1 files changed, 0 insertions, 93 deletions
diff --git a/sys/amd64/vmm/vmm_ipi.c b/sys/amd64/vmm/vmm_ipi.c
deleted file mode 100644
index aefa3ba..0000000
--- a/sys/amd64/vmm/vmm_ipi.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*-
- * Copyright (c) 2011 NetApp, Inc.
- * All rights reserved.
- *
- * 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 NETAPP, INC ``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 NETAPP, INC 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-#include <sys/bus.h>
-
-#include <machine/intr_machdep.h>
-#include <x86/apicvar.h>
-#include <machine/segments.h>
-#include <machine/md_var.h>
-
-#include <machine/vmm.h>
-#include "vmm_ipi.h"
-
-extern inthand_t IDTVEC(rsvd), IDTVEC(justreturn);
-
-CTASSERT(APIC_SPURIOUS_INT == 255);
-
-int
-vmm_ipi_alloc(void)
-{
-	int idx;
-	uintptr_t func;
-	struct gate_descriptor *ip;
-
-	/*
-	 * Search backwards from the highest IDT vector available for use
-	 * as our IPI vector. We install the 'justreturn' handler at that
-	 * vector and use it to interrupt the vcpus.
-	 *
-	 * We do this because the IPI_AST is heavyweight and saves all
-	 * registers in the trapframe. This is overkill for our use case
-	 * which is simply to EOI the interrupt and return.
-	 */
-	idx = APIC_SPURIOUS_INT;
-	while (--idx >= APIC_IPI_INTS) {
-		ip = &idt[idx];
-		func = ((long)ip->gd_hioffset << 16 | ip->gd_looffset);
-		if (func == (uintptr_t)&IDTVEC(rsvd)) {
-			setidt(idx , IDTVEC(justreturn), SDT_SYSIGT,
-			       SEL_KPL, 0);
-			return (idx);
-		}
-	}
-	return (0);
-}
-
-void
-vmm_ipi_free(int ipinum)
-{
-	uintptr_t func;
-	struct gate_descriptor *ip;
-
-	KASSERT(ipinum >= APIC_IPI_INTS && ipinum < APIC_SPURIOUS_INT,
-	    ("invalid ipi %d", ipinum));
-
-	ip = &idt[ipinum];
-	func = ((long)ip->gd_hioffset << 16 | ip->gd_looffset);
-	KASSERT(func == (uintptr_t)&IDTVEC(justreturn),
-	    ("invalid ipi %d", ipinum));
-
-	setidt(ipinum, IDTVEC(rsvd), SDT_SYSIGT, SEL_KPL, 0);
-}