1.\" Copyright (c) 2011 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. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd March 23, 2015 26.Dt ATA 4 27.Os 28.Sh NAME 29.Nm ata 30.Nd generic ATA/SATA controller driver 31.Sh SYNOPSIS 32To compile this driver into the kernel, place the following lines in your 33kernel configuration file: 34.Bd -ragged -offset indent 35.Cd "device scbus" 36.Cd "device ata" 37.Ed 38.Pp 39Alternatively, to load the driver as set of modules at boot time, 40place some of the following lines in 41.Xr loader.conf 5 : 42.Bd -literal -offset indent 43ata_load="YES" 44 45ataisa_load="YES" 46atapci_load="YES" 47 48ataacard_load="YES" 49ataacerlabs_load="YES" 50ataamd_load="YES" 51ataati_load="YES" 52atacenatek_load="YES" 53atacypress_load="YES" 54atacyrix_load="YES" 55atahighpoint_load="YES" 56ataintel_load="YES" 57ataite_load="YES" 58atajmicron_load="YES" 59atamarvell_load="YES" 60atamicron_load="YES" 61atanational_load="YES" 62atanetcell_load="YES" 63atanvidia_load="YES" 64atapromise_load="YES" 65ataserverworks_load="YES" 66atasiliconimage_load="YES" 67atasis_load="YES" 68atavia_load="YES" 69.Ed 70.Pp 71The first line is for the common hardware independent code, and is a 72prerequisite for the other modules. 73The next three lines are generic bus-specific drivers. 74The rest are vendor-specific PCI drivers. 75.Pp 76The following tunables are settable from the 77.Xr loader 8 : 78.Bl -ohang 79.It Va hw.ata.ata_dma_check_80pin 80set to 0 to disable the 80pin cable check (the default is 1, check the cable). 81.It Va hint.atapci.X.msi 82set to 1 to allow Message Signalled Interrupts (MSI) to be used by the 83specified PCI ATA controller, if supported. 84.It Va hint.ata.X.devX.mode 85limits the initial ATA mode for the specified device on the specified channel. 86.It Va hint.ata.X.mode 87limits the initial ATA mode for every device on the specified channel. 88.It Va hint.ata.X.pm_level 89controls SATA interface Power Management for the specified channel, 90allowing some power savings at the cost of additional command latency. 91Possible values: 92.Pp 93.Bl -tag -width 4n -offset indent -compact 94.It 0 95Interface Power Management is disabled. 96This is the default value. 97.It 1 98The device is allowed to initiate a PM state change; the host is passive. 99.El 100.It Va hint.ata. Ns Ar X Ns Va .dev Ns Ar X Ns Va .sata_rev 101limits the initial SATA revision (speed) for the specified device 102on the specified channel. 103Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. 104.It Va hint.ata. Ns Ar X Ns Va .sata_rev 105Same, but for every device on the specified channel. 106.El 107.Sh DESCRIPTION 108The 109.Nm 110driver gives the 111.Xr CAM 4 112subsystem access to the ATA (IDE) and SATA ports 113of many generic controllers. 114Depending on the controller, each PATA (IDE) 115port or each one or two SATA ports are 116represented to CAM as a separate bus with one or two targets. 117Most of the bus-management details are handled by the ATA/SATA-specific 118transport of CAM. 119Connected ATA disks are handled by the ATA protocol disk peripheral driver 120.Xr ada 4 . 121ATAPI devices are handled by the SCSI protocol peripheral drivers 122.Xr cd 4 , 123.Xr da 4 , 124.Xr sa 4 , 125etc. 126.Pp 127This driver supports ATA, and for the most of controllers, ATAPI devices. 128Command queuing and SATA port multipliers are not supported. 129Device hot-plug and SATA interface power management is supported only on 130some controllers. 131.Pp 132The 133.Nm 134driver can change the transfer mode when the system is up and running. 135See the 136.Cm negotiate 137subcommand of 138.Xr camcontrol 8 . 139.Pp 140The 141.Nm 142driver sets the maximum transfer mode supported by the hardware as default. 