Release 4.14 arch/powerpc/kvm/book3s.c

Directory: arch/powerpc/kvm
/*
 * Copyright (C) 2009. SUSE Linux Products GmbH. All rights reserved.
 *
 * Authors:
 *    Alexander Graf <agraf@suse.de>
 *    Kevin Wolf <mail@kevin-wolf.de>
 *
 * Description:
 * This file is derived from arch/powerpc/kvm/44x.c,
 * by Hollis Blanchard <hollisb@us.ibm.com>.
 *
 * 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.
 */

#include <linux/kvm_host.h>
#include <linux/err.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/miscdevice.h>
#include <linux/gfp.h>
#include <linux/sched.h>
#include <linux/vmalloc.h>
#include <linux/highmem.h>

#include <asm/reg.h>
#include <asm/cputable.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <linux/uaccess.h>
#include <asm/io.h>
#include <asm/kvm_ppc.h>
#include <asm/kvm_book3s.h>
#include <asm/mmu_context.h>
#include <asm/page.h>
#include <asm/xive.h>

#include "book3s.h"
#include "trace.h"


#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU

/* #define EXIT_DEBUG */


struct kvm_stats_debugfs_item debugfs_entries[] = {
	{ "exits",       VCPU_STAT(sum_exits) },
	{ "mmio",        VCPU_STAT(mmio_exits) },
	{ "sig",         VCPU_STAT(signal_exits) },
	{ "sysc",        VCPU_STAT(syscall_exits) },
	{ "inst_emu",    VCPU_STAT(emulated_inst_exits) },
	{ "dec",         VCPU_STAT(dec_exits) },
	{ "ext_intr",    VCPU_STAT(ext_intr_exits) },
	{ "queue_intr",  VCPU_STAT(queue_intr) },
	{ "halt_poll_success_ns",	VCPU_STAT(halt_poll_success_ns) },
	{ "halt_poll_fail_ns",		VCPU_STAT(halt_poll_fail_ns) },
	{ "halt_wait_ns",		VCPU_STAT(halt_wait_ns) },
	{ "halt_successful_poll", VCPU_STAT(halt_successful_poll), },
	{ "halt_attempted_poll", VCPU_STAT(halt_attempted_poll), },
	{ "halt_successful_wait",	VCPU_STAT(halt_successful_wait) },
	{ "halt_poll_invalid", VCPU_STAT(halt_poll_invalid) },
	{ "halt_wakeup", VCPU_STAT(halt_wakeup) },
	{ "pf_storage",  VCPU_STAT(pf_storage) },
	{ "sp_storage",  VCPU_STAT(sp_storage) },
	{ "pf_instruc",  VCPU_STAT(pf_instruc) },
	{ "sp_instruc",  VCPU_STAT(sp_instruc) },
	{ "ld",          VCPU_STAT(ld) },
	{ "ld_slow",     VCPU_STAT(ld_slow) },
	{ "st",          VCPU_STAT(st) },
	{ "st_slow",     VCPU_STAT(st_slow) },
	{ "pthru_all",       VCPU_STAT(pthru_all) },
	{ "pthru_host",      VCPU_STAT(pthru_host) },
	{ "pthru_bad_aff",   VCPU_STAT(pthru_bad_aff) },
	{ NULL }
};



void kvmppc_unfixup_split_real(struct kvm_vcpu *vcpu)
{
	if (vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) {
		ulong pc = kvmppc_get_pc(vcpu);
		if ((pc & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS)
			kvmppc_set_pc(vcpu, pc & ~SPLIT_HACK_MASK);
		vcpu->arch.hflags &= ~BOOK3S_HFLAG_SPLIT_HACK;
	}
}
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Alexander Graf 59 100.00% 1 100.00%
Total 59 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(kvmppc_unfixup_split_real);



static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
{
	if (!is_kvmppc_hv_enabled(vcpu->kvm))
		return to_book3s(vcpu)->hior;
	return 0;
}

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Total 34 100.00% 3 100.00%



static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
			unsigned long pending_now, unsigned long old_pending)
{
	if (is_kvmppc_hv_enabled(vcpu->kvm))
		return;
	if (pending_now)
		kvmppc_set_int_pending(vcpu, 1);
	else if (old_pending)
		kvmppc_set_int_pending(vcpu, 0);
}

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Aneesh Kumar K.V 45 84.91% 3 75.00%
Alexander Graf 8 15.09% 1 25.00%
Total 53 100.00% 4 100.00%



static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
{
	ulong crit_raw;
	ulong crit_r1;
	bool crit;

	if (is_kvmppc_hv_enabled(vcpu->kvm))
		return false;

	crit_raw = kvmppc_get_critical(vcpu);
	crit_r1 = kvmppc_get_gpr(vcpu, 1);

	/* Truncate crit indicators in 32 bit mode */
	if (!(kvmppc_get_msr(vcpu) & MSR_SF)) {
		crit_raw &= 0xffffffff;
		crit_r1 &= 0xffffffff;
	}

	/* Critical section when crit == r1 */
	crit = (crit_raw == crit_r1);
	/* ... and we're in supervisor mode */
	crit = crit && !(kvmppc_get_msr(vcpu) & MSR_PR);

	return crit;
}

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Aneesh Kumar K.V 90 90.91% 3 75.00%
Alexander Graf 9 9.09% 1 25.00%
Total 99 100.00% 4 100.00%



void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
{
	kvmppc_unfixup_split_real(vcpu);
	kvmppc_set_srr0(vcpu, kvmppc_get_pc(vcpu));
	kvmppc_set_srr1(vcpu, kvmppc_get_msr(vcpu) | flags);
	kvmppc_set_pc(vcpu, kvmppc_interrupt_offset(vcpu) + vec);
	vcpu->arch.mmu.reset_msr(vcpu);
}

