1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_POWERPC_HVCALL_H 3 #define _ASM_POWERPC_HVCALL_H 4 #ifdef __KERNEL__ 5 6 #define HVSC .long 0x44000022 7 8 #define H_SUCCESS 0 9 #define H_BUSY 1 /* Hardware busy -- retry later */ 10 #define H_CLOSED 2 /* Resource closed */ 11 #define H_NOT_AVAILABLE 3 12 #define H_CONSTRAINED 4 /* Resource request constrained to max allowed */ 13 #define H_PARTIAL 5 14 #define H_IN_PROGRESS 14 /* Kind of like busy */ 15 #define H_PAGE_REGISTERED 15 16 #define H_PARTIAL_STORE 16 17 #define H_PENDING 17 /* returned from H_POLL_PENDING */ 18 #define H_CONTINUE 18 /* Returned from H_Join on success */ 19 #define H_LONG_BUSY_START_RANGE 9900 /* Start of long busy range */ 20 #define H_LONG_BUSY_ORDER_1_MSEC 9900 /* Long busy, hint that 1msec \ 21 is a good time to retry */ 22 #define H_LONG_BUSY_ORDER_10_MSEC 9901 /* Long busy, hint that 10msec \ 23 is a good time to retry */ 24 #define H_LONG_BUSY_ORDER_100_MSEC 9902 /* Long busy, hint that 100msec \ 25 is a good time to retry */ 26 #define H_LONG_BUSY_ORDER_1_SEC 9903 /* Long busy, hint that 1sec \ 27 is a good time to retry */ 28 #define H_LONG_BUSY_ORDER_10_SEC 9904 /* Long busy, hint that 10sec \ 29 is a good time to retry */ 30 #define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \ 31 is a good time to retry */ 32 #define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */ 33 34 /* Internal value used in book3s_hv kvm support; not returned to guests */ 35 #define H_TOO_HARD 9999 36 37 #define H_HARDWARE -1 /* Hardware error */ 38 #define H_FUNCTION -2 /* Function not supported */ 39 #define H_PRIVILEGE -3 /* Caller not privileged */ 40 #define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */ 41 #define H_BAD_MODE -5 /* Illegal msr value */ 42 #define H_PTEG_FULL -6 /* PTEG is full */ 43 #define H_NOT_FOUND -7 /* PTE was not found" */ 44 #define H_RESERVED_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */ 45 #define H_NO_MEM -9 46 #define H_AUTHORITY -10 47 #define H_PERMISSION -11 48 #define H_DROPPED -12 49 #define H_SOURCE_PARM -13 50 #define H_DEST_PARM -14 51 #define H_REMOTE_PARM -15 52 #define H_RESOURCE -16 53 #define H_ADAPTER_PARM -17 54 #define H_RH_PARM -18 55 #define H_RCQ_PARM -19 56 #define H_SCQ_PARM -20 57 #define H_EQ_PARM -21 58 #define H_RT_PARM -22 59 #define H_ST_PARM -23 60 #define H_SIGT_PARM -24 61 #define H_TOKEN_PARM -25 62 #define H_MLENGTH_PARM -27 63 #define H_MEM_PARM -28 64 #define H_MEM_ACCESS_PARM -29 65 #define H_ATTR_PARM -30 66 #define H_PORT_PARM -31 67 #define H_MCG_PARM -32 68 #define H_VL_PARM -33 69 #define H_TSIZE_PARM -34 70 #define H_TRACE_PARM -35 71 72 #define H_MASK_PARM -37 73 #define H_MCG_FULL -38 74 #define H_ALIAS_EXIST -39 75 #define H_P_COUNTER -40 76 #define H_TABLE_FULL -41 77 #define H_ALT_TABLE -42 78 #define H_MR_CONDITION -43 79 #define H_NOT_ENOUGH_RESOURCES -44 80 #define H_R_STATE -45 81 #define H_RESCINDED -46 82 #define H_P2 -55 83 #define H_P3 -56 84 #define H_P4 -57 85 #define H_P5 -58 86 #define H_P6 -59 87 #define H_P7 -60 88 #define H_P8 -61 89 #define H_P9 -62 90 #define H_TOO_BIG -64 91 #define H_UNSUPPORTED -67 92 #define H_OVERLAP -68 93 #define H_INTERRUPT -69 94 #define H_BAD_DATA -70 95 #define H_NOT_ACTIVE -71 96 #define H_SG_LIST -72 97 #define H_OP_MODE -73 98 #define H_COP_HW -74 99 #define H_STATE -75 100 #define H_UNSUPPORTED_FLAG_START -256 101 #define H_UNSUPPORTED_FLAG_END -511 102 #define H_MULTI_THREADS_ACTIVE -9005 103 #define H_OUTSTANDING_COP_OPS -9006 104 105 106 /* Long Busy is a condition that can be returned by the firmware 107 * when a call cannot be completed now, but