xref: /titanic_44/usr/src/uts/sun4v/sys/hypervisor_api.h (revision 023e71de9e5670cebc23dd51162833661d3d2d3b)
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	GUEST_SUSPEND		0x181
176 #define	TICK_SET_NPT		0x182
177 #define	STICK_SET_NPT		0x183
178 
179 #define	HV_RA2PA		0x200
180 #define	HV_HPRIV		0x201
181 
182 /*
183  * Function numbers for CORE_TRAP.
184  */
185 #define	API_SET_VERSION		0x00
186 #define	API_PUT_CHAR		0x01
187 #define	API_EXIT		0x02
188 #define	API_GET_VERSION		0x03
189 
190 
191 /*
192  * Definitions for MACH_SOFT_STATE routines
193  */
194 
195 #define	SIS_NORMAL		0x01
196 #define	SIS_TRANSITION		0x02
197 
198 /*
199  * Bits for MMU functions flags argument:
200  *	arg3 of MMU_MAP_ADDR
201  *	arg3 of MMU_DEMAP_CTX
202  *	arg2 of MMU_DEMAP_ALL
203  */
204 #define	MAP_DTLB		0x1
205 #define	MAP_ITLB		0x2
206 
207 
208 /*
209  * Interrupt state manipulation definitions.
210  */
211 
212 #define	HV_INTR_IDLE_STATE	0
213 #define	HV_INTR_RECEIVED_STATE	1
214 #define	HV_INTR_DELIVERED_STATE	2
215 
216 #define	HV_INTR_NOTVALID	0
217 #define	HV_INTR_VALID		1
218 
219 #ifndef _ASM
220 
221 /*
222  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
223  */
224 typedef struct hv_tsb_info {
225 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
226 	uint16_t	hvtsb_assoc;	/* TSB associativity */
227 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
228 	uint32_t	hvtsb_ctx_index; /* context reg index */
229 	uint32_t	hvtsb_pgszs;	/* sizes in use */
230 	uint64_t	hvtsb_pa;	/* real address of TSB base */
231 	uint64_t	hvtsb_rsvd;	/* reserved */
232 } hv_tsb_info_t;
233 
234 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
235 
236 #ifdef SET_MMU_STATS
237 #ifndef TTE4V_NPGSZ
238 #define	TTE4V_NPGSZ	8
239 #endif /* TTE4V_NPGSZ */
240 /*
241  * MMU statistics structure for MMU_STAT_AREA
242  */
243 struct mmu_stat_one {
244 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
245 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
246 	uint64_t	tsb_miss;
247 	uint64_t	tlb_miss;	/* miss, no TSB set */
248 	uint64_t	map_ctx0[TTE4V_NPGSZ];
249 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
250 };
251 
252 struct mmu_stat {
253 	struct mmu_stat_one	immu_stat;
254 	struct mmu_stat_one	dmmu_stat;
255 	uint64_t		set_ctx0;
256 	uint64_t		set_ctxn0;
257 };
258 #endif /* SET_MMU_STATS */
259 
260 #endif /* ! _ASM */
261 
262 /*
263  * CPU States
264  */
265 #define	CPU_STATE_INVALID	0x0
266 #define	CPU_STATE_STOPPED	0x1	/* cpu not started */
267 #define	CPU_STATE_RUNNING	0x2	/* cpu running guest code */
268 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
269 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
270 
271 /*
272  * MMU fault status area
273  */
274 
275 #define	MMFSA_TYPE_	0x00	/* fault type */
276 #define	MMFSA_ADDR_	0x08	/* fault address */
277 #define	MMFSA_CTX_	0x10	/* fault context */
278 
279 #define	MMFSA_I_	0x00		/* start of fields for I */
280 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
281 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
282 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
283 
284 #define	MMFSA_D_	0x40		/* start of fields for D */
285 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
286 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
287 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
288 
289 #define	MMFSA_F_FMISS	1	/* fast miss */
290 #define	MMFSA_F_FPROT	2	/* fast protection */
291 #define	MMFSA_F_MISS	3	/* mmu miss */
292 #define	MMFSA_F_INVRA	4	/* invalid RA */
