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()
122 int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)  in arch_setup_msi_irqs()  argument
131 	if (type == PCI_CAP_ID_MSI && nvec > 1)  in arch_setup_msi_irqs()
586 static struct msi_desc *msi_setup_entry(struct pci_dev *dev, int nvec)  in msi_setup_entry()  argument
604 	entry->msi_attrib.multiple	= ilog2(__roundup_pow_of_two(nvec));  in msi_setup_entry()
605 	entry->nvec_used		= nvec;  in msi_setup_entry()
644 static int msi_capability_init(struct pci_dev *dev, int nvec)  in msi_capability_init()  argument
652 	entry = msi_setup_entry(dev, nvec);  in msi_capability_init()
663 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);  in msi_capability_init()
714 			      struct msix_entry *entries, int nvec)  in msix_setup_entries()  argument
719 	for (i = 0; i < nvec; i++) {  in msix_setup_entries()
771 				struct msix_entry *entries, int nvec)  in msix_capability_init()  argument
786 	ret = msix_setup_entries(dev, base, entries, nvec);  in msix_capability_init()
790 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX);  in msix_capability_init()
853 static int pci_msi_supported(struct pci_dev *dev, int nvec)  in pci_msi_supported()  argument
869 	if (nvec < 1)  in pci_msi_supported()
980 int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec)  in pci_enable_msix()  argument
985 	if (!pci_msi_supported(dev, nvec))  in pci_enable_msix()
994 	if (nvec > nr_entries)  in pci_enable_msix()
998 	for (i = 0; i < nvec; i++) {  in pci_enable_msix()
1001 		for (j = i + 1; j < nvec; j++) {  in pci_enable_msix()
1013 	return msix_capability_init(dev, entries, nvec);  in pci_enable_msix()
1093 	int nvec;  in pci_enable_msi_range()  local
1111 	nvec = pci_msi_vec_count(dev);  in pci_enable_msi_range()
1112 	if (nvec < 0)  in pci_enable_msi_range()
1113 		return nvec;  in pci_enable_msi_range()
1114 	else if (nvec < minvec)  in pci_enable_msi_range()
1116 	else if (nvec > maxvec)  in pci_enable_msi_range()
1117 		nvec = maxvec;  in pci_enable_msi_range()
1120 		rc = msi_capability_init(dev, nvec);  in pci_enable_msi_range()
1126 			nvec = rc;  in pci_enable_msi_range()
1130 	return nvec;  in pci_enable_msi_range()
1152 	int nvec = maxvec;  in pci_enable_msix_range()  local
1159 		rc = pci_enable_msix(dev, entries, nvec);  in pci_enable_msix_range()
1165 			nvec = rc;  in pci_enable_msix_range()
1169 	return nvec;  in pci_enable_msix_range()
1324 			      int nvec, int type)  in pci_msi_domain_alloc_irqs()  argument
1326 	return msi_domain_alloc_irqs(domain, &dev->dev, nvec);  in pci_msi_domain_alloc_irqs()