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Tue, 18 Feb 2025 08:58:10 +0000 (GMT) Received: from epsmgmcp1.samsung.com (unknown [182.195.42.82]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20250218085810epsmtrp24ab3b9a61c7b6517f6c12273dab424d0~lQbhFEPSM2184521845epsmtrp2K; Tue, 18 Feb 2025 08:58:10 +0000 (GMT) X-AuditID: b6c32a44-36bdd70000004cfe-34-67b44f70620d Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id 62.DC.33707.2AB44B76; Tue, 18 Feb 2025 17:58:10 +0900 (KST) Received: from test-PowerEdge-R740xd.samsungds.net (unknown [107.99.41.79]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250218085809epsmtip13f77c85799bfe0e8c6ad7c859181449d~lQbfqHevn1080210802epsmtip1e; Tue, 18 Feb 2025 08:58:09 +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 v2 1/3] hw/cxl/cxl-mailbox-utils.c: Added support for Get Log Capabilities (Opcode 0402h) Date: Tue, 18 Feb 2025 14:27:29 +0530 Message-Id: <20250218085731.550029-2-arpit1.kumar@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250218085731.550029-1-arpit1.kumar@samsung.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprHJsWRmVeSWpSXmKPExsWy7bCmpm6B/5Z0g96HkhbTDytafDm9h82i d/ESVovVN9cwWtw8sJPJYuHGZUwW52edYrH4u20vo8Xx3h0sQO4cdgcuj52z7rJ7PLm2mcmj b8sqRo+ps+s9Pm+SC2CNyrbJSE1MSS1SSM1Lzk/JzEu3VfIOjneONzUzMNQ1tLQwV1LIS8xN tVVy8QnQdcvMAbpJSaEsMacUKBSQWFyspG9nU5RfWpKqkJFfXGKrlFqQklNgUqBXnJhbXJqX rpeXWmJlaGBgZApUmJCdsez3NpaCZ5oV35qXszcwTpLvYuTkkBAwkZjQc4a9i5GLQ0hgN6PE t8df2SCcT4wSh/e/ZYdz9r/vYIJpWf9zAStEYiejxLoft5ggnAYmiVl3jjODVLEJ6Eicvz2X DcQWEZCU+N11mhmkiFngDaPEg6sLwIqEBbIlmtu72EFsFgFViVe/j4DZvAJ2EqunPGaEWCcv sf/gWbB6TgF7idvvv0PVCEqcnPmEBcRmBqpp3jobbIGEwE92iWub17BDNLtIbHm9ghXCFpZ4 dXwLVFxK4vO7vWwQdrbEn/ntUHaBxKKfM6Fq7CVaT/UDDeUAWqApsX6XPkRYVmLqqXVMEHv5 JHp/P4EGC6/EjnkwtppE+475UGNkJN78Wgw13kPi2MmvYH8JCUwChvasnAmMCrOQvDMLyTuz EDYvYGRexSiZWlCcm56abFpgmJdaDo/m5PzcTYzghKrlsoPxxvx/eocYmTgYDzFKcDArifAe 6tqQLsSbklhZlVqUH19UmpNafIjRFBjeE5mlRJPzgSk9ryTe0MTSwMTMzMzE0tjMUEmct3ln S7qQQHpiSWp2ampBahFMHxMHp1QDk/NnNq9dna+7hLKPFD3psGCc//GQl9Eqhgemr+PDZ243 2lm1PPmTcF/k/fxvgbl2bIf0f9hxPkho29rnZpb24GThtQ9mD5MVTuZEpTPmuD319Mu8MO/k AaVUrv4pwgkbT9fV3T60oOGuyDSllHDleqXmwz9KHpw3LOs7H9l370B8K++kg1pbZ5iUHAhS qViTpiD1Z6/vvFr1C8sEOY7V9dkkLbOSrOebujCG+4b1/oQ0m+zf3zfc2dj8m3+eIr+YTvDz dDZR/zsMczXEDlVNWpF2zvvQ84vFYXf87J4edNaebfGwWK6dSe2W645TNZP9FxXXXjQzf9In f/Fo0fQ57HzVzQv4vsdy/omtfNqlxFKckWioxVxUnAgA1ibEtzEEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrILMWRmVeSWpSXmKPExsWy7bCSnO4i7y3pBqf2aVhMP6xo8eX0HjaL 3sVLWC1W31zDaHHzwE4mi4UblzFZnJ91isXi77a9jBbHe3ewALlz2B24PHbOusvu8eTaZiaP