cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/include/asm/kvm_asm.h

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright IBM Corp. 2008
 *
 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
 */

#ifndef __POWERPC_KVM_ASM_H__

#define __POWERPC_KVM_ASM_H__

#ifdef __ASSEMBLY__
#ifdef CONFIG_64BIT

#define PPC_STD(sreg, offset, areg)  std sreg, (offset)(areg)

#define PPC_LD(treg, offset, areg)   ld treg, (offset)(areg)
#else

#define PPC_STD(sreg, offset, areg)  stw sreg, (offset+4)(areg)

#define PPC_LD(treg, offset, areg)   lwz treg, (offset+4)(areg)
#endif
#endif

/* IVPR must be 64KiB-aligned. */

#define VCPU_SIZE_ORDER 4

#define VCPU_SIZE_LOG   (VCPU_SIZE_ORDER + 12)

#define VCPU_SIZE_BYTES (1<<VCPU_SIZE_LOG)


#define BOOKE_INTERRUPT_CRITICAL 0

#define BOOKE_INTERRUPT_MACHINE_CHECK 1

#define BOOKE_INTERRUPT_DATA_STORAGE 2

#define BOOKE_INTERRUPT_INST_STORAGE 3

#define BOOKE_INTERRUPT_EXTERNAL 4

#define BOOKE_INTERRUPT_ALIGNMENT 5

#define BOOKE_INTERRUPT_PROGRAM 6

#define BOOKE_INTERRUPT_FP_UNAVAIL 7

#define BOOKE_INTERRUPT_SYSCALL 8

#define BOOKE_INTERRUPT_AP_UNAVAIL 9

#define BOOKE_INTERRUPT_DECREMENTER 10

#define BOOKE_INTERRUPT_FIT 11

#define BOOKE_INTERRUPT_WATCHDOG 12

#define BOOKE_INTERRUPT_DTLB_MISS 13

#define BOOKE_INTERRUPT_ITLB_MISS 14

#define BOOKE_INTERRUPT_DEBUG 15

/* E500 */
#ifdef CONFIG_SPE_POSSIBLE

#define BOOKE_INTERRUPT_SPE_UNAVAIL 32

#define BOOKE_INTERRUPT_SPE_FP_DATA 33

#define BOOKE_INTERRUPT_SPE_FP_ROUND 34
#endif

#ifdef CONFIG_PPC_E500MC

#define BOOKE_INTERRUPT_ALTIVEC_UNAVAIL 32

#define BOOKE_INTERRUPT_ALTIVEC_ASSIST 33
#endif


#define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35

#define BOOKE_INTERRUPT_DOORBELL 36

#define BOOKE_INTERRUPT_DOORBELL_CRITICAL 37

/* booke_hv */

#define BOOKE_INTERRUPT_GUEST_DBELL 38

#define BOOKE_INTERRUPT_GUEST_DBELL_CRIT 39

#define BOOKE_INTERRUPT_HV_SYSCALL 40

#define BOOKE_INTERRUPT_HV_PRIV 41

#define BOOKE_INTERRUPT_LRAT_ERROR 42

/* book3s */


#define BOOK3S_INTERRUPT_SYSTEM_RESET	0x100

#define BOOK3S_INTERRUPT_MACHINE_CHECK	0x200

#define BOOK3S_INTERRUPT_DATA_STORAGE	0x300

#define BOOK3S_INTERRUPT_DATA_SEGMENT	0x380

#define BOOK3S_INTERRUPT_INST_STORAGE	0x400

#define BOOK3S_INTERRUPT_INST_SEGMENT	0x480

#define BOOK3S_INTERRUPT_EXTERNAL	0x500

#define BOOK3S_INTERRUPT_EXTERNAL_LEVEL	0x501

#define BOOK3S_INTERRUPT_EXTERNAL_HV	0x502

#define BOOK3S_INTERRUPT_ALIGNMENT	0x600

#define BOOK3S_INTERRUPT_PROGRAM	0x700

#define BOOK3S_INTERRUPT_FP_UNAVAIL	0x800

#define BOOK3S_INTERRUPT_DECREMENTER	0x900

#define BOOK3S_INTERRUPT_HV_DECREMENTER	0x980

#define BOOK3S_INTERRUPT_DOORBELL	0xa00

#define BOOK3S_INTERRUPT_SYSCALL	0xc00

#define BOOK3S_INTERRUPT_TRACE		0xd00

