Lines Matching +full:host +full:- +full:controller

2 .\" SPDX-License-Identifier: BSD-3-Clause
34 .Nd Adaptec VL/ISA/PCI SCSI host adapter driver
39 .Bd -ragged -offset indent
50 .Bd -literal -offset indent
59 host adapter chips.
62 fast, ultra or ultra2 synchronous transfers depending on controller type,
66 .Tn SCSI-Select
73 the host adapter's SCSI ID.
74 For systems that store non-volatile settings in a system specific manner
75 rather than a serial eeprom directly connected to the aic7xxx controller,
80 many chip-down motherboard configurations.
90 .Bd -ragged -offset indent
91 .Bl -column "aic7895CX" "MIPSX" "PCI/64X" "MaxSyncX" "MaxWidthX" "SCBsX" "2 3 4 5 6 7 8X"
108 .Bl -enum -compact
110 Multiplexed Twin Channel Device - One controller servicing two busses.
112 Multi-function Twin Channel Device - Two controllers on one chip.
114 Command Channel Secondary DMA Engine - Allows scatter gather list and
117 64 Byte SCB Support - SCSI CDB is embedded in the SCB to eliminate an extra DMA.
119 Block Move Instruction Support - Doubles the speed of certain sequencer
123 style Scatter Gather Engine - Improves S/G prefetch performance.
125 Queuing Registers - Allows queueing of new transactions without pausing the
128 Multiple Target IDs - Allows the controller to respond to selection as a
136 .Cd options AHC_ALLOW_MEMIO=(0 -- disabled, 1 -- enabled)
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141 sitting behind a PCI->PCI bridge, the BIOS may fail to properly initialize
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166 .Bl -tag -width indent
169 (0 -- disabled, 1 -- enabled).
172 adapter, defaults to enabled (0 -- disabled, 1 -- enabled).
179 .Bl -bullet -compact
183 host adapter chip
187 host adapter chip
191 host adapter chip
195 host adapter chip
199 host adapter chip
203 host adapter chip
207 host adapter chip
211 host adapter chip
215 host adapter chip
219 host adapter chip
223 host adapter chip
227 host adapter chip
328 Many motherboards with on-board
337 controller to process a transaction.
339 the number of SCBs that can be stored in on-chip memory.
343 Very few Adaptec controller configurations have external SRAM.
355 periods of time without talking to the controller.
356 The SCBs for disconnected transactions are only of use to the controller
358 When the host queues another transaction
359 for the controller to execute, the controller firmware will use a
363 saved, via dma, to host memory, and the local SCB reused to start
365 This allows the controller to queue up to
369 more SCB space available, the less host bus traffic consumed saving
387 sequencer-code assembler,
398 .Tn SCSI-Select