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head/share/man/man4/pci.4
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| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||||
| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||||
| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||||
| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
| .\" SUCH DAMAGE. | .\" SUCH DAMAGE. | ||||
| .\" | .\" | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd January 3, 2008 | .Dd August 9, 2016 | ||||
| .Dt PCI 4 | .Dt PCI 4 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm pci | .Nm pci | ||||
| .Nd generic PCI driver | .Nd generic PCI driver | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .Cd device pci | .Cd device pci | ||||
| .Sh DESCRIPTION | .Sh DESCRIPTION | ||||
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| If the device list has changed, a status of | If the device list has changed, a status of | ||||
| .Va PCI_GETCONF_LIST_CHANGED | .Va PCI_GETCONF_LIST_CHANGED | ||||
| will be passed back. | will be passed back. | ||||
| .It status | .It status | ||||
| The status tells the user the disposition of his request for a device list. | The status tells the user the disposition of his request for a device list. | ||||
| The possible status values are: | The possible status values are: | ||||
| .Bl -ohang | .Bl -ohang | ||||
| .It PCI_GETCONF_LAST_DEVICE | .It PCI_GETCONF_LAST_DEVICE | ||||
| This means that there are no more devices in the PCI device list after the | This means that there are no more devices in the PCI device list matching | ||||
| the specified criteria after the | |||||
| ones returned in the | ones returned in the | ||||
| .Va matches | .Va matches | ||||
| buffer. | buffer. | ||||
| .It PCI_GETCONF_LIST_CHANGED | .It PCI_GETCONF_LIST_CHANGED | ||||
| This status tells the user that the | This status tells the user that the | ||||
| .Tn PCI | .Tn PCI | ||||
| device list has changed since his last call to the | device list has changed since his last call to the | ||||
| .Dv PCIOCGETCONF | .Dv PCIOCGETCONF | ||||
| ioctl and he must reset the | ioctl and he must reset the | ||||
| .Va offset | .Va offset | ||||
| and | and | ||||
| .Va generation | .Va generation | ||||
| to zero to start over at the beginning of the list. | to zero to start over at the beginning of the list. | ||||
| .It PCI_GETCONF_MORE_DEVS | .It PCI_GETCONF_MORE_DEVS | ||||
| This tells the user that his buffer was not large enough to hold all of the | This tells the user that his buffer was not large enough to hold all of the | ||||
| remaining devices in the device list that possibly match his criteria. | remaining devices in the device list that match his criteria. | ||||
| It is possible for this status to be returned, even when none of the remaining | |||||
| devices in the list would match the user's criteria. | |||||
| .It PCI_GETCONF_ERROR | .It PCI_GETCONF_ERROR | ||||
| This indicates a general error while servicing the user's request. | This indicates a general error while servicing the user's request. | ||||
| If the | If the | ||||
| .Va pat_buf_len | .Va pat_buf_len | ||||
| is not equal to | is not equal to | ||||
| .Va num_patterns | .Va num_patterns | ||||
| times | times | ||||
| .Fn sizeof "struct pci_match_conf" , | .Fn sizeof "struct pci_match_conf" , | ||||
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