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path: root/drivers/ata/libata-eh.c
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Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c168
1 files changed, 138 insertions, 30 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index d2029a462e2c..07f41be38fbe 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -46,6 +46,7 @@
#include <linux/libata.h>
+#include <trace/events/libata.h>
#include "libata.h"
enum {
@@ -1510,13 +1511,18 @@ unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
DPRINTK("read log page - log 0x%x, page 0x%x\n", log, page);
ata_tf_init(dev, &tf);
- tf.command = ATA_CMD_READ_LOG_EXT;
+ if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id)) {
+ tf.command = ATA_CMD_READ_LOG_DMA_EXT;
+ tf.protocol = ATA_PROT_DMA;
+ } else {
+ tf.command = ATA_CMD_READ_LOG_EXT;
+ tf.protocol = ATA_PROT_PIO;
+ }
tf.lbal = log;
tf.lbam = page;
tf.nsect = sectors;
tf.hob_nsect = sectors >> 8;
tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_LBA48 | ATA_TFLAG_DEVICE;
- tf.protocol = ATA_PROT_PIO;
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_FROM_DEVICE,
buf, sectors * ATA_SECT_SIZE, 0);
@@ -1575,6 +1581,8 @@ static int ata_eh_read_log_10h(struct ata_device *dev,
tf->hob_lbah = buf[10];
tf->nsect = buf[12];
tf->hob_nsect = buf[13];
+ if (ata_id_has_ncq_autosense(dev->id))
+ tf->auxiliary = buf[14] << 16 | buf[15] << 8 | buf[16];
return 0;
}
@@ -1611,6 +1619,70 @@ unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key)
}
/**
+ * ata_eh_request_sense - perform REQUEST_SENSE_DATA_EXT
+ * @dev: device to perform REQUEST_SENSE_SENSE_DATA_EXT to
+ * @sense_buf: result sense data buffer (SCSI_SENSE_BUFFERSIZE bytes long)
+ * @dfl_sense_key: default sense key to use
+ *
+ * Perform REQUEST_SENSE_DATA_EXT after the device reported CHECK
+ * SENSE. This function is EH helper.
+ *
+ * LOCKING:
+ * Kernel thread context (may sleep).
+ *
+ * RETURNS:
+ * encoded sense data on success, 0 on failure or if sense data
+ * is not available.
+ */
+static u32 ata_eh_request_sense(struct ata_queued_cmd *qc,
+ struct scsi_cmnd *cmd)
+{
+ struct ata_device *dev = qc->dev;
+ struct ata_taskfile tf;
+ unsigned int err_mask;
+
+ if (!cmd)
+ return 0;
+
+ DPRINTK("ATA request sense\n");
+ ata_dev_warn(dev, "request sense\n");
+ if (!ata_id_sense_reporting_enabled(dev->id)) {
+ ata_dev_warn(qc->dev, "sense data reporting disabled\n");
+ return 0;
+ }
+ ata_tf_init(dev, &tf);
+
+ tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
+ tf.flags |= ATA_TFLAG_LBA | ATA_TFLAG_LBA48;
+ tf.command = ATA_CMD_REQ_SENSE_DATA;
+ tf.protocol = ATA_PROT_NODATA;
+
+ err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
+ /*
+ * ACS-4 states:
+ * The device may set the SENSE DATA AVAILABLE bit to one in the
+ * STATUS field and clear the ERROR bit to zero in the STATUS field
+ * to indicate that the command returned completion without an error
+ * and the sense data described in table 306 is available.
+ *
+ * IOW the 'ATA_SENSE' bit might not be set even though valid
+ * sense data is available.
+ * So check for both.
