From patchwork Mon Oct 10 22:29:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 1688356 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=ZJ11kJzI; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4MmYyL5Pxdz23jS for ; Tue, 11 Oct 2022 09:49:46 +1100 (AEDT) Received: from localhost ([::1]:52098 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oi1ai-0004nk-Dn for incoming@patchwork.ozlabs.org; Mon, 10 Oct 2022 18:49:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49330) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oi1I9-0005wq-82 for qemu-devel@nongnu.org; Mon, 10 Oct 2022 18:30:34 -0400 Received: from mga02.intel.com ([134.134.136.20]:24685) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oi1I6-0005GG-J1 for qemu-devel@nongnu.org; Mon, 10 Oct 2022 18:30:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1665441030; x=1696977030; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WINfsvFZv1InPNmycrqd9oyzCqeJWXmlB+gr9uGiA0k=; b=ZJ11kJzIYDDg1OFH7aw16lBLJFultFbVh/ZhNuNsWQ+7eMzxcS3KXVcb Zsp4VEzWUNxtYaezne0kzlUi7d4rb2eCcevB0TR4aRoDRqTV4HlGA5C2H Mwx7CY373z/o1N5VKHDu/Lv+JXwLKcF02y0sgc38bne8g2uPvQqb2f4q/ eHhGLdDI692w4fX+sTOzDuS8gxih6mmvXYvPCiCGx8VLs/a8+dnP777sb PCwEim/u/QQajTZzW58g3F8myuV/XSu7jqYK3gjkfcU7o8cUj4jzODbOG rSKrebZzZe4diLt9nDTdzkATcHi4PuZ18txhUZIaLRngM8zy+N3xMX8Vb w==; X-IronPort-AV: E=McAfee;i="6500,9779,10496"; a="291661244" X-IronPort-AV: E=Sophos;i="5.95,173,1661842800"; d="scan'208";a="291661244" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2022 15:30:20 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10496"; a="628456989" X-IronPort-AV: E=Sophos;i="5.95,173,1661842800"; d="scan'208";a="628456989" Received: from iweiny-mobl.amr.corp.intel.com (HELO localhost) ([10.212.104.4]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2022 15:30:20 -0700 From: ira.weiny@intel.com To: Michael Tsirkin , Ben Widawsky , Jonathan Cameron Cc: Ira Weiny , qemu-devel@nongnu.org, linux-cxl@vger.kernel.org Subject: [RFC PATCH 3/6] hw/cxl/cxl-events: Add CXL mock events Date: Mon, 10 Oct 2022 15:29:41 -0700 Message-Id: <20221010222944.3923556-4-ira.weiny@intel.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221010222944.3923556-1-ira.weiny@intel.com> References: <20221010222944.3923556-1-ira.weiny@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=134.134.136.20; envelope-from=ira.weiny@intel.com; helo=mga02.intel.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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 10 Oct 2022 18:44:32 -0400 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" From: Ira Weiny To facilitate testing of guest software add mock events and code to support iterating through the event logs. Signed-off-by: Ira Weiny --- hw/cxl/cxl-events.c | 248 ++++++++++++++++++++++++++++++++++++ hw/cxl/meson.build | 1 + include/hw/cxl/cxl_device.h | 19 +++ include/hw/cxl/cxl_events.h | 173 +++++++++++++++++++++++++ 4 files changed, 441 insertions(+) create mode 100644 hw/cxl/cxl-events.c create mode 100644 include/hw/cxl/cxl_events.h diff --git a/hw/cxl/cxl-events.c b/hw/cxl/cxl-events.c new file mode 100644 index 000000000000..c275280bcb64 --- /dev/null +++ b/hw/cxl/cxl-events.c @@ -0,0 +1,248 @@ +/* + * CXL Event processing + * + * Copyright(C) 2022 Intel Corporation. + * + * This work is licensed under the terms of the GNU GPL, version 2. See the + * COPYING file in the top-level directory. + */ + +#include + +#include "qemu/osdep.h" +#include "qemu/bswap.h" +#include "qemu/typedefs.h" +#include "hw/cxl/cxl.h" +#include "hw/cxl/cxl_events.h" + +struct cxl_event_log *find_event_log(CXLDeviceState *cxlds, int log_type) +{ + if (log_type >= CXL_EVENT_TYPE_MAX) { + return NULL; + } + return &cxlds->event_logs[log_type]; +} + +struct cxl_event_record_raw *get_cur_event(struct cxl_event_log *log) +{ + return log->events[log->cur_event]; +} + +uint16_t get_cur_event_handle(struct cxl_event_log *log) +{ + return cpu_to_le16(log->cur_event); +} + +bool log_empty(struct cxl_event_log *log) +{ + return log->cur_event == log->nr_events; +} + +int log_rec_left(struct cxl_event_log *log) +{ + return log->nr_events - log->cur_event; +} + +static void event_store_add_event(CXLDeviceState *cxlds, + enum cxl_event_log_type log_type, + struct cxl_event_record_raw *event) +{ + struct cxl_event_log *log; + + assert(log_type < CXL_EVENT_TYPE_MAX); + + log = &cxlds->event_logs[log_type]; + assert(log->nr_events < CXL_TEST_EVENT_CNT_MAX); + + log->events[log->nr_events] = event; + log->nr_events++; +} + +uint16_t log_overflow(struct cxl_event_log *log) +{ + int cnt = log_rec_left(log) - 5; + + if (cnt < 0) { + return 0; + } + return cnt; +} + +#define CXL_EVENT_RECORD_FLAG_PERMANENT BIT(2) +#define CXL_EVENT_RECORD_FLAG_MAINT_NEEDED BIT(3) +#define CXL_EVENT_RECORD_FLAG_PERF_DEGRADED BIT(4) +#define CXL_EVENT_RECORD_FLAG_HW_REPLACE BIT(5) + +struct cxl_event_record_raw maint_needed = { + .hdr = { + .id.data = UUID(0xDEADBEEF, 0xCAFE, 0xBABE, + 0xa5, 0x5a, 0xa5, 0x5a, 0xa5, 0xa5, 0x5a, 0xa5), + .length = sizeof(struct cxl_event_record_raw), + .flags[0] = CXL_EVENT_RECORD_FLAG_MAINT_NEEDED, + /* .handle = Set dynamically */ + .related_handle = const_le16(0xa5b6), + }, + .data = { 0xDE, 0xAD, 0xBE, 0xEF }, +}; + +struct cxl_event_record_raw hardware_replace = { + .hdr = { + .id.data = UUID(0xBABECAFE, 0xBEEF, 0xDEAD, + 0xa5, 0x5a, 0xa5, 0x5a, 0xa5, 0xa5, 0x5a, 0xa5), + .length = sizeof(struct cxl_event_record_raw), + .flags[0] = CXL_EVENT_RECORD_FLAG_HW_REPLACE, + /* .handle = Set dynamically */ + .related_handle = const_le16(0xb6a5), + }, + .data = { 0xDE, 0xAD, 0xBE, 0xEF }, +}; + +#define CXL_GMER_EVT_DESC_UNCORECTABLE_EVENT BIT(0) +#define CXL_GMER_EVT_DESC_THRESHOLD_EVENT BIT(1) +#define CXL_GMER_EVT_DESC_POISON_LIST_OVERFLOW