From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH v2 2/4] 9pfs: introduce transport specific callbacks Date: Mon, 28 Nov 2016 13:27:22 -0800 Message-ID: <1480368444-4310-2-git-send-email-sstabellini@kernel.org> References: <1480368444-4310-1-git-send-email-sstabellini@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1480368444-4310-1-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: aneesh.kumar@linux.vnet.ibm.com Cc: xen-devel@lists.xensource.com, anthony.perard@citrix.com, sstabellini@kernel.org, groug@kaod.org, qemu-devel@nongnu.org List-Id: xen-devel@lists.xenproject.org RG9uJ3QgY2FsbCB2aXJ0aW8gZnVuY3Rpb25zIGZyb20gOXBmcyBnZW5lcmljIGNvZGUsIHVzZSBn ZW5lcmljIGZ1bmN0aW9uCmNhbGxiYWNrcyBpbnN0ZWFkLgoKU2lnbmVkLW9mZi1ieTogU3RlZmFu byBTdGFiZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPgoKLS0tCkNoYW5nZXMgaW4gdjI6 Ci0gY29uc3RpZnkgdmlydGlvXzlwX3RyYW5zcG9ydCBhbmQgVjlmc1RyYW5zcG9ydAotIGFzc2Vy dCAhcy0+dHJhbnNwb3J0LgotIGNvZGUgc3R5bGUKLS0tCiBody85cGZzLzlwLmMgICAgICAgICAg ICAgICB8ICA4ICsrKystLS0tCiBody85cGZzLzlwLmggICAgICAgICAgICAgICB8IDE5ICsrKysr KysrKysrKysrKysrKysKIGh3LzlwZnMvdmlydGlvLTlwLWRldmljZS5jIHwgMjQgKysrKysrKysr KysrKysrKystLS0tLS0tCiBody85cGZzL3ZpcnRpby05cC5oICAgICAgICB8ICA5IC0tLS0tLS0t LQogNCBmaWxlcyBjaGFuZ2VkLCA0MCBpbnNlcnRpb25zKCspLCAyMCBkZWxldGlvbnMoLSkKCmRp ZmYgLS1naXQgYS9ody85cGZzLzlwLmMgYi9ody85cGZzLzlwLmMKaW5kZXggMDVlOTUwZi4uNWEy MGExMyAxMDA2NDQKLS0tIGEvaHcvOXBmcy85cC5jCisrKyBiL2h3LzlwZnMvOXAuYwpAQCAtNDcs NyArNDcsNyBAQCBzc2l6ZV90IHBkdV9tYXJzaGFsKFY5ZnNQRFUgKnBkdSwgc2l6ZV90IG9mZnNl dCwgY29uc3QgY2hhciAqZm10LCAuLi4pCiAgICAgdmFfbGlzdCBhcDsKIAogICAgIHZhX3N0YXJ0 KGFwLCBmbXQpOwotICAgIHJldCA9IHZpcnRpb19wZHVfdm1hcnNoYWwocGR1LCBvZmZzZXQsIGZt dCwgYXApOworICAgIHJldCA9IHBkdS0+cy0+dHJhbnNwb3J0LT5wZHVfdm1hcnNoYWwocGR1LCBv ZmZzZXQsIGZtdCwgYXApOwogICAgIHZhX2VuZChhcCk7CiAKICAgICByZXR1cm4gcmV0OwpAQCAt NTksNyArNTksNyBAQCBzc2l6ZV90IHBkdV91bm1hcnNoYWwoVjlmc1BEVSAqcGR1LCBzaXplX3Qg