From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FE73C7EE2E for ; Mon, 27 Feb 2023 17:37:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230032AbjB0RhA (ORCPT ); Mon, 27 Feb 2023 12:37:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229928AbjB0Rg4 (ORCPT ); Mon, 27 Feb 2023 12:36:56 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1FA423D97 for ; Mon, 27 Feb 2023 09:36:50 -0800 (PST) Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4PQSNX3yDPz6J7CB; Tue, 28 Feb 2023 01:36:44 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Mon, 27 Feb 2023 17:36:48 +0000 From: Jonathan Cameron To: , Michael Tsirkin , Fan Ni CC: , , Ira Weiny , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Dave Jiang Subject: [PATCH v3 5/7] hw/cxl/events: Add injection of General Media Events Date: Mon, 27 Feb 2023 17:34:14 +0000 Message-ID: <20230227173416.7740-6-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230227173416.7740-1-Jonathan.Cameron@huawei.com> References: <20230227173416.7740-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml500001.china.huawei.com (7.191.163.213) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org From: Ira Weiny 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 Link: https://lore.kernel.org/r/20221221-ira-cxl-events-2022-11-17-v2-8-2ce2ecc06219@intel.com Signed-off-by: Jonathan Cameron --- v3: * Optional parameter handling without separate validity flags field by using the optional marking in the json. * Switch to an enum for the choice of event log. * QEMU style type defs * Added - to to some of the qmp fields. * Make validity_flags a uint16_t * Added since to qapi command.x --- hw/mem/cxl_type3.c | 110 ++++++++++++++++++++++++++++++++++++ hw/mem/cxl_type3_stubs.c | 10 ++++ include/hw/cxl/cxl_events.h | 20 +++++++ qapi/cxl.json | 50 ++++++++++++++++ 4 files changed, 190 insertions(+) diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index 371b3aa52e..5d55943df2 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -1152,6 +1152,116 @@ 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, uint8_t flags, + uint8_t length) +{ + hdr->flags[0] = flags; + hdr->length = length; + memcpy(&hdr->id, uuid, sizeof(hdr->id)); + hdr->timestamp = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); +} + +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_gen_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t physaddr, + 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)); + + gem.phys_addr = physaddr; + 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..55d19b0e03 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_gen_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t physaddr, + 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) { 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/qapi/cxl.json b/qapi/cxl.json index 9ebd680dfe..4ec06c0335 100644 --- a/qapi/cxl.json +++ b/qapi/cxl.json @@ -5,6 +5,56 @@ # = CXL devices ## +## +# @CxlEventLog: +# +# CXL has a number of separate event logs for different types of event. +# 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: 8.0 +## +{ 'enum': 'CxlEventLog', + 'data': ['informational', + 'warning', + 'failure', + 'fatal' + ] + } + +## +# @cxl-inject-gen-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: header flags +# @physaddr: Physical Address +# @descriptor: Descriptor +# @type: Type +# @transaction-type: Transaction Type +# @channel: Channel +# @rank: Rank +# @device: Device +# @component-id: Device specific string +# +# Since: 8.0 +## +{ 'command': 'cxl-inject-gen-media-event', + 'data': { 'path': 'str', 'log': 'CxlEventLog', 'flags': 'uint8', + 'physaddr': 'uint64', 'descriptor': 'uint8', + 'type': 'uint8', 'transaction-type': 'uint8', + '*channel': 'uint8', '*rank': 'uint8', + '*device': 'uint32', '*component-id': 'str' + }} + ## # @cxl-inject-poison: # -- 2.37.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C9C55C64ED8 for ; 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Mon, 27 Feb 2023 17:36:48 +0000 To: , Michael Tsirkin , Fan Ni CC: , , Ira Weiny , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Dave Jiang Subject: [PATCH v3 5/7] hw/cxl/events: Add injection of General Media Events Date: Mon, 27 Feb 2023 17:34:14 +0000 Message-ID: <20230227173416.7740-6-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230227173416.7740-1-Jonathan.Cameron@huawei.com> References: <20230227173416.7740-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml500001.china.huawei.com (7.191.163.213) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ira Weiny 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 Link: https://lore.kernel.org/r/20221221-ira-cxl-events-2022-11-17-v2-8-2ce2ecc06219@intel.com Signed-off-by: Jonathan Cameron --- v3: * Optional parameter handling without separate validity flags field by using the optional marking in the json. * Switch to an enum for the choice of event log. * QEMU style type defs * Added - to to some of the qmp fields. * Make validity_flags a uint16_t * Added since to qapi command.x --- hw/mem/cxl_type3.c | 110 ++++++++++++++++++++++++++++++++++++ hw/mem/cxl_type3_stubs.c | 10 ++++ include/hw/cxl/cxl_events.h | 20 +++++++ qapi/cxl.json | 50 ++++++++++++++++ 4 files changed, 190 insertions(+) diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index 371b3aa52e..5d55943df2 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -1152,6 +1152,116 @@ 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, uint8_t flags, + uint8_t length) +{ + hdr->flags[0] = flags; + hdr->length = length; + memcpy(&hdr->id, uuid, sizeof(hdr->id)); + hdr->timestamp = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); +} + +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_gen_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t physaddr, + 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)); + + gem.phys_addr = physaddr; + 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..55d19b0e03 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_gen_media_event(const char *path, CxlEventLog log, + uint8_t flags, uint64_t physaddr, + 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) { 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/qapi/cxl.json b/qapi/cxl.json index 9ebd680dfe..4ec06c0335 100644 --- a/qapi/cxl.json +++ b/qapi/cxl.json @@ -5,6 +5,56 @@ # = CXL devices ## +## +# @CxlEventLog: +# +# CXL has a number of separate event logs for different types of event. +# 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: 8.0 +## +{ 'enum': 'CxlEventLog', + 'data': ['informational', + 'warning', + 'failure', + 'fatal' + ] + } + +## +# @cxl-inject-gen-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: header flags +# @physaddr: Physical Address +# @descriptor: Descriptor +# @type: Type +# @transaction-type: Transaction Type +# @channel: Channel +# @rank: Rank +# @device: Device +# @component-id: Device specific string +# +# Since: 8.0 +## +{ 'command': 'cxl-inject-gen-media-event', + 'data': { 'path': 'str', 'log': 'CxlEventLog', 'flags': 'uint8', + 'physaddr': 'uint64', 'descriptor': 'uint8', + 'type': 'uint8', 'transaction-type': 'uint8', + '*channel': 'uint8', '*rank': 'uint8', + '*device': 'uint32', '*component-id': 'str' + }} + ## # @cxl-inject-poison: # -- 2.37.2