| u32 address_lo; /* low 32 bits of msi message address */ |
| u32 address_hi; /* high 32 bits of msi message address */ |
| u32 data; /* 16 bits of msi message data */ |
| extern void mask_msi_irq(unsigned int irq); |
| extern void unmask_msi_irq(unsigned int irq); |
| extern void read_msi_msg(unsigned int irq, struct msi_msg *msg); |
| extern void write_msi_msg(unsigned int irq, struct msi_msg *msg); |
| __u8 type : 5; /* {0: unused, 5h:MSI, 11h:MSI-X} */ |
| __u8 maskbit : 1; /* mask-pending bit supported ? */ |
| __u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */ |
| __u8 pos; /* Location of the msi capability */ |
| __u16 entry_nr; /* specific enabled entry */ |
| unsigned default_irq; /* default pre-assigned irq */ |
| /* PM save area for MSIX address/data */ |
| * The arch hook for setup up msi irqs |
| int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc); |
| void arch_teardown_msi_irq(unsigned int irq); |