diff mbox series

[15/26] KVM: Move include/kvm/iodev.h to include/linux as kvm_iodev.h

Message ID 20230916003118.2540661-16-seanjc@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: vfio: Hide KVM internals from others | expand

Commit Message

Sean Christopherson Sept. 16, 2023, 12:31 a.m. UTC
Move iodev.h, the last remaining holdout in include/kvm, to the standard
include/linux directory as kvm_iodev.h and delete include/kvm.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 MAINTAINERS                                | 1 -
 arch/arm64/include/asm/kvm_vgic.h          | 2 +-
 arch/arm64/kvm/vgic/vgic-mmio-v2.c         | 2 +-
 arch/arm64/kvm/vgic/vgic-mmio-v3.c         | 2 +-
 arch/arm64/kvm/vgic/vgic-mmio.c            | 2 +-
 arch/mips/include/asm/kvm_host.h           | 3 +--
 arch/powerpc/kvm/mpic.c                    | 2 +-
 arch/riscv/kvm/aia_aplic.c                 | 2 +-
 arch/riscv/kvm/aia_imsic.c                 | 2 +-
 arch/x86/kvm/i8254.h                       | 2 +-
 arch/x86/kvm/ioapic.h                      | 2 +-
 arch/x86/kvm/irq.h                         | 2 +-
 arch/x86/kvm/lapic.h                       | 2 +-
 include/{kvm/iodev.h => linux/kvm_iodev.h} | 0
 virt/kvm/coalesced_mmio.c                  | 3 +--
 virt/kvm/eventfd.c                         | 2 +-
 virt/kvm/kvm_main.c                        | 3 +--
 17 files changed, 15 insertions(+), 19 deletions(-)
 rename include/{kvm/iodev.h => linux/kvm_iodev.h} (100%)

Comments

Anup Patel Dec. 14, 2023, 6:02 a.m. UTC | #1
On Sat, Sep 16, 2023 at 6:01 AM Sean Christopherson <seanjc@google.com> wrote:
>
> Move iodev.h, the last remaining holdout in include/kvm, to the standard
> include/linux directory as kvm_iodev.h and delete include/kvm.
>
> Signed-off-by: Sean Christopherson <seanjc@google.com>

