linux/drivers/scsi/pm8001
Vishakha Channapattan b0c306e621 scsi: pm80xx: Add sysfs attribute to track iop1 count
A new sysfs variable 'ctl_iop1_count' is being introduced that tells if
the controller is alive by indicating controller ticks. If on subsequent
run we see the ticks changing that indicates that controller is not
dead.

Using the 'ctl_iop1_count' sysfs variable we can see ticks incrementing:

    linux-9saw:~# cat  /sys/class/scsi_host/host*/ctl_iop1_count
    0x00000069
    0x0000006b
    0x0000006d
    0x00000072

Link: https://lore.kernel.org/r/20210415103352.3580-6-Viswas.G@microchip.com
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Vishakha Channapattan <vishakhavc@google.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Ruksar Devadi <Ruksar.devadi@microchip.com>
Signed-off-by: Ashokkumar N <Ashokkumar.N@microchip.com>
Signed-off-by: Radha Ramachandran <radha@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-04-15 22:28:59 -04:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pm80xx_hwi.c scsi: pm8001: Clean up white space 2021-04-12 23:21:26 -04:00
pm80xx_hwi.h scsi: pm80xx: Check for fatal error 2021-01-13 00:02:01 -05:00
pm8001_chips.h
pm8001_ctl.c scsi: pm80xx: Add sysfs attribute to track iop1 count 2021-04-15 22:28:59 -04:00
pm8001_ctl.h scsi: pm8001: Clean up white space 2021-04-12 23:21:26 -04:00
pm8001_defs.h scsi: pm80xx: Increase the number of outstanding I/O supported to 1024 2020-10-07 23:50:04 -04:00
pm8001_hwi.c scsi: pm8001: Clean up white space 2021-04-12 23:21:26 -04:00
pm8001_hwi.h scsi: pm80xx: Fix for phy enable/disable functionality 2018-09-11 21:13:08 -04:00
pm8001_init.c scsi: pm8001: Avoid -Wrestrict warning 2021-03-24 23:16:14 -04:00
pm8001_sas.c scsi: pm8001: Clean up white space 2021-04-12 23:21:26 -04:00
pm8001_sas.h scsi: pm8001: Clean up white space 2021-04-12 23:21:26 -04:00