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9c66cc5609
Instead of having only masks for specific bit locations within control registers, also define the bit numbers and use them to define the masks. The bit defines can be used to convert plain numbers to defines. Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
251 lines
7.7 KiB
C
251 lines
7.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_S390_CTLREG_H
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#define __ASM_S390_CTLREG_H
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#include <linux/bits.h>
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#define CR0_TRANSACTIONAL_EXECUTION_BIT (63 - 8)
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#define CR0_CLOCK_COMPARATOR_SIGN_BIT (63 - 10)
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#define CR0_CRYPTOGRAPHY_COUNTER_BIT (63 - 13)
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#define CR0_PAI_EXTENSION_BIT (63 - 14)
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#define CR0_CPUMF_EXTRACTION_AUTH_BIT (63 - 15)
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#define CR0_WARNING_TRACK_BIT (63 - 30)
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#define CR0_LOW_ADDRESS_PROTECTION_BIT (63 - 35)
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#define CR0_FETCH_PROTECTION_OVERRIDE_BIT (63 - 38)
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#define CR0_STORAGE_PROTECTION_OVERRIDE_BIT (63 - 39)
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#define CR0_EDAT_BIT (63 - 40)
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#define CR0_INSTRUCTION_EXEC_PROTECTION_BIT (63 - 43)
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#define CR0_VECTOR_BIT (63 - 46)
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#define CR0_MALFUNCTION_ALERT_SUBMASK_BIT (63 - 48)
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#define CR0_EMERGENCY_SIGNAL_SUBMASK_BIT (63 - 49)
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#define CR0_EXTERNAL_CALL_SUBMASK_BIT (63 - 50)
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#define CR0_CLOCK_COMPARATOR_SUBMASK_BIT (63 - 52)
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#define CR0_CPU_TIMER_SUBMASK_BIT (63 - 53)
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#define CR0_SERVICE_SIGNAL_SUBMASK_BIT (63 - 54)
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#define CR0_UNUSED_56_BIT (63 - 56)
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#define CR0_INTERRUPT_KEY_SUBMASK_BIT (63 - 57)
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#define CR0_MEASUREMENT_ALERT_SUBMASK_BIT (63 - 58)
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#define CR0_ETR_SUBMASK_BIT (63 - 59)
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#define CR0_IUCV_BIT (63 - 62)
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#define CR0_TRANSACTIONAL_EXECUTION BIT(CR0_TRANSACTIONAL_EXECUTION_BIT)
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#define CR0_CLOCK_COMPARATOR_SIGN BIT(CR0_CLOCK_COMPARATOR_SIGN_BIT)
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#define CR0_CRYPTOGRAPHY_COUNTER BIT(CR0_CRYPTOGRAPHY_COUNTER_BIT)
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#define CR0_PAI_EXTENSION BIT(CR0_PAI_EXTENSION_BIT)
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#define CR0_CPUMF_EXTRACTION_AUTH BIT(CR0_CPUMF_EXTRACTION_AUTH_BIT)
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#define CR0_WARNING_TRACK BIT(CR0_WARNING_TRACK_BIT)
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#define CR0_LOW_ADDRESS_PROTECTION BIT(CR0_LOW_ADDRESS_PROTECTION_BIT)
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#define CR0_FETCH_PROTECTION_OVERRIDE BIT(CR0_FETCH_PROTECTION_OVERRIDE_BIT)
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#define CR0_STORAGE_PROTECTION_OVERRIDE BIT(CR0_STORAGE_PROTECTION_OVERRIDE_BIT)
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#define CR0_EDAT BIT(CR0_EDAT_BIT)
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#define CR0_INSTRUCTION_EXEC_PROTECTION BIT(CR0_INSTRUCTION_EXEC_PROTECTION_BIT)
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#define CR0_VECTOR BIT(CR0_VECTOR_BIT)
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#define CR0_MALFUNCTION_ALERT_SUBMASK BIT(CR0_MALFUNCTION_ALERT_SUBMASK_BIT)
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#define CR0_EMERGENCY_SIGNAL_SUBMASK BIT(CR0_EMERGENCY_SIGNAL_SUBMASK_BIT)
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#define CR0_EXTERNAL_CALL_SUBMASK BIT(CR0_EXTERNAL_CALL_SUBMASK_BIT)
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#define CR0_CLOCK_COMPARATOR_SUBMASK BIT(CR0_CLOCK_COMPARATOR_SUBMASK_BIT)
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#define CR0_CPU_TIMER_SUBMASK BIT(CR0_CPU_TIMER_SUBMASK_BIT)
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#define CR0_SERVICE_SIGNAL_SUBMASK BIT(CR0_SERVICE_SIGNAL_SUBMASK_BIT)
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#define CR0_UNUSED_56 BIT(CR0_UNUSED_56_BIT)
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#define CR0_INTERRUPT_KEY_SUBMASK BIT(CR0_INTERRUPT_KEY_SUBMASK_BIT)
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#define CR0_MEASUREMENT_ALERT_SUBMASK BIT(CR0_MEASUREMENT_ALERT_SUBMASK_BIT)
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#define CR0_ETR_SUBMASK BIT(CR0_ETR_SUBMASK_BIT)
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#define CR0_IUCV BIT(CR0_IUCV_BIT)
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#define CR2_MIO_ADDRESSING_BIT (63 - 58)
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#define CR2_GUARDED_STORAGE_BIT (63 - 59)
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#define CR2_MIO_ADDRESSING BIT(CR2_MIO_ADDRESSING_BIT)
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#define CR2_GUARDED_STORAGE BIT(CR2_GUARDED_STORAGE_BIT)
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#define CR14_UNUSED_32_BIT (63 - 32)
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#define CR14_UNUSED_33_BIT (63 - 33)
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#define CR14_CHANNEL_REPORT_SUBMASK_BIT (63 - 35)
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#define CR14_RECOVERY_SUBMASK_BIT (63 - 36)
