diff options
Diffstat (limited to 'share/man/man9/pci.9')
| -rw-r--r-- | share/man/man9/pci.9 | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/share/man/man9/pci.9 b/share/man/man9/pci.9 index 1a4c5de..209986b 100644 --- a/share/man/man9/pci.9 +++ b/share/man/man9/pci.9 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 1, 2016 +.Dd September 6, 2016 .Dt PCI 9 .Os .Sh NAME @@ -149,6 +149,10 @@ .Fn pcie_read_config "device_t dev" "int reg" "int width" .Ft void .Fn pcie_write_config "device_t dev" "int reg" "uint32_t val" "int width" +.Ft void +.Fn pci_event_fn "void *arg" "device_t dev" +.Fn EVENTHANDLER_REGISTER "pci_add_device" "pci_event_fn" +.Fn EVENTHANDLER_DEREGISTER "pci_delete_resource" "pci_event_fn" .In dev/pci/pci_iov.h .Ft int .Fn pci_iov_attach "device_t dev" "nvlist_t *pf_schema" "nvlist_t *vf_schema" @@ -910,6 +914,24 @@ with one in the new distribution. The .Fn pci_remap_msix function will fail if this condition is not met. +.Ss Device Events +The +.Va pci_add_device +event handler is invoked every time a new PCI device is added to the system. +This includes the creation of Virtual Functions via SR-IOV. +.Pp +The +.Va pci_delete_device +event handler is invoked every time a PCI device is removed from the system. +.Pp +Both event handlers pass the +.Vt device_t +object of the relevant PCI device as +.Fa dev +to each callback function. +Both event handlers are invoked while +.Fa dev +is unattached but with valid instance variables. .Sh SEE ALSO .Xr pci 4 , .Xr pciconf 8 , @@ -921,6 +943,7 @@ function will fail if this condition is not met. .Xr devclass 9 , .Xr device 9 , .Xr driver 9 , +.Xr eventhandler 9 , .Xr rman 9 .Rs .%B FreeBSD Developers' Handbook |