vi2rGD2mzq73+LxJLoA1issmJTUnsyy1SN8ugStj2e9tLAXPNCu+NS9nb2CcJN/FyMkhIWAi sf7nAtYuRi4OIYHtjBIf/85ihEjISFyc+ZgFwhaWWPnvOTtE0T9GibWzr4Il2AR0JM7fnssG YosISEr87jrNDFLELPCNUWLOrResIAlhgUyJi2sngNksAqoSr34fYQexeQXsJFZPeQy1TV5i /8GzzCA2p4C9xO3338FqhIBqNnT9ZYSoF5Q4OfMJ2GJmoPrmrbOZJzAKzEKSmoUktYCRaRWj aGpBcW56bnKBoV5xYm5xaV66XnJ+7iZGcKhrBe1gXLb+r94hRiYOxkOMEhzMSiK8h7o2pAvx piRWVqUW5ccXleakFh9ilOZgURLnVc7pTBESSE8sSc1OTS1ILYLJMnFwSjUwbTv/TyT8/t1v nR/FxbgkF+i+evico78lU+24iFW31ZmmVaXizrd4WOOErkRtnXrA3DQzIexkcspBq7O7ltYx uE5vsD25Pn8a06zvPx6bamkf/b3p2dfrQSkdu5Y5LWCcuPTJa1WNdTr1rCeTFi848He3ItPu nzlX9/08tULeU/1/klhAQjFnWMdCK8eHJZvuJTrFVr1QEpoxZcqSGe8+tew6saqy7d1epWsb XZkOpKxPWeAlcTTL7pbfr8w5H0QLNn07a2o+pSTBMmy7bO7i7pYz8V+nSu21/2VzdcnckljB m8tqX01kfHdvikP82aUev+d/lGSR13frac/wvVN1NVfo9umQnvCNtiL3BARmr1FiKc5INNRi LipOBACtoqY/5AIAAA== X-CMS-MailID: 20250218085810epcas5p42b0e96fff3fff297a1e7334cc7feae9f X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250218085810epcas5p42b0e96fff3fff297a1e7334cc7feae9f References: <20250218085731.550029-1-arpit1.kumar@samsung.com> CXL spec 3.2 section 8.2.10.5.3 describes Get Log Capabilities. It provides log capabilities supported by specified log. Signed-off-by: Arpit Kumar --- hw/cxl/cxl-mailbox-utils.c | 45 ++++++++++++++++++++++++++++++++++++ include/hw/cxl/cxl_device.h | 20 ++++++++++++++++ include/hw/cxl/cxl_mailbox.h | 5 ++++ 3 files changed, 70 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 9c7ea5bc35..5b0f793ac5 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 +1076,43 @@ static CXLRetCode cmd_logs_get_log(const struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +static const struct CXLLogCapabilities *find_log_index(QemuUUID *uuid, CXLCCI *cci) +{ + for (int i = CXL_LOG_COMMAND_EFFECT; i < MAX_LOG_TYPE; i++) { + if (qemu_uuid_is_equal(uuid, + &cci->supported_log_cap[i].uuid)) { + return &cci->supported_log_cap[i]; + } + } + return NULL; +} + +/* CXL r3.2 Section 8.2.10.5.3: 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) +{ + const CXLLogCapabilities *cap; + struct { + QemuUUID uuid; + } QEMU_PACKED QEMU_ALIGNED(8) * get_log_capabilities_in = (void *)payload_in; + + uint32_t *get_log_capabilities_out = (uint32_t *)payload_out; + + cap = find_log_index(&get_log_capabilities_in->uuid, cci); + if (!cap) { + return CXL_MBOX_INVALID_LOG; + } + + memcpy(get_log_capabilities_out, &cap->param_flags, + sizeof(cap->param_flags)); + *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 +2878,8 @@ 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 +3124,15 @@ static void cxl_rebuild_cel(CXLCCI *cci) } } +static const struct CXLLogCapabilities