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Mon, 3 Feb 2025 06:00:51 +0000 (GMT) From: Arpit Kumar To: qemu-devel@nongnu.org Cc: gost.dev@samsung.com, linux-cxl@vger.kernel.org, nifan.cxl@gmail.com, dave@stgolabs.net, vishak.g@samsung.com, krish.reddy@samsung.com, a.manzanares@samsung.com, alok.rathore@samsung.com, Arpit Kumar Subject: [PATCH 2/3] hw/cxl/cxl-mailbox-utils.c: Added support for Clear Log (Opcode 0403h) Date: Mon, 3 Feb 2025 11:29:49 +0530 Message-Id: <20250203055950.2126627-3-arpit1.kumar@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250203055950.2126627-1-arpit1.kumar@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDJsWRmVeSWpSXmKPExsWy7bCmhu7b9QvTDb5/YbGYfljR4svpPWwW vYuXsFqsvrmG0eLmgZ1MFgs3LmOyOD/rFIvF3217GS2O9+5gAXLnsDtweeycdZfd48m1zUwe fVtWMXpMnV3v8XmTXABrVLZNRmpiSmqRQmpecn5KZl66rZJ3cLxzvKmZgaGuoaWFuZJCXmJu qq2Si0+ArltmDtBNSgpliTmlQKGAxOJiJX07m6L80pJUhYz84hJbpdSClJwCkwK94sTc4tK8 dL281BIrQwMDI1OgwoTsjF9tUgWTRSv+PbzM3MB4mq+LkZNDQsBE4tPev4xdjFwcQgK7GSUu d3ZAOZ8YJVbOOMwG4XxjlJj1dCMbTMuzlrnMEIm9jBL3vxxiAkkICTQwSXyb6gliswnoSJy/ PResQURAUuJ312mwBmaBN4wSD64uAHI4OIQFYiXOLlcFqWERUJV4OnMqWD2vgL3E8Tt9TBDL 5CX2HzzLDGJzCjhI/Nh8kxWiRlDi5MwnLCA2M1BN89bZYPMlBL6yS9x9NIEdotlFYmPHVEYI W1ji1fEtUHEpiZf9bVB2tsSf+e1QnxVILPo5EypuL9F6qh/sTmYBTYn1u/QhwrISU0+tY4LY yyfR+/sJ1J28EjvmwdhqEu075kONkZF482sx1HgPiWPr/0ODdzKjxJVr+xknMCrMQvLPLCT/ zEJYvYCReRWjZGpBcW56arFpgXFeajk8kpPzczcxgpOplvcOxkcPPugdYmTiYDzEKMHBrCTC e3r7gnQh3pTEyqrUovz4otKc1OJDjKbAAJ/ILCWanA9M53kl8YYmlgYmZmZmJpbGZoZK4rzN O1vShQTSE0tSs1NTC1KLYPqYODilGpiixbgZT53w/5RU6hB494NR4YJtqjdbLFlqM3x+rX1w QSlawSxnYpxM4KRH3zLfCC2rOLvRb52Ixv/Py7oqHas8NxZstzWTcmx2L4vZvvrgimucLKvD /hUaHT11q1wtdMMEM9UfBm6l0ckxL1bvkUrXyqm/3nrk5zLDn2krt6QLK0YZNIkWbf0dtWbH 0v329r/PrhE+92WCbkhQd8Kz/m7mrprZxmdmHWp9erz14hXOCY9KAnJWzViyMv9v6lqLgJKe HZzq19LZZ627O8f4Brdptr4+U65/564ft7X+Vy9SKLT2qLbUOe/HWSueeuvIBI7TnFt+rFvr 7Fp2Yf/tu6vYKww/Ta1g9amRvC9hMUeJpTgj0VCLuag4EQAsk+uYLwQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCLMWRmVeSWpSXmKPExsWy7bCSvO7U6AXpBhOPC1hMP6xo8eX0HjaL 3sVLWC1W31zDaHHzwE4mi4UblzFZnJ91isXi77a9jBbHe3ewALlz2B24PHbOusvu8eTaZiaP vi2rGD2mzq73+LxJLoA1issmJTUnsyy1SN8ugSvjV5tUwWTRin8PLzM3MJ7m62Lk5JAQMJF4 1jKXuYuRi0NIYDejxP4tu9ggEjISF2c+ZoGwhSVW/nvODlH0j1Fi9pstYEVsAjoS52/PBbNF BCQlfnedBpvELPCNUWLOrResIAlhgWiJ20c6mEFsFgFViaczp4I18ArYSxy/08cEsUFeYv/B s2A1nAIOEj823wTrFQKqOd9+hAmiXlDi5MwnYBcxA9U3b53NPIFRYBaS1CwkqQWMTKsYJVML inPTc5MNCwzzUsv1ihNzi0vz0vWS83M3MYIDXktjB+O7b036hxiZOBgPMUpwMCuJ8HIcnpMu xJuSWFmVWpQfX1Sak1p8iFGag0VJnHelYUS6kEB6YklqdmpqQWoRTJaJg1OqgYkhJ3/Gxv3e dycsYbpi1fD78p3Xh7p775i2cRnkz17YaNQtHtWV8m+eUbV/QDVP5ayL79sMkpguTtnDfeag