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Mucho cleanup of ddx drivers & kernel

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This commit is contained in:
Jeff Hartmann 2000-03-31 00:08:00 +00:00
parent f52e475488
commit fc91722107
18 changed files with 409 additions and 232 deletions
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2
libdrm/xf86drm.c
View file

@ -816,7 +816,7 @@ int drmAgpVersionMajor(int fd)
{
drm_agp_info_t i;
if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return -errno;
return i.agp_version_major;
}

2
linux-core/drmP.h
View file

@ -53,7 +53,7 @@
#include <linux/agp_backend.h>
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
#include <linux/spinlock.h>
#include <linux/tqueue.h>
#include <linux/poll.h>
#endif
#include "drm.h"

24
linux-core/i810_dma.c
View file

@ -33,7 +33,6 @@
#define __NO_VERSION__
#include "drmP.h"
#include "i810_drm_public.h"
#include "i810_drv.h"
#include <linux/interrupt.h> /* For task queue support */
@ -406,7 +405,7 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev,
drm_i810_private_t *dev_priv = dev->dev_private;
drm_i810_buf_priv_t *buf_priv = buf->dev_private;
drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
xf86drmClipRectRec *box = sarea_priv->boxes;
drm_clip_rect_t *box = sarea_priv->boxes;
int nbox = sarea_priv->nbox;
unsigned long address = (unsigned long)buf->bus_address;
unsigned long start = address - dev->agp->base;
@ -821,6 +820,11 @@ int i810_flush_ioctl(struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
DRM_DEBUG("i810_flush_ioctl\n");
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_flush_ioctl called without lock held\n");
return -EINVAL;
}
i810_flush_queue(dev);
return 0;
}
@ -869,6 +873,11 @@ int i810_dma_general(struct inode *inode, struct file *filp,
DRM_DEBUG("i810 dma general idx %d used %d\n",
general.idx, general.used);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma_general called without lock held\n");
return -EINVAL;
}
retcode = i810DmaGeneral(dev, &general);
sarea_priv->last_enqueue = dev_priv->counter-1;
sarea_priv->last_dispatch = (int) hw_status[5];
@ -890,7 +899,11 @@ int i810_dma_vertex(struct inode *inode, struct file *filp,
copy_from_user_ret(&vertex, (drm_i810_vertex_t *)arg, sizeof(vertex),
-EFAULT);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma_vertex called without lock held\n");
return -EINVAL;
}
DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n",
vertex.idx, vertex.used, vertex.discard);
@ -933,6 +946,11 @@ int i810_dma(struct inode *inode, struct file *filp, unsigned int cmd,
copy_from_user_ret(&d, (drm_dma_t *)arg, sizeof(d), -EFAULT);
DRM_DEBUG("%d %d: %d send, %d req\n",
current->pid, d.context, d.send_count, d.request_count);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma called without lock held\n");
return -EINVAL;
}
/* Please don't send us buffers.
*/

