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 91D8F33EC for ; Tue, 28 Oct 2025 07:34:18 +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=1761636858; cv=none; b=lEjJoFwpHEZbTYy9lG0fSNh6krCiwzIBRSASnvc2VIhxUzVDgOLTcdhdQkDgLjXm8iTapzNFcG40/fwnSOi0KFvlQUY2Gqjwjng6QWSWEoUzioAndWh8jp7GS2bjdv5Wa/8XdNjIR1LLWL1qU5riX4D4lkWG9vfKsHONWe5snVQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761636858; c=relaxed/simple; bh=Y0xIbFtD5JJBJaGOmHeZIh2A74bEzbWs5/nPzmfIbuU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=uTAX0fbzZp/YId8W5glvLzCvv5eAxtfKVxmVFaclhEMOZsxYZrCcyxhMxdIr9YJ4u1ZeGeN3YChivry8SiYPKZnoq4/x4E4/OVvT6hSBsgkPqXYF9ZV6SLO1EeIDwdHShf7vUvJ3xieX8dNRnTPlWkOxtTk1o0hTFeHBXInGfn8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YIeWB7/g; 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="YIeWB7/g" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05C8AC4CEE7; Tue, 28 Oct 2025 07:34:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761636858; bh=Y0xIbFtD5JJBJaGOmHeZIh2A74bEzbWs5/nPzmfIbuU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=YIeWB7/g1Doft4ajsLXHTFfc691dKie8X+DthBzDrtOx0ecmzAAzyh2p62ue39ifQ aZnxGAUik0PjdvUj6awZ17G1XYF3zGEGGq+l5ktYZjHgi6H7AjoCcanUetVmUKtWxD HD5S+PTBPtn2qczKq/arLvc1SP90eHD+f18VvhlqRTlEGVHrNkXWcD9o1h4jkZUV+I TCWtQKoSvpnW6UTwuNTMicgjlaYzMaqjRlrtQUGdYPludR8IwkFEVkyuhdWYGwzoWU Sg3fVRlbU3Mv+h92NQ+/jWiU8gc20tio8lXJGC9gpq3Y65m70zR0piSe6X4vqsNbZ3 UguTVJ/ZyIYyQ== Message-ID: <921bd950-4e62-4140-a015-c41ea7f07989@kernel.org> Date: Tue, 28 Oct 2025 08:34:15 +0100 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 09/11] lpfc: Add capability to register Platform Name ID to fabric To: Justin Tee , linux-scsi@vger.kernel.org Cc: jsmart2021@gmail.com, justin.tee@broadcom.com References: <20251027235446.77200-1-justintee8345@gmail.com> <20251027235446.77200-10-justintee8345@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 28/10/2025 00:54, Justin Tee wrote: > FC-LS and FC-GS specifications outline fields for registering a platform > name identifier (PNI) to the fabric. The PNI assists fabrics with > identifying the physical server source of frames in the fabric. > > lpfc generates a PNI based partially on the uuid specific for the system. > Initial attempts to extract a uuid are made from SMBIOS's System > Information 08h uuid entry. If SMBIOS DMI does not exist, then Open > Firmware Device-Tree's virtual partition uuid property is used. Otherwise, > a PNI is not generated and PNI registration with the fabric is skipped. > > The PNI is submitted in FLOGI and FDISC frames. After successful fabric > login, the RSPNI_PNI CT frame is submitted to the fabric to register the OS > host name tying it to the PNI. > > Signed-off-by: Justin Tee Still does not match From address. > --- > drivers/scsi/lpfc/lpfc.h | 4 ++ > drivers/scsi/lpfc/lpfc_ct.c | 36 +++++++++++++ > drivers/scsi/lpfc/lpfc_els.c | 18 +++++-- > drivers/scsi/lpfc/lpfc_hbadisc.c | 2 + > drivers/scsi/lpfc/lpfc_hw.h | 25 ++++++++- > drivers/scsi/lpfc/lpfc_nportdisc.c | 4 -- > drivers/scsi/lpfc/lpfc_sli.c | 83 ++++++++++++++++++++++++++++++ > 7 files changed, 164 insertions(+), 8 deletions(-) > > diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h > index 8459cf568c12..f892bb2d119a 100644 > --- a/drivers/scsi/lpfc/lpfc.h > +++ b/drivers/scsi/lpfc/lpfc.h > @@ -633,6 +633,7 @@ struct lpfc_vport { > #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ > #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ > #define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */ > +#define FC_CT_RSPNI_PNI 0x40 /* RSPNI_PNI accepted by switch */ > > struct list_head fc_nodes; > spinlock_t fc_nodes_list_lock; /* spinlock for fc_nodes list */ > @@ -1077,6 +1078,9 @@ struct lpfc_hba { > > uint32_t nport_event_cnt; /* timestamp for nlplist entry */ > > + unsigned long pni; /* 64-bit Platform Name Identifier */ > +#define PATH_UUID_IBM "ibm,partition-uuid" Where did you document the ABI? Best regards, Krzysztof