14c87aefeSPatrick Mooney /*- 2*32640292SAndy Fiddaman * SPDX-License-Identifier: BSD-2-Clause 34c87aefeSPatrick Mooney * 44c87aefeSPatrick Mooney * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com) 54c87aefeSPatrick Mooney * All rights reserved. 64c87aefeSPatrick Mooney * 74c87aefeSPatrick Mooney * Redistribution and use in source and binary forms, with or without 84c87aefeSPatrick Mooney * modification, are permitted provided that the following conditions 94c87aefeSPatrick Mooney * are met: 104c87aefeSPatrick Mooney * 1. Redistributions of source code must retain the above copyright 114c87aefeSPatrick Mooney * notice unmodified, this list of conditions, and the following 124c87aefeSPatrick Mooney * disclaimer. 134c87aefeSPatrick Mooney * 2. Redistributions in binary form must reproduce the above copyright 144c87aefeSPatrick Mooney * notice, this list of conditions and the following disclaimer in the 154c87aefeSPatrick Mooney * documentation and/or other materials provided with the distribution. 164c87aefeSPatrick Mooney * 174c87aefeSPatrick Mooney * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 184c87aefeSPatrick Mooney * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 194c87aefeSPatrick Mooney * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 204c87aefeSPatrick Mooney * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 214c87aefeSPatrick Mooney * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 224c87aefeSPatrick Mooney * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234c87aefeSPatrick Mooney * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 244c87aefeSPatrick Mooney * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254c87aefeSPatrick Mooney * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 264c87aefeSPatrick Mooney * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274c87aefeSPatrick Mooney */ 284c87aefeSPatrick Mooney 29a517c69dSPatrick Mooney /* 30a517c69dSPatrick Mooney * This file and its contents are supplied under the terms of the 31a517c69dSPatrick Mooney * Common Development and Distribution License ("CDDL"), version 1.0. 32a517c69dSPatrick Mooney * You may only use this file in accordance with the terms of version 33a517c69dSPatrick Mooney * 1.0 of the CDDL. 34a517c69dSPatrick Mooney * 35a517c69dSPatrick Mooney * A full copy of the text of the CDDL should have accompanied this 36a517c69dSPatrick Mooney * source. A copy of the CDDL is also available via the Internet at 37a517c69dSPatrick Mooney * http://www.illumos.org/license/CDDL. 38a517c69dSPatrick Mooney * 393d097f7dSPatrick Mooney * Copyright 2022 Oxide Computer Company 40a517c69dSPatrick Mooney */ 41a517c69dSPatrick Mooney 424c87aefeSPatrick Mooney #ifndef _VMCB_H_ 434c87aefeSPatrick Mooney #define _VMCB_H_ 444c87aefeSPatrick Mooney 454c87aefeSPatrick Mooney struct svm_softc; 464c87aefeSPatrick Mooney 472699b94cSPatrick Mooney #define BIT(n) (1ULL << n) 484c87aefeSPatrick Mooney 494c87aefeSPatrick Mooney /* 504c87aefeSPatrick Mooney * Secure Virtual Machine: AMD64 Programmer's Manual Vol2, Chapter 15 514c87aefeSPatrick Mooney * Layout of VMCB: AMD64 Programmer's Manual Vol2, Appendix B 524c87aefeSPatrick Mooney */ 534c87aefeSPatrick Mooney 544c87aefeSPatrick Mooney /* vmcb_ctrl->intercept[] array indices */ 554c87aefeSPatrick Mooney #define VMCB_CR_INTCPT 0 564c87aefeSPatrick Mooney #define VMCB_DR_INTCPT 1 574c87aefeSPatrick Mooney #define VMCB_EXC_INTCPT 2 584c87aefeSPatrick Mooney #define VMCB_CTRL1_INTCPT 3 594c87aefeSPatrick Mooney #define VMCB_CTRL2_INTCPT 4 604c87aefeSPatrick Mooney 614c87aefeSPatrick Mooney /* intercept[VMCB_CTRL1_INTCPT] fields */ 624c87aefeSPatrick Mooney #define VMCB_INTCPT_INTR BIT(0) 634c87aefeSPatrick Mooney #define VMCB_INTCPT_NMI BIT(1) 644c87aefeSPatrick Mooney #define VMCB_INTCPT_SMI BIT(2) 654c87aefeSPatrick Mooney #define VMCB_INTCPT_INIT BIT(3) 664c87aefeSPatrick Mooney #define VMCB_INTCPT_VINTR BIT(4) 674c87aefeSPatrick Mooney #define VMCB_INTCPT_CR0_WRITE BIT(5) 684c87aefeSPatrick Mooney #define VMCB_INTCPT_IDTR_READ BIT(6) 694c87aefeSPatrick Mooney #define VMCB_INTCPT_GDTR_READ BIT(7) 704c87aefeSPatrick Mooney #define VMCB_INTCPT_LDTR_READ BIT(8) 714c87aefeSPatrick Mooney #define VMCB_INTCPT_TR_READ BIT(9) 724c87aefeSPatrick Mooney #define VMCB_INTCPT_IDTR_WRITE BIT(10) 734c87aefeSPatrick Mooney #define VMCB_INTCPT_GDTR_WRITE BIT(11) 744c87aefeSPatrick Mooney #define VMCB_INTCPT_LDTR_WRITE BIT(12) 754c87aefeSPatrick Mooney #define VMCB_INTCPT_TR_WRITE BIT(13) 764c87aefeSPatrick Mooney #define VMCB_INTCPT_RDTSC BIT(14) 774c87aefeSPatrick Mooney #define VMCB_INTCPT_RDPMC BIT(15) 784c87aefeSPatrick Mooney #define VMCB_INTCPT_PUSHF BIT(16) 794c87aefeSPatrick Mooney #define VMCB_INTCPT_POPF BIT(17) 804c87aefeSPatrick Mooney #define VMCB_INTCPT_CPUID BIT(18) 814c87aefeSPatrick Mooney #define VMCB_INTCPT_RSM BIT(19) 824c87aefeSPatrick Mooney #define VMCB_INTCPT_IRET BIT(20) 834c87aefeSPatrick Mooney #define VMCB_INTCPT_INTn BIT(21) 844c87aefeSPatrick Mooney #define VMCB_INTCPT_INVD BIT(22) 854c87aefeSPatrick Mooney #define VMCB_INTCPT_PAUSE BIT(23) 864c87aefeSPatrick Mooney #define VMCB_INTCPT_HLT BIT(24) 878c2fd2ffSPatrick Mooney #define VMCB_INTCPT_INVLPG BIT(25) 888c2fd2ffSPatrick Mooney #define VMCB_INTCPT_INVLPGA BIT(26) 894c87aefeSPatrick Mooney #define VMCB_INTCPT_IO BIT(27) 904c87aefeSPatrick Mooney #define VMCB_INTCPT_MSR BIT(28) 914c87aefeSPatrick Mooney #define VMCB_INTCPT_TASK_SWITCH BIT(29) 924c87aefeSPatrick Mooney #define VMCB_INTCPT_FERR_FREEZE BIT(30) 934c87aefeSPatrick Mooney #define VMCB_INTCPT_SHUTDOWN BIT(31) 944c87aefeSPatrick Mooney 954c87aefeSPatrick Mooney /* intercept[VMCB_CTRL2_INTCPT] fields */ 964c87aefeSPatrick Mooney #define VMCB_INTCPT_VMRUN BIT(0) 974c87aefeSPatrick Mooney #define VMCB_INTCPT_VMMCALL BIT(1) 984c87aefeSPatrick Mooney #define VMCB_INTCPT_VMLOAD BIT(2) 994c87aefeSPatrick Mooney #define VMCB_INTCPT_VMSAVE BIT(3) 1004c87aefeSPatrick Mooney #define VMCB_INTCPT_STGI BIT(4) 1014c87aefeSPatrick Mooney #define VMCB_INTCPT_CLGI BIT(5) 1024c87aefeSPatrick Mooney #define VMCB_INTCPT_SKINIT BIT(6) 1034c87aefeSPatrick Mooney #define VMCB_INTCPT_RDTSCP BIT(7) 1044c87aefeSPatrick Mooney #define VMCB_INTCPT_ICEBP BIT(8) 1054c87aefeSPatrick Mooney #define VMCB_INTCPT_WBINVD BIT(9) 1064c87aefeSPatrick Mooney #define VMCB_INTCPT_MONITOR BIT(10) 1074c87aefeSPatrick Mooney #define