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Fri, 14 Jun 2019 03:09:18 -0700 (PDT) Subject: Re: [bug report] ACPI: Add new IORT functions to support MSI domain handling To: Hanjun Guo , Robin Murphy , Dan Carpenter References: <20190613065410.GB16334@mwanda> <425b5d78-b38f-270b-94e2-7ece1e5498e5@arm.com> <5f9fecb1-66de-b550-3f8e-097795a08efe@huawei.com> From: Tomasz Nowicki Message-ID: <40cc7b22-d5e6-ffcf-d6ec-a74f3fbe906c@semihalf.com> Date: Fri, 14 Jun 2019 12:09:17 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <5f9fecb1-66de-b550-3f8e-097795a08efe@huawei.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190614_030921_890956_8DDECCB1 X-CRM114-Status: GOOD ( 19.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-acpi@vger.kernel.org, Lorenzo Pieralisi , linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMTQuMDYuMjAxOSAwMzowMywgSGFuanVuIEd1byB3cm90ZToKPiBPbiAyMDE5LzYvMTMgMTc6 MzAsIFJvYmluIE11cnBoeSB3cm90ZToKPj4gT24gMTMvMDYvMjAxOSAwNzo1NCwgRGFuIENhcnBl bnRlciB3cm90ZToKPj4+IEhlbGxvIFRvbWFzeiBOb3dpY2tpLAo+Pj4KPj4+IFRoZSBwYXRjaCA0 YmYyZWZkMjZkNzY6ICJBQ1BJOiBBZGQgbmV3IElPUlQgZnVuY3Rpb25zIHRvIHN1cHBvcnQgTVNJ Cj4+PiBkb21haW4gaGFuZGxpbmciIGZyb20gU2VwIDEyLCAyMDE2LCBsZWFkcyB0byB0aGUgZm9s bG93aW5nIHN0YXRpYwo+Pj4gY2hlY2tlciB3YXJuaW5nOgo+Pj4KPj4+ICDCoMKgwqDCoGRyaXZl cnMvYWNwaS9hcm02NC9pb3J0LmM6NjI4IGlvcnRfZGV2X2ZpbmRfaXRzX2lkKCkKPj4+ICDCoMKg wqDCoHdhcm46IGFycmF5IG9mZiBieSBvbmU/ICdpdHMtPmlkZW50aWZpZXJzW2lkeF0nCj4+Pgo+ Pj4gZHJpdmVycy9hY3BpL2FybTY0L2lvcnQuYwo+Pj4gIMKgwqDCoCA1ODnCoCAvKioKPj4+ICDC oMKgwqAgNTkwwqDCoCAqIGlvcnRfZGV2X2ZpbmRfaXRzX2lkKCkgLSBGaW5kIHRoZSBJVFMgaWRl bnRpZmllciBmb3IgYSBkZXZpY2UKPj4+ICDCoMKgwqAgNTkxwqDCoCAqIEBkZXY6IFRoZSBkZXZp Y2UuCj4+PiAgwqDCoMKgIDU5MsKgwqAgKiBAcmVxX2lkOiBEZXZpY2UncyByZXF1ZXN0ZXIgSUQK Pj4+ICDCoMKgwqAgNTkzwqDCoCAqIEBpZHg6IEluZGV4IG9mIHRoZSBJVFMgaWRlbnRpZmllciBs aXN0Lgo+Pj4gIMKgwqDCoCA1OTTCoMKgICogQGl0c19pZDogSVRTIGlkZW50aWZpZXIuCj4+PiAg wqDCoMKgIDU5NcKgwqAgKgo+Pj4gIMKgwqDCoCA1OTbCoMKgICogUmV0dXJuczogMCBvbiBzdWNj ZXNzLCBhcHByb3ByaWF0ZSBlcnJvciB2YWx1ZSBvdGhlcndpc2UKPj4+ICDCoMKgwqAgNTk3wqDC oCAqLwo+Pj4gIMKgwqDCoCA1OTjCoCBzdGF0aWMgaW50IGlvcnRfZGV2X2ZpbmRfaXRzX2lkKHN0 cnVjdCBkZXZpY2UgKmRldiwgdTMyIHJlcV9pZCwKPj4+ICDCoMKgwqAgNTk5wqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHVu c2lnbmVkIGludCBpZHgsIGludCAqaXRzX2lkKQo+Pj4gIMKgwqDCoCA2MDDCoCB7Cj4+PiAgwqDC oMKgIDYwMcKgwqDCoMKgwqDCoMKgwqDCoCBzdHJ1Y3QgYWNwaV9pb3J0X2l0c19ncm91cCAqaXRz Owo+Pj4gIMKgwqDCoCA2MDLCoMKgwqDCoMKgwqDCoMKgwqAgc3RydWN0IGFjcGlfaW9ydF9ub2Rl ICpub2RlOwo+Pj4gIMKgwqDCoCA2MDMKPj4+ICDCoMKgwqAgNjA0wqDCoMKgwqDCoMKgwqDCoMKg IG5vZGUgPSBpb3J0X2ZpbmRfZGV2X25vZGUoZGV2KTsKPj4+ICDCoMKgwqAgNjA1wqDCoMKgwqDC