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authorAvi Kivity <avi@qumranet.com>2007-12-16 11:02:48 +0200
committerAvi Kivity <avi@qumranet.com>2008-01-30 18:01:18 +0200
commitedf884172e9828c6234b254208af04655855038d (patch)
treef5e5d1eecaed9737eced6ba60d09fe93149751c1 /drivers/kvm
parent9584bf2c93f56656dba0de8f6c75b54ca7995143 (diff)
KVM: Move arch dependent files to new directory arch/x86/kvm/
This paves the way for multiple architecture support. Note that while ioapic.c could potentially be shared with ia64, it is also moved. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm')
-rw-r--r--drivers/kvm/Kconfig57
-rw-r--r--drivers/kvm/Makefile10
-rw-r--r--drivers/kvm/i8259.c449
-rw-r--r--drivers/kvm/ioapic.c402
-rw-r--r--drivers/kvm/iodev.h2
-rw-r--r--drivers/kvm/irq.c99
-rw-r--r--drivers/kvm/irq.h196
-rw-r--r--drivers/kvm/kvm.h289
-rw-r--r--drivers/kvm/kvm_main.c2
-rw-r--r--drivers/kvm/kvm_svm.h45
-rw-r--r--drivers/kvm/lapic.c1087
-rw-r--r--drivers/kvm/mmu.c1806
-rw-r--r--drivers/kvm/mmu.h44
-rw-r--r--drivers/kvm/paging_tmpl.h461
-rw-r--r--drivers/kvm/segment_descriptor.h29
-rw-r--r--drivers/kvm/svm.c1725
-rw-r--r--drivers/kvm/svm.h325
-rw-r--r--drivers/kvm/types.h54
-rw-r--r--drivers/kvm/vmx.c2673
-rw-r--r--drivers/kvm/vmx.h324
-rw-r--r--drivers/kvm/x86.c3148
-rw-r--r--drivers/kvm/x86.h602
-rw-r--r--drivers/kvm/x86_emulate.c1913
-rw-r--r--drivers/kvm/x86_emulate.h186
24 files changed, 2 insertions, 15926 deletions
diff --git a/drivers/kvm/Kconfig b/drivers/kvm/Kconfig
deleted file mode 100644
index c83e1c9b512..00000000000
--- a/drivers/kvm/Kconfig
+++ /dev/null
@@ -1,57 +0,0 @@
-#
-# KVM configuration
-#
-config HAVE_KVM
- bool
-
-menuconfig VIRTUALIZATION
- bool "Virtualization"
- depends on HAVE_KVM || X86
- default y
- ---help---
- Say Y here to get to see options for using your Linux host to run other
- operating systems inside virtual machines (guests).
- This option alone does not add any kernel code.
-
- If you say N, all options in this submenu will be skipped and disabled.
-
-if VIRTUALIZATION
-
-config KVM
- tristate "Kernel-based Virtual Machine (KVM) support"
- depends on HAVE_KVM && EXPERIMENTAL
- select PREEMPT_NOTIFIERS
- select ANON_INODES
- ---help---
- Support hosting fully virtualized guest machines using hardware
- virtualization extensions. You will need a fairly recent
- processor equipped with virtualization extensions. You will also
- need to select one or more of the processor modules below.
-
- This module provides access to the hardware capabilities through
- a character device node named /dev/kvm.
-
- To compile this as a module, choose M here: the module
- will be called kvm.
-
- If unsure, say N.
-
-config KVM_INTEL
- tristate "KVM for Intel processors support"
- depends on KVM
- ---help---
- Provides support for KVM on Intel processors equipped with the VT
- extensions.
-
-config KVM_AMD
- tristate "KVM for AMD processors support"
- depends on KVM
- ---help---
- Provides support for KVM on AMD processors equipped with the AMD-V
- (SVM) extensions.
-
-# OK, it's a little counter-intuitive to do this, but it puts it neatly under
-# the virtualization menu.