93
linux-core/i810_drm.h Normal file
View file

@ -0,0 +1,93 @@
#ifndef _I810_DRM_H_
#define _I810_DRM_H_
/* WARNING: These defines must be the same as what the Xserver uses.
* if you change them, you must change the defines in the Xserver.
*/
/* Might one day want to support the client-side ringbuffer code again.
*/
#ifndef _I810_DEFINES_
#define _I810_DEFINES_
#define I810_USE_BATCH 1
#define I810_DMA_BUF_ORDER 12
#define I810_DMA_BUF_SZ (1<<I810_DMA_BUF_ORDER)
#define I810_DMA_BUF_NR 256
#define I810_NR_SAREA_CLIPRECTS 2
/* Each region is a minimum of 64k, and there are at most 64 of them.
*/
#define I810_NR_TEX_REGIONS 64
#define I810_LOG_MIN_TEX_REGION_SIZE 16
#endif
typedef struct _drm_i810_init {
enum {
I810_INIT_DMA = 0x01,
I810_CLEANUP_DMA = 0x02
} func;
int ring_map_idx;
int buffer_map_idx;
int sarea_priv_offset;
unsigned long ring_start;
unsigned long ring_end;
unsigned long ring_size;
} drm_i810_init_t;
/* Warning: If you change the SAREA structure you must change the Xserver
* structure as well */
typedef struct _drm_i810_tex_region {
unsigned char next, prev; /* indices to form a circular LRU */
unsigned char in_use; /* owned by a client, or free? */
int age; /* tracked by clients to update local LRU's */
} drm_i810_tex_region_t;
typedef struct _drm_i810_sarea {
unsigned int nbox;
drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
/* Maintain an LRU of contiguous regions of texture space. If
* you think you own a region of texture memory, and it has an
* age different to the one you set, then you are mistaken and
* it has been stolen by another client. If global texAge
* hasn't changed, there is no need to walk the list.
*
* These regions can be used as a proxy for the fine-grained
* texture information of other clients - by maintaining them
* in the same lru which is used to age their own textures,
* clients have an approximate lru for the whole of global
* texture space, and can make informed decisions as to which
* areas to kick out. There is no need to choose whether to
* kick out your own texture or someone else's - simply eject
* them all in LRU order.
*/
drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS+1];
/* Last elt is sentinal */
int texAge; /* last time texture was uploaded */
int last_enqueue; /* last time a buffer was enqueued */
int last_dispatch; /* age of the most recently dispatched buffer */
int last_quiescent; /* */
int ctxOwner; /* last context to upload state */
} drm_i810_sarea_t;
typedef struct _drm_i810_general {
int idx;
int used;
} drm_i810_general_t;
/* These may be placeholders if we have more cliprects than
* I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
* false, indicating that the buffer will be dispatched again with a
* new set of cliprects.
*/
typedef struct _drm_i810_vertex {
int idx; /* buffer index */
int used; /* nr bytes in use */
int discard; /* client is finished with the buffer? */
} drm_i810_vertex_t;
#endif /* _I810_DRM_H_ */

1
linux-core/i810_drv.h
View file

@ -31,7 +31,6 @@
#ifndef _I810_DRV_H_
#define _I810_DRV_H_
#include "i810_drm_public.h"
typedef struct _drm_i810_ring_buffer{
int tail_mask;

4
linux/Makefile.linux
View file

@ -119,10 +119,10 @@ DRMOBJS += agpsupport.o
MODS += mga.o i810.o
MGAOBJS= mga_drv.o mga_dma.o mga_bufs.o mga_state.o mga_context.o
MGAHEADERS= mga_drv.h mga_drm_public.h $(DRMHEADERS)
MGAHEADERS= mga_drv.h $(DRMHEADERS)
I810OBJS= i810_drv.o i810_dma.o i810_bufs.o i810_context.o
I810HEADERS= i810_drv.h i810_drm_public.h $(DRMHEADERS)
I810HEADERS= i810_drv.h $(DRMHEADERS)
endif
all::;@echo KERNEL HEADERS IN $(TREE): SMP=${SMP} MODVERSIONS=${MODVERSIONS} \

29
linux/drm.h
View file

@ -61,6 +61,19 @@ typedef unsigned int drm_context_t;
typedef unsigned int drm_drawable_t;
typedef unsigned int drm_magic_t;
/* Warning: If you change this structure, make sure you change
* XF86DRIClipRectRec in the server as well */
typedef struct drm_clip_rect {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
} drm_clip_rect_t;
/* Seperate include files for the i810/mga specific structures */
#include "mga_drm.h"
#include "i810_drm.h"
typedef struct drm_version {
int version_major; /* Major version */
@ -321,5 +334,19 @@ typedef struct drm_agp_info {
#define DRM_IOCTL_AGP_BIND DRM_IOWR(0x36, drm_agp_binding_t)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t)
/* 0x40 is reserved for mga dma init */
/* Mga specific ioctls */
#define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t)
#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t)
#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t)
#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t)
#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t)
#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t )
/* I810 specific ioctls */
#define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t)
#define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t)
#define DRM_IOCTL_I810_DMA DRM_IOW( 0x42, drm_i810_general_t)
#define DRM_IOCTL_I810_FLUSH DRM_IO ( 0x43)
#define DRM_IOCTL_I810_GETAGE DRM_IO ( 0x44)
#endif

2
linux/drmP.h
View file

@ -53,7 +53,7 @@
#include <linux/agp_backend.h>
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
#include <linux/spinlock.h>
#include <linux/tqueue.h>
#include <linux/poll.h>
#endif
#include "drm.h"

24
linux/i810_dma.c
View file

@ -33,7 +33,6 @@
#define __NO_VERSION__
#include "drmP.h"
#include "i810_drm_public.h"
#include "i810_drv.h"
#include <linux/interrupt.h> /* For task queue support */
@ -406,7 +405,7 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev,
drm_i810_private_t *dev_priv = dev->dev_private;
drm_i810_buf_priv_t *buf_priv = buf->dev_private;
drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
xf86drmClipRectRec *box = sarea_priv->boxes;
drm_clip_rect_t *box = sarea_priv->boxes;
int nbox = sarea_priv->nbox;
unsigned long address = (unsigned long)buf->bus_address;
unsigned long start = address - dev->agp->base;
@ -821,6 +820,11 @@ int i810_flush_ioctl(struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
DRM_DEBUG("i810_flush_ioctl\n");
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_flush_ioctl called without lock held\n");
return -EINVAL;
}
i810_flush_queue(dev);
return 0;
}
@ -869,6 +873,11 @@ int i810_dma_general(struct inode *inode, struct file *filp,
DRM_DEBUG("i810 dma general idx %d used %d\n",
general.idx, general.used);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma_general called without lock held\n");
return -EINVAL;
}
retcode = i810DmaGeneral(dev, &general);
sarea_priv->last_enqueue = dev_priv->counter-1;
sarea_priv->last_dispatch = (int) hw_status[5];
@ -890,7 +899,11 @@ int i810_dma_vertex(struct inode *inode, struct file *filp,
copy_from_user_ret(&vertex, (drm_i810_vertex_t *)arg, sizeof(vertex),
-EFAULT);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma_vertex called without lock held\n");
return -EINVAL;
}
DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n",
vertex.idx, vertex.used, vertex.discard);
@ -933,6 +946,11 @@ int i810_dma(struct inode *inode, struct file *filp, unsigned int cmd,
copy_from_user_ret(&d, (drm_dma_t *)arg, sizeof(d), -EFAULT);
DRM_DEBUG("%d %d: %d send, %d req\n",
current->pid, d.context, d.send_count, d.request_count);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma called without lock held\n");
return -EINVAL;
}
/* Please don't send us buffers.
*/

93
linux/i810_drm.h Normal file
View file

@ -0,0 +1,93 @@
#ifndef _I810_DRM_H_
#define _I810_DRM_H_
/* WARNING: These defines must be the same as what the Xserver uses.
* if you change them, you must change the defines in the Xserver.
*/
/* Might one day want to support the client-side ringbuffer code again.
*/
#ifndef _I810_DEFINES_
#define _I810_DEFINES_
#define I810_USE_BATCH 1
#define I810_DMA_BUF_ORDER 12
#define I810_DMA_BUF_SZ (1<<I810_DMA_BUF_ORDER)
#define I810_DMA_BUF_NR 256
#define I810_NR_SAREA_CLIPRECTS 2
/* Each region is a minimum of 64k, and there are at most 64 of them.
*/
#define I810_NR_TEX_REGIONS 64
#define I810_LOG_MIN_TEX_REGION_SIZE 16
#endif
typedef struct _drm_i810_init {
enum {
I810_INIT_DMA = 0x01,
I810_CLEANUP_DMA = 0x02
} func;
int ring_map_idx;
int buffer_map_idx;
int sarea_priv_offset;
unsigned long ring_start;
unsigned long ring_end;
unsigned long ring_size;
} drm_i810_init_t;
/* Warning: If you change the SAREA structure you must change the Xserver
* structure as well */
typedef struct _drm_i810_tex_region {
unsigned char next, prev; /* indices to form a circular LRU */
unsigned char in_use; /* owned by a client, or free? */
int age; /* tracked by clients to update local LRU's */
} drm_i810_tex_region_t;
typedef struct _drm_i810_sarea {
unsigned int nbox;
drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
/* Maintain an LRU of contiguous regions of texture space. If
* you think you own a region of texture memory, and it has an
* age different to the one you set, then you are mistaken and
* it has been stolen by another client. If global texAge
* hasn't changed, there is no need to walk the list.
*
* These regions can be used as a proxy for the fine-grained
* texture information of other clients - by maintaining them
* in the same lru which is used to age their own textures,
* clients have an approximate lru for the whole of global
* texture space, and can make informed decisions as to which
* areas to kick out. There is no need to choose whether to
* kick out your own texture or someone else's - simply eject
* them all in LRU order.
*/
drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS+1];
/* Last elt is sentinal */
int texAge; /* last time texture was uploaded */
int last_enqueue; /* last time a buffer was enqueued */
int last_dispatch; /* age of the most recently dispatched buffer */
int last_quiescent; /* */
int ctxOwner; /* last context to upload state */
} drm_i810_sarea_t;
typedef struct _drm_i810_general {
int idx;
int used;
} drm_i810_general_t;
/* These may be placeholders if we have more cliprects than
* I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
* false, indicating that the buffer will be dispatched again with a
* new set of cliprects.
*/
typedef struct _drm_i810_vertex {
int idx; /* buffer index */
int used; /* nr bytes in use */
int discard; /* client is finished with the buffer? */
} drm_i810_vertex_t;
#endif /* _I810_DRM_H_ */

