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()
548 static struct msi_desc *msi_setup_entry(struct pci_dev *dev, int nvec)  in msi_setup_entry()  argument
566 	entry->msi_attrib.multiple	= ilog2(__roundup_pow_of_two(nvec));  in msi_setup_entry()
567 	entry->nvec_used		= nvec;  in msi_setup_entry()
606 static int msi_capability_init(struct pci_dev *dev, int nvec)  in msi_capability_init()  argument
614 	entry = msi_setup_entry(dev, nvec);  in msi_capability_init()
625 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);  in msi_capability_init()
677 			      struct msix_entry *entries, int nvec)  in msix_setup_entries()  argument
682 	for (i = 0; i < nvec; i++) {  in msix_setup_entries()
734 				struct msix_entry *entries, int nvec)  in msix_capability_init()  argument
749 	ret = msix_setup_entries(dev, base, entries, nvec);  in msix_capability_init()
753 	ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX);  in msix_capability_init()
816 static int pci_msi_supported(struct pci_dev *dev, int nvec)  in pci_msi_supported()  argument
832 	if (nvec < 1)  in pci_msi_supported()
944 int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec)  in pci_enable_msix()  argument
949 	if (!pci_msi_supported(dev, nvec))  in pci_enable_msix()
958 	if (nvec > nr_entries)  in pci_enable_msix()
962 	for (i = 0; i < nvec; i++) {  in pci_enable_msix()
965 		for (j = i + 1; j < nvec; j++) {  in pci_enable_msix()
977 	return msix_capability_init(dev, entries, nvec);  in pci_enable_msix()
1045 	int nvec;  in pci_enable_msi_range()  local
1063 	nvec = pci_msi_vec_count(dev);  in pci_enable_msi_range()
1064 	if (nvec < 0)  in pci_enable_msi_range()
1065 		return nvec;  in pci_enable_msi_range()
1066 	else if (nvec < minvec)  in pci_enable_msi_range()
1068 	else if (nvec > maxvec)  in pci_enable_msi_range()
1069 		nvec = maxvec;  in pci_enable_msi_range()
1072 		rc = msi_capability_init(dev, nvec);  in pci_enable_msi_range()
1078 			nvec = rc;  in pci_enable_msi_range()
1082 	return nvec;  in pci_enable_msi_range()
1104 	int nvec = maxvec;  in pci_enable_msix_range()  local
1111 		rc = pci_enable_msix(dev, entries, nvec);  in pci_enable_msix_range()
1117 			nvec = rc;  in pci_enable_msix_range()
1121 	return nvec;  in pci_enable_msix_range()
1300 			      int nvec, int type)  in pci_msi_domain_alloc_irqs()  argument
1302 	return msi_domain_alloc_irqs(domain, &dev->dev, nvec);  in pci_msi_domain_alloc_irqs()