sf - SOC+ FC-AL FCP Driver
The sf driver is a SCSA compliant nexus driver which supports the Fibre Channel Protocol for SCSI on Private Fibre Channel Arbitrated loops. An SBus card called the SOC+ card (see socal(7D)) connects the Fibre Channel loop to the host system.
The sf driver interfaces with the SOC+ device driver, socal(7D), the SCSI disk target driver, ssd(7D), and the SCSI-3 Enclosure Services driver, ses(7D). It only supports SCSI devices of type disk and ses.
The sf driver supports the standard functions provided by the SCSA interface. The driver supports auto request sense and tagged queueing by default.
The driver requires that all devices have unique hard addresses defined by switch settings in hardware. Devices with conflicting hard addresses will not be accessible.
See attributes(5) for descriptions of the following attributes:
luxadm(1M), prtconf(1M), driver.conf(4), socal(7D), ssd(7D)
Writing Device Drivers
ANSI X3.272-1996, Fibre Channel Arbitrated Loop (FC-AL)
ANSI X3.269-1996, Fibre Channel Protocol for SCSI (FCP)
ANSI X3.270-1996, SCSI-3 Architecture Model (SAM)
Fibre Channel Private Loop SCSI Direct Attach (FC-PLDA)
In addition to being logged, the messages below may display on the system console.
The first set of messages indicate that the attachment was unsuccessful, and will only display while the sf driver is initially attempting to attach. Each message is preceded by sf%d , where %d is the instance number of the sf device.
Failed to alloc soft state
Bad soft state
Failed to obtain transport handle
Failed to allocate command/response pool
Failed to allocate kmem cache
Failed to allocate dma handle for
Failed to allocate lilp map
Failed to bind dma handle for
Failed to attach
The next set of messages may display at any time. The full device pathname, followed by the shorter form described above, will precede the message.
Invalid lilp map
Target t, AL-PA x and hard
Duplicate switch settings
WWN changed on target t
Target t, unknown device type
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Created 1996-2022 by Maxim Chirkov
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