{"id":105081,"date":"2022-09-13T09:36:41","date_gmt":"2022-09-13T07:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/wd-razrabatyvaet-nvme-drajver-na-yazyke-rust-eksperimenty-s-rust-vo-freebsd"},"modified":"2022-09-13T09:36:41","modified_gmt":"2022-09-13T07:36:42","slug":"wd-razrabatyvaet-nvme-drajver-na-yazyke-rust-eksperimenty-s-rust-vo-freebsd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/wd-razrabatyvaet-nvme-drajver-na-yazyke-rust-eksperimenty-s-rust-vo-freebsd","title":{"rendered":"A WD NVMe-meghajt\u00f3t fejleszt a Rust nyelven. K\u00eds\u00e9rletek a Rust-tal FreeBSD alatt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A jelenleg zajl\u00f3 Linux Plumbers 2022 konferenci\u00e1n a Western Digital m\u00e9rn\u00f6ke el\u0151ad\u00e1st tartott egy k\u00eds\u00e9rleti meghajt\u00f3r\u00f3l, amely SSD-meghajt\u00f3kkal m\u0171k\u00f6dik NVM-Express (NVMe) interf\u00e9szen, Rust nyelven \u00edr\u00f3dott, \u00e9s a Linux kernel szintj\u00e9n m\u0171k\u00f6dik. B\u00e1r a projekt m\u00e9g korai fejleszt\u00e9si szakaszban van, a v\u00e9gzett tesztel\u00e9sek azt mutatt\u00e1k, hogy a Rust nyelv\u0171 NVMe-meghajt\u00f3 teljes\u00edtm\u00e9nye megfelel a C nyelven k\u00e9sz\u00fclt NVMe-meghajt\u00f3 teljes\u00edtm\u00e9ny\u00e9nek a kernelben.

\"A<\/center>
\"A<\/center> <\/p>\n

Az el\u0151ad\u00e1sban elhangzott, hogy a jelenlegi NVMe-meghajt\u00f3, amely C nyelven k\u00e9sz\u00fclt, teljes m\u00e9rt\u00e9kben kiel\u00e9g\u00edti a fejleszt\u0151k ig\u00e9nyeit, de az NVMe alrendszer j\u00f3 helysz\u00ednt biztos\u00edt Rust nyelven \u00edrt meghajt\u00f3k fejleszt\u00e9s\u00e9nek megalapozotts\u00e1g\u00e1nak vizsg\u00e1lat\u00e1ra, mivel viszonylag egyszer\u0171, sz\u00e9les k\u00f6rben haszn\u00e1lt, magas teljes\u00edtm\u00e9nyt k\u00f6vetel, bev\u00e1lt benchmark implement\u00e1ci\u00f3val rendelkezik a \u00f6sszehasonl\u00edt\u00e1shoz \u00e9s t\u00e1mogat k\u00fcl\u00f6nb\u00f6z\u0151 interf\u00e9szeket (dev, pci, dma, blk-mq, gendisk, sysfs). <\/p>\n

Megjegyezt\u00e9k, hogy a PCI NVMe meghajt\u00f3 Rust nyelven m\u00e1r biztos\u00edtja a m\u0171k\u00f6d\u00e9shez sz\u00fcks\u00e9ges funkcionalit\u00e1st, de m\u00e9g nem k\u00e9sz\u00fclt el sz\u00e9lesk\u00f6r\u0171 haszn\u00e1latra, mivel tov\u00e1bbi finom\u00edt\u00e1sokat ig\u00e9nyel. A j\u00f6v\u0151beli tervek k\u00f6z\u00f6tt szerepel a k\u00f3d biztons\u00e1gi blokkjainak elt\u00fcntet\u00e9se, az eszk\u00f6z elt\u00e1vol\u00edt\u00e1si m\u0171veletek \u00e9s a meghajt\u00f3 kirakod\u00e1s\u00e1nak t\u00e1mogat\u00e1sa, a sysfs interf\u00e9sz t\u00e1mogat\u00e1sa, a k\u00e9sleltetett inicializ\u00e1l\u00e1s megval\u00f3s\u00edt\u00e1sa, a blk-mq meghajt\u00f3 l\u00e9trehoz\u00e1sa \u00e9s k\u00eds\u00e9rletek v\u00e9gz\u00e9se az aszinkron programoz\u00e1si modellel a queue_rq eset\u00e9ben.

