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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?OiS9+RDs+fTlydp7+xh1wG9K0vDIiGrVilDvHpATZNZbr2gfcMT6Qcolp915?= =?us-ascii?Q?HtJVwmBwJ2ZzCejesp3wC8P/oVXZwtqeYObw0XOZdCNDv6fBJl6WenDZ0Lhx?= =?us-ascii?Q?Es5kKumGHBw0mq68FTYqRaCYUrv8pUisx/Kx22i83HbNeZtZdPzizaIVo5eM?= =?us-ascii?Q?IQ5Lp2em9rEfqfFoXlOWOUZKIH2dTJ0moExVAnrcZ1GT6QEmoExh2G56Kb8y?= =?us-ascii?Q?GhfUZpjsGOXKmVM++xJACVIzbB+75wW4n0OAzht2Wqbuukr+GcwX9srnelZn?= =?us-ascii?Q?5xXoDh9/vdGaCcpVjIVYYMmKUy4wGKE4gjQ6kcS0YsujRuY+wmvKGG3/rHM3?= =?us-ascii?Q?q1a90ofi2TViFU0DGcB5hKqcRj3LIFG3lFrWuIE212BMFQJ2ZLV6c531zBsf?= =?us-ascii?Q?TxMVZE6MyDCUOla+CZ6ZmXKoRp9+OfFQpfNLpPGC5x4T0OwlSVIPcWs+TdBO?= =?us-ascii?Q?a02oOdc15/Z4fXIyNAowkuoKhNbdBTPkQFKPpHxsRNYX1bMng2TEiMmTzW5o?= =?us-ascii?Q?ly0PGO9QjF6T3yEj1kfRNUlu5+yx//hnGmUEkcevgftRBuczInwYOVIPTQHW?= =?us-ascii?Q?IqLF224+ezTZGMBQksEkYPagd/PpEcUuN+lh52BzmR7d3gxM04s/isDiRQyi?= =?us-ascii?Q?cgdr+9Fsu5LAr6sRc8884MBvhY1FdZE24RIZpu+HDl/EC2tq09W344S5FdVF?= =?us-ascii?Q?Au4w8SW2ek5rDuwEWvjS7PFQptHR2Ael0YZSBxUxsvete/kidFwdlZjs7M12?= =?us-ascii?Q?r1hpKdVT8sJoU+HGU8BFNkgxLM2AD7S8obZxgFfkCLWhjjGF7/yIoN846vZc?= =?us-ascii?Q?XZI/mnQ+e20ZymDBE103sIWy0eQIGBorWpGnUyDEGjJHqujitSXygWbWILvW?= =?us-ascii?Q?/0wuPLcWWJDaopSzfdVHmGFMAx9uN+vs1/7Jshg9tcl3KJsn4pCF2o/zzmYy?= =?us-ascii?Q?euwrwqvXe5jFofxeotn/QwfkhmDJVYRT67g+JbVQxPoVaWkDhZGeqp383Ts5?= =?us-ascii?Q?XJnq+RcPinqCkNM2PhXj+7CQ0KFJ4nAfa29YteixxLyoH2k31XroPyNwcEwU?= =?us-ascii?Q?Ivu67qyBw91ZweCQpQovp2pA8HXU4aJt2GUmYexms2lHTnoJRsvVsZC9UyVf?= =?us-ascii?Q?4eHFZ0PbQeH8JaVf81s0vYumaLYkG1B8nhWFR3NilTL1pkghVwwrAgGedude?= =?us-ascii?Q?eulj8q0nIoE6LNTMrCDvfjSQx94qP0qpENer4UHqiP5/Nlzc+TrcikgdEJ9L?= =?us-ascii?Q?avzaWpNuAukpO7CaoLpwzRlk60c568DI7piWxfkvP+fVAKc7mi6EGxO0WuWU?= =?us-ascii?Q?2odMonEu2u3TreU3KPBB7IS17crqNAc+htk13/3qo9zFwI09tmTcLtqrk66v?= =?us-ascii?Q?B2c6SIc/ESHUMULTZTZb9yg5C80tVTPXGYVI9kGKh557vgp0lHjTiPt+6wT4?= =?us-ascii?Q?vl7pbYyUHyQs067X3m+anG6QouFsnX+j8P/VeBApenVyHwJZzrcIT1S6WKmM?= =?us-ascii?Q?xcGbHgkiascA3r+YXWpjC0/WSeGOKD9bgZNEL2ch8jE8g21BhUkgbaif7z4Q?= =?us-ascii?Q?QcKv2DHnb5gLihmjOwxZmoxra/7mG9pkAbzUHZk0e51oWOOwqv0I0DXMD1Lp?= =?us-ascii?Q?Yw=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 7215597d-7d19-4559-5c7c-08dad42e061f X-MS-Exchange-CrossTenant-AuthSource: MWHPR1101MB2126.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Dec 2022 06:25:36.4211 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: H01+QfhK5f/Cal384jbhOg5M8OWI9I+rWqfh0UGuvoNFD/xrnfqllr0M1RExT0gEbpW32xi1ErfRIhscIEs8L7aVhSCVLz4CrH3ZJB8rrwY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR11MB7540 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ira.weiny@ wrote: > From: Ira Weiny > > CXL rev 3.0 section 8.2.9.2.1.3 defines the Memory Module