-source drivers/lguest/Kconfig
-
-endif # VIRTUALIZATION
diff --git a/drivers/kvm/Makefile b/drivers/kvm/Makefile
deleted file mode 100644
index cf18ad46e98..00000000000
--- a/drivers/kvm/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# Makefile for Kernel-based Virtual Machine module
-#
-
-kvm-objs := kvm_main.o x86.o mmu.o x86_emulate.o i8259.o irq.o lapic.o ioapic.o
-obj-$(CONFIG_KVM) += kvm.o
-kvm-intel-objs = vmx.o
-obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
-kvm-amd-objs = svm.o
-obj-$(CONFIG_KVM_AMD) += kvm-amd.o
diff --git a/drivers/kvm/i8259.c b/drivers/kvm/i8259.c
deleted file mode 100644
index b3cad632f3d..00000000000
--- a/drivers/kvm/i8259.c
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * 8259 interrupt controller emulation
- *
- * Copyright (c) 2003-2004 Fabrice Bellard
- * Copyright (c) 2007 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- * Authors:
- * Yaozu (Eddie) Dong <Eddie.dong@intel.com>
- * Port from Qemu.
- */
-#include <linux/mm.h>
-#include "irq.h"
-#include "kvm.h"
-
-/*
- * set irq level. If an edge is detected, then the IRR is set to 1
- */
-static inline void pic_set_irq1(struct kvm_kpic_state *s, int irq, int level)
-{
- int mask;
- mask = 1 << irq;
- if (s->elcr & mask) /* level triggered */
- if (level) {
- s->irr |= mask;
- s->last_irr |= mask;
- } else {
- s->irr &= ~mask;
- s->last_irr &= ~mask;
- }
- else /* edge triggered */
- if (level) {
- if ((s->last_irr & mask) == 0)
- s->irr |= mask;
- s->last_irr |= mask;
- } else
- s->last_irr &= ~mask;
-}
-
-/*
- * return the highest priority found in mask (highest = smallest
- * number). Return 8 if no irq
- */
-static inline int get_priority(struct kvm_kpic_state *s, int mask)
-{
- int priority;
- if (mask == 0)
- return 8;
- priority = 0;
- while ((mask & (1 << ((priority + s->priority_add) & 7))) == 0)
- priority++;
- return priority;
-}
-
-/*
- * return the pic wanted interrupt. return -1 if none
- */
-static int pic_get_irq(struct kvm_kpic_state *s)
-{
- int mask, cur_priority, priority;
-
- mask = s->irr & ~s->imr;
- priority = get_priority(s, mask);
- if (priority == 8)
- return -1;
- /*
- * compute current priority. If special fully nested mode on the
- * master, the IRQ coming from the slave is not taken into account
- * for the priority computation.
- */
- mask = s->isr;
- if (s->special_fully_nested_mode && s == &s->pics_state->pics[0])
- mask &= ~(1 << 2);
- cur_priority = get_priority(s, mask);
- if (priority < cur_priority)
- /*
- * higher priority found: an irq should be generated
- */
- return (priority + s->priority_add) & 7;
- else
- return -1;
-}
-
-/*
- * raise irq to CPU if necessary. must be called every time the active
- * irq may change
- */
-static void pic_update_irq(struct kvm_pic *s)
-{
- int irq2, irq;
-
