irq_chip_compose_msi_msg (9) - Linux Man Pages

irq_chip_compose_msi_msg: Componse msi message for a irq chip

NAME

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.

COPYRIGHT