From: "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>,
"Dave Carroll" <David.Carroll@microsemi.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
"Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
Subject: [PATCH review for 4.9 32/50] scsi: aacraid: Process Error for response I/O
Date: Sat, 7 Oct 2017 22:36:53 +0000 [thread overview]
Message-ID: <20171007223636.24797-32-alexander.levin@verizon.com> (raw)
In-Reply-To: <20171007223636.24797-1-alexander.levin@verizon.com>
From: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
[ Upstream commit 4ec57fb4edaec523f0f78a0449a3b063749ac58b ]
Make sure that the driver processes error conditions even in the fast
response path for response from the adapter.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Dave Carroll <David.Carroll@microsemi.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---
drivers/scsi/aacraid/aachba.c | 289 ++++++++++++++++++++++--------------------
1 file changed, 151 insertions(+), 138 deletions(-)
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 6678d1fd897b..065f11a1964d 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -2954,16 +2954,11 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
return;
BUG_ON(fibptr == NULL);
- dev = fibptr->dev;
-
- scsi_dma_unmap(scsicmd);
- /* expose physical device if expose_physicald flag is on */
- if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
- && expose_physicals > 0)
- aac_expose_phy_device(scsicmd);
+ dev = fibptr->dev;
srbreply = (struct aac_srb_reply *) fib_data(fibptr);
+
scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
@@ -2976,158 +2971,176 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
*/
scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
- le32_to_cpu(srbreply->data_xfer_length));
- /*
- * First check the fib status
- */
+ }
- if (le32_to_cpu(srbreply->status) != ST_OK) {
- int len;
- printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
- len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
- SCSI_SENSE_BUFFERSIZE);
- scsicmd->result = DID_ERROR << 16
- | COMMAND_COMPLETE << 8
- | SAM_STAT_CHECK_CONDITION;
- memcpy(scsicmd->sense_buffer,
- srbreply->sense_data, len);
- }
+ scsi_dma_unmap(scsicmd);
- /*
- * Next check the srb status
- */
- switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
- case SRB_STATUS_ERROR_RECOVERY:
- case SRB_STATUS_PENDING:
- case SRB_STATUS_SUCCESS:
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
- break;
- case SRB_STATUS_DATA_OVERRUN:
- switch (scsicmd->cmnd[0]) {
- case READ_6:
- case WRITE_6:
- case READ_10:
- case WRITE_10:
- case READ_12:
- case WRITE_12:
- case READ_16:
- case WRITE_16:
- if (le32_to_cpu(srbreply->data_xfer_length)
- < scsicmd->underflow)
- printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
- else
- printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
- scsicmd->result = DID_ERROR << 16
- | COMMAND_COMPLETE << 8;
- break;
- case INQUIRY: {
- scsicmd->result = DID_OK << 16
- | COMMAND_COMPLETE << 8;
- break;
- }
- default:
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
- break;
- }
- break;
- case SRB_STATUS_ABORTED:
- scsicmd->result = DID_ABORT << 16 | ABORT << 8;
- break;
- case SRB_STATUS_ABORT_FAILED:
- /*
- * Not sure about this one - but assuming the
- * hba was trying to abort for some reason
- */
- scsicmd->result = DID_ERROR << 16 | ABORT << 8;
- break;
- case SRB_STATUS_PARITY_ERROR:
- scsicmd->result = DID_PARITY << 16
- | MSG_PARITY_ERROR << 8;
- break;
- case SRB_STATUS_NO_DEVICE:
- case SRB_STATUS_INVALID_PATH_ID:
- case SRB_STATUS_INVALID_TARGET_ID:
- case SRB_STATUS_INVALID_LUN:
- case SRB_STATUS_SELECTION_TIMEOUT:
- scsicmd->result = DID_NO_CONNECT << 16
- | COMMAND_COMPLETE << 8;
- break;
+ /* expose physical device if expose_physicald flag is on */
+ if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
+ && expose_physicals > 0)
+ aac_expose_phy_device(scsicmd);
- case SRB_STATUS_COMMAND_TIMEOUT:
- case SRB_STATUS_TIMEOUT:
