diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c deleted file mode 100644 index 96dc84dc34d0..000000000000 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c +++ /dev/null @@ -1,352 +0,0 @@ -/************************************************************************** - * - * Copyright © 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. - * - **************************************************************************/ - -#include "vmwgfx_drv.h" -#include <drm/ttm/ttm_bo_driver.h> -#include <drm/ttm/ttm_placement.h> -#include <drm/ttm/ttm_page_alloc.h> - -static uint32_t vram_placement_flags = TTM_PL_FLAG_VRAM | - TTM_PL_FLAG_CACHED; - -static uint32_t vram_ne_placement_flags = TTM_PL_FLAG_VRAM | - TTM_PL_FLAG_CACHED | - TTM_PL_FLAG_NO_EVICT; - -static uint32_t sys_placement_flags = TTM_PL_FLAG_SYSTEM | - TTM_PL_FLAG_CACHED; - -static uint32_t gmr_placement_flags = VMW_PL_FLAG_GMR | - TTM_PL_FLAG_CACHED; - -static uint32_t gmr_ne_placement_flags = VMW_PL_FLAG_GMR | - TTM_PL_FLAG_CACHED | - TTM_PL_FLAG_NO_EVICT; - -struct ttm_placement vmw_vram_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 1, - .placement = &vram_placement_flags, - .num_busy_placement = 1, - .busy_placement = &vram_placement_flags -}; - -static uint32_t vram_gmr_placement_flags[] = { - TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED, - VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED -}; - -static uint32_t gmr_vram_placement_flags[] = { - VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED, - TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED -}; - -struct ttm_placement vmw_vram_gmr_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 2, - .placement = vram_gmr_placement_flags, - .num_busy_placement = 1, - .busy_placement = &gmr_placement_flags -}; - -static uint32_t vram_gmr_ne_placement_flags[] = { - TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT, - VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT -}; - -struct ttm_placement vmw_vram_gmr_ne_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 2, - .placement = vram_gmr_ne_placement_flags, - .num_busy_placement = 1, - .busy_placement = &gmr_ne_placement_flags -}; - -struct ttm_placement vmw_vram_sys_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 1, - .placement = &vram_placement_flags, - .num_busy_placement = 1, - .busy_placement = &sys_placement_flags -}; - -struct ttm_placement vmw_vram_ne_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 1, - .placement = &vram_ne_placement_flags, - .num_busy_placement = 1, - .busy_placement = &vram_ne_placement_flags -}; - -struct ttm_placement vmw_sys_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 1, - .placement = &sys_placement_flags, - .num_busy_placement = 1, - .busy_placement = &sys_placement_flags -}; - -static uint32_t evictable_placement_flags[] = { - TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED, - TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED, - VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED -}; - -struct ttm_placement vmw_evictable_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 3, - .placement = evictable_placement_flags, - .num_busy_placement = 1, - .busy_placement = &sys_placement_flags -}; - -struct ttm_placement vmw_srf_placement = { - .fpfn = 0, - .lpfn = 0, - .num_placement = 1, - .num_busy_placement = 2, - .placement = &gmr_placement_flags, - .busy_placement = gmr_vram_placement_flags -}; - -struct vmw_ttm_tt { - struct ttm_tt ttm; - struct vmw_private *dev_priv; - int gmr_id; -}; - -static int vmw_ttm_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) -{ - struct vmw_ttm_tt *vmw_be = container_of(ttm, struct vmw_ttm_tt, ttm); - - vmw_be->gmr_id = bo_mem->start; - - return vmw_gmr_bind(vmw_be->dev_priv, ttm->pages, - ttm->num_pages, vmw_be->gmr_id); -} - -static int vmw_ttm_unbind(struct ttm_tt *ttm) -{ - struct vmw_ttm_tt *vmw_be = container_of(ttm, struct vmw_ttm_tt, ttm); - - vmw_gmr_unbind(vmw_be->dev_priv, vmw_be->gmr_id); - return 0; -} - -static void vmw_ttm_destroy(struct ttm_tt *ttm) -{ - struct vmw_ttm_tt *vmw_be = container_of(ttm, struct vmw_ttm_tt, ttm); - - ttm_tt_fini(ttm); - kfree(vmw_be); -} - -static struct ttm_backend_func vmw_ttm_func = { - .bind = vmw_ttm_bind, - .unbind = vmw_ttm_unbind, - .destroy = vmw_ttm_destroy, -}; - -struct ttm_tt *vmw_ttm_tt_create(struct ttm_bo_device *bdev, - unsigned long size, uint32_t