Lines Matching +full:power +full:- +full:on +full:- +full:time +full:- +full:ms

20 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 .Bd -ragged -offset indent
42 module at boot time, place the following line in
44 .Bd -literal -offset indent
50 .Bl -ohang
55 Non-zero value enables CCC and defines maximum time (in us), request can wait
57 CCC reduces number of context switches on systems with many parallel requests,
58 but it can decrease disk performance on some workloads due to additional
64 controls SATA interface Power Management for the specified channel,
65 allowing some power to be saved at the cost of additional command
69 .Bl -tag -width 4n -offset indent -compact
71 interface Power Management is disabled (default);
75 driver initiates PARTIAL PM state transition 1ms after port becomes idle;
77 driver initiates SLUMBER PM state transition 125ms after port becomes idle.
80 Note that interface Power Management is not compatible with
82 A manual bus reset is needed on device hot-plug.
92 ports of several generations (Gen-I/II/IIe) of Marvell SATA controllers.
94 target, or, if HBA supports Port Multipliers (Gen-II/IIe), 16 targets.
95 Most of the bus-management details are handled by the SATA-specific
106 Port Multipliers (including FIS-based switching, when supported),
108 Native Command Queuing, SATA interface Power Management, device hot-plug
115 Gen-I (SATA 1.5Gbps):
116 .Bl -bullet -compact -offset "xxxxxx"
127 Gen-II (SATA 3Gbps, NCQ, PMP):
128 .Bl -bullet -compact -offset "xxxxxx"
139 Gen-IIe (SATA 3Gbps, NCQ, PMP with FBS):
140 .Bl -bullet -compact -offset "xxxxxx"
153 Note, that this hardware supports command queueing and FIS-based switching
155 ATAPI and non-DMA ATA commands executed one by one for each port.