xref: /freebsd/sys/amd64/include/vmm_dev.h (revision a0ee8cc636cd5c2374ec44ca71226564ea0bca95)
1 /*-
2  * Copyright (c) 2011 NetApp, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef	_VMM_DEV_H_
30 #define	_VMM_DEV_H_
31 
32 #ifdef _KERNEL
33 void	vmmdev_init(void);
34 int	vmmdev_cleanup(void);
35 #endif
36 
37 struct vm_memmap {
38 	vm_paddr_t	gpa;
39 	int		segid;		/* memory segment */
40 	vm_ooffset_t	segoff;		/* offset into memory segment */
41 	size_t		len;		/* mmap length */
42 	int		prot;		/* RWX */
43 	int		flags;
44 };
45 #define	VM_MEMMAP_F_WIRED	0x01
46 #define	VM_MEMMAP_F_IOMMU	0x02
47 
48 #define	VM_MEMSEG_NAME(m)	((m)->name[0] != '\0' ? (m)->name : NULL)
49 struct vm_memseg {
50 	int		segid;
51 	size_t		len;
52 	char		name[SPECNAMELEN + 1];
53 };
54 
55 struct vm_register {
56 	int		cpuid;
57 	int		regnum;		/* enum vm_reg_name */
58 	uint64_t	regval;
59 };
60 
61 struct vm_seg_desc {			/* data or code segment */
62 	int		cpuid;
63 	int		regnum;		/* enum vm_reg_name */
64 	struct seg_desc desc;
65 };
66 
67 struct vm_run {
68 	int		cpuid;
69 	struct vm_exit	vm_exit;
70 };
71 
72 struct vm_exception {
73 	int		cpuid;
74 	int		vector;
75 	uint32_t	error_code;
76 	int		error_code_valid;
77 	int		restart_instruction;
78 };
79 
80 struct vm_lapic_msi {
81 	uint64_t	msg;
82 	uint64_t	addr;
83 };
84 
85 struct vm_lapic_irq {
86 	int		cpuid;
87 	int		vector;
88 };
89 
90 struct vm_ioapic_irq {
91 	int		irq;
92 };
93 
94 struct vm_isa_irq {
95 	int		atpic_irq;
96 	int		ioapic_irq;
97 };
98 
99 struct vm_isa_irq_trigger {
100 	int		atpic_irq;
101 	enum vm_intr_trigger trigger;
102 };
103 
104 struct vm_capability {
105 	int		cpuid;
106 	enum vm_cap_type captype;
107 	int		capval;
108 	int		allcpus;
109 };
110 
111 struct vm_pptdev {
112 	int		bus;
113 	int		slot;
114 	int		func;
115 };
116 
117 struct vm_pptdev_mmio {
118 	int		bus;
119 	int		slot;
120 	int		func;
121 	vm_paddr_t	gpa;
122 	vm_paddr_t	hpa;
123 	size_t		len;
124 };
125 
126 struct vm_pptdev_msi {
127 	int		vcpu;
128 	int		bus;
129 	int		slot;
130 	int		func;
131 	int		numvec;		/* 0 means disabled */
132 	uint64_t	msg;
133 	uint64_t	addr;
134 };
135 
136 struct vm_pptdev_msix {
137 	int		vcpu;
138 	int		bus;
139 	int		slot;
140 	int		func;
141 	int		idx;
142 	uint64_t	msg;
143 	uint32_t	vector_control;
144 	uint64_t	addr;
145 };
146 
147 struct vm_nmi {
148 	int		cpuid;
149 };
150 
151 #define	MAX_VM_STATS	64
152 struct vm_stats {
