xref: /illumos-gate/usr/src/uts/sun4v/sys/hypervisor_api.h (revision abdf5d9abf528d6c318fd8533e09bc3cac1f228b)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_HYPERVISOR_API_H
28 #define	_SYS_HYPERVISOR_API_H
29 
30 /*
31  * sun4v Hypervisor API
32  *
33  * Reference: api.pdf Revision 0.12 dated May 12, 2004.
34  *	      io-api.txt version 1.11 dated 10/19/2004
35  */
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 /*
42  * Trap types
43  */
44 #define	FAST_TRAP		0x80	/* Function # in %o5 */
45 #define	CPU_TICK_NPT		0x81
46 #define	CPU_STICK_NPT		0x82
47 #define	MMU_MAP_ADDR		0x83
48 #define	MMU_UNMAP_ADDR		0x84
49 #define	MMU_MAP_TTE		0x86
50 
51 #define	CORE_TRAP		0xff
52 
53 /*
54  * Error returns in %o0.
55  * (Additional result is returned in %o1.)
56  */
57 #define	H_EOK			0	/* Successful return */
58 #define	H_ENOCPU		1	/* Invalid CPU id */
59 #define	H_ENORADDR		2	/* Invalid real address */
60 #define	H_ENOINTR		3	/* Invalid interrupt id */
61 #define	H_EBADPGSZ		4	/* Invalid pagesize encoding */
62 #define	H_EBADTSB		5	/* Invalid TSB description */
63 #define	H_EINVAL		6	/* Invalid argument */
64 #define	H_EBADTRAP		7	/* Invalid function number */
65 #define	H_EBADALIGN		8	/* Invalid address alignment */
66 #define	H_EWOULDBLOCK		9	/* Cannot complete operation */
67 					/* without blocking */
68 #define	H_ENOACCESS		10	/* No access to resource */
69 #define	H_EIO			11	/* I/O error */
70 #define	H_ECPUERROR		12	/* CPU is in error state */
71 #define	H_ENOTSUPPORTED		13	/* Function not supported */
72 #define	H_ENOMAP		14	/* Mapping is not valid, */
73 					/* no translation exists */
74 #define	H_EBUSY			17	/* Resource busy */
75 #define	H_ETOOMANY		15	/* Hard resource limit exceeded */
76 #define	H_ECHANNEL		16	/* Illegal LDC channel */
77 
78 #define	H_BREAK			-1	/* Console Break */
79 #define	H_HUP			-2	/* Console Break */
80 
81 /*
82  * Mondo CPU ID argument processing.
83  */
84 #define	HV_SEND_MONDO_ENTRYDONE	0xffff
85 
86 /*
87  * Function numbers for FAST_TRAP.
88  */
89 #define	HV_MACH_EXIT		0x00
90 #define	HV_MACH_DESC		0x01
91 #define	HV_MACH_SIR		0x02
92 #define	MACH_SET_WATCHDOG	0x05
93 
94 #define	HV_CPU_START		0x10
95 #define	HV_CPU_STOP		0x11
96 #define	HV_CPU_YIELD		0x12
97 #define	HV_CPU_QCONF		0x14
98 #define	HV_CPU_STATE		0x17
99 #define	HV_CPU_SET_RTBA		0x18
100 
101 #define	MMU_TSB_CTX0		0x20
102 #define	MMU_TSB_CTXNON0		0x21
103 #define	MMU_DEMAP_PAGE		0x22
104 #define	MMU_DEMAP_CTX		0x23
105 #define	MMU_DEMAP_ALL		0x24
106 #define	MAP_PERM_ADDR		0x25
107 #define	MMU_SET_INFOPTR		0x26
108 #define	MMU_ENABLE		0x27
109 #define	UNMAP_PERM_ADDR		0x28
110 
111 #define	HV_MEM_SCRUB		0x31
112 #define	HV_MEM_SYNC		0x32
113 
114 #define	HV_INTR_SEND		0x42
115 
116 #define	TOD_GET			0x50
117 #define	TOD_SET			0x51
118 
119 #define	CONS_GETCHAR		0x60
120 #define	CONS_PUTCHAR		0x61
121 #define	CONS_READ		0x62
122 #define	CONS_WRITE		0x63
123 
124 #define	SOFT_STATE_SET		0x70
125 #define	SOFT_STATE_GET		0x71
126 
127 #define	TTRACE_BUF_CONF		0x90
128 #define	TTRACE_BUF_INFO		0x91
129 #define	TTRACE_ENABLE		0x92
130 #define	TTRACE_FREEZE		0x93
131 #define	DUMP_BUF_UPDATE		0x94
132 
133 #define	HVIO_INTR_DEVINO2SYSINO	0xa0
134 #define	HVIO_INTR_GETVALID	0xa1
135 #define	HVIO_INTR_SETVALID	0xa2
136 #define	HVIO_INTR_GETSTATE	0xa3
137 #define	HVIO_INTR_SETSTATE	0xa4
138 #define	HVIO_INTR_GETTARGET	0xa5
139 #define	HVIO_INTR_SETTARGET	0xa6
140 
141 #define	VINTR_GET_COOKIE	0xa7
142 #define	VINTR_SET_COOKIE	0xa8
143 #define	VINTR_GET_VALID		0xa9
144 #define	VINTR_SET_VALID		0xaa
145 #define	VINTR_GET_STATE		0xab
146 #define	VINTR_SET_STATE		0xac
147 #define	VINTR_GET_TARGET	0xad
