60405de4d8688d96dd05157c28db3ade5c9bc234kz/*
60405de4d8688d96dd05157c28db3ade5c9bc234kz * drm_bufs.h -- Generic buffer template -*- linux-c -*-
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
0035d21c77a24d02faf34c10aabc120ca692efb5miao chen - Sun Microsystems - Beijing China * Copyright (c) 2009, Intel Corporation.
60405de4d8688d96dd05157c28db3ade5c9bc234kz * All Rights Reserved.
60405de4d8688d96dd05157c28db3ade5c9bc234kz *
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Permission is hereby granted, free of charge, to any person obtaining a
60405de4d8688d96dd05157c28db3ade5c9bc234kz * copy of this software and associated documentation files (the "Software"),
60405de4d8688d96dd05157c28db3ade5c9bc234kz * to deal in the Software without restriction, including without limitation
60405de4d8688d96dd05157c28db3ade5c9bc234kz * the rights to use, copy, modify, merge, publish, distribute, sublicense,
60405de4d8688d96dd05157c28db3ade5c9bc234kz * and/or sell copies of the Software, and to permit persons to whom the
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Software is furnished to do so, subject to the following conditions:
60405de4d8688d96dd05157c28db3ade5c9bc234kz *
60405de4d8688d96dd05157c28db3ade5c9bc234kz * The above copyright notice and this permission notice (including the next
60405de4d8688d96dd05157c28db3ade5c9bc234kz * paragraph) shall be included in all copies or substantial portions of the
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Software.
60405de4d8688d96dd05157c28db3ade5c9bc234kz *
60405de4d8688d96dd05157c28db3ade5c9bc234kz * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
60405de4d8688d96dd05157c28db3ade5c9bc234kz * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
60405de4d8688d96dd05157c28db3ade5c9bc234kz * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
60405de4d8688d96dd05157c28db3ade5c9bc234kz * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
60405de4d8688d96dd05157c28db3ade5c9bc234kz * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
60405de4d8688d96dd05157c28db3ade5c9bc234kz * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
60405de4d8688d96dd05157c28db3ade5c9bc234kz * OTHER DEALINGS IN THE SOFTWARE.
60405de4d8688d96dd05157c28db3ade5c9bc234kz *
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Authors:
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Rickard E. (Rik) Faith <faith@valinux.com>
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Gareth Hughes <gareth@valinux.com>
60405de4d8688d96dd05157c28db3ade5c9bc234kz *
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
60405de4d8688d96dd05157c28db3ade5c9bc234kz
e92e3a8694f157faf8a9e44096a70ada86c556bfzw/*
d02310705313ee2fcefee164a4b26d1fa85e9d22miao chen - Sun Microsystems - Beijing China * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
e92e3a8694f157faf8a9e44096a70ada86c556bfzw * Use is subject to license terms.
e92e3a8694f157faf8a9e44096a70ada86c556bfzw */
e92e3a8694f157faf8a9e44096a70ada86c556bfzw
60405de4d8688d96dd05157c28db3ade5c9bc234kz#include "drmP.h"
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#include <gfx_private.h>
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#include "drm_io32.h"
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz#define PAGE_MASK (PAGE_SIZE-1)
60405de4d8688d96dd05157c28db3ade5c9bc234kz#define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK)
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Compute order. Can be made faster.
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_order(unsigned long size)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
d0538f66491267879b7418b21ad78e3dcc2dcc83cg int order = 0;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg unsigned long tmp = size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg while (tmp >>= 1)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg order ++;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (size & ~(1 << order))
60405de4d8688d96dd05157c28db3ade5c9bc234kz ++order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (order);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cgstatic inline drm_local_map_t *
d0538f66491267879b7418b21ad78e3dcc2dcc83cgdrm_find_map(drm_device_t *dev, u_offset_t offset, int type)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg{
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_local_map_t *map;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg TAILQ_FOREACH(map, &dev->maplist, link) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if ((map->type == type) && ((map->offset == offset) ||
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (map->flags == _DRM_CONTAINS_LOCK) &&
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (map->type == _DRM_SHM)))
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (map);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (NULL);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg}
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
d0538f66491267879b7418b21ad78e3dcc2dcc83cgint drm_addmap(drm_device_t *dev, unsigned long offset,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg unsigned long size, drm_map_type_t type,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_map_flags_t flags, drm_local_map_t **map_ptr)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_local_map_t *map;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg caddr_t kva;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg int retval;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz /*
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * Only allow shared memory to be removable since we only keep
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * enough book keeping information about shared memory to allow
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * for removal when processes fork.
