From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: [PATCH v5 06/13] x86/domctl: Handle ACPI access from domctl Date: Fri, 16 Dec 2016 18:18:32 -0500 Message-ID: <1481930319-4796-7-git-send-email-boris.ostrovsky@oracle.com> References: <1481930319-4796-1-git-send-email-boris.ostrovsky@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1481930319-4796-1-git-send-email-boris.ostrovsky@oracle.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: wei.liu2@citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, jbeulich@suse.com, Boris Ostrovsky , roger.pau@citrix.com List-Id: xen-devel@lists.xenproject.org U2lnbmVkLW9mZi1ieTogQm9yaXMgT3N0cm92c2t5IDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNv bT4KLS0tCkNoYW5nZXMgaW4gdjU6CiogQ29kZSBtb3ZlbWVudCBkdWUgdG8gY2hhbmdlcyBpbiBw YXRjaCA0CgogeGVuL2FyY2gveDg2L2h2bS9hY3BpLmMgfCA2NCArKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgNTUgaW5zZXJ0 aW9ucygrKSwgOSBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvaHZtL2Fj cGkuYyBiL3hlbi9hcmNoL3g4Ni9odm0vYWNwaS5jCmluZGV4IGIyMjk5YTQuLjA0NDY5OWQgMTAw NjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9odm0vYWNwaS5jCisrKyBiL3hlbi9hcmNoL3g4Ni9odm0v YWNwaS5jCkBAIC03LDkgKzcsMTEgQEAKICNpbmNsdWRlIDx4ZW4vbGliLmg+CiAjaW5jbHVkZSA8 eGVuL3NjaGVkLmg+CiAKKyNpbmNsdWRlIDxhc20vZ3Vlc3RfYWNjZXNzLmg+CisKICNpbmNsdWRl IDxwdWJsaWMvYXJjaC14ODYveGVuLmg+CiAKLXN0YXRpYyBpbnQgYWNwaV9jcHVtYXBfYWNjZXNz X2NvbW1vbihzdHJ1Y3QgZG9tYWluICpkLAorc3RhdGljIGludCBhY3BpX2NwdW1hcF9hY2Nlc3Nf Y29tbW9uKHN0cnVjdCBkb21haW4gKmQsIGJvb2wgaXNfZ3Vlc3RfYWNjZXNzLAogICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgIGludCBkaXIsIHVuc2lnbmVkIGludCBwb3J0LAog ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHVuc2lnbmVkIGludCBieXRlcywg dWludDMyX3QgKnZhbCkKIHsKQEAgLTMyLDE0ICszNCwxNSBAQCBzdGF0aWMgaW50IGFjcGlfY3B1 bWFwX2FjY2Vzc19jb21tb24oc3RydWN0IGRvbWFpbiAqZCwKICAgICAgICAgICAgIG1lbWNweSh2 YWwsICh1aW50OF90ICopZC0+YXZhaWxfdmNwdXMgKyBmaXJzdF9ieXRlLAogICAgICAgICAgICAg ICAgICAgIG1pbihieXRlcywgKChkLT5tYXhfdmNwdXMgKyA3KSAvIDgpIC0gZmlyc3RfYnl0ZSkp OwogICAgIH0KLSAgICBlbHNlCisgICAgZWxzZSBpZiAoICFpc19ndWVzdF9hY2Nlc3MgKQogICAg ICAgICAvKiBHdWVzdHMgZG8gbm90IHdyaXRlIENQVSBtYXAgKi8KLSAgICAgICAgcmV0dXJuIFg4 NkVNVUxfVU5IQU5ETEVBQkxFOworICAgICAgICBtZW1jcHkoKHVpbnQ4X3QgKilkLT5hdmFpbF92 Y3B1cyArIGZpcnN0X2J5dGUsIHZhbCwKKyAgICAgICAgICAgICAgIG1pbihieXRlcywgKChkLT5t YXhfdmNwdXMgKyA3KSAvIDgpIC0gZmlyc3RfYnl0ZSkpOwogCiAgICAgcmV0dXJuIFg4NkVNVUxf