2 * Copyright (C) 2013 Red Hat
3 * Author: Rob Clark <robdclark@gmail.com>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published by
7 * the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program. If not, see <http://www.gnu.org/licenses/>.
21 #include <linux/reservation.h>
24 /* Additional internal-use only BO flags: */
25 #define MSM_BO_STOLEN 0x10000000 /* try to use stolen/splash memory */
27 struct msm_gem_object {
28 struct drm_gem_object base;
32 /* And object is either:
33 * inactive - on priv->inactive_list
34 * active - on one one of the gpu's active_list.. well, at
35 * least for now we don't have (I don't think) hw sync between
36 * 2d and 3d one devices which have both, meaning we need to
37 * block on submit if a bo is already on other ring
40 struct list_head mm_list;
41 struct msm_gpu *gpu; /* non-null if active */
43 /* Transiently in the process of submit ioctl, objects associated
44 * with the submit are on submit->bo_list.. this only lasts for
45 * the duration of the ioctl, so one bo can never be on multiple
48 struct list_head submit_entry;
57 } domain[NUM_DOMAINS];
59 /* normally (resv == &_resv) except for imported bo's */
60 struct reservation_object *resv;
61 struct reservation_object _resv;
63 /* For physically contiguous buffers. Used when we don't have
64 * an IOMMU. Also used for stolen/splashscreen buffer.
66 struct drm_mm_node *vram_node;
68 #define to_msm_bo(x) container_of(x, struct msm_gem_object, base)
70 static inline bool is_active(struct msm_gem_object *msm_obj)
72 return msm_obj->gpu != NULL;
77 /* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
78 * associated with the cmdstream submission for synchronization (and
79 * make it easier to unwind when things go wrong, etc). This only
80 * lasts for the duration of the submit-ioctl.
82 struct msm_gem_submit {
83 struct drm_device *dev;
85 struct list_head node; /* node in gpu submit_list */
86 struct list_head bo_list;
87 struct ww_acquire_ctx ticket;
89 struct pid *pid; /* submitting process */
90 bool valid; /* true if no cmdstream patching needed */
95 uint32_t size; /* in dwords */
97 uint32_t idx; /* cmdstream buffer idx in bos[] */
101 struct msm_gem_object *obj;
106 #endif /* __MSM_GEM_H__ */