b2Zmc2V0LCBjb25zdCBjaGFyICpmbXQsIC4uLikKICAgICB2YV9saXN0IGFwOwogCiAgICAgdmFf c3RhcnQoYXAsIGZtdCk7Ci0gICAgcmV0ID0gdmlydGlvX3BkdV92dW5tYXJzaGFsKHBkdSwgb2Zm c2V0LCBmbXQsIGFwKTsKKyAgICByZXQgPSBwZHUtPnMtPnRyYW5zcG9ydC0+cGR1X3Z1bm1hcnNo YWwocGR1LCBvZmZzZXQsIGZtdCwgYXApOwogICAgIHZhX2VuZChhcCk7CiAKICAgICByZXR1cm4g cmV0OwpAQCAtNjcsNyArNjcsNyBAQCBzc2l6ZV90IHBkdV91bm1hcnNoYWwoVjlmc1BEVSAqcGR1 LCBzaXplX3Qgb2Zmc2V0LCBjb25zdCBjaGFyICpmbXQsIC4uLikKIAogc3RhdGljIHZvaWQgcGR1 X3B1c2hfYW5kX25vdGlmeShWOWZzUERVICpwZHUpCiB7Ci0gICAgdmlydGlvXzlwX3B1c2hfYW5k X25vdGlmeShwZHUpOworICAgIHBkdS0+cy0+dHJhbnNwb3J0LT5wdXNoX2FuZF9ub3RpZnkocGR1 KTsKIH0KIAogc3RhdGljIGludCBvbW9kZV90b191ZmxhZ3MoaW50OF90IG1vZGUpCkBAIC0xNzUx LDcgKzE3NTEsNyBAQCBzdGF0aWMgdm9pZCB2OWZzX2luaXRfcWlvdl9mcm9tX3BkdShRRU1VSU9W ZWN0b3IgKnFpb3YsIFY5ZnNQRFUgKnBkdSwKICAgICBzdHJ1Y3QgaW92ZWMgKmlvdjsKICAgICB1 bnNpZ25lZCBpbnQgbmlvdjsKIAotICAgIHZpcnRpb19pbml0X2lvdl9mcm9tX3BkdShwZHUsICZp b3YsICZuaW92LCBpc193cml0ZSk7CisgICAgcGR1LT5zLT50cmFuc3BvcnQtPmluaXRfaW92X2Zy b21fcGR1KHBkdSwgJmlvdiwgJm5pb3YsIGlzX3dyaXRlKTsKIAogICAgIHFlbXVfaW92ZWNfaW5p dF9leHRlcm5hbCgmZWxlbSwgaW92LCBuaW92KTsKICAgICBxZW11X2lvdmVjX2luaXQocWlvdiwg bmlvdik7CmRpZmYgLS1naXQgYS9ody85cGZzLzlwLmggYi9ody85cGZzLzlwLmgKaW5kZXggMDdj ZWUwMS4uYzhjOWFhOCAxMDA2NDQKLS0tIGEvaHcvOXBmcy85cC5oCisrKyBiL2h3LzlwZnMvOXAu aApAQCAtMjMwLDYgKzIzMCw3IEBAIHR5cGVkZWYgc3RydWN0IFY5ZnNTdGF0ZQogICAgIGVudW0g cDlfcHJvdG9fdmVyc2lvbiBwcm90b192ZXJzaW9uOwogICAgIGludDMyX3QgbXNpemU7CiAgICAg Vjlmc1BEVSBwZHVzW01BWF9SRVFdOworICAgIGNvbnN0IHN0cnVjdCBWOWZzVHJhbnNwb3J0ICp0 cmFuc3BvcnQ7CiAgICAgLyoKICAgICAgKiBsb2NrIGVuc3VyaW5nIGF0b21pYyBwYXRoIHVwZGF0 ZQogICAgICAqIG9uIHJlbmFtZS4KQEAgLTM0Myw0ICszNDQsMjIgQEAgdm9pZCBwZHVfZnJlZShW OWZzUERVICpwZHUpOwogdm9pZCBwZHVfc3VibWl0KFY5ZnNQRFUgKnBkdSk7CiB2b2lkIHY5ZnNf cmVzZXQoVjlmc1N0YXRlICpzKTsKIAorc3RydWN0IFY5ZnNUcmFuc3BvcnQgeworICAgIHNzaXpl X3QgICAgICgqcGR1X3ZtYXJzaGFsKShWOWZzUERVICpwZHUsIHNpemVfdCBvZmZzZXQsIGNvbnN0 IGNoYXIgKmZtdCwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdmFfbGlzdCBhcCk7 CisgICAgc3NpemVfdCAgICAgKCpwZHVfdnVubWFyc2hhbCkoVjlmc1BEVSAqcGR1LCBzaXplX3Qg b2Zmc2V0LCBjb25zdCBjaGFyICpmbXQsCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgdmFfbGlzdCBhcCk7CisgICAgdm9pZCAgICAgICAgKCppbml0X2lvdl9mcm9tX3BkdSkoVjlm c1BEVSAqcGR1LCBzdHJ1Y3QgaW92ZWMgKipwaW92LAorICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgIHVuc2lnbmVkIGludCAqcG5pb3YsIGJvb2wgaXNfd3JpdGUpOworICAgIHZv aWQgICAgICAgICgqcHVzaF9hbmRfbm90aWZ5KShWOWZzUERVICpwZHUpOworfTsKKworc3RhdGlj IGlubGluZSBpbnQgdjlmc19yZWdpc3Rlcl90cmFuc3BvcnQoVjlmc1N0YXRlICpzLAorICAgICAg ICBjb25zdCBzdHJ1Y3QgVjlmc1RyYW5zcG9ydCAqdCkKK3sKKyAgICBhc3NlcnQoIXMtPnRyYW5z cG9ydCk7CisgICAgcy0+dHJhbnNwb3J0ID0gdDsKKyAgICByZXR1cm4gMDsKK30KKwogI2VuZGlm CmRpZmYgLS1naXQgYS9ody85cGZzL3ZpcnRpby05cC1kZXZpY2UuYyBiL2h3LzlwZnMvdmlydGlv LTlwLWRldmljZS5jCmluZGV4IDE3ODJlNGEuLjI3MzQyNWIgMTAwNjQ0Ci0tLSBhL2h3LzlwZnMv dmlydGlvLTlwLWRldmljZS5jCisrKyBiL2h3LzlwZnMvdmlydGlvLTlwLWRldmljZS5jCkBAIC0y MCw3ICsyMCw5IEBACiAjaW5jbHVkZSAiaHcvdmlydGlvL3ZpcnRpby1hY2Nlc3MuaCIKICNpbmNs dWRlICJxZW11L2lvdi5oIgogCi12b2lkIHZpcnRpb185cF9wdXNoX2FuZF9ub3RpZnkoVjlmc1BE VSAqcGR1KQorc3RhdGljIGNvbnN0IHN0cnVjdCBWOWZzVHJhbnNwb3J0IHZpcnRpb185cF90cmFu c3BvcnQ7CisKK3N0YXRpYyB2b2lkIHZpcnRpb185cF9wdXNoX2FuZF9ub3RpZnkoVjlmc1BEVSAq cGR1KQogewogICAgIFY5ZnNTdGF0ZSAqcyA9IHBkdS0+czsKICAgICBWOWZzVmlydGlvU3RhdGUg KnYgPSBjb250YWluZXJfb2YocywgVjlmc1ZpcnRpb1N0YXRlLCBzdGF0ZSk7CkBAIC0xMjYsNiAr MTI4LDcgQEAgc3RhdGljIHZvaWQgdmlydGlvXzlwX2RldmljZV9yZWFsaXplKERldmljZVN0YXRl ICpkZXYsIEVycm9yICoqZXJycCkKICAgICB2LT5jb25maWdfc2l6ZSA9IHNpemVvZihzdHJ1Y3Qg dmlydGlvXzlwX2NvbmZpZykgKyBzdHJsZW4ocy0+ZnNjb25mLnRhZyk7CiAgICAgdmlydGlvX2lu aXQodmRldiwgInZpcnRpby05cCIsIFZJUlRJT19JRF85UCwgdi0+Y29uZmlnX3NpemUpOwogICAg IHYtPnZxID0gdmlydGlvX2FkZF9xdWV1ZSh2ZGV2LCBNQVhfUkVRLCBoYW5kbGVfOXBfb3V0cHV0 KTsKKyAgICB2OWZzX3JlZ2lzdGVyX3RyYW5zcG9ydChzLCAmdmlydGlvXzlwX3RyYW5zcG9ydCk7 