vmm_dev.h revision 270159 
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: stable/10/sys/amd64/include/vmm_dev.h 270159 2014-08-19 01:20:24Z grehan $
27 */
28
29#ifndef	_VMM_DEV_H_
30#define	_VMM_DEV_H_
31
32#ifdef _KERNEL
33void	vmmdev_init(void);
34int	vmmdev_cleanup(void);
35#endif
36
37struct vm_memory_segment {
38	vm_paddr_t	gpa;	/* in */
39	size_t		len;
40	int		wired;
41};
42
43struct vm_register {
44	int		cpuid;
45	int		regnum;		/* enum vm_reg_name */
46	uint64_t	regval;
47};
48
49struct vm_seg_desc {			/* data or code segment */
50	int		cpuid;
51	int		regnum;		/* enum vm_reg_name */
52	struct seg_desc desc;
53};
54
55struct vm_run {
56	int		cpuid;
57	uint64_t	rip;		/* start running here */
58	struct vm_exit	vm_exit;
59};
60
61struct vm_exception {
62	int		cpuid;
63	int		vector;
64	uint32_t	error_code;
65	int		error_code_valid;
66};
67
68struct vm_lapic_msi {
69	uint64_t	msg;
70	uint64_t	addr;
71};
72
73struct vm_lapic_irq {
74	int		cpuid;
75	int		vector;
76};
77
78struct vm_ioapic_irq {
79	int		irq;
80};
81
82struct vm_isa_irq {
83	int		atpic_irq;
84	int		ioapic_irq;
85};
86
87struct vm_isa_irq_trigger {
88	int		atpic_irq;
89	enum vm_intr_trigger trigger;
90};
91
92struct vm_capability {
93	int		cpuid;
94	enum vm_cap_type captype;
95	int		capval;
96	int		allcpus;
97};
98
99struct vm_pptdev {
100	int		bus;
101	int		slot;
102	int		func;
103};
104
105struct vm_pptdev_mmio {
106	int		bus;
107	int		slot;
108	int		func;
109	vm_paddr_t	gpa;
110	vm_paddr_t	hpa;
111	size_t		len;
112};
113
114struct vm_pptdev_msi {
115	int		vcpu;
116	int		bus;
117	int		slot;
118	int		func;
119	int		numvec;		/* 0 means disabled */
120	uint64_t	msg;
121	uint64_t	addr;
122};
123
124struct vm_pptdev_msix {
125	int		vcpu;
126	int		bus;
127	int		slot;
128	int		func;
129	int		idx;
130	uint64_t	msg;
131	uint32_t	vector_control;
132	uint64_t	addr;
133};
134
135struct vm_nmi {
136	int		cpuid;
137};
138
139#define	MAX_VM_STATS	64
140struct vm_stats {
141	int		cpuid;				/* in */
142	int		num_entries;			/* out */
143	struct timeval	tv;
144	uint64_t	statbuf[MAX_VM_STATS];
145};
146
147struct vm_stat_desc {
148	int		index;				/* in */
149	char		desc[128];			/* out */
150};
151
152struct vm_x2apic {
153	int			cpuid;
154	enum x2apic_state	state;
155};
156
157struct vm_gpa_pte {
158	uint64_t	gpa;				/* in */
159	uint64_t	pte[4];				/* out */
160	int		ptenum;
161};
162
163struct vm_hpet_cap {
164	uint32_t	capabilities;	/* lower 32 bits of HPET capabilities */
165};
166
167struct vm_suspend {
168	enum vm_suspend_how how;
169};
170
171struct vm_gla2gpa {
172	int		vcpuid;		/* inputs */
173	int 		prot;		/* PROT_READ or PROT_WRITE */
174	uint64_t	gla;
175	struct vm_guest_paging paging;
