1 files changed, 0 insertions, 453 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c
deleted file mode 100644
index 43f4242062dd..000000000000
--- a/drivers/gpu/drm/i915/gvt/gvt.c
+++ /dev/null
@@ -1,453 +0,0 @@
-/*
- * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, 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 (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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:
- *    Kevin Tian <kevin.tian@intel.com>
- *    Eddie Dong <eddie.dong@intel.com>
- *
- * Contributors:
- *    Niu Bing <bing.niu@intel.com>
- *    Zhi Wang <zhi.a.wang@intel.com>
- *
- */
-
-#include <linux/types.h>
-#include <xen/xen.h>
-#include <linux/kthread.h>
-
-#include "i915_drv.h"
-#include "gvt.h"
-#include <linux/vfio.h>
-#include <linux/mdev.h>
-
-struct intel_gvt_host intel_gvt_host;
-
-static const char * const supported_hypervisors[] = {
-	[INTEL_GVT_HYPERVISOR_XEN] = "XEN",
-	[INTEL_GVT_HYPERVISOR_KVM] = "KVM",
-};
-
-static struct intel_vgpu_type *intel_gvt_find_vgpu_type(struct intel_gvt *gvt,
-		const char *name)
-{
-	int i;
-	struct intel_vgpu_type *t;
-	const char *driver_name = dev_driver_string(
-			&gvt->dev_priv->drm.pdev->dev);
-
-	for (i = 0; i < gvt->num_types; i++) {
-		t = &gvt->types[i];
-		if (!strncmp(t->name, name + strlen(driver_name) + 1,
-			sizeof(t->name)))
-			return t;
-	}
-
-	return NULL;
-}
-
-static ssize_t available_instances_show(struct kobject *kobj,
-					struct device *dev, char *buf)
-{
-	struct intel_vgpu_type *type;
-	unsigned int num = 0;
-	void *gvt = kdev_to_i915(dev)->gvt;
-
-	type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj));
-	if (!type)
-		num = 0;
-	else
-		num = type->avail_instance;
-
-	return sprintf(buf, "%u\n", num);
-}
-
-static ssize_t device_api_show(struct kobject *kobj, struct device *dev,
-		char *buf)
-{
-	return sprintf(buf, "%s\n", VFIO_DEVICE_API_PCI_STRING);
-}
-
-static ssize_t description_show(struct kobject *kobj, struct device *dev,
-		char *buf)
-{
-	struct intel_vgpu_type *type;
-	void *gvt = kdev_to_i915(dev)->gvt;
-
-	type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj));
-	if (!type)
-		return 0;
-
-	return sprintf(buf, "low_gm_size: %dMB\nhigh_gm_size: %dMB\n"
-		       "fence: %d\nresolution: %s\n"
-		       "weight: %d\n",
-		       BYTES_TO_MB(type->low_gm_size),
-		       BYTES_TO_MB(type->high_gm_size),
-		       type->fence, vgpu_edid_str(type->resolution),
-		       type->weight);
-}
-
-static MDEV_TYPE_ATTR_RO(available_instances);
-static MDEV_TYPE_ATTR_RO(device_api);
-static MDEV_TYPE_ATTR_RO(description);
-
-static struct attribute *gvt_type_attrs[] = {
-	&mdev_type_attr_available_instances.attr,
-	&mdev_type_attr_device_api.attr,
-	&mdev_type_attr_description.attr,
-	NULL,
-};
-
-static struct attribute_group *gvt_vgpu_type_groups[] = {
-	[0 ... NR_MAX_INTEL_VGPU_TYPES - 1] = NULL,
-};
-
-static bool intel_get_gvt_attrs(struct attribute ***type_attrs,
-		struct attribute_group ***intel_vgpu_type_groups)
-{
-	*type_attrs = gvt_type_attrs;
-	*intel_vgpu_type_groups = gvt_vgpu_type_groups;
-	return true;
-}
-
-static bool intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt)
-{
-	int i, j;
-	struct intel_vgpu_type *type;
-	struct attribute_group *group;
-
-	for (i = 0; i < gvt->num_types; i++) {
-		type = &gvt->types[i];
-
