From mboxrd@z Thu Jan 1 00:00:00 1970 From: Feng Wu Subject: [PATCH v3 5/6] VT-d: No need to set irq affinity for posted format IRTE Date: Wed, 31 Aug 2016 11:56:30 +0800 Message-ID: <1472615791-8664-6-git-send-email-feng.wu@intel.com> References: <1472615791-8664-1-git-send-email-feng.wu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1472615791-8664-1-git-send-email-feng.wu@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: kevin.tian@intel.com, Feng Wu , george.dunlap@eu.citrix.com, andrew.cooper3@citrix.com, dario.faggioli@citrix.com, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org V2UgZG9uJ3Qgc2V0IHRoZSBhZmZpbml0eSBmb3IgcG9zdGVkIGZvcm1hdCBJUlRFLCBzaW5jZSB0 aGUKZGVzdGluYXRpb24gb2YgdGhlc2UgaW50ZXJydXB0cyBpcyB2Q1BVIGFuZCB0aGUgdkNQVSBh ZmZpbml0eQppcyBzZXQgZHVyaW5nIHZDUFUgc2NoZWR1bGluZy4KClNpZ25lZC1vZmYtYnk6IEZl bmcgV3UgPGZlbmcud3VAaW50ZWwuY29tPgotLS0KIHhlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL3Z0 ZC9pbnRyZW1hcC5jIHwgNjIgKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tLQogMSBm aWxlIGNoYW5nZWQsIDM0IGluc2VydGlvbnMoKyksIDI4IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdp dCBhL3hlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL3Z0ZC9pbnRyZW1hcC5jIGIveGVuL2RyaXZlcnMv cGFzc3Rocm91Z2gvdnRkL2ludHJlbWFwLmMKaW5kZXggYmZkNDY4Yi4uMjA4M2VlMiAxMDA2NDQK LS0tIGEveGVuL2RyaXZlcnMvcGFzc3Rocm91Z2gvdnRkL2ludHJlbWFwLmMKKysrIGIveGVuL2Ry aXZlcnMvcGFzc3Rocm91Z2gvdnRkL2ludHJlbWFwLmMKQEAgLTU5NSwzMyArNTk1LDM2IEBAIHN0 YXRpYyBpbnQgbXNpX21zZ190b19yZW1hcF9lbnRyeSgKICAgICBHRVRfSVJFTUFQX0VOVFJZKGly X2N0cmwtPmlyZW1hcF9tYWRkciwgaW5kZXgsCiAgICAgICAgICAgICAgICAgICAgICBpcmVtYXBf ZW50cmllcywgaXJlbWFwX2VudHJ5KTsKIAotICAgIG1lbWNweSgmbmV3X2lyZSwgaXJlbWFwX2Vu dHJ5LCBzaXplb2Yoc3RydWN0IGlyZW1hcF9lbnRyeSkpOworICAgIGlmICggIWlyZW1hcF9lbnRy eS0+cmVtYXAucCB8fCAhaXJlbWFwX2VudHJ5LT5yZW1hcC5pbSApCisgICAgeworICAgICAgICBt ZW1jcHkoJm5ld19pcmUsIGlyZW1hcF9lbnRyeSwgc2l6ZW9mKHN0cnVjdCBpcmVtYXBfZW50cnkp KTsKIAotICAgIC8qIFNldCBpbnRlcnJ1cHQgcmVtYXBwaW5nIHRhYmxlIGVudHJ5ICovCi0gICAg bmV3X2lyZS5yZW1hcC5mcGQgPSAwOwotICAgIG5ld19pcmUucmVtYXAuZG0gPSAobXNnLT5hZGRy