1#ifndef _ASM_POWERPC_HVCALL_H 2#define _ASM_POWERPC_HVCALL_H 3#ifdef __KERNEL__ 4 5#define HVSC .long 0x44000022 6 7#define H_SUCCESS 0 8#define H_BUSY 1 /* Hardware busy -- retry later */ 9#define H_CLOSED 2 /* Resource closed */ 10#define H_NOT_AVAILABLE 3 11#define H_CONSTRAINED 4 /* Resource request constrained to max allowed */ 12#define H_PARTIAL 5 13#define H_IN_PROGRESS 14 /* Kind of like busy */ 14#define H_PAGE_REGISTERED 15 15#define H_PARTIAL_STORE 16 16#define H_PENDING 17 /* returned from H_POLL_PENDING */ 17#define H_CONTINUE 18 /* Returned from H_Join on success */ 18#define H_LONG_BUSY_START_RANGE 9900 /* Start of long busy range */ 19#define H_LONG_BUSY_ORDER_1_MSEC 9900 /* Long busy, hint that 1msec \ 20 is a good time to retry */ 21#define H_LONG_BUSY_ORDER_10_MSEC 9901 /* Long busy, hint that 10msec \ 22 is a good time to retry */ 23#define H_LONG_BUSY_ORDER_100_MSEC 9902 /* Long busy, hint that 100msec \ 24 is a good time to retry */ 25#define H_LONG_BUSY_ORDER_1_SEC 9903 /* Long busy, hint that 1sec \ 26 is a good time to retry */ 27#define H_LONG_BUSY_ORDER_10_SEC 9904 /* Long busy, hint that 10sec \ 28 is a good time to retry */ 29#define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \ 30 is a good time to retry */ 31#define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */ 32 33/* Internal value used in book3s_hv kvm support; not returned to guests */ 34#define H_TOO_HARD 9999 35 36#define H_HARDWARE -1 /* Hardware error */ 37#define H_FUNCTION -2 /* Function not supported */ 38#define H_PRIVILEGE -3 /* Caller not privileged */ 39#define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */ 40#define H_BAD_MODE -5 /* Illegal msr value */ 41#define H_PTEG_FULL -6 /* PTEG is full */ 42#define H_NOT_FOUND -7 /* PTE was not found" */ 43#define H_RESERVED_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */ 44#define H_NO_MEM -9 45#define H_AUTHORITY -10 46#define H_PERMISSION -11 47#define H_DROPPED -12 48#define H_SOURCE_PARM -13 49#define H_DEST_PARM -14 50#define H_REMOTE_PARM -15 51#define H_RESOURCE -16 52#define H_ADAPTER_PARM -17 53#define H_RH_PARM -18 54#define H_RCQ_PARM -19 55#define H_SCQ_PARM -20 56#define H_EQ_PARM -21 57#define H_RT_PARM -22 58#define H_ST_PARM -23 59#define H_SIGT_PARM -24 60#define H_TOKEN_PARM -25 61#define H_MLENGTH_PARM -27 62#define H_MEM_PARM -28 63#define H_MEM_ACCESS_PARM -29 64#define H_ATTR_PARM -30 65#define H_PORT_PARM -31 66#define H_MCG_PARM -32 67#define H_VL_PARM -33 68#define H_TSIZE_PARM -34 69#define H_TRACE_PARM -35 70 71#define H_MASK_PARM -37 72#define H_MCG_FULL -38 73#define H_ALIAS_EXIST -39 74#define H_P_COUNTER -40 75#define H_TABLE_FULL -41 76#define H_ALT_TABLE -42 77#define H_MR_CONDITION -43 78#define H_NOT_ENOUGH_RESOURCES -44 79#define H_R_STATE -45 80#define H_RESCINDED -46 81#define H_P2 -55 82#define H_P3 -56 83#define H_P4 -57 84#define H_P5 -58 85#define H_P6 -59 86#define H_P7 -60 87#define H_P8 -61 88#define H_P9 -62 89#define H_TOO_BIG -64 90#define H_OVERLAP -68 91#define H_INTERRUPT -69 92#define H_BAD_DATA -70 93#define H_NOT_ACTIVE -71 94#define H_SG_LIST -72 95#define H_OP_MODE -73 96#define H_COP_HW -74 97#define H_UNSUPPORTED_FLAG_START -256 98#define H_UNSUPPORTED_FLAG_END -511 99#define H_MULTI_THREADS_ACTIVE -9005 100#define H_OUTSTANDING_COP_OPS -9006 101 102 103/* Long Busy is a condition that can be returned by the firmware 104 * when a call cannot be completed now, but the identical call 105 * should be retried later. This prevents calls blocking in the 106 * firmware for long