xref: /titanic_50/usr/src/uts/sun4v/sys/hypervisor_api.h (revision fd5e9823d4460a5415f67ed45c1ba18531689ecc)
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 2006 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * sun4v Hypervisor API
34  *
35  * Reference: api.pdf Revision 0.12 dated May 12, 2004.
36  *	      io-api.txt version 1.11 dated 10/19/2004
37  */
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 /*
44  * Trap types
45  */
46 #define	FAST_TRAP		0x80	/* Function # in %o5 */
47 #define	CPU_TICK_NPT		0x81
48 #define	CPU_STICK_NPT		0x82
49 #define	MMU_MAP_ADDR		0x83
50 #define	MMU_UNMAP_ADDR		0x84
51 
52 #define	CORE_TRAP		0xff
53 
54 /*
55  * Error returns in %o0.
56  * (Additional result is returned in %o1.)
57  */
58 #define	H_EOK			0	/* Successful return */
59 #define	H_ENOCPU		1	/* Invalid CPU id */
60 #define	H_ENORADDR		2	/* Invalid real address */
61 #define	H_ENOINTR		3	/* Invalid interrupt id */
62 #define	H_EBADPGSZ		4	/* Invalid pagesize encoding */
63 #define	H_EBADTSB		5	/* Invalid TSB description */
64 #define	H_EINVAL		6	/* Invalid argument */
65 #define	H_EBADTRAP		7	/* Invalid function number */
66 #define	H_EBADALIGN		8	/* Invalid address alignment */
67 #define	H_EWOULDBLOCK		9	/* Cannot complete operation */
68 					/* without blocking */
69 #define	H_ENOACCESS		10	/* No access to resource */
70 #define	H_EIO			11	/* I/O error */
71 #define	H_ECPUERROR		12	/* CPU is in error state */
72 #define	H_ENOTSUPPORTED		13	/* Function not supported */
73 #define	H_ENOMAP		14	/* Mapping is not valid, */
74 					/* no translation exists */
75 #define	H_EBUSY			17	/* Resource busy */
76 #define	H_ETOOMANY		15	/* Hard resource limit exceeded */
77 #define	H_ECHANNEL		16	/* Illegal LDC channel */
78 
79 #define	H_BREAK			-1	/* Console Break */
80 #define	H_HUP			-2	/* Console Break */
81 
82 /*
83  * Mondo CPU ID argument processing.
84  */
85 #define	HV_SEND_MONDO_ENTRYDONE	0xffff
86 
87 /*
88  * Function numbers for FAST_TRAP.
89  */
90 #define	HV_MACH_EXIT		0x00
91 #define	HV_MACH_DESC		0x01
92 #define	HV_MACH_SIR		0x02
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 
122 #define	TTRACE_BUF_CONF		0x90
123 #define	TTRACE_BUF_INFO		0x91
124 #define	TTRACE_ENABLE		0x92
125 #define	TTRACE_FREEZE		0x93
126 #define	DUMP_BUF_UPDATE		0x94
127 
128 #define	HVIO_INTR_DEVINO2SYSINO	0xa0
129 #define	HVIO_INTR_GETVALID	0xa1
130 #define	HVIO_INTR_SETVALID	0xa2
131 #define	HVIO_INTR_GETSTATE	0xa3
132 #define	HVIO_INTR_SETSTATE	0xa4
133 #define	HVIO_INTR_GETTARGET	0xa5
134 #define	HVIO_INTR_SETTARGET	0xa6
135 
136 #define	VINTR_GET_COOKIE	0xa7
137 #define	VINTR_SET_COOKIE	0xa8
138 #define	VINTR_GET_VALID		0xa9
139 #define	VINTR_SET_VALID		0xaa
140 #define	VINTR_GET_STATE		0xab
141 #define	VINTR_SET_STATE		0xac
142 #define	VINTR_GET_TARGET	0xad
143 #define	VINTR_SET_TARGET	0xae
144 
145 #define	LDC_TX_QCONF		0xe0
146 #define	LDC_TX_QINFO		0xe1
147 #define	LDC_TX_GET_STATE	0xe2
148 #define	LDC_TX_SET_QTAIL	0xe3
149 #define	LDC_RX_QCONF		0xe4
150 #define	LDC_RX_QINFO		0xe5
151 #define	LDC_RX_GET_STATE	0xe6
152 #define	LDC_RX_SET_QHEAD	0xe7
153 
154 #define	LDC_SET_MAP_TABLE	0xea
155 #define	LDC_GET_MAP_TABLE	0xeb
156 #define	LDC_COPY		0xec
157 #define	LDC_MAPIN		0xed
158 #define	LDC_UNMAP		0xee
159 #define	LDC_REVOKE		0xef
160 
161 #ifdef SET_MMU_STATS
162 #define	MMU_STAT_AREA		0xfc
163 #endif /* SET_MMU_STATS */
164 
165 #define	HV_RA2PA		0x200
166 #define	HV_HPRIV		0x201
167 
168 /*
169  * Function numbers for CORE_TRAP.