148 #define	VINTR_SET_TARGET	0xae
149 
150 #define	LDC_TX_QCONF		0xe0
151 #define	LDC_TX_QINFO		0xe1
152 #define	LDC_TX_GET_STATE	0xe2
153 #define	LDC_TX_SET_QTAIL	0xe3
154 #define	LDC_RX_QCONF		0xe4
155 #define	LDC_RX_QINFO		0xe5
156 #define	LDC_RX_GET_STATE	0xe6
157 #define	LDC_RX_SET_QHEAD	0xe7
158 
159 #define	LDC_SET_MAP_TABLE	0xea
160 #define	LDC_GET_MAP_TABLE	0xeb
161 #define	LDC_COPY		0xec
162 #define	LDC_MAPIN		0xed
163 #define	LDC_UNMAP		0xee
164 #define	LDC_REVOKE		0xef
165 
166 #ifdef SET_MMU_STATS
167 #define	MMU_STAT_AREA		0xfc
168 #endif /* SET_MMU_STATS */
169 
170 #define	HV_TPM_GET		0x176
171 #define	HV_TPM_PUT		0x177
172 
173 #define	HV_TM_ENABLE		0x180
174 
175 #define	HV_RA2PA		0x200
176 #define	HV_HPRIV		0x201
177 
178 /*
179  * Function numbers for CORE_TRAP.
180  */
181 #define	API_SET_VERSION		0x00
182 #define	API_PUT_CHAR		0x01
183 #define	API_EXIT		0x02
184 #define	API_GET_VERSION		0x03
185 
186 
187 /*
188  * Definitions for MACH_SOFT_STATE routines
189  */
190 
191 #define	SIS_NORMAL		0x01
192 #define	SIS_TRANSITION		0x02
193 
194 /*
195  * Bits for MMU functions flags argument:
196  *	arg3 of MMU_MAP_ADDR
197  *	arg3 of MMU_DEMAP_CTX
198  *	arg2 of MMU_DEMAP_ALL
199  */
200 #define	MAP_DTLB		0x1
201 #define	MAP_ITLB		0x2
202 
203 
204 /*
205  * Interrupt state manipulation definitions.
206  */
207 
208 #define	HV_INTR_IDLE_STATE	0
209 #define	HV_INTR_RECEIVED_STATE	1
210 #define	HV_INTR_DELIVERED_STATE	2
211 
212 #define	HV_INTR_NOTVALID	0
213 #define	HV_INTR_VALID		1
214 
215 #ifndef _ASM
216 
217 /*
218  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
219  */
220 typedef struct hv_tsb_info {
221 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
222 	uint16_t	hvtsb_assoc;	/* TSB associativity */
223 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
224 	uint32_t	hvtsb_ctx_index; /* context reg index */
225 	uint32_t	hvtsb_pgszs;	/* sizes in use */
226 	uint64_t	hvtsb_pa;	/* real address of TSB base */
227 	uint64_t	hvtsb_rsvd;	/* reserved */
228 } hv_tsb_info_t;
229 
230 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
231 
232 #ifdef SET_MMU_STATS
233 #ifndef TTE4V_NPGSZ
234 #define	TTE4V_NPGSZ	8
235 #endif /* TTE4V_NPGSZ */
236 /*
237  * MMU statistics structure for MMU_STAT_AREA
238  */
239 struct mmu_stat_one {
240 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
241 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
242 	uint64_t	tsb_miss;
243 	uint64_t	tlb_miss;	/* miss, no TSB set */
244 	uint64_t	map_ctx0[TTE4V_NPGSZ];
245 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
246 };
247 
248 struct mmu_stat {
249 	struct mmu_stat_one	immu_stat;
250 	struct mmu_stat_one	dmmu_stat;
251 	uint64_t		set_ctx0;
252 	uint64_t		set_ctxn0;
253 };
254 #endif /* SET_MMU_STATS */
255 
256 #endif /* ! _ASM */
257 
258 /*
259  * CPU States
260  */
261 #define	CPU_STATE_INVALID	0x0
262 #define	CPU_STATE_STOPPED	0x1	/* cpu not started */
263 #define	CPU_STATE_RUNNING	0x2	/* cpu running guest code */
264 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
265 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
266 
267 /*
268  * MMU fault status area
269  */
270 
271 #define	MMFSA_TYPE_	0x00	/* fault type */
272 #define	MMFSA_ADDR_	0x08	/* fault address */
273 #define	MMFSA_CTX_	0x10	/* fault context */
274 
275 #define	MMFSA_I_	0x00		/* start of fields for I */
276 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
277 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
278 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
279 
280 #define	MMFSA_D_	0x40		/* start of fields for D */
281 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
