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Diffstat (limited to 'nouveau/nouveau_resource.c')
-rw-r--r--nouveau/nouveau_resource.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/nouveau/nouveau_resource.c b/nouveau/nouveau_resource.c
deleted file mode 100644
index 7acaf7db..00000000
--- a/nouveau/nouveau_resource.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright 2007 Nouveau Project
- *
- * 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 AUTHORS 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.
- */
-
-#include <stdlib.h>
-#include <errno.h>
-
-#include "nouveau_private.h"
-
-int
-nouveau_resource_init(struct nouveau_resource **heap,
- unsigned start, unsigned size)
-{
- struct nouveau_resource *r;
-
- r = calloc(1, sizeof(struct nouveau_resource));
- if (!r)
- return 1;
-
- r->start = start;
- r->size = size;
- *heap = r;
- return 0;
-}
-
-void
-nouveau_resource_destroy(struct nouveau_resource **heap)
-{
- if (!*heap)
- return;
- free(*heap);
- *heap = NULL;
-}
-
-int
-nouveau_resource_alloc(struct nouveau_resource *heap, unsigned size, void *priv,
- struct nouveau_resource **res)
-{
- struct nouveau_resource *r;
-
- if (!heap || !size || !res || *res)
- return 1;
-
- while (heap) {
- if (!heap->in_use && heap->size >= size) {
- r = calloc(1, sizeof(struct nouveau_resource));
- if (!r)
- return 1;
-
- r->start = (heap->start + heap->size) - size;
- r->size = size;
- r->in_use = 1;
- r->priv = priv;
-
- heap->size -= size;
-
- r->next = heap->next;
- if (heap->next)
- heap->next->prev = r;
- r->prev = heap;
- heap->next = r;
-
- *res = r;
- return 0;
- }
-
- heap = heap->next;
- }
-
- return 1;
-}
-
-void
-nouveau_resource_free(struct nouveau_resource **res)
-{
- struct nouveau_resource *r;
-
- if (!res || !*res)
- return;
- r = *res;
- *res = NULL;
-
- r->in_use = 0;
-
- if (r->next && !r->next->in_use) {
- struct nouveau_resource *new = r->next;
-
- new->prev = r->prev;
- if (r->prev)
- r->prev->next = new;
- new->size += r->size;
- new->start = r->start;
-
- free(r);
- r = new;
- }
-
- if (r->prev && !r->prev->in_use) {
- r->prev->next = r->next;
- if (r->next)
- r->next->prev = r->prev;
- r->prev->size += r->size;
- free(r);
- }
-
-}