From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [RFC] dmaengine: Add metadat_ops for dma_async_tx_descriptor From: Peter Ujfalusi Message-Id: <20180601102429.16429-1-peter.ujfalusi@ti.com> Date: Fri, 1 Jun 2018 13:24:29 +0300 To: radheys@xilinx.com, vinod.koul@intel.com Cc: lars@metafoo.de, michal.simek@xilinx.com, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, dan.j.williams@intel.com, appanad@xilinx.com, linux-arm-kernel@lists.infradead.org List-ID: SWYgdGhlIERNQSBzdXBwb3J0cyBwZXIgZGVzY3JpcHRvciBtZXRhZGF0YSBpdCBjYW4gaW1wbGVt ZW50IHRoZSBhdHRhY2gsCmdldF9wdHIvc2V0X2xlbiBjYWxsYmFja3MuCgpDbGllbnQgZHJpdmVy cyBtdXN0IG9ubHkgdXNlIGVpdGhlciBhdHRhY2ggb3IgZ2V0X3B0ci9zZXRfbGVuIHRvIGF2b2lk Cm1pc3MgY29uZmlndXJhdGlvbi4KCldyYXBwZXJzIGFyZSBhbHNvIGFkZGVkIGZvciB0aGUgbWV0 YWRhdGFfb3BzOgpkbWFlbmdpbmVfZGVzY19hdHRhY2hfbWV0YWRhdGEoKQpkbWFlbmdpbmVfZGVz Y19nZXRfbWV0YWRhdGFfcHRyKCkKZG1hZW5naW5lX2Rlc2Nfc2V0X21ldGFkYXRhX2xlbigpCgpT aWduZWQtb2ZmLWJ5OiBQZXRlciBVamZhbHVzaSA8cGV0ZXIudWpmYWx1c2lAdGkuY29tPgotLS0K SGksCgpzaW5jZSBhdHRhY2htZW50cyBhcmUgYm91bmNpbmcgYmFjaywgSSBzZW5kIHRoZSBwYXRj aCBzZXBhcmF0ZWx5CgpSZWdhcmRzLApQZXRlcgoKIGluY2x1ZGUvbGludXgvZG1hZW5naW5lLmgg fCA1MCArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKIDEgZmlsZSBjaGFu Z2VkLCA1MCBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9kbWFlbmdp bmUuaCBiL2luY2x1ZGUvbGludXgvZG1hZW5naW5lLmgKaW5kZXggNTFmYmI4NjFlODRiLi5hYzQy YWNlMzZhYTMgMTAwNjQ0Ci0tLSBhL2luY2x1ZGUvbGludXgvZG1hZW5naW5lLmgKKysrIGIvaW5j bHVkZS9saW51eC9kbWFlbmdpbmUuaApAQCAtNDkxLDYgKzQ5MSwxOCBAQCBzdHJ1Y3QgZG1hZW5n aW5lX3VubWFwX2RhdGEgewogCWRtYV9hZGRyX3QgYWRkclswXTsKIH07CiAKK3N0cnVjdCBkbWFf YXN5bmNfdHhfZGVzY3JpcHRvcjsKKworc3RydWN0IGRtYV9kZXNjcmlwdG9yX21ldGFkYXRhX29w cyB7CisJaW50ICgqYXR0YWNoKShzdHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgKmRlc2Ms IHZvaWQgKmRhdGEsCisJCSAgICAgIHNpemVfdCBsZW4pOworCisJdm9pZCAqKCpnZXRfcHRyKShz dHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgKmRlc2MsCisJCQkgc2l6ZV90ICpwYXlsb2Fk X2xlbiwgc2l6ZV90ICptYXhfbGVuKTsKKwlpbnQgKCpzZXRfbGVuKShzdHJ1Y3QgZG1hX2FzeW5j X3R4X2Rlc2NyaXB0b3IgKmRlc2MsCisJCSAgICAgICBzaXplX3QgcGF5bG9hZF9sZW4pOworfTsK KwogLyoqCiAgKiBzdHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgLSBhc3luYyB0cmFuc2Fj