Rename ttm_bo_device to ttm_device. Rename ttm_bo_driver to ttm_device_funcs. Rename ttm_bo_global to ttm_global.
Move global and device related functions to ttm_device.[ch].
No functional change.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +- .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c | 6 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 26 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 8 +- drivers/gpu/drm/drm_gem_vram_helper.c | 14 +- drivers/gpu/drm/nouveau/nouveau_bo.c | 20 +- drivers/gpu/drm/nouveau/nouveau_bo.h | 2 +- drivers/gpu/drm/nouveau/nouveau_drv.h | 2 +- drivers/gpu/drm/nouveau/nouveau_sgdma.c | 6 +- drivers/gpu/drm/nouveau/nouveau_ttm.c | 10 +- drivers/gpu/drm/nouveau/nouveau_ttm.h | 8 +- drivers/gpu/drm/qxl/qxl_drv.h | 4 +- drivers/gpu/drm/qxl/qxl_release.c | 6 +- drivers/gpu/drm/qxl/qxl_ttm.c | 19 +- drivers/gpu/drm/radeon/radeon.h | 6 +- drivers/gpu/drm/radeon/radeon_object.c | 2 +- drivers/gpu/drm/radeon/radeon_ttm.c | 38 +- drivers/gpu/drm/ttm/Makefile | 2 +- drivers/gpu/drm/ttm/ttm_agp_backend.c | 2 +- drivers/gpu/drm/ttm/ttm_bo.c | 256 +++----------- drivers/gpu/drm/ttm/ttm_bo_util.c | 24 +- drivers/gpu/drm/ttm/ttm_bo_vm.c | 24 +- drivers/gpu/drm/ttm/ttm_device.c | 195 +++++++++++ drivers/gpu/drm/ttm/ttm_execbuf_util.c | 8 +- drivers/gpu/drm/ttm/ttm_range_manager.c | 4 +- drivers/gpu/drm/ttm/ttm_resource.c | 4 +- drivers/gpu/drm/ttm/ttm_tt.c | 26 +- drivers/gpu/drm/vmwgfx/vmwgfx_blit.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 16 +- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 2 +- drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 14 +- include/drm/drm_gem_vram_helper.h | 6 +- include/drm/ttm/ttm_bo_api.h | 35 +- include/drm/ttm/ttm_bo_driver.h | 328 +----------------- include/drm/ttm/ttm_device.h | 319 +++++++++++++++++ include/drm/ttm/ttm_resource.h | 4 +- include/drm/ttm/ttm_tt.h | 10 +- 41 files changed, 759 insertions(+), 715 deletions(-) create mode 100644 drivers/gpu/drm/ttm/ttm_device.c create mode 100644 include/drm/ttm/ttm_device.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index f77443cd9c17..ab4ac3b2651e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1053,7 +1053,7 @@ static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev) return &adev->ddev; }
-static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev) +static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev) { return container_of(bdev, struct amdgpu_device, mman.bdev); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c index 3107b9575929..5af464933976 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c @@ -40,13 +40,13 @@ static atomic_t fence_seq = ATOMIC_INIT(0); * All the BOs in a process share an eviction fence. When process X wants * to map VRAM memory but TTM can't find enough space, TTM will attempt to * evict BOs from its LRU list. TTM checks if the BO is valuable to evict - * by calling ttm_bo_driver->eviction_valuable(). + * by calling ttm_device_funcs->eviction_valuable(). * - * ttm_bo_driver->eviction_valuable() - will return false if the BO belongs + * ttm_device_funcs->eviction_valuable() - will return false if the BO belongs * to process X. Otherwise, it will return true to indicate BO can be * evicted by TTM. * - * If ttm_bo_driver->eviction_valuable returns true, then TTM will continue + * If ttm_device_funcs->eviction_valuable returns true, then TTM will continue * the evcition process for that BO by calling ttm_bo_evict --> amdgpu_bo_move * --> amdgpu_copy_buffer(). This sets up job in GPU scheduler. * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 0db933026722..fde2d899b2c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -71,7 +71,7 @@ */ static int amdgpu_gart_dummy_page_init(struct amdgpu_device *adev) { - struct page *dummy_page = ttm_bo_glob.dummy_read_page; + struct page *dummy_page = ttm_glob.dummy_read_page;
if (adev->dummy_page_addr) return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 9fd2157b133a..29cfb0809634 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -61,10 +61,10 @@
#define AMDGPU_TTM_VRAM_MAX_DW_READ (size_t)128
-static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev, +static int amdgpu_ttm_backend_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem); -static void amdgpu_ttm_backend_unbind(struct ttm_bo_device *bdev, +static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev, struct ttm_tt *ttm);
static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev, @@ -646,7 +646,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, * * Called by ttm_mem_io_reserve() ultimately via ttm_bo_vm_fault() */ -static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem) +static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct drm_mm_node *mm_node = mem->mm_node; @@ -893,7 +893,7 @@ void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages) * * Called by amdgpu_ttm_backend_bind() **/ -static int amdgpu_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, +static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev, struct ttm_tt *ttm) { struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); @@ -931,7 +931,7 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, /* * amdgpu_ttm_tt_unpin_userptr - Unpin and unmap userptr pages */ -static void amdgpu_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev, +static void amdgpu_ttm_tt_unpin_userptr(struct ttm_device *bdev, struct ttm_tt *ttm) { struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); @@ -1015,7 +1015,7 @@ static int amdgpu_ttm_gart_bind(struct amdgpu_device *adev, * Called by ttm_tt_bind() on behalf of ttm_bo_handle_move_mem(). * This handles binding GTT memory to the device address space. */ -static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev, +static int amdgpu_ttm_backend_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem) { @@ -1155,7 +1155,7 @@ int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo) * Called by ttm_tt_unbind() on behalf of ttm_bo_move_ttm() and * ttm_tt_destroy(). */ -static void amdgpu_ttm_backend_unbind(struct ttm_bo_device *bdev, +static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev, struct ttm_tt *ttm) { struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); @@ -1180,7 +1180,7 @@ static void amdgpu_ttm_backend_unbind(struct ttm_bo_device *bdev, gtt->bound = false; }
-static void amdgpu_ttm_backend_destroy(struct ttm_bo_device *bdev, +static void amdgpu_ttm_backend_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; @@ -1234,7 +1234,7 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_buffer_object *bo, * Map the pages of a ttm_tt object to an address space visible * to the underlying device. */ -static int amdgpu_ttm_tt_populate(struct ttm_bo_device *bdev, +static int amdgpu_ttm_tt_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx) { @@ -1278,7 +1278,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_bo_device *bdev, * Unmaps pages of a ttm_tt object from the device address space and * unpopulates the page array backing it. */ -static void amdgpu_ttm_tt_unpopulate(struct ttm_bo_device *bdev, +static void amdgpu_ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; @@ -1603,7 +1603,7 @@ amdgpu_bo_delete_mem_notify(struct ttm_buffer_object *bo) amdgpu_bo_move_notify(bo, false, NULL); }
-static struct ttm_bo_driver amdgpu_bo_driver = { +static struct ttm_device_funcs amdgpu_bo_driver = { .ttm_tt_create = &amdgpu_ttm_tt_create, .ttm_tt_populate = &amdgpu_ttm_tt_populate, .ttm_tt_unpopulate = &amdgpu_ttm_tt_unpopulate, @@ -1785,7 +1785,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) mutex_init(&adev->mman.gtt_window_lock);
/* No others user of address space so set it to 0 */ - r = ttm_bo_device_init(&adev->mman.bdev, &amdgpu_bo_driver, adev->dev, + r = ttm_device_init(&adev->mman.bdev, &amdgpu_bo_driver, adev->dev, adev_to_drm(adev)->anon_inode->i_mapping, adev_to_drm(adev)->vma_offset_manager, adev->need_swiotlb, @@ -1926,7 +1926,7 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GDS); ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GWS); ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_OA); - ttm_bo_device_release(&adev->mman.bdev); + ttm_device_fini(&adev->mman.bdev); adev->mman.initialized = false; DRM_INFO("amdgpu: ttm finalized\n"); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index d2987536d7cd..7189f8370108 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -60,7 +60,7 @@ struct amdgpu_gtt_mgr { };
struct amdgpu_mman { - struct ttm_bo_device bdev; + struct ttm_device bdev; bool initialized; void __iomem *aper_base_kaddr;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index ad91c0c3c423..9d19078246c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -638,15 +638,15 @@ void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev, struct amdgpu_vm_bo_base *bo_base;
if (vm->bulk_moveable) { - spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); ttm_bo_bulk_move_lru_tail(&vm->lru_bulk_move); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); return; }
memset(&vm->lru_bulk_move, 0, sizeof(vm->lru_bulk_move));
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); list_for_each_entry(bo_base, &vm->idle, vm_status) { struct amdgpu_bo *bo = bo_base->bo;
@@ -660,7 +660,7 @@ void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev, &bo->shadow->tbo.mem, &vm->lru_bulk_move); } - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock);
vm->bulk_moveable = true; } diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 02ca22e90290..0b13c8507688 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -187,7 +187,7 @@ struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev, struct drm_gem_vram_object *gbo; struct drm_gem_object *gem; struct drm_vram_mm *vmm = dev->vram_mm; - struct ttm_bo_device *bdev; + struct ttm_device *bdev; int ret; size_t acc_size;
@@ -551,7 +551,7 @@ int drm_gem_vram_fill_create_dumb(struct drm_file *file, EXPORT_SYMBOL(drm_gem_vram_fill_create_dumb);
/* - * Helpers for struct ttm_bo_driver + * Helpers for struct ttm_device_funcs */
static bool drm_is_gem_vram(struct ttm_buffer_object *bo) @@ -893,7 +893,7 @@ static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = { * TTM TT */
-static void bo_driver_ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *tt) +static void bo_driver_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *tt) { ttm_tt_destroy_common(bdev, tt); ttm_tt_fini(tt); @@ -965,7 +965,7 @@ static int bo_driver_move(struct ttm_buffer_object *bo, return drm_gem_vram_bo_driver_move(gbo, evict, ctx, new_mem); }
-static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev, +static int bo_driver_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { struct drm_vram_mm *vmm = drm_vram_mm_of_bdev(bdev); @@ -985,7 +985,7 @@ static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev, return 0; }
-static struct ttm_bo_driver bo_driver = { +static struct ttm_device_funcs bo_driver = { .ttm_tt_create = bo_driver_ttm_tt_create, .ttm_tt_destroy = bo_driver_ttm_tt_destroy, .eviction_valuable = ttm_bo_eviction_valuable, @@ -1036,7 +1036,7 @@ static int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev, vmm->vram_base = vram_base; vmm->vram_size = vram_size;
- ret = ttm_bo_device_init(&vmm->bdev, &bo_driver, dev->dev, + ret = ttm_device_init(&vmm->bdev, &bo_driver, dev->dev, dev->anon_inode->i_mapping, dev->vma_offset_manager, false, true); @@ -1054,7 +1054,7 @@ static int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev, static void drm_vram_mm_cleanup(struct drm_vram_mm *vmm) { ttm_range_man_fini(&vmm->bdev, TTM_PL_VRAM); - ttm_bo_device_release(&vmm->bdev); + ttm_device_fini(&vmm->bdev); }
/* diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 33dc886d1d6d..c177940d6e2c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -43,9 +43,9 @@ #include <nvif/if500b.h> #include <nvif/if900b.h>
