Initial import

1 files changed, 186 insertions, 0 deletions

diff --git a/src/wsbm_mallocpool.c b/src/wsbm_mallocpool.c
new file mode 100644
index 0000000..7fc748d
--- /dev/null
+++ b/src/wsbm_mallocpool.c
@@ -0,0 +1,186 @@
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <errno.h>
+#include "wsbm_pool.h"
+#include "wsbm_manager.h"
+
+struct _WsbmMallocBuffer
+{
+    struct _WsbmBufStorage buf;
+    size_t size;
+    void *mem;
+};
+
+static inline struct _WsbmMallocBuffer *
+mallocBuf(struct _WsbmBufStorage *buf)
+{
+    return containerOf(buf, struct _WsbmMallocBuffer, buf);
+}
+
+static struct _WsbmBufStorage *
+pool_create(struct _WsbmBufferPool *pool,
+	    unsigned long size, uint32_t placement, unsigned alignment)
+{
+    struct _WsbmMallocBuffer *mBuf = malloc(size + sizeof(*mBuf) + 16);
+
+    if (!mBuf)
+	return NULL;
+
+    wsbmBufStorageInit(&mBuf->buf, pool);
+    mBuf->size = size;
+    mBuf->mem = (void *)((unsigned long)mBuf + sizeof(*mBuf));
+    if ((placement & WSBM_PL_MASK_MEM) != WSBM_PL_FLAG_SYSTEM)
+	abort();
+
+    return &mBuf->buf;
+}
+
+static void
+pool_destroy(struct _WsbmBufStorage **buf)
+{
+    free(mallocBuf(*buf));
+    *buf = NULL;
+}
+
+static int
+pool_waitIdle(struct _WsbmBufStorage *buf, int lazy)
+{
+    return 0;
+}
+
+static int
+pool_map(struct _WsbmBufStorage *buf, unsigned mode, void **virtual)
+{
+    *virtual = mallocBuf(buf)->mem;
+    return 0;
+}
+
+static void
+pool_unmap(struct _WsbmBufStorage *buf)
+{
+    ;
+}
+
+static int
+pool_syncforcpu (struct _WsbmBufStorage *buf, unsigned mode)
+{
+    return 0;
+}
+    
+static void
+pool_releasefromcpu (struct _WsbmBufStorage *buf, unsigned mode) 
+{
+    ;
+}
+
+static unsigned long
+pool_offset(struct _WsbmBufStorage *buf)
+{
+    /*
+     * BUG
+     */
+    abort();
+    return 0UL;
+}
+
+static unsigned long
+pool_poolOffset(struct _WsbmBufStorage *buf)
+{
+    /*
+     * BUG
+     */
+    abort();
+}
+
+static uint32_t
+pool_placement(struct _WsbmBufStorage *buf)
+{
+    return WSBM_PL_FLAG_SYSTEM | WSBM_PL_FLAG_CACHED;
+}
+
+static unsigned long
+pool_size(struct _WsbmBufStorage *buf)
+{
+    return mallocBuf(buf)->size;
+}
+
+static void
+pool_fence(struct _WsbmBufStorage *buf, struct _WsbmFenceObject *fence)
+{
+    abort();
+}
+
+static struct _WsbmKernelBuf *
+pool_kernel(struct _WsbmBufStorage *buf)
+{
+    abort();
+    return NULL;
+}
+
+static void
+pool_takedown(struct _WsbmBufferPool *pool)
+{
+    free(pool);
+}
+
+struct _WsbmBufferPool *
+wsbmMallocPoolInit(void)
+{
+    struct _WsbmBufferPool *pool;
+
+    pool = (struct _WsbmBufferPool *)calloc(1, sizeof(*pool));
+    if (!pool)
+	return NULL;
+
+    pool->fd = -1;
+    pool->map = &pool_map;
+    pool->unmap = &pool_unmap;
+    pool->syncforcpu = &pool_syncforcpu;
+    pool->releasefromcpu = &pool_releasefromcpu;
+    pool->destroy = &pool_destroy;
+    pool->offset = &pool_offset;
+    pool->poolOffset = &pool_poolOffset;
+    pool->placement = &pool_placement;
+    pool->size = &pool_size;
+    pool->create = &pool_create;
+    pool->fence = &pool_fence;
+    pool->kernel = &pool_kernel;
+    pool->validate = NULL;
+    pool->waitIdle = &pool_waitIdle;
+    pool->takeDown = &pool_takedown;
+    return pool;
+}