xref: /titanic_41/usr/src/uts/sun4v/sys/hypervisor_api.h (revision ba2e4443695ee6a6f420a35cd4fc3d3346d22932)
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 #define	MACH_SET_WATCHDOG	0x05
94 
95 #define	HV_CPU_START		0x10
96 #define	HV_CPU_STOP		0x11
97 #define	HV_CPU_YIELD		0x12
98 #define	HV_CPU_QCONF		0x14
99 #define	HV_CPU_STATE		0x17
100 #define	HV_CPU_SET_RTBA		0x18
101 
102 #define	MMU_TSB_CTX0		0x20
103 #define	MMU_TSB_CTXNON0		0x21
104 #define	MMU_DEMAP_PAGE		0x22
105 #define	MMU_DEMAP_CTX		0x23
106 #define	MMU_DEMAP_ALL		0x24
107 #define	MAP_PERM_ADDR		0x25
108 #define	MMU_SET_INFOPTR		0x26
109 #define	MMU_ENABLE		0x27
110 #define	UNMAP_PERM_ADDR		0x28
111 
112 #define	HV_MEM_SCRUB		0x31
113 #define	HV_MEM_SYNC		0x32
114 
115 #define	HV_INTR_SEND		0x42
116 
117 #define	TOD_GET			0x50
118 #define	TOD_SET			0x51
119 
120 #define	CONS_GETCHAR		0x60
121 #define	CONS_PUTCHAR		0x61
122 #define	CONS_READ		0x62
123 #define	CONS_WRITE		0x63
124 
125 #define	TTRACE_BUF_CONF		0x90
126 #define	TTRACE_BUF_INFO		0x91
127 #define	TTRACE_ENABLE		0x92
128 #define	TTRACE_FREEZE		0x93
129 #define	DUMP_BUF_UPDATE		0x94
130 
131 #define	HVIO_INTR_DEVINO2SYSINO	0xa0
132 #define	HVIO_INTR_GETVALID	0xa1
133 #define	HVIO_INTR_SETVALID	0xa2
134 #define	HVIO_INTR_GETSTATE	0xa3
135 #define	HVIO_INTR_SETSTATE	0xa4
136 #define	HVIO_INTR_GETTARGET	0xa5
137 #define	HVIO_INTR_SETTARGET	0xa6
138 
139 #define	VINTR_GET_COOKIE	0xa7
140 #define	VINTR_SET_COOKIE	0xa8
141 #define	VINTR_GET_VALID		0xa9
142 #define	VINTR_SET_VALID		0xaa
143 #define	VINTR_GET_STATE		0xab
144 #define	VINTR_SET_STATE		0xac
145 #define	VINTR_GET_TARGET	0xad
146 #define	VINTR_SET_TARGET	0xae
147 
148 #define	LDC_TX_QCONF		0xe0
149 #define	LDC_TX_QINFO		0xe1
150 #define	LDC_TX_GET_STATE	0xe2
151 #define	LDC_TX_SET_QTAIL	0xe3
152 #define	LDC_RX_QCONF		0xe4
153 #define	LDC_RX_QINFO		0xe5
154 #define	LDC_RX_GET_STATE	0xe6
155 #define	LDC_RX_SET_QHEAD	0xe7
156 
157 #define	LDC_SET_MAP_TABLE	0xea
158 #define	LDC_GET_MAP_TABLE	0xeb
159 #define	LDC_COPY		0xec
160 #define	LDC_MAPIN		0xed
161 #define	LDC_UNMAP		0xee
162 #define	LDC_REVOKE		0xef
163 
164 #ifdef SET_MMU_STATS
165 #define	MMU_STAT_AREA		0xfc
166 #endif /* SET_MMU_STATS */
167 
168 #define	HV_RA2PA		0x200
169 #define	HV_HPRIV		0x201
170 
171 /*
172  * Function numbers for CORE_TRAP.
