1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
  4 *
  5 *  Modifications for ppc64:
  6 *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
  7 */
  8#ifndef __ASM_POWERPC_FIRMWARE_H
  9#define __ASM_POWERPC_FIRMWARE_H
 10
 11#ifdef __KERNEL__
 12
 13#include <asm/asm-const.h>
 14
 15/* firmware feature bitmask values */
 16
 17#define FW_FEATURE_PFT		ASM_CONST(0x0000000000000001)
 18#define FW_FEATURE_TCE		ASM_CONST(0x0000000000000002)
 19#define FW_FEATURE_SPRG0	ASM_CONST(0x0000000000000004)
 20#define FW_FEATURE_DABR		ASM_CONST(0x0000000000000008)
 21#define FW_FEATURE_COPY		ASM_CONST(0x0000000000000010)
 22#define FW_FEATURE_ASR		ASM_CONST(0x0000000000000020)
 23#define FW_FEATURE_DEBUG	ASM_CONST(0x0000000000000040)
 24#define FW_FEATURE_TERM		ASM_CONST(0x0000000000000080)
 25#define FW_FEATURE_PERF		ASM_CONST(0x0000000000000100)
 26#define FW_FEATURE_DUMP		ASM_CONST(0x0000000000000200)
 27#define FW_FEATURE_INTERRUPT	ASM_CONST(0x0000000000000400)
 28#define FW_FEATURE_MIGRATE	ASM_CONST(0x0000000000000800)
 29#define FW_FEATURE_PERFMON	ASM_CONST(0x0000000000001000)
 30#define FW_FEATURE_CRQ		ASM_CONST(0x0000000000002000)
 31#define FW_FEATURE_VIO		ASM_CONST(0x0000000000004000)
 32#define FW_FEATURE_RDMA		ASM_CONST(0x0000000000008000)
 33#define FW_FEATURE_LLAN		ASM_CONST(0x0000000000010000)
 34#define FW_FEATURE_BULK_REMOVE	ASM_CONST(0x0000000000020000)
 35#define FW_FEATURE_XDABR	ASM_CONST(0x0000000000040000)
 36#define FW_FEATURE_PUT_TCE_IND	ASM_CONST(0x0000000000080000)
 37#define FW_FEATURE_SPLPAR	ASM_CONST(0x0000000000100000)
 38#define FW_FEATURE_LPAR		ASM_CONST(0x0000000000400000)
 39#define FW_FEATURE_PS3_LV1	ASM_CONST(0x0000000000800000)
 40#define FW_FEATURE_HPT_RESIZE	ASM_CONST(0x0000000001000000)
 41#define FW_FEATURE_CMO		ASM_CONST(0x0000000002000000)
 42#define FW_FEATURE_VPHN		ASM_CONST(0x0000000004000000)
 43#define FW_FEATURE_XCMO		ASM_CONST(0x0000000008000000)
 44#define FW_FEATURE_OPAL		ASM_CONST(0x0000000010000000)
 45#define FW_FEATURE_SET_MODE	ASM_CONST(0x0000000040000000)
 46#define FW_FEATURE_BEST_ENERGY	ASM_CONST(0x0000000080000000)
 47#define FW_FEATURE_FORM1_AFFINITY ASM_CONST(0x0000000100000000)
 48#define FW_FEATURE_PRRN		ASM_CONST(0x0000000200000000)
 49#define FW_FEATURE_DRMEM_V2	ASM_CONST(0x0000000400000000)
 50#define FW_FEATURE_DRC_INFO	ASM_CONST(0x0000000800000000)
 51#define FW_FEATURE_BLOCK_REMOVE ASM_CONST(0x0000001000000000)
 52#define FW_FEATURE_PAPR_SCM 	ASM_CONST(0x0000002000000000)
 53#define FW_FEATURE_ULTRAVISOR	ASM_CONST(0x0000004000000000)
 54#define FW_FEATURE_STUFF_TCE	ASM_CONST(0x0000008000000000)
 55#define FW_FEATURE_RPT_INVALIDATE ASM_CONST(0x0000010000000000)
 56#define FW_FEATURE_FORM2_AFFINITY ASM_CONST(0x0000020000000000)
 57#define FW_FEATURE_ENERGY_SCALE_INFO ASM_CONST(0x0000040000000000)
 58#define FW_FEATURE_WATCHDOG	ASM_CONST(0x0000080000000000)
 59#define FW_FEATURE_PLPKS	ASM_CONST(0x0000100000000000)
 60
 61#ifndef __ASSEMBLY__
 62
 63enum {
 64#ifdef CONFIG_PPC64
 65	FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
 66		FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
 67		FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
 68		FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
 69		FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
 70		FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
 71		FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
 72		FW_FEATURE_PUT_TCE_IND | FW_FEATURE_STUFF_TCE |
 73		FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
 74		FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
 75		FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
 76		FW_FEATURE_FORM1_AFFINITY | FW_FEATURE_PRRN |
 77		FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 |
 78		FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
 79		FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR |
 80		FW_FEATURE_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY |
 81		FW_FEATURE_ENERGY_SCALE_INFO | FW_FEATURE_WATCHDOG |
 82		FW_FEATURE_PLPKS,
 83	FW_FEATURE_PSERIES_ALWAYS = 0,
 84	FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
 85	FW_FEATURE_POWERNV_ALWAYS = 0,
 86	FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
 87	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
 88	FW_FEATURE_NATIVE_POSSIBLE = 0,
 89	FW_FEATURE_NATIVE_ALWAYS = 0,
 90	FW_FEATURE_POSSIBLE =
 91#ifdef CONFIG_PPC_PSERIES
 92		FW_FEATURE_PSERIES_POSSIBLE |
 93#endif
 94#ifdef CONFIG_PPC_POWERNV
 95		FW_FEATURE_POWERNV_POSSIBLE |
 96#endif
 97#ifdef CONFIG_PPC_PS3
 98		FW_FEATURE_PS3_POSSIBLE |
 99#endif
100#ifdef CONFIG_PPC_HASH_MMU_NATIVE
101		FW_FEATURE_NATIVE_ALWAYS |
102#endif
103		0,
104	FW_FEATURE_ALWAYS =
105#ifdef CONFIG_PPC_PSERIES
106		FW_FEATURE_PSERIES_ALWAYS &
107#endif
108#ifdef CONFIG_PPC_POWERNV
109		FW_FEATURE_POWERNV_ALWAYS &
110#endif
111#ifdef CONFIG_PPC_PS3
112		FW_FEATURE_PS3_ALWAYS &
113#endif
114#ifdef CONFIG_PPC_HASH_MMU_NATIVE
115		FW_FEATURE_NATIVE_ALWAYS &
116#endif
117		FW_FEATURE_POSSIBLE,
118
119#else /* CONFIG_PPC64 */
120	FW_FEATURE_POSSIBLE = 0,
121	FW_FEATURE_ALWAYS = 0,
122#endif
123};
124
125/* This is used to identify firmware features which are available
126 * to the kernel.
127 */
128extern unsigned long	powerpc_firmware_features;
129
130#define firmware_has_feature(feature)					\
131	((FW_FEATURE_ALWAYS & (feature)) ||				\
132		(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
133
134extern void system_reset_fwnmi(void);
135extern void machine_check_fwnmi(void);
136
137/* This is true if we are using the firmware NMI handler (typically LPAR) */
138extern int fwnmi_active;
139extern int ibm_nmi_interlock_token;
140
141extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
142
143#ifdef CONFIG_PPC_PSERIES
144void pseries_probe_fw_features(void);
145#else
146static inline void pseries_probe_fw_features(void) { }
147#endif
148
149#endif /* __ASSEMBLY__ */
150#endif /* __KERNEL__ */
151#endif /* __ASM_POWERPC_FIRMWARE_H */

