95 int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)  in arch_setup_msi_irq()  argument
103 	err = chip->setup_irq(chip, dev, desc);  in arch_setup_msi_irq()
107 	irq_set_chip_data(desc->irq, chip);  in arch_setup_msi_irq()
223 u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)  in __pci_msi_desc_mask_irq()  argument
225 	u32 mask_bits = desc->masked;  in __pci_msi_desc_mask_irq()
227 	if (pci_msi_ignore_mask || !desc->msi_attrib.maskbit)  in __pci_msi_desc_mask_irq()
232 	pci_write_config_dword(desc->dev, desc->mask_pos, mask_bits);  in __pci_msi_desc_mask_irq()
237 static void msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)  in msi_mask_irq()  argument
239 	desc->masked = __pci_msi_desc_mask_irq(desc, mask, flag);  in msi_mask_irq()
249 u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag)  in __pci_msix_desc_mask_irq()  argument
251 	u32 mask_bits = desc->masked;  in __pci_msix_desc_mask_irq()
252 	unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +  in __pci_msix_desc_mask_irq()
261 	writel(mask_bits, desc->mask_base + offset);  in __pci_msix_desc_mask_irq()
266 static void msix_mask_irq(struct msi_desc *desc, u32 flag)  in msix_mask_irq()  argument
268 	desc->masked = __pci_msix_desc_mask_irq(desc, flag);  in msix_mask_irq()
273 	struct msi_desc *desc = irq_data_get_msi(data);  in msi_set_mask_bit()  local
275 	if (desc->msi_attrib.is_msix) {  in msi_set_mask_bit()
276 		msix_mask_irq(desc, flag);  in msi_set_mask_bit()
277 		readl(desc->mask_base);		/* Flush write to device */  in msi_set_mask_bit()
279 		unsigned offset = data->irq - desc->irq;  in msi_set_mask_bit()
280 		msi_mask_irq(desc, 1 << offset, flag << offset);  in msi_set_mask_bit()
428 	struct msi_desc *desc = kzalloc(sizeof(*desc), GFP_KERNEL);  in alloc_msi_entry()  local
429 	if (!desc)  in alloc_msi_entry()
432 	INIT_LIST_HEAD(&desc->list);  in alloc_msi_entry()
433 	desc->dev = dev;  in alloc_msi_entry()
435 	return desc;  in alloc_msi_entry()
913 	struct msi_desc *desc;  in pci_msi_shutdown()  local
920 	desc = list_first_entry(&dev->msi_list, struct msi_desc, list);  in pci_msi_shutdown()
927 	mask = msi_mask(desc->msi_attrib.multi_cap);  in pci_msi_shutdown()
929 	__pci_msi_desc_mask_irq(desc, mask, ~mask);  in pci_msi_shutdown()
932 	dev->irq = desc->msi_attrib.default_irq;  in pci_msi_shutdown()
1181 	struct msi_desc *desc = irq_data->msi_desc;  in pci_msi_domain_write_msg()  local
1187 	if (desc->irq == irq_data->irq)  in pci_msi_domain_write_msg()
1188 		__pci_write_msi_msg(desc, msg);  in pci_msi_domain_write_msg()
1199 					  struct msi_desc *desc)  in pci_msi_domain_calc_hwirq()  argument
1201 	return (irq_hw_number_t)desc->msi_attrib.entry_nr |  in pci_msi_domain_calc_hwirq()
1206 static inline bool pci_msi_desc_is_multi_msi(struct msi_desc *desc)  in pci_msi_desc_is_multi_msi()  argument
1208 	return !desc->msi_attrib.is_msix && desc->nvec_used > 1;  in pci_msi_desc_is_multi_msi()
1225 	struct msi_desc *desc = first_pci_msi_entry(to_pci_dev(dev));  in pci_msi_domain_check_cap()  local
1228 	if (pci_msi_desc_is_multi_msi(desc) &&  in pci_msi_domain_check_cap()
1231 	else if (desc->msi_attrib.is_msix && !(info->flags & MSI_FLAG_PCI_MSIX))  in pci_msi_domain_check_cap()
1238 				       struct msi_desc *desc, int error)  in pci_msi_domain_handle_error()  argument
1241 	if (pci_msi_desc_is_multi_msi(desc) && error == -ENOSPC)  in pci_msi_domain_handle_error()
1249 				    struct msi_desc *desc)  in pci_msi_domain_set_desc()  argument
1251 	arg->desc = desc;  in pci_msi_domain_set_desc()
1252 	arg->hwirq = pci_msi_domain_calc_hwirq(msi_desc_to_pci_dev(desc),  in pci_msi_domain_set_desc()
1253 					       desc);  in pci_msi_domain_set_desc()