
Table 9: lpfc Static Parameters (Requires a driver reload to change) (Continued)
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Variable | Default | Min | Max | Comments | using |
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lpfc_max_luns | 256 | 1 | 32768 | Specifies the maximum | Yes |
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| number of LUN IDs per |
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| target. A value of 20 means |
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| LUN IDs from 0 to 19 are |
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| valid. The SCSI layer will |
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| scan each target until it |
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| reaches the specified LUN |
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lpfc_multi_ring_support | 1 | 1 | 2 | Determines the number of | No |
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| primary SLI rings over |
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| which to spread IOCB |
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| entries. |
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lpfc_poll | 0 | 1= poll wiith | Sets FCP ring polling mode | Yes | |
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| interrupts enabled | control. |
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| 3 = poll and disable |
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| FCP ring interrupts |
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lpfc_poll_tmo | 10 | 1 | 255 | Milliseconds the driver | Yes |
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| waits between polling FCP |
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| ring interrupts. |
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All lpfc dynamic parameters are read/write using sysfs.
Table 10: lpfc Dynamic Parameters (Do not require a driver reload to change)
Variable | Default | Min |
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lpfc_enable_auth | 0 | 0 |
| 1 | This driver property specifies if the |
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| 1, |
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| NOTE: This property requires a link reset |
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| to activate. |
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lpfc_link_speed | 0 | 0=auto select | Sets link speed. | ||
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| 1=1G |
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| 2=2G |
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| 4=4G |
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| 8=8G |
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lpfc_log_verbose | 0x0 | 0x0 |
| 0xffff | (bit mask) Extra activity logging. |
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lpfc_nodev_tmo | 30 | 0 |
| 255 | Seconds to hold I/O error if device |
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| disappears. |
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lpfc_topology | 0 | 0x0=loop |
| FClink topology (defaults to loop, if it fails | |
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| then P2P |
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| 0x2=P2P only |
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| 0x4=loop only |
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| 0x6=P2P |
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| then loop |
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The HBAnyware Utility User Manual | Page 91 |