git.oblomov.eu Git - linux-2.6/blob - arch/ia64/kvm/kvm_fw.c

   1 /*
   2  * PAL/SAL call delegation
   3  *
   4  * Copyright (c) 2004 Li Susie <susie.li@intel.com>
   5  * Copyright (c) 2005 Yu Ke <ke.yu@intel.com>
   6  * Copyright (c) 2007 Xiantao Zhang <xiantao.zhang@intel.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms and conditions of the GNU General Public License,
  10  * version 2, as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19  * Place - Suite 330, Boston, MA 02111-1307 USA.
  20  */
  21
  22 #include <linux/kvm_host.h>
  23 #include <linux/smp.h>
  24
  25 #include "vti.h"
  26 #include "misc.h"
  27
  28 #include <asm/pal.h>
  29 #include <asm/sal.h>
  30 #include <asm/tlb.h>
  31
  32 /*
  33  * Handy macros to make sure that the PAL return values start out
  34  * as something meaningful.
  35  */
  36 #define INIT_PAL_STATUS_UNIMPLEMENTED(x)                \
  37         {                                               \
  38                 x.status = PAL_STATUS_UNIMPLEMENTED;    \
  39                 x.v0 = 0;                               \
  40                 x.v1 = 0;                               \
  41                 x.v2 = 0;                               \
  42         }
  43
  44 #define INIT_PAL_STATUS_SUCCESS(x)                      \
  45         {                                               \
  46                 x.status = PAL_STATUS_SUCCESS;          \
  47                 x.v0 = 0;                               \
  48                 x.v1 = 0;                               \
  49                 x.v2 = 0;                               \
  50     }
  51
  52 static void kvm_get_pal_call_data(struct kvm_vcpu *vcpu,
  53                 u64 *gr28, u64 *gr29, u64 *gr30, u64 *gr31) {
  54         struct exit_ctl_data *p;
  55
  56         if (vcpu) {
  57                 p = &vcpu->arch.exit_data;
  58                 if (p->exit_reason == EXIT_REASON_PAL_CALL) {
  59                         *gr28 = p->u.pal_data.gr28;
  60                         *gr29 = p->u.pal_data.gr29;
  61                         *gr30 = p->u.pal_data.gr30;
  62                         *gr31 = p->u.pal_data.gr31;
  63                         return ;
  64                 }
  65         }
  66         printk(KERN_DEBUG"Failed to get vcpu pal data!!!\n");
  67 }
  68
  69 static void set_pal_result(struct kvm_vcpu *vcpu,
  70                 struct ia64_pal_retval result) {
  71
  72         struct exit_ctl_data *p;
  73
  74         p = kvm_get_exit_data(vcpu);
  75         if (p && p->exit_reason == EXIT_REASON_PAL_CALL) {
  76                 p->u.pal_data.ret = result;
  77                 return ;
  78         }
  79         INIT_PAL_STATUS_UNIMPLEMENTED(p->u.pal_data.ret);
  80 }
  81
  82 static void set_sal_result(struct kvm_vcpu *vcpu,
  83                 struct sal_ret_values result) {
  84         struct exit_ctl_data *p;
  85
  86         p = kvm_get_exit_data(vcpu);
  87         if (p && p->exit_reason == EXIT_REASON_SAL_CALL) {
  88                 p->u.sal_data.ret = result;
  89                 return ;
  90         }
  91         printk(KERN_WARNING"Failed to set sal result!!\n");
  92 }
  93
  94 struct cache_flush_args {
  95         u64 cache_type;
  96         u64 operation;
  97         u64 progress;
  98         long status;
  99 };
 100
 101 cpumask_t cpu_cache_coherent_map;
 102
 103 static void remote_pal_cache_flush(void *data)
 104 {
 105         struct cache_flush_args *args = data;
 106         long status;
 107         u64 progress = args->progress;
 108
 109         status = ia64_pal_cache_flush(args->cache_type, args->operation,
 110                                         &progress, NULL);
 111         if (status != 0)
 112         args->status = status;
 113 }
 114
 115 static struct ia64_pal_retval pal_cache_flush(struct kvm_vcpu *vcpu)
 116 {
 117         u64 gr28, gr29, gr30, gr31;
 118         struct ia64_pal_retval result = {0, 0, 0, 0};