T0tBWTsKIH0KIAotc3RhdGljIGludCBhY3BpX2FjY2Vzc19jb21tb24oc3RydWN0IGRvbWFpbiAq ZCwKK3N0YXRpYyBpbnQgYWNwaV9hY2Nlc3NfY29tbW9uKHN0cnVjdCBkb21haW4gKmQsIGJvb2wg aXNfZ3Vlc3RfYWNjZXNzLAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgaW50IGRpciwg dW5zaWduZWQgaW50IHBvcnQsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICB1bnNpZ25l ZCBpbnQgYnl0ZXMsIHVpbnQzMl90ICp2YWwpCiB7CkBAIC05NiwxNCArOTksMjAgQEAgc3RhdGlj IGludCBhY3BpX2FjY2Vzc19jb21tb24oc3RydWN0IGRvbWFpbiAqZCwKICAgICAgICAgc3dpdGNo ICggcG9ydCAmIDMgKQogICAgICAgICB7CiAgICAgICAgIGNhc2UgMDoKLSAgICAgICAgICAgICpz dHMgJj0gfih2ICYgMHhmZik7CisgICAgICAgICAgICBpZiAoIGlzX2d1ZXN0X2FjY2VzcyApCisg ICAgICAgICAgICAgICAgKnN0cyAmPSB+KHYgJiAweGZmKTsKKyAgICAgICAgICAgIGVsc2UKKyAg ICAgICAgICAgICAgICAqc3RzID0gKCpzdHMgJiAweGZmMDApIHwgKHYgJiAweGZmKTsKICAgICAg ICAgICAgICpzdHMgJj0gKm1hc2tfc3RzOwogICAgICAgICAgICAgaWYgKCAhLS1ieXRlcyApCiAg ICAgICAgICAgICAgICAgYnJlYWs7CiAgICAgICAgICAgICB2ID4+PSA4OwogICAgICAgICAgICAg LyogZmFsbHRocm91Z2ggKi8KICAgICAgICAgY2FzZSAxOgotICAgICAgICAgICAgKnN0cyAmPSB+ KCh2ICYgMHhmZikgPDwgOCk7CisgICAgICAgICAgICBpZiAoIGlzX2d1ZXN0X2FjY2VzcyApCisg ICAgICAgICAgICAgICAgKnN0cyAmPSB+KCh2ICYgMHhmZikgPDwgOCk7CisgICAgICAgICAgICBl bHNlCisgICAgICAgICAgICAgICAgKnN0cyA9ICgodiAmIDB4ZmYpIDw8IDgpIHwgKCpzdHMgJiAw eGZmKTsKICAgICAgICAgICAgICpzdHMgJj0gKm1hc2tfc3RzOwogICAgICAgICAgICAgaWYgKCAh LS1ieXRlcyApCiAgICAgICAgICAgICAgICAgYnJlYWs7CkBAIC0xMjksMTMgKzEzOCw1MCBAQCBp bnQgaHZtX2FjcGlfZG9tY3RsX2FjY2VzcyhzdHJ1Y3QgZG9tYWluICpkLCB1aW50OF90IHJ3LAog ICAgICAgICAgICAgICAgICAgICAgICAgICAgY29uc3QgeGVuX2FjcGlfYWNjZXNzX3QgKmFjY2Vz cywKICAgICAgICAgICAgICAgICAgICAgICAgICAgIFhFTl9HVUVTVF9IQU5ETEVfUEFSQU0odm9p ZCkgYXJnKQogewotICAgIHJldHVybiAtRU5PU1lTOworICAgIHVuc2lnbmVkIGludCBieXRlcywg aTsKKyAgICB1aW50MzJfdCB2YWw7CisgICAgdWludDhfdCAqcHRyID0gKHVpbnQ4X3QgKikmdmFs OworICAgIGludCByYzsKKyAgICBpbnQgKCpkb19hY3BpX2FjY2Vzcykoc3RydWN0IGRvbWFpbiAq ZCwgYm9vbCBpc19ndWVzdF9hY2Nlc3MsCisgICAgICAgICAgICAgICAgICAgICAgICAgIGludCBk aXIsIHVuc2lnbmVkIGludCBwb3J0LAorICAgICAgICAgICAgICAgICAgICAgICAgICB1bnNpZ25l ZCBpbnQgYnl0ZXMsIHVpbnQzMl90ICp2YWwpOworCisgICAgaWYgKCBoYXNfYWNwaV9kbV9mZihk KSApCisgICAgICAgIHJldHVybiAtRUlOVkFMOworCisgICAgaWYgKCBhY2Nlc3MtPnNwYWNlX2lk ICE9IFhFTl9BQ1BJX1NZU1RFTV9JTyApCisgICAgICAgIHJldHVybiAtRUlOVkFMOworCisgICAg aWYgKCAoYWNjZXNzLT5hZGRyZXNzID49IFhFTl9BQ1BJX0NQVV9NQVApICYmCisgICAgICAgICAo