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68cbe189fd
Instead of returning 0xffs some controllers, such as Layerscape generate an external exception when someone attempts to read any register of config space of a non-existing device other than PCIR_VENDOR. This causes a kernel panic. Fix it by bailing during device enumeration if a device vendor register returns invalid value. (0xffff) Use this opportunity to replace some hardcoded values with a macro. I believe that this change won't have any unintended side-effects since it is safe to assume that vendor == 0xffff -> hdr_type == 0xffff. Sponsored by: Alstom Obtained from: Semihalf Reviewed by: jhb MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D33059 |
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| .. | ||
| controller | ||
| fixup_pci.c | ||
| hostb_pci.c | ||
| ignore_pci.c | ||
| isa_pci.c | ||
| pci.c | ||
| pci_dw.c | ||
| pci_dw.h | ||
| pci_dw_if.m | ||
| pci_dw_mv.c | ||
| pci_host_generic.c | ||
| pci_host_generic.h | ||
| pci_host_generic_acpi.c | ||
| pci_host_generic_acpi.h | ||
| pci_host_generic_fdt.c | ||
| pci_host_generic_fdt.h | ||
| pci_if.m | ||
| pci_iov.c | ||
| pci_iov.h | ||
| pci_iov_if.m | ||
| pci_iov_private.h | ||
| pci_iov_schema.c | ||
| pci_pci.c | ||
| pci_private.h | ||
| pci_subr.c | ||
| pci_user.c | ||
| pcib_if.m | ||
| pcib_private.h | ||
| pcib_support.c | ||
| pcireg.h | ||
| pcivar.h | ||
| schema_private.h | ||
| vga_pci.c | ||