1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Derived from include/asm-x86/mach-summit/mach_mpparse.h
4 * and include/asm-x86/mach-default/bios_ebda.h
5 *
6 * Author: Laurent Vivier <Laurent.Vivier@bull.net>
7 */
8
9 #ifndef _ASM_X86_RIO_H
10 #define _ASM_X86_RIO_H
11
12 #define RIO_TABLE_VERSION 3
13
14 struct rio_table_hdr {
15 u8 version; /* Version number of this data structure */
16 u8 num_scal_dev; /* # of Scalability devices */
17 u8 num_rio_dev; /* # of RIO I/O devices */
18 } __attribute__((packed));
19
20 struct scal_detail {
21 u8 node_id; /* Scalability Node ID */
22 u32 CBAR; /* Address of 1MB register space */
23 u8 port0node; /* Node ID port connected to: 0xFF=None */
24 u8 port0port; /* Port num port connected to: 0,1,2, or */
25 /* 0xFF=None */
26 u8 port1node; /* Node ID port connected to: 0xFF = None */
27 u8 port1port; /* Port num port connected to: 0,1,2, or */
28 /* 0xFF=None */
29 u8 port2node; /* Node ID port connected to: 0xFF = None */
30 u8 port2port; /* Port num port connected to: 0,1,2, or */
31 /* 0xFF=None */
32 u8 chassis_num; /* 1 based Chassis number (1 = boot node) */
33 } __attribute__((packed));
34
35 struct rio_detail {
36 u8 node_id; /* RIO Node ID */
37 u32 BBAR; /* Address of 1MB register space */
38 u8 type; /* Type of device */
39 u8 owner_id; /* Node ID of Hurricane that owns this */
40 /* node */
41 u8 port0node; /* Node ID port connected to: 0xFF=None */
42 u8 port0port; /* Port num port connected to: 0,1,2, or */
43 /* 0xFF=None */
44 u8 port1node; /* Node ID port connected to: 0xFF=None */
45 u8 port1port; /* Port num port connected to: 0,1,2, or */
46 /* 0xFF=None */
47 u8 first_slot; /* Lowest slot number below this Calgary */
48 u8 status; /* Bit 0 = 1 : the XAPIC is used */
49 /* = 0 : the XAPIC is not used, ie: */
50 /* ints fwded to another XAPIC */
51 /* Bits1:7 Reserved */
52 u8 WP_index; /* instance index - lower ones have */
53 /* lower slot numbers/PCI bus numbers */
54 u8 chassis_num; /* 1 based Chassis number */
55 } __attribute__((packed));
56
57 enum {
58 HURR_SCALABILTY = 0, /* Hurricane Scalability info */
59 HURR_RIOIB = 2, /* Hurricane RIOIB info */
60 COMPAT_CALGARY = 4, /* Compatibility Calgary */
61 ALT_CALGARY = 5, /* Second Planar Calgary */
62 };
63
64 #endif /* _ASM_X86_RIO_H */