1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * This program is free software; you can redistribute it and/or modify 4 * it under the terms of the GNU General Public License, version 2, as 5 * published by the Free Software Foundation. 6 * 7 * This program is distributed in the hope that it will be useful, 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 * GNU General Public License for more details. 11 * 12 * You should have received a copy of the GNU General Public License 13 * along with this program; if not, write to the Free Software 14 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 15 * 16 * Copyright IBM Corp. 2007 17 * 18 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 19 */ 20 21 #ifndef __LINUX_KVM_POWERPC_H 22 #define __LINUX_KVM_POWERPC_H 23 24 #include <linux/types.h> 25 26 /* Select powerpc specific features in <linux/kvm.h> */ 27 #define __KVM_HAVE_SPAPR_TCE 28 #define __KVM_HAVE_PPC_SMT 29 #define __KVM_HAVE_IRQCHIP 30 #define __KVM_HAVE_IRQ_LINE 31 32 /* Not always available, but if it is, this is the correct offset. */ 33 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 34 35 struct kvm_regs { 36 __u64 pc; 37 __u64 cr; 38 __u64 ctr; 39 __u64 lr; 40 __u64 xer; 41 __u64 msr; 42 __u64 srr0; 43 __u64 srr1; 44 __u64 pid; 45 46 __u64 sprg0; 47 __u64 sprg1; 48 __u64 sprg2; 49 __u64 sprg3; 50 __u64 sprg4; 51 __u64 sprg5; 52 __u64 sprg6; 53 __u64 sprg7; 54 55 __u64 gpr[32]; 56 }; 57 58 #define KVM_SREGS_E_IMPL_NONE 0 59 #define KVM_SREGS_E_IMPL_FSL 1 60 61 #define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */ 62 63 /* flags for kvm_run.flags */ 64 #define KVM_RUN_PPC_NMI_DISP_MASK (3 << 0) 65 #define KVM_RUN_PPC_NMI_DISP_FULLY_RECOV (1 << 0) 66 #define KVM_RUN_PPC_NMI_DISP_LIMITED_RECOV (2 << 0) 67 #define KVM_RUN_PPC_NMI_DISP_NOT_RECOV (3 << 0) 68 69 /* 70 * Feature bits indicate which sections of the sregs struct are valid, 71 * both in KVM_GET_SREGS and KVM_SET_SREGS. On KVM_SET_SREGS, registers 72 * corresponding to unset feature bits will not be modified. This allows 73 * restoring a checkpoint made without that feature, while keeping the 74 * default values of the new registers. 75 * 76 * KVM_SREGS_E_BASE contains: 77 * CSRR0/1 (refers to SRR2/3 on 40x) 78 * ESR 79 * DEAR 80 * MCSR 81 * TSR 82 * TCR 83 * DEC 84 * TB 85 * VRSAVE (USPRG0) 86 */ 87 #define KVM_SREGS_E_BASE (1 << 0) 88 89 /* 90 * KVM_SREGS_E_ARCH206 contains: 91 * 92 * PIR 93 * MCSRR0/1 94 * DECAR 95 * IVPR 96 */ 97 #define KVM_SREGS_E_ARCH206 (1 << 1) 98 99 /* 100 * Contains EPCR, plus the upper half of 64-bit registers 101 * that are 32-bit on 32-bit implementations. 102 */ 103 #define KVM_SREGS_E_64 (1 << 2) 104 105 #define KVM_SREGS_E_SPRG8 (1 << 3) 106 #define KVM_SREGS_E_MCIVPR (1 << 4) 107 108 /* 109 * IVORs are used -- contains IVOR0-15, plus additional IVORs 110 * in combination with an appropriate feature bit. 111 */ 112 #define KVM_SREGS_E_IVOR (1 << 5) 113 114 /* 115 * Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG. 116 * Also TLBnPS if MMUCFG[MAVN] = 1. 117 */ 118 #define KVM_SREGS_E_ARCH206_MMU (1 << 6) 119 120 /* DBSR, DBCR, IAC, DAC, DVC */ 121 #define KVM_SREGS_E_DEBUG (1 << 7) 122 123 /* Enhanced debug -- DSRR0/1, SPRG9 */ 124 #define KVM_SREGS_E_ED (1 << 8) 125 126 /* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */ 127 #define KVM_SREGS_E_SPE (1 << 9) 128 129 /* 130 * DEPRECATED! USE ONE_REG FOR THIS ONE! 131 * External Proxy (EXP) -- EPR 132 */ 133 #define KVM_SREGS_EXP (1 << 10) 134 135 /* External PID (E.PD) -- EPSC/EPLC */ 136 #define KVM_SREGS_E_PD (1 << 11) 137 138 /* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */ 139 #define KVM_SREGS_E_PC (1 << 12) 140 141 /* Page table (E.PT) -- EPTCFG */ 142 #define KVM_SREGS_E_PT (1 << 13) 143 144 /* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */ 145 #define KVM_SREGS_E_PM (1 << 14) 146 147 /* 148 * Special updates: 149 * 150 * Some registers may change even while a vcpu is not running. 