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bh=wN6eB0wxJRf6zzRxY6T7pa65W2+E1oedx78oWdQ5Oug=; b=NmJGObYoNeMjrVmnwC+yWe/TjlsuuqI2TV4JaXyoVNzHRlnb0PUZRBpRyZjEnyM0Ih Jpi0N/7qFF15N5/eGl7tV4ttsWOzyJDTO4ADNa7cWm8114ID3uIO1uhykHmuPPcCpXqD cOUC/5Useu1KY6jwAT4ml4xATZXtzwq7LeoUKlSW2xdHawhvDb6QmM1ukmZjrhSddJ/N rRxEGsqY8Hcrn+03u9io0w3jZtzGXXB60ireqDMiiE5MlDWCviE5QpuwcpdiDDXTEllH NuQVBZOK+UqR35nsO4KtTQswboqdKx+eSO4/WsU/7K0tqaeCGjwL/t7x9FxgkoMqw7Ug rKEg== X-Gm-Message-State: ANoB5pl1mQYI4jXtDRUql0QA/oYIy3hXGGw71Wv5vBFI/CzxtPlZ9ipq nz9FY7vJrasLtgBXlV0S8+Y= X-Received: by 2002:a17:902:6847:b0:183:6555:38ef with SMTP id f7-20020a170902684700b00183655538efmr2340783pln.157.1668829611039; Fri, 18 Nov 2022 19:46:51 -0800 (PST) Received: from ubuntu-Virtual-Machine.corp.microsoft.com ([2001:4898:80e8:38:f087:1794:92c5:f8f0]) by smtp.gmail.com with ESMTPSA id e5-20020a056a0000c500b005360da6b26bsm3913892pfj.159.2022.11.18.19.46.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 19:46:50 -0800 (PST) From: Tianyu Lan To: luto@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, seanjc@google.com, pbonzini@redhat.com, jgross@suse.com, tiala@microsoft.com, kirill@shutemov.name, jiangshan.ljs@antgroup.com, peterz@infradead.org, ashish.kalra@amd.com, srutherford@google.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, pawan.kumar.gupta@linux.intel.com, adrian.hunter@intel.com, daniel.sneddon@linux.intel.com, alexander.shishkin@linux.intel.com, sandipan.das@amd.com, ray.huang@amd.com, brijesh.singh@amd.com, michael.roth@amd.com, thomas.lendacky@amd.com, venu.busireddy@oracle.com, sterritt@google.com, tony.luck@intel.com, samitolvanen@google.com, fenghua.yu@intel.com Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-arch@vger.kernel.org Subject: [RFC PATCH V2 09/18] x86/hyperv: set target vtl in the vmbus init message Date: Fri, 18 Nov 2022 22:46:23 -0500 Message-Id: <20221119034633.1728632-10-ltykernel@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221119034633.1728632-1-ltykernel@gmail.com> References: <20221119034633.1728632-1-ltykernel@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749894765465162996?= X-GMAIL-MSGID: =?utf-8?q?1749894765465162996?= From: Tianyu Lan Set target vtl (Virtual Trust Level) in the vmbus init message. Signed-off-by: Tianyu Lan --- drivers/hv/connection.c | 1 + include/linux/hyperv.h | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 43141225ea15..09a1253b539a 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -98,6 +98,7 @@ int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, u32 version) */ if (version >= VERSION_WIN10_V5) { msg->msg_sint = VMBUS_MESSAGE_SINT; + msg->msg_vtl = ms_hyperv.vtl; vmbus_connection.msg_conn_id = VMBUS_MESSAGE_CONNECTION_ID_4; } else { msg->interrupt_page = virt_to_phys(vmbus_connection.int_page); diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 3b42264333ef..2be0b5efd1ea 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -665,8 +665,8 @@ struct vmbus_channel_initiate_contact { u64 interrupt_page; struct { u8 msg_sint; - u8 padding1[3]; - u32 padding2; + u8 msg_vtl; + u8 reserved[6]; }; }; u64 monitor_page1;