The Fibre Channel adapter is an SBus card that implements two full duplex Fibre Channel interfaces. Each interface can connect to a Fibre Channel arbitrated loop (FC-AL). The usoc device driver is a nexus driver and implements portions of the FC-2 and FC-4 layers of FC-AL.

/kernel/drv/usoc

32-bit ELF kernel module

/kernel/drv/sparcv9/usoc

64-bit ELF kernel module

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Architecture	SPARC
Interface stability	Unknown
Availability	SUNWusoc

fctl(7D), sbus(4), fcp(7D), fp(7D), ssd(7D)

Writing Device Drivers

Fibre Channel Physical and Signaling Interface (FC-PH) ANSI X3.230: 1994

Fibre Channel Arbitrated Loop (FC-AL) ANSI X3.272-1996

Fibre Channel Private Loop SCSI Direct Attach (FC-PLDA) NCITS TR-19:1998

Fabric Channel Loop Attachment (FC-FLA), NCITS TR-20:1998

The following messages are logged and may also appear on the system console. On the console these messages are preceded by:

usoc%d:

where

usoc%d:

is the per-port instance number of the usoc controller.

Fibre Channel is ONLINE

The Fibre Channel loop is now online.

Fibre Channel Loop is ONLINE

The Fibre Channel loop is now online.

Fibre Channel Loop is OFFLINE 

The Fibre Channel loop is now offline.

attach failed: device in slave-only slot.

Move soc+ card to another slot.

attach failed: alloc soft state. 

Driver did not attach, devices will be inaccessible.

attach failed: bad soft state.

Driver did not attach, devices will be inaccessible.

attach failed: unable to map eeprom 

Driver was unable to map device memory; check for bad hardware. Driver did not attach to device, devices will be inaccessible.

attach failed: unable to map XRAM

Driver was unable to map device memory; check for bad hardware. Driver did not attach to device, devices will be inaccessible.

attach failed: unable to map registers

Driver was unable to map device registers; check for bad hardware. Driver did not attach to device, devices will be inaccessible.

attach failed: unable to access status register

Driver was unable to map device registers; check for bad hardware. Driver did not attach to device, devices will be inaccessible.

attach failed: unable to install interrupt handler 

Driver was not able to add the interrupt routine to the kernel. Driver did not attach to device, devices will be inaccessible.

attach failed: unable to access host adapter XRAM

Driver was unable to access device RAM; check for bad hardware. Driver did not attach to device, devices will be inaccessible.

attach failed: unable to write host adapter XRAM 

Driver was unable to write device RAM; check for bad hardware. Driver did not attach to device, devices will be inaccessible.

attach failed: read/write mismatch in XRAM

Driver was unable to verify device RAM; check for bad hardware. Driver did not attach to device, devices will be inaccessible.