151 * To avoid losing these changes, by default these registers are 152 * not updated by KVM_SET_SREGS. To force an update, set the bit 153 * in u.e.update_special corresponding to the register to be updated. 154 * 155 * The update_special field is zero on return from KVM_GET_SREGS. 156 * 157 * When restoring a checkpoint, the caller can set update_special 158 * to 0xffffffff to ensure that everything is restored, even new features 159 * that the caller doesn't know about. 160 */ 161 #define KVM_SREGS_E_UPDATE_MCSR (1 << 0) 162 #define KVM_SREGS_E_UPDATE_TSR (1 << 1) 163 #define KVM_SREGS_E_UPDATE_DEC (1 << 2) 164 #define KVM_SREGS_E_UPDATE_DBSR (1 << 3) 165 166 /* 167 * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a 168 * previous KVM_GET_REGS. 169 * 170 * Unless otherwise indicated, setting any register with KVM_SET_SREGS 171 * directly sets its value. It does not trigger any special semantics such 172 * as write-one-to-clear. Calling KVM_SET_SREGS on an unmodified struct 173 * just received from KVM_GET_SREGS is always a no-op. 174 */ 175 struct kvm_sregs { 176 __u32 pvr; 177 union { 178 struct { 179 __u64 sdr1; 180 struct { 181 struct { 182 __u64 slbe; 183 __u64 slbv; 184 } slb[64]; 185 } ppc64; 186 struct { 187 __u32 sr[16]; 188 __u64 ibat[8]; 189 __u64 dbat[8]; 190 } ppc32; 191 } s; 192 struct { 193 union { 194 struct { /* KVM_SREGS_E_IMPL_FSL */ 195 __u32 features; /* KVM_SREGS_E_FSL_ */ 196 __u32 svr; 197 __u64 mcar; 198 __u32 hid0; 199 200 /* KVM_SREGS_E_FSL_PIDn */ 201 __u32 pid1, pid2; 202 } fsl; 203 __u8 pad[256]; 204 } impl; 205 206 __u32 features; /* KVM_SREGS_E_ */ 207 __u32 impl_id; /* KVM_SREGS_E_IMPL_ */ 208 __u32 update_special; /* KVM_SREGS_E_UPDATE_ */ 209 __u32 pir; /* read-only */ 210 __u64 sprg8; 211 __u64 sprg9; /* E.ED */ 212 __u64 csrr0; 213 __u64 dsrr0; /* E.ED */ 214 __u64 mcsrr0; 215 __u32 csrr1; 216 __u32 dsrr1; /* E.ED */ 217 __u32 mcsrr1; 218 __u32 esr; 219 __u64 dear; 220 __u64 ivpr; 221 __u64 mcivpr; 222 __u64 mcsr; /* KVM_SREGS_E_UPDATE_MCSR */ 223 224 __u32 tsr; /* KVM_SREGS_E_UPDATE_TSR */ 225 __u32 tcr; 226 __u32 decar; 227 __u32 dec; /* KVM_SREGS_E_UPDATE_DEC */ 228 229 /* 230 * Userspace can read TB directly, but the 231 * value reported here is consistent with "dec". 232 * 233 * Read-only. 234 */ 235 __u64 tb; 236 237 __u32 dbsr; /* KVM_SREGS_E_UPDATE_DBSR */ 238 __u32 dbcr[3]; 239 /* 240 * iac/dac registers are 64bit wide, while this API 241 * interface provides only lower 32 bits on 64 bit 242 * processors. ONE_REG interface is added for 64bit 243 * iac/dac registers. 244 */ 245 __u32 iac[4]; 246 __u32 dac[2]; 247 __u32 dvc[2]; 248 __u8 num_iac; /* read-only */ 249 __u8 num_dac; /* read-only */ 250 __u8 num_dvc; /* read-only */ 251 __u8 pad; 252 253 __u32 epr; /* EXP */ 254 __u32 vrsave; /* a.k.a. USPRG0 */ 255 __u32 epcr; /* KVM_SREGS_E_64 */ 256 257 __u32 mas0; 258 __u32 mas1; 259 __u64 mas2; 260 __u64 mas7_3; 261 __u32 mas4; 262 __u32 mas6; 263 264 __u32 ivor_low[16]; /* IVOR0-15 */ 265 __u32 ivor_high[18]; /* IVOR32+, plus room to expand */ 266 267 __u32 mmucfg; /* read-only */ 268 __u32 eptcfg; /* E.PT, read-only */ 269 __u32 tlbcfg[4];/* read-only */ 270 __u32 tlbps[4]; /* read-only */ 271 272 __u32 eplc, epsc; /* E.PD */ 273 } e; 274 __u8 pad[1020]; 275 } u; 276 }; 277 278 struct kvm_fpu { 279 __u64 fpr[32]; 280 }; 281 282 /* 283 * Defines for h/w breakpoint, watchpoint (read, write or both) and 284 * software breakpoint. 