For KVM RISC-V:
Acked-by: Anup Patel <anup@brainfault.org>

Regards,
Anup

> ---
>  MAINTAINERS                                | 1 -
>  arch/arm64/include/asm/kvm_vgic.h          | 2 +-
>  arch/arm64/kvm/vgic/vgic-mmio-v2.c         | 2 +-
>  arch/arm64/kvm/vgic/vgic-mmio-v3.c         | 2 +-
>  arch/arm64/kvm/vgic/vgic-mmio.c            | 2 +-
>  arch/mips/include/asm/kvm_host.h           | 3 +--
>  arch/powerpc/kvm/mpic.c                    | 2 +-
>  arch/riscv/kvm/aia_aplic.c                 | 2 +-
>  arch/riscv/kvm/aia_imsic.c                 | 2 +-
>  arch/x86/kvm/i8254.h                       | 2 +-
>  arch/x86/kvm/ioapic.h                      | 2 +-
>  arch/x86/kvm/irq.h                         | 2 +-
>  arch/x86/kvm/lapic.h                       | 2 +-
>  include/{kvm/iodev.h => linux/kvm_iodev.h} | 0
>  virt/kvm/coalesced_mmio.c                  | 3 +--
>  virt/kvm/eventfd.c                         | 2 +-
>  virt/kvm/kvm_main.c                        | 3 +--
>  17 files changed, 15 insertions(+), 19 deletions(-)
>  rename include/{kvm/iodev.h => linux/kvm_iodev.h} (100%)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 90f13281d297..ddc8375d536c 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -11498,7 +11498,6 @@ W:      http://www.linux-kvm.org
>  T:     git git://git.kernel.org/pub/scm/virt/kvm/kvm.git
>  F:     Documentation/virt/kvm/
>  F:     include/asm-generic/kvm*
> -F:     include/kvm/iodev.h
>  F:     include/linux/kvm*
>  F:     include/trace/events/kvm.h
>  F:     include/uapi/asm-generic/kvm*
> diff --git a/arch/arm64/include/asm/kvm_vgic.h b/arch/arm64/include/asm/kvm_vgic.h
> index 5b27f94d4fad..2ca52888bc75 100644
> --- a/arch/arm64/include/asm/kvm_vgic.h
> +++ b/arch/arm64/include/asm/kvm_vgic.h
> @@ -13,7 +13,7 @@
>  #include <linux/spinlock.h>
>  #include <linux/static_key.h>
>  #include <linux/types.h>
> -#include <kvm/iodev.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/list.h>
>  #include <linux/jump_label.h>
>
> diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v2.c b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
> index bba0cfeefffe..646053ee892f 100644
> --- a/arch/arm64/kvm/vgic/vgic-mmio-v2.c
> +++ b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
> @@ -6,9 +6,9 @@
>  #include <linux/irqchip/arm-gic.h>
>  #include <linux/kvm.h>
>  #include <linux/kvm_host.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/nospec.h>
>
> -#include <kvm/iodev.h>
>  #include <asm/kvm_vgic.h>
>
>  #include "vgic.h"
> diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
> index d54a90beef61..b79a2e860415 100644
> --- a/arch/arm64/kvm/vgic/vgic-mmio-v3.c
> +++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
> @@ -7,8 +7,8 @@
>  #include <linux/irqchip/arm-gic-v3.h>
>  #include <linux/kvm.h>
>  #include <linux/kvm_host.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/interrupt.h>
> -#include <kvm/iodev.h>
>
>  #include <asm/kvm_emulate.h>
>  #include <asm/kvm_arm.h>
> diff --git a/arch/arm64/kvm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c
> index 68a3d8062473..4feca3b1d915 100644
> --- a/arch/arm64/kvm/vgic/vgic-mmio.c
> +++ b/arch/arm64/kvm/vgic/vgic-mmio.c
> @@ -9,7 +9,7 @@
>  #include <linux/irq.h>
>  #include <linux/kvm.h>
>  #include <linux/kvm_host.h>
> -#include <kvm/iodev.h>
> +#include <linux/kvm_iodev.h>
>  #include <asm/kvm_arch_timer.h>
>  #include <asm/kvm_vgic.h>
>
> diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
> index 54a85f1d4f2c..f8f63d0aa399 100644
> --- a/arch/mips/include/asm/kvm_host.h
> +++ b/arch/mips/include/asm/kvm_host.h
> @@ -16,6 +16,7 @@
>  #include <linux/interrupt.h>
>  #include <linux/types.h>
>  #include <linux/kvm.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/kvm_types.h>
>  #include <linux/threads.h>
>  #include <linux/spinlock.h>
> @@ -24,8 +25,6 @@
>  #include <asm/inst.h>
>  #include <asm/mipsregs.h>
>
> -#include <kvm/iodev.h>
> -
>  /* MIPS KVM register ids */
>  #define MIPS_CP0_32(_R, _S)                                    \
>         (KVM_REG_MIPS_CP0 | KVM_REG_SIZE_U32 | (8 * (_R) + (_S)))
> diff --git a/arch/powerpc/kvm/mpic.c b/arch/powerpc/kvm/mpic.c
> index 23e9c2bd9f27..b25a03251544 100644
> --- a/arch/powerpc/kvm/mpic.c
> +++ b/arch/powerpc/kvm/mpic.c
> @@ -26,6 +26,7 @@
>  #include <linux/slab.h>
>  #include <linux/mutex.h>
>  #include <linux/kvm_host.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/errno.h>
>  #include <linux/fs.h>
>  #include <linux/anon_inodes.h>
> @@ -33,7 +34,6 @@
>  #include <asm/mpic.h>
>  #include <asm/kvm_para.h>
>  #include <asm/kvm_ppc.h>
> -#include <kvm/iodev.h>
>
>  #define MAX_CPU     32
>  #define MAX_SRC     256
> diff --git a/arch/riscv/kvm/aia_aplic.c b/arch/riscv/kvm/aia_aplic.c
> index 39e72aa016a4..b49e747f2bad 100644
> --- a/arch/riscv/kvm/aia_aplic.c
> +++ b/arch/riscv/kvm/aia_aplic.c
> @@ -11,7 +11,7 @@
>  #include <linux/math.h>
>  #include <linux/spinlock.h>
>  #include <linux/swab.h>
> -#include <kvm/iodev.h>
> +#include <linux/kvm_iodev.h>
>  #include <asm/kvm_aia_aplic.h>
>
>  struct aplic_irq {
> diff --git a/arch/riscv/kvm/aia_imsic.c b/arch/riscv/kvm/aia_imsic.c
> index 6cf23b8adb71..586e466a1c6d 100644
> --- a/arch/riscv/kvm/aia_imsic.c
> +++ b/arch/riscv/kvm/aia_imsic.c
> @@ -10,10 +10,10 @@
>  #include <linux/atomic.h>
>  #include <linux/bitmap.h>
>  #include <linux/kvm_host.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/math.h>
>  #include <linux/spinlock.h>
>  #include <linux/swab.h>
> -#include <kvm/iodev.h>
>  #include <asm/csr.h>
>  #include <asm/kvm_aia_imsic.h>
>
> diff --git a/arch/x86/kvm/i8254.h b/arch/x86/kvm/i8254.h
> index a768212ba821..4de7a0b88e4f 100644
> --- a/arch/x86/kvm/i8254.h
> +++ b/arch/x86/kvm/i8254.h
> @@ -4,7 +4,7 @@
>
>  #include <linux/kthread.h>
>
> -#include <kvm/iodev.h>
> +#include <linux/kvm_iodev.h>
>
>  struct kvm_kpit_channel_state {
>         u32 count; /* can be 65536 */
> diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h
> index 539333ac4b38..2beec2daf1a3 100644
> --- a/arch/x86/kvm/ioapic.h
> +++ b/arch/x86/kvm/ioapic.h
> @@ -3,7 +3,7 @@
>  #define __KVM_IO_APIC_H
>
>  #include <linux/kvm_host.h>
> -#include <kvm/iodev.h>
> +#include <linux/kvm_iodev.h>
>  #include "irq.h"
>
>  struct kvm;
> diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
> index c2d7cfe82d00..f9530e9a66f8 100644
> --- a/arch/x86/kvm/irq.h
> +++ b/arch/x86/kvm/irq.h
> @@ -13,9 +13,9 @@
>  #include <linux/mm_types.h>
>  #include <linux/hrtimer.h>
>  #include <linux/kvm_host.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/spinlock.h>
>
> -#include <kvm/iodev.h>
>  #include "lapic.h"
>
>  #define PIC_NUM_PINS 16
> diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
> index 0a0ea4b5dd8c..bfd99ad1882e 100644
> --- a/arch/x86/kvm/lapic.h
> +++ b/arch/x86/kvm/lapic.h
> @@ -2,7 +2,7 @@
>  #ifndef __KVM_X86_LAPIC_H
>  #define __KVM_X86_LAPIC_H
>
> -#include <kvm/iodev.h>
> +#include <linux/kvm_iodev.h>
>
>  #include <linux/kvm_host.h>
>
> diff --git a/include/kvm/iodev.h b/include/linux/kvm_iodev.h
> similarity index 100%
> rename from include/kvm/iodev.h
> rename to include/linux/kvm_iodev.h
> diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
> index 1b90acb6e3fe..cfcb4b84d632 100644
> --- a/virt/kvm/coalesced_mmio.c
> +++ b/virt/kvm/coalesced_mmio.c
> @@ -9,8 +9,7 @@
>   *
>   */
>
> -#include <kvm/iodev.h>
> -
> +#include <linux/kvm_iodev.h>
>  #include <linux/kvm_host.h>
>  #include <linux/slab.h>
>  #include <linux/kvm.h>
> diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
> index 89912a17f5d5..4d7cfb1095fd 100644
> --- a/virt/kvm/eventfd.c
> +++ b/virt/kvm/eventfd.c
> @@ -26,7 +26,7 @@
>  #include <linux/irqbypass.h>
>  #include <trace/events/kvm.h>
>
> -#include <kvm/iodev.h>
> +#include <linux/kvm_iodev.h>
>
>  #ifdef CONFIG_HAVE_KVM_IRQFD
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 486800a7024b..f585a159b4f5 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -13,9 +13,8 @@
>   *   Yaniv Kamay  <yaniv@qumranet.com>
>   */
>
> -#include <kvm/iodev.h>
> -
>  #include <linux/kvm_host.h>
> +#include <linux/kvm_iodev.h>
>  #include <linux/kvm.h>
>  #include <linux/module.h>
>  #include <linux/errno.h>
> --
> 2.42.0.459.ge4e396fd5e-goog
>
diff mbox series

