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: wufan Message-Id: <000f01d4406f$6ce8f160$46bad420$@codeaurora.org> Date: Thu, 30 Aug 2018 08:40:40 -0600 To: 'James Morse' 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: SGkgSmFtZXMsCgo+ID4gVGhlIGN1cnJlbnQgZ2hlc19lZGFjIGRyaXZlciBkb2VzIG5vdCB1cGRh dGUgcGVyLWRpbW0gZXJyb3IgY291bnRlcnMKPiA+IHdoZW4gcmVwb3J0aW5nIG1lbW9yeSBlcnJv cnMsIGJlY2F1c2UgdGhlcmUgaXMgbm8gcGxhdGZvcm0taW5kZXBlbmRlbnQKPiA+IHdheSB0byBm aW5kIERJTU1zIGJhc2VkIG9uIHRoZSBlcnJvciBpbmZvcm1hdGlvbiBwcm92aWRlZCBieSBmaXJt d2FyZS4KPiAKPiBJJ2QgYXJndWUgdGhlcmUgaXM6IGl0cyBpbiB0aGUgQ1BFUiByZWNvcmRzLCB3 ZSBqdXN0IGRpZG4ndCBkbyBhbnl0aGluZyB1c2VmdWwKPiB3aXRoIHRoZSBpbmZvcm1hdGlvbiBp biB0aGUgcGFzdCEKCkFncmVlZC4gV2lsbCB1cGRhdGUgdGhlIHdvcmRpbmcuIAogCj4gPiArc3Rh dGljIGludCBnaGVzX2VkYWNfZGltbV9pbmRleCh1MTYgaGFuZGxlKSB7Cj4gPiArCXN0cnVjdCBt ZW1fY3RsX2luZm8gKm1jaTsKPiA+ICsJaW50IGk7Cj4gPiArCj4gPiArCWlmICghZ2hlc19wdnQp Cj4gPiArCQlyZXR1cm4gLTE7Cj4gCj4gZ2hlc19lZGFjX3JlcG9ydF9tZW1fZXJyb3IoKSBhbHJl YWR5IGNoZWNrZWQgdGhpcywgYXMgaXRzIHRoZSBvbmx5IGNhbGxlcgo+IHRoZXJlIGlzIG5vIG5l ZWQgdG8gY2hlY2sgaXQgYWdhaW4uCgpXaWxsIHJlbW92ZS4KIAo+IAo+ID4gKwltY2kgPSBnaGVz X3B2dC0+bWNpOwo+ID4gKwo+ID4gKwlpZiAoIW1jaSkKPiA+ICsJCXJldHVybiAtMTsKPiAKPiBD YW4gdGhpcyBoYXBwZW4/IGdoZXNfZWRhY19yZXBvcnRfbWVtX2Vycm9yKCkgd291bGQgaGF2ZQo+ IGRlcmVmZXJlbmNlZCB0aGlzIGFscmVhZHkhCj4gCj4gSWYgeW91IG5lZWQgdGhlIHN0cnVjdCBt ZW1fY3RsX2luZm8sIHlvdSBtYXkgYXMgd2VsbCBwYXNzIGl0IGluIGFzIHRoZSBvbmx5Cj4gY2Fs bGVyIGhhcyBpdCB0byBoYW5kLgoKV2lsbCByZW1vdmUuCj4gCj4gPiArCj4gPiArCWZvciAoaSA9 IDA7IGkgPCBtY2ktPnRvdF9kaW1tczsgaSsrKSB7Cj4gPiArCQlpZiAobWNpLT5kaW1tc1tpXS0+ c21iaW9zX2hhbmRsZSA9PSBoYW5kbGUpCj4gPiArCQkJcmV0dXJuIGk7Cj4gPiArCX0KPiA+ICsJ cmV0dXJuIC0xOwo+ID4gK30KPiA+ICsKPiA+ICBzdGF0aWMgdm9pZCBnaGVzX2VkYWNfZG1pZGVj b2RlKGNvbnN0IHN0cnVjdCBkbWlfaGVhZGVyICpkaCwgdm9pZAo+ID4gKmFyZykgIHsKPiA+ICAJ c3RydWN0IGdoZXNfZWRhY19kaW1tX2ZpbGwgKmRpbW1fZmlsbCA9IGFyZzsgQEAgLTE3Nyw2ICsx OTcsOCBAQAo+ID4gc3RhdGljIHZvaWQgZ2hlc19lZGFjX2RtaWRlY29kZShjb25zdCBzdHJ1Y3Qg ZG1pX2hlYWRlciAqZGgsIHZvaWQgKmFyZykKPiA+ICAJCQkJZW50cnktPnRvdGFsX3dpZHRoLCBl bnRyeS0+ZGF0YV93aWR0aCk7Cj4gPiAgCQl9Cj4gPgo+ID4gKwkJZGltbS0+c21iaW9zX2hhbmRs