-static int nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, +static int nouveau_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg); -static void nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm); +static void nouveau_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm);
/* * NV10-NV40 tiling helpers @@ -674,7 +674,7 @@ nouveau_ttm_tt_create(struct ttm_buffer_object *bo, uint32_t page_flags) }
static int -nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, +nouveau_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg) { #if IS_ENABLED(CONFIG_AGP) @@ -690,7 +690,7 @@ nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, }
static void -nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +nouveau_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm) { #if IS_ENABLED(CONFIG_AGP) struct nouveau_drm *drm = nouveau_bdev(bdev); @@ -1055,7 +1055,7 @@ nouveau_ttm_io_mem_free_locked(struct nouveau_drm *drm, }
static int -nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *reg) +nouveau_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *reg) { struct nouveau_drm *drm = nouveau_bdev(bdev); struct nvkm_device *device = nvxx_device(&drm->client.device); @@ -1163,7 +1163,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *reg) }
static void -nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_resource *reg) +nouveau_ttm_io_mem_free(struct ttm_device *bdev, struct ttm_resource *reg) { struct nouveau_drm *drm = nouveau_bdev(bdev);
@@ -1223,7 +1223,7 @@ vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) }
static int -nouveau_ttm_tt_populate(struct ttm_bo_device *bdev, +nouveau_ttm_tt_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx) { struct ttm_tt *ttm_dma = (void *)ttm; @@ -1247,7 +1247,7 @@ nouveau_ttm_tt_populate(struct ttm_bo_device *bdev, }
static void -nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev, +nouveau_ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm) { struct nouveau_drm *drm; @@ -1264,7 +1264,7 @@ nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev, }
static void -nouveau_ttm_tt_destroy(struct ttm_bo_device *bdev, +nouveau_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { #if IS_ENABLED(CONFIG_AGP) @@ -1296,7 +1296,7 @@ nouveau_bo_delete_mem_notify(struct ttm_buffer_object *bo) nouveau_bo_move_ntfy(bo, false, NULL); }
-struct ttm_bo_driver nouveau_bo_driver = { +struct ttm_device_funcs nouveau_bo_driver = { .ttm_tt_create = &nouveau_ttm_tt_create, .ttm_tt_populate = &nouveau_ttm_tt_populate, .ttm_tt_unpopulate = &nouveau_ttm_tt_unpopulate, diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h index 6045b85a762a..c2d3f9c48eba 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.h +++ b/drivers/gpu/drm/nouveau/nouveau_bo.h @@ -68,7 +68,7 @@ nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) return 0; }
-extern struct ttm_bo_driver nouveau_bo_driver; +extern struct ttm_device_funcs nouveau_bo_driver;
void nouveau_bo_move_init(struct nouveau_drm *); struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index c802d3d1ba39..edf9d1ee9d58 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -151,7 +151,7 @@ struct nouveau_drm {
/* TTM interface support */ struct { - struct ttm_bo_device bdev; + struct ttm_device bdev; atomic_t validate_sequence; int (*move)(struct nouveau_channel *, struct ttm_buffer_object *, diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index 1cf52635ea74..256ec5b35473 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -16,7 +16,7 @@ struct nouveau_sgdma_be { };
void -nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +nouveau_sgdma_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
@@ -29,7 +29,7 @@ nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm) }
int -nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg) +nouveau_sgdma_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg) { struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm; struct nouveau_drm *drm = nouveau_bdev(bdev); @@ -56,7 +56,7 @@ nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_re }
void -nouveau_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +nouveau_sgdma_unbind(struct ttm_device *bdev, struct ttm_tt *ttm) { struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm; if (nvbe->mem) { diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index a37bc3d7b38b..495288182c2d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -324,10 +324,10 @@ nouveau_ttm_init(struct nouveau_drm *drm) need_swiotlb = !!swiotlb_nr_tbl(); #endif
- ret = ttm_bo_device_init(&drm->ttm.bdev, &nouveau_bo_driver, - drm->dev->dev, dev->anon_inode->i_mapping, - dev->vma_offset_manager, need_swiotlb, - drm->client.mmu.dmabits <= 32); + ret = ttm_device_init(&drm->ttm.bdev, &nouveau_bo_driver, drm->dev->dev, + dev->anon_inode->i_mapping, + dev->vma_offset_manager, need_swiotlb, + drm->client.mmu.dmabits <= 32); if (ret) { NV_ERROR(drm, "error initialising bo driver, %d\n", ret); return ret; @@ -377,7 +377,7 @@ nouveau_ttm_fini(struct nouveau_drm *drm) nouveau_ttm_fini_vram(drm); nouveau_ttm_fini_gtt(drm);
- ttm_bo_device_release(&drm->ttm.bdev); + ttm_device_fini(&drm->ttm.bdev);
arch_phys_wc_del(drm->ttm.mtrr); drm->ttm.mtrr = 0; diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.h b/drivers/gpu/drm/nouveau/nouveau_ttm.h index 69552049bb96..dbf6dc238efd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.h +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.h @@ -3,7 +3,7 @@ #define __NOUVEAU_TTM_H__
static inline struct nouveau_drm * -nouveau_bdev(struct ttm_bo_device *bd) +nouveau_bdev(struct ttm_device *bd) { return container_of(bd, struct nouveau_drm, ttm.bdev); } @@ -22,7 +22,7 @@ int nouveau_ttm_mmap(struct file *, struct vm_area_struct *); int nouveau_ttm_global_init(struct nouveau_drm *); void nouveau_ttm_global_release(struct nouveau_drm *);
-int nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg); -void nouveau_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm); -void nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm); +int nouveau_sgdma_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg); +void nouveau_sgdma_unbind(struct ttm_device *bdev, struct ttm_tt *ttm); +void nouveau_sgdma_destroy(struct ttm_device *bdev, struct ttm_tt *ttm); #endif diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 83b54f0dad61..01354b43c413 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -125,7 +125,7 @@ struct qxl_output { #define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
struct qxl_mman { - struct ttm_bo_device bdev; + struct ttm_device bdev; };
struct qxl_memslot { @@ -335,7 +335,7 @@ int qxl_mode_dumb_mmap(struct drm_file *filp, /* qxl ttm */ int qxl_ttm_init(struct qxl_device *qdev); void qxl_ttm_fini(struct qxl_device *qdev); -int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev, +int qxl_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem);
/* qxl image */ diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c index 0fcfc952d5e9..c52412724c26 100644 --- a/drivers/gpu/drm/qxl/qxl_release.c +++ b/drivers/gpu/drm/qxl/qxl_release.c @@ -429,7 +429,7 @@ void qxl_release_unmap(struct qxl_device *qdev, void qxl_release_fence_buffer_objects(struct qxl_release *release) { struct ttm_buffer_object *bo; - struct ttm_bo_device *bdev; + struct ttm_device *bdev; struct ttm_validate_buffer *entry; struct qxl_device *qdev;
@@ -450,7 +450,7 @@ void qxl_release_fence_buffer_objects(struct qxl_release *release) release->id | 0xf0000000, release->base.seqno); trace_dma_fence_emit(&release->base);
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock);
list_for_each_entry(entry, &release->bos, head) { bo = entry->bo; @@ -459,7 +459,7 @@ void qxl_release_fence_buffer_objects(struct qxl_release *release) ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL); dma_resv_unlock(bo->base.resv); } - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); ww_acquire_fini(&release->ticket); }
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c index 33c09dc94f8b..b7f77eb685cb 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -36,7 +36,7 @@ #include "qxl_drv.h" #include "qxl_object.h"
-static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev) +static struct qxl_device *qxl_get_qdev(struct ttm_device *bdev) { struct qxl_mman *mman; struct qxl_device *qdev; @@ -69,7 +69,7 @@ static void qxl_evict_flags(struct ttm_buffer_object *bo, *placement = qbo->placement; }
-int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev, +int qxl_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { struct qxl_device *qdev = qxl_get_qdev(bdev); @@ -98,8 +98,7 @@ int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev, /* * TTM backend functions. */ -static void qxl_ttm_backend_destroy(struct ttm_bo_device *bdev, - struct ttm_tt *ttm) +static void qxl_ttm_backend_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { ttm_tt_destroy_common(bdev, ttm); ttm_tt_fini(ttm); @@ -170,7 +169,7 @@ static void qxl_bo_delete_mem_notify(struct ttm_buffer_object *bo) qxl_bo_move_notify(bo, false, NULL); }
-static struct ttm_bo_driver qxl_bo_driver = { +static struct ttm_device_funcs qxl_bo_driver = { .ttm_tt_create = &qxl_ttm_tt_create, .ttm_tt_destroy = &qxl_ttm_backend_destroy, .eviction_valuable = ttm_bo_eviction_valuable, @@ -193,10 +192,10 @@ int qxl_ttm_init(struct qxl_device *qdev) int num_io_pages; /* != rom->num_io_pages, we include surface0 */
/* No others user of address space so set it to 0 */ - r = ttm_bo_device_init(&qdev->mman.bdev, &qxl_bo_driver, NULL, - qdev->ddev.anon_inode->i_mapping, - qdev->ddev.vma_offset_manager, - false, false); + r = ttm_device_init(&qdev->mman.bdev, &qxl_bo_driver, NULL, + qdev->ddev.anon_inode->i_mapping, + qdev->ddev.vma_offset_manager, + false, false); if (r) { DRM_ERROR("failed initializing buffer object driver(%d).\n", r); return r; @@ -227,7 +226,7 @@ void qxl_ttm_fini(struct qxl_device *qdev) { ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_VRAM); ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_PRIV); - ttm_bo_device_release(&qdev->mman.bdev); + ttm_device_fini(&qdev->mman.bdev); DRM_INFO("qxl: ttm finalized\n"); }
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index f09989bdce98..449ba0095ed9 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -451,7 +451,7 @@ struct radeon_surface_reg { * TTM. */ struct radeon_mman { - struct ttm_bo_device bdev; + struct ttm_device bdev; bool initialized;
#if defined(CONFIG_DEBUG_FS) @@ -2822,7 +2822,7 @@ extern int radeon_ttm_tt_set_userptr(struct radeon_device *rdev, uint32_t flags); extern bool radeon_ttm_tt_has_userptr(struct radeon_device *rdev, struct ttm_tt *ttm); extern bool radeon_ttm_tt_is_readonly(struct radeon_device *rdev, struct ttm_tt *ttm); -bool radeon_ttm_tt_is_bound(struct ttm_bo_device *bdev, struct ttm_tt *ttm); +bool radeon_ttm_tt_is_bound(struct ttm_device *bdev, struct ttm_tt *ttm); extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base); extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc); extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon); @@ -2832,7 +2832,7 @@ extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size extern void radeon_program_register_sequence(struct radeon_device *rdev, const u32 *registers, const u32 array_size); -struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev); +struct radeon_device *radeon_get_rdev(struct ttm_device *bdev);
/* KMS */
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 9b81786782de..6a336284466f 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -372,7 +372,7 @@ void radeon_bo_unpin(struct radeon_bo *bo)
int radeon_bo_evict_vram(struct radeon_device *rdev) { - struct ttm_bo_device *bdev = &rdev->mman.bdev; + struct ttm_device *bdev = &rdev->mman.bdev; struct ttm_resource_manager *man;