- irq2 = pic_get_irq(&s->pics[1]);
- if (irq2 >= 0) {
- /*
- * if irq request by slave pic, signal master PIC
- */
- pic_set_irq1(&s->pics[0], 2, 1);
- pic_set_irq1(&s->pics[0], 2, 0);
- }
- irq = pic_get_irq(&s->pics[0]);
- if (irq >= 0)
- s->irq_request(s->irq_request_opaque, 1);
- else
- s->irq_request(s->irq_request_opaque, 0);
-}
-
-void kvm_pic_update_irq(struct kvm_pic *s)
-{
- pic_update_irq(s);
-}
-
-void kvm_pic_set_irq(void *opaque, int irq, int level)
-{
- struct kvm_pic *s = opaque;
-
- pic_set_irq1(&s->pics[irq >> 3], irq & 7, level);
- pic_update_irq(s);
-}
-
-/*
- * acknowledge interrupt 'irq'
- */
-static inline void pic_intack(struct kvm_kpic_state *s, int irq)
-{
- if (s->auto_eoi) {
- if (s->rotate_on_auto_eoi)
- s->priority_add = (irq + 1) & 7;
- } else
- s->isr |= (1 << irq);
- /*
- * We don't clear a level sensitive interrupt here
- */
- if (!(s->elcr & (1 << irq)))
- s->irr &= ~(1 << irq);
-}
-
-int kvm_pic_read_irq(struct kvm_pic *s)
-{
- int irq, irq2, intno;
-
- irq = pic_get_irq(&s->pics[0]);
- if (irq >= 0) {
- pic_intack(&s->pics[0], irq);
- if (irq == 2) {
- irq2 = pic_get_irq(&s->pics[1]);
- if (irq2 >= 0)
- pic_intack(&s->pics[1], irq2);
- else
- /*
- * spurious IRQ on slave controller
- */
- irq2 = 7;
- intno = s->pics[1].irq_base + irq2;
- irq = irq2 + 8;
- } else
- intno = s->pics[0].irq_base + irq;
- } else {
- /*
- * spurious IRQ on host controller
- */
- irq = 7;
- intno = s->pics[0].irq_base + irq;
- }
- pic_update_irq(s);
-
- return intno;
-}
-
-void kvm_pic_reset(struct kvm_kpic_state *s)
-{
- s->last_irr = 0;
- s->irr = 0;
- s->imr = 0;
- s->isr = 0;
- s->priority_add = 0;
- s->irq_base = 0;
- s->read_reg_select = 0;
- s->poll = 0;
- s->special_mask = 0;
- s->init_state = 0;
- s->auto_eoi = 0;
- s->rotate_on_auto_eoi = 0;
- s->special_fully_nested_mode = 0;
- s->init4 = 0;
-}
-
-static void pic_ioport_write(void *opaque, u32 addr, u32 val)
-{
- struct kvm_kpic_state *s = opaque;
- int priority, cmd, irq;
-
- addr &= 1;
- if (addr == 0) {
- if (val & 0x10) {
- kvm_pic_reset(s); /* init */
- /*
- * deassert a pending interrupt
- */
- s->pics_state->irq_request(s->pics_state->
- irq_request_opaque, 0);
- s->init_state = 1;
- s->init4 = val & 1;
- if (val & 0x02)
- printk(KERN_ERR "single mode not supported");
- if (val & 0x08)
- printk(KERN_ERR
- "level sensitive irq not supported");
- } else if (val & 0x08) {
- if (val & 0x04)
- s->poll = 1;
- if (val & 0x02)
- s->read_reg_select = val & 1;
- if (val & 0x40)
- s->special_mask = (val >> 5) & 1;
- } else {
- cmd = val >> 5;
- switch (cmd) {
- case 0:
- case 4:
- s->rotate_on_auto_eoi = cmd >> 2;
- break;
- case 1: /* end of interrupt */
- case 5:
- priority = get_priority(s, s->isr);
- if (priority != 8) {
- irq = (priority + s->priority_add) & 7;
- s->isr &= ~(1 << irq);