\r\n \"Vide\u00f3\r\n
<\/div>\r\n <\/div> <\/center> <\/p>\n

Tov\u00e1bb\u00e1 megemelhet\u0151, hogy az NCC Group k\u00eds\u00e9rleteket v\u00e9gez a Rust nyelven \u00edrt meghajt\u00f3k fejleszt\u00e9s\u00e9vel a FreeBSD kernelhez. P\u00e9ldak\u00e9nt r\u00e9szletesen ismertetik egy egyszer\u0171 echo-meghajt\u00f3 m\u0171k\u00f6d\u00e9s\u00e9t, amely visszaadja a \/dev\/rustmodule f\u00e1jlba \u00edrt adatokat. A k\u00eds\u00e9rletek k\u00f6vetkez\u0151 szakasz\u00e1ban az NCC Group fontol\u00f3ra veszi a kernel alapvet\u0151 \u00f6sszetev\u0151inek Rust nyelven val\u00f3 \u00e1t\u00edr\u00e1s\u00e1t a h\u00e1l\u00f3zati \u00e9s f\u00e1jlm\u0171veletek biztons\u00e1g\u00e1nak n\u00f6vel\u00e9se \u00e9rdek\u00e9ben. <\/p>\n

Ennek ellen\u00e9re, noha bemutatt\u00e1k a Rust nyelven egyszer\u0171 modulok k\u00e9sz\u00edt\u00e9s\u00e9nek lehet\u0151s\u00e9g\u00e9t, a Rust szorosabb integr\u00e1ci\u00f3ja a FreeBSD kernelbe tov\u00e1bbi munk\u00e1t ig\u00e9nyel. P\u00e9ld\u00e1ul eml\u00edt\u00e9st nyert, hogy sz\u00fcks\u00e9g van egy absztrakci\u00f3s r\u00e9tegk\u00e9szlet l\u00e9trehoz\u00e1s\u00e1ra a kernel alrendszerei \u00e9s strukt\u00far\u00e1i felett, hasonl\u00f3an a Rust for Linux projekt \u00e1ltal k\u00e9sz\u00edtett kiterjeszt\u00e9sekhez. A j\u00f6v\u0151ben hasonl\u00f3 k\u00eds\u00e9rleteket terveznek az Illumos kernel\u00e9vel, \u00e9s azokat az \u00e1ltal\u00e1nos Rust absztrakci\u00f3kat kiemelni, amelyeket Rust nyelven \u00edrt illeszt\u0151programok haszn\u00e1lhatnak Linux, BSD \u00e9s Illumos rendszerekhez. <\/p>\n

A Microsoft \u00e9s a Google adatai szerint a programjaikban el\u0151fordul\u00f3 biztons\u00e1gi r\u00e9sek k\u00f6r\u00fclbel\u00fcl 70%-a a mem\u00f3riakezel\u00e9s nem biztons\u00e1gos m\u00f3dj\u00e1b\u00f3l ered. Felt\u00e9telezhet\u0151, hogy a Rust nyelv haszn\u00e1lata cs\u00f6kkentheti a mem\u00f3riakezel\u00e9ssel \u00f6sszef\u00fcgg\u0151 biztons\u00e1gi r\u00e9sek kock\u00e1zat\u00e1t, \u00e9s kik\u00fcsz\u00f6b\u00f6li az olyan hib\u00e1k el\u0151fordul\u00e1s\u00e1t, mint a mem\u00f3ria felszabad\u00edt\u00e1sa ut\u00e1ni hozz\u00e1f\u00e9r\u00e9s \u00e9s a puffert\u00fall\u00e9p\u00e9s. <\/p>\n

A mem\u00f3ria biztons\u00e1gos kezel\u00e9se a Rust nyelvben a ford\u00edt\u00e1s sor\u00e1n a hivatkoz\u00e1sok ellen\u0151rz\u00e9s\u00e9vel, az objektumok tulajdonl\u00e1s\u00e1nak nyomon k\u00f6vet\u00e9s\u00e9vel, valamint az objektumok \u00e9lettartam\u00e1nak (l\u00e1that\u00f3s\u00e1g\u00e1nak) figyelembev\u00e9tel\u00e9vel t\u00f6rt\u00e9nik, tov\u00e1bb\u00e1 a mem\u00f3ri\u00e1hoz val\u00f3 hozz\u00e1f\u00e9r\u00e9s helyess\u00e9g\u00e9nek \u00e9rt\u00e9kel\u00e9s\u00e9vel a k\u00f3d futtat\u00e1sa alatt. A Rust eszk\u00f6z\u00f6ket is biztos\u00edt a eg\u00e9sz sz\u00e1mok t\u00falfut\u00e1s\u00e1nak v\u00e9delm\u00e9re, k\u00f6telez\u0151v\u00e9 teszi a v\u00e1ltoz\u00f3k \u00e9rt\u00e9keinek inicializ\u00e1l\u00e1s\u00e1t haszn\u00e1lat el\u0151tt, jobban kezeli a hib\u00e1kat a standard k\u00f6nyvt\u00e1rban, alkalmazza az immutable (v\u00e1ltozhatatlan) hivatkoz\u00e1sok \u00e9s v\u00e1ltoz\u00f3k fogalm\u00e1t alap\u00e9rtelmez\u00e9s szerint, valamint er\u0151s statikus t\u00edpust k\u00edn\u00e1l a logikai hib\u00e1k minimaliz\u00e1l\u00e1s\u00e1ra.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0432 \u044d\u0442\u0438 \u0434\u043d\u0438 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Linux Plumbers 2022 \u0438\u043d\u0436\u0435\u043d\u0435\u0440 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Western Digital \u0432\u044b\u0441\u0442\u0443\u043f\u0438\u043b \u0441 \u0434\u043e\u043a\u043b\u0430\u0434\u043e\u043c \u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u0434\u043b\u044f SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0441 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c NVM-Express (NVMe), \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0433\u043e \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u044f\u0434\u0440\u0430 Linux. \u041d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0442\u043e, \u0447\u0442\u043e \u043f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u043a\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 \u0440\u0430\u043d\u043d\u0435\u043c \u044d\u0442\u0430\u043f\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u044f, \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u043e\u0435 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u043a\u0430\u0437\u0430\u043b\u043e, \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c NVMe-\u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u043d\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105082,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A WD Rust nyelven fejleszt NVMe illeszt\u0151programot. K\u00eds\u00e9rletek a Rust-tal a FreeBSD-ben | ProHoster","description":"A most zajl\u00f3 Linux Plumbers 2022 konferenci\u00e1n a Western Digital m\u00e9rn\u00f6ke el\u0151ad\u00e1st tartott egy k\u00eds\u00e9rleti illeszt\u0151program fejleszt\u00e9s\u00e9r\u0151l NVMe interf\u00e9szes SSD meghajt\u00f3khoz.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/wd-razrabatyvaet-nvme-drajver-na-yazyke-rust-eksperimenty-s-rust-vo-freebsd","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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\udd47WD \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 NVMe-\u0434\u0440\u0430\u0439\u0432\u0435\u0440 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u042d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u044b \u0441 Rust \u0432\u043e FreeBSD | ProHoster","og:description":"\u041d\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0432 \u044d\u0442\u0438 \u0434\u043d\u0438 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Linux Plumbers 2022 \u0438\u043d\u0436\u0435\u043d\u0435\u0440 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Western Digital \u0432\u044b\u0441\u0442\u0443\u043f\u0438\u043b \u0441 \u0434\u043e\u043a\u043b\u0430\u0434\u043e\u043c \u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u0434\u043b\u044f SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0441 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c NVM-Express (NVMe).","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/wd-razrabatyvaet-nvme-drajver-na-yazyke-rust-eksperimenty-s-rust-vo-freebsd","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2022-09-13T07:36:42+00:00","article:modified_time":"2022-09-13T07:36:42+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/105081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=105081"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/105081\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media\/105082"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=105081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=105081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=105081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}