173  */
174 #define	API_SET_VERSION		0x00
175 #define	API_PUT_CHAR		0x01
176 #define	API_EXIT		0x02
177 #define	API_GET_VERSION		0x03
178 
179 
180 /*
181  * Bits for MMU functions flags argument:
182  *	arg3 of MMU_MAP_ADDR
183  *	arg3 of MMU_DEMAP_CTX
184  *	arg2 of MMU_DEMAP_ALL
185  */
186 #define	MAP_DTLB		0x1
187 #define	MAP_ITLB		0x2
188 
189 
190 /*
191  * Interrupt state manipulation definitions.
192  */
193 
194 #define	HV_INTR_IDLE_STATE	0
195 #define	HV_INTR_RECEIVED_STATE	1
196 #define	HV_INTR_DELIVERED_STATE	2
197 
198 #define	HV_INTR_NOTVALID	0
199 #define	HV_INTR_VALID		1
200 
201 #ifndef _ASM
202 
203 /*
204  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
205  */
206 typedef struct hv_tsb_info {
207 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
208 	uint16_t	hvtsb_assoc;	/* TSB associativity */
209 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
210 	uint32_t	hvtsb_ctx_index; /* context reg index */
211 	uint32_t	hvtsb_pgszs;	/* sizes in use */
212 	uint64_t	hvtsb_pa;	/* real address of TSB base */
213 	uint64_t	hvtsb_rsvd;	/* reserved */
214 } hv_tsb_info_t;
215 
216 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
217 
218 #ifdef SET_MMU_STATS
219 #ifndef TTE4V_NPGSZ
220 #define	TTE4V_NPGSZ	8
221 #endif /* TTE4V_NPGSZ */
222 /*
223  * MMU statistics structure for MMU_STAT_AREA
224  */
225 struct mmu_stat_one {
226 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
227 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
228 	uint64_t	tsb_miss;
229 	uint64_t	tlb_miss;	/* miss, no TSB set */
230 	uint64_t	map_ctx0[TTE4V_NPGSZ];
231 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
232 };
233 
234 struct mmu_stat {
235 	struct mmu_stat_one	immu_stat;
236 	struct mmu_stat_one	dmmu_stat;
237 	uint64_t		set_ctx0;
238 	uint64_t		set_ctxn0;
239 };
240 #endif /* SET_MMU_STATS */
241 
242 #endif /* ! _ASM */
243 
244 /*
245  * CPU States
246  */
247 #define	CPU_STATE_INVALID	0x0
248 #define	CPU_STATE_STOPPED	0x1	/* cpu not started */
249 #define	CPU_STATE_RUNNING	0x2	/* cpu running guest code */
250 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
251 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
252 
253 /*
254  * MMU fault status area
255  */
256 
257 #define	MMFSA_TYPE_	0x00	/* fault type */
258 #define	MMFSA_ADDR_	0x08	/* fault address */
259 #define	MMFSA_CTX_	0x10	/* fault context */
260 
261 #define	MMFSA_I_	0x00		/* start of fields for I */
262 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
263 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
264 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
265 
266 #define	MMFSA_D_	0x40		/* start of fields for D */
267 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
268 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
269 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
270 
271 #define	MMFSA_F_FMISS	1	/* fast miss */
272 #define	MMFSA_F_FPROT	2	/* fast protection */
273 #define	MMFSA_F_MISS	3	/* mmu miss */
274 #define	MMFSA_F_INVRA	4	/* invalid RA */
275 #define	MMFSA_F_PRIV	5	/* privilege violation */
276 #define	MMFSA_F_PROT	6	/* protection violation */
277 #define	MMFSA_F_NFO	7	/* NFO access */
278 #define	MMFSA_F_SOPG	8	/* so page */
279 #define	MMFSA_F_INVVA	9	/* invalid VA */
