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Diffstat (limited to 'arch/s390/kvm/priv.c')
-rw-r--r--arch/s390/kvm/priv.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 4cdc54e63ebc..59200ee275e5 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -164,8 +164,7 @@ static int handle_tpi(struct kvm_vcpu *vcpu)
kfree(inti);
no_interrupt:
/* Set condition code and we're done. */
- vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44);
- vcpu->arch.sie_block->gpsw.mask |= (cc & 3ul) << 44;
+ kvm_s390_set_psw_cc(vcpu, cc);
return 0;
}
@@ -220,15 +219,13 @@ static int handle_io_inst(struct kvm_vcpu *vcpu)
* Set condition code 3 to stop the guest from issueing channel
* I/O instructions.
*/
- vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44);
- vcpu->arch.sie_block->gpsw.mask |= (3 & 3ul) << 44;
+ kvm_s390_set_psw_cc(vcpu, 3);
return 0;
}
}
static int handle_stfl(struct kvm_vcpu *vcpu)
{
- unsigned int facility_list;
int rc;
vcpu->stat.instruction_stfl++;
@@ -236,15 +233,13 @@ static int handle_stfl(struct kvm_vcpu *vcpu)
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
- /* only pass the facility bits, which we can handle */
- facility_list = S390_lowcore.stfl_fac_list & 0xff82fff3;
-
rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list),
- &facility_list, sizeof(facility_list));
+ vfacilities, 4);
if (rc)
return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
- VCPU_EVENT(vcpu, 5, "store facility list value %x", facility_list);
- trace_kvm_s390_handle_stfl(vcpu, facility_list);
+ VCPU_EVENT(vcpu, 5, "store facility list value %x",
+ *(unsigned int *) vfacilities);
+ trace_kvm_s390_handle_stfl(vcpu, *(unsigned int *) vfacilities);
return 0;
}
@@ -387,7 +382,7 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
if (fc > 3) {
- vcpu->arch.sie_block->gpsw.mask |= 3ul << 44; /* cc 3 */
+ kvm_s390_set_psw_cc(vcpu, 3);
return 0;
}
@@ -397,7 +392,7 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
if (fc == 0) {
vcpu->run->s.regs.gprs[0] = 3 << 28;
- vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); /* cc 0 */
+ kvm_s390_set_psw_cc(vcpu, 0);
return 0;
}
@@ -431,12 +426,11 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
}
trace_kvm_s390_handle_stsi(vcpu, fc, sel1, sel2, operand2);
free_page(mem);
- vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44);
+ kvm_s390_set_psw_cc(vcpu, 0);
vcpu->run->s.regs.gprs[0] = 0;
return 0;
out_no_data:
- /* condition code 3 */
- vcpu->arch.sie_block->gpsw.mask |= 3ul << 44;
+ kvm_s390_set_psw_cc(vcpu, 3);
out_exception:
free_page(mem);
return rc;
@@ -494,12 +488,12 @@ static int handle_epsw(struct kvm_vcpu *vcpu)
kvm_s390_get_regs_rre(vcpu, &reg1, &reg2);
/* This basically extracts the mask half of the psw. */
- vcpu->run->s.regs.gprs[reg1] &= 0xffffffff00000000;
+ vcpu->run->s.regs.gprs[reg1] &= 0xffffffff00000000UL;
vcpu->run->s.regs.gprs[reg1] |= vcpu->arch.sie_block->gpsw.mask >> 32;
if (reg2) {
- vcpu->run->s.regs.gprs[reg2] &= 0xffffffff00000000;
+ vcpu->run->s.regs.gprs[reg2] &= 0xffffffff00000000UL;
vcpu->run->s.regs.gprs[reg2] |=
- vcpu->arch.sie_block->gpsw.mask & 0x00000000ffffffff;
+ vcpu->arch.sie_block->gpsw.mask & 0x00000000ffffffffUL;
}
return 0;
}