1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * definition for kvm on s390 4 * 5 * Copyright IBM Corp. 2008, 2020 6 * 7 * Author(s): Carsten Otte <cotte@de.ibm.com> 8 * Christian Borntraeger <borntraeger@de.ibm.com> 9 * Christian Ehrhardt <ehrhardt@de.ibm.com> 10 */ 11 12#ifndef ARCH_S390_KVM_S390_H 13#define ARCH_S390_KVM_S390_H 14 15#include <linux/hrtimer.h> 16#include <linux/kvm.h> 17#include <linux/kvm_host.h> 18#include <linux/lockdep.h> 19#include <asm/facility.h> 20#include <asm/processor.h> 21#include <asm/sclp.h> 22 23static inline void kvm_s390_fpu_store(struct kvm_run *run) 24{ 25 fpu_stfpc(&run->s.regs.fpc); 26 if (cpu_has_vx()) 27 save_vx_regs((__vector128 *)&run->s.regs.vrs); 28 else 29 save_fp_regs((freg_t *)&run->s.regs.fprs); 30} 31 32static inline void kvm_s390_fpu_load(struct kvm_run *run) 33{ 34 fpu_lfpc_safe(&run->s.regs.fpc); 35 if (cpu_has_vx()) 36 load_vx_regs((__vector128 *)&run->s.regs.vrs); 37 else 38 load_fp_regs((freg_t *)&run->s.regs.fprs); 39} 40 41/* Transactional Memory Execution related macros */ 42#define IS_TE_ENABLED(vcpu) ((vcpu->arch.sie_block->ecb & ECB_TE)) 43#define TDB_FORMAT1 1 44#define IS_ITDB_VALID(vcpu) \ 45 ((*(char *)phys_to_virt((vcpu)->arch.sie_block->itdba) == TDB_FORMAT1)) 46 47extern debug_info_t *kvm_s390_dbf; 48extern debug_info_t *kvm_s390_dbf_uv; 49 50#define KVM_UV_EVENT(d_kvm, d_loglevel, d_string, d_args...)\ 51do { \ 52 debug_sprintf_event((d_kvm)->arch.dbf, d_loglevel, d_string "\n", \ 53 d_args); \ 54 debug_sprintf_event(kvm_s390_dbf_uv, d_loglevel, \ 55 "%d: " d_string "\n", (d_kvm)->userspace_pid, \ 56 d_args); \ 57} while (0) 58 59#define KVM_EVENT(d_loglevel, d_string, d_args...)\ 60do { \ 61 debug_sprintf_event(kvm_s390_dbf, d_loglevel, d_string "\n", \ 62 d_args); \ 63} while (0) 64 65#define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\ 66do { \ 67 debug_sprintf_event(d_kvm->arch.dbf, d_loglevel, d_string "\n", \ 68 d_args); \ 69} while (0) 70 71#define VCPU_EVENT(d_vcpu, d_loglevel, d_string, d_args...)\ 72do { \ 73 debug_sprintf_event(d_vcpu->kvm->arch.dbf, d_loglevel, \ 74 "%02d[%016lx-%016lx]: " d_string "\n", d_vcpu->vcpu_id, \ 75 d_vcpu->arch.sie_block->gpsw.mask, d_vcpu->arch.sie_block->gpsw.addr,\ 76 d_args); \ 77} while (0) 78 79static inline void kvm_s390_set_cpuflags(struct kvm_vcpu *vcpu, u32 flags) 80{ 81 atomic_or(flags, &vcpu->arch.sie_block->cpuflags); 82} 83 84static inline void kvm_s390_clear_cpuflags(struct kvm_vcpu *vcpu, u32 flags) 85{ 86 atomic_andnot(flags, &vcpu->arch.sie_block->cpuflags); 87} 88 89static inline bool kvm_s390_test_cpuflags(struct kvm_vcpu *vcpu, u32 flags) 90{ 91 return (atomic_read(&vcpu->arch.sie_block->cpuflags) & flags) == flags; 92} 93 94static inline int is_vcpu_stopped(struct kvm_vcpu *vcpu) 95{ 96 return kvm_s390_test_cpuflags(vcpu, CPUSTAT_STOPPED); 97} 98 99static inline int is_vcpu_idle(struct kvm_vcpu *vcpu) 100{ 101 return test_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); 102} 103 104static inline int kvm_is_ucontrol(struct kvm *kvm) 105{ 106#ifdef CONFIG_KVM_S390_UCONTROL 107 if (kvm->arch.gmap) 108 