BIT(2) + +#define CXL_GMER_MEM_EVT_TYPE_ECC_ERROR 0x00 +#define CXL_GMER_MEM_EVT_TYPE_INV_ADDR 0x01 +#define CXL_GMER_MEM_EVT_TYPE_DATA_PATH_ERROR 0x02 + +#define CXL_GMER_TRANS_UNKNOWN 0x00 +#define CXL_GMER_TRANS_HOST_READ 0x01 +#define CXL_GMER_TRANS_HOST_WRITE 0x02 +#define CXL_GMER_TRANS_HOST_SCAN_MEDIA 0x03 +#define CXL_GMER_TRANS_HOST_INJECT_POISON 0x04 +#define CXL_GMER_TRANS_INTERNAL_MEDIA_SCRUB 0x05 +#define CXL_GMER_TRANS_INTERNAL_MEDIA_MANAGEMENT 0x06 + +#define CXL_GMER_VALID_CHANNEL BIT(0) +#define CXL_GMER_VALID_RANK BIT(1) +#define CXL_GMER_VALID_DEVICE BIT(2) +#define CXL_GMER_VALID_COMPONENT BIT(3) + +struct cxl_event_gen_media gen_media = { + .hdr = { + .id.data = UUID(0xfbcd0a77, 0xc260, 0x417f, + 0x85, 0xa9, 0x08, 0x8b, 0x16, 0x21, 0xeb, 0xa6), + .length = sizeof(struct cxl_event_gen_media), + .flags[0] = CXL_EVENT_RECORD_FLAG_PERMANENT, + /* .handle = Set dynamically */ + .related_handle = const_le16(0), + }, + .phys_addr = const_le64(0x2000), + .descriptor = CXL_GMER_EVT_DESC_UNCORECTABLE_EVENT, + .type = CXL_GMER_MEM_EVT_TYPE_DATA_PATH_ERROR, + .transaction_type = CXL_GMER_TRANS_HOST_WRITE, + .validity_flags = { CXL_GMER_VALID_CHANNEL | + CXL_GMER_VALID_RANK, 0 }, + .channel = 1, + .rank = 30 +}; + +#define CXL_DER_VALID_CHANNEL BIT(0) +#define CXL_DER_VALID_RANK BIT(1) +#define CXL_DER_VALID_NIBBLE BIT(2) +#define CXL_DER_VALID_BANK_GROUP BIT(3) +#define CXL_DER_VALID_BANK BIT(4) +#define CXL_DER_VALID_ROW BIT(5) +#define CXL_DER_VALID_COLUMN BIT(6) +#define CXL_DER_VALID_CORRECTION_MASK BIT(7) + +struct cxl_event_dram dram = { + .hdr = { + .id.data = UUID(0x601dcbb3, 0x9c06, 0x4eab, + 0xb8, 0xaf, 0x4e, 0x9b, 0xfb, 0x5c, 0x96, 0x24), + .length = sizeof(struct cxl_event_dram), + .flags[0] = CXL_EVENT_RECORD_FLAG_PERF_DEGRADED, + /* .handle = Set dynamically */ + .related_handle = const_le16(0), + }, + .phys_addr = const_le64(0x8000), + .descriptor = CXL_GMER_EVT_DESC_THRESHOLD_EVENT, + .type = CXL_GMER_MEM_EVT_TYPE_INV_ADDR, + .transaction_type = CXL_GMER_TRANS_INTERNAL_MEDIA_SCRUB, + .validity_flags = { CXL_DER_VALID_CHANNEL | + CXL_DER_VALID_BANK_GROUP | + CXL_DER_VALID_BANK | + CXL_DER_VALID_COLUMN, 0 }, + .channel = 1, + .bank_group = 5, + .bank = 2, + .column = { 0xDE, 0xAD}, +}; + +#define CXL_MMER_HEALTH_STATUS_CHANGE 0x00 +#define CXL_MMER_MEDIA_STATUS_CHANGE 0x01 +#define CXL_MMER_LIFE_USED_CHANGE 0x02 +#define CXL_MMER_TEMP_CHANGE 0x03 +#define CXL_MMER_DATA_PATH_ERROR 0x04 +#define CXL_MMER_LAS_ERROR 0x05 + +#define CXL_DHI_HS_MAINTENANCE_NEEDED BIT(0) +#define CXL_DHI_HS_PERFORMANCE_DEGRADED BIT(1) +#define CXL_DHI_HS_HW_REPLACEMENT_NEEDED BIT(2) + +#define CXL_DHI_MS_NORMAL 0x00 +#define CXL_DHI_MS_NOT_READY 0x01 +#define CXL_DHI_MS_WRITE_PERSISTENCY_LOST 0x02 +#define CXL_DHI_MS_ALL_DATA_LOST 0x03 +#define CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_POWER_LOSS 0x04 +#define CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_SHUTDOWN 0x05 +#define CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_IMMINENT 0x06 +#define CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_POWER_LOSS 0x07 +#define CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_SHUTDOWN 0x08 +#define CXL_DHI_MS_WRITE_ALL_DATA_LOSS_IMMINENT 0x09 + +#define CXL_DHI_AS_NORMAL 0x0 +#define CXL_DHI_AS_WARNING 0x1 +#define CXL_DHI_AS_CRITICAL 0x2 + +#define CXL_DHI_AS_LIFE_USED(as) (as & 0x3) +#define CXL_DHI_AS_DEV_TEMP(as) ((as & 0xC) >> 2) +#define CXL_DHI_AS_COR_VOL_ERR_CNT(as) ((as & 0x10) >> 4) +#define CXL_DHI_AS_COR_PER_ERR_CNT(as) ((as & 0x20) >> 5) + +struct cxl_event_mem_module mem_module = { + .hdr = { + .id.data = UUID(0xfe927475, 0xdd59, 0x4339, + 0xa5, 0x86, 0x79, 0xba, 0xb1, 0x13, 0xb7, 0x74), + .length = sizeof(struct cxl_event_mem_module), + /* .handle = Set dynamically */ + .related_handle = const_le16(0), + }, + .event_type = CXL_MMER_TEMP_CHANGE, + .info = { + .health_status = CXL_DHI_HS_PERFORMANCE_DEGRADED, + .media_status = CXL_DHI_MS_ALL_DATA_LOST, + .add_status = (CXL_DHI_AS_CRITICAL << 2) | + (CXL_DHI_AS_WARNING << 4) | + (CXL_DHI_AS_WARNING << 5), + .device_temp = { 0xDE, 0xAD}, + .dirty_shutdown_cnt = { 0xde, 0xad, 0xbe, 0xef }, + .cor_vol_err_cnt = { 0xde, 0xad, 0xbe, 0xef }, + .cor_per_err_cnt = { 0xde, 0xad, 0xbe, 0xef }, + } +}; + +void cxl_mock_add_event_logs(CXLDeviceState *cxlds) +{ + event_store_add_event(cxlds, CXL_EVENT_TYPE_INFO, &maint_needed); + event_store_add_event(cxlds, CXL_EVENT_TYPE_INFO, + (struct cxl_event_record_raw *)&gen_media); + event_store_add_event(cxlds, CXL_EVENT_TYPE_INFO, + (struct cxl_event_record_raw *)&mem_module); + + event_store_add_event(cxlds, CXL_EVENT_TYPE_FAIL, &maint_needed); + event_store_add_event(cxlds, CXL_EVENT_TYPE_FAIL, &hardware_replace); + event_store_add_event(cxlds, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&dram); + event_store_add_event(cxlds, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&gen_media); + event_store_add_event(cxlds, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&mem_module); + event_store_add_event(cxlds, CXL_EVENT_TYPE_FAIL, &hardware_replace); + event_store_add_event(cxlds, CXL_EVENT_TYPE_FAIL, + (struct cxl_event_record_raw *)&dram); + + event_store_add_event(cxlds, CXL_EVENT_TYPE_FATAL, &hardware_replace); + event_store_add_event(cxlds, CXL_EVENT_TYPE_FATAL, + (struct cxl_event_record_raw *)&dram); +} diff --git a/hw/cxl/meson.build b/hw/cxl/meson.build index cfa95ffd40b7..71059972d435 100644 --- a/hw/cxl/meson.build +++ b/hw/cxl/meson.build @@ -5,6 +5,7 @@ softmmu_ss.add(when: 'CONFIG_CXL', 'cxl-mailbox-utils.c', 'cxl-host.c', 'cxl-cdat.c', + 'cxl-events.c', ), if_false: files( 'cxl-host-stubs.c', diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index 7b4cff569347..46c50c1c13a6 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -11,6 +11,7 @@ #define CXL_DEVICE_H #include "hw/register.h" +#include "hw/cxl/cxl_events.h" /* * The following is how a CXL device's Memory Device registers are laid out. @@ -80,6 +81,14 @@ (CXL_DEVICE_CAP_REG_SIZE + CXL_DEVICE_STATUS_REGISTERS_LENGTH + \ CXL_MAILBOX_REGISTERS_LENGTH + CXL_MEMORY_DEVICE_REGISTERS_LENGTH) +#define CXL_TEST_EVENT_CNT_MAX 15 + +struct cxl_event_log { + int cur_event; + int nr_events; + struct cxl_event_record_raw *events[CXL_TEST_EVENT_CNT_MAX]; +}; + typedef struct cxl_device_state { MemoryRegion device_registers; @@ -119,6 +128,8 @@ typedef struct cxl_device_state { /* memory region for persistent memory, HDM */ uint64_t pmem_size; + + struct cxl_event_log event_logs[CXL_EVENT_TYPE_MAX]; } CXLDeviceState; /* Initialize the register block for a device */ @@ -272,4 +283,12 @@ MemTxResult cxl_type3_read(PCIDevice *d, hwaddr host_addr, uint64_t *data, MemTxResult cxl_type3_write(PCIDevice *d, hwaddr host_addr, uint64_t data, unsigned size, MemTxAttrs attrs); +void cxl_mock_add_event_logs(CXLDeviceState *cxlds); +struct cxl_event_log *find_event_log(CXLDeviceState *cxlds, int log_type); +struct cxl_event_record_raw *get_cur_event(struct cxl_event_log *log); +uint16_t get_cur_event_handle(struct cxl_event_log *log); +bool log_empty(struct cxl_event_log *log); +int log_rec_left(struct cxl_event_log *log); +uint16_t log_overflow(struct cxl_event_log *log); + #endif diff --git a/include/hw/cxl/cxl_events.h b/include/hw/cxl/cxl_events.h new file mode 100644 index 000000000000..255111f3dcfb --- /dev/null +++ b/include/hw/cxl/cxl_events.h @@ -0,0 +1,173 @@ +/* + * QEMU CXL Events + * + * Copyright (c) 2022 Intel + * + * This work is licensed under the terms of the GNU GPL, version 2. See the + * COPYING file in the top-level directory. + */ + +#ifndef CXL_EVENTS_H +#define CXL_EVENTS_H + +#include "qemu/uuid.h" +#include "hw/cxl/cxl.h" + +/* + * Common Event Record Format + * CXL rev 3.0 section 8.2.9.2.1; Table 8-42 + */ +#define CXL_EVENT_REC_HDR_RES_LEN 0xf +struct cxl_event_record_hdr { + QemuUUID id; + uint8_t length; + uint8_t flags[3]; + uint16_t handle; + uint16_t related_handle; + uint64_t timestamp; + uint8_t maint_op_class; + uint8_t reserved[CXL_EVENT_REC_HDR_RES_LEN]; +} QEMU_PACKED; + +#define CXL_EVENT_RECORD_DATA_LENGTH 0x50 +struct cxl_event_record_raw { + struct cxl_event_record_hdr hdr; + uint8_t data[CXL_EVENT_RECORD_DATA_LENGTH]; +} QEMU_PACKED; + +/* + * Get Event Records output payload + * CXL rev 3.0 section 8.2.9.2.2; Table 8-50 + * + * Space given for 1 record + */ +#define CXL_GET_EVENT_FLAG_OVERFLOW BIT(0) +#define CXL_GET_EVENT_FLAG_MORE_RECORDS BIT(1) +struct cxl_get_event_payload { + uint8_t flags; + uint8_t reserved1; + uint16_t overflow_err_count; + uint64_t first_overflow_timestamp; + uint64_t last_overflow_timestamp; + uint16_t record_count; + uint8_t