[Intel-gfx] [RFC PATCH v3 17/17] drm/i915: Enable execbuf3 ioctl for vm_bind

Andi Shyti
2022-08-27T19:47:22Z

From: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>

Add the uapi for the implemented execbuf3 ioctl to present it for
userspace. This ioctl can be used only for vm_bind mode and vm_binded
batchbuffers can be submitted only through execbuf3 ioctl.

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
---
drivers/gpu/drm/i915/i915_driver.c | 1 +
include/uapi/drm/i915_drm.h | 2 ++
2 files changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 841b5d62c2c01..f3b0bbfbe9746 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -1805,6 +1805,7 @@ static const struct drm_ioctl_desc i915_ioctls[] = {
DRM_IOCTL_DEF_DRV(I915_GEM_INIT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER, drm_invalid_op, DRM_AUTH),
DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2_WR, i915_gem_execbuffer2_ioctl, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER3, i915_gem_execbuffer3_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GEM_PIN, i915_gem_reject_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(I915_GEM_UNPIN, i915_gem_reject_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_RENDER_ALLOW),
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index b4b844f558b24..c807d48e1f96c 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -472,6 +472,7 @@ typedef struct _drm_i915_sarea {
#define DRM_I915_GEM_CREATE_EXT 0x3c
#define DRM_I915_GEM_VM_BIND 0x3d
#define DRM_I915_GEM_VM_UNBIND 0x3e
+#define DRM_I915_GEM_EXECBUFFER3 0x3f
/* Must be kept compact -- no holes */

#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
@@ -538,6 +539,7 @@ typedef struct _drm_i915_sarea {
#define DRM_IOCTL_I915_GEM_VM_DESTROY DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_VM_DESTROY, struct drm_i915_gem_vm_control)
#define DRM_IOCTL_I915_GEM_VM_BIND DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_VM_BIND, struct drm_i915_gem_vm_bind)
#define DRM_IOCTL_I915_GEM_VM_UNBIND DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_VM_UNBIND, struct drm_i915_gem_vm_unbind)
+#define DRM_IOCTL_I915_GEM_EXECBUFFER3 DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER3, struct drm_i915_gem_execbuffer3)

/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
--
2.34.1