[PATCH i-g-t 06/17] lib/ioctl: Add gem_context_destroy helpers

[Daniel Vetter <daniel.vetter@ffwll.ch>]

We also need a raw version for some tests.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 lib/ioctl_wrappers.c | 32 ++++++++++++++++++++++++++++++++
 lib/ioctl_wrappers.h |  2 ++
 2 files changed, 34 insertions(+)

diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
index c8c0e1c16f8b..e86b3c2bfa46 100644
--- a/lib/ioctl_wrappers.c
+++ b/lib/ioctl_wrappers.c
@@ -630,6 +630,38 @@ uint32_t gem_context_create(int fd)
 	return create.ctx_id;
 }
 
+int __gem_context_destroy(int fd, uint32_t ctx_id)
+{
+	struct drm_i915_gem_context_destroy destroy;
+	int ret;
+
+	memset(&destroy, 0, sizeof(destroy));
+	destroy.ctx_id = ctx_id;
+
+	ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_CONTEXT_DESTROY, &destroy);
+	if (ret)
+		return -errno;
+	return 0;
+}
+
+/**
+ * gem_context_create:
+ * @fd: open i915 drm file descriptor
+ * @ctx_id: i915 hw context id
+ *
+ * This is a wraps the CONTEXT_DESTROY ioctl, which is used to free a hardware
+ * context.
+ */
+void gem_context_destroy(int fd, uint32_t ctx_id)
+{
+	struct drm_i915_gem_context_destroy destroy;
+
+	memset(&destroy, 0, sizeof(destroy));
+	destroy.ctx_id = ctx_id;
+
+	do_ioctl(fd, DRM_IOCTL_I915_GEM_CONTEXT_DESTROY, &destroy);
+}
+
 /**
  * gem_sw_finish:
  * @fd: open i915 drm file descriptor
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index 23b8c9d56e44..ad10bd03d370 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -95,6 +95,8 @@ void *gem_mmap__wc(int fd, uint32_t handle, int offset, int size, int prot);
 int gem_madvise(int fd, uint32_t handle, int state);
 
 uint32_t gem_context_create(int fd);
+void gem_context_destroy(int fd, uint32_t ctx_id);
+int __gem_context_destroy(int fd, uint32_t ctx_id);
 
 void gem_sw_finish(int fd, uint32_t handle);
 
-- 
2.1.4

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