From patchwork Fri Nov 22 18:04:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 845233 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 398901E0DF4; Fri, 22 Nov 2024 18:04:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732298699; cv=none; b=FpCtaPzls6dqt3vWGCtvjI/NuuFgkQ+MalKf7SvgXEQeaANKx/4Lxl1+IaDpTW71QBipBx6/0PAScEjB1Cpaa/PKbyQ7kPs+C2zPbHHQmwzyeDF3ZIarrO6cc8kdyseBrPzPEFJfjUrQExHRo9lLjfczS+cD6iPFz1sQGEADeRk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732298699; c=relaxed/simple; bh=HJQzXf/HFn3NA0LUGGww93/tf9uOxjozbbYw5xB9CS4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RAgdbX8C5ZOaB++/wjaTc3iXzD22O6puwPtqTDAUnfzCeokAqqnlDVhmwtVSMhSxN7Eq5vmE8U4BoyflcoGQ578nqyyH4CHifnv6UwUSXsVALOIvAijia7ZTYCQYAndnaoMOr46vCpeIBIkQztpYGYA2Ct5MwVHaVYYO03MfhMs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Xw2wD3yMMz6K6CG; Sat, 23 Nov 2024 02:01:16 +0800 (CST) Received: from frapeml500007.china.huawei.com (unknown [7.182.85.172]) by mail.maildlp.com (Postfix) with ESMTPS id F279D140C72; Sat, 23 Nov 2024 02:04:54 +0800 (CST) Received: from P_UKIT01-A7bmah.china.huawei.com (10.126.171.16) by frapeml500007.china.huawei.com (7.182.85.172) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 22 Nov 2024 19:04:52 +0100 From: To: , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v17 07/18] cxl: Add Get Feature command support for user submission Date: Fri, 22 Nov 2024 18:04:04 +0000 Message-ID: <20241122180416.1932-8-shiju.jose@huawei.com> X-Mailer: git-send-email 2.43.0.windows.1 In-Reply-To: <20241122180416.1932-1-shiju.jose@huawei.com> References: <20241122180416.1932-1-shiju.jose@huawei.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: lhrpeml500002.china.huawei.com (7.191.160.78) To frapeml500007.china.huawei.com (7.182.85.172) From: Dave Jiang Add enumeration of Get Feature mailbox command for the kernel to recognize the command being passed in from user space. CXL spec r3.1 8.2.9.6.2 Get Feature (Opcode 0501h) The feature requested is identified by specific UUID. Signed-off-by: Dave Jiang Reviewed-by: Jonathan Cameron Signed-off-by: Shiju Jose --- drivers/cxl/core/mbox.c | 1 + include/uapi/linux/cxl_mem.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index f96648c7a0c6..37764d3d470d 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -68,6 +68,7 @@ static struct cxl_mem_command cxl_mem_commands[CXL_MEM_COMMAND_ID_MAX] = { CXL_CMD(GET_SCAN_MEDIA_CAPS, 0x10, 0x4, 0), CXL_CMD(GET_TIMESTAMP, 0, 0x8, 0), CXL_CMD(GET_SUPPORTED_FEATURES, 0x8, CXL_VARIABLE_PAYLOAD, 0), + CXL_CMD(GET_FEATURE, 0x15, CXL_VARIABLE_PAYLOAD, 0), }; /* diff --git a/include/uapi/linux/cxl_mem.h b/include/uapi/linux/cxl_mem.h index bd2535962f70..90dcb9723997 100644 --- a/include/uapi/linux/cxl_mem.h +++ b/include/uapi/linux/cxl_mem.h @@ -51,6 +51,7 @@ ___C(CLEAR_LOG, "Clear Log"), \ ___C(GET_SUP_LOG_SUBLIST, "Get Supported Logs Sub-List"), \ ___C(GET_SUPPORTED_FEATURES, "Get Supported Features"), \ + ___C(GET_FEATURE, "Get Feature"), \ ___C(MAX, "invalid / last command") #define ___C(a, b) CXL_MEM_COMMAND_ID_##a