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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
*
* Modifications for ppc64:
* Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
*/
#ifndef __ASM_POWERPC_FIRMWARE_H
#define __ASM_POWERPC_FIRMWARE_H
#ifdef __KERNEL__
#include <asm/asm-const.h>
/* firmware feature bitmask values */
#define FW_FEATURE_PFT ASM_CONST(0x0000000000000001)
#define FW_FEATURE_TCE ASM_CONST(0x0000000000000002)
#define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004)
#define FW_FEATURE_DABR ASM_CONST(0x0000000000000008)
#define FW_FEATURE_COPY ASM_CONST(0x0000000000000010)
#define FW_FEATURE_ASR ASM_CONST(0x0000000000000020)
#define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040)
#define FW_FEATURE_TERM ASM_CONST(0x0000000000000080)
#define FW_FEATURE_PERF ASM_CONST(0x0000000000000100)
#define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200)
#define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400)
#define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800)
#define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000)
#define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000)
#define FW_FEATURE_VIO ASM_CONST(0x0000000000004000)
#define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000)
#define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000)
#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000)
#define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000)
#define FW_FEATURE_PUT_TCE_IND ASM_CONST(0x0000000000080000)
#define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000)
#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000)
#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
#define FW_FEATURE_HPT_RESIZE ASM_CONST(0x0000000001000000)
#define FW_FEATURE_CMO ASM_CONST(0x0000000002000000)
#define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000)
#define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000)
#define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000)
#define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000)
#define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000)
#define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
#define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
#define FW_FEATURE_DRMEM_V2 ASM_CONST(0x0000000400000000)
#define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000)
#define FW_FEATURE_BLOCK_REMOVE ASM_CONST(0x0000001000000000)
#define FW_FEATURE_PAPR_SCM ASM_CONST(0x0000002000000000)
#define FW_FEATURE_ULTRAVISOR ASM_CONST(0x0000004000000000)
#define FW_FEATURE_STUFF_TCE ASM_CONST(0x0000008000000000)
#ifndef __ASSEMBLY__
enum {
#ifdef CONFIG_PPC64
FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
FW_FEATURE_PUT_TCE_IND | FW_FEATURE_STUFF_TCE |
FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 |
FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
FW_FEATURE_POWERNV_ALWAYS = 0,
FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
FW_FEATURE_NATIVE_POSSIBLE = 0,
FW_FEATURE_NATIVE_ALWAYS = 0,
FW_FEATURE_POSSIBLE =
#ifdef CONFIG_PPC_PSERIES
FW_FEATURE_PSERIES_POSSIBLE |
#endif
#ifdef CONFIG_PPC_POWERNV
FW_FEATURE_POWERNV_POSSIBLE |
#endif
#ifdef CONFIG_PPC_PS3
FW_FEATURE_PS3_POSSIBLE |
#endif
#ifdef CONFIG_PPC_NATIVE
FW_FEATURE_NATIVE_ALWAYS |
#endif
0,
FW_FEATURE_ALWAYS =
#ifdef CONFIG_PPC_PSERIES
FW_FEATURE_PSERIES_ALWAYS &
#endif
#ifdef CONFIG_PPC_POWERNV
FW_FEATURE_POWERNV_ALWAYS &
#endif
#ifdef CONFIG_PPC_PS3
FW_FEATURE_PS3_ALWAYS &
#endif
#ifdef CONFIG_PPC_NATIVE
FW_FEATURE_NATIVE_ALWAYS &
#endif
FW_FEATURE_POSSIBLE,
#else /* CONFIG_PPC64 */
FW_FEATURE_POSSIBLE = 0,
FW_FEATURE_ALWAYS = 0,
#endif
};
/* This is used to identify firmware features which are available
* to the kernel.
*/
extern unsigned long powerpc_firmware_features;
#define firmware_has_feature(feature) \
((FW_FEATURE_ALWAYS & (feature)) || \
(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
extern void system_reset_fwnmi(void);
extern void machine_check_fwnmi(void);
/* This is true if we are using the firmware NMI handler (typically LPAR) */
extern int fwnmi_active;
extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
#ifdef CONFIG_PPC_PSERIES
void pseries_probe_fw_features(void);
#else
static inline void pseries_probe_fw_features(void) { };
#endif
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_FIRMWARE_H */
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