/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */ diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index c6d575f50c48..5ed6a48246d6 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -55,13 +55,11 @@ static int radeon_ttm_debugfs_init(struct radeon_device *rdev); static void radeon_ttm_debugfs_fini(struct radeon_device *rdev);
-static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev, - struct ttm_tt *ttm, +static int radeon_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem); -static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev, - struct ttm_tt *ttm); +static void radeon_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm);
-struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev) +struct radeon_device *radeon_get_rdev(struct ttm_device *bdev) { struct radeon_mman *mman; struct radeon_device *rdev; @@ -280,7 +278,7 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict, return 0; }
-static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem) +static int radeon_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { struct radeon_device *rdev = radeon_get_rdev(bdev); size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT; @@ -347,7 +345,7 @@ struct radeon_ttm_tt { };
/* prepare the sg table with the user pages */ -static int radeon_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +static int radeon_ttm_tt_pin_userptr(struct ttm_device *bdev, struct ttm_tt *ttm) { struct radeon_device *rdev = radeon_get_rdev(bdev); struct radeon_ttm_tt *gtt = (void *)ttm; @@ -408,7 +406,7 @@ static int radeon_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, struct ttm_tt * return r; }
-static void radeon_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +static void radeon_ttm_tt_unpin_userptr(struct ttm_device *bdev, struct ttm_tt *ttm) { struct radeon_device *rdev = radeon_get_rdev(bdev); struct radeon_ttm_tt *gtt = (void *)ttm; @@ -444,7 +442,7 @@ static bool radeon_ttm_backend_is_bound(struct ttm_tt *ttm) return (gtt->bound); }
-static int radeon_ttm_backend_bind(struct ttm_bo_device *bdev, +static int radeon_ttm_backend_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem) { @@ -480,7 +478,7 @@ static int radeon_ttm_backend_bind(struct ttm_bo_device *bdev, return 0; }
-static void radeon_ttm_backend_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +static void radeon_ttm_backend_unbind(struct ttm_device *bdev, struct ttm_tt *ttm) { struct radeon_ttm_tt *gtt = (void *)ttm; struct radeon_device *rdev = radeon_get_rdev(bdev); @@ -495,7 +493,7 @@ static void radeon_ttm_backend_unbind(struct ttm_bo_device *bdev, struct ttm_tt gtt->bound = false; }
-static void radeon_ttm_backend_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +static void radeon_ttm_backend_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { struct radeon_ttm_tt *gtt = (void *)ttm;
@@ -554,7 +552,7 @@ static struct radeon_ttm_tt *radeon_ttm_tt_to_gtt(struct radeon_device *rdev, return container_of(ttm, struct radeon_ttm_tt, ttm); }
-static int radeon_ttm_tt_populate(struct ttm_bo_device *bdev, +static int radeon_ttm_tt_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx) { @@ -580,7 +578,7 @@ static int radeon_ttm_tt_populate(struct ttm_bo_device *bdev, return ttm_pool_alloc(&rdev->mman.bdev.pool, ttm, ctx); }
-static void radeon_ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +static void radeon_ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm) { struct radeon_device *rdev = radeon_get_rdev(bdev); struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm); @@ -613,7 +611,7 @@ int radeon_ttm_tt_set_userptr(struct radeon_device *rdev, return 0; }
-bool radeon_ttm_tt_is_bound(struct ttm_bo_device *bdev, +bool radeon_ttm_tt_is_bound(struct ttm_device *bdev, struct ttm_tt *ttm) { #if IS_ENABLED(CONFIG_AGP) @@ -624,7 +622,7 @@ bool radeon_ttm_tt_is_bound(struct ttm_bo_device *bdev, return radeon_ttm_backend_is_bound(ttm); }
-static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev, +static int radeon_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem) { @@ -642,7 +640,7 @@ static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev, return radeon_ttm_backend_bind(bdev, ttm, bo_mem); }
-static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev, +static void radeon_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm) { #if IS_ENABLED(CONFIG_AGP) @@ -656,7 +654,7 @@ static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev, radeon_ttm_backend_unbind(bdev, ttm); }
-static void radeon_ttm_tt_destroy(struct ttm_bo_device *bdev, +static void radeon_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { #if IS_ENABLED(CONFIG_AGP) @@ -700,7 +698,7 @@ radeon_bo_delete_mem_notify(struct ttm_buffer_object *bo) radeon_bo_move_notify(bo, false, NULL); }
-static struct ttm_bo_driver radeon_bo_driver = { +static struct ttm_device_funcs radeon_bo_driver = { .ttm_tt_create = &radeon_ttm_tt_create, .ttm_tt_populate = &radeon_ttm_tt_populate, .ttm_tt_unpopulate = &radeon_ttm_tt_unpopulate, @@ -718,7 +716,7 @@ int radeon_ttm_init(struct radeon_device *rdev) int r;
/* No others user of address space so set it to 0 */ - r = ttm_bo_device_init(&rdev->mman.bdev, &radeon_bo_driver, rdev->dev, + r = ttm_device_init(&rdev->mman.bdev, &radeon_bo_driver, rdev->dev, rdev->ddev->anon_inode->i_mapping, rdev->ddev->vma_offset_manager, rdev->need_swiotlb, @@ -791,7 +789,7 @@ void radeon_ttm_fini(struct radeon_device *rdev) } ttm_range_man_fini(&rdev->mman.bdev, TTM_PL_VRAM); ttm_range_man_fini(&rdev->mman.bdev, TTM_PL_TT); - ttm_bo_device_release(&rdev->mman.bdev); + ttm_device_fini(&rdev->mman.bdev); radeon_gart_fini(rdev); rdev->mman.initialized = false; DRM_INFO("radeon: ttm finalized\n"); diff --git a/drivers/gpu/drm/ttm/Makefile b/drivers/gpu/drm/ttm/Makefile index b6f5f87b270f..8e6437eadabe 100644 --- a/drivers/gpu/drm/ttm/Makefile +++ b/drivers/gpu/drm/ttm/Makefile @@ -5,7 +5,7 @@ ttm-y := ttm_memory.o ttm_tt.o ttm_bo.o \ ttm_bo_util.o ttm_bo_vm.o ttm_module.o \ ttm_execbuf_util.o ttm_range_manager.o \ - ttm_resource.o ttm_pool.o + ttm_resource.o ttm_pool.o ttm_device.o ttm-$(CONFIG_AGP) += ttm_agp_backend.o
obj-$(CONFIG_DRM_TTM) += ttm.o diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c index 8f9fa4188897..0226ae69d3ab 100644 --- a/drivers/gpu/drm/ttm/ttm_agp_backend.c +++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c @@ -49,7 +49,7 @@ struct ttm_agp_backend { int ttm_agp_bind(struct ttm_tt *ttm, struct ttm_resource *bo_mem) { struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm); - struct page *dummy_read_page = ttm_bo_glob.dummy_read_page; + struct page *dummy_read_page = ttm_glob.dummy_read_page; struct drm_mm_node *node = bo_mem->mm_node; struct agp_memory *mem; int ret, cached = ttm->caching == ttm_cached; diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index c289a6a37ff9..20256797f3a6 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -44,14 +44,6 @@
#include "ttm_module.h"
-/* - * ttm_global_mutex - protecting the global BO state - */ -DEFINE_MUTEX(ttm_global_mutex); -unsigned ttm_bo_glob_use_count; -struct ttm_bo_global ttm_bo_glob; -EXPORT_SYMBOL(ttm_bo_glob); - /* default destructor */ static void ttm_bo_default_destroy(struct ttm_buffer_object *bo) { @@ -79,13 +71,13 @@ static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
static void ttm_bo_del_from_lru(struct ttm_buffer_object *bo) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev;
list_del_init(&bo->swap); list_del_init(&bo->lru);
- if (bdev->driver->del_from_lru_notify) - bdev->driver->del_from_lru_notify(bo); + if (bdev->funcs->del_from_lru_notify) + bdev->funcs->del_from_lru_notify(bo); }
static void ttm_bo_bulk_move_set_pos(struct ttm_lru_bulk_move_pos *pos, @@ -100,7 +92,7 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo, struct ttm_resource *mem, struct ttm_lru_bulk_move *bulk) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource_manager *man;
dma_resv_assert_held(bo->base.resv); @@ -117,12 +109,12 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo, TTM_PAGE_FLAG_SWAPPED))) { struct list_head *swap;
- swap = &ttm_bo_glob.swap_lru[bo->priority]; + swap = &ttm_glob.swap_lru[bo->priority]; list_move_tail(&bo->swap, swap); }
- if (bdev->driver->del_from_lru_notify) - bdev->driver->del_from_lru_notify(bo); + if (bdev->funcs->del_from_lru_notify) + bdev->funcs->del_from_lru_notify(bo);
if (bulk && !bo->pin_count) { switch (bo->mem.mem_type) { @@ -185,7 +177,7 @@ void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk) dma_resv_assert_held(pos->first->base.resv); dma_resv_assert_held(pos->last->base.resv);
- lru = &ttm_bo_glob.swap_lru[i]; + lru = &ttm_glob.swap_lru[i]; list_bulk_move_tail(lru, &pos->first->swap, &pos->last->swap); } } @@ -196,7 +188,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx, struct ttm_place *hop) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource_manager *old_man = ttm_manager_type(bdev, bo->mem.mem_type); struct ttm_resource_manager *new_man = ttm_manager_type(bdev, mem->mem_type); int ret; @@ -222,7 +214,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, } }
- ret = bdev->driver->move(bo, evict, ctx, mem, hop); + ret = bdev->funcs->move(bo, evict, ctx, mem, hop); if (ret) { if (ret == -EMULTIHOP) return ret; @@ -250,8 +242,8 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo) { - if (bo->bdev->driver->delete_mem_notify) - bo->bdev->driver->delete_mem_notify(bo); + if (bo->bdev->funcs->delete_mem_notify) + bo->bdev->funcs->delete_mem_notify(bo);
ttm_bo_tt_destroy(bo); ttm_resource_free(bo, &bo->mem); @@ -276,9 +268,9 @@ static int ttm_bo_individualize_resv(struct ttm_buffer_object *bo) * reference it any more. The only tricky case is the trylock on * the resv object while holding the lru_lock. */ - spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); bo->base.resv = &bo->base._resv; - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); }
return r; @@ -337,7 +329,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
if (unlock_resv) dma_resv_unlock(bo->base.resv); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock);
lret = dma_resv_wait_timeout_rcu(resv, true, interruptible, 30 * HZ); @@ -347,7 +339,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, else if (lret == 0) return -EBUSY;
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); if (unlock_resv && !dma_resv_trylock(bo->base.resv)) { /* * We raced, and lost, someone else holds the reservation now, @@ -357,7 +349,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, * delayed destruction would succeed, so just return success * here. */ - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); return 0; } ret = 0; @@ -366,13 +358,13 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, if (ret || unlikely(list_empty(&bo->ddestroy))) { if (unlock_resv) dma_resv_unlock(bo->base.resv); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); return ret; }
ttm_bo_del_from_lru(bo); list_del_init(&bo->ddestroy); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); ttm_bo_cleanup_memtype_use(bo);
if (unlock_resv) @@ -387,9 +379,9 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, * Traverse the delayed list, and call ttm_bo_cleanup_refs on all * encountered buffers. */ -static bool ttm_bo_delayed_delete(struct ttm_bo_device *bdev, bool remove_all) +bool ttm_bo_delayed_delete(struct ttm_device *bdev, bool remove_all) { - struct ttm_bo_global *glob = &ttm_bo_glob; + struct ttm_global *glob = &ttm_glob; struct list_head removed; bool empty;
@@ -428,21 +420,11 @@ static bool ttm_bo_delayed_delete(struct ttm_bo_device *bdev, bool remove_all) return empty; }
-static void ttm_bo_delayed_workqueue(struct work_struct *work) -{ - struct ttm_bo_device *bdev = - container_of(work, struct ttm_bo_device, wq.work); - - if (!ttm_bo_delayed_delete(bdev, false)) - schedule_delayed_work(&bdev->wq, - ((HZ / 100) < 1) ? 1 : HZ / 100); -} - static void ttm_bo_release(struct kref *kref) { struct ttm_buffer_object *bo = container_of(kref, struct ttm_buffer_object, kref); - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; size_t acc_size = bo->acc_size; int ret;