- scsicmd->result = DID_TIME_OUT << 16
- | COMMAND_COMPLETE << 8;
- break;
+ /*
+ * First check the fib status
+ */
- case SRB_STATUS_BUSY:
- scsicmd->result = DID_BUS_BUSY << 16
- | COMMAND_COMPLETE << 8;
- break;
+ if (le32_to_cpu(srbreply->status) != ST_OK) {
+ int len;
- case SRB_STATUS_BUS_RESET:
- scsicmd->result = DID_RESET << 16
- | COMMAND_COMPLETE << 8;
- break;
+ pr_warn("aac_srb_callback: srb failed, status = %d\n",
+ le32_to_cpu(srbreply->status));
+ len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
+ SCSI_SENSE_BUFFERSIZE);
+ scsicmd->result = DID_ERROR << 16
+ | COMMAND_COMPLETE << 8
+ | SAM_STAT_CHECK_CONDITION;
+ memcpy(scsicmd->sense_buffer,
+ srbreply->sense_data, len);
+ }
- case SRB_STATUS_MESSAGE_REJECTED:
+ /*
+ * Next check the srb status
+ */
+ switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
+ case SRB_STATUS_ERROR_RECOVERY:
+ case SRB_STATUS_PENDING:
+ case SRB_STATUS_SUCCESS:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ break;
+ case SRB_STATUS_DATA_OVERRUN:
+ switch (scsicmd->cmnd[0]) {
+ case READ_6:
+ case WRITE_6:
+ case READ_10:
+ case WRITE_10:
+ case READ_12:
+ case WRITE_12:
+ case READ_16:
+ case WRITE_16:
+ if (le32_to_cpu(srbreply->data_xfer_length)
+ < scsicmd->underflow)
+ pr_warn("aacraid: SCSI CMD underflow\n");
+ else
+ pr_warn("aacraid: SCSI CMD Data Overrun\n");
scsicmd->result = DID_ERROR << 16
- | MESSAGE_REJECT << 8;
+ | COMMAND_COMPLETE << 8;
+ break;
+ case INQUIRY:
+ scsicmd->result = DID_OK << 16
+ | COMMAND_COMPLETE << 8;
break;
- case SRB_STATUS_REQUEST_FLUSHED:
- case SRB_STATUS_ERROR:
- case SRB_STATUS_INVALID_REQUEST:
- case SRB_STATUS_REQUEST_SENSE_FAILED:
- case SRB_STATUS_NO_HBA:
- case SRB_STATUS_UNEXPECTED_BUS_FREE:
- case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
- case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
- case SRB_STATUS_DELAYED_RETRY:
- case SRB_STATUS_BAD_FUNCTION:
- case SRB_STATUS_NOT_STARTED:
- case SRB_STATUS_NOT_IN_USE:
- case SRB_STATUS_FORCE_ABORT:
- case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
default:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ break;
+ }
+ break;
+ case SRB_STATUS_ABORTED:
+ scsicmd->result = DID_ABORT << 16 | ABORT << 8;
+ break;
+ case SRB_STATUS_ABORT_FAILED:
+ /*
+ * Not sure about this one - but assuming the
+ * hba was trying to abort for some reason
+ */
+ scsicmd->result = DID_ERROR << 16 | ABORT << 8;
+ break;
+ case SRB_STATUS_PARITY_ERROR:
+ scsicmd->result = DID_PARITY << 16
+ | MSG_PARITY_ERROR << 8;
+ break;
+ case SRB_STATUS_NO_DEVICE:
+ case SRB_STATUS_INVALID_PATH_ID:
+ case SRB_STATUS_INVALID_TARGET_ID:
+ case SRB_STATUS_INVALID_LUN:
+ case SRB_STATUS_SELECTION_TIMEOUT:
+ scsicmd->result = DID_NO_CONNECT << 16
+ | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_COMMAND_TIMEOUT:
+ case SRB_STATUS_TIMEOUT:
+ scsicmd->result = DID_TIME_OUT << 16
+ | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_BUSY:
+ scsicmd->result = DID_BUS_BUSY << 16
+ | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_BUS_RESET:
+ scsicmd->result = DID_RESET << 16
+ | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_MESSAGE_REJECTED:
+ scsicmd->result = DID_ERROR << 16
+ | MESSAGE_REJECT << 8;
+ break;
+ case SRB_STATUS_REQUEST_FLUSHED:
+ case SRB_STATUS_ERROR:
+ case SRB_STATUS_INVALID_REQUEST:
+ case SRB_STATUS_REQUEST_SENSE_FAILED:
+ case SRB_STATUS_NO_HBA:
+ case SRB_STATUS_UNEXPECTED_BUS_FREE:
+ case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
+ case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
+ case SRB_STATUS_DELAYED_RETRY:
+ case SRB_STATUS_BAD_FUNCTION:
+ case SRB_STATUS_NOT_STARTED:
+ case SRB_STATUS_NOT_IN_USE:
+ case SRB_STATUS_FORCE_ABORT:
+ case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
+ default:
#ifdef AAC_DETAILED_STATUS_INFO
- printk(KERN_INFO "aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
- le32_to_cpu(srbreply->srb_status) & 0x3F,
- aac_get_status_string(
