[deliverable/linux.git] / drivers / gpu / drm / vmwgfx / vmwgfx_buffer.c

/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS 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.
 *
 **************************************************************************/

#include "vmwgfx_drv.h"
#include "ttm/ttm_bo_driver.h"
#include "ttm/ttm_placement.h"

static uint32_t vram_placement_flags = TTM_PL_FLAG_VRAM |
	TTM_PL_FLAG_CACHED;

static uint32_t vram_ne_placement_flags = TTM_PL_FLAG_VRAM |
	TTM_PL_FLAG_CACHED |
	TTM_PL_FLAG_NO_EVICT;

static uint32_t sys_placement_flags = TTM_PL_FLAG_SYSTEM |
	TTM_PL_FLAG_CACHED;

static uint32_t gmr_placement_flags = VMW_PL_FLAG_GMR |
	TTM_PL_FLAG_CACHED;

struct ttm_placement vmw_vram_placement = {
	.fpfn = 0,
	.lpfn = 0,
	.num_placement = 1,
	.placement = &vram_placement_flags,
	.num_busy_placement = 1,
	.busy_placement = &vram_placement_flags
};

static uint32_t vram_gmr_placement_flags[] = {
	TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED,
	VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
};

struct ttm_placement vmw_vram_gmr_placement = {
	.fpfn = 0,
	.lpfn = 0,
	.num_placement = 2,
	.placement = vram_gmr_placement_flags,
	.num_busy_placement = 1,
	.busy_placement = &gmr_placement_flags
};

struct ttm_placement vmw_vram_sys_placement = {
	.fpfn = 0,
	.lpfn = 0,
	.num_placement = 1,
	.placement = &vram_placement_flags,
	.num_busy_placement = 1,
	.busy_placement = &sys_placement_flags
};

struct ttm_placement vmw_vram_ne_placement = {
	.fpfn = 0,
	.lpfn = 0,
	.num_placement = 1,
	.placement = &vram_ne_placement_flags,
	.num_busy_placement = 1,
	.busy_placement = &vram_ne_placement_flags
};

struct ttm_placement vmw_sys_placement = {
	.fpfn = 0,
	.lpfn = 0,
	.num_placement = 1,
	.placement = &sys_placement_flags,
	.num_busy_placement = 1,
	.busy_placement = &sys_placement_flags
};

struct vmw_ttm_backend {
	struct ttm_backend backend;
	struct page **pages;
	unsigned long num_pages;
	struct vmw_private *dev_priv;
	int gmr_id;
};

static int vmw_ttm_populate(struct ttm_backend *backend,
			    unsigned long num_pages, struct page **pages,
			    struct page *dummy_read_page,
			    dma_addr_t *dma_addrs)
{
	struct vmw_ttm_backend *vmw_be =
	    container_of(backend, struct vmw_ttm_backend, backend);

	vmw_be->pages = pages;
	vmw_be->num_pages = num_pages;

	return 0;
}

static int vmw_ttm_bind(struct ttm_backend *backend, struct ttm_mem_reg *bo_mem)
{
	struct vmw_ttm_backend *vmw_be =
	    container_of(backend, struct vmw_ttm_backend, backend);

	vmw_be->gmr_id = bo_mem->start;

	return vmw_gmr_bind(vmw_be->dev_priv, vmw_be->pages,
			    vmw_be->num_pages, vmw_be->gmr_id);
}

static int vmw_ttm_unbind(struct ttm_backend *backend)
{
	struct vmw_ttm_backend *vmw_be =
	    container_of(backend, struct vmw_ttm_backend, backend);

	vmw_gmr_unbind(vmw_be->dev_priv, vmw_be->gmr_id);
	return 0;
}

static void vmw_ttm_clear(struct ttm_backend *backend)
{
	struct vmw_ttm_backend *vmw_be =
		container_of(backend, struct vmw_ttm_backend, backend);

	vmw_be->pages = NULL;
	vmw_be->num_pages = 0;
}

static void vmw_ttm_destroy(struct ttm_backend *backend)
{
	struct vmw_ttm_backend *vmw_be =
	    container_of(backend, struct vmw_ttm_backend, backend);

	kfree(vmw_be);
}

static struct ttm_backend_func vmw_ttm_func = {
	.populate = vmw_ttm_populate,
	.clear = vmw_ttm_clear,
	.bind = vmw_ttm_bind,
	.unbind = vmw_ttm_unbind,
	.destroy = vmw_ttm_destroy,
};

struct ttm_backend *vmw_ttm_backend_init(struct ttm_bo_device *bdev)
{
	struct vmw_ttm_backend *vmw_be;

	vmw_be = kmalloc(sizeof(*vmw_be), GFP_KERNEL);
	if (!vmw_be)
		return NULL;

	vmw_be->backend.func = &vmw_ttm_func;
	vmw_be->dev_priv = container_of(bdev, struct vmw_private, bdev);

	return &vmw_be->backend;
}

int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
{
	return 0;
}

int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
		      struct ttm_mem_type_manager *man)
{
	switch (type) {
	case TTM_PL_SYSTEM:
		/* System memory */

