From patchwork Tue Aug 29 09:23:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Lombard X-Patchwork-Id: 1827166 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org 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=IY8xglwJ; dkim-atps=neutral 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=patchwork.ozlabs.org) 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 (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RZhpm3fKNz1yZs for ; Tue, 29 Aug 2023 19:25:04 +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=IY8xglwJ; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4RZhpm2VwKz3c3c for ; Tue, 29 Aug 2023 19:25:04 +1000 (AEST) X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org 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=IY8xglwJ; dkim-atps=neutral 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=lists.ozlabs.org) 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 4RZhnJ36wtz30XM for ; Tue, 29 Aug 2023 19:23:48 +1000 (AEST) Received: from pps.filterd (m0353724.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37T9C0df025763 for ; Tue, 29 Aug 2023 09:23:45 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=nBwQRw0F0jFWXqRCCDcbu9ABbKh2pKac4JUJFjm6584=; b=IY8xglwJMN73XbHtW5CqKnhTPLdz3IL6m33HzewYtloUpgpUSQmKgJil8rG1eSN94D9e K0UZIQewWijmwa8xKJxt9uhu1vgfB5nF4iAaGh16Q8Jzkr9F5lDz9LTmD7b3NLHZTIbP dcp0uHJYK28DaySv9PGZqOyl5RNTe90Lg4fvpLMUGMVSi1y7WhvGa4rQIyQv0GWKbJV2 HkthX1Yz/ogijq1tnpIoQ27SrcMKm2u0nf6+saPfQeGiYu6ZPxcT3YSvnezVA583v1Ra I8moDfrfq0PZxTVK33guU1NTdQsHUIPAQ+33X0ORtDxfWsuUR6oq242jUWdK1+m58Dsl UQ== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3sr8q7xn5k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 29 Aug 2023 09:23:45 +0000 Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 37T8dEQq014103 for ; Tue, 29 Aug 2023 09:23:44 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 3sqwxjsu3d-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 29 Aug 2023 09:23:44 +0000 Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 37T9Ngeo54264214 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 29 Aug 2023 09:23:43 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D693C20043 for ; Tue, 29 Aug 2023 09:23:42 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 99DD720040 for ; Tue, 29 Aug 2023 09:23:42 +0000 (GMT) Received: from li-ac0ca24c-3330-11b2-a85c-93224c50ad7a.home (unknown [9.171.88.232]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP for ; Tue, 29 Aug 2023 09:23:42 +0000 (GMT) From: Christophe Lombard To: skiboot@lists.ozlabs.org Date: Tue, 29 Aug 2023 11:23:25 +0200 Message-ID: <20230829092338.75785-9-clombard@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230829092338.75785-1-clombard@linux.ibm.com> References: <20230829092338.75785-1-clombard@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 1KHiqNtHikRzCRo4r1e2issCkjuM4zvU X-Proofpoint-ORIG-GUID: 1KHiqNtHikRzCRo4r1e2issCkjuM4zvU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-29_06,2023-08-28_04,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 spamscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 mlxscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308290078 Subject: [Skiboot] [PATCH V10 08/21] core/pldm: Encode GetPLDMVersion response 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" The GetPLDMVersion command can be used to retrieve the PLDM base specification versions that the PLDM terminus supports, as well as the PLDM Type specification versions supported for each PLDM Type. The reported version for Type 0 (PLDMbase) shall be encoded as 0xF1F1F000. Reviewed-by: Abhishek Singh Tomar Signed-off-by: Christophe Lombard --- core/pldm/pldm-responder.c | 94 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/core/pldm/pldm-responder.c b/core/pldm/pldm-responder.c index 26a202d58..a233ea3e9 100644 --- a/core/pldm/pldm-responder.c +++ b/core/pldm/pldm-responder.c @@ -237,6 +237,8 @@ static struct pldm_cmd pldm_base_get_types = { /* * Extended error codes defined for the Base command set. */ +#define INVALID_DATA_TRANSFER_HANDLE 0x80 +#define INVALID_TRANSFER_OPERATION_FLAG 0x81 #define INVALID_PLDM_TYPE_IN_REQUEST_DATA 0x83 #define INVALID_PLDM_VERSION_IN_REQUEST_DATA 0x84 @@ -332,6 +334,97 @@ static struct pldm_cmd pldm_base_get_commands = { .handler = base_get_commands_handler, }; +/* + * GetPLDMVersion (0x03) + * The GetPLDMVersion command can be used to retrieve the PLDM base + * specification versions that the PLDM terminus supports, as well as + * the PLDM Type specification versions supported for each PLDM Type. + */ +static int base_get_version_handler(const struct pldm_rx_data *rx) +{ + uint32_t version_data[2]; + size_t data_size = PLDM_MSG_SIZE(struct pldm_get_version_resp) + sizeof(version_data); + const struct pldm_type *type; + struct pldm_tx_data *tx; + uint8_t type_id, opflag; + uint32_t xfer_handle; + size_t payload_len; + int rc; + + payload_len = rx->msg_len - sizeof(struct pldm_msg_hdr); + rc = decode_get_version_req(rx->msg, payload_len, + &xfer_handle, + &opflag, + &type_id); + if (rc) { + prlog(PR_ERR, "Failed to decode GetPLDMVersion request, rc = %d", rc); + cc_resp(rx, rx->hdrinf.pldm_type, + rx->hdrinf.command, PLDM_ERROR); + return OPAL_INTERNAL_ERROR; + } + + /* reject multipart requests */ + if (opflag != PLDM_GET_FIRSTPART) { + cc_resp(rx, rx->hdrinf.pldm_type, + rx->hdrinf.command, + INVALID_TRANSFER_OPERATION_FLAG); + return OPAL_PARAMETER; + } + + type = find_type(type_id); + if (!type) { + cc_resp(rx, rx->hdrinf.pldm_type, + rx->hdrinf.command, + INVALID_PLDM_TYPE_IN_REQUEST_DATA); + return OPAL_PARAMETER; + } + + /* pack a scratch buffer with our version(s) and CRC32 the lot */ + memcpy(&version_data[0], &type->version, 4); + + version_data[1] = cpu_to_le32(crc32(&type->version, 4)); + + /* create a PLDM response for GetPLDMVersion */ + tx = zalloc(sizeof(struct pldm_tx_data) + data_size); + if (!tx) + return OPAL_NO_MEM; + tx->data_size = data_size; + tx->tag_owner = true; + tx->msg_tag = rx->msg_tag; + + rc = encode_get_version_resp(rx->hdrinf.instance, + PLDM_SUCCESS, + 0x0, /* no handle */ + PLDM_START_AND_END, + (ver32_t *) version_data, + sizeof(version_data), + (struct pldm_msg *)tx->data); + if (rc != PLDM_SUCCESS) { + prlog(PR_ERR, "Encode GetPLDMVersion Error, rc: %d\n", rc); + cc_resp(rx, rx->hdrinf.pldm_type, + rx->hdrinf.command, PLDM_ERROR); + free(tx); + return OPAL_PARAMETER; + } + + /* send PLDM message over MCTP */ + rc = pldm_mctp_message_tx(tx); + if (rc) { + prlog(PR_ERR, "Failed to send GetPLDMVersion response, rc = %d\n", rc); + free(tx); + return OPAL_HARDWARE; + } + + free(tx); + return OPAL_SUCCESS; +} + +static struct pldm_cmd pldm_base_get_version = { + .name = "PLDM_GET_PLDM_VERSION", + .pldm_cmd_id = PLDM_GET_PLDM_VERSION, + .handler = base_get_version_handler, +}; + int pldm_responder_handle_request(struct pldm_rx_data *rx) { const struct pldm_type *type; @@ -370,6 +463,7 @@ int pldm_responder_init(void) add_cmd(&pldm_base_type, &pldm_base_get_tid); add_cmd(&pldm_base_type, &pldm_base_get_types); add_cmd(&pldm_base_type, &pldm_base_get_commands); + add_cmd(&pldm_base_type, &pldm_base_get_version); return OPAL_SUCCESS; }