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_ABORTED -54 83 #define H_P2 -55 84 #define H_P3 -56 85 #define H_P4 -57 86 #define H_P5 -58 87 #define H_P6 -59 88 #define H_P7 -60 89 #define H_P8 -61 90 #define H_P9 -62 91 #define H_NOOP -63 92 #define H_TOO_BIG -64 93 #define H_UNSUPPORTED -67 94 #define H_OVERLAP -68 95 #define H_INTERRUPT -69 96 #define H_BAD_DATA -70 97 #define H_NOT_ACTIVE -71 98 #define H_SG_LIST -72 99 #define H_OP_MODE -73 100 #define H_COP_HW -74 101 #define H_STATE -75 102 #define H_IN_USE -77 103 #define H_UNSUPPORTED_FLAG_START -256 104 #define H_UNSUPPORTED_FLAG_END -511 105 #define H_MULTI_THREADS_ACTIVE -9005 106 #define H_OUTSTANDING_COP_OPS -9006 107 108 109 /* Long Busy is a condition that can be returned by the firmware 110 * when a call cannot be completed now, but the identical call 111 * should be retried later. This prevents calls blocking in the 112 * firmware for long periods of time. Annoyingly the firmware can return 113 * a range of return codes, hinting at how long we should wait before 114 * retrying. If you don't care for the hint, the macro below is a good 115 * way to check for the long_busy return codes 116 */ 117 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \ 118 && (x <= H_LONG_BUSY_END_RANGE)) 119 120 /* Flags */ 121 #define H_LARGE_PAGE (1UL<<(63-16)) 122 #define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */ 123 #define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */ 124 #define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */ 125 #define H_PAGE_STATE_CHANGE (1UL<<(63-28)) 126 #define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30))) 127 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED) 128 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31))) 129 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE 130 #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */ 131 #define H_ANDCOND (1UL<<(63-33)) 132 #define H_LOCAL (1UL<<(63-35)) 133 #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */ 134 #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */ 135 #define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */ 136 #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */ 137 #define H_COPY_PAGE (1UL<<(63-49)) 138 #define H_N (1UL<<(63-61)) 139 #define H_PP1 (1UL<<(63-62)) 140 #define H_PP2 (1UL<<(63-63)) 141 142 /* Flags for H_REGISTER_VPA subfunction field */ 143 #define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */ 144 #define H_VPA_FUNC_MASK 7UL 145 #define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */ 146 #define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */ 147 #define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */ 148 #define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */ 149 #define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */ 150 #define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */ 151 152 /* VASI States */ 153 #define H_VASI_INVALID 0 154 #define H_VASI_ENABLED 1 155 #define H_VASI_ABORTED 2 156 #define H_VASI_SUSPENDING 3 157 #define H_VASI_SUSPENDED 4 158 #define H_VASI_RESUMED 5 159 #define H_VASI_COMPLETED 6 160 161 /* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */ 162 #define H_VASI_SIGNAL_CANCEL 1 163 #define H_VASI_SIGNAL_ABORT 2 164 #define H_VASI_SIGNAL_SUSPEND 3 165 #define H_VASI_SIGNAL_COMPLETE 4 166 #define