  1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
  4 *
  5 *  Modifications for ppc64:
  6 *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
  7 */
  8#ifndef __ASM_POWERPC_FIRMWARE_H
  9#define __ASM_POWERPC_FIRMWARE_H
 10
 11#ifdef __KERNEL__
 12
 13#include <asm/asm-const.h>
 14
 15/* firmware feature bitmask values */
 16
 17#define FW_FEATURE_PFT		ASM_CONST(0x0000000000000001)
 18#define FW_FEATURE_TCE		ASM_CONST(0x0000000000000002)
 19#define FW_FEATURE_SPRG0	ASM_CONST(0x0000000000000004)
 20#define FW_FEATURE_DABR		ASM_CONST(0x0000000000000008)
 21#define FW_FEATURE_COPY		ASM_CONST(0x0000000000000010)
 22#define FW_FEATURE_ASR		ASM_CONST(0x0000000000000020)
 23#define FW_FEATURE_DEBUG	ASM_CONST(0x0000000000000040)
 24#define FW_FEATURE_TERM		ASM_CONST(0x0000000000000080)
 25#define FW_FEATURE_PERF		ASM_CONST(0x0000000000000100)
 26#define FW_FEATURE_DUMP		ASM_CONST(0x0000000000000200)
 27#define FW_FEATURE_INTERRUPT	ASM_CONST(0x0000000000000400)
 28#define FW_FEATURE_MIGRATE	ASM_CONST(0x0000000000000800)
 29#define FW_FEATURE_PERFMON	ASM_CONST(0x0000000000001000)
 30#define FW_FEATURE_CRQ		ASM_CONST(0x0000000000002000)
 31#define FW_FEATURE_VIO		ASM_CONST(0x0000000000004000)
 32#define FW_FEATURE_RDMA		ASM_CONST(0x0000000000008000)
 33#define FW_FEATURE_LLAN		ASM_CONST(0x0000000000010000)
 34#define FW_FEATURE_BULK_REMOVE	ASM_CONST(0x0000000000020000)
 35#define FW_FEATURE_XDABR	ASM_CONST(0x0000000000040000)
 36#define FW_FEATURE_MULTITCE	ASM_CONST(0x0000000000080000)
 37#define FW_FEATURE_SPLPAR	ASM_CONST(0x0000000000100000)
 38#define FW_FEATURE_LPAR		ASM_CONST(0x0000000000400000)
 39#define FW_FEATURE_PS3_LV1	ASM_CONST(0x0000000000800000)
 40#define FW_FEATURE_HPT_RESIZE	ASM_CONST(0x0000000001000000)
 41#define FW_FEATURE_CMO		ASM_CONST(0x0000000002000000)
 42#define FW_FEATURE_VPHN		ASM_CONST(0x0000000004000000)
 43#define FW_FEATURE_XCMO		ASM_CONST(0x0000000008000000)
 44#define FW_FEATURE_OPAL		ASM_CONST(0x0000000010000000)
 45#define FW_FEATURE_SET_MODE	ASM_CONST(0x0000000040000000)
 46#define FW_FEATURE_BEST_ENERGY	ASM_CONST(0x0000000080000000)
 47#define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
 48#define FW_FEATURE_PRRN		ASM_CONST(0x0000000200000000)
 49#define FW_FEATURE_DRMEM_V2	ASM_CONST(0x0000000400000000)
 50#define FW_FEATURE_DRC_INFO	ASM_CONST(0x0000000800000000)
 51#define FW_FEATURE_BLOCK_REMOVE ASM_CONST(0x0000001000000000)
 52#define FW_FEATURE_PAPR_SCM 	ASM_CONST(0x0000002000000000)
 53#define FW_FEATURE_ULTRAVISOR	ASM_CONST(0x0000004000000000)
 
