index : renesas/drm.git	android live master
	libdrm, cloned from git://anongit.freedesktop.org/mesa/drm	Laurent Pinchart

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log msg author committer range

Age	Commit message (Expand)	Author
2008-01-07	nv50: oops, lost some state saving along the way somewhere.	Ben Skeggs
2008-01-07	nv50: hook up timer funcs...	Ben Skeggs
2008-01-07	nv50: abort on chips without ctx ucode	Ben Skeggs
2008-01-07	nv50: some needed ctx vals	Ben Skeggs
2008-01-07	nv50: use dummy page in gart tables	Ben Skeggs
2008-01-07	nv50: some cleanups + small changes	Ben Skeggs
2008-01-07	Nouveau: ppc oops.	Stephane Marchesin
2008-01-07	Nouveau: move PPC bios copy to firstopen.	Stephane Marchesin
2008-01-06	nouveau: Add ctx_voodoo for NV86	Jeremy Kolb
2008-01-05	drm: One forgotten rename of 'mask' to 'proposed_flags'.	Pekka Paalanen
2008-01-04	drm: add initial support for a drm control device node	Dave Airlie
2008-01-04	crtc: fixup allocation size	Dave Airlie
2008-01-04	via: add P4M900 pci id.	Xavier Bachelot
2008-01-04	drm: move drm_head to drm_minor and fix up users	Dave Airlie
2008-01-04	[PATCH] nouveau: reset AGP on init for < nv40	Stuart Bennett
2008-01-04	[PATCH] nouveau: Fix nv20/30 context loading	Stuart Bennett
2008-01-03	mach64: some more minor cleanups	Dave Airlie
2008-01-03	mach64: cleanup some of the macro formatting	Dave Airlie
2008-01-03	drm: cleanup DRM_DEBUG() parameters	Márton Németh
2008-01-03	Merge branch 'r500-support'	Dave Airlie
2008-01-03	remove duplicate pciids	Dave Airlie
2007-12-26	i915: return fence argument from i915_execbuffer ioctl32 routine	Xiang, Haihao
2007-12-25	i915: i915_execbuffer ioctl32 routine, fix #13732	Xiang, Haihao
2007-12-21	Change drm_bo_type_dc to drm_bo_type_device and comment usage of this value.	Keith Packard
2007-12-21	Rename inappropriately named 'mask' fields to 'proposed_flags' instead.	Keith Packard
2007-12-21	Use dummy_read_page for unpopulated kernel-allocated ttm pages.	Keith Packard
2007-12-21	Move dummy_read_page from drm_ttm_set_user to drm_ttm_create.	Keith Packard
2007-12-21	Clean up and document drm_ttm.c APIs. drm_bind_ttm -> drm_ttm_bind.	Keith Packard
2007-12-21	s/TRUE/true	Dave Airlie
2007-12-20	radeon_ms: update to follow lastest modesetting change	Jerome Glisse
2007-12-19	radeon_ms: add sarea & install header	Jerome Glisse
2007-12-18	Merge branch 'modesetting-airlied' into modesetting-101	Dave Airlie
2007-12-18	HERE BEZ HACKZ.. magic variable to make shit work	Dave Airlie
2007-12-18	lockdep warned about a possible locking dependency	Dave Airlie
2007-12-18	we should not be unlocking this here	Dave Airlie
2007-12-18	remove output names	Dave Airlie
2007-12-18	Fixed build	Jakob Bornecrantz
2007-12-18	Fix and cleanup of Hotplug	Jakob Bornecrantz
2007-12-18	Modesetting Hotplug	Jakob Bornecrantz
2007-12-17	drm: don't cast a pointer to pointer of list_head	Li Zefan
2007-12-17	While reading some code I stumbled across the use of 'err' in	Jesper Juhl
2007-12-15	Document drm_ttm_set_user.	Keith Packard
2007-12-15	Document drm_buffer_object_validate function.	Keith Packard
2007-12-15	Document fence_class mess in drm_bo_setstatus_ioctl	Keith Packard
2007-12-15	Document drm_bo_handle_validate. Match drm_bo_do_validate parameter order.	Keith Packard
2007-12-15	Document drm_bo_do_validate. Remove spurious 'do_wait' parameter.	Keith Packard
2007-12-15	Make ttm create/destroy APIs consistent. Pass page_flags in create.	Keith Packard
2007-12-15	Revert "nouveau: nv30: missing ramin init, does it brake other hw?"	Patrice Mandin
2007-12-13	Merge branch 'master' of git+ssh://git.freedesktop.org/git/mesa/drm into mode...	Alan Hourihane
2007-12-13	catch an out of memory condition	Alan Hourihane

