IRQ_CHIP_COMPOSE_MSI(9)            Internal Functions Provided            IRQ_CHIP_COMPOSE_MSI(9)



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
Kernel Hackers Manual 4.8.                 January 2017                   IRQ_CHIP_COMPOSE_MSI(9)