Fibre Channel Port Control mode page
NOTE: This page is supported for Fibre Channel only.
The Fibre Channel Port Control page allows you to set the initialization and addressing behavior of the Fibre Channel interface.
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| Protocol Identifier (FCP=0) |
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| 0 | PS (0) | Rsvd (0) |
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| Page Code {19h} |
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| Page Length {06h) |
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| 3 | DTFD (0) | PLPB(0) |
| DDIS(0) | DLM(1) | RHA(0) |
| ALWLI(0) | DTIPE(0) | DTOLI(0) |
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| Reserved (0) |
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| RR_TOV Units (3) |
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| 7 |
| Resource Recovery |
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| DTFD |
| Disable Target Fabric Discovery. If the drive is not attached to an arbitrated loop, the |
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| DTFD bit is ignored. |
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| 0 | When attached by an arbitrated loop, the drive will discover a fabric loop port if |
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| one is present on the loop and perform public loop functions. |
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| 1 | When attached by an arbitrated loop, the drive will not recognize the presence of |
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| a fabric loop port on the loop. The drive performs only the private loop functions. |
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| PLPB |
| Prevent Loop Port Bypass |
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| 0 | The drive allows the Loop Port Bypass (LPB) and Loop Port Enable (PBE) primitive |
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| sequences to control the port bypass circuit. |
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| 1 | The drive ignores any Loop Port Bypass (LPB) and Loop Port Enable (LPE) primitive |
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| sequences. The loop port remains enabled. When the PLPB bit is zero, the drive |
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| allows the LPB and PBE primitive sequences to control the port bypass circuit. |
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| NOTE: If the PLPB bit is set to 1, the DTIPE bit must be set to 0. |
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| DDIS |
| Disable Discovery |
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| 0 | The drive must wait to receive an Address Discovery Link Service (ADISC) or Port |
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| Discovery Link Service (PDISC) before it resumes processing tasks for the initiator. |
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| 1 | The drive does not require receipt of Address or Port Discovery following loop |
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| initialization. The drive resumes processing of tasks on completion of loop |
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| initialization. |
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| DLM |
| Disable Loop Master. |
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| 0 | The drive may become loop master during the loop initialization process. |
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| 1 | The drive will never attempt to be a loop master; it only repeats LISM frames it |
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| receives. This allows the initiator to be loop master during loop initialization. |
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MODE SELECT 15h/55h 85