From b6b5df24b962c94433afe4d8665b5f145bfa1ad3 Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Date: Tue, 12 Jun 2007 12:21:38 +0200
Subject: Try to make buffer object / fence object ioctl args 64-bit safe.
 Introduce tile members for future tiled buffer support. Allow user-space to
 explicitly define a fence-class. Remove the implicit fence-class mechanism.
 64-bit wide buffer object flag member.

---
 libdrm/xf86drm.c | 37 +++++++++++++++++++++++--------------
 libdrm/xf86mm.h  | 19 +++++++++++--------
 2 files changed, 34 insertions(+), 22 deletions(-)

(limited to 'libdrm')

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 63b9354f..4f12bd0b 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2611,13 +2611,16 @@ static void drmBOCopyReply(struct drm_bo_info_rep *rep,
     buf->fenceFlags = rep->fence_flags;
     buf->replyFlags = rep->rep_flags;
     buf->pageAlignment = rep->page_alignment;
+    buf->tileInfo = rep->tile_info;
+    buf->hwTileStride = rep->hw_tile_stride;
+    buf->desiredTileStride = rep->desired_tile_stride;
 }
-    
-    
 
-int drmBOCreate(int fd, unsigned long start, unsigned long size, 
-		unsigned pageAlignment, void *user_buffer, drm_bo_type_t type, 
-		unsigned mask,
+
+
+int drmBOCreate(int fd, unsigned long start, unsigned long size,
+		unsigned pageAlignment, void *user_buffer, drm_bo_type_t type,
+		drm_u64_t mask,
 		unsigned hint, drmBO *buf)
 {
     struct drm_bo_create_arg arg;
@@ -2798,8 +2801,9 @@ int drmBOUnmap(int fd, drmBO *buf)
     }
     return 0;
 }
-    
-int drmBOValidate(int fd, drmBO *buf, unsigned flags, unsigned mask, 
+
+int drmBOValidate(int fd, drmBO *buf,
+		  drm_u64_t flags, drm_u64_t mask,
 		  unsigned hint)
 {
     struct drm_bo_op_arg arg;
@@ -2809,9 +2813,10 @@ int drmBOValidate(int fd, drmBO *buf, unsigned flags, unsigned mask,
 
     memset(&arg, 0, sizeof(arg));
     req->bo_req.handle = buf->handle;
-    req->bo_req.mask = flags;
+    req->bo_req.flags = flags;
+    req->bo_req.mask = mask;
     req->bo_req.hint = hint;
-    req->arg_handle = mask; /* Encode mask in the arg_handle field :/ */
+    req->bo_req.fence_class = 0; /* Backwards compatibility. */
     req->op = drm_bo_validate;
 
     do{
@@ -2839,7 +2844,7 @@ int drmBOFence(int fd, drmBO *buf, unsigned flags, unsigned fenceHandle)
 
     memset(&arg, 0, sizeof(arg));
     req->bo_req.handle = buf->handle;
-    req->bo_req.mask = flags;
+    req->bo_req.flags = flags;
     req->arg_handle = fenceHandle;
     req->op = drm_bo_fence;
 
@@ -2999,12 +3004,13 @@ int drmBOValidateList(int fd, drmBOList *list)
       prevNext = &arg->next;
       req->bo_req.handle = node->buf->handle;
       req->op = drm_bo_validate;
-      req->bo_req.mask = node->arg0;
+      req->bo_req.flags = node->arg0;
       req->bo_req.hint = 0;
-      req->arg_handle = node->arg1;
+      req->bo_req.mask = node->arg1;
+      req->bo_req.fence_class = 0; /* Backwards compat. */
   }
-  
-  if (!first) 
+
+  if (!first)
       return 0;
 
   do{
@@ -3101,6 +3107,9 @@ int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,
     
     memset(&arg, 0, sizeof(arg));
 
+    arg.magic = DRM_BO_INIT_MAGIC;
+    arg.major = DRM_BO_INIT_MAJOR;
+    arg.minor = DRM_BO_INIT_MINOR;
     arg.p_offset = pOffset;
     arg.p_size = pSize;
     arg.mem_type = memType;
diff --git a/libdrm/xf86mm.h b/libdrm/xf86mm.h
index 0b284cc0..68cd7cdd 100644
--- a/libdrm/xf86mm.h
+++ b/libdrm/xf86mm.h
@@ -106,8 +106,8 @@ typedef struct _drmBO{
     drm_bo_type_t type;
     unsigned handle;
     drm_u64_t mapHandle;
-    unsigned flags;
-    unsigned mask;
+    drm_u64_t flags;
+    drm_u64_t mask;
     unsigned mapFlags;
     unsigned long size;
     unsigned long offset;
@@ -115,6 +115,9 @@ typedef struct _drmBO{
     unsigned replyFlags;
     unsigned fenceFlags;
     unsigned pageAlignment;
+    unsigned tileInfo;
+    unsigned hwTileStride;
+    unsigned desiredTileStride;
     void *virtual;
     void *mapVirtual;
     int mapCount;
@@ -172,8 +175,8 @@ extern int drmBOCreateList(int numTarget, drmBOList *list);
  */
 
 extern int drmBOCreate(int fd, unsigned long start, unsigned long size,
-		       unsigned pageAlignment,void *user_buffer, 
-		       drm_bo_type_t type, unsigned mask,
+		       unsigned pageAlignment,void *user_buffer,
+		       drm_bo_type_t type, drm_u64_t mask,
 		       unsigned hint, drmBO *buf);
 extern int drmBODestroy(int fd, drmBO *buf);
 extern int drmBOReference(int fd, unsigned handle, drmBO *buf);
@@ -181,14 +184,14 @@ extern int drmBOUnReference(int fd, drmBO *buf);
 extern int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint,
 		    void **address);
 extern int drmBOUnmap(int fd, drmBO *buf);
-extern int drmBOValidate(int fd, drmBO *buf, unsigned flags, unsigned mask, 
-			 unsigned hint);
+extern int drmBOValidate(int fd, drmBO *buf, drm_u64_t flags,
+			 drm_u64_t mask, unsigned hint);
+
 extern int drmBOFence(int fd, drmBO *buf, unsigned flags, unsigned fenceHandle);
 extern int drmBOInfo(int fd, drmBO *buf);
 extern int drmBOBusy(int fd, drmBO *buf, int *busy);
 
-
-extern int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags, 
+extern int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags,
 		       unsigned mask,
 		       int *newItem);
 extern int drmBOValidateList(int fd, drmBOList *list);
-- 
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