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Mon, 3 Feb 2025 06:00:50 +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 1/3] hw/cxl/cxl-mailbox-utils.c: Added support for Get Log Capabilities (Opcode 0402h) Date: Mon, 3 Feb 2025 11:29:48 +0530 Message-Id: <20250203055950.2126627-2-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+NgFprDJsWRmVeSWpSXmKPExsWy7bCmlu6r9QvTDXoPqltMP6xo8eX0HjaL 3sVLWC1W31zDaHHzwE4mi4UblzFZnJ91isXi77a9jBbHe3ewALlz2B24PHbOusvu8eTaZiaP vi2rGD2mzq73+LxJLoA1KtsmIzUxJbVIITUvOT8lMy/dVsk7ON453tTMwFDX0NLCXEkhLzE3 1VbJxSdA1y0zB+gmJYWyxJxSoFBAYnGxkr6dTVF+aUmqQkZ+cYmtUmpBSk6BSYFecWJucWle ul5eaomVoYGBkSlQYUJ2xuP9O5gKpulUzFi2k6mBcZVCFyMnh4SAicSq/x1sILaQwG5GiUtr dbsYuYDsT4wSFw6vZ4FwvjFK/PlzjamLkQOs48RHqPheRokz3RdYIZwGJolthyeBjWIT0JE4 f3sumC0iICnxu+s0M0gRs8AbRokHVxcwgySEBTIkOu+3MoLYLAKqEquPHmIBsXkF7CUmvbzJ BnGfvMT+g2fB6jkFHCR+bL7JClEjKHFy5hOwemagmuats5kh6v+ySzz7Lw5hu0hc/9MOFReW eHV8CzuELSXxsr8Nys6W+DO/HWpXgcSinzOh4vYSraf6mUE+ZhbQlFi/Sx8iLCsx9dQ6Joi1 fBK9v58wQcR5JXbMg7HVJNp3zIcaIyPx5tdiqPEeEvfmzGWGBNZkRomFL4+wTmBUmIXknVlI 3pmFsHoBI/MqRsnUguLc9NRi0wLjvNRyeCQn5+duYgQnUy3vHYyPHnzQO8TIxMF4iFGCg1lJ hPf09gXpQrwpiZVVqUX58UWlOanFhxhNgeE9kVlKNDkfmM7zSuINTSwNTMzMzEwsjc0MlcR5 m3e2pAsJpCeWpGanphakFsH0MXFwSjUw2aw/6LflyIobSxlcTt/atsaof83Ls5kWU3tWnrA8 MEPlzXLe/ZlPrHX53AqVkt+0OwdHhO77rqs4beK78uKe7r+ncjcZfTHx1JdxfCudcdNc0eCj 8wMnUb64sHibqAcam5aY/J13pnpq+uZVkVYvnv+2f8hRc+lVQfrFi8zv+Rawh247M6emLDTM Rn+rf8Lvu1kLmS7LVbgsfHHndWjU9Pj0/9zHk25lpCdOcZS/drL/wzWFz0Fy6kJz82bZnl58 KX1JX/MH88Ntk0wmHxTLFbxvec3V+FGyuNur3Sx5ugJTd27Yr1C/8GHih7Md611UK0W31Hot +sD6IivrVSfHVr5fW9UUl77aEfe4PN9fR4mlOCPRUIu5qDgRAJ/DqJovBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCLMWRmVeSWpSXmKPExsWy7bCSvO7k6AXpBlO/q1hMP6xo8eX0HjaL 3sVLWC1W31zDaHHzwE4mi4UblzFZnJ91isXi77a9jBbHe3ewALlz2B24PHbOusvu8eTaZiaP vi2rGD2mzq73+LxJLoA1issmJTUnsyy1SN8ugSvj8f4dTAXTdCpmLNvJ1MC4SqGLkYNDQsBE 4sRHli5GLg4hgd2MErs2bWTsYuQEistIXJz5mAXCFpZY+e85O0TRP0aJf5v+s4Ek2AR0JM7f ngtmiwhISvzuOs0MUsQs8I1RYs6tF6wgCWGBNInOGRfZQWwWAVWJ1UcPgU3lFbCXmPTyJhvE BnmJ/QfPMoPYnAIOEj823wTrFQKqOd9+hAmiXlDi5MwnYL3MQPXNW2czT2AUmIUkNQtJagEj 0ypGydSC4tz03GTDAsO81HK94sTc4tK8dL3k/NxNjOCA19LYwfjuW5P+IUYmDsZDjBIczEoi vByH56QL8aYkVlalFuXHF5XmpBYfYpTmYFES511pGJEuJJCeWJKanZpakFoEk2Xi4JRqYAp3 YdZpcF0yqe3VdN+/h1XVjl75e/F5iF7shBVzvBgyk75t+D+7nnOthlDQYt/Q0w47j/XfW9qy xGDFu6D9kco3YkTiLWU+mRXoKIhM405aej7r3KbbIp8+cp1ue1dSrZP9vULPsFVKr+5ofkG0 n9vZdQ0bF2XPfqXIuWSVxfz/Aol3pn0Pb2dnMpzQM8+C8ZeFWfiP35dYRKPOiW9ufh9q6rno 085z5w+6V3mzXr7w29b3vuuSE77skdJT4l/EabToW0hHz3t1KZSj79FDw1txwulinjYnHCI+ XPWYaLXwNmuUjm+HYzmTsf/93KoKD36WWefXOy59y3ExX1BFOGl/wL3mG9Xas9pTBS79UmIp zkg01GIuKk4EAK65lk/nAgAA X-CMS-MailID: 20250203060051epcas5p350b7b24d3b5fcff25bc30e1acccd8121 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250203060051epcas5p350b7b24d3b5fcff25bc30e1acccd8121 References: <20250203055950.2126627-1-arpit1.kumar@samsung.com> Received-SPF: pass client-ip=203.254.224.24; envelope-from=arpit1.kumar@samsung.com; helo=mailout1.