cxl_get_log_cap[MAX_LOG_TYPE] = { + [CXL_LOG_COMMAND_EFFECT] = {.param_flags = 0, .uuid = cel_uuid}, +}; + void cxl_init_cci(CXLCCI *cci, size_t payload_max) { cci->payload_max = payload_max; cxl_rebuild_cel(cci); + cci->supported_log_cap = cxl_get_log_cap; 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..23f6f4ed17 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 */ +typedef enum { + CXL_LOG_COMMAND_EFFECT, + CXL_LOG_VENDOR_DEBUG, + CXL_LOG_COMPONENT_STATE_DUMP, + CXL_LOG_ERROR_CHECK_SCRUB, + CXL_LOG_MEDIA_TEST_CAPABILITY, + CXL_LOG_MEDIA_TEST_RESULTS_SHORT, + CXL_LOG_MEDIA_TEST_RESULTS_LONG, + MAX_LOG_TYPE +} CXLLogType; + typedef struct CXLCCI CXLCCI; typedef struct cxl_device_state CXLDeviceState; struct cxl_cmd; @@ -194,6 +206,11 @@ typedef struct CXLEventLog { QSIMPLEQ_HEAD(, CXLEvent) events; } CXLEventLog; +typedef struct CXLLogCapabilities { + uint32_t param_flags; + QemuUUID uuid; +} CXLLogCapabilities; + typedef struct CXLCCI { struct cxl_cmd cxl_cmd_set[256][256]; struct cel_log { @@ -202,6 +219,9 @@ typedef struct CXLCCI { } cel_log[1 << 16]; size_t cel_size; + /* get log capabilities */ + const CXLLogCapabilities *supported_log_cap; + /* 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..8e1c7c5f15 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_SUPPORTED (1 << 0) +#define CXL_LOG_CAP_POPULATE_SUPPORTED (1 << 1) +#define CXL_LOG_CAP_AUTO_POPULATE_SUPPORTED (1 << 2) +#define CXL_LOG_CAP_PERSISTENT_COLD_RESET_SUPPORTED (1 << 3) + #endif From patchwork Tue Feb 18 08:57:30 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arpit Kumar X-Patchwork-Id: 13979361 Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61B7F22DFAF for ; 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Tue, 18 Feb 2025 17:58:12 +0900 (KST) Received: from test-PowerEdge-R740xd.samsungds.net (unknown [107.99.41.79]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250218085810epsmtip17068f6c2cd445cd3b5c4c724710cda67~lQbhMmSLW1084010840epsmtip1Y; Tue, 18 Feb 2025 08:58:10 +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 v2 2/3] hw/cxl/cxl-mailbox-utils.c: Added support for Clear Log (Opcode 0403h) Date: Tue, 18 Feb 2025 14:27:30 +0530 Message-Id: <20250218085731.550029-3-arpit1.kumar@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250218085731.550029-1-arpit1.kumar@samsung.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDJsWRmVeSWpSXmKPExsWy7bCmpm6x/5Z0g96D3BbTDytafDm9h82i d/ESVovVN9cwWtw8sJPJYuHGZUwW52edYrH4u20vo8Xx3h0sQO4cdgcuj52z7rJ7PLm2mcmj b8sqRo+ps+s9Pm+SC2CNyrbJSE1MSS1SSM1Lzk/JzEu3VfIOjneONzUzMNQ1tLQwV1LIS8xN tVVy8QnQdcvMAbpJSaEsMacUKBSQWFyspG9nU5RfWpKqkJFfXGKrlFqQklNgUqBXnJhbXJqX rpeXWmJlaGBgZApUmJCd8fDRA5aCV0IVT5cuZ29g7OXtYuTgkBAwkWg4I9vFyMUhJLCbUWJx 8wEmCOcTo8Tl2TOYIZxvjBI7Tv8EcjjBOq4sWgqV2Mso8eDGD7CEkEADk0TPbCkQm01AR+L8 7blsILaIgKTE767TYA3MAm+AGq4uAGsQFkiQ+DfpApjNIqAq8e38JVYQm1fATuLB5CYWiG3y EvsPngWr4RSwl7j9/js7RI2gxMmZT8BqmIFqmrfOhrruJ7vE18cxELaLxK3Nv1khbGGJV8e3 sEPYUhIv+9ug7GyJP/Pb2SDsAolFP2dCxe0lWk/1M4PCiFlAU2L9Ln2IsKzE1FPrmCDW8kn0 /n7CBBHnldgxD8ZWk2jfMR9qjIzEm1+LocZ7SDzZ188ICbhJjBLzX69insCoMAvJO7OQvDML YfUCRuZVjJKpBcW56anJpgWGeanl8EhOzs/dxAhOplouOxhvzP+nd4iRiYPxEKMEB7OSCO+h rg3pQrwpiZVVqUX58UWlOanFhxhNgeE9kVlKNDkfmM7zSuINTSwNTMzMzEwsjc0MlcR5m3e2 pAsJpCeWpGanphakFsH0MXFwSjUwBSWyi2bI3+w1ezXJJOV+ns7E961cP24dYPlv9OMV36Q7 ebKZEtO0TrX/4zZtCA5mSli63io7J6zyhNQ8R8GsopjVXD80/FfK6/y1V8+PsPf559hkOPXi iukvPXl+MPtc+atq4SEnp514+3vUg/X71uimvMtPqPr9UNNBeWLw5sRgjZ/3n+0w3/BlpV7B Mp3c8N43qkGMHUmqWT5XGp4tCd/gy9304UoWS0z1lZ/6UcdPPC6wlhDc1q598Rv3E4s/6vPm cQi9FxbcpvzkRcRGn8Aix9JH4qw+j9w0yta/DpkZ/2/HhirjVbsdGiXWlRS9DuHol+rSEeAN +zDN4vU+p+vbJ9Xd7j3QLcjKe0KJpTgj0VCLuag4EQB1PDuwLwQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrMLMWRmVeSWpSXmKPExsWy7bCSnO4S7y3pBot+CFlMP6xo8eX0HjaL 3sVLWC1W31zDaHHzwE4mi4UblzFZnJ91isXi77a9jBbHe3ewALlz2B24PHbOusvu8eTaZiaP vi2rGD2mzq73+LxJLoA1issmJTUnsyy1SN8ugSvj4aMHLAWvhCqeLl3O3sDYy9vFyMkhIWAi cWXRUuYuRi4OIYHdjBIHrn1lhUjISFyc+ZgFwhaWWPnvOTuILSTwj1FiyXo2EJtNQEfi/O25 YLaIgKTE767TYIOYBb4xSsy59QJoEAeHsECcxK0TKiA1LAKqEt/OXwKbzytgJ/FgchPUfHmJ /QfPMoPYnAL2Erfff4faZSexoesvI0S9oMTJmU/A6pmB6pu3zmaewCgwC0lqFpLUAkamVYyS qQXFuem5xYYFRnmp5XrFibnFpXnpesn5uZsYweGupbWDcc+qD3qHGJk4GA8xSnAwK4nwHura kC7Em5JYWZValB9fVJqTWnyIUZqDRUmc99vr3hQhgfTEktTs1NSC1CKYLBMHp1QD0yaWc+F8 vdYKbPUBC77WzDzB8PHEw83LQsUSVVxXCv3sNb5682vZpFKp7asiHVTC5wTXSAR+qPNteXpX Wirg69vCm7syZE2OLtzzXU7UoFDX/kJYVC2TdP372YY3Bb/dW/SGgfdM6Xq2tCt8p5/fnvaP 5zPvsc9Lqn9GshsX/DvdMiWnqzyKe4OftOjTNu71l+YsbXOU+HZp587I4IwvPocM7u182xH+ 3rfTjUs21mWTqsh0m4fHG7z5ed+/bOblOqk7O7hay+Ok2sOV7p3GOTab+BsYjq1PVWS1PFR+ pt9rz86ly2//rq8MfL79fDX3JkHDZWvmchq7flyhm7Q3m3XfN/Ygo6R5isb7j8VfVWIpzkg0 1GIuKk4EAOGfQoXmAgAA X-CMS-MailID: 20250218085812epcas5p3981d9649c89f876d59724a24c0ed8d80 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250218085812epcas5p3981d9649c89f876d59724a24c0ed8d80 References: <20250218085731.550029-1-arpit1.kumar@samsung.com> CXL spec 3.2 section 8.2.10.5.4 describes clear log. It clears the content of the specified log. Signed-off-by: Arpit Kumar --- hw/cxl/cxl-mailbox-utils.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 5b0f793ac5..1caee3f058 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 @@ -1113,6 +1114,30 @@ static CXLRetCode cmd_logs_get_log_capabilities(const struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +/* CXL r3.2 Section 8.2.10.5.4: 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) +{ + const CXLLogCapabilities *cap; + struct { + QemuUUID uuid; + } QEMU_PACKED QEMU_ALIGNED(8) * clear_log = (void *)payload_in; + + cap = find_log_index(&clear_log->uuid, cci); + if (!cap) { + return CXL_MBOX_INVALID_LOG; + } + + if (!(cap->param_flags & CXL_LOG_CAP_CLEAR_SUPPORTED)) { + return CXL_MBOX_UNSUPPORTED; + } + return CXL_MBOX_SUCCESS; +} + /* CXL r3.1 section 8.2.9.6: Features */ /* * Get Supported Features output payload @@ -2880,6 +2905,8 @@ 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 Tue Feb 18 08:57:31 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arpit Kumar X-Patchwork-Id: 13979362 Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 31D3322D7B1 for ; 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Tue, 18 Feb 2025 17:58:13 +0900 (KST) Received: from test-PowerEdge-R740xd.samsungds.net (unknown [107.99.41.79]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250218085812epsmtip1d927f54b63ac638f9f6c5add6d28ca93~lQbiutfID0756307563epsmtip1L; Tue, 18 Feb 2025 08:58:12 +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 v2 3/3] hw/cxl/cxl-mailbox-utils.c: Added support for Populate Log (Opcode 0404h) Date: Tue, 18 Feb 2025 14:27:31 +0530 Message-Id: <20250218085731.550029-4-arpit1.kumar@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250218085731.550029-1-arpit1.kumar@samsung.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprLJsWRmVeSWpSXmKPExsWy7bCmum6V/5Z0g10z9SymH1a0+HJ6D5tF 7+IlrBarb65htLh5YCeTxcKNy5gszs86xWLxd9teRovjvTtYgNw57A5cHjtn3WX3eHJtM5NH 35ZVjB5TZ9d7fN4kF8AalW2TkZqYklqkkJqXnJ+SmZduq+QdHO8cb2pmYKhraGlhrqSQl5ib aqvk4hOg65aZA3STkkJZYk4pUCggsbhYSd/Opii/tCRVISO/uMRWKbUgJafApECvODG3uDQv XS8vtcTK0MDAyBSoMCE749mj38wF34UrunffYGlgPMvbxcjJISFgInHs8n3mLkYuDiGB3YwS K/6fY4FwPjFKvHqzkxXC+cYoMbvzHyNMy9LjJ5ggEnsZJRZ+3QzV0sAk0d66jQmkik1AR+L8 7blsILaIgKTE767TYEuYBd4wSjy4uoAZJCEskCzR8noxO4jNIqAqcenLH6AVHBy8AnYSH7dm Q2yTl9h/8CxYOaeAvcTt99/BynkFBCVOznzCAmIzA9U0b50NNl9CoJFD4t72+8wQzS4Ss/a/ ZoWwhSVeHd/CDmFLSbzsb4OysyX+zG9ng7ALJBb9nAkVt5doPdXPDHIPs4CmxPpd+hBhWYmp p9YxQezlk+j9/YQJIs4rsWMejK0m0b5jPtQYGYk3vxZDjfeQmHvvMNg5QgKTGCVmnC6cwKgw C8k7s5C8Mwth8wJG5lWMkqkFxbnpqcWmBYZ5qeXwWE7Oz93ECE6nWp47GO8++KB3iJGJg/EQ owQHs5II76GuDelCvCmJlVWpRfnxRaU5qcWHGE2BwT2RWUo0OR+Y0PNK4g1NLA1MzMzMTCyN zQyVxHmbd7akCwmkJ5akZqemFqQWwfQxcXBKNTAJColsVYta8PrslXOb5h/7/ny9dfG227p7 5e5eV/gYNEvlUkytsLvTe7V5pnd+bYkTEHrO3RO2TZZJkfO0+7nCVcdUuSUnTNer2yi/2qam