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27 Sep 2020 19:22:32 -0700 IronPort-SDR: ngUfx7ozmazbInmh6By1PgHdolbI4ETsm6RS6b5Sm5HOXEggNm6ya3TCiJYrrA7NY/o6C9Dyxv YMyFU+IuflZQ== WDCIronportException: Internal Received: from unknown (HELO redsun50.ssa.fujisawa.hgst.com) ([10.149.66.24]) by uls-op-cesaip02.wdc.com with ESMTP; 27 Sep 2020 19:35:35 -0700 From: Dmitry Fomichev To: Keith Busch , Klaus Jensen , Kevin Wolf , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Maxim Levitsky , Fam Zheng Subject: [PATCH v5 01/14] hw/block/nvme: Report actual LBA data shift in LBAF Date: Mon, 28 Sep 2020 11:35:15 +0900 Message-Id: <20200928023528.15260-2-dmitry.fomichev@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200928023528.15260-1-dmitry.fomichev@wdc.com> References: <20200928023528.15260-1-dmitry.fomichev@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=68.232.141.245; envelope-from=prvs=5334b480d=dmitry.fomichev@wdc.com; helo=esa1.hgst.iphmx.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/27 22:35:35 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Niklas Cassel , Damien Le Moal , qemu-block@nongnu.org, Dmitry Fomichev , qemu-devel@nongnu.org, Alistair Francis , Matias Bjorling Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Calculate the data shift value to report based on the set value of logical_block_size device property. In the process, use a local variable to calculate the LBA format index instead of the hardcoded value 0. This makes the code more readable and it will make it easier to add support for multiple LBA formats in the future. Signed-off-by: Dmitry Fomichev Reviewed-by: Klaus Jensen --- hw/block/nvme-ns.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c index 2ba0263dda..bbd7879492 100644 --- a/hw/block/nvme-ns.c +++ b/hw/block/nvme-ns.c @@ -47,6 +47,8 @@ static void nvme_ns_init(NvmeNamespace *ns) static int nvme_ns_init_blk(NvmeCtrl *n, NvmeNamespace *ns, Error **errp) { + int lba_index; + if (!blkconf_blocksizes(&ns->blkconf, errp)) { return -1; } @@ -67,6 +69,9 @@ static int nvme_ns_init_blk(NvmeCtrl *n, NvmeNamespace *ns, Error **errp) n->features.vwc = 0x1; } + lba_index = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas); + ns->id_ns.lbaf[lba_index].ds = 31 - clz32(n->conf.logical_block_size); + return 0; } -- 2.21.0