mvs.4 (8fa0b743820f61c661ba5f3ea0e3be0dc137910e) mvs.4 (7e3de069eff9352649f7f464c71560b1bd84a8fc)
1.\" Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

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62.It Va hint.mvs. Ns Ar X Ns Va .cccc
63defines number of completed commands for CCC, which trigger interrupt without
64waiting for specified coalescing timeout.
65.It Va hint.mvs. Ns Ar X Ns Va .pm_level
66controls SATA interface Power Management for the specified channel,
67allowing some power to be saved at the cost of additional command
68latency.
69Possible values:
1.\" Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

--- 53 unchanged lines hidden (view full) ---

62.It Va hint.mvs. Ns Ar X Ns Va .cccc
63defines number of completed commands for CCC, which trigger interrupt without
64waiting for specified coalescing timeout.
65.It Va hint.mvs. Ns Ar X Ns Va .pm_level
66controls SATA interface Power Management for the specified channel,
67allowing some power to be saved at the cost of additional command
68latency.
69Possible values:
70.Bl -tag -compact
70.Pp
71.Bl -tag -width 4n -offset indent -compact
71.It 0
72interface Power Management is disabled (default);
73.It 1
74device is allowed to initiate PM state change, host is passive;
75.It 4
76driver initiates PARTIAL PM state transition 1ms after port becomes idle;
77.It 5
78driver initiates SLUMBER PM state transition 125ms after port becomes idle.

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72.It 0
73interface Power Management is disabled (default);
74.It 1
75device is allowed to initiate PM state change, host is passive;
76.It 4
77driver initiates PARTIAL PM state transition 1ms after port becomes idle;
78.It 5
79driver initiates SLUMBER PM state transition 125ms after port becomes idle.

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