[SCSI] mpt2sas: Add a module parameter that permits overriding protection capabilities
Add a parameter that allows the host protection capabilities mask to be provided at module load time. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: "Sreekanth Reddy" <Sreekanth.reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>hifive-unleashed-5.1
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9b5cd13249
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5e95e73111
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@ -123,6 +123,11 @@ static int disable_discovery = -1;
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module_param(disable_discovery, int, 0);
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module_param(disable_discovery, int, 0);
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MODULE_PARM_DESC(disable_discovery, " disable discovery ");
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MODULE_PARM_DESC(disable_discovery, " disable discovery ");
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/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
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static int prot_mask = 0;
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module_param(prot_mask, int, 0);
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MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
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/**
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/**
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* struct sense_info - common structure for obtaining sense keys
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* struct sense_info - common structure for obtaining sense keys
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* @skey: sense key
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* @skey: sense key
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@ -8088,8 +8093,14 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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goto out_add_shost_fail;
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goto out_add_shost_fail;
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}
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}
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scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
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/* register EEDP capabilities with SCSI layer */
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| SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION);
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if (prot_mask)
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scsi_host_set_prot(shost, prot_mask);
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else
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scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
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| SHOST_DIF_TYPE2_PROTECTION
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| SHOST_DIF_TYPE3_PROTECTION);
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scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
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scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
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/* event thread */
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/* event thread */
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