1 files changed, 0 insertions, 320 deletions
diff --git a/bsd-core/drm_context.c b/bsd-core/drm_context.c
deleted file mode 100644
index 4dddd9c8..00000000
--- a/bsd-core/drm_context.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/*-
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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:
- *    Rickard E. (Rik) Faith <faith@valinux.com>
- *    Gareth Hughes <gareth@valinux.com>
- *
- */
-
-/** @file drm_context.c
- * Implementation of the context management ioctls.
- */
-
-#include "drmP.h"
-
-/* ================================================================
- * Context bitmap support
- */
-
-void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle)
-{
-	if (ctx_handle < 0 || ctx_handle >= DRM_MAX_CTXBITMAP || 
-	    dev->ctx_bitmap == NULL) {
-		DRM_ERROR("Attempt to free invalid context handle: %d\n",
-		   ctx_handle);
-		return;
-	}
-
-	DRM_LOCK();
-	clear_bit(ctx_handle, dev->ctx_bitmap);
-	dev->context_sareas[ctx_handle] = NULL;
-	DRM_UNLOCK();
-	return;
-}
-
-int drm_ctxbitmap_next(struct drm_device *dev)
-{
-	int bit;
-
-	if (dev->ctx_bitmap == NULL)
-		return -1;
-
-	DRM_LOCK();
-	bit = find_first_zero_bit(dev->ctx_bitmap, DRM_MAX_CTXBITMAP);
-	if (bit >= DRM_MAX_CTXBITMAP) {
-		DRM_UNLOCK();
-		return -1;
-	}
-
-	set_bit(bit, dev->ctx_bitmap);
-	DRM_DEBUG("drm_ctxbitmap_next bit : %d\n", bit);
-	if ((bit+1) > dev->max_context) {
-		dev->max_context = (bit+1);
-		if (dev->context_sareas != NULL) {
-			drm_local_map_t **ctx_sareas;
-
-			ctx_sareas = realloc(dev->context_sareas,
-			    dev->max_context * sizeof(*dev->context_sareas),
-			    DRM_MEM_SAREA, M_NOWAIT);
-			if (ctx_sareas == NULL) {
-				clear_bit(bit, dev->ctx_bitmap);
-				DRM_UNLOCK();
-				return -1;
-			}
-			dev->context_sareas = ctx_sareas;
-			dev->context_sareas[bit] = NULL;
-		} else {
-			/* max_context == 1 at this point */
-			dev->context_sareas = malloc(dev->max_context * 
-			    sizeof(*dev->context_sareas), DRM_MEM_SAREA,
-			    M_NOWAIT);
-			if (dev->context_sareas == NULL) {
-				clear_bit(bit, dev->ctx_bitmap);
-				DRM_UNLOCK();
-				return -1;
-			}
-			dev->context_sareas[bit] = NULL;
-		}
-	}
-	DRM_UNLOCK();
-	return bit;
-}
-
-int drm_ctxbitmap_init(struct drm_device *dev)
-{
-	int i;
-   	int temp;
-
-	DRM_LOCK();
-	dev->ctx_bitmap = malloc(PAGE_SIZE, DRM_MEM_CTXBITMAP,
-	    M_NOWAIT | M_ZERO);
-	if (dev->ctx_bitmap == NULL) {
-		DRM_UNLOCK();
-		return ENOMEM;
-	}
-	dev->context_sareas = NULL;
-	dev->max_context = -1;
-	DRM_UNLOCK();
-
-	for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
-		temp = drm_ctxbitmap_next(dev);
-		DRM_DEBUG("drm_ctxbitmap_init : %d\n", temp);
-	}
-
-	return 0;
-}
-
-void drm_ctxbitmap_cleanup(struct drm_device *dev)
-{
-	DRM_LOCK();
-	if (dev->context_sareas != NULL)
-		free(dev->context_sareas, DRM_MEM_SAREA);
-	free(dev->ctx_bitmap, DRM_MEM_CTXBITMAP);
-	DRM_UNLOCK();
-}
-
-/* ================================================================
- * Per Context SAREA Support
- */
-
-int drm_getsareactx(struct drm_device *dev, void *data,
-		    struct drm_file *file_priv)
-{
-	struct drm_ctx_priv_map *request = data;
-	drm_local_map_t *map;
-
-	DRM_LOCK();
-	if (dev->max_context < 0 ||
-	    request->ctx_id >= (unsigned) dev->max_context) {
-		DRM_UNLOCK();
-		return EINVAL;
-	}
-
-	map = dev->context_sareas[request->ctx_id];
-	DRM_UNLOCK();
-
-	request->handle = map->handle;
-
