30 int pci_enable_msi(struct pci_dev *dev)  in pci_enable_msi()  argument
32 	int rc = __pci_enable_msi_range(dev, 1, 1, NULL);  in pci_enable_msi()
51 void pci_disable_msi(struct pci_dev *dev)  in pci_disable_msi()  argument
53 	if (!pci_msi_enabled() || !dev || !dev->msi_enabled)  in pci_disable_msi()
56 	msi_lock_descs(&dev->dev);  in pci_disable_msi()
57 	pci_msi_shutdown(dev);  in pci_disable_msi()
58 	pci_free_msi_irqs(dev);  in pci_disable_msi()
59 	msi_unlock_descs(&dev->dev);  in pci_disable_msi()
71 int pci_msix_vec_count(struct pci_dev *dev)  in pci_msix_vec_count()  argument
75 	if (!dev->msix_cap)  in pci_msix_vec_count()
78 	pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &control);  in pci_msix_vec_count()
108 int pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries,  in pci_enable_msix_range()  argument
111 	return __pci_enable_msix_range(dev, entries, minvec, maxvec, NULL, 0);  in pci_enable_msix_range()
123 bool pci_msix_can_alloc_dyn(struct pci_dev *dev)  in pci_msix_can_alloc_dyn()  argument
125 	if (!dev->msix_cap)  in pci_msix_can_alloc_dyn()
128 	return pci_msi_domain_supports(dev, MSI_FLAG_PCI_MSIX_ALLOC_DYN, DENY_LEGACY);  in pci_msix_can_alloc_dyn()
149 struct msi_map pci_msix_alloc_irq_at(struct pci_dev *dev, unsigned int index,  in pci_msix_alloc_irq_at()  argument
154 	if (!dev->msix_enabled)  in pci_msix_alloc_irq_at()
157 	if (!pci_msix_can_alloc_dyn(dev))  in pci_msix_alloc_irq_at()
160 	return msi_domain_alloc_irq_at(&dev->dev, MSI_DEFAULT_DOMAIN, index, affdesc, NULL);  in pci_msix_alloc_irq_at()
172 void pci_msix_free_irq(struct pci_dev *dev, struct msi_map map)  in pci_msix_free_irq()  argument
176 	if (WARN_ON_ONCE(!pci_msix_can_alloc_dyn(dev)))  in pci_msix_free_irq()
178 	msi_domain_free_irqs_range(&dev->dev, MSI_DEFAULT_DOMAIN, map.index, map.index);  in pci_msix_free_irq()
194 void pci_disable_msix(struct pci_dev *dev)  in pci_disable_msix()  argument
196 	if (!pci_msi_enabled() || !dev || !dev->msix_enabled)  in pci_disable_msix()
199 	msi_lock_descs(&dev->dev);  in pci_disable_msix()
200 	pci_msix_shutdown(dev);  in pci_disable_msix()
201 	pci_free_msi_irqs(dev);  in pci_disable_msix()
202 	msi_unlock_descs(&dev->dev);  in pci_disable_msix()
234 int pci_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs,  in pci_alloc_irq_vectors()  argument
237 	return pci_alloc_irq_vectors_affinity(dev, min_vecs, max_vecs,  in pci_alloc_irq_vectors()
254 int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs,  in pci_alloc_irq_vectors_affinity()  argument
270 		nvecs = __pci_enable_msix_range(dev, NULL, min_vecs, max_vecs,  in pci_alloc_irq_vectors_affinity()
277 		nvecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, affd);  in pci_alloc_irq_vectors_affinity()
284 		if (min_vecs == 1 && dev->irq) {  in pci_alloc_irq_vectors_affinity()
292 			pci_intx(dev, 1);  in pci_alloc_irq_vectors_affinity()
313 int pci_irq_vector(struct pci_dev *dev, unsigned int nr)  in pci_irq_vector()  argument
317 	if (!dev->msi_enabled && !dev->msix_enabled)  in pci_irq_vector()
318 		return !nr ? dev->irq : -EINVAL;  in pci_irq_vector()
320 	irq = msi_get_virq(&dev->dev, nr);  in pci_irq_vector()
342 const struct cpumask *pci_irq_get_affinity(struct pci_dev *dev, int nr)  in pci_irq_get_affinity()  argument
344 	int idx, irq = pci_irq_vector(dev, nr);  in pci_irq_get_affinity()
363 	idx = dev->msi_enabled ? nr : 0;  in pci_irq_get_affinity()
395 struct msi_map pci_ims_alloc_irq(struct pci_dev *dev, union msi_instance_cookie *icookie,  in pci_ims_alloc_irq()  argument
398 	return msi_domain_alloc_irq_at(&dev->dev, MSI_SECONDARY_DOMAIN, MSI_ANY_INDEX,  in pci_ims_alloc_irq()
410 void pci_ims_free_irq(struct pci_dev *dev, struct msi_map map)  in pci_ims_free_irq()  argument
414 	msi_domain_free_irqs_range(&dev->dev, MSI_SECONDARY_DOMAIN, map.index, map.index);  in pci_ims_free_irq()
426 void pci_free_irq_vectors(struct pci_dev *dev)  in pci_free_irq_vectors()  argument
428 	pci_disable_msix(dev);  in pci_free_irq_vectors()
429 	pci_disable_msi(dev);  in pci_free_irq_vectors()
441 void pci_restore_msi_state(struct pci_dev *dev)  in pci_restore_msi_state()  argument
443 	__pci_restore_msi_state(dev);  in pci_restore_msi_state()
444 	__pci_restore_msix_state(dev);  in pci_restore_msi_state()