| scsi.4 (246e7a2b6494cd991b08ac669ed761ecea0cc98c) | scsi.4 (db4fcadf52c891afffded7fc72b9d9298bc39e77) |
|---|---|
| 1.\" Copyright (c) 1996 2.\" Julian Elischer <julian@FreeBSD.org>. 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. --- 10 unchanged lines hidden (view full) --- 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ | 1.\" Copyright (c) 1996 2.\" Julian Elischer <julian@FreeBSD.org>. 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. --- 10 unchanged lines hidden (view full) --- 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ |
| 27.Dd June 7, 2012 | 27.Dd January 15, 2017 |
| 28.Dt CAM 4 29.Os 30.Sh NAME 31.Nm CAM 32.Nd Common Access Method SCSI/ATA subsystem 33.Sh SYNOPSIS 34.Cd "device scbus" 35.Cd "device ada" --- 21 unchanged lines hidden (view full) --- 57.Tn SCSI 58and 59.Tn ATA 60devices, and to utilize different 61.Tn SCSI 62and 63.Tn ATA 64host adapters through host adapter drivers. | 28.Dt CAM 4 29.Os 30.Sh NAME 31.Nm CAM 32.Nd Common Access Method SCSI/ATA subsystem 33.Sh SYNOPSIS 34.Cd "device scbus" 35.Cd "device ada" --- 21 unchanged lines hidden (view full) --- 57.Tn SCSI 58and 59.Tn ATA 60devices, and to utilize different 61.Tn SCSI 62and 63.Tn ATA 64host adapters through host adapter drivers. |
| 65When the system probes busses, it attaches any devices it finds to the | 65When the system probes buses, it attaches any devices it finds to the |
| 66appropriate drivers. 67The 68.Xr pass 4 69driver, if it is configured in the kernel, will attach to all devices. 70.Sh KERNEL CONFIGURATION 71There are a number of generic kernel configuration options for the 72.Nm 73subsystem: --- 71 unchanged lines hidden (view full) --- 145One special case is that if the 146.Dv SCSI_DELAY 147is set to 0, that will be taken to mean the "lowest possible value." 148In that case, the 149.Dv SCSI_DELAY 150will be reset to 100ms. 151.El 152.Pp | 66appropriate drivers. 67The 68.Xr pass 4 69driver, if it is configured in the kernel, will attach to all devices. 70.Sh KERNEL CONFIGURATION 71There are a number of generic kernel configuration options for the 72.Nm 73subsystem: --- 71 unchanged lines hidden (view full) --- 145One special case is that if the 146.Dv SCSI_DELAY 147is set to 0, that will be taken to mean the "lowest possible value." 148In that case, the 149.Dv SCSI_DELAY 150will be reset to 100ms. 151.El 152.Pp |
| 153All devices and busses support dynamic allocation so that | 153All devices and buses support dynamic allocation so that |
| 154an upper number of devices and controllers does not need to be configured; 155.Cd "device da" 156will suffice for any number of disk drivers. 157.Pp 158The devices are either 159.Em wired 160so they appear as a particular device unit or 161.Em counted --- 130 unchanged lines hidden (view full) --- 292This allows to specify support for which debugging flags described above 293should be built into the kernel. 294Flags may be ORed together if the user wishes to 295see printfs for multiple debugging levels. 296.It Dv CAM_DEBUG_FLAGS 297This allows to set the various debugging flags from a kernel config file. 298.It Dv CAM_DEBUG_BUS 299Specify a bus to debug. | 154an upper number of devices and controllers does not need to be configured; 155.Cd "device da" 156will suffice for any number of disk drivers. 157.Pp 158The devices are either 159.Em wired 160so they appear as a particular device unit or 161.Em counted --- 130 unchanged lines hidden (view full) --- 292This allows to specify support for which debugging flags described above 293should be built into the kernel. 294Flags may be ORed together if the user wishes to 295see printfs for multiple debugging levels. 296.It Dv CAM_DEBUG_FLAGS 297This allows to set the various debugging flags from a kernel config file. 298.It Dv CAM_DEBUG_BUS 299Specify a bus to debug. |
| 300To debug all busses, set this to -1. | 300To debug all buses, set this to -1. |
| 301.It Dv CAM_DEBUG_TARGET 302Specify a target to debug. 303To debug all targets, set this to -1. 304.It Dv CAM_DEBUG_LUN 305Specify a lun to debug. 306To debug all luns, set this to -1. 307.El 308.Pp --- 46 unchanged lines hidden --- | 301.It Dv CAM_DEBUG_TARGET 302Specify a target to debug. 303To debug all targets, set this to -1. 304.It Dv CAM_DEBUG_LUN 305Specify a lun to debug. 306To debug all luns, set this to -1. 307.El 308.Pp --- 46 unchanged lines hidden --- |