From c9fdfae334af4d5b8d31c8ae532d7a0ee32ba14c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <jose.souza@intel.com>
Date: Tue, 14 Feb 2023 09:25:28 -0800
Subject: [PATCH] iris: Implement the function to destroy VM in Xe
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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/21937>
---
 src/gallium/drivers/iris/iris_bufmgr.c    | 24 +++++++++++++++++++++++
 src/gallium/drivers/iris/iris_bufmgr.h    |  1 +
 src/gallium/drivers/iris/xe/iris_bufmgr.c | 10 ++++++++++
 src/gallium/drivers/iris/xe/iris_bufmgr.h |  1 +
 4 files changed, 36 insertions(+)

diff --git a/src/gallium/drivers/iris/iris_bufmgr.c b/src/gallium/drivers/iris/iris_bufmgr.c
index f00e3ca9d48..d7429c80bc1 100644
--- a/src/gallium/drivers/iris/iris_bufmgr.c
+++ b/src/gallium/drivers/iris/iris_bufmgr.c
@@ -1617,6 +1617,21 @@ iris_bo_wait_rendering(struct iris_bo *bo)
    iris_bo_wait(bo, -1);
 }
 
+static void
+iris_bufmgr_destroy_global_vm(struct iris_bufmgr *bufmgr)
+{
+   switch (bufmgr->devinfo.kmd_type) {
+   case INTEL_KMD_TYPE_I915:
+      /* Nothing to do in i915 */
+      break;
+   case INTEL_KMD_TYPE_XE:
+      iris_xe_destroy_global_vm(bufmgr);
+      break;
+   default:
+      unreachable("missing");
+   }
+}
+
 static void
 iris_bufmgr_destroy(struct iris_bufmgr *bufmgr)
 {
@@ -1677,6 +1692,8 @@ iris_bufmgr_destroy(struct iris_bufmgr *bufmgr)
    for (int z = 0; z < IRIS_MEMZONE_COUNT; z++)
          util_vma_heap_finish(&bufmgr->vma_allocator[z]);
 
+   iris_bufmgr_destroy_global_vm(bufmgr);
+
    close(bufmgr->fd);
 
    simple_mtx_unlock(&bufmgr->lock);
@@ -2372,6 +2389,7 @@ error_slabs_init:
 
       pb_slabs_deinit(&bufmgr->bo_slabs[i]);
    }
+   iris_bufmgr_destroy_global_vm(bufmgr);
 error_init_vm:
 error_engine_info:
    close(bufmgr->fd);
@@ -2497,3 +2515,9 @@ iris_bufmgr_get_kernel_driver_backend(struct iris_bufmgr *bufmgr)
 {
    return bufmgr->kmd_backend;
 }
+
+uint32_t
+iris_bufmgr_get_global_vm_id(struct iris_bufmgr *bufmgr)
+{
+   return bufmgr->global_vm_id;
+}
diff --git a/src/gallium/drivers/iris/iris_bufmgr.h b/src/gallium/drivers/iris/iris_bufmgr.h
index e9fe711463b..b70bb95346c 100644
--- a/src/gallium/drivers/iris/iris_bufmgr.h
+++ b/src/gallium/drivers/iris/iris_bufmgr.h
@@ -584,6 +584,7 @@ uint64_t iris_bufmgr_sram_size(struct iris_bufmgr *bufmgr);
 const struct intel_device_info *iris_bufmgr_get_device_info(struct iris_bufmgr *bufmgr);
 const struct iris_kmd_backend *
 iris_bufmgr_get_kernel_driver_backend(struct iris_bufmgr *bufmgr);
+uint32_t iris_bufmgr_get_global_vm_id(struct iris_bufmgr *bufmgr);
 
 enum iris_madvice {
    IRIS_MADVICE_WILL_NEED = 0,
diff --git a/src/gallium/drivers/iris/xe/iris_bufmgr.c b/src/gallium/drivers/iris/xe/iris_bufmgr.c
index 4af9a46f513..893420fb608 100644
--- a/src/gallium/drivers/iris/xe/iris_bufmgr.c
+++ b/src/gallium/drivers/iris/xe/iris_bufmgr.c
@@ -39,3 +39,13 @@ iris_xe_init_global_vm(struct iris_bufmgr *bufmgr, uint32_t *vm_id)
    *vm_id = create.vm_id;
    return true;
 }
+
+bool
+iris_xe_destroy_global_vm(struct iris_bufmgr *bufmgr)
+{
+   struct drm_xe_vm_destroy destroy = {
+      .vm_id = iris_bufmgr_get_global_vm_id(bufmgr),
+   };
+   return intel_ioctl(iris_bufmgr_get_fd(bufmgr), DRM_IOCTL_XE_VM_DESTROY,
+                      &destroy) == 0;
+}
diff --git a/src/gallium/drivers/iris/xe/iris_bufmgr.h b/src/gallium/drivers/iris/xe/iris_bufmgr.h
index 67ee58eab2d..ae24a98bd68 100644
--- a/src/gallium/drivers/iris/xe/iris_bufmgr.h
+++ b/src/gallium/drivers/iris/xe/iris_bufmgr.h
@@ -28,3 +28,4 @@
 struct iris_bufmgr;
 
 bool iris_xe_init_global_vm(struct iris_bufmgr *bufmgr, uint32_t *vm_id);
+bool iris_xe_destroy_global_vm(struct iris_bufmgr *bufmgr);