@@ -456,8 +438,8 @@ static void ttm_bo_release(struct kref *kref) 30 * HZ); }
- if (bo->bdev->driver->release_notify) - bo->bdev->driver->release_notify(bo); + if (bo->bdev->funcs->release_notify) + bo->bdev->funcs->release_notify(bo);
drm_vma_offset_remove(bdev->vma_manager, &bo->base.vma_node); ttm_mem_io_free(bdev, &bo->mem); @@ -469,7 +451,7 @@ static void ttm_bo_release(struct kref *kref) ttm_bo_flush_all_fences(bo); bo->deleted = true;
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock);
/* * Make pinned bos immediately available to @@ -483,22 +465,22 @@ static void ttm_bo_release(struct kref *kref)
kref_init(&bo->kref); list_add_tail(&bo->ddestroy, &bdev->ddestroy); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock);
schedule_delayed_work(&bdev->wq, ((HZ / 100) < 1) ? 1 : HZ / 100); return; }
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); ttm_bo_del_from_lru(bo); list_del(&bo->ddestroy); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock);
ttm_bo_cleanup_memtype_use(bo); dma_resv_unlock(bo->base.resv);
- atomic_dec(&ttm_bo_glob.bo_count); + atomic_dec(&ttm_glob.bo_count); dma_fence_put(bo->moving); if (!ttm_bo_uses_embedded_gem_object(bo)) dma_resv_fini(&bo->base._resv); @@ -512,13 +494,13 @@ void ttm_bo_put(struct ttm_buffer_object *bo) } EXPORT_SYMBOL(ttm_bo_put);
-int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev) +int ttm_bo_lock_delayed_workqueue(struct ttm_device *bdev) { return cancel_delayed_work_sync(&bdev->wq); } EXPORT_SYMBOL(ttm_bo_lock_delayed_workqueue);
-void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched) +void ttm_bo_unlock_delayed_workqueue(struct ttm_device *bdev, int resched) { if (resched) schedule_delayed_work(&bdev->wq, @@ -529,7 +511,7 @@ EXPORT_SYMBOL(ttm_bo_unlock_delayed_workqueue); static int ttm_bo_evict(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource evict_mem; struct ttm_placement placement; struct ttm_place hop; @@ -541,7 +523,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo,
placement.num_placement = 0; placement.num_busy_placement = 0; - bdev->driver->evict_flags(bo, &placement); + bdev->funcs->evict_flags(bo, &placement);
if (!placement.num_placement && !placement.num_busy_placement) { ttm_bo_wait(bo, false, false); @@ -657,7 +639,7 @@ static int ttm_mem_evict_wait_busy(struct ttm_buffer_object *busy_bo, return r == -EDEADLK ? -EBUSY : r; }
-int ttm_mem_evict_first(struct ttm_bo_device *bdev, +int ttm_mem_evict_first(struct ttm_device *bdev, struct ttm_resource_manager *man, const struct ttm_place *place, struct ttm_operation_ctx *ctx, @@ -668,7 +650,7 @@ int ttm_mem_evict_first(struct ttm_bo_device *bdev, unsigned i; int ret;
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) { list_for_each_entry(bo, &man->lru[i], lru) { bool busy; @@ -681,7 +663,7 @@ int ttm_mem_evict_first(struct ttm_bo_device *bdev, continue; }
- if (place && !bdev->driver->eviction_valuable(bo, + if (place && !bdev->funcs->eviction_valuable(bo, place)) { if (locked) dma_resv_unlock(bo->base.resv); @@ -705,7 +687,7 @@ int ttm_mem_evict_first(struct ttm_bo_device *bdev, if (!bo) { if (busy_bo && !ttm_bo_get_unless_zero(busy_bo)) busy_bo = NULL; - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); ret = ttm_mem_evict_wait_busy(busy_bo, ctx, ticket); if (busy_bo) ttm_bo_put(busy_bo); @@ -719,7 +701,7 @@ int ttm_mem_evict_first(struct ttm_bo_device *bdev, return ret; }
- spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock);
ret = ttm_bo_evict(bo, ctx); if (locked) @@ -774,7 +756,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, struct ttm_resource *mem, struct ttm_operation_ctx *ctx) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource_manager *man = ttm_manager_type(bdev, mem->mem_type); struct ww_acquire_ctx *ticket; int ret; @@ -809,7 +791,7 @@ static int ttm_bo_mem_placement(struct ttm_buffer_object *bo, const struct ttm_place *place, struct ttm_resource *mem) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource_manager *man;
man = ttm_manager_type(bdev, place->mem_type); @@ -819,9 +801,9 @@ static int ttm_bo_mem_placement(struct ttm_buffer_object *bo, mem->mem_type = place->mem_type; mem->placement = place->flags;
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); ttm_bo_move_to_lru_tail(bo, mem, NULL); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock);
return 0; } @@ -839,7 +821,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, struct ttm_resource *mem, struct ttm_operation_ctx *ctx) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; bool type_found = false; int i, ret;
@@ -1057,7 +1039,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, } EXPORT_SYMBOL(ttm_bo_validate);
-int ttm_bo_init_reserved(struct ttm_bo_device *bdev, +int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo, size_t size, enum ttm_bo_type type, @@ -1117,7 +1099,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, dma_resv_init(&bo->base._resv); drm_vma_node_reset(&bo->base.vma_node); } - atomic_inc(&ttm_bo_glob.bo_count); + atomic_inc(&ttm_glob.bo_count);
/* * For ttm_bo_type_device buffers, allocate @@ -1153,7 +1135,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, } EXPORT_SYMBOL(ttm_bo_init_reserved);
-int ttm_bo_init(struct ttm_bo_device *bdev, +int ttm_bo_init(struct ttm_device *bdev, struct ttm_buffer_object *bo, size_t size, enum ttm_bo_type type, @@ -1181,7 +1163,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev, } EXPORT_SYMBOL(ttm_bo_init);
-size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, +size_t ttm_bo_dma_acc_size(struct ttm_device *bdev, unsigned long bo_size, unsigned struct_size) { @@ -1195,148 +1177,13 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, } EXPORT_SYMBOL(ttm_bo_dma_acc_size);
-static void ttm_bo_global_release(void) -{ - struct ttm_bo_global *glob = &ttm_bo_glob; - - mutex_lock(&ttm_global_mutex); - if (--ttm_bo_glob_use_count > 0) - goto out; - - kobject_del(&glob->kobj); - kobject_put(&glob->kobj); - ttm_mem_global_release(&ttm_mem_glob); - __free_page(glob->dummy_read_page); - memset(glob, 0, sizeof(*glob)); -out: - mutex_unlock(&ttm_global_mutex); -} - -static int ttm_bo_global_init(void) -{ - struct ttm_bo_global *glob = &ttm_bo_glob; - int ret = 0; - unsigned i; - - mutex_lock(&ttm_global_mutex); - if (++ttm_bo_glob_use_count > 1) - goto out; - - ret = ttm_mem_global_init(&ttm_mem_glob); - if (ret) - goto out; - - spin_lock_init(&glob->lru_lock); - glob->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32); - - if (unlikely(glob->dummy_read_page == NULL)) { - ret = -ENOMEM; - goto out; - } - - for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) - INIT_LIST_HEAD(&glob->swap_lru[i]); - INIT_LIST_HEAD(&glob->device_list); - atomic_set(&glob->bo_count, 0); - - debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root, - &glob->bo_count); -out: - mutex_unlock(&ttm_global_mutex); - return ret; -} - -int ttm_bo_device_release(struct ttm_bo_device *bdev) -{ - struct ttm_bo_global *glob = &ttm_bo_glob; - int ret = 0; - unsigned i; - struct ttm_resource_manager *man; - - man = ttm_manager_type(bdev, TTM_PL_SYSTEM); - ttm_resource_manager_set_used(man, false); - ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, NULL); - - mutex_lock(&ttm_global_mutex); - list_del(&bdev->device_list); - mutex_unlock(&ttm_global_mutex); - - cancel_delayed_work_sync(&bdev->wq); - - if (ttm_bo_delayed_delete(bdev, true)) - pr_debug("Delayed destroy list was clean\n"); - - spin_lock(&glob->lru_lock); - for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) - if (list_empty(&man->lru[0])) - pr_debug("Swap list %d was clean\n", i); - spin_unlock(&glob->lru_lock); - - ttm_pool_fini(&bdev->pool); - - if (!ret) - ttm_bo_global_release(); - - return ret; -} -EXPORT_SYMBOL(ttm_bo_device_release); - -static void ttm_bo_init_sysman(struct ttm_bo_device *bdev) -{ - struct ttm_resource_manager *man = &bdev->sysman; - - /* - * Initialize the system memory buffer type. - * Other types need to be driver / IOCTL initialized. - */ - man->use_tt = true; - - ttm_resource_manager_init(man, 0); - ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man); - ttm_resource_manager_set_used(man, true); -} - -int ttm_bo_device_init(struct ttm_bo_device *bdev, - struct ttm_bo_driver *driver, - struct device *dev, - struct address_space *mapping, - struct drm_vma_offset_manager *vma_manager, - bool use_dma_alloc, bool use_dma32) -{ - struct ttm_bo_global *glob = &ttm_bo_glob; - int ret; - - if (WARN_ON(vma_manager == NULL)) - return -EINVAL; - - ret = ttm_bo_global_init(); - if (ret) - return ret; - - bdev->driver = driver; - - ttm_bo_init_sysman(bdev); - ttm_pool_init(&bdev->pool, dev, use_dma_alloc, use_dma32); - - bdev->vma_manager = vma_manager; - INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue); - INIT_LIST_HEAD(&bdev->ddestroy); - bdev->dev_mapping = mapping; - mutex_lock(&ttm_global_mutex); - list_add_tail(&bdev->device_list, &glob->device_list); - mutex_unlock(&ttm_global_mutex); - - return 0; -} -EXPORT_SYMBOL(ttm_bo_device_init); - /* * buffer object vm functions. */
void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev;
drm_vma_node_unmap(&bo->base.vma_node, bdev->dev_mapping); ttm_mem_io_free(bdev, &bo->mem); @@ -1374,7 +1221,7 @@ EXPORT_SYMBOL(ttm_bo_wait); */ int ttm_bo_swapout(struct ttm_operation_ctx *ctx) { - struct ttm_bo_global *glob = &ttm_bo_glob; + struct ttm_global *glob = &ttm_glob; struct ttm_buffer_object *bo; int ret = -EBUSY; bool locked; @@ -1452,8 +1299,8 @@ int ttm_bo_swapout(struct ttm_operation_ctx *ctx) * anyone tries to access a ttm page. */
- if (bo->bdev->driver->swap_notify) - bo->bdev->driver->swap_notify(bo); + if (bo->bdev->funcs->swap_notify) + bo->bdev->funcs->swap_notify(bo);
ret = ttm_tt_swapout(bo->bdev, bo->ttm); out: @@ -1478,4 +1325,3 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo) ttm_tt_destroy(bo->bdev, bo->ttm); bo->ttm = NULL; } - diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 398d5013fc39..db0f2661d504 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -46,33 +46,33 @@ struct ttm_transfer_obj { struct ttm_buffer_object *bo; };
-int ttm_mem_io_reserve(struct ttm_bo_device *bdev, +int ttm_mem_io_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { if (mem->bus.offset || mem->bus.addr) return 0;
mem->bus.is_iomem = false; - if (!bdev->driver->io_mem_reserve) + if (!bdev->funcs->io_mem_reserve) return 0;
- return bdev->driver->io_mem_reserve(bdev, mem); + return bdev->funcs->io_mem_reserve(bdev, mem); }
-void ttm_mem_io_free(struct ttm_bo_device *bdev, +void ttm_mem_io_free(struct ttm_device *bdev, struct ttm_resource *mem) { if (!mem->bus.offset && !mem->bus.addr) return;
- if (bdev->driver->io_mem_free) - bdev->driver->io_mem_free(bdev, mem); + if (bdev->funcs->io_mem_free) + bdev->funcs->io_mem_free(bdev, mem);
mem->bus.offset = 0; mem->bus.addr = NULL; }
-static int ttm_resource_ioremap(struct ttm_bo_device *bdev, +static int ttm_resource_ioremap(struct ttm_device *bdev, struct ttm_resource *mem, void **virtual) { @@ -102,7 +102,7 @@ static int ttm_resource_ioremap(struct ttm_bo_device *bdev, return 0; }
-static void ttm_resource_iounmap(struct ttm_bo_device *bdev, +static void ttm_resource_iounmap(struct ttm_device *bdev, struct ttm_resource *mem, void *virtual) { @@ -172,7 +172,7 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx, struct ttm_resource *new_mem) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource_manager *man = ttm_manager_type(bdev, new_mem->mem_type); struct ttm_tt *ttm = bo->ttm; struct ttm_resource *old_mem = &bo->mem; @@ -300,7 +300,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo, * TODO: Explicit member copy would probably be better here. */