+ */
+ if ((tf.command & ATA_SENSE) ||
+ tf.lbah != 0 || tf.lbam != 0 || tf.lbal != 0) {
+ ata_scsi_set_sense(cmd, tf.lbah, tf.lbam, tf.lbal);
+ qc->flags |= ATA_QCFLAG_SENSE_VALID;
+ ata_dev_warn(dev, "sense data %02x/%02x/%02x\n",
+ tf.lbah, tf.lbam, tf.lbal);
+ } else {
+ ata_dev_warn(dev, "request sense failed stat %02x emask %x\n",
+ tf.command, err_mask);
+ }
+ return err_mask;
+}
+
+/**
* atapi_eh_request_sense - perform ATAPI REQUEST_SENSE
* @dev: device to perform REQUEST_SENSE to
* @sense_buf: result sense data buffer (SCSI_SENSE_BUFFERSIZE bytes long)
@@ -1772,6 +1844,19 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
memcpy(&qc->result_tf, &tf, sizeof(tf));
qc->result_tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_LBA | ATA_TFLAG_LBA48;
qc->err_mask |= AC_ERR_DEV | AC_ERR_NCQ;
+ if (qc->result_tf.auxiliary) {
+ char sense_key, asc, ascq;
+
+ sense_key = (qc->result_tf.auxiliary >> 16) & 0xff;
+ asc = (qc->result_tf.auxiliary >> 8) & 0xff;
+ ascq = qc->result_tf.auxiliary & 0xff;
+ ata_dev_dbg(dev, "NCQ Autosense %02x/%02x/%02x\n",
+ sense_key, asc, ascq);
+ ata_scsi_set_sense(qc->scsicmd, sense_key, asc, ascq);
+ ata_scsi_set_sense_information(qc->scsicmd, &qc->result_tf);
+ qc->flags |= ATA_QCFLAG_SENSE_VALID;
+ }
+
ehc->i.err_mask &= ~AC_ERR_DEV;
}
@@ -1801,6 +1886,27 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc,
return ATA_EH_RESET;
}
+ /*
+ * Sense data reporting does not work if the
+ * device fault bit is set.
+ */
+ if ((stat & ATA_SENSE) && !(stat & ATA_DF) &&
+ !(qc->flags & ATA_QCFLAG_SENSE_VALID)) {
+ if (!(qc->ap->pflags & ATA_PFLAG_FROZEN)) {
+ tmp = ata_eh_request_sense(qc, qc->scsicmd);
+ if (tmp)
+ qc->err_mask |= tmp;
+ else
+ ata_scsi_set_sense_information(qc->scsicmd, tf);
+ } else {
+ ata_dev_warn(qc->dev, "sense data available but port frozen\n");
+ }
+ }
+
+ /* Set by NCQ autosense or request sense above */
+ if (qc->flags & ATA_QCFLAG_SENSE_VALID)
+ return 0;
+
if (stat & (ATA_ERR | ATA_DF))
qc->err_mask |= AC_ERR_DEV;
else
@@ -2186,6 +2292,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
all_err_mask |= qc->err_mask;
if (qc->flags & ATA_QCFLAG_IO)
eflags |= ATA_EFLAG_IS_IO;
+ trace_ata_eh_link_autopsy_qc(qc);
}
/* enforce default EH actions */
@@ -2220,7 +2327,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
eflags |= ATA_EFLAG_DUBIOUS_XFER;
ehc->i.action |= ata_eh_speed_down(dev, eflags, all_err_mask);
}
