xref: /titanic_41/usr/src/uts/sun4v/sys/hypervisor_api.h (revision 77b938d5c5dbaf1d833182acdb9de0fc1782fcba)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 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 
74 #define	H_BREAK			-1	/* Console Break */
75 #define	H_HUP			-2	/* Console Break */
76 /*
77  * Function numbers for FAST_TRAP.
78  */
79 #define	HV_MACH_EXIT		0x00
80 #define	HV_MACH_DESC		0x01
81 #define	HV_CPU_YIELD		0x12
82 #define	CPU_QCONF		0x14
83 #define	HV_CPU_STATE		0x17
84 #define	MMU_TSB_CTX0		0x20
85 #define	MMU_TSB_CTXNON0		0x21
86 #define	MMU_DEMAP_PAGE		0x22
87 #define	MMU_DEMAP_CTX		0x23
88 #define	MMU_DEMAP_ALL		0x24
89 #define	MAP_PERM_ADDR		0x25
90 #define	MMU_SET_INFOPTR		0x26
91 #define	UNMAP_PERM_ADDR		0x28
92 #define	HV_MEM_SCRUB		0x31
93 #define	HV_MEM_SYNC		0x32
94 #define	HV_INTR_SEND		0x42
95 #define	TOD_GET			0x50
96 #define	TOD_SET			0x51
97 #define	CONS_READ		0x60
98 #define	CONS_WRITE		0x61
99 
100 #define	SVC_SEND		0x80
101 #define	SVC_RECV		0x81
102 #define	SVC_GETSTATUS		0x82
103 #define	SVC_SETSTATUS		0x83
104 #define	SVC_CLRSTATUS		0x84
105 
106 #define	TTRACE_BUF_CONF		0x90
107 #define	TTRACE_BUF_INFO		0x91
108 #define	TTRACE_ENABLE		0x92
109 #define	TTRACE_FREEZE		0x93
110 
111 #define	DUMP_BUF_UPDATE		0x94
112 
113 #define	HVIO_INTR_DEVINO2SYSINO	0xa0
114 #define	HVIO_INTR_GETVALID	0xa1
115 #define	HVIO_INTR_SETVALID	0xa2
116 #define	HVIO_INTR_GETSTATE	0xa3
117 #define	HVIO_INTR_SETSTATE	0xa4
118 #define	HVIO_INTR_GETTARGET	0xa5
119 #define	HVIO_INTR_SETTARGET	0xa6
120 
121 #define	HVIO_IOMMU_MAP		0xb0
122 #define	HVIO_IOMMU_DEMAP	0xb1
123 #define	HVIO_IOMMU_GETMAP	0xb2
124 #define	HVIO_IOMMU_GETBYPASS	0xb3
125 
126 #define	HVIO_CONFIG_GET		0xb4
127 #define	HVIO_CONFIG_PUT		0xb5
128 
129 #define	HVIO_PEEK		0xb6
130 #define	HVIO_POKE		0xb7
131 
132 #define	HVIO_DMA_SYNC		0xb8
133 
134 #define	HVIO_MSIQ_CONF		0xc0
135 #define	HVIO_MSIQ_INFO		0xc1
136 #define	HVIO_MSIQ_GETVALID	0xc2
137 #define	HVIO_MSIQ_SETVALID	0xc3
138 #define	HVIO_MSIQ_GETSTATE	0xc4
139 #define	HVIO_MSIQ_SETSTATE	0xc5
140 #define	HVIO_MSIQ_GETHEAD	0xc6
141 #define	HVIO_MSIQ_SETHEAD	0xc7
142 #define	HVIO_MSIQ_GETTAIL	0xc8
143 
144 #define	HVIO_MSI_GETVALID	0xc9
145 #define	HVIO_MSI_SETVALID	0xca
146 #define	HVIO_MSI_GETMSIQ	0xcb
147 #define	HVIO_MSI_SETMSIQ	0xcc
148 #define	HVIO_MSI_GETSTATE	0xcd
149 #define	HVIO_MSI_SETSTATE	0xce
150 
151 #define	HVIO_MSG_GETMSIQ	0xd0
152 #define	HVIO_MSG_SETMSIQ	0xd1
153 #define	HVIO_MSG_GETVALID	0xd2
154 #define	HVIO_MSG_SETVALID	0xd3
155 
156 #ifdef SET_MMU_STATS
157 #define	MMU_STAT_AREA		0xfc
158 #endif /* SET_MMU_STATS */
159 
160 #define	HV_NCS_REQUEST		0x110
161 
162 #define	HV_RA2PA		0x200
163 #define	HV_HPRIV		0x201
164 
165 /*
166  * Bits for MMU functions flags argument:
167  *	arg3 of MMU_MAP_ADDR
168  *	arg3 of MMU_DEMAP_CTX
169  *	arg2 of MMU_DEMAP_ALL
170  */
171 #define	MAP_DTLB		0x1
172 #define	MAP_ITLB		0x2
173 
174 
175 /*
176  * Interrupt state manipulation definitions.
