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Thu, 29 Aug 2024 01:43:12 -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, k.jensen@samsung.com, Changqi Lu Subject: [PATCH v10 08/10] hw/nvme: enable ONCS and rescap function Date: Thu, 29 Aug 2024 16:42:12 +0800 Message-Id: <20240829084214.50548-9-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20240829084214.50548-1-luchangqi.123@bytedance.com> References: <20240829084214.50548-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=luchangqi.123@bytedance.com; helo=mail-pl1-x634.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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @bytedance.com) X-ZM-MESSAGEID: 1724921084554116600 Content-Type: text/plain; charset="utf-8" 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. Reviewed-by: Klaus Jensen Signed-off-by: Changqi Lu Signed-off-by: zhenwei pi Reviewed-by: Stefan Hajnoczi --- hw/nvme/ctrl.c | 3 ++- hw/nvme/ns.c | 5 +++++ include/block/nvme.h | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 127c3d2383..ad212de723 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -8248,7 +8248,8 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pc= i_dev) id->nn =3D cpu_to_le32(NVME_MAX_NAMESPACES); id->oncs =3D 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_RESERVATIONS); =20 /* * 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..a5c903d727 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" =20 #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; =20 ns->lbaf =3D id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)]; ns->lbasz =3D 1 << ns->lbaf.ds; @@ -55,6 +57,9 @@ void nvme_ns_init_format(NvmeNamespace *ns) } =20 id_ns->npda =3D id_ns->npdg =3D npdg - 1; + + blk_pr_cap =3D blk_bs(ns->blkconf.blk)->bl.pr_cap; + id_ns->rescap =3D block_pr_cap_to_nvme(blk_pr_cap); } =20 static int nvme_ns_init(NvmeNamespace *ns, Error **errp) diff --git a/include/block/nvme.h b/include/block/nvme.h index 8b125f7769..9b9eaeb3a7 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -1251,7 +1251,7 @@ enum NvmeIdCtrlOncs { NVME_ONCS_DSM =3D 1 << 2, NVME_ONCS_WRITE_ZEROES =3D 1 << 3, NVME_ONCS_FEATURES =3D 1 << 4, - NVME_ONCS_RESRVATIONS =3D 1 << 5, + NVME_ONCS_RESERVATIONS =3D 1 << 5, NVME_ONCS_TIMESTAMP =3D 1 << 6, NVME_ONCS_VERIFY =3D 1 << 7, NVME_ONCS_COPY =3D 1 << 8, --=20 2.20.1