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: [v2,1/2] dmaengine: Add metadata_ops for dma_async_tx_descriptor From: Vinod Koul Message-Id: <20180911073307.GK2634@vkoul-mobl> Date: Tue, 11 Sep 2018 13:03:07 +0530 To: Peter Ujfalusi Cc: dan.j.williams@intel.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, lars@metafoo.de, radheys@xilinx.com List-ID: T24gMzAtMDgtMTgsIDE1OjE5LCBQZXRlciBVamZhbHVzaSB3cm90ZToKPiBUaGUgbWV0YWRhdGEg aXMgYmVzdCBkZXNjcmliZWQgYXMgc2lkZSBiYW5kIGRhdGEgb3IgcGFyYW1ldGVycyB0cmF2ZWxp bmcKPiBhbG9uZ3NpZGUgdGhlIGRhdGEgRE1BZCBieSB0aGUgRE1BIGVuZ2luZS4gSXQgaXMgZGF0 YQo+IHdoaWNoIGlzIHVuZGVyc3Rvb2QgYnkgdGhlIHBlcmlwaGVyYWwgYW5kIHRoZSBwZXJpcGhl cmFsIGRyaXZlciBvbmx5LCB0aGUKPiBETUEgZW5naW5lIHNlZSBpdCBvbmx5IGFzIGRhdGEgYmxv Y2sgYW5kIGl0IGlzIG5vdCBpbnRlcnByZXRpbmcgaXQgaW4gYW55Cj4gd2F5Lgo+IAo+IFRoZSBt ZXRhZGF0YSBjYW4gYmUgZGlmZmVyZW50IHBlciBkZXNjcmlwdG9yIGFzIGl0IGlzIGEgcGFyYW1l dGVyIGZvciB0aGUKPiBkYXRhIGJlaW5nIHRyYW5zZmVycmVkLgo+IAo+IElmIHRoZSBETUEgc3Vw cG9ydHMgcGVyIGRlc2NyaXB0b3IgbWV0YWRhdGEgaXQgY2FuIGltcGxlbWVudCB0aGUgYXR0YWNo LAo+IGdldF9wdHIvc2V0X2xlbiBjYWxsYmFja3MuCj4gCj4gQ2xpZW50IGRyaXZlcnMgbXVzdCBv bmx5IHVzZSBlaXRoZXIgYXR0YWNoIG9yIGdldF9wdHIvc2V0X2xlbiB0byBhdm9pZAo+IG1pc2Nv bmZpZ3VyYXRpb24uCj4gCj4gQ2xpZW50IGRyaXZlciBjYW4gY2hlY2sgaWYgYSBnaXZlbiBtZXRh ZGF0YSBtb2RlIGlzIHN1cHBvcnRlZCBieSB0aGUKPiBjaGFubmVsIGR1cmluZyBwcm9iZSB0aW1l IHdpdGgKPiBkbWFlbmdpbmVfaXNfbWV0YWRhdGFfbW9kZV9zdXBwb3J0ZWQoY2hhbiwgREVTQ19N RVRBREFUQV9DTElFTlQpOwo+IGRtYWVuZ2luZV9pc19tZXRhZGF0YV9tb2RlX3N1cHBvcnRlZChj aGFuLCBERVNDX01FVEFEQVRBX0VOR0lORSk7Cj4gCj4gYW5kIGJhc2VkIG9uIHRoaXMgaW5mb3Jt YXRpb24gY2FuIHVzZSBlaXRoZXIgbW9kZS4KPiAKPiBXcmFwcGVycyBhcmUgYWxzbyBhZGRlZCBm b3IgdGhlIG1ldGFkYXRhX29wcy4KPiAKPiBUbyBiZSB1c2VkIGluIERFU0NfTUVUQURBVEFfQ0xJ RU5UIG1vZGU6Cj4gZG1hZW5naW5lX2Rlc2NfYXR0YWNoX21ldGFkYXRhKCkKPiAKPiBUbyBiZSB1 c2VkIGluIERFU0NfTUVUQURBVEFfRU5HSU5FIG1vZGU6Cj4gZG1hZW5naW5lX2Rlc2NfZ2V0X21l dGFkYXRhX3B0cigpCj4gZG1hZW5naW5lX2Rlc2Nfc2V0X21ldGFkYXRhX2xlbigpCj4gCj4gU2ln bmVkLW9mZi1ieTogUGV0ZXIgVWpmYWx1c2kgPHBldGVyLnVqZmFsdXNpQHRpLmNvbT4KPiAtLS0K