periods of time. Annoyingly the firmware can return 107 * a range of return codes, hinting at how long we should wait before 108 * retrying. If you don't care for the hint, the macro below is a good 109 * way to check for the long_busy return codes 110 */ 111#define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \ 112 && (x <= H_LONG_BUSY_END_RANGE)) 113 114/* Flags */ 115#define H_LARGE_PAGE (1UL<<(63-16)) 116#define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */ 117#define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */ 118#define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */ 119#define H_PAGE_STATE_CHANGE (1UL<<(63-28)) 120#define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30))) 121#define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED) 122#define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31))) 123#define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE 124#define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */ 125#define H_ANDCOND (1UL<<(63-33)) 126#define H_LOCAL (1UL<<(63-35)) 127#define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */ 128#define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */ 129#define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */ 130#define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */ 131#define H_COPY_PAGE (1UL<<(63-49)) 132#define H_N (1UL<<(63-61)) 133#define H_PP1 (1UL<<(63-62)) 134#define H_PP2 (1UL<<(63-63)) 135 136/* Flags for H_REGISTER_VPA subfunction field */ 137#define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */ 138#define H_VPA_FUNC_MASK 7UL 139#define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */ 140#define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */ 141#define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */ 142#define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */ 143#define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */ 144#define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */ 145 146/* VASI States */ 147#define H_VASI_INVALID 0 148#define H_VASI_ENABLED 1 149#define H_VASI_ABORTED 2 150#define H_VASI_SUSPENDING 3 151#define H_VASI_SUSPENDED 4 152#define H_VASI_RESUMED 5 153#define H_VASI_COMPLETED 6 154 155/* Each control block has to be on a 4K boundary */ 156#define H_CB_ALIGNMENT 4096 157 158/* pSeries hypervisor opcodes */ 159#define H_REMOVE 0x04 160#define H_ENTER 0x08 161#define H_READ 0x0c 162#define H_CLEAR_MOD 0x10 163#define H_CLEAR_REF 0x14 164#define H_PROTECT 0x18 165#define H_GET_TCE 0x1c 166#define H_PUT_TCE 0x20 167#define H_SET_SPRG0 0x24 168#define H_SET_DABR 0x28 169#define H_PAGE_INIT 0x2c 170#define H_SET_ASR 0x30 171#define H_ASR_ON 0x34 172#define H_ASR_OFF 0x38 173#define H_LOGICAL_CI_LOAD 0x3c 174#define H_LOGICAL_CI_STORE 0x40 175#define H_LOGICAL_CACHE_LOAD 0x44 176#define H_LOGICAL_CACHE_STORE 0x48 177#define H_LOGICAL_ICBI 0x4c 178#define H_LOGICAL_DCBF 0x50 179#define H_GET_TERM_CHAR 0x54 180#define H_PUT_TERM_CHAR 0x58 181#define H_REAL_TO_LOGICAL 0x5c 182#define H_HYPERVISOR_DATA 0x60 183#define H_EOI 0x64 184#define H_CPPR 0x68 185#define H_IPI 0x6c 186#define H_IPOLL 0x70 187#define H_XIRR 0x74 188#define H_PERFMON 0x7c 189#define H_MIGRATE_DMA 0x78 190#define H_REGISTER_VPA 0xDC 191#define H_CEDE 0xE0 192#define H_CONFER 0xE4 193#define H_PROD 0xE8 194#define H_GET_PPP 0xEC 195#define H_SET_PPP 0xF0 196#define H_PURR 0xF4 197#define H_PIC 0xF8 198#define H_REG_CRQ 0xFC 199#define H_FREE_CRQ 0x100 200#define H_VIO_SIGNAL 0x104 201#define H_SEND_CRQ 0x108 202#define H_COPY_RDMA 