Event Record. > > Determine if the event read is memory module record and if so trace the > record. > > Reviewed-by: Steven Rostedt (Google) > Signed-off-by: Ira Weiny > > --- > Changes from V1: > Use all caps for flag fields > > Changes from RFC v2: > Ensure field names match TP_print output > Steven > prefix TRACE_EVENT with 'cxl_' > Jonathan > Remove reserved field > Define a 1bit and 2 bit status decoder > Fix paren alignment > > Changes from RFC: > Clean up spec reference > Add reserved data > Use new CXL header macros > Jonathan > Use else if > Use get_unaligned_le*() for unaligned fields > Dave Jiang > s/cxl_mem_mod_event/memory_module > s/cxl_evt_mem_mod_rec/cxl_event_mem_module > --- > drivers/cxl/core/mbox.c | 17 ++++- > drivers/cxl/cxlmem.h | 26 +++++++ > include/trace/events/cxl.h | 144 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 186 insertions(+), 1 deletion(-) > > diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c > index 66fc50d89bf4..30840b711381 100644 > --- a/drivers/cxl/core/mbox.c > +++ b/drivers/cxl/core/mbox.c > @@ -725,11 +725,20 @@ static const uuid_t dram_event_uuid = > UUID_INIT(0x601dcbb3, 0x9c06, 0x4eab, > 0xb8, 0xaf, 0x4e, 0x9b, 0xfb, 0x5c, 0x96, 0x24); > > +/* > + * Memory Module Event Record > + * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45 > + */ > +static const uuid_t mem_mod_event_uuid = > + UUID_INIT(0xfe927475, 0xdd59, 0x4339, > + 0xa5, 0x86, 0x79, 0xba, 0xb1, 0x13, 0xb7, 0x74); > + > static bool cxl_event_tracing_enabled(void) > { > return trace_cxl_generic_event_enabled() || > trace_cxl_general_media_enabled() || > - trace_cxl_dram_enabled(); > + trace_cxl_dram_enabled() || > + trace_cxl_memory_module_enabled(); > } > > static void cxl_trace_event_record(const char *dev_name, > @@ -749,6 +758,12 @@ static void cxl_trace_event_record(const char *dev_name, > > trace_cxl_dram(dev_name, type, rec); > return; > + } else if (uuid_equal(id, &mem_mod_event_uuid)) { > + struct cxl_event_mem_module *rec = > + (struct cxl_event_mem_module *)record; > + > + trace_cxl_memory_module(dev_name, type, rec); > + return; Replace these early returns with a final else that calls trace_cxl_generic_event() > } > > /* For unknown record types print just the header */ > diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h > index f5f63a475478..450b410f29f6 100644 > --- a/drivers/cxl/cxlmem.h > +++ b/drivers/cxl/cxlmem.h > @@ -452,6 +452,32 @@ struct cxl_event_dram { > u8 reserved[0x17]; > } __packed; > > +/* > + * Get Health Info Record > + * CXL rev 3.0 section 8.2.9.8.3.1; Table 8-100 > + */ > +struct cxl_get_health_info { > + u8 health_status; > + u8 media_status; > + u8 add_status; > + u8 life_used; > + u8 device_temp[2]; > + u8 dirty_shutdown_cnt[4]; > + u8 