From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v2] drm/i915/vgpu: Disallow loading on old vGPU hosts Date: Mon, 03 Dec 2018 15:40:26 +0200 Message-ID: <87r2eyenjp.fsf@gaia.fi.intel.com> References: <20181130104217.23829-1-chris@chris-wilson.co.uk> <20181130125954.11924-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id E36436E026 for ; Mon, 3 Dec 2018 13:41:34 +0000 (UTC) In-Reply-To: <20181130125954.11924-1-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gU2luY2Ug Y29tbWl0IGZkODUyNmU1MDkwMiAoImRybS9pOTE1L2V4ZWNsaXN0czogVHJ1c3QgdGhlIENTQiIp IHdlCj4gYWN0dWFsbHkgYnJva2UgdGhlIGZvcmNlLW1taW8gbW9kZSBmb3Igb3VyIGV4ZWNsaXN0 cyBpbXBsZW1lbnRhdGlvbi4gTm8KPiBvbmUgbm90aWNlZCwgc28gZXJnbyBubyBvbmUgaXMgYWN0 dWFsbHkgdXNpbmcgYW4gb2xkIHZHUFUgaG9zdCAod2hlcmUgd2UKPiByZXF1aXJlZCB0aGUgb2xk ZXIgbWV0aG9kKSBhbmQgc28gY2FuIHNpbXBseSByZW1vdmUgdGhlIGJyb2tlbiBzdXBwb3J0Lgo+ Cj4gdjI6IGNzYl9yZWFkIGNhbiBnbyBhcyB3ZWxsIChNaWthKQo+Cj4gUmVwb3J0ZWQtYnk6IE1p a2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29tPgo+IEZpeGVzOiBmZDg1 MjZlNTA5MDIgKCJkcm0vaTkxNS9leGVjbGlzdHM6IFRydXN0IHRoZSBDU0IiKQo+IFNpZ25lZC1v ZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBUdnJ0 a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgo+IENjOiBKb29uYXMgTGFodGlu ZW4gPGpvb25hcy5sYWh0aW5lbkBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IE1pa2EgS3VvcHBhbGEg PG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29tPgo+IENjOiBEYW5pZWxlIENlcmFvbG8gU3B1 cmlvIDxkYW5pZWxlLmNlcmFvbG9zcHVyaW9AaW50ZWwuY29tPgoKUmV2aWV3ZWQtYnk6IE1pa2Eg S3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29tPgoKPiAtLS0KPiAgZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYyAgICAgICAgIHwgMTQgKysrKysrKysrKysKPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMgICAgICAgIHwgMzIgKysrKysrKy0tLS0tLS0t LS0tLS0tLS0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmggfCAx NiAtLS0tLS0tLS0tLS0tCj4gIDMgZmlsZXMgY2hhbmdlZCwgMjIgaW5zZXJ0aW9ucygrKSwgNDAg ZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9k cnYuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMKPiBpbmRleCBlMzkwMTY3MTM0 NjQuLjNlNWUyZWZjZTY3MCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X2Rydi5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYwo+IEBAIC0xMzg0 LDYgKzEzODQsMjAgQEAgc3RhdGljIGludCBpOTE1X2RyaXZlcl9pbml0X2h3KHN0cnVjdCBkcm1f aTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiAgCQl9Cj4gIAl9Cj4gIAo+ICsJaWYgKEhBU19FWEVD TElTVFMoZGV2X3ByaXYpKSB7Cj4gKwkJLyoKPiArCQkgKiBPbGRlciBHVlQgZW11bGF0aW9uIGRl cGVuZHMgdXBvbiBpbnRlcmNlcHRpbmcgQ1NCIG1taW8sCj4gKwkJICogd2hpY2ggd2Ugbm8gbG9u Z2VyIHVzZSwgcHJlZmVycmluZyB0byB1c2UgdGhlIEhXU1AgY2FjaGUKPiArCQkgKiBpbnN0ZWFk Lgo+ICsJCSAqLwo+ICsJCWlmIChpbnRlbF92Z3B1X2FjdGl2ZShkZXZfcHJpdikgJiYKPiArCQkg ICAgIWludGVsX3ZncHVfaGFzX2h3c3BfZW11bGF0aW9uKGRldl9wcml2KSkgewo+ICsJCQlpOTE1 X3JlcG9ydF9lcnJvcihkZXZfcHJpdiwKPiArCQkJCQkgICJvbGQgdkdQVSBob3N0IGZvdW5kLCBz dXBwb3J0IGZvciBIV1NQIGVtdWxhdGlvbiByZXF1aXJlZFxuIik7Cj4gKwkJCXJldHVybiAtRU5Y SU87Cj4gKwkJfQo+ICsJfQo+ICsKPiAgCWludGVsX3Nhbml0aXplX29wdGlvbnMoZGV2X3ByaXYp Owo+ICAKPiAgCWk5MTVfcGVyZl9pbml0KGRldl9wcml2KTsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9s cmMuYwo+IGluZGV4IDBhNjkwYzU1NzExMy4uYmI1YWJkNGY3NTE2IDEwMDY0NAo+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfbHJjLmMKPiBAQCAtNzQ4LDYgKzc0OCw4IEBAIGV4ZWNsaXN0c19jYW5jZWxfcG9y dF9yZXF1ZXN0cyhzdHJ1Y3QgaW50ZWxfZW5naW5lX2V4ZWNsaXN0cyAqIGNvbnN0IGV4ZWNsaXN0 cykKPiAgCj4gIHN0YXRpYyB2b2lkIHJlc2V0X2NzYl9wb2ludGVycyhzdHJ1Y3QgaW50ZWxfZW5n aW5lX2V4ZWNsaXN0cyAqZXhlY2xpc3RzKQo+ICB7Cj4gKwljb25zdCB1bnNpZ25lZCBpbnQgcmVz ZXRfdmFsdWUgPSBHRU44X0NTQl9FTlRSSUVTIC0gMTsKPiArCj4gIAkvKgo+ICAJICogQWZ0ZXIg YSByZXNldCwgdGhlIEhXIHN0YXJ0cyB3cml0aW5nIGludG8gQ1NCIGVudHJ5IFswXS4gV2UKPiAg CSAqIHRoZXJlZm9yZSBoYXZlIHRvIHNldCBvdXIgSEVBRCBwb2ludGVyIGJhY2sgb25lIGVudHJ5 IHNvIHRoYXQKPiBAQCAtNzU3LDggKzc1OSw4IEBAIHN0YXRpYyB2b2lkIHJlc2V0X2NzYl9wb2lu dGVycyhzdHJ1Y3QgaW50ZWxfZW5naW5lX2V4ZWNsaXN0cyAqZXhlY2xpc3RzKQo+ICAJICogaW5s aW5lIGNvbXBhcmlzb24gb2Ygb3VyIGNhY2hlZCBoZWFkIHBvc2l0aW9uIGFnYWluc3QgdGhlIGxh