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\u8be5\u667a\u80fd\u5de5\u5177\u7531 RISC-V \u56fd\u9645\u57fa\u91d1\u4f1a\u4e0e SiFive\u3001StarFive \u7b49\u5382\u5546\u8054\u5408\u63a8\u51fa\uff0c\u5b98\u65b9\u547d\u540d\u4e3a\u300cRISC-V Storage Adapter Kit (RSAK)\u300d\u3002\u5b83\u662f\u4e00\u5957\u5b8c\u6574\u7684\u786c\u4ef6\u62bd\u8c61\u5c42\uff08HAL\uff09\u4e0e\u9a71\u52a8\u4e2d\u95f4\u4ef6\uff0c\u4e13\u95e8\u7528\u4e8e\u5c06\u901a\u7528 PCIe \u63a7\u5236\u5668 IP \u4e0e NVMe \u534f\u8bae\u6808\u8fdb\u884c\u6865\u63a5\u3002\u5de5\u5177\u63d0\u4f9b\u5bc4\u5b58\u5668\u7ea7\u914d\u7f6e\u6a21\u677f\u3001DMA \u5f15\u64ce\u9002\u914d\u6a21\u5757\u4ee5\u53ca\u4e2d\u65ad\u7ba1\u7406\u4f18\u5316\u4f8b\u7a0b\uff0c\u5927\u5e45\u964d\u4f4e\u5f00\u53d1\u8005\u4ece x86\/ARM \u8fc1\u79fb\u81f3 RISC-V \u7684\u95e8\u69db\u3002\u5b98\u65b9\u7f51\u7ad9\u94fe\u63a5\uff1a\u5b98\u65b9\u7f51\u7ad9<\/a>\u3002<\/p>\n \u5de5\u5177\u76f4\u63a5\u6620\u5c04 RISC-V \u7684 Supervisor \u6a21\u5f0f\u548c\u7269\u7406\u5185\u5b58\u4fdd\u62a4\uff08PMP\uff09\u673a\u5236\uff0c\u786e\u4fdd NVMe \u547d\u4ee4\u961f\u5217\u4e0e MSI-X \u4e2d\u65ad\u5728\u975e x86 \u73af\u5883\u4e0b\u6b63\u786e\u8fd0\u884c\u3002\u901a\u8fc7\u81ea\u52a8\u751f\u6210\u8bbe\u5907\u6811\uff08Device Tree\uff09\u7247\u6bb5\uff0c\u5f00\u53d1\u8005\u65e0\u9700\u624b\u52a8\u914d\u7f6e PCIe \u603b\u7ebf\u8d44\u6e90\u3002<\/p>\n \u5185\u7f6e\u81ea\u9002\u5e94\u961f\u5217\u6df1\u5ea6\u8c03\u8282\u5668\u548c\u539f\u5b50\u64cd\u4f5c\u52a0\u901f\u5668\uff0c\u9488\u5bf9 NVMe \u7684\u8f6e\u8be2\u6a21\u5f0f\u4e0e\u4e2d\u65ad\u6a21\u5f0f\u8fdb\u884c\u52a8\u6001\u5207\u6362\u3002\u5728 64 \u4f4d RISC-V \u5185\u6838\u4e0a\u5b9e\u6d4b\uff0c4K \u968f\u673a\u8bfb\u53d6 IOPS \u8fbe\u5230 580K\uff08\u57fa\u4e8e QEMU \u6a21\u62df\uff09\uff0c\u63a5\u8fd1\u540c\u7b49 ARM \u5e73\u53f0\u6c34\u5e73\u3002<\/p>\n RISC-V \u5728 IoT \u548c\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u5feb\u901f\u589e\u957f\uff0cRSAK \u4f7f\u4f4e\u529f\u8017 SoC \u53ef\u76f4\u63a5\u6302\u8f7d NVMe SSD\uff0c\u6ee1\u8db3\u8fb9\u7f18 AI \u63a8\u7406\u7684\u5b9e\u65f6\u6570\u636e\u541e\u5410\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u67d0\u667a\u6167\u5de5\u5382\u65b9\u6848\u4e2d\uff0cRISC-V \u63a7\u5236\u5668\u901a\u8fc7 PCIe \u8fde\u63a5 1TB NVMe \u76d8\uff0c\u5b9e\u73b0\u65e5\u5fd7\u8bb0\u5f55\u5ef6\u8fdf\u4f4e\u4e8e 50\u03bcs\u3002<\/p>\n OpenPOWER \u548c RISC-V \u8054\u5408\u5b9e\u9a8c\u5ba4\u5df2\u57fa\u4e8e\u8be5\u5de5\u5177\u6784\u5efa\u539f\u578b\u670d\u52a1\u5668\uff0c\u7528\u4e8e Ceph \u5206\u5e03\u5f0f\u5b58\u50a8\u96c6\u7fa4\u3002\u901a\u8fc7\u6807\u51c6\u5316 PCIe \u679a\u4e3e\u4e0e ARI \u80fd\u529b\uff0c\u591a\u5757 NVMe \u76d8\u53ef\u5728 RISC-V \u5e73\u53f0\u65e0\u51b2\u7a81\u5de5\u4f5c\uff0c\u6539\u5199\u5b58\u50a8\u6210\u672c\u7ed3\u6784\u3002<\/p>\n \u5f00\u53d1\u8005\u53ef\u4ece \u5b98\u65b9\u7f51\u7ad9<\/a> \u4e0b\u8f7d\u6700\u65b0\u5de5\u5177\u5305\u3002\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a1) \u914d\u7f6e