diff options
Diffstat (limited to 'bsd/drm_bufs.h')
-rw-r--r-- | bsd/drm_bufs.h | 77 |
1 files changed, 41 insertions, 36 deletions
diff --git a/bsd/drm_bufs.h b/bsd/drm_bufs.h index 7d56d0a3..8e0534f2 100644 --- a/bsd/drm_bufs.h +++ b/bsd/drm_bufs.h @@ -27,6 +27,7 @@ * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Gareth Hughes <gareth@valinux.com> + * $FreeBSD: src/sys/dev/drm/drm_bufs.h,v 1.4 2003/03/09 02:08:28 anholt Exp $ */ #include "drmP.h" @@ -69,18 +70,26 @@ int DRM(order)( unsigned long size ) int DRM(addmap)( DRM_IOCTL_ARGS ) { DRM_DEVICE; - drm_map_t *map; + drm_map_t request; + drm_local_map_t *map; drm_map_list_entry_t *list; if (!(dev->flags & (FREAD|FWRITE))) return DRM_ERR(EACCES); /* Require read/write */ - map = (drm_map_t *) DRM(alloc)( sizeof(*map), DRM_MEM_MAPS ); + DRM_COPY_FROM_USER_IOCTL( request, (drm_map_t *)data, sizeof(drm_map_t) ); + + map = (drm_local_map_t *) DRM(alloc)( sizeof(*map), DRM_MEM_MAPS ); if ( !map ) return DRM_ERR(ENOMEM); - *map = *(drm_map_t *)data; - + map->offset = request.offset; + map->size = request.size; + map->type = request.type; + map->flags = request.flags; + map->mtrr = -1; + map->handle = 0; + /* Only allow shared memory to be removable since we only keep enough * book keeping information about shared memory to allow for removal * when processes fork. @@ -95,22 +104,14 @@ int DRM(addmap)( DRM_IOCTL_ARGS ) DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); return DRM_ERR(EINVAL); } - map->mtrr = -1; - map->handle = 0; switch ( map->type ) { case _DRM_REGISTERS: case _DRM_FRAME_BUFFER: -#if !defined(__sparc__) && !defined(__alpha__) - if ( map->offset + map->size < map->offset - ) { + if ( map->offset + map->size < map->offset ) { DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); return DRM_ERR(EINVAL); } -#endif -#ifdef __alpha__ - map->offset += dev->hose->mem_space->start; -#endif #if __REALLY_HAVE_MTRR if ( map->type == _DRM_FRAME_BUFFER || (map->flags & _DRM_WRITE_COMBINING) ) { @@ -130,14 +131,12 @@ int DRM(addmap)( DRM_IOCTL_ARGS ) mtrrmap.base = map->offset; mtrrmap.len = map->size; mtrrmap.type = MTRR_TYPE_WC; - mtrrmap.flags = MTRR_PRIVATE | MTRR_VALID; - mtrrmap.owner = p->p_pid; - /* USER? KERNEL? XXX */ - map->mtrr = mtrr_get( &mtrrmap, &one, p, MTRR_GETSET_KERNEL ); + mtrrmap.flags = MTRR_VALID; + map->mtrr = mtrr_set( &mtrrmap, &one, p, MTRR_GETSET_KERNEL ); #endif } #endif /* __REALLY_HAVE_MTRR */ - map->handle = DRM(ioremap)( map->offset, map->size ); + DRM_IOREMAP(map); break; case _DRM_SHM: @@ -155,9 +154,6 @@ int DRM(addmap)( DRM_IOCTL_ARGS ) break; #if __REALLY_HAVE_AGP case _DRM_AGP: -#ifdef __alpha__ - map->offset += dev->hose->mem_space->start; -#endif map->offset += dev->agp->base; map->mtrr = dev->agp->agp_mtrr; /* for getmap */ break; @@ -187,11 +183,19 @@ int DRM(addmap)( DRM_IOCTL_ARGS ) TAILQ_INSERT_TAIL(dev->maplist, list, link); DRM_UNLOCK; - *(drm_map_t *)data = *map; + request.offset = map->offset; + request.size = map->size; + request.type = map->type; + request.flags = map->flags; + request.mtrr = map->mtrr; + request.handle = map->handle; - if ( map->type != _DRM_SHM ) { - ((drm_map_t *)data)->handle = (void *)map->offset; + if ( request.type != _DRM_SHM ) { + request.handle = (void *)request.offset; } + + DRM_COPY_TO_USER_IOCTL( (drm_map_t *)data, request, sizeof(drm_map_t) ); + return 0; } @@ -204,7 +208,7 @@ int DRM(rmmap)( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_map_list_entry_t *list; - drm_map_t *map; + drm_local_map_t *map; drm_map_t request; int found_maps = 0; @@ -257,7 +261,7 @@ int DRM(rmmap)( DRM_IOCTL_ARGS ) #endif } #endif - DRM(ioremapfree)(map->handle, map->size); + DRM(ioremapfree)( map ); break; case _DRM_SHM: DRM(free)( map->handle, map->size, DRM_MEM_SAREA ); @@ -413,7 +417,7 @@ int DRM(addbufs_agp)( DRM_IOCTL_ARGS ) buf->waiting = 0; buf->pending = 0; buf->dma_wait = 0; - buf->pid = 0; + buf->filp = NULL; buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T); buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T), @@ -621,7 +625,7 @@ int DRM(addbufs_pci)( DRM_IOCTL_ARGS ) buf->waiting = 0; buf->pending = 0; buf->dma_wait = 0; - buf->pid = 0; + buf->filp = NULL; #if __HAVE_DMA_HISTOGRAM buf->time_queued = 0; buf->time_dispatched = 0; @@ -774,7 +778,7 @@ int DRM(addbufs_sg)( DRM_IOCTL_ARGS ) buf->waiting = 0; buf->pending = 0; buf->dma_wait = 0; - buf->pid = 0; + buf->filp = NULL; buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T); buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T), @@ -858,16 +862,16 @@ int DRM(addbufs)( DRM_IOCTL_ARGS ) #if __REALLY_HAVE_AGP if ( request.flags & _DRM_AGP_BUFFER ) - return DRM(addbufs_agp)( kdev, cmd, data, flags, p ); + return DRM(addbufs_agp)( kdev, cmd, data, flags, p, filp ); else #endif #if __REALLY_HAVE_SG if ( request.flags & _DRM_SG_BUFFER ) - return DRM(addbufs_sg)( kdev, cmd, data, flags, p ); + return DRM(addbufs_sg)( kdev, cmd, data, flags, p, filp ); else #endif #if __HAVE_PCI_DMA - return DRM(addbufs_pci)( kdev, cmd, data, flags, p ); + return DRM(addbufs_pci)( kdev, cmd, data, flags, p, filp ); #else return DRM_ERR(EINVAL); #endif @@ -991,9 +995,9 @@ int DRM(freebufs)( DRM_IOCTL_ARGS ) return DRM_ERR(EINVAL); } buf = dma->buflist[idx]; - if ( buf->pid != DRM_CURRENTPID ) { - DRM_ERROR( "Process %d freeing buffer owned by %d\n", - DRM_CURRENTPID, buf->pid ); + if ( buf->filp != filp ) { + DRM_ERROR("Process %d freeing buffer not owned\n", + DRM_CURRENTPID); return DRM_ERR(EINVAL); } DRM(free_buffer)( dev, buf ); @@ -1018,6 +1022,7 @@ int DRM(mapbufs)( DRM_IOCTL_ARGS ) #endif /* __FreeBSD__ */ #ifdef __NetBSD__ struct vnode *vn; + struct vmspace *vms = p->p_vmspace; #endif /* __NetBSD__ */ drm_buf_map_t request; @@ -1043,7 +1048,7 @@ int DRM(mapbufs)( DRM_IOCTL_ARGS ) if ( request.count >= dma->buf_count ) { if ( (__HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP)) || (__HAVE_SG && (dma->flags & _DRM_DMA_USE_SG)) ) { - drm_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev ); + drm_local_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev ); if ( !map ) { retcode = EINVAL; |