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-rw-r--r--hw/vfio/vfio-helpers.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/hw/vfio/vfio-helpers.h b/hw/vfio/vfio-helpers.h
new file mode 100644
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--- /dev/null
+++ b/hw/vfio/vfio-helpers.h
@@ -0,0 +1,35 @@
+/*
+ * VFIO helpers
+ *
+ * Copyright Red Hat, Inc. 2025
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef HW_VFIO_VFIO_HELPERS_H
+#define HW_VFIO_VFIO_HELPERS_H
+
+#ifdef CONFIG_LINUX
+#include <linux/vfio.h>
+
+extern int vfio_kvm_device_fd;
+
+struct vfio_info_cap_header *
+vfio_get_cap(void *ptr, uint32_t cap_offset, uint16_t id);
+struct vfio_info_cap_header *
+vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id);
+struct vfio_info_cap_header *
+vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id);
+struct vfio_info_cap_header *
+vfio_get_iommu_type1_info_cap(struct vfio_iommu_type1_info *info, uint16_t id);
+bool vfio_get_info_dma_avail(struct vfio_iommu_type1_info *info,
+ unsigned int *avail);
+#endif
+
+int vfio_bitmap_alloc(VFIOBitmap *vbmap, hwaddr size);
+struct vfio_device_info *vfio_get_device_info(int fd);
+
+int vfio_kvm_device_add_fd(int fd, Error **errp);
+int vfio_kvm_device_del_fd(int fd, Error **errp);
+
+#endif /* HW_VFIO_VFIO_HELPERS_H */