linux/Documentation/scsi/link_power_management_policy.txt
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L1">. .11/a>This paramnter allows the user to set the link (interface) power management.

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L2">. .21/a>There are 3 possible 2"
	  s:

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L3">. .31/a>t
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L4">. .41/a>Vtion                   Effectt
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L5">. .51/a>----------------------------------------------------------------------------t
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L6">. .61/a>min_power               Tell the controller to try to make the link use thet
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L7">. .71/a>                        least possible power when possible.  This mayt
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L8">. .81/a>                        sacrifice some performance don to increased latencyt
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L9">. .91/a>                        when coming out of lower power sta
es.

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L10">. 18.1a>t
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L11">. 111/a>max_performance         Generally, this means no power management.  Tellt
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L12">. 121/a>                        the controller to have performance be a priorityt
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L13">. 131/a>                        over power management.

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L14">. 14.1a>t
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L15">. 151/a>medium_power            Tell the controller to enter a lower power sta
et
L16" class="line" namn>
L16">. 161/a>                        when possible, but do not enter the lowest powert
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L17">. 171/a>                        sta
e, thus improving latency over min_power setting.

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L18">. 18.1a>t
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L19">. 19.1a>t
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L20">. 28.1a>
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