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Mon, 3 Feb 2025 06:00:55 +0000 (GMT) Received: from epsmgmcp1.samsung.com (unknown [182.195.42.82]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20250203060055epsmtrp1bcd9a875fd7960ea1d529226fac9e18f~gnVdxB1YC2494724947epsmtrp1-; Mon, 3 Feb 2025 06:00:55 +0000 (GMT) X-AuditID: b6c32a4b-fe9f470000004df4-74-67a1afefec64 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id 28.75.33707.69B50A76; Mon, 3 Feb 2025 15:00:54 +0900 (KST) Received: from test-PowerEdge-R740xd.samsungds.net (unknown [107.99.41.79]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250203060053epsmtip22753a1051d82e7e51a79bf7bd47a3110~gnVcTXow62964429644epsmtip2V; 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> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> 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];