-
+ trace_ata_eh_link_autopsy(dev, ehc->i.action, all_err_mask);
DPRINTK("EXIT\n");
}
@@ -2289,27 +2396,27 @@ const char *ata_get_cmd_descript(u8 command)
const char *text;
} cmd_descr[] = {
{ ATA_CMD_DEV_RESET, "DEVICE RESET" },
- { ATA_CMD_CHK_POWER, "CHECK POWER MODE" },
- { ATA_CMD_STANDBY, "STANDBY" },
- { ATA_CMD_IDLE, "IDLE" },
- { ATA_CMD_EDD, "EXECUTE DEVICE DIAGNOSTIC" },
- { ATA_CMD_DOWNLOAD_MICRO, "DOWNLOAD MICROCODE" },
+ { ATA_CMD_CHK_POWER, "CHECK POWER MODE" },
+ { ATA_CMD_STANDBY, "STANDBY" },
+ { ATA_CMD_IDLE, "IDLE" },
+ { ATA_CMD_EDD, "EXECUTE DEVICE DIAGNOSTIC" },
+ { ATA_CMD_DOWNLOAD_MICRO, "DOWNLOAD MICROCODE" },
{ ATA_CMD_DOWNLOAD_MICRO_DMA, "DOWNLOAD MICROCODE DMA" },
{ ATA_CMD_NOP, "NOP" },
- { ATA_CMD_FLUSH, "FLUSH CACHE" },
- { ATA_CMD_FLUSH_EXT, "FLUSH CACHE EXT" },
- { ATA_CMD_ID_ATA, "IDENTIFY DEVICE" },
- { ATA_CMD_ID_ATAPI, "IDENTIFY PACKET DEVICE" },
- { ATA_CMD_SERVICE, "SERVICE" },
- { ATA_CMD_READ, "READ DMA" },
- { ATA_CMD_READ_EXT, "READ DMA EXT" },
- { ATA_CMD_READ_QUEUED, "READ DMA QUEUED" },
- { ATA_CMD_READ_STREAM_EXT, "READ STREAM EXT" },
+ { ATA_CMD_FLUSH, "FLUSH CACHE" },
+ { ATA_CMD_FLUSH_EXT, "FLUSH CACHE EXT" },
+ { ATA_CMD_ID_ATA, "IDENTIFY DEVICE" },
+ { ATA_CMD_ID_ATAPI, "IDENTIFY PACKET DEVICE" },
+ { ATA_CMD_SERVICE, "SERVICE" },
+ { ATA_CMD_READ, "READ DMA" },
+ { ATA_CMD_READ_EXT, "READ DMA EXT" },
+ { ATA_CMD_READ_QUEUED, "READ DMA QUEUED" },
+ { ATA_CMD_READ_STREAM_EXT, "READ STREAM EXT" },
{ ATA_CMD_READ_STREAM_DMA_EXT, "READ STREAM DMA EXT" },
- { ATA_CMD_WRITE, "WRITE DMA" },
- { ATA_CMD_WRITE_EXT, "WRITE DMA EXT" },
- { ATA_CMD_WRITE_QUEUED, "WRITE DMA QUEUED EXT" },
- { ATA_CMD_WRITE_STREAM_EXT, "WRITE STREAM EXT" },
+ { ATA_CMD_WRITE, "WRITE DMA" },
+ { ATA_CMD_WRITE_EXT, "WRITE DMA EXT" },
+ { ATA_CMD_WRITE_QUEUED, "WRITE DMA QUEUED EXT" },
+ { ATA_CMD_WRITE_STREAM_EXT, "WRITE STREAM EXT" },
{ ATA_CMD_WRITE_STREAM_DMA_EXT, "WRITE STREAM DMA EXT" },
{ ATA_CMD_WRITE_FUA_EXT, "WRITE DMA FUA EXT" },
{ ATA_CMD_WRITE_QUEUED_FUA_EXT, "WRITE DMA QUEUED FUA EXT" },
@@ -2325,7 +2432,7 @@ const char *ata_get_cmd_descript(u8 command)
{ ATA_CMD_READ_MULTI_EXT, "READ MULTIPLE EXT" },
{ ATA_CMD_WRITE_MULTI, "WRITE MULTIPLE" },
{ ATA_CMD_WRITE_MULTI_EXT, "WRITE MULTIPLE EXT" },
- { ATA_CMD_WRITE_MULTI_FUA_EXT, "WRITE MULTIPLE FUA EXT" },
+ { ATA_CMD_WRITE_MULTI_FUA_EXT, "WRITE MULTIPLE FUA EXT" },
{ ATA_CMD_SET_FEATURES, "SET FEATURES" },
