Document PCI_RES_BUS as a possible resource type.

This commit is contained in:
John Baldwin 2016-04-28 17:50:16 +00:00
parent de70bf980b
commit 55c661caad
2 changed files with 6 additions and 2 deletions

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@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd March 28, 2003
.Dd April 28, 2016
.Dt BUS_ACTIVATE_RESOURCE 9
.Os
.Sh NAME
@ -65,6 +65,8 @@ The type of resource you want to allocate.
It is one of:
.Pp
.Bl -tag -width ".Dv SYS_RES_MEMORY" -compact
.It Dv PCI_RES_BUS
for PCI bus numbers
.It Dv SYS_RES_IRQ
for IRQs
.It Dv SYS_RES_DRQ

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@ -95,6 +95,8 @@ Before allocation, the resource is owned by the parent bus.
is the type of resource you want to allocate.
It is one of:
.Bl -tag -width SYS_RES_MEMORY
.It Dv PCI_RES_BUS
for PCI bus numbers
.It Dv SYS_RES_IRQ
for IRQs
.It Dv SYS_RES_DRQ
@ -111,7 +113,7 @@ For ISA this is an index into an array of resources that have been setup
for this device by either the PnP mechanism, or via the hints mechanism.
For PCCARD, this is an index into the array of resources described by the PC Card's
CIS entry.
For PCI, the offset into pci config space which has the BAR to use to access
For PCI, the offset into PCI config space which has the BAR to use to access
the resource.
The bus methods are free to change the RIDs that they are given as a parameter.
You must not depend on the value you gave it earlier.