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: EDAC, ghes: use CPER module handles to locate DIMMs From: James Morse Message-Id: Date: Thu, 30 Aug 2018 11:48:16 +0100 To: Fan Wu Cc: mchehab@kernel.org, bp@alien8.de, baicar.tyler@gmail.com, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-ID: SGkgRmFuLAoKT24gMjkvMDgvMTggMTk6MzMsIEZhbiBXdSB3cm90ZToKPiBUaGUgY3VycmVudCBn aGVzX2VkYWMgZHJpdmVyIGRvZXMgbm90IHVwZGF0ZSBwZXItZGltbSBlcnJvcgo+IGNvdW50ZXJz IHdoZW4gcmVwb3J0aW5nIG1lbW9yeSBlcnJvcnMsIGJlY2F1c2UgdGhlcmUgaXMgbm8KPiBwbGF0 Zm9ybS1pbmRlcGVuZGVudCB3YXkgdG8gZmluZCBESU1NcyBiYXNlZCBvbiB0aGUgZXJyb3IKPiBp bmZvcm1hdGlvbiBwcm92aWRlZCBieSBmaXJtd2FyZS4KCkknZCBhcmd1ZSB0aGVyZSBpczogaXRz IGluIHRoZSBDUEVSIHJlY29yZHMsIHdlIGp1c3QgZGlkbid0IGRvIGFueXRoaW5nIHVzZWZ1bAp3 aXRoIHRoZSBpbmZvcm1hdGlvbiBpbiB0aGUgcGFzdCEKCgo+IFRoaXMgcGF0Y2ggb2ZmZXJzIGEg c29sdXRpb24KPiBmb3IgcGxhdGZvcm1zIHdob3NlIGZpcm13YXJlcyBwcm92aWRlIHZhbGlkIG1v ZHVsZSBoYW5kbGVzCj4gKFNNQklPUyB0eXBlIDE3KSBpbiBlcnJvciByZWNvcmRzLiBJbiB0aGlz IGNhc2UgZ2hlc19lZGFjIHdpbGwKPiB1c2UgdGhlIG1vZHVsZSBoYW5kbGVzIHRvIGxvY2F0ZSBE SU1NcyBhbmQgdGh1cyBtYWtlcyBwZXItZGltbQo+IGVycm9yIHJlcG9ydGluZyBwb3NzaWJsZS4K Cgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2VkYWMvZ2hlc19lZGFjLmMgYi9kcml2ZXJzL2VkYWMv Z2hlc19lZGFjLmMKPiBpbmRleCA0NzNhZWVjLi5kYjUyN2YwIDEwMDY0NAo+IC0tLSBhL2RyaXZl cnMvZWRhYy9naGVzX2VkYWMuYwo+ICsrKyBiL2RyaXZlcnMvZWRhYy9naGVzX2VkYWMuYwo+IEBA IC04MSw2ICs4MSwyNiBAQCBzdGF0aWMgdm9pZCBnaGVzX2VkYWNfY291bnRfZGltbXMoY29uc3Qg c3RydWN0IGRtaV9oZWFkZXIgKmRoLCB2b2lkICphcmcpCj4gIAkJKCpudW1fZGltbSkrKzsKPiAg fQo+ICAKPiArc3RhdGljIGludCBnaGVzX2VkYWNfZGltbV9pbmRleCh1MTYgaGFuZGxlKQo+ICt7 Cj4gKwlzdHJ1Y3QgbWVtX2N0bF9pbmZvICptY2k7Cj4gKwlpbnQgaTsKPiArCj4gKwlpZiAoIWdo ZXNfcHZ0KQo+ICsJCXJldHVybiAtMTsKCmdoZXNfZWRhY19yZXBvcnRfbWVtX2Vycm9yKCkgYWxy ZWFkeSBjaGVja2VkIHRoaXMsIGFzIGl0cyB0aGUgb25seSBjYWxsZXIgdGhlcmUKaXMgbm8gbmVl ZCB0byBjaGVjayBpdCBhZ2Fpbi4KCgo+ICsJbWNpID0gZ2hlc19wdnQtPm1jaTsKPiArCj4gKwlp ZiAoIW1jaSkKPiArCQlyZXR1cm4gLTE7CgpDYW4gdGhpcyBoYXBwZW4/IGdoZXNfZWRhY19yZXBv cnRfbWVtX2Vycm9yKCkgd291bGQgaGF2ZSBkZXJlZmVyZW5jZWQgdGhpcyBhbHJlYWR5IQoKSWYg eW91IG5lZWQgdGhlIHN0cnVjdCBtZW1fY3RsX2luZm8sIHlvdSBtYXkgYXMgd2VsbCBwYXNzIGl0 IGluIGFzIHRoZSBvbmx5CmNhbGxlciBoYXMgaXQgdG8gaGFuZC4KCgo+ICsKPiArCWZvciAoaSA9 IDA7IGkgPCBtY2ktPnRvdF9kaW1tczsgaSsrKSB7Cj4gKwkJaWYgKG1jaS0+ZGltbXNbaV0tPnNt Ymlvc19oYW5kbGUgPT0gaGFuZGxlKQo+ICsJCQlyZXR1cm4gaTsKPiArCX0KPiArCXJldHVybiAt