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 #define KVM_REG_PPC_DEXCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc6)
649 #define KVM_REG_PPC_HASHKEYR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc7)
650 #define KVM_REG_PPC_HASHPKEYR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc8)
651
652 /* Transactional Memory checkpointed state:
653 * This is all GPRs, all VSX regs and a subset of SPRs
654 */
655 #define KVM_REG_PPC_TM (KVM_REG_PPC | 0x80000000)
656 /* TM GPRs */
657 #define KVM_REG_PPC_TM_GPR0 (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0)
658 #define KVM_REG_PPC_TM_GPR(n) (KVM_REG_PPC_TM_GPR0 + (n))
659 #define KVM_REG_PPC_TM_GPR31 (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x1f)
660 /* TM VSX */
661 #define KVM_REG_PPC_TM_VSR0 (KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x20)
662 #define KVM_REG_PPC_TM_VSR(n) (KVM_REG_PPC_TM_VSR0 + (n))
663 #define KVM_REG_PPC_TM_VSR63 (KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x5f)
664 /* TM SPRS */
665 #define KVM_REG_PPC_TM_CR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x60)
666 #define KVM_REG_PPC_TM_LR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x61)
667 #define KVM_REG_PPC_TM_CTR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x62)
668 #define KVM_REG_PPC_TM_FPSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x63)
669 #define KVM_REG_PPC_TM_AMR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x64)
670 #define KVM_REG_PPC_TM_PPR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x65)
671 #define KVM_REG_PPC_TM_VRSAVE (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x66)
672 #define KVM_REG_PPC_TM_VSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67)
673 #define KVM_REG_PPC_TM_DSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68)
674 #define KVM_REG_PPC_TM_TAR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69)
675 #define KVM_REG_PPC_TM_XER (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x6a)
676
677 /* PPC64 eXternal Interrupt Controller Specification */
678 #define KVM_DEV_XICS_GRP_SOURCES 1 /* 64-bit source attributes */
679 #define KVM_DEV_XICS_GRP_CTRL 2
680 #define KVM_DEV_XICS_NR_SERVERS 1
681
682 /* Layout of 64-bit source attribute values */
683 #define KVM_XICS_DESTINATION_SHIFT 0
684 #define KVM_XICS_DESTINATION_MASK 0xffffffffULL
685 #define KVM_XICS_PRIORITY_SHIFT 32
686 #define KVM_XICS_PRIORITY_MASK 0xff
687 #define KVM_XICS_LEVEL_SENSITIVE (1ULL << 40)
688 #define KVM_XICS_MASKED (1ULL << 41)
689 #define KVM_XICS_PENDING (1ULL << 42)
690 #define KVM_XICS_PRESENTED (1ULL << 43)
691 #define KVM_XICS_QUEUED (1ULL << 44)
692
693 /* POWER9 XIVE Native Interrupt Controller */
694 #define KVM_DEV_XIVE_GRP_CTRL 1
695 #define KVM_DEV_XIVE_RESET 1
696 #define KVM_DEV_XIVE_EQ_SYNC 2
697 #define KVM_DEV_XIVE_NR_SERVERS 3
698 #define KVM_DEV_XIVE_GRP_SOURCE 2 /* 64-bit source identifier */
699 #define KVM_DEV_XIVE_GRP_SOURCE_CONFIG 3 /* 64-bit source identifier */
700 #define KVM_DEV_XIVE_GRP_EQ_CONFIG 4 /* 64-bit EQ identifier */
701 #define KVM_DEV_XIVE_GRP_SOURCE_SYNC 5 /* 64-bit source identifier */
702
703 /* Layout of 64-bit XIVE source attribute values */
704 #define KVM_XIVE_LEVEL_SENSITIVE (1ULL << 0)
705 #define KVM_XIVE_LEVEL_ASSERTED (1ULL << 1)
706
707 /* Layout of 64-bit XIVE source configuration attribute values */
708 #define KVM_XIVE_SOURCE_PRIORITY_SHIFT 0
709 #define KVM_XIVE_SOURCE_PRIORITY_MASK 0x7
710 #define KVM_XIVE_SOURCE_SERVER_SHIFT 3
711 #define KVM_XIVE_SOURCE_SERVER_MASK 0xfffffff8ULL
712 #define KVM_XIVE_SOURCE_MASKED_SHIFT 32
713 #define KVM_XIVE_SOURCE_MASKED_MASK 0x100000000ULL
714 #define KVM_XIVE_SOURCE_EISN_SHIFT 33
715 #define KVM_XIVE_SOURCE_EISN_MASK 0xfffffffe00000000ULL
716
717 /* Layout of 64-bit EQ identifier */
718 #define KVM_XIVE_EQ_PRIORITY_SHIFT 0
719 #define KVM_XIVE_EQ_PRIORITY_MASK 0x7
720 #define KVM_XIVE_EQ_SERVER_SHIFT 3
721 #define KVM_XIVE_EQ_SERVER_MASK 0xfffffff8ULL
722
723 /* Layout of EQ configuration values (64 bytes) */
724 struct kvm_ppc_xive_eq {
725 __u32 flags;
726 __u32 qshift;
727 __u64 qaddr;
728 __u32 qtoggle;
729 __u32 qindex;
730 __u8 pad[40];
731 };
732
733 #define KVM_XIVE_EQ_ALWAYS_NOTIFY 0x00000001
734
735 #define KVM_XIVE_TIMA_PAGE_OFFSET 0
736 #define KVM_XIVE_ESB_PAGE_OFFSET 4
737
738 /* for KVM_PPC_GET_PVINFO */
739
740 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
741
742 struct kvm_ppc_pvinfo {
743 /* out */
744 __u32 flags;
745 __u32 hcall[4];
746 __u8 pad[108];
747 };
748
749 /* for KVM_PPC_GET_SMMU_INFO */
750 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
751
752 struct kvm_ppc_one_page_size {
753 __u32 page_shift; /* Page shift (or 0) */
754 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
755 };
756
757 struct kvm_ppc_one_seg_page_size {
758 __u32 page_shift; /* Base page shift of segment (or 0) */
759 __u32 slb_enc; /* SLB encoding for BookS */
760 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
761 };
762
763 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
764 #define KVM_PPC_1T_SEGMENTS 0x00000002
765 #define KVM_PPC_NO_HASH 0x00000004
766
767 struct kvm_ppc_smmu_info {
768 __u64 flags;
769 __u32 slb_size;
770 __u16 data_keys; /* # storage keys supported for data */
771 __u16 instr_keys; /* # storage keys supported for instructions */
772 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
773 };
774
775 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
776 struct kvm_ppc_resize_hpt {
777 __u64 flags;
778 __u32 shift;
779 __u32 pad;
780 };
781
782 #endif /* __LINUX_KVM_POWERPC_H */
783
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