{"id":35923,"date":"2023-07-14T16:00:54","date_gmt":"2023-07-14T08:00:54","guid":{"rendered":"http:\/\/stmu.1000uc.com\/mu\/?p=35923"},"modified":"2023-07-14T16:00:54","modified_gmt":"2023-07-14T08:00:54","slug":"%e5%a5%87%e8%bf%b9mu-%e8%99%9a%e6%8b%9f%e6%9c%ba%e7%b3%bb%e7%bb%9f%ef%bc%8c10320cpu%e6%b5%8b%e8%af%84","status":"publish","type":"post","link":"http:\/\/stmu.1000uc.com\/mu\/35923.html","title":{"rendered":"mu \u865a\u62df\u673a\u7cfb\u7edf\uff0c10320cpu\u6d4b\u8bc4"},"content":{"rendered":"

\u5927\u5bb6\u597d\uff0c\u5173\u4e8e\u5947\u8ff9mu \u865a\u62df\u673a\u7cfb\u7edf\u5f88\u591a\u670b\u53cb\u90fd\u8fd8\u4e0d\u592a\u660e\u767d\uff0c\u4e0d\u8fc7\u6ca1\u5173\u7cfb\uff0c\u56e0\u4e3a\u4eca\u5929\u5c0f\u7f16\u5c31\u6765\u4e3a\u5927\u5bb6\u5206\u4eab\u5173\u4e8e10320cpu\u6d4b\u8bc4\u7684\u77e5\u8bc6\u70b9\uff0c\u76f8\u4fe1\u5e94\u8be5\u53ef\u4ee5\u89e3\u51b3\u5927\u5bb6\u7684\u4e00\u4e9b\u56f0\u60d1\u548c\u95ee\u9898\uff0c\u5982\u679c\u78b0\u5de7\u53ef\u4ee5\u89e3\u51b3\u60a8\u7684\u95ee\u9898\uff0c\u8fd8\u671b\u5173\u6ce8\u4e0b\u672c\u7ad9\u54e6\uff0c\u5e0c\u671b\u5bf9\u5404\u4f4d\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

AMD\u5185\u6838\u652f\u6301\u865a\u62df\u673a\u4e48<\/h3>\n

\u652f\u6301\u3002<\/p>\n

amd\u4f7f\u7528\u7684\u662famd-v\u548camd_iommu\u6280\u672f\u652f\u6301\u7684\u865a\u62df\u5316\uff0c\u7528\u6cd5\u548cIntel\u6ca1\u6709\u533a\u522b\uff0c\u53ea\u662f\u5177\u4f53\u5b9e\u73b0\u4e0a\u7684\u5dee\u522b\uff0c\u5728\u7528\u6237\u6001\u53ef\u4ee5\u4f7f\u7528libvirt\u5e2e\u52a9\u9690\u85cf\u5e95\u5c42\u7684\u533a\u522b\u3002<\/p>\n

\u4e3b\u677f\u7684iommu\u662f\u4ec0\u4e48\u529f\u80fd<\/h3>\n

IOMMU(i\/omemorymanagementunit)\u3002iommu\u6709\u4e24\u5927\u529f\u80fd\uff1a\u63a7\u5236\u8bbe\u5907dma\u5730\u5740\u6620\u5c04\u5230\u673a\u5668\u7269\u7406\u5730\u5740\uff08dmar\uff09\uff0c\u4e2d\u65ad\u91cd\u6620\u5c04\uff08intremap\uff09\uff08\u53ef\u9009\uff09<\/p>\n

1.1dma\u5730\u5740\u7a7a\u95f4\u6620\u5c04<\/p>\n

Iommu\u7684\u4e3b\u8981\u529f\u80fd\u4e3a\u8bbe\u5907dma\u65f6\u523b\u80fd\u591f\u8bbf\u95ee\u673a\u5668\u7684\u7269\u7406\u5185\u5b58\u533a\uff0c\u540c\u65f6\u4fdd\u8bc1\u5b89\u5168\u6027\u3002<\/p>\n

\u5728\u6ca1\u6709Iommu\u7684\u65f6\u5019\uff0c\u8bbe\u5907\u901a\u8fc7dma\u53ef\u4ee5\u8bbf\u95ee\u5230\u673a\u5668\u7684\u5168\u90e8\u7684\u5730\u5740\u7a7a\u95f4\u3002<\/p>\n