{ ATA_CMD_SET_MULTI, "SET MULTIPLE MODE" },
{ ATA_CMD_VERIFY, "READ VERIFY SECTOR(S)" },
@@ -2342,12 +2449,12 @@ const char *ata_get_cmd_descript(u8 command)
{ ATA_CMD_READ_LOG_EXT, "READ LOG EXT" },
{ ATA_CMD_WRITE_LOG_EXT, "WRITE LOG EXT" },
{ ATA_CMD_READ_LOG_DMA_EXT, "READ LOG DMA EXT" },
- { ATA_CMD_WRITE_LOG_DMA_EXT, "WRITE LOG DMA EXT" },
+ { ATA_CMD_WRITE_LOG_DMA_EXT, "WRITE LOG DMA EXT" },
{ ATA_CMD_TRUSTED_NONDATA, "TRUSTED NON-DATA" },
{ ATA_CMD_TRUSTED_RCV, "TRUSTED RECEIVE" },
- { ATA_CMD_TRUSTED_RCV_DMA, "TRUSTED RECEIVE DMA" },
+ { ATA_CMD_TRUSTED_RCV_DMA, "TRUSTED RECEIVE DMA" },
{ ATA_CMD_TRUSTED_SND, "TRUSTED SEND" },
- { ATA_CMD_TRUSTED_SND_DMA, "TRUSTED SEND DMA" },
+ { ATA_CMD_TRUSTED_SND_DMA, "TRUSTED SEND DMA" },
{ ATA_CMD_PMP_READ, "READ BUFFER" },
{ ATA_CMD_PMP_READ_DMA, "READ BUFFER DMA" },
{ ATA_CMD_PMP_WRITE, "WRITE BUFFER" },
@@ -2364,12 +2471,12 @@ const char *ata_get_cmd_descript(u8 command)
{ ATA_CMD_MEDIA_LOCK, "DOOR LOCK" },
{ ATA_CMD_MEDIA_UNLOCK, "DOOR UNLOCK" },
{ ATA_CMD_DSM, "DATA SET MANAGEMENT" },
- { ATA_CMD_CHK_MED_CRD_TYP, "CHECK MEDIA CARD TYPE" },
- { ATA_CMD_CFA_REQ_EXT_ERR, "CFA REQUEST EXTENDED ERROR" },
+ { ATA_CMD_CHK_MED_CRD_TYP, "CHECK MEDIA CARD TYPE" },
+ { ATA_CMD_CFA_REQ_EXT_ERR, "CFA REQUEST EXTENDED ERROR" },
{ ATA_CMD_CFA_WRITE_NE, "CFA WRITE SECTORS WITHOUT ERASE" },
{ ATA_CMD_CFA_TRANS_SECT, "CFA TRANSLATE SECTOR" },
{ ATA_CMD_CFA_ERASE, "CFA ERASE SECTORS" },
- { ATA_CMD_CFA_WRITE_MULT_NE, "CFA WRITE MULTIPLE WITHOUT ERASE" },
+ { ATA_CMD_CFA_WRITE_MULT_NE, "CFA WRITE MULTIPLE WITHOUT ERASE" },
{ ATA_CMD_REQ_SENSE_DATA, "REQUEST SENSE DATA EXT" },
{ ATA_CMD_SANITIZE_DEVICE, "SANITIZE DEVICE" },
{ ATA_CMD_READ_LONG, "READ LONG (with retries)" },
@@ -2543,14 +2650,15 @@ static void ata_eh_link_report(struct ata_link *link)
#ifdef CONFIG_ATA_VERBOSE_ERROR
if (res->command & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ |
- ATA_ERR)) {
+ ATA_SENSE | ATA_ERR)) {
if (res->command & ATA_BUSY)
ata_dev_err(qc->dev, "status: { Busy }\n");
else
- ata_dev_err(qc->dev, "status: { %s%s%s%s}\n",
+ ata_dev_err(qc->dev, "status: { %s%s%s%s%s}\n",
res->command & ATA_DRDY ? "DRDY " : "",
res->command & ATA_DF ? "DF " : "",
res->command & ATA_DRQ ? "DRQ " : "",
+ res->command & ATA_SENSE ? "SENSE " : "",
res->command & ATA_ERR ? "ERR " : "");
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-06 03:03:54 +0300