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_GET 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 H_RPT_INVALIDATE 0x448 309#define MAX_HCALL_OPCODE H_RPT_INVALIDATE 310 311/* Scope args for H_SCM_UNBIND_ALL */ 312#define H_UNBIND_SCOPE_ALL (0x1) 313#define H_UNBIND_SCOPE_DRC (0x2) 314 315/* H_VIOCTL functions */ 316#define H_GET_VIOA_DUMP_SIZE 0x01 317#define H_GET_VIOA_DUMP 0x02 318#define H_GET_ILLAN_NUM_VLAN_IDS 0x03 319#define H_GET_ILLAN_VLAN_ID_LIST 0x04 320#define H_GET_ILLAN_SWITCH_ID 0x05 321#define H_DISABLE_MIGRATION 0x06 322#define H_ENABLE_MIGRATION 0x07 323#define H_GET_PARTNER_INFO 0x08 324#define H_GET_PARTNER_WWPN_LIST 0x09 325#define H_DISABLE_ALL_VIO_INTS 0x0A 326#define H_DISABLE_VIO_INTERRUPT 0x0B 327#define H_ENABLE_VIO_INTERRUPT 0x0C 328#define H_GET_SESSION_TOKEN 0x19 329#define H_SESSION_ERR_DETECTED 0x1A 330 331 332/* Platform specific hcalls, used by KVM */ 333#define H_RTAS 0xf000 334 335/* "Platform specific hcalls", provided by PHYP */ 336#define H_GET_24X7_CATALOG_PAGE 0xF078 337#define H_GET_24X7_DATA 0xF07C 338#define H_GET_PERF_COUNTER_INFO 0xF080 339 340/* Platform-specific hcalls used for nested HV KVM */ 341#define H_SET_PARTITION_TABLE 0xF800 342#define H_ENTER_NESTED 0xF804 343#define H_TLB_INVALIDATE 0xF808 344#define H_COPY_TOFROM_GUEST 0xF80C 345 346/* Flags for H_SVM_PAGE_IN */ 347#define H_PAGE_IN_SHARED 0x1 348 349/* Platform-specific hcalls used by the Ultravisor */ 350#define H_SVM_PAGE_IN 0xEF00 351#define H_SVM_PAGE_OUT 0xEF04 352#define H_SVM_INIT_START 0xEF08 353#define H_SVM_INIT_DONE 0xEF0C 354#define H_SVM_INIT_ABORT 0xEF14 355 356/* Values for 2nd argument to H_SET_MODE */ 357#define H_SET_MODE_RESOURCE_SET_CIABR 1 358#define H_SET_MODE_RESOURCE_SET_DAWR0 2 359#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3 360#define H_SET_MODE_RESOURCE_LE 4 361#define H_SET_MODE_RESOURCE_SET_DAWR1 5 362 363/* Values for argument to H_SIGNAL_SYS_RESET */ 364#define H_SIGNAL_SYS_RESET_ALL -1 365#define H_SIGNAL_SYS_RESET_ALL_OTHERS -2 366/* >= 0 values are CPU number */ 367 368/* H_GET_CPU_CHARACTERISTICS return values */ 369#define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0 370#define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1 371#define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2 372#define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3 373#define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4 374#define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5 375#define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6 376#define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7 377#define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9 378#define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11 379 380#define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0 381#define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1 382#define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2 383#define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5 384#define H_CPU_BEHAV_FLUSH_LINK_STACK (1ull << 57) // IBM bit 6 385#define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY (1ull << 56) // IBM bit 7 386#define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8 387 388/* Flag values used in H_REGISTER_PROC_TBL hcall */ 389#define PROC_TABLE_OP_MASK 0x18 390#define PROC_TABLE_DEREG 0x10 391#define PROC_TABLE_NEW 0x18 392#define PROC_TABLE_TYPE_MASK 0x06 393#define PROC_TABLE_HPT_SLB 0x00 394#define PROC_TABLE_HPT_PT 0x02 395#define PROC_TABLE_RADIX 0x04 396#define PROC_TABLE_GTSE 0x01 397 398/* 399 * Defines for 400 * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information. 