1\u3001\u8fd9\u79cd\u673a\u5236\u4e0b\u5982\u679c\u5c06\u8bbe\u5907\u7684\u9a71\u52a8\u653e\u5728\u7528\u6237\u6001\uff0c\u90a3\u4e48\u5982\u4f55\u4fdd\u62a4\u673a\u5668\u7269\u7406\u5185\u5b58\u533a\u5bf9\u4e8e\u7528\u6237\u6001\u9a71\u52a8\u6846\u67b6\u8bbe\u8ba1\u5e26\u6765\u6311\u6218\u3002\u5f53\u51fa\u73b0\u4e86iommu\u4ee5\u540e\uff0ciommu\u901a\u8fc7\u63a7\u5236\u6bcf\u4e2a\u8bbe\u5907dma\u5730\u5740\u5230\u5b9e\u9645\u7269\u7406\u5730\u5740\u7684\u6620\u5c04\u8f6c\u6362\uff0c\u4f7f\u5f97\u5728\u4e00\u5b9a\u7684\u5185\u6838\u9a71\u52a8\u6846\u67b6\u4e0b\uff0c\u7528\u6237\u6001\u9a71\u52a8\u80fd\u80fd\u591f\u5b8c\u5168\u64cd\u4f5c\u67d0\u4e2a\u8bbe\u5907dma\u548c\u4e2d\u65ad\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n

2\u3001\u5982\u679c\u5c06\u8fd9\u4e2a\u7269\u7406\u8bbe\u5907\u901a\u8fc7\u900f\u4f20\u7684\u65b9\u5f0f\u8fdb\u5165\u5230\u865a\u62df\u5316\u865a\u62df\u673a\u91cc\uff0c\u865a\u62df\u673a\u7684\u8bbe\u5907\u9a71\u52a8\u914d\u7f6e\u8bbe\u5907\u7684dma\u540e\uff0chypervisor\u5fc5\u987b\u5728\u900f\u4f20\u8bbe\u5907dma\u8bbf\u95ee\u65f6\u523b\uff0c\u5bf9dma\u8bbf\u95ee\u8fdb\u884c\u622a\u83b7\uff0c\u5c06\u5176\u4e2ddma\u8bbf\u95ee\u7684\u865a\u62df\u673a\u7269\u7406\u5730\u5740\uff0c\u8f6c\u6362\u4e3ahypervisor\u4e3a\u865a\u62df\u673a\u5206\u914d\u7684\u7269\u7406\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u9700\u8981\u5c06\u865a\u62df\u673a\u900f\u4f20\u8bbe\u5907dma\u8bbf\u95ee\u505avpaddr(\u865a\u62df\u673a\u7269\u7406\u5730\u5740)—->ppaddr\uff08\u7269\u7406\u673a\u7269\u7406\u5730\u5740\uff09\u3002\u8fd9\u90e8\u5206\u622a\u83b7\u5bf9\u865a\u62df\u673adma\u6765\u8bf4\u5e26\u6765\u5207\u6362\u5230hypervisor\u5f00\u9500\uff0chypervisor\u8f6c\u6362\u5730\u5740\u5f00\u9500\u3002<\/p>\n

\u5f53\u5f15\u5165\u4e86iommu\u4ee5\u540e\uff0c\u8fd9\u90e8\u5206\u5f00\u9500\u7531iommu\u786c\u4ef6\u627f\u62c5\uff0c\u6240\u6709hypervisor\u5de5\u4f5c\u5c31\u66f4\u52a0\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5c06\u900f\u4f20\u8bbe\u5907Iommudma\u5730\u5740\u6620\u5c04\u8868\u4f7f\u7528vpaddr—>ppaddr\u5730\u5740\u8f6c\u6362\u8868\u5373\u53ef\uff08\u8fd9\u90e8\u5206\u8868\u5728hypervisor\u91cc\u914d\u7f6e\u5728ept\u4e2d\uff09<\/p>\n

3\u3001\u65b9\u4fbf\u4e86\u8001\u5f0f32\u4f4dpci\u786c\u4ef6\u572864\u4f4d\u673a\u5668\u4e0a\u7684\u4f7f\u7528\u3002\u53ea\u9700\u8981\u5728iommu\u5730\u5740\u6620\u5c04\u8868\u4e0a\u914d\u7f6e32bitpci\u8bbe\u5907dma\u5730\u5740–>64\u4f4d\u673a\u5668\u7269\u7406\u5730\u5740\u5373\u53ef\u3002<\/p>\n

