anv: Partialy import drm-uapi/gpu_scheduler.h and use it

To replace the hard-coded values.
Not fully importing gpu_scheduler.h because it includes several Linux
specific headers that will make the life of anyone porting Xe to
other Unix harder.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22112>

include/drm-uapi/gpu_scheduler.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _DRM_GPU_SCHEDULER_H_
+#define _DRM_GPU_SCHEDULER_H_
+
+/* Only leaving the important enum definition to avoid pull in several Linux
+ * specific headers
+ */
+
+/* These are often used as an (initial) index
+ * to an array, and as such should start at 0.
+ */
+enum drm_sched_priority {
+	DRM_SCHED_PRIORITY_MIN,
+	DRM_SCHED_PRIORITY_NORMAL,
+	DRM_SCHED_PRIORITY_HIGH,
+	DRM_SCHED_PRIORITY_KERNEL,
+
+	DRM_SCHED_PRIORITY_COUNT,
+	DRM_SCHED_PRIORITY_UNSET = -2
+};
+
+#endif

src/intel/vulkan/xe/anv_device.c

@@ -58,20 +58,19 @@ anv_xe_physical_device_get_parameters(struct anv_physical_device *device)
    return VK_SUCCESS;
 }
 
-/* TODO: include gpu_scheduler.h and spsc_queue.h and replace hard-coded values */
-uint64_t
-anv_vk_priority_to_xe(VkQueueGlobalPriorityKHR vk_priority)
+enum drm_sched_priority
+anv_vk_priority_to_drm_sched_priority(VkQueueGlobalPriorityKHR vk_priority)
 {
    switch (vk_priority) {
    case VK_QUEUE_GLOBAL_PRIORITY_LOW_KHR:
-      return 0;
+      return DRM_SCHED_PRIORITY_MIN;
    case VK_QUEUE_GLOBAL_PRIORITY_MEDIUM_KHR:
-      return 1;
+      return DRM_SCHED_PRIORITY_NORMAL;
    case VK_QUEUE_GLOBAL_PRIORITY_HIGH_KHR:
-      return 2;
+      return DRM_SCHED_PRIORITY_HIGH;
    default:
       unreachable("Invalid priority");
-      return 0;
+      return DRM_SCHED_PRIORITY_MIN;
    }
 }
 
@@ -108,7 +107,7 @@ anv_xe_physical_device_max_priority_update(struct anv_physical_device *device)
       struct drm_xe_engine_set_property engine_property = {
          .engine_id = create_engine.engine_id,
          .property = XE_ENGINE_SET_PROPERTY_PRIORITY,
-         engine_property.value = anv_vk_priority_to_xe(priorities[i]),
+         engine_property.value = anv_vk_priority_to_drm_sched_priority(priorities[i]),
       };
       if (intel_ioctl(device->local_fd, DRM_IOCTL_XE_ENGINE_SET_PROPERTY,
                       &engine_property))

src/intel/vulkan/xe/anv_device.h

@@ -27,6 +27,8 @@
 #include "vulkan/vulkan_core.h"
 #include "vk_device.h"
 
+#include "drm-uapi/gpu_scheduler.h"
+
 struct anv_device;
 struct anv_physical_device;
 
@@ -38,4 +40,5 @@ VkResult
 anv_xe_physical_device_get_parameters(struct anv_physical_device *device);
 void
 anv_xe_physical_device_max_priority_update(struct anv_physical_device *device);
-uint64_t anv_vk_priority_to_xe(VkQueueGlobalPriorityKHR vk_priority);
+enum drm_sched_priority
+anv_vk_priority_to_drm_sched_priority(VkQueueGlobalPriorityKHR vk_priority);

src/intel/vulkan/xe/anv_queue.c

@@ -97,7 +97,7 @@ anv_xe_create_engine(struct anv_device *device,
       struct drm_xe_engine_set_property engine_property = {
          .engine_id = create.engine_id,
          .property = XE_ENGINE_SET_PROPERTY_PRIORITY,
-         .value = anv_vk_priority_to_xe(priority),
+         .value = anv_vk_priority_to_drm_sched_priority(priority),
       };
       ret = intel_ioctl(device->fd, DRM_IOCTL_XE_ENGINE_SET_PROPERTY,
                         &engine_property);