282 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
283 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
284 
285 #define	MMFSA_F_FMISS	1	/* fast miss */
286 #define	MMFSA_F_FPROT	2	/* fast protection */
287 #define	MMFSA_F_MISS	3	/* mmu miss */
288 #define	MMFSA_F_INVRA	4	/* invalid RA */
289 #define	MMFSA_F_PRIV	5	/* privilege violation */
290 #define	MMFSA_F_PROT	6	/* protection violation */
291 #define	MMFSA_F_NFO	7	/* NFO access */
292 #define	MMFSA_F_SOPG	8	/* so page */
293 #define	MMFSA_F_INVVA	9	/* invalid VA */
294 #define	MMFSA_F_INVASI	10	/* invalid ASI */
295 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
296 #define	MMFSA_F_PRVACT	12	/* privileged action */
297 #define	MMFSA_F_WPT	13	/* watchpoint hit */
298 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
299 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
300 
301 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
302 
303 /*
304  * MMU fault status - MMFSA_IFS and MMFSA_DFS
305  */
306 #define	MMFS_FV		0x00000001
307 #define	MMFS_OW		0x00000002
308 #define	MMFS_W		0x00000004
309 #define	MMFS_PR		0x00000008
310 #define	MMFS_CT		0x00000030
311 #define	MMFS_E		0x00000040
312 #define	MMFS_FT		0x00003f80
313 #define	MMFS_ME		0x00004000
314 #define	MMFS_TM		0x00008000
315 #define	MMFS_ASI	0x00ff0000
316 #define	MMFS_NF		0x01000000
317 
318 /*
319  * DMA sync parameter definitions
320  */
321 #define	HVIO_DMA_SYNC_DIR_TO_DEV		0x01
322 #define	HVIO_DMA_SYNC_DIR_FROM_DEV		0x02
323 
324 /*
325  * LDC Channel States
326  */
327 #define	LDC_CHANNEL_DOWN	0x0
328 #define	LDC_CHANNEL_UP		0x1
329 #define	LDC_CHANNEL_RESET	0x2
330 
331 #ifndef _ASM
332 
333 extern uint64_t hv_mmu_map_perm_addr(void *, int, uint64_t, int);
334 extern uint64_t	hv_mmu_unmap_perm_addr(void *, int, int);
335 extern uint64_t hv_mach_exit(uint64_t exit_code);
336 extern uint64_t hv_mach_sir(void);
337 
338 extern uint64_t hv_cpu_start(uint64_t cpuid, uint64_t pc, uint64_t rtba,
339     uint64_t arg);
340 extern uint64_t hv_cpu_stop(uint64_t cpuid);
341 extern uint64_t hv_cpu_set_rtba(uint64_t *rtba);
342 
343 extern uint64_t	hv_set_ctx0(uint64_t, uint64_t);
344 extern uint64_t	hv_set_ctxnon0(uint64_t, uint64_t);
345 extern uint64_t hv_mmu_fault_area_conf(void *raddr);
346 #ifdef SET_MMU_STATS
347 extern uint64_t hv_mmu_set_stat_area(uint64_t, uint64_t);
348 #endif /* SET_MMU_STATS */
349 
350 extern uint64_t hv_cpu_qconf(int queue, uint64_t paddr, int size);
351 extern uint64_t hv_cpu_yield(void);
352 extern uint64_t hv_cpu_state(uint64_t cpuid, uint64_t *cpu_state);
353 extern uint64_t hv_mem_scrub(uint64_t real_addr, uint64_t length,
354     uint64_t *scrubbed_len);
355 extern uint64_t hv_mem_sync(uint64_t real_addr, uint64_t length,
356     uint64_t *flushed_len);
357 extern uint64_t hv_tm_enable(uint64_t enable);
358 
359 extern uint64_t hv_service_recv(uint64_t s_id, uint64_t buf_pa,
360     uint64_t size, uint64_t *recv_bytes);
361 extern uint64_t hv_service_send(uint64_t s_id, uint64_t buf_pa,
362     uint64_t size, uint64_t *send_bytes);
363 extern uint64_t hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
364 extern uint64_t hv_service_setstatus(uint64_t s_id, uint64_t bits);
365 extern uint64_t hv_service_clrstatus(uint64_t s_id, uint64_t bits);
366 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
367 
368 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
369 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
370 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
371 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
372 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
