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powerpc/tm: Move TM abort cause codes to uapi 

These cause codes are usable by userspace, so let's export to uapi.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Cc: <stable@vger.kernel.org> # v3.9
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Neuling 2013-05-26 18:30:56 +00:00 committed by Benjamin Herrenschmidt
parent 6ce6c629fd
commit b75c100ef2
4 changed files with 21 additions and 14 deletions
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14
arch/powerpc/include/asm/reg.h
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@ -111,20 +111,6 @@
#define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T)
#define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S)
/* Reason codes describing kernel causes for transaction aborts. By
convention, bit0 is copied to TEXASR[56] (IBM bit 7) which is set if
the failure is persistent. PAPR saves 0xff-0xe0 for the hypervisor.
*/
#define TM_CAUSE_PERSISTENT 0x01
#define TM_CAUSE_RESCHED 0xde
#define TM_CAUSE_TLBI 0xdc
#define TM_CAUSE_FAC_UNAV 0xda
#define TM_CAUSE_SYSCALL 0xd8 /* future use */
#define TM_CAUSE_MISC 0xd6 /* future use */
#define TM_CAUSE_SIGNAL 0xd4
#define TM_CAUSE_ALIGNMENT 0xd2
#define TM_CAUSE_EMULATE 0xd0
#if defined(CONFIG_PPC_BOOK3S_64)
#define MSR_64BIT MSR_SF

2
arch/powerpc/include/asm/tm.h
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@ -5,6 +5,8 @@
* Copyright 2012 Matt Evans & Michael Neuling, IBM Corporation.
*/
#include <uapi/asm/tm.h>
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
extern void do_load_up_transact_fpu(struct thread_struct *thread);
extern void do_load_up_transact_altivec(struct thread_struct *thread);

1
arch/powerpc/include/uapi/asm/Kbuild
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@ -40,6 +40,7 @@ header-y += statfs.h
header-y += swab.h
header-y += termbits.h
header-y += termios.h
header-y += tm.h
header-y += types.h
header-y += ucontext.h
header-y += unistd.h

18
arch/powerpc/include/uapi/asm/tm.h Normal file
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@ -0,0 +1,18 @@
#ifndef _ASM_POWERPC_TM_H
#define _ASM_POWERPC_TM_H
/* Reason codes describing kernel causes for transaction aborts. By
* convention, bit0 is copied to TEXASR[56] (IBM bit 7) which is set if
* the failure is persistent. PAPR saves 0xff-0xe0 for the hypervisor.
*/
#define TM_CAUSE_PERSISTENT 0x01
#define TM_CAUSE_RESCHED 0xde
#define TM_CAUSE_TLBI 0xdc
#define TM_CAUSE_FAC_UNAV 0xda
#define TM_CAUSE_SYSCALL 0xd8 /* future use */
#define TM_CAUSE_MISC 0xd6 /* future use */
#define TM_CAUSE_SIGNAL 0xd4
#define TM_CAUSE_ALIGNMENT 0xd2
#define TM_CAUSE_EMULATE 0xd0
#endif