- if (cmd == 5)
- s->priority_add = (irq + 1) & 7;
- pic_update_irq(s->pics_state);
- }
- break;
- case 3:
- irq = val & 7;
- s->isr &= ~(1 << irq);
- pic_update_irq(s->pics_state);
- break;
- case 6:
- s->priority_add = (val + 1) & 7;
- pic_update_irq(s->pics_state);
- break;
- case 7:
- irq = val & 7;
- s->isr &= ~(1 << irq);
- s->priority_add = (irq + 1) & 7;
- pic_update_irq(s->pics_state);
- break;
- default:
- break; /* no operation */
- }
- }
- } else
- switch (s->init_state) {
- case 0: /* normal mode */
- s->imr = val;
- pic_update_irq(s->pics_state);
- break;
- case 1:
- s->irq_base = val & 0xf8;
- s->init_state = 2;
- break;
- case 2:
- if (s->init4)
- s->init_state = 3;
- else
- s->init_state = 0;
- break;
- case 3:
- s->special_fully_nested_mode = (val >> 4) & 1;
- s->auto_eoi = (val >> 1) & 1;
- s->init_state = 0;
- break;
- }
-}
-
-static u32 pic_poll_read(struct kvm_kpic_state *s, u32 addr1)
-{
- int ret;
-
- ret = pic_get_irq(s);
- if (ret >= 0) {
- if (addr1 >> 7) {
- s->pics_state->pics[0].isr &= ~(1 << 2);
- s->pics_state->pics[0].irr &= ~(1 << 2);
- }
- s->irr &= ~(1 << ret);
- s->isr &= ~(1 << ret);
- if (addr1 >> 7 || ret != 2)
- pic_update_irq(s->pics_state);
- } else {
- ret = 0x07;
- pic_update_irq(s->pics_state);
- }
-
- return ret;
-}
-
-static u32 pic_ioport_read(void *opaque, u32 addr1)
-{
- struct kvm_kpic_state *s = opaque;
- unsigned int addr;
- int ret;
-
- addr = addr1;
- addr &= 1;
- if (s->poll) {
- ret = pic_poll_read(s, addr1);
- s->poll = 0;
- } else
- if (addr == 0)
- if (s->read_reg_select)
- ret = s->isr;
- else
- ret = s->irr;
- else
- ret = s->imr;
- return ret;
-}
-
-static void elcr_ioport_write(void *opaque, u32 addr, u32 val)
-{
- struct kvm_kpic_state *s = opaque;
- s->elcr = val & s->elcr_mask;
-}
-
-static u32 elcr_ioport_read(void *opaque, u32 addr1)
-{
- struct kvm_kpic_state *s = opaque;
- return s->elcr;
-}
-
-static int picdev_in_range(struct kvm_io_device *this, gpa_t addr)
-{
- switch (addr) {
- case 0x20:
- case 0x21:
- case 0xa0:
- case 0xa1:
- case 0x4d0:
- case 0x4d1:
- return 1;
- default:
- return 0;
- }
-}
-
-static void picdev_write(struct kvm_io_device *this,
- gpa_t addr, int len, const void *val)
-{
- struct kvm_pic *s = this->private;
- unsigned char data = *(unsigned char *)val;
-
- if (len != 1) {
- if (printk_ratelimit())
- printk(KERN_ERR "PIC: non byte write\n");
- return;
- }
- switch (addr) {
- case 0x20:
- case 0x21:
- case 0xa0:
- case 0xa1:
- pic_ioport_write(&s->pics[addr >> 7], addr, data);
- break;
- case 0x4d0:
- case 0x4d1:
- elcr_ioport_write(&s->pics[addr & 1], addr, data);
- break;
- }
-}
-
-static void picdev_read(struct kvm_io_device *this,
- gpa_t addr, int len, void *val)
-{
- struct kvm_pic *s = this->private;
- unsigned char data = 0;
-
- if (len != 1) {
