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xen/platform-pci: use define instead of literal number

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Instead of "0x01" use the HVM_PARAM_CALLBACK_TYPE_PCI_INTX define from
the interface header in get_callback_via().

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Juergen Gross 2022-11-14 14:29:37 +01:00
parent c53717e1e3
commit 4abb77fc55
1 changed files with 2 additions and 1 deletions
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3
drivers/xen/platform-pci.c
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@ -54,7 +54,8 @@ static uint64_t get_callback_via(struct pci_dev *pdev)
pin = pdev->pin;
/* We don't know the GSI. Specify the PCI INTx line instead. */
return ((uint64_t)0x01 << HVM_CALLBACK_VIA_TYPE_SHIFT) | /* PCI INTx identifier */
return ((uint64_t)HVM_PARAM_CALLBACK_TYPE_PCI_INTX <<
HVM_CALLBACK_VIA_TYPE_SHIFT) |
((uint64_t)pci_domain_nr(pdev->bus) << 32) |
((uint64_t)pdev->bus->number << 16) |
((uint64_t)(pdev->devfn & 0xff) << 8) |