133
linux/i810_drm_public.h
View file

@ -1,133 +0,0 @@
/* i810_drm_public.h -- Public header for the i810 driver -*- linux-c -*-
* Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* 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
* PRECISION INSIGHT 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.
*
* Authors: Jeff Hartmann <jhartmann@precisioninsight.com>
* Keith Whitwell <keithw@precisioninsight.com>
*
* $XFree86$
*/
#ifndef _I810_DRM_H_
#define _I810_DRM_H_
typedef struct drm_i810_init {
enum {
I810_INIT_DMA = 0x01,
I810_CLEANUP_DMA = 0x02
} func;
int ring_map_idx;
int buffer_map_idx;
int sarea_priv_offset;
unsigned long ring_start;
unsigned long ring_end;
unsigned long ring_size;
} drm_i810_init_t;
typedef struct _xf86drmClipRectRec {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
} xf86drmClipRectRec;
/* Might one day want to support the client-side ringbuffer code again.
*/
#define I810_USE_BATCH 1
#define I810_DMA_BUF_ORDER 12
#define I810_DMA_BUF_SZ (1<<I810_DMA_BUF_ORDER)
#define I810_DMA_BUF_NR 256
#define I810_NR_SAREA_CLIPRECTS 2
/* Each region is a minimum of 64k, and there are at most 64 of them.
*/
#define I810_NR_TEX_REGIONS 64
#define I810_LOG_MIN_TEX_REGION_SIZE 16
typedef struct {
unsigned char next, prev; /* indices to form a circular LRU */
unsigned char in_use; /* owned by a client, or free? */
int age; /* tracked by clients to update local LRU's */
} i810TexRegion;
typedef struct {
unsigned int nbox;
xf86drmClipRectRec boxes[I810_NR_SAREA_CLIPRECTS];
/* Maintain an LRU of contiguous regions of texture space. If
* you think you own a region of texture memory, and it has an
* age different to the one you set, then you are mistaken and
* it has been stolen by another client. If global texAge
* hasn't changed, there is no need to walk the list.
*
* These regions can be used as a proxy for the fine-grained
* texture information of other clients - by maintaining them
* in the same lru which is used to age their own textures,
* clients have an approximate lru for the whole of global
* texture space, and can make informed decisions as to which
* areas to kick out. There is no need to choose whether to
* kick out your own texture or someone else's - simply eject
* them all in LRU order.
*/
i810TexRegion texList[I810_NR_TEX_REGIONS+1]; /* Last elt is sentinal */
int texAge; /* last time texture was uploaded */
int last_enqueue; /* last time a buffer was enqueued */
int last_dispatch; /* age of the most recently dispatched buffer */
int last_quiescent; /* */
int ctxOwner; /* last context to upload state */
} drm_i810_sarea_t;
typedef struct {
int idx;
int used;
} drm_i810_general_t;
/* These may be placeholders if we have more cliprects than
* I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
* false, indicating that the buffer will be dispatched again with a
* new set of cliprects.
*/
typedef struct {
int idx; /* buffer index */
int used; /* nr bytes in use */
int discard; /* client is finished with the buffer? */
} drm_i810_vertex_t;
#define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t)
#define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t)
#define DRM_IOCTL_I810_DMA DRM_IOW( 0x42, drm_i810_general_t)
#define DRM_IOCTL_I810_FLUSH DRM_IO ( 0x43)
#define DRM_IOCTL_I810_GETAGE DRM_IO ( 0x44)
#endif /* _I810_DRM_H_ */

1
linux/i810_drv.h
View file

@ -31,7 +31,6 @@
#ifndef _I810_DRV_H_
#define _I810_DRV_H_
#include "i810_drm_public.h"
typedef struct _drm_i810_ring_buffer{
int tail_mask;