Contributors
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Alexander Graf 49 74.24% 6 85.71%
Paul Mackerras 17 25.76% 1 14.29%
Total 66 100.00% 7 100.00%



static int kvmppc_book3s_vec2irqprio(unsigned int vec)
{
	unsigned int prio;

	switch (vec) {
	case 0x100: prio = BOOK3S_IRQPRIO_SYSTEM_RESET;		break;
	case 0x200: prio = BOOK3S_IRQPRIO_MACHINE_CHECK;	break;
	case 0x300: prio = BOOK3S_IRQPRIO_DATA_STORAGE;		break;
	case 0x380: prio = BOOK3S_IRQPRIO_DATA_SEGMENT;		break;
	case 0x400: prio = BOOK3S_IRQPRIO_INST_STORAGE;		break;
	case 0x480: prio = BOOK3S_IRQPRIO_INST_SEGMENT;		break;
	case 0x500: prio = BOOK3S_IRQPRIO_EXTERNAL;		break;
	case 0x501: prio = BOOK3S_IRQPRIO_EXTERNAL_LEVEL;	break;
	case 0x600: prio = BOOK3S_IRQPRIO_ALIGNMENT;		break;
	case 0x700: prio = BOOK3S_IRQPRIO_PROGRAM;		break;
	case 0x800: prio = BOOK3S_IRQPRIO_FP_UNAVAIL;		break;
	case 0x900: prio = BOOK3S_IRQPRIO_DECREMENTER;		break;
	case 0xc00: prio = BOOK3S_IRQPRIO_SYSCALL;		break;
	case 0xd00: prio = BOOK3S_IRQPRIO_DEBUG;		break;
	case 0xf20: prio = BOOK3S_IRQPRIO_ALTIVEC;		break;
	case 0xf40: prio = BOOK3S_IRQPRIO_VSX;			break;
	case 0xf60: prio = BOOK3S_IRQPRIO_FAC_UNAVAIL;		break;
	default:    prio = BOOK3S_IRQPRIO_MAX;			break;
	}

	return prio;
}

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Paul Mackerras 145 87.88% 1 25.00%
Alexander Graf 20 12.12% 3 75.00%
Total 165 100.00% 4 100.00%



void kvmppc_book3s_dequeue_irqprio(struct kvm_vcpu *vcpu,
					  unsigned int vec)
{
	unsigned long old_pending = vcpu->arch.pending_exceptions;

	clear_bit(kvmppc_book3s_vec2irqprio(vec),
		  &vcpu->arch.pending_exceptions);

	kvmppc_update_int_pending(vcpu, vcpu->arch.pending_exceptions,
				  old_pending);
}

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Alexander Graf 32 61.54% 2 66.67%
Paul Mackerras 20 38.46% 1 33.33%
Total 52 100.00% 3 100.00%



void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)
{
	vcpu->stat.queue_intr++;

	set_bit(kvmppc_book3s_vec2irqprio(vec),
		&vcpu->arch.pending_exceptions);
#ifdef EXIT_DEBUG
	printk(KERN_INFO "Queueing interrupt %x\n", vec);
#endif
}
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Paul Mackerras 37 75.51% 1 33.33%
Alexander Graf 12 24.49% 2 66.67%
Total 49 100.00% 3 100.00%


EXPORT_SYMBOL_GPL(kvmppc_book3s_queue_irqprio);



void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags)
{
	/* might as well deliver this straight away */
	kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_PROGRAM, flags);
}
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Paul Mackerras 16 69.57% 2 66.67%
Alexander Graf 7 30.43% 1 33.33%
Total 23 100.00% 3 100.00%


EXPORT_SYMBOL_GPL(kvmppc_core_queue_program);



void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu)
{
	/* might as well deliver this straight away */
	kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, 0);
}

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Paul Mackerras 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu)
{
	/* might as well deliver this straight away */
	kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_ALTIVEC, 0);
}

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Paul Mackerras 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu)
{
	/* might as well deliver this straight away */
	kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_VSX, 0);
}

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void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu)
{
	kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);
}
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Alexander Graf 8 47.06% 1 50.00%
Total 17 100.00% 2 100.00%


EXPORT_SYMBOL_GPL(kvmppc_core_queue_dec);



int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu)
{
	return test_bit(BOOK3S_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions);
}
Contributors
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Paul Mackerras 17 73.91% 1 33.33%
Alexander Graf 6 26.09% 2 66.67%
Total 23 100.00% 3 100.00%


EXPORT_SYMBOL_GPL(kvmppc_core_pending_dec);



void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu)
{
	kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);
}
Contributors
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Paul Mackerras 11 64.71% 1 33.33%
Alexander Graf 6 35.29% 2 66.67%
Total 17 100.00% 3 100.00%


EXPORT_SYMBOL_GPL(kvmppc_core_dequeue_dec);



void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
                                struct kvm_interrupt *irq)
{
	unsigned int vec = BOOK3S_INTERRUPT_EXTERNAL;

	if (irq->irq == KVM_INTERRUPT_SET_LEVEL)
		vec = BOOK3S_INTERRUPT_EXTERNAL_LEVEL;

	kvmppc_book3s_queue_irqprio(vcpu, vec);
}

Contributors
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Paul Mackerras 25 62.50% 1 25.00%
Alexander Graf 15 37.50% 3 75.00%
Total 40 100.00% 4 100.00%



void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu)
{
	kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL);
	kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_EXTERNAL_LEVEL);
}

