diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index b162753cebb7..9f3f0cb95afa 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -28,6 +28,7 @@
 #include "xe_ggtt.h"
 #include "xe_map.h"
 #include "xe_migrate.h"
+#include "xe_mmio_gem.h"
 #include "xe_pat.h"
 #include "xe_pm.h"
 #include "xe_preempt_fence.h"
@@ -3664,6 +3665,39 @@ out_vm:
 	return err;
 }
 
+static int xe_gem_pci_barrier_mmap_offset(struct xe_device *xe, struct drm_file *file,
+					  struct drm_xe_gem_mmap_offset *args)
+{
+	struct xe_file *xef = file->driver_priv;
+	struct xe_mmio_gem **barrier = &xef->mmio_gem.pci_barrier;
+
+	if (XE_IOCTL_DBG(xe, !IS_DGFX(xe)))
+		return -EINVAL;
+
+	if (XE_IOCTL_DBG(xe, args->handle))
+		return -EINVAL;
+
+	scoped_guard(mutex, &xef->mmio_gem.lock) {
+		if (!*barrier) {
+			phys_addr_t phys_addr;
+
+#define LAST_DB_PAGE_OFFSET 0x7ff000
+			phys_addr = pci_resource_start(to_pci_dev(xe->drm.dev), 0) +
+				LAST_DB_PAGE_OFFSET;
+			*barrier = xe_mmio_gem_create(xe, file, phys_addr, SZ_4K);
+			if (IS_ERR(*barrier)) {
+				int err = PTR_ERR(*barrier);
+
+				*barrier = NULL;
+				return err;
+			}
+		}
+
+		args->offset = xe_mmio_gem_mmap_offset(*barrier);
+	}
+	return 0;
+}
+
 int xe_gem_mmap_offset_ioctl(struct drm_device *dev, void *data,
 			     struct drm_file *file)
 {
@@ -3679,21 +3713,8 @@ int xe_gem_mmap_offset_ioctl(struct drm_device *dev, void *data,
 			 ~DRM_XE_MMAP_OFFSET_FLAG_PCI_BARRIER))
 		return -EINVAL;
 
-	if (args->flags & DRM_XE_MMAP_OFFSET_FLAG_PCI_BARRIER) {
-		if (XE_IOCTL_DBG(xe, !IS_DGFX(xe)))
-			return -EINVAL;
-
-		if (XE_IOCTL_DBG(xe, args->handle))
-			return -EINVAL;
-
-		if (XE_IOCTL_DBG(xe, PAGE_SIZE > SZ_4K))
-			return -EINVAL;
-
-		BUILD_BUG_ON(((XE_PCI_BARRIER_MMAP_OFFSET >> XE_PTE_SHIFT) +
-			      SZ_4K) >= DRM_FILE_PAGE_OFFSET_START);
-		args->offset = XE_PCI_BARRIER_MMAP_OFFSET;
-		return 0;
-	}
+	if (args->flags & DRM_XE_MMAP_OFFSET_FLAG_PCI_BARRIER)
+		return xe_gem_pci_barrier_mmap_offset(xe, file, args);
 
 	gem_obj = drm_gem_object_lookup(file, args->handle);
 	if (XE_IOCTL_DBG(xe, !gem_obj))
diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h
index eede678ad303..290ca624e2a7 100644
--- a/drivers/gpu/drm/xe/xe_bo.h
+++ b/drivers/gpu/drm/xe/xe_bo.h
@@ -87,7 +87,6 @@
 
 #define XE_BO_PROPS_INVALID	(-1)
 
-#define XE_PCI_BARRIER_MMAP_OFFSET	(0x50 << XE_PTE_SHIFT)
 
 /**
  * enum xe_madv_purgeable_state - Buffer object purgeable state enumeration
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 8583b2e9ecf4..205cb4e7f9e8 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -50,6 +50,7 @@
 #include "xe_late_bind_fw.h"
 #include "xe_log.h"
 #include "xe_mmio.h"
+#include "xe_mmio_gem.h"
 #include "xe_module.h"
 #include "xe_nvm.h"
 #include "xe_oa.h"
@@ -111,6 +112,8 @@ static int xe_file_open(struct drm_device *dev, struct drm_file *file)
 	mutex_init(&xef->exec_queue.lock);
 	xa_init_flags(&xef->exec_queue.xa, XA_FLAGS_ALLOC1);
 
+	mutex_init(&xef->mmio_gem.lock);
+
 	file->driver_priv = xef;
 	kref_init(&xef->refcount);
 
@@ -133,6 +136,8 @@ static void xe_file_destroy(struct kref *ref)
 	xa_destroy(&xef->vm.xa);
 	mutex_destroy(&xef->vm.lock);
 
+	mutex_destroy(&xef->mmio_gem.lock);
+
 	xe_drm_client_put(xef->client);
 	kfree(xef->process_name);
 	kfree(xef);
@@ -189,6 +194,13 @@ static void xe_file_close(struct drm_device *dev, struct drm_file *file)
 	xa_for_each(&xef->vm.xa, idx, vm)
 		xe_vm_close_and_put(vm);
 