c3QgSFcKPiAgCSAqIHdyaXRlIHdvcmtzIGV2ZW4gYmVmb3JlIHRoZSBmaXJzdCBpbnRlcnJ1cHQu Cj4gIAkgKi8KPiAtCWV4ZWNsaXN0cy0+Y3NiX2hlYWQgPSBleGVjbGlzdHMtPmNzYl93cml0ZV9y ZXNldDsKPiAtCVdSSVRFX09OQ0UoKmV4ZWNsaXN0cy0+Y3NiX3dyaXRlLCBleGVjbGlzdHMtPmNz Yl93cml0ZV9yZXNldCk7Cj4gKwlleGVjbGlzdHMtPmNzYl9oZWFkID0gcmVzZXRfdmFsdWU7Cj4g KwlXUklURV9PTkNFKCpleGVjbGlzdHMtPmNzYl93cml0ZSwgcmVzZXRfdmFsdWUpOwo+ICB9Cj4g IAo+ICBzdGF0aWMgdm9pZCBub3Bfc3VibWlzc2lvbl90YXNrbGV0KHVuc2lnbmVkIGxvbmcgZGF0 YSkKPiBAQCAtMjIxMywxMiArMjIxNSw2IEBAIGxvZ2ljYWxfcmluZ19zZXR1cChzdHJ1Y3QgaW50 ZWxfZW5naW5lX2NzICplbmdpbmUpCj4gIAlsb2dpY2FsX3JpbmdfZGVmYXVsdF9pcnFzKGVuZ2lu ZSk7Cj4gIH0KPiAgCj4gLXN0YXRpYyBib29sIGNzYl9mb3JjZV9tbWlvKHN0cnVjdCBkcm1faTkx NV9wcml2YXRlICppOTE1KQo+IC17Cj4gLQkvKiBPbGRlciBHVlQgZW11bGF0aW9uIGRlcGVuZHMg dXBvbiBpbnRlcmNlcHRpbmcgQ1NCIG1taW8gKi8KPiAtCXJldHVybiBpbnRlbF92Z3B1X2FjdGl2 ZShpOTE1KSAmJiAhaW50ZWxfdmdwdV9oYXNfaHdzcF9lbXVsYXRpb24oaTkxNSk7Cj4gLX0KPiAt Cj4gIHN0YXRpYyBpbnQgbG9naWNhbF9yaW5nX2luaXQoc3RydWN0IGludGVsX2VuZ2luZV9jcyAq ZW5naW5lKQo+ICB7Cj4gIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSA9IGVuZ2luZS0+ aTkxNTsKPiBAQCAtMjI0OCwyNCArMjI0NCwxMiBAQCBzdGF0aWMgaW50IGxvZ2ljYWxfcmluZ19p bml0KHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSkKPiAgCQkJdXBwZXJfMzJfYml0cyhj ZS0+bHJjX2Rlc2MpOwo+ICAJfQo+ICAKPiAtCWV4ZWNsaXN0cy0+Y3NiX3JlYWQgPQo+IC0JCWk5 MTUtPnJlZ3MgKyBpOTE1X21taW9fcmVnX29mZnNldChSSU5HX0NPTlRFWFRfU1RBVFVTX1BUUihl bmdpbmUpKTsKPiAtCWlmIChjc2JfZm9yY2VfbW1pbyhpOTE1KSkgewo+IC0JCWV4ZWNsaXN0cy0+ Y3NiX3N0YXR1cyA9ICh1MzIgX19mb3JjZSAqKQo+IC0JCQkoaTkxNS0+cmVncyArIGk5MTVfbW1p b19yZWdfb2Zmc2V0KFJJTkdfQ09OVEVYVF9TVEFUVVNfQlVGX0xPKGVuZ2luZSwgMCkpKTsKPiAr CWV4ZWNsaXN0cy0+Y3NiX3N0YXR1cyA9Cj4gKwkJJmVuZ2luZS0+c3RhdHVzX3BhZ2UucGFnZV9h ZGRyW0k5MTVfSFdTX0NTQl9CVUYwX0lOREVYXTsKPiAgCj4gLQkJZXhlY2xpc3RzLT5jc2Jfd3Jp dGUgPSAodTMyIF9fZm9yY2UgKilleGVjbGlzdHMtPmNzYl9yZWFkOwo+IC0JCWV4ZWNsaXN0cy0+ Y3NiX3dyaXRlX3Jlc2V0ID0KPiAtCQkJX01BU0tFRF9GSUVMRChHRU44X0NTQl9XUklURV9QVFJf TUFTSywKPiAtCQkJCSAgICAgIEdFTjhfQ1NCX0VOVFJJRVMgLSAxKTsKPiAtCX0gZWxzZSB7Cj4g LQkJZXhlY2xpc3RzLT5jc2Jfc3RhdHVzID0KPiAtCQkJJmVuZ2luZS0+c3RhdHVzX3BhZ2UucGFn ZV9hZGRyW0k5MTVfSFdTX0NTQl9CVUYwX0lOREVYXTsKPiArCWV4ZWNsaXN0cy0+Y3NiX3dyaXRl ID0KPiArCQkmZW5naW5lLT5zdGF0dXNfcGFnZS5wYWdlX2FkZHJbaW50ZWxfaHdzX2NzYl93cml0 ZV9pbmRleChpOTE1KV07Cj4gIAo+IC0JCWV4ZWNsaXN0cy0+Y3NiX3dyaXRlID0KPiAtCQkJJmVu Z2luZS0+c3RhdHVzX3BhZ2UucGFnZV9hZGRyW2ludGVsX2h3c19jc2Jfd3JpdGVfaW5kZXgoaTkx NSldOwo+IC0JCWV4ZWNsaXN0cy0+Y3NiX3dyaXRlX3Jlc2V0ID0gR0VOOF9DU0JfRU5UUklFUyAt IDE7Cj4gLQl9Cj4gIAlyZXNldF9jc2JfcG9pbnRlcnMoZXhlY2xpc3RzKTsKPiAgCj4gIAlyZXR1 cm4gMDsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZl ci5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4gaW5kZXggOTcw ZmI1YzA1YzM2Li4wOTYwNDNiNzg0ZjAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf cmluZ2J1ZmZlci5oCj4gQEAgLTMxMiwxMyArMzEyLDYgQEAgc3RydWN0IGludGVsX2VuZ2luZV9l eGVjbGlzdHMgewo+ICAJICovCj4gIAlzdHJ1Y3QgcmJfcm9vdF9jYWNoZWQgcXVldWU7Cj4gIAo+ IC0JLyoqCj4gLQkgKiBAY3NiX3JlYWQ6IGNvbnRyb2wgcmVnaXN0ZXIgZm9yIENvbnRleHQgU3dp dGNoIGJ1ZmZlcgo+IC0JICoKPiAtCSAqIE5vdGUgdGhpcyByZWdpc3RlciBpcyBhbHdheXMgaW4g bW1pby4KPiAtCSAqLwo+IC0JdTMyIF9faW9tZW0gKmNzYl9yZWFkOwo+IC0KPiAgCS8qKgo+ICAJ ICogQGNzYl93cml0ZTogY29udHJvbCByZWdpc3RlciBmb3IgQ29udGV4dCBTd2l0Y2ggYnVmZmVy Cj4gIAkgKgo+IEBAIC0zMzgsMTUgKzMzMSw2IEBAIHN0cnVjdCBpbnRlbF9lbmdpbmVfZXhlY2xp c3RzIHsKPiAgCSAqLwo+ICAJdTMyIHByZWVtcHRfY29tcGxldGVfc3RhdHVzOwo+ICAKPiAtCS8q Kgo+IC0JICogQGNzYl93cml0ZV9yZXNldDogcmVzZXQgdmFsdWUgZm9yIENTQiB3cml0ZSBwb2lu dGVyCj4gLQkgKgo+IC0JICogQXMgdGhlIENTQiB3cml0ZSBwb2ludGVyIG1heWJlIGVpdGhlciBp biBIV1NQIG9yIGFzIGEgZmllbGQKPiAtCSAqIGluc2lkZSBhbiBtbWlvIHJlZ2lzdGVyLCB3ZSB3 YW50IHRvIHJlcHJvZ3JhbSBpdCBzbGlnaHRseQo+IC0JICogZGlmZmVyZW50bHkgdG8gYXZvaWQg bGF0ZXIgY29uZnVzaW9uLgo+IC0JICovCj4gLQl1MzIgY3NiX3dyaXRlX3Jlc2V0Owo+IC0KPiAg CS8qKgo+ICAJICogQGNzYl9oZWFkOiBjb250ZXh0IHN0YXR1cyBidWZmZXIgaGVhZAo+ICAJICov Cj4gLS0gCj4gMi4yMC4wLnJjMQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK