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 32 struct vmctx; 33 enum x2apic_state; 34 35 /* 36 * Different styles of mapping the memory assigned to a VM into the address 37 * space of the controlling process. 38 */ 39 enum vm_mmap_style { 40 VM_MMAP_NONE, /* no mapping */ 41 VM_MMAP_ALL, /* fully and statically mapped */ 42 VM_MMAP_SPARSE, /* mappings created on-demand */ 43 }; 44 45 int vm_create(const char *name); 46 struct vmctx *vm_open(const char *name); 47 void vm_destroy(struct vmctx *ctx); 48 int vm_get_memory_seg(struct vmctx *ctx, vm_paddr_t gpa, size_t *ret_len); 49 int vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s); 50 void *vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len); 51 uint32_t vm_get_lowmem_limit(struct vmctx *ctx); 52 void vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit); 53 int vm_set_desc(struct vmctx *ctx, int vcpu, int reg, 54 uint64_t base, uint32_t limit, uint32_t access); 55 int vm_get_desc(struct vmctx *ctx, int vcpu, int reg, 56 uint64_t *base, uint32_t *limit, uint32_t *access); 57 int vm_set_register(struct vmctx *ctx, int vcpu, int reg, uint64_t val); 58 int vm_get_register(struct vmctx *ctx, int vcpu, int reg, uint64_t *retval); 59 int vm_run(struct vmctx *ctx, int vcpu, uint64_t rip, 60 struct vm_exit *ret_vmexit); 61 int vm_apicid2vcpu(struct vmctx *ctx, int apicid); 62 int vm_inject_event(struct vmctx *ctx, int vcpu, enum vm_event_type type, 63 int vector); 64 int vm_inject_event2(struct vmctx *ctx, int vcpu, enum vm_event_type type, 65 int vector, int error_code); 66 int vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector); 67 int vm_inject_nmi(struct vmctx *ctx, int vcpu); 68 int vm_capability_name2type(const char *capname); 69 const char *vm_capability_type2name(int type); 70 int vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, 71 int *retval); 72 int vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, 73 int val); 74 int vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func); 75 int vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func); 76 int 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); 78 int vm_setup_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func, 79 int dest, int vector, int numvec); 80 int vm_setup_msix(struct vmctx *ctx, int vcpu, int bus, int slot, int func, 81 int idx, uint32_t msg, uint32_t vector_control, uint64_t addr); 82 83 /* 84 * Return a pointer to the statistics buffer. Note that this is not MT-safe. 85 */ 86 uint64_t *vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv, 87 int *ret_entries); 88 const char *vm_get_stat_desc(struct vmctx *ctx, int index); 89 90 int vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *s); 91 int vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state s); 92 93 /* Reset vcpu register state */ 94 int vcpu_reset(struct vmctx *ctx, int vcpu); 95 96 /* 97 * FreeBSD specific APIs 98 */ 99 int vm_setup_freebsd_registers(struct vmctx *ctx, int vcpu, 100 uint64_t rip, uint64_t cr3, uint64_t gdtbase, 101 uint64_t rsp); 102 void vm_setup_freebsd_gdt(uint64_t *gdtr); 103 #endif /* _VMMAPI_H_ */ 104