| /* | |
| * Copyright 2017 IBM Corp. | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License | |
| * as published by the Free Software Foundation; either version | |
| * 2 of the License, or (at your option) any later version. | |
| */ | |
| #ifndef _ASM_POWERNV_H | |
| #define _ASM_POWERNV_H | |
| #ifdef CONFIG_PPC_POWERNV | |
| #define NPU2_WRITE 1 | |
| extern void powernv_set_nmmu_ptcr(unsigned long ptcr); | |
| extern struct npu_context *pnv_npu2_init_context(struct pci_dev *gpdev, | |
| unsigned long flags, | |
| struct npu_context *(*cb)(struct npu_context *, void *), | |
| void *priv); | |
| extern void pnv_npu2_destroy_context(struct npu_context *context, | |
| struct pci_dev *gpdev); | |
| extern int pnv_npu2_handle_fault(struct npu_context *context, uintptr_t *ea, | |
| unsigned long *flags, unsigned long *status, | |
| int count); | |
| #else | |
| static inline void powernv_set_nmmu_ptcr(unsigned long ptcr) { } | |
| static inline struct npu_context *pnv_npu2_init_context(struct pci_dev *gpdev, | |
| unsigned long flags, | |
| struct npu_context *(*cb)(struct npu_context *, void *), | |
| void *priv) { return ERR_PTR(-ENODEV); } | |
| static inline void pnv_npu2_destroy_context(struct npu_context *context, | |
| struct pci_dev *gpdev) { } | |
| static inline int pnv_npu2_handle_fault(struct npu_context *context, | |
| uintptr_t *ea, unsigned long *flags, | |
| unsigned long *status, int count) { | |
| return -ENODEV; | |
| } | |
| #endif | |
| #endif /* _ASM_POWERNV_H */ |