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generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 01:13:32 +0000

/**
 * \file drm_ioc32.c
 *
 * 32-bit ioctl compatibility routines for the DRM.
 *
 * \author Paul Mackerras <paulus@samba.org>
 *
 * Copyright (C) Paul Mackerras 2005.
 * All Rights Reserved.
 *
 * 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 AUTHOR 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.
 */
#include <linux/compat.h>
#include <linux/ioctl32.h>

#include "drmP.h"
#include "drm_core.h"

#define DRM_IOCTL_VERSION32		DRM_IOWR(0x00, drm_version32_t)
#define DRM_IOCTL_GET_UNIQUE32		DRM_IOWR(0x01, drm_unique32_t)
#define DRM_IOCTL_GET_MAP32		DRM_IOWR(0x04, drm_map32_t)
#define DRM_IOCTL_GET_CLIENT32		DRM_IOWR(0x05, drm_client32_t)
#define DRM_IOCTL_GET_STATS32		DRM_IOR( 0x06, drm_stats32_t)

#define DRM_IOCTL_SET_UNIQUE32		DRM_IOW( 0x10, drm_unique32_t)
#define DRM_IOCTL_ADD_MAP32		DRM_IOWR(0x15, drm_map32_t)
#define DRM_IOCTL_ADD_BUFS32		DRM_IOWR(0x16, drm_buf_desc32_t)
#define DRM_IOCTL_MARK_BUFS32		DRM_IOW( 0x17, drm_buf_desc32_t)
#define DRM_IOCTL_INFO_BUFS32		DRM_IOWR(0x18, drm_buf_info32_t)
#define DRM_IOCTL_MAP_BUFS32		DRM_IOWR(0x19, drm_buf_map32_t)
#define DRM_IOCTL_FREE_BUFS32		DRM_IOW( 0x1a, drm_buf_free32_t)

#define DRM_IOCTL_RM_MAP32		DRM_IOW( 0x1b, drm_map32_t)

#define DRM_IOCTL_SET_SAREA_CTX32	DRM_IOW( 0x1c, drm_ctx_priv_map32_t)
#define DRM_IOCTL_GET_SAREA_CTX32	DRM_IOWR(0x1d, drm_ctx_priv_map32_t)

#define DRM_IOCTL_RES_CTX32		DRM_IOWR(0x26, drm_ctx_res32_t)
#define DRM_IOCTL_DMA32			DRM_IOWR(0x29, drm_dma32_t)

#define DRM_IOCTL_AGP_ENABLE32		DRM_IOW( 0x32, drm_agp_mode32_t)
#define DRM_IOCTL_AGP_INFO32		DRM_IOR( 0x33, drm_agp_info32_t)
#define DRM_IOCTL_AGP_ALLOC32		DRM_IOWR(0x34, drm_agp_buffer32_t)
#define DRM_IOCTL_AGP_FREE32		DRM_IOW( 0x35, drm_agp_buffer32_t)
#define DRM_IOCTL_AGP_BIND32		DRM_IOW( 0x36, drm_agp_binding32_t)
#define DRM_IOCTL_AGP_UNBIND32		DRM_IOW( 0x37, drm_agp_binding32_t)

#define DRM_IOCTL_SG_ALLOC32		DRM_IOW( 0x38, drm_scatter_gather32_t)
#define DRM_IOCTL_SG_FREE32		DRM_IOW( 0x39, drm_scatter_gather32_t)