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 90f13281d297..ddc8375d536c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11498,7 +11498,6 @@  W:	http://www.linux-kvm.org
 T:	git git://git.kernel.org/pub/scm/virt/kvm/kvm.git
 F:	Documentation/virt/kvm/
 F:	include/asm-generic/kvm*
-F:	include/kvm/iodev.h
 F:	include/linux/kvm*
 F:	include/trace/events/kvm.h
 F:	include/uapi/asm-generic/kvm*
diff --git a/arch/arm64/include/asm/kvm_vgic.h b/arch/arm64/include/asm/kvm_vgic.h
index 5b27f94d4fad..2ca52888bc75 100644
--- a/arch/arm64/include/asm/kvm_vgic.h
+++ b/arch/arm64/include/asm/kvm_vgic.h
@@ -13,7 +13,7 @@ 
 #include <linux/spinlock.h>
 #include <linux/static_key.h>
 #include <linux/types.h>
-#include <kvm/iodev.h>
+#include <linux/kvm_iodev.h>
 #include <linux/list.h>
 #include <linux/jump_label.h>
 
diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v2.c b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
index bba0cfeefffe..646053ee892f 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
@@ -6,9 +6,9 @@ 
 #include <linux/irqchip/arm-gic.h>
 #include <linux/kvm.h>
 #include <linux/kvm_host.h>
+#include <linux/kvm_iodev.h>
 #include <linux/nospec.h>
 
-#include <kvm/iodev.h>
 #include <asm/kvm_vgic.h>
 
 #include "vgic.h"
diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
index d54a90beef61..b79a2e860415 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
@@ -7,8 +7,8 @@ 
 #include <linux/irqchip/arm-gic-v3.h>
 #include <linux/kvm.h>
 #include <linux/kvm_host.h>
+#include <linux/kvm_iodev.h>
 #include <linux/interrupt.h>
-#include <kvm/iodev.h>
 
 #include <asm/kvm_emulate.h>
 #include <asm/kvm_arm.h>
diff --git a/arch/arm64/kvm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c
index 68a3d8062473..4feca3b1d915 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio.c
@@ -9,7 +9,7 @@ 
 #include <linux/irq.h>
 #include <linux/kvm.h>
 #include <linux/kvm_host.h>
-#include <kvm/iodev.h>
+#include <linux/kvm_iodev.h>
 #include <asm/kvm_arch_timer.h>
 #include <asm/kvm_vgic.h>
 
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 54a85f1d4f2c..f8f63d0aa399 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -16,6 +16,7 @@ 
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/kvm.h>
+#include <linux/kvm_iodev.h>
 #include <linux/kvm_types.h>
 #include <linux/threads.h>
 #include <linux/spinlock.h>
@@ -24,8 +25,6 @@ 
 #include <asm/inst.h>
 #include <asm/mipsregs.h>
 
-#include <kvm/iodev.h>
-
 /* MIPS KVM register ids */
 #define MIPS_CP0_32(_R, _S)					\
 	(KVM_REG_MIPS_CP0 | KVM_REG_SIZE_U32 | (8 * (_R) + (_S)))
diff --git a/arch/powerpc/kvm/mpic.c b/arch/powerpc/kvm/mpic.c
index 23e9c2bd9f27..b25a03251544 100644
--- a/arch/powerpc/kvm/mpic.c
+++ b/arch/powerpc/kvm/mpic.c
@@ -26,6 +26,7 @@ 
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/kvm_host.h>
+#include <linux/kvm_iodev.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
 #include <linux/anon_inodes.h>
@@ -33,7 +34,6 @@ 
 #include <asm/mpic.h>
 #include <asm/kvm_para.h>
 #include <asm/kvm_ppc.h>
-#include <kvm/iodev.h>
 
