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path: root/drivers/ata/libata-core.c
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Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c231
1 files changed, 52 insertions, 179 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index aba0c67d1bd6..67f88027680a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -764,9 +764,6 @@ int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
head = track % dev->heads;
sect = (u32)block % dev->sectors + 1;
- DPRINTK("block %u track %u cyl %u head %u sect %u\n",
- (u32)block, track, cyl, head, sect);
-
/* Check whether the converted CHS can fit.
Cylinder: 0-65535
Head: 0-15
@@ -1010,32 +1007,21 @@ unsigned int ata_dev_classify(const struct ata_taskfile *tf)
* SEMB signature. This is worked around in
* ata_dev_read_id().
*/
- if ((tf->lbam == 0) && (tf->lbah == 0)) {
- DPRINTK("found ATA device by sig\n");
+ if (tf->lbam == 0 && tf->lbah == 0)
return ATA_DEV_ATA;
- }
- if ((tf->lbam == 0x14) && (tf->lbah == 0xeb)) {
- DPRINTK("found ATAPI device by sig\n");
+ if (tf->lbam == 0x14 && tf->lbah == 0xeb)
return ATA_DEV_ATAPI;
- }
- if ((tf->lbam == 0x69) && (tf->lbah == 0x96)) {
- DPRINTK("found PMP device by sig\n");
+ if (tf->lbam == 0x69 && tf->lbah == 0x96)
return ATA_DEV_PMP;
- }
- if ((tf->lbam == 0x3c) && (tf->lbah == 0xc3)) {
- DPRINTK("found SEMB device by sig (could be ATA device)\n");
+ if (tf->lbam == 0x3c && tf->lbah == 0xc3)
return ATA_DEV_SEMB;
- }
- if ((tf->lbam == 0xcd) && (tf->lbah == 0xab)) {
- DPRINTK("found ZAC device by sig\n");
+ if (tf->lbam == 0xcd && tf->lbah == 0xab)
return ATA_DEV_ZAC;
- }
- DPRINTK("unknown device\n");
return ATA_DEV_UNKNOWN;
}
EXPORT_SYMBOL_GPL(ata_dev_classify);
@@ -1355,6 +1341,7 @@ static int ata_hpa_resize(struct ata_device *dev)
/**
* ata_dump_id - IDENTIFY DEVICE info debugging output
+ * @dev: device from which the information is fetched
* @id: IDENTIFY DEVICE page to dump
*
* Dump selected 16-bit words from the given IDENTIFY DEVICE
@@ -1364,32 +1351,14 @@ static int ata_hpa_resize(struct ata_device *dev)
* caller.
*/
-static inline void ata_dump_id(const u16 *id)
-{
- DPRINTK("49==0x%04x "
- "53==0x%04x "
- "63==0x%04x "
- "64==0x%04x "
- "75==0x%04x \n",
- id[49],
- id[53],
- id[63],
- id[64],
- id[75]);
- DPRINTK("80==0x%04x "
- "81==0x%04x "
- "82==0x%04x "
- "83==0x%04x "
- "84==0x%04x \n",
- id[80],
- id[81],
- id[82],
- id[83],
- id[84]);
- DPRINTK("88==0x%04x "
- "93==0x%04x\n",
- id[88],
- id[93]);
+static inline void ata_dump_id(struct ata_device *dev, const u16 *id)
+{
+ ata_dev_dbg(dev,
+ "49==0x%04x 53==0x%04x 63==0x%04x 64==0x%04x 75==0x%04x\n"
+ "80==0x%04x 81==0x%04x 82==0x%04x 83==0x%04x 84==0x%04x\n"
+ "88==0x%04x 93==0x%04x\n",
+ id[49], id[53], id[63], id[64], id[75], id[80],
+ id[81], id[82], id[83], id[84], id[88], id[93]);
}
/**
@@ -1602,9 +1571,8 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
else
ata_qc_complete(qc);
- if (ata_msg_warn(ap))
- ata_dev_warn(dev, "qc timeout (cmd 0x%x)\n",
- command);
+ ata_dev_warn(dev, "qc timeout (cmd 0x%x)\n",
+ command);
}
spin_unlock_irqrestore(ap->lock, flags);
@@ -1754,7 +1722,7 @@ static u32 ata_pio_mask_no_iordy(const struct ata_device *adev)
* this function is wrapped or replaced by the driver
*/
unsigned int ata_do_dev_read_id(struct ata_device *dev,
- struct ata_taskfile *tf, u16 *id)
+ struct ata_taskfile *tf, __le16 *id)
{
return ata_exec_internal(dev, tf, NULL, DMA_FROM_DEVICE,
id, sizeof(id[0]) * ATA_ID_WORDS, 0);
@@ -1794,9 +1762,6 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
int may_fallback = 1, tried_spinup = 0;
int rc;
- if (ata_msg_ctl(ap))
- ata_dev_dbg(dev, "%s: ENTER\n", __func__);
-
retry:
ata_tf_init(dev, &tf);
@@ -1830,9 +1795,9 @@ retry:
tf.flags |= ATA_TFLAG_POLLING;
if (ap->ops->read_id)
- err_mask = ap->ops->read_id(dev, &tf, id);
+ err_mask = ap->ops->read_id(dev, &tf, (__le16 *)id);
else
- err_mask = ata_do_dev_read_id(dev, &tf, id);
+ err_mask = ata_do_dev_read_id(dev, &tf, (__le16 *)id);
if (err_mask) {
if (err_mask & AC_ERR_NODEV_HINT) {
@@ -1879,10 +1844,10 @@ retry:
}
if (dev->horkage & ATA_HORKAGE_DUMP_ID) {
- ata_dev_dbg(dev, "dumping IDENTIFY data, "
+ ata_dev_info(dev, "dumping IDENTIFY data, "
"class=%d may_fallback=%d tried_spinup=%d\n",
class, may_fallback, tried_spinup);
- print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET,
+ print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET,
16, 2, id, ATA_ID_WORDS * sizeof(*id), true);
}
@@ -1966,9 +1931,8 @@ retry:
return 0;
err_out:
- if (ata_msg_warn(ap))
- ata_dev_warn(dev, "failed to IDENTIFY (%s, err_mask=0x%x)\n",
- reason, err_mask);
+ ata_dev_warn(dev, "failed to IDENTIFY (%s, err_mask=0x%x)\n",
+ reason, err_mask);
return rc;
}
@@ -1996,7 +1960,7 @@ unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
unsigned int err_mask;
bool dma = false;
- DPRINTK("read log page - log 0x%x, page 0x%x\n", log, page);
+ ata_dev_dbg(dev, "read log page - log 0x%x, page 0x%x\n", log, page);
/*
* Return error without actually issuing the command on controllers
@@ -2390,7 +2354,6 @@ static void ata_dev_config_trusted(struct ata_device *dev)
static int ata_dev_config_lba(struct ata_device *dev)
{
- struct ata_port *ap = dev->link->ap;
const u16 *id = dev->id;
const char *lba_desc;
char ncq_desc[24];
@@ -2412,7 +2375,7 @@ static int ata_dev_config_lba(struct ata_device *dev)
ret = ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
/* print device info to dmesg */
- if (ata_msg_drv(ap) && ata_dev_print_info(dev))
+ if (ata_dev_print_info(dev))
ata_dev_info(dev,
"%llu sectors, multi %u: %s %s\n",
(unsigned long long)dev->n_sectors,
@@ -2423,7 +2386,6 @@ static int ata_dev_config_lba(struct ata_device *dev)
static void ata_dev_config_chs(struct ata_device *dev)
{
- struct ata_port *ap = dev->link->ap;
const u16 *id = dev->id;
if (ata_id_current_chs_valid(id)) {
@@ -2439,7 +2401,7 @@ static void ata_dev_config_chs(struct ata_device *dev)
}
/* print device info to dmesg */
- if (ata_msg_drv(ap) && ata_dev_print_info(dev))
+ if (ata_dev_print_info(dev))
ata_dev_info(dev,
