Message ID | 20230613103159.524763-10-volodymyr_babchuk@epam.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show
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Series |
PCI devices passthrough on Arm, part 3
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expand
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diff --git a/xen/drivers/vpci/header.c b/xen/drivers/vpci/header.c index 677b93226c..1021a61ed6 100644 --- a/xen/drivers/vpci/header.c +++ b/xen/drivers/vpci/header.c @@ -728,6 +728,10 @@ static int cf_check init_bars(struct pci_dev *pdev) */ ASSERT(header->guest_cmd == 0); + /* Reset the command register for guests. */ + if ( !is_hwdom ) + cmd_write(pdev, PCI_COMMAND, 0, header); + /* Setup a handler for the command register. */ rc = vpci_add_register(pdev->vpci, cmd_read, cmd_write, PCI_COMMAND, 2, header);