drm/xe/uapi: Split xe_sync types from flags

Let's continue on the uapi clean-up with more splits
with stuff into their own exclusive fields instead of
reusing stuff.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>

drivers/gpu/drm/xe/xe_sync.c

@@ -17,8 +17,6 @@
 #include "xe_macros.h"
 #include "xe_sched_job_types.h"
 
-#define SYNC_FLAGS_TYPE_MASK 0x3
-
 struct user_fence {
 	struct xe_device *xe;
 	struct kref refcount;
@@ -109,15 +107,13 @@ int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef,
 	if (copy_from_user(&sync_in, sync_user, sizeof(*sync_user)))
 		return -EFAULT;
 
-	if (XE_IOCTL_DBG(xe, sync_in.flags &
-			 ~(SYNC_FLAGS_TYPE_MASK | DRM_XE_SYNC_FLAG_SIGNAL)) ||
-	    XE_IOCTL_DBG(xe, sync_in.pad) ||
+	if (XE_IOCTL_DBG(xe, sync_in.flags & ~DRM_XE_SYNC_FLAG_SIGNAL) ||
 	    XE_IOCTL_DBG(xe, sync_in.reserved[0] || sync_in.reserved[1]))
 		return -EINVAL;
 
 	signal = sync_in.flags & DRM_XE_SYNC_FLAG_SIGNAL;
-	switch (sync_in.flags & SYNC_FLAGS_TYPE_MASK) {
-	case DRM_XE_SYNC_FLAG_SYNCOBJ:
+	switch (sync_in.type) {
+	case DRM_XE_SYNC_TYPE_SYNCOBJ:
 		if (XE_IOCTL_DBG(xe, in_lr_mode && signal))
 			return -EOPNOTSUPP;
 
@@ -135,7 +131,7 @@ int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef,
 		}
 		break;
 
-	case DRM_XE_SYNC_FLAG_TIMELINE_SYNCOBJ:
+	case DRM_XE_SYNC_TYPE_TIMELINE_SYNCOBJ:
 		if (XE_IOCTL_DBG(xe, in_lr_mode && signal))
 			return -EOPNOTSUPP;
 
@@ -165,12 +161,7 @@ int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef,
 		}
 		break;
 
-	case DRM_XE_SYNC_FLAG_DMA_BUF:
-		if (XE_IOCTL_DBG(xe, "TODO"))
-			return -EINVAL;
-		break;
-
-	case DRM_XE_SYNC_FLAG_USER_FENCE:
+	case DRM_XE_SYNC_TYPE_USER_FENCE:
 		if (XE_IOCTL_DBG(xe, !signal))
 			return -EOPNOTSUPP;
 
@@ -192,6 +183,7 @@ int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef,
 		return -EINVAL;
 	}
 
+	sync->type = sync_in.type;
 	sync->flags = sync_in.flags;
 	sync->timeline_value = sync_in.timeline_value;
 
@@ -252,8 +244,7 @@ void xe_sync_entry_signal(struct xe_sync_entry *sync, struct xe_sched_job *job,
 			user_fence_put(sync->ufence);
 			dma_fence_put(fence);
 		}
-	} else if ((sync->flags & SYNC_FLAGS_TYPE_MASK) ==
-		   DRM_XE_SYNC_FLAG_USER_FENCE) {
+	} else if (sync->type == DRM_XE_SYNC_TYPE_USER_FENCE) {
 		job->user_fence.used = true;
 		job->user_fence.addr = sync->addr;
 		job->user_fence.value = sync->timeline_value;

drivers/gpu/drm/xe/xe_sync_types.h

@@ -21,6 +21,7 @@ struct xe_sync_entry {
 	struct user_fence *ufence;
 	u64 addr;
 	u64 timeline_value;
+	u32 type;
 	u32 flags;
 };
 

include/uapi/drm/xe_drm.h

@@ -947,16 +947,16 @@ struct drm_xe_sync {
 	/** @extensions: Pointer to the first extension struct, if any */
 	__u64 extensions;
 
-#define DRM_XE_SYNC_FLAG_SYNCOBJ		0x0
-#define DRM_XE_SYNC_FLAG_TIMELINE_SYNCOBJ	0x1
-#define DRM_XE_SYNC_FLAG_DMA_BUF		0x2
-#define DRM_XE_SYNC_FLAG_USER_FENCE		0x3
-#define DRM_XE_SYNC_FLAG_SIGNAL		0x10
+#define DRM_XE_SYNC_TYPE_SYNCOBJ		0x0
+#define DRM_XE_SYNC_TYPE_TIMELINE_SYNCOBJ	0x1
+#define DRM_XE_SYNC_TYPE_USER_FENCE		0x2
+	/** @type: Type of the this sync object */
+	__u32 type;
+
+#define DRM_XE_SYNC_FLAG_SIGNAL	(1 << 0)
+	/** @flags: Sync Flags */
 	__u32 flags;
 
-	/** @pad: MBZ */
-	__u32 pad;
-
 	union {
 		__u32 handle;