+++ /dev/null
-/*
- * 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/namedb.h>
-#include <core/gpuobj.h>
-#include <core/handle.h>
-
-static struct nvkm_handle *
-nvkm_namedb_lookup(struct nvkm_namedb *namedb, u32 name)
-{
- struct nvkm_handle *handle;
-
- list_for_each_entry(handle, &namedb->list, node) {
- if (handle->name == name)
- return handle;
- }
-
- return NULL;
-}
-
-static struct nvkm_handle *
-nvkm_namedb_lookup_class(struct nvkm_namedb *namedb, u16 oclass)
-{
- struct nvkm_handle *handle;
-
- list_for_each_entry(handle, &namedb->list, node) {
- if (nv_mclass(handle->object) == oclass)
- return handle;
- }
-
- return NULL;
-}
-
-static struct nvkm_handle *
-nvkm_namedb_lookup_vinst(struct nvkm_namedb *namedb, u64 vinst)
-{
- struct nvkm_handle *handle;
-
- list_for_each_entry(handle, &namedb->list, node) {
- if (nv_iclass(handle->object, NV_GPUOBJ_CLASS)) {
- if (nv_gpuobj(handle->object)->addr == vinst)
- return handle;
- }
- }
-
- return NULL;
-}
-
-static struct nvkm_handle *
-nvkm_namedb_lookup_cinst(struct nvkm_namedb *namedb, u32 cinst)
-{
- struct nvkm_handle *handle;
-
- list_for_each_entry(handle, &namedb->list, node) {
- if (nv_iclass(handle->object, NV_GPUOBJ_CLASS)) {
- if (nv_gpuobj(handle->object)->node &&
- nv_gpuobj(handle->object)->node->offset == cinst)
- return handle;
- }
- }
-
- return NULL;
-}
-
-int
-nvkm_namedb_insert(struct nvkm_namedb *namedb, u32 name,
- struct nvkm_object *object,
- struct nvkm_handle *handle)
-{
- int ret = -EEXIST;
- write_lock_irq(&namedb->lock);
- if (!nvkm_namedb_lookup(namedb, name)) {
- nvkm_object_ref(object, &handle->object);
- handle->namedb = namedb;
- list_add(&handle->node, &namedb->list);
- ret = 0;
- }
- write_unlock_irq(&namedb->lock);
- return ret;
-}
-
-void
-nvkm_namedb_remove(struct nvkm_handle *handle)
-{
- struct nvkm_namedb *namedb = handle->namedb;
- struct nvkm_object *object = handle->object;
- write_lock_irq(&namedb->lock);
- list_del(&handle->node);
- write_unlock_irq(&namedb->lock);
- nvkm_object_ref(NULL, &object);
-}
-
-struct nvkm_handle *
-nvkm_namedb_get(struct nvkm_namedb *namedb, u32 name)
-{
- struct nvkm_handle *handle;
- read_lock(&namedb->lock);
- handle = nvkm_namedb_lookup(namedb, name);
- if (handle == NULL)
- read_unlock(&namedb->lock);
- return handle;
-}
-
-struct nvkm_handle *
-nvkm_namedb_get_class(struct nvkm_namedb *namedb, u16 oclass)
-{
- struct nvkm_handle *handle;
- read_lock(&namedb->lock);
- handle = nvkm_namedb_lookup_class(namedb, oclass);
- if (handle == NULL)
- read_unlock(&namedb->lock);
- return handle;
-}
-
-struct nvkm_handle *
-nvkm_namedb_get_vinst(struct nvkm_namedb *namedb, u64 vinst)
-{
- struct nvkm_handle *handle;
- read_lock(&namedb->lock);
- handle = nvkm_namedb_lookup_vinst(namedb, vinst);
- if (handle == NULL)
- read_unlock(&namedb->lock);
- return handle;
-}
-
-struct nvkm_handle *
-nvkm_namedb_get_cinst(struct nvkm_namedb *namedb, u32 cinst)
-{
- struct nvkm_handle *handle;
- read_lock(&namedb->lock);
- handle = nvkm_namedb_lookup_cinst(namedb, cinst);
- if (handle == NULL)
- read_unlock(&namedb->lock);
- return handle;
-}
-
-void
-nvkm_namedb_put(struct nvkm_handle *handle)
-{
- if (handle)
- read_unlock(&handle->namedb->lock);
-}
-
-int
-nvkm_namedb_create_(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, u32 pclass,
- struct nvkm_oclass *sclass, u64 engcls,
- int length, void **pobject)
-{
- struct nvkm_namedb *namedb;
- int ret;
-
- ret = nvkm_parent_create_(parent, engine, oclass, pclass |
- NV_NAMEDB_CLASS, sclass, engcls,
- length, pobject);
- namedb = *pobject;
- if (ret)
- return ret;
-
- rwlock_init(&namedb->lock);
- INIT_LIST_HEAD(&namedb->list);
- return 0;
-}
-
-int
-_nvkm_namedb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
-{
- struct nvkm_namedb *object;
- int ret;
-
- ret = nvkm_namedb_create(parent, engine, oclass, 0, NULL, 0, &object);
- *pobject = nv_object(object);
- if (ret)
- return ret;
-
- return 0;
-}
Code Review / kvmfornfv.git / blobdiff