From: Jonathan Cameron <Jonathan.Cameron@huawei.com> To: <qemu-devel@nongnu.org>, Michael Tsirkin <mst@redhat.com>, Fan Ni <fan.ni@samsung.com> Cc: linux-cxl@vger.kernel.org, linuxarm@huawei.com, "Ira Weiny" <ira.weiny@intel.com>, "Michael Roth" <michael.roth@amd.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, "Dave Jiang" <dave.jiang@intel.com>, "Markus Armbruster" <armbru@redhat.com>, "Daniel P . Berrangé" <berrange@redhat.com>, "Eric Blake" <eblake@redhat.com>, "Mike Maslenkin" <mike.maslenkin@gmail.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Thomas Huth" <thuth@redhat.com> Subject: [PATCH v9 5/7] hw/cxl/events: Add injection of General Media Events Date: Tue, 30 May 2023 14:36:01 +0100 [thread overview] Message-ID: <20230530133603.16934-6-Jonathan.Cameron@huawei.com> (raw) In-Reply-To: <20230530133603.16934-1-Jonathan.Cameron@huawei.com> From: Ira Weiny <ira.weiny@intel.com> To facilitate testing provide a QMP command to inject a general media event. The event can be added to the log specified. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Fan Ni <fan.ni@samsung.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- v9: Double space after . for consistency. --- qapi/cxl.json | 74 ++++++++++++++++++++++++ include/hw/cxl/cxl_events.h | 20 +++++++ hw/mem/cxl_type3.c | 111 ++++++++++++++++++++++++++++++++++++ hw/mem/cxl_type3_stubs.c | 10 ++++ 4 files changed, 215 insertions(+) diff --git a/qapi/cxl.json b/qapi/cxl.json index ed1c7eea3a..d509430844 100644 --- a/qapi/cxl.json +++ b/qapi/cxl.json @@ -5,6 +5,80 @@ # = CXL devices ## +## +# @CxlEventLog: +# +# CXL has a number of separate event logs for different types of +# events. Each such event log is handled and signaled independently. +# +# @informational: Information Event Log +# +# @warning: Warning Event Log +# +# @failure: Failure Event Log +# +# @fatal: Fatal Event Log +# +# Since: 8.1 +## +{ 'enum': 'CxlEventLog', + 'data': ['informational', + 'warning', + 'failure', + 'fatal'] + } + +## +# @cxl-inject-general-media-event: +# +# Inject an event record for a General Media Event (CXL r3.0 +# 8.2.9.2.1.1). This event type is reported via one of the event logs +# specified via the log parameter. +# +# @path: CXL type 3 device canonical QOM path +# +# @log: event log to add the event to +# +# @flags: Event Record Flags. See CXL r3.0 Table 8-42 Common Event +# Record Format, Event Record Flags for subfield definitions. +# +# @dpa: Device Physical Address (relative to @path device). Note +# lower bits include some flags. See CXL r3.0 Table 8-43 General +# Media Event Record, Physical Address. +# +# @descriptor: Memory Event Descriptor with additional memory event +# information. See CXL r3.0 Table 8-43 General Media Event +# Record, Memory Event Descriptor for bit definitions. +# +# @type: Type of memory event that occurred. See CXL r3.0 Table 8-43 +# General Media Event Record, Memory Event Type for possible +# values. +# +# @transaction-type: Type of first transaction that caused the event +# to occur. See CXL r3.0 Table 8-43 General Media Event Record, +# Transaction Type for possible values. +# +# @channel: The channel of the memory event location. A channel is an +# interface that can be independently accessed for a transaction. +# +# @rank: The rank of the memory event location. A rank is a set of +# memory devices on a channel that together execute a transaction. +# +# @device: Bitmask that represents all devices in the rank associated +# with the memory event location. +# +# @component-id: Device specific component identifier for the event. +# May describe a field replaceable sub-component of the device. +# +# Since: 