vmmapi.h revision 268976
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/lib/libvmmapi/vmmapi.h 268976 2014-07-22 04:39:16Z jhb $
27 */
28
29#ifndef _VMMAPI_H_
30#define	_VMMAPI_H_
31
32struct iovec;
33struct vmctx;
34enum x2apic_state;
35
36/*
37 * Different styles of mapping the memory assigned to a VM into the address
38 * space of the controlling process.
39 */
40enum vm_mmap_style {
41	VM_MMAP_NONE,		/* no mapping */
42	VM_MMAP_ALL,		/* fully and statically mapped */
43	VM_MMAP_SPARSE,		/* mappings created on-demand */
44};
45
46#define	VM_MEM_F_INCORE	0x01	/* include guest memory in core file */
47
48int	vm_create(const char *name);
49struct vmctx *vm_open(const char *name);
50void	vm_destroy(struct vmctx *ctx);
51int	vm_parse_memsize(const char *optarg, size_t *memsize);
52int	vm_get_memory_seg(struct vmctx *ctx, vm_paddr_t gpa, size_t *ret_len,
53			  int *wired);
54int	vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s);
55void	*vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len);
56int	vm_get_gpa_pmap(struct vmctx *, uint64_t gpa, uint64_t *pte, int *num);
57uint32_t vm_get_lowmem_limit(struct vmctx *ctx);
58void	vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit);
59void	vm_set_memflags(struct vmctx *ctx, int flags);
60int	vm_set_desc(struct vmctx *ctx, int vcpu, int reg,
61		    uint64_t base, uint32_t limit, uint32_t access);
62int	vm_get_desc(struct vmctx *ctx, int vcpu, int reg,
63		    uint64_t *base, uint32_t *limit, uint32_t *access);
64int	vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val);
65int	vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *retval);
66int	vm_run(struct vmctx *ctx, int vcpu, uint64_t rip,
67	       struct vm_exit *ret_vmexit);
68int	vm_suspend(struct vmctx *ctx, enum vm_suspend_how how);
69int	vm_apicid2vcpu(struct vmctx *ctx, int apicid);
70int	vm_inject_exception(struct vmctx *ctx, int vcpu, int vec);
71int	vm_inject_exception2(struct vmctx *ctx, int vcpu, int vec, int errcode);
72int	vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector);
73int	vm_lapic_local_irq(struct vmctx *ctx, int vcpu, int vector);
74int	vm_lapic_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg);
75int	vm_ioapic_assert_irq(struct vmctx *ctx, int irq);
76int	vm_ioapic_deassert_irq(struct vmctx *ctx, int irq);
77int	vm_ioapic_pulse_irq(struct vmctx *ctx, int irq);
78int	vm_ioapic_pincount(struct vmctx *ctx, int *pincount);
79int	vm_isa_assert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
80int	vm_isa_deassert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
81int	vm_isa_pulse_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
82int	vm_isa_set_irq_trigger(struct vmctx *ctx, int atpic_irq,
83	    enum vm_intr_trigger trigger);
84int	vm_inject_nmi(struct vmctx *ctx, int vcpu);
85int	vm_capability_name2type(const char *capname);
86const char *vm_capability_type2name(int type);
87int	vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
88			  int *retval);
89int	vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
90			  int val);
91int	vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
92int	vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
93int	vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
94			   vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
95int	vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot,
96	    int func, uint64_t addr, uint64_t msg, int numvec);
97int	vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot,
98	    int func, int idx, uint64_t addr, uint64_t msg,
99	    uint32_t vector_control);
100
101/*
102 * Return a pointer to the statistics buffer. Note that this is not MT-safe.
103 */
104uint64_t *vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv,
105		       int *ret_entries);
106const char *vm_get_stat_desc(struct vmctx *ctx, int index);
107
108int	vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *s);
109int	vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state s);
110
111int	vm_get_hpet_capabilities(struct vmctx *ctx, uint32_t *capabilities);
112
113/*
114 * Translate the GLA range [gla,gla+len) into GPA segments in 'iov'.
115 * The 'iovcnt' should be big enough to accomodate all GPA segments.
116 * Returns 0 on success, 1 on a guest fault condition and -1 otherwise.
117 */
118int	vm_gla2gpa(struct vmctx *ctx, int vcpu, struct vm_guest_paging *paging,
119	    uint64_t gla, size_t len, int prot, struct iovec *iov, int iovcnt);
120void	vm_copyin(struct vmctx *ctx, int vcpu, struct iovec *guest_iov,
121	    void *host_dst, size_t len);
122void	vm_copyout(struct vmctx *ctx, int vcpu, const void *host_src,
123	    struct iovec *guest_iov, size_t len);
124
125/* Reset vcpu register state */
126int	vcpu_reset(struct vmctx *ctx, int vcpu);
127
128/*
129 * FreeBSD specific APIs
130 */
131int	vm_setup_freebsd_registers(struct vmctx *ctx, int vcpu,
132				uint64_t rip, uint64_t cr3, uint64_t gdtbase,
133				uint64_t rsp);
134int	vm_setup_freebsd_registers_i386(struct vmctx *vmctx, int vcpu,
135					uint32_t eip, uint32_t gdtbase,
136					uint32_t esp);
137void	vm_setup_freebsd_gdt(uint64_t *gdtr);
138#endif	/* _VMMAPI_H_ */
139