Contributors
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Paul Mackerras 13 54.17% 1 33.33%
Alexander Graf 11 45.83% 2 66.67%
Total 24 100.00% 3 100.00%



void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu, ulong dar,
				    ulong flags)
{
	kvmppc_set_dar(vcpu, dar);
	kvmppc_set_dsisr(vcpu, flags);
	kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE);
}
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Alexander Graf 37 100.00% 1 100.00%
Total 37 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(kvmppc_core_queue_data_storage);	
/* used by kvm_hv */



void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu, ulong flags)
{
	u64 msr = kvmppc_get_msr(vcpu);
	msr &= ~(SRR1_ISI_NOPT | SRR1_ISI_N_OR_G | SRR1_ISI_PROT);
	msr |= flags & (SRR1_ISI_NOPT | SRR1_ISI_N_OR_G | SRR1_ISI_PROT);
	kvmppc_set_msr_fast(vcpu, msr);
	kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_INST_STORAGE);
}

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Alexander Graf 58 100.00% 1 100.00%
Total 58 100.00% 1 100.00%



static int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu,
					 unsigned int priority)
{
	int deliver = 1;
	int vec = 0;
	bool crit = kvmppc_critical_section(vcpu);

	switch (priority) {
	case BOOK3S_IRQPRIO_DECREMENTER:
		deliver = (kvmppc_get_msr(vcpu) & MSR_EE) && !crit;
		vec = BOOK3S_INTERRUPT_DECREMENTER;
		break;
	case BOOK3S_IRQPRIO_EXTERNAL:
	case BOOK3S_IRQPRIO_EXTERNAL_LEVEL:
		deliver = (kvmppc_get_msr(vcpu) & MSR_EE) && !crit;
		vec = BOOK3S_INTERRUPT_EXTERNAL;
		break;
	case BOOK3S_IRQPRIO_SYSTEM_RESET:
		vec = BOOK3S_INTERRUPT_SYSTEM_RESET;
		break;
	case BOOK3S_IRQPRIO_MACHINE_CHECK:
		vec = BOOK3S_INTERRUPT_MACHINE_CHECK;
		break;
	case BOOK3S_IRQPRIO_DATA_STORAGE:
		vec = BOOK3S_INTERRUPT_DATA_STORAGE;
		break;
	case BOOK3S_IRQPRIO_INST_STORAGE:
		vec = BOOK3S_INTERRUPT_INST_STORAGE;
		break;
	case BOOK3S_IRQPRIO_DATA_SEGMENT:
		vec = BOOK3S_INTERRUPT_DATA_SEGMENT;
		break;
	case BOOK3S_IRQPRIO_INST_SEGMENT:
		vec = BOOK3S_INTERRUPT_INST_SEGMENT;
		break;
	case BOOK3S_IRQPRIO_ALIGNMENT:
		vec = BOOK3S_INTERRUPT_ALIGNMENT;
		break;
	case BOOK3S_IRQPRIO_PROGRAM:
		vec = BOOK3S_INTERRUPT_PROGRAM;
		break;
	case BOOK3S_IRQPRIO_VSX:
		vec = BOOK3S_INTERRUPT_VSX;
		break;
	case BOOK3S_IRQPRIO_ALTIVEC:
		vec = BOOK3S_INTERRUPT_ALTIVEC;
		break;
	case BOOK3S_IRQPRIO_FP_UNAVAIL:
		vec = BOOK3S_INTERRUPT_FP_UNAVAIL;
		break;
	case BOOK3S_IRQPRIO_SYSCALL:
		vec = BOOK3S_INTERRUPT_SYSCALL;
		break;
	case BOOK3S_IRQPRIO_DEBUG:
		vec = BOOK3S_INTERRUPT_TRACE;
		break;
	case BOOK3S_IRQPRIO_PERFORMANCE_MONITOR:
		vec = BOOK3S_INTERRUPT_PERFMON;
		break;
	case BOOK3S_IRQPRIO_FAC_UNAVAIL:
		vec = BOOK3S_INTERRUPT_FAC_UNAVAIL;
		break;
	default:
		deliver = 0;
		printk(KERN_ERR "KVM: Unknown interrupt: 0x%x\n", priority);
		break;
	}

#if 0
	printk(KERN_INFO "Deliver interrupt 0x%x? %x\n", vec, deliver);
#endif

	if (deliver)
		kvmppc_inject_interrupt(vcpu, vec, 0);

	return deliver;
}

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Paul Mackerras 130 53.72% 2 20.00%
Alexander Graf 111 45.87% 7 70.00%
Thomas Huth 1 0.41% 1 10.00%
Total 242 100.00% 10 100.00%

/*
 * This function determines if an irqprio should be cleared once issued.
 */


static bool clear_irqprio(struct kvm_vcpu *vcpu, unsigned int priority)
{
	switch (priority) {
		case BOOK3S_IRQPRIO_DECREMENTER:
			/* DEC interrupts get cleared by mtdec */
			return false;
		case BOOK3S_IRQPRIO_EXTERNAL_LEVEL:
			/* External interrupts get cleared by userspace */
			return false;
	}

	return true;
}

Contributors
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Paul Mackerras 28 73.68% 1 50.00%
Alexander Graf 10 26.32% 1 50.00%
Total 38 100.00% 2 100.00%



int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
{
	unsigned long *pending = &vcpu->arch.pending_exceptions;
	unsigned long old_pending = vcpu->arch.pending_exceptions;
	unsigned int priority;

