Module Name: src
Committed By: riastradh
Date: Sun Dec 19 01:48:04 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/linux: reservation.h
src/sys/external/bsd/drm2/linux: linux_reservation.c
Log Message:
Add some more reservation API.
Define reservation_object_assert_held.
Just declare reservation_object_copy_fences for now, will implement
later.
To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 \
src/sys/external/bsd/drm2/include/linux/reservation.h
cvs rdiff -u -r1.20 -r1.21 \
src/sys/external/bsd/drm2/linux/linux_reservation.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/linux/reservation.h
diff -u src/sys/external/bsd/drm2/include/linux/reservation.h:1.15 src/sys/external/bsd/drm2/include/linux/reservation.h:1.16
--- src/sys/external/bsd/drm2/include/linux/reservation.h:1.15 Sun Dec 19 01:25:42 2021
+++ src/sys/external/bsd/drm2/include/linux/reservation.h Sun Dec 19 01:48:03 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: reservation.h,v 1.15 2021/12/19 01:25:42 riastradh Exp $ */
+/* $NetBSD: reservation.h,v 1.16 2021/12/19 01:48:03 riastradh Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -64,6 +64,8 @@ struct reservation_poll {
#define reservation_object_add_excl_fence linux_reservation_object_add_excl_fence
#define reservation_object_add_shared_fence linux_reservation_object_add_shared_fence
+#define reservation_object_assert_held linux_reservation_object_assert_held
+#define reservation_object_copy_fences linux_reservation_object_copy_fences
#define reservation_object_fini linux_reservation_object_fini
#define reservation_object_get_excl linux_reservation_object_get_excl
#define reservation_object_get_excl_rcu linux_reservation_object_get_excl_rcu
@@ -95,6 +97,7 @@ int reservation_object_lock_interruptibl
bool reservation_object_trylock(struct reservation_object *) __must_check;
void reservation_object_unlock(struct reservation_object *);
bool reservation_object_held(struct reservation_object *);
+void reservation_object_assert_held(struct reservation_object *);
struct dma_fence *
reservation_object_get_excl(struct reservation_object *);
struct reservation_object_list *
@@ -110,6 +113,9 @@ struct dma_fence *
int reservation_object_get_fences_rcu(struct reservation_object *,
struct dma_fence **, unsigned *, struct dma_fence ***);
+int reservation_object_copy_fences(struct reservation_object *,
+ const struct reservation_object *);
+
bool reservation_object_test_signaled_rcu(struct reservation_object *,
bool);
long reservation_object_wait_timeout_rcu(struct reservation_object *,
Index: src/sys/external/bsd/drm2/linux/linux_reservation.c
diff -u src/sys/external/bsd/drm2/linux/linux_reservation.c:1.20 src/sys/external/bsd/drm2/linux/linux_reservation.c:1.21
--- src/sys/external/bsd/drm2/linux/linux_reservation.c:1.20 Sun Dec 19 01:25:43 2021
+++ src/sys/external/bsd/drm2/linux/linux_reservation.c Sun Dec 19 01:48:03 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: linux_reservation.c,v 1.20 2021/12/19 01:25:43 riastradh Exp $ */
+/* $NetBSD: linux_reservation.c,v 1.21 2021/12/19 01:48:03 riastradh Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_reservation.c,v 1.20 2021/12/19 01:25:43 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_reservation.c,v 1.21 2021/12/19 01:48:03 riastradh Exp $");
#include <sys/param.h>
#include <sys/poll.h>
@@ -190,6 +190,18 @@ reservation_object_held(struct reservati
}
/*
+ * reservation_object_assert_held(robj)
+ *
+ * Panic if robj is not held, in DIAGNOSTIC builds.
+ */
+void
+reservation_object_assert_held(struct reservation_object *robj)
+{
+
+ KASSERT(reservation_object_held(robj));
+}
+
+/*
* reservation_object_get_excl(robj)
*
* Return a pointer to the exclusive fence of the reservation