176	int		fault;		/* outputs */
177	uint64_t	gpa;
178};
179
180struct vm_activate_cpu {
181	int		vcpuid;
182};
183
184struct vm_cpuset {
185	int		which;
186	int		cpusetsize;
187	cpuset_t	*cpus;
188};
189#define	VM_ACTIVE_CPUS		0
190#define	VM_SUSPENDED_CPUS	1
191
192struct vm_intinfo {
193	int		vcpuid;
194	uint64_t	info1;
195	uint64_t	info2;
196};
197
198enum {
199	/* general routines */
200	IOCNUM_ABIVERS = 0,
201	IOCNUM_RUN = 1,
202	IOCNUM_SET_CAPABILITY = 2,
203	IOCNUM_GET_CAPABILITY = 3,
204	IOCNUM_SUSPEND = 4,
205	IOCNUM_REINIT = 5,
206
207	/* memory apis */
208	IOCNUM_MAP_MEMORY = 10,
209	IOCNUM_GET_MEMORY_SEG = 11,
210	IOCNUM_GET_GPA_PMAP = 12,
211	IOCNUM_GLA2GPA = 13,
212
213	/* register/state accessors */
214	IOCNUM_SET_REGISTER = 20,
215	IOCNUM_GET_REGISTER = 21,
216	IOCNUM_SET_SEGMENT_DESCRIPTOR = 22,
217	IOCNUM_GET_SEGMENT_DESCRIPTOR = 23,
218
219	/* interrupt injection */
220	IOCNUM_GET_INTINFO = 28,
221	IOCNUM_SET_INTINFO = 29,
222	IOCNUM_INJECT_EXCEPTION = 30,
223	IOCNUM_LAPIC_IRQ = 31,
224	IOCNUM_INJECT_NMI = 32,
225	IOCNUM_IOAPIC_ASSERT_IRQ = 33,
226	IOCNUM_IOAPIC_DEASSERT_IRQ = 34,
227	IOCNUM_IOAPIC_PULSE_IRQ = 35,
228	IOCNUM_LAPIC_MSI = 36,
229	IOCNUM_LAPIC_LOCAL_IRQ = 37,
230	IOCNUM_IOAPIC_PINCOUNT = 38,
231
232	/* PCI pass-thru */
233	IOCNUM_BIND_PPTDEV = 40,
234	IOCNUM_UNBIND_PPTDEV = 41,
235	IOCNUM_MAP_PPTDEV_MMIO = 42,
236	IOCNUM_PPTDEV_MSI = 43,
237	IOCNUM_PPTDEV_MSIX = 44,
238
239	/* statistics */
240	IOCNUM_VM_STATS = 50,
241	IOCNUM_VM_STAT_DESC = 51,
242
243	/* kernel device state */
244	IOCNUM_SET_X2APIC_STATE = 60,
245	IOCNUM_GET_X2APIC_STATE = 61,
246	IOCNUM_GET_HPET_CAPABILITIES = 62,
247
248	/* legacy interrupt injection */
249	IOCNUM_ISA_ASSERT_IRQ = 80,
250	IOCNUM_ISA_DEASSERT_IRQ = 81,
251	IOCNUM_ISA_PULSE_IRQ = 82,
252	IOCNUM_ISA_SET_IRQ_TRIGGER = 83,
253
254	/* vm_cpuset */
255	IOCNUM_ACTIVATE_CPU = 90,
256	IOCNUM_GET_CPUSET = 91,
257};
258
259#define	VM_RUN		\
260	_IOWR('v', IOCNUM_RUN, struct vm_run)
261#define	VM_SUSPEND	\
262	_IOW('v', IOCNUM_SUSPEND, struct vm_suspend)
263#define	VM_REINIT	\
264	_IO('v', IOCNUM_REINIT)
265#define	VM_MAP_MEMORY	\
266	_IOWR('v', IOCNUM_MAP_MEMORY, struct vm_memory_segment)
267#define	VM_GET_MEMORY_SEG \
268	_IOWR('v', IOCNUM_GET_MEMORY_SEG, struct vm_memory_segment)
269#define	VM_SET_REGISTER \
270	_IOW('v', IOCNUM_SET_REGISTER, struct vm_register)
271#define	VM_GET_REGISTER \
272	_IOWR('v', IOCNUM_GET_REGISTER, struct vm_register)
273#define	VM_SET_SEGMENT_DESCRIPTOR \
274	_IOW('v', IOCNUM_SET_SEGMENT_DESCRIPTOR, struct vm_seg_desc)
275#define	VM_GET_SEGMENT_DESCRIPTOR \
276	_IOWR('v', IOCNUM_GET_SEGMENT_DESCRIPTOR, struct vm_seg_desc)
