4 files changed, 129 insertions, 243 deletions

diff --git a/drivers/gpu/drm/nouveau/nvif/client.c b/drivers/gpu/drm/nouveau/nvif/client.c
index 80b96844221e..1ee9294eca2e 100644
--- a/drivers/gpu/drm/nouveau/nvif/client.c
+++ b/drivers/gpu/drm/nouveau/nvif/client.c
@@ -29,29 +29,29 @@
 int
 nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
 {
-	return client->driver->ioctl(client->base.priv, client->super, data, size, NULL);
+	return client->driver->ioctl(client->object.priv, client->super, data, size, NULL);
 }
 
 int
 nvif_client_suspend(struct nvif_client *client)
 {
-	return client->driver->suspend(client->base.priv);
+	return client->driver->suspend(client->object.priv);
 }
 
 int
 nvif_client_resume(struct nvif_client *client)
 {
-	return client->driver->resume(client->base.priv);
+	return client->driver->resume(client->object.priv);
 }
 
 void
 nvif_client_fini(struct nvif_client *client)
 {
 	if (client->driver) {
-		client->driver->fini(client->base.priv);
+		client->driver->fini(client->object.priv);
 		client->driver = NULL;
-		client->base.parent = NULL;
-		nvif_object_fini(&client->base);
+		client->object.client = NULL;
+		nvif_object_fini(&client->object);
 	}
 }
 
@@ -68,63 +68,39 @@ nvif_drivers[] = {
 };
 
 int
-nvif_client_init(void (*dtor)(struct nvif_client *), const char *driver,
-		 const char *name, u64 device, const char *cfg, const char *dbg,
-		 struct nvif_client *client)
+nvif_client_init(const char *driver, const char *name, u64 device,
+		 const char *cfg, const char *dbg, struct nvif_client *client)
 {
+	struct {
+		struct nvif_ioctl_v0 ioctl;
+		struct nvif_ioctl_nop_v0 nop;
+	} args = {};
 	int ret, i;
 
-	ret = nvif_object_init(NULL, (void*)dtor, 0, 0, NULL, 0, &client->base);
+	ret = nvif_object_init(NULL, 0, 0, NULL, 0, &client->object);
 	if (ret)
 		return ret;
 
-	client->base.parent = &client->base;
-	client->base.handle = ~0;
-	client->object = &client->base;
+	client->object.client = client;
+	client->object.handle = ~0;
+	client->route = NVIF_IOCTL_V0_ROUTE_NVIF;
 	client->super = true;
 
 	for (i = 0, ret = -EINVAL; (client->driver = nvif_drivers[i]); i++) {
 		if (!driver || !strcmp(client->driver->name, driver)) {
 			ret = client->driver->init(name, device, cfg, dbg,
-						  &client->base.priv);
+						  &client->object.priv);
 			if (!ret || driver)
 				break;
 		}
 	}
 
+	if (ret == 0) {
+		ret = nvif_client_ioctl(client, &args, sizeof(args));
+		client->version = args.nop.version;
+	}
+
 	if (ret)
 		nvif_client_fini(client);
 	return ret;
 }
-
-static void
-nvif_client_del(struct nvif_client *client)
-{
-	nvif_client_fini(client);
-	kfree(client);
-}
-
-int
-nvif_client_new(const char *driver, const char *name, u64 device,
-		const char *cfg, const char *dbg,
-		struct nvif_client **pclient)
-{
-	struct nvif_client *client = kzalloc(sizeof(*client), GFP_KERNEL);
-	if (client) {
-		int ret = nvif_client_init(nvif_client_del, driver, name,
-					   device, cfg, dbg, client);
-		if (ret) {
-			kfree(client);
-			client = NULL;
-		}
-		*pclient = client;
-		return ret;
-	}
-	return -ENOMEM;
-}
-
-void
-nvif_client_ref(struct nvif_client *client, struct nvif_client **pclient)
-{
-	nvif_object_ref(&client->base, (struct nvif_object **)pclient);
-}
diff --git a/drivers/gpu/drm/nouveau/nvif/device.c b/drivers/gpu/drm/nouveau/nvif/device.c
index 6f72244c52cd..252d8c33215b 100644
--- a/drivers/gpu/drm/nouveau/nvif/device.c
+++ b/drivers/gpu/drm/nouveau/nvif/device.c
@@ -24,55 +24,32 @@
 
 #include <nvif/device.h>
 
+u64
+nvif_device_time(struct nvif_device *device)
+{
+	struct nv_device_time_v0 args = {};
+	int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME,
+				   &args, sizeof(args));
+	WARN_ON_ONCE(ret != 0);
+	return args.time;
+}
+
 void
 nvif_device_fini(struct nvif_device *device)
 {
-	nvif_object_fini(&device->base);
+	nvif_object_fini(&device->object);
 }
 
 int
-nvif_device_init(struct nvif_object *parent, void (*dtor)(struct nvif_device *),
-		 u32 handle, u32 oclass, void *data, u32 size,
-		 struct nvif_device *device)
+nvif_device_init(struct nvif_object *parent, u32 handle, s32 oclass,
+		 void *data, u32 size, struct nvif_device *device)
 {
-	int ret = nvif_object_init(parent, (void *)dtor, handle, oclass,
-				   data, size, &device->base);
+	int ret = nvif_object_init(parent, handle, oclass, data, size,
+				   &device->object);
 	if (ret == 0) {
-		device->object = &device->base;
 		device->info.version = 0;
-		ret = nvif_object_mthd(&device->base, NV_DEVICE_V0_INFO,
+		ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO,
 				       &device->info, sizeof(device->info));
 	}
 	return ret;
 }
-
-static void
-nvif_device_del(struct nvif_device *device)
-{
-	nvif_device_fini(device);
-	kfree(device);
-}
-
-int
-nvif_device_new(struct nvif_object *parent, u32 handle, u32 oclass,
-		void *data, u32 size, struct nvif_device **pdevice)
-{
-	struct nvif_device *device = kzalloc(sizeof(*device), GFP_KERNEL);
-	if (device) {
-		int ret = nvif_device_init(parent, nvif_device_del, handle,
-					   oclass, data, size, device);
-		if (ret) {
-			kfree(device);
-			device = NULL;
-		}
-		*pdevice = device;
-		return ret;
-	}
-	return -ENOMEM;
-}
-
-void
-nvif_device_ref(struct nvif_device *device, struct nvif_device **pdevice)
-{
-	nvif_object_ref(&device->base, (struct nvif_object **)pdevice);
-}
diff --git a/drivers/gpu/drm/nouveau/nvif/notify.c b/drivers/gpu/drm/nouveau/nvif/notify.c
index 8e34748709a0..b0787ff833ef 100644
--- a/drivers/gpu/drm/nouveau/nvif/notify.c
+++ b/drivers/gpu/drm/nouveau/nvif/notify.c
@@ -124,7 +124,7 @@ nvif_notify(const void *header, u32 length, const void *data, u32 size)
 	}
 
 	if (!WARN_ON(notify == NULL)) {
-		struct nvif_client *client = nvif_client(notify->object);
+		struct nvif_client *client = notify->object->client;
 		if (!WARN_ON(notify->size != size)) {
 			atomic_inc(&notify->putcnt);
 			if (test_bit(NVIF_NOTIFY_WORK, &notify->flags)) {
@@ -156,7 +156,7 @@ nvif_notify_fini(struct nvif_notify *notify)
 	if (ret >= 0 && object) {
 		ret = nvif_object_ioctl(object, &args, sizeof(args), NULL);
 		if (ret == 0) {
-			nvif_object_ref(NULL, &notify->object);
+			notify->object = NULL;
 			kfree((void *)notify->data);
 		}
 	}
@@ -164,9 +164,9 @@ nvif_notify_fini(struct nvif_notify *notify)
 }
 
 int
-nvif_notify_init(struct nvif_object *object, void (*dtor)(struct nvif_notify *),
-		 int (*func)(struct nvif_notify *), bool work, u8 event,
-		 void *data, u32 size, u32 reply, struct nvif_notify *notify)
+nvif_notify_init(struct nvif_object *object, int (*func)(struct nvif_notify *),
+		 bool work, u8 event, void *data, u32 size, u32 reply,
+		 struct nvif_notify *notify)
 {
 	struct {
 		struct nvif_ioctl_v0 ioctl;
@@ -175,11 +175,9 @@ nvif_notify_init(struct nvif_object *object, void (*dtor)(struct nvif_notify *),
 	} *args;
 	int ret = -ENOMEM;
 
-	notify->object = NULL;
-	nvif_object_ref(object, &notify->object);
+	notify->object = object;
 	notify->flags = 0;
 	atomic_set(&notify->putcnt, 1);
-	notify->dtor = dtor;
 	notify->func = func;
 	notify->data = NULL;
 	notify->size = reply;
@@ -211,38 +209,3 @@ done:
 		nvif_notify_fini(notify);
 	return ret;
 }
-
-static void
-nvif_notify_del(struct nvif_notify *notify)
-{
-	nvif_notify_fini(notify);
-	kfree(notify);
-}
-
-void
-nvif_notify_ref(struct nvif_notify *notify, struct nvif_notify **pnotify)
-{
-	BUG_ON(notify != NULL);
-	if (*pnotify)
-		(*pnotify)->dtor(*pnotify);
-	*pnotify = notify;
-}
-
-int
-nvif_notify_new(struct nvif_object *object, int (*func)(struct nvif_notify *),
-		bool work, u8 type, void *data, u32 size, u32 reply,
-		struct nvif_notify **pnotify)
-{
-	struct nvif_notify *notify = kzalloc(sizeof(*notify), GFP_KERNEL);
-	if (notify) {
-		int ret = nvif_notify_init(object, nvif_notify_del, func, work,
-					   type, data, size, reply, notify);
-		if (ret) {
-			kfree(notify);
-			notify = NULL;
-		}
-		*pnotify = notify;
-		return ret;
-	}
-	return -ENOMEM;
-}
diff --git a/drivers/gpu/drm/nouveau/nvif/object.c b/drivers/gpu/drm/nouveau/nvif/object.c
index 3ab4e2f8cc12..c3fb6a20f567 100644
--- a/drivers/gpu/drm/nouveau/nvif/object.c
+++ b/drivers/gpu/drm/nouveau/nvif/object.c
@@ -30,47 +30,71 @@
 int
 nvif_object_ioctl(struct nvif_object *object, void *data, u32 size, void **hack)
 {
-	struct nvif_client *client = nvif_client(object);
+	struct nvif_client *client = object->client;
 	union {
 		struct nvif_ioctl_v0 v0;
 	} *args = data;
 
 	if (size >= sizeof(*args) && args->v0.version == 0) {
+		if (object != &client->object)
+			args->v0.object = nvif_handle(object);
+		else
+			args->v0.object = 0;
 		args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY;
-		args->v0.path_nr = 0;
-		while (args->v0.path_nr < ARRAY_SIZE(args->v0.path)) {
-			args->v0.path[args->v0.path_nr++] = object->handle;
-			if (object->parent == object)
-				break;
-			object = object->parent;
-		}
 	} else
 		return -ENOSYS;
 
-	return client->driver->ioctl(client->base.priv, client->super, data, size, hack);
+	return client->driver->ioctl(client->object.priv, client->super,
+				     data, size, hack);
+}
+
+void
+nvif_object_sclass_put(struct nvif_sclass **psclass)
+{
+	kfree(*psclass);
+	*psclass = NULL;
 }
 
 int
-nvif_object_sclass(struct nvif_object *object, u32 *oclass, int count)
+nvif_object_sclass_get(struct nvif_object *object, struct nvif_sclass **psclass)
 {
 	struct {
 		struct nvif_ioctl_v0 ioctl;
 		struct nvif_ioctl_sclass_v0 sclass;
-	} *args;
-	u32 size = count * sizeof(args->sclass.oclass[0]);
-	int ret;
+	} *args = NULL;
+	int ret, cnt = 0, i;
+	u32 size;
 
-	if (!(args = kmalloc(sizeof(*args) + size, GFP_KERNEL)))
-		return -ENOMEM;
-	args->ioctl.version = 0;
-	args->ioctl.type = NVIF_IOCTL_V0_SCLASS;
-	args->sclass.version = 0;
-	args->sclass.count = count;
+	while (1) {
+		size = sizeof(*args) + cnt * sizeof(args->sclass.oclass[0]);
+		if (!(args = kmalloc(size, GFP_KERNEL)))
+			return -ENOMEM;
+		args->ioctl.version = 0;
+		args->ioctl.type = NVIF_IOCTL_V0_SCLASS;
+		args->sclass.version = 0;
+		args->sclass.count = cnt;
+
+		ret = nvif_object_ioctl(object, args, size, NULL);
+		if (ret == 0 && args->sclass.count <= cnt)
+			break;
+		cnt = args->sclass.count;
+		kfree(args);
+		if (ret != 0)
+			return ret;
+	}
+
+	*psclass = kzalloc(sizeof(**psclass) * args->sclass.count, GFP_KERNEL);
+	if (*psclass) {
+		for (i = 0; i < args->sclass.count; i++) {
+			(*psclass)[i].oclass = args->sclass.oclass[i].oclass;
+			(*psclass)[i].minver = args->sclass.oclass[i].minver;
+			(*psclass)[i].maxver = args->sclass.oclass[i].maxver;
+		}
+		ret = args->sclass.count;
+	} else {
+		ret = -ENOMEM;
+	}
 
-	memcpy(args->sclass.oclass, oclass, size);
-	ret = nvif_object_ioctl(object, args, sizeof(*args) + size, NULL);
-	ret = ret ? ret : args->sclass.count;
-	memcpy(oclass, args->sclass.oclass, size);
 	kfree(args);
 	return ret;
 }
@@ -145,7 +169,7 @@ void
 nvif_object_unmap(struct nvif_object *object)
 {
 	if (object->map.size) {
-		struct nvif_client *client = nvif_client(object);
+		struct nvif_client *client = object->client;
 		struct {
 			struct nvif_ioctl_v0 ioctl;
 			struct nvif_ioctl_unmap unmap;
@@ -167,7 +191,7 @@ nvif_object_unmap(struct nvif_object *object)
 int
 nvif_object_map(struct nvif_object *object)
 {
-	struct nvif_client *client = nvif_client(object);
+	struct nvif_client *client = object->client;
 	struct {
 		struct nvif_ioctl_v0 ioctl;
 		struct nvif_ioctl_map_v0 map;
@@ -186,119 +210,65 @@ nvif_object_map(struct nvif_object *object)
 	return ret;
 }
 
-struct ctor {
-	struct nvif_ioctl_v0 ioctl;
-	struct nvif_ioctl_new_v0 new;
-};
-
 void
 nvif_object_fini(struct nvif_object *object)
 {
-	struct ctor *ctor = container_of(object->data, typeof(*ctor), new.data);
-	if (object->parent) {
-		struct {
-			struct nvif_ioctl_v0 ioctl;
-			struct nvif_ioctl_del del;
-		} args = {
-			.ioctl.type = NVIF_IOCTL_V0_DEL,
-		};
+	struct {
+		struct nvif_ioctl_v0 ioctl;
+		struct nvif_ioctl_del del;
+	} args = {
+		.ioctl.type = NVIF_IOCTL_V0_DEL,
+	};
 
-		nvif_object_unmap(object);
-		nvif_object_ioctl(object, &args, sizeof(args), NULL);
-		if (object->data) {
-			object->size = 0;
-			object->data = NULL;
-			kfree(ctor);
-		}
-		nvif_object_ref(NULL, &object->parent);
-	}
+	if (!object->client)
+		return;
+
+	nvif_object_unmap(object);
+	nvif_object_ioctl(object, &args, sizeof(args), NULL);
+	object->client = NULL;
 }
 
 int
-nvif_object_init(struct nvif_object *parent, void (*dtor)(struct nvif_object *),
-		 u32 handle, u32 oclass, void *data, u32 size,
-		 struct nvif_object *object)
+nvif_object_init(struct nvif_object *parent, u32 handle, s32 oclass,
+		 void *data, u32 size, struct nvif_object *object)
 {
-	struct ctor *ctor;
+	struct {
+		struct nvif_ioctl_v0 ioctl;
+		struct nvif_ioctl_new_v0 new;
+	} *args;
 	int ret = 0;
 
-	object->parent = NULL;
-	object->object = object;
-	nvif_object_ref(parent, &object->parent);
-	kref_init(&object->refcount);
+	object->client = NULL;
 	object->handle = handle;
 	object->oclass = oclass;
-	object->data = NULL;
-	object->size = 0;
-	object->dtor = dtor;
 	object->map.ptr = NULL;
 	object->map.size = 0;
 
-	if (object->parent) {
-		if (!(ctor = kmalloc(sizeof(*ctor) + size, GFP_KERNEL))) {
+	if (parent) {
+		if (!(args = kmalloc(sizeof(*args) + size, GFP_KERNEL))) {
 			nvif_object_fini(object);
 			return -ENOMEM;
 		}
-		object->data = ctor->new.data;
-		object->size = size;
-		memcpy(object->data, data, size);
 
-		ctor->ioctl.version = 0;
-		ctor->ioctl.type = NVIF_IOCTL_V0_NEW;
-		ctor->new.version = 0;
-		ctor->new.route = NVIF_IOCTL_V0_ROUTE_NVIF;
-		ctor->new.token = (unsigned long)(void *)object;
-		ctor->new.handle = handle;
-		ctor->new.oclass = oclass;
+		args->ioctl.version = 0;
+		args->ioctl.type = NVIF_IOCTL_V0_NEW;
+		args->new.version = 0;
+		args->new.route = parent->client->route;
+		args->new.token = nvif_handle(object);
+		args->new.object = nvif_handle(object);
+		args->new.handle = handle;
+		args->new.oclass = oclass;
 
-		ret = nvif_object_ioctl(parent, ctor, sizeof(*ctor) +
-					object->size, &object->priv);
+		memcpy(args->new.data, data, size);
+		ret = nvif_object_ioctl(parent, args, sizeof(*args) + size,
+					&object->priv);
+		memcpy(data, args->new.data, size);
+		kfree(args);
+		if (ret == 0)
+			object->client = parent->client;
 	}
 
 	if (ret)
 		nvif_object_fini(object);
 	return ret;
 }
-
-static void
-nvif_object_del(struct nvif_object *object)
-{
-	nvif_object_fini(object);
-	kfree(object);
-}
-
-int
-nvif_object_new(struct nvif_object *parent, u32 handle, u32 oclass,
-		void *data, u32 size, struct nvif_object **pobject)
-{
-	struct nvif_object *object = kzalloc(sizeof(*object), GFP_KERNEL);
-	if (object) {
-		int ret = nvif_object_init(parent, nvif_object_del, handle,
-					   oclass, data, size, object);
-		if (ret) {
-			kfree(object);
-			object = NULL;
-		}
-		*pobject = object;
-		return ret;
-	}
-	return -ENOMEM;
-}
-
-static void
-nvif_object_put(struct kref *kref)
-{
-	struct nvif_object *object =
-		container_of(kref, typeof(*object), refcount);
-	object->dtor(object);
-}
-
-void
-nvif_object_ref(struct nvif_object *object, struct nvif_object **pobject)
-{
-	if (object)
-		kref_get(&object->refcount);
-	if (*pobject)
-		kref_put(&(*pobject)->refcount, nvif_object_put);
-	*pobject = object;
-}