 119         struct cache_flush_args args = {0, 0, 0, 0};
 120         long psr;
 121
 122         gr28 = gr29 = gr30 = gr31 = 0;
 123         kvm_get_pal_call_data(vcpu, &gr28, &gr29, &gr30, &gr31);
 124
 125         if (gr31 != 0)
 126                 printk(KERN_ERR"vcpu:%p called cache_flush error!\n", vcpu);
 127
 128         /* Always call Host Pal in int=1 */
 129         gr30 &= ~PAL_CACHE_FLUSH_CHK_INTRS;
 130         args.cache_type = gr29;
 131         args.operation = gr30;
 132         smp_call_function(remote_pal_cache_flush,
 133                                 (void *)&args, 1);
 134         if (args.status != 0)
 135                 printk(KERN_ERR"pal_cache_flush error!,"
 136                                 "status:0x%lx\n", args.status);
 137         /*
 138          * Call Host PAL cache flush
 139          * Clear psr.ic when call PAL_CACHE_FLUSH
 140          */
 141         local_irq_save(psr);
 142         result.status = ia64_pal_cache_flush(gr29, gr30, &result.v1,
 143                                                 &result.v0);
 144         local_irq_restore(psr);
 145         if (result.status != 0)
 146                 printk(KERN_ERR"vcpu:%p crashed due to cache_flush err:%ld"
 147                                 "in1:%lx,in2:%lx\n",
 148                                 vcpu, result.status, gr29, gr30);
 149
 150 #if 0
 151         if (gr29 == PAL_CACHE_TYPE_COHERENT) {
 152                 cpus_setall(vcpu->arch.cache_coherent_map);
 153                 cpu_clear(vcpu->cpu, vcpu->arch.cache_coherent_map);
 154                 cpus_setall(cpu_cache_coherent_map);
 155                 cpu_clear(vcpu->cpu, cpu_cache_coherent_map);
 156         }
 157 #endif
 158         return result;
 159 }
 160
 161 struct ia64_pal_retval pal_cache_summary(struct kvm_vcpu *vcpu)
 162 {
 163
 164         struct ia64_pal_retval result;
 165
 166         PAL_CALL(result, PAL_CACHE_SUMMARY, 0, 0, 0);
 167         return result;
 168 }
 169
 170 static struct ia64_pal_retval pal_freq_base(struct kvm_vcpu *vcpu)
 171 {
 172
 173         struct ia64_pal_retval result;
 174
 175         PAL_CALL(result, PAL_FREQ_BASE, 0, 0, 0);
 176
 177         /*
 178          * PAL_FREQ_BASE may not be implemented in some platforms,
 179          * call SAL instead.
 180          */
 181         if (result.v0 == 0) {
 182                 result.status = ia64_sal_freq_base(SAL_FREQ_BASE_PLATFORM,
 183                                                         &result.v0,
 184                                                         &result.v1);
 185                 result.v2 = 0;
 186         }
 187
 188         return result;
 189 }
 190
 191 static struct ia64_pal_retval pal_freq_ratios(struct kvm_vcpu *vcpu)
 192 {
 193
 194         struct ia64_pal_retval result;
 195
 196         PAL_CALL(result, PAL_FREQ_RATIOS, 0, 0, 0);
 197         return result;
 198 }
 199
 200 static struct ia64_pal_retval pal_logical_to_physica(struct kvm_vcpu *vcpu)
 201 {
 202         struct ia64_pal_retval result;
 203
 204         INIT_PAL_STATUS_UNIMPLEMENTED(result);
 205         return result;
 206 }
 207
 208 static struct ia64_pal_retval pal_platform_addr(struct kvm_vcpu *vcpu)
 209 {
 210
 211         struct ia64_pal_retval result;
 212
 213         INIT_PAL_STATUS_SUCCESS(result);
 214         return result;
 215 }
 216
 217 static struct ia64_pal_retval pal_proc_get_features(struct kvm_vcpu *vcpu)
 218 {
 219
 220         struct ia64_pal_retval result = {0, 0, 0, 0};
 221         long in0, in1, in2, in3;
 222
 223         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 224         result.status = ia64_pal_proc_get_features(&result.v0, &result.v1,
 225                         &result.v2, in2);
 226
 227         return result;
 228 }
 229
 230 static struct ia64_pal_retval pal_register_info(struct kvm_vcpu *vcpu)
 231 {
 232
 233         struct ia64_pal_retval result = {0, 0, 0, 0};