#define DRM_IOCTL_WAIT_VBLANK32		DRM_IOWR(0x3a, drm_wait_vblank32_t)

typedef struct drm_version_32 {
	int version_major;	  /**< Major version */
	int version_minor;	  /**< Minor version */
	int version_patchlevel;	  /**< Patch level */
	u32 name_len;		  /**< Length of name buffer */
	u32 name;		  /**< Name of driver */
	u32 date_len;		  /**< Length of date buffer */
	u32 date;		  /**< User-space buffer to hold date */
	u32 desc_len;		  /**< Length of desc buffer */
	u32 desc;		  /**< User-space buffer to hold desc */
} drm_version32_t;

static int compat_drm_version(struct file *file, unsigned int cmd,
			      unsigned long arg)
{
	drm_version32_t v32;
	drm_version_t __user *version;
	int err;

	if (copy_from_user(&v32, (void __user *)arg, sizeof(v32)))
		return -EFAULT;

	version = compat_alloc_user_space(sizeof(*version));
	if (!access_ok(VERIFY_WRITE, version, sizeof(*version)))
		return -EFAULT;
	if (__put_user(v32.name_len, &version->name_len)
	    || __put_user((void __user *)(unsigned long)v32.name,
			  &version->name)
	    || __put_user(v32.date_len, &version->date_len)
	    || __put_user((void __user *)(unsigned long)v32.date,
			  &version->date)
	    || __put_user(v32.desc_len, &version->desc_len)
	    || __put_user((void __user *)(unsigned long)v32.desc,
			  &version->desc))
		return -EFAULT;

	err = drm_ioctl(file->f_dentry->d_inode, file,
			DRM_IOCTL_VERSION, (unsigned long)version);
	if (err)
		return err;

	if (__get_user(v32.version_major, &version->version_major)
	    || __get_user(v32.version_minor, &version->version_minor)
	    || __get_user(v32.version_patchlevel, &version->version_patchlevel)
	    || __get_user(v32.name_len, &version->name_len)
	    || __get_user(v32.date_len, &version->date_len)
	    || __get_user(v32.desc_len, &version->desc_len))
		return -EFAULT;

	if (copy_to_user((void __user *)arg, &v32, sizeof(v32)))
		return -EFAULT;
	return 0;
}

typedef struct drm_unique32 {
	u32 unique_len;	/**< Length of unique */
	u32 unique;	/**< Unique name for driver instantiation */
} drm_unique32_t;

static int compat_drm_getunique(struct file *file, unsigned int cmd,
				unsigned long arg)
{
	drm_unique32_t uq32;
	drm_unique_t __user *u;
	int err;

	if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32)))
		return -EFAULT;

	u = compat_alloc_user_space(sizeof(*u));
	if (!access_ok(VERIFY_WRITE, u, sizeof(*u)))
		return -EFAULT;
	if (__put_user(uq32.unique_len, &u->unique_len)
	    || __put_user((void __user *)(unsigned long)uq32.unique,
			  &u->unique))
		return -EFAULT;

	err = drm_ioctl(file->f_dentry->d_inode, file,
			DRM_IOCTL_GET_UNIQUE, (unsigned long)u);
	if (err)
		return err;

	if (__get_user(uq32.unique_len, &u->unique_len))
		return -EFAULT;
	if (copy_to_user((void __user *)arg, &uq32, sizeof(uq32)))
		return -EFAULT;
	return 0;
}

static int compat_drm_setunique(struct file *file, unsigned int cmd,
				unsigned long arg)
{
	drm_unique32_t uq32;
	drm_unique_t __user *u;

	if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32)))
		return -EFAULT;

	u = compat_alloc_user_space(sizeof(*u));
	if (!access_ok(VERIFY_WRITE, u, sizeof(*u)))
		return -EFAULT;
	if (__put_user(uq32.unique_len, &u->unique_len)
	    || __put_user((void __user *)(unsigned long)uq32.unique,
			  &u->unique))
		return -EFAULT;

	return drm_ioctl(file->f_dentry->d_inode, file,
			 DRM_IOCTL_SET_UNIQUE, (unsigned long)u);
}

typedef struct drm_map32 {
	u32 offset;		/**< Requested physical address (0 for SAREA)*/
	u32 size;		/**< Requested physical size (bytes) */
	drm_map_type_t type;	/**< Type of memory to map */
	drm_map_flags_t flags;	/**< Flags */
	u32 handle;		/**< User-space: "Handle" to pass to mmap() */
	int mtrr;		/**< MTRR slot used */
} drm_map32_t;

static int compat_drm_getmap(struct file *file, unsigned int cmd,
			     unsigned long arg)
{
	drm_map32_t __user *argp = (void __user *)arg;
	drm_map32_t m32;
	drm_map_t __user *map;
	int idx, err;
	void *handle;