+	scoped_guard(mutex, &xef->mmio_gem.lock) {
+		if (xef->mmio_gem.pci_barrier) {
+			xe_mmio_gem_destroy(xef->mmio_gem.pci_barrier, file);
+			xef->mmio_gem.pci_barrier = NULL;
+		}
+	}
+
 	xe_file_put(xef);
 }
 
@@ -258,95 +270,6 @@ static long xe_drm_compat_ioctl(struct file *file, unsigned int cmd, unsigned lo
 #define xe_drm_compat_ioctl NULL
 #endif
 
-static void barrier_open(struct vm_area_struct *vma)
-{
-	drm_dev_get(vma->vm_private_data);
-}
-
-static void barrier_close(struct vm_area_struct *vma)
-{
-	drm_dev_put(vma->vm_private_data);
-}
-
-static void barrier_release_dummy_page(struct drm_device *dev, void *res)
-{
-	struct page *dummy_page = (struct page *)res;
-
-	__free_page(dummy_page);
-}
-
-static vm_fault_t barrier_fault(struct vm_fault *vmf)
-{
-	struct drm_device *dev = vmf->vma->vm_private_data;
-	struct vm_area_struct *vma = vmf->vma;
-	vm_fault_t ret = VM_FAULT_NOPAGE;
-	pgprot_t prot;
-	int idx;
-
-	prot = vma_get_page_prot(vma);
-
-	if (drm_dev_enter(dev, &idx)) {
-		unsigned long pfn;
-
-#define LAST_DB_PAGE_OFFSET 0x7ff001
-		pfn = PHYS_PFN(pci_resource_start(to_pci_dev(dev->dev), 0) +
-				LAST_DB_PAGE_OFFSET);
-		ret = vmf_insert_pfn_prot(vma, vma->vm_start, pfn,
-					  pgprot_noncached(prot));
-		drm_dev_exit(idx);
-	} else {
-		struct page *page;
-
-		/* Allocate new dummy page to map all the VA range in this VMA to it*/
-		page = alloc_page(GFP_KERNEL | __GFP_ZERO);
-		if (!page)
-			return VM_FAULT_OOM;
-
-		/* Set the page to be freed using drmm release action */
-		if (drmm_add_action_or_reset(dev, barrier_release_dummy_page, page))
-			return VM_FAULT_OOM;
-
-		ret = vmf_insert_pfn_prot(vma, vma->vm_start, page_to_pfn(page),
-					  prot);
-	}
-
-	return ret;
-}
-
-static const struct vm_operations_struct vm_ops_barrier = {
-	.open = barrier_open,
-	.close = barrier_close,
-	.fault = barrier_fault,
-};
-
-static int xe_pci_barrier_mmap(struct file *filp,
-			       struct vm_area_struct *vma)
-{
-	struct drm_file *priv = filp->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct xe_device *xe = to_xe_device(dev);
-
-	if (!IS_DGFX(xe))
-		return -EINVAL;
-
-	if (vma->vm_end - vma->vm_start > SZ_4K)
-		return -EINVAL;
-
-	if (vma_is_cow_mapping(vma))
-		return -EINVAL;
-
-	if (vma->vm_flags & (VM_READ | VM_EXEC))
-		return -EINVAL;
-
-	vm_flags_clear(vma, VM_MAYREAD | VM_MAYEXEC);
-	vm_flags_set(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO);
-	vma->vm_ops = &vm_ops_barrier;
-	vma->vm_private_data = dev;
-	drm_dev_get(vma->vm_private_data);
-
-	return 0;
-}
-
 static int xe_mmap(struct file *filp, struct vm_area_struct *vma)
 {
 	struct drm_file *priv = filp->private_data;
@@ -355,11 +278,6 @@ static int xe_mmap(struct file *filp, struct vm_area_struct *vma)
 	if (drm_dev_is_unplugged(dev))
 		return -ENODEV;
 
-	switch (vma->vm_pgoff) {
-	case XE_PCI_BARRIER_MMAP_OFFSET >> XE_PTE_SHIFT:
-		return xe_pci_barrier_mmap(filp, vma);
-	}
-
 	return drm_gem_mmap(filp, vma);
 }
 
diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index 180d450a6deb..f88bacf63c83 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -40,6 +40,7 @@ struct intel_display;
 struct intel_dg_nvm_dev;
 struct xe_ggtt;
 struct xe_i2c;
+struct xe_mmio_gem;
 struct xe_pat_ops;
 struct xe_pxp;
 struct xe_ttm_stolen_mgr;
@@ -676,6 +677,18 @@ struct xe_file {
 
 	/** @refcount: ref count of this xe file */
 	struct kref refcount;
+
+	/** @mmio_gem: MMIO GEM objects for this xe file */
+	struct {
+		/**
+		 * @mmio_gem.lock: Protects allocation and attach of MMIO
+		 * GEM objects on first use (singleton). All MMIO GEM access
+		 * should be guarded by this lock. Prefer scoped_guard().
+		 */
+		struct mutex lock;
+		/** @mmio_gem.pci_barrier: MMIO GEM object for PCI barrier mmap. */
+		struct xe_mmio_gem *pci_barrier;
+	} mmio_gem;
 };
 
 #endif