summaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/icswx.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/icswx.h')
-rw-r--r--arch/powerpc/mm/icswx.h68
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/powerpc/mm/icswx.h b/arch/powerpc/mm/icswx.h
deleted file mode 100644
index 6dedc08e62c8..000000000000
--- a/arch/powerpc/mm/icswx.h
+++ /dev/null
@@ -1,68 +0,0 @@
-#ifndef _ARCH_POWERPC_MM_ICSWX_H_
-#define _ARCH_POWERPC_MM_ICSWX_H_
-
-/*
- * ICSWX and ACOP Management
- *
- * Copyright (C) 2011 Anton Blanchard, IBM Corp. <anton@samba.org>
- *
- * 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.
- *
- */
-
-#include <asm/mmu_context.h>
-
-/* also used to denote that PIDs are not used */
-#define COP_PID_NONE 0
-
-static inline void sync_cop(void *arg)
-{
- struct mm_struct *mm = arg;
-
- if (mm == current->active_mm)
- switch_cop(current->active_mm);
-}
-
-#ifdef CONFIG_PPC_ICSWX_PID
-extern int get_cop_pid(struct mm_struct *mm);
-extern int disable_cop_pid(struct mm_struct *mm);
-extern void free_cop_pid(int free_pid);
-#else
-#define get_cop_pid(m) (COP_PID_NONE)
-#define disable_cop_pid(m) (COP_PID_NONE)
-#define free_cop_pid(p)
-#endif
-
-/*
- * These are implementation bits for architected registers. If this
- * ever becomes architecture the should be moved to reg.h et. al.
- */
-/* UCT is the same bit for Server and Embedded */
-#define ICSWX_DSI_UCT 0x00004000 /* Unavailable Coprocessor Type */
-
-#ifdef CONFIG_PPC_BOOK3E
-/* Embedded implementation gives us no hints as to what the CT is */
-#define ICSWX_GET_CT_HINT(x) (-1)
-#else
-/* Server implementation contains the CT value in the DSISR */
-#define ICSWX_DSISR_CTMASK 0x00003f00
-#define ICSWX_GET_CT_HINT(x) (((x) & ICSWX_DSISR_CTMASK) >> 8)
-#endif
-
-#define ICSWX_RC_STARTED 0x8 /* The request has been started */
-#define ICSWX_RC_NOT_IDLE 0x4 /* No coprocessor found idle */
-#define ICSWX_RC_NOT_FOUND 0x2 /* No coprocessor found */
-#define ICSWX_RC_UNDEFINED 0x1 /* Reserved */
-
-extern int acop_handle_fault(struct pt_regs *regs, unsigned long address,
- unsigned long error_code);
-
-static inline u64 acop_copro_type_bit(unsigned int type)
-{
- return 1ULL << (63 - type);
-}
-
-#endif /* !_ARCH_POWERPC_MM_ICSWX_H_ */