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path: root/drivers/vfio/pci/pds/vfio_dev.h
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Diffstat (limited to 'drivers/vfio/pci/pds/vfio_dev.h')
-rw-r--r--drivers/vfio/pci/pds/vfio_dev.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/vfio/pci/pds/vfio_dev.h b/drivers/vfio/pci/pds/vfio_dev.h
new file mode 100644
index 000000000000..b8f2d667608f
--- /dev/null
+++ b/drivers/vfio/pci/pds/vfio_dev.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2023 Advanced Micro Devices, Inc. */
+
+#ifndef _VFIO_DEV_H_
+#define _VFIO_DEV_H_
+
+#include <linux/pci.h>
+#include <linux/vfio_pci_core.h>
+
+#include "dirty.h"
+#include "lm.h"
+
+struct pds_vfio_pci_device {
+ struct vfio_pci_core_device vfio_coredev;
+
+ struct pds_vfio_lm_file *save_file;
+ struct pds_vfio_lm_file *restore_file;
+ struct pds_vfio_dirty dirty;
+ struct mutex state_mutex; /* protect migration state */
+ enum vfio_device_mig_state state;
+ spinlock_t reset_lock; /* protect reset_done flow */
+ u8 deferred_reset;
+ enum vfio_device_mig_state deferred_reset_state;
+ struct notifier_block nb;
+
+ int vf_id;
+ u16 client_id;
+};
+
+void pds_vfio_state_mutex_unlock(struct pds_vfio_pci_device *pds_vfio);
+
+const struct vfio_device_ops *pds_vfio_ops_info(void);
+struct pds_vfio_pci_device *pds_vfio_pci_drvdata(struct pci_dev *pdev);
+void pds_vfio_reset(struct pds_vfio_pci_device *pds_vfio);
+
+struct pci_dev *pds_vfio_to_pci_dev(struct pds_vfio_pci_device *pds_vfio);
+struct device *pds_vfio_to_dev(struct pds_vfio_pci_device *pds_vfio);
+
+#endif /* _VFIO_DEV_H_ */