ZXNzX2xvID4+IE1TSV9BRERSX0RFU1RNT0RFX1NISUZUKSAmIDB4MTsKLSAgICBuZXdfaXJlLnJl bWFwLnRtID0gKG1zZy0+ZGF0YSA+PiBNU0lfREFUQV9UUklHR0VSX1NISUZUKSAmIDB4MTsKLSAg ICBuZXdfaXJlLnJlbWFwLmRsbSA9IChtc2ctPmRhdGEgPj4gTVNJX0RBVEFfREVMSVZFUllfTU9E RV9TSElGVCkgJiAweDE7Ci0gICAgLyogSGFyZHdhcmUgcmVxdWlyZSBSSCA9IDEgZm9yIExQUiBk ZWxpdmVyeSBtb2RlICovCi0gICAgbmV3X2lyZS5yZW1hcC5yaCA9IChuZXdfaXJlLnJlbWFwLmRs bSA9PSBkZXN0X0xvd2VzdFByaW8pOwotICAgIG5ld19pcmUucmVtYXAuYXZhaWwgPSAwOwotICAg IG5ld19pcmUucmVtYXAucmVzXzEgPSAwOwotICAgIG5ld19pcmUucmVtYXAudmVjdG9yID0gKG1z Zy0+ZGF0YSA+PiBNU0lfREFUQV9WRUNUT1JfU0hJRlQpICYKLSAgICAgICAgICAgICAgICAgICAg ICAgICAgICBNU0lfREFUQV9WRUNUT1JfTUFTSzsKLSAgICBuZXdfaXJlLnJlbWFwLnJlc18yID0g MDsKLSAgICBpZiAoIHgyYXBpY19lbmFibGVkICkKLSAgICAgICAgbmV3X2lyZS5yZW1hcC5kc3Qg PSBtc2ctPmRlc3QzMjsKLSAgICBlbHNlCi0gICAgICAgIG5ld19pcmUucmVtYXAuZHN0ID0gKCht c2ctPmFkZHJlc3NfbG8gPj4gTVNJX0FERFJfREVTVF9JRF9TSElGVCkKLSAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgJiAweGZmKSA8PCA4OworICAgICAgICAvKiBTZXQgaW50ZXJydXB0IHJl bWFwcGluZyB0YWJsZSBlbnRyeSAqLworICAgICAgICBuZXdfaXJlLnJlbWFwLmZwZCA9IDA7Cisg ICAgICAgIG5ld19pcmUucmVtYXAuZG0gPSAobXNnLT5hZGRyZXNzX2xvID4+IE1TSV9BRERSX0RF U1RNT0RFX1NISUZUKSAmIDB4MTsKKyAgICAgICAgbmV3X2lyZS5yZW1hcC50bSA9IChtc2ctPmRh dGEgPj4gTVNJX0RBVEFfVFJJR0dFUl9TSElGVCkgJiAweDE7CisgICAgICAgIG5ld19pcmUucmVt YXAuZGxtID0gKG1zZy0+ZGF0YSA+PiBNU0lfREFUQV9ERUxJVkVSWV9NT0RFX1NISUZUKSAmIDB4 MTsKKyAgICAgICAgLyogSGFyZHdhcmUgcmVxdWlyZSBSSCA9IDEgZm9yIExQUiBkZWxpdmVyeSBt b2RlICovCisgICAgICAgIG5ld19pcmUucmVtYXAucmggPSAobmV3X2lyZS5yZW1hcC5kbG0gPT0g ZGVzdF9Mb3dlc3RQcmlvKTsKKyAgICAgICAgbmV3X2lyZS5yZW1hcC5hdmFpbCA9IDA7CisgICAg ICAgIG5ld19pcmUucmVtYXAucmVzXzEgPSAwOworICAgICAgICBuZXdfaXJlLnJlbWFwLnZlY3Rv ciA9IChtc2ctPmRhdGEgPj4gTVNJX0RBVEFfVkVDVE9SX1NISUZUKSAmCisgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgIE1TSV9EQVRBX1ZFQ1RPUl9NQVNLOworICAgICAgICBuZXdfaXJl LnJlbWFwLnJlc18yID0gMDsKKyAgICAgICAgaWYgKCB4MmFwaWNfZW5hYmxlZCApCisgICAgICAg ICAgICBuZXdfaXJlLnJlbWFwLmRzdCA9IG1zZy0+ZGVzdDMyOworICAgICAgICBlbHNlCisgICAg