401 */ 402 403/* Type of translation to invalidate (type) */ 404#define H_RPTI_TYPE_NESTED 0x0001 /* Invalidate nested guest partition-scope */ 405#define H_RPTI_TYPE_TLB 0x0002 /* Invalidate TLB */ 406#define H_RPTI_TYPE_PWC 0x0004 /* Invalidate Page Walk Cache */ 407/* Invalidate Process Table Entries if H_RPTI_TYPE_NESTED is clear */ 408#define H_RPTI_TYPE_PRT 0x0008 409/* Invalidate Partition Table Entries if H_RPTI_TYPE_NESTED is set */ 410#define H_RPTI_TYPE_PAT 0x0008 411#define H_RPTI_TYPE_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \ 412 H_RPTI_TYPE_PRT) 413#define H_RPTI_TYPE_NESTED_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \ 414 H_RPTI_TYPE_PAT) 415 416/* Invalidation targets (target) */ 417#define H_RPTI_TARGET_CMMU 0x01 /* All virtual processors in the partition */ 418#define H_RPTI_TARGET_CMMU_LOCAL 0x02 /* Current virtual processor */ 419/* All nest/accelerator agents in use by the partition */ 420#define H_RPTI_TARGET_NMMU 0x04 421 422/* Page size mask (page sizes) */ 423#define H_RPTI_PAGE_4K 0x01 424#define H_RPTI_PAGE_64K 0x02 425#define H_RPTI_PAGE_2M 0x04 426#define H_RPTI_PAGE_1G 0x08 427#define H_RPTI_PAGE_ALL (-1UL) 428 429#ifndef __ASSEMBLY__ 430#include <linux/types.h> 431 432/** 433 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments 434 * @opcode: The hypervisor call to make. 435 * 436 * This call supports up to 7 arguments and only returns the status of 437 * the hcall. Use this version where possible, its slightly faster than 438 * the other plpar_hcalls. 439 */ 440long plpar_hcall_norets(unsigned long opcode, ...); 441 442/* Variant which does not do hcall tracing */ 443long plpar_hcall_norets_notrace(unsigned long opcode, ...); 444 445/** 446 * plpar_hcall: - Make a pseries hypervisor call 447 * @opcode: The hypervisor call to make. 448 * @retbuf: Buffer to store up to 4 return arguments in. 449 * 450 * This call supports up to 6 arguments and 4 return arguments. Use 451 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 452 * 453 * Used for all but the craziest of phyp interfaces (see plpar_hcall9) 454 */ 455#define PLPAR_HCALL_BUFSIZE 4 456long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...); 457 458/** 459 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats 460 * @opcode: The hypervisor call to make. 461 * @retbuf: Buffer to store up to 4 return arguments in. 462 * 463 * This call supports up to 6 arguments and 4 return arguments. Use 464 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 465 * 466 * Used when phyp interface needs to be called in real mode. Similar to 467 * plpar_hcall, but plpar_hcall_raw works in real mode and does not 468 * calculate hypervisor call statistics. 