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,v3,7/7] dmaengine: Add Synopsys eDMA IP test and sample driver From: Jose Abreu Message-Id: <1876fee2-9f8c-925c-a9ab-cf69fe6693a1@synopsys.com> Date: Wed, 16 Jan 2019 10:45:32 +0000 To: Gustavo Pimentel , linux-pci@vger.kernel.org, dmaengine@vger.kernel.org Cc: Vinod Koul , Dan Williams , Eugeniy Paltsev , Andy Shevchenko , Russell King , Niklas Cassel , Joao Pinto , Jose Abreu , Luis Oliveira , Vitor Soares , Nelson Costa , Pedro Sousa List-ID: SGkgR3VzdGF2bywKCk9uIDEvMTEvMjAxOSA2OjMzIFBNLCBHdXN0YXZvIFBpbWVudGVsIHdyb3Rl Ogo+IEFkZCBTeW5vcHN5cyBlRE1BIElQIHRlc3QgYW5kIHNhbXBsZSBkcml2ZXIgdG8gYmUgdXNl IGZvciB0ZXN0aW5nCj4gcHVycG9zZXMgYW5kIGFsc28gYXMgYSByZWZlcmVuY2UgZm9yIGFueSBk ZXZlbG9wZXIgd2hvIG5lZWRzIHRvCj4gaW1wbGVtZW50IGFuZCB1c2UgU3lub3BzeXMgZURNQS4K PiAKPiBUaGlzIGRyaXZlciBjYW4gYmUgY29tcGlsZSBhcyBidWlsdC1pbiBvciBleHRlcm5hbCBt b2R1bGUgaW4ga2VybmVsLgo+IAo+IFRvIGVuYWJsZSB0aGlzIGRyaXZlciBqdXN0IHNlbGVjdCBE V19FRE1BX1RFU1Qgb3B0aW9uIGluIGtlcm5lbAo+IGNvbmZpZ3VyYXRpb24sIGhvd2V2ZXIgaXQg cmVxdWlyZXMgYW5kIHNlbGVjdHMgYXV0b21hdGljYWxseSBEV19FRE1BCj4gb3B0aW9uIHRvby4K PiAKPiBDaGFuZ2VzOgo+IFJGQyB2MS0+UkZDIHYyOgo+ICAtIE5vIGNoYW5nZXMKPiBSRkMgdjIt PlJGQyB2MzoKPiAgLSBBZGQgdGVzdCBtb2R1bGUKPiAKPiBTaWduZWQtb2ZmLWJ5OiBHdXN0YXZv IFBpbWVudGVsIDxndXN0YXZvLnBpbWVudGVsQHN5bm9wc3lzLmNvbT4KPiBDYzogVmlub2QgS291 bCA8dmtvdWxAa2VybmVsLm9yZz4KPiBDYzogRGFuIFdpbGxpYW1zIDxkYW4uai53aWxsaWFtc0Bp bnRlbC5jb20+Cj4gQ2M6IEV1Z2VuaXkgUGFsdHNldiA8cGFsdHNldkBzeW5vcHN5cy5jb20+Cj4g Q2M6IEFuZHkgU2hldmNoZW5rbyA8YW5kcml5LnNoZXZjaGVua29AbGludXguaW50ZWwuY29tPgo+ IENjOiBSdXNzZWxsIEtpbmcgPHJtaytrZXJuZWxAYXJtbGludXgub3JnLnVrPgo+IENjOiBOaWts YXMgQ2Fzc2VsIDxuaWtsYXMuY2Fzc2VsQGxpbmFyby5vcmc+Cj4gQ2M6IEpvYW8gUGludG8gPGpw aW50b0BzeW5vcHN5cy5jb20+Cj4gQ2M6IEpvc2UgQWJyZXUgPGpvc2UuYWJyZXVAc3lub3BzeXMu Y29tPgo+IENjOiBMdWlzIE9saXZlaXJhIDxsb2xpdmVpQHN5bm9wc3lzLmNvbT4KPiBDYzogVml0 b3IgU29hcmVzIDx2aXRvci5zb2FyZXNAc3lub3BzeXMuY29tPgo+IENjOiBOZWxzb24gQ29zdGEg PG5lbHNvbi5jb3N0YUBzeW5vcHN5cy5jb20+Cj4gQ2M6IFBlZHJvIFNvdXNhIDxwZWRyb20uc291 