xref: /illumos-gate/usr/src/uts/sun4v/sys/hypervisor_api.h (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
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 2008 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 #define	HV_MEM_IFLUSH		0x33
114 #define	HV_MEM_IFLUSH_ALL	0x34
115 
116 #define	HV_INTR_SEND		0x42
117 
118 #define	TOD_GET			0x50
119 #define	TOD_SET			0x51
120 
121 #define	CONS_GETCHAR		0x60
122 #define	CONS_PUTCHAR		0x61
123 #define	CONS_READ		0x62
124 #define	CONS_WRITE		0x63
125 
126 #define	SOFT_STATE_SET		0x70
127 #define	SOFT_STATE_GET		0x71
128 
129 #define	TTRACE_BUF_CONF		0x90
130 #define	TTRACE_BUF_INFO		0x91
131 #define	TTRACE_ENABLE		0x92
132 #define	TTRACE_FREEZE		0x93
133 #define	DUMP_BUF_UPDATE		0x94
134 
135 #define	HVIO_INTR_DEVINO2SYSINO	0xa0
136 #define	HVIO_INTR_GETVALID	0xa1
137 #define	HVIO_INTR_SETVALID	0xa2
138 #define	HVIO_INTR_GETSTATE	0xa3
139 #define	HVIO_INTR_SETSTATE	0xa4
140 #define	HVIO_INTR_GETTARGET	0xa5
141 #define	HVIO_INTR_SETTARGET	0xa6
142 
143 #define	VINTR_GET_COOKIE	0xa7
144 #define	VINTR_SET_COOKIE	0xa8
145 #define	VINTR_GET_VALID		0xa9
146 #define	VINTR_SET_VALID		0xaa
147 #define	VINTR_GET_STATE		0xab
148 #define	VINTR_SET_STATE		0xac
149 #define	VINTR_GET_TARGET	0xad
150 #define	VINTR_SET_TARGET	0xae
151 
152 #define	LDC_TX_QCONF		0xe0
153 #define	LDC_TX_QINFO		0xe1
154 #define	LDC_TX_GET_STATE	0xe2
155 #define	LDC_TX_SET_QTAIL	0xe3
156 #define	LDC_RX_QCONF		0xe4
157 #define	LDC_RX_QINFO		0xe5
158 #define	LDC_RX_GET_STATE	0xe6
159 #define	LDC_RX_SET_QHEAD	0xe7
160 
161 #define	LDC_SET_MAP_TABLE	0xea
162 #define	LDC_GET_MAP_TABLE	0xeb
163 #define	LDC_COPY		0xec
164 #define	LDC_MAPIN		0xed
165 #define	LDC_UNMAP		0xee
166 #define	LDC_REVOKE		0xef
167 
168 #ifdef SET_MMU_STATS
169 #define	MMU_STAT_AREA		0xfc
170 #endif /* SET_MMU_STATS */
171 
172 #define	HV_TM_ENABLE		0x180
173 
174 #define	HV_RA2PA		0x200
175 #define	HV_HPRIV		0x201
176 
177 /*
178  * Function numbers for CORE_TRAP.
179  */
180 #define	API_SET_VERSION		0x00
181 #define	API_PUT_CHAR		0x01
182 #define	API_EXIT		0x02
183 #define	API_GET_VERSION		0x03
184 
185 
186 /*
187  * Definitions for MACH_SOFT_STATE routines
188  */
189 
190 #define	SIS_NORMAL		0x01
191 #define	SIS_TRANSITION		0x02
192 
193 /*
194  * Bits for MMU functions flags argument:
195  *	arg3 of MMU_MAP_ADDR
196  *	arg3 of MMU_DEMAP_CTX
197  *	arg2 of MMU_DEMAP_ALL
198  */
199 #define	MAP_DTLB		0x1
200 #define	MAP_ITLB		0x2
201 
202 
203 /*
204  * Interrupt state manipulation definitions.