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
60405de4d8688d96dd05157c28db3ade5c9bc234kz if ((flags & _DRM_REMOVABLE) && type != _DRM_SHM)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if ((offset & PAGE_MASK) || (size & PAGE_MASK))
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (offset + size < offset)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz /*
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * Check if this is just another version of a kernel-allocated
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * map, and just hand that back if so.
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map = drm_find_map(dev, offset, type);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (map != NULL) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg goto done;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz /*
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * Allocate a new map structure, fill it in, and do any
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * type-specific initialization necessary.
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
60405de4d8688d96dd05157c28db3ade5c9bc234kz map = drm_alloc(sizeof (*map), DRM_MEM_MAPS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (!map)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->offset = offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz map->size = size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz map->type = type;
60405de4d8688d96dd05157c28db3ade5c9bc234kz map->flags = flags;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz switch (map->type) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_REGISTERS:
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_FRAME_BUFFER:
d0538f66491267879b7418b21ad78e3dcc2dcc83cg retval = drm_ioremap(dev, map);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (retval)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (retval);
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_SHM:
d0538f66491267879b7418b21ad78e3dcc2dcc83cg /*
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * ddi_umem_alloc() grants page-aligned memory. We needn't
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * handle alignment issue here.
d0538f66491267879b7418b21ad78e3dcc2dcc83cg */
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->handle = ddi_umem_alloc(map->size,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DDI_UMEM_NOSLEEP, &map->drm_umem_cookie);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (!map->handle) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_ERROR("drm_addmap: ddi_umem_alloc failed");
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(map, sizeof (*map), DRM_MEM_MAPS);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz /*
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * record only low 32-bit of this handle, since 32-bit
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * user app is incapable of passing in 64bit offset when
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * doing mmap.
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->offset = (uintptr_t)map->handle;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->offset &= 0xffffffffUL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (map->flags & _DRM_CONTAINS_LOCK) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Prevent a 2nd X Server from creating a 2nd lock */
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (dev->lock.hw_lock != NULL) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz ddi_umem_free(map->drm_umem_cookie);
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(map, sizeof (*map), DRM_MEM_MAPS);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EBUSY);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz dev->lock.hw_lock = map->handle; /* Pointer to lock */
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->dev_addr = map->handle;
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_SCATTER_GATHER:
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (!dev->sg) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(map, sizeof (*map), DRM_MEM_MAPS);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->offset += (uintptr_t)dev->sg->virtual;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->handle = (void *)(uintptr_t)map->offset;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->dev_addr = dev->sg->virtual;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->dev_handle = dev->sg->dmah_sg->acc_hdl;
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_CONSISTENT:
0035d21c77a24d02faf34c10aabc120ca692efb5miao chen - Sun Microsystems - Beijing China DRM_ERROR("%d DRM_AGP_CONSISTENT", __LINE__);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOTSUP);
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_AGP:
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->offset += dev->agp->base;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg kva = gfxp_map_kernel_space(map->offset, map->size,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg GFXP_MEMORY_WRITECOMBINED);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (kva == 0) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_free(map, sizeof (*map), DRM_MEM_MAPS);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg cmn_err(CE_WARN,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg "drm_addmap: failed to map AGP aperture");
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->handle = (void *)(uintptr_t)kva;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg map->dev_addr = kva;
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz default:
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(map, sizeof (*map), DRM_MEM_MAPS);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz TAILQ_INSERT_TAIL(&dev->maplist, map, link);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kzdone:
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Jumped to, with lock held, when a kernel map is found. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz *map_ptr = map;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_addmap_ioctl(DRM_IOCTL_ARGS)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_map_t request;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_local_map_t *map;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int err;
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEVICE;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_map_32_t request32;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request32,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request32));
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.offset = request32.offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.size = request32.size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.type = request32.type;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.flags = request32.flags;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.mtrr = request32.mtrr;
60405de4d8688d96dd05157c28db3ade5c9bc234kz } else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request));
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz err = drm_addmap(dev, request.offset, request.size, request.type,
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.flags, &map);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (err != 0)