170  */
171 #define	API_SET_VERSION		0x00
172 #define	API_PUT_CHAR		0x01
173 #define	API_EXIT		0x02
174 #define	API_GET_VERSION		0x03
175 
176 
177 /*
178  * Bits for MMU functions flags argument:
179  *	arg3 of MMU_MAP_ADDR
180  *	arg3 of MMU_DEMAP_CTX
181  *	arg2 of MMU_DEMAP_ALL
182  */
183 #define	MAP_DTLB		0x1
184 #define	MAP_ITLB		0x2
185 
186 
187 /*
188  * Interrupt state manipulation definitions.
189  */
190 
191 #define	HV_INTR_IDLE_STATE	0
192 #define	HV_INTR_RECEIVED_STATE	1
193 #define	HV_INTR_DELIVERED_STATE	2
194 
195 #define	HV_INTR_NOTVALID	0
196 #define	HV_INTR_VALID		1
197 
198 #ifndef _ASM
199 
200 /*
201  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
202  */
203 typedef struct hv_tsb_info {
204 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
205 	uint16_t	hvtsb_assoc;	/* TSB associativity */
206 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
207 	uint32_t	hvtsb_ctx_index; /* context reg index */
208 	uint32_t	hvtsb_pgszs;	/* sizes in use */
209 	uint64_t	hvtsb_pa;	/* real address of TSB base */
210 	uint64_t	hvtsb_rsvd;	/* reserved */
211 } hv_tsb_info_t;
212 
213 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
214 
215 #ifdef SET_MMU_STATS
216 #ifndef TTE4V_NPGSZ
217 #define	TTE4V_NPGSZ	8
218 #endif /* TTE4V_NPGSZ */
219 /*
220  * MMU statistics structure for MMU_STAT_AREA
221  */
222 struct mmu_stat_one {
223 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
224 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
225 	uint64_t	tsb_miss;
226 	uint64_t	tlb_miss;	/* miss, no TSB set */
227 	uint64_t	map_ctx0[TTE4V_NPGSZ];
228 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
229 };
230 
231 struct mmu_stat {
232 	struct mmu_stat_one	immu_stat;
233 	struct mmu_stat_one	dmmu_stat;
234 	uint64_t		set_ctx0;
235 	uint64_t		set_ctxn0;
236 };
237 #endif /* SET_MMU_STATS */
238 
239 #endif /* ! _ASM */
240 
241 /*
242  * CPU States
243  */
244 #define	CPU_STATE_INVALID	0x0
245 #define	CPU_STATE_STOPPED	0x1	/* cpu not started */
246 #define	CPU_STATE_RUNNING	0x2	/* cpu running guest code */
247 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
248 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
249 
250 /*
251  * MMU fault status area
252  */
253 
254 #define	MMFSA_TYPE_	0x00	/* fault type */
255 #define	MMFSA_ADDR_	0x08	/* fault address */
256 #define	MMFSA_CTX_	0x10	/* fault context */
257 
258 #define	MMFSA_I_	0x00		/* start of fields for I */
259 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
260 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
261 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
262 
263 #define	MMFSA_D_	0x40		/* start of fields for D */
264 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
265 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
266 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
267 
268 #define	MMFSA_F_FMISS	1	/* fast miss */
269 #define	MMFSA_F_FPROT	2	/* fast protection */
270 #define	MMFSA_F_MISS	3	/* mmu miss */
271 #define	MMFSA_F_INVRA	4	/* invalid RA */
272 #define	MMFSA_F_PRIV	5	/* privilege violation */
273 #define	MMFSA_F_PROT	6	/* protection violation */
274 #define	MMFSA_F_NFO	7	/* NFO access */
