mirror of
https://github.com/torvalds/linux.git
synced 2024-12-21 02:21:36 +00:00
971eb77f87
This patch fixes
ERROR: "__kvm_s390_vcpu_store_status" [arch/s390/kvm/kvm.ko] undefined!
triggered by
commit 3268c56840dcee78c3e928336550f4e1861504c4 (kvm.git)
Author: Avi Kivity <avi@redhat.com>
Date: Thu May 13 12:21:46 2010 +0300
KVM: s390: Centrally lock arch specific vcpu ioctls
Reported-by: Sachin Sant <sachinp@in.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
|
|
* kvm_s390.h - definition for kvm on s390
|
|
*
|
|
* Copyright IBM Corp. 2008,2009
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License (version 2 only)
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* Author(s): Carsten Otte <cotte@de.ibm.com>
|
|
* Christian Borntraeger <borntraeger@de.ibm.com>
|
|
* Christian Ehrhardt <ehrhardt@de.ibm.com>
|
|
*/
|
|
|
|
#ifndef ARCH_S390_KVM_S390_H
|
|
#define ARCH_S390_KVM_S390_H
|
|
|
|
#include <linux/hrtimer.h>
|
|
#include <linux/kvm.h>
|
|
#include <linux/kvm_host.h>
|
|
|
|
/* The current code can have up to 256 pages for virtio */
|
|
#define VIRTIODESCSPACE (256ul * 4096ul)
|
|
|
|
typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu);
|
|
|
|
/* negativ values are error codes, positive values for internal conditions */
|
|
#define SIE_INTERCEPT_RERUNVCPU (1<<0)
|
|
int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu);
|
|
|
|
#define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\
|
|
do { \
|
|
debug_sprintf_event(d_kvm->arch.dbf, d_loglevel, d_string "\n", \
|
|
d_args); \
|
|
} while (0)
|
|
|
|
#define VCPU_EVENT(d_vcpu, d_loglevel, d_string, d_args...)\
|
|
do { \
|
|
debug_sprintf_event(d_vcpu->kvm->arch.dbf, d_loglevel, \
|
|
"%02d[%016lx-%016lx]: " d_string "\n", d_vcpu->vcpu_id, \
|
|
d_vcpu->arch.sie_block->gpsw.mask, d_vcpu->arch.sie_block->gpsw.addr,\
|
|
d_args); \
|
|
} while (0)
|
|
|
|
static inline int __cpu_is_stopped(struct kvm_vcpu *vcpu)
|
|
{
|
|
return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOP_INT;
|
|
}
|
|
|
|
int kvm_s390_handle_wait(struct kvm_vcpu *vcpu);
|
|
enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer);
|
|
void kvm_s390_tasklet(unsigned long parm);
|
|
void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu);
|
|
int kvm_s390_inject_vm(struct kvm *kvm,
|
|
struct kvm_s390_interrupt *s390int);
|
|
int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu,
|
|
struct kvm_s390_interrupt *s390int);
|
|
int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code);
|
|
int kvm_s390_inject_sigp_stop(struct kvm_vcpu *vcpu, int action);
|
|
|
|
static inline long kvm_s390_vcpu_get_memsize(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->arch.sie_block->gmslm
|
|
- vcpu->arch.sie_block->gmsor
|
|
- VIRTIODESCSPACE + 1ul;
|
|
}
|
|
|
|
static inline void kvm_s390_vcpu_set_mem(struct kvm_vcpu *vcpu)
|
|
{
|
|
int idx;
|
|
struct kvm_memory_slot *mem;
|
|
struct kvm_memslots *memslots;
|
|
|
|
idx = srcu_read_lock(&vcpu->kvm->srcu);
|
|
memslots = kvm_memslots(vcpu->kvm);
|
|
|
|
mem = &memslots->memslots[0];
|
|
|
|
vcpu->arch.sie_block->gmsor = mem->userspace_addr;
|
|
vcpu->arch.sie_block->gmslm =
|
|
mem->userspace_addr +
|
|
(mem->npages << PAGE_SHIFT) +
|
|
VIRTIODESCSPACE - 1ul;
|
|
|
|
srcu_read_unlock(&vcpu->kvm->srcu, idx);
|
|
}
|
|
|
|
/* implemented in priv.c */
|
|
int kvm_s390_handle_b2(struct kvm_vcpu *vcpu);
|
|
|
|
/* implemented in sigp.c */
|
|
int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu);
|
|
|
|
/* implemented in kvm-s390.c */
|
|
int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu,
|
|
unsigned long addr);
|
|
/* implemented in diag.c */
|
|
int kvm_s390_handle_diag(struct kvm_vcpu *vcpu);
|
|
|
|
#endif
|