT((ucall), "") - -#define REPORT_GUEST_ASSERT_1(ucall, fmt) \ - __REPORT_GUEST_ASSERT((ucall), \ - fmt, \ - GUEST_ASSERT_ARG((ucall), 0)) - -#define REPORT_GUEST_ASSERT_2(ucall, fmt) \ - __REPORT_GUEST_ASSERT((ucall), \ - fmt, \ - GUEST_ASSERT_ARG((ucall), 0), \ - GUEST_ASSERT_ARG((ucall), 1)) - -#define REPORT_GUEST_ASSERT_3(ucall, fmt) \ - __REPORT_GUEST_ASSERT((ucall), \ - fmt, \ - GUEST_ASSERT_ARG((ucall), 0), \ - GUEST_ASSERT_ARG((ucall), 1), \ - GUEST_ASSERT_ARG((ucall), 2)) +#define GUEST_ASSERT_EQ(a, b) \ +do { \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + ____GUEST_ASSERT(__a == __b, #a " == " #b, "%#lx != %#lx (%s != %s)", \ + (unsigned long)(__a), (unsigned long)(__b), #a, #b); \ +} while (0) -#define REPORT_GUEST_ASSERT_4(ucall, fmt) \ - __REPORT_GUEST_ASSERT((ucall), \ - fmt, \ - GUEST_ASSERT_ARG((ucall), 0), \ - GUEST_ASSERT_ARG((ucall), 1), \ - GUEST_ASSERT_ARG((ucall), 2), \ - GUEST_ASSERT_ARG((ucall), 3)) +#define GUEST_ASSERT_NE(a, b) \ +do { \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + ____GUEST_ASSERT(__a != __b, #a " != " #b, "%#lx == %#lx (%s == %s)", \ + (unsigned long)(__a), (unsigned long)(__b), #a, #b); \ +} while (0) -#define REPORT_GUEST_ASSERT_N(ucall, fmt, args...) \ - __REPORT_GUEST_ASSERT((ucall), fmt, ##args) +#define REPORT_GUEST_ASSERT(ucall) \ + test_assert(false, (const char *)(ucall).args[GUEST_ERROR_STRING], \ + (const char *)(ucall).args[GUEST_FILE], \ + (ucall).args[GUEST_LINE], "%s", (ucall).buffer) #endif /* SELFTEST_KVM_UCALL_COMMON_H */ |