diff options
Diffstat (limited to 'arch/x86/include/asm/idtentry.h')
| -rw-r--r-- | arch/x86/include/asm/idtentry.h | 709 |
1 files changed, 709 insertions, 0 deletions
diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h new file mode 100644 index 000000000..fca710a93 --- /dev/null +++ b/arch/x86/include/asm/idtentry.h @@ -0,0 +1,709 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_IDTENTRY_H +#define _ASM_X86_IDTENTRY_H + +/* Interrupts/Exceptions */ +#include <asm/trapnr.h> + +#define IDT_ALIGN (8 * (1 + HAS_KERNEL_IBT)) + +#ifndef __ASSEMBLY__ +#include <linux/entry-common.h> +#include <linux/hardirq.h> + +#include <asm/irq_stack.h> + +/** + * DECLARE_IDTENTRY - Declare functions for simple IDT entry points + * No error code pushed by hardware + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Declares three functions: + * - The ASM entry point: asm_##func + * - The XEN PV trap entry point: xen_##func (maybe unused) + * - The C handler called from the ASM entry point + * + * Note: This is the C variant of DECLARE_IDTENTRY(). As the name says it + * declares the entry points for usage in C code. There is an ASM variant + * as well which is used to emit the entry stubs in entry_32/64.S. + */ +#define DECLARE_IDTENTRY(vector, func) \ + asmlinkage void asm_##func(void); \ + asmlinkage void xen_asm_##func(void); \ + __visible void func(struct pt_regs *regs) + +/** + * DEFINE_IDTENTRY - Emit code for simple IDT entry points + * @func: Function name of the entry point + * + * @func is called from ASM entry code with interrupts disabled. + * + * The macro is written so it acts as function definition. Append the + * body with a pair of curly brackets. + * + * irqentry_enter() contains common code which has to be invoked before + * arbitrary code in the body. irqentry_exit() contains common code + * which has to run before returning to the low level assembly code. + */ +#define DEFINE_IDTENTRY(func) \ +static __always_inline void __##func(struct pt_regs *regs); \ + \ +__visible noinstr void func(struct pt_regs *regs) \ +{ \ + irqentry_state_t state = irqentry_enter(regs); \ + \ + instrumentation_begin(); \ + __##func (regs); \ + instrumentation_end(); \ + irqentry_exit(regs, state); \ +} \ + \ +static __always_inline void __##func(struct pt_regs *regs) + +/* Special case for 32bit IRET 'trap' */ +#define DECLARE_IDTENTRY_SW DECLARE_IDTENTRY +#define DEFINE_IDTENTRY_SW DEFINE_IDTENTRY + +/** + * DECLARE_IDTENTRY_ERRORCODE - Declare functions for simple IDT entry points + * Error code pushed by hardware + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Declares three functions: + * - The ASM entry point: asm_##func + * - The XEN PV trap entry point: xen_##func (maybe unused) + * - The C handler called from the ASM entry point + * + * Same as DECLARE_IDTENTRY, but has an extra error_code argument for the + * C-handler. + */ +#define DECLARE_IDTENTRY_ERRORCODE(vector, func) \ + asmlinkage void asm_##func(void); \ + asmlinkage void xen_asm_##func(void); \ + __visible void func(struct pt_regs *regs, unsigned long error_code) + +/** + * DEFINE_IDTENTRY_ERRORCODE - Emit code for simple IDT entry points + * Error code pushed by hardware + * @func: Function name of the entry point + * + * Same as DEFINE_IDTENTRY, but has an extra error_code