9
linux/mga_dma.c
View file

@ -787,7 +787,7 @@ static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) {
dev_priv->mAccess);
memcpy(&dev_priv->WarpIndex, &init->WarpIndex,
sizeof(mgaWarpIndex) * MGA_MAX_WARP_PIPES);
sizeof(drm_mga_warp_index_t) * MGA_MAX_WARP_PIPES);
for (i = 0 ; i < MGA_MAX_WARP_PIPES ; i++)
DRM_DEBUG("warp pipe %d: installed: %d phys: %lx size: %x\n",
@ -1116,7 +1116,12 @@ int mga_flush_ioctl(struct inode *inode, struct file *filp,
int i;
copy_from_user_ret(&lock, (drm_lock_t *)arg, sizeof(lock), -EFAULT);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("mga_flush_ioctl called without lock held\n");
return -EINVAL;
}
if(lock.flags & _DRM_LOCK_FLUSH || lock.flags & _DRM_LOCK_FLUSH_ALL) {
mga_flush_queue(dev);

132
linux/mga_drm_public.h → linux/mga_drm.h
View file

@ -1,4 +1,4 @@
/* mga_drm_public.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*-
/* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*-
* Created: Tue Jan 25 01:50:01 1999 by jhartmann@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@ -29,9 +29,14 @@
* $XFree86$
*/
#ifndef _MGA_DRM_PUBLIC_H_
#define _MGA_DRM_PUBLIC_H_
#ifndef _MGA_DRM_H_
#define _MGA_DRM_H_
/* WARNING: If you change any of these defines, make sure to change the
* defines in the Xserver file (xf86drmMga.h)
*/
#ifndef _MGA_DEFINES_
#define _MGA_DEFINES_
#define MGA_F 0x1 /* fog */
#define MGA_A 0x2 /* alpha */
#define MGA_S 0x4 /* specular */
@ -61,52 +66,10 @@
#define MGA_CARD_TYPE_G200 1
#define MGA_CARD_TYPE_G400 2
typedef struct _drm_mga_warp_index {
int installed;
unsigned long phys_addr;
int size;
} mgaWarpIndex;
typedef struct drm_mga_init {
enum {
MGA_INIT_DMA = 0x01,
MGA_CLEANUP_DMA = 0x02
} func;
int reserved_map_agpstart;
int reserved_map_idx;
int buffer_map_idx;
int sarea_priv_offset;
int primary_size;
int warp_ucode_size;
int frontOffset;
int backOffset;
int depthOffset;
int textureOffset;
int textureSize;
int agpTextureOffset;
int agpTextureSize;
int cpp;
int stride;
int sgram;
int chipset;
mgaWarpIndex WarpIndex[MGA_MAX_WARP_PIPES];
int mAccess;
} drm_mga_init_t;
typedef struct _xf86drmClipRectRec {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
} xf86drmClipRectRec;
#define MGA_FRONT 0x1
#define MGA_BACK 0x2
#define MGA_DEPTH 0x4
/* 3d state excluding texture units:
*/
#define MGA_CTXREG_DSTORG 0 /* validated */
@ -155,42 +118,72 @@ typedef struct _xf86drmClipRectRec {
#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock
quiescent */
/* 64 buffers of 16k each, total 1 meg.
*/
#define MGA_DMA_BUF_ORDER 14
#define MGA_DMA_BUF_SZ (1<<MGA_DMA_BUF_ORDER)
#define MGA_DMA_BUF_NR 63
/* Keep these small for testing.
*/
#define MGA_NR_SAREA_CLIPRECTS 8
/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
* regions, subject to a minimum region size of (1<<16) == 64k.
*
* Clients may subdivide regions internally, but when sharing between
* clients, the region size is the minimum granularity.
*/
#define MGA_CARD_HEAP 0
