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Wed, 22 Sep 2021 05:13:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WJQddEH4552e for ; Wed, 22 Sep 2021 05:13:15 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by smtp2.osuosl.org (Postfix) with ESMTPS id 9718C40245 for ; Wed, 22 Sep 2021 05:13:15 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10114"; a="287187660" X-IronPort-AV: E=Sophos;i="5.85,312,1624345200"; d="scan'208";a="287187660" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Sep 2021 22:13:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,312,1624345200"; d="scan'208";a="550107703" Received: from otc-wp-03.jf.intel.com ([10.54.39.79]) by FMSMGA003.fm.intel.com with ESMTP; 21 Sep 2021 22:13:14 -0700 From: Jacob Pan To: iommu@lists.linux-foundation.org, LKML , Joerg Roedel , Jason Gunthorpe , "Christoph Hellwig" Subject: [RFC 7/7] dma/idxd: Use dma-iommu PASID API instead of SVA lib Date: Tue, 21 Sep 2021 13:29:41 -0700 Message-Id: <1632256181-36071-8-git-send-email-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1632256181-36071-1-git-send-email-jacob.jun.pan@linux.intel.com> References: <1632256181-36071-1-git-send-email-jacob.jun.pan@linux.intel.com> MIME-Version: 1.0 Cc: "Tian, Kevin" , Tony Luck , Dave Jiang , Raj Ashok , "Kumar, Sanjay K" , mike.campin@intel.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" U2hvd2Nhc2UgYSBwYXJ0aWFsIHVzYWdlIG9mIHRoZSBuZXcgUEFTSUQgRE1BIEFQSSwgaXQgcmVw bGFjZXMgU1ZBCmxpYsKgQVBJIGluIHRlcm1zIG9mIG9idGFpbmluZyBzeXN0ZW3CoFBBU0lEIGFu ZCBhZGRyZXNzaW5nIG1vZGUgc2V0dXAuCkJ1dCB0aGUgYWN0dWFsIHdvcmsgc3VibWlzc2lvbiBp cyBub3QgaW5jbHVkZWQuCgpTaWduZWQtb2ZmLWJ5OiBKYWNvYiBQYW4gPGphY29iLmp1bi5wYW5A bGludXguaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZG1hL2lkeGQvaWR4ZC5oIHwgIDQgKysrLQog ZHJpdmVycy9kbWEvaWR4ZC9pbml0LmMgfCAzNiArKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0t LS0tLS0tLS0KIDIgZmlsZXMgY2hhbmdlZCwgMTkgaW5zZXJ0aW9ucygrKSwgMjEgZGVsZXRpb25z KC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEvaWR4ZC9pZHhkLmggYi9kcml2ZXJzL2RtYS9p ZHhkL2lkeGQuaAppbmRleCA1MDdmNWQ1MTE5ZjkuLmVhZWRhZjNjM2UzYiAxMDA2NDQKLS0tIGEv ZHJpdmVycy9kbWEvaWR4ZC9pZHhkLmgKKysrIGIvZHJpdmVycy9kbWEvaWR4ZC9pZHhkLmgKQEAg LTEyLDYgKzEyLDcgQEAKICNpbmNsdWRlIDxsaW51eC9wY2kuaD4KICNpbmNsdWRlIDxsaW51eC9w ZXJmX2V2ZW50Lmg+CiAjaW5jbHVkZSA8bGludXgvaWR4ZC5oPgorI2luY2x1ZGUgPGxpbnV4L2Rt YS1pb21tdS5oPgogI2luY2x1ZGUgInJlZ2lzdGVycy5oIgogCiAjZGVmaW5lIElEWERfRFJJVkVS X1ZFUlNJT04JIjEuMDAiCkBAIC0yNTMsNyArMjU0LDggQEAgc3RydWN0IGlkeGRfZGV2aWNlIHsK IAogCXN0cnVjdCBpb21tdV9zdmEgKnN2YTsKIAl1bnNpZ25lZCBpbnQgcGFzaWQ7Ci0KKwllbnVt IGlvbW11X2RtYV9wYXNpZF9tb2RlIHNwYXNpZF9tb2RlOworCXN0cnVjdCBpb21tdV9kb21haW4g KmRvbWFpbjsgLyogRm9yIEtWQSBtYXBwaW5nICovCiAJaW50IG51bV9ncm91cHM7CiAKIAl1MzIg bXNpeF9wZXJtX29mZnNldDsKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZG1hL2lkeGQvaW5pdC5jIGIv