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Sun, 12 May 2024 20:53:11 -0700 (PDT) Received: from n37-006-243.byted.org ([180.184.51.40]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-6f4d2a8137asm6407947b3a.45.2024.05.12.20.53.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 May 2024 20:53:11 -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 v2 08/11] hw/nvme: enable ONCS reservations Date: Mon, 13 May 2024 11:52:27 +0800 Message-Id: <20240513035230.60162-9-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240513035230.60162-1-luchangqi.123@bytedance.com> References: <20240513035230.60162-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42b; envelope-from=luchangqi.123@bytedance.com; helo=mail-pf1-x42b.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 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This commit enables ONCS to support the reservation function at the controller level. It also lays the groundwork for detecting and enabling the reservation function on a per-namespace basis in RESCAP. Signed-off-by: Changqi Lu Signed-off-by: zhenwei pi --- hw/nvme/ctrl.c | 3 ++- 1 file changed, 2 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