 #define MAX_CPU     32
 #define MAX_SRC     256
diff --git a/arch/riscv/kvm/aia_aplic.c b/arch/riscv/kvm/aia_aplic.c
index 39e72aa016a4..b49e747f2bad 100644
--- a/arch/riscv/kvm/aia_aplic.c
+++ b/arch/riscv/kvm/aia_aplic.c
@@ -11,7 +11,7 @@ 
 #include <linux/math.h>
 #include <linux/spinlock.h>
 #include <linux/swab.h>
-#include <kvm/iodev.h>
+#include <linux/kvm_iodev.h>
 #include <asm/kvm_aia_aplic.h>
 
 struct aplic_irq {
diff --git a/arch/riscv/kvm/aia_imsic.c b/arch/riscv/kvm/aia_imsic.c
index 6cf23b8adb71..586e466a1c6d 100644
--- a/arch/riscv/kvm/aia_imsic.c
+++ b/arch/riscv/kvm/aia_imsic.c
@@ -10,10 +10,10 @@ 
 #include <linux/atomic.h>
 #include <linux/bitmap.h>
 #include <linux/kvm_host.h>
+#include <linux/kvm_iodev.h>
 #include <linux/math.h>
 #include <linux/spinlock.h>
 #include <linux/swab.h>
-#include <kvm/iodev.h>
 #include <asm/csr.h>
 #include <asm/kvm_aia_imsic.h>
 
diff --git a/arch/x86/kvm/i8254.h b/arch/x86/kvm/i8254.h
index a768212ba821..4de7a0b88e4f 100644
--- a/arch/x86/kvm/i8254.h
+++ b/arch/x86/kvm/i8254.h
@@ -4,7 +4,7 @@ 
 
 #include <linux/kthread.h>
 
-#include <kvm/iodev.h>
+#include <linux/kvm_iodev.h>
 
 struct kvm_kpit_channel_state {
 	u32 count; /* can be 65536 */
diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h
index 539333ac4b38..2beec2daf1a3 100644
--- a/arch/x86/kvm/ioapic.h
+++ b/arch/x86/kvm/ioapic.h
@@ -3,7 +3,7 @@ 
 #define __KVM_IO_APIC_H
 
 #include <linux/kvm_host.h>
-#include <kvm/iodev.h>
+#include <linux/kvm_iodev.h>
 #include "irq.h"
 
 struct kvm;
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index c2d7cfe82d00..f9530e9a66f8 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -13,9 +13,9 @@ 
 #include <linux/mm_types.h>
 #include <linux/hrtimer.h>
 #include <linux/kvm_host.h>
+#include <linux/kvm_iodev.h>
 #include <linux/spinlock.h>
 
-#include <kvm/iodev.h>
 #include "lapic.h"
 
 #define PIC_NUM_PINS 16
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 0a0ea4b5dd8c..bfd99ad1882e 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -2,7 +2,7 @@ 
 #ifndef __KVM_X86_LAPIC_H
 #define __KVM_X86_LAPIC_H
 
-#include <kvm/iodev.h>
+#include <linux/kvm_iodev.h>
 
 #include <linux/kvm_host.h>
 
diff --git a/include/kvm/iodev.h b/include/linux/kvm_iodev.h
similarity index 100%
rename from include/kvm/iodev.h
rename to include/linux/kvm_iodev.h
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 1b90acb6e3fe..cfcb4b84d632 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -9,8 +9,7 @@ 
  *
  */
 
-#include <kvm/iodev.h>
-
+#include <linux/kvm_iodev.h>
 #include <linux/kvm_host.h>
 #include <linux/slab.h>
 #include <linux/kvm.h>
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 89912a17f5d5..4d7cfb1095fd 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -26,7 +26,7 @@ 
 #include <linux/irqbypass.h>
 #include <trace/events/kvm.h>
 
-#include <kvm/iodev.h>
+#include <linux/kvm_iodev.h>
 
 #ifdef CONFIG_HAVE_KVM_IRQFD
 
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 486800a7024b..f585a159b4f5 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -13,9 +13,8 @@ 
  *   Yaniv Kamay  <yaniv@qumranet.com>
  */
 
-#include <kvm/iodev.h>
-
 #include <linux/kvm_host.h>
+#include <linux/kvm_iodev.h>
 #include <linux/kvm.h>
 #include <linux/module.h>
 #include <linux/errno.h>