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/*-
* Copyright (c) 2011 NetApp, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _VMMAPI_H_
#define _VMMAPI_H_
struct vmctx;
enum x2apic_state;
/*
* Different styles of mapping the memory assigned to a VM into the address
* space of the controlling process.
*/
enum vm_mmap_style {
VM_MMAP_NONE, /* no mapping */
VM_MMAP_ALL, /* fully and statically mapped */
VM_MMAP_SPARSE, /* mappings created on-demand */
};
int vm_create(const char *name);
struct vmctx *vm_open(const char *name);
void vm_destroy(struct vmctx *ctx);
int vm_get_memory_seg(struct vmctx *ctx, vm_paddr_t gpa, size_t *ret_len);
int vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s);
void *vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len);
uint32_t vm_get_lowmem_limit(struct vmctx *ctx);
void vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit);
int vm_set_desc(struct vmctx *ctx, int vcpu, int reg,
uint64_t base, uint32_t limit, uint32_t access);
int vm_get_desc(struct vmctx *ctx, int vcpu, int reg,
uint64_t *base, uint32_t *limit, uint32_t *access);
int vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val);
int vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *retval);
int vm_run(struct vmctx *ctx, int vcpu, uint64_t rip,
struct vm_exit *ret_vmexit);
int vm_apicid2vcpu(struct vmctx *ctx, int apicid);
int vm_inject_event(struct vmctx *ctx, int vcpu, enum vm_event_type type,
int vector);
int vm_inject_event2(struct vmctx *ctx, int vcpu, enum vm_event_type type,
int vector, int error_code);
int vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector);
int vm_inject_nmi(struct vmctx *ctx, int vcpu);
int vm_capability_name2type(const char *capname);
const char *vm_capability_type2name(int type);
int vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
int *retval);
int vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
int val);
int vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
int vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
int vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
int vm_setup_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
int dest, int vector, int numvec);
int vm_setup_msix(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
int idx, uint32_t msg, uint32_t vector_control, uint64_t addr);
/*
* Return a pointer to the statistics buffer. Note that this is not MT-safe.
*/
uint64_t *vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv,
int *ret_entries);
const char *vm_get_stat_desc(struct vmctx *ctx, int index);
int vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *s);
int vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state s);
/* Reset vcpu register state */
int vcpu_reset(struct vmctx *ctx, int vcpu);
/*
* FreeBSD specific APIs
*/
int vm_setup_freebsd_registers(struct vmctx *ctx, int vcpu,
uint64_t rip, uint64_t cr3, uint64_t gdtbase,
uint64_t rsp);
void vm_setup_freebsd_gdt(uint64_t *gdtr);
#endif /* _VMMAPI_H_ */
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