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s390/pci: stash version in the zpci_dev

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In preparation for passing the info on to vfio-pci devices, stash the
supported PCI version for the target device in the zpci_dev.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Acked-by: Niklas Schnelle <schnelle@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Matthew Rosato 2020-10-07 14:56:20 -04:00 committed by Alex Williamson
parent ba4f184e12
commit dc8c638d9e
2 changed files with 2 additions and 0 deletions
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1
arch/s390/include/asm/pci.h
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@ -179,6 +179,7 @@ struct zpci_dev {
atomic64_t mapped_pages;
atomic64_t unmapped_pages;
u8 version;
enum pci_bus_speed max_bus_speed;
struct dentry *debugfs_dev;

1
arch/s390/pci/pci_clp.c
View file

@ -102,6 +102,7 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev,
zdev->msi_addr = response->msia;
zdev->max_msi = response->noi;
zdev->fmb_update = response->mui;
zdev->version = response->version;
switch (response->version) {
case 1: