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ttm_agp_backend.c
(3.78 KB)
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ttm_bo.c
(45.21 KB)
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ttm_bo_api.h
(22.82 KB)
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ttm_bo_driver.h
(32.53 KB)
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ttm_bo_manager.c
(4.37 KB)
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ttm_bo_util.c
(16.33 KB)
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ttm_bo_vm.c
(13.26 KB)
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ttm_execbuf_util.c
(6.05 KB)
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ttm_execbuf_util.h
(3.89 KB)
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ttm_lock.c
(7.5 KB)
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ttm_lock.h
(6.57 KB)
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ttm_memory.c
(11.02 KB)
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ttm_memory.h
(5.05 KB)
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ttm_module.h
(1.52 KB)
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ttm_object.c
(11.57 KB)
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ttm_object.h
(8.69 KB)
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ttm_page_alloc.c
(22.59 KB)
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ttm_page_alloc.h
(2.78 KB)
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ttm_page_alloc_dma.c
(29.56 KB)
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ttm_placement.h
(3.41 KB)
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ttm_tt.c
(8.73 KB)
Editing: ttm_memory.h
/************************************************************************** * * Copyright (c) 2006-2009 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. * **************************************************************************/ /* $FreeBSD$ */ #ifndef TTM_MEMORY_H #define TTM_MEMORY_H /** * struct ttm_mem_shrink - callback to shrink TTM memory usage. * * @do_shrink: The callback function. * * Arguments to the do_shrink functions are intended to be passed using * inheritance. That is, the argument class derives from struct ttm_mem_shrink, * and can be accessed using container_of(). */ struct ttm_mem_shrink { int (*do_shrink) (struct ttm_mem_shrink *); }; /** * struct ttm_mem_global - Global memory accounting structure. * * @shrink: A single callback to shrink TTM memory usage. Extend this * to a linked list to be able to handle multiple callbacks when needed. * @swap_queue: A workqueue to handle shrinking in low memory situations. We * need a separate workqueue since it will spend a lot of time waiting * for the GPU, and this will otherwise block other workqueue tasks(?) * At this point we use only a single-threaded workqueue. * @work: The workqueue callback for the shrink queue. * @lock: Lock to protect the @shrink - and the memory accounting members, * that is, essentially the whole structure with some exceptions. * @zones: Array of pointers to accounting zones. * @num_zones: Number of populated entries in the @zones array. * @zone_kernel: Pointer to the kernel zone. * @zone_highmem: Pointer to the highmem zone if there is one. * @zone_dma32: Pointer to the dma32 zone if there is one. * * Note that this structure is not per device. It should be global for all * graphics devices. */ #define TTM_MEM_MAX_ZONES 2 struct ttm_mem_zone; struct ttm_mem_global { u_int kobj_ref; struct ttm_mem_shrink *shrink; struct taskqueue *swap_queue; struct task work; struct mtx lock; struct ttm_mem_zone *zones[TTM_MEM_MAX_ZONES]; unsigned int num_zones; struct ttm_mem_zone *zone_kernel; struct ttm_mem_zone *zone_dma32; }; /** * ttm_mem_init_shrink - initialize a struct ttm_mem_shrink object * * @shrink: The object to initialize. * @func: The callback function. */ static inline void ttm_mem_init_shrink(struct ttm_mem_shrink *shrink, int (*func) (struct ttm_mem_shrink *)) { shrink->do_shrink = func; } /** * ttm_mem_register_shrink - register a struct ttm_mem_shrink object. * * @glob: The struct ttm_mem_global object to register with. * @shrink: An initialized struct ttm_mem_shrink object to register. * * Returns: * -EBUSY: There's already a callback registered. (May change). */ static inline int ttm_mem_register_shrink(struct ttm_mem_global *glob, struct ttm_mem_shrink *shrink) { mtx_lock(&glob->lock); if (glob->shrink != NULL) { mtx_unlock(&glob->lock); return -EBUSY; } glob->shrink = shrink; mtx_unlock(&glob->lock); return 0; } /** * ttm_mem_unregister_shrink - unregister a struct ttm_mem_shrink object. * * @glob: The struct ttm_mem_global object to unregister from. * @shrink: A previously registert struct ttm_mem_shrink object. * */ static inline void ttm_mem_unregister_shrink(struct ttm_mem_global *glob, struct ttm_mem_shrink *shrink) { mtx_lock(&glob->lock); MPASS(glob->shrink == shrink); glob->shrink = NULL; mtx_unlock(&glob->lock); } struct vm_page; extern int ttm_mem_global_init(struct ttm_mem_global *glob); extern void ttm_mem_global_release(struct ttm_mem_global *glob); extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory, bool no_wait, bool interruptible); extern void ttm_mem_global_free(struct ttm_mem_global *glob, uint64_t amount); extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob, struct vm_page *page, bool no_wait, bool interruptible); extern void ttm_mem_global_free_page(struct ttm_mem_global *glob, struct vm_page *page); extern size_t ttm_round_pot(size_t size); #endif
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