280 #define	MMFSA_F_INVASI	10	/* invalid ASI */
281 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
282 #define	MMFSA_F_PRVACT	12	/* privileged action */
283 #define	MMFSA_F_WPT	13	/* watchpoint hit */
284 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
285 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
286 
287 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
288 
289 /*
290  * MMU fault status - MMFSA_IFS and MMFSA_DFS
291  */
292 #define	MMFS_FV		0x00000001
293 #define	MMFS_OW		0x00000002
294 #define	MMFS_W		0x00000004
295 #define	MMFS_PR		0x00000008
296 #define	MMFS_CT		0x00000030
297 #define	MMFS_E		0x00000040
298 #define	MMFS_FT		0x00003f80
299 #define	MMFS_ME		0x00004000
300 #define	MMFS_TM		0x00008000
301 #define	MMFS_ASI	0x00ff0000
302 #define	MMFS_NF		0x01000000
303 
304 /*
305  * DMA sync parameter definitions
306  */
307 #define	HVIO_DMA_SYNC_DIR_TO_DEV	0x01
308 #define	HVIO_DMA_SYNC_DIR_FROM_DEV	0x02
309 
310 /*
311  * LDC Channel States
312  */
313 #define	LDC_CHANNEL_DOWN	0x0
314 #define	LDC_CHANNEL_UP		0x1
315 #define	LDC_CHANNEL_RESET	0x2
316 
317 #ifndef _ASM
318 
319 extern uint64_t hv_mmu_map_perm_addr(void *, int, uint64_t, int);
320 extern uint64_t	hv_mmu_unmap_perm_addr(void *, int, int);
321 extern uint64_t hv_mach_exit(uint64_t exit_code);
322 extern uint64_t hv_mach_sir(void);
323 
324 extern uint64_t hv_cpu_start(uint64_t cpuid, uint64_t pc, uint64_t rtba,
325     uint64_t arg);
326 extern uint64_t hv_cpu_stop(uint64_t cpuid);
327 extern uint64_t hv_cpu_set_rtba(uint64_t *rtba);
328 
329 extern uint64_t	hv_set_ctx0(uint64_t, uint64_t);
330 extern uint64_t	hv_set_ctxnon0(uint64_t, uint64_t);
331 extern uint64_t hv_mmu_fault_area_conf(void *raddr);
332 #ifdef SET_MMU_STATS
333 extern uint64_t hv_mmu_set_stat_area(uint64_t, uint64_t);
334 #endif /* SET_MMU_STATS */
335 
336 extern uint64_t hv_cpu_qconf(int queue, uint64_t paddr, int size);
337 extern uint64_t hv_cpu_yield(void);
338 extern uint64_t hv_cpu_state(uint64_t cpuid, uint64_t *cpu_state);
339 extern uint64_t hv_mem_scrub(uint64_t real_addr, uint64_t length,
340     uint64_t *scrubbed_len);
341 extern uint64_t hv_mem_sync(uint64_t real_addr, uint64_t length,
342     uint64_t *flushed_len);
343 
344 extern uint64_t hv_service_recv(uint64_t s_id, uint64_t buf_pa,
345     uint64_t size, uint64_t *recv_bytes);
346 extern uint64_t hv_service_send(uint64_t s_id, uint64_t buf_pa,
347     uint64_t size, uint64_t *send_bytes);
348 extern uint64_t hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
349 extern uint64_t hv_service_setstatus(uint64_t s_id, uint64_t bits);
350 extern uint64_t hv_service_clrstatus(uint64_t s_id, uint64_t bits);
351 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
352 
353 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
354 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
355 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
356 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
357 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
358 extern uint64_t hv_mach_set_watchdog(uint64_t, uint64_t *);
359 
360 extern int64_t hv_cnputchar(uint8_t);
361 extern int64_t hv_cngetchar(uint8_t *);
362 extern int64_t hv_cnwrite(uint64_t, uint64_t, uint64_t *);