cor_vol_err_cnt[4]; > + u8 cor_per_err_cnt[4]; > +} __packed; > + > +/* > + * Memory Module Event Record > + * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45 > + */ > +struct cxl_event_mem_module { > + struct cxl_event_record_hdr hdr; > + u8 event_type; > + struct cxl_get_health_info info; > + u8 reserved[0x3d]; Decimal size please, otherwise the rest looks good to me. > +} __packed; > + > struct cxl_mbox_get_partition_info { > __le64 active_volatile_cap; > __le64 active_persistent_cap; > diff --git a/include/trace/events/cxl.h b/include/trace/events/cxl.h > index 474390f895d9..48786d6c9615 100644 > --- a/include/trace/events/cxl.h > +++ b/include/trace/events/cxl.h > @@ -334,6 +334,150 @@ TRACE_EVENT(cxl_dram, > ) > ); > > +/* > + * Memory Module Event Record - MMER > + * > + * CXL res 3.0 section 8.2.9.2.1.3; Table 8-45 > + */ > +#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 show_dev_evt_type(type) __print_symbolic(type, \ > + { CXL_MMER_HEALTH_STATUS_CHANGE, "Health Status Change" }, \ > + { CXL_MMER_MEDIA_STATUS_CHANGE, "Media Status Change" }, \ > + { CXL_MMER_LIFE_USED_CHANGE, "Life Used Change" }, \ > + { CXL_MMER_TEMP_CHANGE, "Temperature Change" }, \ > + { CXL_MMER_DATA_PATH_ERROR, "Data Path Error" }, \ > + { CXL_MMER_LAS_ERROR, "LSA Error" } \ > +) > + > +/* > + * Device Health Information - DHI > + * > + * CXL res 3.0 section 8.2.9.8.3.1; Table 8-100 > + */ > +#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 show_health_status_flags(flags) __print_flags(flags, "|", \ > + { CXL_DHI_HS_MAINTENANCE_NEEDED, "MAINTENANCE_NEEDED" }, \ > + { CXL_DHI_HS_PERFORMANCE_DEGRADED, "PERFORMANCE_DEGRADED" }, \ > + { CXL_DHI_HS_HW_REPLACEMENT_NEEDED, "REPLACEMENT_NEEDED" } \ > +) > + > +#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 show_media_status(ms) __print_symbolic(ms, \ > + { CXL_DHI_MS_NORMAL, \ > + "Normal" }, \ > + { CXL_DHI_MS_NOT_READY, \ > + "Not Ready" }, \ > + { CXL_DHI_MS_WRITE_PERSISTENCY_LOST, \ > + "Write Persistency Lost" }, \ > + { CXL_DHI_MS_ALL_DATA_LOST, \ > + "All Data Lost" }, \ > + { CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_POWER_LOSS, \ > + "Write Persistency Loss in the Event of Power Loss" }, \ > + { CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_SHUTDOWN, \ > + "Write Persistency Loss in Event of Shutdown" }, \ > + { CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_IMMINENT, \ > + "Write Persistency Loss Imminent" }, \ > + { CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_POWER_LOSS, \ > + "All Data Loss in Event of Power Loss" }, \ > + { CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_SHUTDOWN, \ > + "All Data loss in the Event of Shutdown" }, \ > + { CXL_DHI_MS_WRITE_ALL_DATA_LOSS_IMMINENT, \ > + "All Data