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-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)
164 kfree(inti); 164 kfree(inti);
165no_interrupt: 165no_interrupt:
166 /* Set condition code and we're done. */ 166 /* Set condition code and we're done. */
167 vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); 167 kvm_s390_set_psw_cc(vcpu, cc);
168 vcpu->arch.sie_block->gpsw.mask |= (cc & 3ul) << 44;
169 return 0; 168 return 0;
170} 169}
171 170
@@ -220,15 +219,13 @@ static int handle_io_inst(struct kvm_vcpu *vcpu)
220 * Set condition code 3 to stop the guest from issueing channel 219 * Set condition code 3 to stop the guest from issueing channel
221 * I/O instructions. 220 * I/O instructions.
222 */ 221 */
223 vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); 222 kvm_s390_set_psw_cc(vcpu, 3);
224 vcpu->arch.sie_block->gpsw.mask |= (3 & 3ul) << 44;
225 return 0; 223 return 0;
226 } 224 }
227} 225}
228 226
229static int handle_stfl(struct kvm_vcpu *vcpu) 227static int handle_stfl(struct kvm_vcpu *vcpu)
230{ 228{
231 unsigned int facility_list;
232 int rc; 229 int rc;
233 230
234 vcpu->stat.instruction_stfl++; 231 vcpu->stat.instruction_stfl++;
@@ -236,15 +233,13 @@ static int handle_stfl(struct kvm_vcpu *vcpu)
236 if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) 233 if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
237 return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); 234 return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
238 235
239 /* only pass the facility bits, which we can handle */
240 facility_list = S390_lowcore.stfl_fac_list & 0xff82fff3;
241
242 rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list), 236 rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list),
243 &facility_list, sizeof(facility_list)); 237 vfacilities, 4);
244 if (rc) 238 if (rc)
245 return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); 239 return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
246 VCPU_EVENT(vcpu, 5, "store facility list value %x", facility_list); 240 VCPU_EVENT(vcpu, 5, "store facility list value %x",
247 trace_kvm_s390_handle_stfl(vcpu, facility_list); 241 *(unsigned int *) vfacilities);
242 trace_kvm_s390_handle_stfl(vcpu, *(unsigned int *) vfacilities);
248 return 0; 243 return 0;
249} 244}
250 245
@@ -387,7 +382,7 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
387 return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); 382 return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
388 383
389 if (fc > 3) { 384 if (fc > 3) {
390 vcpu->arch.sie_block->gpsw.mask |= 3ul << 44; /* cc 3 */ 385 kvm_s390_set_psw_cc(vcpu, 3);
391 return 0; 386 return 0;
392 } 387 }
393 388
@@ -397,7 +392,7 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
397 392
398 if (fc == 0) { 393 if (fc == 0) {
399 vcpu->run->s.regs.gprs[0] = 3 << 28; 394 vcpu->run->s.regs.gprs[0] = 3 << 28;
400 vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); /* cc 0 */ 395 kvm_s390_set_psw_cc(vcpu, 0);
401 return 0; 396 return 0;
402 } 397 }
403 398
@@ -431,12 +426,11 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
431 } 426 }
432 trace_kvm_s390_handle_stsi(vcpu, fc, sel1, sel2, operand2); 427 trace_kvm_s390_handle_stsi(vcpu, fc, sel1, sel2, operand2);
433 free_page(mem); 428 free_page(mem);
434 vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44); 429 kvm_s390_set_psw_cc(vcpu, 0);
435 vcpu->run->s.regs.gprs[0] = 0; 430 vcpu->run->s.regs.gprs[0] = 0;
436 return 0; 431 return 0;
437out_no_data: 432out_no_data:
438 /* condition code 3 */ 433 kvm_s390_set_psw_cc(vcpu, 3);
439 vcpu->arch.sie_block->gpsw.mask |= 3ul << 44;
440out_exception: 434out_exception:
441 free_page(mem); 435 free_page(mem);
442 return rc; 436 return rc;
@@ -494,12 +488,12 @@ static int handle_epsw(struct kvm_vcpu *vcpu)
494 kvm_s390_get_regs_rre(vcpu, &reg1, &reg2); 488 kvm_s390_get_regs_rre(vcpu, &reg1, &reg2);
495 489
496 /* This basically extracts the mask half of the psw. */ 490 /* This basically extracts the mask half of the psw. */
497 vcpu->run->s.regs.gprs[reg1] &= 0xffffffff00000000; 491 vcpu->run->s.regs.gprs[reg1] &= 0xffffffff00000000UL;
498 vcpu->run->s.regs.gprs[reg1] |= vcpu->arch.sie_block->gpsw.mask >> 32; 492 vcpu->run->s.regs.gprs[reg1] |= vcpu->arch.sie_block->gpsw.mask >> 32;
499 if (reg2) { 493 if (reg2) {
500 vcpu->run->s.regs.gprs[reg2] &= 0xffffffff00000000; 494 vcpu->run->s.regs.gprs[reg2] &= 0xffffffff00000000UL;
501 vcpu->run->s.regs.gprs[reg2] |= 495 vcpu->run->s.regs.gprs[reg2] |=
502 vcpu->arch.sie_block->gpsw.mask & 0x00000000ffffffff; 496 vcpu->arch.sie_block->gpsw.mask & 0x00000000ffffffffUL;
503 } 497 }
504 return 0; 498 return 0;
505} 499}