diff options
Diffstat (limited to 'include/device/device.defs')
| -rw-r--r-- | include/device/device.defs | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/include/device/device.defs b/include/device/device.defs index dca1be4e..ec4b5bf8 100644 --- a/include/device/device.defs +++ b/include/device/device.defs @@ -143,22 +143,20 @@ routine device_set_filter( ); routine device_intr_register( - master_port : mach_port_t; - in line : int; + device : device_t; in id : int; in flags : int; in receive_port : mach_port_send_t ); /* - * enable/disable the specified line. + * Acknowledge the specified interrupt notification. */ -/* XXX: Naming a function taht can disable something "xxx_enable" is confusing. */ -/* Is the disable part actually used at all? AIUI, the kernel IRQ handler -should always disable the line; and the userspace driver only has to -reenable it, after acknowledging and handling the interrupt... -*/ -routine device_intr_enable( - master_port : mach_port_t; - line : int; - status : char); +/* + * When an IRQ happens and an intr notification is thus sent, the IRQ line + * is kept disabled until the notification is acknowledged with this RPC + */ +routine device_intr_ack( + device : device_t; + in receive_port : mach_port_send_t); + |