8.1 +## +{ 'command': 'cxl-inject-general-media-event', + 'data': { 'path': 'str', 'log': 'CxlEventLog', 'flags': 'uint8', + 'dpa': 'uint64', 'descriptor': 'uint8', + 'type': 'uint8', 'transaction-type': 'uint8', + '*channel': 'uint8', '*rank': 'uint8', + '*device': 'uint32', '*component-id': 'str' } } + ## # @cxl-inject-poison: # diff --git a/include/hw/cxl/cxl_events.h b/include/hw/cxl/cxl_events.h index 4bf8b7aa08..b189193f4c 100644 --- a/include/hw/cxl/cxl_events.h +++ b/include/hw/cxl/cxl_events.h @@ -103,4 +103,24 @@ typedef struct CXLEventInterruptPolicy { /* DCD is optional but other fields are not */ #define CXL_EVENT_INT_SETTING_MIN_LEN 4 +/* + * 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 +typedef struct CXLEventGenMedia { + CXLEventRecordHdr hdr; + uint64_t phys_addr; + uint8_t descriptor; + uint8_t type; + uint8_t transaction_type; + uint16_t validity_flags; + 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 CXLEventGenMedia; + #endif /* CXL_EVENTS_H */ diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index c9e347f42b..b1618779d2 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -1181,6 +1181,117 @@ void qmp_cxl_inject_correctable_error(const char *path, CxlCorErrorType type, pcie_aer_inject_error(PCI_DEVICE(obj), &err); } +static void cxl_assign_event_header(CXLEventRecordHdr *hdr, + const QemuUUID *uuid, uint32_t flags, + uint8_t length, uint64_t timestamp) +{ + st24_le_p(&hdr->flags, flags); + hdr->length = length; + memcpy(&hdr->id, uuid, sizeof(hdr->id)); + stq_le_p(&hdr->timestamp, timestamp); +} + +static const QemuUUID gen_media_uuid = { + .data = UUID(0xfbcd0a77, 0xc260, 0x417f, + 0x85, 0xa9, 0x08, 0x8b, 0x16, 0x21, 0xeb, 0xa6), +}; + +#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) + +static int ct3d_qmp_cxl_event_log_enc(CxlEventLog log) +{ + switch (log) { + case CXL_EVENT_LOG_INFORMATIONAL: + return CXL_EVENT_TYPE_INFO; + case CXL_EVENT_LOG_WARNING: + return CXL_EVENT_TYPE_WARN; + case CXL_EVENT_LOG_FAILURE: + return CXL_EVENT_TYPE_FAIL; + case CXL_EVENT_LOG_FATAL: + return CXL_EVENT_TYPE_FATAL; +/* DCD not yet supported */ + default: + return -EINVAL; + } +} +/* Component ID is device specific. Define this as a string. */ +void qmp_cxl_inject_general_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t dpa, + uint8_t descriptor, uint8_t type, + uint8_t transaction_type, + bool has_channel, uint8_t channel, + bool has_rank, uint8_t rank, + bool has_device, uint32_t device, + const char *component_id, + Error **errp) +{ + Object *obj = object_resolve_path(path, NULL); + CXLEventGenMedia gem; + CXLEventRecordHdr *hdr = &gem.hdr; + CXLDeviceState *cxlds; + CXLType3Dev *ct3d; + uint16_t valid_flags = 0; + uint8_t enc_log; + int rc; + + if (!obj) { + error_setg(errp, "Unable to resolve path"); + return; + } + if (!object_dynamic_cast(obj, TYPE_CXL_TYPE3)) { + error_setg(errp, "Path does not point to a CXL type 3 device"); + return; + } + ct3d = CXL_TYPE3(obj); + cxlds = &ct3d->cxl_dstate; + + rc = ct3d_qmp_cxl_event_log_enc(log); + if (rc < 0) { + error_setg(errp, "Unhandled error log type"); + return; + } + enc_log = rc; + + memset(&gem, 0, sizeof(gem)); + cxl_assign_event_header(hdr, &gen_media_uuid, flags, sizeof(gem), + cxl_device_get_timestamp(&ct3d->cxl_dstate)); + + stq_le_p(&gem.phys_addr, dpa); + gem.descriptor = descriptor; + gem.type = type; + gem.transaction_type = transaction_type; + + if (has_channel) { + gem.channel = channel; + valid_flags |= CXL_GMER_VALID_CHANNEL; + } + + if (has_rank) { + gem.rank = rank; + valid_flags |= CXL_GMER_VALID_RANK; + } + + if (has_device) { + st24_le_p(gem.device, device); + valid_flags |= CXL_GMER_VALID_DEVICE; + } + + if (component_id) { + strncpy((char *)gem.component_id, component_id, + sizeof(gem.component_id) - 1); + valid_flags |= CXL_GMER_VALID_COMPONENT; + } + + stw_le_p(&gem.validity_flags, valid_flags); + + if (cxl_event_insert(cxlds, enc_log, (CXLEventRecordRaw *)&gem)) { + cxl_event_irq_assert(ct3d); + } +} + static void ct3_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); diff --git a/hw/mem/cxl_type3_stubs.c b/hw/mem/cxl_type3_stubs.c index fd1166a610..4dfbdf9268 100644 --- a/hw/mem/cxl_type3_stubs.c +++ b/hw/mem/cxl_type3_stubs.c @@ -3,6 +3,16 @@ #include "qapi/error.h" #include "qapi/qapi-commands-cxl.h" +void qmp_cxl_inject_general_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t dpa, + uint8_t descriptor, uint8_t type, + uint8_t transaction_type, + bool has_channel, uint8_t channel, + bool has_rank, uint8_t rank, + bool has_device, uint32_t device, + const char *component_id, + Error **errp) {} + void qmp_cxl_inject_poison(const char *path, uint64_t start, uint64_t length, Error **errp) { -- 2.39.2
WARNING: multiple messages have this Message-ID (diff)
From: Jonathan Cameron via <qemu-devel@nongnu.org> To: <qemu-devel@nongnu.org>, Michael Tsirkin <mst@redhat.com>, Fan Ni <fan.ni@samsung.com> Cc: linux-cxl@vger.kernel.org, linuxarm@huawei.com, "Ira Weiny" <ira.weiny@intel.com>, "Michael Roth" <michael.roth@amd.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, "Dave Jiang" <dave.jiang@intel.com>, "Markus Armbruster" <armbru@redhat.com>, "Daniel P . Berrangé" <berrange@redhat.com>, "Eric Blake" <eblake@redhat.com>, "Mike Maslenkin" <mike.maslenkin@gmail.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Thomas Huth" <thuth@redhat.com> Subject: [PATCH v9 5/7] hw/cxl/events: Add injection of General Media Events Date: Tue, 30 May 2023 14:36:01 +0100 [thread overview] Message-ID: <20230530133603.16934-6-Jonathan.Cameron@huawei.com> (raw) In-Reply-To: <20230530133603.16934-1-Jonathan.Cameron@huawei.com> From: Ira Weiny <ira.weiny@intel.com> To facilitate testing provide a QMP command to inject a general media event. The event can be added to the log specified. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Fan Ni <fan.ni@samsung.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- v9: Double space after . for consistency. --- qapi/cxl.json | 74 ++++++++++++++++++++++++ include/hw/cxl/cxl_events.h | 20 +++++++ hw/mem/cxl_type3.c | 111 ++++++++++++++++++++++++++++++++++++ hw/mem/cxl_type3_stubs.c | 10 ++++ 4 files changed, 215 insertions(+) diff --git a/qapi/cxl.json b/qapi/cxl.json index ed1c7eea3a..d509430844 100644 --- a/qapi/cxl.json +++ b/qapi/cxl.json @@ -5,6 +5,80 @@ # = CXL devices ## +## +# @CxlEventLog: +# +# CXL has a number of separate event logs for different types of +# events. Each such event log is handled and signaled independently. +# +# @informational: Information Event Log +# +# @warning: Warning Event Log +# +# @failure: Failure Event Log +# +# @fatal: Fatal Event Log +# +# Since: 8.1 +## +{ 'enum': 'CxlEventLog', + 'data': ['informational', + 'warning', + 'failure', + 'fatal'] + } + +## +# @cxl-inject-general-media-event: +# +# Inject an event record for a General Media Event (CXL r3.0 +# 8.2.9.2.1.1). This event type is reported via one of the event logs +# specified via the log parameter. +# +# @path: CXL type 3 device canonical QOM path +# +# @log: event log to add the event to +# +# @flags: Event Record Flags. See CXL r3.0 Table 8-42 Common Event +# Record Format, Event Record Flags for subfield definitions. +# +# @dpa: Device Physical Address (relative to @path device). Note +# lower bits include