VMCB_INTCPT_MWAIT BIT(11) 1084c87aefeSPatrick Mooney #define VMCB_INTCPT_MWAIT_ARMED BIT(12) 1094c87aefeSPatrick Mooney #define VMCB_INTCPT_XSETBV BIT(13) 1104c87aefeSPatrick Mooney 1114c87aefeSPatrick Mooney /* VMCB TLB control */ 1124c87aefeSPatrick Mooney #define VMCB_TLB_FLUSH_NOTHING 0 /* Flush nothing */ 1134c87aefeSPatrick Mooney #define VMCB_TLB_FLUSH_ALL 1 /* Flush entire TLB */ 1144c87aefeSPatrick Mooney #define VMCB_TLB_FLUSH_GUEST 3 /* Flush all guest entries */ 1154c87aefeSPatrick Mooney #define VMCB_TLB_FLUSH_GUEST_NONGLOBAL 7 /* Flush guest non-PG entries */ 1164c87aefeSPatrick Mooney 1174c87aefeSPatrick Mooney /* VMCB state caching */ 1184c87aefeSPatrick Mooney #define VMCB_CACHE_NONE 0 /* No caching */ 1194c87aefeSPatrick Mooney #define VMCB_CACHE_I BIT(0) /* Intercept, TSC off, Pause filter */ 1204c87aefeSPatrick Mooney #define VMCB_CACHE_IOPM BIT(1) /* I/O and MSR permission */ 1214c87aefeSPatrick Mooney #define VMCB_CACHE_ASID BIT(2) /* ASID */ 1224c87aefeSPatrick Mooney #define VMCB_CACHE_TPR BIT(3) /* V_TPR to V_INTR_VECTOR */ 1234c87aefeSPatrick Mooney #define VMCB_CACHE_NP BIT(4) /* Nested Paging */ 1244c87aefeSPatrick Mooney #define VMCB_CACHE_CR BIT(5) /* CR0, CR3, CR4 & EFER */ 1254c87aefeSPatrick Mooney #define VMCB_CACHE_DR BIT(6) /* Debug registers */ 1264c87aefeSPatrick Mooney #define VMCB_CACHE_DT BIT(7) /* GDT/IDT */ 1274c87aefeSPatrick Mooney #define VMCB_CACHE_SEG BIT(8) /* User segments, CPL */ 1284c87aefeSPatrick Mooney #define VMCB_CACHE_CR2 BIT(9) /* page fault address */ 1294c87aefeSPatrick Mooney #define VMCB_CACHE_LBR BIT(10) /* Last branch */ 1304c87aefeSPatrick Mooney 1314c87aefeSPatrick Mooney /* VMCB control event injection */ 1324c87aefeSPatrick Mooney #define VMCB_EVENTINJ_EC_VALID BIT(11) /* Error Code valid */ 1334c87aefeSPatrick Mooney #define VMCB_EVENTINJ_VALID BIT(31) /* Event valid */ 1344c87aefeSPatrick Mooney 1354c87aefeSPatrick Mooney /* Event types that can be injected */ 1364c87aefeSPatrick Mooney #define VMCB_EVENTINJ_TYPE_INTR 0 137c74a40a5SPatrick Mooney #define VMCB_EVENTINJ_TYPE_NMI (2 << 8) 138c74a40a5SPatrick Mooney #define VMCB_EVENTINJ_TYPE_EXCEPTION (3 << 8) 139c74a40a5SPatrick Mooney #define VMCB_EVENTINJ_TYPE_INTn (4 << 8) 1404c87aefeSPatrick Mooney 1414c87aefeSPatrick Mooney /* VMCB exit code, APM vol2 Appendix C */ 1427db0d193SPatrick Mooney #define VMCB_EXIT_CR0_READ 0x00 1437db0d193SPatrick Mooney #define VMCB_EXIT_CR15_READ 0x0f 1447db0d193SPatrick Mooney #define VMCB_EXIT_CR0_WRITE 0x10 1457db0d193SPatrick Mooney #define VMCB_EXIT_CR15_WRITE 0x1f 1463d097f7dSPatrick Mooney #define VMCB_EXIT_EXCP0 0x40 1473d097f7dSPatrick Mooney #define VMCB_EXIT_EXCP31 0x5f 1484c87aefeSPatrick Mooney #define VMCB_EXIT_INTR 0x60 1494c87aefeSPatrick Mooney #define VMCB_EXIT_NMI 0x61 1508269d05cSPatrick Mooney #define VMCB_EXIT_SMI 0x62 1518269d05cSPatrick Mooney #define VMCB_EXIT_INIT 0x63 1524c87aefeSPatrick Mooney #define VMCB_EXIT_VINTR 0x64 1537db0d193SPatrick Mooney #define VMCB_EXIT_CR0_SEL_WRITE 0x65 1544c87aefeSPatrick Mooney #define VMCB_EXIT_PUSHF 0x70 1554c87aefeSPatrick Mooney #define VMCB_EXIT_POPF 0x71 1564c87aefeSPatrick Mooney #define VMCB_EXIT_CPUID 0x72 