285 * These are used as "type" in KVM_SET_GUEST_DEBUG ioctl and "status" 286 * for KVM_DEBUG_EXIT. 287 */ 288 #define KVMPPC_DEBUG_NONE 0x0 289 #define KVMPPC_DEBUG_BREAKPOINT (1UL << 1) 290 #define KVMPPC_DEBUG_WATCH_WRITE (1UL << 2) 291 #define KVMPPC_DEBUG_WATCH_READ (1UL << 3) 292 struct kvm_debug_exit_arch { 293 __u64 address; 294 /* 295 * exiting to userspace because of h/w breakpoint, watchpoint 296 * (read, write or both) and software breakpoint. 297 */ 298 __u32 status; 299 __u32 reserved; 300 }; 301 302 /* for KVM_SET_GUEST_DEBUG */ 303 struct kvm_guest_debug_arch { 304 struct { 305 /* H/W breakpoint/watchpoint address */ 306 __u64 addr; 307 /* 308 * Type denotes h/w breakpoint, read watchpoint, write 309 * watchpoint or watchpoint (both read and write). 310 */ 311 __u32 type; 312 __u32 reserved; 313 } bp[16]; 314 }; 315 316 /* Debug related defines */ 317 /* 318 * kvm_guest_debug->control is a 32 bit field. The lower 16 bits are generic 319 * and upper 16 bits are architecture specific. Architecture specific defines 320 * that ioctl is for setting hardware breakpoint or software breakpoint. 321 */ 322 #define KVM_GUESTDBG_USE_SW_BP 0x00010000 323 #define KVM_GUESTDBG_USE_HW_BP 0x00020000 324 325 /* definition of registers in kvm_run */ 326 struct kvm_sync_regs { 327 }; 328 329 #define KVM_INTERRUPT_SET -1U 330 #define KVM_INTERRUPT_UNSET -2U 331 #define KVM_INTERRUPT_SET_LEVEL -3U 332 333 #define KVM_CPU_440 1 334 #define KVM_CPU_E500V2 2 335 #define KVM_CPU_3S_32 3 336 #define KVM_CPU_3S_64 4 337 #define KVM_CPU_E500MC 5 338 339 /* for KVM_CAP_SPAPR_TCE */ 340 struct kvm_create_spapr_tce { 341 __u64 liobn; 342 __u32 window_size; 343 }; 344 345 /* for KVM_CAP_SPAPR_TCE_64 */ 346 struct kvm_create_spapr_tce_64 { 347 __u64 liobn; 348 __u32 page_shift; 349 __u32 flags; 350 __u64 offset; /* in pages */ 351 __u64 size; /* in pages */ 352 }; 353 354 /* for KVM_ALLOCATE_RMA */ 355 struct kvm_allocate_rma { 356 __u64 rma_size; 357 }; 358 359 /* for KVM_CAP_PPC_RTAS */ 360 struct kvm_rtas_token_args { 361 char name[120]; 362 __u64 token; /* Use a token of 0 to undefine a mapping */ 363 }; 364 365 struct kvm_book3e_206_tlb_entry { 366 __u32 mas8; 367 __u32 mas1; 368 __u64 mas2; 369 __u64 mas7_3; 370 }; 371 372 struct kvm_book3e_206_tlb_params { 373 /* 374 * For mmu types KVM_MMU_FSL_BOOKE_NOHV and KVM_MMU_FSL_BOOKE_HV: 375 * 376 * - The number of ways of TLB0 must be a power of two between 2 and 377 * 16. 378 * - TLB1 must be fully associative. 379 * - The size of TLB0 must be a multiple of the number of ways, and 380 * the number of sets must be a power of two. 381 * - The size of TLB1 may not exceed 64 entries. 382 * - TLB0 supports 4 KiB pages. 383 * - The page sizes supported by TLB1 are as indicated by 384 * TLB1CFG (if MMUCFG[MAVN] = 0) or TLB1PS (if MMUCFG[MAVN] = 1) 385 * as returned by KVM_GET_SREGS. 386 * - TLB2 and TLB3 are reserved, and their entries in tlb_sizes[] 387 * and tlb_ways[] must be zero. 388 * 389 * tlb_ways[n] = tlb_sizes[n] means the array is fully associative. 390 * 391 * KVM will adjust TLBnCFG based on the sizes configured here, 392 * though arrays greater than 2048 entries will have TLBnCFG[NENTRY] 393 * set to zero. 394 */ 395 __u32 tlb_sizes[4]; 396 __u32 tlb_ways[4]; 397 __u32 reserved[8]; 398 }; 399 400 /* For KVM_PPC_GET_HTAB_FD */ 401 struct kvm_get_htab_fd { 402 __u64 flags; 403 __u64 start_index; 404 __u64 reserved[2]; 405 }; 406 407 /* Values for kvm_get_htab_fd.flags */ 408 #define KVM_GET_HTAB_BOLTED_ONLY ((__u64)0x1) 409 #define KVM_GET_HTAB_WRITE ((__u64)0x2) 410 411 /* 412 * Data read on the file descriptor is formatted as a series of 413 * records, each consisting of a header followed by a series of 414 * `n_valid' HPTEs (16 bytes each), which are all valid. Following 415 * those valid HPTEs there are `n_invalid' invalid HPTEs, which 416 * are not represented explicitly in the stream. The same format 417 * is used for writing. 