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (err);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.offset = map->offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.size = map->size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.type = map->type;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.flags = map->flags;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.mtrr = map->mtrr;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.handle = (uintptr_t)map->handle;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_map_32_t request32;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.offset = request.offset;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request32.size = (uint32_t)request.size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.type = request.type;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.flags = request.flags;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.handle = request.handle;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.mtrr = request.mtrr;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYTO_WITH_RETURN((void *)data,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &request32, sizeof (request32));
60405de4d8688d96dd05157c28db3ade5c9bc234kz } else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYTO_WITH_RETURN((void *)data,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &request, sizeof (request));
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kzvoid
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_rmmap(drm_device_t *dev, drm_local_map_t *map)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINLOCK_ASSERT(&dev->dev_lock);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz TAILQ_REMOVE(&dev->maplist, map, link);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz switch (map->type) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_REGISTERS:
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_ioremapfree(map);
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* FALLTHROUGH */
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_FRAME_BUFFER:
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_ioremapfree(map);
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_SHM:
60405de4d8688d96dd05157c28db3ade5c9bc234kz ddi_umem_free(map->drm_umem_cookie);
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_AGP:
d0538f66491267879b7418b21ad78e3dcc2dcc83cg /*
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * we mapped AGP aperture into kernel space in drm_addmap,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * here, unmap them and release kernel virtual address space
d0538f66491267879b7418b21ad78e3dcc2dcc83cg */
d0538f66491267879b7418b21ad78e3dcc2dcc83cg gfxp_unmap_kernel_space(map->dev_addr, map->size);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg break;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_SCATTER_GATHER:
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz case _DRM_CONSISTENT:
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz default:
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(map, sizeof (*map), DRM_MEM_MAPS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * Remove a map private from list and deallocate resources if the
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * mapping isn't in use.
60405de4d8688d96dd05157c28db3ade5c9bc234kz */
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_rmmap_ioctl(DRM_IOCTL_ARGS)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEVICE;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_local_map_t *map;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_map_t request;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_map_32_t request32;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request32,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (drm_map_32_t));
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.offset = request32.offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.size = request32.size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.type = request32.type;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.flags = request32.flags;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.handle = request32.handle;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.mtrr = request32.mtrr;
60405de4d8688d96dd05157c28db3ade5c9bc234kz } else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request));
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_LOCK();
60405de4d8688d96dd05157c28db3ade5c9bc234kz TAILQ_FOREACH(map, &dev->maplist, link) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (((uintptr_t)map->handle == (request.handle & 0xffffffff)) &&
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (map->flags & _DRM_REMOVABLE))
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* No match found. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (map == NULL) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_UNLOCK();
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_rmmap(dev, map);
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_UNLOCK();
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzstatic void
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_cleanup_buf_error(drm_device_t *dev, drm_buf_entry_t *entry)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz int i;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (entry->seg_count) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < entry->seg_count; i++) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (entry->seglist[i]) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_ERROR(
60405de4d8688d96dd05157c28db3ade5c9bc234kz "drm_cleanup_buf_error: not implemented");
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(entry->seglist,
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->seg_count *
60405de4d8688d96dd05157c28db3ade5c9bc234kz sizeof (*entry->seglist), DRM_MEM_SEGS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->seg_count = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (entry->buf_count) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < entry->buf_count; i++) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (entry->buflist[i].dev_private) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(entry->buflist[i].dev_private,
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buflist[i].dev_priv_size,
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_MEM_BUFS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(entry->buflist,
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_count *
60405de4d8688d96dd05157c28db3ade5c9bc234kz sizeof (*entry->buflist), DRM_MEM_BUFS);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg entry->buflist = NULL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_count = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_markbufs(DRM_IOCTL_ARGS)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEBUG("drm_markbufs");
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_infobufs(DRM_IOCTL_ARGS)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEBUG("drm_infobufs");
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kzstatic int
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_do_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_device_dma_t *dma = dev->dma;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_entry_t *entry;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_buf_t **temp_buflist;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_t *buf;
60405de4d8688d96dd05157c28db3ade5c9bc234kz unsigned long offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz unsigned long agp_offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int alignment;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int page_order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int byte_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int i;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (!dma)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz count = request->count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz order = drm_order(request->size);
60405de4d8688d96dd05157c28db3ade5c9bc234kz size = 1 << order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz alignment = (request->flags & _DRM_PAGE_ALIGN)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg ? round_page(size) : size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz byte_count = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz agp_offset = dev->agp->base + request->agp_start;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry = &dma->bufs[order];
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg /* No more than one allocation per order */
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (entry->buf_count) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buflist = drm_alloc(count * sizeof (*entry->buflist),
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_MEM_BUFS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (!entry->buflist) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_size = size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->page_order = page_order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz offset = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz while (entry->buf_count < count) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf = &entry->buflist[entry->buf_count];
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->idx = dma->buf_count + entry->buf_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->total = alignment;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->order = order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->used = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->offset = (dma->byte_count + offset);
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->bus_address = agp_offset + offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->address = (void *)(agp_offset + offset);
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->next = NULL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->pending = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->filp = NULL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg buf->dev_priv_size = dev->driver->buf_priv_size;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg buf->dev_private = drm_alloc(buf->dev_priv_size, DRM_MEM_BUFS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (buf->dev_private == NULL) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Set count correctly so we free the proper amount. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_count = count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_cleanup_buf_error(dev, entry);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz offset += alignment;
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_count++;
60405de4d8688d96dd05157c28db3ade5c9bc234kz byte_count += PAGE_SIZE << page_order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz temp_buflist = drm_alloc(
60405de4d8688d96dd05157c28db3ade5c9bc234kz (dma->buf_count + entry->buf_count) * sizeof (*dma->buflist),
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_MEM_BUFS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (temp_buflist == NULL) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Free the entry because it isn't valid */
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_cleanup_buf_error(dev, entry);
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_ERROR(" temp_buflist is NULL");
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz bcopy(temp_buflist, dma->buflist,
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buf_count * sizeof (*dma->buflist));
60405de4d8688d96dd05157c28db3ade5c9bc234kz kmem_free(dma->buflist, dma->buf_count *sizeof (*dma->buflist));
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buflist = temp_buflist;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < entry->buf_count; i++) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buflist[i + dma->buf_count] = &entry->buflist[i];
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buf_count += entry->buf_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->byte_count += byte_count;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg dma->seg_count += entry->seg_count;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg dma->page_count += byte_count >> PAGE_SHIFT;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz request->count = entry->buf_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request->size = size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->flags = _DRM_DMA_USE_AGP;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kzstatic int
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_do_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_device_dma_t *dma = dev->dma;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_entry_t *entry;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_t *buf;
60405de4d8688d96dd05157c28db3ade5c9bc234kz unsigned long offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz unsigned long agp_offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int alignment;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int page_order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int byte_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int i;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_t **temp_buflist;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz count = request->count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz order = drm_order(request->size);
60405de4d8688d96dd05157c28db3ade5c9bc234kz size = 1 << order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz alignment = (request->flags & _DRM_PAGE_ALIGN)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg ? round_page(size) : size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz byte_count = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz agp_offset = request->agp_start;
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry = &dma->bufs[order];
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buflist = drm_alloc(count * sizeof (*entry->buflist),
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_MEM_BUFS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (entry->buflist == NULL)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_size = size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->page_order = page_order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz offset = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz while (entry->buf_count < count) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf = &entry->buflist[entry->buf_count];
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->idx = dma->buf_count + entry->buf_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->total = alignment;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->order = order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->used = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->offset = (dma->byte_count + offset);
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->bus_address = agp_offset + offset;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->address = (void *)(agp_offset + offset + dev->sg->handle);
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->next = NULL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->pending = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->filp = NULL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg buf->dev_priv_size = dev->driver->buf_priv_size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf->dev_private = drm_alloc(buf->dev_priv_size,
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_MEM_BUFS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (buf->dev_private == NULL) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Set count correctly so we free the proper amount. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_count = count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_cleanup_buf_error(dev, entry);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz offset += alignment;
60405de4d8688d96dd05157c28db3ade5c9bc234kz entry->buf_count++;
60405de4d8688d96dd05157c28db3ade5c9bc234kz byte_count += PAGE_SIZE << page_order;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz temp_buflist = drm_realloc(dma->buflist,
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buf_count * sizeof (*dma->buflist),
60405de4d8688d96dd05157c28db3ade5c9bc234kz (dma->buf_count + entry->buf_count)
60405de4d8688d96dd05157c28db3ade5c9bc234kz * sizeof (*dma->buflist), DRM_MEM_BUFS);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (!temp_buflist) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_cleanup_buf_error(dev, entry);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buflist = temp_buflist;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < entry->buf_count; i++) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buflist[i + dma->buf_count] = &entry->buflist[i];
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->buf_count += entry->buf_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->byte_count += byte_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request->count = entry->buf_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request->size = size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz dma->flags = _DRM_DMA_USE_SG;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz int order, ret;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINLOCK(&dev->dma_lock);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (request->count < 0 || request->count > 4096) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz order = drm_order(request->size);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* No more allocations after first buffer-using ioctl. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (dev->buf_use != 0) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EBUSY);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* No more than one allocation per order */
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (dev->dma->bufs[order].buf_count != 0) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz ret = drm_do_addbufs_agp(dev, request);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (ret);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz int order, ret;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINLOCK(&dev->dma_lock);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (request->count < 0 || request->count > 4096) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz order = drm_order(request->size);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* No more allocations after first buffer-using ioctl. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (dev->buf_use != 0) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EBUSY);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* No more than one allocation per order */
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (dev->dma->bufs[order].buf_count != 0) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (ENOMEM);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz ret = drm_do_addbufs_sg(dev, request);
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_SPINUNLOCK(&dev->dma_lock);
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (ret);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_addbufs_ioctl(DRM_IOCTL_ARGS)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEVICE;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_desc_t request;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int err;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_buf_desc_32_t request32;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request32,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request32));
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.count = request32.count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.size = request32.size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.low_mark = request32.low_mark;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.high_mark = request32.high_mark;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.flags = request32.flags;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.agp_start = request32.agp_start;
60405de4d8688d96dd05157c28db3ade5c9bc234kz } else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request));
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (request.flags & _DRM_AGP_BUFFER)
60405de4d8688d96dd05157c28db3ade5c9bc234kz err = drm_addbufs_agp(dev, &request);
60405de4d8688d96dd05157c28db3ade5c9bc234kz else if (request.flags & _DRM_SG_BUFFER)
60405de4d8688d96dd05157c28db3ade5c9bc234kz err = drm_addbufs_sg(dev, &request);
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_buf_desc_32_t request32;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.count = request.count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.size = request.size;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.low_mark = request.low_mark;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.high_mark = request.high_mark;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.flags = request.flags;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request32.agp_start = (uint32_t)request.agp_start;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYTO_WITH_RETURN((void *)data,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &request32, sizeof (request32));
60405de4d8688d96dd05157c28db3ade5c9bc234kz } else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYTO_WITH_RETURN((void *)data,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &request, sizeof (request));
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (err);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_freebufs(DRM_IOCTL_ARGS)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEVICE;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_device_dma_t *dma = dev->dma;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_free_t request;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int i;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int idx;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_t *buf;
60405de4d8688d96dd05157c28db3ade5c9bc234kz int retcode = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_buf_free_32_t request32;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request32,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void*)data, sizeof (request32));
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.count = request32.count;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.list = (int *)(uintptr_t)request32.list;
60405de4d8688d96dd05157c28db3ade5c9bc234kz } else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request));
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < request.count; i++) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (DRM_COPY_FROM_USER(&idx, &request.list[i], sizeof (idx))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg retcode = EFAULT;
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (idx < 0 || idx >= dma->buf_count) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_ERROR("drm_freebufs: Index %d (of %d max)\n",
60405de4d8688d96dd05157c28db3ade5c9bc234kz idx, dma->buf_count - 1);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg retcode = EINVAL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz buf = dma->buflist[idx];
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (buf->filp != fpriv) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_ERROR(
60405de4d8688d96dd05157c28db3ade5c9bc234kz "drm_freebufs: process %d not owning the buffer.\n",
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_CURRENTPID);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg retcode = EINVAL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz break;
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free_buffer(dev, buf);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (retcode);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _LP64
d0538f66491267879b7418b21ad78e3dcc2dcc83cgextern caddr_t smmap64(caddr_t, size_t, int, int, int, off_t);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#define drm_smmap smmap64
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#if defined(_SYSCALL32_IMPL) || defined(_ILP32)
d0538f66491267879b7418b21ad78e3dcc2dcc83cgextern caddr_t smmap32(caddr32_t, size32_t, int, int, int, off32_t);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#define drm_smmap smmap32
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#error "No define for _LP64, _SYSCALL32_IMPL or _ILP32"
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
60405de4d8688d96dd05157c28db3ade5c9bc234kzint
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_mapbufs(DRM_IOCTL_ARGS)
60405de4d8688d96dd05157c28db3ade5c9bc234kz{
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEVICE;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_buf_map_t request;
60405de4d8688d96dd05157c28db3ade5c9bc234kz const int zero = 0;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg unsigned long vaddr;
60405de4d8688d96dd05157c28db3ade5c9bc234kz unsigned long address;
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_device_dma_t *dma = dev->dma;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg uint_t size;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg uint_t foff;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg int ret_tmp;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg int i;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_buf_map_32_t request32;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_buf_pub_32_t *list32;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg uint_t address32;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request32,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request32));
60405de4d8688d96dd05157c28db3ade5c9bc234kz request.count = request32.count;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.virtual = (void *)(uintptr_t)request32.virtual;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.list = (drm_buf_pub_t *)(uintptr_t)request32.list;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.fd = request32.fd;
60405de4d8688d96dd05157c28db3ade5c9bc234kz } else
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYFROM_WITH_RETURN(&request,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (void *)data, sizeof (request));
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz dev->buf_use++;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (request.count < dma->buf_count)
60405de4d8688d96dd05157c28db3ade5c9bc234kz goto done;
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if ((dev->driver->use_agp && (dma->flags & _DRM_DMA_USE_AGP)) ||
d0538f66491267879b7418b21ad78e3dcc2dcc83cg (dev->driver->use_sg && (dma->flags & _DRM_DMA_USE_SG))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg drm_local_map_t *map = dev->agp_buffer_map;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (map == NULL)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg size = round_page(map->size);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg foff = (uintptr_t)map->handle;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg } else {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg size = round_page(dma->byte_count);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg foff = 0;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.virtual = drm_smmap(NULL, size, PROT_READ | PROT_WRITE,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg MAP_SHARED, request.fd, foff);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (request.virtual == NULL) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_ERROR("drm_mapbufs: request.virtual is NULL");
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EINVAL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg
60405de4d8688d96dd05157c28db3ade5c9bc234kz vaddr = (unsigned long) request.virtual;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg list32 = (drm_buf_pub_32_t *)(uintptr_t)request32.list;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg for (i = 0; i < dma->buf_count; i++) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (DRM_COPY_TO_USER(&list32[i].idx,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &dma->buflist[i]->idx, sizeof (list32[0].idx))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (DRM_COPY_TO_USER(&list32[i].total,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &dma->buflist[i]->total,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg sizeof (list32[0].total))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (DRM_COPY_TO_USER(&list32[i].used,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &zero, sizeof (zero))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg address32 = vaddr + dma->buflist[i]->offset; /* *** */
d0538f66491267879b7418b21ad78e3dcc2dcc83cg ret_tmp = DRM_COPY_TO_USER(&list32[i].address,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &address32, sizeof (list32[0].address));
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (ret_tmp)
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg goto done;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg ASSERT(ddi_model_convert_from(mode & FMODELS) != DDI_MODEL_ILP32);
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < dma->buf_count; i++) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (DRM_COPY_TO_USER(&request.list[i].idx,
60405de4d8688d96dd05157c28db3ade5c9bc234kz &dma->buflist[i]->idx, sizeof (request.list[0].idx))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (DRM_COPY_TO_USER(&request.list[i].total,
60405de4d8688d96dd05157c28db3ade5c9bc234kz &dma->buflist[i]->total, sizeof (request.list[0].total))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (DRM_COPY_TO_USER(&request.list[i].used, &zero,
60405de4d8688d96dd05157c28db3ade5c9bc234kz sizeof (zero))) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz address = vaddr + dma->buflist[i]->offset; /* *** */
60405de4d8688d96dd05157c28db3ade5c9bc234kz
d0538f66491267879b7418b21ad78e3dcc2dcc83cg ret_tmp = DRM_COPY_TO_USER(&request.list[i].address,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &address, sizeof (address));
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ret_tmp) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (EFAULT);
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz }
60405de4d8688d96dd05157c28db3ade5c9bc234kz
60405de4d8688d96dd05157c28db3ade5c9bc234kzdone:
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request32.count = dma->buf_count;
60405de4d8688d96dd05157c28db3ade5c9bc234kz request32.virtual = (caddr32_t)(uintptr_t)request.virtual;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYTO_WITH_RETURN((void *)data,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &request32, sizeof (request32));
d0538f66491267879b7418b21ad78e3dcc2dcc83cg } else {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg request.count = dma->buf_count;
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_COPYTO_WITH_RETURN((void *)data,
d0538f66491267879b7418b21ad78e3dcc2dcc83cg &request, sizeof (request));
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#ifdef _MULTI_DATAMODEL
d0538f66491267879b7418b21ad78e3dcc2dcc83cg }
d0538f66491267879b7418b21ad78e3dcc2dcc83cg#endif
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz}