2 * Copyright (c) 2011 NetApp, Inc.
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32 #include <sys/param.h>
33 #include <sys/cpuset.h>
36 * API version for out-of-tree consumers like grub-bhyve for making compile
39 #define VMMAPI_VERSION 0103 /* 2 digit major followed by 2 digit minor */
46 * Different styles of mapping the memory assigned to a VM into the address
47 * space of the controlling process.
50 VM_MMAP_NONE, /* no mapping */
51 VM_MMAP_ALL, /* fully and statically mapped */
52 VM_MMAP_SPARSE, /* mappings created on-demand */
56 * 'flags' value passed to 'vm_set_memflags()'.
58 #define VM_MEM_F_INCORE 0x01 /* include guest memory in core file */
59 #define VM_MEM_F_WIRED 0x02 /* guest memory is wired */
62 * Identifiers for memory segments:
63 * - vm_setup_memory() uses VM_SYSMEM for the system memory segment.
64 * - the remaining identifiers can be used to create devmem segments.
73 * Get the length and name of the memory segment identified by 'segid'.
74 * Note that system memory segments are identified with a nul name.
76 * Returns 0 on success and non-zero otherwise.
78 int vm_get_memseg(struct vmctx *ctx, int ident, size_t *lenp, char *name,
82 * Iterate over the guest address space. This function finds an address range
83 * that starts at an address >= *gpa.
85 * Returns 0 if the next address range was found and non-zero otherwise.
87 int vm_mmap_getnext(struct vmctx *ctx, vm_paddr_t *gpa, int *segid,
88 vm_ooffset_t *segoff, size_t *len, int *prot, int *flags);
90 * Create a device memory segment identified by 'segid'.
92 * Returns a pointer to the memory segment on success and MAP_FAILED otherwise.
94 void *vm_create_devmem(struct vmctx *ctx, int segid, const char *name,
98 * Map the memory segment identified by 'segid' into the guest address space
99 * at [gpa,gpa+len) with protection 'prot'.
101 int vm_mmap_memseg(struct vmctx *ctx, vm_paddr_t gpa, int segid,
102 vm_ooffset_t segoff, size_t len, int prot);
104 int vm_create(const char *name);
105 int vm_get_device_fd(struct vmctx *ctx);
106 struct vmctx *vm_open(const char *name);
107 void vm_destroy(struct vmctx *ctx);
108 int vm_parse_memsize(const char *optarg, size_t *memsize);
109 int vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s);
110 void *vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len);
111 int vm_get_gpa_pmap(struct vmctx *, uint64_t gpa, uint64_t *pte, int *num);
112 int vm_gla2gpa(struct vmctx *, int vcpuid, struct vm_guest_paging *paging,
113 uint64_t gla, int prot, uint64_t *gpa, int *fault);
114 uint32_t vm_get_lowmem_limit(struct vmctx *ctx);
115 void vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit);
116 void vm_set_memflags(struct vmctx *ctx, int flags);
117 int vm_get_memflags(struct vmctx *ctx);
118 size_t vm_get_lowmem_size(struct vmctx *ctx);
119 size_t vm_get_highmem_size(struct vmctx *ctx);
120 int vm_set_desc(struct vmctx *ctx, int vcpu, int reg,
121 uint64_t base, uint32_t limit, uint32_t access);
122 int vm_get_desc(struct vmctx *ctx, int vcpu, int reg,
123 uint64_t *base, uint32_t *limit, uint32_t *access);
124 int vm_get_seg_desc(struct vmctx *ctx, int vcpu, int reg,
125 struct seg_desc *seg_desc);
126 int vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val);
127 int vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *retval);
128 int vm_run(struct vmctx *ctx, int vcpu, struct vm_exit *ret_vmexit);
129 int vm_suspend(struct vmctx *ctx, enum vm_suspend_how how);
130 int vm_reinit(struct vmctx *ctx);
131 int vm_apicid2vcpu(struct vmctx *ctx, int apicid);
132 int vm_inject_exception(struct vmctx *ctx, int vcpu, int vector,
133 int errcode_valid, uint32_t errcode, int restart_instruction);
134 int vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector);
135 int vm_lapic_local_irq(struct vmctx *ctx, int vcpu, int vector);