c2FAc3lub3BzeXMuY29tPgoKPiArc3RhdGljIGludCBkd19lZG1hX3Rlc3RfYWRkX2NoYW5uZWwo c3RydWN0IGR3X2VkbWFfdGVzdF9pbmZvICppbmZvLAo+ICsJCQkJICAgIHN0cnVjdCBkbWFfY2hh biAqY2hhbiwKPiArCQkJCSAgICB1MzIgY2hhbm5lbCkKPiArewo+ICsJc3RydWN0IGR3X2VkbWFf dGVzdF9wYXJhbXMgKnBhcmFtcyA9ICZpbmZvLT5wYXJhbXM7Cj4gKwlzdHJ1Y3QgZHdfZWRtYV90 ZXN0X3RocmVhZCAqdGhyZWFkOwo+ICsJc3RydWN0IGR3X2VkbWFfdGVzdF9jaGFuICp0Y2hhbjsK PiArCj4gKwl0Y2hhbiA9IGt2bWFsbG9jKHNpemVvZigqdGNoYW4pLCBHRlBfS0VSTkVMKTsKPiAr CWlmICghdGNoYW4pCj4gKwkJcmV0dXJuIC1FTk9NRU07Cj4gKwo+ICsJdGNoYW4tPmNoYW4gPSBj aGFuOwo+ICsKPiArCXRocmVhZCA9IGt2emFsbG9jKHNpemVvZigqdGhyZWFkKSwgR0ZQX0tFUk5F TCk7Cj4gKwlpZiAoIXRocmVhZCkgewo+ICsJCWt2ZnJlZSh0Y2hhbik7Cj4gKwkJcmV0dXJuIC1F Tk9NRU07Cj4gKwl9Cj4gKwo+ICsJdGhyZWFkLT5pbmZvID0gaW5mbzsKPiArCXRocmVhZC0+Y2hh biA9IHRjaGFuLT5jaGFuOwo+ICsJc3dpdGNoIChjaGFubmVsKSB7Cj4gKwljYXNlIEVETUFfQ0hf V1I6Cj4gKwkJdGhyZWFkLT5kaXJlY3Rpb24gPSBETUFfREVWX1RPX01FTTsKPiArCQlicmVhazsK PiArCWNhc2UgRURNQV9DSF9SRDoKPiArCQl0aHJlYWQtPmRpcmVjdGlvbiA9IERNQV9NRU1fVE9f REVWOwo+ICsJCWJyZWFrOwo+ICsJZGVmYXVsdDoKPiArCQlrdmZyZWUodGNoYW4pOwoKWW91IGFy ZSBsZWFraW5nIHRocmVhZCBoZXJlLgoKPiArCQlyZXR1cm4gLUVQRVJNOwo+ICsJfQo+ICsJdGhy ZWFkLT50ZXN0X2RvbmUud2FpdCA9ICZ0aHJlYWQtPmRvbmVfd2FpdDsKPiArCWluaXRfd2FpdHF1 ZXVlX2hlYWQoJnRocmVhZC0+ZG9uZV93YWl0KTsKPiArCj4gKwlpZiAoIXBhcmFtcy0+cmVwZXRp dGlvbnMpCj4gKwkJdGhyZWFkLT50YXNrID0ga3RocmVhZF9jcmVhdGUoZHdfZWRtYV90ZXN0X3Nn LCB0aHJlYWQsICIlcyIsCj4gKwkJCQkJICAgICAgZG1hX2NoYW5fbmFtZShjaGFuKSk7Cj4gKwll bHNlCj4gKwkJdGhyZWFkLT50YXNrID0ga3RocmVhZF9jcmVhdGUoZHdfZWRtYV90ZXN0X2N5Y2xp YywgdGhyZWFkLCAiJXMiLAo+ICsJCQkJCSAgICAgIGRtYV9jaGFuX25hbWUoY2hhbikpOwo+ICsK PiArCWlmIChJU19FUlIodGhyZWFkLT50YXNrKSkgewo+ICsJCXByX2VycigiZmFpbGVkIHRvIGNy ZWF0ZSB0aHJlYWQgJXNcbiIsIGRtYV9jaGFuX25hbWUoY2hhbikpOwo+ICsJCWt2ZnJlZSh0Y2hh bik7Cj4gKwkJa3ZmcmVlKHRocmVhZCk7Cj4gKwkJcmV0dXJuIC1FUEVSTTsKPiArCX0KPiArCj4g Kwl0Y2hhbi0+dGhyZWFkID0gdGhyZWFkOwo+ICsJZGV2X2RiZyhjaGFuLT5kZXZpY2UtPmRldiwg ImFkZCB0aHJlYWQgJXNcbiIsIGRtYV9jaGFuX25hbWUoY2hhbikpOwo+ICsJbGlzdF9hZGRfdGFp bCgmdGNoYW4tPm5vZGUsICZpbmZvLT5jaGFubmVscyk7Cj4gKwo+ICsJcmV0dXJuIDA7Cj4gK30K PiArCg==