irq_chip_compose_msi_msg (9) Linux Manual Page
irq_chip_compose_msi_msg – Componse msi message for a irq chip
Synopsis
int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg);Arguments
data
-
- Pointer to interrupt specific data
msg
- Pointer to the MSI message
Description
For hierarchical domains we find the first chip in the hierarchy which implements the irq_compose_msi_msg callback. For non hierarchical we use the top level chip.
Authors
Thomas Gleixner <tglx [at] linutronix.de>
- Author.
Ingo Molnar <mingo [at] elte.hu>
- Author.