arch/riscv/include/asm/kvm_tlb.h

File Facts

System

Linux kernel

Corpus path

arch/riscv/include/asm/kvm_tlb.h

Extension

.h

Size

2865 bytes

Lines

86

Domain

Architecture Layer

Bucket

arch/riscv

Inferred role

Architecture Layer: implementation source

Status

source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

• CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/kvm_types.h

Detected Declarations

• struct kvm_riscv_hfence
• enum kvm_riscv_hfence_type

Annotated Snippet

struct kvm_riscv_hfence {
	enum kvm_riscv_hfence_type type;
	unsigned long asid;
	unsigned long vmid;
	unsigned long order;
	gpa_t addr;
	gpa_t size;
};

#define KVM_RISCV_VCPU_MAX_HFENCE	64

#define KVM_RISCV_GSTAGE_TLB_MIN_ORDER		12

void kvm_riscv_local_hfence_gvma_vmid_gpa(unsigned long vmid,
					  gpa_t gpa, gpa_t gpsz,
					  unsigned long order);
void kvm_riscv_local_hfence_gvma_vmid_all(unsigned long vmid);
void kvm_riscv_local_hfence_gvma_gpa(gpa_t gpa, gpa_t gpsz,
				     unsigned long order);
void kvm_riscv_local_hfence_gvma_all(void);
void kvm_riscv_local_hfence_vvma_asid_gva(unsigned long vmid,
					  unsigned long asid,
					  unsigned long gva,
					  unsigned long gvsz,
					  unsigned long order);
void kvm_riscv_local_hfence_vvma_asid_all(unsigned long vmid,
					  unsigned long asid);
void kvm_riscv_local_hfence_vvma_gva(unsigned long vmid,
				     unsigned long gva, unsigned long gvsz,
				     unsigned long order);
void kvm_riscv_local_hfence_vvma_all(unsigned long vmid);
void kvm_riscv_local_tlb_sanitize(struct kvm_vcpu *vcpu);

void kvm_riscv_tlb_flush_process(struct kvm_vcpu *vcpu);

void kvm_riscv_fence_i_process(struct kvm_vcpu *vcpu);
void kvm_riscv_hfence_vvma_all_process(struct kvm_vcpu *vcpu);
void kvm_riscv_hfence_process(struct kvm_vcpu *vcpu);

void kvm_riscv_fence_i(struct kvm *kvm,
		       unsigned long hbase, unsigned long hmask);
void kvm_riscv_hfence_gvma_vmid_gpa(struct kvm *kvm,
				    unsigned long hbase, unsigned long hmask,
				    gpa_t gpa, gpa_t gpsz,
				    unsigned long order, unsigned long vmid);
void kvm_riscv_hfence_gvma_vmid_all(struct kvm *kvm,
				    unsigned long hbase, unsigned long hmask,
				    unsigned long vmid);
void kvm_riscv_hfence_vvma_asid_gva(struct kvm *kvm,
				    unsigned long hbase, unsigned long hmask,
				    unsigned long gva, unsigned long gvsz,
				    unsigned long order, unsigned long asid,
				    unsigned long vmid);
void kvm_riscv_hfence_vvma_asid_all(struct kvm *kvm,
				    unsigned long hbase, unsigned long hmask,
				    unsigned long asid, unsigned long vmid);
void kvm_riscv_hfence_vvma_gva(struct kvm *kvm,
			       unsigned long hbase, unsigned long hmask,
			       unsigned long gva, unsigned long gvsz,
			       unsigned long order, unsigned long vmid);
void kvm_riscv_hfence_vvma_all(struct kvm *kvm,
			       unsigned long hbase, unsigned long hmask,
			       unsigned long vmid);

#endif

Annotation

• Immediate include surface: `linux/kvm_types.h`.
• Detected declarations: `struct kvm_riscv_hfence`, `enum kvm_riscv_hfence_type`.
• Atlas domain: Architecture Layer / arch/riscv.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.