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[5.186.126.247]) by smtp.gmail.com with ESMTPSA id p3sm1974957edy.38.2020.10.29.11.58.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2020 11:58:12 -0700 (PDT) From: "=?UTF-8?q?Javier=20Gonz=C3=A1lez?=" X-Google-Original-From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= To: linux-nvme@lists.infradead.org Subject: [PATCH] nvme: report capacity 0 for non supported ZNS SSDs Date: Thu, 29 Oct 2020 19:57:53 +0100 Message-Id: <20201029185753.14368-1-javier.gonz@samsung.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201029_145817_202623_FA874095 X-CRM114-Status: GOOD ( 18.42 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: axboe@kernel.dk, sagi@grimberg.me, joshi.k@samsung.com, k.jensen@samsung.com, linux-block@vger.kernel.org, kbusch@kernel.org, =?UTF-8?q?Javier=20Gonz=C3=A1lez?= , hch@lst.de Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org QWxsb3cgWk5TIFNTRHMgdG8gYmUgcHJlc2VudGVkIHRvIHRoZSBob3N0IGV2ZW4gd2hlbiB0aGV5 IGltcGxlbWVudApmZWF0dXJlcyB0aGF0IGFyZSBub3Qgc3VwcG9ydGVkIGJ5IHRoZSBrZXJuZWwg em9uZWQgYmxvY2sgZGV2aWNlLgoKSW5zdGVhZCBvZiByZWplY3RpbmcgdGhlIFNTRCBhdCB0aGUg TlZNZSBkcml2ZXIgbGV2ZWwsIGRlYWwgd2l0aCB0aGlzIGluCnRoZSBibG9jayBsYXllciBieSBz ZXR0aW5nIGNhcGFjaXR5IHRvIDAsIGFzIHdlIGRvIHdpdGggb3RoZXIgdGhpbmdzCnN1Y2ggYXMg dW5zdXBwb3J0ZWQgUEkgY29uZmlndXJhdGlvbnMuIFRoaXMgYWxsb3dzIHRvIHVzZSBzdGFuZGFy ZAptYW5hZ2VtZW50IHRvb2xzIHN1Y2ggYXMgbnZtZS1jbGkgdG8gY2hvb3NlIGEgZGlmZmVyZW50 IGZvcm1hdCBvcgpmaXJtd2FyZSBzbG90IHRoYXQgaXMgY29tcGF0aWJsZSB3aXRoIHRoZSBMaW51 eCB6b25lZCBibG9jayBkZXZpY2UuCgpTaWduZWQtb2ZmLWJ5OiBKYXZpZXIgR29uesOhbGV6IDxq YXZpZXIuZ29uekBzYW1zdW5nLmNvbT4KLS0tCiBkcml2ZXJzL252bWUvaG9zdC9jb3JlLmMgfCAg NSArKysrKwogZHJpdmVycy9udm1lL2hvc3QvbnZtZS5oIHwgIDEgKwogZHJpdmVycy9udm1lL2hv c3Qvem5zLmMgIHwgMzEgKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0tLQogMyBmaWxlcyBj aGFuZ2VkLCAyMCBpbnNlcnRpb25zKCspLCAxNyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9k cml2ZXJzL252bWUvaG9zdC9jb3JlLmMgYi9kcml2ZXJzL252bWUvaG9zdC9jb3JlLmMKaW5kZXgg YzE5MGM1NmJmNzAyLi45Y2E0ZjBhNmZmMmMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvbnZtZS9ob3N0 L2NvcmUuYworKysgYi9kcml2ZXJzL252bWUvaG9zdC9jb3JlLmMKQEAgLTIwMjYsNiArMjAyNiwx MSBAQCBzdGF0aWMgdm9pZCBudm1lX3VwZGF0ZV9kaXNrX2luZm8oc3RydWN0IGdlbmRpc2sgKmRp c2ssCiAJCQljYXBhY2l0eSA9IDA7CiAJfQogCisjaWZkZWYgQ09ORklHX0JMS19ERVZfWk9ORUQK KwlpZiAoIW5zLT56b25lX3N1cCkKKwkJY2FwYWNpdHkgPSAwOworI2VuZGlmCisKIAlzZXRfY2Fw YWNpdHlfcmV2YWxpZGF0ZV9hbmRfbm90aWZ5KGRpc2ssIGNhcGFjaXR5LCBmYWxzZSk7CiAKIAlu dm1lX2NvbmZpZ19kaXNjYXJkKGRpc2ssIG5zKTsKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbnZtZS9o b3N0L252bWUuaCBiL2RyaXZlcnMvbnZtZS9ob3N0L252bWUuaAppbmRleCA4NzczN2ZhMzIzNjAu LjQyY2JlNWJiYzUxOCAxMDA2NDQKLS0tIGEvZHJpdmVycy9udm1lL2hvc3QvbnZtZS5oCisrKyBi L2RyaXZlcnMvbnZtZS9ob3N0L252bWUuaApAQCAtNDQzLDYgKzQ0Myw3IEBAIHN0cnVjdCBudm1l