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()
580 msi_setup_entry(struct pci_dev *dev, int nvec, struct irq_affinity *affd)  in msi_setup_entry()  argument
587 		masks = irq_create_affinity_masks(nvec, affd);  in msi_setup_entry()
590 	entry = alloc_msi_entry(&dev->dev, nvec, masks);  in msi_setup_entry()
606 	entry->msi_attrib.multiple	= ilog2(__roundup_pow_of_two(nvec));  in msi_setup_entry()
639  * @nvec: number of interrupts to allocate
648 static int msi_capability_init(struct pci_dev *dev, int nvec,  in msi_capability_init()  argument
657 	entry = msi_setup_entry(dev, nvec, affd);  in msi_capability_init()
668 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);  in msi_capability_init()
720 			      struct msix_entry *entries, int nvec,  in msix_setup_entries()  argument
730 		masks = irq_create_affinity_masks(nvec, affd);  in msix_setup_entries()
732 	for (i = 0, curmsk = masks; i < nvec; i++) {  in msix_setup_entries()
800  * @nvec: number of @entries
808 				int nvec, struct irq_affinity *affd)  in msix_capability_init()  argument
831 	ret = msix_setup_entries(dev, base, entries, nvec, affd);  in msix_capability_init()
835 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX);  in msix_capability_init()
897  * @nvec: how many MSIs have been requested?
903 static int pci_msi_supported(struct pci_dev *dev, int nvec)  in pci_msi_supported()  argument
917 	 *  b) the list manipulation code assumes nvec >= 1.  in pci_msi_supported()
919 	if (nvec < 1)  in pci_msi_supported()
1016 			     int nvec, struct irq_affinity *affd, int flags)  in __pci_enable_msix()  argument
1021 	if (!pci_msi_supported(dev, nvec) || dev->current_state != PCI_D0)  in __pci_enable_msix()
1027 	if (nvec > nr_entries && !(flags & PCI_IRQ_VIRTUAL))  in __pci_enable_msix()
1032 		for (i = 0; i < nvec; i++) {  in __pci_enable_msix()
1035 			for (j = i + 1; j < nvec; j++) {  in __pci_enable_msix()
1047 	return msix_capability_init(dev, entries, nvec, affd);  in __pci_enable_msix()
1102 	int nvec;  in __pci_enable_msi_range()  local
1120 	nvec = pci_msi_vec_count(dev);  in __pci_enable_msi_range()
1121 	if (nvec < 0)  in __pci_enable_msi_range()
1122 		return nvec;  in __pci_enable_msi_range()
1123 	if (nvec < minvec)  in __pci_enable_msi_range()
1126 	if (nvec > maxvec)  in __pci_enable_msi_range()
1127 		nvec = maxvec;  in __pci_enable_msi_range()
1131 			nvec = irq_calc_affinity_vectors(minvec, nvec, affd);  in __pci_enable_msi_range()
1132 			if (nvec < minvec)  in __pci_enable_msi_range()
1136 		rc = msi_capability_init(dev, nvec, affd);  in __pci_enable_msi_range()
1138 			return nvec;  in __pci_enable_msi_range()
1145 		nvec = rc;  in __pci_enable_msi_range()
1164 	int rc, nvec = maxvec;  in __pci_enable_msix_range()  local
1174 			nvec = irq_calc_affinity_vectors(minvec, nvec, affd);  in __pci_enable_msix_range()
1175 			if (nvec < minvec)  in __pci_enable_msix_range()
1179 		rc = __pci_enable_msix(dev, entries, nvec, affd, flags);  in __pci_enable_msix_range()
1181 			return nvec;  in __pci_enable_msix_range()
1188 		nvec = rc;  in __pci_enable_msix_range()