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Add PCIV_INVALID definition

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From PCI Spec rev 2.2, 6.2.1. Device Identification:
Vendor ID This field identifies the manufacturer of the device. Valid
vendor identifiers are allocated by the PCI SIG to ensure uniqueness.
0FFFFh is an invalid value for Vendor ID.

MFC after:      3 days
Approved by:    re (Glen), hselasky (mentor), kib (mentor)
Sponsored by:   Mellanox Technologies
This commit is contained in:
Slava Shwartsman 2018-09-26 13:16:55 +00:00
parent 0277ec9c43
commit a4ea412d4f
1 changed files with 3 additions and 0 deletions
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3
sys/dev/pci/pcireg.h
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@ -122,6 +122,9 @@
#define PCIM_MFDEV 0x80
#define PCIR_BIST 0x0f
/* PCI Spec rev 2.2: 0FFFFh is an invalid value for Vendor ID. */
#define PCIV_INVALID 0xffff
/* Capability Register Offsets */
#define PCICAP_ID 0x0