363 extern int64_t hv_cnread(uint64_t, uint64_t, int64_t *);
364 
365 extern uint64_t hv_tod_get(uint64_t *seconds);
366 extern uint64_t hv_tod_set(uint64_t);
367 
368 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
369     uint64_t *sysino);
370 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
371 	int *intr_valid_state);
372 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
373 	int intr_valid_state);
374 extern uint64_t hvio_intr_getstate(uint64_t sysino,
375 	int *intr_state);
376 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
377 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
378 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
379 
380 extern uint64_t hv_ldc_tx_qconf(uint64_t channel, uint64_t ra_base,
381     uint64_t nentries);
382 extern uint64_t hv_ldc_tx_qinfo(uint64_t channel, uint64_t *ra_base,
383     uint64_t *nentries);
384 extern uint64_t hv_ldc_tx_get_state(uint64_t channel, uint64_t *headp,
385     uint64_t *tailp, uint64_t *state);
386 extern uint64_t hv_ldc_tx_set_qtail(uint64_t channel, uint64_t tail);
387 extern uint64_t hv_ldc_rx_qconf(uint64_t channel, uint64_t ra_base,
388     uint64_t nentries);
389 extern uint64_t hv_ldc_rx_qinfo(uint64_t channel, uint64_t *ra_base,
390     uint64_t *nentries);
391 extern uint64_t hv_ldc_rx_get_state(uint64_t channel, uint64_t *headp,
392     uint64_t *tailp, uint64_t *state);
393 extern uint64_t hv_ldc_rx_set_qhead(uint64_t channel, uint64_t head);
394 
395 extern uint64_t hv_ldc_set_map_table(uint64_t channel, uint64_t tbl_ra,
396     uint64_t tbl_entries);
397 extern uint64_t hv_ldc_get_map_table(uint64_t channel, uint64_t *tbl_ra,
398     uint64_t *tbl_entries);
399 extern uint64_t hv_ldc_copy(uint64_t channel, uint64_t request,
400     uint64_t cookie, uint64_t raddr, uint64_t length, uint64_t *lengthp);
401 extern uint64_t hv_ldc_mapin(uint64_t channel, uint64_t cookie,
402     uint64_t *raddr, uint64_t *perm);
403 extern uint64_t hv_ldc_unmap(uint64_t raddr);
404 extern uint64_t hv_ldc_revoke(uint64_t raddr);
405 extern uint64_t hv_api_get_version(uint64_t api_group, uint64_t *majorp,
406     uint64_t *minorp);
407 extern uint64_t hv_api_set_version(uint64_t api_group, uint64_t major,
408     uint64_t minor, uint64_t *supported_minor);
409 
410 extern uint64_t hvldc_intr_getcookie(uint64_t dev_hdl, uint32_t devino,
411     uint64_t *cookie);
412 extern uint64_t hvldc_intr_setcookie(uint64_t dev_hdl, uint32_t devino,
413     uint64_t cookie);
414 extern uint64_t hvldc_intr_getvalid(uint64_t dev_hdl, uint32_t devino,
415     int *intr_valid_state);
416 extern uint64_t hvldc_intr_setvalid(uint64_t dev_hdl, uint32_t devino,
417     int intr_valid_state);
418 extern uint64_t hvldc_intr_getstate(uint64_t dev_hdl, uint32_t devino,
419     int *intr_state);
420 extern uint64_t hvldc_intr_setstate(uint64_t dev_hdl, uint32_t devino,
421     int intr_state);
422 extern uint64_t hvldc_intr_gettarget(uint64_t dev_hdl, uint32_t devino,
423     uint32_t *cpuid);
424 extern uint64_t hvldc_intr_settarget(uint64_t dev_hdl, uint32_t devino,
425     uint32_t cpuid);
426 
427 #endif /* ! _ASM */
428 
429 
430 #ifdef __cplusplus
431 }
432 #endif
433 
434 #endif /* _SYS_HYPERVISOR_API_H */
435