On Mon, Jan 18, 2021 at 11:11 AM Ahmed S. Darwish
<a.darwish@xxxxxxxxxxxxx> wrote:
>
> libsas event notifiers required an extension where gfp_t flags must be
> explicitly passed. For bisectability, a temporary _gfp() variant of such
> functions were added. All call sites then got converted use the _gfp()
> variants and explicitly pass GFP context. Having no callers left, the
> original libsas notifiers were then modified to accept gfp_t flags by
> default.
>
> Switch back to the original libas API, while still passing GFP context.
> The libsas _gfp() variants will be removed afterwards.
>
> Signed-off-by: Ahmed S. Darwish <a.darwish@xxxxxxxxxxxxx>
> Reviewed-by: John Garry <john.garry@xxxxxxxxxx>
> Cc: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
Reviewed-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
> ---
> drivers/scsi/pm8001/pm8001_hwi.c | 40 +++++++++++++++-----------------
> drivers/scsi/pm8001/pm8001_sas.c | 5 ++--
> drivers/scsi/pm8001/pm80xx_hwi.c | 32 ++++++++++++-------------
> 3 files changed, 36 insertions(+), 41 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index c8bfa8e6f211..b3f136998025 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -3179,7 +3179,7 @@ void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
> pm8001_dbg(pm8001_ha, MSG, "phy %d byte dmaded.\n", i);
>
> sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
> - sas_notify_port_event_gfp(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
> + sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
> }
>
> /* Get the link rate speed */
> @@ -3336,7 +3336,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
> else if (phy->identify.device_type != SAS_PHY_UNUSED)
> phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
> phy->sas_phy.oob_mode = SAS_OOB_MODE;
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> + sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
> memcpy(phy->frame_rcvd, &pPayload->sas_identify,
> sizeof(struct sas_identify_frame)-4);
> @@ -3379,7 +3379,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
> phy->phy_type |= PORT_TYPE_SATA;
> phy->phy_attached = 1;
> phy->sas_phy.oob_mode = SATA_OOB_MODE;
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> + sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
> memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
> sizeof(struct dev_to_host_fis));
> @@ -3726,12 +3726,12 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> break;
> case HW_EVENT_SATA_SPINUP_HOLD:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_SPINUP_HOLD,
> + 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");
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
> + sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
> GFP_ATOMIC);
> phy->phy_attached = 0;
> phy->phy_state = 0;
> @@ -3741,7 +3741,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> /* the broadcast change primitive received, tell the LIBSAS this event
> @@ -3753,22 +3753,21 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
> sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
> spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
> - sas_notify_port_event_gfp(sas_phy, PORTE_BROADCAST_RCVD,
> + sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PHY_ERROR:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
> sas_phy_disconnected(&phy->sas_phy);
> phy->phy_attached = 0;
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_ERROR,
> - GFP_ATOMIC);
> + sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
> break;
> case HW_EVENT_BROADCAST_EXP:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
> spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
> sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
> spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
> - sas_notify_port_event_gfp(sas_phy, PORTE_BROADCAST_RCVD,
> + sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_INVALID_DWORD:
> @@ -3778,7 +3777,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
> @@ -3789,7 +3788,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> port_id, phy_id, 0, 0);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_CODE_VIOLATION:
> @@ -3800,7 +3799,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> port_id, phy_id, 0, 0);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
> @@ -3811,7 +3810,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> port_id, phy_id, 0, 0);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_MALFUNCTION:
> @@ -3822,7 +3821,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
> sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
> spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
> - sas_notify_port_event_gfp(sas_phy, PORTE_BROADCAST_RCVD,
> + sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_INBOUND_CRC_ERROR:
> @@ -3833,14 +3832,13 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> break;
> case HW_EVENT_HARD_RESET_RECEIVED:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
> - sas_notify_port_event_gfp(sas_phy, PORTE_HARD_RESET,
> - GFP_ATOMIC);
> + 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");
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
> @@ -3851,14 +3849,14 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> port_id, phy_id, 0, 0);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PORT_RESET_TIMER_TMO:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
> @@ -3866,7 +3864,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
> "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PORT_RECOVER:
> diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
> index da444facd52e..c4f111e73f9c 100644
> --- a/drivers/scsi/pm8001/pm8001_sas.c
> +++ b/drivers/scsi/pm8001/pm8001_sas.c
> @@ -207,7 +207,7 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
> if (pm8001_ha->phy[phy_id].phy_state ==
> PHY_STATE_LINK_UP_SPCV) {
> sas_phy_disconnected(&phy->sas_phy);
> - sas_notify_phy_event_gfp(&phy->sas_phy,
> + sas_notify_phy_event(&phy->sas_phy,
> PHYE_LOSS_OF_SIGNAL, GFP_KERNEL);
> phy->phy_attached = 0;
> }
> @@ -215,7 +215,7 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
> if (pm8001_ha->phy[phy_id].phy_state ==
> PHY_STATE_LINK_UP_SPC) {
> sas_phy_disconnected(&phy->sas_phy);
> - sas_notify_phy_event_gfp(&phy->sas_phy,
> + sas_notify_phy_event(&phy->sas_phy,
> PHYE_LOSS_OF_SIGNAL, GFP_KERNEL);
> phy->phy_attached = 0;
> }
> @@ -1341,4 +1341,3 @@ int pm8001_clear_task_set(struct domain_device *dev, u8 *lun)
> tmf_task.tmf = TMF_CLEAR_TASK_SET;
> return pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
> }
> -
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index a43a4e5db043..b96633dc052c 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -3287,7 +3287,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
> else if (phy->identify.device_type != SAS_PHY_UNUSED)
> phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
> phy->sas_phy.oob_mode = SAS_OOB_MODE;
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> + sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
> memcpy(phy->frame_rcvd, &pPayload->sas_identify,
> sizeof(struct sas_identify_frame)-4);
> @@ -3334,7 +3334,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
> phy->phy_type |= PORT_TYPE_SATA;
> phy->phy_attached = 1;
> phy->sas_phy.oob_mode = SATA_OOB_MODE;
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> + sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
> spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
> memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
> sizeof(struct dev_to_host_fis));
> @@ -3417,8 +3417,8 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
>
> }
> if (port_sata && (portstate != PORT_IN_RESET))
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
> - GFP_ATOMIC);
> + sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
> + GFP_ATOMIC);
> }
>
> static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
> @@ -3516,7 +3516,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> break;
> case HW_EVENT_SATA_SPINUP_HOLD:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_SPINUP_HOLD,
> + sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PHY_DOWN:
> @@ -3533,7 +3533,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> /* the broadcast change primitive received, tell the LIBSAS this event
> @@ -3545,22 +3545,21 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
> sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
> spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
> - sas_notify_port_event_gfp(sas_phy, PORTE_BROADCAST_RCVD,
> + sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PHY_ERROR:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
> sas_phy_disconnected(&phy->sas_phy);
> phy->phy_attached = 0;
> - sas_notify_phy_event_gfp(&phy->sas_phy, PHYE_OOB_ERROR,
> - GFP_ATOMIC);
> + sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
> break;
> case HW_EVENT_BROADCAST_EXP:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
> spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
> sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
> spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
> - sas_notify_port_event_gfp(sas_phy, PORTE_BROADCAST_RCVD,
> + sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_INVALID_DWORD:
> @@ -3598,7 +3597,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
> sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
> spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
> - sas_notify_port_event_gfp(sas_phy, PORTE_BROADCAST_RCVD,
> + sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
> GFP_ATOMIC);
> break;
> case HW_EVENT_INBOUND_CRC_ERROR:
> @@ -3609,14 +3608,13 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> break;
> case HW_EVENT_HARD_RESET_RECEIVED:
> pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
> - sas_notify_port_event_gfp(sas_phy, PORTE_HARD_RESET,
> - GFP_ATOMIC);
> + 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");
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
> @@ -3627,7 +3625,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> port_id, phy_id, 0, 0);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> break;
> case HW_EVENT_PORT_RESET_TIMER_TMO:
> @@ -3636,7 +3634,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> port_id, phy_id, 0, 0);
> sas_phy_disconnected(sas_phy);
> phy->phy_attached = 0;
> - sas_notify_port_event_gfp(sas_phy, PORTE_LINK_RESET_ERR,
> + sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
> GFP_ATOMIC);
> if (pm8001_ha->phy[phy_id].reset_completion) {
> pm8001_ha->phy[phy_id].port_reset_status =
> @@ -3654,7 +3652,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
> for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
> if (port->wide_port_phymap & (1 << i)) {
> phy = &pm8001_ha->phy[i];
> - sas_notify_phy_event_gfp(&phy->sas_phy,
> + sas_notify_phy_event(&phy->sas_phy,
> PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC);
> port->wide_port_phymap &= ~(1 << i);
> }
> --
> 2.30.0
>
