From patchwork Fri Nov 22 18:04:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 845232 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 9CE561DFDAF; Fri, 22 Nov 2024 18:05:02 +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=1732298705; cv=none; b=eZzhzP5FTqIVQnWW/Ny6fAdTlMPk46/2hit474MfM8EkHSu0zruTFQWEGbxGSOLCusOUI0UFSJOi9v+K2sLlawY5PXNoQ5GzBSKuhM5BGJue+1w9WIiMPrDAcsRhOc8WwP35t6NyXYyfANSc5u1wPd7paXMjeCIMeq0nnv7v2w8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732298705; c=relaxed/simple; bh=yfwWg9uor1m1hAtLiG8mEBFVi6R+1pN8J78XPdrWdJE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=beX4xuANeyQOzkkGZd/kdqJdc+t0yiFC77z1yPRmaF5I9ZnUMTbEbMn5+zXCMixJHML9FwY8KN92XTvvQ1wQNTt+rK4R//mHKGCP8Y0Wpp5TvXh/Emw6giCW4BlIOmjIDMGy/t6m2PIAEPgFNIXmHAO3baBh9X3adlW6JLI4VN8= 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 [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Xw30302jPz6LCdy; Sat, 23 Nov 2024 02:04:35 +0800 (CST) Received: from frapeml500007.china.huawei.com (unknown [7.182.85.172]) by mail.maildlp.com (Postfix) with ESMTPS id C0E5514010C; Sat, 23 Nov 2024 02:05:00 +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 19:04:58 +0100 From: To: , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v17 09/18] cxl: Add Set Feature command support for user submission Date: Fri, 22 Nov 2024 18:04:06 +0000 Message-ID: <20241122180416.1932-10-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 Set Feature mailbox command for the kernel to recognize the command being passed in from user space. CXL spec r3.1 8.2.9.6.3 Set Feature (Opcode 0502h) The feature requested is identified by specific UUID. Signed-off-by: Dave Jiang 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 c29bf0e1f12c..117205f45d7c 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -69,6 +69,7 @@ static struct cxl_mem_command cxl_mem_commands[CXL_MEM_COMMAND_ID_MAX] = { 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), + CXL_CMD(SET_FEATURE, CXL_VARIABLE_PAYLOAD, 0, 0), }; /* diff --git a/include/uapi/linux/cxl_mem.h b/include/uapi/linux/cxl_mem.h index 90dcb9723997..469dd481795f 100644 --- a/include/uapi/linux/cxl_mem.h +++ b/include/uapi/linux/cxl_mem.h @@ -52,6 +52,7 @@ ___C(GET_SUP_LOG_SUBLIST, "Get Supported Logs Sub-List"), \ ___C(GET_SUPPORTED_FEATURES, "Get Supported Features"), \ ___C(GET_FEATURE, "Get Feature"), \ + ___C(SET_FEATURE, "Set Feature"), \ ___C(MAX, "invalid / last command") #define ___C(a, b) CXL_MEM_COMMAND_ID_##a