- atomic_inc(&ttm_bo_glob.bo_count); + atomic_inc(&ttm_glob.bo_count); INIT_LIST_HEAD(&fbo->base.ddestroy); INIT_LIST_HEAD(&fbo->base.lru); INIT_LIST_HEAD(&fbo->base.swap); @@ -602,7 +602,7 @@ static int ttm_bo_move_to_ghost(struct ttm_buffer_object *bo, static void ttm_bo_move_pipeline_evict(struct ttm_buffer_object *bo, struct dma_fence *fence) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource_manager *from = ttm_manager_type(bdev, bo->mem.mem_type);
/** @@ -628,7 +628,7 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, bool pipeline, struct ttm_resource *new_mem) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct ttm_resource_manager *from = ttm_manager_type(bdev, bo->mem.mem_type); struct ttm_resource_manager *man = ttm_manager_type(bdev, new_mem->mem_type); int ret = 0; diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 6dc96cf66744..b31b18058965 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -95,10 +95,10 @@ static vm_fault_t ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo, static unsigned long ttm_bo_io_mem_pfn(struct ttm_buffer_object *bo, unsigned long page_offset) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev;
- if (bdev->driver->io_mem_pfn) - return bdev->driver->io_mem_pfn(bo, page_offset); + if (bdev->funcs->io_mem_pfn) + return bdev->funcs->io_mem_pfn(bo, page_offset);
return (bo->mem.bus.offset >> PAGE_SHIFT) + page_offset; } @@ -216,7 +216,7 @@ static vm_fault_t ttm_bo_vm_insert_huge(struct vm_fault *vmf, if (page_to_pfn(ttm->pages[page_offset + i]) != pfn + i) goto out_fallback; } - } else if (bo->bdev->driver->io_mem_pfn) { + } else if (bo->bdev->funcs->io_mem_pfn) { for (i = 1; i < fault_page_size; ++i) { if (ttm_bo_io_mem_pfn(bo, page_offset + i) != pfn + i) goto out_fallback; @@ -278,7 +278,7 @@ vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf, { struct vm_area_struct *vma = vmf->vma; struct ttm_buffer_object *bo = vma->vm_private_data; - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; unsigned long page_offset; unsigned long page_last; unsigned long pfn; @@ -488,8 +488,8 @@ int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr, ret = ttm_bo_vm_access_kmap(bo, offset, buf, len, write); break; default: - if (bo->bdev->driver->access_memory) - ret = bo->bdev->driver->access_memory( + if (bo->bdev->funcs->access_memory) + ret = bo->bdev->funcs->access_memory( bo, offset, buf, len, write); else ret = -EIO; @@ -508,7 +508,7 @@ static const struct vm_operations_struct ttm_bo_vm_ops = { .access = ttm_bo_vm_access, };
-static struct ttm_buffer_object *ttm_bo_vm_lookup(struct ttm_bo_device *bdev, +static struct ttm_buffer_object *ttm_bo_vm_lookup(struct ttm_device *bdev, unsigned long offset, unsigned long pages) { @@ -555,9 +555,8 @@ static void ttm_bo_mmap_vma_setup(struct ttm_buffer_object *bo, struct vm_area_s }
int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, - struct ttm_bo_device *bdev) + struct ttm_device *bdev) { - struct ttm_bo_driver *driver; struct ttm_buffer_object *bo; int ret;
@@ -568,12 +567,11 @@ int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, if (unlikely(!bo)) return -EINVAL;
- driver = bo->bdev->driver; - if (unlikely(!driver->verify_access)) { + if (unlikely(!bo->bdev->funcs->verify_access)) { ret = -EPERM; goto out_unref; } - ret = driver->verify_access(bo, filp); + ret = bo->bdev->funcs->verify_access(bo, filp); if (unlikely(ret != 0)) goto out_unref;
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c new file mode 100644 index 000000000000..ac0903c9e60a --- /dev/null +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -0,0 +1,195 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ + +/* + * Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA + * Copyright 2020 Advanced Micro Devices, Inc. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Christian König + */ + +#define pr_fmt(fmt) "[TTM DEVICE] " fmt + +#include <drm/ttm/ttm_device.h> +#include <drm/ttm/ttm_memory.h> +#include <drm/ttm/ttm_placement.h> + +#include "ttm_module.h" + +/** + * ttm_global_mutex - protecting the global state + */ +DEFINE_MUTEX(ttm_global_mutex); +unsigned ttm_glob_use_count; +struct ttm_global ttm_glob; +EXPORT_SYMBOL(ttm_glob); + +static void ttm_global_release(void) +{ + struct ttm_global *glob = &ttm_glob; + + mutex_lock(&ttm_global_mutex); + if (--ttm_glob_use_count > 0) + goto out; + + kobject_del(&glob->kobj); + kobject_put(&glob->kobj); + ttm_mem_global_release(&ttm_mem_glob); + __free_page(glob->dummy_read_page); + memset(glob, 0, sizeof(*glob)); +out: + mutex_unlock(&ttm_global_mutex); +} + +static int ttm_global_init(void) +{ + struct ttm_global *glob = &ttm_glob; + int ret = 0; + unsigned i; + + mutex_lock(&ttm_global_mutex); + if (++ttm_glob_use_count > 1) + goto out; + + ret = ttm_mem_global_init(&ttm_mem_glob); + if (ret) + goto out; + + spin_lock_init(&glob->lru_lock); + glob->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32); + + if (unlikely(glob->dummy_read_page == NULL)) { + ret = -ENOMEM; + goto out; + } + + for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) + INIT_LIST_HEAD(&glob->swap_lru[i]); + INIT_LIST_HEAD(&glob->device_list); + atomic_set(&glob->bo_count, 0); + + debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root, + &glob->bo_count); +out: + mutex_unlock(&ttm_global_mutex); + return ret; +} + +static void ttm_init_sysman(struct ttm_device *bdev) +{ + struct ttm_resource_manager *man = &bdev->sysman; + + /* + * Initialize the system memory buffer type. + * Other types need to be driver / IOCTL initialized. + */ + man->use_tt = true; + + ttm_resource_manager_init(man, 0); + ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man); + ttm_resource_manager_set_used(man, true); +} + +static void ttm_device_delayed_workqueue(struct work_struct *work) +{ + struct ttm_device *bdev = + container_of(work, struct ttm_device, wq.work); + + if (!ttm_bo_delayed_delete(bdev, false)) + schedule_delayed_work(&bdev->wq, + ((HZ / 100) < 1) ? 1 : HZ / 100); +} + +/** + * ttm_device_init + * + * @bdev: A pointer to a struct ttm_device to initialize. + * @funcs: Function table for the device. + * @dev: The core kernel device pointer for DMA mappings and allocations. + * @mapping: The address space to use for this bo. + * @vma_manager: A pointer to a vma manager. + * @use_dma_alloc: If coherent DMA allocation API should be used. + * @use_dma32: If we should use GFP_DMA32 for device memory allocations. + * + * Initializes a struct ttm_device: + * Returns: + * !0: Failure. + */ +int ttm_device_init(struct ttm_device *bdev, struct ttm_device_funcs *funcs, + struct device *dev, struct address_space *mapping, + struct drm_vma_offset_manager *vma_manager, + bool use_dma_alloc, bool use_dma32) +{ + struct ttm_global *glob = &ttm_glob; + int ret; + + if (WARN_ON(vma_manager == NULL)) + return -EINVAL; + + ret = ttm_global_init(); + if (ret) + return ret; + + bdev->funcs = funcs; + + ttm_init_sysman(bdev); + ttm_pool_init(&bdev->pool, dev, use_dma_alloc, use_dma32); + + bdev->vma_manager = vma_manager; + INIT_DELAYED_WORK(&bdev->wq, ttm_device_delayed_workqueue); + INIT_LIST_HEAD(&bdev->ddestroy); + bdev->dev_mapping = mapping; + mutex_lock(&ttm_global_mutex); + list_add_tail(&bdev->device_list, &glob->device_list); + mutex_unlock(&ttm_global_mutex); + + return 0; +} +EXPORT_SYMBOL(ttm_device_init); + +void ttm_device_fini(struct ttm_device *bdev) +{ + struct ttm_global *glob = &ttm_glob; + struct ttm_resource_manager *man; + unsigned i; + + man = ttm_manager_type(bdev, TTM_PL_SYSTEM); + ttm_resource_manager_set_used(man, false); + ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, NULL); + + mutex_lock(&ttm_global_mutex); + list_del(&bdev->device_list); + mutex_unlock(&ttm_global_mutex); + + cancel_delayed_work_sync(&bdev->wq); + + if (ttm_bo_delayed_delete(bdev, true)) + pr_debug("Delayed destroy list was clean\n"); + + spin_lock(&glob->lru_lock); + for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) + if (list_empty(&man->lru[0])) + pr_debug("Swap list %d was clean\n", i); + spin_unlock(&glob->lru_lock); + + ttm_pool_fini(&bdev->pool); + ttm_global_release(); +} +EXPORT_SYMBOL(ttm_device_fini); diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c index 9fa36ed59429..690ab97d52b7 100644 --- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c +++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c @@ -51,14 +51,14 @@ void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, if (list_empty(list)) return;
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); list_for_each_entry(entry, list, head) { struct ttm_buffer_object *bo = entry->bo;
ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL); dma_resv_unlock(bo->base.resv); } - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock);
if (ticket) ww_acquire_fini(ticket); @@ -154,7 +154,7 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, if (list_empty(list)) return;
- spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); list_for_each_entry(entry, list, head) { struct ttm_buffer_object *bo = entry->bo;
@@ -165,7 +165,7 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL); dma_resv_unlock(bo->base.resv); } - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); if (ticket) ww_acquire_fini(ticket); } diff --git a/drivers/gpu/drm/ttm/ttm_range_manager.c b/drivers/gpu/drm/ttm/ttm_range_manager.c index a39305f742da..707e5c152896 100644 --- a/drivers/gpu/drm/ttm/ttm_range_manager.c +++ b/drivers/gpu/drm/ttm/ttm_range_manager.c @@ -111,7 +111,7 @@ static void ttm_range_man_free(struct ttm_resource_manager *man,
static const struct ttm_resource_manager_func ttm_range_manager_func;
-int ttm_range_man_init(struct ttm_bo_device *bdev, +int ttm_range_man_init(struct ttm_device *bdev, unsigned type, bool use_tt, unsigned long p_size) { @@ -138,7 +138,7 @@ int ttm_range_man_init(struct ttm_bo_device *bdev, } EXPORT_SYMBOL(ttm_range_man_init);
-int ttm_range_man_fini(struct ttm_bo_device *bdev, +int ttm_range_man_fini(struct ttm_device *bdev, unsigned type) { struct ttm_resource_manager *man = ttm_manager_type(bdev, type); diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c index b60699bf4816..ed1672a9f332 100644 --- a/drivers/gpu/drm/ttm/ttm_resource.c +++ b/drivers/gpu/drm/ttm/ttm_resource.c @@ -83,7 +83,7 @@ EXPORT_SYMBOL(ttm_resource_manager_init); * Evict all the objects out of a memory manager until it is empty. * Part of memory manager cleanup sequence. */ -int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev, +int ttm_resource_manager_evict_all(struct ttm_device *bdev, struct ttm_resource_manager *man) { struct ttm_operation_ctx ctx = { @@ -91,7 +91,7 @@ int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev, .no_wait_gpu = false, .force_alloc = true }; - struct ttm_bo_global *glob = &ttm_bo_glob; + struct ttm_global *glob = &ttm_glob; struct dma_fence *fence; int ret; unsigned i; diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 7f75a13163f0..7782d5393c7c 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -43,7 +43,7 @@ */ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; uint32_t page_flags = 0;
dma_resv_assert_held(bo->base.resv); @@ -66,7 +66,7 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc) return -EINVAL; }
- bo->ttm = bdev->driver->ttm_tt_create(bo, page_flags); + bo->ttm = bdev->funcs->ttm_tt_create(bo, page_flags); if (unlikely(bo->ttm == NULL)) return -ENOMEM;
@@ -108,7 +108,7 @@ static int ttm_sg_tt_alloc_page_directory(struct ttm_tt *ttm) return 0; }
-void ttm_tt_destroy_common(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +void ttm_tt_destroy_common(struct ttm_device *bdev, struct ttm_tt *ttm) { ttm_tt_unpopulate(bdev, ttm);
@@ -119,9 +119,9 @@ void ttm_tt_destroy_common(struct ttm_bo_device *bdev, struct ttm_tt *ttm) } EXPORT_SYMBOL(ttm_tt_destroy_common);