275 #define	MMFSA_F_SOPG	8	/* so page */
276 #define	MMFSA_F_INVVA	9	/* invalid VA */
277 #define	MMFSA_F_INVASI	10	/* invalid ASI */
278 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
279 #define	MMFSA_F_PRVACT	12	/* privileged action */
280 #define	MMFSA_F_WPT	13	/* watchpoint hit */
281 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
282 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
283 
284 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
285 
286 /*
287  * MMU fault status - MMFSA_IFS and MMFSA_DFS
288  */
289 #define	MMFS_FV		0x00000001
290 #define	MMFS_OW		0x00000002
291 #define	MMFS_W		0x00000004
292 #define	MMFS_PR		0x00000008
293 #define	MMFS_CT		0x00000030
294 #define	MMFS_E		0x00000040
295 #define	MMFS_FT		0x00003f80
296 #define	MMFS_ME		0x00004000
297 #define	MMFS_TM		0x00008000
298 #define	MMFS_ASI	0x00ff0000
299 #define	MMFS_NF		0x01000000
300 
301 /*
302  * DMA sync parameter definitions
303  */
304 #define	HVIO_DMA_SYNC_DIR_TO_DEV	0x01
305 #define	HVIO_DMA_SYNC_DIR_FROM_DEV	0x02
306 
307 /*
308  * LDC Channel States
309  */
310 #define	LDC_CHANNEL_DOWN	0x0
311 #define	LDC_CHANNEL_UP		0x1
312 #define	LDC_CHANNEL_RESET	0x2
313 
314 #ifndef _ASM
315 
316 extern uint64_t hv_mmu_map_perm_addr(void *, int, uint64_t, int);
317 extern uint64_t	hv_mmu_unmap_perm_addr(void *, int, int);
318 extern uint64_t hv_mach_exit(uint64_t exit_code);
319 extern uint64_t hv_mach_sir(void);
320 
321 extern uint64_t hv_cpu_start(uint64_t cpuid, uint64_t pc, uint64_t rtba,
322     uint64_t arg);
323 extern uint64_t hv_cpu_stop(uint64_t cpuid);
324 extern uint64_t hv_cpu_set_rtba(uint64_t *rtba);
325 
326 extern uint64_t	hv_set_ctx0(uint64_t, uint64_t);
327 extern uint64_t	hv_set_ctxnon0(uint64_t, uint64_t);
328 extern uint64_t hv_mmu_fault_area_conf(void *raddr);
329 #ifdef SET_MMU_STATS
330 extern uint64_t hv_mmu_set_stat_area(uint64_t, uint64_t);
331 #endif /* SET_MMU_STATS */
332 
333 extern uint64_t hv_cpu_qconf(int queue, uint64_t paddr, int size);
334 extern uint64_t hv_cpu_yield(void);
335 extern uint64_t hv_cpu_state(uint64_t cpuid, uint64_t *cpu_state);
336 extern uint64_t hv_mem_scrub(uint64_t real_addr, uint64_t length,
337     uint64_t *scrubbed_len);
338 extern uint64_t hv_mem_sync(uint64_t real_addr, uint64_t length,
339     uint64_t *flushed_len);
340 
341 extern uint64_t hv_service_recv(uint64_t s_id, uint64_t buf_pa,
342     uint64_t size, uint64_t *recv_bytes);
343 extern uint64_t hv_service_send(uint64_t s_id, uint64_t buf_pa,
344     uint64_t size, uint64_t *send_bytes);
345 extern uint64_t hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
346 extern uint64_t hv_service_setstatus(uint64_t s_id, uint64_t bits);
347 extern uint64_t hv_service_clrstatus(uint64_t s_id, uint64_t bits);
348 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
349 
350 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
351 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
352 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
353 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
354 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
355 
356 extern int64_t hv_cnputchar(uint8_t);