H_VASI_SIGNAL_ENABLE 5 167 #define H_VASI_SIGNAL_FAILOVER 6 168 169 /* Each control block has to be on a 4K boundary */ 170 #define H_CB_ALIGNMENT 4096 171 172 /* pSeries hypervisor opcodes */ 173 #define H_REMOVE 0x04 174 #define H_ENTER 0x08 175 #define H_READ 0x0c 176 #define H_CLEAR_MOD 0x10 177 #define H_CLEAR_REF 0x14 178 #define H_PROTECT 0x18 179 #define H_GET_TCE 0x1c 180 #define H_PUT_TCE 0x20 181 #define H_SET_SPRG0 0x24 182 #define H_SET_DABR 0x28 183 #define H_PAGE_INIT 0x2c 184 #define H_SET_ASR 0x30 185 #define H_ASR_ON 0x34 186 #define H_ASR_OFF 0x38 187 #define H_LOGICAL_CI_LOAD 0x3c 188 #define H_LOGICAL_CI_STORE 0x40 189 #define H_LOGICAL_CACHE_LOAD 0x44 190 #define H_LOGICAL_CACHE_STORE 0x48 191 #define H_LOGICAL_ICBI 0x4c 192 #define H_LOGICAL_DCBF 0x50 193 #define H_GET_TERM_CHAR 0x54 194 #define H_PUT_TERM_CHAR 0x58 195 #define H_REAL_TO_LOGICAL 0x5c 196 #define H_HYPERVISOR_DATA 0x60 197 #define H_EOI 0x64 198 #define H_CPPR 0x68 199 #define H_IPI 0x6c 200 #define H_IPOLL 0x70 201 #define H_XIRR 0x74 202 #define H_PERFMON 0x7c 203 #define H_MIGRATE_DMA 0x78 204 #define H_REGISTER_VPA 0xDC 205 #define H_CEDE 0xE0 206 #define H_CONFER 0xE4 207 #define H_PROD 0xE8 208 #define H_GET_PPP 0xEC 209 #define H_SET_PPP 0xF0 210 #define H_PURR 0xF4 211 #define H_PIC 0xF8 212 #define H_REG_CRQ 0xFC 213 #define H_FREE_CRQ 0x100 214 #define H_VIO_SIGNAL 0x104 215 #define H_SEND_CRQ 0x108 216 #define H_COPY_RDMA 0x110 217 #define H_REGISTER_LOGICAL_LAN 0x114 218 #define H_FREE_LOGICAL_LAN 0x118 219 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C 220 #define H_SEND_LOGICAL_LAN 0x120 221 #define H_BULK_REMOVE 0x124 222 #define H_MULTICAST_CTRL 0x130 223 #define H_SET_XDABR 0x134 224 #define H_STUFF_TCE 0x138 225 #define H_PUT_TCE_INDIRECT 0x13C 226 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C 227 #define H_VTERM_PARTNER_INFO 0x150 228 #define H_REGISTER_VTERM 0x154 229 #define H_FREE_VTERM 0x158 230 #define H_RESET_EVENTS 0x15C 231 #define H_ALLOC_RESOURCE 0x160 232 #define H_FREE_RESOURCE 0x164 233 #define H_MODIFY_QP 0x168 234 #define H_QUERY_QP 0x16C 235 #define H_REREGISTER_PMR 0x170 236 #define H_REGISTER_SMR 0x174 237 #define H_QUERY_MR 0x178 238 #define H_QUERY_MW 0x17C 239 #define H_QUERY_HCA 0x180 240 #define H_QUERY_PORT 0x184 241 #define H_MODIFY_PORT 0x188 242 #define H_DEFINE_AQP1 0x18C 243 #define H_GET_TRACE_BUFFER 0x190 244 #define H_DEFINE_AQP0 0x194 245 #define H_RESIZE_MR 0x198 246 #define H_ATTACH_MCQP 0x19C 247 #define H_DETACH_MCQP 0x1A0 248 #define H_CREATE_RPT 0x1A4 249 #define H_REMOVE_RPT 0x1A8 250 #define H_REGISTER_RPAGES 0x1AC 251 #define H_DISABLE_AND_GET 0x1B0 252 #define H_ERROR_DATA 0x1B4 253 #define H_GET_HCA_INFO 0x1B8 254 #define H_GET_PERF_COUNT 0x1BC 255 #define H_MANAGE_TRACE 0x1C0 256 #define H_GET_CPU_CHARACTERISTICS 0x1C8 257 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4 258 #define H_QUERY_INT_STATE 0x1E4 259 #define H_POLL_PENDING 0x1D8 260 #define H_ILLAN_ATTRIBUTES 0x244 261 #define H_MODIFY_HEA_QP 0x250 262 #define H_QUERY_HEA_QP 0x254 263 #define H_QUERY_HEA 0x258 264 #define H_QUERY_HEA_PORT 0x25C 265 #define H_MODIFY_HEA_PORT 0x260 266 #define H_REG_BCMC 0x264 267 #define H_DEREG_BCMC 0x268 268 #define H_REGISTER_HEA_RPAGES 0x26C 269 #define H_DISABLE_AND_GET_HEA 0x270 270 #define H_GET_HEA_INFO 0x274 271 #define H_ALLOC_HEA_RESOURCE 