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s= fm1; bh=v8707hIiWXEDwgwpH6+Wb8WUxY1vM+TNephduT/TCsA=; b=UG5rCzp+ 0+npvryaGj6BpLcBuTqhRcZrLoHicC0Jxt4knTBdBHCOHUlVHGVfGJ/7JehVY+xz XZIlqjBcJM/jRWap8JDAA/qhAYu6RiiBhQeovTvYC0dSFM0y/crfU2wiFswMpJ5d 08JkTGD1xDGv1CtDbmhNcDK1K9klYk9XUOYegHc46vaOeBaO1kYqaKDqY1l6xou1 PLFDoZFHzkDl7JUYCnHjbARWm/BExNcyZkaIFujuCFvmY/nG+oVhDoMWMvztAh+8 YA2CH8P7Yd2qtiIDJD8JZaE4XEa0yDwgD9c0z3Cb8uNIe3iOnHgOZnxhG+nn52WE vMsO4KWRVMlHiQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrtdekgddtkecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepmfhlrghushcu lfgvnhhsvghnuceoihhtshesihhrrhgvlhgvvhgrnhhtrdgukheqnecuggftrfgrthhtvg hrnhepueelteegieeuhffgkeefgfevjeeigfetkeeitdfgtdeifefhtdfhfeeuffevgfek necukfhppeektddrudeijedrleekrdduledtnecuvehluhhsthgvrhfuihiivgeptdenuc frrghrrghmpehmrghilhhfrhhomhepihhtshesihhrrhgvlhgvvhgrnhhtrdgukh X-ME-Proxy: From: Klaus Jensen To: qemu-devel@nongnu.org Subject: [PATCH v2 03/12] hw/block/nvme: indicate CMB support through controller capabilities register Date: Mon, 18 Jan 2021 10:46:56 +0100 Message-Id: <20210118094705.56772-4-its@irrelevant.dk> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210118094705.56772-1-its@irrelevant.dk> References: <20210118094705.56772-1-its@irrelevant.dk> 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=66.111.4.224; envelope-from=its@irrelevant.dk; helo=new2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, 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: Fam Zheng , Kevin Wolf , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Klaus Jensen , Andrzej Jakowski , Maxim Levitsky , Stefan Hajnoczi , Keith Busch Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Andrzej Jakowski This patch sets CMBS bit in controller capabilities register when user configures NVMe driver with CMB support, so capabilites are correctly reported to guest OS. Signed-off-by: Andrzej Jakowski Reviewed-by: Maxim Levitsky Signed-off-by: Klaus Jensen Reviewed-by: Minwoo Im --- include/block/nvme.h | 10 +++++++--- hw/block/nvme.c | 1 + 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/include/block/nvme.h b/include/block/nvme.h index 45b2678db1f0..86d7fc2f905c 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -36,6 +36,7 @@ enum NvmeCapShift { CAP_MPSMIN_SHIFT =3D 48, CAP_MPSMAX_SHIFT =3D 52, CAP_PMR_SHIFT =3D 56, + CAP_CMB_SHIFT =3D 57, }; =20 enum NvmeCapMask { @@ -49,6 +50,7 @@ enum NvmeCapMask { CAP_MPSMIN_MASK =3D 0xf, CAP_MPSMAX_MASK =3D 0xf, CAP_PMR_MASK =3D 0x1, + CAP_CMB_MASK =3D 0x1, }; =20 #define NVME_CAP_MQES(cap) (((cap) >> CAP_MQES_SHIFT) & CAP_MQES_MASK) @@ -78,9 +80,11 @@ enum NvmeCapMask { #define NVME_CAP_SET_MPSMIN(cap, val) (cap |=3D (uint64_t)(val & CAP_MPSMI= N_MASK)\ << CAP_MPSMIN_S= HIFT) #define NVME_CAP_SET_MPSMAX(cap, val) (cap |=3D (uint64_t)(val & CAP_MPSMA= X_MASK)\ - << CAP_MPSMAX_= SHIFT) -#define NVME_CAP_SET_PMRS(cap, val) (cap |=3D (uint64_t)(val & CAP_PMR_MAS= K)\ - << CAP_PMR_SHI= FT) + << CAP_MPSMAX_S= HIFT) +#define NVME_CAP_SET_PMRS(cap, val) (cap |=3D (uint64_t)(val & CAP_PMR_M= ASK) \ + << CAP_PMR_SHIF= T) +#define NVME_CAP_SET_CMBS(cap, val) (cap |=3D (uint64_t)(val & CAP_CMB_M= ASK) \ + << CAP_CMB_SHIF= T) =20 enum NvmeCapCss { NVME_CAP_CSS_NVM =3D 1 << 0, diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 40b9f8ccfc0e..606006c549bc 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -4336,6 +4336,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pc= i_dev) NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_CSI_SUPP); NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_ADMIN_ONLY); NVME_CAP_SET_MPSMAX(n->bar.cap, 4); + NVME_CAP_SET_CMBS(n->bar.cap, n->params.cmb_size_mb ? 1 : 0); =20 n->bar.vs =3D NVME_SPEC_VER; n->bar.intmc =3D n->bar.intms =3D 0; --=20 2.30.0