argument + */ +#define DEFINE_IDTENTRY_ERRORCODE(func) \ +static __always_inline void __##func(struct pt_regs *regs, \ + unsigned long error_code); \ + \ +__visible noinstr void func(struct pt_regs *regs, \ + unsigned long error_code) \ +{ \ + irqentry_state_t state = irqentry_enter(regs); \ + \ + instrumentation_begin(); \ + __##func (regs, error_code); \ + instrumentation_end(); \ + irqentry_exit(regs, state); \ +} \ + \ +static __always_inline void __##func(struct pt_regs *regs, \ + unsigned long error_code) + +/** + * DECLARE_IDTENTRY_RAW - Declare functions for raw IDT entry points + * No error code pushed by hardware + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Maps to DECLARE_IDTENTRY(). + */ +#define DECLARE_IDTENTRY_RAW(vector, func) \ + DECLARE_IDTENTRY(vector, func) + +/** + * DEFINE_IDTENTRY_RAW - Emit code for raw IDT entry points + * @func: Function name of the entry point + * + * @func is called from ASM entry code with interrupts disabled. + * + * The macro is written so it acts as function definition. Append the + * body with a pair of curly brackets. + * + * Contrary to DEFINE_IDTENTRY() this does not invoke the + * idtentry_enter/exit() helpers before and after the body invocation. This + * needs to be done in the body itself if applicable. Use if extra work + * is required before the enter/exit() helpers are invoked. + */ +#define DEFINE_IDTENTRY_RAW(func) \ +__visible noinstr void func(struct pt_regs *regs) + +/** + * DECLARE_IDTENTRY_RAW_ERRORCODE - Declare functions for raw IDT entry points + * Error code pushed by hardware + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Maps to DECLARE_IDTENTRY_ERRORCODE() + */ +#define DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) \ + DECLARE_IDTENTRY_ERRORCODE(vector, func) + +/** + * DEFINE_IDTENTRY_RAW_ERRORCODE - Emit code for raw IDT entry points + * @func: Function name of the entry point + * + * @func is called from ASM entry code with interrupts disabled. + * + * The macro is written so it acts as function definition. Append the + * body with a pair of curly brackets. + * + * Contrary to DEFINE_IDTENTRY_ERRORCODE() this does not invoke the + * irqentry_enter/exit() helpers before and after the body invocation. This + * needs to be done in the body itself if applicable. Use if extra work + * is required before the enter/exit() helpers are invoked. + */ +#define DEFINE_IDTENTRY_RAW_ERRORCODE(func) \ +__visible noinstr void func(struct pt_regs *regs, unsigned long error_code) + +/** + * DECLARE_IDTENTRY_IRQ - Declare functions for device interrupt IDT entry + * points (common/spurious) + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Maps to DECLARE_IDTENTRY_ERRORCODE() + */ +#define DECLARE_IDTENTRY_IRQ(vector, func) \ + DECLARE_IDTENTRY_ERRORCODE(vector, func) + +/** + * DEFINE_IDTENTRY_IRQ - Emit code for device interrupt IDT entry points + * @func: Function name of the entry point + * + * The vector number is pushed by the low level entry stub and handed + * to the function as error_code argument which needs to be truncated + * to an u8 because the push is sign extending. + * + * irq_enter/exit_rcu() are invoked before the function body and the + * KVM L1D flush request is set. Stack switching to the interrupt stack + * has to be done