#ifdef EXIT_DEBUG
	if (vcpu->arch.pending_exceptions)
		printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions);
#endif
	priority = __ffs(*pending);
	while (priority < BOOK3S_IRQPRIO_MAX) {
		if (kvmppc_book3s_irqprio_deliver(vcpu, priority) &&
		    clear_irqprio(vcpu, priority)) {
			clear_bit(priority, &vcpu->arch.pending_exceptions);
			break;
		}

		priority = find_next_bit(pending,
					 BITS_PER_BYTE * sizeof(*pending),
					 priority + 1);
	}

	/* Tell the guest about our interrupt status */
	kvmppc_update_int_pending(vcpu, *pending, old_pending);

	return 0;
}
Contributors
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Paul Mackerras 92 65.25% 1 16.67%
Alexander Graf 48 34.04% 4 66.67%
Scott Wood 1 0.71% 1 16.67%
Total 141 100.00% 6 100.00%


EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter);



kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
			bool *writable)
{
	ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM;
	gfn_t gfn = gpa >> PAGE_SHIFT;

	if (!(kvmppc_get_msr(vcpu) & MSR_SF))
		mp_pa = (uint32_t)mp_pa;

	/* Magic page override */
	gpa &= ~0xFFFULL;
	if (unlikely(mp_pa) && unlikely((gpa & KVM_PAM) == mp_pa)) {
		ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
		kvm_pfn_t pfn;

		pfn = (kvm_pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
		get_page(pfn_to_page(pfn));
		if (writable)
			*writable = true;
		return pfn;
	}

	return gfn_to_pfn_prot(vcpu->kvm, gfn, writing, writable);
}
Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 89 58.55% 2 22.22%
Alexander Graf 44 28.95% 5 55.56%
Benjamin Herrenschmidt 16 10.53% 1 11.11%
Dan J Williams 3 1.97% 1 11.11%
Total 152 100.00% 9 100.00%


EXPORT_SYMBOL_GPL(kvmppc_gpa_to_pfn);



int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid,
		 enum xlate_readwrite xlrw, struct kvmppc_pte *pte)
{
	bool data = (xlid == XLATE_DATA);
	bool iswrite = (xlrw == XLATE_WRITE);
	int relocated = (kvmppc_get_msr(vcpu) & (data ? MSR_DR : MSR_IR));
	int r;

	if (relocated) {
		r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data, iswrite);
	} else {
		pte->eaddr = eaddr;
		pte->raddr = eaddr & KVM_PAM;
		pte->vpage = VSID_REAL | eaddr >> 12;
		pte->may_read = true;
		pte->may_write = true;
		pte->may_execute = true;
		r = 0;

		if ((kvmppc_get_msr(vcpu) & (MSR_IR | MSR_DR)) == MSR_DR &&
		    !data) {
			if ((vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) &&
			    ((eaddr & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS))
			pte->raddr &= ~SPLIT_HACK_MASK;
		}
	}

	return r;
}

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Alexander Graf 125 64.10% 7 77.78%
Paul Mackerras 70 35.90% 2 22.22%
Total 195 100.00% 9 100.00%



int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_type type,
					 u32 *inst)
{
	ulong pc = kvmppc_get_pc(vcpu);
	int r;

	if (type == INST_SC)
		pc -= 4;

	r = kvmppc_ld(vcpu, &pc, sizeof(u32), inst, false);
	if (r == EMULATE_DONE)
		return r;
	else
		return EMULATE_AGAIN;
}
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Mihai Caraman 71 100.00% 1 100.00%
Total 71 100.00% 1 100.00%


EXPORT_SYMBOL_GPL(kvmppc_load_last_inst);



int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
{
	return 0;
}

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Alexander Graf 11 84.62% 1 50.00%
Paul Mackerras 2 15.38% 1 50.00%
Total 13 100.00% 2 100.00%



int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu)
{
	return 0;
}

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Bharat Bhushan 13 100.00% 1 100.00%
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void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu)
{
}

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int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
				  struct kvm_sregs *sregs)
{
	return vcpu->kvm->arch.kvm_ops->get_sregs(vcpu, sregs);
}

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Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 31 100.00% 2 100.00%
Total 31 100.00% 2 100.00%



int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
				  struct kvm_sregs *sregs)
{
	return vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 31 100.00% 2 100.00%
Total 31 100.00% 2 100.00%



int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
	int i;

	regs->pc = kvmppc_get_pc(vcpu);
	regs->cr = kvmppc_get_cr(vcpu);
	regs->ctr = kvmppc_get_ctr(vcpu);
	regs->lr = kvmppc_get_lr(vcpu);
	regs->xer = kvmppc_get_xer(vcpu);
	regs->msr = kvmppc_get_msr(vcpu);
	regs->srr0 = kvmppc_get_srr0(vcpu);
	regs->srr1 = kvmppc_get_srr1(vcpu);
	regs->pid = vcpu->arch.pid;
	regs->sprg0 = kvmppc_get_sprg0(vcpu);
	regs->sprg1 = kvmppc_get_sprg1(vcpu);
	regs->sprg2 = kvmppc_get_sprg2(vcpu);
	regs->sprg3 = kvmppc_get_sprg3(vcpu);
	regs->sprg4 = kvmppc_get_sprg4(vcpu);
	regs->sprg5 = kvmppc_get_sprg5(vcpu);
	regs->sprg6 = kvmppc_get_sprg6(vcpu);
	regs->sprg7 = kvmppc_get_sprg7(vcpu);