PCIe RC \u63a7\u5236\u5668\u57fa\u5730\u5740\u4e0e BAR \u7a97\u53e3\uff1b2) \u5bfc\u5165 NVMe \u9a71\u52a8\u793a\u4f8b\u4ee3\u7801\uff1b3) \u8fd0\u884c\u81ea\u52a8\u5316\u9002\u914d\u811a\u672c\u751f\u6210\u8bbe\u5907\u6811\u8986\u76d6 (DTBO)\uff1b4) \u7f16\u8bd1\u5e76\u70e7\u5f55 RISC-V \u56fa\u4ef6\u3002\u5de5\u5177\u9644\u5e26 QEMU \u6a21\u62df\u73af\u5883\uff0c\u652f\u6301\u65e0\u786c\u4ef6\u6761\u4ef6\u4e0b\u7684\u539f\u578b\u9a8c\u8bc1\u3002<\/p>\n \u3010\u6807\u9898\u3011RISC-V \u57fa\u91d1\u4f1a\u53d1\u5e03 2025 \u5b58\u50a8\u9002\u914d\u8def\u7ebf\u56fe\uff0cPCIe 5.0 \u652f\u6301\u5df2\u542f\u52a8<\/strong> \u8fd1\u65e5\uff0cRISC-V \u56fd\u9645\u57fa\u91d1\u4f1a\u53d1\u5e03\u6700\u65b0\u6280\u672f\u89c4\u8303\uff0c\u52a0\u901f\u4e86\u5f00\u653e\u6307\u4ee4\u96c6\u67b6\u6784\u5728\u5b58\u50a8\u9886\u57df\u7684\u843d\u5730\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u4e1a\u754c\u9996\u6b3e\u9762\u5411 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[21121,21120,20932,21122,21123],"class_list":["post-17760","post","type-post","status-publish","format-standard","hentry","category-4","tag-nvme","tag-pcie","tag-risc-v","tag-21122","tag-21123"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17760"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17760\/revisions"}],"predecessor-version":[{"id":17761,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/17760\/revisions\/17761"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u529f\u80fd\u4e0e\u4f18\u52bf<\/h2>\n
\u539f\u751f\u652f\u6301 RISC-V \u7279\u6743\u67b6\u6784<\/h3>\n
\u6027\u80fd\u4f18\u5316\u5f15\u64ce<\/h3>\n
\n
\u5e94\u7528\u573a\u666f<\/h2>\n
\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u5d4c\u5165\u5f0f\u5b58\u50a8<\/h3>\n
\u5f00\u6e90\u4e91\u8ba1\u7b97\u8282\u70b9<\/h3>\n
\u5982\u4f55\u4f7f\u7528<\/h2>\n
\u6700\u65b0\u52a8\u6001<\/h2>\n
\u3010\u5206\u7c7b\u3011\u79d1\u6280<\/strong>
\u3010\u6b63\u6587\u3011<\/strong> RISC-V \u56fd\u9645\u57fa\u91d1\u4f1a\u4e8e\u672c\u6708\u5ba3\u5e03\u6b63\u5f0f\u542f\u52a8 PCIe 5.0 \u63a7\u5236\u5668\u4e0e NVMe 2.0 \u534f\u8bae\u6808\u7684\u8054\u5408\u9002\u914d\u9879\u76ee\uff0c\u9996\u6279\u7845\u9a8c\u8bc1\u82af\u7247\u9884\u8ba1\u660e\u5e74\u6d41\u7247\u3002\u8be5\u9879\u76ee\u7531\u963f\u91cc\u5e73\u5934\u54e5\u3001SiFive \u53ca Google \u5171\u540c\u53c2\u4e0e\uff0c\u5c06\u5b9e\u73b0\u5355\u82af\u7247\u652f\u6301 16 \u6761 PCIe 5.0 \u901a\u9053\uff0c\u76ee\u6807\u662f\u5728 RISC-V \u5e73\u53f0\u4e0a\u5b9e\u73b0 14GB\/s \u987a\u5e8f\u8bfb\u53d6\u6027\u80fd\u3002\u4e1a\u754c\u5206\u6790\u8ba4\u4e3a\uff0c\u8fd9\u6807\u5fd7\u7740 RISC-V \u6b63\u5f0f\u8fdb\u5165\u4f01\u4e1a\u7ea7\u5b58\u50a8\u6838\u5fc3\u9886\u57df\uff0c\u6709\u671b\u6253\u7834 x86 \u5728\u6570\u636e\u4e2d\u5fc3\u5b58\u50a8\u63a7\u5236\u5668\u65b9\u9762\u7684\u5784\u65ad\u3002
\u3010\u6765\u6e90\u3011<\/strong> https:\/\/riscv.org\/blog\/2025\/04\/storage-roadmap\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"