diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man4/pci.4 | 13 | ||||
| -rw-r--r-- | share/man/man9/pci.9 | 29 |
2 files changed, 35 insertions, 7 deletions
diff --git a/share/man/man4/pci.4 b/share/man/man4/pci.4 index db03d91..dd77630 100644 --- a/share/man/man4/pci.4 +++ b/share/man/man4/pci.4 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 24, 1999 +.Dd September 30, 2007 .Dt PCI 4 .Os .Sh NAME @@ -109,7 +109,7 @@ structure consists of the following elements: .Bl -tag -width pd_vendor .It pc_sel .Tn PCI -bus, slot and function. +domain, bus, slot and function. .It pd_name .Tn PCI device driver name. @@ -150,7 +150,7 @@ which consists of the following items: .Bl -tag -width pc_subvendor .It pc_sel .Tn PCI -bus, slot and function. +domain, bus, slot and function. .It pc_hdr .Tn PCI header type. @@ -257,9 +257,10 @@ structure consists of the following fields: .It pi_sel A .Va pcisel -structure which specifies the bus, slot and function the user would like to -query. -If the specific bus is not found, errno will be set to ENODEV and -1 returned from the ioctl. +structure which specifies the domain, bus, slot and function the user would +like to query. +If the specific bus is not found, errno will be set to ENODEV and -1 returned +from the ioctl. .It pi_reg The .Tn PCI diff --git a/share/man/man9/pci.9 b/share/man/man9/pci.9 index 781614c..21dfbbe 100644 --- a/share/man/man9/pci.9 +++ b/share/man/man9/pci.9 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 22, 2005 +.Dd September 30, 2007 .Dt PCI 9 .Os .Sh NAME @@ -39,6 +39,7 @@ .Nm pci_set_powerstate , .Nm pci_get_powerstate , .Nm pci_find_bsf , +.Nm pci_find_dbsf , .Nm pci_find_device .Nd PCI bus interface .Sh SYNOPSIS @@ -65,6 +66,8 @@ .Ft device_t .Fn pci_find_bsf "uint8_t bus" "uint8_t slot" "uint8_t func" .Ft device_t +.Fn pci_find_dbsf "uint32_t domain" "uint8_t bus" "uint8_t slot" "uint8_t func" +.Ft device_t .Fn pci_find_device "uint16_t vendor" "uint16_t device" .Sh DESCRIPTION The @@ -198,6 +201,30 @@ The 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. +Note that in case the system has multiple PCI domains, +the +.Fn pci_find_bsf +function only searches the first one. +Actually, it is equivalent to: +.Bd -literal -offset indent +pci_find_dbsf(0, bus, slot, func); +.Ed +.Pp +The +.Fn pci_find_dbsf +function looks up the +.Vt device_t +of a PCI device, given its +.Fa domain , +.Fa bus , +.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 |
