arch/x86/kvm/vmx/vmx_onhyperv.h

File Facts

System

Linux kernel

Corpus path

arch/x86/kvm/vmx/vmx_onhyperv.h

Extension

.h

Size

3574 bytes

Lines

134

Domain

Architecture Layer

Bucket

arch/x86

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

• hyperv/hvhdk.h
• asm/mshyperv.h
• linux/jump_label.h
• capabilities.h
• hyperv_evmcs.h
• vmcs12.h

Detected Declarations

• function kvm_is_using_evmcs
• function get_evmcs_offset
• function evmcs_write64
• function evmcs_write32
• function evmcs_write16
• function evmcs_read64
• function evmcs_read32
• function evmcs_read16
• function evmcs_load
• function kvm_is_using_evmcs
• function evmcs_write64
• function evmcs_read32
• function evmcs_read16
• function evmcs_load

Annotated Snippet

static __always_inline bool kvm_is_using_evmcs(void) { return false; }
static __always_inline void evmcs_write64(unsigned long field, u64 value) {}
static __always_inline void evmcs_write32(unsigned long field, u32 value) {}
static __always_inline void evmcs_write16(unsigned long field, u16 value) {}
static __always_inline u64 evmcs_read64(unsigned long field) { return 0; }
static __always_inline u32 evmcs_read32(unsigned long field) { return 0; }
static __always_inline u16 evmcs_read16(unsigned long field) { return 0; }
static inline void evmcs_load(u64 phys_addr) {}
#endif /* IS_ENABLED(CONFIG_HYPERV) */

#endif /* __ARCH_X86_KVM_VMX_ONHYPERV_H__ */

Annotation

• Immediate include surface: `hyperv/hvhdk.h`, `asm/mshyperv.h`, `linux/jump_label.h`, `capabilities.h`, `hyperv_evmcs.h`, `vmcs12.h`.
• Detected declarations: `function kvm_is_using_evmcs`, `function get_evmcs_offset`, `function evmcs_write64`, `function evmcs_write32`, `function evmcs_write16`, `function evmcs_read64`, `function evmcs_read32`, `function evmcs_read16`, `function evmcs_load`, `function kvm_is_using_evmcs`.
• Atlas domain: Architecture Layer / arch/x86.
• 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.