136 int vm_lapic_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg);
137 int vm_ioapic_assert_irq(struct vmctx *ctx, int irq);
138 int vm_ioapic_deassert_irq(struct vmctx *ctx, int irq);
139 int vm_ioapic_pulse_irq(struct vmctx *ctx, int irq);
140 int vm_ioapic_pincount(struct vmctx *ctx, int *pincount);
141 int vm_isa_assert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
142 int vm_isa_deassert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
143 int vm_isa_pulse_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
144 int vm_isa_set_irq_trigger(struct vmctx *ctx, int atpic_irq,
145 enum vm_intr_trigger trigger);
146 int vm_inject_nmi(struct vmctx *ctx, int vcpu);
147 int vm_capability_name2type(const char *capname);
148 const char *vm_capability_type2name(int type);
149 int vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
151 int vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
153 int vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
154 int vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
155 int vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
156 vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
157 int vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot,
158 int func, uint64_t addr, uint64_t msg, int numvec);
159 int vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot,
160 int func, int idx, uint64_t addr, uint64_t msg,
161 uint32_t vector_control);
163 int vm_get_intinfo(struct vmctx *ctx, int vcpu, uint64_t *i1, uint64_t *i2);
164 int vm_set_intinfo(struct vmctx *ctx, int vcpu, uint64_t exit_intinfo);
166 const cap_ioctl_t *vm_get_ioctls(size_t *len);
169 * Return a pointer to the statistics buffer. Note that this is not MT-safe.
171 uint64_t *vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv,
173 const char *vm_get_stat_desc(struct vmctx *ctx, int index);
175 int vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *s);
176 int vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state s);
178 int vm_get_hpet_capabilities(struct vmctx *ctx, uint32_t *capabilities);
181 * Translate the GLA range [gla,gla+len) into GPA segments in 'iov'.
182 * The 'iovcnt' should be big enough to accommodate all GPA segments.
184 * retval fault Interpretation
186 * 0 1 An exception was injected into the guest
189 int vm_copy_setup(struct vmctx *ctx, int vcpu, struct vm_guest_paging *pg,
190 uint64_t gla, size_t len, int prot, struct iovec *iov, int iovcnt,
192 void vm_copyin(struct vmctx *ctx, int vcpu, struct iovec *guest_iov,
193 void *host_dst, size_t len);
194 void vm_copyout(struct vmctx *ctx, int vcpu, const void *host_src,
195 struct iovec *guest_iov, size_t len);
196 void vm_copy_teardown(struct vmctx *ctx, int vcpu, struct iovec *iov,
200 int vm_rtc_write(struct vmctx *ctx, int offset, uint8_t value);
201 int vm_rtc_read(struct vmctx *ctx, int offset, uint8_t *retval);
202 int vm_rtc_settime(struct vmctx *ctx, time_t secs);
203 int vm_rtc_gettime(struct vmctx *ctx, time_t *secs);
205 /* Reset vcpu register state */
206 int vcpu_reset(struct vmctx *ctx, int vcpu);
208 int vm_active_cpus(struct vmctx *ctx, cpuset_t *cpus);
209 int vm_suspended_cpus(struct vmctx *ctx, cpuset_t *cpus);
210 int vm_activate_cpu(struct vmctx *ctx, int vcpu);
213 int vm_set_topology(struct vmctx *ctx, uint16_t sockets, uint16_t cores,
214 uint16_t threads, uint16_t maxcpus);
215 int vm_get_topology(struct vmctx *ctx, uint16_t *sockets, uint16_t *cores,
216 uint16_t *threads, uint16_t *maxcpus);
219 * FreeBSD specific APIs
221 int vm_setup_freebsd_registers(struct vmctx *ctx, int vcpu,
222 uint64_t rip, uint64_t cr3, uint64_t gdtbase,
224 int vm_setup_freebsd_registers_i386(struct vmctx *vmctx, int vcpu,
225 uint32_t eip, uint32_t gdtbase,
227 void vm_setup_freebsd_gdt(uint64_t *gdtr);
228 #endif /* _VMMAPI_H_ */