EM_LOC (SATA_AHCI_HBA) Register Description
| Register Name | EM_LOC |
|---|---|
| Offset Address | 0x000000001C |
| Absolute Address | 0x00FD0C001C (SATA_AHCI_HBA) |
| Width | 32 |
| Type | roRead-only |
| Reset Value | 0x00000000 |
| Description | Enclosure Management Location |
The enclosure management location register identifies the location and size of the enclosure management message buffer.
EM_LOC (SATA_AHCI_HBA) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| OFST | 31:16 | roRead-only | 0x0 | Offset (OFST): The offset of the message buffer in Dwords from the beginning of the ABAR. |
| SZ | 15:0 | roRead-only | 0x0 | Buffer Size (SZ): Specifies the size of the transmit message buffer area in Dwords. If both transmit and receive buffers are supported, then the transmit buffer begins at ABAR[EM_LOC.OFST*4] and the receive buffer directly follows it. If both transmit and receive buffers are supported, both buffers are of the size indicated in the Buffer Size field. A value of 0 is invalid. |