freebsd-dev/lib/libcam
Andriy Gapon 1abf1e8c6b cam_get_device: resolve path links before parsing device name
The CAM subsystem uses bus:taget:lun tuple to address peripherals.  But
for convenience many userland programs such as camcontrol accept devices
names such as da0.  There is a libcam function, cam_open_device, to
support that.  It first calls cam_get_device() to parse the device name
as a driver name and a unit (and handle some special device name
prefixes) and then uses cam_lookup_pass() to find a matching pass
device.

This change extends cam_get_device() to apply realpath(3) to the device
name before parsing it.  This will allow to use tools such as camcontrol
and smartctl with symbolic links that could be friendlier (more
distinguished) names for devices.

MFC after:	3 weeks
Relnotes:	maybe
2022-01-26 11:25:31 +02:00
..
tests Do a sweep and remove most WARNS=6 settings 2020-10-01 01:10:51 +00:00
cam_cdbparse.3
cam.3 libcam(3): make cam_getccb(3) zero the whole ccb, not just the header 2020-12-29 14:26:06 +00:00
camlib.c cam_get_device: resolve path links before parsing device name 2022-01-26 11:25:31 +02:00
camlib.h
Makefile libcam: Define depop structures and introduce scsi_wrap 2021-09-20 16:27:59 -06:00
Makefile.depend
scsi_cmdparse.c
scsi_wrap.c libcam: Define depop structures and introduce scsi_wrap 2021-09-20 16:27:59 -06:00
scsi_wrap.h libcam: Define depop structures and introduce scsi_wrap 2021-09-20 16:27:59 -06:00