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kvm: selftests: move ucall declarations into ucall_common.h
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Now that core kvm_util declarations have special home in
kvm_util_base.h, move ucall-related declarations out into a separate
header.

Signed-off-by: Michael Roth <michael.roth@amd.com>
Message-Id: <20211210164620.11636-3-michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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mdroth authored and bonzini committed Jan 7, 2022
1 parent 7d9a662 commit 96c1a62
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Showing 3 changed files with 60 additions and 49 deletions.
1 change: 1 addition & 0 deletions tools/testing/selftests/kvm/include/kvm_util.h
Original file line number Diff line number Diff line change
Expand Up @@ -8,5 +8,6 @@
#define SELFTEST_KVM_UTIL_H

#include "kvm_util_base.h"
#include "ucall_common.h"

#endif /* SELFTEST_KVM_UTIL_H */
49 changes: 0 additions & 49 deletions tools/testing/selftests/kvm/include/kvm_util_base.h
Original file line number Diff line number Diff line change
Expand Up @@ -389,55 +389,6 @@ int vm_create_device(struct kvm_vm *vm, struct kvm_create_device *cd);

void assert_on_unhandled_exception(struct kvm_vm *vm, uint32_t vcpuid);

/* Common ucalls */
enum {
UCALL_NONE,
UCALL_SYNC,
UCALL_ABORT,
UCALL_DONE,
UCALL_UNHANDLED,
};

#define UCALL_MAX_ARGS 6

struct ucall {
uint64_t cmd;
uint64_t args[UCALL_MAX_ARGS];
};

void ucall_init(struct kvm_vm *vm, void *arg);
void ucall_uninit(struct kvm_vm *vm);
void ucall(uint64_t cmd, int nargs, ...);
uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc);

#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_DONE() ucall(UCALL_DONE, 0)
#define __GUEST_ASSERT(_condition, _condstr, _nargs, _args...) do { \
if (!(_condition)) \
ucall(UCALL_ABORT, 2 + _nargs, \
"Failed guest assert: " \
_condstr, __LINE__, _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)

int vm_get_stats_fd(struct kvm_vm *vm);
int vcpu_get_stats_fd(struct kvm_vm *vm, uint32_t vcpuid);

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59 changes: 59 additions & 0 deletions tools/testing/selftests/kvm/include/ucall_common.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,59 @@
/* 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

/* Common ucalls */
enum {
UCALL_NONE,
UCALL_SYNC,
UCALL_ABORT,
UCALL_DONE,
UCALL_UNHANDLED,
};

#define UCALL_MAX_ARGS 6

struct ucall {
uint64_t cmd;
uint64_t args[UCALL_MAX_ARGS];
};

void ucall_init(struct kvm_vm *vm, void *arg);
void ucall_uninit(struct kvm_vm *vm);
void ucall(uint64_t cmd, int nargs, ...);
uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc);

#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_DONE() ucall(UCALL_DONE, 0)
#define __GUEST_ASSERT(_condition, _condstr, _nargs, _args...) do { \
if (!(_condition)) \
ucall(UCALL_ABORT, 2 + _nargs, \
"Failed guest assert: " \
_condstr, __LINE__, _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)

#endif /* SELFTEST_KVM_UCALL_COMMON_H */

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