From patchwork Tue Jan 7 05:29:05 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wilfred Mallawa X-Patchwork-Id: 13928980 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 6F09CE7719A for ; Tue, 7 Jan 2025 14:04:12 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tVABG-0000TJ-1j; Tue, 07 Jan 2025 09:03:38 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tV3cV-0007wf-Dl; Tue, 07 Jan 2025 02:03:20 -0500 Received: from esa3.hgst.iphmx.com ([216.71.153.141]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tV3cO-0004zZ-2y; Tue, 07 Jan 2025 02:03:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1736233392; x=1767769392; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=gYmecUfEHFrflkAIsndmLPSY9mdKQbd3wN3YyLyxmmc=; b=rYCWKpcm3FNXR8i7bO9S5tAHVRpKjejZsEa1QM9hmYtzGV2o4RXsfEFb m4u5NI9ojjYquEl/XnsYarWVlXpe83Jsfb5CqhAMB8ccWVAn83r/cpbuC GxFvS66LOyVkxSmbGFqjLa9nu69lb6dQcw3EJ+ek7l5m8yMaRY8z1DLdy 1O6y3ugb4pQmZ1KNz5KdJldzhM1no+dLeuS6BLJfnvhxeKz7fHLDhIDmU febyPkiRfVm1KYT5fGB7P0f4vYEO8CGDHXDI7IEnDMw9R7m6tE2lQSwLl g8rkQzF2Xy/53o9uLv295QzgkT5kliS/RUyhvwl+fMajUWixXhZVBG3Fe A==; X-CSE-ConnectionGUID: 1GvPkIT1SQOWoiPSONDu5g== X-CSE-MsgGUID: wUAtLr6UT5mWTHdCMAh+Ow== X-IronPort-AV: E=Sophos;i="6.12,294,1728921600"; d="scan'208";a="35368515" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 07 Jan 2025 15:03:07 +0800 IronPort-SDR: 677cc2dd_Ob7RuuFP5XDg3A5i2GtWeRMrDB1Hk7Mzclm7SBN3FK8eWTS M9JZxn2PUZ8lg8HwIaQraJnd+wW4et5n6stM1pw== Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 06 Jan 2025 21:59:57 -0800 WDCIronportException: Internal Received: from unknown (HELO fedora.wdc.com) ([10.225.165.88]) by uls-op-cesaip01.wdc.com with ESMTP; 06 Jan 2025 23:03:02 -0800 To: qemu-devel@nongnu.org, qemu-block@nongnu.org Cc: alistair.francis@wdc.com, kbusch@kernel.org, its@irrelevant.dk, foss@defmacro.it, stefanha@redhat.com, fam@euphon.net, philmd@linaro.org, kwolf@redhat.com, hreitz@redhat.com, mst@redhat.com, marcel.apfelbaum@gmail.com, Wilfred Mallawa Subject: [RFC 1/4] spdm-socket: add seperate send/recv functions Date: Tue, 7 Jan 2025 15:29:05 +1000 Message-ID: <20250107052906.249973-4-wilfred.mallawa@wdc.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250107052906.249973-2-wilfred.mallawa@wdc.com> References: <20250107052906.249973-2-wilfred.mallawa@wdc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=216.71.153.141; envelope-from=prvs=095394c9e=wilfred.mallawa@wdc.com; helo=esa3.hgst.iphmx.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Tue, 07 Jan 2025 09:03:36 -0500 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: Wilfred Mallawa X-Patchwork-Original-From: Wilfred Mallawa via From: Wilfred Mallawa Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This is to support uni-directional transports such as SPDM over Storage. As specified by the DMTF DSP0286. Signed-off-by: Wilfred Mallawa --- backends/spdm-socket.c | 25 +++++++++++++++++++++++++ include/system/spdm-socket.h | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 60 insertions(+) diff --git a/backends/spdm-socket.c b/backends/spdm-socket.c index 2c709c68c8..4421b5c532 100644 --- a/backends/spdm-socket.c +++ b/backends/spdm-socket.c @@ -184,6 +184,31 @@ int spdm_socket_connect(uint16_t port, Error **errp) return client_socket; } +uint32_t spdm_socket_receive(const int socket, uint32_t transport_type, + void *rsp, uint32_t rsp_len) +{ + uint32_t command; + bool result; + + result = receive_platform_data(socket, transport_type, &command, + (uint8_t *)rsp, &rsp_len); + + if (!result) { + return 0; + } + + assert(command != 0); + + return rsp_len; +} + +bool spdm_socket_send(const int socket, uint32_t socket_cmd, + uint32_t transport_type, void *req, uint32_t req_len) +{ + return send_platform_data(socket, transport_type, + socket_cmd, req, req_len); +} + uint32_t spdm_socket_rsp(const int socket, uint32_t transport_type, void *req, uint32_t req_len, void *rsp, uint32_t rsp_len) diff --git a/include/system/spdm-socket.h b/include/system/spdm-socket.h index 5d8bd9aa4e..2b7d03f82d 100644 --- a/include/system/spdm-socket.h +++ b/include/system/spdm-socket.h @@ -50,6 +50,35 @@ uint32_t spdm_socket_rsp(const int socket, uint32_t transport_type, void *req, uint32_t req_len, void *rsp, uint32_t rsp_len); +/** + * spdm_socket_rsp: Receive a message from an SPDM server + * @socket: socket returned from spdm_socket_connect() + * @transport_type: SPDM_SOCKET_TRANSPORT_TYPE_* macro + * @rsp: response buffer + * @rsp_len: response buffer length + * + * Receives a message from the SPDM server and returns the number of bytes + * received or 0 on failure. This can be used to receive a message from the SPDM + * server without sending anything first. + */ +uint32_t spdm_socket_receive(const int socket, uint32_t transport_type, + void *rsp, uint32_t rsp_len); + +/** + * spdm_socket_rsp: Sends a message to an SPDM server + * @socket: socket returned from spdm_socket_connect() + * @socket_cmd: socket command type (normal/if_recv/if_send etc...) + * @transport_type: SPDM_SOCKET_TRANSPORT_TYPE_* macro + * @req: request buffer + * @req_len: request buffer length + * + * Sends platform data to a SPDM server on socket, returns true on success. + * The response from the server must then be fetched by using + * spdm_socket_receive(). + */ +bool spdm_socket_send(const int socket, uint32_t socket_cmd, + uint32_t transport_type, void *req, uint32_t req_len); + /** * spdm_socket_close: send a shutdown command to the server * @socket: socket returned from spdm_socket_connect() @@ -60,6 +89,9 @@ uint32_t spdm_socket_rsp(const int socket, uint32_t transport_type, void spdm_socket_close(const int socket, uint32_t transport_type); #define SPDM_SOCKET_COMMAND_NORMAL 0x0001 +#define SPDM_SOCKET_STORAGE_CMD_IF_SEND 0x0002 +#define SPDM_SOCKET_STORAGE_CMD_IF_RECV 0x0003 +#define SOCKET_SPDM_STORAGE_ACK_STATUS 0x0004 #define SPDM_SOCKET_COMMAND_OOB_ENCAP_KEY_UPDATE 0x8001 #define SPDM_SOCKET_COMMAND_CONTINUE 0xFFFD #define SPDM_SOCKET_COMMAND_SHUTDOWN 0xFFFE @@ -68,7 +100,10 @@ void spdm_socket_close(const int socket, uint32_t transport_type); #define SPDM_SOCKET_TRANSPORT_TYPE_MCTP 0x01 #define SPDM_SOCKET_TRANSPORT_TYPE_PCI_DOE 0x02 +#define SPDM_SOCKET_TRANSPORT_TYPE_SCSI 0x03 +#define SPDM_SOCKET_TRANSPORT_TYPE_NVME 0x04 #define SPDM_SOCKET_MAX_MESSAGE_BUFFER_SIZE 0x1200 +#define SPDM_SOCKET_MAX_MSG_STATUS_LEN 0x02 #endif