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LinuxKPI: Add pci_match_id to linux/pci.h

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It finds out if a given PCI device matches a given pci_id table.

Sponsored by:	Serenity Cyber Security, LLC
MFC after:	1 week
Reviewed by:	manu
Differential Revision:	https://reviews.freebsd.org/D45846
This commit is contained in:
Vladimir Kondratyev 2024-07-21 16:09:27 +03:00
parent a1181662d3
commit 5b1171a0b7
1 changed files with 23 additions and 0 deletions
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23
sys/compat/linuxkpi/common/include/linux/pci.h
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@ -1268,6 +1268,29 @@ pci_dev_present(const struct pci_device_id *cur)
return (0);
}
static inline const struct pci_device_id *
pci_match_id(const struct pci_device_id *ids, struct pci_dev *pdev)
{
if (ids == NULL)
return (NULL);
for (;
ids->vendor != 0 || ids->subvendor != 0 || ids->class_mask != 0;
ids++)
if ((ids->vendor == PCI_ANY_ID ||
ids->vendor == pdev->vendor) &&
(ids->device == PCI_ANY_ID ||
ids->device == pdev->device) &&
(ids->subvendor == PCI_ANY_ID ||
ids->subvendor == pdev->subsystem_vendor) &&
(ids->subdevice == PCI_ANY_ID ||
ids->subdevice == pdev->subsystem_device) &&
((ids->class ^ pdev->class) & ids->class_mask) == 0)
return (ids);
return (NULL);
}
struct pci_dev *lkpi_pci_get_domain_bus_and_slot(int domain,
unsigned int bus, unsigned int devfn);
#define pci_get_domain_bus_and_slot(domain, bus, devfn) \