| DRIVER_MODULE.9 (79366) | DRIVER_MODULE.9 (79676) |
|---|---|
| 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2000 Alexander Langer 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" --- 12 unchanged lines hidden (view full) --- 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" | 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2000 Alexander Langer 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" --- 12 unchanged lines hidden (view full) --- 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" |
| 29.\" $FreeBSD: head/share/man/man9/DRIVER_MODULE.9 79366 2001-07-06 16:46:48Z ru $ | 29.\" $FreeBSD: head/share/man/man9/DRIVER_MODULE.9 79676 2001-07-13 16:10:39Z alex $ |
| 30.\" 31.Dd May 16, 2000 32.Dt DRIVER_MODULE 9 33.Os 34.Sh NAME 35.Nm DRIVER_MODULE 36.Nd kernel driver declaration macro 37.Sh SYNOPSIS --- 4 unchanged lines hidden (view full) --- 42.Sh DESCRIPTION 43The 44.Fn DRIVER_MODULE 45macro declares a kernel driver. 46.Fn DRIVER_MODULE 47expands to the real driver declaration, where the phrase 48.Fa name 49is used as the naming prefix for the driver and its functions. | 30.\" 31.Dd May 16, 2000 32.Dt DRIVER_MODULE 9 33.Os 34.Sh NAME 35.Nm DRIVER_MODULE 36.Nd kernel driver declaration macro 37.Sh SYNOPSIS --- 4 unchanged lines hidden (view full) --- 42.Sh DESCRIPTION 43The 44.Fn DRIVER_MODULE 45macro declares a kernel driver. 46.Fn DRIVER_MODULE 47expands to the real driver declaration, where the phrase 48.Fa name 49is used as the naming prefix for the driver and its functions. |
| 50Note that it supplied as plain text, and not a | 50Note that it is supplied as plain text, and not a |
| 51.Li char 52or 53.Li char * . 54.Pp 55.Fa busname 56is the parent bus of the driver (PCI, ISA, PPBUS and others), e.g. 57.Ql pci , 58.Ql isa , 59or 60.Ql ppbus . 61.Pp 62The identifier used in 63.Fn DRIVER_MODULE 64can be different from the driver name. 65Also, the same driver identifier can exist on different busses, 66which is a pretty clean way of making front ends for different cards 67using the same driver on the same or different busses. 68For example, the following is allowed: 69.Pp | 51.Li char 52or 53.Li char * . 54.Pp 55.Fa busname 56is the parent bus of the driver (PCI, ISA, PPBUS and others), e.g. 57.Ql pci , 58.Ql isa , 59or 60.Ql ppbus . 61.Pp 62The identifier used in 63.Fn DRIVER_MODULE 64can be different from the driver name. 65Also, the same driver identifier can exist on different busses, 66which is a pretty clean way of making front ends for different cards 67using the same driver on the same or different busses. 68For example, the following is allowed: 69.Pp |
| 70.Fn DRIVER_MODULE foo isa foo_driver foo_devclass 0 0 ; | 70.Fn DRIVER_MODULE foo isa foo_driver foo_devclass NULL NULL ; |
| 71.Pp | 71.Pp |
| 72.Fn DRIVER_MODULE foo pci foo_driver foo_devclass 0 0 ; | 72.Fn DRIVER_MODULE foo pci foo_driver foo_devclass NULL NULL ; |
| 73.Pp 74.Fa driver 75is the driver of type 76.Li driver_t , 77which contains the information about the driver and is therefore one of the 78two most important parts of the call to 79.Fn DRIVER_MODULE . 80.Pp 81The 82.Fa devclass 83argument contains the kernel-internal information about the device, | 73.Pp 74.Fa driver 75is the driver of type 76.Li driver_t , 77which contains the information about the driver and is therefore one of the 78two most important parts of the call to 79.Fn DRIVER_MODULE . 80.Pp 81The 82.Fa devclass 83argument contains the kernel-internal information about the device, |
| 84which will be used wthin the kernel driver module. | 84which will be used within the kernel driver module. |
| 85.Pp 86The 87.Fa evh 88argument is the event handler which is called when the driver (or module) 89is loaded or unloaded (see 90.Xr module 9 ) . 91.Pp 92The 93.Fa arg 94is unused at this time and should be a 95.Dv NULL 96pointer. 97.Sh SEE ALSO 98.Xr device 9 , 99.Xr driver 9 , 100.Xr module 9 101.Sh AUTHORS 102This manual page was written by 103.An Alexander Langer Aq alex@FreeBSD.org . | 85.Pp 86The 87.Fa evh 88argument is the event handler which is called when the driver (or module) 89is loaded or unloaded (see 90.Xr module 9 ) . 91.Pp 92The 93.Fa arg 94is unused at this time and should be a 95.Dv NULL 96pointer. 97.Sh SEE ALSO 98.Xr device 9 , 99.Xr driver 9 , 100.Xr module 9 101.Sh AUTHORS 102This manual page was written by 103.An Alexander Langer Aq alex@FreeBSD.org . |