Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Eric Auger |
83 |
48.26% |
1 |
8.33% |
| Vitaly Kuznetsov |
25 |
14.53% |
2 |
16.67% |
| Paolo Bonzini |
18 |
10.47% |
1 |
8.33% |
| Yosry Ahmed |
16 |
9.30% |
1 |
8.33% |
| Maciej S. Szmigiero |
12 |
6.98% |
1 |
8.33% |
| Peter Gonda |
7 |
4.07% |
1 |
8.33% |
| David Matlack |
6 |
3.49% |
2 |
16.67% |
| Sean Christopherson |
4 |
2.33% |
2 |
16.67% |
| Thomas Gleixner |
1 |
0.58% |
1 |
8.33% |
| Total |
172 |
|
12 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020, Red Hat, Inc.
*/
#ifndef SELFTEST_KVM_SVM_UTILS_H
#define SELFTEST_KVM_SVM_UTILS_H
#include <asm/svm.h>
#include <stdint.h>
#include "svm.h"
#include "processor.h"
struct svm_test_data {
/* VMCB */
struct vmcb *vmcb; /* gva */
void *vmcb_hva;
u64 vmcb_gpa;
/* host state-save area */
struct vmcb_save_area *save_area; /* gva */
void *save_area_hva;
u64 save_area_gpa;
/* MSR-Bitmap */
void *msr; /* gva */
void *msr_hva;
u64 msr_gpa;
/* NPT */
u64 ncr3_gpa;
};
static inline void vmmcall(void)
{
/*
* Stuff RAX and RCX with "safe" values to make sure L0 doesn't handle
* it as a valid hypercall (e.g. Hyper-V L2 TLB flush) as the intended
* use of this function is to exit to L1 from L2. Clobber all other
* GPRs as L1 doesn't correctly preserve them during vmexits.
*/
__asm__ __volatile__("push %%rbp; vmmcall; pop %%rbp"
: : "a"(0xdeadbeef), "c"(0xbeefdead)
: "rbx", "rdx", "rsi", "rdi", "r8", "r9",
"r10", "r11", "r12", "r13", "r14", "r15");
}
#define stgi() \
__asm__ __volatile__( \
"stgi\n" \
)
#define clgi() \
__asm__ __volatile__( \
"clgi\n" \
)
struct svm_test_data *vcpu_alloc_svm(struct kvm_vm *vm, gva_t *p_svm_gva);
void generic_svm_setup(struct svm_test_data *svm, void *guest_rip, void *guest_rsp);
void run_guest(struct vmcb *vmcb, u64 vmcb_gpa);
static inline bool kvm_cpu_has_npt(void)
{
return kvm_cpu_has(X86_FEATURE_NPT);
}
void vm_enable_npt(struct kvm_vm *vm);
int open_sev_dev_path_or_exit(void);
#endif /* SELFTEST_KVM_SVM_UTILS_H */