return 0; 109 return 1; 110#else 111 return 0; 112#endif 113} 114 115#define GUEST_PREFIX_SHIFT 13 116static inline u32 kvm_s390_get_prefix(struct kvm_vcpu *vcpu) 117{ 118 return vcpu->arch.sie_block->prefix << GUEST_PREFIX_SHIFT; 119} 120 121static inline void kvm_s390_set_prefix(struct kvm_vcpu *vcpu, u32 prefix) 122{ 123 VCPU_EVENT(vcpu, 3, "set prefix of cpu %03u to 0x%x", vcpu->vcpu_id, 124 prefix); 125 vcpu->arch.sie_block->prefix = prefix >> GUEST_PREFIX_SHIFT; 126 kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu); 127 kvm_make_request(KVM_REQ_REFRESH_GUEST_PREFIX, vcpu); 128} 129 130static inline u64 kvm_s390_get_base_disp_s(struct kvm_vcpu *vcpu, u8 *ar) 131{ 132 u32 base2 = vcpu->arch.sie_block->ipb >> 28; 133 u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); 134 135 if (ar) 136 *ar = base2; 137 138 return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; 139} 140 141static inline void kvm_s390_get_base_disp_sse(struct kvm_vcpu *vcpu, 142 u64 *address1, u64 *address2, 143 u8 *ar_b1, u8 *ar_b2) 144{ 145 u32 base1 = (vcpu->arch.sie_block->ipb & 0xf0000000) >> 28; 146 u32 disp1 = (vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16; 147 u32 base2 = (vcpu->arch.sie_block->ipb & 0xf000) >> 12; 148 u32 disp2 = vcpu->arch.sie_block->ipb & 0x0fff; 149 150 *address1 = (base1 ? vcpu->run->s.regs.gprs[base1] : 0) + disp1; 151 *address2 = (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; 152 153 if (ar_b1) 154 *ar_b1 = base1; 155 if (ar_b2) 156 *ar_b2 = base2; 157} 158 159static inline void kvm_s390_get_regs_rre(struct kvm_vcpu *vcpu, int *r1, int *r2) 160{ 161 if (r1) 162 *r1 = (vcpu->arch.sie_block->ipb & 0x00f00000) >> 20; 163 if (r2) 164 *r2 = (vcpu->arch.sie_block->ipb & 0x000f0000) >> 16; 165} 166 167static inline u64 kvm_s390_get_base_disp_rsy(struct kvm_vcpu *vcpu, u8 *ar) 168{ 169 u32 base2 = vcpu->arch.sie_block->ipb >> 28; 170 u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16) + 171 ((vcpu->arch.sie_block->ipb & 0xff00) << 4); 172 /* The displacement is a 20bit _SIGNED_ value */ 173 if (disp2 & 0x80000) 174 disp2+=0xfff00000; 175 176 if (ar) 177 *ar = base2; 178 179 return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + (long)(int)disp2; 180} 181 182static inline u64 kvm_s390_get_base_disp_rs(struct kvm_vcpu *vcpu, u8 *ar) 183{ 184 u32 base2 = vcpu->arch.sie_block->ipb >> 28; 185 u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); 186 187 if (ar) 188 *ar = base2; 189 190 return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; 191} 192 193/* Set the condition code in the guest program status word */ 194static inline void kvm_s390_set_psw_cc(struct kvm_vcpu *vcpu, unsigned long cc) 195{ 196 vcpu->arch.sie_block->gpsw.mask &= ~(3UL << 44); 197 vcpu->arch.sie_block->gpsw.mask |= cc << 44; 198} 199 200/* test availability of facility in a kvm instance */ 201static inline int test_kvm_facility(struct kvm *kvm, unsigned long nr) 202{ 203 return __test_facility(nr, kvm->arch.model.fac_mask) && 204 __test_facility(nr, kvm->arch.model.fac_list); 205} 206 207static inline int set_kvm_facility(u64 *fac_list, unsigned long nr) 208{ 209 unsigned char *ptr; 210 211 if (nr >= MAX_FACILITY_BIT) 212 return -EINVAL; 213 ptr = (unsigned char *) fac_list + (nr >> 3); 214 *ptr |= (0x80UL >> (nr & 7)); 215 return 0; 216} 217 218static inline int test_kvm_cpu_feat(struct kvm *kvm, unsigned long nr) 219{ 220 WARN_ON_ONCE(nr >= KVM_S390_VM_CPU_FEAT_NR_BITS); 221 return test_bit_inv(nr, kvm->arch.cpu_feat); 222} 223 224/* are cpu states controlled by user space */ 225static inline int kvm_s390_user_cpu_state_ctrl(struct kvm *kvm) 226{ 227 return kvm->arch.user_cpu_state_ctrl != 0; 228} 229 230static inline void kvm_s390_set_user_cpu_state_ctrl(struct kvm *kvm) 231{ 232 if (kvm->arch.user_cpu_state_ctrl) 233 return; 234 235 VM_EVENT(kvm, 3, "%s", "ENABLE: Userspace CPU state control"); 236 kvm->arch.user_cpu_state_ctrl = 1; 237} 238 239/* get the end gfn of the last (highest gfn) memslot */ 240static inline unsigned long kvm_s390_get_gfn_end(struct kvm_memslots *slots) 241{ 242 struct rb_node *node; 243 struct kvm_memory_slot *ms; 244 245 if (WARN_ON(kvm_memslots_empty(slots))) 246 return 0; 247 248 node = rb_last(&slots->gfn_tree); 249 ms = container_of(node, struct kvm_memory_slot, gfn_node[slots->node_idx]); 250 return ms->base_gfn + ms->npages; 251} 252 253static inline u32 kvm_s390_get_gisa_desc(struct kvm *kvm) 254{ 255 u32 gd = virt_to_phys(kvm->arch.gisa_int.origin); 256 257 if (gd && sclp.has_gisaf) 258 gd |= GISA_FORMAT1; 259 return gd; 260} 261 262/* implemented in pv.c */ 263int kvm_s390_pv_destroy_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc); 264int kvm_s390_pv_create_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc); 265int kvm_s390_pv_set_aside(struct kvm *kvm, u16 *rc, u16 *rrc); 266int kvm_s390_pv_deinit_aside_vm(struct kvm *kvm, u16 *rc, u16 *rrc); 267int kvm_s390_pv_deinit_cleanup_all(struct kvm *kvm, u16 *rc, u16 *rrc); 268int kvm_s390_pv_deinit_vm(struct kvm *kvm, u16 *rc, u16 *rrc); 269int kvm_s390_pv_init_vm(struct kvm *kvm, u16 *rc, u16 *rrc); 270int kvm_s390_pv_set_sec_parms(struct kvm *kvm, void *hdr, u64 length, u16 *rc, 271 u16 *rrc); 272int kvm_s390_pv_unpack(struct kvm *kvm, unsigned long addr, unsigned long size, 273 unsigned long tweak, u16 *rc, u16 *rrc); 274int kvm_s390_pv_set_cpu_state(struct kvm_vcpu *vcpu, u8 state); 275int kvm_s390_pv_dump_cpu(struct kvm_vcpu *vcpu, void *buff, u16 *rc, u16 *rrc); 276int kvm_s390_pv_dump_stor_state(struct kvm *kvm, void __user *buff_user, 277 u64 *gaddr, u64 buff_user_len, u16 *rc, u16 *rrc); 278int kvm_s390_pv_dump_complete(struct kvm *kvm, void __user *buff_user, 279 u16 *rc, u16 *rrc); 280 281static inline u64 kvm_s390_pv_get_handle(struct kvm *kvm) 282{ 283 return kvm->arch.pv.handle; 284} 285 286static inline u64 kvm_s390_pv_cpu_get_handle(struct kvm_vcpu *vcpu) 287{ 288 return vcpu->arch.pv.handle; 289} 290 291/* implemented in interrupt.c */ 292int kvm_s390_handle_wait(struct kvm_vcpu *vcpu); 293void kvm_s390_vcpu_wakeup(struct kvm_vcpu *vcpu); 294enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer); 295int __must_check kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu); 