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Module msi_cap

strat9_kernel::arch::x86_64::pci

Module msi_cap 

Source
Expand description

Offsets within an MSI capability block (relative to capability base).

Constantsยง

ADDR_HIGH
Message Upper Address Register (32-bit, 64-bit capable only) at +8
ADDR_LOW
Message Address Register (32-bit) at +4
CONTROL
Capability ID (1 byte) + next ptr (1 byte) = 2 bytes header Control register at +2 (16-bit)
DATA
Message Data Register (16-bit):