Re: [PATCH 1/6] scsi: pm80xx: Log some HW events by default

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On Tue, Apr 18, 2023 at 9:01 PM Pranav Prasad <pranavpp@xxxxxxxxxx> wrote:
>
> From: Akshat Jain <akshatzen@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> Signed-off-by: Pranav Prasad <pranavpp@xxxxxxxxxx>
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx>
> ---
>  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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