From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH v5 3/7] xen/9pfs: introduce Xen 9pfs transport driver Date: Mon, 20 Mar 2017 10:59:44 -0700 Message-ID: <1490032788-23471-3-git-send-email-sstabellini@kernel.org> References: <1490032788-23471-1-git-send-email-sstabellini@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cq1b5-0003Ne-32 for xen-devel@lists.xenproject.org; Mon, 20 Mar 2017 17:59:59 +0000 In-Reply-To: <1490032788-23471-1-git-send-email-sstabellini@kernel.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: jgross@suse.com, Latchesar Ionkov , sstabellini@kernel.org, Eric Van Hensbergen , groug@kaod.org, Stefano Stabellini , v9fs-developer@lists.sourceforge.net, Ron Minnich List-Id: xen-devel@lists.xenproject.org SW50cm9kdWNlIHRoZSBYZW4gOXBmcyB0cmFuc3BvcnQgZHJpdmVyOiBhZGQgc3RydWN0IHhlbmJ1 c19kcml2ZXIgdG8KcmVnaXN0ZXIgYXMgYSB4ZW5idXMgZHJpdmVyIGFuZCBhZGQgc3RydWN0IHA5 X3RyYW5zX21vZHVsZSB0byByZWdpc3RlcgphcyB2OWZzIGRyaXZlci4KCkFsbCBmdW5jdGlvbnMg YXJlIGVtcHR5IHN0dWJzIGZvciBub3cuCgpTaWduZWQtb2ZmLWJ5OiBTdGVmYW5vIFN0YWJlbGxp bmkgPHN0ZWZhbm9AYXBvcmV0by5jb20+ClJldmlld2VkLWJ5OiBCb3JpcyBPc3Ryb3Zza3kgPGJv cmlzLm9zdHJvdnNreUBvcmFjbGUuY29tPgpDQzogZ3JvdWdAa2FvZC5vcmcKQ0M6IGpncm9zc0Bz dXNlLmNvbQpDQzogRXJpYyBWYW4gSGVuc2JlcmdlbiA8ZXJpY3ZoQGdtYWlsLmNvbT4KQ0M6IFJv biBNaW5uaWNoIDxybWlubmljaEBzYW5kaWEuZ292PgpDQzogTGF0Y2hlc2FyIElvbmtvdiA8bHVj aG9AaW9ua292Lm5ldD4KQ0M6IHY5ZnMtZGV2ZWxvcGVyQGxpc3RzLnNvdXJjZWZvcmdlLm5ldAot LS0KIG5ldC85cC90cmFuc194ZW4uYyB8IDEyNSArKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5nZWQsIDEyNSBpbnNlcnRpb25z KCspCiBjcmVhdGUgbW9kZSAxMDA2NDQgbmV0LzlwL3RyYW5zX3hlbi5jCgpkaWZmIC0tZ2l0IGEv bmV0LzlwL3RyYW5zX3hlbi5jIGIvbmV0LzlwL3RyYW5zX3hlbi5jCm5ldyBmaWxlIG1vZGUgMTAw NjQ0CmluZGV4IDAwMDAwMDAuLjNkMDcyNjAKLS0tIC9kZXYvbnVsbAorKysgYi9uZXQvOXAvdHJh bnNfeGVuLmMKQEAgLTAsMCArMSwxMjUgQEAKKy8qCisgKiBsaW51eC9mcy85cC90cmFuc194ZW4K KyAqCisgKiBYZW4gdHJhbnNwb3J0IGxheWVyLgorICoKKyAqIENvcHlyaWdodCAoQykgMjAxNyBi eSBTdGVmYW5vIFN0YWJlbGxpbmkgPHN0ZWZhbm9AYXBvcmV0by5jb20+CisgKgorICogVGhpcyBw cm9ncmFtIGlzIGZyZWUgc29mdHdhcmU7IHlvdSBjYW4gcmVkaXN0cmlidXRlIGl0IGFuZC9vcgor ICogbW9kaWZ5IGl0IHVuZGVyIHRoZSB0ZXJtcyBvZiB0aGUgR05VIEdlbmVyYWwgUHVibGljIExp Y2Vuc2UgdmVyc2lvbiAyCisgKiBhcyBwdWJsaXNoZWQgYnkgdGhlIEZyZWUgU29mdHdhcmUgRm91 