2 * Copyright (c) 2011 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
42 #define VM_MAX_NAMELEN 32
46 struct vm_memory_segment;
59 typedef int (*vmm_init_func_t)(int ipinum);
60 typedef int (*vmm_cleanup_func_t)(void);
61 typedef void (*vmm_resume_func_t)(void);
62 typedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap);
63 typedef int (*vmi_run_func_t)(void *vmi, int vcpu, register_t rip,
64 struct pmap *pmap, void *rendezvous_cookie,
65 void *suspend_cookie);
66 typedef void (*vmi_cleanup_func_t)(void *vmi);
67 typedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num,
69 typedef int (*vmi_set_register_t)(void *vmi, int vcpu, int num,
71 typedef int (*vmi_get_desc_t)(void *vmi, int vcpu, int num,
72 struct seg_desc *desc);
73 typedef int (*vmi_set_desc_t)(void *vmi, int vcpu, int num,
74 struct seg_desc *desc);
75 typedef int (*vmi_get_cap_t)(void *vmi, int vcpu, int num, int *retval);
76 typedef int (*vmi_set_cap_t)(void *vmi, int vcpu, int num, int val);
77 typedef struct vmspace * (*vmi_vmspace_alloc)(vm_offset_t min, vm_offset_t max);
78 typedef void (*vmi_vmspace_free)(struct vmspace *vmspace);
79 typedef struct vlapic * (*vmi_vlapic_init)(void *vmi, int vcpu);
80 typedef void (*vmi_vlapic_cleanup)(void *vmi, struct vlapic *vlapic);
83 vmm_init_func_t init; /* module wide initialization */
84 vmm_cleanup_func_t cleanup;
85 vmm_resume_func_t resume;
87 vmi_init_func_t vminit; /* vm-specific initialization */
89 vmi_cleanup_func_t vmcleanup;
90 vmi_get_register_t vmgetreg;
91 vmi_set_register_t vmsetreg;
92 vmi_get_desc_t vmgetdesc;
93 vmi_set_desc_t vmsetdesc;
94 vmi_get_cap_t vmgetcap;
95 vmi_set_cap_t vmsetcap;
96 vmi_vmspace_alloc vmspace_alloc;
97 vmi_vmspace_free vmspace_free;
98 vmi_vlapic_init vlapic_init;
99 vmi_vlapic_cleanup vlapic_cleanup;
102 extern struct vmm_ops vmm_ops_intel;
103 extern struct vmm_ops vmm_ops_amd;
105 int vm_create(const char *name, struct vm **retvm);
106 void vm_destroy(struct vm *vm);
107 const char *vm_name(struct vm *vm);
108 int vm_malloc(struct vm *vm, vm_paddr_t gpa, size_t len);
109 int vm_map_mmio(struct vm *vm, vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
110 int vm_unmap_mmio(struct vm *vm, vm_paddr_t gpa, size_t len);
111 void *vm_gpa_hold(struct vm *, vm_paddr_t gpa, size_t len, int prot,
113 void vm_gpa_release(void *cookie);
114 int vm_gpabase2memseg(struct vm *vm, vm_paddr_t gpabase,
115 struct vm_memory_segment *seg);
116 int vm_get_memobj(struct vm *vm, vm_paddr_t gpa, size_t len,
117 vm_offset_t *offset, struct vm_object **object);
118 boolean_t vm_mem_allocated(struct vm *vm, vm_paddr_t gpa);
119 int vm_get_register(struct vm *vm, int vcpu, int reg, uint64_t *retval);
120 int vm_set_register(struct vm *vm, int vcpu, int reg, uint64_t val);
121 int vm_get_seg_desc(struct vm *vm, int vcpu, int reg,
122 struct seg_desc *ret_desc);
123 int vm_set_seg_desc(struct vm *vm, int vcpu, int reg,
124 struct seg_desc *desc);
125 int vm_run(struct vm *vm, struct vm_run *vmrun);
126 int vm_suspend(struct vm *vm, enum vm_suspend_how how);
127 int vm_inject_nmi(struct vm *vm, int vcpu);
128 int vm_nmi_pending(struct vm *vm, int vcpuid);
129 void vm_nmi_clear(struct vm *vm, int vcpuid);
130 int vm_inject_extint(struct vm *vm, int vcpu);
131 int vm_extint_pending(struct vm *vm, int vcpuid);
132 void vm_extint_clear(struct vm *vm, int vcpuid);
133 uint64_t *vm_guest_msrs(struct vm *vm, int cpu);
134 struct vlapic *vm_lapic(struct vm *vm, int cpu);
135 struct vioapic *vm_ioapic(struct vm *vm);
136 struct vhpet *vm_hpet(struct vm *vm);
137 int vm_get_capability(struct vm *vm, int vcpu, int type, int *val);
138 int vm_set_capability(struct vm *vm, int vcpu, int type, int val);
139 int vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state);
140 int vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state);
141 int vm_apicid2vcpuid(struct vm *vm, int apicid);
142 void vm_activate_cpu(struct vm *vm, int vcpu);
143 cpuset_t vm_active_cpus(struct vm *vm);
144 struct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid);
145 void vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip);
148 * Rendezvous all vcpus specified in 'dest' and execute 'func(arg)'.
