1 files changed, 48 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/powernv.h b/arch/powerpc/include/asm/powernv.h
new file mode 100644
index 000000000..d85fcfea3
--- /dev/null
+++ b/arch/powerpc/include/asm/powernv.h
@@ -0,0 +1,48 @@
+/*
+ * 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,
+			void (*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);
+
+void pnv_program_cpu_hotplug_lpcr(unsigned int cpu, u64 lpcr_val);
+
+void pnv_tm_init(void);
+#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;
+}
+
+static inline void pnv_tm_init(void) { }
+static inline void pnv_power9_force_smt4(void) { }
+#endif
+
+#endif /* _ASM_POWERNV_H */