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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Data Object Exchange
4 * PCIe r6.0, sec 6.30 DOE
5 *
6 * Copyright (C) 2021 Huawei
7 * Jonathan Cameron <Jonathan.Cameron@huawei.com>
8 *
9 * Copyright (C) 2022 Intel Corporation
10 * Ira Weiny <ira.weiny@intel.com>
11 */
12
13#ifndef LINUX_PCI_DOE_H
14#define LINUX_PCI_DOE_H
15
16struct pci_doe_mb;
17
18#define PCI_DOE_FEATURE_DISCOVERY 0
19#define PCI_DOE_FEATURE_CMA 1
20#define PCI_DOE_FEATURE_SSESSION 2
21
22struct pci_doe_mb *pci_find_doe_mailbox(struct pci_dev *pdev, u16 vendor,
23 u8 type);
24
25int pci_doe(struct pci_doe_mb *doe_mb, u16 vendor, u8 type,
26 const void *request, size_t request_sz,
27 void *response, size_t response_sz);
28
29#endif