"%llu sectors, multi %u, CHS %u/%u/%u\n",
(unsigned long long)dev->n_sectors,
@@ -2566,14 +2528,11 @@ int ata_dev_configure(struct ata_device *dev)
char modelbuf[ATA_ID_PROD_LEN+1];
int rc;
- if (!ata_dev_enabled(dev) && ata_msg_info(ap)) {
- ata_dev_info(dev, "%s: ENTER/EXIT -- nodev\n", __func__);
+ if (!ata_dev_enabled(dev)) {
+ ata_dev_dbg(dev, "no device\n");
return 0;
}
- if (ata_msg_probe(ap))
- ata_dev_dbg(dev, "%s: ENTER\n", __func__);
-
/* set horkage */
dev->horkage |= ata_dev_blacklisted(dev);
ata_force_horkage(dev);
@@ -2621,13 +2580,12 @@ int ata_dev_configure(struct ata_device *dev)
return rc;
/* print device capabilities */
- if (ata_msg_probe(ap))
- ata_dev_dbg(dev,
- "%s: cfg 49:%04x 82:%04x 83:%04x 84:%04x "
- "85:%04x 86:%04x 87:%04x 88:%04x\n",
- __func__,
- id[49], id[82], id[83], id[84],
- id[85], id[86], id[87], id[88]);
+ ata_dev_dbg(dev,
+ "%s: cfg 49:%04x 82:%04x 83:%04x 84:%04x "
+ "85:%04x 86:%04x 87:%04x 88:%04x\n",
+ __func__,
+ id[49], id[82], id[83], id[84],
+ id[85], id[86], id[87], id[88]);
/* initialize to-be-configured parameters */
dev->flags &= ~ATA_DFLAG_CFG_MASK;
@@ -2646,8 +2604,7 @@ int ata_dev_configure(struct ata_device *dev)
/* find max transfer mode; for printk only */
xfer_mask = ata_id_xfermask(id);
- if (ata_msg_probe(ap))
- ata_dump_id(id);
+ ata_dump_id(dev, id);
/* SCSI only uses 4-char revisions, dump full 8 chars from ATA */
ata_id_c_string(dev->id, fwrevbuf, ATA_ID_FW_REV,
@@ -2685,7 +2642,7 @@ int ata_dev_configure(struct ata_device *dev)
}
/* print device info to dmesg */
- if (ata_msg_drv(ap) && print_info)
+ if (print_info)
ata_dev_info(dev, "%s: %s, %s, max %s\n",
revbuf, modelbuf, fwrevbuf,
ata_mode_string(xfer_mask));
@@ -2705,7 +2662,7 @@ int ata_dev_configure(struct ata_device *dev)
ata_dev_config_cpr(dev);
dev->cdb_len = 32;
- if (ata_msg_drv(ap) && print_info)
+ if (print_info)
ata_dev_print_features(dev);
}
@@ -2718,8 +2675,7 @@ int ata_dev_configure(struct ata_device *dev)
rc = atapi_cdb_len(id);
if ((rc < 12) || (rc > ATAPI_CDB_LEN)) {
- if (ata_msg_warn(ap))
- ata_dev_warn(dev, "unsupported CDB len\n");
+ ata_dev_warn(dev, "unsupported CDB len %d\n", rc);
rc = -EINVAL;
goto err_out_nosup;
}
@@ -2763,7 +2719,7 @@ int ata_dev_configure(struct ata_device *dev)
}
/* print device info to dmesg */
- if (ata_msg_drv(ap) && print_info)
+ if (print_info)
ata_dev_info(dev,
"ATAPI: %s, %s, max %s%s%s%s\n",
modelbuf, fwrevbuf,
@@ -2780,7 +2736,7 @@ int ata_dev_configure(struct ata_device *dev)
/* Limit PATA drive on SATA cable bridge transfers to udma5,
200 sectors */
if (ata_dev_knobble(dev)) {
- if (ata_msg_drv(ap) && print_info)
+ if (print_info)
ata_dev_info(dev, "applying bridge limits\n");
dev->udma_mask &= ATA_UDMA5;
dev->max_sectors = ATA_MAX_SECTORS;
@@ -2829,8 +2785,6 @@ int ata_dev_configure(struct ata_device *dev)
return 0;
err_out_nosup:
- if (ata_msg_probe(ap))
- ata_dev_dbg(dev, "%s: EXIT, err\n", __func__);
return rc;
}
@@ -3373,8 +3327,8 @@ static int ata_dev_set_mode(struct ata_device *dev)
