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[144.49.247.117]) by smtp-relay.gmail.com with ESMTPS id 98e67ed59e1d1-34028fd2197sm181600a91.0.2025.10.29.11.17.00 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Oct 2025 11:17:00 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pg1-f197.google.com with SMTP id 41be03b00d2f7-b5edecdf94eso120444a12.2 for ; Wed, 29 Oct 2025 11:16:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1761761818; x=1762366618; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=xyGgq/r+aDPnBVe7k8CwapG3DKnUYOYn4VkxR9lDhsA=; b=hOkzUOfxtegjq4G2Q4+qeCYuYZcyUWInOcqj+El/N9hTSCPQycoW+/pSIbMW8YcVTD asUZmTo/XZer5dujLkLLnOwHPUY0k+0gVVTvhGysWUcrDtJjIEB+ym6QxMQBtv4+KaLZ +c+ZFHOgRmmmEN7gqwDWWmqwQvtnQuWOzPh78= X-Received: by 2002:a17:903:2a86:b0:288:e46d:b32b with SMTP id d9443c01a7336-294dee2ed04mr47628025ad.17.1761761818164; Wed, 29 Oct 2025 11:16:58 -0700 (PDT) X-Received: by 2002:a17:903:2a86:b0:288:e46d:b32b with SMTP id d9443c01a7336-294dee2ed04mr47627555ad.17.1761761817529; Wed, 29 Oct 2025 11:16:57 -0700 (PDT) Received: from localhost.localdomain ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29498cf341bsm157284565ad.14.2025.10.29.11.16.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Oct 2025 11:16:56 -0700 (PDT) From: Ranjan Kumar To: linux-scsi@vger.kernel.org, martin.petersen@oracle.com Cc: sathya.prakash@broadcom.com, sumit.saxena@broadcom.com, chandrakanth.patil@broadcom.com, prayas.patel@broadcom.com, Ranjan Kumar Subject: [PATCH v1 0/5] mpt3sas: Improve device readiness handling and event recovery Date: Wed, 29 Oct 2025 23:40:44 +0530 Message-ID: <20251029181058.39157-1-ranjan.kumar@broadcom.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e This patch series enhances the mpt3sas driver’s device bring-up, readiness detection, and event recovery mechanisms to improve robustness in environments with slow-responding or transient SAS/PCIe devices. The series introduces optional control over issuing TEST UNIT READY (TUR) commands during device unblocking, configurable retry limits, and a mechanism to requeue firmware topology events when devices are temporarily busy. Together, these updates reduce discovery failures and improve recovery reliability following firmware or link events. Ranjan Kumar (5): mpt3sas: Added no_turs flag to device unblock logic mpt3sas: Added issue_scsi_cmd_to_bringup_drive module parameter part-1 mpt3sas: improve device discovery and readiness handling for slow devices part-2 mpt3sas: Add firmware event requeue support for busy devices mpt3sas: Add configurable command retry limit for slow-to-respond devices drivers/scsi/mpt3sas/mpt3sas_base.c | 6 +- drivers/scsi/mpt3sas/mpt3sas_base.h | 4 + drivers/scsi/mpt3sas/mpt3sas_scsih.c | 1459 ++++++++++++++++++++++++-- 3 files changed, 1370 insertions(+), 99 deletions(-) -- 2.47.3