153 	int		cpuid;				/* in */
154 	int		num_entries;			/* out */
155 	struct timeval	tv;
156 	uint64_t	statbuf[MAX_VM_STATS];
157 };
158 
159 struct vm_stat_desc {
160 	int		index;				/* in */
161 	char		desc[128];			/* out */
162 };
163 
164 struct vm_x2apic {
165 	int			cpuid;
166 	enum x2apic_state	state;
167 };
168 
169 struct vm_gpa_pte {
170 	uint64_t	gpa;				/* in */
171 	uint64_t	pte[4];				/* out */
172 	int		ptenum;
173 };
174 
175 struct vm_hpet_cap {
176 	uint32_t	capabilities;	/* lower 32 bits of HPET capabilities */
177 };
178 
179 struct vm_suspend {
180 	enum vm_suspend_how how;
181 };
182 
183 struct vm_gla2gpa {
184 	int		vcpuid;		/* inputs */
185 	int 		prot;		/* PROT_READ or PROT_WRITE */
186 	uint64_t	gla;
187 	struct vm_guest_paging paging;
188 	int		fault;		/* outputs */
189 	uint64_t	gpa;
190 };
191 
192 struct vm_activate_cpu {
193 	int		vcpuid;
194 };
195 
196 struct vm_cpuset {
197 	int		which;
198 	int		cpusetsize;
199 	cpuset_t	*cpus;
200 };
201 #define	VM_ACTIVE_CPUS		0
202 #define	VM_SUSPENDED_CPUS	1
203 
204 struct vm_intinfo {
205 	int		vcpuid;
206 	uint64_t	info1;
207 	uint64_t	info2;
208 };
209 
210 struct vm_rtc_time {
211 	time_t		secs;
212 };
213 
214 struct vm_rtc_data {
215 	int		offset;
216 	uint8_t		value;
217 };
218 
219 enum {
220 	/* general routines */
221 	IOCNUM_ABIVERS = 0,
222 	IOCNUM_RUN = 1,
223 	IOCNUM_SET_CAPABILITY = 2,
224 	IOCNUM_GET_CAPABILITY = 3,
225 	IOCNUM_SUSPEND = 4,
226 	IOCNUM_REINIT = 5,
227 
228 	/* memory apis */
229 	IOCNUM_MAP_MEMORY = 10,			/* deprecated */
230 	IOCNUM_GET_MEMORY_SEG = 11,		/* deprecated */
231 	IOCNUM_GET_GPA_PMAP = 12,
232 	IOCNUM_GLA2GPA = 13,
233 	IOCNUM_ALLOC_MEMSEG = 14,
234 	IOCNUM_GET_MEMSEG = 15,
235 	IOCNUM_MMAP_MEMSEG = 16,
236 	IOCNUM_MMAP_GETNEXT = 17,
237 
238 	/* register/state accessors */
239 	IOCNUM_SET_REGISTER = 20,
240 	IOCNUM_GET_REGISTER = 21,
241 	IOCNUM_SET_SEGMENT_DESCRIPTOR = 22,
242 	IOCNUM_GET_SEGMENT_DESCRIPTOR = 23,
243 
244 	/* interrupt injection */
245 	IOCNUM_GET_INTINFO = 28,
246 	IOCNUM_SET_INTINFO = 29,
247 	IOCNUM_INJECT_EXCEPTION = 30,
248 	IOCNUM_LAPIC_IRQ = 31,
249 	IOCNUM_INJECT_NMI = 32,
250 	IOCNUM_IOAPIC_ASSERT_IRQ = 33,
251 	IOCNUM_IOAPIC_DEASSERT_IRQ = 34,
252 	IOCNUM_IOAPIC_PULSE_IRQ = 35,
253 	IOCNUM_LAPIC_MSI = 36,
254 	IOCNUM_LAPIC_LOCAL_IRQ = 37,
255 	IOCNUM_IOAPIC_PINCOUNT = 38,
256 	IOCNUM_RESTART_INSTRUCTION = 39,
257 
258 	/* PCI pass-thru */
259 	IOCNUM_BIND_PPTDEV = 40,
260 	IOCNUM_UNBIND_PPTDEV = 41,
261 	IOCNUM_MAP_PPTDEV_MMIO = 42,
262 	IOCNUM_PPTDEV_MSI = 43,
263 	IOCNUM_PPTDEV_MSIX = 44,
264 
265 	/* statistics */
266 	IOCNUM_VM_STATS = 50,
267 	IOCNUM_VM_STAT_DESC = 51,
268 
269 	/* kernel device state */
270 	IOCNUM_SET_X2APIC_STATE = 60,
271 	IOCNUM_GET_X2APIC_STATE = 61,
272 	IOCNUM_GET_HPET_CAPABILITIES = 62,
273 
274 	/* legacy interrupt injection */
275 	IOCNUM_ISA_ASSERT_IRQ = 80,
276 	IOCNUM_ISA_DEASSERT_IRQ = 81,
277 	IOCNUM_ISA_PULSE_IRQ = 82,
278 	IOCNUM_ISA_SET_IRQ_TRIGGER = 83,
279 
280 	/* vm_cpuset */
281 	IOCNUM_ACTIVATE_CPU = 90,
282 	IOCNUM_GET_CPUSET = 91,
283 
284 	/* RTC */
285 	IOCNUM_RTC_READ = 100,
286 	IOCNUM_RTC_WRITE = 101,
287 	IOCNUM_RTC_SETTIME = 102,
288 	IOCNUM_RTC_GETTIME = 103,
289 };
290 
291 #define	VM_RUN		\
292 	_IOWR('v', IOCNUM_RUN, struct vm_run)
293 #define	VM_SUSPEND	\
294 	_IOW('v', IOCNUM_SUSPEND, struct vm_suspend)
295 #define	VM_REINIT	\
296 	_IO('v', IOCNUM_REINIT)
297 #define	VM_ALLOC_MEMSEG	\
298 	_IOW('v', IOCNUM_ALLOC_MEMSEG, struct vm_memseg)
299 #define	VM_GET_MEMSEG	\
300 	_IOWR('v', IOCNUM_GET_MEMSEG, struct vm_memseg)
301 #define	VM_MMAP_MEMSEG	\
302 	_IOW('v', IOCNUM_MMAP_MEMSEG, struct vm_memmap)
303 #define	VM_MMAP_GETNEXT	\
304 	_IOWR('v', IOCNUM_MMAP_GETNEXT, struct vm_memmap)
305 #define	VM_SET_REGISTER \
306 	_IOW('v', IOCNUM_SET_REGISTER, struct vm_register)
307 #define	VM_GET_REGISTER \
308 	_IOWR('v', IOCNUM_GET_REGISTER, struct vm_register)
309 #define	VM_SET_SEGMENT_DESCRIPTOR \
310 	_IOW('v', IOCNUM_SET_SEGMENT_DESCRIPTOR, struct vm_seg_desc)
311 #define	VM_GET_SEGMENT_DESCRIPTOR \
312 	_IOWR('v', IOCNUM_GET_SEGMENT_DESCRIPTOR, struct vm_seg_desc)
313 #define	VM_INJECT_EXCEPTION	\
314 	_IOW('v', IOCNUM_INJECT_EXCEPTION, struct vm_exception)
315 #define	VM_LAPIC_IRQ 		\
316 	_IOW('v', IOCNUM_LAPIC_IRQ, struct vm_lapic_irq)
317 #define	VM_LAPIC_LOCAL_IRQ 	\
318 	_IOW('v', IOCNUM_LAPIC_LOCAL_IRQ, struct vm_lapic_irq)
319 #define	VM_LAPIC_MSI		\
320 	_IOW('v', IOCNUM_LAPIC_MSI, struct vm_lapic_msi)
321 #define	VM_IOAPIC_ASSERT_IRQ	\
322 	_IOW('v', IOCNUM_IOAPIC_ASSERT_IRQ, struct vm_ioapic_irq)
323 #define	VM_IOAPIC_DEASSERT_IRQ	\
324 	_IOW('v', IOCNUM_IOAPIC_DEASSERT_IRQ, struct vm_ioapic_irq)
325 #define	VM_IOAPIC_PULSE_IRQ	\
326 	_IOW('v', IOCNUM_IOAPIC_PULSE_IRQ, struct vm_ioapic_irq)
327 #define	VM_IOAPIC_PINCOUNT	\
328 	_IOR('v', IOCNUM_IOAPIC_PINCOUNT, int)