0x278 272 #define H_ADD_CONN 0x284 273 #define H_DEL_CONN 0x288 274 #define H_JOIN 0x298 275 #define H_VASI_SIGNAL 0x2A0 276 #define H_VASI_STATE 0x2A4 277 #define H_VIOCTL 0x2A8 278 #define H_ENABLE_CRQ 0x2B0 279 #define H_GET_EM_PARMS 0x2B8 280 #define H_SET_MPP 0x2D0 281 #define H_GET_MPP 0x2D4 282 #define H_REG_SUB_CRQ 0x2DC 283 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC 284 #define H_FREE_SUB_CRQ 0x2E0 285 #define H_SEND_SUB_CRQ 0x2E4 286 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8 287 #define H_BEST_ENERGY 0x2F4 288 #define H_XIRR_X 0x2FC 289 #define H_RANDOM 0x300 290 #define H_COP 0x304 291 #define H_GET_MPP_X 0x314 292 #define H_SET_MODE 0x31C 293 #define H_BLOCK_REMOVE 0x328 294 #define H_CLEAR_HPT 0x358 295 #define H_REQUEST_VMC 0x360 296 #define H_RESIZE_HPT_PREPARE 0x36C 297 #define H_RESIZE_HPT_COMMIT 0x370 298 #define H_REGISTER_PROC_TBL 0x37C 299 #define H_SIGNAL_SYS_RESET 0x380 300 #define H_ALLOCATE_VAS_WINDOW 0x388 301 #define H_MODIFY_VAS_WINDOW 0x38C 302 #define H_DEALLOCATE_VAS_WINDOW 0x390 303 #define H_QUERY_VAS_WINDOW 0x394 304 #define H_QUERY_VAS_CAPABILITIES 0x398 305 #define H_QUERY_NX_CAPABILITIES 0x39C 306 #define H_GET_NX_FAULT 0x3A0 307 #define H_INT_GET_SOURCE_INFO 0x3A8 308 #define H_INT_SET_SOURCE_CONFIG 0x3AC 309 #define H_INT_GET_SOURCE_CONFIG 0x3B0 310 #define H_INT_GET_QUEUE_INFO 0x3B4 311 #define H_INT_SET_QUEUE_CONFIG 0x3B8 312 #define H_INT_GET_QUEUE_CONFIG 0x3BC 313 #define H_INT_SET_OS_REPORTING_LINE 0x3C0 314 #define H_INT_GET_OS_REPORTING_LINE 0x3C4 315 #define H_INT_ESB 0x3C8 316 #define H_INT_SYNC 0x3CC 317 #define H_INT_RESET 0x3D0 318 #define H_SCM_READ_METADATA 0x3E4 319 #define H_SCM_WRITE_METADATA 0x3E8 320 #define H_SCM_BIND_MEM 0x3EC 321 #define H_SCM_UNBIND_MEM 0x3F0 322 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4 323 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8 324 #define H_SCM_UNBIND_ALL 0x3FC 325 #define H_SCM_HEALTH 0x400 326 #define H_SCM_PERFORMANCE_STATS 0x418 327 #define H_PKS_GET_CONFIG 0x41C 328 #define H_PKS_SET_PASSWORD 0x420 329 #define H_PKS_GEN_PASSWORD 0x424 330 #define H_PKS_WRITE_OBJECT 0x42C 331 #define H_PKS_GEN_KEY 0x430 332 #define H_PKS_READ_OBJECT 0x434 333 #define H_PKS_REMOVE_OBJECT 0x438 334 #define H_PKS_CONFIRM_OBJECT_FLUSHED 0x43C 335 #define H_RPT_INVALIDATE 0x448 336 #define H_SCM_FLUSH 0x44C 337 #define H_GET_ENERGY_SCALE_INFO 0x450 338 #define H_WATCHDOG 0x45C 339 #define MAX_HCALL_OPCODE H_WATCHDOG 340 341 /* Scope args for H_SCM_UNBIND_ALL */ 342 #define H_UNBIND_SCOPE_ALL (0x1) 343 #define H_UNBIND_SCOPE_DRC (0x2) 344 345 /* H_VIOCTL functions */ 346 #define H_GET_VIOA_DUMP_SIZE 0x01 347 #define H_GET_VIOA_DUMP 0x02 348 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03 349 #define H_GET_ILLAN_VLAN_ID_LIST 0x04 350 #define H_GET_ILLAN_SWITCH_ID 0x05 351 #define H_DISABLE_MIGRATION 0x06 352 #define H_ENABLE_MIGRATION 0x07 353 #define H_GET_PARTNER_INFO 0x08 354 #define H_GET_PARTNER_WWPN_LIST 0x09 355 #define H_DISABLE_ALL_VIO_INTS 0x0A 356 #define H_DISABLE_VIO_INTERRUPT 0x0B 357 #define H_ENABLE_VIO_INTERRUPT 0x0C 358 #define H_GET_SESSION_TOKEN 0x19 359 #define H_SESSION_ERR_DETECTED 0x1A 360 361 362 /* Platform specific hcalls, used by KVM */ 363 #define H_RTAS 0xf000 364 365 /* 366 * Platform specific hcalls, used by QEMU/SLOF. These are ignored by 367 * KVM and only kept here so we can identify them during tracing. 