diff options
Diffstat (limited to 'arch/x86/include/asm/mshyperv.h')
| -rw-r--r-- | arch/x86/include/asm/mshyperv.h | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index 4c4c0ec3b62e..49bb4f2bd300 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -11,6 +11,18 @@ #include <asm/paravirt.h> #include <asm/mshyperv.h> +/* + * Hyper-V always provides a single IO-APIC at this MMIO address. + * Ideally, the value should be looked up in ACPI tables, but it + * is needed for mapping the IO-APIC early in boot on Confidential + * VMs, before ACPI functions can be used. + */ +#define HV_IOAPIC_BASE_ADDRESS 0xfec00000 + +#define HV_VTL_NORMAL 0x0 +#define HV_VTL_SECURE 0x1 +#define HV_VTL_MGMT 0x2 + union hv_ghcb; DECLARE_STATIC_KEY_FALSE(isolation_type_snp); @@ -21,6 +33,11 @@ typedef int (*hyperv_fill_flush_list_func)( void hyperv_vector_handler(struct pt_regs *regs); +static inline unsigned char hv_get_nmi_reason(void) +{ + return 0; +} + #if IS_ENABLED(CONFIG_HYPERV) extern int hyperv_init_cpuhp; @@ -206,18 +223,19 @@ struct irq_domain *hv_create_pci_msi_domain(void); int hv_map_ioapic_interrupt(int ioapic_id, bool level, int vcpu, int vector, struct hv_interrupt_entry *entry); int hv_unmap_ioapic_interrupt(int ioapic_id, struct hv_interrupt_entry *entry); -int hv_set_mem_host_visibility(unsigned long addr, int numpages, bool visible); #ifdef CONFIG_AMD_MEM_ENCRYPT void hv_ghcb_msr_write(u64 msr, u64 value); void hv_ghcb_msr_read(u64 msr, u64 *value); bool hv_ghcb_negotiate_protocol(void); -void hv_ghcb_terminate(unsigned int set, unsigned int reason); +void __noreturn hv_ghcb_terminate(unsigned int set, unsigned int reason); +void hv_vtom_init(void); #else static inline void hv_ghcb_msr_write(u64 msr, u64 value) {} static inline void hv_ghcb_msr_read(u64 msr, u64 *value) {} static inline bool hv_ghcb_negotiate_protocol(void) { return false; } static inline void hv_ghcb_terminate(unsigned int set, unsigned int reason) {} +static inline void hv_vtom_init(void) {} #endif extern bool hv_isolation_type_snp(void); @@ -259,14 +277,15 @@ static inline void hv_set_register(unsigned int reg, u64 value) { } static inline u64 hv_get_register(unsigned int reg) { return 0; } static inline void hv_set_non_nested_register(unsigned int reg, u64 value) { } static inline u64 hv_get_non_nested_register(unsigned int reg) { return 0; } -static inline int hv_set_mem_host_visibility(unsigned long addr, int numpages, - bool visible) -{ - return -1; -} #endif /* CONFIG_HYPERV */ +#ifdef CONFIG_HYPERV_VTL_MODE +void __init hv_vtl_init_platform(void); +#else +static inline void __init hv_vtl_init_platform(void) {} +#endif + #include <asm-generic/mshyperv.h> #endif |