205  */
206 
207 #define	HV_INTR_IDLE_STATE	0
208 #define	HV_INTR_RECEIVED_STATE	1
209 #define	HV_INTR_DELIVERED_STATE	2
210 
211 #define	HV_INTR_NOTVALID	0
212 #define	HV_INTR_VALID		1
213 
214 #ifndef _ASM
215 
216 /*
217  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
218  */
219 typedef struct hv_tsb_info {
220 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
221 	uint16_t	hvtsb_assoc;	/* TSB associativity */
222 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
223 	uint32_t	hvtsb_ctx_index; /* context reg index */
224 	uint32_t	hvtsb_pgszs;	/* sizes in use */
225 	uint64_t	hvtsb_pa;	/* real address of TSB base */
226 	uint64_t	hvtsb_rsvd;	/* reserved */
227 } hv_tsb_info_t;
228 
229 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
230 
231 #ifdef SET_MMU_STATS
232 #ifndef TTE4V_NPGSZ
233 #define	TTE4V_NPGSZ	8
234 #endif /* TTE4V_NPGSZ */
235 /*
236  * MMU statistics structure for MMU_STAT_AREA
237  */
238 struct mmu_stat_one {
239 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
240 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
241 	uint64_t	tsb_miss;
242 	uint64_t	tlb_miss;	/* miss, no TSB set */
243 	uint64_t	map_ctx0[TTE4V_NPGSZ];
244 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
245 };
246 
247 struct mmu_stat {
248 	struct mmu_stat_one	immu_stat;
249 	struct mmu_stat_one	dmmu_stat;
250 	uint64_t		set_ctx0;
251 	uint64_t		set_ctxn0;
252 };
253 #endif /* SET_MMU_STATS */
254 
255 #endif /* ! _ASM */
256 
257 /*
258  * CPU States
259  */
260 #define	CPU_STATE_INVALID	0x0
261 #define	CPU_STATE_STOPPED	0x1	/* cpu not started */
262 #define	CPU_STATE_RUNNING	0x2	/* cpu running guest code */
263 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
264 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
265 
266 /*
267  * MMU fault status area
268  */
269 
270 #define	MMFSA_TYPE_	0x00	/* fault type */
271 #define	MMFSA_ADDR_	0x08	/* fault address */
272 #define	MMFSA_CTX_	0x10	/* fault context */
273 
274 #define	MMFSA_I_	0x00		/* start of fields for I */
275 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
276 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
277 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
278 
279 #define	MMFSA_D_	0x40		/* start of fields for D */
280 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
281 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
282 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
283 
284 #define	MMFSA_F_FMISS	1	/* fast miss */
285 #define	MMFSA_F_FPROT	2	/* fast protection */
286 #define	MMFSA_F_MISS	3	/* mmu miss */
287 #define	MMFSA_F_INVRA	4	/* invalid RA */
288 #define	MMFSA_F_PRIV	5	/* privilege violation */
289 #define	MMFSA_F_PROT	6	/* protection violation */
290 #define	MMFSA_F_NFO	7	/* NFO access */
291 #define	MMFSA_F_SOPG	8	/* so page */
292 #define	MMFSA_F_INVVA	9	/* invalid VA */
293 #define	MMFSA_F_INVASI	10	/* invalid ASI */
294 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
295 #define	MMFSA_F_PRVACT	12	/* privileged action */
296 #define	MMFSA_F_WPT	13	/* watchpoint hit */
297 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
298 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
299 
300 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
301 
302 /*
303  * MMU fault status - MMFSA_IFS and MMFSA_DFS
304  */
305 #define	MMFS_FV		0x00000001
306 #define	MMFS_OW		0x00000002
307 #define	MMFS_W		0x00000004
308 #define	MMFS_PR		0x00000008
309 #define	MMFS_CT		0x00000030
310 #define	MMFS_E		0x00000040
311 #define	MMFS_FT		0x00003f80
312 #define	MMFS_ME		0x00004000
313 #define	MMFS_TM		0x00008000
314 #define	MMFS_ASI	0x00ff0000
315 #define	MMFS_NF		0x01000000
316 
317 /*
318  * DMA sync parameter definitions
319  */
320 #define	HVIO_DMA_SYNC_DIR_TO_DEV		0x01
321 #define	HVIO_DMA_SYNC_DIR_FROM_DEV		0x02
322 #define	HVIO_DMA_SYNC_DIR_NO_ICACHE_FLUSH	0x04
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_mem_iflush(uint64_t real_addr, uint64_t length,
358     uint64_t *flushed_len);
359 extern uint64_t hv_mem_iflush_all(void);
360 extern uint64_t hv_tm_enable(uint64_t enable);
361 
362 extern uint64_t hv_service_recv(uint64_t s_id, uint64_t buf_pa,
363     uint64_t size, uint64_t *recv_bytes);
364 extern uint64_t hv_service_send(uint64_t s_id, uint64_t buf_pa,
365     uint64_t size, uint64_t *send_bytes);
366 extern uint64_t hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
367 extern uint64_t hv_service_setstatus(uint64_t s_id, uint64_t bits);
368 extern uint64_t hv_service_clrstatus(uint64_t s_id, uint64_t bits);
369 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
370 
371 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
372 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
373 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
374 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
375 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
376 extern uint64_t hv_mach_set_watchdog(uint64_t, uint64_t *);
377 
378 extern int64_t hv_cnputchar(uint8_t);
379 extern int64_t hv_cngetchar(uint8_t *);
380 extern int64_t hv_cnwrite(uint64_t, uint64_t, uint64_t *);
381 extern int64_t hv_cnread(uint64_t, uint64_t, int64_t *);
382 
383 extern uint64_t hv_tod_get(uint64_t *seconds);
384 extern uint64_t hv_tod_set(uint64_t);
385 
386 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
387     uint64_t *sysino);
388 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
389 	int *intr_valid_state);
390 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
391 	int intr_valid_state);
392 extern uint64_t hvio_intr_getstate(uint64_t sysino,
393 	int *intr_state);
394 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
395 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
396 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
397 extern uint64_t hv_soft_state_set(uint64_t state, uint64_t string_ra);
398 extern uint64_t hv_soft_state_get(uint64_t string_ra, uint64_t *state);
399 
400 extern uint64_t hv_ldc_tx_qconf(uint64_t channel, uint64_t ra_base,
401     uint64_t nentries);
402 extern uint64_t hv_ldc_tx_qinfo(uint64_t channel, uint64_t *ra_base,
403     uint64_t *nentries);
404 extern uint64_t hv_ldc_tx_get_state(uint64_t channel, uint64_t *headp,
405     uint64_t *tailp, uint64_t *state);
406 extern uint64_t hv_ldc_tx_set_qtail(uint64_t channel, uint64_t tail);
407 extern uint64_t hv_ldc_rx_qconf(uint64_t channel, uint64_t ra_base,
408     uint64_t nentries);
409 extern uint64_t hv_ldc_rx_qinfo(uint64_t channel, uint64_t *ra_base,
410     uint64_t *nentries);
411 extern uint64_t hv_ldc_rx_get_state(uint64_t channel, uint64_t *headp,
412     uint64_t *tailp, uint64_t *state);
413 extern uint64_t hv_ldc_rx_set_qhead(uint64_t channel, uint64_t head);
414 
415 extern uint64_t hv_ldc_set_map_table(uint64_t channel, uint64_t tbl_ra,
416     uint64_t tbl_entries);
417 extern uint64_t hv_ldc_get_map_table(uint64_t channel, uint64_t *tbl_ra,
418     uint64_t *tbl_entries);
419 extern uint64_t hv_ldc_copy(uint64_t channel, uint64_t request,
420     uint64_t cookie, uint64_t raddr, uint64_t length, uint64_t *lengthp);
421 extern uint64_t hv_ldc_mapin(uint64_t channel, uint64_t cookie,
422     uint64_t *raddr, uint64_t *perm);
423 extern uint64_t hv_ldc_unmap(uint64_t raddr);
424 extern uint64_t hv_ldc_revoke(uint64_t channel, uint64_t cookie,
425     uint64_t revoke_cookie);
426 extern uint64_t hv_api_get_version(uint64_t api_group, uint64_t *majorp,
427     uint64_t *minorp);
428 extern uint64_t hv_api_set_version(uint64_t api_group, uint64_t major,
429     uint64_t minor, uint64_t *supported_minor);
430 
431 extern uint64_t hvldc_intr_getcookie(uint64_t dev_hdl, uint32_t devino,
432     uint64_t *cookie);
433 extern uint64_t hvldc_intr_setcookie(uint64_t dev_hdl, uint32_t devino,
434     uint64_t cookie);
435 extern uint64_t hvldc_intr_getvalid(uint64_t dev_hdl, uint32_t devino,
436     int *intr_valid_state);
437 extern uint64_t hvldc_intr_setvalid(uint64_t dev_hdl, uint32_t devino,
438     int intr_valid_state);
439 extern uint64_t hvldc_intr_getstate(uint64_t dev_hdl, uint32_t devino,
440     int *intr_state);
441 extern uint64_t hvldc_intr_setstate(uint64_t dev_hdl, uint32_t devino,
442     int intr_state);
443 extern uint64_t hvldc_intr_gettarget(uint64_t dev_hdl, uint32_t devino,
444     uint32_t *cpuid);
445 extern uint64_t hvldc_intr_settarget(uint64_t dev_hdl, uint32_t devino,
446     uint32_t cpuid);
447 
448 #endif /* ! _ASM */
449 
450 
451 #ifdef __cplusplus
452 }
453 #endif
454 
455 #endif /* _SYS_HYPERVISOR_API_H */
456