bmRhdGlvbjsgb3IsIHdoZW4gZGlzdHJpYnV0ZWQKKyAqIHNlcGFyYXRlbHkgZnJvbSB0aGUgTGlu dXgga2VybmVsIG9yIGluY29ycG9yYXRlZCBpbnRvIG90aGVyCisgKiBzb2Z0d2FyZSBwYWNrYWdl cywgc3ViamVjdCB0byB0aGUgZm9sbG93aW5nIGxpY2Vuc2U6CisgKgorICogUGVybWlzc2lvbiBp cyBoZXJlYnkgZ3JhbnRlZCwgZnJlZSBvZiBjaGFyZ2UsIHRvIGFueSBwZXJzb24gb2J0YWluaW5n IGEgY29weQorICogb2YgdGhpcyBzb3VyY2UgZmlsZSAodGhlICJTb2Z0d2FyZSIpLCB0byBkZWFs IGluIHRoZSBTb2Z0d2FyZSB3aXRob3V0CisgKiByZXN0cmljdGlvbiwgaW5jbHVkaW5nIHdpdGhv dXQgbGltaXRhdGlvbiB0aGUgcmlnaHRzIHRvIHVzZSwgY29weSwgbW9kaWZ5LAorICogbWVyZ2Us IHB1Ymxpc2gsIGRpc3RyaWJ1dGUsIHN1YmxpY2Vuc2UsIGFuZC9vciBzZWxsIGNvcGllcyBvZiB0 aGUgU29mdHdhcmUsCisgKiBhbmQgdG8gcGVybWl0IHBlcnNvbnMgdG8gd2hvbSB0aGUgU29mdHdh cmUgaXMgZnVybmlzaGVkIHRvIGRvIHNvLCBzdWJqZWN0IHRvCisgKiB0aGUgZm9sbG93aW5nIGNv bmRpdGlvbnM6CisgKgorICogVGhlIGFib3ZlIGNvcHlyaWdodCBub3RpY2UgYW5kIHRoaXMgcGVy bWlzc2lvbiBub3RpY2Ugc2hhbGwgYmUgaW5jbHVkZWQgaW4KKyAqIGFsbCBjb3BpZXMgb3Igc3Vi c3RhbnRpYWwgcG9ydGlvbnMgb2YgdGhlIFNvZnR3YXJlLgorICoKKyAqIFRIRSBTT0ZUV0FSRSBJ UyBQUk9WSURFRCAiQVMgSVMiLCBXSVRIT1VUIFdBUlJBTlRZIE9GIEFOWSBLSU5ELCBFWFBSRVNT IE9SCisgKiBJTVBMSUVELCBJTkNMVURJTkcgQlVUIE5PVCBMSU1JVEVEIFRPIFRIRSBXQVJSQU5U SUVTIE9GIE1FUkNIQU5UQUJJTElUWSwKKyAqIEZJVE5FU1MgRk9SIEEgUEFSVElDVUxBUiBQVVJQ T1NFIEFORCBOT05JTkZSSU5HRU1FTlQuIElOIE5PIEVWRU5UIFNIQUxMIFRIRQorICogQVVUSE9S UyBPUiBDT1BZUklHSFQgSE9MREVSUyBCRSBMSUFCTEUgRk9SIEFOWSBDTEFJTSwgREFNQUdFUyBP UiBPVEhFUgorICogTElBQklMSVRZLCBXSEVUSEVSIElOIEFOIEFDVElPTiBPRiBDT05UUkFDVCwg VE9SVCBPUiBPVEhFUldJU0UsIEFSSVNJTkcKKyAqIEZST00sIE9VVCBPRiBPUiBJTiBDT05ORUNU SU9OIFdJVEggVEhFIFNPRlRXQVJFIE9SIFRIRSBVU0UgT1IgT1RIRVIgREVBTElOR1MKKyAqIElO IFRIRSBTT0ZUV0FSRS4KKyAqLworCisjaW5jbHVkZSA8eGVuL2V2ZW50cy5oPgorI2luY2x1ZGUg PHhlbi9ncmFudF90YWJsZS5oPgorI2luY2x1ZGUgPHhlbi94ZW4uaD4KKyNpbmNsdWRlIDx4ZW4v eGVuYnVzLmg+CisjaW5jbHVkZSA8eGVuL2ludGVyZmFjZS9pby85cGZzLmg+CisKKyNpbmNsdWRl IDxsaW51eC9tb2R1bGUuaD4KKyNpbmNsdWRlIDxuZXQvOXAvOXAuaD4KKyNpbmNsdWRlIDxuZXQv OXAvY2xpZW50Lmg+CisjaW5jbHVkZSA8bmV0LzlwL3RyYW5zcG9ydC5oPgorCitzdGF0aWMgaW50 IHA5X3hlbl9jYW5jZWwoc3RydWN0IHA5X2NsaWVudCAqY2xpZW50LCBzdHJ1Y3QgcDlfcmVxX3Qg KnJlcSkKK3sKKwlyZXR1cm4gMDsKK30KKworc3RhdGljIGludCBwOV94ZW5fY3JlYXRlKHN0cnVj dCBwOV9jbGllbnQgKmNsaWVudCwgY29uc3QgY2hhciAqYWRkciwgY2hhciAqYXJncykKK3sKKwly