ICAgICAgICBuZXdfaXJlLnJlbWFwLmRzdCA9ICgobXNnLT5hZGRyZXNzX2xvID4+IE1TSV9BRERS X0RFU1RfSURfU0hJRlQpCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAmIDB4ZmYp IDw8IDg7CiAKLSAgICBpZiAoIHBkZXYgKQotICAgICAgICBzZXRfbXNpX3NvdXJjZV9pZChwZGV2 LCAmbmV3X2lyZSk7Ci0gICAgZWxzZQotICAgICAgICBzZXRfaHBldF9zb3VyY2VfaWQobXNpX2Rl c2MtPmhwZXRfaWQsICZuZXdfaXJlKTsKLSAgICBuZXdfaXJlLnJlbWFwLnJlc18zID0gMDsKLSAg ICBuZXdfaXJlLnJlbWFwLnJlc180ID0gMDsKLSAgICBuZXdfaXJlLnJlbWFwLnAgPSAxOyAgICAv KiBmaW5hbGx5LCBzZXQgcHJlc2VudCBiaXQgKi8KKyAgICAgICAgaWYgKCBwZGV2ICkKKyAgICAg ICAgICAgIHNldF9tc2lfc291cmNlX2lkKHBkZXYsICZuZXdfaXJlKTsKKyAgICAgICAgZWxzZQor ICAgICAgICAgICAgc2V0X2hwZXRfc291cmNlX2lkKG1zaV9kZXNjLT5ocGV0X2lkLCAmbmV3X2ly ZSk7CisgICAgICAgIG5ld19pcmUucmVtYXAucmVzXzMgPSAwOworICAgICAgICBuZXdfaXJlLnJl bWFwLnJlc180ID0gMDsKKyAgICAgICAgbmV3X2lyZS5yZW1hcC5wID0gMTsgICAgLyogZmluYWxs eSwgc2V0IHByZXNlbnQgYml0ICovCisgICAgfQogCiAgICAgLyogbm93IGNvbnN0cnVjdCBuZXcg TVNJL01TSS1YIHJ0ZSBlbnRyeSAqLwogICAgIHJlbWFwX3J0ZSA9IChzdHJ1Y3QgbXNpX21zZ19y ZW1hcF9lbnRyeSAqKW1zZzsKQEAgLTYzNyw5ICs2NDAsMTIgQEAgc3RhdGljIGludCBtc2lfbXNn X3RvX3JlbWFwX2VudHJ5KAogICAgIHJlbWFwX3J0ZS0+YWRkcmVzc19oaSA9IDA7CiAgICAgcmVt YXBfcnRlLT5kYXRhID0gaW5kZXggLSBpOwogCi0gICAgbWVtY3B5KGlyZW1hcF9lbnRyeSwgJm5l d19pcmUsIHNpemVvZihzdHJ1Y3QgaXJlbWFwX2VudHJ5KSk7Ci0gICAgaW9tbXVfZmx1c2hfY2Fj aGVfZW50cnkoaXJlbWFwX2VudHJ5LCBzaXplb2Yoc3RydWN0IGlyZW1hcF9lbnRyeSkpOwotICAg IGlvbW11X2ZsdXNoX2llY19pbmRleChpb21tdSwgMCwgaW5kZXgpOworICAgIGlmICggIWlyZW1h cF9lbnRyeS0+cmVtYXAucCB8fCAhaXJlbWFwX2VudHJ5LT5yZW1hcC5pbSApCisgICAgeworICAg ICAgICBtZW1jcHkoaXJlbWFwX2VudHJ5LCAmbmV3X2lyZSwgc2l6ZW9mKHN0cnVjdCBpcmVtYXBf ZW50cnkpKTsKKyAgICAgICAgaW9tbXVfZmx1c2hfY2FjaGVfZW50cnkoaXJlbWFwX2VudHJ5LCBz aXplb2Yoc3RydWN0IGlyZW1hcF9lbnRyeSkpOworICAgICAgICBpb21tdV9mbHVzaF9pZWNfaW5k ZXgoaW9tbXUsIDAsIGluZGV4KTsKKyAgICB9CiAKICAgICB1bm1hcF92dGRfZG9tYWluX3BhZ2Uo aXJlbWFwX2VudHJpZXMpOwogICAgIHNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJmlyX2N0cmwtPmly ZW1hcF9sb2NrLCBmbGFncyk7Ci0tIAoyLjEuMAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxp c3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=