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-rw-r--r--nvkm/core/object.c334
1 files changed, 0 insertions, 334 deletions
diff --git a/nvkm/core/object.c b/nvkm/core/object.c
deleted file mode 100644
index b160860ed..000000000
--- a/nvkm/core/object.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * Copyright 2012 Red Hat 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: Ben Skeggs
- */
-
-#include <core/object.h>
-#include <core/engine.h>
-
-#ifdef NOUVEAU_OBJECT_MAGIC
-static struct list_head _objlist = LIST_HEAD_INIT(_objlist);
-static DEFINE_SPINLOCK(_objlist_lock);
-#endif
-
-int
-nouveau_object_create_(struct nouveau_object *parent,
- struct nouveau_object *engine,
- struct nouveau_oclass *oclass, u32 pclass,
- int size, void **pobject)
-{
- struct nouveau_object *object;
-
- object = *pobject = kzalloc(size, GFP_KERNEL);
- if (!object)
- return -ENOMEM;
-
- nouveau_object_ref(parent, &object->parent);
- nouveau_object_ref(engine, (struct nouveau_object **)&object->engine);
- object->oclass = oclass;
- object->oclass->handle |= pclass;
- atomic_set(&object->refcount, 1);
- atomic_set(&object->usecount, 0);
-
-#ifdef NOUVEAU_OBJECT_MAGIC
- object->_magic = NOUVEAU_OBJECT_MAGIC;
- spin_lock(&_objlist_lock);
- list_add(&object->list, &_objlist);
- spin_unlock(&_objlist_lock);
-#endif
- return 0;
-}
-
-int
-_nouveau_object_ctor(struct nouveau_object *parent,
- struct nouveau_object *engine,
- struct nouveau_oclass *oclass, void *data, u32 size,
- struct nouveau_object **pobject)
-{
- if (size != 0)
- return -ENOSYS;
- return nouveau_object_create(parent, engine, oclass, 0, pobject);
-}
-
-void
-nouveau_object_destroy(struct nouveau_object *object)
-{
-#ifdef NOUVEAU_OBJECT_MAGIC
- spin_lock(&_objlist_lock);
- list_del(&object->list);
- spin_unlock(&_objlist_lock);
-#endif
- nouveau_object_ref(NULL, (struct nouveau_object **)&object->engine);
- nouveau_object_ref(NULL, &object->parent);
- kfree(object);
-}
-
-int
-nouveau_object_init(struct nouveau_object *object)
-{
- return 0;
-}
-
-int
-nouveau_object_fini(struct nouveau_object *object, bool suspend)
-{
- return 0;
-}
-
-struct nouveau_ofuncs
-nouveau_object_ofuncs = {
- .ctor = _nouveau_object_ctor,
- .dtor = nouveau_object_destroy,
- .init = nouveau_object_init,
- .fini = nouveau_object_fini,
-};
-
-int
-nouveau_object_ctor(struct nouveau_object *parent,
- struct nouveau_object *engine,
- struct nouveau_oclass *oclass, void *data, u32 size,
- struct nouveau_object **pobject)
-{
- struct nouveau_ofuncs *ofuncs = oclass->ofuncs;
- struct nouveau_object *object = NULL;
- int ret;
-
- ret = ofuncs->ctor(parent, engine, oclass, data, size, &object);
- *pobject = object;
- if (ret < 0) {
- if (ret != -ENODEV) {
- nv_error(parent, "failed to create 0x%08x, %d\n",
- oclass->handle, ret);
- }
-
- if (object) {
- ofuncs->dtor(object);
- *pobject = NULL;
- }
-
- return ret;
- }
-
- if (ret == 0) {
- nv_trace(object, "created\n");
- atomic_set(&object->refcount, 1);
- }
-
- return 0;
-}
-
-static void
-nouveau_object_dtor(struct nouveau_object *object)
-{
- nv_trace(object, "destroying\n");
- nv_ofuncs(object)->dtor(object);
-}
-
-void
-nouveau_object_ref(struct nouveau_object *obj, struct nouveau_object **ref)
-{
- if (obj) {
- atomic_inc(&obj->refcount);
- nv_trace(obj, "inc() == %d\n", atomic_read(&obj->refcount));
- }
-
- if (*ref) {
- int dead = atomic_dec_and_test(&(*ref)->refcount);
- nv_trace(*ref, "dec() == %d\n", atomic_read(&(*ref)->refcount));
- if (dead)
- nouveau_object_dtor(*ref);
- }
-
- *ref = obj;
-}
-
-int
-nouveau_object_inc(struct nouveau_object *object)
-{
- int ref = atomic_add_return(1, &object->usecount);
- int ret;
-
- nv_trace(object, "use(+1) == %d\n", atomic_read(&object->usecount));
- if (ref != 1)
- return 0;
-
- nv_trace(object, "initialising...\n");
- if (object->parent) {
- ret = nouveau_object_inc(object->parent);
- if (ret) {
- nv_error(object, "parent failed, %d\n", ret);
- goto fail_parent;
- }
- }
-
- if (object->engine) {
- mutex_lock(&nv_subdev(object->engine)->mutex);
- ret = nouveau_object_inc(&object->engine->subdev.object);
- mutex_unlock(&nv_subdev(object->engine)->mutex);
- if (ret) {
- nv_error(object, "engine failed, %d\n", ret);
- goto fail_engine;
- }
- }
-
- ret = nv_ofuncs(object)->init(object);
- atomic_set(&object->usecount, 1);
- if (ret) {
- nv_error(object, "init failed, %d\n", ret);
- goto fail_self;
- }
-
- nv_trace(object, "initialised\n");
- return 0;
-
-fail_self:
- if (object->engine) {
- mutex_lock(&nv_subdev(object->engine)->mutex);
- nouveau_object_dec(&object->engine->subdev.object, false);
- mutex_unlock(&nv_subdev(object->engine)->mutex);
- }
-fail_engine:
- if (object->parent)
- nouveau_object_dec(object->parent, false);
-fail_parent:
- atomic_dec(&object->usecount);
- return ret;
-}
-
-static int
-nouveau_object_decf(struct nouveau_object *object)
-{
- int ret;
-
- nv_trace(object, "stopping...\n");
-
- ret = nv_ofuncs(object)->fini(object, false);
- atomic_set(&object->usecount, 0);
- if (ret)
- nv_warn(object, "failed fini, %d\n", ret);
-
- if (object->engine) {
- mutex_lock(&nv_subdev(object->engine)->mutex);
- nouveau_object_dec(&object->engine->subdev.object, false);
- mutex_unlock(&nv_subdev(object->engine)->mutex);
- }
-
- if (object->parent)
- nouveau_object_dec(object->parent, false);
-
- nv_trace(object, "stopped\n");
- return 0;
-}
-
-static int
-nouveau_object_decs(struct nouveau_object *object)
-{
- int ret, rret;
-
- nv_trace(object, "suspending...\n");
-
- ret = nv_ofuncs(object)->fini(object, true);
- atomic_set(&object->usecount, 0);
- if (ret) {
- nv_error(object, "failed suspend, %d\n", ret);
- return ret;
- }
-
- if (object->engine) {
- mutex_lock(&nv_subdev(object->engine)->mutex);
- ret = nouveau_object_dec(&object->engine->subdev.object, true);
- mutex_unlock(&nv_subdev(object->engine)->mutex);
- if (ret) {
- nv_warn(object, "engine failed suspend, %d\n", ret);
- goto fail_engine;
- }
- }
-
- if (object->parent) {
- ret = nouveau_object_dec(object->parent, true);
- if (ret) {
- nv_warn(object, "parent failed suspend, %d\n", ret);
- goto fail_parent;
- }
- }
-
- nv_trace(object, "suspended\n");
- return 0;
-
-fail_parent:
- if (object->engine) {
- mutex_lock(&nv_subdev(object->engine)->mutex);
- rret = nouveau_object_inc(&object->engine->subdev.object);
- mutex_unlock(&nv_subdev(object->engine)->mutex);
- if (rret)
- nv_fatal(object, "engine failed to reinit, %d\n", rret);
- }
-
-fail_engine:
- rret = nv_ofuncs(object)->init(object);
- if (rret)
- nv_fatal(object, "failed to reinit, %d\n", rret);
-
- return ret;
-}
-
-int
-nouveau_object_dec(struct nouveau_object *object, bool suspend)
-{
- int ref = atomic_add_return(-1, &object->usecount);
- int ret;
-
- nv_trace(object, "use(-1) == %d\n", atomic_read(&object->usecount));
-
- if (ref == 0) {
- if (suspend)
- ret = nouveau_object_decs(object);
- else
- ret = nouveau_object_decf(object);
-
- if (ret) {
- atomic_inc(&object->usecount);
- return ret;
- }
- }
-
- return 0;
-}
-
-void
-nouveau_object_debug(void)
-{
-#ifdef NOUVEAU_OBJECT_MAGIC
- struct nouveau_object *object;
- if (!list_empty(&_objlist)) {
- nv_fatal(NULL, "*******************************************\n");
- nv_fatal(NULL, "* AIIIII! object(s) still exist!!!\n");
- nv_fatal(NULL, "*******************************************\n");
- list_for_each_entry(object, &_objlist, list) {
- nv_fatal(object, "%p/%p/%d/%d\n",
- object->parent, object->engine,
- atomic_read(&object->refcount),
- atomic_read(&object->usecount));
- }
- }
-#endif
-}