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 #ifndef __ASSEMBLY__ 278 279 /** 280 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments 281 * @opcode: The hypervisor call to make. 282 * 283 * This call supports up to 7 arguments and only returns the status of 284 * the hcall. Use this version where possible, its slightly faster than 285 * the other plpar_hcalls. 286 */ 287 long plpar_hcall_norets(unsigned long opcode, ...); 288 289 /** 290 * plpar_hcall: - Make a pseries hypervisor call 291 * @opcode: The hypervisor call to make. 292 * @retbuf: Buffer to store up to 4 return arguments in. 293 * 294 * This call supports up to 6 arguments and 4 return arguments. Use 295 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 296 * 297 * Used for all but the craziest of phyp interfaces (see plpar_hcall9) 298 */ 299 #define PLPAR_HCALL_BUFSIZE 4 300 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...); 301 302 /** 303 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats 304 * @opcode: The hypervisor call to make. 305 * @retbuf: Buffer to store up to 4 return arguments in. 306 * 307 * This call supports up to 6 arguments and 4 return arguments. Use 308 * PLPAR_HCALL_BUFSIZE to size the return argument buffer. 309 * 310 * Used when phyp interface needs to be called in real mode. Similar to 311 * plpar_hcall, but plpar_hcall_raw works in real mode and does not 312 * calculate hypervisor call statistics. 313 */ 314 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...); 315 316 /** 317 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments 318 * @opcode: The hypervisor call to make. 319 * @retbuf: Buffer to store up to 9 return arguments in. 320 * 321 * This call supports up to 9 arguments and 9 return arguments. Use 322 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer. 323 */ 324 #define PLPAR_HCALL9_BUFSIZE 9 325 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...); 326 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...); 327 328 /* For hcall instrumentation. One structure per-hcall, per-CPU */ 329 struct hcall_stats { 330 unsigned long num_calls; /* number of calls (on this CPU) */ 331 unsigned long tb_total; /* total wall time (mftb) of calls. */ 332 unsigned long purr_total; /* total cpu time (PURR) of calls. */ 333 unsigned long tb_start; 334 unsigned long purr_start; 335 }; 336 #define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1) 337 338 struct hvcall_mpp_data { 339 unsigned long entitled_mem; 340 unsigned long mapped_mem; 341 unsigned short group_num; 342 unsigned short pool_num; 343 unsigned char mem_weight; 344 unsigned char unallocated_mem_weight; 345 unsigned long unallocated_entitlement; /* value in bytes */ 346 unsigned long pool_size; 347 signed long loan_request; 348 unsigned long backing_mem; 349 }; 350 351 int h_get_mpp(struct hvcall_mpp_data *); 352 353 struct hvcall_mpp_x_data { 354 unsigned long coalesced_bytes; 355 unsigned long pool_coalesced_bytes; 356 unsigned long pool_purr_cycles; 357 unsigned long pool_spurr_cycles; 358 unsigned long reserved[3]; 359 }; 360 361 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data); 362 363 static inline unsigned int get_longbusy_msecs(int longbusy_rc) 364 { 365 switch (longbusy_rc) { 366 case H_LONG_BUSY_ORDER_1_MSEC: 367 return 1; 368 case H_LONG_BUSY_ORDER_10_MSEC: 369 return 10; 370 case H_LONG_BUSY_ORDER_100_MSEC: 371 return 100; 372 case H_LONG_BUSY_ORDER_1_SEC: 373 return 1000; 374 case H_LONG_BUSY_ORDER_10_SEC: 375 return 10000; 376 case H_LONG_BUSY_ORDER_100_SEC: 377 return 100000; 378 default: 379 return 1; 380 } 381 } 382 383 #ifdef CONFIG_PPC_PSERIES 384 extern int CMO_PrPSP; 385 extern int CMO_SecPSP; 386 extern unsigned long CMO_PageSize; 387 388 static inline int cmo_get_primary_psp(void) 389 { 390 return CMO_PrPSP; 391 } 392 393 static inline int cmo_get_secondary_psp(void) 394 { 395 return CMO_SecPSP; 396 } 397 398 static inline unsigned long cmo_get_page_size(void) 399 { 400 return CMO_PageSize; 401 } 402 403 extern long pSeries_enable_reloc_on_exc(void); 404 extern long pSeries_disable_reloc_on_exc(void); 405 406 extern long pseries_big_endian_exceptions(void); 407 408 #else 409 410 #define pSeries_enable_reloc_on_exc() do {} while (0) 411 #define pSeries_disable_reloc_on_exc() do {} while (0) 412 413 #endif /* CONFIG_PPC_PSERIES */ 414 415 #endif /* __ASSEMBLY__ */ 416 #endif /* __KERNEL__ */ 417 #endif /* _ASM_POWERPC_HVCALL_H */ 418