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authorJiang Liu <jiang.liu@linux.intel.com>2014-11-11 21:02:18 +0800
committerThomas Gleixner <tglx@linutronix.de>2014-11-23 13:01:47 +0100
commit3878eaefb89aa841ae4c2150490cee864ac628cb (patch)
tree3eb53c942a8e6081f8501d647e0f8e7215ce8ae0 /include/linux/msi.h
parent38b6a1cf3e4df0a3267c01fab699ab65d58690f4 (diff)
downloadop-kernel-dev-3878eaefb89aa841ae4c2150490cee864ac628cb.zip
op-kernel-dev-3878eaefb89aa841ae4c2150490cee864ac628cb.tar.gz
PCI/MSI: Enhance core to support hierarchy irqdomain
Enhance PCI MSI core to support hierarchy irqdomain, so the common code can be shared across architectures. [ tglx: Extracted and combined from several patches ] Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Yingjoe Chen <yingjoe.chen@mediatek.com> Cc: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/msi.h')
-rw-r--r--include/linux/msi.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 0098e2c..1628788 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -220,4 +220,18 @@ struct msi_domain_info *msi_get_domain_info(struct irq_domain *domain);
#endif /* CONFIG_GENERIC_MSI_IRQ_DOMAIN */
+#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
+void pci_msi_domain_write_msg(struct irq_data *irq_data, struct msi_msg *msg);
+struct irq_domain *pci_msi_create_irq_domain(struct device_node *node,
+ struct msi_domain_info *info,
+ struct irq_domain *parent);
+int pci_msi_domain_alloc_irqs(struct irq_domain *domain, struct pci_dev *dev,
+ int nvec, int type);
+void pci_msi_domain_free_irqs(struct irq_domain *domain, struct pci_dev *dev);
+irq_hw_number_t pci_msi_domain_calc_hwirq(struct pci_dev *dev,
+ struct msi_desc *desc);
+int pci_msi_domain_check_cap(struct irq_domain *domain,
+ struct msi_domain_info *info, struct device *dev);
+#endif /* CONFIG_PCI_MSI_IRQ_DOMAIN */
+
#endif /* LINUX_MSI_H */
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