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Viewing changes to updates/nouveau/include/drm/drm_mm.h

  • Committer: Bazaar Package Importer
  • Author(s): Andy Whitcroft, Andy Whitcroft, Tim Gardner
  • Date: 2010-03-08 08:59:41 UTC
  • Revision ID: james.westby@ubuntu.com-20100308085941-rrlpd5wtuh7m2an9
Tags: 2.6.32-16.6
[ Andy Whitcroft ]

* Lucid ABI 16
* nouveau -- make the nouveau package an optional build
* nouveau -- disable generation of nouveau
* nouveau -- drop the redundant nouveau source

[ Tim Gardner ]

* Added iwlwifi 6000 series firmware
* udev expects firmware in /lib/firmware/updates/`uname -r`

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updates/nouveau/include/drm/drm_mm.h
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/**************************************************************************
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 *
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 * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX. USA.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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 * USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 *
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 **************************************************************************/
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/*
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 * Authors:
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 * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
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 */
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#ifndef _DRM_MM_H_
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#define _DRM_MM_H_
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/*
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 * Generic range manager structs
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 */
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#include <linux/list.h>
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#ifdef CONFIG_DEBUG_FS
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#include <linux/seq_file.h>
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#endif
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struct drm_mm_node {
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        struct list_head fl_entry;
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        struct list_head ml_entry;
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        int free;
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        unsigned long start;
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        unsigned long size;
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        struct drm_mm *mm;
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        void *private;
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};
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struct drm_mm {
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        struct list_head fl_entry;
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        struct list_head ml_entry;
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        struct list_head unused_nodes;
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        int num_unused;
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        spinlock_t unused_lock;
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};
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/*
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 * Basic range manager support (drm_mm.c)
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 */
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extern struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node,
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                                                    unsigned long size,
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                                                    unsigned alignment,
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                                                    int atomic);
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extern struct drm_mm_node *drm_mm_get_block_range_generic(
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                                                struct drm_mm_node *node,
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                                                unsigned long size,
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                                                unsigned alignment,
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                                                unsigned long start,
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                                                unsigned long end,
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                                                int atomic);
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static inline struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent,
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                                                   unsigned long size,
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                                                   unsigned alignment)
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{
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        return drm_mm_get_block_generic(parent, size, alignment, 0);
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}
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static inline struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent,
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                                                          unsigned long size,
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                                                          unsigned alignment)
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{
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        return drm_mm_get_block_generic(parent, size, alignment, 1);
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}
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static inline struct drm_mm_node *drm_mm_get_block_range(
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                                                struct drm_mm_node *parent,
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                                                unsigned long size,
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                                                unsigned alignment,
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                                                unsigned long start,
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                                                unsigned long end)
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{
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        return drm_mm_get_block_range_generic(parent, size, alignment,
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                                                start, end, 0);
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}
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static inline struct drm_mm_node *drm_mm_get_block_atomic_range(
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                                                struct drm_mm_node *parent,
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                                                unsigned long size,
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                                                unsigned alignment,
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                                                unsigned long start,
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                                                unsigned long end)
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{
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        return drm_mm_get_block_range_generic(parent, size, alignment,
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                                                start, end, 1);
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}
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extern void drm_mm_put_block(struct drm_mm_node *cur);
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extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
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                                              unsigned long size,
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                                              unsigned alignment,
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                                              int best_match);
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extern struct drm_mm_node *drm_mm_search_free_in_range(
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                                                const struct drm_mm *mm,
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                                                unsigned long size,
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                                                unsigned alignment,
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                                                unsigned long start,
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                                                unsigned long end,
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                                                int best_match);
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extern int drm_mm_init(struct drm_mm *mm, unsigned long start,
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                       unsigned long size);
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extern void drm_mm_takedown(struct drm_mm *mm);
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extern int drm_mm_clean(struct drm_mm *mm);
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extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
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extern int drm_mm_remove_space_from_tail(struct drm_mm *mm,
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                                         unsigned long size);
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extern int drm_mm_add_space_to_tail(struct drm_mm *mm,
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                                    unsigned long size, int atomic);
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extern int drm_mm_pre_get(struct drm_mm *mm);
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static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
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{
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        return block->mm;
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}
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extern void drm_mm_debug_table(struct drm_mm *mm, const char *prefix);
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#ifdef CONFIG_DEBUG_FS
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int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm);
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#endif
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#endif