8df719341e
Intel VT-x classifies events into eight different types, which is inherited by FRED for event identification. As such, event types becomes a common x86 concept, and should be defined in a common x86 header. Add event type macros to <asm/trapnr.h>, and use them in <asm/vmx.h>. Suggested-by: H. Peter Anvin (Intel) <hpa@zytor.com> Signed-off-by: Xin Li <xin3.li@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Shan Kang <shan.kang@intel.com> Link: https://lore.kernel.org/r/20231205105030.8698-4-xin3.li@intel.com
44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_TRAPNR_H
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#define _ASM_X86_TRAPNR_H
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/*
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* Event type codes used by FRED, Intel VT-x and AMD SVM
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*/
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#define EVENT_TYPE_EXTINT 0 // External interrupt
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#define EVENT_TYPE_RESERVED 1
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#define EVENT_TYPE_NMI 2 // NMI
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#define EVENT_TYPE_HWEXC 3 // Hardware originated traps, exceptions
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#define EVENT_TYPE_SWINT 4 // INT n
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#define EVENT_TYPE_PRIV_SWEXC 5 // INT1
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#define EVENT_TYPE_SWEXC 6 // INTO, INT3
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#define EVENT_TYPE_OTHER 7 // FRED SYSCALL/SYSENTER, VT-x MTF
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/* Interrupts/Exceptions */
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#define X86_TRAP_DE 0 /* Divide-by-zero */
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#define X86_TRAP_DB 1 /* Debug */
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#define X86_TRAP_NMI 2 /* Non-maskable Interrupt */
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#define X86_TRAP_BP 3 /* Breakpoint */
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#define X86_TRAP_OF 4 /* Overflow */
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#define X86_TRAP_BR 5 /* Bound Range Exceeded */
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#define X86_TRAP_UD 6 /* Invalid Opcode */
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#define X86_TRAP_NM 7 /* Device Not Available */
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#define X86_TRAP_DF 8 /* Double Fault */
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#define X86_TRAP_OLD_MF 9 /* Coprocessor Segment Overrun */
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#define X86_TRAP_TS 10 /* Invalid TSS */
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#define X86_TRAP_NP 11 /* Segment Not Present */
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#define X86_TRAP_SS 12 /* Stack Segment Fault */
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#define X86_TRAP_GP 13 /* General Protection Fault */
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#define X86_TRAP_PF 14 /* Page Fault */
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#define X86_TRAP_SPURIOUS 15 /* Spurious Interrupt */
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#define X86_TRAP_MF 16 /* x87 Floating-Point Exception */
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#define X86_TRAP_AC 17 /* Alignment Check */
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#define X86_TRAP_MC 18 /* Machine Check */
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#define X86_TRAP_XF 19 /* SIMD Floating-Point Exception */
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#define X86_TRAP_VE 20 /* Virtualization Exception */
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#define X86_TRAP_CP 21 /* Control Protection Exception */
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#define X86_TRAP_VC 29 /* VMM Communication Exception */
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#define X86_TRAP_IRET 32 /* IRET Exception */
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#endif
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