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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-13 16:42:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-13 16:42:16 -0700
commita1480a166dd509f25f90e824411cb488fa9fff7e (patch)
treef90633d00164827e002e79b8d26c130c0db25f33 /drivers/ata/libata-core.c
parent45141eeafefdb8998d2ab1f87c2afe0457059b47 (diff)
parentc54c719b558e0eb3ba60b1390aeb47ed25ff4352 (diff)
downloadop-kernel-dev-a1480a166dd509f25f90e824411cb488fa9fff7e.zip
op-kernel-dev-a1480a166dd509f25f90e824411cb488fa9fff7e.tar.gz
Merge branch 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo: - Hannes's patchset implements support for better error reporting introduced by the new ATA command spec. - the deperecated pci_ dma API usages have been replaced by dma_ ones. - a bunch of hardware specific updates and some cleanups. * 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: ata: remove deprecated use of pci api ahci: st: st_configure_oob must be called after IP is clocked. ahci: st: Update the ahci_st DT documentation ahci: st: Update the DT example for how to obtain the PHY. sata_dwc_460ex: indent an if statement libata: Add tracepoints libata-eh: Set 'information' field for autosense libata: Implement support for sense data reporting libata: Implement NCQ autosense libata: use status bit definitions in ata_dump_status() ide,ata: Rename ATA_IDX to ATA_SENSE libata: whitespace fixes in ata_to_sense_error() libata: whitespace cleanup in ata_get_cmd_descript() libata: use READ_LOG_DMA_EXT libata: remove ATA_FLAG_LOWTAG sata_dwc_460ex: re-use hsdev->dev instead of dwc_dev sata_dwc_460ex: move to generic DMA driver sata_dwc_460ex: join messages back sata: xgene: add ACPI support for APM X-Gene SATA ports ata: sata_mv: add proper definitions for LP_PHY_CTL register values
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c32
1 files changed, 28 insertions, 4 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 23dac3b..f6cb1f1 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -70,6 +70,9 @@
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/libata.h>
+
#include "libata.h"
#include "libata-transport.h"
@@ -691,11 +694,11 @@ static int ata_rwcmd_protocol(struct ata_taskfile *tf, struct ata_device *dev)
* RETURNS:
* Block address read from @tf.
*/
-u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev)
+u64 ata_tf_read_block(const struct ata_taskfile *tf, struct ata_device *dev)
{
u64 block = 0;
- if (tf->flags & ATA_TFLAG_LBA) {
+ if (!dev || tf->flags & ATA_TFLAG_LBA) {
if (tf->flags & ATA_TFLAG_LBA48) {
block |= (u64)tf->hob_lbah << 40;
block |= (u64)tf->hob_lbam << 32;
@@ -2144,6 +2147,24 @@ static int ata_dev_config_ncq(struct ata_device *dev,
return 0;
}
+static void ata_dev_config_sense_reporting(struct ata_device *dev)
+{
+ unsigned int err_mask;
+
+ if (!ata_id_has_sense_reporting(dev->id))
+ return;
+
+ if (ata_id_sense_reporting_enabled(dev->id))
+ return;
+
+ err_mask = ata_dev_set_feature(dev, SETFEATURE_SENSE_DATA, 0x1);
+ if (err_mask) {
+ ata_dev_dbg(dev,
+ "failed to enable Sense Data Reporting, Emask 0x%x\n",
+ err_mask);
+ }
+}
+
/**
* ata_dev_configure - Configure the specified ATA/ATAPI device
* @dev: Target device to configure
@@ -2366,7 +2387,7 @@ int ata_dev_configure(struct ata_device *dev)
dev->devslp_timing[i] = sata_setting[j];
}
}
-
+ ata_dev_config_sense_reporting(dev);
dev->cdb_len = 16;
}
@@ -4897,6 +4918,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
*/
if (unlikely(ata_tag_internal(qc->tag))) {
fill_result_tf(qc);
+ trace_ata_qc_complete_internal(qc);
__ata_qc_complete(qc);
return;
}
@@ -4907,6 +4929,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
*/
if (unlikely(qc->flags & ATA_QCFLAG_FAILED)) {
fill_result_tf(qc);
+ trace_ata_qc_complete_failed(qc);
ata_qc_schedule_eh(qc);
return;
}
@@ -4917,6 +4940,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
if (qc->flags & ATA_QCFLAG_RESULT_TF)
fill_result_tf(qc);
+ trace_ata_qc_complete_done(qc);
/* Some commands need post-processing after successful
* completion.
*/
@@ -5064,7 +5088,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
}
ap->ops->qc_prep(qc);
-
+ trace_ata_qc_issue(qc);
qc->err_mask |= ap->ops->qc_issue(qc);
if (unlikely(qc->err_mask))
goto err;
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