ZSA9IGVudHJ5LT5oYW5kbGU7Cj4gCj4gV2UgYXJlbid0IGNoZWNraW5nIGZvciBkdXBsaWNhdGUg aGFuZGxlcywgKGUuZy4gdGhleSdyZSBhbGwgemVybykuIEkgdGhpbmsgdGhpcyBpcwo+IGZpbmUg YXMgY2hhbmNlcyBhcmUgZmlybXdhcmUgb24gdGhvc2Ugc3lzdGVtcyB3b24ndCBzZXQKPiBDUEVS X01FTV9WQUxJRF9NT0RVTEVfSEFORExFLiBJZiBpdCBkb2VzLCB0aGUgaGFuZGxlIGl0IGdpdmVz IHVzIGlzCj4gYW1iaWd1b3VzLCBhbmQgd2UgcGljayBhIGRpbW0sIGluc3RlYWQgb2Ygd2hpbmUt aW5nIGFib3V0IGJyb2tlbgo+IGZpcm13YXJlIHRhYmxlcy4KPiAKPiAoSSdtIGp1c3QgZHJhd2lu ZyBhdHRlbnRpb24gdG8gaXQgaW4gY2FzZSBzb21lb25lIGRpc2FncmVlcykKClNCTUlPUyB0YWJs ZXMgYXJlIHR5cGljYWxseSBhdXRvbWF0aWNhbGx5IGdlbmVyYXRlZCBzbyBjaGFuY2VzIGZvciBk dXBsaWNhdGUKaGFuZGxlcyBhcmUgc21hbGwuIAoKPiAKPiA+ICAJCWRpbW1fZmlsbC0+Y291bnQr KzsKPiA+ICAJfQo+ID4gIH0KPiA+IEBAIC0zMjcsMTIgKzM0OSwyMCBAQCB2b2lkIGdoZXNfZWRh Y19yZXBvcnRfbWVtX2Vycm9yKGludCBzZXYsCj4gc3RydWN0IGNwZXJfc2VjX21lbV9lcnIgKm1l bV9lcnIpCj4gPiAgCQlwICs9IHNwcmludGYocCwgImJpdF9wb3M6JWQgIiwgbWVtX2Vyci0+Yml0 X3Bvcyk7Cj4gPiAgCWlmIChtZW1fZXJyLT52YWxpZGF0aW9uX2JpdHMgJgo+IENQRVJfTUVNX1ZB TElEX01PRFVMRV9IQU5ETEUpIHsKPiA+ICAJCWNvbnN0IGNoYXIgKmJhbmsgPSBOVUxMLCAqZGV2 aWNlID0gTlVMTDsKPiA+ICsJCWludCBpbmRleCA9IC0xOwo+ID4gKwo+ID4gIAkJZG1pX21lbWRl dl9uYW1lKG1lbV9lcnItPm1lbV9kZXZfaGFuZGxlLCAmYmFuaywKPiAmZGV2aWNlKTsKPiAKPiA+ ICsJCXAgKz0gc3ByaW50ZihwLCAiRElNTSBETUkgaGFuZGxlOiAweCUuNHggIiwKPiA+ICsJCQkg ICAgIG1lbV9lcnItPm1lbV9kZXZfaGFuZGxlKTsKPiA+ICAJCWlmIChiYW5rICE9IE5VTEwgJiYg ZGV2aWNlICE9IE5VTEwpCj4gPiAgCQkJcCArPSBzcHJpbnRmKHAsICJESU1NIGxvY2F0aW9uOiVz ICVzICIsIGJhbmssIGRldmljZSk7Cj4gPiAtCQllbHNlCj4gPiAtCQkJcCArPSBzcHJpbnRmKHAs ICJESU1NIERNSSBoYW5kbGU6IDB4JS40eCAiLAo+ID4gLQkJCQkgICAgIG1lbV9lcnItPm1lbV9k ZXZfaGFuZGxlKTsKPiAKPiBXaHkgZG8gd2Ugbm93IHByaW50IHRoZSBoYW5kbGUgZXZlcnkgdGlt ZT8gVGhlIGhhbmRsZSBpcyBwcmV0dHkKPiBtZWFuaW5nbGVzcywgaXQgY2FuIG9ubHkgYmUgdXNl ZCB0byBmaW5kIHRoZSBsb2NhdGlvbi1zdHJpbmdzLCBpZiB3ZSBnZXQgdGhvc2UKPiB3ZSBwcmlu dCB0aGVtIGluc3RlYWQuCgpGb3IgZ2hlc19lZGFjIHRoZSBiYW5rL2RldmljZSBpcyBpbmZvcm1h dGlvbmFsLCBhbmQgbm90aGluZyB3b3VsZCBnbyB3cm9uZwppZiB0aGUgYmFuay9kZXZpY2UgbnVt YmVycyBhcmUgdGhlIHNhbWUgYXMgYW5vdGhlciBlbnRyeS4gQnV0IHRoZSBoYW5kbGUKaXMgbm93 IGNyaXRpY2FsIGZvciBESU1NIGxvb2t1cCwgdGh1cyBwdWxsIGl0IG91dC4KClRoYW5rcyEKRmFu Cg==