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 _VMM_DEV_H_ 30 #define _VMM_DEV_H_ 31 32 #ifdef _KERNEL 33 void vmmdev_init(void); 34 int vmmdev_cleanup(void); 35 #endif 36 37 struct vm_memory_segment { 38 vm_paddr_t gpa; /* in */ 39 size_t len; 40 int wired; 41 }; 42 43 struct vm_register { 44 int cpuid; 45 int regnum; /* enum vm_reg_name */ 46 uint64_t regval; 47 }; 48 49 struct vm_seg_desc { /* data or code segment */ 50 int cpuid; 51 int regnum; /* enum vm_reg_name */ 52 struct seg_desc desc; 53 }; 54 55 struct vm_run { 56 int cpuid; 57 uint64_t rip; /* start running here */ 58 struct vm_exit vm_exit; 59 }; 60 61 struct vm_event { 62 int cpuid; 63 enum vm_event_type type; 64 int vector; 65 uint32_t error_code; 66 int error_code_valid; 67 }; 68 69 struct vm_lapic_irq { 70 int cpuid; 71 int vector; 72 }; 73 74 struct vm_capability { 75 int cpuid; 76 enum vm_cap_type captype; 77 int capval; 78 int allcpus; 79 }; 80 81 struct vm_pptdev { 82 int bus; 83 int slot; 84 int func; 85 }; 86 87 struct vm_pptdev_mmio { 88 int bus; 89 int slot; 90 int func; 91 vm_paddr_t gpa; 92 vm_paddr_t hpa; 93 size_t len; 94 }; 95 96 struct vm_pptdev_msi { 97 int vcpu; 98 int bus; 99 int slot; 100 int func; 101 int numvec; /* 0 means disabled */ 102 int vector; 103 int destcpu; 104 }; 105 106 struct vm_pptdev_msix { 107 int vcpu; 108 int bus; 109 int slot; 110 int func; 111 int idx; 112 uint32_t msg; 113 uint32_t vector_control; 114 uint64_t addr; 115 }; 116 117 struct vm_nmi { 118 int cpuid; 119 }; 120 121 #define MAX_VM_STATS 64 122 struct vm_stats { 123 int cpuid; /* in */ 124 int num_entries; /* out */ 125 struct timeval tv; 126 uint64_t statbuf[MAX_VM_STATS]; 127 }; 128 129 struct vm_stat_desc { 130 int index; /* in */ 131 char desc[128]; /* out */ 132 }; 133 134 struct vm_x2apic { 135 int cpuid; 136 enum x2apic_state state; 137 }; 138 139 struct vm_gpa_pte { 140 uint64_t gpa; /* in */ 141 uint64_t pte[4]; /* out */ 142 int ptenum; 143 }; 144 145 enum { 146 /* general routines */ 147 IOCNUM_ABIVERS = 0, 148 IOCNUM_RUN = 1, 149 IOCNUM_SET_CAPABILITY = 2, 150 IOCNUM_GET_CAPABILITY = 3, 151 152 /* memory apis */ 153 IOCNUM_MAP_MEMORY = 10, 154 IOCNUM_GET_MEMORY_SEG = 11, 155 IOCNUM_GET_GPA_PMAP = 12, 156 157 /* register/state accessors */ 158 IOCNUM_SET_REGISTER = 20, 159 IOCNUM_GET_REGISTER = 21, 160 IOCNUM_SET_SEGMENT_DESCRIPTOR = 22, 161 IOCNUM_GET_SEGMENT_DESCRIPTOR = 23, 162 163 /* interrupt injection */ 164 IOCNUM_INJECT_EVENT = 30, 165 IOCNUM_LAPIC_IRQ = 31, 166 IOCNUM_INJECT_NMI = 32, 167 168 /* PCI pass-thru */ 169 IOCNUM_BIND_PPTDEV = 40, 170 IOCNUM_UNBIND_PPTDEV = 41, 171 IOCNUM_MAP_PPTDEV_MMIO = 42, 172 IOCNUM_PPTDEV_MSI = 43, 173 IOCNUM_PPTDEV_MSIX = 44, 174 175 /* statistics */ 176 IOCNUM_VM_STATS = 50, 177 IOCNUM_VM_STAT_DESC = 51, 178 179 /* kernel device state */ 180 IOCNUM_SET_X2APIC_STATE = 60, 181 IOCNUM_GET_X2APIC_STATE = 61, 182 }; 183 184 #define VM_RUN \ 185 _IOWR('v', IOCNUM_RUN, struct vm_run) 186 #define VM_MAP_MEMORY \ 187 _IOWR('v', IOCNUM_MAP_MEMORY, struct vm_memory_segment) 188 #define VM_GET_MEMORY_SEG \ 189 _IOWR('v', IOCNUM_GET_MEMORY_SEG, struct vm_memory_segment) 190 #define VM_SET_REGISTER \ 191 _IOW('v', IOCNUM_SET_REGISTER, struct vm_register) 192 #define VM_GET_REGISTER \ 193 _IOWR('v', IOCNUM_GET_REGISTER, struct vm_register) 194 #define VM_SET_SEGMENT_DESCRIPTOR \ 195 _IOW('v', IOCNUM_SET_SEGMENT_DESCRIPTOR, struct vm_seg_desc) 196 #define VM_GET_SEGMENT_DESCRIPTOR \ 197 _IOWR('v', IOCNUM_GET_SEGMENT_DESCRIPTOR, struct vm_seg_desc) 198 #define VM_INJECT_EVENT \ 199 _IOW('v', IOCNUM_INJECT_EVENT, struct vm_event) 200 #define VM_LAPIC_IRQ \ 201 _IOW('v', IOCNUM_LAPIC_IRQ, struct vm_lapic_irq) 202 #define VM_SET_CAPABILITY \ 203 _IOW('v', IOCNUM_SET_CAPABILITY, struct vm_capability) 204 #define VM_GET_CAPABILITY \ 205 _IOWR('v', IOCNUM_GET_CAPABILITY, struct vm_capability) 206 #define VM_BIND_PPTDEV \ 207 _IOW('v', IOCNUM_BIND_PPTDEV, struct vm_pptdev) 208 #define VM_UNBIND_PPTDEV \ 209 _IOW('v', IOCNUM_UNBIND_PPTDEV, struct vm_pptdev) 210 #define VM_MAP_PPTDEV_MMIO \ 211 _IOW('v', IOCNUM_MAP_PPTDEV_MMIO, struct vm_pptdev_mmio) 212 #define VM_PPTDEV_MSI \ 213 _IOW('v', IOCNUM_PPTDEV_MSI, struct vm_pptdev_msi) 214 #define VM_PPTDEV_MSIX \ 215 _IOW('v', IOCNUM_PPTDEV_MSIX, struct vm_pptdev_msix) 216 #define VM_INJECT_NMI \ 217 _IOW('v', IOCNUM_INJECT_NMI, struct vm_nmi) 218 #define VM_STATS \ 219 _IOWR('v', IOCNUM_VM_STATS, struct vm_stats) 220 #define VM_STAT_DESC \ 221 _IOWR('v', IOCNUM_VM_STAT_DESC, struct vm_stat_desc) 222 #define VM_SET_X2APIC_STATE \ 223 _IOW('v', IOCNUM_SET_X2APIC_STATE, struct vm_x2apic) 224 #define VM_GET_X2APIC_STATE \ 225 _IOWR('v', IOCNUM_GET_X2APIC_STATE, struct vm_x2apic) 226 #define VM_GET_GPA_PMAP \ 227 _IOWR('v', IOCNUM_GET_GPA_PMAP, struct vm_gpa_pte) 228 #endif 229