	if (get_user(idx, &argp->offset))
		return -EFAULT;

	map = compat_alloc_user_space(sizeof(*map));
	if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
		return -EFAULT;
	if (__put_user(idx, &map->offset))
		return -EFAULT;

	err = drm_ioctl(file->f_dentry->d_inode, file,
			DRM_IOCTL_GET_MAP, (unsigned long)map);
	if (err)
		return err;

	if (__get_user(m32.offset, &map->offset)
	    || __get_user(m32.size, &map->size)
	    || __get_user(m32.type, &map->type)
	    || __get_user(m32.flags, &map->flags)
	    || __get_user(handle, &map->handle)
	    || __get_user(m32.mtrr, &map->mtrr))
		return -EFAULT;

	m32.handle = (unsigned long)handle;
	if (copy_to_user(argp, &m32, sizeof(m32)))
		return -EFAULT;
	return 0;

}

static int compat_drm_addmap(struct file *file, unsigned int cmd,
			     unsigned long arg)
{
	drm_map32_t __user *argp = (void __user *)arg;
	drm_map32_t m32;
	drm_map_t __user *map;
	int err;
	void *handle;

	if (copy_from_user(&m32, argp, sizeof(m32)))
		return -EFAULT;

	map = compat_alloc_user_space(sizeof(*map));
	if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
		return -EFAULT;
	if (__put_user(m32.offset, &map->offset)
	    || __put_user(m32.size, &map->size)
	    || __put_user(m32.type, &map->type)
	    || __put_user(m32.flags, &map->flags))
		return -EFAULT;

	err = drm_ioctl(file->f_dentry->d_inode, file,
			DRM_IOCTL_ADD_MAP, (unsigned long)map);
	if (err)
		return err;

	if (__get_user(m32.offset, &map->offset)
	    || __get_user(m32.mtrr, &map->mtrr)
	    || __get_user(handle, &map->handle))
		return -EFAULT;

	m32.handle = (unsigned long)handle;
	if (m32.handle != (unsigned long)handle && printk_ratelimit())
		printk(KERN_ERR "compat_drm_addmap truncated handle"
		       " %p for type %d offset %x\n",
		       handle, m32.type, m32.offset);

	if (copy_to_user(argp, &m32, sizeof(m32)))
		return -EFAULT;

	return 0;
}

static int compat_drm_rmmap(struct file *file, unsigned int cmd,
			    unsigned long arg)
{
	drm_map32_t __user *argp = (void __user *)arg;
	drm_map_t __user *map;
	u32 handle;

	if (get_user(handle, &argp->handle))
		return -EFAULT;

	map = compat_alloc_user_space(sizeof(*map));
	if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
		return -EFAULT;
	if (__put_user((void *)(unsigned long)handle, &map->handle))
		return -EFAULT;

	return drm_ioctl(file->f_dentry->d_inode, file,
			 DRM_IOCTL_RM_MAP, (unsigned long)map);
}

typedef struct drm_client32 {
	int idx;	/**< Which client desired? */
	int auth;	/**< Is client authenticated? */
	u32 pid;	/**< Process ID */
	u32 uid;	/**< User ID */
	u32 magic;	/**< Magic */
	u32 iocs;	/**< Ioctl count */
} drm_client32_t;

static int compat_drm_getclient(struct file *file, unsigned int cmd,
				unsigned long arg)
{
	drm_client32_t c32;
	drm_client32_t __user *argp = (void __user *)arg;
	drm_client_t __user *client;
	int idx, err;

	if (get_user(idx, &argp->idx))
		return -EFAULT;

	client = compat_alloc_user_space(sizeof(*client));
	if (!access_ok(VERIFY_WRITE, client, sizeof(*client)))
		return -EFAULT;
	if (__put_user(idx, &client->idx))
		return -EFAULT;

	err = drm_ioctl(file->f_dentry->d_inode, file,
			DRM_IOCTL_GET_CLIENT, (unsigned long)client);
	if (err)
		return err;

	if (__get_user(c32.auth, &client->auth)
	    || __get_user(c32.pid, &client->pid)
	    || __get_user(c32.uid, &client->uid)
	    || __get_user(c32.magic, &client->magic)
	    || __get_user(c32.iocs, &client->iocs))
		return -EFAULT;

