anv: Implement Xe functions to create and destroy VM

Also using the vm_id to create gem buffers.

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/21698>

src/intel/vulkan/anv_device.c

@@ -59,6 +59,7 @@
 #include "perf/intel_perf.h"
 
 #include "i915/anv_device.h"
+#include "xe/anv_device.h"
 
 #include "genxml/gen7_pack.h"
 #include "genxml/genX_bits.h"
@@ -3163,6 +3164,36 @@ static struct intel_mapped_pinned_buffer_alloc aux_map_allocator = {
    .free = intel_aux_map_buffer_free,
 };
 
+static VkResult
+anv_device_setup_context_or_vm(struct anv_device *device,
+                               const VkDeviceCreateInfo *pCreateInfo,
+                               const uint32_t num_queues)
+{
+   switch (anv_kmd_type_get(device)) {
+   case INTEL_KMD_TYPE_I915:
+      return anv_i915_device_setup_context(device, pCreateInfo, num_queues);
+   case INTEL_KMD_TYPE_XE:
+      return anv_xe_device_setup_vm(device);
+   default:
+      unreachable("Missing");
+      return VK_ERROR_UNKNOWN;
+   }
+}
+
+static bool
+anv_device_destroy_context_or_vm(struct anv_device *device)
+{
+   switch (anv_kmd_type_get(device)) {
+   case INTEL_KMD_TYPE_I915:
+      return intel_gem_destroy_context(device->fd, device->context_id);
+   case INTEL_KMD_TYPE_XE:
+      return anv_xe_device_destroy_vm(device);
+   default:
+      unreachable("Missing");
+      return false;
+   }
+}
+
 VkResult anv_CreateDevice(
     VkPhysicalDevice                            physicalDevice,
     const VkDeviceCreateInfo*                   pCreateInfo,
@@ -3259,7 +3290,7 @@ VkResult anv_CreateDevice(
    for (uint32_t i = 0; i < pCreateInfo->queueCreateInfoCount; i++)
       num_queues += pCreateInfo->pQueueCreateInfos[i].queueCount;
 
-   result = anv_i915_device_setup_context(device, pCreateInfo, num_queues);
+   result = anv_device_setup_context_or_vm(device, pCreateInfo, num_queues);
    if (result != VK_SUCCESS)
       goto fail_fd;
 
@@ -3636,7 +3667,7 @@ VkResult anv_CreateDevice(
       anv_queue_finish(&device->queues[i]);
    vk_free(&device->vk.alloc, device->queues);
  fail_context_id:
-   intel_gem_destroy_context(device->fd, device->context_id);
+   anv_device_destroy_context_or_vm(device);
  fail_fd:
    close(device->fd);
  fail_device:
@@ -3728,7 +3759,7 @@ void anv_DestroyDevice(
       anv_queue_finish(&device->queues[i]);
    vk_free(&device->vk.alloc, device->queues);
 
-   intel_gem_destroy_context(device->fd, device->context_id);
+   anv_device_destroy_context_or_vm(device);
 
    if (INTEL_DEBUG(DEBUG_BATCH)) {
       for (unsigned i = 0; i < pdevice->queue.family_count; i++)

src/intel/vulkan/anv_kmd_backend.c

@@ -24,6 +24,7 @@
 #include <stdlib.h>
 
 #include "anv_kmd_backend.h"
+#include "anv_private.h"
 
 const struct anv_kmd_backend *
 anv_kmd_backend_get(enum intel_kmd_type type)
@@ -39,3 +40,9 @@ anv_kmd_backend_get(enum intel_kmd_type type)
       return NULL;
    }
 }
+
+inline enum intel_kmd_type
+anv_kmd_type_get(struct anv_device *device)
+{
+   return device->info->kmd_type;
+}

src/intel/vulkan/anv_kmd_backend.h

@@ -68,6 +68,9 @@ struct anv_kmd_backend {
 
 const struct anv_kmd_backend *anv_kmd_backend_get(enum intel_kmd_type type);
 
+enum intel_kmd_type
+anv_kmd_type_get(struct anv_device *device);
+
 /* Internal functions, should only be called by anv_kmd_backend_get() */
 const struct anv_kmd_backend *anv_i915_kmd_backend_get(void);
 const struct anv_kmd_backend *anv_xe_kmd_backend_get(void);

src/intel/vulkan/anv_private.h

@@ -1127,7 +1127,10 @@ struct anv_device {
     const struct intel_device_info *            info;
     const struct anv_kmd_backend *              kmd_backend;
     struct isl_device                           isl_dev;
-    uint32_t                                    context_id;
+    union {
+       uint32_t                                 context_id; /* i915 */
+       uint32_t                                 vm_id; /* Xe */
+    };
     int                                         fd;
 
     pthread_mutex_t                             vma_mutex;

src/intel/vulkan/meson.build

@@ -138,6 +138,8 @@ libanv_files = files(
   'layers/anv_doom64.c',
   'layers/anv_hitman3.c',
   'xe/anv_kmd_backend.c',
+  'xe/anv_device.c',
+  'xe/anv_device.h',
   'anv_allocator.c',
   'anv_android.h',
   'anv_batch_chain.c',

src/intel/vulkan/xe/anv_device.c

@@ -0,0 +1,47 @@
+/*
+ * Copyright © 2023 Intel Corporation
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#include "xe/anv_device.h"
+#include "anv_private.h"
+
+#include "drm-uapi/xe_drm.h"
+
+bool anv_xe_device_destroy_vm(struct anv_device *device)
+{
+   struct drm_xe_vm_destroy destroy = {
+      .vm_id = device->vm_id,
+   };
+   return intel_ioctl(device->fd, DRM_IOCTL_XE_VM_DESTROY, &destroy) == 0;
+}
+
+VkResult anv_xe_device_setup_vm(struct anv_device *device)
+{
+   struct drm_xe_vm_create create = {
+      .flags = DRM_XE_VM_CREATE_SCRATCH_PAGE,
+   };
+   if (intel_ioctl(device->fd, DRM_IOCTL_XE_VM_CREATE, &create) != 0)
+      return vk_errorf(device, VK_ERROR_INITIALIZATION_FAILED,
+                       "vm creation failed");
+
+   device->vm_id = create.vm_id;
+   return VK_SUCCESS;
+}

src/intel/vulkan/xe/anv_device.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright © 2023 Intel Corporation
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+
+#include "vulkan/vulkan_core.h"
+
+struct anv_device;
+
+bool anv_xe_device_destroy_vm(struct anv_device *device);
+VkResult anv_xe_device_setup_vm(struct anv_device *device);

src/intel/vulkan/xe/anv_kmd_backend.c

@@ -32,7 +32,7 @@ xe_gem_create(struct anv_device *device,
               enum anv_bo_alloc_flags alloc_flags)
 {
    struct drm_xe_gem_create gem_create = {
-     .vm_id = 0,/* TODO: create VM */
+     .vm_id = device->vm_id,
      .size = size,
    };
    for (uint16_t i = 0; i < regions_count; i++)