Switchtec Userspace  PROJECT_NUMBER = PROJECT_NUMBER=PROJECT_NUMBER = 2.2
pci.h
1 /*
2  * Microsemi Switchtec(tm) PCIe Management Library
3  * Copyright (c) 2018, Microsemi Corporation
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included
13  * in all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  */
24 
25 #ifndef LIBSWITCHTEC_PCI_H
26 #define LIBSWITCHTEC_PCI_H
27 
28 #include <string.h>
29 
30 #define PCI_EXT_CAP_OFFSET 0x100
31 #define PCI_EXT_CAP_ID(cap)((cap) & 0x0000ffff)
32 #define PCI_EXT_CAP_VER(cap)(((cap) >> 16) & 0xf)
33 #define PCI_EXT_CAP_NEXT(cap)(((cap) >> 20) & 0xffc)
34 
35 #define PCI_EXT_CAP_ID_ACS 0x0d
36 
37 #define PCI_ACS_CTRL 0x06
38 #define PCI_ACS_CTRL_VALID 0x0001
39 #define PCI_ACS_CTRL_BLOCK 0x0002
40 #define PCI_ACS_CTRL_REQ_RED 0x0004
41 #define PCI_ACS_CTRL_CMPLT_RED 0x0008
42 #define PCI_ACS_CTRL_FORWARD 0x0010
43 #define PCI_ACS_CTRL_EGRESS 0x0020
44 #define PCI_ACS_CTRL_TRANS 0x0040
45 #define PCI_ACS_EGRESS_CTRL 0x08
46 
47 #endif