- le32_to_cpu(srbreply->srb_status) & 0x3F),
- scsicmd->cmnd[0],
- le32_to_cpu(srbreply->scsi_status));
+ pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
+ le32_to_cpu(srbreply->srb_status) & 0x3F,
+ aac_get_status_string(
+ le32_to_cpu(srbreply->srb_status) & 0x3F),
+ scsicmd->cmnd[0],
+ le32_to_cpu(srbreply->scsi_status));
#endif
- if ((scsicmd->cmnd[0] == ATA_12)
- || (scsicmd->cmnd[0] == ATA_16)) {
- if (scsicmd->cmnd[2] & (0x01 << 5)) {
- scsicmd->result = DID_OK << 16
- | COMMAND_COMPLETE << 8;
- break;
- } else {
- scsicmd->result = DID_ERROR << 16
- | COMMAND_COMPLETE << 8;
- break;
- }
+ /*
+ * When the CC bit is SET by the host in ATA pass thru CDB,
+ * driver is supposed to return DID_OK
+ *
+ * When the CC bit is RESET by the host, driver should
+ * return DID_ERROR
+ */
+ if ((scsicmd->cmnd[0] == ATA_12)
+ || (scsicmd->cmnd[0] == ATA_16)) {
+
+ if (scsicmd->cmnd[2] & (0x01 << 5)) {
+ scsicmd->result = DID_OK << 16
+ | COMMAND_COMPLETE << 8;
+ break;
} else {
scsicmd->result = DID_ERROR << 16
| COMMAND_COMPLETE << 8;
- break;
+ break;
}
+ } else {
+ scsicmd->result = DID_ERROR << 16
+ | COMMAND_COMPLETE << 8;
+ break;
}
- if (le32_to_cpu(srbreply->scsi_status)
- == SAM_STAT_CHECK_CONDITION) {
- int len;
+ }
+ if (le32_to_cpu(srbreply->scsi_status)
+ == SAM_STAT_CHECK_CONDITION) {
+ int len;
- scsicmd->result |= SAM_STAT_CHECK_CONDITION;
- len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
- SCSI_SENSE_BUFFERSIZE);
+ scsicmd->result |= SAM_STAT_CHECK_CONDITION;
+ len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
+ SCSI_SENSE_BUFFERSIZE);
#ifdef AAC_DETAILED_STATUS_INFO
- printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
- le32_to_cpu(srbreply->status), len);
+ pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
+ le32_to_cpu(srbreply->status), len);
#endif
- memcpy(scsicmd->sense_buffer,
- srbreply->sense_data, len);
- }
+ memcpy(scsicmd->sense_buffer,
+ srbreply->sense_data, len);
}
+
/*
* OR in the scsi status (already shifted up a bit)
*/
--
2.11.0
next prev parent reply other threads:[~2017-10-07 22:38 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-07 22:36 [PATCH review for 4.9 01/50] cpufreq: Do not clear real_cpus mask on policy init Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 03/50] staging: fsl-mc: Add missing header Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 02/50] crypto: ccp - Set the AES size field for all modes Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 05/50] PM / wakeirq: report a wakeup_event on dedicated wekup irq Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 06/50] scsi: megaraid_sas: Do not set fp_possible if TM capable for non-RW syspdIO, change fp_possible to bool Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 07/50] mmc: s3cmci: include linux/interrupt.h for tasklet_struct Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 04/50] IB/mlx5: Assign DSCP for R-RoCE QPs Address Path Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 11/50] staging: rtl8712u: Fix endian settings for structs describing network packets Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 09/50] mfd: axp20x: Fix axp288 PEK_DBR and PEK_DBF irqs being swapped Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 10/50] bnxt_en: Added PCI IDs for BCM57452 and BCM57454 ASICs Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 08/50] mfd: ab8500-sysctrl: Handle probe deferral Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 12/50] PCI/MSI: Return failure when msix_setup_entries() fails Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 13/50] net: mvneta: fix build errors when linux/phy*.h is removed from net/dsa.h Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 14/50] ext4: fix stripe-unaligned allocations Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 15/50] ext4: do not use stripe_width if it is not set Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 16/50] net/ena: change driver's default