	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
		regs->gpr[i] = kvmppc_get_gpr(vcpu, i);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 132 63.77% 1 20.00%
Alexander Graf 75 36.23% 4 80.00%
Total 207 100.00% 5 100.00%



int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
	int i;

	kvmppc_set_pc(vcpu, regs->pc);
	kvmppc_set_cr(vcpu, regs->cr);
	kvmppc_set_ctr(vcpu, regs->ctr);
	kvmppc_set_lr(vcpu, regs->lr);
	kvmppc_set_xer(vcpu, regs->xer);
	kvmppc_set_msr(vcpu, regs->msr);
	kvmppc_set_srr0(vcpu, regs->srr0);
	kvmppc_set_srr1(vcpu, regs->srr1);
	kvmppc_set_sprg0(vcpu, regs->sprg0);
	kvmppc_set_sprg1(vcpu, regs->sprg1);
	kvmppc_set_sprg2(vcpu, regs->sprg2);
	kvmppc_set_sprg3(vcpu, regs->sprg3);
	kvmppc_set_sprg4(vcpu, regs->sprg4);
	kvmppc_set_sprg5(vcpu, regs->sprg5);
	kvmppc_set_sprg6(vcpu, regs->sprg6);
	kvmppc_set_sprg7(vcpu, regs->sprg7);

	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
		kvmppc_set_gpr(vcpu, i, regs->gpr[i]);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Alexander Graf 103 52.28% 6 75.00%
Paul Mackerras 94 47.72% 2 25.00%
Total 197 100.00% 8 100.00%



int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
	return -ENOTSUPP;
}

Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 12 63.16% 1 33.33%
Alexander Graf 7 36.84% 2 66.67%
Total 19 100.00% 3 100.00%



int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
	return -ENOTSUPP;
}

Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 15 78.95% 1 33.33%
Alexander Graf 4 21.05% 2 66.67%
Total 19 100.00% 3 100.00%



int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id,
			union kvmppc_one_reg *val)
{
	int r = 0;
	long int i;

	r = vcpu->kvm->arch.kvm_ops->get_one_reg(vcpu, id, val);
	if (r == -EINVAL) {
		r = 0;
		switch (id) {
		case KVM_REG_PPC_DAR:
			*val = get_reg_val(id, kvmppc_get_dar(vcpu));
			break;
		case KVM_REG_PPC_DSISR:
			*val = get_reg_val(id, kvmppc_get_dsisr(vcpu));
			break;
		case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
			i = id - KVM_REG_PPC_FPR0;
			*val = get_reg_val(id, VCPU_FPR(vcpu, i));
			break;
		case KVM_REG_PPC_FPSCR:
			*val = get_reg_val(id, vcpu->arch.fp.fpscr);
			break;
#ifdef CONFIG_VSX
		case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
			if (cpu_has_feature(CPU_FTR_VSX)) {
				i = id - KVM_REG_PPC_VSR0;
				val->vsxval[0] = vcpu->arch.fp.fpr[i][0];
				val->vsxval[1] = vcpu->arch.fp.fpr[i][1];
			} else {
				r = -ENXIO;
			}
			break;
#endif /* CONFIG_VSX */
		case KVM_REG_PPC_DEBUG_INST:
			*val = get_reg_val(id, INS_TW);
			break;
#ifdef CONFIG_KVM_XICS
		case KVM_REG_PPC_ICP_STATE:
			if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) {
				r = -ENXIO;
				break;
			}
			if (xive_enabled())
				*val = get_reg_val(id, kvmppc_xive_get_icp(vcpu));
			else
				*val = get_reg_val(id, kvmppc_xics_get_icp(vcpu));
			break;
#endif /* CONFIG_KVM_XICS */
		case KVM_REG_PPC_FSCR:
			*val = get_reg_val(id, vcpu->arch.fscr);
			break;
		case KVM_REG_PPC_TAR:
			*val = get_reg_val(id, vcpu->arch.tar);
			break;
		case KVM_REG_PPC_EBBHR:
			*val = get_reg_val(id, vcpu->arch.ebbhr);
			break;
		case KVM_REG_PPC_EBBRR:
			*val = get_reg_val(id, vcpu->arch.ebbrr);
			break;
		case KVM_REG_PPC_BESCR:
			*val = get_reg_val(id, vcpu->arch.bescr);
			break;
		case KVM_REG_PPC_IC:
			*val = get_reg_val(id, vcpu->arch.ic);
			break;
		default:
			r = -EINVAL;
			break;
		}
	}

	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 240 57.01% 4 26.67%
Alexander Graf 91 21.62% 4 26.67%
Mihai Caraman 29 6.89% 1 6.67%
Benjamin Herrenschmidt 26 6.18% 1 6.67%
Aneesh Kumar K.V 26 6.18% 4 26.67%
Bharat Bhushan 9 2.14% 1 6.67%
Total 421 100.00% 15 100.00%



int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id,
			union kvmppc_one_reg *val)
{
	int r = 0;
	long int i;