the identical call 108 * should be retried later. This prevents calls blocking in the 109 * firmware for long periods of time. Annoyingly the firmware can return 110 * a range of return codes, hinting at how long we should wait before 111 * retrying. If you don't care for the hint, the macro below is a good 112 * way to check for the long_busy return codes 113 */ 114 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \ 115 && (x <= H_LONG_BUSY_END_RANGE)) 116 117 /* Flags */ 118 #define H_LARGE_PAGE (1UL<<(63-16)) 119 #define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */ 120 #define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */ 121 #define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */ 122 #define H_PAGE_STATE_CHANGE (1UL<<(63-28)) 123 #define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30))) 124 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED) 125 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31))) 126 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE 127 #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */ 128 #define H_ANDCOND (1UL<<(63-33)) 129 #define H_LOCAL (1UL<<(63-35)) 130 #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */ 131 #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */ 132 #define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */ 133 #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */ 134 #define H_COPY_PAGE (1UL<<(63-49)) 135 #define H_N (1UL<<(63-61)) 136 #define H_PP1 (1UL<<(63-62)) 137 #define H_PP2 (1UL<<(63-63)) 138 139 /* Flags for H_REGISTER_VPA subfunction field */ 140 #define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */ 141 #define H_VPA_FUNC_MASK 7UL 142 #define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */ 143 #define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */ 144 #define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */ 145 #define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */ 146 #define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */ 147 #define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */ 148 149 /* VASI States */ 150 #define H_VASI_INVALID 0 151 #define H_VASI_ENABLED 1 152 #define H_VASI_ABORTED 2 153 #define H_VASI_SUSPENDING 3 154 #define H_VASI_SUSPENDED 4 155 #define H_VASI_RESUMED 5 156 #define H_VASI_COMPLETED 6 157 158 /* Each control block has to be on a 4K boundary */ 159 #define H_CB_ALIGNMENT 4096 160 161 /* pSeries hypervisor opcodes */ 162 #define H_REMOVE 0x04 163 #define H_ENTER 0x08 164 #define H_READ 0x0c 165 #define H_CLEAR_MOD 0x10 166 #define H_CLEAR_REF 0x14 167 #define H_PROTECT 0x18 168 #define H_GET_TCE 0x1c 169 #define H_PUT_TCE 0x20 170 #define H_SET_SPRG0 0x24 171 #define H_SET_DABR 0x28 172 #define H_PAGE_INIT 0x2c 173 #define H_SET_ASR 0x30 174 #define H_ASR_ON 0x34 175 #define H_ASR_OFF 0x38 176 #define H_LOGICAL_CI_LOAD 0x3c 177 #define H_LOGICAL_CI_STORE 0x40 178 #define H_LOGICAL_CACHE_LOAD 0x44 179 #define H_LOGICAL_CACHE_STORE 0x48 180 #define H_LOGICAL_ICBI 0x4c 181 #define H_LOGICAL_DCBF 0x50 182 #define H_GET_TERM_CHAR 0x54 183 #define H_PUT_TERM_CHAR 0x58 184 #define H_REAL_TO_LOGICAL 0x5c 185 #define H_HYPERVISOR_DATA 0x60 186 #define H_EOI 0x64 187 #define H_CPPR 0x68 188 #define H_IPI 0x6c 189 #define H_IPOLL 0x70 190 #define H_XIRR 0x74 191 #define H_PERFMON 0x7c 192 #define H_MIGRATE_DMA 0x78 193 #define H_REGISTER_VPA 0xDC 194 #define H_CEDE 0xE0 195 #define H_CONFER 0xE4 196 #define H_PROD 0xE8 197 #define H_GET_PPP 0xEC 198 #define H_SET_PPP 0xF0 199 #define H_PURR 0xF4 200 #define H_PIC 0xF8 201 #define H_REG_CRQ 0xFC 202 #define H_FREE_CRQ 0x100 203 #define H_VIO_SIGNAL 0x104 204 #define H_SEND_CRQ 0x108 205 #define H_COPY_RDMA 0x110 206 #define H_REGISTER_LOGICAL_LAN 0x114 207 #define H_FREE_LOGICAL_LAN 0x118 208 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C 209 #define H_SEND_LOGICAL_LAN 0x120 210 #define H_BULK_REMOVE 0x124 211 #define H_MULTICAST_CTRL 0x130 212 #define H_SET_XDABR 0x134 213 #define H_STUFF_TCE 0x138 214 #define H_PUT_TCE_INDIRECT 0x13C 215 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C 216 #define H_VTERM_PARTNER_INFO 0x150 217 #define H_REGISTER_VTERM 0x154 218 #define H_FREE_VTERM 0x158 219 #define H_RESET_EVENTS 0x15C 220 #define H_ALLOC_RESOURCE 0x160 221 #define H_FREE_RESOURCE 0x164 222 #define H_MODIFY_QP 0x168 223 #define H_QUERY_QP 0x16C 224 #define H_REREGISTER_PMR 0x170 225 #define H_REGISTER_SMR 0x174 226 #define H_QUERY_MR 0x178 227 #define H_QUERY_MW 0x17C 228 #define H_QUERY_HCA 0x180 229 #define H_QUERY_PORT 0x184 230 #define H_MODIFY_PORT 0x188 231 #define H_DEFINE_AQP1 0x18C 232 #define H_GET_TRACE_BUFFER 0x190 233 #define H_DEFINE_AQP0 0x194 234 #define H_RESIZE_MR 0x198 235 #define H_ATTACH_MCQP 0x19C 236 #define H_DETACH_MCQP 0x1A0 237 #define H_CREATE_RPT 0x1A4 238 #define H_REMOVE_RPT 0x1A8 239 #define H_REGISTER_RPAGES 0x1AC 240 #define H_DISABLE_AND_GETC 0x1B0 241 #define H_ERROR_DATA 0x1B4 242 #define H_GET_HCA_INFO 0x1B8 243 #define H_GET_PERF_COUNT 0x1BC 244 #define H_MANAGE_TRACE 0x1C0 245 #define H_GET_CPU_CHARACTERISTICS 0x1C8 246 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4 247 #define H_QUERY_INT_STATE 0x1E4 248 #define H_POLL_PENDING 0x1D8 249 #define H_ILLAN_ATTRIBUTES 0x244 250 #define H_MODIFY_HEA_QP 0x250 251 #define H_QUERY_HEA_QP 0x254 252 #define H_QUERY_HEA 0x258 253 #define H_QUERY_HEA_PORT 0x25C 254 #define H_MODIFY_HEA_PORT 0x260 255 #define H_REG_BCMC 0x264 256 #define H_DEREG_BCMC 0x268 257 #define H_REGISTER_HEA_RPAGES 0x26C 258 #define H_DISABLE_AND_GET_HEA 0x270 259 #define H_GET_HEA_INFO 0x274 260 #define H_ALLOC_HEA_RESOURCE 0x278 261 #define H_ADD_CONN 0x284 262 #define H_DEL_CONN 0x288 263 #define H_JOIN 0x298 264 #define H_VASI_STATE 0x2A4 265 #define H_VIOCTL 0x2A8 266 #define H_ENABLE_CRQ 0x2B0 267 #define H_GET_EM_PARMS 0x2B8 268 #define H_SET_MPP 0x2D0 269 #define H_GET_MPP 0x2D4 270 #define H_REG_SUB_CRQ 0x2DC 271 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC 272 #define H_FREE_SUB_CRQ 0x2E0 273 #define H_SEND_SUB_CRQ 0x2E4 274 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8 275 #define H_BEST_ENERGY 0x2F4 276 #define H_XIRR_X 0x2FC 277 #define H_RANDOM 0x300 278 #define H_COP 0x304 279 #define H_GET_MPP_X 0x314 280 #define H_SET_MODE 0x31C 281 #define H_BLOCK_REMOVE 0x328 282 #define H_CLEAR_HPT 0x358 283 #define H_REQUEST_VMC 0x360 284 #define H_RESIZE_HPT_PREPARE 0x36C 285 #define H_RESIZE_HPT_COMMIT 0x370 286 #define H_REGISTER_PROC_TBL 0x37C 287 #define H_SIGNAL_SYS_RESET 0x380 288 #define H_INT_GET_SOURCE_INFO 0x3A8 289 #define H_INT_SET_SOURCE_CONFIG 0x3AC 290 #define H_INT_GET_SOURCE_CONFIG 0x3B0 291 #define H_INT_GET_QUEUE_INFO 0x3B4 292 #define H_INT_SET_QUEUE_CONFIG 0x3B8 293 #define H_INT_GET_QUEUE_CONFIG 0x3BC 294 #define H_INT_SET_OS_REPORTING_LINE 0x3C0 295 #define H_INT_GET_OS_REPORTING_LINE 0x3C4 296 #define H_INT_ESB 0x3C8 297 #define H_INT_SYNC 0x3CC 298 #define H_INT_RESET 0x3D0 299 #define H_SCM_READ_METADATA 0x3E4 300 #define H_SCM_WRITE_METADATA 0x3E8 301 #define H_SCM_BIND_MEM 0x3EC 302 #define H_SCM_UNBIND_MEM 0x3F0 303 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4 304 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8 305 #define H_SCM_UNBIND_ALL 0x3FC 306 #define