-void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +void ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { - bdev->driver->ttm_tt_destroy(bdev, ttm); + bdev->funcs->ttm_tt_destroy(bdev, ttm); }
static void ttm_tt_init_fields(struct ttm_tt *ttm, @@ -223,7 +223,7 @@ int ttm_tt_swapin(struct ttm_tt *ttm) return ret; }
-int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +int ttm_tt_swapout(struct ttm_device *bdev, struct ttm_tt *ttm) { struct address_space *swap_space; struct file *swap_storage; @@ -271,7 +271,7 @@ int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm) return ret; }
-static void ttm_tt_add_mapping(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +static void ttm_tt_add_mapping(struct ttm_device *bdev, struct ttm_tt *ttm) { pgoff_t i;
@@ -282,7 +282,7 @@ static void ttm_tt_add_mapping(struct ttm_bo_device *bdev, struct ttm_tt *ttm) ttm->pages[i]->mapping = bdev->dev_mapping; }
-int ttm_tt_populate(struct ttm_bo_device *bdev, +int ttm_tt_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx) { int ret; @@ -293,8 +293,8 @@ int ttm_tt_populate(struct ttm_bo_device *bdev, if (ttm_tt_is_populated(ttm)) return 0;
- if (bdev->driver->ttm_tt_populate) - ret = bdev->driver->ttm_tt_populate(bdev, ttm, ctx); + if (bdev->funcs->ttm_tt_populate) + ret = bdev->funcs->ttm_tt_populate(bdev, ttm, ctx); else ret = ttm_pool_alloc(&bdev->pool, ttm, ctx); if (ret) @@ -328,15 +328,15 @@ static void ttm_tt_clear_mapping(struct ttm_tt *ttm) } }
-void ttm_tt_unpopulate(struct ttm_bo_device *bdev, +void ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm) { if (!ttm_tt_is_populated(ttm)) return;
ttm_tt_clear_mapping(ttm); - if (bdev->driver->ttm_tt_unpopulate) - bdev->driver->ttm_tt_unpopulate(bdev, ttm); + if (bdev->funcs->ttm_tt_unpopulate) + bdev->funcs->ttm_tt_unpopulate(bdev, ttm); else ttm_pool_free(&bdev->pool, ttm); ttm->page_flags &= ~TTM_PAGE_FLAG_PRIV_POPULATED; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c index 118db24eb756..3a438ae4d3f4 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c @@ -466,13 +466,13 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, dma_resv_assert_held(src->base.resv);
if (!ttm_tt_is_populated(dst->ttm)) { - ret = dst->bdev->driver->ttm_tt_populate(dst->bdev, dst->ttm, &ctx); + ret = dst->bdev->funcs->ttm_tt_populate(dst->bdev, dst->ttm, &ctx); if (ret) return ret; }
if (!ttm_tt_is_populated(src->ttm)) { - ret = src->bdev->driver->ttm_tt_populate(src->bdev, src->ttm, &ctx); + ret = src->bdev->funcs->ttm_tt_populate(src->bdev, src->ttm, &ctx); if (ret) return ret; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index ab0844b47d4d..6b3bfd8c678a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -545,7 +545,7 @@ int vmw_bo_init(struct vmw_private *dev_priv, void (*bo_free)(struct ttm_buffer_object *bo)) { struct ttm_operation_ctx ctx = { interruptible, false }; - struct ttm_bo_device *bdev = &dev_priv->bdev; + struct ttm_device *bdev = &dev_priv->bdev; size_t acc_size; int ret; bool user = (bo_free == &vmw_user_bo_destroy); @@ -1058,7 +1058,7 @@ int vmw_user_bo_reference(struct ttm_object_file *tfile, void vmw_bo_fence_single(struct ttm_buffer_object *bo, struct vmw_fence_obj *fence) { - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev;
struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index eb997f4678de..b454d80c273e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -884,12 +884,12 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id) drm_vma_offset_manager_init(&dev_priv->vma_manager, DRM_FILE_PAGE_OFFSET_START, DRM_FILE_PAGE_OFFSET_SIZE); - ret = ttm_bo_device_init(&dev_priv->bdev, &vmw_bo_driver, - dev_priv->drm.dev, - dev_priv->drm.anon_inode->i_mapping, - &dev_priv->vma_manager, - dev_priv->map_mode == vmw_dma_alloc_coherent, - false); + ret = ttm_device_init(&dev_priv->bdev, &vmw_bo_driver, + dev_priv->drm.dev, + dev_priv->drm.anon_inode->i_mapping, + &dev_priv->vma_manager, + dev_priv->map_mode == vmw_dma_alloc_coherent, + false); if (unlikely(ret != 0)) { DRM_ERROR("Failed initializing TTM buffer object driver.\n"); goto out_no_bdev; @@ -1006,7 +1006,7 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id) vmw_gmrid_man_fini(dev_priv, VMW_PL_GMR); vmw_vram_manager_fini(dev_priv); out_no_vram: - (void)ttm_bo_device_release(&dev_priv->bdev); + ttm_device_fini(&dev_priv->bdev); out_no_bdev: vmw_fence_manager_takedown(dev_priv->fman); out_no_fman: @@ -1053,7 +1053,7 @@ static void vmw_driver_unload(struct drm_device *dev) if (dev_priv->has_mob) vmw_gmrid_man_fini(dev_priv, VMW_PL_MOB); vmw_vram_manager_fini(dev_priv); - (void) ttm_bo_device_release(&dev_priv->bdev); + ttm_device_fini(&dev_priv->bdev); drm_vma_offset_manager_destroy(&dev_priv->vma_manager); vmw_release_device_late(dev_priv); vmw_fence_manager_takedown(dev_priv->fman); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 336f5086ca26..e65b00f8336d 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -484,7 +484,7 @@ enum vmw_sm_type {
struct vmw_private { struct drm_device drm; - struct ttm_bo_device bdev; + struct ttm_device bdev;
struct vmw_fifo_state fifo;
@@ -999,7 +999,7 @@ extern struct ttm_placement vmw_evictable_placement; extern struct ttm_placement vmw_srf_placement; extern struct ttm_placement vmw_mob_placement; extern struct ttm_placement vmw_nonfixed_placement; -extern struct ttm_bo_driver vmw_bo_driver; +extern struct ttm_device_funcs vmw_bo_driver; extern const struct vmw_sg_table * vmw_bo_sg_table(struct ttm_buffer_object *bo); extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index c4df51a2a926..c3a724e37104 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -856,7 +856,7 @@ void vmw_query_move_notify(struct ttm_buffer_object *bo, struct ttm_resource *mem) { struct vmw_buffer_object *dx_query_mob; - struct ttm_bo_device *bdev = bo->bdev; + struct ttm_device *bdev = bo->bdev; struct vmw_private *dev_priv;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c index 6a44567e4ba5..d1bfa59579f1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c @@ -483,7 +483,7 @@ const struct vmw_sg_table *vmw_bo_sg_table(struct ttm_buffer_object *bo) }
-static int vmw_ttm_bind(struct ttm_bo_device *bdev, +static int vmw_ttm_bind(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem) { struct vmw_ttm_tt *vmw_be = @@ -527,7 +527,7 @@ static int vmw_ttm_bind(struct ttm_bo_device *bdev, return ret; }
-static void vmw_ttm_unbind(struct ttm_bo_device *bdev, +static void vmw_ttm_unbind(struct ttm_device *bdev, struct ttm_tt *ttm) { struct vmw_ttm_tt *vmw_be = @@ -553,7 +553,7 @@ static void vmw_ttm_unbind(struct ttm_bo_device *bdev, }
-static void vmw_ttm_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm) +static void vmw_ttm_destroy(struct ttm_device *bdev, struct ttm_tt *ttm) { struct vmw_ttm_tt *vmw_be = container_of(ttm, struct vmw_ttm_tt, dma_ttm); @@ -573,7 +573,7 @@ static void vmw_ttm_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm) }
-static int vmw_ttm_populate(struct ttm_bo_device *bdev, +static int vmw_ttm_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx) { /* TODO: maybe completely drop this ? */ @@ -583,7 +583,7 @@ static int vmw_ttm_populate(struct ttm_bo_device *bdev, return ttm_pool_alloc(&bdev->pool, ttm, ctx); }
-static void vmw_ttm_unpopulate(struct ttm_bo_device *bdev, +static void vmw_ttm_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm) { struct vmw_ttm_tt *vmw_tt = container_of(ttm, struct vmw_ttm_tt, @@ -640,7 +640,7 @@ static int vmw_verify_access(struct ttm_buffer_object *bo, struct file *filp) return vmw_user_bo_verify_access(bo, tfile); }
-static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem) +static int vmw_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
@@ -744,7 +744,7 @@ vmw_delete_mem_notify(struct ttm_buffer_object *bo) vmw_move_notify(bo, false, NULL); }
-struct ttm_bo_driver vmw_bo_driver = { +struct ttm_device_funcs vmw_bo_driver = { .ttm_tt_create = &vmw_ttm_tt_create, .ttm_tt_populate = &vmw_ttm_populate, .ttm_tt_unpopulate = &vmw_ttm_unpopulate, diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index a4bac02249c2..288055d397d9 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -172,19 +172,19 @@ struct drm_vram_mm { uint64_t vram_base; size_t vram_size;
- struct ttm_bo_device bdev; + struct ttm_device bdev; };
/** * drm_vram_mm_of_bdev() - \ - Returns the container of type &struct ttm_bo_device for field bdev. + Returns the container of type &struct ttm_device for field bdev. * @bdev: the TTM BO device * * Returns: * The containing instance of &struct drm_vram_mm */ static inline struct drm_vram_mm *drm_vram_mm_of_bdev( - struct ttm_bo_device *bdev) + struct ttm_device *bdev) { return container_of(bdev, struct drm_vram_mm, bdev); } diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index e17be324d95f..62734db0b421 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -44,9 +44,9 @@
#include "ttm_resource.h"
-struct ttm_bo_global; +struct ttm_global;
-struct ttm_bo_device; +struct ttm_device;
struct dma_buf_map;
@@ -122,7 +122,7 @@ struct ttm_buffer_object { * Members constant at init. */
- struct ttm_bo_device *bdev; + struct ttm_device *bdev; enum ttm_bo_type type; void (*destroy) (struct ttm_buffer_object *); size_t acc_size; @@ -313,7 +313,7 @@ void ttm_bo_put(struct ttm_buffer_object *bo); * @bulk: optional bulk move structure to remember BO positions * * Move this BO to the tail of all lru lists used to lookup and reserve an - * object. This function must be called with struct ttm_bo_global::lru_lock + * object. This function must be called with struct ttm_global::lru_lock * held, and is used to make a BO less likely to be considered for eviction. */ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo, @@ -326,7 +326,7 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo, * @bulk: bulk move structure * * Bulk move BOs to the LRU tail, only valid to use when driver makes sure that - * BO order never changes. Should be called with ttm_bo_global::lru_lock held. + * BO order never changes. Should be called with ttm_global::lru_lock held. */ void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk);
@@ -337,14 +337,14 @@ void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk); * Returns * True if the workqueue was queued at the time */ -int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev); +int ttm_bo_lock_delayed_workqueue(struct ttm_device *bdev);
/** * ttm_bo_unlock_delayed_workqueue * * Allows the delayed workqueue to run. */ -void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched); +void ttm_bo_unlock_delayed_workqueue(struct ttm_device *bdev, int resched);
/** * ttm_bo_eviction_valuable @@ -357,14 +357,14 @@ void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched); bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, const struct ttm_place *place);
-size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, +size_t ttm_bo_dma_acc_size(struct ttm_device *bdev, unsigned long bo_size, unsigned struct_size);
/** * ttm_bo_init_reserved * - * @bdev: Pointer to a ttm_bo_device struct. + * @bdev: Pointer to a ttm_device struct. * @bo: Pointer to a ttm_buffer_object to be initialized. * @size: Requested size of buffer object. * @type: Requested type of buffer object. @@ -396,7 +396,7 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources. */