-		group = kzalloc(sizeof(struct attribute_group), GFP_KERNEL);
-		if (WARN_ON(!group))
-			goto unwind;
-
-		group->name = type->name;
-		group->attrs = gvt_type_attrs;
-		gvt_vgpu_type_groups[i] = group;
-	}
-
-	return true;
-
-unwind:
-	for (j = 0; j < i; j++) {
-		group = gvt_vgpu_type_groups[j];
-		kfree(group);
-	}
-
-	return false;
-}
-
-static void intel_gvt_cleanup_vgpu_type_groups(struct intel_gvt *gvt)
-{
-	int i;
-	struct attribute_group *group;
-
-	for (i = 0; i < gvt->num_types; i++) {
-		group = gvt_vgpu_type_groups[i];
-		gvt_vgpu_type_groups[i] = NULL;
-		kfree(group);
-	}
-}
-
-static const struct intel_gvt_ops intel_gvt_ops = {
-	.emulate_cfg_read = intel_vgpu_emulate_cfg_read,
-	.emulate_cfg_write = intel_vgpu_emulate_cfg_write,
-	.emulate_mmio_read = intel_vgpu_emulate_mmio_read,
-	.emulate_mmio_write = intel_vgpu_emulate_mmio_write,
-	.vgpu_create = intel_gvt_create_vgpu,
-	.vgpu_destroy = intel_gvt_destroy_vgpu,
-	.vgpu_release = intel_gvt_release_vgpu,
-	.vgpu_reset = intel_gvt_reset_vgpu,
-	.vgpu_activate = intel_gvt_activate_vgpu,
-	.vgpu_deactivate = intel_gvt_deactivate_vgpu,
-	.gvt_find_vgpu_type = intel_gvt_find_vgpu_type,
-	.get_gvt_attrs = intel_get_gvt_attrs,
-	.vgpu_query_plane = intel_vgpu_query_plane,
-	.vgpu_get_dmabuf = intel_vgpu_get_dmabuf,
-	.write_protect_handler = intel_vgpu_page_track_handler,
-	.emulate_hotplug = intel_vgpu_emulate_hotplug,
-};
-
-static void init_device_info(struct intel_gvt *gvt)
-{
-	struct intel_gvt_device_info *info = &gvt->device_info;
-	struct pci_dev *pdev = gvt->dev_priv->drm.pdev;
-
-	info->max_support_vgpus = 8;
-	info->cfg_space_size = PCI_CFG_SPACE_EXP_SIZE;
-	info->mmio_size = 2 * 1024 * 1024;
-	info->mmio_bar = 0;
-	info->gtt_start_offset = 8 * 1024 * 1024;
-	info->gtt_entry_size = 8;
-	info->gtt_entry_size_shift = 3;
-	info->gmadr_bytes_in_cmd = 8;
-	info->max_surface_size = 36 * 1024 * 1024;
-	info->msi_cap_offset = pdev->msi_cap;
-}
-
-static int gvt_service_thread(void *data)
-{
-	struct intel_gvt *gvt = (struct intel_gvt *)data;
-	int ret;
-
-	gvt_dbg_core("service thread start\n");
-
-	while (!kthread_should_stop()) {
-		ret = wait_event_interruptible(gvt->service_thread_wq,
-				kthread_should_stop() || gvt->service_request);
-
-		if (kthread_should_stop())
-			break;
-
-		if (WARN_ONCE(ret, "service thread is waken up by signal.\n"))
-			continue;
-
-		if (test_and_clear_bit(INTEL_GVT_REQUEST_EMULATE_VBLANK,
-					(void *)&gvt->service_request))
-			intel_gvt_emulate_vblank(gvt);
-
-		if (test_bit(INTEL_GVT_REQUEST_SCHED,
-				(void *)&gvt->service_request) ||
-			test_bit(INTEL_GVT_REQUEST_EVENT_SCHED,
-					(void *)&gvt->service_request)) {
-			intel_gvt_schedule(gvt);
-		}
-	}
-
-	return 0;
-}
-
-static void clean_service_thread(struct intel_gvt *gvt)
-{
-	kthread_stop(gvt->service_thread);
-}
-
-static int init_service_thread(struct intel_gvt *gvt)
-{
-	init_waitqueue_head(&gvt->service_thread_wq);
-
-	gvt->service_thread = kthread_run(gvt_service_thread,
-			gvt, "gvt_service_thread");
-	if (IS_ERR(gvt->service_thread)) {
-		gvt_err("fail to start service thread.\n");
-		return PTR_ERR(gvt->service_thread);
-	}
-	return 0;
-}
-
-/**
- * intel_gvt_clean_device - clean a GVT device
- * @dev_priv: i915 private
- *
- * This function is called at the driver unloading stage, to free the
- * resources owned by a GVT device.
- *
- */
-void intel_gvt_clean_device(struct drm_i915_private *dev_priv)
-{
-	struct intel_gvt *gvt = to_gvt(dev_priv);
-
-	if (WARN_ON(!gvt))
-		return;
-
-	intel_gvt_destroy_idle_vgpu(gvt->idle_vgpu);
-	intel_gvt_cleanup_vgpu_type_groups(gvt);
-	intel_gvt_clean_vgpu_types(gvt);
-
-	intel_gvt_debugfs_clean(gvt);
-	clean_service_thread(gvt);
-	intel_gvt_clean_cmd_parser(gvt);
-	intel_gvt_clean_sched_policy(gvt);
-	intel_gvt_clean_workload_scheduler(gvt);
-	intel_gvt_clean_gtt(gvt);
-	intel_gvt_clean_irq(gvt);
-	intel_gvt_free_firmware(gvt);
-	intel_gvt_clean_mmio_info(gvt);
-	idr_destroy(&gvt->vgpu_idr);
-
-	kfree(dev_priv->gvt);
-	dev_priv->gvt = NULL;
-}
-
-/**
- * intel_gvt_init_device - initialize a GVT device
- * @dev_priv: drm i915 private data
- *
- * This function is called at the initialization stage, to initialize
- * necessary GVT components.
- *
- * Returns:
- * Zero on success, negative error code if failed.
- *
- */
-int intel_gvt_init_device(struct drm_i915_private *dev_priv)
-{
-	struct intel_gvt *gvt;
-	struct intel_vgpu *vgpu;
-	int ret;
-
-	if (WARN_ON(dev_priv->gvt))
-		return -EEXIST;
-
-	gvt = kzalloc(sizeof(struct intel_gvt), GFP_KERNEL);
-	if (!gvt)
-		return -ENOMEM;
-
-	gvt_dbg_core("init gvt device\n");
-
-	idr_init(&gvt->vgpu_idr);
-	spin_lock_init(&gvt->scheduler.mmio_context_lock);
-	mutex_init(&gvt->lock);
-	mutex_init(&gvt->sched_lock);
-	gvt->dev_priv = dev_priv;
-
-	init_device_info(gvt);
-
-	ret = intel_gvt_setup_mmio_info(gvt);
-	if (ret)
-		goto out_clean_idr;
-
-	intel_gvt_init_engine_mmio_context(gvt);
-
-	ret = intel_gvt_load_firmware(gvt);
-	if (ret)
-		goto out_clean_mmio_info;
-
-	ret = intel_gvt_init_irq(gvt);
-	if (ret)
-		goto out_free_firmware;
-
-	ret = intel_gvt_init_gtt(gvt);
-	if (ret)
-		goto out_clean_irq;
-
-	ret = intel_gvt_init_workload_scheduler(gvt);
-	if (ret)
-		goto out_clean_gtt;
-
-	ret = intel_gvt_init_sched_policy(gvt);
-	if (ret)
-		goto out_clean_workload_scheduler;
-
-	ret = intel_gvt_init_cmd_parser(gvt);
-	if (ret)
-		goto out_clean_sched_policy;
-
-	ret = init_service_thread(gvt);
-	if (ret)
-		goto out_clean_cmd_parser;
-
-	ret = intel_gvt_init_vgpu_types(gvt);
-	if (ret)
-		goto out_clean_thread;
-
-	ret = intel_gvt_init_vgpu_type_groups(gvt);
-	if (ret == false) {
-		gvt_err("failed to init vgpu type groups: %d\n", ret);
-		goto out_clean_types;
-	}
-
-	vgpu = intel_gvt_create_idle_vgpu(gvt);
-	if (IS_ERR(vgpu)) {
-		ret = PTR_ERR(vgpu);
-		gvt_err("failed to create idle vgpu\n");
-		goto out_clean_types;
-	}
-	gvt->idle_vgpu = vgpu;
-
-	ret = intel_gvt_debugfs_init(gvt);
-	if (ret)
-		gvt_err("debugfs registration failed, go on.\n");
-
-	gvt_dbg_core("gvt device initialization is done\n");
-	dev_priv->gvt = gvt;
-	intel_gvt_host.dev = &dev_priv->drm.pdev->dev;
-	intel_gvt_host.initialized = true;
-	return 0;
-
-out_clean_types:
-	intel_gvt_clean_vgpu_types(gvt);
-out_clean_thread:
-	clean_service_thread(gvt);
-out_clean_cmd_parser:
-	intel_gvt_clean_cmd_parser(gvt);
-out_clean_sched_policy:
-	intel_gvt_clean_sched_policy(gvt);
-out_clean_workload_scheduler:
-	intel_gvt_clean_workload_scheduler(gvt);
-out_clean_gtt:
-	intel_gvt_clean_gtt(gvt);
-out_clean_irq:
-	intel_gvt_clean_irq(gvt);
-out_free_firmware:
-	intel_gvt_free_firmware(gvt);
-out_clean_mmio_info:
-	intel_gvt_clean_mmio_info(gvt);
-out_clean_idr:
-	idr_destroy(&gvt->vgpu_idr);
-	kfree(gvt);
-	return ret;
-}
-
-int
-intel_gvt_register_hypervisor(struct intel_gvt_mpt *m)
-{
-	int ret;
-	void *gvt;
-
-	if (!intel_gvt_host.initialized)
-		return -ENODEV;
-
-	if (m->type != INTEL_GVT_HYPERVISOR_KVM &&
-	    m->type != INTEL_GVT_HYPERVISOR_XEN)
-		return -EINVAL;
-
-	/* Get a reference for device model module */
-	if (!try_module_get(THIS_MODULE))
-		return -ENODEV;
-
-	intel_gvt_host.mpt = m;
-	intel_gvt_host.hypervisor_type = m->type;
-	gvt = (void *)kdev_to_i915(intel_gvt_host.dev)->gvt;
-
-	ret = intel_gvt_hypervisor_host_init(intel_gvt_host.dev, gvt,
-					     &intel_gvt_ops);
-	if (ret < 0) {
-		gvt_err("Failed to init %s hypervisor module\n",
-			supported_hypervisors[intel_gvt_host.hypervisor_type]);
-		module_put(THIS_MODULE);
-		return -ENODEV;
-	}
-	gvt_dbg_core("Running with hypervisor %s in host mode\n",
-		     supported_hypervisors[intel_gvt_host.hypervisor_type]);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(intel_gvt_register_hypervisor);
-
-void
-intel_gvt_unregister_hypervisor(void)
-{
-	intel_gvt_hypervisor_host_exit(intel_gvt_host.dev);
-	module_put(THIS_MODULE);
-}
-EXPORT_SYMBOL_GPL(intel_gvt_unregister_hypervisor);