diff options
Diffstat (limited to 'bsd-core/drm_bufs.c')
| -rw-r--r-- | bsd-core/drm_bufs.c | 58 |
1 files changed, 31 insertions, 27 deletions
diff --git a/bsd-core/drm_bufs.c b/bsd-core/drm_bufs.c index 7d56d0a3..89390b56 100644 --- a/bsd-core/drm_bufs.c +++ b/bsd-core/drm_bufs.c @@ -69,18 +69,26 @@ 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 +103,14 @@ 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 +130,12 @@ 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 +153,6 @@ 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 +182,19 @@ 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 +207,7 @@ 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 +260,7 @@ 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 ); @@ -1018,6 +1021,7 @@ 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 +1047,7 @@ 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; |