xref: /titanic_51/usr/src/uts/sun4v/sys/hypervisor_api.h (revision f8d8d7b32d22897bd2af32f5fa5bbdc9c0797277)
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 /*
53  * Error returns in %o0.
54  * (Additional result is returned in %o1.)
55  */
56 #define	H_EOK			0	/* Successful return */
57 #define	H_ENOCPU		1	/* Invalid CPU id */
58 #define	H_ENORADDR		2	/* Invalid real address */
59 #define	H_ENOINTR		3	/* Invalid interrupt id */
60 #define	H_EBADPGSZ		4	/* Invalid pagesize encoding */
61 #define	H_EBADTSB		5	/* Invalid TSB description */
62 #define	H_EINVAL		6	/* Invalid argument */
63 #define	H_EBADTRAP		7	/* Invalid function number */
64 #define	H_EBADALIGN		8	/* Invalid address alignment */
65 #define	H_EWOULDBLOCK		9	/* Cannot complete operation */
66 					/* without blocking */
67 #define	H_ENOACCESS		10	/* No access to resource */
68 #define	H_EIO			11	/* I/O error */
69 #define	H_ECPUERROR		12	/* CPU is in error state */
70 #define	H_ENOTSUPPORTED		13	/* Function not supported */
71 #define	H_ENOMAP		14	/* Mapping is not valid, */
72 					/* no translation exists */
73 #define	H_EBUSY			17	/* Resource busy */
74 
75 #define	H_BREAK			-1	/* Console Break */
76 #define	H_HUP			-2	/* Console Break */
77 
78 /*
79  * Mondo CPU ID argument processing.
80  */
81 #define	HV_SEND_MONDO_ENTRYDONE	0xffff
82 
83 /*
84  * Function numbers for FAST_TRAP.
85  */
86 #define	HV_MACH_EXIT		0x00
87 #define	HV_MACH_DESC		0x01
88 #define	HV_CPU_YIELD		0x12
89 #define	CPU_QCONF		0x14
90 #define	HV_CPU_STATE		0x17
91 #define	MMU_TSB_CTX0		0x20
92 #define	MMU_TSB_CTXNON0		0x21
93 #define	MMU_DEMAP_PAGE		0x22
94 #define	MMU_DEMAP_CTX		0x23
95 #define	MMU_DEMAP_ALL		0x24
96 #define	MAP_PERM_ADDR		0x25
97 #define	MMU_SET_INFOPTR		0x26
98 #define	UNMAP_PERM_ADDR		0x28
99 #define	HV_MEM_SCRUB		0x31
100 #define	HV_MEM_SYNC		0x32
101 #define	HV_INTR_SEND		0x42
102 #define	TOD_GET			0x50
103 #define	TOD_SET			0x51
104 #define	CONS_READ		0x60
105 #define	CONS_WRITE		0x61
106 
107 #define	TTRACE_BUF_CONF		0x90
108 #define	TTRACE_BUF_INFO		0x91
109 #define	TTRACE_ENABLE		0x92
110 #define	TTRACE_FREEZE		0x93
111 
112 #define	DUMP_BUF_UPDATE		0x94
113 
114 #define	HVIO_INTR_DEVINO2SYSINO	0xa0
115 #define	HVIO_INTR_GETVALID	0xa1
116 #define	HVIO_INTR_SETVALID	0xa2
117 #define	HVIO_INTR_GETSTATE	0xa3
118 #define	HVIO_INTR_SETSTATE	0xa4
119 #define	HVIO_INTR_GETTARGET	0xa5
120 #define	HVIO_INTR_SETTARGET	0xa6
121 
122 #ifdef SET_MMU_STATS
123 #define	MMU_STAT_AREA		0xfc
124 #endif /* SET_MMU_STATS */
125 
126 #define	HV_RA2PA		0x200
127 #define	HV_HPRIV		0x201
128 
129 /*
130  * Bits for MMU functions flags argument:
131  *	arg3 of MMU_MAP_ADDR
132  *	arg3 of MMU_DEMAP_CTX
133  *	arg2 of MMU_DEMAP_ALL
134  */
135 #define	MAP_DTLB		0x1
136 #define	MAP_ITLB		0x2
137 
138 
139 /*
140  * Interrupt state manipulation definitions.