418 */ 419 struct kvm_get_htab_header { 420 __u32 index; 421 __u16 n_valid; 422 __u16 n_invalid; 423 }; 424 425 /* For KVM_PPC_CONFIGURE_V3_MMU */ 426 struct kvm_ppc_mmuv3_cfg { 427 __u64 flags; 428 __u64 process_table; /* second doubleword of partition table entry */ 429 }; 430 431 /* Flag values for KVM_PPC_CONFIGURE_V3_MMU */ 432 #define KVM_PPC_MMUV3_RADIX 1 /* 1 = radix mode, 0 = HPT */ 433 #define KVM_PPC_MMUV3_GTSE 2 /* global translation shootdown enb. */ 434 435 /* For KVM_PPC_GET_RMMU_INFO */ 436 struct kvm_ppc_rmmu_info { 437 struct kvm_ppc_radix_geom { 438 __u8 page_shift; 439 __u8 level_bits[4]; 440 __u8 pad[3]; 441 } geometries[8]; 442 __u32 ap_encodings[8]; 443 }; 444 445 /* For KVM_PPC_GET_CPU_CHAR */ 446 struct kvm_ppc_cpu_char { 447 __u64 character; /* characteristics of the CPU */ 448 __u64 behaviour; /* recommended software behaviour */ 449 __u64 character_mask; /* valid bits in character */ 450 __u64 behaviour_mask; /* valid bits in behaviour */ 451 }; 452 453 /* 454 * Values for character and character_mask. 455 * These are identical to the values used by H_GET_CPU_CHARACTERISTICS. 456 */ 457 #define KVM_PPC_CPU_CHAR_SPEC_BAR_ORI31 (1ULL << 63) 458 #define KVM_PPC_CPU_CHAR_BCCTRL_SERIALISED (1ULL << 62) 459 #define KVM_PPC_CPU_CHAR_L1D_FLUSH_ORI30 (1ULL << 61) 460 #define KVM_PPC_CPU_CHAR_L1D_FLUSH_TRIG2 (1ULL << 60) 461 #define KVM_PPC_CPU_CHAR_L1D_THREAD_PRIV (1ULL << 59) 462 #define KVM_PPC_CPU_CHAR_BR_HINT_HONOURED (1ULL << 58) 463 #define KVM_PPC_CPU_CHAR_MTTRIG_THR_RECONF (1ULL << 57) 464 #define KVM_PPC_CPU_CHAR_COUNT_CACHE_DIS (1ULL << 56) 465 #define KVM_PPC_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) 466 467 #define KVM_PPC_CPU_BEHAV_FAVOUR_SECURITY (1ULL << 63) 468 #define KVM_PPC_CPU_BEHAV_L1D_FLUSH_PR (1ULL << 62) 469 #define KVM_PPC_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ULL << 61) 470 #define KVM_PPC_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) 471 472 /* Per-vcpu XICS interrupt controller state */ 473 #define KVM_REG_PPC_ICP_STATE (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8c) 474 475 #define KVM_REG_PPC_ICP_CPPR_SHIFT 56 /* current proc priority */ 476 #define KVM_REG_PPC_ICP_CPPR_MASK 0xff 477 #define KVM_REG_PPC_ICP_XISR_SHIFT 32 /* interrupt status field */ 478 #define KVM_REG_PPC_ICP_XISR_MASK 0xffffff 479 #define KVM_REG_PPC_ICP_MFRR_SHIFT 24 /* pending IPI priority */ 480 #define KVM_REG_PPC_ICP_MFRR_MASK 0xff 481 #define KVM_REG_PPC_ICP_PPRI_SHIFT 16 /* pending irq priority */ 482 #define KVM_REG_PPC_ICP_PPRI_MASK 0xff 483 484 #define KVM_REG_PPC_VP_STATE (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x8d) 485 486 /* Device control API: PPC-specific devices */ 487 #define KVM_DEV_MPIC_GRP_MISC 1 488 #define KVM_DEV_MPIC_BASE_ADDR 0 /* 64-bit */ 489 490 #define KVM_DEV_MPIC_GRP_REGISTER 2 /* 32-bit */ 491 #define KVM_DEV_MPIC_GRP_IRQ_ACTIVE 3 /* 32-bit */ 492 493 /* One-Reg API: PPC-specific registers */ 494 #define KVM_REG_PPC_HIOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1) 495 #define KVM_REG_PPC_IAC1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x2) 496 #define KVM_REG_PPC_IAC2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3) 497 #define KVM_REG_PPC_IAC3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x4) 498 #define KVM_REG_PPC_IAC4 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x5) 499 #define KVM_REG_PPC_DAC1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x6) 500 #define KVM_REG_PPC_DAC2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x7) 501 #define KVM_REG_PPC_DABR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8) 502 #define KVM_REG_PPC_DSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9) 