Loss Imminent" } \ > +) > + > +#define CXL_DHI_AS_NORMAL 0x0 > +#define CXL_DHI_AS_WARNING 0x1 > +#define CXL_DHI_AS_CRITICAL 0x2 > +#define show_two_bit_status(as) __print_symbolic(as, \ > + { CXL_DHI_AS_NORMAL, "Normal" }, \ > + { CXL_DHI_AS_WARNING, "Warning" }, \ > + { CXL_DHI_AS_CRITICAL, "Critical" } \ > +) > +#define show_one_bit_status(as) __print_symbolic(as, \ > + { CXL_DHI_AS_NORMAL, "Normal" }, \ > + { CXL_DHI_AS_WARNING, "Warning" } \ > +) > + > +#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) > + > +TRACE_EVENT(cxl_memory_module, > + > + TP_PROTO(const char *dev_name, enum cxl_event_log_type log, > + struct cxl_event_mem_module *rec), > + > + TP_ARGS(dev_name, log, rec), > + > + TP_STRUCT__entry( > + CXL_EVT_TP_entry > + > + /* Memory Module Event */ > + __field(u8, event_type) > + > + /* Device Health Info */ > + __field(u8, health_status) > + __field(u8, media_status) > + __field(u8, life_used) > + __field(u32, dirty_shutdown_cnt) > + __field(u32, cor_vol_err_cnt) > + __field(u32, cor_per_err_cnt) > + __field(s16, device_temp) > + __field(u8, add_status) > + ), > + > + TP_fast_assign( > + CXL_EVT_TP_fast_assign(dev_name, log, rec->hdr); > + > + /* Memory Module Event */ > + __entry->event_type = rec->event_type; > + > + /* Device Health Info */ > + __entry->health_status = rec->info.health_status; > + __entry->media_status = rec->info.media_status; > + __entry->life_used = rec->info.life_used; > + __entry->dirty_shutdown_cnt = get_unaligned_le32(rec->info.dirty_shutdown_cnt); > + __entry->cor_vol_err_cnt = get_unaligned_le32(rec->info.cor_vol_err_cnt); > + __entry->cor_per_err_cnt = get_unaligned_le32(rec->info.cor_per_err_cnt); > + __entry->device_temp = get_unaligned_le16(rec->info.device_temp); > + __entry->add_status = rec->info.add_status; > + ), > + > + CXL_EVT_TP_printk("event_type='%s' health_status='%s' media_status='%s' " \ > + "as_life_used=%s as_dev_temp=%s as_cor_vol_err_cnt=%s " \ > + "as_cor_per_err_cnt=%s life_used=%u device_temp=%d " \ > + "dirty_shutdown_cnt=%u cor_vol_err_cnt=%u cor_per_err_cnt=%u", > + show_dev_evt_type(__entry->event_type), > + show_health_status_flags(__entry->health_status), > + show_media_status(__entry->media_status), > + show_two_bit_status(CXL_DHI_AS_LIFE_USED(__entry->add_status)), > + show_two_bit_status(CXL_DHI_AS_DEV_TEMP(__entry->add_status)), > + show_one_bit_status(CXL_DHI_AS_COR_VOL_ERR_CNT(__entry->add_status)), > + show_one_bit_status(CXL_DHI_AS_COR_PER_ERR_CNT(__entry->add_status)), > + __entry->life_used, __entry->device_temp, > + __entry->dirty_shutdown_cnt, __entry->cor_vol_err_cnt, > + __entry->cor_per_err_cnt > + ) > +); > + > + > #endif /* _CXL_TRACE_EVENTS_H */ > > /* This part must be outside protection */ > -- > 2.37.2 >