MTsKPiArfQo+ICsKPiAgc3RhdGljIHZvaWQgZ2hlc19lZGFjX2RtaWRlY29kZShjb25zdCBzdHJ1 Y3QgZG1pX2hlYWRlciAqZGgsIHZvaWQgKmFyZykKPiAgewo+ICAJc3RydWN0IGdoZXNfZWRhY19k aW1tX2ZpbGwgKmRpbW1fZmlsbCA9IGFyZzsKPiBAQCAtMTc3LDYgKzE5Nyw4IEBAIHN0YXRpYyB2 b2lkIGdoZXNfZWRhY19kbWlkZWNvZGUoY29uc3Qgc3RydWN0IGRtaV9oZWFkZXIgKmRoLCB2b2lk ICphcmcpCj4gIAkJCQllbnRyeS0+dG90YWxfd2lkdGgsIGVudHJ5LT5kYXRhX3dpZHRoKTsKPiAg CQl9Cj4gIAo+ICsJCWRpbW0tPnNtYmlvc19oYW5kbGUgPSBlbnRyeS0+aGFuZGxlOwoKV2UgYXJl bid0IGNoZWNraW5nIGZvciBkdXBsaWNhdGUgaGFuZGxlcywgKGUuZy4gdGhleSdyZSBhbGwgemVy bykuIEkgdGhpbmsgdGhpcwppcyBmaW5lIGFzIGNoYW5jZXMgYXJlIGZpcm13YXJlIG9uIHRob3Nl IHN5c3RlbXMgd29uJ3Qgc2V0CkNQRVJfTUVNX1ZBTElEX01PRFVMRV9IQU5ETEUuIElmIGl0IGRv ZXMsIHRoZSBoYW5kbGUgaXQgZ2l2ZXMgdXMgaXMgYW1iaWd1b3VzLAphbmQgd2UgcGljayBhIGRp bW0sIGluc3RlYWQgb2Ygd2hpbmUtaW5nIGFib3V0IGJyb2tlbiBmaXJtd2FyZSB0YWJsZXMuCgoo SSdtIGp1c3QgZHJhd2luZyBhdHRlbnRpb24gdG8gaXQgaW4gY2FzZSBzb21lb25lIGRpc2FncmVl cykKCgo+ICAJCWRpbW1fZmlsbC0+Y291bnQrKzsKPiAgCX0KPiAgfQo+IEBAIC0zMjcsMTIgKzM0 OSwyMCBAQCB2b2lkIGdoZXNfZWRhY19yZXBvcnRfbWVtX2Vycm9yKGludCBzZXYsIHN0cnVjdCBj cGVyX3NlY19tZW1fZXJyICptZW1fZXJyKQo+ICAJCXAgKz0gc3ByaW50ZihwLCAiYml0X3Bvczol ZCAiLCBtZW1fZXJyLT5iaXRfcG9zKTsKPiAgCWlmIChtZW1fZXJyLT52YWxpZGF0aW9uX2JpdHMg JiBDUEVSX01FTV9WQUxJRF9NT0RVTEVfSEFORExFKSB7Cj4gIAkJY29uc3QgY2hhciAqYmFuayA9 IE5VTEwsICpkZXZpY2UgPSBOVUxMOwo+ICsJCWludCBpbmRleCA9IC0xOwo+ICsKPiAgCQlkbWlf bWVtZGV2X25hbWUobWVtX2Vyci0+bWVtX2Rldl9oYW5kbGUsICZiYW5rLCAmZGV2aWNlKTsKCj4g KwkJcCArPSBzcHJpbnRmKHAsICJESU1NIERNSSBoYW5kbGU6IDB4JS40eCAiLAo+ICsJCQkgICAg IG1lbV9lcnItPm1lbV9kZXZfaGFuZGxlKTsKPiAgCQlpZiAoYmFuayAhPSBOVUxMICYmIGRldmlj ZSAhPSBOVUxMKQo+ICAJCQlwICs9IHNwcmludGYocCwgIkRJTU0gbG9jYXRpb246JXMgJXMgIiwg YmFuaywgZGV2aWNlKTsKPiAtCQllbHNlCj4gLQkJCXAgKz0gc3ByaW50ZihwLCAiRElNTSBETUkg aGFuZGxlOiAweCUuNHggIiwKPiAtCQkJCSAgICAgbWVtX2Vyci0+bWVtX2Rldl9oYW5kbGUpOwoK V2h5IGRvIHdlIG5vdyBwcmludCB0aGUgaGFuZGxlIGV2ZXJ5IHRpbWU/IFRoZSBoYW5kbGUgaXMg cHJldHR5IG1lYW5pbmdsZXNzLCBpdApjYW4gb25seSBiZSB1c2VkIHRvIGZpbmQgdGhlIGxvY2F0 aW9uLXN0cmluZ3MsIGlmIHdlIGdldCB0aG9zZSB3ZSBwcmludCB0aGVtCmluc3RlYWQuCgoKPiAr CQlpbmRleCA9IGdoZXNfZWRhY19kaW1tX2luZGV4KG1lbV9lcnItPm1lbV9kZXZfaGFuZGxlKTsK PiArCQlpZiAoaW5kZXggPj0gMCkgewo+ICsJCQllLT50b3BfbGF5ZXIgPSBpbmRleDsKPiArCQkJ ZS0+ZW5hYmxlX3Blcl9sYXllcl9yZXBvcnQgPSB0cnVlOwo+ICsJCX0KPiArCj4gIAl9Cj4gIAlp ZiAocCA+IGUtPmxvY2F0aW9uKQo+ICAJCSoocCAtIDEpID0gJ1wwJzsKCkxvb2tzIGdvb2QgdG8g bWUhCgoKVGhhbmtzLAoKSmFtZXMK