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_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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 02:00:23 -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 | 55 ++++++++++++++++++++++++++++++++++++ include/hw/cxl/cxl_device.h | 31 ++++++++++++++++++++ include/hw/cxl/cxl_mailbox.h | 5 ++++ 3 files changed, 91 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 9c7ea5bc35..3d66a425a9 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -76,6 +76,7 @@ enum { LOGS = 0x04, #define GET_SUPPORTED 0x0 #define GET_LOG 0x1 + #define GET_LOG_CAPABILITIES 0x2 FEATURES = 0x05, #define GET_SUPPORTED 0x0 #define GET_FEATURE 0x1 @@ -1075,6 +1076,45 @@ static CXLRetCode cmd_logs_get_log(const struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +static int32_t valid_log_check(QemuUUID *uuid, CXLCCI *cci) +{ + int32_t id = -1; + for (int i = CEL; i < MAX_LOG_TYPE; i++) { + if (qemu_uuid_is_equal(uuid, + &cci->supported_log_cap[i].uuid)) { + id = i; + break; + } + } + return id; +} + +/* CXL r3.1 Section 8.2.9.5.3: Get Log Capabilities (Opcode 0402h) */ +static CXLRetCode cmd_logs_get_log_capabilities(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) * get_log_capabilities_in = (void *)payload_in; + + CXLParamFlags *get_log_capabilities_out = (void *)payload_out; + + cap_id = valid_log_check(&get_log_capabilities_in->uuid, cci); + if (cap_id == -1) { + return CXL_MBOX_INVALID_LOG; + } + + memcpy(get_log_capabilities_out, &cci->supported_log_cap[cap_id].param_flags.pflags, + sizeof(CXLParamFlags)); + *len_out = sizeof(*get_log_capabilities_out); + return CXL_MBOX_SUCCESS; +} + /* CXL r3.1 section 8.2.9.6: Features */ /* * Get Supported Features output payload @@ -2840,6 +2880,8 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = { [LOGS][GET_SUPPORTED] = { "LOGS_GET_SUPPORTED", cmd_logs_get_supported, 0, 0 }, [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 }, [FEATURES][GET_SUPPORTED] = { "FEATURES_GET_SUPPORTED", cmd_features_get_supported, 0x8, 0 }, [FEATURES][GET_FEATURE] = { "FEATURES_GET_FEATURE", @@ -3084,10 +3126,23 @@ static void cxl_rebuild_cel(CXLCCI *cci) } } +static const struct CXLLogCapabilities cxl_get_log_cap[MAX_LOG_TYPE] = { + [CEL] = {.param_flags.pflags = CXL_LOG_CAP_CLEAR | CXL_LOG_CAP_POPULATE, + .uuid = cel_uuid}, +}; + +static void cxl_init_get_log(CXLCCI *cci) +{ + for (int set = CEL; set < MAX_LOG_TYPE; set++) { + cci->supported_log_cap[set] = cxl_get_log_cap[set]; + } +} + void cxl_init_cci(CXLCCI *cci, size_t payload_max) { cci->payload_max = payload_max; cxl_rebuild_cel(cci); + cxl_init_get_log(cci); cci->bg.complete_pct = 0; cci->bg.starttime = 0; diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index a64739be25..e7cb99a1d2 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -164,6 +164,18 @@ typedef enum { CXL_MBOX_MAX = 0x20 } CXLRetCode; +/* types of logs */ +enum Logs { + CEL, + VDL, + CSDL, + ECSL, + MTCL, + MTRSL, + MTRLL, + MAX_LOG_TYPE +}; + typedef struct CXLCCI CXLCCI; typedef struct cxl_device_state CXLDeviceState; struct cxl_cmd; @@ -194,6 +206,22 @@ typedef struct CXLEventLog { QSIMPLEQ_HEAD(, CXLEvent) events; } CXLEventLog; +typedef struct CXLParamFlags { + union { + uint32_t clear_log_supported:1; + uint32_t populate_log_supported:1; + uint32_t auto_populate_supported:1; + uint32_t persistent_across_cold_reset:1; + uint32_t reserved:28; + uint32_t pflags; + }; +} CXLParamFlags; + +typedef struct CXLLogCapabilities { + CXLParamFlags param_flags; + QemuUUID uuid; +} CXLLogCapabilities; + typedef struct CXLCCI { struct cxl_cmd cxl_cmd_set[256][256]; struct cel_log { @@ -202,6 +230,9 @@ typedef struct CXLCCI { } cel_log[1 << 16]; size_t cel_size; + /* get log capabilities */ + CXLLogCapabilities supported_log_cap[MAX_LOG_TYPE]; + /* background command handling (times in ms) */ struct { uint16_t opcode; diff --git a/include/hw/cxl/cxl_mailbox.h b/include/hw/cxl/cxl_mailbox.h index 9008402d1c..f3502c3f68 100644 --- a/include/hw/cxl/cxl_mailbox.h +++ b/include/hw/cxl/cxl_mailbox.h @@ -16,4 +16,9 @@ #define CXL_MBOX_BACKGROUND_OPERATION (1 << 6) #define CXL_MBOX_BACKGROUND_OPERATION_ABORT (1 << 7) +#define CXL_LOG_CAP_CLEAR 1 +#define CXL_LOG_CAP_POPULATE (1 << 1) +#define CXL_LOG_CAP_AUTO_POPULATE (1 << 2) +#define CXL_LOG_CAP_PERSISTENT_COLD_RESET (1 << 3) + #endif From patchwork Mon Feb 3 05:59:49 2025 Content-Type: text/plain; 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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", From patchwork Mon Feb 3 05:59:50 2025 Content-Type: text/plain; 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Mon, 3 Feb 2025 06:00:53 +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 3/3] hw/cxl/cxl-mailbox-utils.c: Added support for Populate Log (Opcode 0404h) as background operation Date: Mon, 3 Feb 2025 11:29:50 +0530 Message-Id: <20250203055950.2126627-4-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+NgFprHJsWRmVeSWpSXmKPExsWy7bCmlu779QvTDfafNreYfljR4svpPWwW vYuXsFqsvrmG0eLmgZ1MFgs3LmOyOD/rFIvF3217GS2O9+5gAXLnsDtweeycdZfd48m1zUwe fVtWMXpMnV3v8XmTXABrVLZNRmpiSmqRQmpecn5KZl66rZJ3cLxzvKmZgaGuoaWFuZJCXmJu qq2Si0+ArltmDtBNSgpliTmlQKGAxOJiJX07m6L80pJUhYz84hJbpdSClJwCkwK94sTc4tK8 dL281BIrQwMDI1OgwoTsjK5371gKnqpVNCy7zt7A+Fayi5GTQ0LAROLPjE6WLkYuDiGB3YwS My80M0I4nxgluhY0M8M577/fYYJp2XztKxtEYiejxP22h1D9DUwSk062MYNUsQnoSJy/PZcN xBYRkJT43XUabBSzwBtGiQdXF4AVCQtUSFzfMgesiEVAVWL7hDNAyzk4eAXsJVZ8qIbYJi+x /+BZsHJOAQeJH5tvsoLYvAKCEidnPmEBsZmBapq3zgabLyHwk13i5LG1jBDNLhKbji+HOltY 4tXxLewQtpTEy/42KDtb4s/8djYIu0Bi0c+ZUHF7idZT/cwg9zALaEqs36UPEZaVmHpqHRPE Xj6J3t9PoMbzSuyYB2OrSbTvmA81Rkbiza/FUOM9JB5f6GGCBNZkRonvL56wTmBUmIXkn1lI /pmFsHoBI/MqRsnUguLc9NRi0wLjvNRyeDQn5+duYgQnVC3vHYyPHnzQO8TIxMF4iFGCg1lJ hPf09gXpQrwpiZVVqUX58UWlOanFhxhNgeE9kVlKNDkfmNLzSuINTSwNTMzMzEwsjc0MlcR5 m3e2pAsJpCeWpGanphakFsH0MXFwSjUwvY0SqCufv2rlnHk5xhtCW9/oTjtV+m12ysxK42cv jlkmP156QoLL5AwH17ZpLs43mpy4+y4vPM/Ua7xp/e9i0e+sM09piVgflX38UC/oB4eRTHNo 1urLTK0XfhrcCn28w/egksb8sCoLywptjRPZWpsyt305c7lX9cw5RTPOjUnLnt04JLUzZZnh KxHLc4xrG8M/te2XlMiubDshYH6Et/1R6UILpYim8wlqXNzBfwOuub3Y8zhJm2Pyn+6mi59S Dp93sDzwf1NkKZeetdwcmYWz+D7479++7M3rk1xvPZdlKpyazpBZ2MknwLRUYEHv65Dl25fY HTOdV684s3lBpcUh4V7VmkPfvsvfL3iZp8RSnJFoqMVcVJwIAMCDxg4xBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrALMWRmVeSWpSXmKPExsWy7bCSvO606AXpBiduWFlMP6xo8eX0HjaL 3sVLWC1W31zDaHHzwE4mi4UblzFZnJ91isXi77a9jBbHe3ewALlz2B24PHbOusvu8eTaZiaP vi2rGD2mzq73+LxJLoA1issmJTUnsyy1SN8ugSuj6907loKnahUNy66zNzC+lexi5OSQEDCR 2HztK1sXIxeHkMB2RonFO+awQiRkJC7OfMwCYQtLrPz3nB2i6B+jxJt/J8ASbAI6Eudvz2UD sUUEJCV+d51mBiliFvjGKDHn1guwScICZRKnd51gBrFZBFQltk84w9jFyMHBK2AvseJDNcQC eYn9B8+ClXAKOEj82HwTrFUIqOR8+xEmEJtXQFDi5MwnYHuZgeqbt85mnsAoMAtJahaS1AJG plWMoqkFxbnpuckFhnrFibnFpXnpesn5uZsYwYGuFbSDcdn6v3qHGJk4GA8xSnAwK4nwchye ky7Em5JYWZValB9fVJqTWnyIUZqDRUmcVzmnM0VIID2xJDU7NbUgtQgmy8TBKdXApH1sRpzS 8mur3YyT58TG5aa6ORX6CHwXSTbjZQ28ed6qdkvz/KAi3wMTwu1/zrv071WYl/Dnjj8rqr0f SHAlXHx79HLmTh5D4ZTf/Q+Pa35bxLrT9M6hg0q3dMXr1b6b3k198qRj692wXFa3uj1Tqjk5 uDueTJjyR+vDxItz9i+V6L3Mf0P9w6nLMtWs/y+lT9n+/5si8+Onbnn878/8sXl0g9M53yxx w+zH+xu4Fkr/0ZGKSbGR2XWm7EHNRH5BXgFlhcdJr11ayrUS2YR3rjE8eNXEtq0mQ/gEV+0f neza7Gjeh2afbLRjPOfv/lBs7q1/TpIn/tO+pWtXW2sukbny+Vi1ieJu6af7xAKOK7EUZyQa ajEXFScCAHwI3ZXjAgAA X-CMS-MailID: 20250203060055epcas5p4a7889ddf3b73b10f8b9b41778375ce63 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250203060055epcas5p4a7889ddf3b73b10f8b9b41778375ce63 References: <20250203055950.2126627-1-arpit1.kumar@samsung.com> Received-SPF: pass client-ip=203.254.224.24; envelope-from=arpit1.kumar@samsung.com; helo=mailout1.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_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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 02:00:52 -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 | 95 +++++++++++++++++++++++++++++++++++++ include/hw/cxl/cxl_device.h | 2 + 2 files changed, 97 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 5fd7f850c4..115c2dc66b 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -78,6 +78,7 @@ enum { #define GET_LOG 0x1 #define GET_LOG_CAPABILITIES 0x2 #define CLEAR_LOG 0x3 + #define POPULATE_LOG 0x4 FEATURES = 0x05, #define GET_SUPPORTED 0x0 #define GET_FEATURE 0x1 @@ -1149,6 +1150,94 @@ static CXLRetCode cmd_logs_clear_log(const struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +static void cxl_rebuild_cel(CXLCCI *cci); + +static int get_populate_duration(uint32_t total_mem) +{ + int