	r = vcpu->kvm->arch.kvm_ops->set_one_reg(vcpu, id, val);
	if (r == -EINVAL) {
		r = 0;
		switch (id) {
		case KVM_REG_PPC_DAR:
			kvmppc_set_dar(vcpu, set_reg_val(id, *val));
			break;
		case KVM_REG_PPC_DSISR:
			kvmppc_set_dsisr(vcpu, set_reg_val(id, *val));
			break;
		case KVM_REG_PPC_FPR0 ... KVM_REG_PPC_FPR31:
			i = id - KVM_REG_PPC_FPR0;
			VCPU_FPR(vcpu, i) = set_reg_val(id, *val);
			break;
		case KVM_REG_PPC_FPSCR:
			vcpu->arch.fp.fpscr = set_reg_val(id, *val);
			break;
#ifdef CONFIG_VSX
		case KVM_REG_PPC_VSR0 ... KVM_REG_PPC_VSR31:
			if (cpu_has_feature(CPU_FTR_VSX)) {
				i = id - KVM_REG_PPC_VSR0;
				vcpu->arch.fp.fpr[i][0] = val->vsxval[0];
				vcpu->arch.fp.fpr[i][1] = val->vsxval[1];
			} else {
				r = -ENXIO;
			}
			break;
#endif /* CONFIG_VSX */
#ifdef CONFIG_KVM_XICS
		case KVM_REG_PPC_ICP_STATE:
			if (!vcpu->arch.icp && !vcpu->arch.xive_vcpu) {
				r = -ENXIO;
				break;
			}
			if (xive_enabled())
				r = kvmppc_xive_set_icp(vcpu, set_reg_val(id, *val));
			else
				r = kvmppc_xics_set_icp(vcpu, set_reg_val(id, *val));
			break;
#endif /* CONFIG_KVM_XICS */
		case KVM_REG_PPC_FSCR:
			vcpu->arch.fscr = set_reg_val(id, *val);
			break;
		case KVM_REG_PPC_TAR:
			vcpu->arch.tar = set_reg_val(id, *val);
			break;
		case KVM_REG_PPC_EBBHR:
			vcpu->arch.ebbhr = set_reg_val(id, *val);
			break;
		case KVM_REG_PPC_EBBRR:
			vcpu->arch.ebbrr = set_reg_val(id, *val);
			break;
		case KVM_REG_PPC_BESCR:
			vcpu->arch.bescr = set_reg_val(id, *val);
			break;
		case KVM_REG_PPC_IC:
			vcpu->arch.ic = set_reg_val(id, *val);
			break;
		default:
			r = -EINVAL;
			break;
		}
	}

	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 240 58.39% 5 33.33%
Alexander Graf 93 22.63% 4 26.67%
Benjamin Herrenschmidt 28 6.81% 1 6.67%
Aneesh Kumar K.V 26 6.33% 4 26.67%
Mihai Caraman 24 5.84% 1 6.67%
Total 411 100.00% 15 100.00%



void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
	vcpu->kvm->arch.kvm_ops->vcpu_load(vcpu, cpu);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 28 100.00% 2 100.00%
Total 28 100.00% 2 100.00%



void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
{
	vcpu->kvm->arch.kvm_ops->vcpu_put(vcpu);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 23 100.00% 2 100.00%
Total 23 100.00% 2 100.00%



void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
{
	vcpu->kvm->arch.kvm_ops->set_msr(vcpu, msr);
}
Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 28 100.00% 2 100.00%
Total 28 100.00% 2 100.00%


EXPORT_SYMBOL_GPL(kvmppc_set_msr);



int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
{
	return vcpu->kvm->arch.kvm_ops->vcpu_run(kvm_run, vcpu);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 31 100.00% 2 100.00%
Total 31 100.00% 2 100.00%



int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
                                  struct kvm_translation *tr)
{
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 10 55.56% 1 50.00%
Alexander Graf 8 44.44% 1 50.00%
Total 18 100.00% 2 100.00%



int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
					struct kvm_guest_debug *dbg)
{
	vcpu->guest_debug = dbg->control;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Bharat Bhushan 17 65.38% 1 50.00%
Madhavan Srinivasan 9 34.62% 1 50.00%
Total 26 100.00% 2 100.00%



void kvmppc_decrementer_func(struct kvm_vcpu *vcpu)
{
	kvmppc_core_queue_dec(vcpu);
	kvm_vcpu_kick(vcpu);
}

Contributors
Person Tokens Prop Commits CommitProp
Scott Wood 18 90.00% 1 50.00%
Mihai Caraman 2 10.00% 1 50.00%
Total 20 100.00% 2 100.00%



struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
{
	return kvm->arch.kvm_ops->vcpu_create(kvm, id);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 30 100.00% 2 100.00%
Total 30 100.00% 2 100.00%



void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
{
	vcpu->kvm->arch.kvm_ops->vcpu_free(vcpu);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 23 100.00% 2 100.00%
Total 23 100.00% 2 100.00%



int kvmppc_core_check_requests(struct kvm_vcpu *vcpu)
{
	return vcpu->kvm->arch.kvm_ops->check_requests(vcpu);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 24 100.00% 2 100.00%
Total 24 100.00% 2 100.00%



int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)
{
	return kvm->arch.kvm_ops->get_dirty_log(kvm, log);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 29 100.00% 2 100.00%
Total 29 100.00% 2 100.00%



void kvmppc_core_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
			      struct kvm_memory_slot *dont)
{
	kvm->arch.kvm_ops->free_memslot(free, dont);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 33 100.00% 3 100.00%
Total 33 100.00% 3 100.00%



int kvmppc_core_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
			       unsigned long npages)
{
	return kvm->arch.kvm_ops->create_memslot(slot, npages);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 33 100.00% 3 100.00%
Total 33 100.00% 3 100.00%



