[igt-dev] [PATCH i-g-t 1/3] xe/xe_ioctl: Add xe_wait_ufence_abstime() helper
Zbigniew Kempczyński
zbigniew.kempczynski at intel.com
Wed May 31 19:30:41 UTC 2023
Xe user fences supports passing timeout in relative or absolute form.
Add helper for absolute one.
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Cc: Kamil Konieczny <kamil.konieczny at linux.intel.com>
---
lib/xe/xe_ioctl.c | 20 ++++++++++++++++++++
lib/xe/xe_ioctl.h | 3 +++
2 files changed, 23 insertions(+)
diff --git a/lib/xe/xe_ioctl.c b/lib/xe/xe_ioctl.c
index 66a8393fe9..fe61b70a83 100644
--- a/lib/xe/xe_ioctl.c
+++ b/lib/xe/xe_ioctl.c
@@ -418,6 +418,26 @@ void xe_wait_ufence(int fd, uint64_t *addr, uint64_t value,
igt_assert_eq(igt_ioctl(fd, DRM_IOCTL_XE_WAIT_USER_FENCE, &wait), 0);
}
+long xe_wait_ufence_abstime(int fd, uint64_t *addr, uint64_t value,
+ struct drm_xe_engine_class_instance *eci,
+ int64_t timeout)
+{
+ struct drm_xe_wait_user_fence wait = {
+ .addr = to_user_pointer(addr),
+ .op = DRM_XE_UFENCE_WAIT_EQ,
+ .flags = !eci ? DRM_XE_UFENCE_WAIT_SOFT_OP | DRM_XE_UFENCE_WAIT_ABSTIME : 0,
+ .value = value,
+ .mask = DRM_XE_UFENCE_WAIT_U64,
+ .timeout = timeout,
+ .num_engines = eci ? 1 : 0,
+ .instances = eci ? to_user_pointer(eci) : 0,
+ };
+
+ igt_assert_eq(igt_ioctl(fd, DRM_IOCTL_XE_WAIT_USER_FENCE, &wait), 0);
+
+ return wait.timeout;
+}
+
void xe_force_gt_reset(int fd, int gt)
{
char reset_string[128];
diff --git a/lib/xe/xe_ioctl.h b/lib/xe/xe_ioctl.h
index 049cd183d6..9b44892fe9 100644
--- a/lib/xe/xe_ioctl.h
+++ b/lib/xe/xe_ioctl.h
@@ -82,6 +82,9 @@ void xe_exec_wait(int fd, uint32_t engine, uint64_t addr);
void xe_wait_ufence(int fd, uint64_t *addr, uint64_t value,
struct drm_xe_engine_class_instance *eci,
int64_t timeout);
+long xe_wait_ufence_abstime(int fd, uint64_t *addr, uint64_t value,
+ struct drm_xe_engine_class_instance *eci,
+ int64_t timeout);
void xe_force_gt_reset(int fd, int gt);
void xe_vm_madvise(int fd, uint32_t vm, uint64_t addr, uint64_t size,
uint32_t property, uint32_t value);
--
2.34.1
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