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Tue, 25 Jul 2023 14:39:56 -0400 (EDT) Received: from SSI-EX2.ssi.samsung.com (105.128.2.227) by SSI-EX1.ssi.samsung.com (105.128.2.226) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.2375.24; Tue, 25 Jul 2023 11:39:55 -0700 Received: from SSI-EX2.ssi.samsung.com ([105.128.2.227]) by SSI-EX2.ssi.samsung.com ([105.128.2.227]) with mapi id 15.01.2375.024; Tue, 25 Jul 2023 11:39:55 -0700 From: Fan Ni To: "qemu-devel@nongnu.org" CC: "jonathan.cameron@huawei.com" , "linux-cxl@vger.kernel.org" , "gregory.price@memverge.com" , "hchkuo@avery-design.com.tw" , "cbrowy@avery-design.com" , "ira.weiny@intel.com" , "dan.j.williams@intel.com" , Adam Manzanares , "dave@stgolabs.net" , "nmtadam.samsung@gmail.com" , "nifan@outlook.com" , Fan Ni Subject: [Qemu PATCH v2 1/9] hw/cxl/cxl-mailbox-utils: Add dc_event_log_size field to output payload of identify memory device command Thread-Topic: [Qemu PATCH v2 1/9] hw/cxl/cxl-mailbox-utils: Add dc_event_log_size field to output payload of identify memory device command Thread-Index: AQHZvydoRKWfeAB5G06EOZO9oxzjmQ== Date: Tue, 25 Jul 2023 18:39:55 +0000 Message-ID: <20230725183939.2741025-2-fan.ni@samsung.com> In-Reply-To: <20230725183939.2741025-1-fan.ni@samsung.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.25.1 x-originating-ip: [105.128.2.176] MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLKsWRmVeSWpSXmKPExsWy7djX87p/xA6kGCzbbWHRfX4Do8X0qRcY LVbfXMNo0dD0iMWiZfd7Jov9T5+zWKxaeI3N4vysUywWzyc+Z7JYuuQRs8Xx3h0sDtweFyZP YPVY3ODqsXPWXXaPliNvgbw9L5k8Nn78z+7x5NpmJo/Nr18we0ydXe/xeZNcAFcUl01Kak5m WWqRvl0CV8b6Q7sYC27zVvT92s/ewNjL3cXIySEhYCKxY1kHaxcjF4eQwEpGiaX3prNDOK1M ElNb/rLBVE18P4MdxBYSWMsoMWlWFETRJ0aJrjN/WSCcZYwSra2nWUGq2AQUJfZ1bQfrFhEw ljh2eAkzSBGzwFsWiY9r3oB1CAt0MEoce/MVLCMi0MsosXDWG2aIFj2JeVPXs4DYLAKqEh0r dzCB2LwClhK/z20GO4RTwEri2ZfZYOsYBcQkvp9aA1bDLCAucevJfCaIwwUlFs3ewwxhi0n8 2/UQ6iF5ick/ZkDZihL3v79kh+jVk7gxdQobhK0tsWzha2aIvYISJ2c+YYGol5Q4uOIG2AcS AtM5JSY2/INa5iLRsegJI4QtLfH37jKgOAeQnSyx6iMXRDhHYv6SLVBzrCUW/lnPNIFRZRaS s2chOWMWkjNmITljASPLKkbx0uLi3PTUYuO81HK94sTc4tK8dL3k/NxNjMAUd/rf4YIdjLdu fdQ7xMjEwXiIUYKDWUmE1zBmX4oQb0piZVVqUX58UWlOavEhRmkOFiVxXkPbk8lCAumJJanZ qakFqUUwWSYOTqkGpqztsjPeZs1jVxCcpT/rzYzqzzc1HJodBVX2nlhnVRC0LfNyWVlZ18QA m5//fHUqmF0ObIxs9/bcJfXt3OkVSn8+ndLPiJcU5j3ZKebaemNr5tZJlvNW9rSsNfB0ncma 9OXpfRlX1rdZhVwB1+d67E9cvW/xxm1lqwQdWPMOhC6fMPeLNwvbi9qImZPOXNx9rejAgYQJ 1Q2ykb3tIa4ZtwL1F4lZ87H/O8B4ub1tpuQ57wafOX9XbxTq3B931XaGkPDbkNtMbadll/ml VrR23vZ9/GB64TxTFvFfp7lTXT1En/8WSvb0Z7e9sG/K+oLlZ1NO+iwvv7NqJn/czlof+Ssh bv78/0x7+LpLPv9+pcRSnJFoqMVcVJwIAEdHWNPgAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrJIsWRmVeSWpSXmKPExsWS2cA0UfeP2IEUg+nPZC26z29gtJg+9QKj xeqbaxgtGpoesVi07H7PZLH/6XMWi1ULr7FZnJ91isXi+cTnTBZLlzxitjjeu4PFgdvjwuQJ rB6LG1w9ds66y+7RcuQtkLfnJZPHxo//2T2eXNvM5LH59Qtmj6mz6z0+b5IL4IrisklJzcks