some flags. See CXL r3.0 Table 8-43 General +# Media Event Record, Physical Address. +# +# @descriptor: Memory Event Descriptor with additional memory event +# information. See CXL r3.0 Table 8-43 General Media Event +# Record, Memory Event Descriptor for bit definitions. +# +# @type: Type of memory event that occurred. See CXL r3.0 Table 8-43 +# General Media Event Record, Memory Event Type for possible +# values. +# +# @transaction-type: Type of first transaction that caused the event +# to occur. See CXL r3.0 Table 8-43 General Media Event Record, +# Transaction Type for possible values. +# +# @channel: The channel of the memory event location. A channel is an +# interface that can be independently accessed for a transaction. +# +# @rank: The rank of the memory event location. A rank is a set of +# memory devices on a channel that together execute a transaction. +# +# @device: Bitmask that represents all devices in the rank associated +# with the memory event location. +# +# @component-id: Device specific component identifier for the event. +# May describe a field replaceable sub-component of the device. +# +# Since: 8.1 +## +{ 'command': 'cxl-inject-general-media-event', + 'data': { 'path': 'str', 'log': 'CxlEventLog', 'flags': 'uint8', + 'dpa': 'uint64', 'descriptor': 'uint8', + 'type': 'uint8', 'transaction-type': 'uint8', + '*channel': 'uint8', '*rank': 'uint8', + '*device': 'uint32', '*component-id': 'str' } } + ## # @cxl-inject-poison: # diff --git a/include/hw/cxl/cxl_events.h b/include/hw/cxl/cxl_events.h index 4bf8b7aa08..b189193f4c 100644 --- a/include/hw/cxl/cxl_events.h +++ b/include/hw/cxl/cxl_events.h @@ -103,4 +103,24 @@ typedef struct CXLEventInterruptPolicy { /* DCD is optional but other fields are not */ #define CXL_EVENT_INT_SETTING_MIN_LEN 4 +/* + * 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 +typedef struct CXLEventGenMedia { + CXLEventRecordHdr hdr; + uint64_t phys_addr; + uint8_t descriptor; + uint8_t type; + uint8_t transaction_type; + uint16_t validity_flags; + 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 CXLEventGenMedia; + #endif /* CXL_EVENTS_H */ diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index c9e347f42b..b1618779d2 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -1181,6 +1181,117 @@ void qmp_cxl_inject_correctable_error(const char *path, CxlCorErrorType type, pcie_aer_inject_error(PCI_DEVICE(obj), &err); } +static void cxl_assign_event_header(CXLEventRecordHdr *hdr, + const QemuUUID *uuid, uint32_t flags, + uint8_t length, uint64_t timestamp) +{ + st24_le_p(&hdr->flags, flags); + hdr->length = length; + memcpy(&hdr->id, uuid, sizeof(hdr->id)); + stq_le_p(&hdr->timestamp, timestamp); +} + +static const QemuUUID gen_media_uuid = { + .data = UUID(0xfbcd0a77, 0xc260, 0x417f, + 0x85, 0xa9, 0x08, 0x8b, 0x16, 0x21, 0xeb, 0xa6), +}; + +#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) + +static int ct3d_qmp_cxl_event_log_enc(CxlEventLog log) +{ + switch (log) { + case CXL_EVENT_LOG_INFORMATIONAL: + return CXL_EVENT_TYPE_INFO; + case CXL_EVENT_LOG_WARNING: + return CXL_EVENT_TYPE_WARN; + case CXL_EVENT_LOG_FAILURE: + return CXL_EVENT_TYPE_FAIL; + case CXL_EVENT_LOG_FATAL: + return CXL_EVENT_TYPE_FATAL; +/* DCD not yet supported */ + default: + return -EINVAL; + } +} +/* Component ID is device specific. Define this as a string. */ +void qmp_cxl_inject_general_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t dpa, + uint8_t descriptor, uint8_t type, + uint8_t transaction_type, + bool has_channel, uint8_t channel, + bool has_rank, uint8_t rank, + bool has_device, uint32_t device, + const char *component_id, + Error **errp) +{ + Object *obj = object_resolve_path(path, NULL); + CXLEventGenMedia gem; + CXLEventRecordHdr *hdr = &gem.hdr; + CXLDeviceState *cxlds; + CXLType3Dev *ct3d; + uint16_t valid_flags = 0; + uint8_t enc_log; + int rc; + + if (!obj) { + error_setg(errp, "Unable to resolve path"); + return; + } + if (!object_dynamic_cast(obj, TYPE_CXL_TYPE3)) { + error_setg(errp, "Path does not point to a CXL type 3 device"); + return; + } + ct3d = CXL_TYPE3(obj); + cxlds = &ct3d->cxl_dstate; + + rc = ct3d_qmp_cxl_event_log_enc(log); + if (rc < 0) { + error_setg(errp, "Unhandled error log type"); + return; + } + enc_log = rc; + + memset(&gem, 0, sizeof(gem)); + cxl_assign_event_header(hdr, &gen_media_uuid, flags, sizeof(gem), + cxl_device_get_timestamp(&ct3d->cxl_dstate)); + + stq_le_p(&gem.phys_addr, dpa); + gem.descriptor = descriptor; + gem.type = type; + gem.transaction_type = transaction_type; + + if (has_channel) { + gem.channel = channel; + valid_flags |= CXL_GMER_VALID_CHANNEL; + } + + if (has_rank) { + gem.rank = rank; + valid_flags |= CXL_GMER_VALID_RANK; + } + + if (has_device) { + st24_le_p(gem.device, device); + valid_flags |= CXL_GMER_VALID_DEVICE; + } + + if (component_id) { + strncpy((char *)gem.component_id, component_id, + sizeof(gem.component_id) - 1); + valid_flags |= CXL_GMER_VALID_COMPONENT; + } + + stw_le_p(&gem.validity_flags, valid_flags); + + if (cxl_event_insert(cxlds, enc_log, (CXLEventRecordRaw *)&gem)) { + cxl_event_irq_assert(ct3d); + } +} + static void ct3_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); diff --git a/hw/mem/cxl_type3_stubs.c b/hw/mem/cxl_type3_stubs.c index fd1166a610..4dfbdf9268 100644 --- a/hw/mem/cxl_type3_stubs.c +++ b/hw/mem/cxl_type3_stubs.c @@ -3,6 +3,16 @@ #include "qapi/error.h" #include "qapi/qapi-commands-cxl.h" +void qmp_cxl_inject_general_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t dpa, + uint8_t descriptor, uint8_t type, + uint8_t transaction_type, + bool has_channel, uint8_t channel, + bool has_rank, uint8_t rank, + bool has_device, uint32_t device, + const char *component_id, + Error **errp) {} + void qmp_cxl_inject_poison(const char *path, uint64_t start, uint64_t length, Error **errp) { -- 2.39.2
next prev parent reply other threads:[~2023-05-30 13:38 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-30 13:35 [PATCH v9 0/7] QEMU CXL Provide mock CXL events and irq support Jonathan Cameron 2023-05-30 13:35 ` Jonathan Cameron via 2023-05-30 13:35 ` [PATCH v9 1/7] hw/cxl/events: Add event status register Jonathan Cameron 2023-05-30 13:35 ` Jonathan Cameron via 2023-05-30 13:35 ` [PATCH v9 2/7] hw/cxl: Move CXLRetCode definition to cxl_device.h Jonathan Cameron 2023-05-30 13:35 ` Jonathan Cameron via 2023-05-30 13:35 ` [PATCH v9 3/7] hw/cxl/events: Wire up get/clear event mailbox commands Jonathan Cameron 2023-05-30 13:35 ` Jonathan Cameron via 2023-05-30 13:36 ` [PATCH v9 4/7] hw/cxl/events: Add event interrupt support Jonathan Cameron 2023-05-30 13:36 ` Jonathan Cameron via 2023-05-30 13:36 ` Jonathan Cameron [this message] 2023-05-30 13:36 ` [PATCH v9 5/7] hw/cxl/events: Add injection of General Media Events Jonathan Cameron via 2023-05-30 13:36 ` [PATCH v9 6/7] hw/cxl/events: Add injection of DRAM events Jonathan Cameron 2023-05-30 13:36 ` Jonathan Cameron via 2023-05-30 13:36 ` [PATCH v9 7/7] hw/cxl/events: Add injection of Memory Module Events Jonathan Cameron 2023-05-30 13:36 ` Jonathan Cameron via 2024-03-15 1:52 ` [PATCH v9 0/7] QEMU CXL Provide mock CXL events and irq support Yuquan Wang 2024-03-15 10:24 ` Jonathan Cameron 2024-03-15 10:24 ` Jonathan Cameron via
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