469 */ 470long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...); 471 472/** 473 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments 474 * @opcode: The hypervisor call to make. 475 * @retbuf: Buffer to store up to 9 return arguments in. 476 * 477 * This call supports up to 9 arguments and 9 return arguments. Use 478 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer. 479 */ 480#define PLPAR_HCALL9_BUFSIZE 9 481long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...); 482long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...); 483 484struct hvcall_mpp_data { 485 unsigned long entitled_mem; 486 unsigned long mapped_mem; 487 unsigned short group_num; 488 unsigned short pool_num; 489 unsigned char mem_weight; 490 unsigned char unallocated_mem_weight; 491 unsigned long unallocated_entitlement; /* value in bytes */ 492 unsigned long pool_size; 493 signed long loan_request; 494 unsigned long backing_mem; 495}; 496 497int h_get_mpp(struct hvcall_mpp_data *); 498 499struct hvcall_mpp_x_data { 500 unsigned long coalesced_bytes; 501 unsigned long pool_coalesced_bytes; 502 unsigned long pool_purr_cycles; 503 unsigned long pool_spurr_cycles; 504 unsigned long reserved[3]; 505}; 506 507int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data); 508 509static inline unsigned int get_longbusy_msecs(int longbusy_rc) 510{ 511 switch (longbusy_rc) { 512 case H_LONG_BUSY_ORDER_1_MSEC: 513 return 1; 514 case H_LONG_BUSY_ORDER_10_MSEC: 515 return 10; 516 case H_LONG_BUSY_ORDER_100_MSEC: 517 return 100; 518 case H_LONG_BUSY_ORDER_1_SEC: 519 return 1000; 520 case H_LONG_BUSY_ORDER_10_SEC: 521 return 10000; 522 case H_LONG_BUSY_ORDER_100_SEC: 523 return 100000; 524 default: 525 return 1; 526 } 527} 528 529struct h_cpu_char_result { 530 u64 character; 531 u64 behaviour; 532}; 533 534/* Register state for entering a nested guest with H_ENTER_NESTED */ 535struct hv_guest_state { 536 u64 version; /* version of this structure layout */ 537 u32 lpid; 538 u32 vcpu_token; 539 /* These registers are hypervisor privileged (at least for writing) */ 540 u64 lpcr; 541 u64 pcr; 542 u64 amor; 543 u64 dpdes; 544 u64 hfscr; 545 s64 tb_offset; 546 u64 dawr0; 547 u64 dawrx0; 548 u64 ciabr; 549 u64 hdec_expiry; 550 u64 purr; 551 u64 spurr; 552 u64 ic; 553 u64 vtb; 554 u64 hdar; 555 u64 hdsisr; 556 u64 heir; 557 u64 asdr; 558 /* These are OS privileged but need to be set late in guest entry */ 559 u64 srr0; 560 u64 srr1; 561 u64 sprg[4]; 562 u64 pidr; 563 u64 cfar; 564 u64 ppr; 565}; 566 567/* Latest version of hv_guest_state structure */ 568#define HV_GUEST_STATE_VERSION 1 569 570/* 571 * From the document "H_GetPerformanceCounterInfo Interface" v1.07 572 * 573 * H_GET_PERF_COUNTER_INFO argument 574 */ 575struct hv_get_perf_counter_info_params { 576 __be32 counter_request; /* I */ 577 __be32 starting_index; /* IO */ 578 __be16 secondary_index; /* IO */ 579 __be16 returned_values; /* O */ 580 __be32 detail_rc; /* O, only needed when called via *_norets() */ 581 582 /* 583 * O, size each of counter_value element in bytes, only set for version 584 * >= 0x3 585 */ 586 __be16 cv_element_size; 587 588 /* I, 0 (zero) for versions < 0x3 */ 589 __u8 counter_info_version_in; 590 591 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */ 592 __u8 counter_info_version_out; 593 __u8 reserved[0xC]; 594 __u8 counter_value[]; 595} __packed; 596 597#define HGPCI_REQ_BUFFER_SIZE 4096 598#define HGPCI_MAX_DATA_BYTES \ 599 (HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params)) 600 601struct hv_gpci_request_buffer { 602 struct hv_get_perf_counter_info_params params; 603 uint8_t bytes[HGPCI_MAX_DATA_BYTES]; 604} __packed; 605 606#endif /* __ASSEMBLY__ */ 607#endif /* __KERNEL__ */ 608#endif /* _ASM_POWERPC_HVCALL_H */ 609