From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 61A5D28505E; Thu, 16 Jul 2026 14:14:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784211276; cv=none; b=e7+JmX6+Q8TCgdg8icWp6XUvD8/VQHQMD/Z15/JNuSmHNr8u+DWmxW+5I2Pqcj4X3M4SVXttoIePyu3sdvqV1r/dgi6VE8ApJHxcNZhMeSVC+yShPNPIePR1vO8lbVjLnJkY9MuPnZX2BD98TyTIqjTQEgN8wUdW9EvQNDYmaK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784211276; c=relaxed/simple; bh=viu8+gt9DJ5oaalC2qpundP2NGv3+75BQYv15u4CDdg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DmYWQtLTWYYFX0XdqoWLF9tRDUEimd/0UBK+rB0Jt26ekE9uM2FrFPaD1kl+g8fUM9l7ul4s6Jz9dpfAuRSw2GM9Xkix9CQxNUw1mw7jr8Z4ZHM0FXu/DbBojmlDOYSU8sxPgcyIZRaNrOhdtaiGlwxtJ8RVqBhQTJNq9X3DMAg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DbcHnGXY; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DbcHnGXY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C66381F000E9; Thu, 16 Jul 2026 14:14:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784211275; bh=MLK5triibmTh46L1Dm48xTJUE6pqzM+S+ZqdQqdALlE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=DbcHnGXYWftR/3Npe0xvKvBEnh+yEepB7tCZFdKqH9cIMyMHHiGMKzCVhBjxElZvx CyDhNKMDoRDi/aTLBf0QJ4uWBHNJ0JmuCNK4TKyol993E+I3CvJsXNYelSJx+y1SaK O8M+y9CZPLrNdjmM2mPPIIldzGuAwtwzaKH8sGJc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ahsan Atta , Giovanni Cabiddu , Damian Muszynski , Herbert Xu Subject: [PATCH 6.18 364/480] crypto: qat - handle sysfs-triggered reset callbacks Date: Thu, 16 Jul 2026 15:31:51 +0200 Message-ID: <20260716133052.676487013@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260716133044.672218725@linuxfoundation.org> References: <20260716133044.672218725@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ahsan Atta commit 4627ef7019bc532f992c0723e881811ce12f0a02 upstream. A reset requested through /sys/bus/pci/devices/.../reset invokes the driver reset_prepare() and reset_done() callbacks. The QAT driver does not implement those callbacks today, so the reset proceeds without quiescing the device or bringing it back up afterward, which leaves the device unusable. Hook reset_prepare() and reset_done() into adf_err_handler so the common shutdown and recovery flow also runs for reset. Skip device quiesce if the device is already in a down state. Cc: stable@vger.kernel.org Signed-off-by: Ahsan Atta Reviewed-by: Giovanni Cabiddu Reviewed-by: Damian Muszynski Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/intel/qat/qat_common/adf_aer.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/drivers/crypto/intel/qat/qat_common/adf_aer.c +++ b/drivers/crypto/intel/qat/qat_common/adf_aer.c @@ -222,10 +222,22 @@ static void adf_resume(struct pci_dev *p dev_info(&pdev->dev, "Device is up and running\n"); } +static void adf_reset_prepare(struct pci_dev *pdev) +{ + reset_prepare(pdev); +} + +static void adf_reset_done(struct pci_dev *pdev) +{ + reset_done(pdev); +} + const struct pci_error_handlers adf_err_handler = { .error_detected = adf_error_detected, .slot_reset = adf_slot_reset, .resume = adf_resume, + .reset_prepare = adf_reset_prepare, + .reset_done = adf_reset_done, }; EXPORT_SYMBOL_GPL(adf_err_handler);