PiAgZHJpdmVycy9kbWEvZG1hZW5naW5lLmMgICB8ICA3MyArKysrKysrKysrKysrKysrKysrKysr KysrKwo+ICBpbmNsdWRlL2xpbnV4L2RtYWVuZ2luZS5oIHwgMTA4ICsrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrCj4gIDIgZmlsZXMgY2hhbmdlZCwgMTgxIGluc2VydGlvbnMo KykKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEvZG1hZW5naW5lLmMgYi9kcml2ZXJzL2Rt YS9kbWFlbmdpbmUuYwo+IGluZGV4IGYxYTQ0MWFiMzk1ZC4uNTNiZDFlYWUyM2YyIDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvZG1hL2RtYWVuZ2luZS5jCj4gKysrIGIvZHJpdmVycy9kbWEvZG1hZW5n aW5lLmMKPiBAQCAtMTMwNiw2ICsxMzA2LDc5IEBAIHZvaWQgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0 b3JfaW5pdChzdHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgKnR4LAo+ICB9Cj4gIEVYUE9S VF9TWU1CT0woZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3JfaW5pdCk7Cj4gIAo+ICtzdGF0aWMgaW5s aW5lIGludCBkZXNjX2NoZWNrX2FuZF9zZXRfbWV0YWRhdGFfbW9kZSgKPiArCXN0cnVjdCBkbWFf YXN5bmNfdHhfZGVzY3JpcHRvciAqZGVzYywgZW51bSBkbWFfZGVzY19tZXRhZGF0YV9tb2RlIG1v ZGUpCj4gK3sKPiArCS8qIE1ha2Ugc3VyZSB0aGF0IHRoZSBtZXRhZGF0YSBtb2RlIGlzIG5vdCBt aXhlZCAqLwo+ICsJaWYgKCFkZXNjLT5kZXNjX21ldGFkYXRhX21vZGUpIHsKPiArCQlpZiAoZG1h ZW5naW5lX2lzX21ldGFkYXRhX21vZGVfc3VwcG9ydGVkKGRlc2MtPmNoYW4sIG1vZGUpKQo+ICsJ CQlkZXNjLT5kZXNjX21ldGFkYXRhX21vZGUgPSBtb2RlOwo+ICsJCWVsc2UKPiArCQkJcmV0dXJu IC1FTk9UU1VQUDsKPiArCX0gZWxzZSBpZiAoZGVzYy0+ZGVzY19tZXRhZGF0YV9tb2RlICE9IG1v ZGUpIHsKPiArCQlyZXR1cm4gLUVJTlZBTDsKPiArCX0KPiArCj4gKwlyZXR1cm4gMDsKPiArfQo+ ICsKPiAraW50IGRtYWVuZ2luZV9kZXNjX2F0dGFjaF9tZXRhZGF0YShzdHJ1Y3QgZG1hX2FzeW5j X3R4X2Rlc2NyaXB0b3IgKmRlc2MsCj4gKwkJCQkgICB2b2lkICpkYXRhLCBzaXplX3QgbGVuKQo+ ICt7Cj4gKwlpbnQgcmV0Owo+ICsKPiArCWlmICghZGVzYykKPiArCQlyZXR1cm4gLUVJTlZBTDsK PiArCj4gKwlyZXQgPSBkZXNjX2NoZWNrX2FuZF9zZXRfbWV0YWRhdGFfbW9kZShkZXNjLCBERVND X01FVEFEQVRBX0NMSUVOVCk7Cj4gKwlpZiAocmV0KQo+ICsJCXJldHVybiByZXQ7Cj4gKwo+ICsJ aWYgKCFkZXNjLT5tZXRhZGF0YV9vcHMgfHwgIWRlc2MtPm1ldGFkYXRhX29wcy0+YXR0YWNoKQo+ ICsJCXJldHVybiAtRU5PVFNVUFA7Cj4gKwo+ICsJcmV0dXJuIGRlc2MtPm1ldGFkYXRhX29wcy0+ YXR0YWNoKGRlc2MsIGRhdGEsIGxlbik7Cj4gK30KPiArRVhQT1JUX1NZTUJPTChkbWFlbmdpbmVf ZGVzY19hdHRhY2hfbWV0YWRhdGEpOwoKRVhQT1JUX1NZTUJPTF9HUEwgPwo=