lmtZzEaLm9/qDv49UPt6a8ED5q3elxIatzpa70tiur12m3vnvHqxyEb5yO7KqGKBvzpHRIpW R5b62mxzW73G0PCt2VXdIhYjEyGBddntPCZvOl5wGgrEmi9Ycbf79ZUcs4Bmx6rXx12f9zYs rRY6vHaauM0B+/DV0SVOj2epnvwqel5rQVubg9jx87qf7OfMaL4buPfU/krLiW8CL93Mln7s vV3yVOqP1IuyPtosUxjt/jMV259pqFM9fabwYJESS3FGoqEWc1FxIgABLz4KMAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrMLMWRmVeSWpSXmKPExsWy7bCSnO5S7y3pBjdOW1tMP6xo8eX0HjaL 3sVLWC1W31zDaHHzwE4mi4UblzFZnJ91isXi77a9jBbHe3ewALlz2B24PHbOusvu8eTaZiaP vi2rGD2mzq73+LxJLoA1issmJTUnsyy1SN8ugSvj2aPfzAXfhSu6d99gaWA8y9vFyMkhIWAi sfT4CaYuRi4OIYHdjBIXF39ih0jISFyc+ZgFwhaWWPnvOTtE0T9GiXVNHxhBEmwCOhLnb89l A7FFBCQlfnedZgYpYhb4xigx59YL1i5GDg5hgUSJHbskQGpYBFQlLn35wwgS5hWwk/i4NRti vrzE/oNnmUFsTgF7idvvv4PdIARUsqHrL9gqXgFBiZMzn4DdwwxU37x1NvMERoFZSFKzkKQW MDKtYpRMLSjOTc9NNiwwzEst1ytOzC0uzUvXS87P3cQIDnctjR2M77416R9iZOJgPMQowcGs JMJ7qGtDuhBvSmJlVWpRfnxRaU5q8SFGaQ4WJXHelYYR6UIC6YklqdmpqQWpRTBZJg5OqQYm n+DD599uLXOaOOmMce/J4uM/dT0T/quv2KaQO1/OKTE3o6PuVcbtSVY1C3kvH/4S1vFx2ox1 F8/qXtptzdOXoLLc/K7eudkSG1+UqD64UiGUHO5t/KMhyjEpMy7Uo9rCnnU5u4Trnr0vXd88 mNjLp7uklOXCujULM73nX1f/c/VC+1kL0xVJ9TUa/CZPO0xS4ryfqK1ev2HGvA+SZ/e3lnJV Wp3WUd7s7P7ha5pVf2Yjs3JQ/HFHq8dn5MuNpguaruB4elpt0++YXyarp6sX765Q5Ha4ENFW 7MLx0J2XfUnfvImVO11N9lf6hLSxlEbY88aK6/VZlZd1HpMM/bi7fiGziuJRmfOPZi/ae0mJ pTgj0VCLuag4EQDCg5lr5gIAAA== X-CMS-MailID: 20250218085814epcas5p384be512f40b0add05588d2242e2f0061 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250218085814epcas5p384be512f40b0add05588d2242e2f0061 References: <20250218085731.550029-1-arpit1.kumar@samsung.com> CXL spec 3.2 section 8.2.10.5.5 describes populate log. It populates the contents of the specified log and can run as a background operation. Signed-off-by: Arpit Kumar --- hw/cxl/cxl-mailbox-utils.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 1caee3f058..b41b70a790 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 @@ -1138,6 +1139,30 @@ static CXLRetCode cmd_logs_clear_log(const struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +/* CXL r3.2 Section 8.2.10.5.5: 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) +{ + const CXLLogCapabilities *cap; + struct { + QemuUUID uuid; + } QEMU_PACKED QEMU_ALIGNED(8) * populate_log = (void *)payload_in; + + cap = find_log_index(&populate_log->uuid, cci); + if (!cap) { + return CXL_MBOX_INVALID_LOG; + } + + if (!(cap->param_flags & CXL_LOG_CAP_POPULATE_SUPPORTED)) { + return CXL_MBOX_UNSUPPORTED; + } + return CXL_MBOX_UNSUPPORTED; +} + /* CXL r3.1 section 8.2.9.6: Features */ /* * Get Supported Features output payload @@ -2907,6 +2932,9 @@ 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",