1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2013 Red Hat Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun * The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun * all copies or substantial portions of the Software.
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17*4882a593Smuzhiyun * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*4882a593Smuzhiyun * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*4882a593Smuzhiyun * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*4882a593Smuzhiyun * OTHER DEALINGS IN THE SOFTWARE.
21*4882a593Smuzhiyun *
22*4882a593Smuzhiyun * Authors: Dave Airlie
23*4882a593Smuzhiyun * Alon Levy
24*4882a593Smuzhiyun */
25*4882a593Smuzhiyun #ifndef QXL_OBJECT_H
26*4882a593Smuzhiyun #define QXL_OBJECT_H
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #include "qxl_drv.h"
29*4882a593Smuzhiyun
qxl_bo_reserve(struct qxl_bo * bo)30*4882a593Smuzhiyun static inline int qxl_bo_reserve(struct qxl_bo *bo)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun int r;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun r = ttm_bo_reserve(&bo->tbo, true, false, NULL);
35*4882a593Smuzhiyun if (unlikely(r != 0)) {
36*4882a593Smuzhiyun if (r != -ERESTARTSYS) {
37*4882a593Smuzhiyun struct drm_device *ddev = bo->tbo.base.dev;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun dev_err(ddev->dev, "%p reserve failed\n", bo);
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun return r;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun return 0;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
qxl_bo_unreserve(struct qxl_bo * bo)46*4882a593Smuzhiyun static inline void qxl_bo_unreserve(struct qxl_bo *bo)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun ttm_bo_unreserve(&bo->tbo);
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
qxl_bo_size(struct qxl_bo * bo)51*4882a593Smuzhiyun static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
52*4882a593Smuzhiyun {
53*4882a593Smuzhiyun return bo->tbo.num_pages << PAGE_SHIFT;
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
qxl_bo_mmap_offset(struct qxl_bo * bo)56*4882a593Smuzhiyun static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
qxl_bo_wait(struct qxl_bo * bo,u32 * mem_type,bool no_wait)61*4882a593Smuzhiyun static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
62*4882a593Smuzhiyun bool no_wait)
63*4882a593Smuzhiyun {
64*4882a593Smuzhiyun int r;
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
67*4882a593Smuzhiyun if (unlikely(r != 0)) {
68*4882a593Smuzhiyun if (r != -ERESTARTSYS) {
69*4882a593Smuzhiyun struct drm_device *ddev = bo->tbo.base.dev;
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun dev_err(ddev->dev, "%p reserve failed for wait\n",
72*4882a593Smuzhiyun bo);
73*4882a593Smuzhiyun }
74*4882a593Smuzhiyun return r;
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun if (mem_type)
77*4882a593Smuzhiyun *mem_type = bo->tbo.mem.mem_type;
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun r = ttm_bo_wait(&bo->tbo, true, no_wait);
80*4882a593Smuzhiyun ttm_bo_unreserve(&bo->tbo);
81*4882a593Smuzhiyun return r;
82*4882a593Smuzhiyun }
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun extern int qxl_bo_create(struct qxl_device *qdev,
85*4882a593Smuzhiyun unsigned long size,
86*4882a593Smuzhiyun bool kernel, bool pinned, u32 domain,
87*4882a593Smuzhiyun u32 priority,
88*4882a593Smuzhiyun struct qxl_surface *surf,
89*4882a593Smuzhiyun struct qxl_bo **bo_ptr);
90*4882a593Smuzhiyun extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
91*4882a593Smuzhiyun extern void qxl_bo_kunmap(struct qxl_bo *bo);
92*4882a593Smuzhiyun void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
93*4882a593Smuzhiyun void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
94*4882a593Smuzhiyun extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
95*4882a593Smuzhiyun extern void qxl_bo_unref(struct qxl_bo **bo);
96*4882a593Smuzhiyun extern int qxl_bo_pin(struct qxl_bo *bo);
97*4882a593Smuzhiyun extern int qxl_bo_unpin(struct qxl_bo *bo);
98*4882a593Smuzhiyun extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
99*4882a593Smuzhiyun extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun #endif
102