-/**
- * \file drm_context.c
- * IOCTLs for generic contexts
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
/*
- * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com
+ * Legacy: Generic DRM Contexts
*
* Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
+ * Author: Rickard E. (Rik) Faith <faith@valinux.com>
+ * Author: Gareth Hughes <gareth@valinux.com>
+ *
* 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
* OTHER DEALINGS IN THE SOFTWARE.
*/
-/*
- * ChangeLog:
- * 2001-11-16 Torsten Duwe <duwe@caldera.de>
- * added context constructor/destructor hooks,
- * needed by SiS driver's memory management.
- */
-
#include <drm/drmP.h>
+#include "drm_legacy.h"
+
+struct drm_ctx_list {
+ struct list_head head;
+ drm_context_t handle;
+ struct drm_file *tag;
+};
/******************************************************************/
/** \name Context bitmap support */
* in drm_device::ctx_idr, while holding the drm_device::struct_mutex
* lock.
*/
-void drm_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
+void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
{
mutex_lock(&dev->struct_mutex);
idr_remove(&dev->ctx_idr, ctx_handle);
* Allocate a new idr from drm_device::ctx_idr while holding the
* drm_device::struct_mutex lock.
*/
-static int drm_ctxbitmap_next(struct drm_device * dev)
+static int drm_legacy_ctxbitmap_next(struct drm_device * dev)
{
int ret;
*
* Initialise the drm_device::ctx_idr
*/
-int drm_ctxbitmap_init(struct drm_device * dev)
+int drm_legacy_ctxbitmap_init(struct drm_device * dev)
{
idr_init(&dev->ctx_idr);
return 0;
* Free all idr members using drm_ctx_sarea_free helper function
* while holding the drm_device::struct_mutex lock.
*/
-void drm_ctxbitmap_cleanup(struct drm_device * dev)
+void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
{
mutex_lock(&dev->struct_mutex);
idr_destroy(&dev->ctx_idr);
* @file. Note that after this call returns, new contexts might be added if
* the file is still alive.
*/
-void drm_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
+void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
{
struct drm_ctx_list *pos, *tmp;
if (dev->driver->context_dtor)
dev->driver->context_dtor(dev, pos->handle);
- drm_ctxbitmap_free(dev, pos->handle);
+ drm_legacy_ctxbitmap_free(dev, pos->handle);
list_del(&pos->head);
kfree(pos);
}
* Gets the map from drm_device::ctx_idr with the handle specified and
* returns its handle.
*/
-int drm_getsareactx(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_getsareactx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx_priv_map *request = data;
struct drm_local_map *map;
* Searches the mapping specified in \p arg and update the entry in
* drm_device::ctx_idr with it.
*/
-int drm_setsareactx(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_setsareactx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx_priv_map *request = data;
struct drm_local_map *map = NULL;
* \param arg user argument pointing to a drm_ctx_res structure.
* \return zero on success or a negative number on failure.
*/
-int drm_resctx(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_resctx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx_res *res = data;
struct drm_ctx ctx;
*
* Get a new handle for the context and copy to userspace.
*/
-int drm_addctx(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_addctx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx_list *ctx_entry;
struct drm_ctx *ctx = data;
- ctx->handle = drm_ctxbitmap_next(dev);
+ ctx->handle = drm_legacy_ctxbitmap_next(dev);
if (ctx->handle == DRM_KERNEL_CONTEXT) {
/* Skip kernel's context and get a new one. */
- ctx->handle = drm_ctxbitmap_next(dev);
+ ctx->handle = drm_legacy_ctxbitmap_next(dev);
}
DRM_DEBUG("%d\n", ctx->handle);
if (ctx->handle == -1) {
* \param arg user argument pointing to a drm_ctx structure.
* \return zero on success or a negative number on failure.
*/
-int drm_getctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
+int drm_legacy_getctx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
*
* Calls context_switch().
*/
-int drm_switchctx(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_switchctx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
*
* Calls context_switch_complete().
*/
-int drm_newctx(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_newctx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
*
* If not the special kernel context, calls ctxbitmap_free() to free the specified context.
*/
-int drm_rmctx(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_rmctx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
if (ctx->handle != DRM_KERNEL_CONTEXT) {
if (dev->driver->context_dtor)
dev->driver->context_dtor(dev, ctx->handle);
- drm_ctxbitmap_free(dev, ctx->handle);
+ drm_legacy_ctxbitmap_free(dev, ctx->handle);
}
mutex_lock(&dev->ctxlist_mutex);
projects / firefly-linux-kernel-4.4.55.git / blobdiff