H_SCM_HEALTH 0x400 307 #define H_SCM_PERFORMANCE_STATS 0x418 308 #define MAX_HCALL_OPCODE H_SCM_PERFORMANCE_STATS 309 310 /* Scope args for H_SCM_UNBIND_ALL */ 311 #define H_UNBIND_SCOPE_ALL (0x1) 312 #define H_UNBIND_SCOPE_DRC (0x2) 313 314 /* H_VIOCTL functions */ 315 #define H_GET_VIOA_DUMP_SIZE 0x01 316 #define H_GET_VIOA_DUMP 0x02 317 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03 318 #define H_GET_ILLAN_VLAN_ID_LIST 0x04 319 #define H_GET_ILLAN_SWITCH_ID 0x05 320 #define H_DISABLE_MIGRATION 0x06 321 #define H_ENABLE_MIGRATION 0x07 322 #define H_GET_PARTNER_INFO 0x08 323 #define H_GET_PARTNER_WWPN_LIST 0x09 324 #define H_DISABLE_ALL_VIO_INTS 0x0A 325 #define H_DISABLE_VIO_INTERRUPT 0x0B 326 #define H_ENABLE_VIO_INTERRUPT 0x0C 327 #define H_GET_SESSION_TOKEN 0x19 328 #define H_SESSION_ERR_DETECTED 0x1A 329 330 331 /* Platform specific hcalls, used by KVM */ 332 #define H_RTAS 0xf000 333 334 /* "Platform specific hcalls", provided by PHYP */ 335 #define H_GET_24X7_CATALOG_PAGE 0xF078 336 #define H_GET_24X7_DATA 0xF07C 337 #define H_GET_PERF_COUNTER_INFO 0xF080 338 339 /* Platform-specific hcalls used for nested HV KVM */ 340 #define H_SET_PARTITION_TABLE 0xF800 341 #define H_ENTER_NESTED 0xF804 342 #define H_TLB_INVALIDATE 0xF808 343 #define H_COPY_TOFROM_GUEST 0xF80C 344 345 /* Flags for H_SVM_PAGE_IN */ 346 #define H_PAGE_IN_SHARED 0x1 347 348 /* Platform-specific hcalls used by the Ultravisor */ 349 #define H_SVM_PAGE_IN 0xEF00 350 #define H_SVM_PAGE_OUT 0xEF04 351 #define H_SVM_INIT_START 0xEF08 352 #define H_SVM_INIT_DONE 0xEF0C 353 354 /* Values for 2nd argument to H_SET_MODE */ 355 #define H_SET_MODE_RESOURCE_SET_CIABR 1 356 #define H_SET_MODE_RESOURCE_SET_DAWR 2 357 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3 358 #define H_SET_MODE_RESOURCE_LE 4 359 360 /* Values for argument to H_SIGNAL_SYS_RESET */ 361 #define H_SIGNAL_SYS_RESET_ALL -1 362 #define H_SIGNAL_SYS_RESET_ALL_OTHERS -2 363 /* >= 0 values are CPU number */ 364 365 /* H_GET_CPU_CHARACTERISTICS return values */ 366 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0 367 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1 368 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2 369 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3 370 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4 371 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5 372 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6 373 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7 374 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9 375 376 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0 377 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1 378 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2 379 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5 380 381 /* Flag values used in H_REGISTER_PROC_TBL hcall */ 382 #define PROC_TABLE_OP_MASK 0x18 383 #define PROC_TABLE_DEREG 0x10 384 #define PROC_TABLE_NEW 0x18 385 #define PROC_TABLE_TYPE_MASK 0x06 386 #define PROC_TABLE_HPT_SLB 0x00 387 #define PROC_TABLE_HPT_PT 0x02 388 #define PROC_TABLE_RADIX 0x04 389 #define PROC_TABLE_GTSE 0x01 390 391 #ifndef __ASSEMBLY__ 392 #include <linux/types.h> 393 394 /** 395 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments 396 * @opcode: The hypervisor call to make. 397 * 398 * This call supports up to 7 arguments and only returns the status of 399 * the hcall. Use this version where possible, its slightly faster than 400 * the other plpar_hcalls. 