Lines Matching refs:subchannel

48 * The functions use a ccw_device instead of an irq (subchannel).
121 single device is uniquely identified to the system by a so called subchannel,
135 Up to kernel 2.4, Linux/390 used to provide interfaces via the IRQ (subchannel).
140 of those devices is uniquely defined by a so called subchannel by the ESA/390
141 channel subsystem. While the subchannel numbers are system generated, each
142 subchannel also takes a user defined attribute, the so called device number.
143 Both subchannel number and device number cannot exceed 65535. During sysfs
339 The irb->scsw.cstat field provides the (accumulated) subchannel status :
438   -ENODEV   cdev invalid or not-operational subchannel
452 a halt subchannel (HSCH) I/O command. For those purposes the ccw_device_halt()
493 In order to terminate all I/O processing at the subchannel, the clear subchannel