platforms/pseries/msi.c

33 static int rtas_change_msi(struct pci_dn *pdn, u32 func, u32 num_irqs)
39 	addr = rtas_config_addr(pdn->busno, pdn->devfn, 0);
40 	buid = pdn->phb->buid;
74 	struct pci_dn *pdn;
76 	pdn = pci_get_pdn(pdev);
77 	if (!pdn)
83 	if (rtas_change_msi(pdn, RTAS_CHANGE_MSI_FN, 0) != 0) {
88 		if (rtas_change_msi(pdn, RTAS_CHANGE_FN, 0) != 0) {
94 static int rtas_query_irq_number(struct pci_dn *pdn, int offset)
100 	addr = rtas_config_addr(pdn->busno, pdn->devfn, 0);
101 	buid = pdn->phb->buid;
346 	struct pci_dn *pdn;
376 	pdn = pci_get_pdn(pdev);
386 			rc = rtas_change_msi(pdn, RTAS_CHANGE_32MSI_FN, nvec);
401 			rc = rtas_change_msi(pdn, RTAS_CHANGE_MSI_FN, nvec);
405 			rc = rtas_change_msi(pdn, RTAS_CHANGE_FN, nvec);
412 			rc = rtas_change_msi(pdn, RTAS_CHANGE_32MSIX_FN, nvec);
414 			rc = rtas_change_msi(pdn, RTAS_CHANGE_MSIX_FN, nvec);