401 */ 402 long plpar_hcall_norets(unsigned long opcode, ...); 403 404 /** 405 * plpar_hcall: - Make a pseries hypervisor call 406 * @opcode: The hypervisor call to make. 407 * @retbuf: Buffer to store up to 4 return arguments in. 408 * 409 * This call supports up to 6 arguments and 4 return arguments. Use 410 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 411 * 412 * Used for all but the craziest of phyp interfaces (see plpar_hcall9) 413 */ 414 #define PLPAR_HCALL_BUFSIZE 4 415 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...); 416 417 /** 418 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats 419 * @opcode: The hypervisor call to make. 420 * @retbuf: Buffer to store up to 4 return arguments in. 421 * 422 * This call supports up to 6 arguments and 4 return arguments. Use 423 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 424 * 425 * Used when phyp interface needs to be called in real mode. Similar to 426 * plpar_hcall, but plpar_hcall_raw works in real mode and does not 427 * calculate hypervisor call statistics. 428 */ 429 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...); 430 431 /** 432 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments 433 * @opcode: The hypervisor call to make. 434 * @retbuf: Buffer to store up to 9 return arguments in. 435 * 436 * This call supports up to 9 arguments and 9 return arguments. Use 437 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer. 438 */ 439 #define PLPAR_HCALL9_BUFSIZE 9 440 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...); 441 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...); 442 443 struct hvcall_mpp_data { 444 unsigned long entitled_mem; 445 unsigned long mapped_mem; 446 unsigned short group_num; 447 unsigned short pool_num; 448 unsigned char mem_weight; 449 unsigned char unallocated_mem_weight; 450 unsigned long unallocated_entitlement; /* value in bytes */ 451 unsigned long pool_size; 452 signed long loan_request; 453 unsigned long backing_mem; 454 }; 455 456 int h_get_mpp(struct hvcall_mpp_data *); 457 458 struct hvcall_mpp_x_data { 459 unsigned long coalesced_bytes; 460 unsigned long pool_coalesced_bytes; 461 unsigned long pool_purr_cycles; 462 unsigned long pool_spurr_cycles; 463 unsigned long reserved[3]; 464 }; 465 466 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data); 467 468 static inline unsigned int get_longbusy_msecs(int longbusy_rc) 469 { 470 switch (longbusy_rc) { 471 case H_LONG_BUSY_ORDER_1_MSEC: 472 return 1; 473 case H_LONG_BUSY_ORDER_10_MSEC: 474 return 10; 475 case H_LONG_BUSY_ORDER_100_MSEC: 476 return 100; 477 case H_LONG_BUSY_ORDER_1_SEC: 478 return 1000; 479 case H_LONG_BUSY_ORDER_10_SEC: 480 return 10000; 481 case H_LONG_BUSY_ORDER_100_SEC: 482 return 100000; 483 default: 484 return 1; 485 } 486 } 487 488 struct h_cpu_char_result { 489 u64 character; 490 u64 behaviour; 491 }; 492 493 /* Register state for entering a nested guest with H_ENTER_NESTED */ 494 struct hv_guest_state { 495 u64 version; /* version of this structure layout */ 496 u32 lpid; 497 u32 vcpu_token; 498 /* These registers are hypervisor privileged (at least for writing) */ 499 u64 lpcr; 500 u64 pcr; 501 u64 amor; 502 u64 dpdes; 503 u64 hfscr; 504 s64 tb_offset; 505 u64 dawr0; 506 u64 dawrx0; 507 u64 ciabr; 508 u64 hdec_expiry; 509 u64 purr; 510 u64 spurr; 511 u64 ic; 512 u64 vtb; 513 u64 hdar; 514 u64 hdsisr; 515 u64 heir; 516 u64 asdr; 517 /* These are OS privileged but need to be set late in guest entry */ 518 u64 srr0; 519 u64 srr1; 520 u64 sprg[4]; 521 u64 pidr; 522 u64 cfar; 523 u64 ppr; 524 }; 525 526 /* Latest version of hv_guest_state structure */ 527 #define HV_GUEST_STATE_VERSION 1 528 529 #endif /* __ASSEMBLY__ */ 530 #endif /* __KERNEL__ */ 531 #endif /* _ASM_POWERPC_HVCALL_H */ 532