293 #define	MMFSA_F_PRIV	5	/* privilege violation */
294 #define	MMFSA_F_PROT	6	/* protection violation */
295 #define	MMFSA_F_NFO	7	/* NFO access */
296 #define	MMFSA_F_SOPG	8	/* so page */
297 #define	MMFSA_F_INVVA	9	/* invalid VA */
298 #define	MMFSA_F_INVASI	10	/* invalid ASI */
299 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
300 #define	MMFSA_F_PRVACT	12	/* privileged action */
301 #define	MMFSA_F_WPT	13	/* watchpoint hit */
302 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
303 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
304 
305 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
306 
307 /*
308  * MMU fault status - MMFSA_IFS and MMFSA_DFS
309  */
310 #define	MMFS_FV		0x00000001
311 #define	MMFS_OW		0x00000002
312 #define	MMFS_W		0x00000004
313 #define	MMFS_PR		0x00000008
314 #define	MMFS_CT		0x00000030
315 #define	MMFS_E		0x00000040
316 #define	MMFS_FT		0x00003f80
317 #define	MMFS_ME		0x00004000
318 #define	MMFS_TM		0x00008000
319 #define	MMFS_ASI	0x00ff0000
320 #define	MMFS_NF		0x01000000
321 
322 /*
323  * DMA sync parameter definitions
324  */
325 #define	HVIO_DMA_SYNC_DIR_TO_DEV		0x01
326 #define	HVIO_DMA_SYNC_DIR_FROM_DEV		0x02
327 
328 /*
329  * LDC Channel States
330  */
331 #define	LDC_CHANNEL_DOWN	0x0
332 #define	LDC_CHANNEL_UP		0x1
333 #define	LDC_CHANNEL_RESET	0x2
334 
335 #ifndef _ASM
336 
337 extern uint64_t hv_mmu_map_perm_addr(void *, int, uint64_t, int);
338 extern uint64_t	hv_mmu_unmap_perm_addr(void *, int, int);
339 extern uint64_t hv_mach_exit(uint64_t exit_code);
340 extern uint64_t hv_mach_sir(void);
341 
342 extern uint64_t hv_cpu_start(uint64_t cpuid, uint64_t pc, uint64_t rtba,
343     uint64_t arg);
344 extern uint64_t hv_cpu_stop(uint64_t cpuid);
345 extern uint64_t hv_cpu_set_rtba(uint64_t *rtba);
346 
347 extern uint64_t	hv_set_ctx0(uint64_t, uint64_t);
348 extern uint64_t	hv_set_ctxnon0(uint64_t, uint64_t);
349 extern uint64_t hv_mmu_fault_area_conf(void *raddr);
350 #ifdef SET_MMU_STATS
351 extern uint64_t hv_mmu_set_stat_area(uint64_t, uint64_t);
352 #endif /* SET_MMU_STATS */
353 
354 extern uint64_t hv_cpu_qconf(int queue, uint64_t paddr, int size);
355 extern uint64_t hv_cpu_yield(void);
356 extern uint64_t hv_cpu_state(uint64_t cpuid, uint64_t *cpu_state);
357 extern uint64_t hv_mem_scrub(uint64_t real_addr, uint64_t length,
358     uint64_t *scrubbed_len);
359 extern uint64_t hv_mem_sync(uint64_t real_addr, uint64_t length,
360     uint64_t *flushed_len);
361 extern uint64_t hv_tm_enable(uint64_t enable);
362 
363 extern uint64_t hv_service_recv(uint64_t s_id, uint64_t buf_pa,
364     uint64_t size, uint64_t *recv_bytes);
365 extern uint64_t hv_service_send(uint64_t s_id, uint64_t buf_pa,
366     uint64_t size, uint64_t *send_bytes);
367 extern uint64_t hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
368 extern uint64_t hv_service_setstatus(uint64_t s_id, uint64_t bits);
369 extern uint64_t hv_service_clrstatus(uint64_t s_id, uint64_t bits);
370 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
371 
372 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
373 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
374 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
375 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
376 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
377 extern uint64_t hv_mach_set_watchdog(uint64_t, uint64_t *);
378 
379 extern int64_t hv_cnputchar(uint8_t);
380 extern int64_t hv_cngetchar(uint8_t *);
381 extern int64_t hv_cnwrite(uint64_t, uint64_t, uint64_t *);
