- SVM nested paging support
- Define data structures to contain the SVM vcpu context - Define data structures to contain guest and host software context - Change license in vmcb.h and vmcb.c to remove references to NetApp that inadvertently sneaked in when the license text was copied from amdv.c. Submitted by: Anish Gupta (akgupt3@gmail.com)
This commit is contained in:
Neel Natu
parent
92ec8c801d
commit
b18ac2d833
323
sys/amd64/vmm/amd/npt.c
Normal file
323
sys/amd64/vmm/amd/npt.c
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@ -0,0 +1,323 @@
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/*-
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* Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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||||
* are met:
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice unmodified, 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.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/pmap.h>
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#include <machine/md_var.h>
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#include <machine/vmparam.h>
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#include <machine/vmm.h>
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#include "svm.h"
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#include "vmcb.h"
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#include "svm_softc.h"
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#include "npt.h"
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/*
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* "Nested Paging" is an optional SVM feature that provides two levels of
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* address translation, thus eliminating the need for the VMM to maintain
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* shadow page tables.
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*
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* Documented in APMv2, section 15.25, Nested Paging.
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*/
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#define PAGE_4KB (4 * 1024)
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#define PAGE_2MB (2 * 1024 * 1024UL)
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#define PAGE_1GB (1024 * 1024 * 1024UL)
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#define GPA_UNMAPPED ((vm_paddr_t)~0)
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/* Get page entry to physical address. */
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#define PTE2PA(x) ((uint64_t)(x) & ~PAGE_MASK)
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MALLOC_DECLARE(M_SVM);
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static uint64_t svm_npt_create(pml4_entry_t *pml4, vm_paddr_t gpa,
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vm_paddr_t hpa, vm_memattr_t attr,
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int prot, uint64_t size);
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static const int PT_INDEX_MASK = 0x1FF;
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static const int PT_SHIFT = 9;
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/*
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* Helper function to create nested page table entries for a page
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* of size 1GB, 2MB or 4KB.
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*
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* Starting from PML4 create a PDPTE, PDE or PTE depending on 'pg_size'
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* value of 1GB, 2MB or 4KB respectively.
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*
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* Return size of the mapping created on success and 0 on failure.
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*
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* XXX: NPT PAT settings.
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*/
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static uint64_t
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svm_npt_create(pml4_entry_t * pml4, vm_paddr_t gpa, vm_paddr_t hpa,
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vm_memattr_t attr, int prot, uint64_t pg_size)
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{
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uint64_t *pt, *page, pa;
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pt_entry_t mode;
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int shift, index;
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KASSERT(pg_size, ("Size of page must be 1GB, 2MB or 4KB"));
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if (hpa & (pg_size - 1)) {
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ERR("HPA(0x%lx) is not aligned, size:0x%lx\n", hpa, pg_size);
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return (0);
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}
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if (gpa & (pg_size - 1)) {
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ERR("GPA(0x%lx) is not aligned, size (0x%lx)\n", gpa, pg_size);
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return (0);
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}
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/* Find out mode bits for PTE */
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mode = PG_U;
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if (prot & VM_PROT_WRITE)
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mode |= PG_RW;
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if ((prot & VM_PROT_EXECUTE) == 0)
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mode |= pg_nx;
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if (prot != VM_PROT_NONE)
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mode |= PG_V;
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pt = (uint64_t *)pml4;
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shift = PML4SHIFT;
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while ((shift > PAGE_SHIFT) && (pg_size < (1UL << shift))) {
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/* Get PDP, PD or PT index from guest physical address. */
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index = (gpa >> shift) & PT_INDEX_MASK;
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/* If page entry is missing, allocate new page for table.*/
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if (pt[index] == 0) {
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page = malloc(PAGE_SIZE, M_SVM, M_WAITOK | M_ZERO);
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pt[index] = vtophys(page) | mode;
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}
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pa = PTE2PA(pt[index]);;
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pt = (uint64_t *)PHYS_TO_DMAP(pa);
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shift -= PT_SHIFT;
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}
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/* Create leaf entry mapping. */
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index = (gpa >> shift) & PT_INDEX_MASK;
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if (pt[index] != 0) {
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ERR("Mapping already exists.\n");
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return (0);
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}
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pt[index] = hpa | mode;
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/* If its not last level page table entry, set PS bit. */
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if (pg_size > PAGE_SIZE) {
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pt[index] |= PG_PS;
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}
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return (1UL << shift);
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}
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/*
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* Map guest physical address to host physical address.
