{"id":121643,"date":"2025-02-01T21:46:15","date_gmt":"2025-02-01T19:46:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/nachalos-prodvizhenie-v-yadro-linux-drajvera-nova-dlya-gpu-nvidia"},"modified":"2025-02-01T21:46:15","modified_gmt":"2025-02-01T19:46:15","slug":"nachalos-prodvizhenie-v-yadro-linux-drajvera-nova-dlya-gpu-nvidia","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/nachalos-prodvizhenie-v-yadro-linux-drajvera-nova-dlya-gpu-nvidia","title":{"rendered":"Za\u010dalo prosazov\u00e1n\u00ed ovlada\u010de Nova pro GPU NVIDIA do j\u00e1dra Linuxu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

In\u017een\u00fd\u0159i spole\u010dnosti Red Hat navrhli zahrnut\u00ed prvn\u00ed sady patch\u016f pro implementaci ovlada\u010de Nova do j\u00e1dra Linuxu. Ovlada\u010d je ur\u010den pro pou\u017e\u00edv\u00e1n\u00ed s GPU NVIDIA vybaven\u00fdmi GSP firmwarem, kter\u00fd se pou\u017e\u00edv\u00e1 od s\u00e9rie NVIDIA GeForce RTX 2000 zalo\u017een\u00e9 na mikroarchitektu\u0159e Turing. V t\u011bchto GPU jsou inicializa\u010dn\u00ed a \u0159\u00eddic\u00ed operace realizov\u00e1ny ve firmwaru a prov\u00e1d\u011bny samostatn\u00fdm mikrokontrol\u00e9rem GSP (GPU System Processor). P\u0159edpokl\u00e1d\u00e1 se, \u017ee v dlouhodob\u00e9m horizontu Nova nahrad\u00ed ovlada\u010d Nouveau pro GPU s podporou GSP. <\/p>\n

Nov\u00fd ovlada\u010d je naps\u00e1n v jazyce Rust a proto\u017ee infrastruktura pro v\u00fdvoj ovlada\u010d\u016f v Rustu je zat\u00edm v po\u010d\u00e1tc\u00edch, t\u00fdm Nova pl\u00e1nuje postupn\u011b p\u0159en\u00e1\u0161et k\u00f3d do hlavn\u00ed v\u011btve j\u00e1dra, jakmile budou k dispozici pot\u0159ebn\u00e9 obalov\u00e9 vrstvy pro jazyk Rust. V prvn\u00edm kroku byl pro za\u010dlen\u011bn\u00ed do j\u00e1dra navr\u017een ovlada\u010d «nova-core», kter\u00fd se skl\u00e1d\u00e1 ze 232 \u0159\u00e1dk\u016f k\u00f3du. Nova-core implementuje z\u00e1kladn\u00ed \u00farove\u0148 abstrakc\u00ed nad programov\u00fdmi rozhran\u00edmi firmware GSP a poskytuje API, kter\u00e9 nen\u00ed z\u00e1visl\u00e9 na verz\u00edch firmware. <\/p>\n

V dal\u0161\u00ed f\u00e1zi pl\u00e1nuj\u00ed zahrnout do j\u00e1dra DRM ovlada\u010d nova-drm (Direct Rendering Manager) pro interakci s GPU z prostoru u\u017eivatele, stejn\u011b jako VFIO ovlada\u010d s mana\u017eerem vGPU, kter\u00fd umo\u017e\u0148uje pou\u017e\u00edvat virtu\u00e1ln\u00ed GPU NVIDIA v virtualiza\u010dn\u00edch syst\u00e9mech. <\/p>\n

Hlavn\u00edm d\u016fvodem prosazov\u00e1n\u00ed nov\u00e9ho ovlada\u010de Nova je mo\u017enost zbavit se komplikac\u00ed spojen\u00fdch s ovlada\u010dem Nouveau a dos\u00e1hnout v\u00fdrazn\u00e9ho zjednodu\u0161en\u00ed, d\u00edky zapojen\u00ed hotov\u00fdch zpracovatel\u016f poskytovan\u00fdch firmwarem GSP a vy\u0159azen\u00ed z\u00e1t\u011b\u017ee p\u0159i podpo\u0159e star\u0161\u00edch GPU. Nova tak\u00e9 umo\u017en\u00ed vy\u0159e\u0161it architektonick\u00e9 probl\u00e9my, kter\u00e9 v Nouveau vy\u017eaduj\u00ed podstatn\u00e9 p\u0159epracov\u00e1n\u00ed k\u00f3du, jako jsou probl\u00e9my se z\u00e1mky v k\u00f3du VMM\/MMU. Jazyk Rust byl vybr\u00e1n pro sn\u00ed\u017een\u00ed pravd\u011bpodobnosti chyb p\u0159i pr\u00e1ci s pam\u011bt\u00ed a tak\u00e9 jako mo\u017enost skloubit pr\u00e1ci na funk\u010dn\u00edm ovlada\u010di se vytv\u00e1\u0159en\u00edm ob\u00e1lek a abstrakc\u00ed pro v\u00fdvoj ovlada\u010d\u016f v Rustu.

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center> <\/p>\n

Pokud jde o pokrok v p\u0159id\u00e1v\u00e1n\u00ed mo\u017enost\u00ed pro v\u00fdvoj ovlada\u010d\u016f v jazyce Rust do j\u00e1dra Linux, ve verzi v\u011btve 6.14 byly p\u0159ijaty Rust-obaly pro PCI, platformy, Open Firmware, symbolick\u00e1 za\u0159\u00edzen\u00ed a n\u011bkter\u00e9 funkce vstupu\/v\u00fdstupu. Greg Kroah-Hartman, kter\u00fd m\u00e1 na starosti podporu stabiln\u00ed v\u011btve j\u00e1dra Linux, v pull requestu s aktualizacemi ovlada\u010d\u016f pro j\u00e1dro 6.14 charakterizoval aktu\u00e1ln\u00ed stav jako «skoro p\u0159ipraveno na psan\u00ed skute\u010dn\u00e9ho ovlada\u010de v Rustu».
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0418\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b\u0438 \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux \u043f\u0435\u0440\u0432\u044b\u0439 \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 Nova. \u0414\u0440\u0430\u0439\u0432\u0435\u0440 \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0441 GPU NVIDIA, \u043e\u0441\u043d\u0430\u0449\u0451\u043d\u043d\u044b\u043c\u0438 GSP-\u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0441\u0435\u0440\u0438\u0438 NVIDIA GeForce RTX 2000 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u0438\u043a\u0440\u043e\u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b Turing. \u0412 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 GPU \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u044b \u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0435 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442\u0441\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u043c \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u043c 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