[PATCH i-g-t 1/3] lib/xe_gt: Move reset related function to xe_gt.c

[Michal Wajdeczko]

Those helper functions are per GT and related query function is
already there. While around add simple documentation.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
---
 lib/xe/xe_gt.c          | 39 +++++++++++++++++++++++++++++++++++++++
 lib/xe/xe_gt.h          |  3 +++
 lib/xe/xe_ioctl.c       | 23 -----------------------
 lib/xe/xe_ioctl.h       |  2 --
 lib/xe/xe_legacy.c      |  1 +
 tests/intel/xe_wedged.c |  1 +
 6 files changed, 44 insertions(+), 25 deletions(-)

diff --git a/lib/xe/xe_gt.c b/lib/xe/xe_gt.c
index a1e080b88..8bceca10d 100644
--- a/lib/xe/xe_gt.c
+++ b/lib/xe/xe_gt.c
@@ -57,6 +57,45 @@ bool has_xe_gt_reset(int fd)
 	return 1;
 }
 
+static void xe_force_gt_reset(int fd, int gt, bool sync)
+{
+	char reset_string[128];
+	struct stat st;
+
+	igt_assert_eq(fstat(fd, &st), 0);
+
+	snprintf(reset_string, sizeof(reset_string),
+		 "cat /sys/kernel/debug/dri/%d/gt%d/force_reset%s",
+		 minor(st.st_rdev), gt, sync ? "_sync" : "");
+	system(reset_string);
+}
+
+/**
+ * xe_force_gt_reset_async:
+ * @fd: the Xe DRM file descriptor
+ * @gt: the GT identifier
+ *
+ * This function forces a reset on the selected GT.
+ * It does not wait for the reset completion.
+ */
+void xe_force_gt_reset_async(int fd, int gt)
+{
+	xe_force_gt_reset(fd, gt, false);
+}
+
+/**
+ * xe_force_gt_reset_async:
+ * @fd: the Xe DRM file descriptor
+ * @gt: the GT identifier
+ *
+ * This function forces a reset on the selected GT.
+ * It will wait until the reset completes.
+ */
+void xe_force_gt_reset_sync(int fd, int gt)
+{
+	xe_force_gt_reset(fd, gt, true);
+}
+
 /**
  * xe_force_gt_reset_all:
  *
diff --git a/lib/xe/xe_gt.h b/lib/xe/xe_gt.h
index 06a59281c..93525ea35 100644
--- a/lib/xe/xe_gt.h
+++ b/lib/xe/xe_gt.h
@@ -12,6 +12,9 @@
 
 bool has_xe_gt_reset(int fd);
 void xe_force_gt_reset_all(int fd);
+void xe_force_gt_reset_async(int fd, int gt);
+void xe_force_gt_reset_sync(int fd, int gt);
+
 igt_hang_t xe_hang_ring(int fd, uint64_t ahnd, uint32_t ctx, int ring,
 				unsigned int flags);
 void xe_post_hang_ring(int fd, igt_hang_t arg);
diff --git a/lib/xe/xe_ioctl.c b/lib/xe/xe_ioctl.c
index 53a53cd0d..1e95af409 100644
--- a/lib/xe/xe_ioctl.c
+++ b/lib/xe/xe_ioctl.c
@@ -585,26 +585,3 @@ int64_t xe_wait_ufence(int fd, uint64_t *addr, uint64_t value,
 	igt_assert_eq(__xe_wait_ufence(fd, addr, value, exec_queue, &timeout), 0);
 	return timeout;
 }
-
-static void xe_force_gt_reset(int fd, int gt, bool sync)
-{
-	char reset_string[128];
-	struct stat st;
-
-	igt_assert_eq(fstat(fd, &st), 0);
-
-	snprintf(reset_string, sizeof(reset_string),
-		 "cat /sys/kernel/debug/dri/%d/gt%d/force_reset%s",
-		 minor(st.st_rdev), gt, sync ? "_sync" : "");
-	system(reset_string);
-}
-
-void xe_force_gt_reset_async(int fd, int gt)
-{
-	xe_force_gt_reset(fd, gt, false);
-}
-
-void xe_force_gt_reset_sync(int fd, int gt)
-{
-	xe_force_gt_reset(fd, gt, true);
-}
diff --git a/lib/xe/xe_ioctl.h b/lib/xe/xe_ioctl.h
index 522094ae2..6302d1a7d 100644
--- a/lib/xe/xe_ioctl.h
+++ b/lib/xe/xe_ioctl.h
@@ -99,7 +99,5 @@ int __xe_wait_ufence(int fd, uint64_t *addr, uint64_t value,
 		     uint32_t exec_queue, int64_t *timeout);
 int64_t xe_wait_ufence(int fd, uint64_t *addr, uint64_t value,
 		       uint32_t exec_queue, int64_t timeout);
-void xe_force_gt_reset_async(int fd, int gt);
-void xe_force_gt_reset_sync(int fd, int gt);
 
 #endif /* XE_IOCTL_H */
diff --git a/lib/xe/xe_legacy.c b/lib/xe/xe_legacy.c
index a3ff5da03..6570cf1e6 100644
--- a/lib/xe/xe_legacy.c
+++ b/lib/xe/xe_legacy.c
@@ -5,6 +5,7 @@
 
 #include "lib/igt_syncobj.h"
 #include "linux_scaffold.h"
+#include "xe/xe_gt.h"
 #include "xe/xe_ioctl.h"
 #include "xe/xe_legacy.h"
 #include "xe/xe_spin.h"
diff --git a/tests/intel/xe_wedged.c b/tests/intel/xe_wedged.c
index 1d2c510b7..7fc7ca9eb 100644
--- a/tests/intel/xe_wedged.c
+++ b/tests/intel/xe_wedged.c
@@ -22,6 +22,7 @@
 #include "igt_sysfs.h"
 
 #include "xe_drm.h"
+#include "xe/xe_gt.h"
 #include "xe/xe_ioctl.h"
 #include "xe/xe_query.h"
 #include "xe/xe_spin.h"
-- 
2.47.1