		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
		man->available_caching = TTM_PL_FLAG_CACHED;
		man->default_caching = TTM_PL_FLAG_CACHED;
		break;
	case TTM_PL_VRAM:
		/* "On-card" video ram */
		man->func = &ttm_bo_manager_func;
		man->gpu_offset = 0;
		man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
		man->available_caching = TTM_PL_FLAG_CACHED;
		man->default_caching = TTM_PL_FLAG_CACHED;
		break;
	case VMW_PL_GMR:
		/*
		 * "Guest Memory Regions" is an aperture like feature with
		 *  one slot per bo. There is an upper limit of the number of
		 *  slots as well as the bo size.
		 */
		man->func = &vmw_gmrid_manager_func;
		man->gpu_offset = 0;
		man->flags = TTM_MEMTYPE_FLAG_CMA | TTM_MEMTYPE_FLAG_MAPPABLE;
		man->available_caching = TTM_PL_FLAG_CACHED;
		man->default_caching = TTM_PL_FLAG_CACHED;
		break;
	default:
		DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
		return -EINVAL;
	}
	return 0;
}

void vmw_evict_flags(struct ttm_buffer_object *bo,
		     struct ttm_placement *placement)
{
	*placement = vmw_sys_placement;
}

/**
 * FIXME: Proper access checks on buffers.
 */

static int vmw_verify_access(struct ttm_buffer_object *bo, struct file *filp)
{
	return 0;
}

static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
	struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);

	mem->bus.addr = NULL;
	mem->bus.is_iomem = false;
	mem->bus.offset = 0;
	mem->bus.size = mem->num_pages << PAGE_SHIFT;
	mem->bus.base = 0;
	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
		return -EINVAL;
	switch (mem->mem_type) {
	case TTM_PL_SYSTEM:
	case VMW_PL_GMR:
		return 0;
	case TTM_PL_VRAM:
		mem->bus.offset = mem->start << PAGE_SHIFT;
		mem->bus.base = dev_priv->vram_start;
		mem->bus.is_iomem = true;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static void vmw_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
}

static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
{
	return 0;
}

/**
 * FIXME: We're using the old vmware polling method to sync.
 * Do this with fences instead.
 */

static void *vmw_sync_obj_ref(void *sync_obj)
{

	return (void *)
		vmw_fence_obj_reference((struct vmw_fence_obj *) sync_obj);
}

static void vmw_sync_obj_unref(void **sync_obj)
{
	vmw_fence_obj_unreference((struct vmw_fence_obj **) sync_obj);
}

static int vmw_sync_obj_flush(void *sync_obj, void *sync_arg)
{
	vmw_fence_obj_flush((struct vmw_fence_obj *) sync_obj);
	return 0;
}

static bool vmw_sync_obj_signaled(void *sync_obj, void *sync_arg)
{
	unsigned long flags = (unsigned long) sync_arg;
	return	vmw_fence_obj_signaled((struct vmw_fence_obj *) sync_obj,
				       (uint32_t) flags);

}

static int vmw_sync_obj_wait(void *sync_obj, void *sync_arg,
			     bool lazy, bool interruptible)
{
	unsigned long flags = (unsigned long) sync_arg;

	return vmw_fence_obj_wait((struct vmw_fence_obj *) sync_obj,
				  (uint32_t) flags,
				  lazy, interruptible,
				  VMW_FENCE_WAIT_TIMEOUT);
}

