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 0102 /* 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 struct vmctx *vm_open(const char *name);
106 void vm_destroy(struct vmctx *ctx);
107 int vm_parse_memsize(const char *optarg, size_t *memsize);
108 int vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s);
109 void *vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len);
110 int vm_get_gpa_pmap(struct vmctx *, uint64_t gpa, uint64_t *pte, int *num);
111 int vm_gla2gpa(struct vmctx *, int vcpuid, struct vm_guest_paging *paging,
112 uint64_t gla, int prot, uint64_t *gpa, int *fault);
113 uint32_t vm_get_lowmem_limit(struct vmctx *ctx);
114 void vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit);
115 void vm_set_memflags(struct vmctx *ctx, int flags);
116 int vm_get_memflags(struct vmctx *ctx);
117 size_t vm_get_lowmem_size(struct vmctx *ctx);
118 size_t vm_get_highmem_size(struct vmctx *ctx);
119 int vm_set_desc(struct vmctx *ctx, int vcpu, int reg,
120 uint64_t base, uint32_t limit, uint32_t access);
121 int vm_get_desc(struct vmctx *ctx, int vcpu, int reg,
122 uint64_t *base, uint32_t *limit, uint32_t *access);
123 int vm_get_seg_desc(struct vmctx *ctx, int vcpu, int reg,
124 struct seg_desc *seg_desc);
125 int vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val);
126 int vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *retval);
127 int vm_run(struct vmctx *ctx, int vcpu, struct vm_exit *ret_vmexit);
128 int vm_suspend(struct vmctx *ctx, enum vm_suspend_how how);
129 int vm_reinit(struct vmctx *ctx);
130 int vm_apicid2vcpu(struct vmctx *ctx, int apicid);
131 int vm_inject_exception(struct vmctx *ctx, int vcpu, int vector,
132 int errcode_valid, uint32_t errcode, int restart_instruction);
133 int vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector);
134 int vm_lapic_local_irq(struct vmctx *ctx, int vcpu, int vector);
135 int vm_lapic_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg);
136 int vm_ioapic_assert_irq(struct vmctx *ctx, int irq);
137 int vm_ioapic_deassert_irq(struct vmctx *ctx, int irq);
138 int vm_ioapic_pulse_irq(struct vmctx *ctx, int irq);
139 int vm_ioapic_pincount(struct vmctx *ctx, int *pincount);
140 int vm_isa_assert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
141 int vm_isa_deassert_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
142 int vm_isa_pulse_irq(struct vmctx *ctx, int atpic_irq, int ioapic_irq);
143 int vm_isa_set_irq_trigger(struct vmctx *ctx, int atpic_irq,
144 enum vm_intr_trigger trigger);
145 int vm_inject_nmi(struct vmctx *ctx, int vcpu);
146 int vm_capability_name2type(const char *capname);
147 const char *vm_capability_type2name(int type);
148 int vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
150 int vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
152 int vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
153 int vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
154 int vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
155 vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
156 int vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot,
157 int func, uint64_t addr, uint64_t msg, int numvec);
158 int vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot,
159 int func, int idx, uint64_t addr, uint64_t msg,
160 uint32_t vector_control);
162 int vm_get_intinfo(struct vmctx *ctx, int vcpu, uint64_t *i1, uint64_t *i2);
163 int vm_set_intinfo(struct vmctx *ctx, int vcpu, uint64_t exit_intinfo);
166 * Return a pointer to the statistics buffer. Note that this is not MT-safe.
168 uint64_t *vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv,
170 const char *vm_get_stat_desc(struct vmctx *ctx, int index);
172 int vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *s);
173 int vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state s);
175 int vm_get_hpet_capabilities(struct vmctx *ctx, uint32_t *capabilities);
178 * Translate the GLA range [gla,gla+len) into GPA segments in 'iov'.
179 * The 'iovcnt' should be big enough to accomodate all GPA segments.
181 * retval fault Interpretation
183 * 0 1 An exception was injected into the guest
186 int vm_copy_setup(struct vmctx *ctx, int vcpu, struct vm_guest_paging *pg,
187 uint64_t gla, size_t len, int prot, struct iovec *iov, int iovcnt,
189 void vm_copyin(struct vmctx *ctx, int vcpu, struct iovec *guest_iov,
190 void *host_dst, size_t len);
191 void vm_copyout(struct vmctx *ctx, int vcpu, const void *host_src,
192 struct iovec *guest_iov, size_t len);
193 void vm_copy_teardown(struct vmctx *ctx, int vcpu, struct iovec *iov,
197 int vm_rtc_write(struct vmctx *ctx, int offset, uint8_t value);
198 int vm_rtc_read(struct vmctx *ctx, int offset, uint8_t *retval);
199 int vm_rtc_settime(struct vmctx *ctx, time_t secs);
200 int vm_rtc_gettime(struct vmctx *ctx, time_t *secs);
202 /* Reset vcpu register state */
203 int vcpu_reset(struct vmctx *ctx, int vcpu);
205 int vm_active_cpus(struct vmctx *ctx, cpuset_t *cpus);
206 int vm_suspended_cpus(struct vmctx *ctx, cpuset_t *cpus);
207 int vm_activate_cpu(struct vmctx *ctx, int vcpu);
210 * FreeBSD specific APIs
212 int vm_setup_freebsd_registers(struct vmctx *ctx, int vcpu,
213 uint64_t rip, uint64_t cr3, uint64_t gdtbase,
215 int vm_setup_freebsd_registers_i386(struct vmctx *vmctx, int vcpu,
216 uint32_t eip, uint32_t gdtbase,
218 void vm_setup_freebsd_gdt(uint64_t *gdtr);
219 #endif /* _VMMAPI_H_ */