renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

Age	Commit message (Expand)	Author
2005-08-26	[1] Fix BSD DRM for the nonroot changes. [2] Don't attempt to acquire the	Eric Anholt
2005-08-05	Rename the driver hooks in the DRM to something a little more	Eric Anholt
2005-04-16	Use /*- to begin license blocks in BSD code to reduce diffs against FreeBSD	Eric Anholt
2005-02-05	- Implement drm_initmap, and extend it with the resource number to help	Eric Anholt
2004-11-07	Refine the locking of the DRM. Most significant is covering the driver	Eric Anholt
2004-11-07	Now that the memory debug code is gone, and all 3 BSDs have M_ZERO, stop	Eric Anholt
2004-11-06	Commit WIP of BSD conversion to core model. Compiles for r128, radeon, but	Eric Anholt
2004-08-17	Merged drmfntbl-0-0-1	Dave Airlie
2004-08-14	Add a "dev" argument to DRIVER_CTX_[CD]TOR. This will be used in an	Eric Anholt
2003-10-03	Stylistic preparation for SMPng locking work: DRM_LOCK/DRM_UNLOCK have side	Eric Anholt
2003-10-02	Mostly whitespace cleanups and style(9) fixes focused on "if(" -> "if ("	Eric Anholt
2003-08-29	Port the SiS DRM to FreeBSD. This includes the ability for the DRM to	Eric Anholt
2003-08-19	- Remove $FreeBSD$ tags as they weren't too useful and merges are now being	Eric Anholt
2003-04-25	Merge from FreeBSD-current.	Eric Anholt
2003-04-24	Remove more gamma DMA infrastructure. Most of this code was copied straight	Eric Anholt
2003-04-24	Remove more gamma DMA code. This isn't all of it, but it's a major portion.	Eric Anholt
2003-04-24	Remove a bunch of dead code and fix spelling of a couple of comments.	Eric Anholt
2003-04-24	Remove DRM_DMA_HISTOGRAM and associated code.	Eric Anholt
2003-04-24	Make DRM(read) and DRM(poll) stubs and remove DRM(write) and	Eric Anholt
2003-03-11	Merge back from FreeBSD-current, adding FreeBSD ID tags to aid future	Eric Anholt
2003-02-21	Merge from bsd-4-0-0-branch.	Eric Anholt
2002-07-05	merged bsd-3-0-0-branch	Alan Hourihane
2002-01-27	Initial revision	David Dawes

/** * \file drmP.h * Private header for Direct Rendering Manager * * \author Rickard E. (Rik) Faith <faith@valinux.com> * \author Gareth Hughes <gareth@valinux.com> */ /* * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * 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 * 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_P_H_ #define _DRM_P_H_ #ifdef __KERNEL__ #ifdef __alpha__ /* add include of current.h so that "current" is defined * before static inline funcs in wait.h. Doing this so we * can build the DRM (part of PI DRI). 4/21/2000 S + B */ #include <asm/current.h> #endif /* __alpha__ */ #include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/fs.h> #include <linux/proc_fs.h> #include <linux/init.h> #include <linux/file.h> #include <linux/pci.h> #include <linux/version.h> #include <linux/sched.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ #include <linux/mm.h> #include <linux/pagemap.h> #if defined(__alpha__) || defined(__powerpc__) #include <asm/pgtable.h> /* For pte_wrprotect */ #endif #include <asm/io.h> #include <asm/mman.h> #include <asm/uaccess.h> #ifdef CONFIG_MTRR #include <asm/mtrr.h> #endif #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) #include <linux/types.h> #include <linux/agp_backend.h> #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41) #define HAS_WORKQUEUE 0 #else #define HAS_WORKQUEUE 1 #endif #if !HAS_WORKQUEUE #include <linux/tqueue.h> #else #include <linux/workqueue.h> #endif #include <linux/poll.h> #include <asm/pgalloc.h> #include "drm.h" #include "drm_os_linux.h" /***********************************************************************/ /** \name DRM template customization defaults */ /*@{*/ #ifndef __HAVE_AGP #define __HAVE_AGP 0 #endif #ifndef __HAVE_MTRR #define __HAVE_MTRR 0 #endif #ifndef __HAVE_CTX_BITMAP #define __HAVE_CTX_BITMAP 0 #endif #ifndef __HAVE_DMA #define __HAVE_DMA 0 #endif #ifndef __HAVE_DMA_IRQ #define __HAVE_DMA_IRQ 0 #endif #ifndef __HAVE_DMA_WAITLIST #define __HAVE_DMA_WAITLIST 0 #endif #ifndef __HAVE_DMA_FREELIST #define __HAVE_DMA_FREELIST 0 #endif #define __REALLY_HAVE_AGP (__HAVE_AGP && (defined(CONFIG_AGP) || \ defined(CONFIG_AGP_MODULE))) #define __REALLY_HAVE_MTRR (__HAVE_MTRR && defined(CONFIG_MTRR)) #define __REALLY_HAVE_SG (__HAVE_SG) /*@}*/ /***********************************************************************/ /** \name Begin the DRM... */ /*@{*/ #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then also include looping detection. */ #define DRM_HASH_SIZE 16 /**< Size of key hash table. Must be power of 2. */ #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ #define DRM_LOOPING_LIMIT 5000000 #define DRM_BSZ 1024 /**< Buffer size for /dev/drm? output */ #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ #define DRM_FLAG_DEBUG 0x01 #define DRM_MEM_DMA 0 #define DRM_MEM_SAREA 1 #define DRM_MEM_DRIVER 2 #define DRM_MEM_MAGIC 3 #define DRM_MEM_IOCTLS 4 #define DRM_MEM_MAPS 5 #define DRM_MEM_VMAS 6 #define DRM_MEM_BUFS 7 #define DRM_MEM_SEGS 8 #define DRM_MEM_PAGES 9 #define DRM_MEM_FILES 10 #define DRM_MEM_QUEUES 11 #define DRM_MEM_CMDS 12 #define DRM_MEM_MAPPINGS 13 #define DRM_MEM_BUFLISTS 14 #define DRM_MEM_AGPLISTS 15 #define DRM_MEM_TOTALAGP 16 #define DRM_MEM_BOUNDAGP 17 #define DRM_MEM_CTXBITMAP 18 #define DRM_MEM_STUB 19 #define DRM_MEM_SGLISTS 20 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) /*@}*/ /***********************************************************************/ /** \name Backward compatibility section */ /*@{*/ #ifndef minor #define minor(x) MINOR((x)) #endif #ifndef MODULE_LICENSE #define MODULE_LICENSE(x) #endif #ifndef preempt_disable #define preempt_disable() #define preempt_enable() #endif #ifndef pte_offset_map #define pte_offset_map pte_offset #define pte_unmap(pte) #endif #ifndef list_for_each_safe #define list_for_each_safe(pos, n, head) \ for (pos = (head)->next, n = pos->next; pos != (head); \ pos = n, n = pos->next) #endif #ifndef list_for_each_entry #define list_for_each_entry(pos, head, member) \ for (pos = list_entry((head)->next, typeof(*pos), member), \ prefetch(pos->member.next); \ &pos->member != (head); \ pos = list_entry(pos->member.next, typeof(*pos), member), \ prefetch(pos->member.next)) #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) static inline struct page * vmalloc_to_page(void * vmalloc_addr) { unsigned long addr = (unsigned long) vmalloc_addr; struct page *page = NULL; pgd_t *pgd = pgd_offset_k(addr); pmd_t *pmd; pte_t *ptep, pte; if (!pgd_none(*pgd)) { pmd = pmd_offset(pgd, addr); if (!pmd_none(*pmd)) { preempt_disable(); ptep = pte_offset_map(pmd, addr); pte = *ptep; if (pte_present(pte)) page = pte_page(pte); pte_unmap(ptep); preempt_enable(); } } return page; } #endif #ifndef REMAP_PAGE_RANGE_5_ARGS #define DRM_RPR_ARG(vma) #else #define DRM_RPR_ARG(vma) vma, #endif #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT) /*@}*/ /***********************************************************************/ /** \name Macros to make printk easier */ /*@{*/ /** * Error output. * * \param fmt printf() like format string. * \param arg arguments */ #define DRM_ERROR(fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) /** * Memory error output. * * \param area memory area where the error occurred. * \param fmt printf() like format string. * \param arg arguments */ #define DRM_MEM_ERROR(area, fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ DRM(mem_stats)[area].name , ##arg) #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) /** * Debug output. * * \param fmt printf() like format string. * \param arg arguments */ #if DRM_DEBUG_CODE #define DRM_DEBUG(fmt, arg...) \ do { \ if ( DRM(flags) & DRM_FLAG_DEBUG ) \ printk(KERN_DEBUG \ "[" DRM_NAME ":%s] " fmt , \ __FUNCTION__ , ##arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while (0) #endif #define DRM_PROC_LIMIT (PAGE_SIZE-80) #define DRM_PROC_PRINT(fmt, arg...) \ len += sprintf(&buf[len], fmt , ##arg); \ if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ len += sprintf(&buf[len], fmt , ##arg); \ if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } /*@}*/ /***********************************************************************/ /** \name Mapping helper macros */ /*@{*/ #define DRM_IOREMAP(map, dev) \ (map)->handle = DRM(ioremap)( (map)->offset, (map)->size, (dev) ) #define DRM_IOREMAP_NOCACHE(map, dev) \ (map)->handle = DRM(ioremap_nocache)((map)->offset, (map)->size, (dev)) #define DRM_IOREMAPFREE(map, dev) \ do { \ if ( (map)->handle && (map)->size ) \ DRM(ioremapfree)( (map)->handle, (map)->size, (dev) ); \ } while (0) /** * Find mapping. * * \param _map matching mapping if found, untouched otherwise. * \param _o offset. * * Expects the existence of a local variable named \p dev pointing to the * drm_device structure. */ #define DRM_FIND_MAP(_map, _o) \ do { \ struct list_head *_list; \ list_for_each( _list, &dev->maplist->head ) { \ drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head ); \ if ( _entry->map && \ _entry->map->offset == (_o) ) { \ (_map) = _entry->map; \ break; \ } \ } \ } while(0) /** * Drop mapping. * * \sa #DRM_FIND_MAP. */ #define DRM_DROP_MAP(_map) /*@}*/ /***********************************************************************/ /** \name Internal types and structures */ /*@{*/ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) /** * Get the private SAREA mapping. * * \param _dev DRM device. * \param _ctx context number. * \param _map output mapping. */ #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) /** * Test that the hardware lock is held by the caller, returning otherwise. * * \param dev DRM device. * \param filp file pointer of the caller. */ #define LOCK_TEST_WITH_RETURN( dev, filp ) \ do { \ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ dev->lock.filp != filp ) { \ DRM_ERROR( "%s called without lock held\n", \ __FUNCTION__ ); \ return -EINVAL; \ } \ } while (0) /** * Ioctl function type. * * \param inode device inode. * \param filp file pointer. * \param cmd command. * \param arg argument. */ typedef int drm_ioctl_t( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); typedef struct drm_pci_list { u16 vendor; u16 device; } drm_pci_list_t; typedef struct drm_ioctl_desc { drm_ioctl_t *func; int auth_needed; int root_only; } drm_ioctl_desc_t; typedef struct drm_devstate { pid_t owner; /**< X server pid holding x_lock */ } drm_devstate_t; typedef struct drm_magic_entry { drm_magic_t magic; struct drm_file *priv; struct drm_magic_entry *next; } drm_magic_entry_t; typedef struct drm_magic_head { struct drm_magic_entry *head; struct drm_magic_entry *tail; } drm_magic_head_t; typedef struct drm_vma_entry { struct vm_area_struct *vma; struct drm_vma_entry *next; pid_t pid; } drm_vma_entry_t; /** * DMA buffer. */ typedef struct drm_buf { int idx; /**< Index into master buflist */ int total; /**< Buffer size */ int order; /**< log-base-2(total) */ int used; /**< Amount of buffer in use (for DMA) */ unsigned long offset; /**< Byte offset (used internally) */ void *address; /**< Address of buffer */ unsigned long bus_address; /**< Bus address of buffer */ struct drm_buf *next; /**< Kernel-only: used for free list */ __volatile__ int waiting; /**< On kernel DMA queue */ __volatile__ int pending; /**< On hardware DMA queue */ wait_queue_head_t dma_wait; /**< Processes waiting */ struct file *filp; /**< Pointer to holding file descr */ int context; /**< Kernel queue for this buffer */ int while_locked;/**< Dispatch this buffer while locked */ enum { DRM_LIST_NONE = 0, DRM_LIST_FREE = 1, DRM_LIST_WAIT = 2, DRM_LIST_PEND = 3, DRM_LIST_PRIO = 4, DRM_LIST_RECLAIM = 5 } list; /**< Which list we're on */ int dev_priv_size; /**< Size of buffer private storage */ void *dev_private; /**< Per-buffer private storage */ } drm_buf_t;