368 */ 369 #define H_LOGICAL_MEMOP 0xF001 370 #define H_CAS 0XF002 371 #define H_UPDATE_DT 0XF003 372 373 /* "Platform specific hcalls", provided by PHYP */ 374 #define H_GET_24X7_CATALOG_PAGE 0xF078 375 #define H_GET_24X7_DATA 0xF07C 376 #define H_GET_PERF_COUNTER_INFO 0xF080 377 378 /* Platform-specific hcalls used for nested HV KVM */ 379 #define H_SET_PARTITION_TABLE 0xF800 380 #define H_ENTER_NESTED 0xF804 381 #define H_TLB_INVALIDATE 0xF808 382 #define H_COPY_TOFROM_GUEST 0xF80C 383 384 /* Flags for H_SVM_PAGE_IN */ 385 #define H_PAGE_IN_SHARED 0x1 386 387 /* Platform-specific hcalls used by the Ultravisor */ 388 #define H_SVM_PAGE_IN 0xEF00 389 #define H_SVM_PAGE_OUT 0xEF04 390 #define H_SVM_INIT_START 0xEF08 391 #define H_SVM_INIT_DONE 0xEF0C 392 #define H_SVM_INIT_ABORT 0xEF14 393 394 /* Values for 2nd argument to H_SET_MODE */ 395 #define H_SET_MODE_RESOURCE_SET_CIABR 1 396 #define H_SET_MODE_RESOURCE_SET_DAWR0 2 397 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3 398 #define H_SET_MODE_RESOURCE_LE 4 399 #define H_SET_MODE_RESOURCE_SET_DAWR1 5 400 401 /* Values for argument to H_SIGNAL_SYS_RESET */ 402 #define H_SIGNAL_SYS_RESET_ALL -1 403 #define H_SIGNAL_SYS_RESET_ALL_OTHERS -2 404 /* >= 0 values are CPU number */ 405 406 /* H_GET_CPU_CHARACTERISTICS return values */ 407 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0 408 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1 409 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2 410 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3 411 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4 412 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5 413 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6 414 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7 415 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9 416 #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11 417 418 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0 419 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1 420 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2 421 #define H_CPU_BEHAV_FAVOUR_SECURITY_H (1ull << 60) // IBM bit 3 422 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5 423 #define H_CPU_BEHAV_FLUSH_LINK_STACK (1ull << 57) // IBM bit 6 424 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY (1ull << 56) // IBM bit 7 425 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8 426 #define H_CPU_BEHAV_NO_STF_BARRIER (1ull << 54) // IBM bit 9 427 428 /* Flag values used in H_REGISTER_PROC_TBL hcall */ 429 #define PROC_TABLE_OP_MASK 0x18 430 #define PROC_TABLE_DEREG 0x10 431 #define PROC_TABLE_NEW 0x18 432 #define PROC_TABLE_TYPE_MASK 0x06 433 #define PROC_TABLE_HPT_SLB 0x00 434 #define PROC_TABLE_HPT_PT 0x02 435 #define PROC_TABLE_RADIX 0x04 436 #define PROC_TABLE_GTSE 0x01 437 438 /* 439 * Defines for 440 * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information. 