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Date: Sun, 6 Jan 2008 16:39:23 +0200
From: Avi Kivity <avi@...ranet.com>
To: linux-kernel@...r.kernel.org, kvm-devel@...ts.sourceforge.net
Cc: Zhang Xiantao <xiantao.zhang@...el.com>
Subject: [PATCH 17/33] KVM: Move irqchip declarations into new ioapic.h and lapic.h
From: Zhang Xiantao <xiantao.zhang@...el.com>
This allows reuse of ioapic in ia64.
Signed-off-by: Zhang Xiantao <xiantao.zhang@...el.com>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
arch/x86/kvm/ioapic.c | 5 ++-
arch/x86/kvm/ioapic.h | 95 ++++++++++++++++++++++++++++++++++++++++
arch/x86/kvm/irq.h | 115 ++----------------------------------------------
arch/x86/kvm/lapic.h | 44 +++++++++++++++++++
4 files changed, 148 insertions(+), 111 deletions(-)
create mode 100644 arch/x86/kvm/ioapic.h
create mode 100644 arch/x86/kvm/lapic.h
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index 72f12f7..40cd53e 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -36,7 +36,10 @@
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/current.h>
-#include "irq.h"
+
+#include "ioapic.h"
+#include "lapic.h"
+
#if 0
#define ioapic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg)
#else
diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h
new file mode 100644
index 0000000..7f16675
--- /dev/null
+++ b/arch/x86/kvm/ioapic.h
@@ -0,0 +1,95 @@
+#ifndef __KVM_IO_APIC_H
+#define __KVM_IO_APIC_H
+
+#include <linux/kvm_host.h>
+
+#include "iodev.h"
+
+struct kvm;
+struct kvm_vcpu;
+
+#define IOAPIC_NUM_PINS KVM_IOAPIC_NUM_PINS
+#define IOAPIC_VERSION_ID 0x11 /* IOAPIC version */
+#define IOAPIC_EDGE_TRIG 0
+#define IOAPIC_LEVEL_TRIG 1
+
+#define IOAPIC_DEFAULT_BASE_ADDRESS 0xfec00000
+#define IOAPIC_MEM_LENGTH 0x100
+
+/* Direct registers. */
+#define IOAPIC_REG_SELECT 0x00
+#define IOAPIC_REG_WINDOW 0x10
+#define IOAPIC_REG_EOI 0x40 /* IA64 IOSAPIC only */
+
+/* Indirect registers. */
+#define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */
+#define IOAPIC_REG_VERSION 0x01
+#define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */
+
+/*ioapic delivery mode*/
+#define IOAPIC_FIXED 0x0
+#define IOAPIC_LOWEST_PRIORITY 0x1
+#define IOAPIC_PMI 0x2
+#define IOAPIC_NMI 0x4
+#define IOAPIC_INIT 0x5
+#define IOAPIC_EXTINT 0x7
+
+struct kvm_ioapic {
+ u64 base_address;
+ u32 ioregsel;
+ u32 id;
+ u32 irr;
+ u32 pad;
+ union ioapic_redir_entry {
+ u64 bits;
+ struct {
+ u8 vector;
+ u8 delivery_mode:3;
+ u8 dest_mode:1;
+ u8 delivery_status:1;
+ u8 polarity:1;
+ u8 remote_irr:1;
+ u8 trig_mode:1;
+ u8 mask:1;
+ u8 reserve:7;
+ u8 reserved[4];
+ u8 dest_id;
+ } fields;
+ } redirtbl[IOAPIC_NUM_PINS];
+ struct kvm_io_device dev;
+ struct kvm *kvm;
+};
+
+#ifdef DEBUG
+#define ASSERT(x) \
+do { \
+ if (!(x)) { \
+ printk(KERN_EMERG "assertion failed %s: %d: %s\n", \
+ __FILE__, __LINE__, #x); \
+ BUG(); \
+ } \
+} while (0)
+#else
+#define ASSERT(x) do { } while (0)
+#endif
+
+static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
+{
+ return kvm->arch.vioapic;
+}
+
+#ifdef CONFIG_IA64
+static inline int irqchip_in_kernel(struct kvm *kvm)
+{
+ return 1;
+}
+#endif
+
+struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector,
+ unsigned long bitmap);
+void kvm_ioapic_update_eoi(struct kvm *kvm, int vector);
+int kvm_ioapic_init(struct kvm *kvm);
+void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level);
+void kvm_ioapic_reset(struct kvm_ioapic *ioapic);
+
+#endif
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index 6316638..c376b5b 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -25,7 +25,10 @@
#include <linux/mm_types.h>
#include <linux/hrtimer.h>
#include <linux/kvm_host.h>
+
#include "iodev.h"
+#include "ioapic.h"
+#include "lapic.h"
struct kvm;
struct kvm_vcpu;
@@ -65,131 +68,23 @@ void kvm_pic_set_irq(void *opaque, int irq, int level);
int kvm_pic_read_irq(struct kvm_pic *s);
void kvm_pic_update_irq(struct kvm_pic *s);
-#define IOAPIC_NUM_PINS KVM_IOAPIC_NUM_PINS
-#define IOAPIC_VERSION_ID 0x11 /* IOAPIC version */
-#define IOAPIC_EDGE_TRIG 0
-#define IOAPIC_LEVEL_TRIG 1
-
-#define IOAPIC_DEFAULT_BASE_ADDRESS 0xfec00000
-#define IOAPIC_MEM_LENGTH 0x100
-
-/* Direct registers. */
-#define IOAPIC_REG_SELECT 0x00
-#define IOAPIC_REG_WINDOW 0x10
-#define IOAPIC_REG_EOI 0x40 /* IA64 IOSAPIC only */
-
-/* Indirect registers. */
-#define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */
-#define IOAPIC_REG_VERSION 0x01
-#define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */
-
-/*ioapic delivery mode*/
-#define IOAPIC_FIXED 0x0
-#define IOAPIC_LOWEST_PRIORITY 0x1
-#define IOAPIC_PMI 0x2
-#define IOAPIC_NMI 0x4
-#define IOAPIC_INIT 0x5
