1c8afe684SRob Clark /* 2c8afe684SRob Clark * Copyright (C) 2013 Red Hat 3c8afe684SRob Clark * Author: Rob Clark <robdclark@gmail.com> 4c8afe684SRob Clark * 5c8afe684SRob Clark * This program is free software; you can redistribute it and/or modify it 6c8afe684SRob Clark * under the terms of the GNU General Public License version 2 as published by 7c8afe684SRob Clark * the Free Software Foundation. 8c8afe684SRob Clark * 9c8afe684SRob Clark * This program is distributed in the hope that it will be useful, but WITHOUT 10c8afe684SRob Clark * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11c8afe684SRob Clark * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12c8afe684SRob Clark * more details. 13c8afe684SRob Clark * 14c8afe684SRob Clark * You should have received a copy of the GNU General Public License along with 15c8afe684SRob Clark * this program. If not, see <http://www.gnu.org/licenses/>. 16c8afe684SRob Clark */ 17c8afe684SRob Clark 18c8afe684SRob Clark #ifndef __MSM_GEM_H__ 19c8afe684SRob Clark #define __MSM_GEM_H__ 20c8afe684SRob Clark 217198e6b0SRob Clark #include <linux/reservation.h> 22c8afe684SRob Clark #include "msm_drv.h" 23c8afe684SRob Clark 24072f1f91SRob Clark /* Additional internal-use only BO flags: */ 25072f1f91SRob Clark #define MSM_BO_STOLEN 0x10000000 /* try to use stolen/splash memory */ 26072f1f91SRob Clark 27c8afe684SRob Clark struct msm_gem_object { 28c8afe684SRob Clark struct drm_gem_object base; 29c8afe684SRob Clark 30c8afe684SRob Clark uint32_t flags; 31c8afe684SRob Clark 324cd33c48SRob Clark /** 334cd33c48SRob Clark * Advice: are the backing pages purgeable? 344cd33c48SRob Clark */ 354cd33c48SRob Clark uint8_t madv; 364cd33c48SRob Clark 37e1e9db2cSRob Clark /** 38e1e9db2cSRob Clark * count of active vmap'ing 39e1e9db2cSRob Clark */ 40e1e9db2cSRob Clark uint8_t vmap_count; 41e1e9db2cSRob Clark 427198e6b0SRob Clark /* And object is either: 437198e6b0SRob Clark * inactive - on priv->inactive_list 447198e6b0SRob Clark * active - on one one of the gpu's active_list.. well, at 457198e6b0SRob Clark * least for now we don't have (I don't think) hw sync between 467198e6b0SRob Clark * 2d and 3d one devices which have both, meaning we need to 477198e6b0SRob Clark * block on submit if a bo is already on other ring 487198e6b0SRob Clark * 497198e6b0SRob Clark */ 50c8afe684SRob Clark struct list_head mm_list; 517198e6b0SRob Clark struct msm_gpu *gpu; /* non-null if active */ 527198e6b0SRob Clark 537198e6b0SRob Clark /* Transiently in the process of submit ioctl, objects associated 547198e6b0SRob Clark * with the submit are on submit->bo_list.. this only lasts for 557198e6b0SRob Clark * the duration of the ioctl, so one bo can never be on multiple 567198e6b0SRob Clark * submit lists. 577198e6b0SRob Clark */ 587198e6b0SRob Clark struct list_head submit_entry; 597198e6b0SRob Clark 60c8afe684SRob Clark struct page **pages; 61c8afe684SRob Clark struct sg_table *sgt; 62c8afe684SRob Clark void *vaddr; 63c8afe684SRob Clark 64c8afe684SRob Clark struct { 65c8afe684SRob Clark // XXX 66c8afe684SRob Clark uint32_t iova; 67c8afe684SRob Clark } domain[NUM_DOMAINS]; 687198e6b0SRob Clark 697198e6b0SRob Clark /* normally (resv == &_resv) except for imported bo's */ 707198e6b0SRob Clark struct reservation_object *resv; 717198e6b0SRob Clark struct reservation_object _resv; 72871d812aSRob Clark 73871d812aSRob Clark /* For physically contiguous buffers. Used when we don't have 74072f1f91SRob Clark * an IOMMU. Also used for stolen/splashscreen buffer. 75871d812aSRob Clark */ 76871d812aSRob Clark struct drm_mm_node *vram_node; 77c8afe684SRob Clark }; 78c8afe684SRob Clark #define to_msm_bo(x) container_of(x, struct msm_gem_object, base) 79c8afe684SRob Clark 807198e6b0SRob Clark static inline bool is_active(struct msm_gem_object *msm_obj) 817198e6b0SRob Clark { 827198e6b0SRob Clark return msm_obj->gpu != NULL; 837198e6b0SRob Clark } 847198e6b0SRob Clark 8568209390SRob Clark static inline bool is_purgeable(struct msm_gem_object *msm_obj) 8668209390SRob Clark { 8768209390SRob Clark return (msm_obj->madv == MSM_MADV_DONTNEED) && msm_obj->sgt && 8868209390SRob Clark !msm_obj->base.dma_buf && !msm_obj->base.import_attach; 8968209390SRob Clark } 9068209390SRob Clark 91e1e9db2cSRob Clark static inline bool is_vunmapable(struct msm_gem_object *msm_obj) 92e1e9db2cSRob Clark { 93e1e9db2cSRob Clark return (msm_obj->vmap_count == 0) && msm_obj->vaddr; 94e1e9db2cSRob Clark } 95e1e9db2cSRob Clark 967198e6b0SRob Clark #define MAX_CMDS 4 977198e6b0SRob Clark 987198e6b0SRob Clark /* Created per submit-ioctl, to track bo's and cmdstream bufs, etc, 997198e6b0SRob Clark * associated with the cmdstream submission for synchronization (and 1007198e6b0SRob Clark * make it easier to unwind when things go wrong, etc). This only 1017198e6b0SRob Clark * lasts for the duration of the submit-ioctl. 1027198e6b0SRob Clark */ 1037198e6b0SRob Clark struct msm_gem_submit { 1047198e6b0SRob Clark struct drm_device *dev; 1057198e6b0SRob Clark struct msm_gpu *gpu; 1061a370be9SRob Clark struct list_head node; /* node in gpu submit_list */ 1077198e6b0SRob Clark struct list_head bo_list; 1087198e6b0SRob Clark struct ww_acquire_ctx ticket; 109b6295f9aSRob Clark struct fence *fence; 1104816b626SRob Clark struct pid *pid; /* submitting process */ 111340faef2SRob Clark bool valid; /* true if no cmdstream patching needed */ 1127198e6b0SRob Clark unsigned int nr_cmds; 1137198e6b0SRob Clark unsigned int nr_bos; 1147198e6b0SRob Clark struct { 1157198e6b0SRob Clark uint32_t type; 1167198e6b0SRob Clark uint32_t size; /* in dwords */ 1177198e6b0SRob Clark uint32_t iova; 118a7d3c950SRob Clark uint32_t idx; /* cmdstream buffer idx in bos[] */ 1197198e6b0SRob Clark } cmd[MAX_CMDS]; 1207198e6b0SRob Clark struct { 1217198e6b0SRob Clark uint32_t flags; 1227198e6b0SRob Clark struct msm_gem_object *obj; 1237198e6b0SRob Clark uint32_t iova; 1247198e6b0SRob Clark } bos[0]; 1257198e6b0SRob Clark }; 1267198e6b0SRob Clark 127c8afe684SRob Clark #endif /* __MSM_GEM_H__ */ 128