secs = 0; + + if (total_mem <= 512) { + secs = 4; + } else if (total_mem <= 1024) { + secs = 8; + } else if (total_mem <= 2 * 1024) { + secs = 15; + } else if (total_mem <= 4 * 1024) { + secs = 30; + } else if (total_mem <= 8 * 1024) { + secs = 60; + } else if (total_mem <= 16 * 1024) { + secs = 2 * 60; + } else if (total_mem <= 32 * 1024) { + secs = 4 * 60; + } else if (total_mem <= 64 * 1024) { + secs = 8 * 60; + } else if (total_mem <= 128 * 1024) { + secs = 15 * 60; + } else if (total_mem <= 256 * 1024) { + secs = 30 * 60; + } else if (total_mem <= 512 * 1024) { + secs = 60 * 60; + } else if (total_mem <= 1024 * 1024) { + secs = 120 * 60; + } else { + secs = 240 * 60; /* max 4 hrs */ + } + + return secs; +} + +/* CXL r3.1 Section 8.2.9.5.5: Populate log (Opcode 0404h) */ +static CXLRetCode cmd_logs_populate_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; + uint32_t total_mem = 0; + int secs = 0; + struct { + QemuUUID uuid; + } QEMU_PACKED QEMU_ALIGNED(8) * populate_log = (void *)payload_in; + + cap_id = valid_log_check(&populate_log->uuid, cci); + if (cap_id == -1) { + return CXL_MBOX_INVALID_LOG; + } + + if (cci->supported_log_cap[cap_id].param_flags.populate_log_supported) { + switch (cap_id) { + case CEL: + cci->log = CEL; + total_mem = (1 << 16) * sizeof(struct cel_log); + secs = get_populate_duration(total_mem >> 20); + goto start_bg; + break; + default: + return CXL_MBOX_UNSUPPORTED; + } + } + return CXL_MBOX_UNSUPPORTED; + +start_bg: + cci->bg.runtime = secs * 1000UL; + *len_out = 0; + return CXL_MBOX_BG_STARTED; +} + +static void __do_populate(CXLCCI *cci) +{ + switch (cci->log) { + case CEL: + cxl_rebuild_cel(cci); + break; + default: + break; + } +} + /* CXL r3.1 section 8.2.9.6: Features */ /* * Get Supported Features output payload @@ -2918,6 +3007,9 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = { cmd_logs_get_log_capabilities, 0x10, 0 }, [LOGS][CLEAR_LOG] = { "LOGS_CLEAR_LOG", cmd_logs_clear_log, 0x10, CXL_MBOX_IMMEDIATE_LOG_CHANGE}, + [LOGS][POPULATE_LOG] = { "LOGS_POPULATE_LOG", cmd_logs_populate_log, 0x10, + (CXL_MBOX_IMMEDIATE_LOG_CHANGE | + CXL_MBOX_BACKGROUND_OPERATION)}, [FEATURES][GET_SUPPORTED] = { "FEATURES_GET_SUPPORTED", cmd_features_get_supported, 0x8, 0 }, [FEATURES][GET_FEATURE] = { "FEATURES_GET_FEATURE", @@ -3098,6 +3190,9 @@ static void bg_timercb(void *opaque) case 0x0201: /* fw transfer */ __do_firmware_xfer(cci); break; + case 0x0404: /* populate_ log */ + __do_populate(cci); + break; case 0x4400: /* sanitize */ { CXLType3Dev *ct3d = CXL_TYPE3(cci->d); diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index e7cb99a1d2..d90d0d4a8f 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -230,6 +230,8 @@ typedef struct CXLCCI { } cel_log[1 << 16]; size_t cel_size; + enum Logs log; + /* get log capabilities */ CXLLogCapabilities supported_log_cap[MAX_LOG_TYPE];