void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot)
{
	kvm->arch.kvm_ops->flush_memslot(kvm, memslot);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 28 100.00% 2 100.00%
Total 28 100.00% 2 100.00%



int kvmppc_core_prepare_memory_region(struct kvm *kvm,
				struct kvm_memory_slot *memslot,
				const struct kvm_userspace_memory_region *mem)
{
	return kvm->arch.kvm_ops->prepare_memory_region(kvm, memslot, mem);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 36 97.30% 2 66.67%
Paolo Bonzini 1 2.70% 1 33.33%
Total 37 100.00% 3 100.00%



void kvmppc_core_commit_memory_region(struct kvm *kvm,
				const struct kvm_userspace_memory_region *mem,
				const struct kvm_memory_slot *old,
				const struct kvm_memory_slot *new)
{
	kvm->arch.kvm_ops->commit_memory_region(kvm, mem, old, new);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 36 80.00% 2 50.00%
Paolo Bonzini 9 20.00% 2 50.00%
Total 45 100.00% 4 100.00%



int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
{
	return kvm->arch.kvm_ops->unmap_hva(kvm, hva);
}
Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 28 100.00% 2 100.00%
Total 28 100.00% 2 100.00%


EXPORT_SYMBOL_GPL(kvm_unmap_hva);



int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
{
	return kvm->arch.kvm_ops->unmap_hva_range(kvm, start, end);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 34 100.00% 2 100.00%
Total 34 100.00% 2 100.00%



int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end)
{
	return kvm->arch.kvm_ops->age_hva(kvm, start, end);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 26 76.47% 2 66.67%
Andres Lagar-Cavilla 8 23.53% 1 33.33%
Total 34 100.00% 3 100.00%



int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
{
	return kvm->arch.kvm_ops->test_age_hva(kvm, hva);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 28 100.00% 2 100.00%
Total 28 100.00% 2 100.00%



void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
{
	kvm->arch.kvm_ops->set_spte_hva(kvm, hva, pte);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 32 100.00% 2 100.00%
Total 32 100.00% 2 100.00%



void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu)
{
	vcpu->kvm->arch.kvm_ops->mmu_destroy(vcpu);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 23 100.00% 2 100.00%
Total 23 100.00% 2 100.00%



int kvmppc_core_init_vm(struct kvm *kvm)
{

#ifdef CONFIG_PPC64
	INIT_LIST_HEAD_RCU(&kvm->arch.spapr_tce_tables);
	INIT_LIST_HEAD(&kvm->arch.rtas_tokens);
#endif

	return kvm->arch.kvm_ops->init_vm(kvm);
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 46 97.87% 2 66.67%
Alexey Kardashevskiy 1 2.13% 1 33.33%
Total 47 100.00% 3 100.00%



void kvmppc_core_destroy_vm(struct kvm *kvm)
{
	kvm->arch.kvm_ops->destroy_vm(kvm);

#ifdef CONFIG_PPC64
	kvmppc_rtas_tokens_free(kvm);
	WARN_ON(!list_empty(&kvm->arch.spapr_tce_tables));
#endif
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 45 100.00% 2 100.00%
Total 45 100.00% 2 100.00%



int kvmppc_h_logical_ci_load(struct kvm_vcpu *vcpu)
{
	unsigned long size = kvmppc_get_gpr(vcpu, 4);
	unsigned long addr = kvmppc_get_gpr(vcpu, 5);
	u64 buf;
	int srcu_idx;
	int ret;

	if (!is_power_of_2(size) || (size > sizeof(buf)))
		return H_TOO_HARD;

	srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
	ret = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, size, &buf);
	srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
	if (ret != 0)
		return H_TOO_HARD;

	switch (size) {
	case 1:
		kvmppc_set_gpr(vcpu, 4, *(u8 *)&buf);
		break;

	case 2:
		kvmppc_set_gpr(vcpu, 4, be16_to_cpu(*(__be16 *)&buf));
		break;

	case 4:
		kvmppc_set_gpr(vcpu, 4, be32_to_cpu(*(__be32 *)&buf));
		break;

	case 8:
		kvmppc_set_gpr(vcpu, 4, be64_to_cpu(*(__be64 *)&buf));
		break;

	default:
		BUG();
	}

	return H_SUCCESS;
}
Contributors
Person Tokens Prop Commits CommitProp
David Gibson 181 87.02% 1 50.00%
Thomas Huth 27 12.98% 1 50.00%
Total 208 100.00% 2 100.00%


EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_load);



int kvmppc_h_logical_ci_store(struct kvm_vcpu *vcpu)
{
	unsigned long size = kvmppc_get_gpr(vcpu, 4);
	unsigned long addr = kvmppc_get_gpr(vcpu, 5);
	unsigned long val = kvmppc_get_gpr(vcpu, 6);
	u64 buf;
	int srcu_idx;
	int ret;

	switch (size) {
	case 1:
		*(u8 *)&buf = val;
		break;

	case 2:
		*(__be16 *)&buf = cpu_to_be16(val);
		break;

	case 4:
		*(__be32 *)&buf = cpu_to_be32(val);
		break;

	case 8:
		*(__be64 *)&buf = cpu_to_be64(val);
		break;

	default:
		return H_TOO_HARD;
	}

	srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
	ret = kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, size, &buf);
	srcu_read_unlock(&vcpu->kvm->srcu, srcu_idx);
	if (ret != 0)
		return H_TOO_HARD;

	return H_SUCCESS;
}
Contributors
Person Tokens Prop Commits CommitProp
David Gibson 152 84.92% 1 50.00%
Thomas Huth 27 15.08% 1 50.00%
Total 179 100.00% 2 100.00%


EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_store);



int kvmppc_core_check_processor_compat(void)
{
	/*
         * We always return 0 for book3s. We check
         * for compatibility while loading the HV
         * or PR module
         */
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 10 90.91% 2 66.67%
Laurent Pinchart 1 9.09% 1 33.33%
Total 11 100.00% 3 100.00%



int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hcall)
{
	return kvm->arch.kvm_ops->hcall_implemented(hcall);
}

Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 26 100.00% 1 100.00%
Total 26 100.00% 1 100.00%

#ifdef CONFIG_KVM_XICS


int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level,
		bool line_status)
{
	if (xive_enabled())
		return kvmppc_xive_set_irq(kvm, irq_source_id, irq, level,
					   line_status);
	else
		return kvmppc_xics_set_irq(kvm, irq_source_id, irq, level,
					   line_status);
}

Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 56 100.00% 1 100.00%
Total 56 100.00% 1 100.00%



int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *irq_entry,
			      struct kvm *kvm, int irq_source_id,
			      int level, bool line_status)
{
	return kvm_set_irq(kvm, irq_source_id, irq_entry->gsi,
			   level, line_status);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 40 100.00% 1 100.00%
Total 40 100.00% 1 100.00%



static int kvmppc_book3s_set_irq(struct kvm_kernel_irq_routing_entry *e,
				 struct kvm *kvm, int irq_source_id, int level,
				 bool line_status)
{
	return kvm_set_irq(kvm, irq_source_id, e->gsi, level, line_status);
}

Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 41 100.00% 1 100.00%
Total 41 100.00% 1 100.00%



int kvm_irq_map_gsi(struct kvm *kvm,
		    struct kvm_kernel_irq_routing_entry *entries, int gsi)
{
	entries->gsi = gsi;
	entries->type = KVM_IRQ_ROUTING_IRQCHIP;
	entries->set = kvmppc_book3s_set_irq;
	entries->irqchip.irqchip = 0;
	entries->irqchip.pin = gsi;
	return 1;
}

Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 55 100.00% 1 100.00%
Total 55 100.00% 1 100.00%



int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)
{
	return pin;
}

Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%

#endif /* CONFIG_KVM_XICS */



static int kvmppc_book3s_init(void)
{
	int r;

	r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
	if (r)
		return r;
#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
	r = kvmppc_book3s_init_pr();
#endif

#ifdef CONFIG_KVM_XICS
#ifdef CONFIG_KVM_XIVE
	if (xive_enabled()) {
		kvmppc_xive_init_module();
		kvm_register_device_ops(&kvm_xive_ops, KVM_DEV_TYPE_XICS);
	} else
#endif
		kvm_register_device_ops(&kvm_xics_ops, KVM_DEV_TYPE_XICS);
#endif
	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 47 55.29% 2 50.00%
Benjamin Herrenschmidt 37 43.53% 1 25.00%
Alexander Graf 1 1.18% 1 25.00%
Total 85 100.00% 4 100.00%



static void kvmppc_book3s_exit(void)
{
#ifdef CONFIG_KVM_XICS
	if (xive_enabled())
		kvmppc_xive_exit_module();
#endif
#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
	kvmppc_book3s_exit_pr();
#endif
	kvm_exit();
}

Contributors
Person Tokens Prop Commits CommitProp
Aneesh Kumar K.V 18 56.25% 1 33.33%
Benjamin Herrenschmidt 13 40.62% 1 33.33%
Alexander Graf 1 3.12% 1 33.33%
Total 32 100.00% 3 100.00%


module_init(kvmppc_book3s_init);

module_exit(kvmppc_book3s_exit);

/* On 32bit this is our one and only kernel module */
#ifdef CONFIG_KVM_BOOK3S_32_HANDLER

MODULE_ALIAS_MISCDEV(KVM_MINOR);
MODULE_ALIAS("devname:kvm");
#endif
Overall Contributors
Person Tokens Prop Commits CommitProp
Paul Mackerras 1564 31.27% 13 15.85%
Alexander Graf 1300 25.99% 32 39.02%
Aneesh Kumar K.V 1059 21.18% 8 9.76%
Benjamin Herrenschmidt 352 7.04% 3 3.66%
David Gibson 343 6.86% 1 1.22%
Mihai Caraman 131 2.62% 3 3.66%
Thomas Huth 55 1.10% 2 2.44%
Bharat Bhushan 48 0.96% 3 3.66%
Suraj Jitindar Singh 36 0.72% 1 1.22%
Paolo Bonzini 28 0.56% 4 4.88%
Suresh E. Warrier 27 0.54% 1 1.22%
Scott Wood 19 0.38% 2 2.44%
Madhavan Srinivasan 9 0.18% 1 1.22%
Christian Bornträger 9 0.18% 1 1.22%
Andres Lagar-Cavilla 8 0.16% 1 1.22%
Stephen Rothwell 3 0.06% 1 1.22%
Dan J Williams 3 0.06% 1 1.22%
Paul Gortmaker 3 0.06% 1 1.22%
Tejun Heo 2 0.04% 1 1.22%
Laurent Pinchart 1 0.02% 1 1.22%
Alexey Kardashevskiy 1 0.02% 1 1.22%
Total 5001 100.00% 82 100.00%
Directory: arch/powerpc/kvm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Alexander Graf	59	100.00%	1	100.00%
Total	59	100.00%	1	100.00%
cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/kvm/book3s.c

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