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Message-ID: <CAMGffEmyVPFr5LGR4DsF4SAvuYyA=s4Y3kZdzrxHePtbNF7xzw@mail.gmail.com>
Date: Wed, 19 Apr 2023 09:17:38 +0200
From: Jinpu Wang <jinpu.wang@...os.com>
To: Pranav Prasad <pranavpp@...gle.com>
Cc: Jack Wang <jinpu.wang@...ud.ionos.com>,
"James E . J . Bottomley" <jejb@...ux.ibm.com>,
"Martin K . Petersen" <martin.petersen@...cle.com>,
linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
Akshat Jain <akshatzen@...gle.com>
Subject: Re: [PATCH 1/6] scsi: pm80xx: Log some HW events by default
On Tue, Apr 18, 2023 at 9:01 PM Pranav Prasad <pranavpp@...gle.com> wrote:
>
> From: Akshat Jain <akshatzen@...gle.com>
>
> Log the following hw_event logs under EVENT log severity
> to help debug disk issues:
> HW_EVENT_LINK_ERR_INVALID_DWORD
> HW_EVENT_LINK_ERR_DISPARITY_ERROR
> HW_EVENT_LINK_ERR_CODE_VIOLATION
> HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH
> HW_EVENT_LINK_ERR_PHY_RESET_FAILED
> HW_EVENT_INBOUND_CRC_ERROR
> HW_EVENT_PHY_ERROR
> HW_EVENT_SAS_PHY_UP
> HW_EVENT_SATA_PHY_UP
> HW_EVENT_SATA_SPINUP_HOLD
> HW_EVENT_PHY_DOWN
> HW_EVENT_PORT_INVALID
> HW_EVENT_MALFUNCTION
> HW_EVENT_PORT_RESET_TIMER_TMO
> HW_EVENT_PORT_RECOVERY_TIMER_TMO
> HW_EVENT_HARD_RESET_RECEIVED
> HW_EVENT_ID_FRAME_TIMEOUT
> HW_EVENT_PORT_RECOVER
>
> Signed-off-by: Akshat Jain <akshatzen@...gle.com>
> Signed-off-by: Pranav Prasad <pranavpp@...gle.com>
Acked-by: Jack Wang <jinpu.wang@...os.com>
> ---
> drivers/scsi/pm8001/pm8001_init.c | 3 +-
> drivers/scsi/pm8001/pm8001_sas.h | 1 +
> drivers/scsi/pm8001/pm80xx_hwi.c | 72 ++++++++++++++++++++-----------
> 3 files changed, 50 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
> index 7e589fe3e010..d8dc629c0efb 100644
> --- a/drivers/scsi/pm8001/pm8001_init.c
> +++ b/drivers/scsi/pm8001/pm8001_init.c
> @@ -43,7 +43,8 @@
> #include "pm8001_chips.h"
> #include "pm80xx_hwi.h"
>
> -static ulong logging_level = PM8001_FAIL_LOGGING | PM8001_IOERR_LOGGING;
> +static ulong logging_level = PM8001_FAIL_LOGGING | PM8001_IOERR_LOGGING |
> + PM8001_EVENT_LOGGING;
> module_param(logging_level, ulong, 0644);
> MODULE_PARM_DESC(logging_level, " bits for enabling logging info.");
>
> diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
> index dc1f4d958e03..953572fc0d9e 100644
> --- a/drivers/scsi/pm8001/pm8001_sas.h
> +++ b/drivers/scsi/pm8001/pm8001_sas.h
> @@ -71,6 +71,7 @@
> #define PM8001_DEV_LOGGING 0x80 /* development message logging */
> #define PM8001_DEVIO_LOGGING 0x100 /* development io message logging */
> #define PM8001_IOERR_LOGGING 0x200 /* development io err message logging */
> +#define PM8001_EVENT_LOGGING 0x400 /* HW event logging */
>
> #define pm8001_info(HBA, fmt, ...) \
> pr_info("%s:: %s %d: " fmt, \
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index 9584cadc4201..ce6a442d2418 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -3425,26 +3425,31 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> switch (eventType) {
>
> case HW_EVENT_SAS_PHY_UP:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_SAS_PHY_UP phyid:%#x\n", phy_id);
> hw_event_sas_phy_up(pm8001_ha, piomb);
> break;
> case HW_EVENT_SATA_PHY_UP:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_SATA_PHY_UP phyid:%#x\n", phy_id);
> hw_event_sata_phy_up(pm8001_ha, piomb);
> break;
> case HW_EVENT_SATA_SPINUP_HOLD:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_SATA_SPINUP_HOLD phyid:%#x\n", phy_id);
> sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PHY_DOWN:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
> + pm8001_dbg(pm8001_ha, EVENT, "HW_EVENT_PHY_DOWN phyid:%#x\n",
> + phy_id);
> hw_event_phy_down(pm8001_ha, piomb);
> phy->phy_attached = 0;
> phy->phy_state = PHY_LINK_DISABLE;
> break;
> case HW_EVENT_PORT_INVALID:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_PORT_INVALID phyid:%#x\n", phy_id);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> @@ -3463,7 +3468,8 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> GFP_ATOMIC);
> break;
> case HW_EVENT_PHY_ERROR:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
