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vbar:msi:msix: export vbar/msi/msix access checking

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Change vbar/msi/msix access checking from private to public.

Tracked-On: #3241
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yin Fengwei
2019-07-11 16:24:06 +08:00
committed by ACRN System Integration
parent c2d25aafb8
commit 37de8f0b99
3 changed files with 32 additions and 37 deletions
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32
hypervisor/dm/vpci/vpci_priv.h
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@@ -93,6 +93,38 @@ static inline bool has_msix_cap(const struct pci_vdev *vdev)
return (vdev->msix.capoff != 0U);
}
/**
* @pre vdev != NULL
*/
static inline bool msixcap_access(const struct pci_vdev *vdev, uint32_t offset)
{
return (has_msix_cap(vdev) && in_range(offset, vdev->msix.capoff, vdev->msix.caplen));
}
/**
* @pre vdev != NULL
*/
static inline bool vbar_access(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes)
{
return (is_bar_offset(vdev->nr_bars, offset) && (bytes == 4U) && ((offset & 0x3U) == 0U));
}
/**
* @pre vdev != NULL
*/
static inline bool has_msi_cap(const struct pci_vdev *vdev)
{
return (vdev->msi.capoff != 0U);
}
/**
* @pre vdev != NULL
*/
static inline bool msicap_access(const struct pci_vdev *vdev, uint32_t offset)
{
return (has_msi_cap(vdev) && in_range(offset, vdev->msi.capoff, vdev->msi.caplen));
}
/**
* @pre vdev != NULL
*/