From cd248a95f86df2523056ef8ad895e8ee0c17be53 Mon Sep 17 00:00:00 2001 From: Bikash Hazarika Date: Mon, 21 Aug 2023 18:30:40 +0530 Subject: [PATCH] scsi: qla2xxx: Add logs for SFP temperature monitoring Add logs for SFP Temperature Alert async event to check if laser is enabled/disabled. Signed-off-by: Bikash Hazarika Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20230821130045.34850-5-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_isr.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 867025c89909..e98788191897 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -56,6 +56,22 @@ const char *const port_state_str[] = { [FCS_ONLINE] = "ONLINE" }; +#define SFP_DISABLE_LASER_INITIATED 0x15 /* Sub code of 8070 AEN */ +#define SFP_ENABLE_LASER_INITIATED 0x16 /* Sub code of 8070 AEN */ + +static inline void display_Laser_info(scsi_qla_host_t *vha, + u16 mb1, u16 mb2, u16 mb3) { + + if (mb1 == SFP_DISABLE_LASER_INITIATED) + ql_log(ql_log_warn, vha, 0xf0a2, + "SFP temperature (%d C) reached/exceeded the threshold (%d C). Laser is disabled.\n", + mb3, mb2); + if (mb1 == SFP_ENABLE_LASER_INITIATED) + ql_log(ql_log_warn, vha, 0xf0a3, + "SFP temperature (%d C) reached normal operating level. Laser is enabled.\n", + mb3); +} + static void qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt) { @@ -1927,6 +1943,8 @@ global_port_update: break; case MBA_TEMPERATURE_ALERT: + if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) + display_Laser_info(vha, mb[1], mb[2], mb[3]); ql_dbg(ql_dbg_async, vha, 0x505e, "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); break;