149 * The rendezvous 'func(arg)' is not allowed to do anything that will
150 * cause the thread to be put to sleep.
152 * If the rendezvous is being initiated from a vcpu context then the
153 * 'vcpuid' must refer to that vcpu, otherwise it should be set to -1.
155 * The caller cannot hold any locks when initiating the rendezvous.
157 * The implementation of this API may cause vcpus other than those specified
158 * by 'dest' to be stalled. The caller should not rely on any vcpus making
159 * forward progress when the rendezvous is in progress.
161 typedef void (*vm_rendezvous_func_t)(struct vm *vm, int vcpuid, void *arg);
162 void vm_smp_rendezvous(struct vm *vm, int vcpuid, cpuset_t dest,
163 vm_rendezvous_func_t func, void *arg);
166 vcpu_rendezvous_pending(void *rendezvous_cookie)
169 return (*(uintptr_t *)rendezvous_cookie != 0);
173 vcpu_suspended(void *suspend_cookie)
176 return (*(int *)suspend_cookie);
180 * Return 1 if device indicated by bus/slot/func is supposed to be a
181 * pci passthrough device.
183 * Return 0 otherwise.
185 int vmm_is_pptdev(int bus, int slot, int func);
187 void *vm_iommu_domain(struct vm *vm);
196 int vcpu_set_state(struct vm *vm, int vcpu, enum vcpu_state state,
198 enum vcpu_state vcpu_get_state(struct vm *vm, int vcpu, int *hostcpu);
201 vcpu_is_running(struct vm *vm, int vcpu, int *hostcpu)
203 return (vcpu_get_state(vm, vcpu, hostcpu) == VCPU_RUNNING);
206 void *vcpu_stats(struct vm *vm, int vcpu);
207 void vcpu_notify_event(struct vm *vm, int vcpuid, bool lapic_intr);
208 struct vmspace *vm_get_vmspace(struct vm *vm);
209 int vm_assign_pptdev(struct vm *vm, int bus, int slot, int func);
210 int vm_unassign_pptdev(struct vm *vm, int bus, int slot, int func);
211 struct vatpic *vm_atpic(struct vm *vm);
212 struct vatpit *vm_atpit(struct vm *vm);
215 * Inject exception 'vme' into the guest vcpu. This function returns 0 on
216 * success and non-zero on failure.
218 * Wrapper functions like 'vm_inject_gp()' should be preferred to calling
219 * this function directly because they enforce the trap-like or fault-like
220 * behavior of an exception.
222 * This function should only be called in the context of the thread that is
223 * executing this vcpu.
225 int vm_inject_exception(struct vm *vm, int vcpuid, struct vm_exception *vme);
228 * Returns 0 if there is no exception pending for this vcpu. Returns 1 if an
229 * exception is pending and also updates 'vme'. The pending exception is
230 * cleared when this function returns.
232 * This function should only be called in the context of the thread that is
233 * executing this vcpu.
235 int vm_exception_pending(struct vm *vm, int vcpuid, struct vm_exception *vme);
237 void vm_inject_gp(struct vm *vm, int vcpuid); /* general protection fault */
238 void vm_inject_ud(struct vm *vm, int vcpuid); /* undefined instruction fault */
242 #include <machine/vmm_instruction_emul.h>
244 #define VM_MAXCPU 16 /* maximum virtual cpus */
247 * Identifiers for architecturally defined registers.
287 * Identifiers for optional vmm capabilities
293 VM_CAP_UNRESTRICTED_GUEST,
294 VM_CAP_ENABLE_INVPCID,
305 * The 'access' field has the format specified in Table 21-2 of the Intel
306 * Architecture Manual vol 3b.
308 * XXX The contents of the 'access' field are architecturally defined except
309 * bit 16 - Segment Unusable.
327 VM_EXITCODE_INST_EMUL,
328 VM_EXITCODE_SPINUP_AP,
329 VM_EXITCODE_DEPRECATED1, /* used to be SPINDOWN_CPU */
330 VM_EXITCODE_RENDEZVOUS,
331 VM_EXITCODE_IOAPIC_EOI,
332 VM_EXITCODE_SUSPENDED,
337 enum vm_exitcode exitcode;
338 int inst_length; /* 0 means unknown */
342 uint16_t bytes:3; /* 1 or 2 or 4 */
343 uint16_t in:1; /* out is 0, in is 1 */
347 uint32_t eax; /* valid for out */
357 enum vie_cpu_mode cpu_mode;
358 enum vie_paging_mode paging_mode;
362 * VMX specific payload. Used when there is no "better"
363 * exitcode to represent the VM-exit.
366 int status; /* vmx inst status */
368 * 'exit_reason' and 'exit_qualification' are valid
369 * only if 'status' is zero.
371 uint32_t exit_reason;
372 uint64_t exit_qualification;
374 * 'inst_error' and 'inst_type' are valid
375 * only if 'status' is non-zero.
381 uint32_t code; /* ecx value */
395 enum vm_suspend_how how;