 234         long in0, in1, in2, in3;
 235
 236         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 237         result.status = ia64_pal_register_info(in1, &result.v1, &result.v2);
 238
 239         return result;
 240 }
 241
 242 static struct ia64_pal_retval pal_cache_info(struct kvm_vcpu *vcpu)
 243 {
 244
 245         pal_cache_config_info_t ci;
 246         long status;
 247         unsigned long in0, in1, in2, in3, r9, r10;
 248
 249         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 250         status = ia64_pal_cache_config_info(in1, in2, &ci);
 251         r9 = ci.pcci_info_1.pcci1_data;
 252         r10 = ci.pcci_info_2.pcci2_data;
 253         return ((struct ia64_pal_retval){status, r9, r10, 0});
 254 }
 255
 256 #define GUEST_IMPL_VA_MSB       59
 257 #define GUEST_RID_BITS          18
 258
 259 static struct ia64_pal_retval pal_vm_summary(struct kvm_vcpu *vcpu)
 260 {
 261
 262         pal_vm_info_1_u_t vminfo1;
 263         pal_vm_info_2_u_t vminfo2;
 264         struct ia64_pal_retval result;
 265
 266         PAL_CALL(result, PAL_VM_SUMMARY, 0, 0, 0);
 267         if (!result.status) {
 268                 vminfo1.pvi1_val = result.v0;
 269                 vminfo1.pal_vm_info_1_s.max_itr_entry = 8;
 270                 vminfo1.pal_vm_info_1_s.max_dtr_entry = 8;
 271                 result.v0 = vminfo1.pvi1_val;
 272                 vminfo2.pal_vm_info_2_s.impl_va_msb = GUEST_IMPL_VA_MSB;
 273                 vminfo2.pal_vm_info_2_s.rid_size = GUEST_RID_BITS;
 274                 result.v1 = vminfo2.pvi2_val;
 275         }
 276
 277         return result;
 278 }
 279
 280 static struct ia64_pal_retval pal_vm_info(struct kvm_vcpu *vcpu)
 281 {
 282         struct ia64_pal_retval result;
 283         unsigned long in0, in1, in2, in3;
 284
 285         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 286
 287         result.status = ia64_pal_vm_info(in1, in2,
 288                         (pal_tc_info_u_t *)&result.v1, &result.v2);
 289
 290         return result;
 291 }
 292
 293 static  u64 kvm_get_pal_call_index(struct kvm_vcpu *vcpu)
 294 {
 295         u64 index = 0;
 296         struct exit_ctl_data *p;
 297
 298         p = kvm_get_exit_data(vcpu);
 299         if (p && (p->exit_reason == EXIT_REASON_PAL_CALL))
 300                 index = p->u.pal_data.gr28;
 301
 302         return index;
 303 }
 304
 305 static void prepare_for_halt(struct kvm_vcpu *vcpu)
 306 {
 307         vcpu->arch.timer_pending = 1;
 308         vcpu->arch.timer_fired = 0;
 309 }
 310
 311 static struct ia64_pal_retval pal_perf_mon_info(struct kvm_vcpu *vcpu)
 312 {
 313         long status;
 314         unsigned long in0, in1, in2, in3, r9;
 315         unsigned long pm_buffer[16];
 316
 317         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 318         status = ia64_pal_perf_mon_info(pm_buffer,
 319                                 (pal_perf_mon_info_u_t *) &r9);
 320         if (status != 0) {
 321                 printk(KERN_DEBUG"PAL_PERF_MON_INFO fails ret=%ld\n", status);
 322         } else {
 323                 if (in1)
 324                         memcpy((void *)in1, pm_buffer, sizeof(pm_buffer));
 325                 else {
 326                         status = PAL_STATUS_EINVAL;
 327                         printk(KERN_WARNING"Invalid parameters "
 328                                                 "for PAL call:0x%lx!\n", in0);
 329                 }
 330         }
 331         return (struct ia64_pal_retval){status, r9, 0, 0};
 332 }
 333
 334 static struct ia64_pal_retval pal_halt_info(struct kvm_vcpu *vcpu)
 335 {
 336         unsigned long in0, in1, in2, in3;
 337         long status;
 338         unsigned long res = 1000UL | (1000UL << 16) | (10UL << 32)
 339                                         | (1UL << 61) | (1UL << 60);
 340
 341         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 342         if (in1) {
 343                 memcpy((void *)in1, &res, sizeof(res));