382 extern int64_t hv_cnread(uint64_t, uint64_t, int64_t *);
383 
384 extern uint64_t hv_tod_get(uint64_t *seconds);
385 extern uint64_t hv_tod_set(uint64_t);
386 
387 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
388     uint64_t *sysino);
389 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
390 	int *intr_valid_state);
391 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
392 	int intr_valid_state);
393 extern uint64_t hvio_intr_getstate(uint64_t sysino,
394 	int *intr_state);
395 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
396 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
397 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
398 extern uint64_t hv_soft_state_set(uint64_t state, uint64_t string_ra);
399 extern uint64_t hv_soft_state_get(uint64_t string_ra, uint64_t *state);
400 
401 extern uint64_t hv_ldc_tx_qconf(uint64_t channel, uint64_t ra_base,
402     uint64_t nentries);
403 extern uint64_t hv_ldc_tx_qinfo(uint64_t channel, uint64_t *ra_base,
404     uint64_t *nentries);
405 extern uint64_t hv_ldc_tx_get_state(uint64_t channel, uint64_t *headp,
406     uint64_t *tailp, uint64_t *state);
407 extern uint64_t hv_ldc_tx_set_qtail(uint64_t channel, uint64_t tail);
408 extern uint64_t hv_ldc_rx_qconf(uint64_t channel, uint64_t ra_base,
409     uint64_t nentries);
410 extern uint64_t hv_ldc_rx_qinfo(uint64_t channel, uint64_t *ra_base,
411     uint64_t *nentries);
412 extern uint64_t hv_ldc_rx_get_state(uint64_t channel, uint64_t *headp,
413     uint64_t *tailp, uint64_t *state);
414 extern uint64_t hv_ldc_rx_set_qhead(uint64_t channel, uint64_t head);
415 
416 extern uint64_t hv_ldc_set_map_table(uint64_t channel, uint64_t tbl_ra,
417     uint64_t tbl_entries);
418 extern uint64_t hv_ldc_get_map_table(uint64_t channel, uint64_t *tbl_ra,
419     uint64_t *tbl_entries);
420 extern uint64_t hv_ldc_copy(uint64_t channel, uint64_t request,
421     uint64_t cookie, uint64_t raddr, uint64_t length, uint64_t *lengthp);
422 extern uint64_t hv_ldc_mapin(uint64_t channel, uint64_t cookie,
423     uint64_t *raddr, uint64_t *perm);
424 extern uint64_t hv_ldc_unmap(uint64_t raddr);
425 extern uint64_t hv_ldc_revoke(uint64_t channel, uint64_t cookie,
426     uint64_t revoke_cookie);
427 extern uint64_t hv_api_get_version(uint64_t api_group, uint64_t *majorp,
428     uint64_t *minorp);
429 extern uint64_t hv_api_set_version(uint64_t api_group, uint64_t major,
430     uint64_t minor, uint64_t *supported_minor);
431 
432 extern uint64_t hvldc_intr_getcookie(uint64_t dev_hdl, uint32_t devino,
433     uint64_t *cookie);
434 extern uint64_t hvldc_intr_setcookie(uint64_t dev_hdl, uint32_t devino,
435     uint64_t cookie);
436 extern uint64_t hvldc_intr_getvalid(uint64_t dev_hdl, uint32_t devino,
437     int *intr_valid_state);
438 extern uint64_t hvldc_intr_setvalid(uint64_t dev_hdl, uint32_t devino,
439     int intr_valid_state);
440 extern uint64_t hvldc_intr_getstate(uint64_t dev_hdl, uint32_t devino,
441     int *intr_state);
442 extern uint64_t hvldc_intr_setstate(uint64_t dev_hdl, uint32_t devino,
443     int intr_state);
444 extern uint64_t hvldc_intr_gettarget(uint64_t dev_hdl, uint32_t devino,
445     uint32_t *cpuid);
446 extern uint64_t hvldc_intr_settarget(uint64_t dev_hdl, uint32_t devino,
447     uint32_t cpuid);
448 
449 extern uint64_t	hv_guest_suspend(void);
450 extern uint64_t	hv_tick_set_npt(uint64_t npt);
451 extern uint64_t	hv_stick_set_npt(uint64_t npt);
452 
453 #endif /* ! _ASM */
454 
455 
456 #ifdef __cplusplus
457 }
458 #endif
459 
460 #endif /* _SYS_HYPERVISOR_API_H */
461