37 lines
648 B
C
37 lines
648 B
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* s390 kvm PCI passthrough support
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*
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* Copyright IBM Corp. 2022
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*
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* Author(s): Matthew Rosato <mjrosato@linux.ibm.com>
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*/
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#include <linux/kvm_host.h>
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#include <linux/pci.h>
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#include "pci.h"
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static int kvm_s390_pci_dev_open(struct zpci_dev *zdev)
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{
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struct kvm_zdev *kzdev;
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kzdev = kzalloc(sizeof(struct kvm_zdev), GFP_KERNEL);
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if (!kzdev)
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return -ENOMEM;
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kzdev->zdev = zdev;
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zdev->kzdev = kzdev;
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return 0;
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}
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static void kvm_s390_pci_dev_release(struct zpci_dev *zdev)
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{
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struct kvm_zdev *kzdev;
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kzdev = zdev->kzdev;
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WARN_ON(kzdev->zdev != zdev);
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zdev->kzdev = NULL;
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kfree(kzdev);
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}
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