blob: 8157d4eaead65d2c14dda3dab10f514103a8c7c4 [file] [log] [blame]
Mahesh Salgaonkare22a2272013-10-30 20:05:11 +05301/*
2 * Machine check exception header file.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 *
18 * Copyright 2013 IBM Corporation
19 * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
20 */
21
22#ifndef __ASM_PPC64_MCE_H__
23#define __ASM_PPC64_MCE_H__
24
25#include <linux/bitops.h>
26
27/*
28 * Machine Check bits on power7 and power8
29 */
30#define P7_SRR1_MC_LOADSTORE(srr1) ((srr1) & PPC_BIT(42)) /* P8 too */
31
32/* SRR1 bits for machine check (On Power7 and Power8) */
33#define P7_SRR1_MC_IFETCH(srr1) ((srr1) & PPC_BITMASK(43, 45)) /* P8 too */
34
35#define P7_SRR1_MC_IFETCH_UE (0x1 << PPC_BITLSHIFT(45)) /* P8 too */
36#define P7_SRR1_MC_IFETCH_SLB_PARITY (0x2 << PPC_BITLSHIFT(45)) /* P8 too */
37#define P7_SRR1_MC_IFETCH_SLB_MULTIHIT (0x3 << PPC_BITLSHIFT(45)) /* P8 too */
38#define P7_SRR1_MC_IFETCH_SLB_BOTH (0x4 << PPC_BITLSHIFT(45))
39#define P7_SRR1_MC_IFETCH_TLB_MULTIHIT (0x5 << PPC_BITLSHIFT(45)) /* P8 too */
40#define P7_SRR1_MC_IFETCH_UE_TLB_RELOAD (0x6 << PPC_BITLSHIFT(45)) /* P8 too */
41#define P7_SRR1_MC_IFETCH_UE_IFU_INTERNAL (0x7 << PPC_BITLSHIFT(45))
42
43/* SRR1 bits for machine check (On Power8) */
44#define P8_SRR1_MC_IFETCH_ERAT_MULTIHIT (0x4 << PPC_BITLSHIFT(45))
45
46/* DSISR bits for machine check (On Power7 and Power8) */
47#define P7_DSISR_MC_UE (PPC_BIT(48)) /* P8 too */
48#define P7_DSISR_MC_UE_TABLEWALK (PPC_BIT(49)) /* P8 too */
49#define P7_DSISR_MC_ERAT_MULTIHIT (PPC_BIT(52)) /* P8 too */
50#define P7_DSISR_MC_TLB_MULTIHIT_MFTLB (PPC_BIT(53)) /* P8 too */
51#define P7_DSISR_MC_SLB_PARITY_MFSLB (PPC_BIT(55)) /* P8 too */
52#define P7_DSISR_MC_SLB_MULTIHIT (PPC_BIT(56)) /* P8 too */
53#define P7_DSISR_MC_SLB_MULTIHIT_PARITY (PPC_BIT(57)) /* P8 too */
54
55/*
56 * DSISR bits for machine check (Power8) in addition to above.
57 * Secondary DERAT Multihit
58 */
59#define P8_DSISR_MC_ERAT_MULTIHIT_SEC (PPC_BIT(54))
60
61/* SLB error bits */
62#define P7_DSISR_MC_SLB_ERRORS (P7_DSISR_MC_ERAT_MULTIHIT | \
63 P7_DSISR_MC_SLB_PARITY_MFSLB | \
64 P7_DSISR_MC_SLB_MULTIHIT | \
65 P7_DSISR_MC_SLB_MULTIHIT_PARITY)
66
67#endif /* __ASM_PPC64_MCE_H__ */