From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8C1CD131BA4; Sun, 24 Mar 2024 23:44:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711323854; cv=none; b=ItNmB7fOLIxi21z6KfpdzgLM2XRlvzobB1dd8FwDvYWCUsU8SUei3fkgtm4j6wTanekJwdsQBSM9sBLUo6Nk5Twd9P5fI5qXuLuVh8fwHuXKVAKSjIMg1VEZmfZNgoarY/M07qLMFLcx3SknT5heLWUr0UlKFZ1lT9GW96noPG8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711323854; c=relaxed/simple; bh=8GM9iolHN0LIvjEWlW1XLRXNO4rpaQwrac+AxJ6OrMo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bdYnaLk4hE7hpeOBiTqf/NqVFbU9DUminKR6QFA1Z/G4ncfkzoe4Yul8xpHcGQ9IhVd6rXxw2MiUwpUANiIydPakN9RU04HFcFJjhCgONOrq5dtwP51W2qp1Lb90HSOAzeVG64pzvUMvk9rnRlUT23QzHABNu+vACkIcBIAqmYE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tyU9Zl7A; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tyU9Zl7A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B1A7C43399; Sun, 24 Mar 2024 23:44:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711323853; bh=8GM9iolHN0LIvjEWlW1XLRXNO4rpaQwrac+AxJ6OrMo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tyU9Zl7Azsm9xbrm0M1ZiItRHRwiM1/7lPtCbwzkn2rV+0RgLRrrylsx/KzLxy+H4 jqK7lhrxvevGZ+0hlKUq4B507K0oyC6oVswu9mfOyQw+NB0wCeow/MAh3euq5nHoBj BrixVVQ+/L25lg2a/+3DdnN2/eaXd1e5oSkApvBgB/lQihhLNuqTgwCIFjgfd4BdtP 0ViRAs4boe3EsiRlR4RN/y/xrnZTNvDMtfskag6FKKAcbTGUK8nnk1CZFJj8htoWT2 NbPPoASyC2LEvp0fe8zve49QjhetJ0pmkhLP2ah+FPJmOcotMXh8NLlv42V8k/Uy01 yOnaPQ0CWKRtw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Shyam Sundar , James Smart , Himanshu Madhani , Nilesh Javali , "Martin K . Petersen" , Sasha Levin Subject: [PATCH 5.10 231/238] scsi: fc: Update formal FPIN descriptor definitions Date: Sun, 24 Mar 2024 19:40:19 -0400 Message-ID: <20240324234027.1354210-232-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324234027.1354210-1-sashal@kernel.org> References: <20240324234027.1354210-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Shyam Sundar [ Upstream commit 874163aab75a6cd7422e71f1fbc6db12977fcf1d ] Add Fabric Performance Impact Notification (FPIN) descriptor definitions for the following FPINs: - Delivery Notification Descriptor - Peer Congestion Notification Descriptor - Congestion Notification Descriptor Link: https://lore.kernel.org/r/20201021092715.22669-2-njavali@marvell.com Reviewed-by: James Smart Reviewed-by: Himanshu Madhani Signed-off-by: Shyam Sundar Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen Stable-dep-of: 4a0e7f2decbf ("netfilter: nf_tables: do not compare internal table flags on updates") Signed-off-by: Sasha Levin --- include/uapi/scsi/fc/fc_els.h | 114 +++++++++++++++++++++++++++++++++- 1 file changed, 113 insertions(+), 1 deletion(-) diff --git a/include/uapi/scsi/fc/fc_els.h b/include/uapi/scsi/fc/fc_els.h index 8c704e510e398..91d4be9872203 100644 --- a/include/uapi/scsi/fc/fc_els.h +++ b/include/uapi/scsi/fc/fc_els.h @@ -916,7 +916,9 @@ enum fc_els_clid_ic { ELS_CLID_IC_LIP = 8, /* receiving LIP */ }; - +/* + * Link Integrity event types + */ enum fc_fpin_li_event_types { FPIN_LI_UNKNOWN = 0x0, FPIN_LI_LINK_FAILURE = 0x1, @@ -943,6 +945,54 @@ enum fc_fpin_li_event_types { { FPIN_LI_DEVICE_SPEC, "Device Specific" }, \ } +/* + * Delivery event types + */ +enum fc_fpin_deli_event_types { + FPIN_DELI_UNKNOWN = 0x0, + FPIN_DELI_TIMEOUT = 0x1, + FPIN_DELI_UNABLE_TO_ROUTE = 0x2, + FPIN_DELI_DEVICE_SPEC = 0xF, +}; + +/* + * Initializer useful for decoding table. + * Please keep this in sync with the above definitions. + */ +#define FC_FPIN_DELI_EVT_TYPES_INIT { \ + { FPIN_DELI_UNKNOWN, "Unknown" }, \ + { FPIN_DELI_TIMEOUT, "Timeout" }, \ + { FPIN_DELI_UNABLE_TO_ROUTE, "Unable to Route" }, \ + { FPIN_DELI_DEVICE_SPEC, "Device Specific" }, \ +} + +/* + * Congestion event types + */ +enum fc_fpin_congn_event_types { + FPIN_CONGN_CLEAR = 0x0, + FPIN_CONGN_LOST_CREDIT = 0x1, + FPIN_CONGN_CREDIT_STALL = 0x2, + FPIN_CONGN_OVERSUBSCRIPTION = 0x3, + FPIN_CONGN_DEVICE_SPEC = 0xF, +}; + +/* + * Initializer useful for decoding table. + * Please keep this in sync with the above definitions. + */ +#define FC_FPIN_CONGN_EVT_TYPES_INIT { \ + { FPIN_CONGN_CLEAR, "Clear" }, \ + { FPIN_CONGN_LOST_CREDIT, "Lost Credit" }, \ + { FPIN_CONGN_CREDIT_STALL, "Credit Stall" }, \ + { FPIN_CONGN_OVERSUBSCRIPTION, "Oversubscription" }, \ + { FPIN_CONGN_DEVICE_SPEC, "Device Specific" }, \ +} + +enum fc_fpin_congn_severity_types { + FPIN_CONGN_SEVERITY_WARNING = 0xF1, + FPIN_CONGN_SEVERITY_ERROR = 0xF7, +}; /* * Link Integrity Notification Descriptor @@ -974,6 +1024,68 @@ struct fc_fn_li_desc { */ }; +/* + * Delivery Notification Descriptor + */ +struct fc_fn_deli_desc { + __be32 desc_tag; /* Descriptor Tag (0x00020002) */ + __be32 desc_len; /* Length of Descriptor (in bytes). + * Size of descriptor excluding + * desc_tag and desc_len fields. + */ + __be64 detecting_wwpn; /* Port Name that detected event */ + __be64 attached_wwpn; /* Port Name of device attached to + * detecting Port Name + */ + __be32 deli_reason_code;/* see enum fc_fpin_deli_event_types */ +}; + +/* + * Peer Congestion Notification Descriptor + */ +struct fc_fn_peer_congn_desc { + __be32 desc_tag; /* Descriptor Tag (0x00020003) */ + __be32 desc_len; /* Length of Descriptor (in bytes). + * Size of descriptor excluding + * desc_tag and desc_len fields. + */ + __be64 detecting_wwpn; /* Port Name that detected event */ + __be64 attached_wwpn; /* Port Name of device attached to + * detecting Port Name + */ + __be16 event_type; /* see enum fc_fpin_congn_event_types */ + __be16 event_modifier; /* Implementation specific value + * describing the event type + */ + __be32 event_period; /* duration (ms) of the detected + * congestion event + */ + __be32 pname_count; /* number of portname_list elements */ + __be64 pname_list[0]; /* list of N_Port_Names accessible + * through the attached port + */ +}; + +/* + * Congestion Notification Descriptor + */ +struct fc_fn_congn_desc { + __be32 desc_tag; /* Descriptor Tag (0x00020004) */ + __be32 desc_len; /* Length of Descriptor (in bytes). + * Size of descriptor excluding + * desc_tag and desc_len fields. + */ + __be16 event_type; /* see enum fc_fpin_congn_event_types */ + __be16 event_modifier; /* Implementation specific value + * describing the event type + */ + __be32 event_period; /* duration (ms) of the detected + * congestion event + */ + __u8 severity; /* command */ + __u8 resv[3]; /* reserved - must be zero */ +}; + /* * ELS_FPIN - Fabric Performance Impact Notification */ -- 2.43.0