in the function body if necessary. + */ +#define DEFINE_IDTENTRY_IRQ(func) \ +static void __##func(struct pt_regs *regs, u32 vector); \ + \ +__visible noinstr void func(struct pt_regs *regs, \ + unsigned long error_code) \ +{ \ + irqentry_state_t state = irqentry_enter(regs); \ + u32 vector = (u32)(u8)error_code; \ + \ + instrumentation_begin(); \ + kvm_set_cpu_l1tf_flush_l1d(); \ + run_irq_on_irqstack_cond(__##func, regs, vector); \ + instrumentation_end(); \ + irqentry_exit(regs, state); \ +} \ + \ +static noinline void __##func(struct pt_regs *regs, u32 vector) + +/** + * DECLARE_IDTENTRY_SYSVEC - Declare functions for system vector entry points + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Declares three functions: + * - The ASM entry point: asm_##func + * - The XEN PV trap entry point: xen_##func (maybe unused) + * - The C handler called from the ASM entry point + * + * Maps to DECLARE_IDTENTRY(). + */ +#define DECLARE_IDTENTRY_SYSVEC(vector, func) \ + DECLARE_IDTENTRY(vector, func) + +/** + * DEFINE_IDTENTRY_SYSVEC - Emit code for system vector IDT entry points + * @func: Function name of the entry point + * + * irqentry_enter/exit() and irq_enter/exit_rcu() are invoked before the + * function body. KVM L1D flush request is set. + * + * Runs the function on the interrupt stack if the entry hit kernel mode + */ +#define DEFINE_IDTENTRY_SYSVEC(func) \ +static void __##func(struct pt_regs *regs); \ + \ +__visible noinstr void func(struct pt_regs *regs) \ +{ \ + irqentry_state_t state = irqentry_enter(regs); \ + \ + instrumentation_begin(); \ + kvm_set_cpu_l1tf_flush_l1d(); \ + run_sysvec_on_irqstack_cond(__##func, regs); \ + instrumentation_end(); \ + irqentry_exit(regs, state); \ +} \ + \ +static noinline void __##func(struct pt_regs *regs) + +/** + * DEFINE_IDTENTRY_SYSVEC_SIMPLE - Emit code for simple system vector IDT + * entry points + * @func: Function name of the entry point + * + * Runs the function on the interrupted stack. No switch to IRQ stack and + * only the minimal __irq_enter/exit() handling. + * + * Only use for 'empty' vectors like reschedule IPI and KVM posted + * interrupt vectors. + */ +#define DEFINE_IDTENTRY_SYSVEC_SIMPLE(func) \ +static __always_inline void __##func(struct pt_regs *regs); \ + \ +__visible noinstr void func(struct pt_regs *regs) \ +{ \ + irqentry_state_t state = irqentry_enter(regs); \ + \ + instrumentation_begin(); \ + __irq_enter_raw(); \ + kvm_set_cpu_l1tf_flush_l1d(); \ + __##func (regs); \ + __irq_exit_raw(); \ + instrumentation_end(); \ + irqentry_exit(regs, state); \ +} \ + \ +static __always_inline void __##func(struct pt_regs *regs) + +/** + * DECLARE_IDTENTRY_XENCB - Declare functions for XEN HV callback entry point + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Declares three functions: + * - The ASM entry point: asm_##func + * - The XEN PV trap entry point: xen_##func (maybe unused) + * - The C handler called from the ASM entry point + * + * Maps to DECLARE_IDTENTRY(). Distinct entry point to handle the 32/64-bit + * difference + */ +#define DECLARE_IDTENTRY_XENCB(vector, func) \ + DECLARE_IDTENTRY(vector, func) + +#ifdef CONFIG_X86_64 +/** + * DECLARE_IDTENTRY_IST - Declare functions for IST handling IDT entry points + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Maps