-int ttm_bo_init_reserved(struct ttm_bo_device *bdev, +int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo, size_t size, enum ttm_bo_type type, struct ttm_placement *placement, @@ -409,7 +409,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, /** * ttm_bo_init * - * @bdev: Pointer to a ttm_bo_device struct. + * @bdev: Pointer to a ttm_device struct. * @bo: Pointer to a ttm_buffer_object to be initialized. * @size: Requested size of buffer object. * @type: Requested type of buffer object. @@ -443,7 +443,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, * -EINVAL: Invalid placement flags. * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources. */ -int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo, +int ttm_bo_init(struct ttm_device *bdev, struct ttm_buffer_object *bo, size_t size, enum ttm_bo_type type, struct ttm_placement *placement, uint32_t page_alignment, bool interrubtible, size_t acc_size, @@ -537,18 +537,18 @@ int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo); * * @filp: filp as input from the mmap method. * @vma: vma as input from the mmap method. - * @bdev: Pointer to the ttm_bo_device with the address space manager. + * @bdev: Pointer to the ttm_device with the address space manager. * * This function is intended to be called by the device mmap method. * if the device address space is to be backed by the bo manager. */ int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, - struct ttm_bo_device *bdev); + struct ttm_device *bdev);
/** * ttm_bo_io * - * @bdev: Pointer to the struct ttm_bo_device. + * @bdev: Pointer to the struct ttm_device. * @filp: Pointer to the struct file attempting to read / write. * @wbuf: User-space pointer to address of buffer to write. NULL on read. * @rbuf: User-space pointer to address of buffer to read into. @@ -565,7 +565,7 @@ int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, * the function may return -ERESTARTSYS if * interrupted by a signal. */ -ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp, +ssize_t ttm_bo_io(struct ttm_device *bdev, struct file *filp, const char __user *wbuf, char __user *rbuf, size_t count, loff_t *f_pos, bool write);
@@ -617,7 +617,7 @@ static inline void ttm_bo_unpin(struct ttm_buffer_object *bo) --bo->pin_count; }
-int ttm_mem_evict_first(struct ttm_bo_device *bdev, +int ttm_mem_evict_first(struct ttm_device *bdev, struct ttm_resource_manager *man, const struct ttm_place *place, struct ttm_operation_ctx *ctx, @@ -642,5 +642,6 @@ void ttm_bo_vm_close(struct vm_area_struct *vma);
int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr, void *buf, int len, int write); +bool ttm_bo_delayed_delete(struct ttm_device *bdev, bool remove_all);
#endif diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 423348414c59..1c9bf993e252 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -37,301 +37,14 @@ #include <linux/spinlock.h> #include <linux/dma-resv.h>
+#include <drm/ttm/ttm_device.h> + #include "ttm_bo_api.h" #include "ttm_memory.h" #include "ttm_placement.h" #include "ttm_tt.h" #include "ttm_pool.h"
-/** - * struct ttm_bo_driver - * - * @create_ttm_backend_entry: Callback to create a struct ttm_backend. - * @evict_flags: Callback to obtain placement flags when a buffer is evicted. - * @move: Callback for a driver to hook in accelerated functions to - * move a buffer. - * If set to NULL, a potentially slow memcpy() move is used. - */ - -struct ttm_bo_driver { - /** - * ttm_tt_create - * - * @bo: The buffer object to create the ttm for. - * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags. - * - * Create a struct ttm_tt to back data with system memory pages. - * No pages are actually allocated. - * Returns: - * NULL: Out of memory. - */ - struct ttm_tt *(*ttm_tt_create)(struct ttm_buffer_object *bo, - uint32_t page_flags); - - /** - * ttm_tt_populate - * - * @ttm: The struct ttm_tt to contain the backing pages. - * - * Allocate all backing pages - * Returns: - * -ENOMEM: Out of memory. - */ - int (*ttm_tt_populate)(struct ttm_bo_device *bdev, - struct ttm_tt *ttm, - struct ttm_operation_ctx *ctx); - - /** - * ttm_tt_unpopulate - * - * @ttm: The struct ttm_tt to contain the backing pages. - * - * Free all backing page - */ - void (*ttm_tt_unpopulate)(struct ttm_bo_device *bdev, struct ttm_tt *ttm); - - /** - * ttm_tt_destroy - * - * @bdev: Pointer to a ttm device - * @ttm: Pointer to a struct ttm_tt. - * - * Destroy the backend. This will be call back from ttm_tt_destroy so - * don't call ttm_tt_destroy from the callback or infinite loop. - */ - void (*ttm_tt_destroy)(struct ttm_bo_device *bdev, struct ttm_tt *ttm); - - /** - * struct ttm_bo_driver member eviction_valuable - * - * @bo: the buffer object to be evicted - * @place: placement we need room for - * - * Check with the driver if it is valuable to evict a BO to make room - * for a certain placement. - */ - bool (*eviction_valuable)(struct ttm_buffer_object *bo, - const struct ttm_place *place); - /** - * struct ttm_bo_driver member evict_flags: - * - * @bo: the buffer object to be evicted - * - * Return the bo flags for a buffer which is not mapped to the hardware. - * These will be placed in proposed_flags so that when the move is - * finished, they'll end up in bo->mem.flags - * This should not cause multihop evictions, and the core will warn - * if one is proposed. - */ - - void (*evict_flags)(struct ttm_buffer_object *bo, - struct ttm_placement *placement); - - /** - * struct ttm_bo_driver member move: - * - * @bo: the buffer to move - * @evict: whether this motion is evicting the buffer from - * the graphics address space - * @ctx: context for this move with parameters - * @new_mem: the new memory region receiving the buffer - @ @hop: placement for driver directed intermediate hop - * - * Move a buffer between two memory regions. - * Returns errno -EMULTIHOP if driver requests a hop - */ - int (*move)(struct ttm_buffer_object *bo, bool evict, - struct ttm_operation_ctx *ctx, - struct ttm_resource *new_mem, - struct ttm_place *hop); - - /** - * struct ttm_bo_driver_member verify_access - * - * @bo: Pointer to a buffer object. - * @filp: Pointer to a struct file trying to access the object. - * - * Called from the map / write / read methods to verify that the - * caller is permitted to access the buffer object. - * This member may be set to NULL, which will refuse this kind of - * access for all buffer objects. - * This function should return 0 if access is granted, -EPERM otherwise. - */ - int (*verify_access)(struct ttm_buffer_object *bo, - struct file *filp); - - /** - * Hook to notify driver about a resource delete. - */ - void (*delete_mem_notify)(struct ttm_buffer_object *bo); - - /** - * notify the driver that we're about to swap out this bo - */ - void (*swap_notify)(struct ttm_buffer_object *bo); - - /** - * Driver callback on when mapping io memory (for bo_move_memcpy - * for instance). TTM will take care to call io_mem_free whenever - * the mapping is not use anymore. io_mem_reserve & io_mem_free - * are balanced. - */ - int (*io_mem_reserve)(struct ttm_bo_device *bdev, - struct ttm_resource *mem); - void (*io_mem_free)(struct ttm_bo_device *bdev, - struct ttm_resource *mem); - - /** - * Return the pfn for a given page_offset inside the BO. - * - * @bo: the BO to look up the pfn for - * @page_offset: the offset to look up - */ - unsigned long (*io_mem_pfn)(struct ttm_buffer_object *bo, - unsigned long page_offset); - - /** - * Read/write memory buffers for ptrace access - * - * @bo: the BO to access - * @offset: the offset from the start of the BO - * @buf: pointer to source/destination buffer - * @len: number of bytes to copy - * @write: whether to read (0) from or write (non-0) to BO - * - * If successful, this function should return the number of - * bytes copied, -EIO otherwise. If the number of bytes - * returned is < len, the function may be called again with - * the remainder of the buffer to copy. - */ - int (*access_memory)(struct ttm_buffer_object *bo, unsigned long offset, - void *buf, int len, int write); - - /** - * struct ttm_bo_driver member del_from_lru_notify - * - * @bo: the buffer object deleted from lru - * - * notify driver that a BO was deleted from LRU. - */ - void (*del_from_lru_notify)(struct ttm_buffer_object *bo); - - /** - * Notify the driver that we're about to release a BO - * - * @bo: BO that is about to be released - * - * Gives the driver a chance to do any cleanup, including - * adding fences that may force a delayed delete - */ - void (*release_notify)(struct ttm_buffer_object *bo); -}; - -/** - * struct ttm_bo_global - Buffer object driver global data. - * - * @dummy_read_page: Pointer to a dummy page used for mapping requests - * of unpopulated pages. - * @shrink: A shrink callback object used for buffer object swap. - * @device_list_mutex: Mutex protecting the device list. - * This mutex is held while traversing the device list for pm options. - * @lru_lock: Spinlock protecting the bo subsystem lru lists. - * @device_list: List of buffer object devices. - * @swap_lru: Lru list of buffer objects used for swapping. - */ - -extern struct ttm_bo_global { - - /** - * Constant after init. - */ - - struct kobject kobj; - struct page *dummy_read_page; - spinlock_t lru_lock; - - /** - * Protected by ttm_global_mutex. - */ - struct list_head device_list; - - /** - * Protected by the lru_lock. - */ - struct list_head swap_lru[TTM_MAX_BO_PRIORITY]; - - /** - * Internal protection. - */ - atomic_t bo_count; -} ttm_bo_glob; - - -#define TTM_NUM_MEM_TYPES 8 - -/** - * struct ttm_bo_device - Buffer object driver device-specific data. - * - * @driver: Pointer to a struct ttm_bo_driver struct setup by the driver. - * @man: An array of resource_managers. - * @vma_manager: Address space manager (pointer) - * lru_lock: Spinlock that protects the buffer+device lru lists and - * ddestroy lists. - * @dev_mapping: A pointer to the struct address_space representing the - * device address space. - * @wq: Work queue structure for the delayed delete workqueue. - * - */ - -struct ttm_bo_device { - - /* - * Constant after bo device init / atomic. - */ - struct list_head device_list; - struct ttm_bo_driver *driver; - /* - * access via ttm_manager_type. - */ - struct ttm_resource_manager sysman; - struct ttm_resource_manager *man_drv[TTM_NUM_MEM_TYPES]; - /* - * Protected by internal locks. - */ - struct drm_vma_offset_manager *vma_manager; - struct ttm_pool pool; - - /* - * Protected by the global:lru lock. - */ - struct list_head ddestroy; - - /* - * Protected by load / firstopen / lastclose /unload sync. - */ - - struct address_space *dev_mapping; - - /* - * Internal protection. - */ - - struct delayed_work wq; -}; - -static inline struct ttm_resource_manager *ttm_manager_type(struct ttm_bo_device *bdev, - int mem_type) -{ - return bdev->man_drv[mem_type]; -} - -static inline void ttm_set_driver_manager(struct ttm_bo_device *bdev, - int type, - struct ttm_resource_manager *manager) -{ - bdev->man_drv[type] = manager; -} - /** * struct ttm_lru_bulk_move_pos * @@ -388,31 +101,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, struct ttm_resource *mem, struct ttm_operation_ctx *ctx);
-int ttm_bo_device_release(struct ttm_bo_device *bdev); - -/** - * ttm_bo_device_init - * - * @bdev: A pointer to a struct ttm_bo_device to initialize. - * @glob: A pointer to an initialized struct ttm_bo_global. - * @driver: A pointer to a struct ttm_bo_driver set up by the caller. - * @dev: The core kernel device pointer for DMA mappings and allocations. - * @mapping: The address space to use for this bo. - * @vma_manager: A pointer to a vma manager. - * @use_dma_alloc: If coherent DMA allocation API should be used. - * @use_dma32: If we should use GFP_DMA32 for device memory allocations. - * - * Initializes a struct ttm_bo_device: - * Returns: - * !0: Failure. - */ -int ttm_bo_device_init(struct ttm_bo_device *bdev, - struct ttm_bo_driver *driver, - struct device *dev, - struct address_space *mapping, - struct drm_vma_offset_manager *vma_manager, - bool use_dma_alloc, bool use_dma32); - /** * ttm_bo_unmap_virtual * @@ -494,9 +182,9 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, static inline void ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo) { - spin_lock(&ttm_bo_glob.lru_lock); + spin_lock(&ttm_glob.lru_lock); ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL); - spin_unlock(&ttm_bo_glob.lru_lock); + spin_unlock(&ttm_glob.lru_lock); }