441 */ 442 443 /* Type of translation to invalidate (type) */ 444 #define H_RPTI_TYPE_NESTED 0x0001 /* Invalidate nested guest partition-scope */ 445 #define H_RPTI_TYPE_TLB 0x0002 /* Invalidate TLB */ 446 #define H_RPTI_TYPE_PWC 0x0004 /* Invalidate Page Walk Cache */ 447 /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */ 448 #define H_RPTI_TYPE_PRT 0x0008 449 /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */ 450 #define H_RPTI_TYPE_PAT 0x0008 451 #define H_RPTI_TYPE_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \ 452 H_RPTI_TYPE_PRT) 453 #define H_RPTI_TYPE_NESTED_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \ 454 H_RPTI_TYPE_PAT) 455 456 /* Invalidation targets (target) */ 457 #define H_RPTI_TARGET_CMMU 0x01 /* All virtual processors in the partition */ 458 #define H_RPTI_TARGET_CMMU_LOCAL 0x02 /* Current virtual processor */ 459 /* All nest/accelerator agents in use by the partition */ 460 #define H_RPTI_TARGET_NMMU 0x04 461 462 /* Page size mask (page sizes) */ 463 #define H_RPTI_PAGE_4K 0x01 464 #define H_RPTI_PAGE_64K 0x02 465 #define H_RPTI_PAGE_2M 0x04 466 #define H_RPTI_PAGE_1G 0x08 467 #define H_RPTI_PAGE_ALL (-1UL) 468 469 #ifndef __ASSEMBLY__ 470 #include <linux/types.h> 471 472 /** 473 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments 474 * @opcode: The hypervisor call to make. 475 * 476 * This call supports up to 7 arguments and only returns the status of 477 * the hcall. Use this version where possible, its slightly faster than 478 * the other plpar_hcalls. 479 */ 480 long plpar_hcall_norets(unsigned long opcode, ...); 481 482 /* Variant which does not do hcall tracing */ 483 long plpar_hcall_norets_notrace(unsigned long opcode, ...); 484 485 /** 486 * plpar_hcall: - Make a pseries hypervisor call 487 * @opcode: The hypervisor call to make. 488 * @retbuf: Buffer to store up to 4 return arguments in. 489 * 490 * This call supports up to 6 arguments and 4 return arguments. Use 491 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 492 * 493 * Used for all but the craziest of phyp interfaces (see plpar_hcall9) 494 */ 495 #define PLPAR_HCALL_BUFSIZE 4 496 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...); 497 498 /** 499 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats 500 * @opcode: The hypervisor call to make. 501 * @retbuf: Buffer to store up to 4 return arguments in. 502 * 503 * This call supports up to 6 arguments and 4 return arguments. Use 504 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 505 * 506 * Used when phyp interface needs to be called in real mode. Similar to 507 * plpar_hcall, but plpar_hcall_raw works in real mode and does not 508 * calculate hypervisor call statistics. 509 */ 510 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...); 511 512 /** 513 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments 514 * @opcode: The hypervisor call to make. 515 * @retbuf: Buffer to store up to 9 return arguments in. 516 * 517 * This call supports up to 9 arguments and 9 return arguments. Use 518 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer. 519 */ 520 #define PLPAR_HCALL9_BUFSIZE 9 521 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...); 522 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...); 523 524 /* pseries hcall tracing */ 525 extern struct static_key hcall_tracepoint_key; 526 void __trace_hcall_entry(unsigned long opcode, unsigned long *args); 527 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf); 528 529 struct hvcall_mpp_data { 530 unsigned long entitled_mem; 531 unsigned long mapped_mem; 532 unsigned short group_num; 533 unsigned short pool_num; 534 unsigned char mem_weight; 535 unsigned char unallocated_mem_weight; 536 unsigned long unallocated_entitlement; /* value in