Sy3St0vgylh/aBdjwW3eir5f+9kbGHu5uxg5OSQETCQmvp/B3sXIxSEksJpRou/vcijnE6PE 9fM/mCGcZYwSiw8vYAdpYRNQlNjXtZ0NxBYRMJY4dngJM4jNLPCaReLbRW6QBmGBDkaJY2++ MkMU9TJKNF4whbD1JOZNXc8CYrMIqEp0rNzBBGLzClhK/D63GWgBB9A2S4mtE+NAwpwCVhLP vsxmBbEZBcQkvp9awwSxS1zi1pP5TBAvCEgs2XOeGcIWlXj5+B8rhC0vMfnHDDYIW1Hi/veX 7BC9ehI3pk5hg7C1JZYtfM0McYKgxMmZT1gg6iUlDq64wTKBUWIWknWzkLTPQtI+C0n7AkaW VYzipcXFuekVxUZ5qeV6xYm5xaV56XrJ+bmbGIGp4fS/w9E7GG/f+qh3iJGJg/EQowQHs5II r2HMvhQh3pTEyqrUovz4otKc1OJDjNIcLErivC+jJsYLCaQnlqRmp6YWpBbBZJk4OKUamHgm fd9z7/+NZcxrfwSsNd3eorZ9gessoW8SHK0vG6LnzbUWFtlu7nPWS1cs4Mj60/cz3/c5zPVr OhRteXmPs9L+7Q4aUd6T01bNm5OfupLNOIBxS/yau44TBcxVAmdViaZyrbGYxu//rYv74J1b jHHc37gyK3QmGC+dnlBw6fWcrcbX/3X1z3mq5SAU9oSlveF8Q81Xs5fZl+c46l6tY42ecPPG 5kl+/w7PvdEVs+dP8dqS571XnYw2eUpOyVu+8zbvJO9+o6Zpl4w39Fjvf2Nvynnsw5zlE/zZ N1Qddym+N6cm6emWF+afrvpdlPHSLEgz8k6TO2C06RWH2Y/vLrbla18d+XVJznpdoti+3f+U WIozEg21mIuKEwF9Cw0WfAMAAA== X-CMS-MailID: 20230725183956uscas1p17a64ec512cdf5b9348451926d6f0b224 CMS-TYPE: 301P X-CMS-RootMailID: 20230725183956uscas1p17a64ec512cdf5b9348451926d6f0b224 References: <20230725183939.2741025-1-fan.ni@samsung.com> Received-SPF: pass client-ip=211.189.100.12; envelope-from=fan.ni@samsung.com; helo=mailout2.w2.samsung.com X-Spam_score_int: -70 X-Spam_score: -7.1 X-Spam_bar: ------- X-Spam_report: (-7.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 From: Fan Ni Based on CXL spec 3.0 Table 8-94 (Identify Memory Device Output Payload), dynamic capacity event log size should be part of output of the Identify command. Add dc_event_log_size to the output payload for the host to get the info. Signed-off-by: Fan Ni --- hw/cxl/cxl-mailbox-utils.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index ad7a6116e4..b013e30314 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -21,6 +21,8 @@ #include "sysemu/hostmem.h" #define CXL_CAPACITY_MULTIPLIER (256 * MiB) +/* Experimental value: dynamic capacity event log size */ +#define CXL_DC_EVENT_LOG_SIZE 8 /* * How to add a new command, example. The command set FOO, with cmd BAR. @@ -519,8 +521,9 @@ static CXLRetCode cmd_identify_memory_device(struct cxl_cmd *cmd, uint16_t inject_poison_limit; uint8_t poison_caps; uint8_t qos_telemetry_caps; + uint16_t dc_event_log_size; } QEMU_PACKED *id; - QEMU_BUILD_BUG_ON(sizeof(*id) != 0x43); + QEMU_BUILD_BUG_ON(sizeof(*id) != 0x45); CXLType3Dev *ct3d = container_of(cxl_dstate, CXLType3Dev, cxl_dstate); CXLType3Class *cvc = CXL_TYPE3_GET_CLASS(ct3d); @@ -543,6 +546,7 @@ static CXLRetCode cmd_identify_memory_device(struct cxl_cmd *cmd, st24_le_p(id->poison_list_max_mer, 256); /* No limit - so limited by main poison record limit */ stw_le_p(&id->inject_poison_limit, 0); + stw_le_p(&id->dc_event_log_size, CXL_DC_EVENT_LOG_SIZE); *len = sizeof(*id); return CXL_MBOX_SUCCESS;