[igt-dev] [RFC v2 2/8] lib/vm_bind: Add vm_bind/unbind and execbuf3 ioctls

[Niranjana Vishwanathapura]

From: Adam Miszczak <adam.miszczak at linux.intel.com>

Add required library interfaces for new vm_bind/unbind
and execbuf3 ioctls.

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura at intel.com>
---
 lib/intel_chipset.h  |  2 ++
 lib/ioctl_wrappers.c | 78 ++++++++++++++++++++++++++++++++++++++++++++
 lib/ioctl_wrappers.h |  6 ++++
 3 files changed, 86 insertions(+)

diff --git a/lib/intel_chipset.h b/lib/intel_chipset.h
index d7a6ff190f..7cf8259157 100644
--- a/lib/intel_chipset.h
+++ b/lib/intel_chipset.h
@@ -225,4 +225,6 @@ void intel_check_pch(void);
 
 #define HAS_FLATCCS(devid)	(intel_get_device_info(devid)->has_flatccs)
 
+#define HAS_64K_PAGES(devid)	(IS_DG2(devid))
+
 #endif /* _INTEL_CHIPSET_H */
diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
index 09eb3ce7b5..ac37b6bb43 100644
--- a/lib/ioctl_wrappers.c
+++ b/lib/ioctl_wrappers.c
@@ -706,6 +706,38 @@ void gem_execbuf_wr(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
 	igt_assert_eq(__gem_execbuf_wr(fd, execbuf), 0);
 }
 
+/**
+ * __gem_execbuf3:
+ * @fd: open i915 drm file descriptor
+ * @execbuf: execbuffer data structure
+ *
+ * This wraps the EXECBUFFER3 ioctl, which submits a batchbuffer for the gpu to
+ * run. This is allowed to fail, with -errno returned.
+ */
+int __gem_execbuf3(int fd, struct drm_i915_gem_execbuffer3 *execbuf)
+{
+	int err = 0;
+	if (igt_ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER3, execbuf)) {
+		err = -errno;
+		igt_assume(err != 0);
+	}
+	errno = 0;
+	return err;
+}
+
+/**
+ * gem_execbuf3:
+ * @fd: open i915 drm file descriptor
+ * @execbuf: execbuffer data structure
+ *
+ * This wraps the EXECBUFFER3 ioctl, which submits a batchbuffer for the gpu to
+ * run.
+ */
+void gem_execbuf3(int fd, struct drm_i915_gem_execbuffer3 *execbuf)
+{
+	igt_assert_eq(__gem_execbuf3(fd, execbuf), 0);
+}
+
 /**
  * gem_madvise:
  * @fd: open i915 drm file descriptor
@@ -1328,3 +1360,49 @@ bool igt_has_drm_cap(int fd, uint64_t capability)
 	igt_assert(drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap) == 0);
 	return cap.value;
 }
+
+/* VM_BIND */
+
+int __gem_vm_bind(int fd, struct drm_i915_gem_vm_bind *bind)
+{
+	int err = 0;
+
+	if (drmIoctl(fd, DRM_IOCTL_I915_GEM_VM_BIND, bind))
+		err = -errno;
+	return err;
+}
+
+/**
+ * gem_vm_bind:
+ * @fd: open i915 drm file descriptor
+ * @bind: vm_bind data structure
+ *
+ * This wraps the VM_BIND ioctl to bind an address range to
+ * the specified address space.
+ */
+void gem_vm_bind(int fd, struct drm_i915_gem_vm_bind *bind)
+{
+	igt_assert_eq(__gem_vm_bind(fd, bind), 0);
+}
+
+int __gem_vm_unbind(int fd, struct drm_i915_gem_vm_unbind *unbind)
+{
+	int err = 0;
+
+	if (drmIoctl(fd, DRM_IOCTL_I915_GEM_VM_UNBIND, unbind))
+		err = -errno;
+	return err;
+}
+
+/**
+ * gem_vm_unbind:
+ * @fd: open i915 drm file descriptor
+ * @unbind: vm_unbind data structure
+ *
+ * This wraps the VM_UNBIND ioctl to unbind an address range from
+ * the specified address space.
+ */
+void gem_vm_unbind(int fd, struct drm_i915_gem_vm_unbind *unbind)
+{
+	igt_assert_eq(__gem_vm_unbind(fd, unbind), 0);
+}
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index 9a897fec23..223cd9160c 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -84,6 +84,12 @@ void gem_execbuf_wr(int fd, struct drm_i915_gem_execbuffer2 *execbuf);
 int __gem_execbuf_wr(int fd, struct drm_i915_gem_execbuffer2 *execbuf);
 void gem_execbuf(int fd, struct drm_i915_gem_execbuffer2 *execbuf);
 int __gem_execbuf(int fd, struct drm_i915_gem_execbuffer2 *execbuf);
+void gem_execbuf3(int fd, struct drm_i915_gem_execbuffer3 *execbuf);
+int __gem_execbuf3(int fd, struct drm_i915_gem_execbuffer3 *execbuf);
+int __gem_vm_bind(int fd, struct drm_i915_gem_vm_bind *bind);
+void gem_vm_bind(int fd, struct drm_i915_gem_vm_bind *bind);
+int __gem_vm_unbind(int fd, struct drm_i915_gem_vm_unbind *unbind);
+void gem_vm_unbind(int fd, struct drm_i915_gem_vm_unbind *unbind);
 
 #ifndef I915_GEM_DOMAIN_WC
 #define I915_GEM_DOMAIN_WC 0x80
-- 
2.21.0.rc0.32.g243a4c7e27