Page MenuHomeFreeBSD
Files F157241730

D56996.diff
No OneTemporary
Actions

D56996.diff
View Options

diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -1803,7 +1803,8 @@
osd.9 osd_set_reserved.9
MLINKS+=panic.9 vpanic.9 \
panic.9 KERNEL_PANICKED.9
-MLINKS+=pci.9 pci_alloc_msi.9 \
+MLINKS+=pci.9 is_pci_device.9 \
+ pci.9 pci_alloc_msi.9 \
pci.9 pci_alloc_msix.9 \
pci.9 pci_clear_pme.9 \
pci.9 pci_disable_busmaster.9 \
diff --git a/share/man/man9/pci.9 b/share/man/man9/pci.9
--- a/share/man/man9/pci.9
+++ b/share/man/man9/pci.9
@@ -23,11 +23,12 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd March 27, 2025
+.Dd May 18, 2026
.Dt PCI 9
.Os
.Sh NAME
.Nm pci ,
+.Nm is_pci_device ,
.Nm pci_alloc_msi ,
.Nm pci_alloc_msix ,
.Nm pci_clear_pme ,
@@ -80,6 +81,8 @@
.In sys/bus.h
.In dev/pci/pcireg.h
.In dev/pci/pcivar.h
+.Ft bool
+.Fn is_pci_device "device_t dev"
.Ft int
.Fn pci_alloc_msi "device_t dev" "int *count"
.Ft int
@@ -202,6 +205,12 @@
device configuration,
and
message signaled interrupts.
+.Pp
+The
+.Fn is_pci_device
+function can be used to determine if
+.Fa dev
+is a PCI device.
.Ss Raw Configuration Access
The
.Fn pci_read_config
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -6993,6 +6993,17 @@
}
}
+bool
+is_pci_device(device_t dev)
+{
+ devclass_t pci_class;
+
+ if (device_get_parent(dev) == NULL)
+ return (false);
+ pci_class = devclass_find("pci");
+ return (device_get_devclass(device_get_parent(dev)) == pci_class);
+}
+
#ifdef DDB
DB_SHOW_COMMAND_FLAGS(pcierr, pci_print_faulted_dev_db, DB_CMD_MEMSAFE)
{
diff --git a/sys/dev/pci/pcivar.h b/sys/dev/pci/pcivar.h
--- a/sys/dev/pci/pcivar.h
+++ b/sys/dev/pci/pcivar.h
@@ -676,6 +676,7 @@
return (PCI_CHILD_ADDED(device_get_parent(dev), dev));
}
+bool is_pci_device(device_t dev);
device_t pci_find_bsf(uint8_t, uint8_t, uint8_t);
device_t pci_find_dbsf(uint32_t, uint8_t, uint8_t, uint8_t);
device_t pci_find_device(uint16_t, uint16_t);

File Metadata

Mime Type
text/plain
Expires
Wed, May 20, 3:14 PM (6 h, 37 s)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
33328973
Default Alt Text
D56996.diff (2 KB)

Event Timeline