/*
 * 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);
};