CiAKIG91dDoKICAgICByZXR1cm47CkBAIC0xNDgsOCArMTUxLDggQEAgc3RhdGljIHZvaWQgdmly dGlvXzlwX3Jlc2V0KFZpcnRJT0RldmljZSAqdmRldikKICAgICB2OWZzX3Jlc2V0KCZ2LT5zdGF0 ZSk7CiB9CiAKLXNzaXplX3QgdmlydGlvX3BkdV92bWFyc2hhbChWOWZzUERVICpwZHUsIHNpemVf dCBvZmZzZXQsCi0gICAgICAgICAgICAgICAgICAgICAgICAgICAgY29uc3QgY2hhciAqZm10LCB2 YV9saXN0IGFwKQorc3RhdGljIHNzaXplX3QgdmlydGlvX3BkdV92bWFyc2hhbChWOWZzUERVICpw ZHUsIHNpemVfdCBvZmZzZXQsCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGNv bnN0IGNoYXIgKmZtdCwgdmFfbGlzdCBhcCkKIHsKICAgICBWOWZzU3RhdGUgKnMgPSBwZHUtPnM7 CiAgICAgVjlmc1ZpcnRpb1N0YXRlICp2ID0gY29udGFpbmVyX29mKHMsIFY5ZnNWaXJ0aW9TdGF0 ZSwgc3RhdGUpOwpAQCAtMTU4LDggKzE2MSw4IEBAIHNzaXplX3QgdmlydGlvX3BkdV92bWFyc2hh bChWOWZzUERVICpwZHUsIHNpemVfdCBvZmZzZXQsCiAgICAgcmV0dXJuIHY5ZnNfaW92X3ZtYXJz aGFsKGVsZW0tPmluX3NnLCBlbGVtLT5pbl9udW0sIG9mZnNldCwgMSwgZm10LCBhcCk7CiB9CiAK LXNzaXplX3QgdmlydGlvX3BkdV92dW5tYXJzaGFsKFY5ZnNQRFUgKnBkdSwgc2l6ZV90IG9mZnNl dCwKLSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGNvbnN0IGNoYXIgKmZtdCwgdmFfbGlz dCBhcCkKK3N0YXRpYyBzc2l6ZV90IHZpcnRpb19wZHVfdnVubWFyc2hhbChWOWZzUERVICpwZHUs IHNpemVfdCBvZmZzZXQsCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgY29u c3QgY2hhciAqZm10LCB2YV9saXN0IGFwKQogewogICAgIFY5ZnNTdGF0ZSAqcyA9IHBkdS0+czsK ICAgICBWOWZzVmlydGlvU3RhdGUgKnYgPSBjb250YWluZXJfb2YocywgVjlmc1ZpcnRpb1N0YXRl LCBzdGF0ZSk7CkBAIC0xNjgsOCArMTcxLDggQEAgc3NpemVfdCB2aXJ0aW9fcGR1X3Z1bm1hcnNo YWwoVjlmc1BEVSAqcGR1LCBzaXplX3Qgb2Zmc2V0LAogICAgIHJldHVybiB2OWZzX2lvdl92dW5t YXJzaGFsKGVsZW0tPm91dF9zZywgZWxlbS0+b3V0X251bSwgb2Zmc2V0LCAxLCBmbXQsIGFwKTsK IH0KIAotdm9pZCB2aXJ0aW9faW5pdF9pb3ZfZnJvbV9wZHUoVjlmc1BEVSAqcGR1LCBzdHJ1Y3Qg aW92ZWMgKipwaW92LAotICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdW5zaWduZWQgaW50 ICpwbmlvdiwgYm9vbCBpc193cml0ZSkKK3N0YXRpYyB2b2lkIHZpcnRpb19pbml0X2lvdl9mcm9t X3BkdShWOWZzUERVICpwZHUsIHN0cnVjdCBpb3ZlYyAqKnBpb3YsCisgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgdW5zaWduZWQgaW50ICpwbmlvdiwgYm9vbCBpc193cml0ZSkK