{"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\/news\/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>La compagnia Microsoft ha annunciato l'apertura del codice sorgente dello strato per la paravirtualizzazione OpenHCL e del monitor delle macchine virtuali OpenVMM, sviluppato specificamente per l'organizzazione del lavoro di OpenHCL. Il codice di OpenVMM e OpenHCL \u00e8 scritto in Rust e distribuito sotto licenza MIT. OpenVMM \u00e8 un hypervisor di secondo livello che opera in un unico anello di protezione con il kernel del sistema operativo, analogamente 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 dai sistemi operativi.     <\/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 paravirtualizzazione basato su driver Virtio (virtio-fs, virtio-9p, virtio-net, virtio-pmem);\n<li class=\"l\">  Supporto per paravirtualizzazione basato 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 forwarding di grafica, dispositivi di input, console, archiviazione e accesso di rete;\n<li class=\"l\"> Gestione tramite interfaccia a riga di comando, console interattiva, gRPC e ttrpc.  <\/ul>\n<p>OpenHCL \u00e8 posizionato come un ambiente con componenti di paravirtualizzazione (paravirt), che opera sopra l'hypervisor OpenVMM. Una caratteristica chiave dei sistemi di virtualizzazione basati su OpenVMM e OpenHCL \u00e8 che i componenti di paravirtualizzazione vengono eseguiti non sul lato del sistema host, ma in una singola macchina virtuale insieme al sistema guest. L'isolamento dello strato di paravirtualizzazione dal sistema operativo guest \u00e8 garantito dalle capacit\u00e0 dell'hypervisor di secondo livello OpenVMM. In questo contesto, OpenHCL pu\u00f2 essere considerato come un firmware virtuale, eseguito a un livello di privilegio superiore rispetto al sistema operativo eseguito nell'ambiente guest.            <\/p>\n<p> La separazione tra il sistema guest e i componenti di OpenHCL avviene utilizzando il concetto di livelli di fiducia virtuali (VTL, Virtual Trust Level), per la realizzazione 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 di OpenHCL viene utilizzata una versione ridotta del kernel Linux, comprendente 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 funzionare su piattaforme x86-64 e ARM64 e supporta le estensioni Intel TDX, AMD SEV-SNP e ARM CCA per un'ulteriore 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 essere emulato un chip per la memorizzazione delle chiavi crittografiche \u2014 vTPM).     <\/p>\n<p>Per la traduzione dell'accesso all'hardware sul lato del sistema ospite, vengono utilizzati driver esistenti con supporto per la paravirtualizzazione o pu\u00f2 essere effettuato il collegamento diretto dei dispositivi alla macchina virtuale, il che consente di trasferire nel contesto basato su OpenHCL sistemi operativi esistenti senza apportare modifiche. Inoltre, OpenHCL include componenti per la diagnostica e il debug <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/vps\/\"   title=\"macchine virtuali\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2180\">macchine virtuali<\/a>, eseguiti utilizzando estensioni per garantire calcoli riservati.    <\/p>\n<p>A differenza del progetto open source gi\u00e0 esistente COCONUT-SVSM (Secure VM Service Module), che fornisce servizi e dispositivi emulati per sistemi ospiti, eseguiti 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, Macchina Virtuale Riservata), OpenHCL consente di utilizzare interfacce standard nei sistemi ospiti, mentre COCONUT-SVSM richiede l'organizzazione di un'interazione speciale con SVSM, apportando modifiche al sistema ospite e utilizzando driver separati.      <\/p>\n<p>Tra le applicazioni del paravirtualizzatore OpenHCL si citano scenari come la migrazione di sistemi esistenti all'uso di acceleratori hardware Azure Boost senza la necessit\u00e0 di apportare modifiche all'immagine disco del sistema ospite; l'esecuzione di sistemi ospiti esistenti in macchine virtuali che offrono calcoli riservati (ad esempio basati su Intel TDX e AMD SEV-SNP); organizzazione del boot verificato delle macchine virtuali, utilizzando la modalit\u00e0 UEFI Secure Boot e vTPM.    <\/p>\n<p>Si segnala che il progetto OpenVMM \u00e8 focalizzato sull'uso di OpenHCL e non \u00e8 ancora pronto per essere utilizzato autonomamente su sistemi host per implementazioni operative 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 menzionano: documentazione insufficiente dell'interfaccia di gestione; mancanza di ottimizzazione delle prestazioni dei backend per archiviazione, rete e grafica; assenza di supporto per alcuni driver (ad esempio, dischi IDE e mouse PS\/2); nessuna garanzia di stabilit\u00e0 dell'API e funzionalit\u00e0. Tuttavia, l'integrazione di OpenVMM e OpenHCL ha gi\u00e0 raggiunto un livello di implementazione industriale ed \u00e8 impiegata da Microsoft nella piattaforma Azure (SKU Azure Boost) per gestire 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-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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 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paravirtualizzazione OpenHCL e del monitor delle macchine virtuali OpenVMM, sviluppato appositamente per organizzare il funzionamento di OpenHCL.","canonical_url":"https:\/\/prohoster.info\/it\/blog\/news\/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 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