-#define IOAPIC_EXTINT 0x7
-
-struct kvm_ioapic {
- u64 base_address;
- u32 ioregsel;
- u32 id;
- u32 irr;
- u32 pad;
- union ioapic_redir_entry {
- u64 bits;
- struct {
- u8 vector;
- u8 delivery_mode:3;
- u8 dest_mode:1;
- u8 delivery_status:1;
- u8 polarity:1;
- u8 remote_irr:1;
- u8 trig_mode:1;
- u8 mask:1;
- u8 reserve:7;
- u8 reserved[4];
- u8 dest_id;
- } fields;
- } redirtbl[IOAPIC_NUM_PINS];
- struct kvm_io_device dev;
- struct kvm *kvm;
-};
-
-struct kvm_lapic {
- unsigned long base_address;
- struct kvm_io_device dev;
- struct {
- atomic_t pending;
- s64 period; /* unit: ns */
- u32 divide_count;
- ktime_t last_update;
- struct hrtimer dev;
- } timer;
- struct kvm_vcpu *vcpu;
- struct page *regs_page;
- void *regs;
-};
-
-#ifdef DEBUG
-#define ASSERT(x) \
-do { \
- if (!(x)) { \
- printk(KERN_EMERG "assertion failed %s: %d: %s\n", \
- __FILE__, __LINE__, #x); \
- BUG(); \
- } \
-} while (0)
-#else
-#define ASSERT(x) do { } while (0)
-#endif
-
static inline struct kvm_pic *pic_irqchip(struct kvm *kvm)
{
return kvm->arch.vpic;
}
-static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
-{
- return kvm->arch.vioapic;
-}
-
static inline int irqchip_in_kernel(struct kvm *kvm)
{
return pic_irqchip(kvm) != NULL;
}
-void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
-int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu);
-int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);
-int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);
-int kvm_create_lapic(struct kvm_vcpu *vcpu);
-void kvm_lapic_reset(struct kvm_vcpu *vcpu);
void kvm_pic_reset(struct kvm_kpic_state *s);
-void kvm_ioapic_reset(struct kvm_ioapic *ioapic);
-void kvm_free_lapic(struct kvm_vcpu *vcpu);
-u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
-void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);
-void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value);
-struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector,
- unsigned long bitmap);
-u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);
-void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);
-int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
-void kvm_ioapic_update_eoi(struct kvm *kvm, int vector);
-int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
-int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig);
-void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu);
-int kvm_ioapic_init(struct kvm *kvm);
-void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level);
-int kvm_lapic_enabled(struct kvm_vcpu *vcpu);
-int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);
-void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec);
void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec);
void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu);
void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu);
void kvm_migrate_apic_timer(struct kvm_vcpu *vcpu);
+void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
+
#endif
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
new file mode 100644
index 0000000..447b654
--- /dev/null
+++ b/arch/x86/kvm/lapic.h
@@ -0,0 +1,44 @@
+#ifndef __KVM_X86_LAPIC_H
+#define __KVM_X86_LAPIC_H
+
+#include "iodev.h"
+
+#include <linux/kvm_host.h>
+
+struct kvm_lapic {
+ unsigned long base_address;
+ struct kvm_io_device dev;
+ struct {
+ atomic_t pending;
+ s64 period; /* unit: ns */
+ u32 divide_count;
+ ktime_t last_update;
+ struct hrtimer dev;
+ } timer;
+ struct kvm_vcpu *vcpu;
+ struct page *regs_page;
+ void *regs;
+};
+int kvm_create_lapic(struct kvm_vcpu *vcpu);
+void kvm_free_lapic(struct kvm_vcpu *vcpu);
+
+int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu);
+int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);
+int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);
+void kvm_lapic_reset(struct kvm_vcpu *vcpu);
+u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
+void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);
+void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value);
+
+int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
+int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
+int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig);
+
+u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);
+void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);
+void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu);
+int kvm_lapic_enabled(struct kvm_vcpu *vcpu);
+int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);
+void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec);
+
+#endif
--
1.5.3.7
--
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