177  */
178 
179 #define	HV_INTR_IDLE_STATE	0
180 #define	HV_INTR_RECEIVED_STATE	1
181 #define	HV_INTR_DELIVERED_STATE	2
182 
183 #define	HV_INTR_NOTVALID	0
184 #define	HV_INTR_VALID		1
185 
186 #ifndef _ASM
187 
188 /*
189  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
190  */
191 typedef struct hv_tsb_info {
192 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
193 	uint16_t	hvtsb_assoc;	/* TSB associativity */
194 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
195 	uint32_t	hvtsb_ctx_index; /* context reg index */
196 	uint32_t	hvtsb_pgszs;	/* sizes in use */
197 	uint64_t	hvtsb_pa;	/* real address of TSB base */
198 	uint64_t	hvtsb_rsvd;	/* reserved */
199 } hv_tsb_info_t;
200 
201 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
202 
203 #ifdef SET_MMU_STATS
204 #ifndef TTE4V_NPGSZ
205 #define	TTE4V_NPGSZ	8
206 #endif /* TTE4V_NPGSZ */
207 /*
208  * MMU statistics structure for MMU_STAT_AREA
209  */
210 struct mmu_stat_one {
211 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
212 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
213 	uint64_t	tsb_miss;
214 	uint64_t	tlb_miss;	/* miss, no TSB set */
215 	uint64_t	map_ctx0[TTE4V_NPGSZ];
216 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
217 };
218 
219 struct mmu_stat {
220 	struct mmu_stat_one	immu_stat;
221 	struct mmu_stat_one	dmmu_stat;
222 	uint64_t		set_ctx0;
223 	uint64_t		set_ctxn0;
224 };
225 #endif /* SET_MMU_STATS */
226 
227 #endif /* _ASM */
228 
229 /*
230  * CPU States
231  */
232 #define	CPU_STATE_INVALID	0x0
233 #define	CPU_STATE_IDLE		0x1	/* cpu not started */
234 #define	CPU_STATE_GUEST		0x2	/* cpu running guest code */
235 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
236 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
237 
238 /*
239  * MMU fault status area
240  */
241 
242 #define	MMFSA_TYPE_	0x00	/* fault type */
243 #define	MMFSA_ADDR_	0x08	/* fault address */
244 #define	MMFSA_CTX_	0x10	/* fault context */
245 
246 #define	MMFSA_I_	0x00		/* start of fields for I */
247 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
248 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
249 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
250 
251 #define	MMFSA_D_	0x40		/* start of fields for D */
252 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
253 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
254 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
255 
256 #define	MMFSA_F_FMISS	1	/* fast miss */
257 #define	MMFSA_F_FPROT	2	/* fast protection */
258 #define	MMFSA_F_MISS	3	/* mmu miss */
259 #define	MMFSA_F_INVRA	4	/* invalid RA */
260 #define	MMFSA_F_PRIV	5	/* privilege violation */
261 #define	MMFSA_F_PROT	6	/* protection violation */
262 #define	MMFSA_F_NFO	7	/* NFO access */
263 #define	MMFSA_F_SOPG	8	/* so page */
264 #define	MMFSA_F_INVVA	9	/* invalid VA */
265 #define	MMFSA_F_INVASI	10	/* invalid ASI */
266 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
267 #define	MMFSA_F_PRVACT	12	/* privileged action */
268 #define	MMFSA_F_WPT	13	/* watchpoint hit */
269 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
270 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
271 
272 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
273 
274 /*
275  * MMU fault status - MMFSA_IFS and MMFSA_DFS
276  */
277 #define	MMFS_FV		0x00000001
278 #define	MMFS_OW		0x00000002
279 #define	MMFS_W		0x00000004
280 #define	MMFS_PR		0x00000008
281 #define	MMFS_CT		0x00000030
282 #define	MMFS_E		0x00000040
283 #define	MMFS_FT		0x00003f80
284 #define	MMFS_ME		0x00004000
285 #define	MMFS_TM		0x00008000
286 #define	MMFS_ASI	0x00ff0000
287 #define	MMFS_NF		0x01000000
288 
289 /*
290  * DMA sync parameter definitions
291  */
292 #define	HVIO_DMA_SYNC_DIR_TO_DEV	0x01
293 #define	HVIO_DMA_SYNC_DIR_FROM_DEV	0x02
294 
295 #ifndef _ASM
296 
297 extern uint64_t hv_mmu_map_perm_addr(void *, int, uint64_t, int);
298 extern uint64_t	hv_mmu_unmap_perm_addr(void *, int, int);
299 extern uint64_t	hv_set_ctx0(uint64_t, uint64_t);
300 extern uint64_t	hv_set_ctxnon0(uint64_t, uint64_t);
301 #ifdef SET_MMU_STATS
302 extern uint64_t hv_mmu_set_stat_area(uint64_t, uint64_t);
303 #endif /* SET_MMU_STATS */
304 
305 extern uint64_t hv_cpu_qconf(int queue, uint64_t paddr, int size);
306 extern uint64_t hv_cpu_yield();
307 
308 extern uint64_t hv_cpu_state(uint64_t cpuid, uint64_t *cpu_state);
309 extern uint64_t hv_mem_scrub(uint64_t real_addr, uint64_t length,
310     uint64_t *scrubbed_len);
311 extern uint64_t hv_mem_sync(uint64_t real_addr, uint64_t length,
312     uint64_t *flushed_len);
313 
314 extern uint64_t hv_service_recv(uint64_t s_id, uint64_t buf_pa,
315     uint64_t size, uint64_t *recv_bytes);
316 extern uint64_t hv_service_send(uint64_t s_id, uint64_t buf_pa,
317     uint64_t size, uint64_t *send_bytes);
318 extern uint64_t hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
319 extern uint64_t hv_service_setstatus(uint64_t s_id, uint64_t bits);
320 extern uint64_t hv_service_clrstatus(uint64_t s_id, uint64_t bits);
321 
322 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
323 
324 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
325 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
326 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
327 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
328 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
329 
330 extern int64_t hv_cnputchar(uint8_t);
331 extern int64_t hv_cngetchar(uint8_t *);
332 
333 extern uint64_t hv_tod_get(uint64_t *seconds);
334 extern uint64_t hv_tod_set(uint64_t);
335 
336 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
337     uint64_t *sysino);
338 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
339     int *intr_valid_state);
340 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
341     int intr_valid_state);
342 extern uint64_t hvio_intr_getstate(uint64_t sysino,
343     int *intr_state);
344 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
345 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
346 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
347 #endif
348 
349 #ifdef __cplusplus
350 }
351 #endif
352 
353 #endif /* _SYS_HYPERVISOR_API_H */
354