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,1/5] dmaengine: Add support for reporting DMA cached data amount From: Peter Ujfalusi Message-Id: <20180924130021.20530-2-peter.ujfalusi@ti.com> Date: Mon, 24 Sep 2018 16:00:17 +0300 To: vkoul@kernel.org, dan.j.williams@intel.com Cc: dmaengine@vger.kernel.org, grygorii.strashko@ti.com List-ID: QSBETUEgaGFyZHdhcmUgY2FuIGhhdmUgYmlnIGNhY2hlIG9yIEZJRk8gYW5kIHRoZSBhbW91bnQg b2YgZGF0YSBzaXR0aW5nIGluCnRoZSBETUEgZmFicmljIGNhbiBiZSBhbiBpbnRlcmVzdCBmb3Ig dGhlIGNsaWVudHMuCgpGb3IgZXhhbXBsZSBpbiBhdWRpbyB3ZSB3YW50IHRvIGtub3cgdGhlIGRl bGF5IGluIHRoZSBkYXRhIGZsb3cgYW5kIGluIGNhc2UKdGhlIERNQSBoYXZlIHNpZ25pZmljYW50 bHkgbGFyZ2UgRklGTy9jYWNoZSwgaXQgY2FuIGFmZmVjdCB0aGUgbGF0ZW5jL2RlbGF5CgpTaWdu ZWQtb2ZmLWJ5OiBQZXRlciBVamZhbHVzaSA8cGV0ZXIudWpmYWx1c2lAdGkuY29tPgotLS0KIGRy aXZlcnMvZG1hL2RtYWVuZ2luZS5oICAgfCA3ICsrKysrKysKIGluY2x1ZGUvbGludXgvZG1hZW5n aW5lLmggfCAyICsrCiAyIGZpbGVzIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygrKQoKZGlmZiAtLWdp dCBhL2RyaXZlcnMvZG1hL2RtYWVuZ2luZS5oIGIvZHJpdmVycy9kbWEvZG1hZW5naW5lLmgKaW5k ZXggNTAxYzBiMDYzZjg1Li44MDIxNDI3MGI3MGUgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZG1hL2Rt YWVuZ2luZS5oCisrKyBiL2RyaXZlcnMvZG1hL2RtYWVuZ2luZS5oCkBAIC03Nyw2ICs3Nyw3IEBA IHN0YXRpYyBpbmxpbmUgZW51bSBkbWFfc3RhdHVzIGRtYV9jb29raWVfc3RhdHVzKHN0cnVjdCBk bWFfY2hhbiAqY2hhbiwKIAkJc3RhdGUtPmxhc3QgPSBjb21wbGV0ZTsKIAkJc3RhdGUtPnVzZWQg PSB1c2VkOwogCQlzdGF0ZS0+cmVzaWR1ZSA9IDA7CisJCXN0YXRlLT5jYWNoZWQgPSAwOwogCX0K IAlyZXR1cm4gZG1hX2FzeW5jX2lzX2NvbXBsZXRlKGNvb2tpZSwgY29tcGxldGUsIHVzZWQpOwog fQpAQCAtODcsNiArODgsMTIgQEAgc3RhdGljIGlubGluZSB2b2lkIGRtYV9zZXRfcmVzaWR1ZShz dHJ1Y3QgZG1hX3R4X3N0YXRlICpzdGF0ZSwgdTMyIHJlc2lkdWUpCiAJCXN0YXRlLT5yZXNpZHVl ID0gcmVzaWR1ZTsKIH0KIAorc3RhdGljIGlubGluZSB2b2lkIGRtYV9zZXRfY2FjaGVkKHN0cnVj dCBkbWFfdHhfc3RhdGUgKnN0YXRlLCB1MzIgY2FjaGVkKQoreworCWlmIChzdGF0ZSkKKwkJc3Rh dGUtPmNhY2hlZCA9IGNhY2hlZDsKK30KKwogc3RydWN0IGRtYWVuZ2luZV9kZXNjX2NhbGxiYWNr IHsKIAlkbWFfYXN5bmNfdHhfY2FsbGJhY2sgY2FsbGJhY2s7CiAJZG1hX2FzeW5jX3R4X2NhbGxi YWNrX3Jlc3VsdCBjYWxsYmFja19yZXN1bHQ7CmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L2Rt YWVuZ2luZS5oIGIvaW5jbHVkZS9saW51eC9kbWFlbmdpbmUuaAppbmRleCAxMGZmNzFiMTNlZWYu LjE2YzlkMDIxOTg4YSAxMDA2NDQKLS0tIGEvaW5jbHVkZS9saW51eC9kbWFlbmdpbmUuaAorKysg Yi9pbmNsdWRlL2xpbnV4L2RtYWVuZ2luZS5oCkBAIC03MDEsMTEgKzcwMSwxMyBAQCBzdGF0aWMg aW5saW5lIHN0cnVjdCBkbWFfYXN5bmNfdHhfZGVzY3JpcHRvciAqdHhkX25leHQoc3RydWN0IGRt YV9hc3luY190eF9kZXNjcgogICogQHJlc2lkdWU6IHRoZSByZW1haW5pbmcgbnVtYmVyIG9mIGJ5 dGVzIGxlZnQgdG8gdHJhbnNtaXQKICAqCW9uIHRoZSBzZWxlY3RlZCB0cmFuc2ZlciBmb3Igc3Rh dGVzIERNQV9JTl9QUk9HUkVTUyBhbmQKICAqCURNQV9QQVVTRUQgaWYgdGhpcyBpcyBpbXBsZW1l bnRlZCBpbiB0aGUgZHJpdmVyLCBlbHNlIDAKKyAqIEBjYWNoZWQ6IGFtb3VudCBvZiBkYXRhIGlu IGJ5dGVzIGNhY2hlZCBieSB0aGUgRE1BLgogICovCiBzdHJ1Y3QgZG1hX3R4X3N0YXRlIHsKIAlk bWFfY29va2llX3QgbGFzdDsKIAlkbWFfY29va2llX3QgdXNlZDsKIAl1MzIgcmVzaWR1ZTsKKwl1 MzIgY2FjaGVkOwogfTsKIAogLyoqCg==