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bh=S0wYc4/LcohKZOXFczZ4OthMXa1CAhR8XwV9mi1xZug=; b=R8Y9tgfvT4ksPlzNP+xoLmjuhCFnmTs1Oanrqu4YOH+Fn9J3jXoaKbl7QJRwM+kddvWmPi XijIGzrBphhL5fbWBz2epuxerPCe0x+7Lh+IRkZX8hziXtpOeD4QftPEa7fho8AcfLQbo4 RttuBYur/4/y9c6ZGAMU7MYAz13ctaE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-338-sHLvp8g0O5C_0B2ysRrwQQ-1; Wed, 29 Jul 2020 05:14:36 -0400 X-MC-Unique: sHLvp8g0O5C_0B2ysRrwQQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2BCBB8015CE; Wed, 29 Jul 2020 09:14:35 +0000 (UTC) Received: from starship (unknown [10.35.206.108]) by smtp.corp.redhat.com (Postfix) with ESMTP id 531EA7191D; Wed, 29 Jul 2020 09:14:31 +0000 (UTC) Message-ID: Subject: Re: [PATCH v3 06/18] hw/block/nvme: mark fw slot 1 as read-only From: Maxim Levitsky To: Klaus Jensen , qemu-block@nongnu.org Date: Wed, 29 Jul 2020 12:14:30 +0300 In-Reply-To: <20200706061303.246057-7-its@irrelevant.dk> References: <20200706061303.246057-1-its@irrelevant.dk> <20200706061303.246057-7-its@irrelevant.dk> User-Agent: Evolution 3.36.3 (3.36.3-1.fc32) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=63.128.21.74; envelope-from=mlevitsk@redhat.com; helo=us-smtp-delivery-74.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/29 01:09:48 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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=unavailable 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: Kevin Wolf , Dmitry Fomichev , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Keith Busch , Javier Gonzalez , Philippe =?ISO-8859-1?Q?Mathieu-Daud=E9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, 2020-07-06 at 08:12 +0200, Klaus Jensen wrote: > From: Klaus Jensen > > Mark firmware slot 1 as read-only and only support that slot. > > Signed-off-by: Klaus Jensen > Reviewed-by: Dmitry Fomichev > --- > hw/block/nvme.c | 3 ++- > include/block/nvme.h | 4 ++++ > 2 files changed, 6 insertions(+), 1 deletion(-) > > diff --git a/hw/block/nvme.c b/hw/block/nvme.c > index a330ccf91620..b6bc75eb61a2 100644 > --- a/hw/block/nvme.c > +++ b/hw/block/nvme.c > @@ -62,6 +62,7 @@ > #define NVME_TEMPERATURE 0x143 > #define NVME_TEMPERATURE_WARNING 0x157 > #define NVME_TEMPERATURE_CRITICAL 0x175 > +#define NVME_NUM_FW_SLOTS 1 > > #define NVME_GUEST_ERR(trace, fmt, ...) \ > do { \ > @@ -1666,7 +1667,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) > * inconsequential. > */ > id->acl = 3; > - id->frmw = 7 << 1; > + id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; Offtopic: They didn't make this one 0 based value, and yet ask for at least 1 slot. Just to keep us entertained I guess :-) > id->lpa = 1 << 0; > > /* recommended default value (~70 C) */ > diff --git a/include/block/nvme.h b/include/block/nvme.h > index d2c457695b38..d639e8bbee92 100644 > --- a/include/block/nvme.h > +++ b/include/block/nvme.h > @@ -842,6 +842,10 @@ enum NvmeIdCtrlOncs { > NVME_ONCS_TIMESTAMP = 1 << 6, > }; > > +enum NvmeIdCtrlFrmw { > + NVME_FRMW_SLOT1_RO = 1 << 0, > +}; > + > #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf) > #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf) > #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf) Looks good, Reviewed-by: Maxim Levitsky Best regards, Maxim Levitsky