/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 1999, 2009 * * Author(s): Martin Schwidefsky */ #ifndef __ASM_S390_CTLREG_H #define __ASM_S390_CTLREG_H #include #define CR0_TRANSACTIONAL_EXECUTION_BIT (63 - 8) #define CR0_CLOCK_COMPARATOR_SIGN_BIT (63 - 10) #define CR0_CRYPTOGRAPHY_COUNTER_BIT (63 - 13) #define CR0_PAI_EXTENSION_BIT (63 - 14) #define CR0_CPUMF_EXTRACTION_AUTH_BIT (63 - 15) #define CR0_WARNING_TRACK_BIT (63 - 30) #define CR0_LOW_ADDRESS_PROTECTION_BIT (63 - 35) #define CR0_FETCH_PROTECTION_OVERRIDE_BIT (63 - 38) #define CR0_STORAGE_PROTECTION_OVERRIDE_BIT (63 - 39) #define CR0_EDAT_BIT (63 - 40) #define CR0_INSTRUCTION_EXEC_PROTECTION_BIT (63 - 43) #define CR0_VECTOR_BIT (63 - 46) #define CR0_MALFUNCTION_ALERT_SUBMASK_BIT (63 - 48) #define CR0_EMERGENCY_SIGNAL_SUBMASK_BIT (63 - 49) #define CR0_EXTERNAL_CALL_SUBMASK_BIT (63 - 50) #define CR0_CLOCK_COMPARATOR_SUBMASK_BIT (63 - 52) #define CR0_CPU_TIMER_SUBMASK_BIT (63 - 53) #define CR0_SERVICE_SIGNAL_SUBMASK_BIT (63 - 54) #define CR0_UNUSED_56_BIT (63 - 56) #define CR0_INTERRUPT_KEY_SUBMASK_BIT (63 - 57) #define CR0_MEASUREMENT_ALERT_SUBMASK_BIT (63 - 58) #define CR0_ETR_SUBMASK_BIT (63 - 59) #define CR0_IUCV_BIT (63 - 62) #define CR0_TRANSACTIONAL_EXECUTION BIT(CR0_TRANSACTIONAL_EXECUTION_BIT) #define CR0_CLOCK_COMPARATOR_SIGN BIT(CR0_CLOCK_COMPARATOR_SIGN_BIT) #define CR0_CRYPTOGRAPHY_COUNTER BIT(CR0_CRYPTOGRAPHY_COUNTER_BIT) #define CR0_PAI_EXTENSION BIT(CR0_PAI_EXTENSION_BIT) #define CR0_CPUMF_EXTRACTION_AUTH BIT(CR0_CPUMF_EXTRACTION_AUTH_BIT) #define CR0_WARNING_TRACK BIT(CR0_WARNING_TRACK_BIT) #define CR0_LOW_ADDRESS_PROTECTION BIT(CR0_LOW_ADDRESS_PROTECTION_BIT) #define CR0_FETCH_PROTECTION_OVERRIDE BIT(CR0_FETCH_PROTECTION_OVERRIDE_BIT) #define CR0_STORAGE_PROTECTION_OVERRIDE BIT(CR0_STORAGE_PROTECTION_OVERRIDE_BIT) #define CR0_EDAT BIT(CR0_EDAT_BIT) #define CR0_INSTRUCTION_EXEC_PROTECTION BIT(CR0_INSTRUCTION_EXEC_PROTECTION_BIT) #define CR0_VECTOR BIT(CR0_VECTOR_BIT) #define CR0_MALFUNCTION_ALERT_SUBMASK BIT(CR0_MALFUNCTION_ALERT_SUBMASK_BIT) #define CR0_EMERGENCY_SIGNAL_SUBMASK BIT(CR0_EMERGENCY_SIGNAL_SUBMASK_BIT) #define CR0_EXTERNAL_CALL_SUBMASK BIT(CR0_EXTERNAL_CALL_SUBMASK_BIT) #define CR0_CLOCK_COMPARATOR_SUBMASK BIT(CR0_CLOCK_COMPARATOR_SUBMASK_BIT) #define CR0_CPU_TIMER_SUBMASK BIT(CR0_CPU_TIMER_SUBMASK_BIT) #define CR0_SERVICE_SIGNAL_SUBMASK BIT(CR0_SERVICE_SIGNAL_SUBMASK_BIT) #define CR0_UNUSED_56 BIT(CR0_UNUSED_56_BIT) #define CR0_INTERRUPT_KEY_SUBMASK BIT(CR0_INTERRUPT_KEY_SUBMASK_BIT) #define CR0_MEASUREMENT_ALERT_SUBMASK BIT(CR0_MEASUREMENT_ALERT_SUBMASK_BIT) #define CR0_ETR_SUBMASK BIT(CR0_ETR_SUBMASK_BIT) #define CR0_IUCV BIT(CR0_IUCV_BIT) #define CR2_MIO_ADDRESSING_BIT (63 - 58) #define CR2_GUARDED_STORAGE_BIT (63 - 59) #define CR2_MIO_ADDRESSING BIT(CR2_MIO_ADDRESSING_BIT) #define CR2_GUARDED_STORAGE BIT(CR2_GUARDED_STORAGE_BIT) #define CR14_UNUSED_32_BIT (63 - 32) #define CR14_UNUSED_33_BIT (63 - 33) #define CR14_CHANNEL_REPORT_SUBMASK_BIT (63 - 35) #define CR14_RECOVERY_SUBMASK_BIT (63 - 36) #define CR14_DEGRADATION_SUBMASK_BIT (63 - 37) #define CR14_EXTERNAL_DAMAGE_SUBMASK_BIT (63 - 38) #define CR14_WARNING_SUBMASK_BIT (63 - 39) #define CR14_UNUSED_32 BIT(CR14_UNUSED_32_BIT) #define CR14_UNUSED_33 BIT(CR14_UNUSED_33_BIT) #define CR14_CHANNEL_REPORT_SUBMASK BIT(CR14_CHANNEL_REPORT_SUBMASK_BIT) #define CR14_RECOVERY_SUBMASK BIT(CR14_RECOVERY_SUBMASK_BIT) #define CR14_DEGRADATION_SUBMASK BIT(CR14_DEGRADATION_SUBMASK_BIT) #define CR14_EXTERNAL_DAMAGE_SUBMASK BIT(CR14_EXTERNAL_DAMAGE_SUBMASK_BIT) #define CR14_WARNING_SUBMASK BIT(CR14_WARNING_SUBMASK_BIT) #ifndef __ASSEMBLY__ #include struct ctlreg { unsigned long val; }; #define __local_ctl_load(low, high, array) do { \ struct addrtype { \ char _[sizeof(array)]; \ }; \ int _high = high; \ int _low = low; \ int _esize; \ \ _esize = (_high - _low + 1) * sizeof(struct ctlreg); \ BUILD_BUG_ON(sizeof(struct addrtype) != _esize); \ typecheck(struct ctlreg, array[0]); \ asm volatile( \ " lctlg %[_low],%[_high],%[_arr]\n" \ : \ : [_arr] "Q" (*(struct addrtype *)(&array)), \ [_low] "i" (low), [_high] "i" (high) \ : "memory"); \ } while (0) #define __local_ctl_store(low, high, array) do { \ struct addrtype { \ char _[sizeof(array)]; \ }; \ int _high = high; \ int _low = low; \ int _esize; \ \ _esize = (_high - _low + 1) * sizeof(struct ctlreg); \ BUILD_BUG_ON(sizeof(struct addrtype) != _esize); \ typecheck(struct ctlreg, array[0]); \ asm volatile( \ " stctg %[_low],%[_high],%[_arr]\n" \ : [_arr] "=Q" (*(struct addrtype *)(&array)) \ : [_low] "i" (low), [_high] "i" (high)); \ } while (0) static __always_inline void local_ctl_load(unsigned int cr, struct ctlreg *reg) { asm volatile( " lctlg %[cr],%[cr],%[reg]\n" : : [reg] "Q" (*reg), [cr] "i" (cr) : "memory"); } static __always_inline void local_ctl_store(unsigned int cr, struct ctlreg *reg) { asm volatile( " stctg %[cr],%[cr],%[reg]\n" : [reg] "=Q" (*reg) : [cr] "i" (cr)); } static __always_inline struct ctlreg local_ctl_set_bit(unsigned int cr, unsigned int bit) { struct ctlreg new, old; local_ctl_store(cr, &old); new = old; new.val |= 1UL << bit; local_ctl_load(cr, &new); return old; } static __always_inline struct ctlreg local_ctl_clear_bit(unsigned int cr, unsigned int bit) { struct ctlreg new, old; local_ctl_store(cr, &old); new = old; new.val &= ~(1UL << bit); local_ctl_load(cr, &new); return old; } struct lowcore; void system_ctlreg_lock(void); void system_ctlreg_unlock(void); void system_ctlreg_init_save_area(struct lowcore *lc); void system_ctlreg_modify(unsigned int cr, unsigned long data, int request); enum { CTLREG_SET_BIT, CTLREG_CLEAR_BIT, CTLREG_LOAD, }; static inline void system_ctl_set_bit(unsigned int cr, unsigned int bit) { system_ctlreg_modify(cr, bit, CTLREG_SET_BIT); } static inline void system_ctl_clear_bit(unsigned int cr, unsigned int bit) { system_ctlreg_modify(cr, bit, CTLREG_CLEAR_BIT); } static inline void system_ctl_load(unsigned int cr, struct ctlreg *reg) { system_ctlreg_modify(cr, reg->val, CTLREG_LOAD); } union ctlreg0 { unsigned long val; struct ctlreg reg; struct { unsigned long : 8; unsigned long tcx : 1; /* Transactional-Execution control */ unsigned long pifo : 1; /* Transactional-Execution Program- Interruption-Filtering Override */ unsigned long : 3; unsigned long ccc : 1; /* Cryptography counter control */ unsigned long pec : 1; /* PAI extension control */ unsigned long : 15; unsigned long wti : 1; /* Warning-track */ unsigned long : 4; unsigned long lap : 1; /* Low-address-protection control */ unsigned long : 4; unsigned long edat : 1; /* Enhanced-DAT-enablement control */ unsigned long : 2; unsigned long iep : 1; /* Instruction-Execution-Protection */ unsigned long : 1; unsigned long afp : 1; /* AFP-register control */ unsigned long vx : 1; /* Vector enablement control */ unsigned long : 7; unsigned long sssm : 1; /* Service signal subclass mask */ unsigned long : 9; }; }; union ctlreg2 { unsigned long val; struct ctlreg reg; struct { unsigned long : 33; unsigned long ducto : 25; unsigned long : 1; unsigned long gse : 1; unsigned long : 1; unsigned long tds : 1; unsigned long tdc : 2; }; }; union ctlreg5 { unsigned long val; struct ctlreg reg; struct { unsigned long : 33; unsigned long pasteo: 25; unsigned long : 6; }; }; union ctlreg15 { unsigned long val; struct ctlreg reg; struct { unsigned long lsea : 61; unsigned long : 3; }; }; #endif /* __ASSEMBLY__ */ #endif /* __ASM_S390_CTLREG_H */