From patchwork Thu May 11 16:24:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Lombard X-Patchwork-Id: 1780180 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=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=J7qB+8TF; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QHHPb1gwxz213w for ; Fri, 12 May 2023 02:28:03 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4QHHPb0f03z3fZK for ; Fri, 12 May 2023 02:28:03 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=J7qB+8TF; dkim-atps=neutral X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com; envelope-from=clombard@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=J7qB+8TF; dkim-atps=neutral Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4QHHL30Mr5z3fR7 for ; Fri, 12 May 2023 02:24:58 +1000 (AEST) Received: from pps.filterd (m0356516.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34BFhh72024064 for ; Thu, 11 May 2023 16:24:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=fIWbt2RZwxkPQLZuhmf1fLmVpv/x/+ytqcEaC7FnbPg=; b=J7qB+8TFrT43QHQvS2SNfZpRMny9TZo9eL1/PRN+qDPsRLdvZ2UzoSEaSlv4PvW8bBKB FrX3iWP1d3ieyDd0X6xqnnjTaIFAzSWEbK2UCBikVvlksWqNdyQEq8wNTguwplHOO0yH ZOQtIe3M/7I00RLG25jaRgSg9uPtzC7h1y1EefSxZ/AtvXMGIUWn4McTZCrvF8qp9XMi ncIxeQ2KbSUily+mny15cRjARZ1uUwH8dZo3v5EO8jb7O0kj/vfyNOFLxTQ5MgYglMO4 x6d/gMsuOyLi4GoZjjUhPVdc+yW/3yJNoEjCfx9x8GxcOD+n+8Dcx9Q9ItXAn45pT99T jg== Received: from ppma03fra.de.ibm.com (6b.4a.5195.ip4.static.sl-reverse.com [149.81.74.107]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3qh38k1jdm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 11 May 2023 16:24:56 +0000 Received: from pps.filterd (ppma03fra.de.ibm.com [127.0.0.1]) by ppma03fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 34BFcNIL001906 for ; Thu, 11 May 2023 16:24:54 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma03fra.de.ibm.com (PPS) with ESMTPS id 3qf7s8hgd4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 11 May 2023 16:24:53 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 34BGOpNV29557500 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 11 May 2023 16:24:51 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7F98420049 for ; Thu, 11 May 2023 16:24:51 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4346920040 for ; Thu, 11 May 2023 16:24:51 +0000 (GMT) Received: from li-ac0ca24c-3330-11b2-a85c-93224c50ad7a.home (unknown [9.179.3.92]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP for ; Thu, 11 May 2023 16:24:51 +0000 (GMT) From: Christophe Lombard To: skiboot@lists.ozlabs.org Date: Thu, 11 May 2023 18:24:37 +0200 Message-Id: <20230511162446.10457-13-clombard@linux.ibm.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230511162446.10457-1-clombard@linux.ibm.com> References: <20230511162446.10457-1-clombard@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: fG8NFUUFaQ_cxfOnSQT73pZ0-VD4yt4S X-Proofpoint-ORIG-GUID: fG8NFUUFaQ_cxfOnSQT73pZ0-VD4yt4S X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-11_13,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 impostorscore=0 phishscore=0 suspectscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305110139 Subject: [Skiboot] [PATCH V7 12/21] core/pldm: Send a system firmware Graceful Restart request X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" Set the state information of the PLDM effecter identified by: the entity type (PLDM_ENTITY_SYS_FIRMWARE) and the state set PLDM_STATE_SET_SW_TERMINATION_STATUS with the effecter state: PLDM_SW_TERM_GRACEFUL_RESTART_REQUESTED to request a platform restart. Reviewed-by: Abhishek Singh Tomar Signed-off-by: Christophe Lombard --- core/pldm/pldm-platform-requests.c | 75 ++++++++++++++++++++++++++++++ include/pldm.h | 5 ++ 2 files changed, 80 insertions(+) diff --git a/core/pldm/pldm-platform-requests.c b/core/pldm/pldm-platform-requests.c index 5bbdd012..632f7fe5 100644 --- a/core/pldm/pldm-platform-requests.c +++ b/core/pldm/pldm-platform-requests.c @@ -44,6 +44,49 @@ static void pdr_init_complete(bool success) pdr_ready = true; } +/* + * Search the matching record and return the effecter id. + * PDR type = PLDM_STATE_EFFECTER_PDR + */ +static int find_effecter_id_by_state_set_Id(uint16_t entity_type, + uint16_t state_set_id, + uint16_t *effecter_id) +{ + struct state_effecter_possible_states *possible_states; + struct pldm_state_effecter_pdr *state_effecter_pdr; + const pldm_pdr_record *record = NULL; + uint8_t *outData = NULL; + uint32_t size; + + do { + /* Find (first) PDR record by PLDM_STATE_EFFECTER_PDR type + * if record not NULL, then search will begin from this + * record's next record + */ + record = pldm_pdr_find_record_by_type( + pdrs_repo, /* PDR repo handle */ + PLDM_STATE_EFFECTER_PDR, + record, /* PDR record handle */ + &outData, &size); + + if (record) { + state_effecter_pdr = (struct pldm_state_effecter_pdr *) outData; + + *effecter_id = le16_to_cpu(state_effecter_pdr->effecter_id); + + possible_states = (struct state_effecter_possible_states *) + state_effecter_pdr->possible_states; + + if ((le16_to_cpu(state_effecter_pdr->entity_type) == entity_type) && + (le16_to_cpu(possible_states->state_set_id) == state_set_id)) + return OPAL_SUCCESS; + } + + } while (record); + + return OPAL_PARAMETER; +} + struct set_effecter_state_response { uint8_t completion_code; }; @@ -126,6 +169,38 @@ static int set_state_effecter_states_req(uint16_t effecter_id, return OPAL_SUCCESS; } +/* + * entity_type: System Firmware + * state_set: Software Termination Status(129) + * states: Graceful Restart Requested(6) + */ +int pldm_platform_restart(void) +{ + set_effecter_state_field field; + uint16_t effecter_id; + int rc; + + if (!pdr_ready) + return OPAL_HARDWARE; + + rc = find_effecter_id_by_state_set_Id( + PLDM_ENTITY_SYS_FIRMWARE, + PLDM_STATE_SET_SW_TERMINATION_STATUS, + &effecter_id); + if (rc) { + prlog(PR_ERR, "%s - effecter id not found\n", __func__); + return rc; + } + + field.set_request = PLDM_REQUEST_SET; + field.effecter_state = PLDM_SW_TERM_GRACEFUL_RESTART_REQUESTED; + + prlog(PR_INFO, "sending system firmware Graceful Restart request (effecter_id: %d)\n", + effecter_id); + + return set_state_effecter_states_req(effecter_id, &field, true); +} + struct get_pdr_response { uint8_t completion_code; uint32_t next_record_hndl; diff --git a/include/pldm.h b/include/pldm.h index 617287fe..6d86cd10 100644 --- a/include/pldm.h +++ b/include/pldm.h @@ -21,4 +21,9 @@ int pldm_mctp_init(void); */ void pldm_mctp_exit(void); +/** + * Send a system firmware Graceful Restart request + */ +int pldm_platform_restart(void); + #endif /* __PLDM_H__ */