diff --git a/docs/features.txt b/docs/features.txt
index ade6b8ac1a9..679dc80ec3c 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -557,7 +557,7 @@ Khronos extensions that are not part of any Vulkan version:
   VK_KHR_pipeline_library                               DONE (anv, lvp, nvk, panvk, radv, tu, vn)
   VK_KHR_present_wait                                   DONE (anv, nvk, radv, tu, x11/display)
   VK_KHR_ray_query                                      DONE (anv/gfx12.5+, lvp, radv/gfx10.3+, tu/a740+, vn)
-  VK_KHR_ray_tracing_maintenance1                       DONE (anv/gfx12.5+, radv/gfx10.3+, tu/a740+)
+  VK_KHR_ray_tracing_maintenance1                       DONE (anv/gfx12.5+, radv/gfx10.3+, tu/a740+, vn)
   VK_KHR_ray_tracing_pipeline                           DONE (anv/gfx12.5+, lvp, radv/gfx10.3+, vn)
   VK_KHR_ray_tracing_position_fetch                     DONE (anv, radv/gfx10.3+, vn)
   VK_KHR_shader_clock                                   DONE (anv, hasvk, lvp, nvk, radv, vn)
diff --git a/src/virtio/vulkan/vn_command_buffer.c b/src/virtio/vulkan/vn_command_buffer.c
index 87889129c2c..8c6da7a556e 100644
--- a/src/virtio/vulkan/vn_command_buffer.c
+++ b/src/virtio/vulkan/vn_command_buffer.c
@@ -2810,3 +2810,11 @@ vn_CmdTraceRaysKHR(
                   pMissShaderBindingTable, pHitShaderBindingTable,
                   pCallableShaderBindingTable, width, height, depth);
 }
+
+void
+vn_CmdTraceRaysIndirect2KHR(VkCommandBuffer commandBuffer,
+                            VkDeviceAddress indirectDeviceAddress)
+{
+   VN_CMD_ENQUEUE(vkCmdTraceRaysIndirect2KHR, commandBuffer,
+                  indirectDeviceAddress);
+}
diff --git a/src/virtio/vulkan/vn_physical_device.c b/src/virtio/vulkan/vn_physical_device.c
index 651d36c0794..e1c968f23dd 100644
--- a/src/virtio/vulkan/vn_physical_device.c
+++ b/src/virtio/vulkan/vn_physical_device.c
@@ -160,6 +160,8 @@ vn_physical_device_init_features(struct vn_physical_device *physical_dev)
          fragment_shader_barycentric;
       VkPhysicalDeviceFragmentShadingRateFeaturesKHR fragment_shading_rate;
       VkPhysicalDeviceRayQueryFeaturesKHR ray_query;
+      VkPhysicalDeviceRayTracingMaintenance1FeaturesKHR
+         ray_tracing_maintenance_1;
       VkPhysicalDeviceRayTracingPipelineFeaturesKHR ray_tracing_pipeline;
       VkPhysicalDeviceRayTracingPositionFetchFeaturesKHR
          ray_tracing_position_fetch;
@@ -306,6 +308,7 @@ vn_physical_device_init_features(struct vn_physical_device *physical_dev)
    VN_ADD_PNEXT_EXT(feats2, FRAGMENT_SHADER_BARYCENTRIC_FEATURES_KHR, local_feats.fragment_shader_barycentric, exts->KHR_fragment_shader_barycentric);
    VN_ADD_PNEXT_EXT(feats2, FRAGMENT_SHADING_RATE_FEATURES_KHR, local_feats.fragment_shading_rate, exts->KHR_fragment_shading_rate);
    VN_ADD_PNEXT_EXT(feats2, RAY_QUERY_FEATURES_KHR, local_feats.ray_query, exts->KHR_ray_query);
+   VN_ADD_PNEXT_EXT(feats2, RAY_TRACING_MAINTENANCE_1_FEATURES_KHR, local_feats.ray_tracing_maintenance_1, exts->KHR_ray_tracing_maintenance1);
    VN_ADD_PNEXT_EXT(feats2, RAY_TRACING_PIPELINE_FEATURES_KHR, local_feats.ray_tracing_pipeline, exts->KHR_ray_tracing_pipeline);
    VN_ADD_PNEXT_EXT(feats2, RAY_TRACING_POSITION_FETCH_FEATURES_KHR, local_feats.ray_tracing_position_fetch, exts->KHR_ray_tracing_position_fetch);
    VN_ADD_PNEXT_EXT(feats2, SHADER_CLOCK_FEATURES_KHR, local_feats.shader_clock, exts->KHR_shader_clock);
@@ -1241,6 +1244,7 @@ vn_physical_device_get_passthrough_extensions(
       .KHR_fragment_shading_rate = true,
       .KHR_pipeline_library = true,
       .KHR_ray_query = physical_dev->ray_tracing,
+      .KHR_ray_tracing_maintenance1 = physical_dev->ray_tracing,
       .KHR_ray_tracing_pipeline = physical_dev->ray_tracing,
       .KHR_ray_tracing_position_fetch = physical_dev->ray_tracing,
       .KHR_shader_clock = true,
diff --git a/src/virtio/vulkan/vn_query_pool.c b/src/virtio/vulkan/vn_query_pool.c
index 30d63dfc429..362f4bb8b26 100644
--- a/src/virtio/vulkan/vn_query_pool.c
+++ b/src/virtio/vulkan/vn_query_pool.c
@@ -93,6 +93,20 @@ vn_CreateQueryPool(VkDevice device,
        */
       pool->result_array_size = 1;
       break;
+   case VK_QUERY_TYPE_ACCELERATION_STRUCTURE_SIZE_KHR:
+   case VK_QUERY_TYPE_ACCELERATION_STRUCTURE_SERIALIZATION_BOTTOM_LEVEL_POINTERS_KHR:
+      /*
+       * The VK_QUERY_TYPE_ACCELERATION_STRUCTURE_SIZE_KHR is to query the
+       * acceleration structure size on the device timeline.
+       *
+       * SERIALIZATION_BOTTOM_LEVEL_POINTERS is to query the number of bottom
+       * level acceleration structure pointers for serialization.
+       *
+       * So either of these queries only writes one integer value.
+       *
+       */
+      pool->result_array_size = 1;
+      break;
    default:
       unreachable("bad query type");
       break;