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 5C3023EBF0C; Mon, 7 Sep 2026 02:44:18 +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=1788749059; cv=none; b=EExfwvNxvOC+4IFCCCrSf+dOCGcydogrgF8X+7PR8mHYEgjKdvOoJC9jZfNwOPhlGwspPb/s8UOF1gjwjDtc/KR6vy2N47K5MBbjYE9SH8osexwZ6EbfdAALYrZDWE5TlISitzwrbFJHfvQsuIeOHb88Xp+Sa+Ya87kuF1Pdi58= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788749059; c=relaxed/simple; bh=sIMKjJ7dsyTCxJ3imfTKd6WHTdSCosVSuPHPWK5tErY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hj3z9yOnp6guSocEzclTtidbCOqnTU/jXO6NA/0gJ0rDvOfdZwH1VibOJFfng0jpSbqJUEE1+PQHOxTE0WknwxjyVA4yPGkMOdTDd1Fj06oh4DUAOC5dEygpJ2Ah1wLXaNvu6PYsR1TcQTpEkXaT5/Fn+1FLzsCPmjVJNAHQzco= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kprKGBii; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kprKGBii" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0EE91F00A3E; Mon, 7 Sep 2026 02:44:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788749057; bh=h7+bLMSnKQOrXGLcG0qV2AXpoC9KL2kuM6IVbNs/QEI=; h=From:To:Subject:Date:In-Reply-To:References; b=kprKGBiiP2wzC7AVkqwCVVOutW6eDEsM6y4eq0UE/Eyo+9R8gfgqX4ZYrJnbWZlUP d3/b09Iix1YclOVrdM8t/ILBRQw4viHp4GTevwlp0GREKK7HIfjxRvZYRzyT7Gtma/ cFs7gP4sxvMFtk7kOYO38j+RSGz9ilEjd5o8t7XIcTW4GAF6R1Az4/R4Ka9PanG/3J xPkHYVSo4A0HmV7x7Hduz2Q7ImgqO82uYpMyL2BXdonnx/q0+yvadLCFJFDXwJIasd TOhbzWNLZh1cuQYItZ19gL+iLjIhR9KmbC0SlmONTAi+ceWialkcNMT6aPVfH2/F0c Vb6Tk8nO2c2jw== From: Damien Le Moal To: "Martin K . Petersen" , "James E . J . Bottomley" , linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, Niklas Cassel , linux-usb@vger.kernel.org, Alan Stern , Greg Kroah-Hartman , linux-s390@vger.kernel.org, Heiko Carstens Subject: [PATCH v5 14/40] scsi: device_handlers: rdac: use 16-bits defined sense codes Date: Mon, 7 Sep 2026 11:43:17 +0900 Message-ID: <20260907024343.1046387-15-dlemoal@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260907024343.1046387-1-dlemoal@kernel.org> References: <20260907024343.1046387-1-dlemoal@kernel.org> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Refactor the NetApp E-Series RDAC SCSI device handler driver to use the 16-bits sense_code field of struct scsi_sense_hdr and struct scsi_failure and replace all hard-coded additional sense codes and additional sense code qualifiers with the enum values defined in include/scsi/scsi_sense.h. This helps with code clarity as the sense codes being processed are easier to test and self-documented. No functional change intended. Signed-off-by: Damien Le Moal --- drivers/scsi/device_handler/scsi_dh_rdac.c | 45 ++++++++++------------ 1 file changed, 21 insertions(+), 24 deletions(-) diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 75c9cc291e38..742534c99386 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -493,7 +493,8 @@ static int mode_select_handle_sense(struct scsi_device *sdev, RDAC_LOG(RDAC_LOG_FAILOVER, sdev, "array %s, ctlr %d, " "MODE_SELECT returned with sense %02x/%02x/%02x", (char *) h->ctlr->array_name, h->ctlr->index, - sense_hdr->sense_key, sense_hdr->asc, sense_hdr->ascq); + sense_hdr->sense_key, scsi_sense_asc(sense_hdr), + scsi_sense_ascq(sense_hdr)); return SCSI_DH_IO; } @@ -515,34 +516,28 @@ static void send_mode_select(struct work_struct *work) struct scsi_failure failure_defs[] = { { .sense_key = NO_SENSE, - .asc = SCMD_FAILURE_ASC_ANY, - .ascq = SCMD_FAILURE_ASCQ_ANY, + .sense_code = SCMD_FAILURE_SENSE_CODE_ANY, .result = SAM_STAT_CHECK_CONDITION, }, { .sense_key = ABORTED_COMMAND, - .asc = SCMD_FAILURE_ASC_ANY, - .ascq = SCMD_FAILURE_ASCQ_ANY, + .sense_code = SCMD_FAILURE_SENSE_CODE_ANY, .result = SAM_STAT_CHECK_CONDITION, }, { .sense_key = UNIT_ATTENTION, - .asc = SCMD_FAILURE_ASC_ANY, - .ascq = SCMD_FAILURE_ASCQ_ANY, + .sense_code = SCMD_FAILURE_SENSE_CODE_ANY, .result = SAM_STAT_CHECK_CONDITION, }, - /* LUN Not Ready and is in the Process of Becoming Ready */ { .sense_key = NOT_READY, - .asc = 0x04, - .ascq = 0x01, + .sense_code = LU_IS_IN_PROCESS_OF_BECOMING_READY, .result = SAM_STAT_CHECK_CONDITION, }, - /* Command Lock contention */ + /* Command Lock contention (not a standard sense code) */ { .sense_key = ILLEGAL_REQUEST, - .asc = 0x91, - .ascq = 0x36, + .sense_code = scsi_sense_code(0x91, 0x36), .allowed = SCMD_FAILURE_NO_LIMIT, .result = SAM_STAT_CHECK_CONDITION, }, @@ -674,33 +669,34 @@ static enum scsi_disposition rdac_check_sense(struct scsi_device *sdev, { struct rdac_dh_data *h = sdev->handler_data; - RDAC_LOG(RDAC_LOG_SENSE, sdev, "array %s, ctlr %d, " - "I/O returned with sense %02x/%02x/%02x", - (char *) h->ctlr->array_name, h->ctlr->index, - sense_hdr->sense_key, sense_hdr->asc, sense_hdr->ascq); + RDAC_LOG(RDAC_LOG_SENSE, sdev, + "array %s, ctlr %d, I/O returned with sense %02x/%02x/%02x", + (char *) h->ctlr->array_name, h->ctlr->index, + sense_hdr->sense_key, scsi_sense_asc(sense_hdr), + scsi_sense_ascq(sense_hdr)); switch (sense_hdr->sense_key) { case NOT_READY: - if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x01) + if (sense_hdr->sense_code == LU_IS_IN_PROCESS_OF_BECOMING_READY) /* LUN Not Ready - Logical Unit Not Ready and is in * the process of becoming ready * Just retry. */ return ADD_TO_MLQUEUE; - if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x81) + if (sense_hdr->sense_code == scsi_sense_code(0x04, 0x81)) /* LUN Not Ready - Storage firmware incompatible * Manual code synchonisation required. * * Nothing we can do here. Try to bypass the path. */ return SUCCESS; - if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0xA1) + if (sense_hdr->sense_code == scsi_sense_code(0x04, 0xA1)) /* LUN Not Ready - Quiescense in progress * * Just retry and wait. */ return ADD_TO_MLQUEUE; - if (sense_hdr->asc == 0xA1 && sense_hdr->ascq == 0x02) + if (sense_hdr->sense_code == scsi_sense_code(0xA1, 0x02)) /* LUN Not Ready - Quiescense in progress * or has been achieved * Just retry. @@ -708,7 +704,7 @@ static enum scsi_disposition rdac_check_sense(struct scsi_device *sdev, return ADD_TO_MLQUEUE; break; case ILLEGAL_REQUEST: - if (sense_hdr->asc == 0x94 && sense_hdr->ascq == 0x01) { + if (sense_hdr->sense_code == scsi_sense_code(0x94, 0x01)) { /* Invalid Request - Current Logical Unit Ownership. * Controller is not the current owner of the LUN, * Fail the path, so that the other path be used. @@ -718,12 +714,13 @@ static enum scsi_disposition rdac_check_sense(struct scsi_device *sdev, } break; case UNIT_ATTENTION: - if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) + if (sense_hdr->sense_code == + POWER_ON_RESET_OR_BUS_DEVICE_RESET_OCCURRED) /* * Power On, Reset, or Bus Device Reset, just retry. */ return ADD_TO_MLQUEUE; - if (sense_hdr->asc == 0x8b && sense_hdr->ascq == 0x02) + if (sense_hdr->sense_code == scsi_sense_code(0x8b, 0x02)) /* * Quiescence in progress , just retry. */ -- 2.55.0