ZXR1cm4gMDsKK30KKworc3RhdGljIHZvaWQgcDlfeGVuX2Nsb3NlKHN0cnVjdCBwOV9jbGllbnQg KmNsaWVudCkKK3sKK30KKworc3RhdGljIGludCBwOV94ZW5fcmVxdWVzdChzdHJ1Y3QgcDlfY2xp ZW50ICpjbGllbnQsIHN0cnVjdCBwOV9yZXFfdCAqcDlfcmVxKQoreworCXJldHVybiAwOworfQor CitzdGF0aWMgc3RydWN0IHA5X3RyYW5zX21vZHVsZSBwOV94ZW5fdHJhbnMgPSB7CisJLm5hbWUg PSAieGVuIiwKKwkubWF4c2l6ZSA9IDEgPDwgKFhFTl85UEZTX1JJTkdfT1JERVIgKyBYRU5fUEFH RV9TSElGVCksCisJLmRlZiA9IDEsCisJLmNyZWF0ZSA9IHA5X3hlbl9jcmVhdGUsCisJLmNsb3Nl ID0gcDlfeGVuX2Nsb3NlLAorCS5yZXF1ZXN0ID0gcDlfeGVuX3JlcXVlc3QsCisJLmNhbmNlbCA9 IHA5X3hlbl9jYW5jZWwsCisJLm93bmVyID0gVEhJU19NT0RVTEUsCit9OworCitzdGF0aWMgY29u c3Qgc3RydWN0IHhlbmJ1c19kZXZpY2VfaWQgeGVuXzlwZnNfZnJvbnRfaWRzW10gPSB7CisJeyAi OXBmcyIgfSwKKwl7ICIiIH0KK307CisKK3N0YXRpYyBpbnQgeGVuXzlwZnNfZnJvbnRfcmVtb3Zl KHN0cnVjdCB4ZW5idXNfZGV2aWNlICpkZXYpCit7CisJcmV0dXJuIDA7Cit9CisKK3N0YXRpYyBp bnQgeGVuXzlwZnNfZnJvbnRfcHJvYmUoc3RydWN0IHhlbmJ1c19kZXZpY2UgKmRldiwKKwkJCQlj b25zdCBzdHJ1Y3QgeGVuYnVzX2RldmljZV9pZCAqaWQpCit7CisJcmV0dXJuIDA7Cit9CisKK3N0 YXRpYyBpbnQgeGVuXzlwZnNfZnJvbnRfcmVzdW1lKHN0cnVjdCB4ZW5idXNfZGV2aWNlICpkZXYp Cit7CisJcmV0dXJuIDA7Cit9CisKK3N0YXRpYyB2b2lkIHhlbl85cGZzX2Zyb250X2NoYW5nZWQo c3RydWN0IHhlbmJ1c19kZXZpY2UgKmRldiwKKwkJCQkgICBlbnVtIHhlbmJ1c19zdGF0ZSBiYWNr ZW5kX3N0YXRlKQoreworfQorCitzdGF0aWMgc3RydWN0IHhlbmJ1c19kcml2ZXIgeGVuXzlwZnNf ZnJvbnRfZHJpdmVyID0geworCS5pZHMgPSB4ZW5fOXBmc19mcm9udF9pZHMsCisJLnByb2JlID0g eGVuXzlwZnNfZnJvbnRfcHJvYmUsCisJLnJlbW92ZSA9IHhlbl85cGZzX2Zyb250X3JlbW92ZSwK KwkucmVzdW1lID0geGVuXzlwZnNfZnJvbnRfcmVzdW1lLAorCS5vdGhlcmVuZF9jaGFuZ2VkID0g eGVuXzlwZnNfZnJvbnRfY2hhbmdlZCwKK307CisKK2ludCBwOV90cmFuc194ZW5faW5pdCh2b2lk KQoreworCWlmICgheGVuX2RvbWFpbigpKQorCQlyZXR1cm4gLUVOT0RFVjsKKworCXByX2luZm8o IkluaXRpYWxpc2luZyBYZW4gdHJhbnNwb3J0IGZvciA5cGZzXG4iKTsKKworCXY5ZnNfcmVnaXN0 ZXJfdHJhbnMoJnA5X3hlbl90cmFucyk7CisJcmV0dXJuIHhlbmJ1c19yZWdpc3Rlcl9mcm9udGVu ZCgmeGVuXzlwZnNfZnJvbnRfZHJpdmVyKTsKK30KK21vZHVsZV9pbml0KHA5X3RyYW5zX3hlbl9p bml0KTsKKwordm9pZCBwOV90cmFuc194ZW5fZXhpdCh2b2lkKQoreworCXY5ZnNfdW5yZWdpc3Rl cl90cmFucygmcDlfeGVuX3RyYW5zKTsKKwlyZXR1cm4geGVuYnVzX3VucmVnaXN0ZXJfZHJpdmVy KCZ4ZW5fOXBmc19mcm9udF9kcml2ZXIpOworfQorbW9kdWxlX2V4aXQocDlfdHJhbnNfeGVuX2V4 aXQpOwotLSAKMS45LjEKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0 dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK