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s390/smp/kvm: unifiy sigp definitions

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The smp and the kvm code have different defines for the sigp order codes.
Let's just have a single place where these are defined.
Also move the sigp condition code and sigp cpu status bits to the new
sigp.h header file.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2012-06-04 12:55:15 +02:00
committed by Martin Schwidefsky
parent 524b24ada7
commit a9ae32c3d9
3 changed files with 64 additions and 85 deletions
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46
arch/s390/kvm/sigp.c
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@@ -15,38 +15,10 @@
#include <linux/kvm.h>
#include <linux/kvm_host.h>
#include <linux/slab.h>
#include <asm/sigp.h>
#include "gaccess.h"
#include "kvm-s390.h"
/* sigp order codes */
#define SIGP_SENSE 0x01
#define SIGP_EXTERNAL_CALL 0x02
#define SIGP_EMERGENCY 0x03
#define SIGP_START 0x04
#define SIGP_STOP 0x05
#define SIGP_RESTART 0x06
#define SIGP_STOP_STORE_STATUS 0x09
#define SIGP_INITIAL_CPU_RESET 0x0b
#define SIGP_CPU_RESET 0x0c
#define SIGP_SET_PREFIX 0x0d
#define SIGP_STORE_STATUS_ADDR 0x0e
#define SIGP_SET_ARCH 0x12
#define SIGP_SENSE_RUNNING 0x15
/* cpu status bits */
#define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL
#define SIGP_STAT_NOT_RUNNING 0x00000400UL
#define SIGP_STAT_INCORRECT_STATE 0x00000200UL
#define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
#define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL
#define SIGP_STAT_STOPPED 0x00000040UL
#define SIGP_STAT_OPERATOR_INTERV 0x00000020UL
#define SIGP_STAT_CHECK_STOP 0x00000010UL
#define SIGP_STAT_INOPERATIVE 0x00000004UL
#define SIGP_STAT_INVALID_ORDER 0x00000002UL
#define SIGP_STAT_RECEIVER_CHECK 0x00000001UL
static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr,
u64 *reg)
{
@@ -65,7 +37,7 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr,
rc = 1; /* status stored */
} else {
*reg &= 0xffffffff00000000UL;
*reg |= SIGP_STAT_STOPPED;
*reg |= SIGP_STATUS_STOPPED;
rc = 1; /* status stored */
}
spin_unlock(&fi->lock);
@@ -235,7 +207,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
address = address & 0x7fffe000u;
if (copy_from_guest_absolute(vcpu, &tmp, address, 1) ||
copy_from_guest_absolute(vcpu, &tmp, address + PAGE_SIZE, 1)) {
*reg |= SIGP_STAT_INVALID_PARAMETER;
*reg |= SIGP_STATUS_INVALID_PARAMETER;
return 1; /* invalid parameter */
}
@@ -249,7 +221,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
if (li == NULL) {
rc = 1; /* incorrect state */
*reg &= SIGP_STAT_INCORRECT_STATE;
*reg &= SIGP_STATUS_INCORRECT_STATE;
kfree(inti);
goto out_fi;
}
@@ -258,7 +230,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
/* cpu must be in stopped state */
if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) {
rc = 1; /* incorrect state */
*reg &= SIGP_STAT_INCORRECT_STATE;
*reg &= SIGP_STATUS_INCORRECT_STATE;
kfree(inti);
goto out_li;
}
@@ -300,7 +272,7 @@ static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr,
} else {
/* not running */
*reg &= 0xffffffff00000000UL;
*reg |= SIGP_STAT_NOT_RUNNING;
*reg |= SIGP_STATUS_NOT_RUNNING;
rc = 0;
}
}
@@ -375,7 +347,7 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
vcpu->stat.instruction_sigp_external_call++;
rc = __sigp_external_call(vcpu, cpu_addr);
break;
case SIGP_EMERGENCY:
case SIGP_EMERGENCY_SIGNAL:
vcpu->stat.instruction_sigp_emergency++;
rc = __sigp_emergency(vcpu, cpu_addr);
break;
@@ -383,12 +355,12 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
vcpu->stat.instruction_sigp_stop++;
rc = __sigp_stop(vcpu, cpu_addr, ACTION_STOP_ON_STOP);
break;
case SIGP_STOP_STORE_STATUS:
case SIGP_STOP_AND_STORE_STATUS:
vcpu->stat.instruction_sigp_stop++;
rc = __sigp_stop(vcpu, cpu_addr, ACTION_STORE_ON_STOP |
ACTION_STOP_ON_STOP);
break;
case SIGP_SET_ARCH:
case SIGP_SET_ARCHITECTURE:
vcpu->stat.instruction_sigp_arch++;
rc = __sigp_set_arch(vcpu, parameter);
break;