diff options
Diffstat (limited to 'include/linux/msi.h')
| -rw-r--r-- | include/linux/msi.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h index 1f1bbb5b4679..784fb52b9900 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -76,7 +76,7 @@ struct msi_desc { unsigned int nvec_used; struct device *dev; struct msi_msg msg; - struct cpumask *affinity; + struct irq_affinity_desc *affinity; union { /* PCI MSI/X specific data */ @@ -116,6 +116,8 @@ struct msi_desc { list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list) #define for_each_msi_entry(desc, dev) \ list_for_each_entry((desc), dev_to_msi_list((dev)), list) +#define for_each_msi_entry_safe(desc, tmp, dev) \ + list_for_each_entry_safe((desc), (tmp), dev_to_msi_list((dev)), list) #ifdef CONFIG_PCI_MSI #define first_pci_msi_entry(pdev) first_msi_entry(&(pdev)->dev) @@ -136,7 +138,7 @@ static inline void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg) #endif /* CONFIG_PCI_MSI */ struct msi_desc *alloc_msi_entry(struct device *dev, int nvec, - const struct cpumask *affinity); + const struct irq_affinity_desc *affinity); void free_msi_entry(struct msi_desc *entry); void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg); void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg); @@ -289,6 +291,8 @@ enum { * MSI_FLAG_ACTIVATE_EARLY has been set. */ MSI_FLAG_MUST_REACTIVATE = (1 << 5), + /* Is level-triggered capable, using two messages */ + MSI_FLAG_LEVEL_CAPABLE = (1 << 6), }; int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask, @@ -315,11 +319,18 @@ int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev, int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev, int virq, int nvec, msi_alloc_info_t *args); struct irq_domain * -platform_msi_create_device_domain(struct device *dev, - unsigned int nvec, - irq_write_msi_msg_t write_msi_msg, - const struct irq_domain_ops *ops, - void *host_data); +__platform_msi_create_device_domain(struct device *dev, + unsigned int nvec, + bool is_tree, + irq_write_msi_msg_t write_msi_msg, + const struct irq_domain_ops *ops, + void *host_data); + +#define platform_msi_create_device_domain(dev, nvec, write, ops, data) \ + __platform_msi_create_device_domain(dev, nvec, false, write, ops, data) +#define platform_msi_create_device_tree_domain(dev, nvec, write, ops, data) \ + __platform_msi_create_device_domain(dev, nvec, true, write, ops, data) + int platform_msi_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs); void platform_msi_domain_free(struct irq_domain *domain, unsigned int virq, |
