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[144.49.247.101]) by smtp-relay.gmail.com with ESMTPS id e9e14a558f8ab-434833e96f6sm1804775ab.13.2025.11.13.07.43.07 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Nov 2025 07:43:07 -0800 (PST) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-297ddb3c707so9389445ad.2 for ; Thu, 13 Nov 2025 07:43:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1763048586; x=1763653386; 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=w3CWJatP1IbEURWFjuJMF/K/HFeh4GgCDEn+YLBRQvI=; b=Y4evUJwWY2ayd3/68qk++POUPy/kLiLrViYlMtJlrlKBN3/fA86CLXJNoSkGTw03qs De4JRp9HtvaGzmq6sKs29OJiF81wFp6cgH3YdUCJWNjZkQZ3U7WfQvLqhsgVFtZviJXd Eqbm3UfWCJt+mkngcVyXIbI0fYiaoi2sFX2iQ= X-Received: by 2002:a17:902:f684:b0:295:8da4:6404 with SMTP id d9443c01a7336-2984eddda7bmr92486755ad.40.1763048585634; Thu, 13 Nov 2025 07:43:05 -0800 (PST) X-Received: by 2002:a17:902:f684:b0:295:8da4:6404 with SMTP id d9443c01a7336-2984eddda7bmr92486445ad.40.1763048585039; Thu, 13 Nov 2025 07:43:05 -0800 (PST) Received: from localhost.localdomain ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2985c2cca66sm29100085ad.99.2025.11.13.07.43.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Nov 2025 07:43:04 -0800 (PST) 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 v2 0/6] mpt3sas: Improve device readiness handling and event recovery Date: Thu, 13 Nov 2025 21:07:04 +0530 Message-ID: <20251113153712.31850-1-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. Change since v1: - Fixed test robot build warnings - Fixed W=1 compilation warnings Ranjan Kumar (6): 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 mpt3sas: Fixed the W=1 compilation warning drivers/scsi/mpt3sas/mpt3sas_base.c | 14 +- drivers/scsi/mpt3sas/mpt3sas_base.h | 4 + drivers/scsi/mpt3sas/mpt3sas_scsih.c | 1458 ++++++++++++++++++++++++-- 3 files changed, 1376 insertions(+), 100 deletions(-) -- 2.47.3