 
 
 
 
 
 54
 55#ifndef __ASSEMBLY__
 56
 57enum {
 58#ifdef CONFIG_PPC64
 59	FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
 60		FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
 61		FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
 62		FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
 63		FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
 64		FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
 65		FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
 66		FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
 
 67		FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
 68		FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
 69		FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
 70		FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 |
 71		FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
 72		FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR,
 
 
 
 73	FW_FEATURE_PSERIES_ALWAYS = 0,
 74	FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
 75	FW_FEATURE_POWERNV_ALWAYS = 0,
 76	FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
 77	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
 78	FW_FEATURE_NATIVE_POSSIBLE = 0,
 79	FW_FEATURE_NATIVE_ALWAYS = 0,
 80	FW_FEATURE_POSSIBLE =
 81#ifdef CONFIG_PPC_PSERIES
 82		FW_FEATURE_PSERIES_POSSIBLE |
 83#endif
 84#ifdef CONFIG_PPC_POWERNV
 85		FW_FEATURE_POWERNV_POSSIBLE |
 86#endif
 87#ifdef CONFIG_PPC_PS3
 88		FW_FEATURE_PS3_POSSIBLE |
 89#endif
 90#ifdef CONFIG_PPC_NATIVE
 91		FW_FEATURE_NATIVE_ALWAYS |
 92#endif
 93		0,
 94	FW_FEATURE_ALWAYS =
 95#ifdef CONFIG_PPC_PSERIES
 96		FW_FEATURE_PSERIES_ALWAYS &
 97#endif
 98#ifdef CONFIG_PPC_POWERNV
 99		FW_FEATURE_POWERNV_ALWAYS &
100#endif
101#ifdef CONFIG_PPC_PS3
102		FW_FEATURE_PS3_ALWAYS &
103#endif
104#ifdef CONFIG_PPC_NATIVE
105		FW_FEATURE_NATIVE_ALWAYS &
106#endif
107		FW_FEATURE_POSSIBLE,
108
109#else /* CONFIG_PPC64 */
110	FW_FEATURE_POSSIBLE = 0,
111	FW_FEATURE_ALWAYS = 0,
112#endif
113};
114
115/* This is used to identify firmware features which are available
116 * to the kernel.
117 */
118extern unsigned long	powerpc_firmware_features;
119
120#define firmware_has_feature(feature)					\
121	((FW_FEATURE_ALWAYS & (feature)) ||				\
122		(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
123
124extern void system_reset_fwnmi(void);
125extern void machine_check_fwnmi(void);
126
127/* This is true if we are using the firmware NMI handler (typically LPAR) */
128extern int fwnmi_active;
 
129
130extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
131
132#ifdef CONFIG_PPC_PSERIES
133void pseries_probe_fw_features(void);
134#else
135static inline void pseries_probe_fw_features(void) { };
136#endif
137
138#endif /* __ASSEMBLY__ */
139#endif /* __KERNEL__ */
140#endif /* __ASM_POWERPC_FIRMWARE_H */