#define MGA_AGP_HEAP 1
#define MGA_NR_TEX_HEAPS 2
#define MGA_NR_TEX_REGIONS 16
#define MGA_LOG_MIN_TEX_REGION_SIZE 16
#endif
typedef struct {
typedef struct _drm_mga_warp_index {
int installed;
unsigned long phys_addr;
int size;
} drm_mga_warp_index_t;
typedef struct drm_mga_init {
enum {
MGA_INIT_DMA = 0x01,
MGA_CLEANUP_DMA = 0x02
} func;
int reserved_map_agpstart;
int reserved_map_idx;
int buffer_map_idx;
int sarea_priv_offset;
int primary_size;
int warp_ucode_size;
int frontOffset;
int backOffset;
int depthOffset;
int textureOffset;
int textureSize;
int agpTextureOffset;
int agpTextureSize;
int cpp;
int stride;
int sgram;
int chipset;
drm_mga_warp_index_t WarpIndex[MGA_MAX_WARP_PIPES];
int mAccess;
} drm_mga_init_t;
/* Warning: if you change the sarea structure, you must change the Xserver
* structures as well */
typedef struct _drm_mga_tex_region {
unsigned char next, prev;
unsigned char in_use;
int age;
} mgaTexRegion;
} drm_mga_tex_region_t;
typedef struct
{
typedef struct _drm_mga_sarea {
/* The channel for communication of state information to the kernel
* on firing a vertex dma buffer.
*/
@ -201,7 +194,7 @@ typedef struct
unsigned int dirty;
unsigned int nbox;
xf86drmClipRectRec boxes[MGA_NR_SAREA_CLIPRECTS];
drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS];
/* Information about the most recently used 3d drawable. The
@ -222,7 +215,7 @@ typedef struct
unsigned int exported_nback;
int exported_back_x, exported_front_x, exported_w;
int exported_back_y, exported_front_y, exported_h;
xf86drmClipRectRec exported_boxes[MGA_NR_SAREA_CLIPRECTS];
drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS];
/* Counters for aging textures and for client-side throttling.
*/
@ -233,47 +226,36 @@ typedef struct
/* LRU lists for texture memory in agp space and on the card
*/
mgaTexRegion texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1];
unsigned int texAge[MGA_NR_TEX_HEAPS];
drm_mga_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1];
unsigned int texAge[MGA_NR_TEX_HEAPS];
/* Mechanism to validate card state.
*/
int ctxOwner;
int ctxOwner;
} drm_mga_sarea_t;
/* Device specific ioctls:
*/
typedef struct {
typedef struct _drm_mga_clear {
int clear_color;
int clear_depth;
int flags;
} drm_mga_clear_t;
typedef struct {
typedef struct _drm_mga_swap {
int dummy;
} drm_mga_swap_t;
typedef struct {
typedef struct _drm_mga_iload {
int idx;
int length;
unsigned int destOrg;
} drm_mga_iload_t;
typedef struct {
typedef struct _drm_mga_vertex {
int idx; /* buffer to queue */
int used; /* bytes in use */
int discard; /* client finished with buffer? */
} drm_mga_vertex_t;
#define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t)
#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t)
#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t)
#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t)
#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t)
#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t )
#endif