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*/
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int
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svm_npt_vmmap_set(void *arg, vm_paddr_t gpa, vm_paddr_t hpa,
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size_t size, vm_memattr_t attr, int prot, boolean_t spok)
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{
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pml4_entry_t *pml4;
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struct svm_softc *svm_sc;
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uint64_t len, mapped, pg_size;
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svm_sc = arg;
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pml4 = svm_sc->np_pml4;
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pg_size = PAGE_4KB;
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if (spok) {
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pg_size = PAGE_2MB;
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if (amd_feature & AMDID_PAGE1GB)
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pg_size = PAGE_1GB;
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}
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/* Compute the largest page mapping that can be used */
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while (pg_size > PAGE_4KB) {
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if (size >= pg_size &&
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(gpa & (pg_size - 1)) == 0 &&
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(hpa & (pg_size - 1)) == 0) {
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break;
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}
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pg_size >>= PT_SHIFT;
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}
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len = 0;
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while (len < size) {
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mapped = svm_npt_create(pml4, gpa + len, hpa + len, attr, prot,
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pg_size);
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if (mapped == 0) {
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panic("Couldn't map GPA:0x%lx, size:0x%lx", gpa,
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pg_size);
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}
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len += mapped;
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}
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return (0);
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}
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/*
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* Get HPA for a given GPA.
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*/
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vm_paddr_t
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svm_npt_vmmap_get(void *arg, vm_paddr_t gpa)
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{
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struct svm_softc *svm_sc;
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pml4_entry_t *pml4;
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uint64_t *pt, pa, hpa, pgmask;
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int shift, index;
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svm_sc = arg;
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pml4 = svm_sc->np_pml4;
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pt = (uint64_t *)pml4;
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shift = PML4SHIFT;
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while (shift > PAGE_SHIFT) {
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/* Get PDP, PD or PT index from GPA */
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index = (gpa >> shift) & PT_INDEX_MASK;
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if (pt[index] == 0) {
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ERR("No entry for GPA:0x%lx.", gpa);
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return (GPA_UNMAPPED);
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}
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if (pt[index] & PG_PS) {
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break;
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}
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pa = PTE2PA(pt[index]);;
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pt = (uint64_t *)PHYS_TO_DMAP(pa);
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shift -= PT_SHIFT;
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}
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index = (gpa >> shift) & PT_INDEX_MASK;
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if (pt[index] == 0) {
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ERR("No mapping for GPA:0x%lx.\n", gpa);
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return (GPA_UNMAPPED);
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}
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/* Add GPA offset to HPA */
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pgmask = (1UL << shift) - 1;
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hpa = (PTE2PA(pt[index]) & ~pgmask) | (gpa & pgmask);
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return (hpa);
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}
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/*
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* AMD nested page table init.
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*/
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int
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svm_npt_init(void)
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{
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return (0);
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}
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/*
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* Free Page Table page.
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*/
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static void
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free_pt(pd_entry_t pde)
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{
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pt_entry_t *pt;
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pt = (pt_entry_t *)PHYS_TO_DMAP(PTE2PA(pde));
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free(pt, M_SVM);
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}
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/*
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* Free Page Directory page.
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*/
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static void
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free_pd(pdp_entry_t pdpe)
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{
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pd_entry_t *pd;
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int i;
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pd = (pd_entry_t *)PHYS_TO_DMAP(PTE2PA(pdpe));
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for (i = 0; i < NPDEPG; i++) {
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/* Skip not-present or superpage entries */
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if ((pd[i] == 0) || (pd[i] & PG_PS))
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continue;
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free_pt(pd[i]);
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}
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free(pd, M_SVM);
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}
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/*
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* Free Page Directory Pointer page.
