From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0D611E7718A for ; Fri, 20 Dec 2024 03:54:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=it8TC3omcvsc7cT+tTzeGuirDtUVOh2SOWzG+1+B1qo=; b=PcuC2eBGYIdTxRaL3UV5U9kloi clF834C2/X1AX2Vzf9RHDlpp6j8hwc164rpLcPJ9aGmcTSAl5tkKsAzeVOU+ggG5oLu5ur4L3rdsZ RAQ4pUIshfrF6WFv2oGPgKot3YOEGNMkjm6SO1PuVztuxd0Ddai3PUjck2UaX9L08jkUgLEAL27/j rbR41ltEVF+7BpEX18/qWZeSWtaTOugf0zzF4O2SepLCT/v4fTNMZZ7rMG98pEeyUcl2ENOunMzXz FfPWVroLbruTHi/uk7A1NUtjfwIijQgv2MTptMm0EJ6bcqoHlShzt2lkgPRs5LB/n+f2fzLBfDPFW q6Wju3Iw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tOU6A-00000003qAf-2DqF; Fri, 20 Dec 2024 03:54:46 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tOU68-00000003q7H-1jmZ for linux-nvme@lists.infradead.org; Fri, 20 Dec 2024 03:54:45 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id F01155C6AD7; Fri, 20 Dec 2024 03:54:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6BFCC4CED7; Fri, 20 Dec 2024 03:54:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734666883; bh=Tq5lne9E79bYedkcTiQtblQgzJZr02APslo5sZaYcwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o6Kb5F2tQNVNinwbOY9YB177gkPDJ2H8hfo4azdx8MRNgL2s/0BNRUNMjoWzJXtiM rRjNgJF14U+dg+PWQ+dG0rDLXGLGX67egqEngOKPnDPdyFbEDOMpa51gS/bItb74r+ Xhsg+YD1rLXzE+HDZPalMkjVP3rE34Kasf5RhIAsQQjLExSKQ3Yk5MKNsz2/aLmaeX FZlNDOv8VhEVU8CUC29qhPFpCSOcjvJ6utYpoE24J4bNbUrkh2sxrh+Ma5kc0iIjcY wTfzUqn+WyX/eQ6VZxEWDMSF8eI3QorcBuwJXcZI+C3YQOCHChYMdbNbEyL5vM70+m p4wOMFC98DwJg== From: Damien Le Moal To: linux-nvme@lists.infradead.org, Christoph Hellwig , Keith Busch , Sagi Grimberg , linux-pci@vger.kernel.org, Manivannan Sadhasivam , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Kishon Vijay Abraham I , Bjorn Helgaas , Lorenzo Pieralisi Cc: Rick Wertenbroek , Niklas Cassel Subject: [PATCH v6 12/18] nvmet: Introduce get/set_feature controller operations Date: Fri, 20 Dec 2024 12:54:35 +0900 Message-ID: <20241220035441.600193-13-dlemoal@kernel.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241220035441.600193-1-dlemoal@kernel.org> References: <20241220035441.600193-1-dlemoal@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241219_195444_504151_6D5EF4A5 X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org The implementation of some features cannot always be done generically by the target core code. Arbitraion and IRQ coalescing features are examples of such features: their implementation must be provided (at least partially) by the target controller driver. Introduce the set_feature() and get_feature() controller fabrics operations (in struct nvmet_fabrics_ops) to allow supporting such features. Signed-off-by: Damien Le Moal Reviewed-by: Christoph Hellwig Tested-by: Rick Wertenbroek --- drivers/nvme/target/nvmet.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 86bb2852a63b..8325de3382ee 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -416,6 +416,10 @@ struct nvmet_fabrics_ops { u16 (*create_cq)(struct nvmet_ctrl *ctrl, u16 cqid, u16 flags, u16 qsize, u64 prp1, u16 irq_vector); u16 (*delete_cq)(struct nvmet_ctrl *ctrl, u16 cqid); + u16 (*set_feature)(const struct nvmet_ctrl *ctrl, u8 feat, + void *feat_data); + u16 (*get_feature)(const struct nvmet_ctrl *ctrl, u8 feat, + void *feat_data); }; #define NVMET_MAX_INLINE_BIOVEC 8 -- 2.47.1