| /* 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_FORM1_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) |
| #define FW_FEATURE_RPT_INVALIDATE ASM_CONST(0x0000010000000000) |
| #define FW_FEATURE_FORM2_AFFINITY ASM_CONST(0x0000020000000000) |
| #define FW_FEATURE_ENERGY_SCALE_INFO ASM_CONST(0x0000040000000000) |
| #define FW_FEATURE_WATCHDOG ASM_CONST(0x0000080000000000) |
| |
| #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_FORM1_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_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY | |
| FW_FEATURE_ENERGY_SCALE_INFO | FW_FEATURE_WATCHDOG, |
| 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_HASH_MMU_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_HASH_MMU_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 int ibm_nmi_interlock_token; |
| |
| 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 */ |