#define BOOK3S_INTERRUPT_H_DATA_STORAGE	0xe00

#define BOOK3S_INTERRUPT_H_INST_STORAGE	0xe20

#define BOOK3S_INTERRUPT_H_EMUL_ASSIST	0xe40

#define BOOK3S_INTERRUPT_HMI		0xe60

#define BOOK3S_INTERRUPT_H_DOORBELL	0xe80

#define BOOK3S_INTERRUPT_H_VIRT		0xea0

#define BOOK3S_INTERRUPT_PERFMON	0xf00

#define BOOK3S_INTERRUPT_ALTIVEC	0xf20

#define BOOK3S_INTERRUPT_VSX		0xf40

#define BOOK3S_INTERRUPT_FAC_UNAVAIL	0xf60

#define BOOK3S_INTERRUPT_H_FAC_UNAVAIL	0xf80

/* book3s_hv */

/*
 * Special trap used to indicate to host that this is a
 * passthrough interrupt that could not be handled
 * completely in the guest.
 */

#define BOOK3S_INTERRUPT_HV_RM_HARD	0x5555


#define BOOK3S_IRQPRIO_SYSTEM_RESET		0

#define BOOK3S_IRQPRIO_DATA_SEGMENT		1

#define BOOK3S_IRQPRIO_INST_SEGMENT		2

#define BOOK3S_IRQPRIO_DATA_STORAGE		3

#define BOOK3S_IRQPRIO_INST_STORAGE		4

#define BOOK3S_IRQPRIO_ALIGNMENT		5

#define BOOK3S_IRQPRIO_PROGRAM			6

#define BOOK3S_IRQPRIO_FP_UNAVAIL		7

#define BOOK3S_IRQPRIO_ALTIVEC			8

#define BOOK3S_IRQPRIO_VSX			9

#define BOOK3S_IRQPRIO_FAC_UNAVAIL		10

#define BOOK3S_IRQPRIO_SYSCALL			11

#define BOOK3S_IRQPRIO_MACHINE_CHECK		12

#define BOOK3S_IRQPRIO_DEBUG			13

#define BOOK3S_IRQPRIO_EXTERNAL			14

#define BOOK3S_IRQPRIO_DECREMENTER		15

#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR	16

#define BOOK3S_IRQPRIO_EXTERNAL_LEVEL		17

#define BOOK3S_IRQPRIO_MAX			18


#define BOOK3S_HFLAG_DCBZ32			0x1

#define BOOK3S_HFLAG_SLB			0x2

#define BOOK3S_HFLAG_PAIRED_SINGLE		0x4

#define BOOK3S_HFLAG_NATIVE_PS			0x8

#define BOOK3S_HFLAG_MULTI_PGSIZE		0x10

#define BOOK3S_HFLAG_NEW_TLBIE			0x20

#define BOOK3S_HFLAG_SPLIT_HACK			0x40


#define RESUME_FLAG_NV          (1<<0)  
/* Reload guest nonvolatile state? */

#define RESUME_FLAG_HOST        (1<<1)  
/* Resume host? */

#define RESUME_FLAG_ARCH1	(1<<2)

#define RESUME_FLAG_ARCH2	(1<<3)


#define RESUME_GUEST            0

#define RESUME_GUEST_NV         RESUME_FLAG_NV

#define RESUME_HOST             RESUME_FLAG_HOST

#define RESUME_HOST_NV          (RESUME_FLAG_HOST|RESUME_FLAG_NV)


#define KVM_GUEST_MODE_NONE	0

#define KVM_GUEST_MODE_GUEST	1

#define KVM_GUEST_MODE_SKIP	2

#define KVM_GUEST_MODE_GUEST_HV	3

#define KVM_GUEST_MODE_HOST_HV	4


#define KVM_INST_FETCH_FAILED	-1

#endif /* __POWERPC_KVM_ASM_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Alexander Graf19038.93%933.33%
Hollis Blanchard12024.59%27.41%
Varun Sethi5110.45%13.70%
Paul Mackerras489.84%725.93%
Mihai Caraman326.56%311.11%
Scott Wood255.12%13.70%
Suresh E. Warrier102.05%13.70%
Mahesh Salgaonkar40.82%13.70%
Michael Ellerman40.82%13.70%
Benjamin Herrenschmidt40.82%13.70%
Total488100.00%27100.00%
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