oMKgwqDCoMKgIGlmICghbm9kZSkKPj4+ICDCoMKgwqAgNjA2wqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoCByZXR1cm4gLUVOWElPOwo+Pj4gIMKgwqDCoCA2MDcKPj4+ICDCoMKgwqAg NjA4wqDCoMKgwqDCoMKgwqDCoMKgIG5vZGUgPSBpb3J0X25vZGVfbWFwX2lkKG5vZGUsIHJlcV9p ZCwgTlVMTCwgSU9SVF9NU0lfVFlQRSk7Cj4+PiAgwqDCoMKgIDYwOcKgwqDCoMKgwqDCoMKgwqDC oCBpZiAoIW5vZGUpCj4+PiAgwqDCoMKgIDYxMMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqAgcmV0dXJuIC1FTlhJTzsKPj4+ICDCoMKgwqAgNjExCj4+PiAgwqDCoMKgIDYxMsKgwqDC oMKgwqDCoMKgwqDCoCAvKiBNb3ZlIHRvIElUUyBzcGVjaWZpYyBkYXRhICovCj4+PiAgwqDCoMKg IDYxM8KgwqDCoMKgwqDCoMKgwqDCoCBpdHMgPSAoc3RydWN0IGFjcGlfaW9ydF9pdHNfZ3JvdXAg Kilub2RlLT5ub2RlX2RhdGE7Cj4+PiAgwqDCoMKgIDYxNMKgwqDCoMKgwqDCoMKgwqDCoCBpZiAo aWR4ID4gaXRzLT5pdHNfY291bnQpIHsKPj4+ICDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgIF5eXl5eXl5eXl5eXl5eXl5eXl5eCj4+PiBJIHdhc24ndCBhYmxlIHRvIGZp bmQgYW55IGluZm9ybWF0aW9uIGFib3V0IGhvdyBpdHMtPml0c19jb3VudCBpcyBzZXQKPj4+IGJ1 dCBpdCBsb29rcyB0byBtZSB0aGF0IGlzIG9mZiBieSBvbmUuCj4+Cj4+IGl0cy0+Y291bnQgaXMg cmVhZCBkaXJlY3RseSBmcm9tIHRoZSBmaXJtd2FyZSB0YWJsZS4gQ3VycmVudGx5IGl0IHNlZW1z IHRoaXMgY29uZGl0aW9uIGNhbiBuZXZlciBiZSBoaXQgYW55d2F5LCBzaW5jZSB0aGlzIGlzIG9u bHkgZXZlciBjYWxsZWQgd2l0aCBpZHggPT0gMC4gVEJIIEkgY2FuJ3QgcmVhbGx5IHNlZSBob3cg dGhlIGNvZGUgY291bGQgZXZvbHZlIHN1Y2ggdGhhdCB0aGlzIGNoZWNrIHNob3VsZCBldmVyIGJl IG5lY2Vzc2FyeSAoaS5lLiBpdCBtYWtlcyBubyBzZW5zZSBmb3IgY2FsbGVycyB0byBwdWxsIGlk eCB2YWx1ZXMgb3V0IGlmIHRoaW4gYWlyLCBzbyB0aGV5J2QgcHJlc3VtYWJseSBlbmQgdXAgYmVp bmcgZGVyaXZlZCBmcm9tIGl0cy0+Y291bnQgaW4gdGhlIGZpcnN0IHBsYWNlKSwgYnV0IGlmIHdl IGFyZSBnb2luZyB0byBoYXZlIGl0IHRoZW4gSSBhZ3JlZSBpdCBzaG91bGQgYmUgIj49Ii4KPiAK PiBGb3Igbm93IHNlZW1zIHdlIG9ubHkgZ290IHN5c3RlbXMgd2hpY2ggbWFwIGEgZGV2aWNlIHRv IGEgc2luZ2xlCj4gSVRTLCBidXQgaW4gdGhlIElPUlQgc3BlYywgaXQgYXNzdW1lcyB0aGF0IG1h eWJlIHRoZXJlIGlzIGEgSVRTIGdyb3VwCj4gZm9yIG1hcHBpbmcsIHNvIEkgdGhpbmsgd2UgY2Fu IGp1c3QgdXNlICI+PSIgYXMgeW91IHN1Z2dlc3RlZCB0bwo+IGFsaWduIHdpdGggdGhlIHNwZWMu Cj4gCgpZZXMsIHNob3VsZCBiZSAiPj0iIGFuZCB0aGUgZXJyb3IgbWFzc2FnZSBzaG91bGQgYmUg Zml4ZWQgYXMgd2VsbDoKCi8qIE1vdmUgdG8gSVRTIHNwZWNpZmljIGRhdGEgKi8KaXRzID0gKHN0 cnVjdCBhY3BpX2lvcnRfaXRzX2dyb3VwICopbm9kZS0+bm9kZV9kYXRhOwppZiAoaWR4ID49IGl0 cy0+aXRzX2NvdW50KSB7CiAgICAgICAgIGRldl9lcnIoZGV2LCAicmVxdWVzdGVkIElUUyBJRCBp bmRleCBbJWRdIGV4Y2VlZHMgbWF4IHBlcm1pdHRlZCAKWyVkXSBpbmRleFxuIiwKICAgICAgICAg ICAgICAgICBpZHgsIGl0cy0+aXRzX2NvdW50IC0gMSk7CiAgICAgICAgIHJldHVybiAtRU5YSU87 Cn0KClRoYW5rcywKVG9tYXN6CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5l bEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4v bGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=