diff options
| author | Xiang Chen <chenxiang66@hisilicon.com> | 2019-09-06 20:55:36 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-09-10 22:28:57 -0400 |
| commit | 97b151e75861674a176ff8fb5e243dc2aa066af4 (patch) | |
| tree | 93e2ff3d49f820c4eb73eccc4d305c38d8518ee2 /drivers/scsi/hisi_sas/hisi_sas.h | |
| parent | 7ec7082c57ecdd8d37040d31203951f7e2e8e218 (diff) | |
| download | linux-97b151e75861674a176ff8fb5e243dc2aa066af4.tar.gz | |
scsi: hisi_sas: Add BIST support for phy loopback
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>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas.h')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index ccbe4563402a..720c4d6be939 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -310,6 +310,7 @@ struct hisi_sas_hw { int delay_ms, int timeout_ms); void (*snapshot_prepare)(struct hisi_hba *hisi_hba); void (*snapshot_restore)(struct hisi_hba *hisi_hba); + int (*set_bist)(struct hisi_hba *hisi_hba, bool enable); void (*read_iost_itct_cache)(struct hisi_hba *hisi_hba, enum hisi_sas_debugfs_cache_type type, u32 *cache); @@ -391,6 +392,14 @@ struct hisi_hba { int cq_nvecs; unsigned int *reply_map; + /* bist */ + enum sas_linkrate debugfs_bist_linkrate; + int debugfs_bist_code_mode; + int debugfs_bist_phy_no; + int debugfs_bist_mode; + u32 debugfs_bist_cnt; + int debugfs_bist_enable; + /* debugfs memories */ /* Put Global AXI and RAS Register into register array */ u32 *debugfs_regs[DEBUGFS_REGS_NUM]; @@ -404,6 +413,7 @@ struct hisi_hba { struct dentry *debugfs_dir; struct dentry *debugfs_dump_dentry; + struct dentry *debugfs_bist_dentry; bool debugfs_snapshot; }; |