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*/
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static void
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free_pdp(pml4_entry_t pml4e)
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{
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pdp_entry_t *pdp;
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int i;
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pdp = (pdp_entry_t *)PHYS_TO_DMAP(PTE2PA(pml4e));
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for (i = 0; i < NPDPEPG; i++) {
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/* Skip not-present or superpage entries */
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if ((pdp[i] == 0) || (pdp[i] & PG_PS))
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continue;
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free_pd(pdp[i]);
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}
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free(pdp, M_SVM);
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}
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/*
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* Free the guest's nested page table.
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*/
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int
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svm_npt_cleanup(struct svm_softc *svm_sc)
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{
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pml4_entry_t *pml4;
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int i;
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pml4 = svm_sc->np_pml4;
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for (i = 0; i < NPML4EPG; i++) {
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if (pml4[i] != 0) {
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free_pdp(pml4[i]);
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pml4[i] = 0;
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}
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}
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return (0);
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}
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40
sys/amd64/vmm/amd/npt.h
Normal file
40
sys/amd64/vmm/amd/npt.h
Normal file
@ -0,0 +1,40 @@
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/*-
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* Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
|
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* are met:
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice unmodified, 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 THE AUTHOR ``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 THE AUTHOR 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.
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*
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* $FreeBSD$
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*/
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#ifndef _SVM_NPT_H_
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#define _SVM_NPT_H_
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struct svm_softc;
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int svm_npt_init(void);
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int svm_npt_cleanup(struct svm_softc *sc);
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vm_paddr_t svm_npt_vmmap_get(void *arg, vm_paddr_t gpa);
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int svm_npt_vmmap_set(void *arg, vm_paddr_t gpa, vm_paddr_t hpa,
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size_t len, vm_memattr_t attr, int prot,
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boolean_t sp);
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#endif /* _SVM_NPT_H_ */
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116
sys/amd64/vmm/amd/svm.h
Normal file
116
sys/amd64/vmm/amd/svm.h
Normal file
@ -0,0 +1,116 @@
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/*-
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* Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
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* All rights reserved.
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*
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* 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 unmodified, 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 THE AUTHOR ``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 THE AUTHOR 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.
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*
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* $FreeBSD$
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*/
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#ifndef _SVM_H_
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#define _SVM_H_
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#define BIT(n) (1ULL << n)
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#define ERR(fmt, args...) \
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printf("SVM ERROR:%s " fmt "\n", __func__, ##args);
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/*
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* Software saved machine state for guest and host.
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*/
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/* Additional guest register state */
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struct svm_gctx {
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register_t sctx_rdx;
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register_t sctx_rdi;
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register_t sctx_rsi;
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/* Points to host context area. */
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register_t sctx_hostctx_base;
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};
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/* Additional host register state */
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struct svm_hctx {
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uint16_t sctx_fs;
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uint16_t sctx_gs;
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register_t sctx_rsp;