ZHJpdmVycy9kbWEvaWR4ZC9pbml0LmMKaW5kZXggYzQwNGExMzIwNTM2Li44Zjk1MmE0Yzg5MDkg MTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZG1hL2lkeGQvaW5pdC5jCisrKyBiL2RyaXZlcnMvZG1hL2lk eGQvaW5pdC5jCkBAIC0xNiw2ICsxNiw3IEBACiAjaW5jbHVkZSA8bGludXgvaWRyLmg+CiAjaW5j bHVkZSA8bGludXgvaW50ZWwtc3ZtLmg+CiAjaW5jbHVkZSA8bGludXgvaW9tbXUuaD4KKyNpbmNs dWRlIDxsaW51eC9kbWEtaW9tbXUuaD4KICNpbmNsdWRlIDx1YXBpL2xpbnV4L2lkeGQuaD4KICNp bmNsdWRlIDxsaW51eC9kbWFlbmdpbmUuaD4KICNpbmNsdWRlICIuLi9kbWFlbmdpbmUuaCIKQEAg LTMyLDYgKzMzLDExIEBAIHN0YXRpYyBib29sIHN2YSA9IHRydWU7CiBtb2R1bGVfcGFyYW0oc3Zh LCBib29sLCAwNjQ0KTsKIE1PRFVMRV9QQVJNX0RFU0Moc3ZhLCAiVG9nZ2xlIFNWQSBzdXBwb3J0 IG9uL29mZiIpOwogCitzdGF0aWMgaW50IHNwYXNpZF9tb2RlID0gSU9NTVVfRE1BX1BBU0lEX0lP VkE7Cittb2R1bGVfcGFyYW0oc3Bhc2lkX21vZGUsIGludCwgMDY0NCk7CitNT0RVTEVfUEFSTV9E RVNDKHNwYXNpZF9tb2RlLAorCQkgIlN1cGVydmlzb3IgUEFTSUQgbW9kZSAoMTogcGFzcy10aHJv dWdoLDI6IERNQSBBUEkpIik7CisKICNkZWZpbmUgRFJWX05BTUUgImlkeGQiCiAKIGJvb2wgc3Vw cG9ydF9lbnFjbWQ7CkBAIC01MTksMzUgKzUyNSwyNSBAQCBzdGF0aWMgc3RydWN0IGlkeGRfZGV2 aWNlICppZHhkX2FsbG9jKHN0cnVjdCBwY2lfZGV2ICpwZGV2LCBzdHJ1Y3QgaWR4ZF9kcml2ZXJf ZAogCiBzdGF0aWMgaW50IGlkeGRfZW5hYmxlX3N5c3RlbV9wYXNpZChzdHJ1Y3QgaWR4ZF9kZXZp Y2UgKmlkeGQpCiB7Ci0JaW50IGZsYWdzOwotCXVuc2lnbmVkIGludCBwYXNpZDsKLQlzdHJ1Y3Qg aW9tbXVfc3ZhICpzdmE7Ci0KLQlmbGFncyA9IFNWTV9GTEFHX1NVUEVSVklTT1JfTU9ERTsKLQot CXN2YSA9IGlvbW11X3N2YV9iaW5kX2RldmljZSgmaWR4ZC0+cGRldi0+ZGV2LCBOVUxMLCAmZmxh Z3MpOwotCWlmIChJU19FUlIoc3ZhKSkgewotCQlkZXZfd2FybigmaWR4ZC0+cGRldi0+ZGV2LAot CQkJICJpb21tdSBzdmEgYmluZCBmYWlsZWQ6ICVsZFxuIiwgUFRSX0VSUihzdmEpKTsKLQkJcmV0 dXJuIFBUUl9FUlIoc3ZhKTsKLQl9CisJaW50IHBhc2lkOworCXN0cnVjdCBpb21tdV9kb21haW4g KmRvbWFpbiA9IE5VTEw7CiAKLQlwYXNpZCA9IGlvbW11X3N2YV9nZXRfcGFzaWQoc3ZhKTsKLQlp ZiAocGFzaWQgPT0gSU9NTVVfUEFTSURfSU5WQUxJRCkgewotCQlpb21tdV9zdmFfdW5iaW5kX2Rl dmljZShzdmEpOworCXBhc2lkID0gaW9tbXVfZG1hX3Bhc2lkX2VuYWJsZSgmaWR4ZC0+cGRldi0+ ZGV2LCAmZG9tYWluLCBzcGFzaWRfbW9kZSk7CisJaWYgKHBhc2lkID09IElOVkFMSURfSU9BU0lE KSB7CisJCWRldl9lcnIoJmlkeGQtPnBkZXYtPmRldiwgIk5vIERNQSBQQVNJRCBpbiBtb2RlICVk XG4iLCBzcGFzaWRfbW9kZSk7CiAJCXJldHVybiAtRU5PREVWOwogCX0KLQotCWlkeGQtPnN2YSA9 IHN2YTsKIAlpZHhkLT5wYXNpZCA9IHBhc2lkOwotCWRldl9kYmcoJmlkeGQtPnBkZXYtPmRldiwg InN5c3RlbSBwYXNpZDogJXVcbiIsIHBhc2lkKTsKKwlpZHhkLT5zcGFzaWRfbW9kZSA9IHNwYXNp ZF9tb2RlOworCWlkeGQtPmRvbWFpbiA9IGRvbWFpbjsKKwogCXJldHVybiAwOwogfQogCiBzdGF0 aWMgdm9pZCBpZHhkX2Rpc2FibGVfc3lzdGVtX3Bhc2lkKHN0cnVjdCBpZHhkX2RldmljZSAqaWR4 ZCkKIHsKLQotCWlvbW11X3N2YV91bmJpbmRfZGV2aWNlKGlkeGQtPnN2YSk7CisJLyogVE9ETzog cmVtb3ZlIHN2YSwgcmVzdG9yZSBubyBQQVNJRCBQVCBhbmQgUEFTSURFICovCisJaW9tbXVfZG1h X3Bhc2lkX2Rpc2FibGUoJmlkeGQtPnBkZXYtPmRldiwgaWR4ZC0+ZG9tYWluKTsKIAlpZHhkLT5z dmEgPSBOVUxMOwogfQogCi0tIAoyLjI1LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1m b3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9s aXN0aW5mby9pb21tdQ==