linux-kernel - [RFC PATCH 4/4] drm/i915/gvt: move public gvt headers out into global include

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Date:   Thu,  9 Jan 2020 19:13:57 +0200
From:   Julian Stecklina <julian.stecklina@...erus-technology.de>
To:     intel-gvt-dev@...ts.freedesktop.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        zhiyuan.lv@...el.com, hang.yuan@...el.com,
        Julian Stecklina <julian.stecklina@...erus-technology.de>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>
Subject: [RFC PATCH 4/4] drm/i915/gvt: move public gvt headers out into global include

Now that the GVT interface to hypervisors does not depend on i915/GVT
internals anymore, we can move the headers to the global include/.

This makes out-of-tree modules for hypervisor integration possible.

Cc: Zhenyu Wang <zhenyuw@...ux.intel.com>

Signed-off-by: Julian Stecklina <julian.stecklina@...erus-technology.de>
---
 drivers/gpu/drm/i915/gvt/gvt.h                         |  3 +--
 drivers/gpu/drm/i915/gvt/kvmgt.c                       |  2 +-
 .../i915/gvt/gvt_public.h => include/drm/i915_gvt.h    |  8 ++++----
 .../hypercall.h => include/drm/i915_gvt_hypercall.h    | 10 +++++++---
 4 files changed, 13 insertions(+), 10 deletions(-)
 rename drivers/gpu/drm/i915/gvt/gvt_public.h => include/drm/i915_gvt.h (97%)
 rename drivers/gpu/drm/i915/gvt/hypercall.h => include/drm/i915_gvt_hypercall.h (95%)

diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index f9693c44e342..d09374aa7710 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -33,9 +33,8 @@
 #ifndef _GVT_H_
 #define _GVT_H_
 
-#include "gvt_public.h"
+#include <drm/i915_gvt.h>
 #include "debug.h"
-#include "hypercall.h"
 #include "mmio.h"
 #include "reg.h"
 #include "interrupt.h"
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index f5157211d45f..280d69ca964b 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -28,6 +28,7 @@
  *    Xiaoguang Chen <xiaoguang.chen@...el.com>
  */
 
+#include <drm/i915_gvt.h>
 #include <drm/drm_edid.h>
 #include <linux/init.h>
 #include <linux/device.h>
@@ -52,7 +53,6 @@
 #include <linux/nospec.h>
 
 #include "debug.h"
-#include "gvt_public.h"
 
 static const struct intel_gvt_ops *intel_gvt_ops;
 
diff --git a/drivers/gpu/drm/i915/gvt/gvt_public.h b/include/drm/i915_gvt.h
similarity index 97%
rename from drivers/gpu/drm/i915/gvt/gvt_public.h
rename to include/drm/i915_gvt.h
index 23bf1235e1a1..3926ca32f773 100644
--- a/drivers/gpu/drm/i915/gvt/gvt_public.h
+++ b/include/drm/i915_gvt.h
@@ -21,10 +21,10 @@
  * SOFTWARE.
  */
 
-#ifndef _GVT_PUBLIC_H_
-#define _GVT_PUBLIC_H_
+#ifndef _I915_GVT_H_
+#define _I915_GVT_H_
 
-#include "hypercall.h"
+#include <drm/i915_gvt_hypercall.h>
 
 struct attribute;
 struct attribute_group;
@@ -101,4 +101,4 @@ bool intel_gvt_in_gtt(struct intel_vgpu *vgpu, u64 off);
 
 struct dentry *intel_vgpu_debugfs(struct intel_vgpu *vgpu);
 
-#endif /* _GVT_PUBLIC_H_ */
+#endif /* _I915_GVT_H_ */
diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/include/drm/i915_gvt_hypercall.h
similarity index 95%
rename from drivers/gpu/drm/i915/gvt/hypercall.h
rename to include/drm/i915_gvt_hypercall.h
index 7ed33e4919a3..c26eef7dbdde 100644
--- a/drivers/gpu/drm/i915/gvt/hypercall.h
+++ b/include/drm/i915_gvt_hypercall.h
@@ -30,8 +30,12 @@
  *
  */
 
-#ifndef _GVT_HYPERCALL_H_
-#define _GVT_HYPERCALL_H_
+#ifndef _I915_GVT_HYPERCALL_H_
+#define _I915_GVT_HYPERCALL_H_
+
+#include <linux/types.h>
+
+struct device;
 
 #include <linux/types.h>
 
@@ -84,4 +88,4 @@ extern struct intel_gvt_mpt xengt_mpt;
 int intel_gvt_register_hypervisor(struct intel_gvt_mpt *);
 void intel_gvt_unregister_hypervisor(void);
 
-#endif /* _GVT_HYPERCALL_H_ */
+#endif /* _I915_GVT_HYPERCALL_H_ */
-- 
2.24.1