- if (printk_ratelimit())
- printk(KERN_ERR "PIC: non byte read\n");
- return;
- }
- switch (addr) {
- case 0x20:
- case 0x21:
- case 0xa0:
- case 0xa1:
- data = pic_ioport_read(&s->pics[addr >> 7], addr);
- break;
- case 0x4d0:
- case 0x4d1:
- data = elcr_ioport_read(&s->pics[addr & 1], addr);
- break;
- }
- *(unsigned char *)val = data;
-}
-
-/*
- * callback when PIC0 irq status changed
- */
-static void pic_irq_request(void *opaque, int level)
-{
- struct kvm *kvm = opaque;
- struct kvm_vcpu *vcpu = kvm->vcpus[0];
-
- pic_irqchip(kvm)->output = level;
- if (vcpu)
- kvm_vcpu_kick(vcpu);
-}
-
-struct kvm_pic *kvm_create_pic(struct kvm *kvm)
-{
- struct kvm_pic *s;
- s = kzalloc(sizeof(struct kvm_pic), GFP_KERNEL);
- if (!s)
- return NULL;
- s->pics[0].elcr_mask = 0xf8;
- s->pics[1].elcr_mask = 0xde;
- s->irq_request = pic_irq_request;
- s->irq_request_opaque = kvm;
- s->pics[0].pics_state = s;
- s->pics[1].pics_state = s;
-
- /*
- * Initialize PIO device
- */
- s->dev.read = picdev_read;
- s->dev.write = picdev_write;
- s->dev.in_range = picdev_in_range;
- s->dev.private = s;
- kvm_io_bus_register_dev(&kvm->pio_bus, &s->dev);
- return s;
-}
diff --git a/drivers/kvm/ioapic.c b/drivers/kvm/ioapic.c
deleted file mode 100644
index f8236774c1b..00000000000
--- a/drivers/kvm/ioapic.c
+++ /dev/null
@@ -1,402 +0,0 @@
-/*
- * Copyright (C) 2001 MandrakeSoft S.A.
- *
- * MandrakeSoft S.A.
- * 43, rue d'Aboukir
- * 75002 Paris - France
- * http://www.linux-mandrake.com/
- * http://www.mandrakesoft.com/
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Yunhong Jiang <yunhong.jiang@intel.com>
- * Yaozu (Eddie) Dong <eddie.dong@intel.com>
- * Based on Xen 3.1 code.
- */
-
-#include "kvm.h"
-#include "x86.h"
-
-#include <linux/kvm.h>
-#include <linux/mm.h>
-#include <linux/highmem.h>
-#include <linux/smp.h>
-#include <linux/hrtimer.h>
-#include <linux/io.h>
-#include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/current.h>
-#include "irq.h"
-#if 0
-#define ioapic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg)
-#else
-#define ioapic_debug(fmt, arg...)
-#endif
-static void ioapic_deliver(struct kvm_ioapic *vioapic, int irq);
-
-static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic,
- unsigned long addr,
- unsigned long length)
-{
- unsigned long result = 0;
-
- switch (ioapic->ioregsel) {
- case IOAPIC_REG_VERSION:
- result = ((((IOAPIC_NUM_PINS - 1) & 0xff) << 16)
- | (IOAPIC_VERSION_ID & 0xff));
- break;
-
- case IOAPIC_REG_APIC_ID:
- case IOAPIC_REG_ARB_ID:
- result = ((ioapic->id & 0xf) << 24);
- break;
-
- default:
- {
- u32 redir_index = (ioapic->ioregsel - 0x10) >> 1;
- u64 redir_content;
-
- ASSERT(redir_index < IOAPIC_NUM_PINS);
-
- redir_content = ioapic->redirtbl[redir_index].bits;
- result = (ioapic->ioregsel & 0x1) ?
