Contributors: 14
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Ben Gardon |
172 |
31.79% |
20 |
37.74% |
| Paolo Bonzini |
99 |
18.30% |
7 |
13.21% |
| Avi Kivity |
68 |
12.57% |
1 |
1.89% |
| David Matlack |
55 |
10.17% |
5 |
9.43% |
| Sean Christopherson |
51 |
9.43% |
8 |
15.09% |
| Xiao Guangrong |
37 |
6.84% |
3 |
5.66% |
| Dave Hansen |
30 |
5.55% |
1 |
1.89% |
| Xiaoguang Chen |
8 |
1.48% |
1 |
1.89% |
| Gavin Shan |
6 |
1.11% |
1 |
1.89% |
| Feng Wu |
6 |
1.11% |
2 |
3.77% |
| Hamza Mahfooz |
3 |
0.55% |
1 |
1.89% |
| Keqian Zhu |
3 |
0.55% |
1 |
1.89% |
| Jike Song |
2 |
0.37% |
1 |
1.89% |
| Junaid Shahid |
1 |
0.18% |
1 |
1.89% |
| Total |
541 |
|
53 |
|
// SPDX-License-Identifier: GPL-2.0
#ifndef __KVM_X86_MMU_TDP_MMU_H
#define __KVM_X86_MMU_TDP_MMU_H
#include <linux/kvm_host.h>
#include "spte.h"
hpa_t kvm_tdp_mmu_get_vcpu_root_hpa(struct kvm_vcpu *vcpu);
__must_check static inline bool kvm_tdp_mmu_get_root(struct kvm_mmu_page *root)
{
return refcount_inc_not_zero(&root->tdp_mmu_root_count);
}
void kvm_tdp_mmu_put_root(struct kvm *kvm, struct kvm_mmu_page *root,
bool shared);
bool kvm_tdp_mmu_zap_leafs(struct kvm *kvm, int as_id, gfn_t start,
gfn_t end, bool can_yield, bool flush);
bool kvm_tdp_mmu_zap_sp(struct kvm *kvm, struct kvm_mmu_page *sp);
void kvm_tdp_mmu_zap_all(struct kvm *kvm);
void kvm_tdp_mmu_invalidate_all_roots(struct kvm *kvm);
void kvm_tdp_mmu_zap_invalidated_roots(struct kvm *kvm);
int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault);
bool kvm_tdp_mmu_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range,
bool flush);
bool kvm_tdp_mmu_age_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_tdp_mmu_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_tdp_mmu_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_tdp_mmu_wrprot_slot(struct kvm *kvm,
const struct kvm_memory_slot *slot, int min_level);
bool kvm_tdp_mmu_clear_dirty_slot(struct kvm *kvm,
const struct kvm_memory_slot *slot);
void kvm_tdp_mmu_clear_dirty_pt_masked(struct kvm *kvm,
struct kvm_memory_slot *slot,
gfn_t gfn, unsigned long mask,
bool wrprot);
void kvm_tdp_mmu_zap_collapsible_sptes(struct kvm *kvm,
const struct kvm_memory_slot *slot);
bool kvm_tdp_mmu_write_protect_gfn(struct kvm *kvm,
struct kvm_memory_slot *slot, gfn_t gfn,
int min_level);
void kvm_tdp_mmu_try_split_huge_pages(struct kvm *kvm,
const struct kvm_memory_slot *slot,
gfn_t start, gfn_t end,
int target_level, bool shared);
static inline void kvm_tdp_mmu_walk_lockless_begin(void)
{
rcu_read_lock();
}
static inline void kvm_tdp_mmu_walk_lockless_end(void)
{
rcu_read_unlock();
}
int kvm_tdp_mmu_get_walk(struct kvm_vcpu *vcpu, u64 addr, u64 *sptes,
int *root_level);
u64 *kvm_tdp_mmu_fast_pf_get_last_sptep(struct kvm_vcpu *vcpu, u64 addr,
u64 *spte);
#ifdef CONFIG_X86_64
int kvm_mmu_init_tdp_mmu(struct kvm *kvm);
void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm);
static inline bool is_tdp_mmu_page(struct kvm_mmu_page *sp) { return sp->tdp_mmu_page; }
static inline bool is_tdp_mmu(struct kvm_mmu *mmu)
{
struct kvm_mmu_page *sp;
hpa_t hpa = mmu->root.hpa;
if (WARN_ON(!VALID_PAGE(hpa)))
return false;
/*
* A NULL shadow page is legal when shadowing a non-paging guest with
* PAE paging, as the MMU will be direct with root_hpa pointing at the
* pae_root page, not a shadow page.
*/
sp = to_shadow_page(hpa);
return sp && is_tdp_mmu_page(sp) && sp->root_count;
}
#else
static inline int kvm_mmu_init_tdp_mmu(struct kvm *kvm) { return 0; }
static inline void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm) {}
static inline bool is_tdp_mmu_page(struct kvm_mmu_page *sp) { return false; }
static inline bool is_tdp_mmu(struct kvm_mmu *mmu) { return false; }
#endif
#endif /* __KVM_X86_MMU_TDP_MMU_H */