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authorAndre Przywara <andre.przywara@arm.com>2015-03-26 14:39:29 +0000
committerMarc Zyngier <marc.zyngier@arm.com>2015-03-26 21:43:12 +0000
commitaf669ac6dc3f66bb56fb9612b9826adac6292794 (patch)
treea9d24d28bc910b423694ec952184f4019780da3c /virt
parente32edf4fd0fa4897e12ca66118ab67bf257e16e4 (diff)
downloadlinux-linaro-stable-af669ac6dc3f66bb56fb9612b9826adac6292794.tar.gz
KVM: move iodev.h from virt/kvm/ to include/kvm
iodev.h contains definitions for the kvm_io_bus framework. This is needed both by the generic KVM code in virt/kvm as well as by architecture specific code under arch/. Putting the header file in virt/kvm and using local includes in the architecture part seems at least dodgy to me, so let's move the file into include/kvm, so that a more natural "#include <kvm/iodev.h>" can be used by all of the code. This also solves a problem later when using struct kvm_io_device in arm_vgic.h. Fixing up the FSF address in the GPL header and a wrong include path on the way. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/coalesced_mmio.c2
-rw-r--r--virt/kvm/eventfd.c2
-rw-r--r--virt/kvm/iodev.h77
-rw-r--r--virt/kvm/kvm_main.c2
4 files changed, 3 insertions, 80 deletions
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index c831a40ffc1a..571c1ce37d15 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -8,7 +8,7 @@
*
*/
-#include "iodev.h"
+#include <kvm/iodev.h>
#include <linux/kvm_host.h>
#include <linux/slab.h>
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 26c72f3663f2..9ff4193dfa49 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -36,7 +36,7 @@
#include <linux/seqlock.h>
#include <trace/events/kvm.h>
-#include "iodev.h"
+#include <kvm/iodev.h>
#ifdef CONFIG_HAVE_KVM_IRQFD
/*
diff --git a/virt/kvm/iodev.h b/virt/kvm/iodev.h
deleted file mode 100644
index 9ef709cc2cae..000000000000
--- a/virt/kvm/iodev.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License.
- *
- * This program 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 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#ifndef __KVM_IODEV_H__
-#define __KVM_IODEV_H__
-
-#include <linux/kvm_types.h>
-#include <asm/errno.h>
-
-struct kvm_io_device;
-struct kvm_vcpu;
-
-/**
- * kvm_io_device_ops are called under kvm slots_lock.
- * read and write handlers return 0 if the transaction has been handled,
- * or non-zero to have it passed to the next device.
- **/
-struct kvm_io_device_ops {
- int (*read)(struct kvm_vcpu *vcpu,
- struct kvm_io_device *this,
- gpa_t addr,
- int len,
- void *val);
- int (*write)(struct kvm_vcpu *vcpu,
- struct kvm_io_device *this,
- gpa_t addr,
- int len,
- const void *val);
- void (*destructor)(struct kvm_io_device *this);
-};
-
-
-struct kvm_io_device {
- const struct kvm_io_device_ops *ops;
-};
-
-static inline void kvm_iodevice_init(struct kvm_io_device *dev,
- const struct kvm_io_device_ops *ops)
-{
- dev->ops = ops;
-}
-
-static inline int kvm_iodevice_read(struct kvm_vcpu *vcpu,
- struct kvm_io_device *dev, gpa_t addr,
- int l, void *v)
-{
- return dev->ops->read ? dev->ops->read(vcpu, dev, addr, l, v)
- : -EOPNOTSUPP;
-}
-
-static inline int kvm_iodevice_write(struct kvm_vcpu *vcpu,
- struct kvm_io_device *dev, gpa_t addr,
- int l, const void *v)
-{
- return dev->ops->write ? dev->ops->write(vcpu, dev, addr, l, v)
- : -EOPNOTSUPP;
-}
-
-static inline void kvm_iodevice_destructor(struct kvm_io_device *dev)
-{
- if (dev->ops->destructor)
- dev->ops->destructor(dev);
-}
-
-#endif /* __KVM_IODEV_H__ */
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 664d67a099f6..c5460b645e75 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -16,7 +16,7 @@
*
*/
-#include "iodev.h"
+#include <kvm/iodev.h>
#include <linux/kvm_host.h>
#include <linux/kvm.h>