struct ttm_bo_driver vmw_bo_driver = {
	.create_ttm_backend_entry = vmw_ttm_backend_init,
	.invalidate_caches = vmw_invalidate_caches,
	.init_mem_type = vmw_init_mem_type,
	.evict_flags = vmw_evict_flags,
	.move = NULL,
	.verify_access = vmw_verify_access,
	.sync_obj_signaled = vmw_sync_obj_signaled,
	.sync_obj_wait = vmw_sync_obj_wait,
	.sync_obj_flush = vmw_sync_obj_flush,
	.sync_obj_unref = vmw_sync_obj_unref,
	.sync_obj_ref = vmw_sync_obj_ref,
	.move_notify = NULL,
	.swap_notify = NULL,
	.fault_reserve_notify = &vmw_ttm_fault_reserve_notify,
	.io_mem_reserve = &vmw_ttm_io_mem_reserve,
	.io_mem_free = &vmw_ttm_io_mem_free,
};
Commit	Line	Data
fb1d9738 JB	1	/**************************************************************************
	2	*
	3	* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
	4	* All Rights Reserved.
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a
	7	* copy of this software and associated documentation files (the
	8	* "Software"), to deal in the Software without restriction, including
	9	* without limitation the rights to use, copy, modify, merge, publish,
	10	* distribute, sub license, and/or sell copies of the Software, and to
	11	* permit persons to whom the Software is furnished to do so, subject to
	12	* the following conditions:
	13	*
	14	* The above copyright notice and this permission notice (including the
	15	* next paragraph) shall be included in all copies or substantial portions
	16	* of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
	22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	24	* USE OR OTHER DEALINGS IN THE SOFTWARE.
	25	*
	26	**************************************************************************/
	27
	28	#include "vmwgfx_drv.h"
	29	#include "ttm/ttm_bo_driver.h"
	30	#include "ttm/ttm_placement.h"
	31
	32	static uint32_t vram_placement_flags = TTM_PL_FLAG_VRAM \|
	33	TTM_PL_FLAG_CACHED;
	34
	35	static uint32_t vram_ne_placement_flags = TTM_PL_FLAG_VRAM \|
	36	TTM_PL_FLAG_CACHED \|
	37	TTM_PL_FLAG_NO_EVICT;
	38
	39	static uint32_t sys_placement_flags = TTM_PL_FLAG_SYSTEM \|
	40	TTM_PL_FLAG_CACHED;
	41
135cba0d TH	42	static uint32_t gmr_placement_flags = VMW_PL_FLAG_GMR \|
	43	TTM_PL_FLAG_CACHED;
	44
fb1d9738 JB	45	struct ttm_placement vmw_vram_placement = {
	46	.fpfn = 0,
	47	.lpfn = 0,
	48	.num_placement = 1,
	49	.placement = &vram_placement_flags,
	50	.num_busy_placement = 1,
	51	.busy_placement = &vram_placement_flags
	52	};
	53
135cba0d TH	54	static uint32_t vram_gmr_placement_flags[] = {
	55	TTM_PL_FLAG_VRAM \| TTM_PL_FLAG_CACHED,
	56	VMW_PL_FLAG_GMR \| TTM_PL_FLAG_CACHED
	57	};
	58
	59	struct ttm_placement vmw_vram_gmr_placement = {
	60	.fpfn = 0,
	61	.lpfn = 0,
	62	.num_placement = 2,
	63	.placement = vram_gmr_placement_flags,
	64	.num_busy_placement = 1,
	65	.busy_placement = &gmr_placement_flags
	66	};
	67
8ba5152a TH	68	struct ttm_placement vmw_vram_sys_placement = {
	69	.fpfn = 0,
	70	.lpfn = 0,
	71	.num_placement = 1,
	72	.placement = &vram_placement_flags,
	73	.num_busy_placement = 1,
	74	.busy_placement = &sys_placement_flags
	75	};
	76
fb1d9738 JB	77	struct ttm_placement vmw_vram_ne_placement = {
	78	.fpfn = 0,
	79	.lpfn = 0,
	80	.num_placement = 1,
	81	.placement = &vram_ne_placement_flags,
	82	.num_busy_placement = 1,
	83	.busy_placement = &vram_ne_placement_flags
	84	};
	85
	86	struct ttm_placement vmw_sys_placement = {
	87	.fpfn = 0,
	88	.lpfn = 0,
	89	.num_placement = 1,
	90	.placement = &sys_placement_flags,
	91	.num_busy_placement = 1,
	92	.busy_placement = &sys_placement_flags
	93	};
	94
	95	struct vmw_ttm_backend {