to DECLARE_IDTENTRY_RAW, but declares also the NOIST C handler + * which is called from the ASM entry point on user mode entry + */ +#define DECLARE_IDTENTRY_IST(vector, func) \ + DECLARE_IDTENTRY_RAW(vector, func); \ + __visible void noist_##func(struct pt_regs *regs) + +/** + * DECLARE_IDTENTRY_VC - Declare functions for the VC entry point + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Maps to DECLARE_IDTENTRY_RAW_ERRORCODE, but declares also the + * safe_stack C handler. + */ +#define DECLARE_IDTENTRY_VC(vector, func) \ + DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func); \ + __visible noinstr void kernel_##func(struct pt_regs *regs, unsigned long error_code); \ + __visible noinstr void user_##func(struct pt_regs *regs, unsigned long error_code) + +/** + * DEFINE_IDTENTRY_IST - Emit code for IST entry points + * @func: Function name of the entry point + * + * Maps to DEFINE_IDTENTRY_RAW + */ +#define DEFINE_IDTENTRY_IST(func) \ + DEFINE_IDTENTRY_RAW(func) + +/** + * DEFINE_IDTENTRY_NOIST - Emit code for NOIST entry points which + * belong to a IST entry point (MCE, DB) + * @func: Function name of the entry point. Must be the same as + * the function name of the corresponding IST variant + * + * Maps to DEFINE_IDTENTRY_RAW(). + */ +#define DEFINE_IDTENTRY_NOIST(func) \ + DEFINE_IDTENTRY_RAW(noist_##func) + +/** + * DECLARE_IDTENTRY_DF - Declare functions for double fault + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Maps to DECLARE_IDTENTRY_RAW_ERRORCODE + */ +#define DECLARE_IDTENTRY_DF(vector, func) \ + DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) + +/** + * DEFINE_IDTENTRY_DF - Emit code for double fault + * @func: Function name of the entry point + * + * Maps to DEFINE_IDTENTRY_RAW_ERRORCODE + */ +#define DEFINE_IDTENTRY_DF(func) \ + DEFINE_IDTENTRY_RAW_ERRORCODE(func) + +/** + * DEFINE_IDTENTRY_VC_KERNEL - Emit code for VMM communication handler + when raised from kernel mode + * @func: Function name of the entry point + * + * Maps to DEFINE_IDTENTRY_RAW_ERRORCODE + */ +#define DEFINE_IDTENTRY_VC_KERNEL(func) \ + DEFINE_IDTENTRY_RAW_ERRORCODE(kernel_##func) + +/** + * DEFINE_IDTENTRY_VC_USER - Emit code for VMM communication handler + when raised from user mode + * @func: Function name of the entry point + * + * Maps to DEFINE_IDTENTRY_RAW_ERRORCODE + */ +#define DEFINE_IDTENTRY_VC_USER(func) \ + DEFINE_IDTENTRY_RAW_ERRORCODE(user_##func) + +#else /* CONFIG_X86_64 */ + +/** + * DECLARE_IDTENTRY_DF - Declare functions for double fault 32bit variant + * @vector: Vector number (ignored for C) + * @func: Function name of the entry point + * + * Declares two functions: + * - The ASM entry point: asm_##func + * - The C handler called from the C shim + */ +#define DECLARE_IDTENTRY_DF(vector, func) \ + asmlinkage void asm_##func(void); \ + __visible void func(struct pt_regs *regs, \ + unsigned long error_code, \ + unsigned long address) + +/** + * DEFINE_IDTENTRY_DF - Emit code for double fault on 32bit + * @func: Function name of the entry point + * + * This is called through the doublefault shim which already provides + * cr2 in the address argument. + */ +#define DEFINE_IDTENTRY_DF(func) \ +__visible noinstr void func(struct pt_regs *regs, \ + unsigned long error_code, \ + unsigned long