1574c87aefeSPatrick Mooney #define VMCB_EXIT_IRET 0x74 1588c2fd2ffSPatrick Mooney #define VMCB_EXIT_INVD 0x76 1594c87aefeSPatrick Mooney #define VMCB_EXIT_PAUSE 0x77 1604c87aefeSPatrick Mooney #define VMCB_EXIT_HLT 0x78 1618c2fd2ffSPatrick Mooney #define VMCB_EXIT_INVLPG 0x79 1628c2fd2ffSPatrick Mooney #define VMCB_EXIT_INVLPGA 0x7A 1634c87aefeSPatrick Mooney #define VMCB_EXIT_IO 0x7B 1644c87aefeSPatrick Mooney #define VMCB_EXIT_MSR 0x7C 1654c87aefeSPatrick Mooney #define VMCB_EXIT_SHUTDOWN 0x7F 1668c2fd2ffSPatrick Mooney #define VMCB_EXIT_VMRUN 0x80 1678c2fd2ffSPatrick Mooney #define VMCB_EXIT_VMMCALL 0x81 1688c2fd2ffSPatrick Mooney #define VMCB_EXIT_VMLOAD 0x82 1694c87aefeSPatrick Mooney #define VMCB_EXIT_VMSAVE 0x83 1708c2fd2ffSPatrick Mooney #define VMCB_EXIT_STGI 0x84 1718c2fd2ffSPatrick Mooney #define VMCB_EXIT_CLGI 0x85 1728c2fd2ffSPatrick Mooney #define VMCB_EXIT_SKINIT 0x86 1734f3f3e9aSAndy Fiddaman #define VMCB_EXIT_WBINVD 0x89 1744c87aefeSPatrick Mooney #define VMCB_EXIT_MONITOR 0x8A 1754c87aefeSPatrick Mooney #define VMCB_EXIT_MWAIT 0x8B 1764c87aefeSPatrick Mooney #define VMCB_EXIT_NPF 0x400 1774c87aefeSPatrick Mooney #define VMCB_EXIT_INVALID -1 1784c87aefeSPatrick Mooney 1797db0d193SPatrick Mooney /* 1807db0d193SPatrick Mooney * Move to/from CRx 1817db0d193SPatrick Mooney * Bit definitions to decode EXITINFO1 1827db0d193SPatrick Mooney */ 1837db0d193SPatrick Mooney #define VMCB_CRx_INFO1_GPR(x) ((x) & 0xf) 1847db0d193SPatrick Mooney #define VMCB_CRx_INFO1_VALID(x) ((x) & (1UL << 63)) 1857db0d193SPatrick Mooney 1864c87aefeSPatrick Mooney /* 1874c87aefeSPatrick Mooney * Nested page fault. 1884c87aefeSPatrick Mooney * Bit definitions to decode EXITINFO1. 1894c87aefeSPatrick Mooney */ 1904c87aefeSPatrick Mooney #define VMCB_NPF_INFO1_P BIT(0) /* Nested page present. */ 1914c87aefeSPatrick Mooney #define VMCB_NPF_INFO1_W BIT(1) /* Access was write. */ 1924c87aefeSPatrick Mooney #define VMCB_NPF_INFO1_U BIT(2) /* Access was user access. */ 1934c87aefeSPatrick Mooney #define VMCB_NPF_INFO1_RSV BIT(3) /* Reserved bits present. */ 1944c87aefeSPatrick Mooney #define VMCB_NPF_INFO1_ID BIT(4) /* Code read. */ 1954c87aefeSPatrick Mooney 1964c87aefeSPatrick Mooney #define VMCB_NPF_INFO1_GPA BIT(32) /* Guest physical address. */ 1974c87aefeSPatrick Mooney #define VMCB_NPF_INFO1_GPT BIT(33) /* Guest page table. */ 1984c87aefeSPatrick Mooney 1994c87aefeSPatrick Mooney /* 2004c87aefeSPatrick Mooney * EXITINTINFO, Interrupt exit info for all intrecepts. 2014c87aefeSPatrick Mooney * Section 15.7.2, Intercepts during IDT Interrupt Delivery. 2024c87aefeSPatrick Mooney */ 2032699b94cSPatrick Mooney #define VMCB_EXITINTINFO_VECTOR(x) ((x) & 0xFF) 2042699b94cSPatrick Mooney #define VMCB_EXITINTINFO_TYPE(x) ((x) & (0x7 << 8)) 2052699b94cSPatrick Mooney #define VMCB_EXITINTINFO_EC_VALID(x) (((x) & BIT(11)) != 0) 2062699b94cSPatrick Mooney #define VMCB_EXITINTINFO_VALID(x) (((x) & BIT(31)) != 0) 2072699b94cSPatrick Mooney #define VMCB_EXITINTINFO_EC(x) (((x) >> 32) & 0xFFFFFFFF) 2084c87aefeSPatrick Mooney 2094c87aefeSPatrick Mooney /* Offset of various VMCB fields. */ 2104c87aefeSPatrick Mooney #define VMCB_OFF_CTRL(x) (x) 2114c87aefeSPatrick Mooney #define VMCB_OFF_STATE(x) ((x) + 0x400) 2124c87aefeSPatrick Mooney 2134c87aefeSPatrick Mooney #define VMCB_OFF_CR_INTERCEPT VMCB_OFF_CTRL(0x0) 2144c87aefeSPatrick Mooney #define VMCB_OFF_DR_INTERCEPT VMCB_OFF_CTRL(0x4) 2154c87aefeSPatrick Mooney #define VMCB_OFF_EXC_INTERCEPT VMCB_OFF_CTRL(0x8) 2164c87aefeSPatrick Mooney #define VMCB_OFF_INST1_INTERCEPT VMCB_OFF_CTRL(0xC) 2174c87aefeSPatrick Mooney #define VMCB_OFF_INST2_INTERCEPT VMCB_OFF_CTRL(0x10) 2184c87aefeSPatrick Mooney #define VMCB_OFF_IO_PERM VMCB_OFF_CTRL(0x40) 2194c87aefeSPatrick Mooney #define VMCB_OFF_MSR_PERM VMCB_OFF_CTRL(0x48) 2204c87aefeSPatrick Mooney #define VMCB_OFF_TSC_OFFSET VMCB_OFF_CTRL(0x50) 2214c87aefeSPatrick Mooney #define VMCB_OFF_ASID VMCB_OFF_CTRL(0x58) 2224c87aefeSPatrick Mooney #define VMCB_OFF_TLB_CTRL VMCB_OFF_CTRL(0x5C) 2234c87aefeSPatrick Mooney #define VMCB_OFF_VIRQ VMCB_OFF_CTRL(0x60) 2244c87aefeSPatrick Mooney #define VMCB_OFF_EXIT_REASON VMCB_OFF_CTRL(0x70) 2254c87aefeSPatrick Mooney #define VMCB_OFF_EXITINFO1 VMCB_OFF_CTRL(0x78) 2264c87aefeSPatrick Mooney #define VMCB_OFF_EXITINFO2 VMCB_OFF_CTRL(0x80) 2274c87aefeSPatrick Mooney #define VMCB_OFF_EXITINTINFO VMCB_OFF_CTRL(0x88) 2284c87aefeSPatrick Mooney #define VMCB_OFF_AVIC_BAR VMCB_OFF_CTRL(0x98) 2294c87aefeSPatrick Mooney #define VMCB_OFF_NPT_BASE VMCB_OFF_CTRL(0xB0) 2304c87aefeSPatrick Mooney #define VMCB_OFF_AVIC_PAGE VMCB_OFF_CTRL(0xE0) 2314c87aefeSPatrick Mooney #define VMCB_OFF_AVIC_LT VMCB_OFF_CTRL(0xF0) 2324c87aefeSPatrick Mooney #define VMCB_OFF_AVIC_PT VMCB_OFF_CTRL(0xF8) 2334c87aefeSPatrick Mooney #define VMCB_OFF_SYSENTER_CS VMCB_OFF_STATE(0x228) 2344c87aefeSPatrick Mooney #define VMCB_OFF_SYSENTER_ESP VMCB_OFF_STATE(0x230) 2354c87aefeSPatrick Mooney #define VMCB_OFF_SYSENTER_EIP VMCB_OFF_STATE(0x238) 2364c87aefeSPatrick Mooney #define VMCB_OFF_GUEST_PAT VMCB_OFF_STATE(0x268) 2374c87aefeSPatrick Mooney 2384c87aefeSPatrick Mooney #ifdef _KERNEL 2394c87aefeSPatrick Mooney /* VMCB save state area segment format */ 2404c87aefeSPatrick Mooney struct vmcb_segment { 2414c87aefeSPatrick Mooney uint16_t selector; 2424c87aefeSPatrick Mooney uint16_t attrib; 2434c87aefeSPatrick Mooney uint32_t limit; 2444c87aefeSPatrick Mooney uint64_t base; 245a517c69dSPatrick Mooney }; 2462699b94cSPatrick Mooney CTASSERT(sizeof (struct vmcb_segment) == 16); 2474c87aefeSPatrick Mooney 248096bb5cbSPatrick Mooney /* Convert to/from vmcb segment access to generic (VMX) access */ 249096bb5cbSPatrick Mooney #define VMCB_ATTR2ACCESS(attr) ((((attr) & 0xf00) << 4) | ((attr) & 0xff)) 250096bb5cbSPatrick Mooney #define VMCB_ACCESS2ATTR(acc) ((((acc) & 0xf000) >> 4) | ((acc) & 0xff)) 251096bb5cbSPatrick Mooney 2524c87aefeSPatrick Mooney /* Code segment descriptor attribute in 12 bit format as saved by VMCB. */ 2534c87aefeSPatrick Mooney #define VMCB_CS_ATTRIB_L BIT(9) /* Long mode. */ 2544c87aefeSPatrick Mooney #define VMCB_CS_ATTRIB_D BIT(10) /* OPerand size bit. */ 2554c87aefeSPatrick Mooney 256a517c69dSPatrick Mooney /* Fields for Virtual Interrupt Control (v_irq) */ 257a517c69dSPatrick Mooney #define V_IRQ BIT(0) /* Offset 0x60 bit 8 (0x61 bit 0) */ 258a517c69dSPatrick Mooney #define V_VGIF_VALUE BIT(1) /* Offset 0x60 bit 9 (0x61 bit 1) */ 259a517c69dSPatrick Mooney 260a517c69dSPatrick Mooney /* Fields for Virtual Interrupt Control (v_intr_prio) */ 261a517c69dSPatrick Mooney #define V_INTR_PRIO 0xf /* Offset 0x60 bits 16-19 (0x62 bits 0-3) */ 262a517c69dSPatrick Mooney #define V_IGN_TPR BIT(4) /* Offset 0x60 bit 20 (0x62 bit 4) */ 263a517c69dSPatrick Mooney 264a517c69dSPatrick Mooney /* Fields for Virtual Interrupt Control (v_intr_ctrl) */ 265a517c69dSPatrick Mooney #define V_INTR_MASKING BIT(0) /* Offset 0x60 bit 24 (0x63 bit 0) */ 266a517c69dSPatrick Mooney #define V_VGIF_ENABLE BIT(1) /* Offset 0x60 bit 25 (0x63 bit 1) */ 267a517c69dSPatrick Mooney #define V_AVIC_ENABLE BIT(7) /* Offset 0x60 bit 31 (0x63 bit 7) */ 268a517c69dSPatrick Mooney 269a517c69dSPatrick Mooney /* Fields in Interrupt Shadow, offset 0x68 */ 270a517c69dSPatrick Mooney #define VIRTUAL_INTR_SHADOW BIT(0) 271a517c69dSPatrick Mooney #define GUEST_INTERRUPT_MASK BIT(1) 272a517c69dSPatrick Mooney 273a517c69dSPatrick Mooney /* Fields in Nested Paging, offset 0x90 */ 274a517c69dSPatrick Mooney #define NP_ENABLE BIT(0) /* Enable nested paging */ 275a517c69dSPatrick Mooney #define SEV_ENABLE BIT(1) /* Enable SEV */ 276a517c69dSPatrick Mooney #define SEV_ES_ENABLE BIT(2) /* Enable SEV-ES */ 277a517c69dSPatrick Mooney #define GUEST_MODE_EXEC_TRAP BIT(3) /* Guest mode execute trap */ 278a517c69dSPatrick Mooney #define VIRT_TRANSPAR_ENCRYPT BIT(5) /* Virtual transparent encryption */ 279a517c69dSPatrick Mooney 280a517c69dSPatrick Mooney /* Fields in Misc virt controls, offset 0xB8 */ 281a517c69dSPatrick Mooney #define LBR_VIRT_ENABLE BIT(0) /* Enable LBR virtualization accel */ 282a517c69dSPatrick Mooney #define VIRT_VMSAVE_VMLOAD BIT(1) /* Virtualized VMSAVE/VMLOAD */ 283a517c69dSPatrick Mooney 2844c87aefeSPatrick Mooney /* 2854c87aefeSPatrick Mooney * The VMCB is divided into two areas - the first one contains various 2864c87aefeSPatrick Mooney * control bits including the intercept vector and the second one contains 2874c87aefeSPatrick Mooney * the guest state. 2884c87aefeSPatrick Mooney */ 2894c87aefeSPatrick Mooney 2904c87aefeSPatrick Mooney /* VMCB control area - padded up to 1024 bytes */ 2914c87aefeSPatrick Mooney struct vmcb_ctrl { 292a517c69dSPatrick Mooney uint32_t intercept[5]; /* 0x00-0x13: all intercepts */ 293a517c69dSPatrick Mooney uint32_t _pad1[10]; /* 0x14-0x3B: Reserved. */ 294a517c69dSPatrick Mooney uint32_t pause_ctrl; /* 0x3C, PAUSE filter thresh/count */ 2954c87aefeSPatrick Mooney uint64_t iopm_base_pa; /* 0x40: IOPM_BASE_PA */ 2964c87aefeSPatrick Mooney uint64_t msrpm_base_pa; /* 0x48: MSRPM_BASE_PA */ 2974c87aefeSPatrick Mooney uint64_t tsc_offset; /* 0x50: TSC_OFFSET */ 2984c87aefeSPatrick Mooney uint32_t asid; /* 0x58: Guest ASID */ 299a517c69dSPatrick Mooney uint8_t tlb_ctrl; /* 0x5C: TLB_CONTROL */ 300a517c69dSPatrick Mooney uint8_t _pad2[3]; /* 0x5D-0x5F: Reserved. */ 301a517c69dSPatrick Mooney uint8_t v_tpr; /* 0x60: Virtual TPR */ 302a517c69dSPatrick Mooney uint8_t v_irq; /* 0x61: V_IRQ, V_GIF_VALUE + Reserved */ 303a517c69dSPatrick Mooney uint8_t v_intr_prio; /* 0x62: V_INTR_PRIO, V_IGN_TPR */ 304a517c69dSPatrick Mooney uint8_t v_intr_ctrl; /* 