reserved2[0xa]; + struct cxl_event_record_raw record; +} QEMU_PACKED; + +/* + * CXL rev 3.0 section 8.2.9.2.2; Table 8-49 + */ +enum cxl_event_log_type { + CXL_EVENT_TYPE_INFO = 0x00, + CXL_EVENT_TYPE_WARN, + CXL_EVENT_TYPE_FAIL, + CXL_EVENT_TYPE_FATAL, + CXL_EVENT_TYPE_DYNAMIC_CAP, + CXL_EVENT_TYPE_MAX +}; + +static inline const char *cxl_event_log_type_str(enum cxl_event_log_type type) +{ + switch (type) { + case CXL_EVENT_TYPE_INFO: + return "Informational"; + case CXL_EVENT_TYPE_WARN: + return "Warning"; + case CXL_EVENT_TYPE_FAIL: + return "Failure"; + case CXL_EVENT_TYPE_FATAL: + return "Fatal"; + case CXL_EVENT_TYPE_DYNAMIC_CAP: + return "Dynamic Capacity"; + default: + break; + } + return ""; +} + +/* + * Clear Event Records input payload + * CXL rev 3.0 section 8.2.9.2.3; Table 8-51 + * + * Space given for 1 record + */ +struct cxl_mbox_clear_event_payload { + uint8_t event_log; /* enum cxl_event_log_type */ + uint8_t clear_flags; + uint8_t nr_recs; /* 1 for this struct */ + uint8_t reserved[3]; + uint16_t handle; +}; + +/* + * General Media Event Record + * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43 + */ +#define CXL_EVENT_GEN_MED_COMP_ID_SIZE 0x10 +#define CXL_EVENT_GEN_MED_RES_SIZE 0x2e +struct cxl_event_gen_media { + struct cxl_event_record_hdr hdr; + uint64_t phys_addr; + uint8_t descriptor; + uint8_t type; + uint8_t transaction_type; + uint8_t validity_flags[2]; + uint8_t channel; + uint8_t rank; + uint8_t device[3]; + uint8_t component_id[CXL_EVENT_GEN_MED_COMP_ID_SIZE]; + uint8_t reserved[CXL_EVENT_GEN_MED_RES_SIZE]; +} QEMU_PACKED; + +/* + * DRAM Event Record - DER + * CXL rev 3.0 section 8.2.9.2.1.2; Table 3-44 + */ +#define CXL_EVENT_DER_CORRECTION_MASK_SIZE 0x20 +#define CXL_EVENT_DER_RES_SIZE 0x17 +struct cxl_event_dram { + struct cxl_event_record_hdr hdr; + uint64_t phys_addr; + uint8_t descriptor; + uint8_t type; + uint8_t transaction_type; + uint8_t validity_flags[2]; + uint8_t channel; + uint8_t rank; + uint8_t nibble_mask[3]; + uint8_t bank_group; + uint8_t bank; + uint8_t row[3]; + uint8_t column[2]; + uint8_t correction_mask[CXL_EVENT_DER_CORRECTION_MASK_SIZE]; + uint8_t reserved[CXL_EVENT_DER_RES_SIZE]; +} QEMU_PACKED; + +/* + * Get Health Info Record + * CXL rev 3.0 section 8.2.9.8.3.1; Table 8-100 + */ +struct cxl_get_health_info { + uint8_t health_status; + uint8_t media_status; + uint8_t add_status; + uint8_t life_used; + uint8_t device_temp[2]; + uint8_t dirty_shutdown_cnt[4]; + uint8_t cor_vol_err_cnt[4]; + uint8_t cor_per_err_cnt[4]; +} QEMU_PACKED; + +/* + * Memory Module Event Record + * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45 + */ +#define CXL_EVENT_MEM_MOD_RES_SIZE 0x3d +struct cxl_event_mem_module { + struct cxl_event_record_hdr hdr; + uint8_t event_type; + struct cxl_get_health_info info; + uint8_t reserved[CXL_EVENT_MEM_MOD_RES_SIZE]; +} QEMU_PACKED; + +#endif /* CXL_EVENTS_H */