diff options
| -rw-r--r-- | share/man/man9/pci.9 | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/share/man/man9/pci.9 b/share/man/man9/pci.9 index 611a6f0..a15670c 100644 --- a/share/man/man9/pci.9 +++ b/share/man/man9/pci.9 @@ -1,5 +1,5 @@ .\" -.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org> +.\" Copyright (c) 2005 Bruce M Simpson <bms@FreeBSD.org> .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 21, 2003 +.Dd Jan 22, 2005 .Dt PCI 9 .Os .Sh NAME @@ -193,6 +193,11 @@ of a PCI device, given its .Fa slot , and .Fa func . +The +.Fa slot +number actually refers to the number of the device on the bus, +which does not necessarily indicate its geographic location +in terms of a physical slot. .Pp The .Fn pci_find_device @@ -237,7 +242,10 @@ space on the target architecture. .Re .Sh AUTHORS This man page was written by -.An Bruce M Simpson Aq bms@spc.org . +.An Bruce M Simpson Aq bms@FreeBSD.org . .Sh BUGS -This manual page does not yet document PAE and how it affects memory-space -mapping of PCI devices. +The kernel PCI code has a number of references to 'slot numbers'. +These do not refer to the geographic location of PCI devices, +but to the device number assigned by the combination of the PCI IDSEL +mechanism and the platform firmware. +This should be taken note of when working with the kernel PCI code. |