296void kvm_s390_clear_local_irqs(struct kvm_vcpu *vcpu); 297void kvm_s390_clear_float_irqs(struct kvm *kvm); 298int __must_check kvm_s390_inject_vm(struct kvm *kvm, 299 struct kvm_s390_interrupt *s390int); 300int __must_check kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, 301 struct kvm_s390_irq *irq); 302static inline int kvm_s390_inject_prog_irq(struct kvm_vcpu *vcpu, 303 struct kvm_s390_pgm_info *pgm_info) 304{ 305 struct kvm_s390_irq irq = { 306 .type = KVM_S390_PROGRAM_INT, 307 .u.pgm = *pgm_info, 308 }; 309 310 return kvm_s390_inject_vcpu(vcpu, &irq); 311} 312static inline int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code) 313{ 314 struct kvm_s390_irq irq = { 315 .type = KVM_S390_PROGRAM_INT, 316 .u.pgm.code = code, 317 }; 318 319 return kvm_s390_inject_vcpu(vcpu, &irq); 320} 321struct kvm_s390_interrupt_info *kvm_s390_get_io_int(struct kvm *kvm, 322 u64 isc_mask, u32 schid); 323int kvm_s390_reinject_io_int(struct kvm *kvm, 324 struct kvm_s390_interrupt_info *inti); 325int kvm_s390_mask_adapter(struct kvm *kvm, unsigned int id, bool masked); 326 327/* implemented in intercept.c */ 328u8 kvm_s390_get_ilen(struct kvm_vcpu *vcpu); 329int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu); 330static inline void kvm_s390_rewind_psw(struct kvm_vcpu *vcpu, int ilen) 331{ 332 struct kvm_s390_sie_block *sie_block = vcpu->arch.sie_block; 333 334 sie_block->gpsw.addr = __rewind_psw(sie_block->gpsw, ilen); 335} 336static inline void kvm_s390_forward_psw(struct kvm_vcpu *vcpu, int ilen) 337{ 338 kvm_s390_rewind_psw(vcpu, -ilen); 339} 340static inline void kvm_s390_retry_instr(struct kvm_vcpu *vcpu) 341{ 342 /* don't inject PER events if we re-execute the instruction */ 343 vcpu->arch.sie_block->icptstatus &= ~0x02; 344 kvm_s390_rewind_psw(vcpu, kvm_s390_get_ilen(vcpu)); 345} 346 347int handle_sthyi(struct kvm_vcpu *vcpu); 348 349/* implemented in priv.c */ 350int is_valid_psw(psw_t *psw); 351int kvm_s390_handle_aa(struct kvm_vcpu *vcpu); 352int kvm_s390_handle_b2(struct kvm_vcpu *vcpu); 353int kvm_s390_handle_e3(struct kvm_vcpu *vcpu); 354int kvm_s390_handle_e5(struct kvm_vcpu *vcpu); 355int kvm_s390_handle_01(struct kvm_vcpu *vcpu); 356int kvm_s390_handle_b9(struct kvm_vcpu *vcpu); 357int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu); 358int kvm_s390_handle_stctl(struct kvm_vcpu *vcpu); 359int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu); 360int kvm_s390_handle_eb(struct kvm_vcpu *vcpu); 361int kvm_s390_skey_check_enable(struct kvm_vcpu *vcpu); 362 363/* implemented in vsie.c */ 364int kvm_s390_handle_vsie(struct kvm_vcpu *vcpu); 365void kvm_s390_vsie_kick(struct kvm_vcpu *vcpu); 366void kvm_s390_vsie_gmap_notifier(struct gmap *gmap, unsigned long start, 367 unsigned long end); 368void kvm_s390_vsie_init(struct kvm *kvm); 369void kvm_s390_vsie_destroy(struct kvm *kvm); 370 371/* implemented in sigp.c */ 372int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu); 373int kvm_s390_handle_sigp_pei(struct kvm_vcpu *vcpu); 374 375/* implemented in kvm-s390.c */ 376int kvm_s390_try_set_tod_clock(struct kvm *kvm, const struct kvm_s390_vm_tod_clock *gtod); 377long kvm_arch_fault_in_page(struct kvm_vcpu *vcpu, gpa_t gpa, int writable); 378int kvm_s390_store_status_unloaded(struct kvm_vcpu *vcpu, unsigned long addr); 379int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr); 380int kvm_s390_vcpu_start(struct kvm_vcpu *vcpu); 381int kvm_s390_vcpu_stop(struct kvm_vcpu *vcpu); 382void kvm_s390_vcpu_block(struct kvm_vcpu *vcpu); 383void kvm_s390_vcpu_unblock(struct kvm_vcpu *vcpu); 384bool kvm_s390_vcpu_sie_inhibited(struct kvm_vcpu *vcpu); 385void exit_sie(struct kvm_vcpu *vcpu); 386void kvm_s390_sync_request(int req, struct kvm_vcpu *vcpu); 387int kvm_s390_vcpu_setup_cmma(struct kvm_vcpu *vcpu); 388void kvm_s390_vcpu_unsetup_cmma(struct kvm_vcpu *vcpu); 389void kvm_s390_set_cpu_timer(struct kvm_vcpu *vcpu, __u64 cputm); 390__u64 kvm_s390_get_cpu_timer(struct kvm_vcpu *vcpu); 391int kvm_s390_cpus_from_pv(struct kvm *kvm, u16 *rc, u16 *rrc); 392 393/* implemented in diag.c */ 394int kvm_s390_handle_diag(struct kvm_vcpu *vcpu); 395 396static inline void kvm_s390_vcpu_block_all(struct kvm *kvm) 397{ 398 unsigned long i; 399 struct kvm_vcpu *vcpu; 400 401 WARN_ON(!mutex_is_locked(&kvm->lock)); 402 kvm_for_each_vcpu(i, vcpu, kvm) 403 kvm_s390_vcpu_block(vcpu); 404} 405 406static inline void kvm_s390_vcpu_unblock_all(struct kvm *kvm) 407{ 408 unsigned long i; 409 struct kvm_vcpu *vcpu; 410 411 kvm_for_each_vcpu(i, vcpu, kvm) 412 kvm_s390_vcpu_unblock(vcpu); 413} 414 415static inline u64 kvm_s390_get_tod_clock_fast(struct kvm *kvm) 416{ 417 u64 rc; 418 419 preempt_disable(); 420 rc = get_tod_clock_fast() + kvm->arch.epoch; 421 preempt_enable(); 422 return rc; 423} 424 425/** 426 * kvm_s390_inject_prog_cond - conditionally inject a program check 427 * @vcpu: virtual cpu 428 * @rc: original return/error code 429 * 430 * This function is supposed to be used after regular guest access functions 431 * failed, to conditionally inject a program check to a vcpu. The typical 432 * pattern would look like 433 * 434 * rc = write_guest(vcpu, addr, data, len); 435 * if (rc) 436 * return kvm_s390_inject_prog_cond(vcpu, rc); 437 * 438 * A negative return code from guest access functions implies an internal error 439 * like e.g. out of memory. In these cases no program check should be injected 440 * to the guest. 441 * A positive value implies that an exception happened while accessing a guest's 442 * memory. In this case all data belonging to the corresponding program check 443 * has been stored in vcpu->arch.pgm and can be injected with 444 * kvm_s390_inject_prog_irq(). 445 * 446 * Returns: - the original @rc value if @rc was negative (internal error) 447 * - zero if @rc was already zero 448 * - zero or error code from injecting if @rc was positive 449 * (program check injected to @vcpu) 450 */ 451static inline int kvm_s390_inject_prog_cond(struct kvm_vcpu *vcpu, int rc) 452{ 453 if (rc <= 0) 454 return rc; 455 return kvm_s390_inject_prog_irq(vcpu, &vcpu->arch.pgm); 456} 457 458int s390int_to_s390irq(struct kvm_s390_interrupt *s390int, 459 struct kvm_s390_irq *s390irq); 460 