503 #define KVM_REG_PPC_PURR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa) 504 #define KVM_REG_PPC_SPURR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb) 505 #define KVM_REG_PPC_DAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc) 506 #define KVM_REG_PPC_DSISR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xd) 507 #define KVM_REG_PPC_AMR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xe) 508 #define KVM_REG_PPC_UAMOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xf) 509 510 #define KVM_REG_PPC_MMCR0 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x10) 511 #define KVM_REG_PPC_MMCR1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x11) 512 #define KVM_REG_PPC_MMCRA (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x12) 513 #define KVM_REG_PPC_MMCR2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x13) 514 #define KVM_REG_PPC_MMCRS (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x14) 515 #define KVM_REG_PPC_SIAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x15) 516 #define KVM_REG_PPC_SDAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x16) 517 #define KVM_REG_PPC_SIER (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x17) 518 519 #define KVM_REG_PPC_PMC1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x18) 520 #define KVM_REG_PPC_PMC2 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x19) 521 #define KVM_REG_PPC_PMC3 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1a) 522 #define KVM_REG_PPC_PMC4 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1b) 523 #define KVM_REG_PPC_PMC5 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1c) 524 #define KVM_REG_PPC_PMC6 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1d) 525 #define KVM_REG_PPC_PMC7 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1e) 526 #define KVM_REG_PPC_PMC8 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1f) 527 528 /* 32 floating-point registers */ 529 #define KVM_REG_PPC_FPR0 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x20) 530 #define KVM_REG_PPC_FPR(n) (KVM_REG_PPC_FPR0 + (n)) 531 #define KVM_REG_PPC_FPR31 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3f) 532 533 /* 32 VMX/Altivec vector registers */ 534 #define KVM_REG_PPC_VR0 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x40) 535 #define KVM_REG_PPC_VR(n) (KVM_REG_PPC_VR0 + (n)) 536 #define KVM_REG_PPC_VR31 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x5f) 537 538 /* 32 double-width FP registers for VSX */ 539 /* High-order halves overlap with FP regs */ 540 #define KVM_REG_PPC_VSR0 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x60) 541 #define KVM_REG_PPC_VSR(n) (KVM_REG_PPC_VSR0 + (n)) 542 #define KVM_REG_PPC_VSR31 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x7f) 543 544 /* FP and vector status/control registers */ 545 #define KVM_REG_PPC_FPSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x80) 546 /* 547 * VSCR register is documented as a 32-bit register in the ISA, but it can 548 * only be accesses via a vector register. Expose VSCR as a 32-bit register 549 * even though the kernel represents it as a 128-bit vector. 550 */ 551 #define KVM_REG_PPC_VSCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x81) 552 553 /* Virtual processor areas */ 554 /* For SLB & DTL, address in high (first) half, length in low half */ 555 #define KVM_REG_PPC_VPA_ADDR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x82) 556 #define KVM_REG_PPC_VPA_SLB (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x83) 557 #define KVM_REG_PPC_VPA_DTL (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x84) 558 559 #define KVM_REG_PPC_EPCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x85) 560 #define KVM_REG_PPC_EPR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x86) 