373 extern uint64_t hv_mach_set_watchdog(uint64_t, uint64_t *);
374 
375 extern int64_t hv_cnputchar(uint8_t);
376 extern int64_t hv_cngetchar(uint8_t *);
377 extern int64_t hv_cnwrite(uint64_t, uint64_t, uint64_t *);
378 extern int64_t hv_cnread(uint64_t, uint64_t, int64_t *);
379 
380 extern uint64_t hv_tod_get(uint64_t *seconds);
381 extern uint64_t hv_tod_set(uint64_t);
382 
383 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
384     uint64_t *sysino);
385 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
386 	int *intr_valid_state);
387 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
388 	int intr_valid_state);
389 extern uint64_t hvio_intr_getstate(uint64_t sysino,
390 	int *intr_state);
391 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
392 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
393 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
394 extern uint64_t hv_soft_state_set(uint64_t state, uint64_t string_ra);
395 extern uint64_t hv_soft_state_get(uint64_t string_ra, uint64_t *state);
396 
397 extern uint64_t hv_ldc_tx_qconf(uint64_t channel, uint64_t ra_base,
398     uint64_t nentries);
399 extern uint64_t hv_ldc_tx_qinfo(uint64_t channel, uint64_t *ra_base,
400     uint64_t *nentries);
401 extern uint64_t hv_ldc_tx_get_state(uint64_t channel, uint64_t *headp,
402     uint64_t *tailp, uint64_t *state);
403 extern uint64_t hv_ldc_tx_set_qtail(uint64_t channel, uint64_t tail);
404 extern uint64_t hv_ldc_rx_qconf(uint64_t channel, uint64_t ra_base,
405     uint64_t nentries);
406 extern uint64_t hv_ldc_rx_qinfo(uint64_t channel, uint64_t *ra_base,
407     uint64_t *nentries);
408 extern uint64_t hv_ldc_rx_get_state(uint64_t channel, uint64_t *headp,
409     uint64_t *tailp, uint64_t *state);
410 extern uint64_t hv_ldc_rx_set_qhead(uint64_t channel, uint64_t head);
411 
412 extern uint64_t hv_ldc_set_map_table(uint64_t channel, uint64_t tbl_ra,
413     uint64_t tbl_entries);
414 extern uint64_t hv_ldc_get_map_table(uint64_t channel, uint64_t *tbl_ra,
415     uint64_t *tbl_entries);
416 extern uint64_t hv_ldc_copy(uint64_t channel, uint64_t request,
417     uint64_t cookie, uint64_t raddr, uint64_t length, uint64_t *lengthp);
418 extern uint64_t hv_ldc_mapin(uint64_t channel, uint64_t cookie,
419     uint64_t *raddr, uint64_t *perm);
420 extern uint64_t hv_ldc_unmap(uint64_t raddr);
421 extern uint64_t hv_ldc_revoke(uint64_t channel, uint64_t cookie,
422     uint64_t revoke_cookie);
423 extern uint64_t hv_api_get_version(uint64_t api_group, uint64_t *majorp,
424     uint64_t *minorp);
425 extern uint64_t hv_api_set_version(uint64_t api_group, uint64_t major,
426     uint64_t minor, uint64_t *supported_minor);
427 
428 extern uint64_t hvldc_intr_getcookie(uint64_t dev_hdl, uint32_t devino,
429     uint64_t *cookie);
430 extern uint64_t hvldc_intr_setcookie(uint64_t dev_hdl, uint32_t devino,
431     uint64_t cookie);
432 extern uint64_t hvldc_intr_getvalid(uint64_t dev_hdl, uint32_t devino,
433     int *intr_valid_state);
434 extern uint64_t hvldc_intr_setvalid(uint64_t dev_hdl, uint32_t devino,
435     int intr_valid_state);
436 extern uint64_t hvldc_intr_getstate(uint64_t dev_hdl, uint32_t devino,
437     int *intr_state);
438 extern uint64_t hvldc_intr_setstate(uint64_t dev_hdl, uint32_t devino,
439     int intr_state);
440 extern uint64_t hvldc_intr_gettarget(uint64_t dev_hdl, uint32_t devino,
441     uint32_t *cpuid);
442 extern uint64_t hvldc_intr_settarget(uint64_t dev_hdl, uint32_t devino,
443     uint32_t cpuid);
444 
445 #endif /* ! _ASM */
446 
447 
448 #ifdef __cplusplus
449 }
450 #endif
451 
452 #endif /* _SYS_HYPERVISOR_API_H */
453