 344                 status = 0;
 345         } else{
 346                 status = PAL_STATUS_EINVAL;
 347                 printk(KERN_WARNING"Invalid parameters "
 348                                         "for PAL call:0x%lx!\n", in0);
 349         }
 350
 351         return (struct ia64_pal_retval){status, 0, 0, 0};
 352 }
 353
 354 static struct ia64_pal_retval pal_mem_attrib(struct kvm_vcpu *vcpu)
 355 {
 356         unsigned long r9;
 357         long status;
 358
 359         status = ia64_pal_mem_attrib(&r9);
 360
 361         return (struct ia64_pal_retval){status, r9, 0, 0};
 362 }
 363
 364 static void remote_pal_prefetch_visibility(void *v)
 365 {
 366         s64 trans_type = (s64)v;
 367         ia64_pal_prefetch_visibility(trans_type);
 368 }
 369
 370 static struct ia64_pal_retval pal_prefetch_visibility(struct kvm_vcpu *vcpu)
 371 {
 372         struct ia64_pal_retval result = {0, 0, 0, 0};
 373         unsigned long in0, in1, in2, in3;
 374         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 375         result.status = ia64_pal_prefetch_visibility(in1);
 376         if (result.status == 0) {
 377                 /* Must be performed on all remote processors
 378                 in the coherence domain. */
 379                 smp_call_function(remote_pal_prefetch_visibility,
 380                                         (void *)in1, 1);
 381                 /* Unnecessary on remote processor for other vcpus!*/
 382                 result.status = 1;
 383         }
 384         return result;
 385 }
 386
 387 static void remote_pal_mc_drain(void *v)
 388 {
 389         ia64_pal_mc_drain();
 390 }
 391
 392 static struct ia64_pal_retval pal_get_brand_info(struct kvm_vcpu *vcpu)
 393 {
 394         struct ia64_pal_retval result = {0, 0, 0, 0};
 395         unsigned long in0, in1, in2, in3;
 396
 397         kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
 398
 399         if (in1 == 0 && in2) {
 400                 char brand_info[128];
 401                 result.status = ia64_pal_get_brand_info(brand_info);
 402                 if (result.status == PAL_STATUS_SUCCESS)
 403                         memcpy((void *)in2, brand_info, 128);
 404         } else {
 405                 result.status = PAL_STATUS_REQUIRES_MEMORY;
 406                 printk(KERN_WARNING"Invalid parameters for "
 407                                         "PAL call:0x%lx!\n", in0);
 408         }
 409
 410         return result;
 411 }
 412
 413 int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
 414 {
 415
 416         u64 gr28;
 417         struct ia64_pal_retval result;
 418         int ret = 1;
 419
 420         gr28 = kvm_get_pal_call_index(vcpu);
 421         switch (gr28) {
 422         case PAL_CACHE_FLUSH:
 423                 result = pal_cache_flush(vcpu);
 424                 break;
 425         case PAL_MEM_ATTRIB:
 426                 result = pal_mem_attrib(vcpu);
 427                 break;
 428         case PAL_CACHE_SUMMARY:
 429                 result = pal_cache_summary(vcpu);
 430                 break;
 431         case PAL_PERF_MON_INFO:
 432                 result = pal_perf_mon_info(vcpu);
 433                 break;
 434         case PAL_HALT_INFO:
 435                 result = pal_halt_info(vcpu);
 436                 break;
 437         case PAL_HALT_LIGHT:
 438         {
 439                 INIT_PAL_STATUS_SUCCESS(result);
 440                 prepare_for_halt(vcpu);
 441                 if (kvm_highest_pending_irq(vcpu) == -1)
 442                         ret = kvm_emulate_halt(vcpu);
 443         }
 444                 break;
 445
 446         case PAL_PREFETCH_VISIBILITY:
 447                 result = pal_prefetch_visibility(vcpu);
 448                 break;
 449         case PAL_MC_DRAIN:
 450                 result.status = ia64_pal_mc_drain();
 451                 /* FIXME: All vcpus likely call PAL_MC_DRAIN.
 452                    That causes the congestion. */
 453                 smp_call_function(remote_pal_mc_drain, NULL, 1);
 454                 break;
 455
 456         case PAL_FREQ_RATIOS:
 457                 result = pal_freq_ratios(vcpu);
 458                 break;
 459
 460         case PAL_FREQ_BASE:
 461                 result = pal_freq_base(vcpu);
 462                 break;
 463
 464         case PAL_LOGICAL_TO_PHYSICAL :
 465                 result = pal_logical_to_physica(vcpu);
 466                 break;
 467
 468         case PAL_VM_SUMMARY :
 469                 result = pal_vm_summary(vcpu);
 470                 break;
 471
 472         case PAL_VM_INFO :
 473                 result = pal_vm_info(vcpu);
 474                 break;
 475         case PAL_PLATFORM_ADDR :
 476                 result = pal_platform_addr(vcpu);
 477                 break;
 478         case PAL_CACHE_INFO:
 479                 result = pal_cache_info(vcpu);
 480                 break;
 481         case PAL_PTCE_INFO:
 482                 INIT_PAL_STATUS_SUCCESS(result);
 483                 result.v1 = (1L << 32) | 1L;
 484                 break;
 485         case PAL_REGISTER_INFO:
 486                 result = pal_register_info(vcpu);
 487                 break;
 488         case PAL_VM_PAGE_SIZE:
 489                 result.status = ia64_pal_vm_page_size(&result.v0,
 490                                                         &result.v1);
 491                 break;
 492         case PAL_RSE_INFO:
 493                 result.status = ia64_pal_rse_info(&result.v0,
 494                                         (pal_hints_u_t *)&result.v1);
 495                 break;
 496         case PAL_PROC_GET_FEATURES:
 497                 result = pal_proc_get_features(vcpu);
 498                 break;
 499         case PAL_DEBUG_INFO:
 500                 result.status = ia64_pal_debug_info(&result.v0,
 501                                                         &result.v1);
 502                 break;
 503         case PAL_VERSION:
 504                 result.status = ia64_pal_version(
 505                                 (pal_version_u_t *)&result.v0,
 506                                 (pal_version_u_t *)&result.v1);
 507                 break;
 508         case PAL_FIXED_ADDR:
 509                 result.status = PAL_STATUS_SUCCESS;
 510                 result.v0 = vcpu->vcpu_id;
 511                 break;
 512         case PAL_BRAND_INFO:
 513                 result = pal_get_brand_info(vcpu);
 514                 break;
 515         case PAL_GET_PSTATE:
 516         case PAL_CACHE_SHARED_INFO:
 517                 INIT_PAL_STATUS_UNIMPLEMENTED(result);
 518                 break;
 519         default:
 520                 INIT_PAL_STATUS_UNIMPLEMENTED(result);
 521                 printk(KERN_WARNING"kvm: Unsupported pal call,"
 522                                         " index:0x%lx\n", gr28);
 523         }
 524         set_pal_result(vcpu, result);
 525         return ret;
 526 }
 527
 528 static struct sal_ret_values sal_emulator(struct kvm *kvm,
 529                                 long index, unsigned long in1,
 530                                 unsigned long in2, unsigned long in3,
 531                                 unsigned long in4, unsigned long in5,
 532                                 unsigned long in6, unsigned long in7)
 533 {
 534         unsigned long r9  = 0;
 535         unsigned long r10 = 0;
 536         long r11 = 0;
 537         long status;
 538
 539         status = 0;
 540         switch (index) {
 541         case SAL_FREQ_BASE:
 542                 status = ia64_sal_freq_base(in1, &r9, &r10);
 543                 break;
 544         case SAL_PCI_CONFIG_READ:
 545                 printk(KERN_WARNING"kvm: Not allowed to call here!"
 546                         " SAL_PCI_CONFIG_READ\n");
 547                 break;
 548         case SAL_PCI_CONFIG_WRITE:
 549                 printk(KERN_WARNING"kvm: Not allowed to call here!"
