vmmapi.h revision 221828 
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 _VMMAPI_H_
30#define	_VMMAPI_H_
31
32struct vmctx;
33
34int	vm_create(const char *name);
35struct vmctx *vm_open(const char *name);
36void	vm_destroy(struct vmctx *ctx);
37int	vm_get_memory_seg(struct vmctx *ctx, vm_paddr_t gpa,
38			  vm_paddr_t *ret_hpa, size_t *ret_len);
39/*
40 * Create a memory segment of 'len' bytes in the guest physical address space
41 * at offset 'gpa'.
42 *
43 * If 'mapaddr' is not NULL then this region is mmap'ed into the address
44 * space of the calling process. If there is an mmap error then *mapaddr
45 * will be set to MAP_FAILED.
46 */
47
48int	vm_setup_memory(struct vmctx *ctx, vm_paddr_t gpa, size_t len,
49		      char **mapaddr);
50char *  vm_map_memory(struct vmctx *ctx, vm_paddr_t gpa, size_t len);
51int	vm_set_desc(struct vmctx *ctx, int vcpu, int reg,
52		    uint64_t base, uint32_t limit, uint32_t access);
53int	vm_get_desc(struct vmctx *ctx, int vcpu, int reg,
54		    uint64_t *base, uint32_t *limit, uint32_t *access);
55int	vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val);
56int	vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *retval);
57int	vm_get_pinning(struct vmctx *ctx, int vcpu, int *host_cpuid);
58int	vm_set_pinning(struct vmctx *ctx, int vcpu, int host_cpuid);
59int	vm_run(struct vmctx *ctx, int vcpu, uint64_t rip,
60	       struct vm_exit *ret_vmexit);
61int	vm_build_tables(struct vmctx *ctxt, int ncpus, void *oemtbl,
62			int oemtblsz);
63int	vm_inject_event(struct vmctx *ctx, int vcpu, enum vm_event_type type,
64			int vector);
65int	vm_inject_event2(struct vmctx *ctx, int vcpu, enum vm_event_type type,
66			 int vector, int error_code);
67int	vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector);
68int	vm_inject_nmi(struct vmctx *ctx, int vcpu);
69int	vm_capability_name2type(const char *capname);
70int	vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
71			  int *retval);
72int	vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
73			  int val);
74int	vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
75int	vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
76int	vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
77			   vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
78int	vm_setup_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
79		     int dest, int vector, int numvec);
80
81/*
82 * Return a pointer to the statistics buffer. Note that this is not MT-safe.
83 */
84uint64_t *vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv,
85		       int *ret_entries);
86const char *vm_get_stat_desc(struct vmctx *ctx, int index);
87
88/* Reset vcpu register state */
89int	vcpu_reset(struct vmctx *ctx, int vcpu);
90
91/*
92 * FreeBSD specific APIs
93 */
94int	vm_setup_freebsd_registers(struct vmctx *ctx, int vcpu,
95				uint64_t rip, uint64_t cr3, uint64_t gdtbase,
96				uint64_t rsp);
97void	vm_setup_freebsd_gdt(uint64_t *gdtr);
98#endif	/* _VMMAPI_H_ */
99