aos/devices/pci_msix_cap.dev
Daniel Schwyn 6d444bf552 Main handout
Signed-off-by: Daniel Schwyn <daniel.schwyn@inf.ethz.ch>
2022-03-03 14:57:51 +01:00

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/*
* Copyright (c) 2018, ETH Zurich. All rights reserved.
*
* This file is distributed under the terms in the attached LICENSE file.
* If you do not find this file, copies can be found by writing to:
* ETH Zurich D-INFK, Universitaetstrasse 6, CH-8092 Zurich. Attn: Systems Group.
*/
/*
* pci_msix_cap.dev
*
* DESCRIPTION: PCI MSI-X Capability
*
* Source: Section 6.8.2. in PCI Local Bus Specification
*/
device pci_msix_cap lsbfirst ( addr base ) "PCI MSI-X Capability" {
// 6.8.2.(1-3)
register hdr rw addr( base, 0x00 ) "Capabilities Header" {
id 8 "Capability ID";
next 8 "Next Pointer";
tblsize 11 "Message Control - Table Size";
res 4 "reserved";
en 1 "MSI-X enable";
};
regtype location "Location" {
bir 3 "Base Address Register Index";
offset 29 "Offset";
};
register tbl ro addr(base, 0x4) "Table Location" type(location);
register pba ro addr(base, 0x8) "Table Location" type(location);
};