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hv: prohibit PF from being assigned

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We didn't support SR-IOV capability of PF in UOS for now, we should
hide the SR-IOV capability if we pass through the PF to a UOS.

For now, we don't support assignment of PF to a UOS.

Tracked-On: #4433

Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Acked-by: Eddie Dong <eddie.dong@Intel.com>
This commit is contained in:
Yuan Liu
2020-02-26 11:20:53 +08:00
committed by wenlingz
parent 657af925c1
commit 7b429fe483
1 changed files with 7 additions and 1 deletions
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8
hypervisor/dm/vpci/vpci.c
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@@ -710,7 +710,13 @@ int32_t vpci_assign_pcidev(struct acrn_vm *tgt_vm, struct acrn_assign_pcidev *pc
sos_vm = get_sos_vm();
spinlock_obtain(&sos_vm->vpci.lock);
vdev_in_sos = pci_find_vdev(&sos_vm->vpci, bdf);
if ((vdev_in_sos != NULL) && (vdev_in_sos->vpci->vm == sos_vm) && (vdev_in_sos->pdev != NULL)) {
/*
* TODO We didn't support SR-IOV capability of PF in UOS for now, we should
* hide the SR-IOV capability if we pass through the PF to a UOS.
*
* For now, we don't support assignment of PF to a UOS.
*/
if ((vdev_in_sos != NULL) && (vdev_in_sos->vpci->vm == sos_vm) && (vdev_in_sos->pdev != NULL) && (!has_sriov_cap(vdev_in_sos))) {
/* ToDo: Each PT device must support one type reset */
if (!vdev_in_sos->pdev->has_pm_reset && !vdev_in_sos->pdev->has_flr &&
!vdev_in_sos->pdev->has_af_flr) {