Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Sean Christopherson |
187 |
45.72% |
10 |
35.71% |
| Aaron Lewis |
68 |
16.63% |
2 |
7.14% |
| Paolo Bonzini |
36 |
8.80% |
4 |
14.29% |
| Andrew Jones |
32 |
7.82% |
1 |
3.57% |
| Colton Lewis |
23 |
5.62% |
3 |
10.71% |
| Michael Roth |
22 |
5.38% |
1 |
3.57% |
| Peter Xu |
18 |
4.40% |
1 |
3.57% |
| Peter Gonda |
7 |
1.71% |
1 |
3.57% |
| Makarand Sonare |
6 |
1.47% |
1 |
3.57% |
| Maciej Wieczor-Retman |
6 |
1.47% |
1 |
3.57% |
| Ricardo Koller |
2 |
0.49% |
1 |
3.57% |
| Thomas Gleixner |
1 |
0.24% |
1 |
3.57% |
| Like Xu |
1 |
0.24% |
1 |
3.57% |
| Total |
409 |
|
28 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* 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;
};
void ucall_arch_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa);
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
* allocating a ucall struct, which can be useful if the atomic operations in
* the full ucall() are problematic and/or unwanted. Note, this will come out
* as UCALL_NONE on the backend.
*/
#define GUEST_UCALL_NONE() ucall_arch_do_ucall((vm_vaddr_t)NULL)
#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,
GUEST_LINE,
GUEST_ASSERT_BUILTIN_NARGS
};
#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, _fmt, _args...) \
____GUEST_ASSERT(_condition, #_condition, _fmt, ##_args)
#define GUEST_ASSERT(_condition) \
__GUEST_ASSERT(_condition, #_condition)
#define GUEST_FAIL(_fmt, _args...) \
ucall_assert(UCALL_ABORT, "Unconditional guest failure", \
__FILE__, __LINE__, _fmt, ##_args)
#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 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(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 */