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: Date: Mon, 30 Jul 2018 12:46:14 +0300 To: Vinod Cc: radheys@xilinx.com, vinod.koul@intel.com, 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: Vmlub2QsCgpPbiAyMDE4LTA3LTI0IDE0OjE0LCBWaW5vZCB3cm90ZToKPj4+PiBDbGllbnRzIG11 c3Qgbm90IG1peCB0aGUgdHdvIHdheSBvZiBoYW5kbGluZyB0aGUgbWV0YWRhdGEuCj4+Pj4gVGhl IHNldF9sZW4oKSBpcyBpbnRlbmRlZCB0byB0ZWxsIHRoZSBETUEgZHJpdmVyIHRoZSBjbGllbnQg cHJvdmlkZWQKPj4+PiBtZXRhZGF0YSBzaXplIChpbiBNRU1fVE9fREVWIGNhc2UgbW9zdGx5KS4K Pj4+Pgo+Pj4+IE1FTV9UT19ERVYgZmxvdyBvbiBjbGllbnQgc2lkZToKPj4+PiBnZXRfcHRyKCkK Pj4+PiBmaWxsIGluIHRoZSBtZXRhZGF0YSB0byB0aGUgcG9pbnRlciAobm90IGV4Y2VlZGluZyBt YXhfbGVuKQo+Pj4+IHNldF9sZW4oKSB0byB0ZWxsIHRoZSBETUEgZHJpdmVyIHRoZSBhbW91bnQg b2YgdmFsaWQgYnl0ZXMgd3JpdHRlbgo+Pj4+Cj4+Pj4gREVWX1RPX01FTSBmbG93IG9uIGNsaWVu dCBzaWRlOgo+Pj4+IEluIHRoZSBjb21wbGV0aW9uIGNhbGxiYWNrLCBnZXRfcHRyKCkKPj4+PiB0 aGUgbWV0YWRhdGEgaXMgcGF5bG9hZF9sZW4gYnl0ZXMgYW5kIGNhbiBiZSBhY2Nlc3NlZCBpbiB0 aGUgcmV0dXJuIHBvaW50ZXIuCj4+Pgo+Pj4gSSB3b3VsZCB0aGluayB0byB1bmlmeSB0aGlzLi4K Pj4KPj4gSSBoYXZlIHRyaWVkIGl0LCBidXQgdGhlIGF0dGFjaCBtb2RlIGFuZCB0aGUgcG9pbnRl ciBtb2RlIGlzIGhhcmQgdG8KPj4gaGFuZGxlIHdpdGggYSBnZW5lcmljIEFQSS4KPj4gSSB3aWxs IHRyeSB0byBmaW5kIGEgd2F5IHRvIHVuaWZ5IHRoaW5ncyBpbiBhIHNhbmUgd2F5Lgo+IAo+IEht bW0sIGxvb2tpbmcgZnJvbSB0aGUgZGVzY3JpcHRpb24gdGhleSB3aWxsIGJlIGZvciBkaWZmZXJl bnQgbWV0aG9kcywKPiBzbyBsZXRzIG1ha2UgdGhlbSBvcnRob2dvbmFsIGFuZCBub3QgYWxsb3cg ZHJpdmVyIHRvIHJlZ2lzdGVyIGJvdGguCgpJIHdvdWxkIGFsbG93IERNQSBkcml2ZXJzIHRvIHJl Z2lzdGVyIGJvdGgsIGJ1dCBzb21laG93IGVuZm9yY2UgdGhhdApjbGllbnRzIGFyZSBub3QgbWl4 aW5nIHRoZSB0d28gZGlzdGluY3Qgd2F5IG9mIGRlYWxpbmcgd2l0aCB0aGUgbWV0YWRhdGEuCgpU aGUgcmVhc29uIGZvciB0aGF0IGlzIGZvciBleGFtcGxlIHRoZSBhdHRhY2ggbW9kZSBpcyB0aGUg