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};
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/* Common register context area for guest and host. */
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struct svm_regctx {
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register_t sctx_rbp;
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register_t sctx_rbx;
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register_t sctx_rcx;
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register_t sctx_r8;
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register_t sctx_r9;
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register_t sctx_r10;
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register_t sctx_r11;
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register_t sctx_r12;
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register_t sctx_r13;
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register_t sctx_r14;
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register_t sctx_r15;
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union {
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struct svm_hctx h; /* host-specific register state */
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struct svm_gctx g; /* guest-specific register state */
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} e;
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};
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void svm_launch(uint64_t pa, struct svm_regctx *, struct svm_regctx *);
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static __inline void
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disable_gintr(void)
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{
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__asm __volatile("clgi" : : :);
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}
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static __inline void
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enable_gintr(void)
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{
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__asm __volatile("stgi" : : :);
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}
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static __inline void
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save_cr2(uint64_t *cr2)
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{
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__asm __volatile(
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"mov %%cr2, %%rax; movq %%rax, %0"
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:"=m"(*cr2)
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:
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:"rax", "memory");
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}
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static __inline void
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load_cr2(uint64_t *cr2)
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{
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__asm __volatile(
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"movq %0, %%rax; movq %%rax, %%cr2"
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:
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:"m"(*cr2)
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:"rax");
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}
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#endif /* _SVM_H_ */
|
||||
57
sys/amd64/vmm/amd/svm_genassym.c
Normal file
57
sys/amd64/vmm/amd/svm_genassym.c
Normal file
@ -0,0 +1,57 @@
|
||||
/*-
|
||||
* Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
|
||||
* 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 unmodified, 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 THE AUTHOR ``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 THE AUTHOR 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.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/assym.h>
|
||||
|
||||
#include "svm.h"
|
||||
|
||||
ASSYM(SCTX_RBX, offsetof(struct svm_regctx, sctx_rbx));
|
||||
ASSYM(SCTX_RCX, offsetof(struct svm_regctx, sctx_rcx));
|
||||
ASSYM(SCTX_RBP, offsetof(struct svm_regctx, sctx_rbp));
|
||||
|
||||
ASSYM(SCTX_R8, offsetof(struct svm_regctx, sctx_r8));
|
||||
ASSYM(SCTX_R9, offsetof(struct svm_regctx, sctx_r9));
|
||||
ASSYM(SCTX_R10, offsetof(struct svm_regctx, sctx_r10));
|
||||
ASSYM(SCTX_R11, offsetof(struct svm_regctx, sctx_r11));
|
||||
ASSYM(SCTX_R12, offsetof(struct svm_regctx, sctx_r12));
|
||||
ASSYM(SCTX_R13, offsetof(struct svm_regctx, sctx_r13));
|
||||
ASSYM(SCTX_R14, offsetof(struct svm_regctx, sctx_r14));
|
||||
ASSYM(SCTX_R15, offsetof(struct svm_regctx, sctx_r15));
|
||||
|
||||
/* Guest only registers. */
|
||||
ASSYM(SCTX_GUEST_RDX, offsetof(struct svm_regctx, e.g.sctx_rdx));
|
||||
ASSYM(SCTX_GUEST_RDI, offsetof(struct svm_regctx, e.g.sctx_rdi));
|
||||
ASSYM(SCTX_GUEST_RSI, offsetof(struct svm_regctx, e.g.sctx_rsi));
|
||||
ASSYM(SCTX_GUEST_HCTX_BASE, offsetof(struct svm_regctx, e.g.sctx_hostctx_base));
|
||||
|
||||
/* Host only registers. */
|
||||
ASSYM(SCTX_HOST_GS, offsetof(struct svm_regctx, e.h.sctx_gs));
|
||||
ASSYM(SCTX_HOST_FS, offsetof(struct svm_regctx, e.h.sctx_fs));
|
||||
ASSYM(SCTX_HOST_RSP, offsetof(struct svm_regctx, e.h.sctx_rsp));
|
||||
117
sys/amd64/vmm/amd/svm_softc.h
Normal file
117
sys/amd64/vmm/amd/svm_softc.h
Normal file
@ -0,0 +1,117 @@
|
||||
/*-
|
||||
* Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
|
||||
* 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 unmodified, 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 THE AUTHOR ``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 THE AUTHOR 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 _SVM_SOFTC_H_
|
||||
#define _SVM_SOFTC_H_
|
||||
|
||||
#define SVM_IO_BITMAP_SIZE (3 * PAGE_SIZE)
|
||||
#define SVM_MSR_BITMAP_SIZE (2 * PAGE_SIZE)
|
||||
|
||||
/*
|
||||
* svm_vpcu contains SVM VMCB state and vcpu register state.
|
||||
*/
|
||||
struct svm_vcpu {
|
||||
struct vmcb vmcb; /* hardware saved vcpu context */
|
||||
struct svm_regctx swctx; /* software saved vcpu context */
|
||||
uint64_t vmcb_pa; /* VMCB physical address */
|
||||
uint64_t loop; /* loop count for vcpu */
|
||||
int lastcpu; /* host cpu that the vcpu last ran on */
|
||||
} __aligned(PAGE_SIZE);
|
||||
|
||||
/*
|
||||
* SVM softc, one per virtual machine.
|
||||
*/
|
||||
struct svm_softc {
|
||||
/*
|
||||
* IO permission map, VMCB.ctrl.iopm_base_pa should point to this.
|
||||
* If a bit is set, access to I/O port is intercepted.
|
||||
*/
|
||||
uint8_t iopm_bitmap[SVM_IO_BITMAP_SIZE];
|
||||
|
||||
/*
|
||||
* MSR permission bitmap, VMCB.ctrl.msrpm_base_pa should point to this.
|
||||
* Two bits are used for each MSR with the LSB used for read access
|
||||
* and the MSB used for write access. A value of '1' indicates that
|
||||
* the operation is intercepted.
|
||||
*/
|
||||
uint8_t msr_bitmap[SVM_MSR_BITMAP_SIZE];
|
||||
|
||||
/* Nested Paging */
|
||||
pml4_entry_t np_pml4[NPML4EPG];
|
||||
|
||||
/* Virtual machine pointer. */
|
||||
struct vm *vm;
|
||||
|
||||
/* Guest VCPU h/w and s/w context. */
|
||||
struct svm_vcpu vcpu[VM_MAXCPU];
|
||||
|
||||
uint32_t svm_feature; /* SVM features from CPUID.*/
|
||||
|
||||
int asid; /* Guest Address Space Identifier */
|
||||
int vcpu_cnt; /* number of VCPUs for this guest.*/
|
||||
} __aligned(PAGE_SIZE);
|
||||
|
||||
CTASSERT((offsetof(struct svm_softc, np_pml4) & PAGE_MASK) == 0);
|
||||
|
||||
static __inline struct svm_vcpu *
|
||||
svm_get_vcpu(struct svm_softc *sc, int vcpu)
|
||||
{
|
||||
|
||||
return (&(sc->vcpu[vcpu]));
|
||||
}
|
||||
|
||||
static __inline struct vmcb *
|
||||
svm_get_vmcb(struct svm_softc *sc, int vcpu)
|
||||
{
|
||||
|
||||
return (&(sc->vcpu[vcpu].vmcb));
|
||||
}
|
||||
|
||||
static __inline struct vmcb_state *
|
||||
svm_get_vmcb_state(struct svm_softc *sc, int vcpu)
|
||||
{
|
||||
|
||||
return (&(sc->vcpu[vcpu].vmcb.state));
|
||||
}
|
||||
|
||||
static __inline struct vmcb_ctrl *
|
||||
svm_get_vmcb_ctrl(struct svm_softc *sc, int vcpu)
|
||||
{
|
||||
|
||||
return (&(sc->vcpu[vcpu].vmcb.ctrl));
|
||||
}
|
||||
|
||||
static __inline struct svm_regctx *
|
||||
svm_get_guest_regctx(struct svm_softc *sc, int vcpu)
|
||||
{
|
||||
|
||||
return (&(sc->vcpu[vcpu].swctx));
|
||||
}
|
||||
|
||||
void svm_dump_vmcb(struct svm_softc *svm_sc, int vcpu);
|
||||
#endif /* _SVM_SOFTC_H_ */
|
||||
@ -6,24 +6,22 @@
|
||||
* 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.
|
||||
* notice unmodified, 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
@ -38,6 +36,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/vmm.h>
|
||||
|
||||
#include "vmcb.h"
|
||||
#include "svm.h"
|
||||
|
||||
/*
|
||||
* The VMCB aka Virtual Machine Control Block is a 4KB aligned page
|
||||
|
||||
@ -6,22 +6,22 @@
|
||||
* 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.
|
||||
* notice unmodified, 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.
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
@ -29,14 +29,6 @@
|
||||
#ifndef _VMCB_H_
|
||||
#define _VMCB_H_
|
||||
|
||||
#ifndef BIT
|
||||
#define BIT(bitpos) (1UL << (bitpos))
|
||||
#endif
|
||||
|
||||
#ifndef ERR
|
||||
#define ERR(...)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Secure Virtual Machine: AMD64 Programmer's Manual Vol2, Chapter 15
|
||||
* Layout of VMCB: AMD64 Programmer's Manual Vol2, Appendix B
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user