YWNjZXNzLT5hZGRyZXNzIDwgWEVOX0FDUElfQ1BVX01BUCArIFhFTl9BQ1BJX0NQVV9NQVBfTEVO KSApCisgICAgICAgIGRvX2FjcGlfYWNjZXNzID0gYWNwaV9jcHVtYXBfYWNjZXNzX2NvbW1vbjsK KyAgICBlbHNlCisgICAgICAgIGRvX2FjcGlfYWNjZXNzID0gYWNwaV9hY2Nlc3NfY29tbW9uOwor CisgICAgZm9yICggaSA9IDA7IGkgPCBhY2Nlc3MtPndpZHRoOyBpICs9IHNpemVvZih2YWwpICkK KyAgICB7CisgICAgICAgIGJ5dGVzID0gKGFjY2Vzcy0+d2lkdGggLSBpID4gc2l6ZW9mKHZhbCkp ID8gc2l6ZW9mKHZhbCkgOiBhY2Nlc3MtPndpZHRoIC0gaTsKKworICAgICAgICBpZiAoIChydyA9 PSBYRU5fRE9NQ1RMX0FDUElfV1JJVEUpICYmCisgICAgICAgICAgICAgY29weV9mcm9tX2d1ZXN0 X29mZnNldChwdHIsIGFyZywgaSwgYnl0ZXMpICkKKyAgICAgICAgICAgIHJldHVybiAtRUZBVUxU OworCisgICAgICAgIHJjID0gZG9fYWNwaV9hY2Nlc3MoZCwgZmFsc2UsIHJ3LCBhY2Nlc3MtPmFk ZHJlc3MsIGJ5dGVzLCAmdmFsKTsKKyAgICAgICAgaWYgKCByYyApCisgICAgICAgICAgICByZXR1 cm4gcmM7CisKKyAgICAgICAgaWYgKCAocncgPT0gWEVOX0RPTUNUTF9BQ1BJX1JFQUQpICYmCisg ICAgICAgICAgICAgY29weV90b19ndWVzdF9vZmZzZXQoYXJnLCBpLCBwdHIsIGJ5dGVzKSApCisg ICAgICAgICAgICByZXR1cm4gLUVGQVVMVDsKKyAgICB9CisKKyAgICByZXR1cm4gMDsKIH0KIAog c3RhdGljIGludCBhY3BpX2d1ZXN0X2FjY2VzcyhpbnQgZGlyLCB1bnNpZ25lZCBpbnQgcG9ydCwK ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdW5zaWduZWQgaW50IGJ5dGVzLCB1aW50MzJf dCAqdmFsKQogewotICAgIHJldHVybiAgYWNwaV9hY2Nlc3NfY29tbW9uKGN1cnJlbnQtPmRvbWFp biwKKyAgICByZXR1cm4gIGFjcGlfYWNjZXNzX2NvbW1vbihjdXJyZW50LT5kb21haW4sIHRydWUs CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgKGRpciA9PSBJT1JFUV9SRUFEKSA/CiAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgWEVOX0RPTUNUTF9BQ1BJX1JFQUQ6IFhFTl9E T01DVExfQUNQSV9XUklURSwKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBwb3J0LCBi eXRlcywgdmFsKTsKQEAgLTE0NCw3ICsxOTAsNyBAQCBzdGF0aWMgaW50IGFjcGlfZ3Vlc3RfYWNj ZXNzKGludCBkaXIsIHVuc2lnbmVkIGludCBwb3J0LAogc3RhdGljIGludCBhY3BpX2NwdW1hcF9n dWVzdF9hY2Nlc3MoaW50IGRpciwgdW5zaWduZWQgaW50IHBvcnQsCiAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICB1bnNpZ25lZCBpbnQgYnl0ZXMsIHVpbnQzMl90ICp2YWwpCiB7 Ci0gICAgcmV0dXJuICBhY3BpX2NwdW1hcF9hY2Nlc3NfY29tbW9uKGN1cnJlbnQtPmRvbWFpbiwK KyAgICByZXR1cm4gIGFjcGlfY3B1bWFwX2FjY2Vzc19jb21tb24oY3VycmVudC0+ZG9tYWluLCB0 cnVlLAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAoZGlyID09IElPUkVR X1JFQUQpID8KICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgWEVOX0RPTUNU TF9BQ1BJX1JFQUQ6IFhFTl9ET01DVExfQUNQSV9XUklURSwKICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgcG9ydCwgYnl0ZXMsIHZhbCk7Ci0tIAoyLjcuNAoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1k ZXZlbAo=