52 static int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)  in pci_msi_setup_msi_irqs()  argument
58 		return pci_msi_domain_alloc_irqs(domain, dev, nvec, type);  in pci_msi_setup_msi_irqs()
60 	return arch_setup_msi_irqs(dev, nvec, type);  in pci_msi_setup_msi_irqs()
107 int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)  in arch_setup_msi_irqs()  argument
114 		return chip->setup_irqs(chip, dev, nvec, type);  in arch_setup_msi_irqs()
119 	if (type == PCI_CAP_ID_MSI && nvec > 1)  in arch_setup_msi_irqs()
573 static struct msi_desc *msi_setup_entry(struct pci_dev *dev, int nvec)  in msi_setup_entry()  argument
591 	entry->msi_attrib.multiple	= ilog2(__roundup_pow_of_two(nvec));  in msi_setup_entry()
592 	entry->nvec_used		= nvec;  in msi_setup_entry()
631 static int msi_capability_init(struct pci_dev *dev, int nvec)  in msi_capability_init()  argument
639 	entry = msi_setup_entry(dev, nvec);  in msi_capability_init()
650 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);  in msi_capability_init()
702 			      struct msix_entry *entries, int nvec)  in msix_setup_entries()  argument
708 	for (i = 0; i < nvec; i++) {  in msix_setup_entries()
769 				struct msix_entry *entries, int nvec)  in msix_capability_init()  argument
795 	ret = msix_setup_entries(dev, base, entries, nvec);  in msix_capability_init()
799 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX);  in msix_capability_init()
857 static int pci_msi_supported(struct pci_dev *dev, int nvec)  in pci_msi_supported()  argument
873 	if (nvec < 1)  in pci_msi_supported()
984 int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec)  in pci_enable_msix()  argument
989 	if (!pci_msi_supported(dev, nvec))  in pci_enable_msix()
998 	if (nvec > nr_entries)  in pci_enable_msix()
1002 	for (i = 0; i < nvec; i++) {  in pci_enable_msix()
1005 		for (j = i + 1; j < nvec; j++) {  in pci_enable_msix()
1017 	return msix_capability_init(dev, entries, nvec);  in pci_enable_msix()
1083 	int nvec;  in pci_enable_msi_range()  local
1101 	nvec = pci_msi_vec_count(dev);  in pci_enable_msi_range()
1102 	if (nvec < 0)  in pci_enable_msi_range()
1103 		return nvec;  in pci_enable_msi_range()
1104 	else if (nvec < minvec)  in pci_enable_msi_range()
1106 	else if (nvec > maxvec)  in pci_enable_msi_range()
1107 		nvec = maxvec;  in pci_enable_msi_range()
1110 		rc = msi_capability_init(dev, nvec);  in pci_enable_msi_range()
1116 			nvec = rc;  in pci_enable_msi_range()
1120 	return nvec;  in pci_enable_msi_range()
1142 	int nvec = maxvec;  in pci_enable_msix_range()  local
1149 		rc = pci_enable_msix(dev, entries, nvec);  in pci_enable_msix_range()
1155 			nvec = rc;  in pci_enable_msix_range()
1159 	return nvec;  in pci_enable_msix_range()
1340 			      int nvec, int type)  in pci_msi_domain_alloc_irqs()  argument
1342 	return msi_domain_alloc_irqs(domain, &dev->dev, nvec);  in pci_msi_domain_alloc_irqs()