xref: /titanic_44/usr/src/uts/sun4v/sys/hypervisor_api.h (revision 9df12a23948bd40cbe37ce88d84e272c3894e675)
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	SVC_SEND		0x80
108 #define	SVC_RECV		0x81
109 #define	SVC_GETSTATUS		0x82
110 #define	SVC_SETSTATUS		0x83
111 #define	SVC_CLRSTATUS		0x84
112 
113 #define	TTRACE_BUF_CONF		0x90
114 #define	TTRACE_BUF_INFO		0x91
115 #define	TTRACE_ENABLE		0x92
116 #define	TTRACE_FREEZE		0x93
117 
118 #define	DUMP_BUF_UPDATE		0x94
119 
120 #define	HVIO_INTR_DEVINO2SYSINO	0xa0
121 #define	HVIO_INTR_GETVALID	0xa1
122 #define	HVIO_INTR_SETVALID	0xa2
123 #define	HVIO_INTR_GETSTATE	0xa3
124 #define	HVIO_INTR_SETSTATE	0xa4
125 #define	HVIO_INTR_GETTARGET	0xa5
126 #define	HVIO_INTR_SETTARGET	0xa6
127 
128 #define	HVIO_IOMMU_MAP		0xb0
129 #define	HVIO_IOMMU_DEMAP	0xb1
130 #define	HVIO_IOMMU_GETMAP	0xb2
131 #define	HVIO_IOMMU_GETBYPASS	0xb3
132 
133 #define	HVIO_CONFIG_GET		0xb4
134 #define	HVIO_CONFIG_PUT		0xb5
135 
136 #define	HVIO_PEEK		0xb6
137 #define	HVIO_POKE		0xb7
138 
139 #define	HVIO_DMA_SYNC		0xb8
140 
141 #define	HVIO_MSIQ_CONF		0xc0
142 #define	HVIO_MSIQ_INFO		0xc1
143 #define	HVIO_MSIQ_GETVALID	0xc2
144 #define	HVIO_MSIQ_SETVALID	0xc3
145 #define	HVIO_MSIQ_GETSTATE	0xc4
146 #define	HVIO_MSIQ_SETSTATE	0xc5
147 #define	HVIO_MSIQ_GETHEAD	0xc6
148 #define	HVIO_MSIQ_SETHEAD	0xc7
149 #define	HVIO_MSIQ_GETTAIL	0xc8
150 
151 #define	HVIO_MSI_GETVALID	0xc9
152 #define	HVIO_MSI_SETVALID	0xca
153 #define	HVIO_MSI_GETMSIQ	0xcb
154 #define	HVIO_MSI_SETMSIQ	0xcc
155 #define	HVIO_MSI_GETSTATE	0xcd
156 #define	HVIO_MSI_SETSTATE	0xce
157 
158 #define	HVIO_MSG_GETMSIQ	0xd0
159 #define	HVIO_MSG_SETMSIQ	0xd1
160 #define	HVIO_MSG_GETVALID	0xd2
161 #define	HVIO_MSG_SETVALID	0xd3
162 
163 #ifdef SET_MMU_STATS
164 #define	MMU_STAT_AREA		0xfc
165 #endif /* SET_MMU_STATS */
166 
167 #define	HV_NCS_REQUEST		0x110
168 
169 #define	FIRE_GET_PERFREG	0x120
170 #define	FIRE_SET_PERFREG	0x121
171 
172 #define	HV_RA2PA		0x200
173 #define	HV_HPRIV		0x201
174 
175 /*
176  * Bits for MMU functions flags argument:
177  *	arg3 of MMU_MAP_ADDR
178  *	arg3 of MMU_DEMAP_CTX
179  *	arg2 of MMU_DEMAP_ALL
180  */
181 #define	MAP_DTLB		0x1
182 #define	MAP_ITLB		0x2
183 
184 
185 /*
186  * Interrupt state manipulation definitions.
187  */
188 
189 #define	HV_INTR_IDLE_STATE	0
190 #define	HV_INTR_RECEIVED_STATE	1
191 #define	HV_INTR_DELIVERED_STATE	2
192 
193 #define	HV_INTR_NOTVALID	0
194 #define	HV_INTR_VALID		1
195 
196 #ifndef _ASM
197 
198 /*
199  * TSB description structure for MMU_TSB_CTX0 and MMU_TSB_CTXNON0.