141  */
142 
143 #define	HV_INTR_IDLE_STATE	0
144 #define	HV_INTR_RECEIVED_STATE	1
145 #define	HV_INTR_DELIVERED_STATE	2
146 
147 #define	HV_INTR_NOTVALID	0
148 #define	HV_INTR_VALID		1
149 
150 #ifndef _ASM
151 
152 /*
153  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
154  */
155 typedef struct hv_tsb_info {
156 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
157 	uint16_t	hvtsb_assoc;	/* TSB associativity */
158 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
159 	uint32_t	hvtsb_ctx_index; /* context reg index */
160 	uint32_t	hvtsb_pgszs;	/* sizes in use */
161 	uint64_t	hvtsb_pa;	/* real address of TSB base */
162 	uint64_t	hvtsb_rsvd;	/* reserved */
163 } hv_tsb_info_t;
164 
165 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
166 
167 #ifdef SET_MMU_STATS
168 #ifndef TTE4V_NPGSZ
169 #define	TTE4V_NPGSZ	8
170 #endif /* TTE4V_NPGSZ */
171 /*
172  * MMU statistics structure for MMU_STAT_AREA
173  */
174 struct mmu_stat_one {
175 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
176 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
177 	uint64_t	tsb_miss;
178 	uint64_t	tlb_miss;	/* miss, no TSB set */
179 	uint64_t	map_ctx0[TTE4V_NPGSZ];
180 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
181 };
182 
183 struct mmu_stat {
184 	struct mmu_stat_one	immu_stat;
185 	struct mmu_stat_one	dmmu_stat;
186 	uint64_t		set_ctx0;
187 	uint64_t		set_ctxn0;
188 };
189 #endif /* SET_MMU_STATS */
190 
191 #endif /* _ASM */
192 
193 /*
194  * CPU States
195  */
196 #define	CPU_STATE_INVALID	0x0
197 #define	CPU_STATE_IDLE		0x1	/* cpu not started */
198 #define	CPU_STATE_GUEST		0x2	/* cpu running guest code */
199 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
200 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
201 
202 /*
203  * MMU fault status area
204  */
205 
206 #define	MMFSA_TYPE_	0x00	/* fault type */
207 #define	MMFSA_ADDR_	0x08	/* fault address */
208 #define	MMFSA_CTX_	0x10	/* fault context */
209 
210 #define	MMFSA_I_	0x00		/* start of fields for I */
211 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
212 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
213 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
214 
215 #define	MMFSA_D_	0x40		/* start of fields for D */
216 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
217 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
218 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
219 
220 #define	MMFSA_F_FMISS	1	/* fast miss */
221 #define	MMFSA_F_FPROT	2	/* fast protection */
222 #define	MMFSA_F_MISS	3	/* mmu miss */
223 #define	MMFSA_F_INVRA	4	/* invalid RA */
224 #define	MMFSA_F_PRIV	5	/* privilege violation */
225 #define	MMFSA_F_PROT	6	/* protection violation */
226 #define	MMFSA_F_NFO	7	/* NFO access */
227 #define	MMFSA_F_SOPG	8	/* so page */
228 #define	MMFSA_F_INVVA	9	/* invalid VA */
229 #define	MMFSA_F_INVASI	10	/* invalid ASI */
230 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
231 #define	MMFSA_F_PRVACT	12	/* privileged action */
232 #define	MMFSA_F_WPT	13	/* watchpoint hit */
233 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
234 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
235 
236 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
237 
238 /*
239  * MMU fault status - MMFSA_IFS and MMFSA_DFS
240  */
241 #define	MMFS_FV		0x00000001
242 #define	MMFS_OW		0x00000002
243 #define	MMFS_W		0x00000004
244 #define	MMFS_PR		0x00000008
245 #define	MMFS_CT		0x00000030
246 #define	MMFS_E		0x00000040
247 #define	MMFS_FT		0x00003f80
248 #define	MMFS_ME		0x00004000
249 #define	MMFS_TM		0x00008000
250 #define	MMFS_ASI	0x00ff0000
251 #define	MMFS_NF		0x01000000
252 
253 /*
254  * DMA sync parameter definitions
255  */
256 #define	HVIO_DMA_SYNC_DIR_TO_DEV	0x01
257 #define	HVIO_DMA_SYNC_DIR_FROM_DEV	0x02
258 
259 #ifndef _ASM
260 
261 extern uint64_t hv_mmu_map_perm_addr(void *, int, uint64_t, int);
262 extern uint64_t	hv_mmu_unmap_perm_addr(void *, int, int);
263 extern uint64_t	hv_set_ctx0(uint64_t, uint64_t);
264 extern uint64_t	hv_set_ctxnon0(uint64_t, uint64_t);
265 #ifdef SET_MMU_STATS
266 extern uint64_t hv_mmu_set_stat_area(uint64_t, uint64_t);
267 #endif /* SET_MMU_STATS */
268 
269 extern uint64_t hv_cpu_qconf(int queue, uint64_t paddr, int size);
270 extern uint64_t hv_cpu_yield();
271 
272 extern uint64_t hv_cpu_state(uint64_t cpuid, uint64_t *cpu_state);
273 extern uint64_t hv_mem_scrub(uint64_t real_addr, uint64_t length,
274     uint64_t *scrubbed_len);
275 extern uint64_t hv_mem_sync(uint64_t real_addr, uint64_t length,
276     uint64_t *flushed_len);
277 
278 extern uint64_t hv_service_recv(uint64_t s_id, uint64_t buf_pa,
279     uint64_t size, uint64_t *recv_bytes);
280 extern uint64_t hv_service_send(uint64_t s_id, uint64_t buf_pa,
281     uint64_t size, uint64_t *send_bytes);
282 extern uint64_t hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
283 extern uint64_t hv_service_setstatus(uint64_t s_id, uint64_t bits);
284 extern uint64_t hv_service_clrstatus(uint64_t s_id, uint64_t bits);
285 
286 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
287 
288 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
289 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
290 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
291 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
292 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
293 
294 extern int64_t hv_cnputchar(uint8_t);
295 extern int64_t hv_cngetchar(uint8_t *);
296 
297 extern uint64_t hv_tod_get(uint64_t *seconds);
298 extern uint64_t hv_tod_set(uint64_t);
299 
300 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
301     uint64_t *sysino);
302 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
303     int *intr_valid_state);
304 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
305     int intr_valid_state);
306 extern uint64_t hvio_intr_getstate(uint64_t sysino,
307     int *intr_state);
308 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
309 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
310 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
311 
312 #endif
313 
314 #ifdef __cplusplus
315 }
316 #endif
317 
318 #endif /* _SYS_HYPERVISOR_API_H */
319