dGlvbiBkZXNjcmlwdG9yCiAgKiAtLS1kbWEgZ2VuZXJpYyBvZmZsb2FkIGZpZWxkcy0tLQpAQCAt NTIwLDYgKzUzMiw3IEBAIHN0cnVjdCBkbWFfYXN5bmNfdHhfZGVzY3JpcHRvciB7CiAJZG1hX2Fz eW5jX3R4X2NhbGxiYWNrX3Jlc3VsdCBjYWxsYmFja19yZXN1bHQ7CiAJdm9pZCAqY2FsbGJhY2tf cGFyYW07CiAJc3RydWN0IGRtYWVuZ2luZV91bm1hcF9kYXRhICp1bm1hcDsKKwlzdHJ1Y3QgZG1h X2Rlc2NyaXB0b3JfbWV0YWRhdGFfb3BzICptZXRhZGF0YV9vcHM7CiAjaWZkZWYgQ09ORklHX0FT WU5DX1RYX0VOQUJMRV9DSEFOTkVMX1NXSVRDSAogCXN0cnVjdCBkbWFfYXN5bmNfdHhfZGVzY3Jp cHRvciAqbmV4dDsKIAlzdHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgKnBhcmVudDsKQEAg LTkzMiw2ICs5NDUsNDMgQEAgc3RhdGljIGlubGluZSBzdHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2Ny aXB0b3IgKmRtYWVuZ2luZV9wcmVwX2RtYV9tZW1jcHkoCiAJCQkJCQkgICAgbGVuLCBmbGFncyk7 CiB9CiAKK3N0YXRpYyBpbmxpbmUgaW50IGRtYWVuZ2luZV9kZXNjX2F0dGFjaF9tZXRhZGF0YSgK KwkJc3RydWN0IGRtYV9hc3luY190eF9kZXNjcmlwdG9yICpkZXNjLCB2b2lkICpkYXRhLCBzaXpl X3QgbGVuKQoreworCWlmICghZGVzYykKKwkJcmV0dXJuIDA7CisKKwlpZiAoIWRlc2MtPm1ldGFk YXRhX29wcyB8fCAhZGVzYy0+bWV0YWRhdGFfb3BzLT5hdHRhY2gpCisJCXJldHVybiAtRU5PVFNV UFA7CisKKwlyZXR1cm4gZGVzYy0+bWV0YWRhdGFfb3BzLT5hdHRhY2goZGVzYywgZGF0YSwgbGVu KTsKK30KKworc3RhdGljIGlubGluZSB2b2lkICpkbWFlbmdpbmVfZGVzY19nZXRfbWV0YWRhdGFf cHRyKAorCQlzdHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgKmRlc2MsIHNpemVfdCAqcGF5 bG9hZF9sZW4sCisJCXNpemVfdCAqbWF4X2xlbikKK3sKKwlpZiAoIWRlc2MpCisJCXJldHVybiBO VUxMOworCisJaWYgKCFkZXNjLT5tZXRhZGF0YV9vcHMgfHwgIWRlc2MtPm1ldGFkYXRhX29wcy0+ Z2V0X3B0cikKKwkJcmV0dXJuIEVSUl9QVFIoLUVOT1RTVVBQKTsKKworCXJldHVybiBkZXNjLT5t ZXRhZGF0YV9vcHMtPmdldF9wdHIoZGVzYywgcGF5bG9hZF9sZW4sIG1heF9sZW4pOworfQorCitz dGF0aWMgaW5saW5lIGludCBkbWFlbmdpbmVfZGVzY19zZXRfbWV0YWRhdGFfbGVuKAorCQlzdHJ1 Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgKmRlc2MsIHNpemVfdCBwYXlsb2FkX2xlbikKK3sK KwlpZiAoIWRlc2MpCisJCXJldHVybiAwOworCisJaWYgKCFkZXNjLT5tZXRhZGF0YV9vcHMgfHwg IWRlc2MtPm1ldGFkYXRhX29wcy0+c2V0X2xlbikKKwkJcmV0dXJuIC1FTk9UU1VQUDsKKworCXJl dHVybiBkZXNjLT5tZXRhZGF0YV9vcHMtPnNldF9sZW4oZGVzYywgcGF5bG9hZF9sZW4pOworfQor CiAvKioKICAqIGRtYWVuZ2luZV90ZXJtaW5hdGVfYWxsKCkgLSBUZXJtaW5hdGUgYWxsIGFjdGl2 ZSBETUEgdHJhbnNmZXJzCiAgKiBAY2hhbjogVGhlIGNoYW5uZWwgZm9yIHdoaWNoIHRvIHRlcm1p bmF0ZSB0aGUgdHJhbnNmZXJzCg==