- (redir_content >> 32) & 0xffffffff :
- redir_content & 0xffffffff;
- break;
- }
- }
-
- return result;
-}
-
-static void ioapic_service(struct kvm_ioapic *ioapic, unsigned int idx)
-{
- union ioapic_redir_entry *pent;
-
- pent = &ioapic->redirtbl[idx];
-
- if (!pent->fields.mask) {
- ioapic_deliver(ioapic, idx);
- if (pent->fields.trig_mode == IOAPIC_LEVEL_TRIG)
- pent->fields.remote_irr = 1;
- }
- if (!pent->fields.trig_mode)
- ioapic->irr &= ~(1 << idx);
-}
-
-static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
-{
- unsigned index;
-
- switch (ioapic->ioregsel) {
- case IOAPIC_REG_VERSION:
- /* Writes are ignored. */
- break;
-
- case IOAPIC_REG_APIC_ID:
- ioapic->id = (val >> 24) & 0xf;
- break;
-
- case IOAPIC_REG_ARB_ID:
- break;
-
- default:
- index = (ioapic->ioregsel - 0x10) >> 1;
-
- ioapic_debug("change redir index %x val %x\n", index, val);
- if (index >= IOAPIC_NUM_PINS)
- return;
- if (ioapic->ioregsel & 1) {
- ioapic->redirtbl[index].bits &= 0xffffffff;
- ioapic->redirtbl[index].bits |= (u64) val << 32;
- } else {
- ioapic->redirtbl[index].bits &= ~0xffffffffULL;
- ioapic->redirtbl[index].bits |= (u32) val;
- ioapic->redirtbl[index].fields.remote_irr = 0;
- }
- if (ioapic->irr & (1 << index))
- ioapic_service(ioapic, index);
- break;
- }
-}
-
-static void ioapic_inj_irq(struct kvm_ioapic *ioapic,
- struct kvm_vcpu *vcpu,
- u8 vector, u8 trig_mode, u8 delivery_mode)
-{
- ioapic_debug("irq %d trig %d deliv %d\n", vector, trig_mode,
- delivery_mode);
-
- ASSERT((delivery_mode == IOAPIC_FIXED) ||
- (delivery_mode == IOAPIC_LOWEST_PRIORITY));
-
- kvm_apic_set_irq(vcpu, vector, trig_mode);
-}
-
-static u32 ioapic_get_delivery_bitmask(struct kvm_ioapic *ioapic, u8 dest,
- u8 dest_mode)
-{
- u32 mask = 0;
- int i;
- struct kvm *kvm = ioapic->kvm;
- struct kvm_vcpu *vcpu;
-
- ioapic_debug("dest %d dest_mode %d\n", dest, dest_mode);
-
- if (dest_mode == 0) { /* Physical mode. */
- if (dest == 0xFF) { /* Broadcast. */
- for (i = 0; i < KVM_MAX_VCPUS; ++i)
- if (kvm->vcpus[i] && kvm->vcpus[i]->arch.apic)
- mask |= 1 << i;
- return mask;
- }
- for (i = 0; i < KVM_MAX_VCPUS; ++i) {
- vcpu = kvm->vcpus[i];
- if (!vcpu)
- continue;
- if (kvm_apic_match_physical_addr(vcpu->arch.apic, dest)) {
- if (vcpu->arch.apic)
- mask = 1 << i;
- break;
- }
- }
- } else if (dest != 0) /* Logical mode, MDA non-zero. */
- for (i = 0; i < KVM_MAX_VCPUS; ++i) {
- vcpu = kvm->vcpus[i];
- if (!vcpu)
- continue;
- if (vcpu->arch.apic &&
- kvm_apic_match_logical_addr(vcpu->arch.apic, dest))
- mask |= 1 << vcpu->vcpu_id;
- }
- ioapic_debug("mask %x\n", mask);
- return mask;
-}
-
-static void ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
-{
- u8 dest = ioapic->redirtbl[irq].fields.dest_id;
- u8 dest_mode = ioapic->redirtbl[irq].fields.dest_mode;
- u8 delivery_mode = ioapic->redirtbl[irq].fields.delivery_mode;
- u8 vector = ioapic->redirtbl[irq].fields.vector;
- u8 trig_mode = ioapic->redirtbl[irq].fields.trig_mode;
- u32 deliver_bitmask;
- struct kvm_vcpu *vcpu;
- int vcpu_id;
-
- ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x "
- "vector=%x trig_mode=%x\n",
- dest, dest_mode, delivery_mode, vector, trig_mode);
-
- deliver_bitmask = ioapic_get_delivery_bitmask(ioapic, dest, dest_mode);
- if (!deliver_bitmask) {
- ioapic_debug("no target on destination\n");
- return;
- }
-
- switch (delivery_mode) {
- case IOAPIC_LOWEST_PRIORITY:
- vcpu = kvm_get_lowest_prio_vcpu(ioapic->kvm, vector,
- deliver_bitmask);
- if (vcpu != NULL)
- ioapic_inj_irq(ioapic, vcpu, vector,
- trig_mode, delivery_mode);
- else
- ioapic_debug("null lowest prio vcpu: "
- "mask=%x vector=%x delivery_mode=%x\n",
- deliver_bitmask, vector, IOAPIC_LOWEST_PRIORITY);
- break;
- case IOAPIC_FIXED:
- for (vcpu_id = 0; deliver_bitmask != 0; vcpu_id++) {
- if (!(deliver_bitmask & (1 << vcpu_id)))
- continue;
- deliver_bitmask &= ~(1 << vcpu_id);
- vcpu = ioapic->kvm->vcpus[vcpu_id];
- if (vcpu) {
- ioapic_inj_irq(ioapic, vcpu, vector,
- trig_mode, delivery_mode);
- }
- }
- break;
-
- /* TODO: NMI */
- default:
- printk(KERN_WARNING "Unsupported delivery mode %d\n",
- delivery_mode);
- break;
- }
-}
-
-void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
-{
- u32 old_irr = ioapic->irr;
- u32 mask = 1 << irq;
- union ioapic_redir_entry entry;
-
- if (irq >= 0 && irq < IOAPIC_NUM_PINS) {
- entry = ioapic->redirtbl[irq];
- level ^= entry.fields.polarity;
- if (!level)
- ioapic->irr &= ~mask;
- else {
- ioapic->irr |= mask;
- if ((!entry.fields.trig_mode && old_irr != ioapic->irr)
- || !entry.fields.remote_irr)
- ioapic_service(ioapic, irq);
- }
- }
-}
-
-static int get_eoi_gsi(struct kvm_ioapic *ioapic, int vector)
-{
- int i;
-
- for (i = 0; i < IOAPIC_NUM_PINS; i++)
- if (ioapic->redirtbl[i].fields.vector == vector)
- return i;
- return -1;
-}
-
-void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)
-{
- struct kvm_ioapic *ioapic = kvm->arch.vioapic;
- union ioapic_redir_entry *ent;
- int gsi;
-
- gsi = get_eoi_gsi(ioapic, vector);
- if (gsi == -1) {
- printk(KERN_WARNING "Can't find redir item for %d EOI\n",
- vector);
- return;
- }
-
- ent = &ioapic->redirtbl[gsi];
- ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG);
-
- ent->fields.remote_irr = 0;
- if (!ent->fields.mask && (ioapic->irr & (1 << gsi)))
- ioapic_deliver(ioapic, gsi);
-}
-
-static int ioapic_in_range(struct kvm_io_device *this, gpa_t addr)
-{
- struct kvm_ioapic *ioapic = (struct kvm_ioapic *)this->private;
-
- return ((addr >= ioapic->base_address &&
- (addr < ioapic->base_address + IOAPIC_MEM_LENGTH)));
-}
-
-static void ioapic_mmio_read(struct kvm_io_device *this, gpa_t addr, int len,
- void *val)
-{
- struct kvm_ioapic *ioapic = (struct kvm_ioapic *)this->private;
- u32 result;
-
- ioapic_debug("addr %lx\n", (unsigned long)addr);
- ASSERT(!(addr & 0xf)); /* check alignment */
-
- addr &= 0xff;
- switch (addr) {
- case IOAPIC_REG_SELECT:
- result = ioapic->ioregsel;
- break;
-
- case IOAPIC_REG_WINDOW:
- result = ioapic_read_indirect(ioapic, addr, len);
- break;
-
- default:
- result = 0;
- break;
- }
- switch (len) {
- case 8:
- *(u64 *) val = result;
- break;
- case 1:
- case 2:
- case 4:
- memcpy(val, (char *)&result, len);
- break;
- default:
- printk(KERN_WARNING "ioapic: wrong length %d\n", len);
- }
-}
-
-static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
- const void *val)
-{
- struct kvm_ioapic *ioapic = (struct kvm_ioapic *)this->private;
- u32 data;
-
- ioapic_debug("ioapic_mmio_write addr=%p len=%d val=%p\n",
- (void*)addr, len, val);
- ASSERT(!(addr & 0xf)); /* check alignment */
- if (len == 4 || len == 8)
- data = *(u32 *) val;
- else {
- printk(KERN_WARNING "ioapic: Unsupported size %d\n", len);
- return;
- }
-
- addr &= 0xff;
- switch (addr) {
- case IOAPIC_REG_SELECT:
- ioapic->ioregsel = data;
- break;
-
- case IOAPIC_REG_WINDOW:
- ioapic_write_indirect(ioapic, data);
- break;
-#ifdef CONFIG_IA64
- case IOAPIC_REG_EOI:
- kvm_ioapic_update_eoi(ioapic, data);
- break;
-#endif
-
- default:
- break;
- }
-}
-
-void kvm_ioapic_reset(struct kvm_ioapic *ioapic)
-{
- int i;
-
- for (i = 0; i < IOAPIC_NUM_PINS; i++)
- ioapic->redirtbl[i].fields.mask = 1;
- ioapic->base_address = IOAPIC_DEFAULT_BASE_ADDRESS;
- ioapic->ioregsel = 0;
- ioapic->irr = 0;
- ioapic->id = 0;
-}
-
-int kvm_ioapic_init(struct kvm *kvm)
-{
- struct kvm_ioapic *ioapic;
-
- ioapic = kzalloc(sizeof(struct kvm_ioapic), GFP_KERNEL);
- if (!ioapic)
- return -ENOMEM;
- kvm->arch.vioapic = ioapic;
- kvm_ioapic_reset(ioapic);
- ioapic->dev.read = ioapic_mmio_read;
- ioapic->dev.write = ioapic_mmio_write;
- ioapic->dev.in_range = ioapic_in_range;
- ioapic->dev.private = ioapic;
- ioapic->kvm = kvm;
- kvm_io_bus_register_dev(&kvm->mmio_bus, &ioapic->dev);
- return 0;
-}
diff --git a/drivers/kvm/iodev.h b/drivers/kvm/iodev.h
index eb9e8a71843..c14e642027b 100644
--- a/drivers/kvm/iodev.h
+++ b/drivers/kvm/iodev.h
@@ -16,7 +16,7 @@
#ifndef __KVM_IODEV_H__
#define __KVM_IODEV_H__
-#include "types.h"
+#include <linux/kvm_types.h>
struct kvm_io_device {
void (*read)(struct kvm_io_device *this,
diff --git a/drivers/kvm/irq.c b/drivers/kvm/irq.c
deleted file mode 100644
index 59b47c55fc7..00000000000
--- a/drivers/kvm/irq.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * irq.c: API for in kernel interrupt controller
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- * Authors:
- * Yaozu (Eddie) Dong <Eddie.dong@intel.com>
- *
- */
-
-#include <linux/module.h>
-
-#include "kvm.h"
-#include "x86.h"
-#include "irq.h"
-
-/*
- * check if there is pending interrupt without
- * intack.
- */
-int kvm_cpu_has_interrupt(struct kvm_vcpu *v)
-{
- struct kvm_pic *s;
-
- if (kvm_apic_has_interrupt(v) == -1) { /* LAPIC */
- if (kvm_apic_accept_pic_intr(v)) {
- s = pic_irqchip(v->kvm); /* PIC */
- return s->output;
- } else
- return 0;
- }
- return 1;
-}
-EXPORT_SYMBOL_GPL(kvm_cpu_has_interrupt);
-
-/*
- * Read pending interrupt vector and intack.
- */
-int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
-{
- struct kvm_pic *s;
- int vector;
-
- vector = kvm_get_apic_interrupt(v); /* APIC */
- if (vector == -1) {
- if (kvm_apic_accept_pic_intr(v)) {
- s = pic_irqchip(v->kvm);
- s->output = 0; /* PIC */
- vector = kvm_pic_read_irq(s);
- }