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-rw-r--r--include/linux/msi.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index a4339ebcc035..9bf3cbad1114 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -500,6 +500,27 @@ enum {
};
+/**
+ * struct msi_parent_ops - MSI parent domain callbacks and configuration info
+ *
+ * @supported_flags: Required: The supported MSI flags of the parent domain
+ * @prefix: Optional: Prefix for the domain and chip name
+ * @init_dev_msi_info: Required: Callback for MSI parent domains to setup parent
+ * domain specific domain flags, domain ops and interrupt chip
+ * callbacks when a per device domain is created.
+ */
+struct msi_parent_ops {
+ u32 supported_flags;
+ const char *prefix;
+ bool (*init_dev_msi_info)(struct device *dev, struct irq_domain *domain,
+ struct irq_domain *msi_parent_domain,
+ struct msi_domain_info *msi_child_info);
+};
+
+bool msi_parent_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
+ struct irq_domain *msi_parent_domain,
+ struct msi_domain_info *msi_child_info);
+
int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask,
bool force);