IHsKICAgICBWOWZzU3RhdGUgKnMgPSBwZHUtPnM7CiAgICAgVjlmc1ZpcnRpb1N0YXRlICp2ID0g Y29udGFpbmVyX29mKHMsIFY5ZnNWaXJ0aW9TdGF0ZSwgc3RhdGUpOwpAQCAtMTg0LDYgKzE4Nywx MyBAQCB2b2lkIHZpcnRpb19pbml0X2lvdl9mcm9tX3BkdShWOWZzUERVICpwZHUsIHN0cnVjdCBp b3ZlYyAqKnBpb3YsCiAgICAgfQogfQogCitzdGF0aWMgY29uc3Qgc3RydWN0IFY5ZnNUcmFuc3Bv cnQgdmlydGlvXzlwX3RyYW5zcG9ydCA9IHsKKyAgICAucGR1X3ZtYXJzaGFsID0gdmlydGlvX3Bk dV92bWFyc2hhbCwKKyAgICAucGR1X3Z1bm1hcnNoYWwgPSB2aXJ0aW9fcGR1X3Z1bm1hcnNoYWws CisgICAgLmluaXRfaW92X2Zyb21fcGR1ID0gdmlydGlvX2luaXRfaW92X2Zyb21fcGR1LAorICAg IC5wdXNoX2FuZF9ub3RpZnkgPSB2aXJ0aW9fOXBfcHVzaF9hbmRfbm90aWZ5LAorfTsKKwogLyog dmlydGlvLTlwIGRldmljZSAqLwogCiBzdGF0aWMgY29uc3QgVk1TdGF0ZURlc2NyaXB0aW9uIHZt c3RhdGVfdmlydGlvXzlwID0gewpkaWZmIC0tZ2l0IGEvaHcvOXBmcy92aXJ0aW8tOXAuaCBiL2h3 LzlwZnMvdmlydGlvLTlwLmgKaW5kZXggNTJjNGI5ZC4uZTc2M2RhMmMgMTAwNjQ0Ci0tLSBhL2h3 LzlwZnMvdmlydGlvLTlwLmgKKysrIGIvaHcvOXBmcy92aXJ0aW8tOXAuaApAQCAtMTQsMTUgKzE0 LDYgQEAgdHlwZWRlZiBzdHJ1Y3QgVjlmc1ZpcnRpb1N0YXRlCiAgICAgVjlmc1N0YXRlIHN0YXRl OwogfSBWOWZzVmlydGlvU3RhdGU7CiAKLXZvaWQgdmlydGlvXzlwX3B1c2hfYW5kX25vdGlmeShW OWZzUERVICpwZHUpOwotCi1zc2l6ZV90IHZpcnRpb19wZHVfdm1hcnNoYWwoVjlmc1BEVSAqcGR1 LCBzaXplX3Qgb2Zmc2V0LAotICAgICAgICAgICAgICAgICAgICAgICAgICAgIGNvbnN0IGNoYXIg KmZtdCwgdmFfbGlzdCBhcCk7Ci1zc2l6ZV90IHZpcnRpb19wZHVfdnVubWFyc2hhbChWOWZzUERV ICpwZHUsIHNpemVfdCBvZmZzZXQsCi0gICAgICAgICAgICAgICAgICAgICAgICAgICAgICBjb25z dCBjaGFyICpmbXQsIHZhX2xpc3QgYXApOwotdm9pZCB2aXJ0aW9faW5pdF9pb3ZfZnJvbV9wZHUo Vjlmc1BEVSAqcGR1LCBzdHJ1Y3QgaW92ZWMgKipwaW92LAotICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgdW5zaWduZWQgaW50ICpwbmlvdiwgYm9vbCBpc193cml0ZSk7Ci0KICNkZWZpbmUg VFlQRV9WSVJUSU9fOVAgInZpcnRpby05cC1kZXZpY2UiCiAjZGVmaW5lIFZJUlRJT185UChvYmop IFwKICAgICAgICAgT0JKRUNUX0NIRUNLKFY5ZnNWaXJ0aW9TdGF0ZSwgKG9iaiksIFRZUEVfVklS VElPXzlQKQotLSAKMS45LjEKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3Jn Cmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK