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| author | Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2022-08-04 18:42:20 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-08-22 23:34:05 -0400 |
| commit | e22bae30667a7e74ed057e00fb6e8c79e0738de3 (patch) | |
| tree | 80d85dbbf275ca1674bcb972488222ab9c8be90f /drivers/scsi/mpi3mr/mpi3mr_os.c | |
| parent | c4723e68a0d816f23e0807908cdb66e67528594f (diff) | |
| download | linux-e22bae30667a7e74ed057e00fb6e8c79e0738de3.tar.gz linux-e22bae30667a7e74ed057e00fb6e8c79e0738de3.tar.bz2 linux-e22bae30667a7e74ed057e00fb6e8c79e0738de3.zip | |
scsi: mpi3mr: Add expander devices to STL
Register/unregister the expander devices to SCSI Transport Layer(STL)
whenever the corresponding expander is added/removed from topology.
Link: https://lore.kernel.org/r/20220804131226.16653-10-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_os.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_os.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 533fdf9385df..4619d4209a2c 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -816,7 +816,7 @@ void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc, * * Return: 0 on success, non zero on failure. */ -static void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc, +void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc, struct mpi3mr_tgt_dev *tgtdev) { struct mpi3mr_stgt_priv_data *tgt_priv; @@ -1486,7 +1486,10 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc, int i; u16 handle; u8 reason_code; + u64 exp_sas_address = 0; + struct mpi3mr_hba_port *hba_port = NULL; struct mpi3mr_tgt_dev *tgtdev = NULL; + struct mpi3mr_sas_node *sas_expander = NULL; mpi3mr_sastopochg_evt_debug(mrioc, event_data); @@ -1516,6 +1519,13 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc, if (tgtdev) mpi3mr_tgtdev_put(tgtdev); } + + if (mrioc->sas_transport_enabled && (event_data->exp_status == + MPI3_EVENT_SAS_TOPO_ES_NOT_RESPONDING)) { + if (sas_expander) + mpi3mr_expander_remove(mrioc, exp_sas_address, + hba_port); + } } /** @@ -1736,7 +1746,8 @@ static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc, struct mpi3mr_fwevt *fwevt) { struct mpi3_device_page0 *dev_pg0 = NULL; - u16 perst_id; + u16 perst_id, handle, dev_info; + struct mpi3_device0_sas_sata_format *sasinf = NULL; mpi3mr_fwevt_del_from_list(mrioc, fwevt); mrioc->current_event = fwevt; @@ -1750,10 +1761,23 @@ static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc, switch (fwevt->event_id) { case MPI3_EVENT_DEVICE_ADDED: { - struct mpi3_device_page0 *dev_pg0 = - (struct mpi3_device_page0 *)fwevt->event_data; - mpi3mr_report_tgtdev_to_host(mrioc, - le16_to_cpu(dev_pg0->persistent_id)); + dev_pg0 = (struct mpi3_device_page0 *)fwevt->event_data; + perst_id = le16_to_cpu(dev_pg0->persistent_id); + handle = le16_to_cpu(dev_pg0->dev_handle); + if (perst_id != MPI3_DEVICE0_PERSISTENTID_INVALID) + mpi3mr_report_tgtdev_to_host(mrioc, perst_id); + else if (mrioc->sas_transport_enabled && + (dev_pg0->device_form == MPI3_DEVICE_DEVFORM_SAS_SATA)) { + sasinf = &dev_pg0->device_specific.sas_sata_format; + dev_info = le16_to_cpu(sasinf->device_info); + if (!mrioc->sas_hba.num_phys) + mpi3mr_sas_host_add(mrioc); + else + mpi3mr_sas_host_refresh(mrioc); + + if (mpi3mr_is_expander_device(dev_info)) + mpi3mr_expander_add(mrioc, handle); + } break; } case MPI3_EVENT_DEVICE_INFO_CHANGED: |