X25zIHsKIAl1OCBwaV90eXBlOwogI2lmZGVmIENPTkZJR19CTEtfREVWX1pPTkVECiAJdTY0IHpz emU7CisJYm9vbCB6b25lX3N1cDsKICNlbmRpZgogCXVuc2lnbmVkIGxvbmcgZmVhdHVyZXM7CiAJ dW5zaWduZWQgbG9uZyBmbGFnczsKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbnZtZS9ob3N0L3pucy5j IGIvZHJpdmVycy9udm1lL2hvc3Qvem5zLmMKaW5kZXggNTdjZmQ3ODczMWZiLi43N2E3ZmVkNTA4 ZWYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvbnZtZS9ob3N0L3pucy5jCisrKyBiL2RyaXZlcnMvbnZt ZS9ob3N0L3pucy5jCkBAIC00NCwyMCArNDQsMjMgQEAgaW50IG52bWVfdXBkYXRlX3pvbmVfaW5m byhzdHJ1Y3QgZ2VuZGlzayAqZGlzaywgc3RydWN0IG52bWVfbnMgKm5zLAogCXN0cnVjdCBudm1l X2lkX25zX3pucyAqaWQ7CiAJaW50IHN0YXR1czsKIAotCS8qIERyaXZlciByZXF1aXJlcyB6b25l IGFwcGVuZCBzdXBwb3J0ICovCisJbnMtPnpvbmVfc3VwID0gdHJ1ZTsKKwogCWlmICghKGxlMzJf dG9fY3B1KGxvZy0+aW9jc1tudm1lX2NtZF96b25lX2FwcGVuZF0pICYKIAkJCU5WTUVfQ01EX0VG RkVDVFNfQ1NVUFApKSB7CisJCW5zLT56b25lX3N1cCA9IGZhbHNlOwogCQlkZXZfd2Fybihucy0+ Y3RybC0+ZGV2aWNlLAogCQkJImFwcGVuZCBub3Qgc3VwcG9ydGVkIGZvciB6b25lZCBuYW1lc3Bh Y2U6JWRcbiIsCiAJCQlucy0+aGVhZC0+bnNfaWQpOwotCQlyZXR1cm4gLUVJTlZBTDsKLQl9Ci0K LQkvKiBMYXppbHkgcXVlcnkgY29udHJvbGxlciBhcHBlbmQgbGltaXQgZm9yIHRoZSBmaXJzdCB6 b25lZCBuYW1lc3BhY2UgKi8KLQlpZiAoIW5zLT5jdHJsLT5tYXhfem9uZV9hcHBlbmQpIHsKLQkJ c3RhdHVzID0gbnZtZV9zZXRfbWF4X2FwcGVuZChucy0+Y3RybCk7Ci0JCWlmIChzdGF0dXMpCi0J CQlyZXR1cm4gc3RhdHVzOworCX0gZWxzZSB7CisJCS8qIExhemlseSBxdWVyeSBjb250cm9sbGVy IGFwcGVuZCBsaW1pdCBmb3IgdGhlIGZpcnN0CisJCSAqIHpvbmVkIG5hbWVzcGFjZQorCQkgKi8K KwkJaWYgKCFucy0+Y3RybC0+bWF4X3pvbmVfYXBwZW5kKSB7CisJCQlzdGF0dXMgPSBudm1lX3Nl dF9tYXhfYXBwZW5kKG5zLT5jdHJsKTsKKwkJCWlmIChzdGF0dXMpCisJCQkJcmV0dXJuIHN0YXR1 czsKKwkJfQogCX0KIAogCWlkID0ga3phbGxvYyhzaXplb2YoKmlkKSwgR0ZQX0tFUk5FTCk7CkBA IC03MywyNSArNzYsMTkgQEAgaW50IG52bWVfdXBkYXRlX3pvbmVfaW5mbyhzdHJ1Y3QgZ2VuZGlz ayAqZGlzaywgc3RydWN0IG52bWVfbnMgKm5zLAogCWlmIChzdGF0dXMpCiAJCWdvdG8gZnJlZV9k YXRhOwogCi0JLyoKLQkgKiBXZSBjdXJyZW50bHkgZG8gbm90IGhhbmRsZSBkZXZpY2VzIHJlcXVp cmluZyBhbnkgb2YgdGhlIHpvbmVkCi0JICogb3BlcmF0aW9uIGNoYXJhY3RlcmlzdGljcy4KLQkg Ki8KIAlpZiAoaWQtPnpvYykgeworCQlucy0+em9uZV9zdXAgPSBmYWxzZTsKIAkJZGV2X3dhcm4o bnMtPmN0cmwtPmRldmljZSwKIAkJCSJ6b25lIG9wZXJhdGlvbnM6JXggbm90IHN1cHBvcnRlZCBm b3IgbmFtZXNwYWNlOiV1XG4iLAogCQkJbGUxNl90b19jcHUoaWQtPnpvYyksIG5zLT5oZWFkLT5u c19pZCk7Ci0JCXN0YXR1cyA9IC1FSU5WQUw7Ci0JCWdvdG8gZnJlZV9kYXRhOwogCX0KIAogCW5z LT56c3plID0gbnZtZV9sYmFfdG9fc2VjdChucywgbGU2NF90b19jcHUoaWQtPmxiYWZlW2xiYWZd LnpzemUpKTsKIAlpZiAoIWlzX3Bvd2VyX29mXzIobnMtPnpzemUpKSB7CisJCW5zLT56b25lX3N1 cCA9IGZhbHNlOwogCQlkZXZfd2Fybihucy0+Y3RybC0+ZGV2aWNlLAogCQkJImludmFsaWQgem9u ZSBzaXplOiVsbHUgZm9yIG5hbWVzcGFjZToldVxuIiwKIAkJCW5zLT56c3plLCBucy0+aGVhZC0+ bnNfaWQpOwotCQlzdGF0dXMgPSAtRUlOVkFMOwotCQlnb3RvIGZyZWVfZGF0YTsKIAl9CiAKIAlx LT5saW1pdHMuem9uZWQgPSBCTEtfWk9ORURfSE07Ci0tIAoyLjE3LjEKCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1udm1lIG1haWxpbmcgbGlz dApMaW51eC1udm1lQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5v cmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1udm1lCg==