0x110 203#define H_REGISTER_LOGICAL_LAN 0x114 204#define H_FREE_LOGICAL_LAN 0x118 205#define H_ADD_LOGICAL_LAN_BUFFER 0x11C 206#define H_SEND_LOGICAL_LAN 0x120 207#define H_BULK_REMOVE 0x124 208#define H_MULTICAST_CTRL 0x130 209#define H_SET_XDABR 0x134 210#define H_STUFF_TCE 0x138 211#define H_PUT_TCE_INDIRECT 0x13C 212#define H_CHANGE_LOGICAL_LAN_MAC 0x14C 213#define H_VTERM_PARTNER_INFO 0x150 214#define H_REGISTER_VTERM 0x154 215#define H_FREE_VTERM 0x158 216#define H_RESET_EVENTS 0x15C 217#define H_ALLOC_RESOURCE 0x160 218#define H_FREE_RESOURCE 0x164 219#define H_MODIFY_QP 0x168 220#define H_QUERY_QP 0x16C 221#define H_REREGISTER_PMR 0x170 222#define H_REGISTER_SMR 0x174 223#define H_QUERY_MR 0x178 224#define H_QUERY_MW 0x17C 225#define H_QUERY_HCA 0x180 226#define H_QUERY_PORT 0x184 227#define H_MODIFY_PORT 0x188 228#define H_DEFINE_AQP1 0x18C 229#define H_GET_TRACE_BUFFER 0x190 230#define H_DEFINE_AQP0 0x194 231#define H_RESIZE_MR 0x198 232#define H_ATTACH_MCQP 0x19C 233#define H_DETACH_MCQP 0x1A0 234#define H_CREATE_RPT 0x1A4 235#define H_REMOVE_RPT 0x1A8 236#define H_REGISTER_RPAGES 0x1AC 237#define H_DISABLE_AND_GETC 0x1B0 238#define H_ERROR_DATA 0x1B4 239#define H_GET_HCA_INFO 0x1B8 240#define H_GET_PERF_COUNT 0x1BC 241#define H_MANAGE_TRACE 0x1C0 242#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4 243#define H_QUERY_INT_STATE 0x1E4 244#define H_POLL_PENDING 0x1D8 245#define H_ILLAN_ATTRIBUTES 0x244 246#define H_MODIFY_HEA_QP 0x250 247#define H_QUERY_HEA_QP 0x254 248#define H_QUERY_HEA 0x258 249#define H_QUERY_HEA_PORT 0x25C 250#define H_MODIFY_HEA_PORT 0x260 251#define H_REG_BCMC 0x264 252#define H_DEREG_BCMC 0x268 253#define H_REGISTER_HEA_RPAGES 0x26C 254#define H_DISABLE_AND_GET_HEA 0x270 255#define H_GET_HEA_INFO 0x274 256#define H_ALLOC_HEA_RESOURCE 0x278 257#define H_ADD_CONN 0x284 258#define H_DEL_CONN 0x288 259#define H_JOIN 0x298 260#define H_VASI_STATE 0x2A4 261#define H_ENABLE_CRQ 0x2B0 262#define H_GET_EM_PARMS 0x2B8 263#define H_SET_MPP 0x2D0 264#define H_GET_MPP 0x2D4 265#define H_HOME_NODE_ASSOCIATIVITY 0x2EC 266#define H_BEST_ENERGY 0x2F4 267#define H_XIRR_X 0x2FC 268#define H_RANDOM 0x300 269#define H_COP 0x304 270#define H_GET_MPP_X 0x314 271#define H_SET_MODE 0x31C 272#define MAX_HCALL_OPCODE H_SET_MODE 273 274/* Platform specific hcalls, used by KVM */ 275#define H_RTAS 0xf000 276 277/* "Platform specific hcalls", provided by PHYP */ 278#define H_GET_24X7_CATALOG_PAGE 0xF078 279#define H_GET_24X7_DATA 0xF07C 280#define H_GET_PERF_COUNTER_INFO 0xF080 281 282/* Values for 2nd argument to H_SET_MODE */ 283#define H_SET_MODE_RESOURCE_SET_CIABR 1 284#define H_SET_MODE_RESOURCE_SET_DAWR 2 285#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3 286#define H_SET_MODE_RESOURCE_LE 4 287 288#ifndef __ASSEMBLY__ 289 290/** 291 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments 292 * @opcode: The hypervisor call to make. 293 * 294 * This call supports up to 7 arguments and only returns the status of 295 * the hcall. Use this version where possible, its slightly faster than 296 * the other plpar_hcalls. 297 */ 298long plpar_hcall_norets(unsigned long opcode, ...); 299 300/** 301 * plpar_hcall: - Make a pseries hypervisor call 302 * @opcode: The hypervisor call to make. 303 * @retbuf: Buffer to store up to 4 return arguments in. 304 * 305 * This call supports up to 6 arguments and 4 return arguments. Use 306 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 307 * 308 * Used for all but the craziest of phyp interfaces (see plpar_hcall9) 309 */ 310#define PLPAR_HCALL_BUFSIZE 4 311long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...); 312 313/** 314 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats 315 * @opcode: The hypervisor call to make. 316 * @retbuf: Buffer to store up to 4 return arguments in. 317 * 318 * This call supports up to 6 arguments and 4 return arguments. Use 319 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 320 * 321 * Used when phyp interface needs to be called in real mode. Similar to 322 * plpar_hcall, but plpar_hcall_raw works in real mode and does not 323 * calculate hypervisor call statistics. 324 */ 325long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...); 326 327/** 328 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments 329 * @opcode: The hypervisor call to make. 330 * @retbuf: Buffer to store up to 9 return arguments in. 331 * 332 * This call supports up to 9 arguments and 9 return arguments. Use 333 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer. 334 */ 335#define PLPAR_HCALL9_BUFSIZE 9 336long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...); 337long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...); 338 339/* For hcall instrumentation. One structure per-hcall, per-CPU */ 340struct hcall_stats { 341 unsigned long num_calls; /* number of calls (on this CPU) */ 342 unsigned long tb_total; /* total wall time (mftb) of calls. */ 343 unsigned long purr_total; /* total cpu time (PURR) of calls. */ 344 unsigned long tb_start; 345 unsigned long purr_start; 346}; 347#define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1) 348 349struct hvcall_mpp_data { 350 unsigned long entitled_mem; 351 unsigned long mapped_mem; 352 unsigned short group_num; 353 unsigned short pool_num; 354 unsigned char mem_weight; 355 unsigned char unallocated_mem_weight; 356 unsigned long unallocated_entitlement; /* value in bytes */ 357 unsigned long pool_size; 358 signed long loan_request; 359 unsigned long backing_mem; 360}; 361 362int h_get_mpp(struct hvcall_mpp_data *); 363 364struct hvcall_mpp_x_data { 365 unsigned long coalesced_bytes; 366 unsigned long pool_coalesced_bytes; 367 unsigned long pool_purr_cycles; 368 unsigned long pool_spurr_cycles; 369 unsigned long reserved[3]; 370}; 371 372int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data); 373 374static inline unsigned int get_longbusy_msecs(int longbusy_rc) 375{ 376 switch (longbusy_rc) { 377 case H_LONG_BUSY_ORDER_1_MSEC: 378 return 1; 379 case H_LONG_BUSY_ORDER_10_MSEC: 380 return 10; 381 case H_LONG_BUSY_ORDER_100_MSEC: 382 return 100; 383 case H_LONG_BUSY_ORDER_1_SEC: 384 return 1000; 385 case H_LONG_BUSY_ORDER_10_SEC: 386 return 10000; 387 case H_LONG_BUSY_ORDER_100_SEC: 388 return 100000; 389 default: 390 return 1; 391 } 392} 393 394#ifdef CONFIG_PPC_PSERIES 395extern int CMO_PrPSP; 396extern int CMO_SecPSP; 397extern unsigned long CMO_PageSize; 398 399static inline int cmo_get_primary_psp(void) 400{ 401 return CMO_PrPSP; 402} 403 404static inline int cmo_get_secondary_psp(void) 405{ 406 return CMO_SecPSP; 407} 408 409static inline unsigned long cmo_get_page_size(void) 410{ 411 return CMO_PageSize; 412} 413 414extern long pSeries_enable_reloc_on_exc(void); 415extern long pSeries_disable_reloc_on_exc(void); 416 417extern long pseries_big_endian_exceptions(void); 418 419#else 420 421#define pSeries_enable_reloc_on_exc() do {} while (0) 422#define pSeries_disable_reloc_on_exc() do {} while (0) 423 424#endif /* CONFIG_PPC_PSERIES */ 425 426#endif /* __ASSEMBLY__ */ 427#endif /* __KERNEL__ */ 428#endif /* _ASM_POWERPC_HVCALL_H */ 429