/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 - 2024 Intel Corporation
*/
#ifndef _XE_SRIOV_PF_HELPERS_H_
#define _XE_SRIOV_PF_HELPERS_H_
#include "xe_assert.h"
#include "xe_device_types.h"
#include "xe_sriov.h"
#include "xe_sriov_types.h"
/**
* xe_sriov_pf_assert_vfid ( ) - warn if & id is not a supported VF number when debugging .
* @ xe : the PF & xe_device to assert on
* @ vfid : the VF number to assert
*
* Assert that & xe represents the Physical Function ( PF ) device and provided & vfid
* is within a range of supported VF numbers ( up to maximum number of VFs that
* driver can support , including VF0 that represents the PF itself ) .
*
* Note : Effective only on debug builds . See ` Xe Asserts ` _ for more information .
*/
#define xe_sriov_pf_assert_vfid(xe, vfid) \
xe_assert((xe), (vfid) <= xe_sriov_pf_get_totalvfs(xe))
/**
* xe_sriov_pf_get_totalvfs ( ) - Get maximum number of VFs that driver can support .
* @ xe : the & xe_device to query ( shall be PF )
*
* Return : Maximum number of VFs that this PF driver supports .
*/
static inline int xe_sriov_pf_get_totalvfs(struct xe_device *xe)
{
xe_assert(xe, IS_SRIOV_PF(xe));
return xe->sriov.pf.driver_max_vfs;
}
static inline struct mutex *xe_sriov_pf_master_mutex(struct xe_device *xe)
{
xe_assert(xe, IS_SRIOV_PF(xe));
return &xe->sriov.pf.master_lock;
}
#endif
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