200  */
201 typedef struct hv_tsb_info {
202 	uint16_t	hvtsb_idxpgsz;	/* page size used to index TSB */
203 	uint16_t	hvtsb_assoc;	/* TSB associativity */
204 	uint32_t	hvtsb_ntte;	/* TSB size (#TTE entries) */
205 	uint32_t	hvtsb_ctx_index; /* context reg index */
206 	uint32_t	hvtsb_pgszs;	/* sizes in use */
207 	uint64_t	hvtsb_pa;	/* real address of TSB base */
208 	uint64_t	hvtsb_rsvd;	/* reserved */
209 } hv_tsb_info_t;
210 
211 #define	HVTSB_SHARE_INDEX	((uint32_t)-1)
212 
213 #ifdef SET_MMU_STATS
214 #ifndef TTE4V_NPGSZ
215 #define	TTE4V_NPGSZ	8
216 #endif /* TTE4V_NPGSZ */
217 /*
218  * MMU statistics structure for MMU_STAT_AREA
219  */
220 struct mmu_stat_one {
221 	uint64_t	hit_ctx0[TTE4V_NPGSZ];
222 	uint64_t	hit_ctxn0[TTE4V_NPGSZ];
223 	uint64_t	tsb_miss;
224 	uint64_t	tlb_miss;	/* miss, no TSB set */
225 	uint64_t	map_ctx0[TTE4V_NPGSZ];
226 	uint64_t	map_ctxn0[TTE4V_NPGSZ];
227 };
228 
229 struct mmu_stat {
230 	struct mmu_stat_one	immu_stat;
231 	struct mmu_stat_one	dmmu_stat;
232 	uint64_t		set_ctx0;
233 	uint64_t		set_ctxn0;
234 };
235 #endif /* SET_MMU_STATS */
236 
237 #endif /* _ASM */
238 
239 /*
240  * CPU States
241  */
242 #define	CPU_STATE_INVALID	0x0
243 #define	CPU_STATE_IDLE		0x1	/* cpu not started */
244 #define	CPU_STATE_GUEST		0x2	/* cpu running guest code */
245 #define	CPU_STATE_ERROR		0x3	/* cpu is in the error state */
246 #define	CPU_STATE_LAST_PUBLIC	CPU_STATE_ERROR	/* last valid state */
247 
248 /*
249  * MMU fault status area
250  */
251 
252 #define	MMFSA_TYPE_	0x00	/* fault type */
253 #define	MMFSA_ADDR_	0x08	/* fault address */
254 #define	MMFSA_CTX_	0x10	/* fault context */
255 
256 #define	MMFSA_I_	0x00		/* start of fields for I */
257 #define	MMFSA_I_TYPE	(MMFSA_I_ + MMFSA_TYPE_) /* instruction fault type */
258 #define	MMFSA_I_ADDR	(MMFSA_I_ + MMFSA_ADDR_) /* instruction fault address */
259 #define	MMFSA_I_CTX	(MMFSA_I_ + MMFSA_CTX_)	/* instruction fault context */
260 
261 #define	MMFSA_D_	0x40		/* start of fields for D */
262 #define	MMFSA_D_TYPE	(MMFSA_D_ + MMFSA_TYPE_) /* data fault type */
263 #define	MMFSA_D_ADDR	(MMFSA_D_ + MMFSA_ADDR_) /* data fault address */
264 #define	MMFSA_D_CTX	(MMFSA_D_ + MMFSA_CTX_)	/* data fault context */
265 
266 #define	MMFSA_F_FMISS	1	/* fast miss */
267 #define	MMFSA_F_FPROT	2	/* fast protection */
268 #define	MMFSA_F_MISS	3	/* mmu miss */
269 #define	MMFSA_F_INVRA	4	/* invalid RA */
270 #define	MMFSA_F_PRIV	5	/* privilege violation */
271 #define	MMFSA_F_PROT	6	/* protection violation */
272 #define	MMFSA_F_NFO	7	/* NFO access */
273 #define	MMFSA_F_SOPG	8	/* so page */
274 #define	MMFSA_F_INVVA	9	/* invalid VA */
275 #define	MMFSA_F_INVASI	10	/* invalid ASI */
276 #define	MMFSA_F_NCATM	11	/* non-cacheable atomic */
277 #define	MMFSA_F_PRVACT	12	/* privileged action */
278 #define	MMFSA_F_WPT	13	/* watchpoint hit */
279 #define	MMFSA_F_UNALIGN	14	/* unaligned access */
280 #define	MMFSA_F_INVPGSZ	15	/* invalid page size */
281 
282 #define	MMFSA_SIZE	0x80	/* in bytes, 64 byte aligned */
283 
284 /*
285  * MMU fault status - MMFSA_IFS and MMFSA_DFS
286  */
287 #define	MMFS_FV		0x00000001
288 #define	MMFS_OW		0x00000002
289 #define	MMFS_W		0x00000004
290 #define	MMFS_PR		0x00000008
291 #define	MMFS_CT		0x00000030
292 #define	MMFS_E		0x00000040
293 #define	MMFS_FT		0x00003f80
294 #define	MMFS_ME		0x00004000
295 #define	MMFS_TM		0x00008000
296 #define	MMFS_ASI	0x00ff0000
297 #define	MMFS_NF		0x01000000
298 
299 /*
300  * DMA sync parameter definitions
301  */
302 #define	HVIO_DMA_SYNC_DIR_TO_DEV	0x01
303 #define	HVIO_DMA_SYNC_DIR_FROM_DEV	0x02
304 
305 /*
306  * Performance counter register definitions.
