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a05c4c2bd8
Use GUEST_FAIL() in ARM's arch timer helpers now that printf-based guest asserts are the default (and only) style of guest asserts, and say goodbye to the GUEST_ASSERT_1() alias. Link: https://lore.kernel.org/r/20230729003643.1053367-35-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* tools/testing/selftests/kvm/include/kvm_util.h
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*
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* Copyright (C) 2018, Google LLC.
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*/
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#ifndef SELFTEST_KVM_UCALL_COMMON_H
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#define SELFTEST_KVM_UCALL_COMMON_H
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#include "test_util.h"
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#include "ucall.h"
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/* Common ucalls */
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enum {
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UCALL_NONE,
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UCALL_SYNC,
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UCALL_ABORT,
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UCALL_PRINTF,
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UCALL_DONE,
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UCALL_UNHANDLED,
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};
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#define UCALL_MAX_ARGS 7
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#define UCALL_BUFFER_LEN 1024
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struct ucall {
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uint64_t cmd;
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uint64_t args[UCALL_MAX_ARGS];
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char buffer[UCALL_BUFFER_LEN];
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/* Host virtual address of this struct. */
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struct ucall *hva;
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};
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void ucall_arch_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa);
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void ucall_arch_do_ucall(vm_vaddr_t uc);
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void *ucall_arch_get_ucall(struct kvm_vcpu *vcpu);
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void ucall(uint64_t cmd, int nargs, ...);
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void ucall_fmt(uint64_t cmd, const char *fmt, ...);
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void ucall_assert(uint64_t cmd, const char *exp, const char *file,
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unsigned int line, const char *fmt, ...);
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uint64_t get_ucall(struct kvm_vcpu *vcpu, struct ucall *uc);
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void ucall_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa);
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int ucall_nr_pages_required(uint64_t page_size);
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/*
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* Perform userspace call without any associated data. This bare call avoids
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* allocating a ucall struct, which can be useful if the atomic operations in
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* the full ucall() are problematic and/or unwanted. Note, this will come out
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* as UCALL_NONE on the backend.
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*/
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#define GUEST_UCALL_NONE() ucall_arch_do_ucall((vm_vaddr_t)NULL)
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#define GUEST_SYNC_ARGS(stage, arg1, arg2, arg3, arg4) \
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ucall(UCALL_SYNC, 6, "hello", stage, arg1, arg2, arg3, arg4)
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#define GUEST_SYNC(stage) ucall(UCALL_SYNC, 2, "hello", stage)
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#define GUEST_PRINTF(_fmt, _args...) ucall_fmt(UCALL_PRINTF, _fmt, ##_args)
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#define GUEST_DONE() ucall(UCALL_DONE, 0)
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#define REPORT_GUEST_PRINTF(ucall) pr_info("%s", (ucall).buffer)
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enum guest_assert_builtin_args {
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GUEST_ERROR_STRING,
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GUEST_FILE,
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GUEST_LINE,
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GUEST_ASSERT_BUILTIN_NARGS
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};
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#define ____GUEST_ASSERT(_condition, _exp, _fmt, _args...) \
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do { \
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if (!(_condition)) \
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ucall_assert(UCALL_ABORT, _exp, __FILE__, __LINE__, _fmt, ##_args); \
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} while (0)
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#define __GUEST_ASSERT(_condition, _fmt, _args...) \
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____GUEST_ASSERT(_condition, #_condition, _fmt, ##_args)
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#define GUEST_ASSERT(_condition) \
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__GUEST_ASSERT(_condition, #_condition)
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#define GUEST_FAIL(_fmt, _args...) \
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ucall_assert(UCALL_ABORT, "Unconditional guest failure", \
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__FILE__, __LINE__, _fmt, ##_args)
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#define GUEST_ASSERT_EQ(a, b) \
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do { \
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typeof(a) __a = (a); \
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typeof(b) __b = (b); \
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____GUEST_ASSERT(__a == __b, #a " == " #b, "%#lx != %#lx (%s != %s)", \
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(unsigned long)(__a), (unsigned long)(__b), #a, #b); \
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} while (0)
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#define GUEST_ASSERT_NE(a, b) \
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do { \
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typeof(a) __a = (a); \
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typeof(b) __b = (b); \
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____GUEST_ASSERT(__a != __b, #a " != " #b, "%#lx == %#lx (%s == %s)", \
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(unsigned long)(__a), (unsigned long)(__b), #a, #b); \
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} while (0)
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#define REPORT_GUEST_ASSERT(ucall) \
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test_assert(false, (const char *)(ucall).args[GUEST_ERROR_STRING], \
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(const char *)(ucall).args[GUEST_FILE], \
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(ucall).args[GUEST_LINE], "%s", (ucall).buffer)
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#endif /* SELFTEST_KVM_UCALL_COMMON_H */
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