Move mmfs.h userland interface to shared-core.

2 files changed, 66 insertions, 176 deletions

diff --git a/linux-core/mmfs.h b/linux-core/mmfs.h
index bdc148b9..3e589504 100644..120000
--- a/linux-core/mmfs.h
+++ b/linux-core/mmfs.h
@@ -1,176 +1 @@
-/*
- * Copyright © 2008 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 (including the next
- * paragraph) 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:
- *    Eric Anholt <eric@anholt.net>
- *
- */
-
-/** @file mmfs.h
- * This file provides ioctl and ioctl argument definitions for using the
- * mmfs device.
- */
-#ifdef __KERNEL__
-#include <linux/spinlock.h>
-#include <linux/idr.h>
-
-/** @file mmfs_priv.h
- * This file provides internal structure definitions for mmfs..
- */
-
-/**
- * This structure defines the mmfs memory object, which will be used by the
- * DRM for its buffer objects.
- */
-struct mmfs_object {
-	/** File representing the shmem storage */
-	struct file *filp;
-
-	spinlock_t lock;
-
-	size_t size;
-	/** Reference count of this object, protected by object_lock */
-	int refcount;
-};
-
-/**
- * This structure defines the process (actually per-fd) mapping of object
- * handles to mmfs objects.
- */
-struct mmfs_file {
-	/** Mapping of object handles to object pointers. */
-	struct idr object_idr;
-	/**
-	 * Lock for synchronization of access to object->refcount and
-	 * object_idr.  See note in mmfs_unreference_ioctl.
-	 */
-	spinlock_t delete_lock;
-};
-
-void mmfs_object_reference(struct mmfs_object *obj);
-void mmfs_object_unreference(struct mmfs_object *obj);
-
-#endif /* __KERNEL__ */
-
-#define MMFS_DEVICE_PATH		"/dev/mmfs"
-/* XXX: Choose non-experimental major */
-#define MMFS_DEVICE_MAJOR		246
-
-struct mmfs_alloc_args {
-	/**
-	 * Requested size for the object.
-	 *
-	 * The (page-aligned) allocated size for the object will be returned.
-	 */
-	uint32_t size;
-	/** Returned handle for the object. */
-	uint32_t handle;
-};
-
-struct mmfs_unreference_args {
-	/** Handle of the object to be unreferenced. */
-	uint32_t handle;
-};
-
-struct mmfs_link_args {
-	/** Handle for the object being given a name. */
-	uint32_t handle;
-	/** Requested file name to export the object under. */
-	char *name;
-	/** Requested file mode to export the object under. */
-	mode_t mode;
-};
-
-struct mmfs_pread_args {
-	/** Handle for the object being read. */
-	uint32_t handle;
-	/** Offset into the object to read from */
-	off_t offset;
-	/** Length of data to read */
-	size_t size;
-	/** Pointer to write the data into. */
-	void *data;
-};
-
-struct mmfs_pwrite_args {
-	/** Handle for the object being written to. */
-	uint32_t handle;
-	/** Offset into the object to write to */
-	off_t offset;
-	/** Length of data to write */
-	size_t size;
-	/** Pointer to read the data from. */
-	void *data;
-};
-
-struct mmfs_mmap_args {
-	/** Handle for the object being mapped. */
-	uint32_t handle;
-	/** Offset in the object to map. */
-	off_t offset;
-	/**
-	 * Length of data to map.
-	 *
-	 * The value will be page-aligned.
-	 */
-	size_t size;
-	/** Returned pointer the data was mapped at */
-	void *addr;
-};
-
-/**
- * \name Ioctls Definitions
- */
-/* @{ */
-
-#define MMFS_IOCTL_BASE			'm'
-#define MMFS_IO(nr)			_IO(MMFS_IOCTL_BASE, nr)
-#define MMFS_IOR(nr,type)		_IOR(MMFS_IOCTL_BASE, nr, type)
-#define MMFS_IOW(nr,type)		_IOW(MMFS_IOCTL_BASE, nr, type)
-#define MMFS_IOWR(nr,type)		_IOWR(MMFS_IOCTL_BASE, nr, type)
-
-/** This ioctl allocates an object and returns a handle referencing it. */
-#define MMFS_IOCTL_ALLOC		MMFS_IOWR(0x00, struct mmfs_alloc_args)
-
-/**
- * This ioctl releases the reference on the handle returned from
- * MMFS_IOCTL_ALLOC.
- */
-#define MMFS_IOCTL_UNREFERENCE		MMFS_IOR(0x01, struct mmfs_unreference_args)
-
-/**
- * This ioctl creates a file in the mmfs filesystem representing an object.
- *
- * XXX: Need a way to get handle from fd or name.
- */
-#define MMFS_IOCTL_LINK			MMFS_IOWR(0x02, struct mmfs_link_args)
-
-/** This ioctl copies data from an object into a user address. */
-#define MMFS_IOCTL_PREAD		MMFS_IOWR(0x03, struct mmfs_pread_args)
-
-/** This ioctl copies data from a user address into an object. */
-#define MMFS_IOCTL_PWRITE		MMFS_IOWR(0x04, struct mmfs_pwrite_args)
-
-/** This ioctl maps data from the object into the user address space. */
-#define MMFS_IOCTL_MMAP			MMFS_IOWR(0x05, struct mmfs_mmap_args)
-
-/* }@ */
+../shared-core/mmfs.h
\ No newline at end of file
diff --git a/linux-core/mmfs_drv.h b/linux-core/mmfs_drv.h
new file mode 100644
index 00000000..1944d2af
--- /dev/null
+++ b/linux-core/mmfs_drv.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright © 2008 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 (including the next
+ * paragraph) 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:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <linux/spinlock.h>
+#include <linux/idr.h>
+
+/** @file mmfs_drv.h
+ * This file provides structure definitions and function prototypes for mmfs.
+ */
+
+/**
+ * This structure defines the mmfs memory object, which will be used by the
+ * DRM for its buffer objects.
+ */
+struct mmfs_object {
+	/** File representing the shmem storage */
+	struct file *filp;
+
+	spinlock_t lock;
+
+	size_t size;
+	/** Reference count of this object, protected by object_lock */
+	int refcount;
+};
+
+/**
+ * This structure defines the process (actually per-fd) mapping of object
+ * handles to mmfs objects.
+ */
+struct mmfs_file {
+	/** Mapping of object handles to object pointers. */
+	struct idr object_idr;
+	/**
+	 * Lock for synchronization of access to object->refcount and
+	 * object_idr.  See note in mmfs_unreference_ioctl.
+	 */
+	spinlock_t delete_lock;
+};
+
+void mmfs_object_reference(struct mmfs_object *obj);
+void mmfs_object_unreference(struct mmfs_object *obj);