3
linux/mga_drv.h
View file

@ -31,7 +31,6 @@
#ifndef _MGA_DRV_H_
#define _MGA_DRV_H_
#include "mga_drm_public.h"
typedef struct {
unsigned int num_dwords;
@ -70,7 +69,7 @@ typedef struct _drm_mga_private {
int stride;
int sgram;
int use_agp;
mgaWarpIndex WarpIndex[MGA_MAX_G400_PIPES];
drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES];
unsigned int WarpPipe;
__volatile__ unsigned long softrap_age;
u32 dispatch_lock;

31
linux/mga_state.c
View file

@ -36,7 +36,7 @@
#include "drm.h"
static void mgaEmitClipRect( drm_mga_private_t *dev_priv,
xf86drmClipRectRec *box )
drm_clip_rect_t *box )
{
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
unsigned int *regs = sarea_priv->ContextState;
@ -546,7 +546,7 @@ static void mga_dma_dispatch_clear( drm_device_t *dev, int flags,
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
unsigned int *regs = sarea_priv->ContextState;
int nbox = sarea_priv->nbox;
xf86drmClipRectRec *pbox = sarea_priv->boxes;
drm_clip_rect_t *pbox = sarea_priv->boxes;
unsigned int cmd;
int i;
int primary_needed;
@ -629,7 +629,7 @@ static void mga_dma_dispatch_swap( drm_device_t *dev )
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
unsigned int *regs = sarea_priv->ContextState;
int nbox = sarea_priv->nbox;
xf86drmClipRectRec *pbox = sarea_priv->boxes;
drm_clip_rect_t *pbox = sarea_priv->boxes;
int i;
int primary_needed;
PRIMLOCALS;
@ -687,11 +687,15 @@ int mga_clear_bufs(struct inode *inode, struct file *filp,
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
__volatile__ unsigned int *status =
(__volatile__ unsigned int *)dev_priv->status_page;
drm_mga_clear_t clear;
copy_from_user_ret(&clear, (drm_mga_clear_t *)arg, sizeof(clear),
-EFAULT);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("mga_clear_bufs called without lock held\n");
return -EINVAL;
}
if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
@ -718,6 +722,11 @@ int mga_swap_bufs(struct inode *inode, struct file *filp,
__volatile__ unsigned int *status =
(__volatile__ unsigned int *)dev_priv->status_page;
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("mga_swap_bufs called without lock held\n");
return -EINVAL;
}
if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
@ -752,6 +761,11 @@ int mga_iload(struct inode *inode, struct file *filp,
copy_from_user_ret(&iload, (drm_mga_iload_t *)arg, sizeof(iload),
-EFAULT);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("mga_iload called without lock held\n");
return -EINVAL;
}
buf = dma->buflist[ iload.idx ];
buf_priv = buf->dev_private;
bus_address = buf->bus_address;
@ -795,6 +809,10 @@ int mga_vertex(struct inode *inode, struct file *filp,
copy_from_user_ret(&vertex, (drm_mga_vertex_t *)arg, sizeof(vertex),
-EFAULT);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("mga_vertex called without lock held\n");
return -EINVAL;
}
DRM_DEBUG("mga_vertex\n");
@ -859,6 +877,11 @@ int mga_dma(struct inode *inode, struct file *filp, unsigned int cmd,
DRM_DEBUG("%d %d: %d send, %d req\n",
current->pid, d.context, d.send_count, d.request_count);
if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("mga_dma called without lock held\n");
return -EINVAL;
}
/* Please don't send us buffers.
*/
if (d.send_count != 0) {

29
shared-core/drm.h
View file

@ -61,6 +61,19 @@ typedef unsigned int drm_context_t;
typedef unsigned int drm_drawable_t;
typedef unsigned int drm_magic_t;
/* Warning: If you change this structure, make sure you change
* XF86DRIClipRectRec in the server as well */
typedef struct drm_clip_rect {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
} drm_clip_rect_t;
/* Seperate include files for the i810/mga specific structures */
#include "mga_drm.h"
#include "i810_drm.h"
typedef struct drm_version {
int version_major; /* Major version */
@ -321,5 +334,19 @@ typedef struct drm_agp_info {
#define DRM_IOCTL_AGP_BIND DRM_IOWR(0x36, drm_agp_binding_t)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t)
/* 0x40 is reserved for mga dma init */
/* Mga specific ioctls */
#define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t)
#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t)
#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t)
#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t)
#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t)
#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t )
/* I810 specific ioctls */
#define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t)
#define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t)
#define DRM_IOCTL_I810_DMA DRM_IOW( 0x42, drm_i810_general_t)
#define DRM_IOCTL_I810_FLUSH DRM_IO ( 0x43)
#define DRM_IOCTL_I810_GETAGE DRM_IO ( 0x44)
#endif

29
shared/drm.h
View file

@ -61,6 +61,19 @@ typedef unsigned int drm_context_t;
typedef unsigned int drm_drawable_t;
typedef unsigned int drm_magic_t;
/* Warning: If you change this structure, make sure you change
* XF86DRIClipRectRec in the server as well */
typedef struct drm_clip_rect {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
} drm_clip_rect_t;
/* Seperate include files for the i810/mga specific structures */
#include "mga_drm.h"
#include "i810_drm.h"
typedef struct drm_version {
int version_major; /* Major version */
@ -321,5 +334,19 @@ typedef struct drm_agp_info {
#define DRM_IOCTL_AGP_BIND DRM_IOWR(0x36, drm_agp_binding_t)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t)
/* 0x40 is reserved for mga dma init */
/* Mga specific ioctls */
#define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t)
#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t)
#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t)
#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t)
#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t)
#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t )
/* I810 specific ioctls */
#define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t)
#define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t)
#define DRM_IOCTL_I810_DMA DRM_IOW( 0x42, drm_i810_general_t)
#define DRM_IOCTL_I810_FLUSH DRM_IO ( 0x43)
#define DRM_IOCTL_I810_GETAGE DRM_IO ( 0x44)
#endif