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| author | Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com> | 2018-02-07 11:51:46 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-02-28 04:26:13 +0100 |
| commit | 0448f0195124e33f11d15b7d1e1cab959989eee7 (patch) | |
| tree | 1733e0f822fa37cb0d583ba7be06679c57c7776b /drivers/scsi/mpt3sas/mpt3sas_scsih.c | |
| parent | scsi: mpt3sas: Add PCI device ID for Andromeda. (diff) | |
| download | linux-0448f0195124e33f11d15b7d1e1cab959989eee7.tar.xz linux-0448f0195124e33f11d15b7d1e1cab959989eee7.zip | |
scsi: mpt3sas: Configure reply post queue depth, DMA and sgl tablesize.
This configures shost max sector to 128, single reply descriptor post
queue, sgl table size to 16 and 32 bit DMA for MPI Endpoint and it
supports 64K as max IO.
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index bde3c6fc8ee3..5e526799552c 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -10521,26 +10521,34 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) shost->transportt = mpt3sas_transport_template; shost->unique_id = ioc->id; - if (max_sectors != 0xFFFF) { - if (max_sectors < 64) { - shost->max_sectors = 64; - pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ - "for max_sectors, range is 64 to 32767. Assigning " - "value of 64.\n", ioc->name, max_sectors); - } else if (max_sectors > 32767) { - shost->max_sectors = 32767; - pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ - "for max_sectors, range is 64 to 32767. Assigning " - "default value of 32767.\n", ioc->name, - max_sectors); - } else { - shost->max_sectors = max_sectors & 0xFFFE; - pr_info(MPT3SAS_FMT + if (ioc->is_mcpu_endpoint) { + /* mCPU MPI support 64K max IO */ + shost->max_sectors = 128; + pr_info(MPT3SAS_FMT "The max_sectors value is set to %d\n", ioc->name, shost->max_sectors); + } else { + if (max_sectors != 0xFFFF) { + if (max_sectors < 64) { + shost->max_sectors = 64; + pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ + "for max_sectors, range is 64 to 32767. " \ + "Assigning value of 64.\n", \ + ioc->name, max_sectors); + } else if (max_sectors > 32767) { + shost->max_sectors = 32767; + pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ + "for max_sectors, range is 64 to 32767." \ + "Assigning default value of 32767.\n", \ + ioc->name, max_sectors); + } else { + shost->max_sectors = max_sectors & 0xFFFE; + pr_info(MPT3SAS_FMT + "The max_sectors value is set to %d\n", + ioc->name, shost->max_sectors); + } } } - /* register EEDP capabilities with SCSI layer */ if (prot_mask > 0) scsi_host_set_prot(shost, prot_mask); |