561 562 /* Timer Status Register OR/CLEAR interface */ 563 #define KVM_REG_PPC_OR_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x87) 564 #define KVM_REG_PPC_CLEAR_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x88) 565 #define KVM_REG_PPC_TCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x89) 566 #define KVM_REG_PPC_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8a) 567 568 /* Debugging: Special instruction for software breakpoint */ 569 #define KVM_REG_PPC_DEBUG_INST (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8b) 570 571 /* MMU registers */ 572 #define KVM_REG_PPC_MAS0 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8c) 573 #define KVM_REG_PPC_MAS1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8d) 574 #define KVM_REG_PPC_MAS2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8e) 575 #define KVM_REG_PPC_MAS7_3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8f) 576 #define KVM_REG_PPC_MAS4 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x90) 577 #define KVM_REG_PPC_MAS6 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x91) 578 #define KVM_REG_PPC_MMUCFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x92) 579 /* 580 * TLBnCFG fields TLBnCFG_N_ENTRY and TLBnCFG_ASSOC can be changed only using 581 * KVM_CAP_SW_TLB ioctl 582 */ 583 #define KVM_REG_PPC_TLB0CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x93) 584 #define KVM_REG_PPC_TLB1CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x94) 585 #define KVM_REG_PPC_TLB2CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x95) 586 #define KVM_REG_PPC_TLB3CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x96) 587 #define KVM_REG_PPC_TLB0PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x97) 588 #define KVM_REG_PPC_TLB1PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x98) 589 #define KVM_REG_PPC_TLB2PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x99) 590 #define KVM_REG_PPC_TLB3PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9a) 591 #define KVM_REG_PPC_EPTCFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9b) 592 593 /* Timebase offset */ 594 #define KVM_REG_PPC_TB_OFFSET (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9c) 595 596 /* POWER8 registers */ 597 #define KVM_REG_PPC_SPMC1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9d) 598 #define KVM_REG_PPC_SPMC2 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9e) 599 #define KVM_REG_PPC_IAMR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9f) 600 #define KVM_REG_PPC_TFHAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa0) 601 #define KVM_REG_PPC_TFIAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa1) 602 #define KVM_REG_PPC_TEXASR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa2) 603 #define KVM_REG_PPC_FSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa3) 604 #define KVM_REG_PPC_PSPB (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xa4) 605 #define KVM_REG_PPC_EBBHR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa5) 606 #define KVM_REG_PPC_EBBRR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa6) 607 #define KVM_REG_PPC_BESCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa7) 608 #define KVM_REG_PPC_TAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa8) 609 #define KVM_REG_PPC_DPDES (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa9) 610 #define KVM_REG_PPC_DAWR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xaa) 611 #define KVM_REG_PPC_DAWRX (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xab) 612 #define KVM_REG_PPC_CIABR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xac) 613 #define KVM_REG_PPC_IC (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xad) 614 #define KVM_REG_PPC_VTB (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xae) 615 #define KVM_REG_PPC_CSIGR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xaf) 616 #define KVM_REG_PPC_TACR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb0) 617 #define KVM_REG_PPC_TCSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb1) 618 #define KVM_REG_PPC_PID (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb2) 619 #define KVM_REG_PPC_ACOP (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb3) 620 621 #define KVM_REG_PPC_VRSAVE (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb4) 622 #define KVM_REG_PPC_LPCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb5) 623 #define KVM_REG_PPC_LPCR_64 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb5) 624 #define KVM_REG_PPC_PPR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb6) 625 626 /* Architecture compatibility level */ 627 #define KVM_REG_PPC_ARCH_COMPAT (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb7) 628 629 #define KVM_REG_PPC_DABRX (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb8) 630 #define KVM_REG_PPC_WORT (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb9) 631 #define KVM_REG_PPC_SPRG9 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xba) 632 #define KVM_REG_PPC_DBSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbb) 633 634 /* POWER9 registers */ 635 #define KVM_REG_PPC_TIDR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbc) 636 #define KVM_REG_PPC_PSSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbd) 637 638 #define KVM_REG_PPC_DEC_EXPIRY (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbe) 639 #define KVM_REG_PPC_ONLINE (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbf) 640 #define KVM_REG_PPC_PTCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc0) 641 642 /* POWER10 registers */ 643 #define KVM_REG_PPC_MMCR3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc1) 644 #define KVM_REG_PPC_SIER2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc2) 645 #define KVM_REG_PPC_SIER3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc3) 646 #define KVM_REG_PPC_DAWR1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc4) 647 #define KVM_REG_PPC_DAWRX1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc5) 648 649 /* Transactional Memory checkpointed state: 650 * This is all GPRs, all VSX regs and a subset of SPRs 651 */ 652 #define KVM_REG_PPC_TM (KVM_REG_PPC | 0x80000000) 653 /* TM GPRs */ 654 #define KVM_REG_PPC_TM_GPR0 (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0) 655 #define KVM_REG_PPC_TM_GPR(n) (KVM_REG_PPC_TM_GPR0 + (n)) 656 #define KVM_REG_PPC_TM_GPR31 (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x1f) 657 /* TM VSX */ 658 #define KVM_REG_PPC_TM_VSR0 (KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x20) 659 #define KVM_REG_PPC_TM_VSR(n) (KVM_REG_PPC_TM_VSR0 + (n)) 660 #define KVM_REG_PPC_TM_VSR63 (KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x5f) 661 /* TM SPRS */ 662 #define KVM_REG_PPC_TM_CR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x60) 663 #define KVM_REG_PPC_TM_LR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x61) 664 #define KVM_REG_PPC_TM_CTR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x62) 665 #define KVM_REG_PPC_TM_FPSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x63) 666 #define KVM_REG_PPC_TM_AMR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x64) 667 #define KVM_REG_PPC_TM_PPR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x65) 668 #define KVM_REG_PPC_TM_VRSAVE (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x66) 669 #define KVM_REG_PPC_TM_VSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67) 670 #define KVM_REG_PPC_TM_DSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68) 671 #define KVM_REG_PPC_TM_TAR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69) 672 #define KVM_REG_PPC_TM_XER (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x6a) 673 674 /* PPC64 eXternal Interrupt Controller Specification */ 675 #define KVM_DEV_XICS_GRP_SOURCES 1 /* 64-bit source attributes */ 676 #define KVM_DEV_XICS_GRP_CTRL 2 677 #define KVM_DEV_XICS_NR_SERVERS 1 678 679 /* Layout of 64-bit source attribute values */ 680 #define KVM_XICS_DESTINATION_SHIFT 0 681 #define KVM_XICS_DESTINATION_MASK 0xffffffffULL 682 #define KVM_XICS_PRIORITY_SHIFT 32 683 #define KVM_XICS_PRIORITY_MASK 0xff 684 #define KVM_XICS_LEVEL_SENSITIVE (1ULL << 40) 685 #define KVM_XICS_MASKED (1ULL << 41) 686 #define KVM_XICS_PENDING (1ULL << 42) 687 #define KVM_XICS_PRESENTED (1ULL << 43) 688 #define KVM_XICS_QUEUED (1ULL << 44) 689 690 /* POWER9 XIVE Native Interrupt Controller */ 691 #define KVM_DEV_XIVE_GRP_CTRL 1 692 #define KVM_DEV_XIVE_RESET 1 693 #define KVM_DEV_XIVE_EQ_SYNC 2 694 #define KVM_DEV_XIVE_NR_SERVERS 3 695 #define KVM_DEV_XIVE_GRP_SOURCE 2 /* 64-bit source identifier */ 696 #define KVM_DEV_XIVE_GRP_SOURCE_CONFIG 3 /* 64-bit source identifier */ 697 #define KVM_DEV_XIVE_GRP_EQ_CONFIG 4 /* 64-bit EQ identifier */ 698 #define KVM_DEV_XIVE_GRP_SOURCE_SYNC 5 /* 64-bit source identifier */ 699 700 /* Layout of 64-bit XIVE source attribute values */ 701 #define KVM_XIVE_LEVEL_SENSITIVE (1ULL << 0) 702 #define KVM_XIVE_LEVEL_ASSERTED (1ULL << 1) 703 704 /* Layout of 64-bit XIVE source configuration attribute values */ 705 #define KVM_XIVE_SOURCE_PRIORITY_SHIFT 0 706 #define KVM_XIVE_SOURCE_PRIORITY_MASK 0x7 707 #define KVM_XIVE_SOURCE_SERVER_SHIFT 3 708 #define KVM_XIVE_SOURCE_SERVER_MASK 0xfffffff8ULL 709 #define KVM_XIVE_SOURCE_MASKED_SHIFT 32 710 #define KVM_XIVE_SOURCE_MASKED_MASK 0x100000000ULL 711 #define KVM_XIVE_SOURCE_EISN_SHIFT 33 712 #define KVM_XIVE_SOURCE_EISN_MASK 0xfffffffe00000000ULL 713 714 /* Layout of 64-bit EQ identifier */ 715 #define KVM_XIVE_EQ_PRIORITY_SHIFT 0 716 #define KVM_XIVE_EQ_PRIORITY_MASK 0x7 717 #define KVM_XIVE_EQ_SERVER_SHIFT 3 718 #define KVM_XIVE_EQ_SERVER_MASK 0xfffffff8ULL 719 720 /* Layout of EQ configuration values (64 bytes) */ 721 struct kvm_ppc_xive_eq { 722 __u32 flags; 723 __u32 qshift; 724 __u64 qaddr; 725 __u32 qtoggle; 726 __u32 qindex; 727 __u8 pad[40]; 728 }; 729 730 #define KVM_XIVE_EQ_ALWAYS_NOTIFY 0x00000001 731 732 #define KVM_XIVE_TIMA_PAGE_OFFSET 0 733 #define KVM_XIVE_ESB_PAGE_OFFSET 4 734 735 /* for KVM_PPC_GET_PVINFO */ 736 737 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 738 739 struct kvm_ppc_pvinfo { 740 /* out */ 741 __u32 flags; 742 __u32 hcall[4]; 743 __u8 pad[108]; 744 }; 745 746 /* for KVM_PPC_GET_SMMU_INFO */ 747 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 748 749 struct kvm_ppc_one_page_size { 750 __u32 page_shift; /* Page shift (or 0) */ 751 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 752 }; 753 754 struct kvm_ppc_one_seg_page_size { 755 __u32 page_shift; /* Base page shift of segment (or 0) */ 756 __u32 slb_enc; /* SLB encoding for BookS */ 757 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 758 }; 759 760 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 761 #define KVM_PPC_1T_SEGMENTS 0x00000002 762 #define KVM_PPC_NO_HASH 0x00000004 763 764 struct kvm_ppc_smmu_info { 765 __u64 flags; 766 __u32 slb_size; 767 __u16 data_keys; /* # storage keys supported for data */ 768 __u16 instr_keys; /* # storage keys supported for instructions */ 769 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 770 }; 771 772 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 773 struct kvm_ppc_resize_hpt { 774 __u64 flags; 775 __u32 shift; 776 __u32 pad; 777 }; 778 779 #endif /* __LINUX_KVM_POWERPC_H */ 780