	if (copy_to_user(argp, &c32, sizeof(c32)))
		return -EFAULT;
	return 0;
}

typedef struct drm_stats32 {
	u32 count;
	struct {
		u32 value;
		drm_stat_type_t type;
	} data[15];
} drm_stats32_t;

static int compat_drm_getstats(struct file *file, unsigned int cmd,
			       unsigned long arg)
{
	drm_stats32_t s32;
	drm_stats32_t __user *argp = (void __user *)arg;
	drm_stats_t __user *stats;
	int i, err;

	stats = compat_alloc_user_space(sizeof(*stats));
	if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats)))
		return -EFAULT;

	err = drm_ioctl(file->f_dentry->d_inode, file,
			DRM_IOCTL_GET_STATS, (unsigned long)stats);
	if (err)
		return err;

	if (__get_user(s32.count, &stats->count))
		return -EFAULT;
	for (i = 0; i < 15; ++i)
		if (__get_user(s32.data[i].value, &stats->data[i].value)
		    || __get_user(s32.data[i].type, &stats->data[i].type))
			return -EFAULT;

	if (copy_to_user(argp, &s32, sizeof(s32)))
		return -EFAULT;
	return 0;
}

typedef struct drm_buf_desc32 {
	int count;		 /**< Number of buffers of this size */
	int size;		 /**< Size in bytes */
	int low_mark;		 /**< Low water mark */
	int high_mark;		 /**< High water mark */
	int flags;
	u32 agp_start;		 /**< Start address in the AGP aperture */
} drm_buf_desc32_t;

static int compat_drm_addbufs(struct file *file, unsigned int cmd,
			      unsigned long arg)
{
	drm_buf_desc32_t __user *argp = (void __user *)arg;
	drm_buf_desc_t __user *buf;
	int err;
	unsigned long agp_start;

	buf = compat_alloc_user_space(sizeof(*buf));
	if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))
	    || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)))
		return -EFAULT;

	if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start))
	    || __get_user(agp_start, &argp->agp_start)
	    || __put_user(agp_start, &buf->agp_start))
		return -EFAULT;

	err = drm_ioctl(file->f_dentry->d_inode, file,
			DRM_IOCTL_ADD_BUFS, (unsigned long)buf);
	if (err)
		return err;

	if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start))
	    || __get_user(agp_start, &buf->agp_start)
	    || __put_user(agp_start, &argp->agp_start))
		return -EFAULT;

	return 0;
}

static int compat_drm_markbufs(struct file *file, unsigned int cmd,
			       unsigned long arg)
{
	drm_buf_desc32_t b32;
	drm_buf_desc32_t __user *argp = (void __user *)arg;
	drm_buf_desc_t __user *buf;

	if (copy_from_user(&b32, argp, sizeof(b32)))
		return -EFAULT;

	buf = compat_alloc_user_space(sizeof(*buf));
	if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
		return -EFAULT;

	if (__put_user(b32.size, &buf->size)
	    || __put_user(b32.low_mark, &buf->low_mark)
	    || __put_user(b32.high_mark, &buf->high_mark))
		return -EFAULT;

	return drm_ioctl(file->f_dentry->d_inode, file,
			 DRM_IOCTL_MARK_BUFS, (unsigned long)buf);
}

typedef struct drm_buf_info32 {
	int count;		/**< Entries in list */
	u32 list;
} drm_buf_info32_t;

static int compat_drm_infobufs(struct file *file, unsigned int cmd,
			       unsigned long arg)
{
	drm_buf_info32_t req32;
	drm_buf_info32_t __user *argp = (void __user *)arg;
	drm_buf_desc32_t __user *to;
	drm_buf_info_t __user *request;
	drm_buf_desc_t __user *list;
	size_t nbytes;
	int i, err;
	int count, actual;

	if (copy_from_user(&req32, argp, sizeof(req32)))
		return -EFAULT;

	count = req32.count;
	to = (drm_buf_desc32_t __user *)(unsigned long)req32.list;
	if (count < 0)
		count = 0;
	if (count > 0
	    && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t)))
		return -EFAULT;

	nbytes = sizeof(*request) + count * sizeof(drm_buf_desc_t);