scsi: hisi_sas: Add BIST support for phy loopback

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Add BIST (built in self test) support for phy loopback.

Through the new debugfs interface, the user can configure loopback
mode/linkrate/phy id/code mode before enabling it. And also user can
enable/disable BIST function.

Link: https://lore.kernel.org/r/1567774537-20003-13-git-send-email-john.garry@huawei.com
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Xiang Chen 2019-09-06 20:55:36 +08:00 • committed by Martin K. Petersen

parent 7ec7082c57

commit 97b151e758

3 changed files with 543 additions and 0 deletions

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10

drivers/scsi/hisi_sas/hisi_sas.h

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407

drivers/scsi/hisi_sas/hisi_sas_main.c

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126

drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

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