static inline void ttm_bo_assign_mem(struct ttm_buffer_object *bo, @@ -538,9 +226,9 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) /* * ttm_bo_util.c */ -int ttm_mem_io_reserve(struct ttm_bo_device *bdev, +int ttm_mem_io_reserve(struct ttm_device *bdev, struct ttm_resource *mem); -void ttm_mem_io_free(struct ttm_bo_device *bdev, +void ttm_mem_io_free(struct ttm_device *bdev, struct ttm_resource *mem);
/** @@ -631,7 +319,7 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo); * Initialise a generic range manager for the selected memory type. * The range manager is installed for this device in the type slot. */ -int ttm_range_man_init(struct ttm_bo_device *bdev, +int ttm_range_man_init(struct ttm_device *bdev, unsigned type, bool use_tt, unsigned long p_size);
@@ -643,7 +331,7 @@ int ttm_range_man_init(struct ttm_bo_device *bdev, * * Remove the generic range manager from a slot and tear it down. */ -int ttm_range_man_fini(struct ttm_bo_device *bdev, +int ttm_range_man_fini(struct ttm_device *bdev, unsigned type);
#endif diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h new file mode 100644 index 000000000000..7bc8bb797161 --- /dev/null +++ b/include/drm/ttm/ttm_device.h @@ -0,0 +1,319 @@ +/* + * Copyright 2020 Advanced Micro Devices, Inc. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Christian König + */ + +#ifndef _TTM_DEVICE_H_ +#define _TTM_DEVICE_H_ + +#include <linux/types.h> +#include <linux/workqueue.h> +#include <drm/ttm/ttm_resource.h> +#include <drm/ttm/ttm_pool.h> + +#define TTM_NUM_MEM_TYPES 8 + +struct ttm_device; +struct ttm_placement; +struct ttm_buffer_object; +struct ttm_operation_ctx; + +/** + * struct ttm_global - Buffer object driver global data. + * + * @dummy_read_page: Pointer to a dummy page used for mapping requests + * of unpopulated pages. + * @shrink: A shrink callback object used for buffer object swap. + * @device_list_mutex: Mutex protecting the device list. + * This mutex is held while traversing the device list for pm options. + * @lru_lock: Spinlock protecting the bo subsystem lru lists. + * @device_list: List of buffer object devices. + * @swap_lru: Lru list of buffer objects used for swapping. + */ +extern struct ttm_global { + + /** + * Constant after init. + */ + + struct kobject kobj; + struct page *dummy_read_page; + spinlock_t lru_lock; + + /** + * Protected by ttm_global_mutex. + */ + struct list_head device_list; + + /** + * Protected by the lru_lock. + */ + struct list_head swap_lru[TTM_MAX_BO_PRIORITY]; + + /** + * Internal protection. + */ + atomic_t bo_count; +} ttm_glob; + +struct ttm_device_funcs { + /** + * ttm_tt_create + * + * @bo: The buffer object to create the ttm for. + * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags. + * + * Create a struct ttm_tt to back data with system memory pages. + * No pages are actually allocated. + * Returns: + * NULL: Out of memory. + */ + struct ttm_tt *(*ttm_tt_create)(struct ttm_buffer_object *bo, + uint32_t page_flags); + + /** + * ttm_tt_populate + * + * @ttm: The struct ttm_tt to contain the backing pages. + * + * Allocate all backing pages + * Returns: + * -ENOMEM: Out of memory. + */ + int (*ttm_tt_populate)(struct ttm_device *bdev, + struct ttm_tt *ttm, + struct ttm_operation_ctx *ctx); + + /** + * ttm_tt_unpopulate + * + * @ttm: The struct ttm_tt to contain the backing pages. + * + * Free all backing page + */ + void (*ttm_tt_unpopulate)(struct ttm_device *bdev, + struct ttm_tt *ttm); + + /** + * ttm_tt_destroy + * + * @bdev: Pointer to a ttm device + * @ttm: Pointer to a struct ttm_tt. + * + * Destroy the backend. This will be call back from ttm_tt_destroy so + * don't call ttm_tt_destroy from the callback or infinite loop. + */ + void (*ttm_tt_destroy)(struct ttm_device *bdev, struct ttm_tt *ttm); + + /** + * struct ttm_bo_driver member eviction_valuable + * + * @bo: the buffer object to be evicted + * @place: placement we need room for + * + * Check with the driver if it is valuable to evict a BO to make room + * for a certain placement. + */ + bool (*eviction_valuable)(struct ttm_buffer_object *bo, + const struct ttm_place *place); + /** + * struct ttm_bo_driver member evict_flags: + * + * @bo: the buffer object to be evicted + * + * Return the bo flags for a buffer which is not mapped to the hardware. + * These will be placed in proposed_flags so that when the move is + * finished, they'll end up in bo->mem.flags + * This should not cause multihop evictions, and the core will warn + * if one is proposed. + */ + + void (*evict_flags)(struct ttm_buffer_object *bo, + struct ttm_placement *placement); + + /** + * struct ttm_bo_driver member move: + * + * @bo: the buffer to move + * @evict: whether this motion is evicting the buffer from + * the graphics address space + * @ctx: context for this move with parameters + * @new_mem: the new memory region receiving the buffer + @ @hop: placement for driver directed intermediate hop + * + * Move a buffer between two memory regions. + * Returns errno -EMULTIHOP if driver requests a hop + */ + int (*move)(struct ttm_buffer_object *bo, bool evict, + struct ttm_operation_ctx *ctx, + struct ttm_resource *new_mem, + struct ttm_place *hop); + + /** + * struct ttm_bo_driver_member verify_access + * + * @bo: Pointer to a buffer object. + * @filp: Pointer to a struct file trying to access the object. + * + * Called from the map / write / read methods to verify that the + * caller is permitted to access the buffer object. + * This member may be set to NULL, which will refuse this kind of + * access for all buffer objects. + * This function should return 0 if access is granted, -EPERM otherwise. + */ + int (*verify_access)(struct ttm_buffer_object *bo, + struct file *filp); + + /** + * Hook to notify driver about a resource delete. + */ + void (*delete_mem_notify)(struct ttm_buffer_object *bo); + + /** + * notify the driver that we're about to swap out this bo + */ + void (*swap_notify)(struct ttm_buffer_object *bo); + + /** + * Driver callback on when mapping io memory (for bo_move_memcpy + * for instance). TTM will take care to call io_mem_free whenever + * the mapping is not use anymore. io_mem_reserve & io_mem_free + * are balanced. + */ + int (*io_mem_reserve)(struct ttm_device *bdev, + struct ttm_resource *mem); + void (*io_mem_free)(struct ttm_device *bdev, + struct ttm_resource *mem); + + /** + * Return the pfn for a given page_offset inside the BO. + * + * @bo: the BO to look up the pfn for + * @page_offset: the offset to look up + */ + unsigned long (*io_mem_pfn)(struct ttm_buffer_object *bo, + unsigned long page_offset); + + /** + * Read/write memory buffers for ptrace access + * + * @bo: the BO to access + * @offset: the offset from the start of the BO + * @buf: pointer to source/destination buffer + * @len: number of bytes to copy + * @write: whether to read (0) from or write (non-0) to BO + * + * If successful, this function should return the number of + * bytes copied, -EIO otherwise. If the number of bytes + * returned is < len, the function may be called again with + * the remainder of the buffer to copy. + */ + int (*access_memory)(struct ttm_buffer_object *bo, unsigned long offset, + void *buf, int len, int write); + + /** + * struct ttm_bo_driver member del_from_lru_notify + * + * @bo: the buffer object deleted from lru + * + * notify driver that a BO was deleted from LRU. + */ + void (*del_from_lru_notify)(struct ttm_buffer_object *bo); + + /** + * Notify the driver that we're about to release a BO + * + * @bo: BO that is about to be released + * + * Gives the driver a chance to do any cleanup, including + * adding fences that may force a delayed delete + */ + void (*release_notify)(struct ttm_buffer_object *bo); +}; + +/** + * struct ttm_device - Buffer object driver device-specific data. + * + * @device_list: Our entry in the global device list. + * @funcs: Function table for the device. + * @sysman: Resource manager for the system domain. + * @man_drv: An array of resource_managers. + * @vma_manager: Address space manager. + * @pool: page pool for the device. + * @dev_mapping: A pointer to the struct address_space representing the + * device address space. + * @wq: Work queue structure for the delayed delete workqueue. + */ +struct ttm_device { + /* + * Constant after bo device init + */ + struct list_head device_list; + struct ttm_device_funcs *funcs; + + /* + * Access via ttm_manager_type. + */ + struct ttm_resource_manager sysman; + struct ttm_resource_manager *man_drv[TTM_NUM_MEM_TYPES]; + + /* + * Protected by internal locks. + */ + struct drm_vma_offset_manager *vma_manager; + struct ttm_pool pool; + + /* + * Protected by the global:lru lock. + */ + struct list_head ddestroy; + + /* + * Protected by load / firstopen / lastclose /unload sync. + */ + struct address_space *dev_mapping; + + /* + * Internal protection. + */ + struct delayed_work wq; +}; + +static inline struct ttm_resource_manager * +ttm_manager_type(struct ttm_device *bdev, int mem_type) +{ + return bdev->man_drv[mem_type]; +} + +static inline void ttm_set_driver_manager(struct ttm_device *bdev, int type, + struct ttm_resource_manager *manager) +{ + bdev->man_drv[type] = manager; +} + +int ttm_device_init(struct ttm_device *bdev, struct ttm_device_funcs *funcs, + struct device *dev, struct address_space *mapping, + struct drm_vma_offset_manager *vma_manager, + bool use_dma_alloc, bool use_dma32); +void ttm_device_fini(struct ttm_device *bdev); + +#endif diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index da0ed7e8c915..6164ccf4f308 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -33,7 +33,7 @@
#define TTM_MAX_BO_PRIORITY 4U
-struct ttm_bo_device; +struct ttm_device; struct ttm_resource_manager; struct ttm_resource; struct ttm_place; @@ -233,7 +233,7 @@ void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource *res); void ttm_resource_manager_init(struct ttm_resource_manager *man, unsigned long p_size);
-int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev, +int ttm_resource_manager_evict_all(struct ttm_device *bdev, struct ttm_resource_manager *man);
void ttm_resource_manager_debug(struct ttm_resource_manager *man, diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index 6c8eb9a4de81..0020a0588985 100644 --- a/include/drm/ttm/ttm_tt.h +++ b/include/drm/ttm/ttm_tt.h @@ -118,14 +118,14 @@ void ttm_tt_fini(struct ttm_tt *ttm); * * Unbind, unpopulate and destroy common struct ttm_tt. */ -void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm); +void ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm);
/** * ttm_tt_destroy_common: * * Called from driver to destroy common path. */ -void ttm_tt_destroy_common(struct ttm_bo_device *bdev, struct ttm_tt *ttm); +void ttm_tt_destroy_common(struct ttm_device *bdev, struct ttm_tt *ttm);
/** * ttm_tt_swapin: @@ -135,7 +135,7 @@ void ttm_tt_destroy_common(struct ttm_bo_device *bdev, struct ttm_tt *ttm); * Swap in a previously swap out ttm_tt. */ int ttm_tt_swapin(struct ttm_tt *ttm); -int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm); +int ttm_tt_swapout(struct ttm_device *bdev, struct ttm_tt *ttm);
/** * ttm_tt_populate - allocate pages for a ttm @@ -144,7 +144,7 @@ int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm); * * Calls the driver method to allocate pages for a ttm */ -int ttm_tt_populate(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx); +int ttm_tt_populate(struct ttm_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
/** * ttm_tt_unpopulate - free pages from a ttm @@ -153,7 +153,7 @@ int ttm_tt_populate(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_o * * Calls the driver method to free all pages from a ttm */ -void ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm); +void ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm);
#if IS_ENABLED(CONFIG_AGP) #include <linux/agp_backend.h>