Intel A2Y15AV Scheda Tecnica Pagina 295

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Datasheet, Volume 2 295
Processor Configuration Registers
2.18.32 VTPOLICY—DMA Remap Engine Policy Control Register
This register contains all the policy bits related to the DMA remap engine.
B/D/F/Type: 0/0/0/GFXVTBAR
Address Offset: FF0–FF3h
Reset Value: 00000000h
Access: RW-L, RO, RO-KFW, RW-KL
Size: 32 bits
BIOS Optimal Default 0000h
Bit Access
Reset
Value
RST/
PWR
Description
31 RW-KL 0b Uncore
DMA Remap Engine Policy Lock-Down (DMAR_LCKDN)
This register bit protects all the DMA remap engine specific policy
configuration registers. Once this bit is set by software all the
DMA remap engine registers within the range F00h to FFCh will
be read-only. This bit can only be clear through platform reset.
30:0 RO 0h Reserved (RSVD)
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