| /* |
| * 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 */ |