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#define CR14_DEGRADATION_SUBMASK_BIT (63 - 37)
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#define CR14_EXTERNAL_DAMAGE_SUBMASK_BIT (63 - 38)
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#define CR14_WARNING_SUBMASK_BIT (63 - 39)
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#define CR14_UNUSED_32 BIT(CR14_UNUSED_32_BIT)
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#define CR14_UNUSED_33 BIT(CR14_UNUSED_33_BIT)
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#define CR14_CHANNEL_REPORT_SUBMASK BIT(CR14_CHANNEL_REPORT_SUBMASK_BIT)
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#define CR14_RECOVERY_SUBMASK BIT(CR14_RECOVERY_SUBMASK_BIT)
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#define CR14_DEGRADATION_SUBMASK BIT(CR14_DEGRADATION_SUBMASK_BIT)
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#define CR14_EXTERNAL_DAMAGE_SUBMASK BIT(CR14_EXTERNAL_DAMAGE_SUBMASK_BIT)
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#define CR14_WARNING_SUBMASK BIT(CR14_WARNING_SUBMASK_BIT)
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#ifndef __ASSEMBLY__
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#include <linux/bug.h>
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struct ctlreg {
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unsigned long val;
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};
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#define __local_ctl_load(low, high, array) do { \
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struct addrtype { \
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char _[sizeof(array)]; \
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}; \
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int _high = high; \
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int _low = low; \
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int _esize; \
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\
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_esize = (_high - _low + 1) * sizeof(struct ctlreg); \
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BUILD_BUG_ON(sizeof(struct addrtype) != _esize); \
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typecheck(struct ctlreg, array[0]); \
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asm volatile( \
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" lctlg %[_low],%[_high],%[_arr]\n" \
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: \
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: [_arr] "Q" (*(struct addrtype *)(&array)), \
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[_low] "i" (low), [_high] "i" (high) \
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: "memory"); \
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} while (0)
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#define __local_ctl_store(low, high, array) do { \
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struct addrtype { \
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char _[sizeof(array)]; \
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}; \
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int _high = high; \
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int _low = low; \
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int _esize; \
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\
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_esize = (_high - _low + 1) * sizeof(struct ctlreg); \
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BUILD_BUG_ON(sizeof(struct addrtype) != _esize); \
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typecheck(struct ctlreg, array[0]); \
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asm volatile( \
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" stctg %[_low],%[_high],%[_arr]\n" \
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: [_arr] "=Q" (*(struct addrtype *)(&array)) \
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: [_low] "i" (low), [_high] "i" (high)); \
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} while (0)
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static __always_inline void local_ctl_load(unsigned int cr, struct ctlreg *reg)
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{
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asm volatile(
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" lctlg %[cr],%[cr],%[reg]\n"
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:
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: [reg] "Q" (*reg), [cr] "i" (cr)
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: "memory");
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}
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static __always_inline void local_ctl_store(unsigned int cr, struct ctlreg *reg)
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{
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asm volatile(
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" stctg %[cr],%[cr],%[reg]\n"
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: [reg] "=Q" (*reg)
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: [cr] "i" (cr));
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}
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static __always_inline void local_ctl_set_bit(unsigned int cr, unsigned int bit)
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{
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struct ctlreg reg;
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local_ctl_store(cr, ®);
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reg.val |= 1UL << bit;
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local_ctl_load(cr, ®);
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}
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static __always_inline void local_ctl_clear_bit(unsigned int cr, unsigned int bit)
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{
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struct ctlreg reg;
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local_ctl_store(cr, ®);
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reg.val &= ~(1UL << bit);
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local_ctl_load(cr, ®);
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}
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struct lowcore;
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void system_ctlreg_lock(void);
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void system_ctlreg_unlock(void);
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void system_ctlreg_init_save_area(struct lowcore *lc);
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void system_ctlreg_modify(unsigned int cr, unsigned long data, int request);
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enum {
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CTLREG_SET_BIT,
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CTLREG_CLEAR_BIT,
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CTLREG_LOAD,
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};
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static inline void system_ctl_set_bit(unsigned int cr, unsigned int bit)
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{
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system_ctlreg_modify(cr, bit, CTLREG_SET_BIT);
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}
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static inline void system_ctl_clear_bit(unsigned int cr, unsigned int bit)
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{
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system_ctlreg_modify(cr, bit, CTLREG_CLEAR_BIT);
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}
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static inline void system_ctl_load(unsigned int cr, struct ctlreg *reg)
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{
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system_ctlreg_modify(cr, reg->val, CTLREG_LOAD);
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}
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union ctlreg0 {
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unsigned long val;
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struct ctlreg reg;
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struct {
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unsigned long : 8;
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unsigned long tcx : 1; /* Transactional-Execution control */
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unsigned long pifo : 1; /* Transactional-Execution Program-
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Interruption-Filtering Override */
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unsigned long : 3;
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unsigned long ccc : 1; /* Cryptography counter control */
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unsigned long pec : 1; /* PAI extension control */
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unsigned long : 17;
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unsigned long : 3;
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unsigned long lap : 1; /* Low-address-protection control */
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unsigned long : 4;
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unsigned long edat : 1; /* Enhanced-DAT-enablement control */
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unsigned long : 2;
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unsigned long iep : 1; /* Instruction-Execution-Protection */
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unsigned long : 1;
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unsigned long afp : 1; /* AFP-register control */
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unsigned long vx : 1; /* Vector enablement control */
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unsigned long : 7;
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unsigned long sssm : 1; /* Service signal subclass mask */
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unsigned long : 9;
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};
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};
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union ctlreg2 {
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unsigned long val;
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struct ctlreg reg;
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struct {
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unsigned long : 33;
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unsigned long ducto : 25;
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unsigned long : 1;
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unsigned long gse : 1;
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unsigned long : 1;
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unsigned long tds : 1;
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unsigned long tdc : 2;
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};
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};
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union ctlreg5 {
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unsigned long val;
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struct ctlreg reg;
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struct {
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unsigned long : 33;
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unsigned long pasteo: 25;
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unsigned long : 6;
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};
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};
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union ctlreg15 {
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unsigned long val;
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struct ctlreg reg;
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struct {
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unsigned long lsea : 61;
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unsigned long : 3;
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};
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};
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_S390_CTLREG_H */
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