357 extern int64_t hv_cngetchar(uint8_t *);
358 
359 extern uint64_t hv_tod_get(uint64_t *seconds);
360 extern uint64_t hv_tod_set(uint64_t);
361 
362 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
363     uint64_t *sysino);
364 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
365 	int *intr_valid_state);
366 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
367 	int intr_valid_state);
368 extern uint64_t hvio_intr_getstate(uint64_t sysino,
369 	int *intr_state);
370 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
371 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
372 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
373 
374 extern uint64_t hv_ldc_tx_qconf(uint64_t channel, uint64_t ra_base,
375     uint64_t nentries);
376 extern uint64_t hv_ldc_tx_qinfo(uint64_t channel, uint64_t *ra_base,
377     uint64_t *nentries);
378 extern uint64_t hv_ldc_tx_get_state(uint64_t channel, uint64_t *headp,
379     uint64_t *tailp, uint64_t *state);
380 extern uint64_t hv_ldc_tx_set_qtail(uint64_t channel, uint64_t tail);
381 extern uint64_t hv_ldc_rx_qconf(uint64_t channel, uint64_t ra_base,
382     uint64_t nentries);
383 extern uint64_t hv_ldc_rx_qinfo(uint64_t channel, uint64_t *ra_base,
384     uint64_t *nentries);
385 extern uint64_t hv_ldc_rx_get_state(uint64_t channel, uint64_t *headp,
386     uint64_t *tailp, uint64_t *state);
387 extern uint64_t hv_ldc_rx_set_qhead(uint64_t channel, uint64_t head);
388 
389 extern uint64_t hv_ldc_set_map_table(uint64_t channel, uint64_t tbl_ra,
390     uint64_t tbl_entries);
391 extern uint64_t hv_ldc_get_map_table(uint64_t channel, uint64_t *tbl_ra,
392     uint64_t *tbl_entries);
393 extern uint64_t hv_ldc_copy(uint64_t channel, uint64_t request,
394     uint64_t cookie, uint64_t raddr, uint64_t length, uint64_t *lengthp);
395 extern uint64_t hv_ldc_mapin(uint64_t channel, uint64_t cookie,
396     uint64_t *raddr, uint64_t *perm);
397 extern uint64_t hv_ldc_unmap(uint64_t raddr);
398 extern uint64_t hv_ldc_revoke(uint64_t raddr);
399 extern uint64_t hv_api_get_version(uint64_t api_group, uint64_t *majorp,
400     uint64_t *minorp);
401 extern uint64_t hv_api_set_version(uint64_t api_group, uint64_t major,
402     uint64_t minor, uint64_t *supported_minor);
403 
404 extern uint64_t hvldc_intr_getcookie(uint64_t dev_hdl, uint32_t devino,
405     uint64_t *cookie);
406 extern uint64_t hvldc_intr_setcookie(uint64_t dev_hdl, uint32_t devino,
407     uint64_t cookie);
408 extern uint64_t hvldc_intr_getvalid(uint64_t dev_hdl, uint32_t devino,
409     int *intr_valid_state);
410 extern uint64_t hvldc_intr_setvalid(uint64_t dev_hdl, uint32_t devino,
411     int intr_valid_state);
412 extern uint64_t hvldc_intr_getstate(uint64_t dev_hdl, uint32_t devino,
413     int *intr_state);
414 extern uint64_t hvldc_intr_setstate(uint64_t dev_hdl, uint32_t devino,
415     int intr_state);
416 extern uint64_t hvldc_intr_gettarget(uint64_t dev_hdl, uint32_t devino,
417     uint32_t *cpuid);
418 extern uint64_t hvldc_intr_settarget(uint64_t dev_hdl, uint32_t devino,
419     uint32_t cpuid);
420 
421 #endif /* ! _ASM */
422 
423 
424 #ifdef __cplusplus
425 }
426 #endif
427 
428 #endif /* _SYS_HYPERVISOR_API_H */
429