page_flags, - struct page *dummy_read_page) -{ - struct vmw_ttm_tt *vmw_be; - - vmw_be = kmalloc(sizeof(*vmw_be), GFP_KERNEL); - if (!vmw_be) - return NULL; - - vmw_be->ttm.func = &vmw_ttm_func; - vmw_be->dev_priv = container_of(bdev, struct vmw_private, bdev); - - if (ttm_tt_init(&vmw_be->ttm, bdev, size, page_flags, dummy_read_page)) { - kfree(vmw_be); - return NULL; - } - - return &vmw_be->ttm; -} - -int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags) -{ - return 0; -} - -int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, - struct ttm_mem_type_manager *man) -{ - switch (type) { - case TTM_PL_SYSTEM: - /* System memory */ - - man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; - man->available_caching = TTM_PL_FLAG_CACHED; - man->default_caching = TTM_PL_FLAG_CACHED; - break; - case TTM_PL_VRAM: - /* "On-card" video ram */ - man->func = &ttm_bo_manager_func; - man->gpu_offset = 0; - man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE; - man->available_caching = TTM_PL_FLAG_CACHED; - man->default_caching = TTM_PL_FLAG_CACHED; - break; - case VMW_PL_GMR: - /* - * "Guest Memory Regions" is an aperture like feature with - * one slot per bo. There is an upper limit of the number of - * slots as well as the bo size. - */ - man->func = &vmw_gmrid_manager_func; - man->gpu_offset = 0; - man->flags = TTM_MEMTYPE_FLAG_CMA | TTM_MEMTYPE_FLAG_MAPPABLE; - man->available_caching = TTM_PL_FLAG_CACHED; - man->default_caching = TTM_PL_FLAG_CACHED; - break; - default: - DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); - return -EINVAL; - } - return 0; -} - -void vmw_evict_flags(struct ttm_buffer_object *bo, - struct ttm_placement *placement) -{ - *placement = vmw_sys_placement; -} - -static int vmw_verify_access(struct ttm_buffer_object *bo, struct file *filp) -{ - struct ttm_object_file *tfile = - vmw_fpriv((struct drm_file *)filp->private_data)->tfile; - - return vmw_user_dmabuf_verify_access(bo, tfile); -} - -static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) -{ - struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; - struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev); - - mem->bus.addr = NULL; - mem->bus.is_iomem = false; - mem->bus.offset = 0; - mem->bus.size = mem->num_pages << PAGE_SHIFT; - mem->bus.base = 0; - if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE)) - return -EINVAL; - switch (mem->mem_type) { - case TTM_PL_SYSTEM: - case VMW_PL_GMR: - return 0; - case TTM_PL_VRAM: - mem->bus.offset = mem->start << PAGE_SHIFT; - mem->bus.base = dev_priv->vram_start; - mem->bus.is_iomem = true; - break; - default: - return -EINVAL; - } - return 0; -} - -static void vmw_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) -{ -} - -static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) -{ - return 0; -} - -/** - * FIXME: We're using the old vmware polling method to sync. - * Do this with fences instead. - */ - -static void *vmw_sync_obj_ref(void *sync_obj) -{ - - return (void *) - vmw_fence_obj_reference((struct vmw_fence_obj *) sync_obj); -} - -static void vmw_sync_obj_unref(void **sync_obj) -{ - vmw_fence_obj_unreference((struct vmw_fence_obj **) sync_obj); -} - -static int vmw_sync_obj_flush(void *sync_obj) -{ - vmw_fence_obj_flush((struct vmw_fence_obj *) sync_obj); - return 0; -} - -static bool vmw_sync_obj_signaled(void *sync_obj) -{ - return vmw_fence_obj_signaled((struct vmw_fence_obj *) sync_obj, - DRM_VMW_FENCE_FLAG_EXEC); - -} - -static int vmw_sync_obj_wait(void *sync_obj, bool lazy, bool interruptible) -{ - return vmw_fence_obj_wait((struct vmw_fence_obj *) sync_obj, - DRM_VMW_FENCE_FLAG_EXEC, - lazy, interruptible, - VMW_FENCE_WAIT_TIMEOUT); -} - -struct ttm_bo_driver vmw_bo_driver = { - .ttm_tt_create = &vmw_ttm_tt_create, - .ttm_tt_populate = &ttm_pool_populate, - .ttm_tt_unpopulate = &ttm_pool_unpopulate, - .invalidate_caches = vmw_invalidate_caches, - .init_mem_type = vmw_init_mem_type, - .evict_flags = vmw_evict_flags, - .move = NULL, - .verify_access = vmw_verify_access, - .sync_obj_signaled = vmw_sync_obj_signaled, - .sync_obj_wait = vmw_sync_obj_wait, - .sync_obj_flush = vmw_sync_obj_flush, - .sync_obj_unref = vmw_sync_obj_unref, - .sync_obj_ref = vmw_sync_obj_ref, - .move_notify = NULL, - .swap_notify = NULL, - .fault_reserve_notify = &vmw_ttm_fault_reserve_notify, - .io_mem_reserve = &vmw_ttm_io_mem_reserve, - .io_mem_free = &vmw_ttm_io_mem_free, -}; |