diff options
Diffstat (limited to 'arch/s390/include/asm/sigp.h')
| -rw-r--r-- | arch/s390/include/asm/sigp.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h index 5a87d16d3e7c..97d77868f83c 100644 --- a/arch/s390/include/asm/sigp.h +++ b/arch/s390/include/asm/sigp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __S390_ASM_SIGP_H #define __S390_ASM_SIGP_H @@ -5,14 +6,19 @@ #define SIGP_SENSE 1 #define SIGP_EXTERNAL_CALL 2 #define SIGP_EMERGENCY_SIGNAL 3 +#define SIGP_START 4 #define SIGP_STOP 5 #define SIGP_RESTART 6 #define SIGP_STOP_AND_STORE_STATUS 9 #define SIGP_INITIAL_CPU_RESET 11 +#define SIGP_CPU_RESET 12 #define SIGP_SET_PREFIX 13 #define SIGP_STORE_STATUS_AT_ADDRESS 14 #define SIGP_SET_ARCHITECTURE 18 +#define SIGP_COND_EMERGENCY_SIGNAL 19 #define SIGP_SENSE_RUNNING 21 +#define SIGP_SET_MULTI_THREADING 22 +#define SIGP_STORE_ADDITIONAL_STATUS 23 /* SIGP condition codes */ #define SIGP_CC_ORDER_CODE_ACCEPTED 0 @@ -22,6 +28,7 @@ /* SIGP cpu status bits */ +#define SIGP_STATUS_INVALID_ORDER 0x00000002UL #define SIGP_STATUS_CHECK_STOP 0x00000010UL #define SIGP_STATUS_STOPPED 0x00000040UL #define SIGP_STATUS_EXT_CALL_PENDING 0x00000080UL @@ -29,4 +36,38 @@ #define SIGP_STATUS_INCORRECT_STATE 0x00000200UL #define SIGP_STATUS_NOT_RUNNING 0x00000400UL +#ifndef __ASSEMBLER__ + +#include <asm/asm.h> + +static inline int ____pcpu_sigp(u16 addr, u8 order, unsigned long parm, + u32 *status) +{ + union register_pair r1 = { .odd = parm, }; + int cc; + + asm volatile( + " sigp %[r1],%[addr],0(%[order])\n" + CC_IPM(cc) + : CC_OUT(cc, cc), [r1] "+d" (r1.pair) + : [addr] "d" (addr), [order] "a" (order) + : CC_CLOBBER); + *status = r1.even; + return CC_TRANSFORM(cc); +} + +static inline int __pcpu_sigp(u16 addr, u8 order, unsigned long parm, + u32 *status) +{ + u32 _status; + int cc; + + cc = ____pcpu_sigp(addr, order, parm, &_status); + if (status && cc == SIGP_CC_STATUS_STORED) + *status = _status; + return cc; +} + +#endif /* __ASSEMBLER__ */ + #endif /* __S390_ASM_SIGP_H */ |