0x63: V_INTR_MASKING, vGIF and AVIC enable */ 305a517c69dSPatrick Mooney uint8_t v_intr_vector; /* 0x64: Virtual interrupt vector */ 306a517c69dSPatrick Mooney uint8_t _pad3[3]; /* 0x65-0x67: Reserved */ 307a517c69dSPatrick Mooney uint64_t intr_shadow; /* 0x68: Interrupt shadow (and more) */ 3084c87aefeSPatrick Mooney uint64_t exitcode; /* 0x70, Exitcode */ 3094c87aefeSPatrick Mooney uint64_t exitinfo1; /* 0x78, EXITINFO1 */ 3104c87aefeSPatrick Mooney uint64_t exitinfo2; /* 0x80, EXITINFO2 */ 3114c87aefeSPatrick Mooney uint64_t exitintinfo; /* 0x88, Interrupt exit value. */ 312a517c69dSPatrick Mooney uint64_t np_ctrl; /* 0x90, Nested paging control. */ 313a517c69dSPatrick Mooney uint64_t _pad4[2]; /* 0x98-0xA7 reserved. */ 3144c87aefeSPatrick Mooney uint64_t eventinj; /* 0xA8, Event injection. */ 315a517c69dSPatrick Mooney uint64_t n_cr3; /* 0xB0, Nested page table. */ 316a517c69dSPatrick Mooney uint64_t misc_ctrl; /* 0xB8, Misc virt controls */ 3174c87aefeSPatrick Mooney uint32_t vmcb_clean; /* 0xC0: VMCB clean bits for caching */ 318a517c69dSPatrick Mooney uint32_t _pad5; /* 0xC4: Reserved */ 3194c87aefeSPatrick Mooney uint64_t nrip; /* 0xC8: Guest next nRIP. */ 320a517c69dSPatrick Mooney uint8_t inst_len; /* 0xD0: #NPF decode assist */ 321a517c69dSPatrick Mooney uint8_t inst_bytes[15]; /* 0xD1-0xDF: guest instr bytes */ 322a517c69dSPatrick Mooney uint64_t avic_page_pa; /* 0xEO: AVIC backing page */ 323a517c69dSPatrick Mooney uint64_t _pad6; /* 0xE8-0xEF: Reserved */ 324a517c69dSPatrick Mooney uint64_t avic_log_tbl; /* 0xFO: AVIC logical table */ 325a517c69dSPatrick Mooney uint64_t avic_phys_tbl; /* 0xF8: AVIC physical page */ 326a517c69dSPatrick Mooney uint64_t _pad7; /* 0x100-0x107: Reserved */ 327a517c69dSPatrick Mooney uint64_t vmsa_pa; /* 0x108: VMSA pointer */ 328a517c69dSPatrick Mooney uint64_t _pad8[94]; /* 0x110-0x3FF: Reserved */ 329a517c69dSPatrick Mooney }; 3302699b94cSPatrick Mooney CTASSERT(sizeof (struct vmcb_ctrl) == 1024); 331a517c69dSPatrick Mooney CTASSERT(offsetof(struct vmcb_ctrl, vmsa_pa) == 0x108); 3324c87aefeSPatrick Mooney 3334c87aefeSPatrick Mooney struct vmcb_state { 334a517c69dSPatrick Mooney struct vmcb_segment es; /* 0x00: 32bit base */ 335a517c69dSPatrick Mooney struct vmcb_segment cs; /* 0x10: 32bit base */ 336a517c69dSPatrick Mooney struct vmcb_segment ss; /* 0x20: 32bit base */ 337a517c69dSPatrick Mooney struct vmcb_segment ds; /* 0x30: 32bit base */ 338a517c69dSPatrick Mooney struct vmcb_segment fs; /* 0x40 */ 339a517c69dSPatrick Mooney struct vmcb_segment gs; /* 0x50 */ 340a517c69dSPatrick Mooney struct vmcb_segment gdt; /* 0x60: base + 16bit limit */ 341a517c69dSPatrick Mooney struct vmcb_segment ldt; /* 0x70 */ 342a517c69dSPatrick Mooney struct vmcb_segment idt; /* 0x80: base + 16bit limit */ 343a517c69dSPatrick Mooney struct vmcb_segment tr; /* 0x90 */ 344a517c69dSPatrick Mooney uint8_t _pad1[43]; /* 0xA0-0xCA: Reserved */ 345a517c69dSPatrick Mooney uint8_t cpl; /* 0xCB: CPL (real mode: 0, virt: 3) */ 346a517c69dSPatrick Mooney uint32_t _pad2; /* 0xCC-0xCF: Reserved */ 347a517c69dSPatrick Mooney uint64_t efer; /* 0xD0 */ 348a517c69dSPatrick Mooney uint64_t _pad3[14]; /* 0xD8-0x147: Reserved */ 349a517c69dSPatrick Mooney uint64_t cr4; /* 0x148 */ 350a517c69dSPatrick Mooney uint64_t cr3; /* 0x150 */ 351a517c69dSPatrick Mooney uint64_t cr0; /* 0x158 */ 352a517c69dSPatrick Mooney uint64_t dr7; /* 0x160 */ 353a517c69dSPatrick Mooney uint64_t dr6; /* 0x168 */ 354a517c69dSPatrick Mooney uint64_t rflags; /* 0x170 */ 355a517c69dSPatrick Mooney uint64_t rip; /* 0x178 */ 356a517c69dSPatrick Mooney uint64_t _pad4[11]; /* 0x180-0x1D7: Reserved */ 357a517c69dSPatrick Mooney uint64_t rsp; /* 0x1D8 */ 358a517c69dSPatrick Mooney uint64_t _pad5[3]; /* 0x1E0-0x1F7: Reserved */ 359a517c69dSPatrick Mooney uint64_t rax; /* 0x1F8 */ 360a517c69dSPatrick Mooney uint64_t star; /* 0x200 */ 361a517c69dSPatrick Mooney uint64_t lstar; /* 0x208 */ 362a517c69dSPatrick Mooney uint64_t cstar; /* 0x210 */ 363a517c69dSPatrick Mooney uint64_t sfmask; /* 0x218 */ 364a517c69dSPatrick Mooney uint64_t kernelgsbase; /* 0x220 */ 365a517c69dSPatrick Mooney uint64_t sysenter_cs; /* 0x228 */ 366a517c69dSPatrick Mooney uint64_t sysenter_esp; /* 0x230 */ 367a517c69dSPatrick Mooney uint64_t sysenter_eip; /* 0x238 */ 368a517c69dSPatrick Mooney uint64_t cr2; /* 0x240 */ 369a517c69dSPatrick Mooney uint64_t _pad6[4]; /* 0x248-0x267: Reserved */ 370a517c69dSPatrick Mooney uint64_t g_pat; /* 0x268 */ 371a517c69dSPatrick Mooney uint64_t dbgctl; /* 0x270 */ 372a517c69dSPatrick Mooney uint64_t br_from; /* 0x278 */ 373a517c69dSPatrick Mooney uint64_t br_to; /* 0x280 */ 374a517c69dSPatrick Mooney uint64_t int_from; /* 0x288 */ 375a517c69dSPatrick Mooney uint64_t int_to; /* 0x290 */ 376a517c69dSPatrick Mooney uint64_t _pad7[301]; /* Reserved up to end of VMCB */ 377a517c69dSPatrick Mooney }; 3782699b94cSPatrick Mooney CTASSERT(sizeof (struct vmcb_state) == 0xC00); 379a517c69dSPatrick Mooney CTASSERT(offsetof(struct vmcb_state, int_to) == 0x290); 3804c87aefeSPatrick Mooney 381096bb5cbSPatrick Mooney /* 382096bb5cbSPatrick Mooney * The VMCB aka Virtual Machine Control Block is a 4KB aligned page 383096bb5cbSPatrick Mooney * in memory that describes the virtual machine. 384096bb5cbSPatrick Mooney * 385096bb5cbSPatrick Mooney * The VMCB contains: 386096bb5cbSPatrick Mooney * - instructions or events in the guest to intercept 387096bb5cbSPatrick Mooney * - control bits that modify execution environment of the guest 388096bb5cbSPatrick Mooney * - guest processor state (e.g. general purpose registers) 389096bb5cbSPatrick Mooney */ 3904c87aefeSPatrick Mooney struct vmcb { 3914c87aefeSPatrick Mooney struct vmcb_ctrl ctrl; 3924c87aefeSPatrick Mooney struct vmcb_state state; 393a517c69dSPatrick Mooney }; 3942699b94cSPatrick Mooney CTASSERT(sizeof (struct vmcb) == PAGE_SIZE); 3954c87aefeSPatrick Mooney CTASSERT(offsetof(struct vmcb, state) == 0x400); 3964c87aefeSPatrick Mooney 397096bb5cbSPatrick Mooney struct vmcb_segment *vmcb_segptr(struct vmcb *vmcb, int type); 398096bb5cbSPatrick Mooney uint64_t *vmcb_regptr(struct vmcb *vmcb, int ident, uint32_t *dirtyp); 39954cf5b63SPatrick Mooney uint64_t *vmcb_msr_ptr(struct vmcb *vmcb, uint32_t ident, uint32_t *dirtyp); 4004c87aefeSPatrick Mooney 4014c87aefeSPatrick Mooney #endif /* _KERNEL */ 4024c87aefeSPatrick Mooney #endif /* _VMCB_H_ */ 403