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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2006-08-29 18:40:08 +0200
committerThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2006-08-29 18:40:08 +0200
commit23f01c9fe8e6170459fe46ad5fc9757bbe967d96 (patch)
tree4232a55059e6c22e57649019b72f31c30d763ed5 /libdrm/xf86mm.h
parent0dedfc2cd03f50b435476e56637b333d345fddbd (diff)
Checkpoint commit. Buffer object flags and IOCTL argument list.
Diffstat (limited to 'libdrm/xf86mm.h')
-rw-r--r--libdrm/xf86mm.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/libdrm/xf86mm.h b/libdrm/xf86mm.h
new file mode 100644
index 00000000..5fb78723
--- /dev/null
+++ b/libdrm/xf86mm.h
@@ -0,0 +1,105 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. 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.
+ *
+ *
+ **************************************************************************/
+
+#ifndef _XF86MM_H_
+#define _XF86MM_H_
+#include <stddef.h>
+
+
+/*
+ * List macros heavily inspired by the Linux kernel
+ * list handling. No list looping yet.
+ */
+
+typedef struct _drmMMListHead
+{
+ struct _drmMMListHead *prev;
+ struct _drmMMListHead *next;
+} DrmMMListHead;
+
+#define DRMINITLISTHEAD(__item) \
+ do{ \
+ (__item)->prev = (__item); \
+ (__item)->next = (__item); \
+ } while (0)
+
+#define DRMLISTADD(__item, __list) \
+ do { \
+ (__item)->prev = (__list); \
+ (__item)->next = (__list)->next; \
+ (__list)->next->prev = (__item); \
+ (__list)->next = (__item); \
+ } while (0)
+
+#define DRMLISTADDTAIL(__item, __list) \
+ do { \
+ (__item)->next = (__list); \
+ (__item)->prev = (__list)->prev; \
+ (__list)->prev->next = (__item); \
+ (__list)->prev = (__item); \
+ } while(0)
+
+#define DRMLISTDEL(__item) \
+ do { \
+ (__item)->prev->next = (__item)->next; \
+ (__item)->next->prev = (__item)->prev; \
+ } while(0)
+
+#define DRMLISTDELINIT(__item) \
+ do { \
+ (__item)->prev->next = (__item)->next; \
+ (__item)->next->prev = (__item)->prev; \
+ (__item)->next = (__item); \
+ (__item)->prev = (__item); \
+ } while(0)
+
+#define DRMLISTENTRY(__type, __item, __field) \
+ ((__type *)(((char *) (__item)) - offsetof(__type, __field)))
+
+
+typedef struct _DrmBuf{
+ unsigned handle;
+} DrmBuf;
+
+
+typedef struct _DrmBufNode {
+ DrmMMListHead head;
+ DrmBuf *buf;
+ drm_bo_arg_t bo_arg;
+} DrmBufNode;
+
+typedef struct _DrmMMBufList {
+ unsigned numTarget;
+ unsigned numCurrent;
+ unsigned numOnList;
+ DrmMMListHead list;
+ DrmMMListHead free;
+} DrmBufList;
+
+
+#endif