277#define	VM_INJECT_EXCEPTION	\
278	_IOW('v', IOCNUM_INJECT_EXCEPTION, struct vm_exception)
279#define	VM_LAPIC_IRQ 		\
280	_IOW('v', IOCNUM_LAPIC_IRQ, struct vm_lapic_irq)
281#define	VM_LAPIC_LOCAL_IRQ 	\
282	_IOW('v', IOCNUM_LAPIC_LOCAL_IRQ, struct vm_lapic_irq)
283#define	VM_LAPIC_MSI		\
284	_IOW('v', IOCNUM_LAPIC_MSI, struct vm_lapic_msi)
285#define	VM_IOAPIC_ASSERT_IRQ	\
286	_IOW('v', IOCNUM_IOAPIC_ASSERT_IRQ, struct vm_ioapic_irq)
287#define	VM_IOAPIC_DEASSERT_IRQ	\
288	_IOW('v', IOCNUM_IOAPIC_DEASSERT_IRQ, struct vm_ioapic_irq)
289#define	VM_IOAPIC_PULSE_IRQ	\
290	_IOW('v', IOCNUM_IOAPIC_PULSE_IRQ, struct vm_ioapic_irq)
291#define	VM_IOAPIC_PINCOUNT	\
292	_IOR('v', IOCNUM_IOAPIC_PINCOUNT, int)
293#define	VM_ISA_ASSERT_IRQ	\
294	_IOW('v', IOCNUM_ISA_ASSERT_IRQ, struct vm_isa_irq)
295#define	VM_ISA_DEASSERT_IRQ	\
296	_IOW('v', IOCNUM_ISA_DEASSERT_IRQ, struct vm_isa_irq)
297#define	VM_ISA_PULSE_IRQ	\
298	_IOW('v', IOCNUM_ISA_PULSE_IRQ, struct vm_isa_irq)
299#define	VM_ISA_SET_IRQ_TRIGGER	\
300	_IOW('v', IOCNUM_ISA_SET_IRQ_TRIGGER, struct vm_isa_irq_trigger)
301#define	VM_SET_CAPABILITY \
302	_IOW('v', IOCNUM_SET_CAPABILITY, struct vm_capability)
303#define	VM_GET_CAPABILITY \
304	_IOWR('v', IOCNUM_GET_CAPABILITY, struct vm_capability)
305#define	VM_BIND_PPTDEV \
306	_IOW('v', IOCNUM_BIND_PPTDEV, struct vm_pptdev)
307#define	VM_UNBIND_PPTDEV \
308	_IOW('v', IOCNUM_UNBIND_PPTDEV, struct vm_pptdev)
309#define	VM_MAP_PPTDEV_MMIO \
310	_IOW('v', IOCNUM_MAP_PPTDEV_MMIO, struct vm_pptdev_mmio)
311#define	VM_PPTDEV_MSI \
312	_IOW('v', IOCNUM_PPTDEV_MSI, struct vm_pptdev_msi)
313#define	VM_PPTDEV_MSIX \
314	_IOW('v', IOCNUM_PPTDEV_MSIX, struct vm_pptdev_msix)
315#define VM_INJECT_NMI \
316	_IOW('v', IOCNUM_INJECT_NMI, struct vm_nmi)
317#define	VM_STATS \
318	_IOWR('v', IOCNUM_VM_STATS, struct vm_stats)
319#define	VM_STAT_DESC \
320	_IOWR('v', IOCNUM_VM_STAT_DESC, struct vm_stat_desc)
321#define	VM_SET_X2APIC_STATE \
322	_IOW('v', IOCNUM_SET_X2APIC_STATE, struct vm_x2apic)
323#define	VM_GET_X2APIC_STATE \
324	_IOWR('v', IOCNUM_GET_X2APIC_STATE, struct vm_x2apic)
325#define	VM_GET_HPET_CAPABILITIES \
326	_IOR('v', IOCNUM_GET_HPET_CAPABILITIES, struct vm_hpet_cap)
327#define	VM_GET_GPA_PMAP \
328	_IOWR('v', IOCNUM_GET_GPA_PMAP, struct vm_gpa_pte)
329#define	VM_GLA2GPA	\
330	_IOWR('v', IOCNUM_GLA2GPA, struct vm_gla2gpa)
331#define	VM_ACTIVATE_CPU	\
332	_IOW('v', IOCNUM_ACTIVATE_CPU, struct vm_activate_cpu)
333#define	VM_GET_CPUS	\
334	_IOW('v', IOCNUM_GET_CPUSET, struct vm_cpuset)
335#define	VM_SET_INTINFO	\
336	_IOW('v', IOCNUM_SET_INTINFO, struct vm_intinfo)
337#define	VM_GET_INTINFO	\
338	_IOWR('v', IOCNUM_GET_INTINFO, struct vm_intinfo)
339#endif
340