{"id":120219,"date":"2024-10-18T13:09:06","date_gmt":"2024-10-18T11:09:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/microsoft-otkryl-kod-gipervizora-openvmm-i-platformy-paravirtualizaczii-openhcl"},"modified":"2024-10-18T13:09:06","modified_gmt":"2024-10-18T11:09:11","slug":"microsoft-otkryl-kod-gipervizora-openvmm-i-platformy-paravirtualizaczii-openhcl","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/microsoft-otkryl-kod-gipervizora-openvmm-i-platformy-paravirtualizaczii-openhcl","title":{"rendered":"Microsoft ha aperto il codice del hypervisor OpenVMM e della piattaforma di paravirtualizzazione OpenHCL.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Microsoft ha annunciato l'apertura del codice sorgente del layer per la para-virtualizzazione OpenHCL e del monitor delle macchine virtuali OpenVMM, sviluppato specificamente per facilitare il funzionamento di OpenHCL. Il codice di OpenVMM e OpenHCL \u00e8 scritto in Rust e viene distribuito sotto licenza MIT. OpenVMM \u00e8 un hypervisor di secondo livello che opera nello stesso ring di protezione del kernel del sistema operativo, similmente a prodotti come VirtualBox e VMware Workstation. Supporta l'operativit\u00e0 su sistemi host basati su Linux (x86_64), Windows (x86_64, Aarch64) e macOS (x86_64, Aarch64), utilizzando le API di virtualizzazione KVM, SHV (Microsoft Hypervisor), WHP (Windows Hypervisor Platform) e Hypervisor.framework fornite da questi OS.     <\/p>\n<p>Tra le funzionalit\u00e0 supportate in OpenVMM:   <\/p>\n<ul>\n<li class=\"l\"> Avvio in modalit\u00e0 UEFI e BIOS, avvio diretto del kernel Linux;\n<li class=\"l\"> Supporto per para-virtualizzazione basata su driver Virtio (virtio-fs, virtio-9p, virtio-net, virtio-pmem);\n<li class=\"l\">  Supporto per para-virtualizzazione basata su VMBus (storvsp, netvsp, vpci, framebuffer);\n<li class=\"l\"> Emulazione di vTPM, NVMe, UART, chipset i440BX + PIIX4, IDE HDD, PCI e VGA;\n<li class=\"l\"> Backend per il pass-through di grafica, dispositivi di input, console, storage e accesso di rete;\n<li class=\"l\"> Gestione tramite interfaccia a linea di comando, console interattiva, gRPC e ttrpc.  <\/ul>\n<p>OpenHCL \u00e8 posizionato come un ambiente con componenti di paravirtualizzazione (hypervisor), che opera sopra l'hypervisor OpenVMM. Una caratteristica chiave dei sistemi di virtualizzazione basati su OpenVMM e OpenHCL \u00e8 che i componenti per la paravirtualizzazione vengono eseguiti non sul lato del sistema host, ma all'interno di una macchina virtuale insieme al sistema guest. L'isolamento dello strato di paravirtualizzazione dal sistema operativo guest \u00e8 garantito dalle funzionalit\u00e0 dell'hypervisor di secondo livello OpenVMM. In questa applicazione, OpenHCL pu\u00f2 essere considerato come un firmware virtuale che opera a un livello di privilegi superiore rispetto al sistema operativo in esecuzione nell'ambiente guest.            <\/p>\n<p> La separazione del sistema guest e dei componenti OpenHCL avviene utilizzando il concetto di livelli di fiducia virtuali (VTL, Virtual Trust Level), per l'implementazione dei quali possono essere utilizzati sia meccanismi software che tecnologie hardware, come Intel TDX (Trust Domain Extensions), AMD SEV-SNP (Secure Encrypted Virtualization-Secure Nested Paging) e ARM CCA (Confidential Compute Architecture). Per l'esecuzione dei componenti OpenHCL viene utilizzata una build ridotta del kernel Linux, contenente solo i componenti minimi necessari per il funzionamento di OpenVMM.    <center><img decoding=\"async\" alt=\"Microsoft ha aperto il codice del hypervisor OpenVMM e della piattaforma di paravirtualizzazione OpenHCL.\" src=\"\/wp-content\/uploads\/2024\/10\/e998f3109604aad0946a76e3fc7d5233.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>OpenHCL pu\u00f2 operare su piattaforme x86-64 e ARM64 e supporta le estensioni Intel TDX, AMD SEV-SNP e ARM CCA per una maggiore isolamento. OpenHCL include un insieme di servizi, driver ed emulatori utilizzati per gestire l'accesso all'hardware, garantire il funzionamento dei dispositivi virtuali sul lato del sistema ospite e emulare dispositivi hardware (ad esempio, pu\u00f2 emulare un chip per la memorizzazione delle chiavi crittografiche \u2014 vTPM).     <\/p>\n<p>Per la trasmissione dell'accesso all'hardware del sistema ospite, vengono utilizzati driver esistenti con supporto per la paravirtualizzazione o pu\u00f2 essere effettuato un collegamento diretto dei dispositivi alla macchina virtuale, consentendo il trasferimento di sistemi operativi esistenti in un ambiente basato su OpenHCL senza modifiche. Inoltre, OpenHCL include componenti per la diagnostica e il debug. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/vps\/\"   title=\"di macchine virtuali\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2180\">di macchine virtuali<\/a>, eseguiti utilizzando estensioni per garantire calcoli riservati.    <\/p>\n<p>A differenza del progetto open source esistente COCONUT-SVSM (Secure VM Service Module), che fornisce servizi e dispositivi emulati per sistemi ospiti operanti in modalit\u00e0 riservata, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/vps\/abuzoustojchivye-vps\/\"   title=\"macchine virtuali\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4290\">macchine virtuali<\/a> (CVM, Confidential Virtual Machine), OpenHCL permette l'uso di interfacce standard nei sistemi ospiti, mentre COCONUT-SVSM richiede l'organizzazione di interazioni speciali con SVSM, modifiche nel sistema ospite e l'uso di driver separati.      <\/p>\n<p>Tra le applicazioni del paraviso OpenHCL si segnalano scenari come la migrazione di sistemi esistenti all'utilizzo di acceleratori hardware Azure Boost senza la necessit\u00e0 di modificare l'immagine disco del sistema operativo guest; l'esecuzione di sistemi guest esistenti in macchine virtuali che garantiscono calcoli riservati (ad esempio, basate su Intel TDX e AMD SEV-SNP); l'organizzazione di un avvio verificato delle macchine virtuali, utilizzando la modalit\u00e0 UEFI Secure Boot e vTPM.    <\/p>\n<p>\u00c8 importante notare che il progetto OpenVMM \u00e8 focalizzato sull'uso di OpenHCL e attualmente non \u00e8 pronto per una applicazione autonoma nei sistemi host per implementazioni da parte degli utenti finali. Tra i problemi di OpenVMM che ostacolano il suo utilizzo in ambienti host nel contesto tradizionale, al di fuori dell'integrazione con OpenHCL, si segnalano: documentazione scarsa dell'interfaccia di gestione; assenza di ottimizzazione adeguata delle prestazioni dei backend per archiviazione, rete e grafica; mancanza di supporto per alcuni driver (ad esempio, dischi IDE e mouse PS\/2); nessuna garanzia di stabilit\u00e0 dell'API e della funzionalit\u00e0. Tuttavia, l'integrazione di OpenVMM con OpenHCL ha gi\u00e0 raggiunto un livello di implementazione industriale ed \u00e8 utilizzata da Microsoft nella piattaforma Azure (Azure Boost SKU) per garantire il funzionamento di oltre 1,5 milioni di macchine virtuali.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62070\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u0441\u043b\u043e\u044f \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 OpenHCL \u0438 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0430 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d OpenVMM, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b OpenHCL. \u041a\u043e\u0434 OpenVMM \u0438 OpenHCL \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. OpenVMM \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430\u043c \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u043c \u0432 \u043e\u0434\u043d\u043e\u043c \u043a\u043e\u043b\u044c\u0446\u0435 \u0437\u0430\u0449\u0438\u0442\u044b \u0441 \u044f\u0434\u0440\u043e\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0441 \u0442\u0430\u043a\u0438\u043c\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":120220,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120219","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u0441\u043b\u043e\u044f \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 OpenHCL \u0438 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0430 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d OpenVMM, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b OpenHCL. \u041a\u043e\u0434 OpenVMM \u0438 OpenHCL \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. 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OpenVMM \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430\u043c \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u043c \u0432 \u043e\u0434\u043d\u043e\u043c \u043a\u043e\u043b\u044c\u0446\u0435 \u0437\u0430\u0449\u0438\u0442\u044b \u0441 \u044f\u0434\u0440\u043e\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0441 \u0442\u0430\u043a\u0438\u043c\u0438\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/microsoft-otkryl-kod-gipervizora-openvmm-i-platformy-paravirtualizaczii-openhcl\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-10-18T11:09:11+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-10-18T11:09:11+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47 Microsoft ha aperto il codice dell'hypervisor OpenVMM e della piattaforma di para-virtualizzazione OpenHCL | ProHoster","description":"Microsoft ha annunciato l'apertura del codice sorgente per il layer di para-virtualizzazione OpenHCL e il monitor delle macchine virtuali OpenVMM, sviluppato specificamente per ottimizzare il funzionamento di OpenHCL. Il codice di OpenVMM e OpenHCL \u00e8 scritto in Rust e distribuito con licenza MIT. OpenVMM \u00e8 un hypervisor di secondo livello, operativo nello stesso livello di protezione del kernel del sistema operativo, simile a quelli","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/microsoft-otkryl-kod-gipervizora-openvmm-i-platformy-paravirtualizaczii-openhcl","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Microsoft \u043e\u0442\u043a\u0440\u044b\u043b \u043a\u043e\u0434 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 OpenVMM \u0438 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u043f\u0430\u0440\u0430\u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 OpenHCL | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u0441\u043b\u043e\u044f \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 OpenHCL \u0438 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0430 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d OpenVMM, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b OpenHCL. \u041a\u043e\u0434 OpenVMM \u0438 OpenHCL \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. 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