[Intel-gfx] [PATCH 07/16] drm: Extract drm_ioctl.h
Ville Syrjälä
ville.syrjala at linux.intel.com
Wed Mar 22 13:47:31 UTC 2017
On Wed, Mar 22, 2017 at 09:36:08AM +0100, Daniel Vetter wrote:
> To match the drm_ioctl.c we already have.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
> drivers/gpu/drm/drm_ioctl.c | 1 +
> include/drm/drmP.h | 61 +-------------------------
> include/drm/drm_ioctl.h | 102 ++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 104 insertions(+), 60 deletions(-)
> create mode 100644 include/drm/drm_ioctl.h
>
> diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
> index 601bb0ded9d2..7f4f4f48e390 100644
> --- a/drivers/gpu/drm/drm_ioctl.c
> +++ b/drivers/gpu/drm/drm_ioctl.c
> @@ -28,6 +28,7 @@
> * OTHER DEALINGS IN THE SOFTWARE.
> */
>
> +#include <drm/drm_ioctl.h>
> #include <drm/drmP.h>
> #include <drm/drm_auth.h>
> #include "drm_legacy.h"
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index fc2a0744413d..248d2408e56b 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -80,6 +80,7 @@
> #include <drm/drm_file.h>
> #include <drm/drm_debugfs.h>
> #include <drm/drm_sysfs.h>
> +#include <drm/drm_ioctl.h>
Same question as for the debugfs thing. Why do we need this?
>
> struct module;
>
> @@ -318,49 +319,6 @@ struct pci_controller;
>
> #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
>
> -/**
> - * Ioctl function type.
> - *
> - * \param inode device inode.
> - * \param file_priv DRM file private pointer.
> - * \param cmd command.
> - * \param arg argument.
> - */
> -typedef int drm_ioctl_t(struct drm_device *dev, void *data,
> - struct drm_file *file_priv);
> -
> -typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
> - unsigned long arg);
> -
> -#define DRM_IOCTL_NR(n) _IOC_NR(n)
> -#define DRM_MAJOR 226
> -
> -#define DRM_AUTH 0x1
> -#define DRM_MASTER 0x2
> -#define DRM_ROOT_ONLY 0x4
> -#define DRM_CONTROL_ALLOW 0x8
> -#define DRM_UNLOCKED 0x10
> -#define DRM_RENDER_ALLOW 0x20
> -
> -struct drm_ioctl_desc {
> - unsigned int cmd;
> - int flags;
> - drm_ioctl_t *func;
> - const char *name;
> -};
> -
> -/**
> - * Creates a driver or general drm_ioctl_desc array entry for the given
> - * ioctl, for use by drm_ioctl().
> - */
> -
> -#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
> - [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = { \
> - .cmd = DRM_IOCTL_##ioctl, \
> - .func = _func, \
> - .flags = _flags, \
> - .name = #ioctl \
> - }
>
> /* Flags and return codes for get_vblank_timestamp() driver function. */
> #define DRM_CALLED_FROM_VBLIRQ 1
> @@ -550,23 +508,6 @@ static inline int drm_device_is_unplugged(struct drm_device *dev)
> /*@{*/
>
> /* Driver support (drm_drv.h) */
> -extern int drm_ioctl_permit(u32 flags, struct drm_file *file_priv);
> -extern long drm_ioctl(struct file *filp,
> - unsigned int cmd, unsigned long arg);
> -#ifdef CONFIG_COMPAT
> -extern long drm_compat_ioctl(struct file *filp,
> - unsigned int cmd, unsigned long arg);
> -#else
> -/* Let drm_compat_ioctl be assigned to .compat_ioctl unconditionally */
> -#define drm_compat_ioctl NULL
> -#endif
> -extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags);
> -
> -/* Misc. IOCTL support (drm_ioctl.c) */
> -int drm_noop(struct drm_device *dev, void *data,
> - struct drm_file *file_priv);
> -int drm_invalid_op(struct drm_device *dev, void *data,
> - struct drm_file *file_priv);
>
> /*
> * These are exported to drivers so that they can implement fencing using
> diff --git a/include/drm/drm_ioctl.h b/include/drm/drm_ioctl.h
> new file mode 100644
> index 000000000000..3c3677b5bdb2
> --- /dev/null
> +++ b/include/drm/drm_ioctl.h
> @@ -0,0 +1,102 @@
> +/*
> + * Internal Header for the Direct Rendering Manager
> + *
> + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
> + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
> + * Copyright (c) 2009-2010, Code Aurora Forum.
> + * All rights reserved.
> + *
> + * Author: Rickard E. (Rik) Faith <faith at valinux.com>
> + * Author: Gareth Hughes <gareth at valinux.com>
> + *
> + * 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
> + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
> + */
> +
> +#ifndef _DRM_IOCTL_H_
> +#define _DRM_IOCTL_H_
> +
> +#include <linux/types.h>
> +
> +#include <asm/ioctl.h>
> +
> +struct drm_device;
> +struct drm_file;
> +struct file;
> +
> +/**
> + * Ioctl function type.
> + *
> + * \param inode device inode.
> + * \param file_priv DRM file private pointer.
> + * \param cmd command.
> + * \param arg argument.
> + */
> +typedef int drm_ioctl_t(struct drm_device *dev, void *data,
> + struct drm_file *file_priv);
> +
> +typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
> + unsigned long arg);
> +
> +#define DRM_IOCTL_NR(n) _IOC_NR(n)
I wonder what's the point of this wrapper. Maybe leftovers from the
out-of-tree days? Maybe nuke it while you're touching this stuff?
> +#define DRM_MAJOR 226
> +
> +#define DRM_AUTH 0x1
> +#define DRM_MASTER 0x2
> +#define DRM_ROOT_ONLY 0x4
> +#define DRM_CONTROL_ALLOW 0x8
> +#define DRM_UNLOCKED 0x10
> +#define DRM_RENDER_ALLOW 0x20
> +
> +struct drm_ioctl_desc {
> + unsigned int cmd;
> + int flags;
> + drm_ioctl_t *func;
> + const char *name;
> +};
> +
> +/**
s/**/*/ ?
> + * Creates a driver or general drm_ioctl_desc array entry for the given
> + * ioctl, for use by drm_ioctl().
> + */
> +
> +#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
> + [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = { \
> + .cmd = DRM_IOCTL_##ioctl, \
> + .func = _func, \
> + .flags = _flags, \
> + .name = #ioctl \
> + }
^
Spurious space
Otherwise looks sane so
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> +
> +int drm_ioctl_permit(u32 flags, struct drm_file *file_priv);
> +long drm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
> +#ifdef CONFIG_COMPAT
> +long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
> +#else
> +/* Let drm_compat_ioctl be assigned to .compat_ioctl unconditionally */
> +#define drm_compat_ioctl NULL
> +#endif
> +bool drm_ioctl_flags(unsigned int nr, unsigned int *flags);
> +
> +int drm_noop(struct drm_device *dev, void *data,
> + struct drm_file *file_priv);
> +int drm_invalid_op(struct drm_device *dev, void *data,
> + struct drm_file *file_priv);
> +
> +#endif /* _DRM_IOCTL_H_ */
> --
> 2.11.0
>
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--
Ville Syrjälä
Intel OTC
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