329 #define	VM_ISA_ASSERT_IRQ	\
330 	_IOW('v', IOCNUM_ISA_ASSERT_IRQ, struct vm_isa_irq)
331 #define	VM_ISA_DEASSERT_IRQ	\
332 	_IOW('v', IOCNUM_ISA_DEASSERT_IRQ, struct vm_isa_irq)
333 #define	VM_ISA_PULSE_IRQ	\
334 	_IOW('v', IOCNUM_ISA_PULSE_IRQ, struct vm_isa_irq)
335 #define	VM_ISA_SET_IRQ_TRIGGER	\
336 	_IOW('v', IOCNUM_ISA_SET_IRQ_TRIGGER, struct vm_isa_irq_trigger)
337 #define	VM_SET_CAPABILITY \
338 	_IOW('v', IOCNUM_SET_CAPABILITY, struct vm_capability)
339 #define	VM_GET_CAPABILITY \
340 	_IOWR('v', IOCNUM_GET_CAPABILITY, struct vm_capability)
341 #define	VM_BIND_PPTDEV \
342 	_IOW('v', IOCNUM_BIND_PPTDEV, struct vm_pptdev)
343 #define	VM_UNBIND_PPTDEV \
344 	_IOW('v', IOCNUM_UNBIND_PPTDEV, struct vm_pptdev)
345 #define	VM_MAP_PPTDEV_MMIO \
346 	_IOW('v', IOCNUM_MAP_PPTDEV_MMIO, struct vm_pptdev_mmio)
347 #define	VM_PPTDEV_MSI \
348 	_IOW('v', IOCNUM_PPTDEV_MSI, struct vm_pptdev_msi)
349 #define	VM_PPTDEV_MSIX \
350 	_IOW('v', IOCNUM_PPTDEV_MSIX, struct vm_pptdev_msix)
351 #define VM_INJECT_NMI \
352 	_IOW('v', IOCNUM_INJECT_NMI, struct vm_nmi)
353 #define	VM_STATS \
354 	_IOWR('v', IOCNUM_VM_STATS, struct vm_stats)
355 #define	VM_STAT_DESC \
356 	_IOWR('v', IOCNUM_VM_STAT_DESC, struct vm_stat_desc)
357 #define	VM_SET_X2APIC_STATE \
358 	_IOW('v', IOCNUM_SET_X2APIC_STATE, struct vm_x2apic)
359 #define	VM_GET_X2APIC_STATE \
360 	_IOWR('v', IOCNUM_GET_X2APIC_STATE, struct vm_x2apic)
361 #define	VM_GET_HPET_CAPABILITIES \
362 	_IOR('v', IOCNUM_GET_HPET_CAPABILITIES, struct vm_hpet_cap)
363 #define	VM_GET_GPA_PMAP \
364 	_IOWR('v', IOCNUM_GET_GPA_PMAP, struct vm_gpa_pte)
365 #define	VM_GLA2GPA	\
366 	_IOWR('v', IOCNUM_GLA2GPA, struct vm_gla2gpa)
367 #define	VM_ACTIVATE_CPU	\
368 	_IOW('v', IOCNUM_ACTIVATE_CPU, struct vm_activate_cpu)
369 #define	VM_GET_CPUS	\
370 	_IOW('v', IOCNUM_GET_CPUSET, struct vm_cpuset)
371 #define	VM_SET_INTINFO	\
372 	_IOW('v', IOCNUM_SET_INTINFO, struct vm_intinfo)
373 #define	VM_GET_INTINFO	\
374 	_IOWR('v', IOCNUM_GET_INTINFO, struct vm_intinfo)
375 #define VM_RTC_WRITE \
376 	_IOW('v', IOCNUM_RTC_WRITE, struct vm_rtc_data)
377 #define VM_RTC_READ \
378 	_IOWR('v', IOCNUM_RTC_READ, struct vm_rtc_data)
379 #define VM_RTC_SETTIME	\
380 	_IOW('v', IOCNUM_RTC_SETTIME, struct vm_rtc_time)
381 #define VM_RTC_GETTIME	\
382 	_IOR('v', IOCNUM_RTC_GETTIME, struct vm_rtc_time)
383 #define	VM_RESTART_INSTRUCTION \
384 	_IOW('v', IOCNUM_RESTART_INSTRUCTION, int)
385 #endif
386