projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c8afe684 RC |
1 | /* |
| 2 | * Copyright (C) 2013 Red Hat | |
| 3 | * Author: Rob Clark <robdclark@gmail.com> | |
| 4 | * | |
| 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. | |
| 8 | * | |
| 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 | |
| 12 | * more details. | |
| 13 | * | |
| 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/>. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef __MSM_GEM_H__ | |
| 19 | #define __MSM_GEM_H__ | |
| 20 | ||
| 7198e6b0 | 21 | #include <linux/reservation.h> |
| c8afe684 RC |
22 | #include "msm_drv.h" |
| 23 | ||
| 24 | struct msm_gem_object { | |
| 25 | struct drm_gem_object base; | |
| 26 | ||
| 27 | uint32_t flags; | |
| 28 | ||
| 7198e6b0 RC |
29 | /* And object is either: |
| 30 | * inactive - on priv->inactive_list | |
| 31 | * active - on one one of the gpu's active_list.. well, at | |
| 32 | * least for now we don't have (I don't think) hw sync between | |
| 33 | * 2d and 3d one devices which have both, meaning we need to | |
| 34 | * block on submit if a bo is already on other ring | |
| 35 | * | |
| 36 | */ | |
| c8afe684 | 37 | struct list_head mm_list; |
| 7198e6b0 RC |
38 | struct msm_gpu *gpu; /* non-null if active */ |
| 39 | uint32_t fence; | |
| 40 | ||
| 41 | /* Transiently in the process of submit ioctl, objects associated | |
| 42 | * with the submit are on submit->bo_list.. this only lasts for | |
| 43 | * the duration of the ioctl, so one bo can never be on multiple | |
| 44 | * submit lists. | |
| 45 | */ | |
| 46 | struct list_head submit_entry; | |
| 47 | ||
| 48 | /* work defered until bo is inactive: */ | |
| 49 | struct list_head inactive_work; | |
| c8afe684 RC |
50 | |
| 51 | struct page **pages; | |
| 52 | struct sg_table *sgt; | |
| 53 | void *vaddr; | |
| 54 | ||
| 55 | struct { | |
| 56 | // XXX | |
| 57 | uint32_t iova; | |
| 58 | } domain[NUM_DOMAINS]; | |
| 7198e6b0 RC |
59 | |
| 60 | /* normally (resv == &_resv) except for imported bo's */ | |
| 61 | struct reservation_object *resv; | |
| 62 | struct reservation_object _resv; | |
| c8afe684 RC |
63 | }; |
| 64 | #define to_msm_bo(x) container_of(x, struct msm_gem_object, base) | |
| 65 | ||
| 7198e6b0 RC |
66 | static inline bool is_active(struct msm_gem_object *msm_obj) |
| 67 | { | |
| 68 | return msm_obj->gpu != NULL; | |
| 69 | } | |
| 70 | ||
| 71 | #define MAX_CMDS 4 | |
| 72 | ||
| 73 | /* Created per submit-ioctl, to track bo's and cmdstream bufs, etc, | |
| 74 | * associated with the cmdstream submission for synchronization (and | |
| 75 | * make it easier to unwind when things go wrong, etc). This only | |
| 76 | * lasts for the duration of the submit-ioctl. | |
| 77 | */ | |
| 78 | struct msm_gem_submit { | |
| 79 | struct drm_device *dev; | |
| 80 | struct msm_gpu *gpu; | |
| 81 | struct list_head bo_list; | |
| 82 | struct ww_acquire_ctx ticket; | |
| 83 | uint32_t fence; | |
| 84 | bool valid; | |
| 85 | unsigned int nr_cmds; | |
| 86 | unsigned int nr_bos; | |
| 87 | struct { | |
| 88 | uint32_t type; | |
| 89 | uint32_t size; /* in dwords */ | |
| 90 | uint32_t iova; | |
| 91 | } cmd[MAX_CMDS]; | |
| 92 | struct { | |
| 93 | uint32_t flags; | |
| 94 | struct msm_gem_object *obj; | |
| 95 | uint32_t iova; | |
| 96 | } bos[0]; | |
| 97 | }; | |
| 98 | ||
| c8afe684 | 99 | #endif /* __MSM_GEM_H__ */ |