address) + +#endif /* !CONFIG_X86_64 */ + +/* C-Code mapping */ +#define DECLARE_IDTENTRY_NMI DECLARE_IDTENTRY_RAW +#define DEFINE_IDTENTRY_NMI DEFINE_IDTENTRY_RAW + +#ifdef CONFIG_X86_64 +#define DECLARE_IDTENTRY_MCE DECLARE_IDTENTRY_IST +#define DEFINE_IDTENTRY_MCE DEFINE_IDTENTRY_IST +#define DEFINE_IDTENTRY_MCE_USER DEFINE_IDTENTRY_NOIST + +#define DECLARE_IDTENTRY_DEBUG DECLARE_IDTENTRY_IST +#define DEFINE_IDTENTRY_DEBUG DEFINE_IDTENTRY_IST +#define DEFINE_IDTENTRY_DEBUG_USER DEFINE_IDTENTRY_NOIST +#endif + +#else /* !__ASSEMBLY__ */ + +/* + * The ASM variants for DECLARE_IDTENTRY*() which emit the ASM entry stubs. + */ +#define DECLARE_IDTENTRY(vector, func) \ + idtentry vector asm_##func func has_error_code=0 + +#define DECLARE_IDTENTRY_ERRORCODE(vector, func) \ + idtentry vector asm_##func func has_error_code=1 + +/* Special case for 32bit IRET 'trap'. Do not emit ASM code */ +#define DECLARE_IDTENTRY_SW(vector, func) + +#define DECLARE_IDTENTRY_RAW(vector, func) \ + DECLARE_IDTENTRY(vector, func) + +#define DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) \ + DECLARE_IDTENTRY_ERRORCODE(vector, func) + +/* Entries for common/spurious (device) interrupts */ +#define DECLARE_IDTENTRY_IRQ(vector, func) \ + idtentry_irq vector func + +/* System vector entries */ +#define DECLARE_IDTENTRY_SYSVEC(vector, func) \ + idtentry_sysvec vector func + +#ifdef CONFIG_X86_64 +# define DECLARE_IDTENTRY_MCE(vector, func) \ + idtentry_mce_db vector asm_##func func + +# define DECLARE_IDTENTRY_DEBUG(vector, func) \ + idtentry_mce_db vector asm_##func func + +# define DECLARE_IDTENTRY_DF(vector, func) \ + idtentry_df vector asm_##func func + +# define DECLARE_IDTENTRY_XENCB(vector, func) \ + DECLARE_IDTENTRY(vector, func) + +# define DECLARE_IDTENTRY_VC(vector, func) \ + idtentry_vc vector asm_##func func + +#else +# define DECLARE_IDTENTRY_MCE(vector, func) \ + DECLARE_IDTENTRY(vector, func) + +/* No ASM emitted for DF as this goes through a C shim */ +# define DECLARE_IDTENTRY_DF(vector, func) + +/* No ASM emitted for XEN hypervisor callback */ +# define DECLARE_IDTENTRY_XENCB(vector, func) + +#endif + +/* No ASM code emitted for NMI */ +#define DECLARE_IDTENTRY_NMI(vector, func) + +/* + * ASM code to emit the common vector entry stubs where each stub is + * packed into IDT_ALIGN bytes. + * + * Note, that the 'pushq imm8' is emitted via '.byte 0x6a, vector' because + * GCC treats the local vector variable as unsigned int and would expand + * all vectors above 0x7F to a 5 byte push. The original code did an + * adjustment of the vector number to be in the signed byte range to avoid + * this. While clever it's mindboggling counterintuitive and requires the + * odd conversion back to a real vector number in the C entry points. Using + * .byte achieves the same thing and the only fixup needed in the C entry + * point is to mask off the bits above bit 7 because the push is sign + * extending. + */ + .align IDT_ALIGN +SYM_CODE_START(irq_entries_start) + vector=FIRST_EXTERNAL_VECTOR + .rept NR_EXTERNAL_VECTORS + UNWIND_HINT_IRET_REGS +0 : + ENDBR + .byte 0x6a, vector + jmp asm_common_interrupt + /* Ensure that the above is IDT_ALIGN bytes max */ + .fill 0b + IDT_ALIGN - ., 1, 0xcc + vector = vector+1 + .endr +SYM_CODE_END(irq_entries_start) + +#ifdef CONFIG_X86_LOCAL_APIC + .align IDT_ALIGN +SYM_CODE_START(spurious_entries_start) + vector=FIRST_SYSTEM_VECTOR + .rept NR_SYSTEM_VECTORS + UNWIND_HINT_IRET_REGS +0 : + ENDBR + .byte 0x6a, vector + jmp asm_spurious_interrupt + /* Ensure that the above is IDT_ALIGN bytes max */ + .fill 0b + IDT_ALIGN - ., 1, 0xcc + vector = vector+1 + .endr +SYM_CODE_END(spurious_entries_start) +#endif + +#endif /* __ASSEMBLY__ */ + +/* + * The actual entry points. Note that DECLARE_IDTENTRY*() serves two + * purposes: + * - provide the function declarations when included from C-Code + * - emit the ASM stubs when included from entry_32/64.S + * + * This avoids duplicate defines and ensures that everything is consistent. + */ + +/* + * Dummy trap number so the low level ASM macro vector number checks do not + * match which results in emitting plain IDTENTRY stubs without bells and + * whistles. + */ +#define X86_TRAP_OTHER 0xFFFF + +/* Simple exception entry points. No hardware error code */ +DECLARE_IDTENTRY(X86_TRAP_DE, exc_divide_error); +DECLARE_IDTENTRY(X86_TRAP_OF, exc_overflow); +DECLARE_IDTENTRY(X86_TRAP_BR, exc_bounds); +DECLARE_IDTENTRY(X86_TRAP_NM, exc_device_not_available); +DECLARE_IDTENTRY(X86_TRAP_OLD_MF, exc_coproc_segment_overrun); +DECLARE_IDTENTRY(X86_TRAP_SPURIOUS, exc_spurious_interrupt_bug); +DECLARE_IDTENTRY(X86_TRAP_MF, exc_coprocessor_error); +DECLARE_IDTENTRY(X86_TRAP_XF, exc_simd_coprocessor_error); + +/* 32bit software IRET trap. Do not emit ASM code */ +DECLARE_IDTENTRY_SW(X86_TRAP_IRET, iret_error); + +/* Simple exception entries with error code pushed by hardware */ +DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_TS, exc_invalid_tss); +DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_NP, exc_segment_not_present); +DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_SS, exc_stack_segment); +DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_GP, exc_general_protection); +DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_AC, exc_alignment_check); + +/* Raw exception entries which need extra work */ +DECLARE_IDTENTRY_RAW(X86_TRAP_UD, exc_invalid_op); +DECLARE_IDTENTRY_RAW(X86_TRAP_BP, exc_int3); +DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_PF, exc_page_fault); + +#if defined(CONFIG_IA32_EMULATION) +DECLARE_IDTENTRY_RAW(IA32_SYSCALL_VECTOR, int80_emulation); +#endif + +#ifdef CONFIG_X86_MCE +#ifdef CONFIG_X86_64 +DECLARE_IDTENTRY_MCE(X86_TRAP_MC, exc_machine_check); +#else +DECLARE_IDTENTRY_RAW(X86_TRAP_MC, exc_machine_check); +#endif +#ifdef CONFIG_XEN_PV +DECLARE_IDTENTRY_RAW(X86_TRAP_MC, xenpv_exc_machine_check); +#endif +#endif + +/* NMI */ + +#if defined(CONFIG_X86_64) && IS_ENABLED(CONFIG_KVM_INTEL) +/* + * Special NOIST entry point for VMX which invokes this on the kernel + * stack. asm_exc_nmi() requires an IST to work correctly vs. the NMI + * 'executing' marker. + * + * On 32bit this just uses the regular NMI entry point because 32-bit does + * not have ISTs. + */ +DECLARE_IDTENTRY(X86_TRAP_NMI, exc_nmi_noist); +#else +#define asm_exc_nmi_noist asm_exc_nmi +#endif + +DECLARE_IDTENTRY_NMI(X86_TRAP_NMI, exc_nmi); +#ifdef CONFIG_XEN_PV +DECLARE_IDTENTRY_RAW(X86_TRAP_NMI, xenpv_exc_nmi); +#endif + +/* #DB */ +#ifdef CONFIG_X86_64 +DECLARE_IDTENTRY_DEBUG(X86_TRAP_DB, exc_debug); +#else +DECLARE_IDTENTRY_RAW(X86_TRAP_DB, exc_debug); +#endif +#ifdef CONFIG_XEN_PV +DECLARE_IDTENTRY_RAW(X86_TRAP_DB, xenpv_exc_debug); +#endif + +/* #DF */ +DECLARE_IDTENTRY_DF(X86_TRAP_DF, exc_double_fault); +#ifdef CONFIG_XEN_PV +DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_DF, xenpv_exc_double_fault); +#endif + +/* #CP */ +#ifdef CONFIG_X86_KERNEL_IBT +DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_CP, exc_control_protection); +#endif + +/* #VC */ +#ifdef CONFIG_AMD_MEM_ENCRYPT +DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); +#endif + +#ifdef CONFIG_XEN_PV +DECLARE_IDTENTRY_XENCB(X86_TRAP_OTHER, exc_xen_hypervisor_callback); +DECLARE_IDTENTRY_RAW(X86_TRAP_OTHER, exc_xen_unknown_trap); +#endif + +#ifdef CONFIG_INTEL_TDX_GUEST +DECLARE_IDTENTRY(X86_TRAP_VE, exc_virtualization_exception); +#endif + +/* Device interrupts common/spurious */ +DECLARE_IDTENTRY_IRQ(X86_TRAP_OTHER, common_interrupt); +#ifdef CONFIG_X86_LOCAL_APIC +DECLARE_IDTENTRY_IRQ(X86_TRAP_OTHER, spurious_interrupt); +#endif + +/* System vector entry points */ +#ifdef CONFIG_X86_LOCAL_APIC +DECLARE_IDTENTRY_SYSVEC(ERROR_APIC_VECTOR, sysvec_error_interrupt); +DECLARE_IDTENTRY_SYSVEC(SPURIOUS_APIC_VECTOR, sysvec_spurious_apic_interrupt); +DECLARE_IDTENTRY_SYSVEC(LOCAL_TIMER_VECTOR, sysvec_apic_timer_interrupt); +DECLARE_IDTENTRY_SYSVEC(X86_PLATFORM_IPI_VECTOR, sysvec_x86_platform_ipi); +#endif + +#ifdef CONFIG_SMP +DECLARE_IDTENTRY(RESCHEDULE_VECTOR, sysvec_reschedule_ipi); +DECLARE_IDTENTRY_SYSVEC(IRQ_MOVE_CLEANUP_VECTOR, sysvec_irq_move_cleanup); +DECLARE_IDTENTRY_SYSVEC(REBOOT_VECTOR, sysvec_reboot); +DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_SINGLE_VECTOR, sysvec_call_function_single); +DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_VECTOR, sysvec_call_function); +#endif + +#ifdef CONFIG_X86_LOCAL_APIC +# ifdef CONFIG_X86_MCE_THRESHOLD +DECLARE_IDTENTRY_SYSVEC(THRESHOLD_APIC_VECTOR, sysvec_threshold); +# endif + +# ifdef CONFIG_X86_MCE_AMD +DECLARE_IDTENTRY_SYSVEC(DEFERRED_ERROR_VECTOR, sysvec_deferred_error); +# endif + +# ifdef CONFIG_X86_THERMAL_VECTOR +DECLARE_IDTENTRY_SYSVEC(THERMAL_APIC_VECTOR, sysvec_thermal); +# endif + +# ifdef CONFIG_IRQ_WORK +DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR, sysvec_irq_work); +# endif +#endif + +#ifdef CONFIG_HAVE_KVM +DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_VECTOR, sysvec_kvm_posted_intr_ipi); +DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_WAKEUP_VECTOR, sysvec_kvm_posted_intr_wakeup_ipi); +DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_NESTED_VECTOR, sysvec_kvm_posted_intr_nested_ipi); +#endif + +#if IS_ENABLED(CONFIG_HYPERV) +DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_hyperv_callback); +DECLARE_IDTENTRY_SYSVEC(HYPERV_REENLIGHTENMENT_VECTOR, sysvec_hyperv_reenlightenment); +DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR, sysvec_hyperv_stimer0); +#endif + +#if IS_ENABLED(CONFIG_ACRN_GUEST) +DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_acrn_hv_callback); +#endif + +#ifdef CONFIG_XEN_PVHVM +DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_xen_hvm_callback); +#endif + +#ifdef CONFIG_KVM_GUEST +DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_kvm_asyncpf_interrupt); +#endif + +#undef X86_TRAP_OTHER + +#endif |