 550                         " SAL_PCI_CONFIG_WRITE\n");
 551                 break;
 552         case SAL_SET_VECTORS:
 553                 if (in1 == SAL_VECTOR_OS_BOOT_RENDEZ) {
 554                         if (in4 != 0 || in5 != 0 || in6 != 0 || in7 != 0) {
 555                                 status = -2;
 556                         } else {
 557                                 kvm->arch.rdv_sal_data.boot_ip = in2;
 558                                 kvm->arch.rdv_sal_data.boot_gp = in3;
 559                         }
 560                         printk("Rendvous called! iip:%lx\n\n", in2);
 561                 } else
 562                         printk(KERN_WARNING"kvm: CALLED SAL_SET_VECTORS %lu."
 563                                                         "ignored...\n", in1);
 564                 break;
 565         case SAL_GET_STATE_INFO:
 566                 /* No more info.  */
 567                 status = -5;
 568                 r9 = 0;
 569                 break;
 570         case SAL_GET_STATE_INFO_SIZE:
 571                 /* Return a dummy size.  */
 572                 status = 0;
 573                 r9 = 128;
 574                 break;
 575         case SAL_CLEAR_STATE_INFO:
 576                 /* Noop.  */
 577                 break;
 578         case SAL_MC_RENDEZ:
 579                 printk(KERN_WARNING
 580                         "kvm: called SAL_MC_RENDEZ. ignored...\n");
 581                 break;
 582         case SAL_MC_SET_PARAMS:
 583                 printk(KERN_WARNING
 584                         "kvm: called  SAL_MC_SET_PARAMS.ignored!\n");
 585                 break;
 586         case SAL_CACHE_FLUSH:
 587                 if (1) {
 588                         /*Flush using SAL.
 589                         This method is faster but has a side
 590                         effect on other vcpu running on
 591                         this cpu.  */
 592                         status = ia64_sal_cache_flush(in1);
 593                 } else {
 594                         /*Maybe need to implement the method
 595                         without side effect!*/
 596                         status = 0;
 597                 }
 598                 break;
 599         case SAL_CACHE_INIT:
 600                 printk(KERN_WARNING
 601                         "kvm: called SAL_CACHE_INIT.  ignored...\n");
 602                 break;
 603         case SAL_UPDATE_PAL:
 604                 printk(KERN_WARNING
 605                         "kvm: CALLED SAL_UPDATE_PAL.  ignored...\n");
 606                 break;
 607         default:
 608                 printk(KERN_WARNING"kvm: called SAL_CALL with unknown index."
 609                                                 " index:%ld\n", index);
 610                 status = -1;
 611                 break;
 612         }
 613         return ((struct sal_ret_values) {status, r9, r10, r11});
 614 }
 615
 616 static void kvm_get_sal_call_data(struct kvm_vcpu *vcpu, u64 *in0, u64 *in1,
 617                 u64 *in2, u64 *in3, u64 *in4, u64 *in5, u64 *in6, u64 *in7){
 618
 619         struct exit_ctl_data *p;
 620
 621         p = kvm_get_exit_data(vcpu);
 622
 623         if (p) {
 624                 if (p->exit_reason == EXIT_REASON_SAL_CALL) {
 625                         *in0 = p->u.sal_data.in0;
 626                         *in1 = p->u.sal_data.in1;
 627                         *in2 = p->u.sal_data.in2;
 628                         *in3 = p->u.sal_data.in3;
 629                         *in4 = p->u.sal_data.in4;
 630                         *in5 = p->u.sal_data.in5;
 631                         *in6 = p->u.sal_data.in6;
 632                         *in7 = p->u.sal_data.in7;
 633                         return ;
 634                 }
 635         }
 636         *in0 = 0;
 637 }
 638
 639 void kvm_sal_emul(struct kvm_vcpu *vcpu)
 640 {
 641
 642         struct sal_ret_values result;
 643         u64 index, in1, in2, in3, in4, in5, in6, in7;
 644
 645         kvm_get_sal_call_data(vcpu, &index, &in1, &in2,
 646                         &in3, &in4, &in5, &in6, &in7);
 647         result = sal_emulator(vcpu->kvm, index, in1, in2, in3,
 648                                         in4, in5, in6, in7);
 649         set_sal_result(vcpu, result);
 650 }