307  */
308 #define	HVIO_FIRE_PERFREG_JBC_SEL	0
309 #define	HVIO_FIRE_PERFREG_JBC_CNT0	1
310 #define	HVIO_FIRE_PERFREG_JBC_CNT1	2
311 #define	HVIO_FIRE_PERFREG_PCIE_IMU_SEL	3
312 #define	HVIO_FIRE_PERFREG_PCIE_IMU_CNT0	4
313 #define	HVIO_FIRE_PERFREG_PCIE_IMU_CNT1	5
314 #define	HVIO_FIRE_PERFREG_PCIE_MMU_SEL	6
315 #define	HVIO_FIRE_PERFREG_PCIE_MMU_CNT0	7
316 #define	HVIO_FIRE_PERFREG_PCIE_MMU_CNT1	8
317 #define	HVIO_FIRE_PERFREG_PCIE_TLU_SEL	9
318 #define	HVIO_FIRE_PERFREG_PCIE_TLU_CNT0	10
319 #define	HVIO_FIRE_PERFREG_PCIE_TLU_CNT1	11
320 #define	HVIO_FIRE_PERFREG_PCIE_TLU_CNT2	12
321 #define	HVIO_FIRE_PERFREG_PCIE_LNK_SEL	13
322 #define	HVIO_FIRE_PERFREG_PCIE_LNK_CNT1	14
323 #define	HVIO_FIRE_PERFREG_PCIE_LNK_CNT2	15
324 
325 #ifndef _ASM
326 
327 extern uint64_t hv_mmu_map_perm_addr(void *, int, uint64_t, int);
328 extern uint64_t	hv_mmu_unmap_perm_addr(void *, int, int);
329 extern uint64_t	hv_set_ctx0(uint64_t, uint64_t);
330 extern uint64_t	hv_set_ctxnon0(uint64_t, uint64_t);
331 #ifdef SET_MMU_STATS
332 extern uint64_t hv_mmu_set_stat_area(uint64_t, uint64_t);
333 #endif /* SET_MMU_STATS */
334 
335 extern uint64_t hv_cpu_qconf(int queue, uint64_t paddr, int size);
336 extern uint64_t hv_cpu_yield();
337 
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 
352 extern uint64_t hv_mach_desc(uint64_t buffer_ra, uint64_t *buffer_sizep);
353 
354 extern uint64_t hv_ttrace_buf_info(uint64_t *, uint64_t *);
355 extern uint64_t hv_ttrace_buf_conf(uint64_t, uint64_t, uint64_t *);
356 extern uint64_t hv_ttrace_enable(uint64_t, uint64_t *);
357 extern uint64_t hv_ttrace_freeze(uint64_t, uint64_t *);
358 extern uint64_t hv_dump_buf_update(uint64_t, uint64_t, uint64_t *);
359 
360 extern int64_t hv_cnputchar(uint8_t);
361 extern int64_t hv_cngetchar(uint8_t *);
362 
363 extern uint64_t hv_tod_get(uint64_t *seconds);
364 extern uint64_t hv_tod_set(uint64_t);
365 
366 extern uint64_t hvio_intr_devino_to_sysino(uint64_t dev_hdl, uint32_t devino,
367     uint64_t *sysino);
368 extern uint64_t hvio_intr_getvalid(uint64_t sysino,
369     int *intr_valid_state);
370 extern uint64_t hvio_intr_setvalid(uint64_t sysino,
371     int intr_valid_state);
372 extern uint64_t hvio_intr_getstate(uint64_t sysino,
373     int *intr_state);
374 extern uint64_t hvio_intr_setstate(uint64_t sysino, int intr_state);
375 extern uint64_t hvio_intr_gettarget(uint64_t sysino, uint32_t *cpuid);
376 extern uint64_t hvio_intr_settarget(uint64_t sysino, uint32_t cpuid);
377 
378 #endif
379 
380 #ifdef __cplusplus
381 }
382 #endif
383 
384 #endif /* _SYS_HYPERVISOR_API_H */
385