From patchwork Thu Jun 13 19:00:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sumit Saxena X-Patchwork-Id: 804053 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4FD502F34 for ; Thu, 13 Jun 2024 19:04:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718305461; cv=none; b=qxYA3PV3tYDPhqtcgT57NS0adtAuqNpZ3Tui1svuAxIZ8OAm7iDpFp0W2cAj+erTKnynBruU6YnWcsdzBHuPZ5bVa9MjTfcRihRvCR5hNYJDNVQKfcXX/57RtmKB8n+vON/163n9OZU/CODfzhjC62mpd8Mg+sswynBbdet9ChM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718305461; c=relaxed/simple; bh=Fh9BrsjaDY7VJTCyr120+EEUN38qEawzukzNmRJA6pE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=J6hyVCq1cfUw2oQUdclfz2rG6wj167ypCEpVDA9xSiNyjhQxVQYeNznWu4YMTKmIVyxD/YvDQ24SeMtPpYwXbP25+Fr8VHgQ1ZqBXsNYOoxG4N8UiW8jiaMjKkFQkVvn5jF0AnOGvpI6/Tns4QrunR7J5yho88CDDuqlyONhL8M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=LzC0yl4M; arc=none smtp.client-ip=209.85.214.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="LzC0yl4M" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-1f47f07aceaso12892275ad.0 for ; Thu, 13 Jun 2024 12:04:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1718305459; x=1718910259; darn=vger.kernel.org; h=mime-version:message-id:date:subject:cc:to:from:from:to:cc:subject :date:message-id:reply-to; bh=O2ZdWTnf0OswqH9uPRG2b+YsWlbmVw6uMXMLvy1w5ZU=; b=LzC0yl4MYbr7BqrIRtz1/QUDZwm+0yAuCMS/9nNGDjRt4R6edV7C/C7YzRVW3A5VXZ GRhR7mVNbKaa4XIxPTW0s7pqfm6A602n7mIuXHL7a1s7Y989lx7jncwZaATjl7Fq+mwQ e3SvWc4kOK6VYWDJTkOo0NdolZidhpT3jsMeA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718305459; x=1718910259; h=mime-version:message-id:date:subject:cc:to:from:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=O2ZdWTnf0OswqH9uPRG2b+YsWlbmVw6uMXMLvy1w5ZU=; b=VJU2ogW6GvDby18jgAnbp2+y8sIulvDQZ3QhRl3QMapLJVz70F47NSKanOsrlLE/9w tJJ5awqr2oPTs+bOtmENgt6ukc5NZnH/4B24eJLtmRdmp5gJLzWttqNMl1WMyxMfrO0e X3sF0sFsBXnidJgCzs9+vtLCBOfjbEhMM13VXYQyZPtngnhKIY8o0IiBKoI8irbuDaZo XEFW34mGb0k7ZjMohfGEVSe/A2GMOYdA8PRpnPIausBfLEv9AP/QvQqJs6E1Ae0Zb0aB cvJFRN8BGPn/SLjkHWVYUZo43fcKyATHwKx0dGPM/fFUoeJT3j1+3KGM12EKEDTwI90t vudw== X-Gm-Message-State: AOJu0YxG+14GT5mYlWMsRXXULBSM2SODdRhT4aX/C+0eK7OE7yf4gqIa /+PrgukLKKtwK8RsM1OLfDD1v7ldIdKlWczr2uKGrvQLfOc2mNKXczCATKADhQ== X-Google-Smtp-Source: AGHT+IHEtoRzZlTPotc8Ejz7VmoMGdj/7mK/1Gz9ZsZzaJgYoV0YoXUP9PVjgXvla5HzTMq4GOR/yA== X-Received: by 2002:a17:902:da8b:b0:1f4:8e4a:b774 with SMTP id d9443c01a7336-1f8625d54dbmr5704145ad.1.1718305459425; Thu, 13 Jun 2024 12:04:19 -0700 (PDT) Received: from localhost.localdomain ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f855f16a3esm17366905ad.232.2024.06.13.12.04.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jun 2024 12:04:17 -0700 (PDT) From: Sumit Saxena To: martin.petersen@oracle.com, helgaas@kernel.org, sathya.prakash@broadcom.com, chandrakanth.patil@broadcom.com, ranjan.kumar@broadcom.com, prayas.patel@broadcom.com Cc: linux-scsi@vger.kernel.org, linux-pci@vger.kernel.org, Sumit Saxena Subject: [PATCH v3 0/3] mpi3mr: Support PCIe Error Recovery Date: Fri, 14 Jun 2024 00:30:19 +0530 Message-Id: <20240613190022.4128-1-sumit.saxena@broadcom.com> X-Mailer: git-send-email 2.31.1 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This patch series adds support for PCI error recovery for the controllers managed by mpi3mr driver. The patch series is rework of initial revisions submitted by Ranjan Kumar. The series is based on the Host diagnostic buffer support series: https://lore.kernel.org/linux-scsi/20240605094840.14968-1-ranjan.kumar@broadcom.com/T/#t v1->v2: - AER patch split as suggested by Bjorn Helgaas. - Updated driver version to a new value. v2->v3: - Accomodated the feedback from Bjorn Helgaas. - Simplified and dropped few patches. Sumit Saxena (3): mpi3mr: Support PCIe Error Recovery callback handlers mpi3mr: Prevent PCI writes from driver during PCI error recovery mpi3mr: driver version update drivers/scsi/mpi3mr/mpi3mr.h | 12 +- drivers/scsi/mpi3mr/mpi3mr_app.c | 28 ++- drivers/scsi/mpi3mr/mpi3mr_fw.c | 22 +- drivers/scsi/mpi3mr/mpi3mr_os.c | 270 ++++++++++++++++++++++++- drivers/scsi/mpi3mr/mpi3mr_transport.c | 39 +++- 5 files changed, 343 insertions(+), 28 deletions(-)