UKpfoKvdp55W27ve2wwEY1e47ebd6pfbZNGne/H222naU+e9ffixt9d+X8FOHQvjoBnr83z/ HQm5HPDOlX+24WcBn12fr+9yCvmxfX0Gi5ti3LmZy1WlChtuLs/2F0vTVNO2aTyr8JLl5PVF ZQHhjcGLNn2LWvKZv9P8wsvmB/vrjxz9cGJVmmTuDm62/odHjHqt+25Mk5m57JjIBJGNX419 73kfO9gi5NTrufG6SrLj5byrU8J22xtltKxzrGKq2L1mhk+CbtySCr45RvMY5ZRYijMSDbWY i4oTAZA0euznAgAA X-CMS-MailID: 20250203060053epcas5p137fe4cbd5661afdfd2602dbc7facdcb9 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250203060053epcas5p137fe4cbd5661afdfd2602dbc7facdcb9 References: <20250203055950.2126627-1-arpit1.kumar@samsung.com> Received-SPF: pass client-ip=203.254.224.25; envelope-from=arpit1.kumar@samsung.com; helo=mailout2.samsung.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Tue, 04 Feb 2025 02:00:08 -0500 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Arpit Kumar Reviewed-by: Alok Rathore Reviewed-by: Krishna Kanth Reddy --- hw/cxl/cxl-mailbox-utils.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 3d66a425a9..5fd7f850c4 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -77,6 +77,7 @@ enum { #define GET_SUPPORTED 0x0 #define GET_LOG 0x1 #define GET_LOG_CAPABILITIES 0x2 + #define CLEAR_LOG 0x3 FEATURES = 0x05, #define GET_SUPPORTED 0x0 #define GET_FEATURE 0x1 @@ -1115,6 +1116,39 @@ static CXLRetCode cmd_logs_get_log_capabilities(const struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +/* CXL r3.1 Section 8.2.9.5.4: Clear Log (Opcode 0403h) */ +static CXLRetCode cmd_logs_clear_log(const struct cxl_cmd *cmd, + uint8_t *payload_in, + size_t len_in, + uint8_t *payload_out, + size_t *len_out, + CXLCCI *cci) +{ + int32_t cap_id; + struct { + QemuUUID uuid; + } QEMU_PACKED QEMU_ALIGNED(8) * clear_log = (void *)payload_in; + + cap_id = valid_log_check(&clear_log->uuid, cci); + if (cap_id == -1) { + return CXL_MBOX_INVALID_LOG; + } + + if (cci->supported_log_cap[cap_id].param_flags.clear_log_supported) { + switch (cap_id) { + case CEL: + memset(cci->cel_log, 0, (1 << 16) * sizeof(struct cel_log)); + cci->cel_size = 0; + break; + default: + return CXL_MBOX_UNSUPPORTED; + } + } else { + return CXL_MBOX_UNSUPPORTED; + } + return CXL_MBOX_SUCCESS; +} + /* CXL r3.1 section 8.2.9.6: Features */ /* * Get Supported Features output payload @@ -2882,6 +2916,8 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = { [LOGS][GET_LOG] = { "LOGS_GET_LOG", cmd_logs_get_log, 0x18, 0 }, [LOGS][GET_LOG_CAPABILITIES] = { "LOGS_GET_LOG_CAPABILITIES", cmd_logs_get_log_capabilities, 0x10, 0 }, + [LOGS][CLEAR_LOG] = { "LOGS_CLEAR_LOG", cmd_logs_clear_log, 0x10, + CXL_MBOX_IMMEDIATE_LOG_CHANGE}, [FEATURES][GET_SUPPORTED] = { "FEATURES_GET_SUPPORTED", cmd_features_get_supported, 0x8, 0 }, [FEATURES][GET_FEATURE] = { "FEATURES_GET_FEATURE",