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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2023-2024 Intel Corporation4 */5 6#ifndef _XE_SRIOV_PF_HELPERS_H_7#define _XE_SRIOV_PF_HELPERS_H_8 9#include "xe_assert.h"10#include "xe_device_types.h"11#include "xe_sriov.h"12#include "xe_sriov_types.h"13 14/**15 * xe_sriov_pf_assert_vfid() - warn if &id is not a supported VF number when debugging.16 * @xe: the PF &xe_device to assert on17 * @vfid: the VF number to assert18 *19 * Assert that &xe represents the Physical Function (PF) device and provided &vfid20 * is within a range of supported VF numbers (up to maximum number of VFs that21 * driver can support, including VF0 that represents the PF itself).22 *23 * Note: Effective only on debug builds. See `Xe ASSERTs`_ for more information.24 */25#define xe_sriov_pf_assert_vfid(xe, vfid) \26 xe_assert((xe), (vfid) <= xe_sriov_pf_get_totalvfs(xe))27 28/**29 * xe_sriov_pf_get_totalvfs() - Get maximum number of VFs that driver can support.30 * @xe: the &xe_device to query (shall be PF)31 *32 * Return: Maximum number of VFs that this PF driver supports.33 */34static inline int xe_sriov_pf_get_totalvfs(struct xe_device *xe)35{36 xe_assert(xe, IS_SRIOV_PF(xe));37 return xe->sriov.pf.driver_max_vfs;38}39 40static inline struct mutex *xe_sriov_pf_master_mutex(struct xe_device *xe)41{42 xe_assert(xe, IS_SRIOV_PF(xe));43 return &xe->sriov.pf.master_lock;44}45 46#endif47