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Thu, 30 May 2024 20:36:14 -0700 (PDT) From: Changqi Lu To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: kwolf@redhat.com, hreitz@redhat.com, stefanha@redhat.com, fam@euphon.net, ronniesahlberg@gmail.com, pbonzini@redhat.com, pl@dlhnet.de, kbusch@kernel.org, its@irrelevant.dk, foss@defmacro.it, philmd@linaro.org, pizhenwei@bytedance.com, Changqi Lu Subject: [PATCH v4 08/10] hw/nvme: enable ONCS and rescap function Date: Fri, 31 May 2024 11:34:53 +0800 Message-Id: <20240531033455.3774806-9-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240531033455.3774806-1-luchangqi.123@bytedance.com> References: <20240531033455.3774806-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=luchangqi.123@bytedance.com; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This commit enables ONCS to support the reservation function at the controller level. Also enables rescap function in the namespace by detecting the supported reservation function in the backend driver. Signed-off-by: Changqi Lu Signed-off-by: zhenwei pi --- hw/nvme/ctrl.c | 3 ++- hw/nvme/ns.c | 5 +++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 127c3d2383..182307a48b 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -8248,7 +8248,8 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | NVME_ONCS_FEATURES | NVME_ONCS_DSM | - NVME_ONCS_COMPARE | NVME_ONCS_COPY); + NVME_ONCS_COMPARE | NVME_ONCS_COPY | + NVME_ONCS_RESRVATIONS); /* * NOTE: If this device ever supports a command set that does NOT use 0x0 diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c index ea8db175db..320c9bf658 100644 --- a/hw/nvme/ns.c +++ b/hw/nvme/ns.c @@ -20,6 +20,7 @@ #include "qemu/bitops.h" #include "sysemu/sysemu.h" #include "sysemu/block-backend.h" +#include "block/block_int.h" #include "nvme.h" #include "trace.h" @@ -33,6 +34,7 @@ void nvme_ns_init_format(NvmeNamespace *ns) BlockDriverInfo bdi; int npdg, ret; int64_t nlbas; + uint8_t blk_pr_cap; ns->lbaf = id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)]; ns->lbasz = 1 << ns->lbaf.ds; @@ -55,6 +57,9 @@ void nvme_ns_init_format(NvmeNamespace *ns) } id_ns->npda = id_ns->npdg = npdg - 1; + + blk_pr_cap = blk_bs(ns->blkconf.blk)->file->bs->bl.pr_cap; + id_ns->rescap = block_pr_cap_to_nvme(blk_pr_cap); } static int nvme_ns_init(NvmeNamespace *ns, Error **errp)