	96	struct ttm_backend backend;
135cba0d TH	97	struct page **pages;
	98	unsigned long num_pages;
	99	struct vmw_private *dev_priv;
	100	int gmr_id;
fb1d9738 JB	101	};
	102
	103	static int vmw_ttm_populate(struct ttm_backend *backend,
	104	unsigned long num_pages, struct page **pages,
27e8b237 KRW	105	struct page *dummy_read_page,
27e8b237 KRW	106	dma_addr_t *dma_addrs)
fb1d9738	107	{
135cba0d TH	108	struct vmw_ttm_backend *vmw_be =
	109	container_of(backend, struct vmw_ttm_backend, backend);
	110
	111	vmw_be->pages = pages;
	112	vmw_be->num_pages = num_pages;
	113
fb1d9738 JB	114	return 0;
	115	}
	116
	117	static int vmw_ttm_bind(struct ttm_backend backend, struct ttm_mem_reg bo_mem)
	118	{
135cba0d TH	119	struct vmw_ttm_backend *vmw_be =
	120	container_of(backend, struct vmw_ttm_backend, backend);
	121
	122	vmw_be->gmr_id = bo_mem->start;
	123
	124	return vmw_gmr_bind(vmw_be->dev_priv, vmw_be->pages,
	125	vmw_be->num_pages, vmw_be->gmr_id);
fb1d9738 JB	126	}
	127
	128	static int vmw_ttm_unbind(struct ttm_backend *backend)
	129	{
135cba0d TH	130	struct vmw_ttm_backend *vmw_be =
	131	container_of(backend, struct vmw_ttm_backend, backend);
	132
	133	vmw_gmr_unbind(vmw_be->dev_priv, vmw_be->gmr_id);
fb1d9738 JB	134	return 0;
	135	}
	136
	137	static void vmw_ttm_clear(struct ttm_backend *backend)
	138	{
135cba0d TH	139	struct vmw_ttm_backend *vmw_be =
	140	container_of(backend, struct vmw_ttm_backend, backend);
	141
	142	vmw_be->pages = NULL;
	143	vmw_be->num_pages = 0;
fb1d9738 JB	144	}
	145
	146	static void vmw_ttm_destroy(struct ttm_backend *backend)
	147	{
	148	struct vmw_ttm_backend *vmw_be =
	149	container_of(backend, struct vmw_ttm_backend, backend);
	150
	151	kfree(vmw_be);
	152	}
	153
	154	static struct ttm_backend_func vmw_ttm_func = {
	155	.populate = vmw_ttm_populate,
	156	.clear = vmw_ttm_clear,
	157	.bind = vmw_ttm_bind,
	158	.unbind = vmw_ttm_unbind,
	159	.destroy = vmw_ttm_destroy,
	160	};
	161
	162	struct ttm_backend vmw_ttm_backend_init(struct ttm_bo_device bdev)
	163	{
	164	struct vmw_ttm_backend *vmw_be;
	165
	166	vmw_be = kmalloc(sizeof(*vmw_be), GFP_KERNEL);
	167	if (!vmw_be)
	168	return NULL;
	169
	170	vmw_be->backend.func = &vmw_ttm_func;
135cba0d	171	vmw_be->dev_priv = container_of(bdev, struct vmw_private, bdev);
fb1d9738 JB	172
	173	return &vmw_be->backend;
	174	}
	175
	176	int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
	177	{
	178	return 0;
	179	}
	180
	181	int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
	182	struct ttm_mem_type_manager *man)
	183	{
fb1d9738 JB	184	switch (type) {
	185	case TTM_PL_SYSTEM:
	186	/* System memory */
	187
	188	man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
135cba0d	189	man->available_caching = TTM_PL_FLAG_CACHED;
fb1d9738 JB	190	man->default_caching = TTM_PL_FLAG_CACHED;
	191	break;
	192	case TTM_PL_VRAM:
	193	/* "On-card" video ram */
d961db75	194	man->func = &ttm_bo_manager_func;
fb1d9738	195	man->gpu_offset = 0;
96bf8b87	196	man->flags = TTM_MEMTYPE_FLAG_FIXED \| TTM_MEMTYPE_FLAG_MAPPABLE;
135cba0d TH	197	man->available_caching = TTM_PL_FLAG_CACHED;
	198	man->default_caching = TTM_PL_FLAG_CACHED;
	199	break;
	200	case VMW_PL_GMR:
	201	/*
	202	* "Guest Memory Regions" is an aperture like feature with
	203	* one slot per bo. There is an upper limit of the number of
	204	* slots as well as the bo size.
	205	*/
	206	man->func = &vmw_gmrid_manager_func;
	207	man->gpu_offset = 0;
	208	man->flags = TTM_MEMTYPE_FLAG_CMA \| TTM_MEMTYPE_FLAG_MAPPABLE;
	209	man->available_caching = TTM_PL_FLAG_CACHED;
	210	man->default_caching = TTM_PL_FLAG_CACHED;