> + pm8001_dbg(pm8001_ha, EVENT, "HW_EVENT_PHY_ERROR phyid:%#x\n",
> + phy_id);
> sas_phy_disconnected(&phy->sas_phy);
> phy->phy_attached = 0;
> sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
> @@ -3477,34 +3483,39 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_INVALID_DWORD:
> - pm8001_dbg(pm8001_ha, MSG,
> - "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_LINK_ERR_INVALID_DWORD phyid:%#x\n",
> + phy_id);
> pm80xx_hw_event_ack_req(pm8001_ha, 0,
> HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
> break;
> case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
> - pm8001_dbg(pm8001_ha, MSG,
> - "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_LINK_ERR_DISPARITY_ERROR phyid:%#x\n",
> + phy_id);
> pm80xx_hw_event_ack_req(pm8001_ha, 0,
> HW_EVENT_LINK_ERR_DISPARITY_ERROR,
> port_id, phy_id, 0, 0);
> break;
> case HW_EVENT_LINK_ERR_CODE_VIOLATION:
> - pm8001_dbg(pm8001_ha, MSG,
> - "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_LINK_ERR_CODE_VIOLATION phyid:%#x\n",
> + phy_id);
> pm80xx_hw_event_ack_req(pm8001_ha, 0,
> HW_EVENT_LINK_ERR_CODE_VIOLATION,
> port_id, phy_id, 0, 0);
> break;
> case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
> - pm8001_dbg(pm8001_ha, MSG,
> - "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH phyid:%#x\n",
> + phy_id);
> pm80xx_hw_event_ack_req(pm8001_ha, 0,
> HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
> port_id, phy_id, 0, 0);
> break;
> case HW_EVENT_MALFUNCTION:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_MALFUNCTION phyid:%#x\n", phy_id);
> break;
> case HW_EVENT_BROADCAST_SES:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
> @@ -3515,25 +3526,29 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> GFP_ATOMIC);
> break;
> case HW_EVENT_INBOUND_CRC_ERROR:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_INBOUND_CRC_ERROR phyid:%#x\n", phy_id);
> pm80xx_hw_event_ack_req(pm8001_ha, 0,
> HW_EVENT_INBOUND_CRC_ERROR,
> port_id, phy_id, 0, 0);
> break;
> case HW_EVENT_HARD_RESET_RECEIVED:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_HARD_RESET_RECEIVED phyid:%#x\n", phy_id);
> sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
> break;
> case HW_EVENT_ID_FRAME_TIMEOUT:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_ID_FRAME_TIMEOUT phyid:%#x\n", phy_id);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
> - pm8001_dbg(pm8001_ha, MSG,
> - "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_LINK_ERR_PHY_RESET_FAILED phyid:%#x\n",
> + phy_id);
> pm80xx_hw_event_ack_req(pm8001_ha, 0,
> HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
> port_id, phy_id, 0, 0);
> @@ -3543,7 +3558,9 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> GFP_ATOMIC);
> break;
> case HW_EVENT_PORT_RESET_TIMER_TMO:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_PORT_RESET_TIMER_TMO phyid:%#x\n",
> + phy_id);
> if (!pm8001_ha->phy[phy_id].reset_completion) {
> pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
> port_id, phy_id, 0, 0);
> @@ -3560,8 +3577,9 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> }
> break;
> case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
> - pm8001_dbg(pm8001_ha, MSG,
> - "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_PORT_RECOVERY_TIMER_TMO phyid:%#x\n",
> + phy_id);
> pm80xx_hw_event_ack_req(pm8001_ha, 0,
> HW_EVENT_PORT_RECOVERY_TIMER_TMO,
> port_id, phy_id, 0, 0);
> @@ -3575,11 +3593,15 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> }
> break;
> case HW_EVENT_PORT_RECOVER:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_PORT_RECOVER phyid:%#x port_id:%#x\n",
> + phy_id, port_id);
> hw_event_port_recover(pm8001_ha, piomb);
> break;
> case HW_EVENT_PORT_RESET_COMPLETE:
> - pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
> + pm8001_dbg(pm8001_ha, EVENT,
> + "HW_EVENT_PORT_RESET_COMPLETE phyid:%#x port_id:%#x\n",
> + phy_id, port_id);
> if (pm8001_ha->phy[phy_id].reset_completion) {
> pm8001_ha->phy[phy_id].port_reset_status =
> PORT_RESET_SUCCESS;
> --
> 2.40.0.634.g4ca3ef3211-goog
>
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