461/* implemented in interrupt.c */ 462int kvm_s390_vcpu_has_irq(struct kvm_vcpu *vcpu, int exclude_stop); 463int psw_extint_disabled(struct kvm_vcpu *vcpu); 464void kvm_s390_destroy_adapters(struct kvm *kvm); 465int kvm_s390_ext_call_pending(struct kvm_vcpu *vcpu); 466extern struct kvm_device_ops kvm_flic_ops; 467int kvm_s390_is_stop_irq_pending(struct kvm_vcpu *vcpu); 468int kvm_s390_is_restart_irq_pending(struct kvm_vcpu *vcpu); 469void kvm_s390_clear_stop_irq(struct kvm_vcpu *vcpu); 470int kvm_s390_set_irq_state(struct kvm_vcpu *vcpu, 471 void __user *buf, int len); 472int kvm_s390_get_irq_state(struct kvm_vcpu *vcpu, 473 __u8 __user *buf, int len); 474void kvm_s390_gisa_init(struct kvm *kvm); 475void kvm_s390_gisa_clear(struct kvm *kvm); 476void kvm_s390_gisa_destroy(struct kvm *kvm); 477void kvm_s390_gisa_disable(struct kvm *kvm); 478void kvm_s390_gisa_enable(struct kvm *kvm); 479int __init kvm_s390_gib_init(u8 nisc); 480void kvm_s390_gib_destroy(void); 481 482/* implemented in guestdbg.c */ 483void kvm_s390_backup_guest_per_regs(struct kvm_vcpu *vcpu); 484void kvm_s390_restore_guest_per_regs(struct kvm_vcpu *vcpu); 485void kvm_s390_patch_guest_per_regs(struct kvm_vcpu *vcpu); 486int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu, 487 struct kvm_guest_debug *dbg); 488void kvm_s390_clear_bp_data(struct kvm_vcpu *vcpu); 489void kvm_s390_prepare_debug_exit(struct kvm_vcpu *vcpu); 490int kvm_s390_handle_per_ifetch_icpt(struct kvm_vcpu *vcpu); 491int kvm_s390_handle_per_event(struct kvm_vcpu *vcpu); 492 493/* support for Basic/Extended SCA handling */ 494static inline union ipte_control *kvm_s390_get_ipte_control(struct kvm *kvm) 495{ 496 struct bsca_block *sca = kvm->arch.sca; /* SCA version doesn't matter */ 497 498 return &sca->ipte_control; 499} 500static inline int kvm_s390_use_sca_entries(void) 501{ 502 /* 503 * Without SIGP interpretation, only SRS interpretation (if available) 504 * might use the entries. By not setting the entries and keeping them 505 * invalid, hardware will not access them but intercept. 506 */ 507 return sclp.has_sigpif; 508} 509void kvm_s390_reinject_machine_check(struct kvm_vcpu *vcpu, 510 struct mcck_volatile_info *mcck_info); 511 512/** 513 * kvm_s390_vcpu_crypto_reset_all 514 * 515 * Reset the crypto attributes for each vcpu. This can be done while the vcpus 516 * are running as each vcpu will be removed from SIE before resetting the crypt 517 * attributes and restored to SIE afterward. 518 * 519 * Note: The kvm->lock must be held while calling this function 520 * 521 * @kvm: the KVM guest 522 */ 523void kvm_s390_vcpu_crypto_reset_all(struct kvm *kvm); 524 525/** 526 * kvm_s390_vcpu_pci_enable_interp 527 * 528 * Set the associated PCI attributes for each vcpu to allow for zPCI Load/Store 529 * interpretation as well as adapter interruption forwarding. 530 * 531 * @kvm: the KVM guest 532 */ 533void kvm_s390_vcpu_pci_enable_interp(struct kvm *kvm); 534 535/** 536 * diag9c_forwarding_hz 537 * 538 * Set the maximum number of diag9c forwarding per second 539 */ 540extern unsigned int diag9c_forwarding_hz; 541 542#endif 543