dev_err_whine = " (device error ignored)";
}
- DPRINTK("xfer_shift=%u, xfer_mode=0x%x\n",
- dev->xfer_shift, (int)dev->xfer_mode);
+ ata_dev_dbg(dev, "xfer_shift=%u, xfer_mode=0x%x\n",
+ dev->xfer_shift, (int)dev->xfer_mode);
if (!(ehc->i.flags & ATA_EHI_QUIET) ||
ehc->i.flags & ATA_EHI_DID_HARDRESET)
@@ -3688,16 +3642,12 @@ void ata_std_postreset(struct ata_link *link, unsigned int *classes)
{
u32 serror;
- DPRINTK("ENTER\n");
-
/* reset complete, clear SError */
if (!sata_scr_read(link, SCR_ERROR, &serror))
sata_scr_write(link, SCR_ERROR, serror);
/* print link status */
sata_print_link_status(link);
-
- DPRINTK("EXIT\n");
}
EXPORT_SYMBOL_GPL(ata_std_postreset);
@@ -4324,7 +4274,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
unsigned int err_mask;
/* set up set-features taskfile */
- DPRINTK("set features - xfer mode\n");
+ ata_dev_dbg(dev, "set features - xfer mode\n");
/* Some controllers and ATAPI devices show flaky interrupt
* behavior after setting xfer mode. Use polling instead.
@@ -4346,7 +4296,6 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
/* On some disks, this command causes spin-up, so we need longer timeout */
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000);
- DPRINTK("EXIT, err_mask=%x\n", err_mask);
return err_mask;
}
@@ -4372,7 +4321,7 @@ unsigned int ata_dev_set_feature(struct ata_device *dev, u8 enable, u8 feature)
unsigned long timeout = 0;
/* set up set-features taskfile */
- DPRINTK("set features - SATA features\n");
+ ata_dev_dbg(dev, "set features - SATA features\n");
ata_tf_init(dev, &tf);
tf.command = ATA_CMD_SET_FEATURES;
@@ -4386,7 +4335,6 @@ unsigned int ata_dev_set_feature(struct ata_device *dev, u8 enable, u8 feature)
ata_probe_timeout * 1000 : SETFEATURES_SPINUP_TIMEOUT;
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, timeout);
- DPRINTK("EXIT, err_mask=%x\n", err_mask);
return err_mask;
}
EXPORT_SYMBOL_GPL(ata_dev_set_feature);
@@ -4414,7 +4362,7 @@ static unsigned int ata_dev_init_params(struct ata_device *dev,
return AC_ERR_INVALID;
/* set up init dev params taskfile */
- DPRINTK("init dev params \n");
+ ata_dev_dbg(dev, "init dev params \n");
ata_tf_init(dev, &tf);
tf.command = ATA_CMD_INIT_DEV_PARAMS;
@@ -4430,7 +4378,6 @@ static unsigned int ata_dev_init_params(struct ata_device *dev,
if (err_mask == AC_ERR_DEV && (tf.feature & ATA_ABORTED))
err_mask = 0;
- DPRINTK("EXIT, err_mask=%x\n", err_mask);
return err_mask;
}
@@ -4542,8 +4489,6 @@ static void ata_sg_clean(struct ata_queued_cmd *qc)
WARN_ON_ONCE(sg == NULL);
- VPRINTK("unmapping %u sg elements\n", qc->n_elem);
-
if (qc->n_elem)
dma_unmap_sg(ap->dev, sg, qc->orig_n_elem, dir);
@@ -4569,13 +4514,10 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
struct ata_port *ap = qc->ap;
unsigned int n_elem;
- VPRINTK("ENTER, ata%u\n", ap->print_id);
-
n_elem = dma_map_sg(ap->dev, qc->sg, qc->n_elem, qc->dma_dir);
if (n_elem < 1)
return -1;
- VPRINTK("%d sg elements mapped\n", n_elem);
qc->orig_n_elem = qc->n_elem;
qc->n_elem = n_elem;
qc->flags |= ATA_QCFLAG_DMAMAP;
@@ -4930,6 +4872,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
return;
}
+ trace_ata_qc_prep(qc);
qc->err_mask |= ap->ops->qc_prep(qc);
if (unlikely(qc->err_mask))
goto err;
@@ -5375,8 +5318,6 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
{
struct ata_port *ap;
- DPRINTK("ENTER\n");
-
ap = kzalloc(sizeof(*ap), GFP_KERNEL);
if (!ap)
return NULL;
@@ -5388,15 +5329,6 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
ap->host = host;
ap->dev = host->dev;
-#if defined(ATA_VERBOSE_DEBUG)
- /* turn on all debugging levels */
- ap->msg_enable = 0x00FF;
-#elif defined(ATA_DEBUG)
- ap->msg_enable = ATA_MSG_DRV | ATA_MSG_INFO | ATA_MSG_CTL | ATA_MSG_WARN | ATA_MSG_ERR;
-#else
- ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN;
-#endif
-
mutex_init(&ap->scsi_scan_mutex);
INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);
INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
@@ -5493,8 +5425,6 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports)
int i;
void *dr;
- DPRINTK("ENTER\n");
-
/* alloc a container for our list of ATA ports (buses) */
sz = sizeof(struct ata_host) + (max_ports + 1) * sizeof(void *);
host = kzalloc(sz, GFP_KERNEL);
@@ -5784,9 +5714,7 @@ int ata_port_probe(struct ata_port *ap)
__ata_port_probe(ap);
ata_port_wait_eh(ap);
} else {
- DPRINTK("ata%u: bus probe begin\n", ap->print_id);
rc = ata_bus_probe(ap);
- DPRINTK("ata%u: bus probe end\n", ap->print_id);
}
return rc;
}
@@ -6553,69 +6481,14 @@ const struct ata_port_info ata_dummy_port_info = {
};
EXPORT_SYMBOL_GPL(ata_dummy_port_info);
-/*
- * Utility print functions
- */
-void ata_port_printk(const struct ata_port *ap, const char *level,
- const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- printk("%sata%u: %pV", level, ap->print_id, &vaf);
-
- va_end(args);
-}
-EXPORT_SYMBOL(ata_port_printk);
-
-void ata_link_printk(const struct ata_link *link, const char *level,
- const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- if (sata_pmp_attached(link->ap) || link->ap->slave_link)
- printk("%sata%u.%02u: %pV",
- level, link->ap->print_id, link->pmp, &vaf);
- else
- printk("%sata%u: %pV",
- level, link->ap->print_id, &vaf);
-
- va_end(args);
-}
-EXPORT_SYMBOL(ata_link_printk);
-
-void ata_dev_printk(const struct ata_device *dev, const char *level,
- const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- printk("%sata%u.%02u: %pV",
- level, dev->link->ap->print_id, dev->link->pmp + dev->devno,
- &vaf);
-
- va_end(args);
-}
-EXPORT_SYMBOL(ata_dev_printk);
-
void ata_print_version(const struct device *dev, const char *version)
{
dev_printk(KERN_DEBUG, dev, "version %s\n", version);
}
EXPORT_SYMBOL(ata_print_version);
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(ata_tf_load);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ata_exec_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ata_bmdma_setup);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ata_bmdma_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ata_bmdma_status);
generated by cgit (git 2.34.1) at 2024-05-09 01:38:55 +0000