4\u3001\u65b9\u4fbf\u4e86\u4e3b\u673aos\u914d\u7f6e\u8bbe\u5907dma\u5de5\u4f5c\uff0c\u56e0\u4e3adma\u8981\u6c42\u4f7f\u7528\u8fde\u7eed\u7684\u5730\u5740\u7a7a\u95f4\u8fdb\u884c\u8bfb\u5199\uff0c\u6709\u4e86iommu\u7684\u5b58\u5728os\u5c31\u53ef\u4ee5\u4e3a\u8bbe\u5907\u914d\u7f6e\u8fde\u7eed\u7684dma\u5730\u5740\u800c\u771f\u6b63\u5bf9\u5e94\u7684\u975e\u8fde\u7eed\u7684\u7269\u7406\u5730\u5740<\/p>\n

win10\u81ea\u5e26\u865a\u62df\u673a\u4e0evmware15\u6bd4\u8f83<\/h3>\n

\u6027\u80fd\u65b9\u9762\uff1a<\/p>\n

Hyper-V\uff0cvmware\u5168\u7cfb\u5217\uff0clinux\u7684kvm\uff0c\u90fd\u662f\u7528\u7684\u865a\u62df\u673a\u6269\u5c55\u6307\u4ee4\u96c6\u5b9e\u73b0\u7684\uff0c\u786c\u4ef6\u865a\u62df\u5316\uff0c\u6027\u80fd\u90fd\u4e0d\u9519\uff0c\u865a\u62df\u673a\u6027\u80fd\u201c\u7406\u8bba\u4e0a\u201d\u548c\u7269\u7406\u673a\u4e00\u6837\u3002<\/p>\n

\u4f46\u662f\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u865a\u62df\u673a\u7684cpu\u6027\u80fd\u4e0a\u53bb\u4e86\uff0c\u5176\u4ed6\u786c\u4ef6\u6027\u80fd\u8fd8\u662f\u6ca1\u53d8\u3002\u6bd5\u7adf\u4e00\u53f0\u673a\u5668\u9664\u4e86cpu\u4ee5\u5916\uff0c\u81f3\u5c11\u8fd8\u6709\u786c\u76d8\uff0c\u7f51\u5361\uff0c\u663e\u5361\u3002\u9488\u5bf9\u8fd9\u4e2a\u95ee\u9898\u51fa\u73b0\u4e86\u5404\u79cd\u786c\u4ef6\u534a\u865a\u62df\u5316\uff0c\u4ee5\u53ca\u57fa\u4e8eiommu\u7684\u786c\u4ef6\u76f4\u901a\u3002<\/p>\n

\u6240\u4ee5\u6700\u5f71\u54cd\u865a\u62df\u673a\u6027\u80fd\u7684\u662f\u534a\u865a\u62df\u5316\/\u76f4\u901a\u7684\u6548\u679c\u3002<\/p>\n

\u5728\u8fd9\u65b9\u9762\uff0c<\/p>\n

vmware\u5168\u7cfb\u5217\u8fd0\u884c\u5168\u7cfb\u5217\u64cd\u4f5c\u7cfb\u7edf\u7684\u611f\u89c9\u90fd\u5728\u4e2d\u95f4\u504f\u4e0a\u6c34\u5e73\u3002<\/p>\n

10320cpu\u6d4b\u8bc4<\/h3>\n

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amd-v\u600e\u4e48\u542f\u7528<\/h3>\n

\u8981\u542f\u7528AMD-V\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u60a8\u7684CPU\u652f\u6301AMD\u865a\u62df\u5316\u6280\u672f\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u9700\u8981\u8fdb\u5165BIOS\u8bbe\u7f6e\u5e76\u542f\u7528AMD\u865a\u62df\u5316\u9009\u9879\u3002BIOS\u8bbe\u7f6e\u7684\u65b9\u5f0f\u56e0\u8ba1\u7b97\u673a\u54c1\u724c\u548c\u578b\u53f7\u800c\u5f02\uff0c\u53ef\u4ee5\u53c2\u8003\u76f8\u5173\u624b\u518c\u6216\u8005\u5728\u7f51\u4e0a\u641c\u7d22\u54c1\u724c\u548c\u578b\u53f7\u7684BIOS\u8bbe\u7f6e\u65b9\u6cd5\u3002<\/p>\n

\u542f\u7528AMD-V\u4e4b\u540e\uff0c\u60a8\u53ef\u4ee5\u5728\u652f\u6301\u865a\u62df\u5316\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u865a\u62df\u673a\uff0c\u63d0\u9ad8\u8ba1\u7b97\u673a\u591a\u4efb\u52a1\u5904\u7406\u80fd\u529b\u3002<\/p>\n

OK\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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