364 static int msi_setup_msi_desc(struct pci_dev *dev, int nvec,  in msi_setup_msi_desc()  argument
381 	desc.nvec_used			= nvec;  in msi_setup_msi_desc()
386 	desc.pci.msi_attrib.multiple	= ilog2(__roundup_pow_of_two(nvec));  in msi_setup_msi_desc()
430 static int msi_capability_init(struct pci_dev *dev, int nvec,  in msi_capability_init()  argument
445 		masks = irq_create_affinity_masks(nvec, affd);  in msi_capability_init()
448 	ret = msi_setup_msi_desc(dev, nvec, masks);  in msi_capability_init()
457 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);  in msi_capability_init()
506 				struct msix_entry *entries, int nvec,  in msix_setup_msi_descs()  argument
522 	for (i = 0, curmsk = masks; i < nvec; i++, curmsk++) {  in msix_setup_msi_descs()
566 				 struct msix_entry *entries, int nvec,  in msix_setup_interrupts()  argument
573 		masks = irq_create_affinity_masks(nvec, affd);  in msix_setup_interrupts()
576 	ret = msix_setup_msi_descs(dev, base, entries, nvec, masks);  in msix_setup_interrupts()
580 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX);  in msix_setup_interrupts()
612 				int nvec, struct irq_affinity *affd)  in msix_capability_init()  argument
640 	ret = msix_setup_interrupts(dev, base, entries, nvec, affd);  in msix_capability_init()
677 static int pci_msi_supported(struct pci_dev *dev, int nvec)  in pci_msi_supported()  argument
693 	if (nvec < 1)  in pci_msi_supported()
796 			     int nvec, struct irq_affinity *affd, int flags)  in __pci_enable_msix()  argument
801 	if (!pci_msi_supported(dev, nvec) || dev->current_state != PCI_D0)  in __pci_enable_msix()
807 	if (nvec > nr_entries && !(flags & PCI_IRQ_VIRTUAL))  in __pci_enable_msix()
812 		for (i = 0; i < nvec; i++) {  in __pci_enable_msix()
815 			for (j = i + 1; j < nvec; j++) {  in __pci_enable_msix()
827 	return msix_capability_init(dev, entries, nvec, affd);  in __pci_enable_msix()
867 	int nvec;  in __pci_enable_msi_range()  local
885 	nvec = pci_msi_vec_count(dev);  in __pci_enable_msi_range()
886 	if (nvec < 0)  in __pci_enable_msi_range()
887 		return nvec;  in __pci_enable_msi_range()
888 	if (nvec < minvec)  in __pci_enable_msi_range()
891 	if (nvec > maxvec)  in __pci_enable_msi_range()
892 		nvec = maxvec;  in __pci_enable_msi_range()
900 			nvec = irq_calc_affinity_vectors(minvec, nvec, affd);  in __pci_enable_msi_range()
901 			if (nvec < minvec)  in __pci_enable_msi_range()
905 		rc = msi_capability_init(dev, nvec, affd);  in __pci_enable_msi_range()
907 			return nvec;  in __pci_enable_msi_range()
914 		nvec = rc;  in __pci_enable_msi_range()
933 	int rc, nvec = maxvec;  in __pci_enable_msix_range()  local
947 			nvec = irq_calc_affinity_vectors(minvec, nvec, affd);  in __pci_enable_msix_range()
948 			if (nvec < minvec)  in __pci_enable_msix_range()
952 		rc = __pci_enable_msix(dev, entries, nvec, affd, flags);  in __pci_enable_msix_range()
954 			return nvec;  in __pci_enable_msix_range()
961 		nvec = rc;  in __pci_enable_msix_range()