fb1d9738 JB	211	break;
	212	default:
	213	DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
	214	return -EINVAL;
	215	}
	216	return 0;
	217	}
	218
	219	void vmw_evict_flags(struct ttm_buffer_object *bo,
	220	struct ttm_placement *placement)
	221	{
	222	*placement = vmw_sys_placement;
	223	}
	224
	225	/**
	226	* FIXME: Proper access checks on buffers.
	227	*/
	228
	229	static int vmw_verify_access(struct ttm_buffer_object bo, struct file filp)
	230	{
	231	return 0;
	232	}
	233
96bf8b87 JG	234	static int vmw_ttm_io_mem_reserve(struct ttm_bo_device bdev, struct ttm_mem_reg mem)
	235	{
	236	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
	237	struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
	238
	239	mem->bus.addr = NULL;
	240	mem->bus.is_iomem = false;
	241	mem->bus.offset = 0;
	242	mem->bus.size = mem->num_pages << PAGE_SHIFT;
	243	mem->bus.base = 0;
	244	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
	245	return -EINVAL;
	246	switch (mem->mem_type) {
	247	case TTM_PL_SYSTEM:
135cba0d	248	case VMW_PL_GMR:
96bf8b87 JG	249	return 0;
96bf8b87 JG	250	case TTM_PL_VRAM:
d961db75	251	mem->bus.offset = mem->start << PAGE_SHIFT;
96bf8b87 JG	252	mem->bus.base = dev_priv->vram_start;
	253	mem->bus.is_iomem = true;
	254	break;
	255	default:
	256	return -EINVAL;
	257	}
	258	return 0;
	259	}
	260
	261	static void vmw_ttm_io_mem_free(struct ttm_bo_device bdev, struct ttm_mem_reg mem)
	262	{
	263	}
	264
	265	static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
	266	{
	267	return 0;
	268	}
	269
fb1d9738 JB	270	/**
	271	* FIXME: We're using the old vmware polling method to sync.
	272	* Do this with fences instead.
	273	*/
	274
	275	static void vmw_sync_obj_ref(void sync_obj)
	276	{
ae2a1040 TH	277
	278	return (void *)
	279	vmw_fence_obj_reference((struct vmw_fence_obj *) sync_obj);
fb1d9738 JB	280	}
	281
	282	static void vmw_sync_obj_unref(void **sync_obj)
	283	{
ae2a1040	284	vmw_fence_obj_unreference((struct vmw_fence_obj **) sync_obj);
fb1d9738 JB	285	}
	286
	287	static int vmw_sync_obj_flush(void sync_obj, void sync_arg)
	288	{
ae2a1040	289	vmw_fence_obj_flush((struct vmw_fence_obj *) sync_obj);
fb1d9738 JB	290	return 0;
	291	}
	292
	293	static bool vmw_sync_obj_signaled(void sync_obj, void sync_arg)
	294	{
ae2a1040 TH	295	unsigned long flags = (unsigned long) sync_arg;
	296	return vmw_fence_obj_signaled((struct vmw_fence_obj *) sync_obj,
	297	(uint32_t) flags);
fb1d9738	298
fb1d9738 JB	299	}
	300
	301	static int vmw_sync_obj_wait(void sync_obj, void sync_arg,
	302	bool lazy, bool interruptible)
	303	{
ae2a1040	304	unsigned long flags = (unsigned long) sync_arg;
fb1d9738	305
ae2a1040 TH	306	return vmw_fence_obj_wait((struct vmw_fence_obj *) sync_obj,
	307	(uint32_t) flags,
	308	lazy, interruptible,
	309	VMW_FENCE_WAIT_TIMEOUT);
fb1d9738 JB	310	}
	311
	312	struct ttm_bo_driver vmw_bo_driver = {
	313	.create_ttm_backend_entry = vmw_ttm_backend_init,
	314	.invalidate_caches = vmw_invalidate_caches,
	315	.init_mem_type = vmw_init_mem_type,
	316	.evict_flags = vmw_evict_flags,
	317	.move = NULL,
	318	.verify_access = vmw_verify_access,
	319	.sync_obj_signaled = vmw_sync_obj_signaled,
	320	.sync_obj_wait = vmw_sync_obj_wait,
	321	.sync_obj_flush = vmw_sync_obj_flush,
	322	.sync_obj_unref = vmw_sync_obj_unref,
effe1105	323	.sync_obj_ref = vmw_sync_obj_ref,
135cba0d TH	324	.move_notify = NULL,
135cba0d TH	325	.swap_notify = NULL,
96bf8b87 JG	326	.fault_reserve_notify = &vmw_ttm_fault_reserve_notify,
	327	.io_mem_reserve = &vmw_ttm_io_mem_reserve,
	328	.io_mem_free = &vmw_ttm_io_mem_free,
fb1d9738	329	};