-	return 0;
-}
-
-int drm_setsareactx(struct drm_device *dev, void *data,
-		    struct drm_file *file_priv)
-{
-	struct drm_ctx_priv_map *request = data;
-	drm_local_map_t *map = NULL;
-
-	DRM_LOCK();
-	TAILQ_FOREACH(map, &dev->maplist, link) {
-		if (map->handle == request->handle) {
-			if (dev->max_context < 0)
-				goto bad;
-			if (request->ctx_id >= (unsigned) dev->max_context)
-				goto bad;
-			dev->context_sareas[request->ctx_id] = map;
-			DRM_UNLOCK();
-			return 0;
-		}
-	}
-
-bad:
-	DRM_UNLOCK();
-	return EINVAL;
-}
-
-/* ================================================================
- * The actual DRM context handling routines
- */
-
-int drm_context_switch(struct drm_device *dev, int old, int new)
-{
-	if (test_and_set_bit(0, &dev->context_flag)) {
-		DRM_ERROR("Reentering -- FIXME\n");
-		return EBUSY;
-	}
-
-	DRM_DEBUG("Context switch from %d to %d\n", old, new);
-
-	if (new == dev->last_context) {
-		clear_bit(0, &dev->context_flag);
-		return 0;
-	}
-
-	return 0;
-}
-
-int drm_context_switch_complete(struct drm_device *dev, int new)
-{
-	dev->last_context = new;  /* PRE/POST: This is the _only_ writer. */
-
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("Lock isn't held after context switch\n");
-	}
-
-	/* If a context switch is ever initiated
-	   when the kernel holds the lock, release
-	   that lock here. */
-	clear_bit(0, &dev->context_flag);
-
-	return 0;
-}
-
-int drm_resctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_ctx_res *res = data;
-	struct drm_ctx ctx;
-	int i;
-
-	if (res->count >= DRM_RESERVED_CONTEXTS) {
-		bzero(&ctx, sizeof(ctx));
-		for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
-			ctx.handle = i;
-			if (DRM_COPY_TO_USER(&res->contexts[i],
-			    &ctx, sizeof(ctx)))
-				return EFAULT;
-		}
-	}
-	res->count = DRM_RESERVED_CONTEXTS;
-
-	return 0;
-}
-
-int drm_addctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	ctx->handle = drm_ctxbitmap_next(dev);
-	if (ctx->handle == DRM_KERNEL_CONTEXT) {
-		/* Skip kernel's context and get a new one. */
-		ctx->handle = drm_ctxbitmap_next(dev);
-	}
-	DRM_DEBUG("%d\n", ctx->handle);
-	if (ctx->handle == -1) {
-		DRM_DEBUG("Not enough free contexts.\n");
-		/* Should this return -EBUSY instead? */
-		return ENOMEM;
-	}
-
-	if (dev->driver->context_ctor && ctx->handle != DRM_KERNEL_CONTEXT) {
-		DRM_LOCK();
-		dev->driver->context_ctor(dev, ctx->handle);
-		DRM_UNLOCK();
-	}
-
-	return 0;
-}
-
-int drm_modctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	/* This does nothing */
-	return 0;
-}
-
-int drm_getctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	/* This is 0, because we don't handle any context flags */
-	ctx->flags = 0;
-
-	return 0;
-}
-
-int drm_switchctx(struct drm_device *dev, void *data,
-		  struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	DRM_DEBUG("%d\n", ctx->handle);
-	return drm_context_switch(dev, dev->last_context, ctx->handle);
-}
-
-int drm_newctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	DRM_DEBUG("%d\n", ctx->handle);
-	drm_context_switch_complete(dev, ctx->handle);
-
-	return 0;
-}
-
-int drm_rmctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	DRM_DEBUG("%d\n", ctx->handle);
-	if (ctx->handle != DRM_KERNEL_CONTEXT) {
-		if (dev->driver->context_dtor) {
-			DRM_LOCK();
-			dev->driver->context_dtor(dev, ctx->handle);
-			DRM_UNLOCK();
-		}
-
-		drm_ctxbitmap_free(dev, ctx->handle);
-	}
-
-	return 0;
-}