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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@linutronix.de>
Author.

Ingo Molnar <mingo@elte.hu>

Author.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.