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