143However, the 144.Nm 145driver sometimes warns: 146.Dq Sy "DMA limited to UDMA33, non-ATA66 cable or device". 147This means that 148the 149.Nm 150driver has detected that the required 80 conductor cable is not present 151or could not be detected properly, 152or that one of the devices on the channel only accepts up 153to UDMA2/ATA33. 154The 155.Va hw.ata.ata_dma_check_80pin 156tunable can be set to 0 to disable this check. 157.Sh HARDWARE 158The currently supported ATA/SATA controller chips are: 159.Pp 160.Bl -tag -width "Silicon Image:" -compact 161.It Acard: 162ATP850P, ATP860A, ATP860R, ATP865A, ATP865R. 163.It ALI: 164M5228, M5229, M5281, M5283, M5287, M5288, M5289. 165.It AMD: 166AMD756, AMD766, AMD768, AMD8111, CS5536. 167.It ATI: 168IXP200, IXP300, IXP400, IXP600, IXP700, IXP800. 169.It CMD: 170CMD646, CMD646U2, CMD648, CMD649. 171.It Cypress: 172Cypress 82C693. 173.It Cyrix: 174Cyrix 5530. 175.It HighPoint: 176HPT302, HPT366, HPT368, HPT370, HPT371, HPT372, HPT372N, HPT374. 177.It Intel: 1786300ESB, 31244, PIIX, PIIX3, PIIX4, ESB2, ICH, ICH0, ICH2, ICH3, ICH4, ICH5, 179ICH6, ICH7, ICH8, ICH9, ICH10, SCH, PCH. 180.It ITE: 181IT8211F, IT8212F, IT8213F. 182.It JMicron: 183JMB360, JMB361, JMB363, JMB365, JMB366, JMB368. 184.It Marvell 18588SE6101, 88SE6102, 88SE6111, 88SE6121, 88SE6141, 88SE6145. 186.It National: 187SC1100. 188.It NetCell: 189NC3000, NC5000. 190.It nVidia: 191nForce, nForce2, nForce2 MCP, nForce3, nForce3 MCP, nForce3 Pro, nForce4, 192MCP51, MCP55, MCP61, MCP65, MCP67, MCP73, MCP77, MCP79, MCP89. 193.It Promise: 194PDC20246, PDC20262, PDC20263, PDC20265, PDC20267, PDC20268, PDC20269, PDC20270, 195PDC20271, PDC20275, PDC20276, PDC20277, PDC20318, PDC20319, PDC20371, PDC20375, 196PDC20376, PDC20377, PDC20378, PDC20379, PDC20571, PDC20575, PDC20579, PDC20580, 197PDC20617, PDC20618, PDC20619, PDC20620, PDC20621, PDC20622, PDC40518, PDC40519, 198PDC40718, PDC40719. 199.It ServerWorks: 200HT1000, ROSB4, CSB5, CSB6, K2, Frodo4, Frodo8. 201.It Silicon Image: 202SiI0680, SiI3112, SiI3114, SiI3512. 203.It SiS: 204SIS180, SIS181, SIS182, SIS5513, SIS530, SIS540, SIS550, SIS620, SIS630, 205SIS630S, SIS633, SIS635, SIS730, SIS733, SIS735, SIS745, SIS961, SIS962, 206SIS963, SIS964, SIS965. 207.It VIA: 208VT6410, VT6420, VT6421, VT82C586, VT82C586B, VT82C596, VT82C596B, VT82C686, 209VT82C686A, VT82C686B, VT8231, VT8233, VT8233A, VT8233C, VT8235, VT8237, 210VT8237A, VT8237S, VT8251, CX700, VX800, VX855, VX900. 211.El 212.Pp 213Some of above chips can be configured for AHCI mode. 214In such case they are supported by 215.Xr ahci 4 216driver instead. 217.Pp 218Unknown ATA chipsets are supported in PIO modes, and if the standard 219busmaster DMA registers are present and contain valid setup, DMA is 220also enabled, although the max mode is limited to UDMA33, as it is 221not known what the chipset can do and how to program it. 222.Sh NOTES 223Please remember that in order to use UDMA4/ATA66 and above modes you 224.Em must 225use 80 conductor cables. 226Please assure that ribbon cables are no longer than 45cm. 227In case of rounded ATA cables, the length depends on the 228quality of the cables. 229SATA cables can be up to 1m long according to the specification. 230External SATA cables can be 2m long and more, but not all controllers 231work well on long cables, especially at high speeds. 232.Sh SEE ALSO 233.Xr ada 4 , 234.Xr ahci 4 , 235.Xr cam 4 , 236.Xr cd 4 , 237.Xr mvs 4 , 238.Xr siis 4 , 239.Xr camcontrol 8 240.Sh HISTORY 241The 242.Nm 243driver first appeared in 244.Fx 4.0 . 245It was turned into a 246.Xr CAM 4 247interface module in 248.Fx 9.0 . 249.Sh AUTHORS 250.An Alexander Motin Aq Mt mav@FreeBSD.org 251.An S\(/oren Schmidt Aq Mt sos@FreeBSD.org 252