Re: [PATCH 5/6] scsi: pm80xx: Log port state during HW event

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On Tue, Apr 18, 2023 at 9:01 PM Pranav Prasad <pranavpp@xxxxxxxxxx> wrote:
>
> From: Akshat Jain <akshatzen@xxxxxxxxxx>
>
> Log port state during PHY_DOWN event to understand reasoning for PHY_DOWNs.
>
> Signed-off-by: Akshat Jain <akshatzen@xxxxxxxxxx>
> Signed-off-by: Pranav Prasad <pranavpp@xxxxxxxxxx>
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx>
> ---
>  drivers/scsi/pm8001/pm80xx_hwi.c | 43 ++++++++++++++++----------------
>  1 file changed, 22 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index 8571f6222eb8..85908068b8d7 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -3239,9 +3239,9 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
>         struct pm8001_port *port = &pm8001_ha->port[port_id];
>         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
>         unsigned long flags;
> -       pm8001_dbg(pm8001_ha, DEVIO,
> -                  "port id %d, phy id %d link_rate %d portstate 0x%x\n",
> -                  port_id, phy_id, link_rate, portstate);
> +       pm8001_dbg(pm8001_ha, EVENT,
> +                  "HW_EVENT_SATA_PHY_UP phyid:%#x port_id:%#x link_rate:%d portstate:%#x\n",
> +                  phy_id, port_id, link_rate, portstate);
>
>         phy->port = port;
>         port->port_id = port_id;
> @@ -3291,10 +3291,14 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
>         phy->phy_attached = 0;
>         switch (portstate) {
>         case PORT_VALID:
> +               pm8001_dbg(pm8001_ha, EVENT,
> +                       "HW_EVENT_PHY_DOWN phyid:%#x port_id:%#x portstate: PORT_VALID\n",
> +                       phy_id, port_id);
>                 break;
>         case PORT_INVALID:
> -               pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
> -                          port_id);
> +               pm8001_dbg(pm8001_ha, EVENT,
> +                       "HW_EVENT_PHY_DOWN phyid:%#x port_id:%#x portstate: PORT_INVALID\n",
> +                       phy_id, port_id);
>                 pm8001_dbg(pm8001_ha, MSG,
>                            " Last phy Down and port invalid\n");
>                 if (port_sata) {
> @@ -3306,18 +3310,21 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
>                 sas_phy_disconnected(&phy->sas_phy);
>                 break;
>         case PORT_IN_RESET:
> -               pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
> -                          port_id);
> +               pm8001_dbg(pm8001_ha, EVENT,
> +                       "HW_EVENT_PHY_DOWN phyid:%#x port_id:%#x portstate: PORT_IN_RESET\n",
> +                       phy_id, port_id);
>                 break;
>         case PORT_NOT_ESTABLISHED:
> -               pm8001_dbg(pm8001_ha, MSG,
> -                          " Phy Down and PORT_NOT_ESTABLISHED\n");
> +               pm8001_dbg(pm8001_ha, EVENT,
> +                       "HW_EVENT_PHY_DOWN phyid:%#x port_id:%#x portstate: PORT_NOT_ESTABLISHED\n",
> +                       phy_id, port_id);
>                 port->port_attached = 0;
>                 break;
>         case PORT_LOSTCOMM:
> -               pm8001_dbg(pm8001_ha, MSG, " Phy Down and PORT_LOSTCOMM\n");
> -               pm8001_dbg(pm8001_ha, MSG,
> -                          " Last phy Down and port invalid\n");
> +               pm8001_dbg(pm8001_ha, EVENT,
> +                       "HW_EVENT_PHY_DOWN phyid:%#x port_id:%#x portstate: PORT_LOSTCOMM\n",
> +                       phy_id, port_id);
> +               pm8001_dbg(pm8001_ha, MSG, " Last phy Down and port invalid\n");
>                 if (port_sata) {
>                         port->port_attached = 0;
>                         phy->phy_type = 0;
> @@ -3328,9 +3335,9 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
>                 break;
>         default:
>                 port->port_attached = 0;
> -               pm8001_dbg(pm8001_ha, DEVIO,
> -                          " Phy Down and(default) = 0x%x\n",
> -                          portstate);
> +               pm8001_dbg(pm8001_ha, EVENT,
> +                       "HW_EVENT_PHY_DOWN phyid:%#x port_id:%#x portstate:%#x\n",
> +                       phy_id, port_id, portstate);
>                 break;
>
>         }
> @@ -3431,9 +3438,6 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
>                 hw_event_sas_phy_up(pm8001_ha, piomb);
>                 break;
>         case HW_EVENT_SATA_PHY_UP:
> -               pm8001_dbg(pm8001_ha, EVENT,
> -                          "HW_EVENT_SATA_PHY_UP phyid:%#x port_id:%#x\n",
> -                          phy_id, port_id);
>                 hw_event_sata_phy_up(pm8001_ha, piomb);
>                 break;
>         case HW_EVENT_SATA_SPINUP_HOLD:
> @@ -3444,9 +3448,6 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
>                         GFP_ATOMIC);
>                 break;
>         case HW_EVENT_PHY_DOWN:
> -               pm8001_dbg(pm8001_ha, EVENT,
> -                          "HW_EVENT_PHY_DOWN phyid:%#x port_id:%#x\n",
> -                          phy_id, port_id);
>                 hw_event_phy_down(pm8001_ha, piomb);
>                 phy->phy_attached = 0;
>                 phy->phy_state = PHY_LINK_DISABLE;
> --
> 2.40.0.634.g4ca3ef3211-goog
>




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