| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Copyright IBM Corp. 1999, 2009 | |
| * | |
| * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> | |
| */ | |
| #ifndef __ASM_S390_CTLREG_H | |
| #define __ASM_S390_CTLREG_H | |
| #include <linux/bits.h> | |
| #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 <linux/bug.h> | |
| 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 */ |