/* $OpenBSD: i82489var.h,v 1.22 2025/11/12 09:48:52 hshoexer Exp $ */ /* $NetBSD: i82489var.h,v 1.1 2003/02/26 21:26:10 fvdl Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Frank van der Linden. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _MACHINE_I82489VAR_H_ #define _MACHINE_I82489VAR_H_ #include "vmm.h" /* * Software definitions belonging to Local APIC driver. */ #ifdef _KERNEL extern volatile u_int32_t local_apic[]; extern volatile u_int32_t lapic_tpr; #endif extern u_int32_t (*lapic_readreg)(int); extern void (*lapic_writereg)(int, u_int32_t); u_int32_t lapic_cpu_number(void); /* * "spurious interrupt vector"; vector used by interrupt which was * aborted because the CPU masked it after it happened but before it * was delivered.. "Oh, sorry, i caught you at a bad time". * Low-order 4 bits must be all ones. */ extern void Xintrspurious(void); #define LAPIC_SPURIOUS_VECTOR 0xef /* * Vector used for inter-processor interrupts. */ extern void Xintr_lapic_ipi(void); extern void Xrecurse_lapic_ipi(void); extern void Xresume_lapic_ipi(void); #define LAPIC_IPI_VECTOR 0xe0 /* * We take 0xf0-0xfe for fast IPI handlers. */ #define LAPIC_IPI_OFFSET 0xf0 #define LAPIC_IPI_INVLTLB (LAPIC_IPI_OFFSET + 0) #define LAPIC_IPI_INVLPG (LAPIC_IPI_OFFSET + 1) #define LAPIC_IPI_INVLRANGE (LAPIC_IPI_OFFSET + 2) #define LAPIC_IPI_INVEPT (LAPIC_IPI_OFFSET + 3) extern void Xipi_invltlb(void); extern void Xipi_invltlb_pcid(void); extern void Xipi_invlpg(void); extern void Xipi_invlpg_pcid(void); extern void Xipi_invlrange(void); extern void Xipi_invlrange_pcid(void); #if NVMM > 0 extern void Xipi_invept(void); #endif /* NVMM > 0 */ /* * Vector used for local apic timer interrupts. */ extern void Xintr_lapic_ltimer(void); extern void Xresume_lapic_ltimer(void); extern void Xrecurse_lapic_ltimer(void); #define LAPIC_TIMER_VECTOR 0xc0 /* * Vector used for Xen HVM Event Channel Interrupts. */ extern void Xintr_xen_upcall(void); extern void Xresume_xen_upcall(void); extern void Xrecurse_xen_upcall(void); #define LAPIC_XEN_VECTOR 0x70 /* * Vector used for Hyper-V Interrupts. */ extern void Xintr_hyperv_upcall(void); extern void Xresume_hyperv_upcall(void); extern void Xrecurse_hyperv_upcall(void); #define LAPIC_HYPERV_VECTOR 0x71 struct cpu_info; extern void lapic_boot_init(paddr_t); extern void lapic_set_lvt(void); extern void lapic_enable(void); extern void lapic_disable(void); extern void lapic_calibrate_timer(struct cpu_info *ci); extern void lapic_startclock(void); extern void lapic_initclocks(void); #endif
