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authorVladimir Kondratyev <wulf@FreeBSD.org>2024-04-08 06:47:43 +0000
committerVladimir Kondratyev <wulf@FreeBSD.org>2024-08-01 21:09:38 +0000
commitacfd6cea1f570baf0ec866b42f9fe56de1ec1ea9 (patch)
treeb81e79b30ba8026f205dd3e247ca110733ad16d3
parent33b5923a9d5af18924e162d062328d65729b86bb (diff)
LinuxKPI: Add pci_dev_id to linux/pci.h
It returns bus/device/function number for given PCI device. Also add intermediate PCI_DEVID macro used in some drivers. Sponsored by: Serenity Cyber Security, LLC Reviewed by: emaste MFC after: 1 week (cherry picked from commit f1206503e5a0073f56710bfebb6e503dcf612536)
-rw-r--r--sys/compat/linuxkpi/common/include/linux/pci.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
index 98ba160150f7..f8ee6c5600da 100644
--- a/sys/compat/linuxkpi/common/include/linux/pci.h
+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
@@ -94,6 +94,7 @@ MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn) ((devfn) & 0x07)
#define PCI_BUS_NUM(devfn) (((devfn) >> 8) & 0xff)
+#define PCI_DEVID(bus, devfn) ((((uint16_t)(bus)) << 8) | (devfn))
#define PCI_VDEVICE(_vendor, _device) \
.vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \
@@ -386,6 +387,12 @@ dev_is_pci(struct device *dev)
return (device_get_devclass(dev->bsddev) == devclass_find("pci"));
}
+static inline uint16_t
+pci_dev_id(struct pci_dev *pdev)
+{
+ return (PCI_DEVID(pdev->bus->number, pdev->devfn));
+}
+
static inline int
pci_resource_type(struct pci_dev *pdev, int bar)
{