1 /* 2 * Copyright 2017 IBM Corp. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 7 * 2 of the License, or (at your option) any later version. 8 */ 9 10 #ifndef _ASM_POWERNV_H 11 #define _ASM_POWERNV_H 12 13 #ifdef CONFIG_PPC_POWERNV 14 #define NPU2_WRITE 1 15 extern void powernv_set_nmmu_ptcr(unsigned long ptcr); 16 extern struct npu_context *pnv_npu2_init_context(struct pci_dev *gpdev, 17 unsigned long flags, 18 void (*cb)(struct npu_context *, void *), 19 void *priv); 20 extern void pnv_npu2_destroy_context(struct npu_context *context, 21 struct pci_dev *gpdev); 22 extern int pnv_npu2_handle_fault(struct npu_context *context, uintptr_t *ea, 23 unsigned long *flags, unsigned long *status, 24 int count); 25 26 void pnv_program_cpu_hotplug_lpcr(unsigned int cpu, u64 lpcr_val); 27 28 void pnv_tm_init(void); 29 #else 30 static inline void powernv_set_nmmu_ptcr(unsigned long ptcr) { } 31 static inline struct npu_context *pnv_npu2_init_context(struct pci_dev *gpdev, 32 unsigned long flags, 33 struct npu_context *(*cb)(struct npu_context *, void *), 34 void *priv) { return ERR_PTR(-ENODEV); } 35 static inline void pnv_npu2_destroy_context(struct npu_context *context, 36 struct pci_dev *gpdev) { } 37 38 static inline int pnv_npu2_handle_fault(struct npu_context *context, 39 uintptr_t *ea, unsigned long *flags, 40 unsigned long *status, int count) { 41 return -ENODEV; 42 } 43 44 static inline void pnv_tm_init(void) { } 45 #endif 46 47 #endif /* _ASM_POWERNV_H */ 48