timeouts Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 17/50] i2c: riic: correctly finish transfers Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 19/50] perf tools: Only increase index if perf_evsel__new_idx() succeeds Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 18/50] drm/amdgpu: when dpm disabled, also need to stop/start vce Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 20/50] iwlwifi: mvm: use the PROBE_RESP_QUEUE to send deauth to unknown station Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 22/50] clocksource/drivers/arm_arch_timer: Add dt binding for hisilicon-161010101 erratum Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 23/50] net: phy: dp83867: Recover from "port mirroring" N/A MODE4 Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 21/50] drm/fsl-dcu: check for clk_prepare_enable() error Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 28/50] mtd: nand: sunxi: Fix the non-polling case in sunxi_nfc_wait_events() Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 27/50] drm/msm/dsi: Set msm_dsi->encoders before initializing bridge Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 24/50] [media] cx231xx: Fix I2C on Internal Master 3 Bus Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 25/50] ath10k: fix reading sram contents for QCA4019 Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 26/50] clk: sunxi-ng: Check kzalloc() for errors and cleanup error path Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 31/50] xen/manage: correct return value check on xenbus_scanf() Levin, Alexander (Sasha Levin)
2017-10-10 12:49 ` Boris Ostrovsky
2017-10-24 1:39 ` Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` Levin, Alexander (Sasha Levin) [this message]
2017-10-07 22:36 ` [PATCH review for 4.9 29/50] dmaengine: sun6i: allow build on ARM64 platforms (sun50i) Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 30/50] gpio: mcp23s08: Select REGMAP/REGMAP_I2C to fix build error Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 36/50] staging: lustre: ptlrpc: skip lock if export failed Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 34/50] staging: lustre: llite: don't invoke direct_IO for the EOF case Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 35/50] staging: lustre: hsm: stack overrun in hai_dump_data_field Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 33/50] platform/x86: intel_mid_thermal: Fix module autoload Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 39/50] ASoC: omap-mcbsp: Add PM QoS support for McBSP to prevent glitches Levin, Alexander (Sasha Levin)
2017-10-09 8:36 ` Mark Brown
2017-10-24 2:12 ` Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 37/50] staging: lustre: lmv: Error not handled for lmv_find_target Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 38/50] brcmfmac: check brcmf_bus_get_memdump result for error Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 40/50] vfs: open() with O_CREAT should not create inodes with unknown ids Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 42/50] [media] exynos4-is: fimc-is: Unmap region obtained by of_iomap() Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 43/50] mei: return error on notification request to a disconnected client Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 44/50] s390/dasd: check for device error pointer within state change interrupts Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 41/50] ASoC: Intel: boards: remove .pm_ops in all Atom/DPCM machine drivers Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 46/50] s390/crypto: Extend key length check for AES-XTS in fips mode Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 45/50] s390/prng: Adjust generation of entropy to produce real 256 bits Levin, Alexander (Sasha Levin)
2017-10-07 22:36 ` [PATCH review for 4.9 47/50] [media] bt8xx: fix memory leak Levin, Alexander (Sasha Levin)
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