c2ltcGxlc3QgKEkKaW1wbGVtZW50ZWQgaXQgZmlyc3QgYW5kIEkgaGF2ZSBhIGNsaWVudCB1c2lu ZyBpdCksIGJ1dCBpZiB0aGUgcG9pbnRlcgptb2RlIGlzIGZvdW5kIHRvIGJlIG1vcmUgZWZmaWNp ZW50IGFuZCBmZWFzaWJsZSBmb3IgdGhlIERNQSB0aGVuIHRoZSBETUEKZHJpdmVyIGNhbiBpbXBs ZW1lbnQgdGhhdCBtb2RlIGFuZCB0aGUgY2xpZW50IGNhbiBtb3ZlIGFzIHdlbGwgdy9vCmJyZWFr aW5nIGFueXRoaW5nLgoKPiAKPj4KPj4gSSBoYXZlIG1vdmVkIHRoZSBtZXRhZGF0YV9vcHMgdG8g ZG1hX2FzeW5jX3R4X2Rlc2NyaXB0b3IgdG8gZW1waGFzaXplCj4+IHRoYXQgaXQgaXMgcGVyIGRl c2NyaXB0b3Igc2V0dGluZzoKPj4gaHR0cHM6Ly9naXRodWIuY29tL29tYXAtYXVkaW8vbGludXgt YXVkaW8vY29tbWl0LzAyZTA5NWQxMzIwYTRiYjNhZTI4MWRkYjIwOGNlODJlYWQ3NDZmMDAjZGlm Zi05MmMwYTc5ZjQxNGRjM2JlOWRmYzY3YTk2OWMwZGQ3MQo+Pgo+Pgo+Pj4+IEJUVzogVGhlIGRy aXZlciB3aGljaCBpcyBnb2luZyB0byBuZWVkIHRoaXMgaXMgbm93IGFjY2Vzc2libGUgaW4gcHVi bGljOgo+Pj4+IGh0dHBzOi8vZ2l0LnRpLmNvbS90aS1saW51eC1rZXJuZWwvdGktbGludXgta2Vy bmVsL3RyZWVzL3RpLWxpbnV4LTQuMTQueS9kcml2ZXJzL2RtYS90aQo+Pj4+Cj4+Pj4gb3IgaW4g bXkgd2lwIHRyZWU6Cj4+Pj4gaHR0cHM6Ly9naXRodWIuY29tL29tYXAtYXVkaW8vbGludXgtYXVk aW8vdHJlZS9wZXRlci90aS1saW51eC00LjE0Lnkvd2lwL2RyaXZlcnMvZG1hL3RpCj4+Pj4KPj4+ PiBwcmVmaXhlZCB3aXRoIGszLSoKPj4+Pgo+Pgo+PiAtIFDDqXRlcgo+Pgo+PiBUZXhhcyBJbnN0 cnVtZW50cyBGaW5sYW5kIE95LCBQb3Jra2FsYW5rYXR1IDIyLCAwMDE4MCBIZWxzaW5raS4KPj4g WS10dW5udXMvQnVzaW5lc3MgSUQ6IDA2MTU1MjEtNC4gS290aXBhaWtrYS9Eb21pY2lsZTogSGVs c2lua2kKPiAKCi0gUMOpdGVyCgpUZXhhcyBJbnN0cnVtZW50cyBGaW5sYW5kIE95LCBQb3Jra2Fs YW5rYXR1IDIyLCAwMDE4MCBIZWxzaW5raS4KWS10dW5udXMvQnVzaW5lc3MgSUQ6IDA2MTU1MjEt NC4gS290aXBhaWtrYS9Eb21pY2lsZTogSGVsc2lua2kKLS0tClRvIHVuc3Vic2NyaWJlIGZyb20g dGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBkbWFlbmdpbmUiIGluCnRoZSBi b2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnCk1vcmUgbWFqb3Jk b21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbAo=