35 static int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)  in pci_msi_setup_msi_irqs()  argument
41 		return msi_domain_alloc_irqs(domain, &dev->dev, nvec);  in pci_msi_setup_msi_irqs()
43 	return arch_setup_msi_irqs(dev, nvec, type);  in pci_msi_setup_msi_irqs()
90 int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)  in arch_setup_msi_irqs()  argument
97 		return chip->setup_irqs(chip, dev, nvec, type);  in arch_setup_msi_irqs()
102 	if (type == PCI_CAP_ID_MSI && nvec > 1)  in arch_setup_msi_irqs()
535 msi_setup_entry(struct pci_dev *dev, int nvec, const struct irq_affinity *affd)  in msi_setup_entry()  argument
542 		masks = irq_create_affinity_masks(nvec, affd);  in msi_setup_entry()
546 	entry = alloc_msi_entry(&dev->dev, nvec, masks);  in msi_setup_entry()
558 	entry->msi_attrib.multiple	= ilog2(__roundup_pow_of_two(nvec));  in msi_setup_entry()
600 static int msi_capability_init(struct pci_dev *dev, int nvec,  in msi_capability_init()  argument
609 	entry = msi_setup_entry(dev, nvec, affd);  in msi_capability_init()
620 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);  in msi_capability_init()
672 			      struct msix_entry *entries, int nvec,  in msix_setup_entries()  argument
680 		masks = irq_create_affinity_masks(nvec, affd);  in msix_setup_entries()
682 	for (i = 0, curmsk = masks; i < nvec; i++) {  in msix_setup_entries()
740 				int nvec, const struct irq_affinity *affd)  in msix_capability_init()  argument
755 	ret = msix_setup_entries(dev, base, entries, nvec, affd);  in msix_capability_init()
759 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX);  in msix_capability_init()
822 static int pci_msi_supported(struct pci_dev *dev, int nvec)  in pci_msi_supported()  argument
838 	if (nvec < 1)  in pci_msi_supported()
936 			     int nvec, const struct irq_affinity *affd)  in __pci_enable_msix()  argument
941 	if (!pci_msi_supported(dev, nvec))  in __pci_enable_msix()
947 	if (nvec > nr_entries)  in __pci_enable_msix()
952 		for (i = 0; i < nvec; i++) {  in __pci_enable_msix()
955 			for (j = i + 1; j < nvec; j++) {  in __pci_enable_msix()
968 	return msix_capability_init(dev, entries, nvec, affd);  in __pci_enable_msix()
1025 	int nvec;  in __pci_enable_msi_range()  local
1042 	nvec = pci_msi_vec_count(dev);  in __pci_enable_msi_range()
1043 	if (nvec < 0)  in __pci_enable_msi_range()
1044 		return nvec;  in __pci_enable_msi_range()
1045 	if (nvec < minvec)  in __pci_enable_msi_range()
1048 	if (nvec > maxvec)  in __pci_enable_msi_range()
1049 		nvec = maxvec;  in __pci_enable_msi_range()
1053 			nvec = irq_calc_affinity_vectors(minvec, nvec, affd);  in __pci_enable_msi_range()
1054 			if (nvec < minvec)  in __pci_enable_msi_range()
1058 		rc = msi_capability_init(dev, nvec, affd);  in __pci_enable_msi_range()
1060 			return nvec;  in __pci_enable_msi_range()
1067 		nvec = rc;  in __pci_enable_msi_range()
1085 	int rc, nvec = maxvec;  in __pci_enable_msix_range()  local
1092 			nvec = irq_calc_affinity_vectors(minvec, nvec, affd);  in __pci_enable_msix_range()
1093 			if (nvec < minvec)  in __pci_enable_msix_range()
1097 		rc = __pci_enable_msix(dev, entries, nvec, affd);  in __pci_enable_msix_range()
1099 			return nvec;  in __pci_enable_msix_range()
1106 		nvec = rc;  in __pci_enable_msix_range()