bytes */ 537 unsigned long pool_size; 538 signed long loan_request; 539 unsigned long backing_mem; 540 }; 541 542 int h_get_mpp(struct hvcall_mpp_data *); 543 544 struct hvcall_mpp_x_data { 545 unsigned long coalesced_bytes; 546 unsigned long pool_coalesced_bytes; 547 unsigned long pool_purr_cycles; 548 unsigned long pool_spurr_cycles; 549 unsigned long reserved[3]; 550 }; 551 552 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data); 553 554 static inline unsigned int get_longbusy_msecs(int longbusy_rc) 555 { 556 switch (longbusy_rc) { 557 case H_LONG_BUSY_ORDER_1_MSEC: 558 return 1; 559 case H_LONG_BUSY_ORDER_10_MSEC: 560 return 10; 561 case H_LONG_BUSY_ORDER_100_MSEC: 562 return 100; 563 case H_LONG_BUSY_ORDER_1_SEC: 564 return 1000; 565 case H_LONG_BUSY_ORDER_10_SEC: 566 return 10000; 567 case H_LONG_BUSY_ORDER_100_SEC: 568 return 100000; 569 default: 570 return 1; 571 } 572 } 573 574 struct h_cpu_char_result { 575 u64 character; 576 u64 behaviour; 577 }; 578 579 /* 580 * Register state for entering a nested guest with H_ENTER_NESTED. 581 * New member must be added at the end. 582 */ 583 struct hv_guest_state { 584 u64 version; /* version of this structure layout, must be first */ 585 u32 lpid; 586 u32 vcpu_token; 587 /* These registers are hypervisor privileged (at least for writing) */ 588 u64 lpcr; 589 u64 pcr; 590 u64 amor; 591 u64 dpdes; 592 u64 hfscr; 593 s64 tb_offset; 594 u64 dawr0; 595 u64 dawrx0; 596 u64 ciabr; 597 u64 hdec_expiry; 598 u64 purr; 599 u64 spurr; 600 u64 ic; 601 u64 vtb; 602 u64 hdar; 603 u64 hdsisr; 604 u64 heir; 605 u64 asdr; 606 /* These are OS privileged but need to be set late in guest entry */ 607 u64 srr0; 608 u64 srr1; 609 u64 sprg[4]; 610 u64 pidr; 611 u64 cfar; 612 u64 ppr; 613 /* Version 1 ends here */ 614 u64 dawr1; 615 u64 dawrx1; 616 /* Version 2 ends here */ 617 }; 618 619 /* Latest version of hv_guest_state structure */ 620 #define HV_GUEST_STATE_VERSION 2 621 622 static inline int hv_guest_state_size(unsigned int version) 623 { 624 switch (version) { 625 case 1: 626 return offsetofend(struct hv_guest_state, ppr); 627 case 2: 628 return offsetofend(struct hv_guest_state, dawrx1); 629 default: 630 return -1; 631 } 632 } 633 634 /* 635 * From the document "H_GetPerformanceCounterInfo Interface" v1.07 636 * 637 * H_GET_PERF_COUNTER_INFO argument 638 */ 639 struct hv_get_perf_counter_info_params { 640 __be32 counter_request; /* I */ 641 __be32 starting_index; /* IO */ 642 __be16 secondary_index; /* IO */ 643 __be16 returned_values; /* O */ 644 __be32 detail_rc; /* O, only needed when called via *_norets() */ 645 646 /* 647 * O, size each of counter_value element in bytes, only set for version 648 * >= 0x3 649 */ 650 __be16 cv_element_size; 651 652 /* I, 0 (zero) for versions < 0x3 */ 653 __u8 counter_info_version_in; 654 655 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */ 656 __u8 counter_info_version_out; 657 __u8 reserved[0xC]; 658 __u8 counter_value[]; 659 } __packed; 660 661 #define HGPCI_REQ_BUFFER_SIZE 4096 662 #define HGPCI_MAX_DATA_BYTES \ 663 (HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params)) 664 665 struct hv_gpci_request_buffer { 666 struct hv_get_perf_counter_info_params params; 667 uint8_t bytes[HGPCI_MAX_DATA_BYTES]; 668 } __packed; 669 670 #endif /* __ASSEMBLY__ */ 671 #endif /* __KERNEL__ */ 672 #endif /* _ASM_POWERPC_HVCALL_H */ 673