kvm_powerpc.h 24 KB

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