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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.c137
1 files changed, 99 insertions, 38 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 79b20da0a256..97d9f0488cc1 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -65,8 +65,8 @@
#include "libata-transport.h"
const struct ata_port_operations ata_base_port_ops = {
- .prereset = ata_std_prereset,
- .postreset = ata_std_postreset,
+ .reset.prereset = ata_std_prereset,
+ .reset.postreset = ata_std_postreset,
.error_handler = ata_std_error_handler,
.sched_eh = ata_std_sched_eh,
.end_eh = ata_std_end_eh,
@@ -2154,14 +2154,46 @@ retry:
return err_mask;
}
+static inline void ata_clear_log_directory(struct ata_device *dev)
+{
+ memset(dev->gp_log_dir, 0, ATA_SECT_SIZE);
+}
+
+static int ata_read_log_directory(struct ata_device *dev)
+{
+ u16 version;
+
+ /* If the log page is already cached, do nothing. */
+ version = get_unaligned_le16(&dev->gp_log_dir[0]);
+ if (version == 0x0001)
+ return 0;
+
+ if (ata_read_log_page(dev, ATA_LOG_DIRECTORY, 0, dev->gp_log_dir, 1)) {
+ ata_clear_log_directory(dev);
+ return -EIO;
+ }
+
+ version = get_unaligned_le16(&dev->gp_log_dir[0]);
+ if (version != 0x0001) {
+ ata_dev_err(dev, "Invalid log directory version 0x%04x\n",
+ version);
+ ata_clear_log_directory(dev);
+ dev->quirks |= ATA_QUIRK_NO_LOG_DIR;
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int ata_log_supported(struct ata_device *dev, u8 log)
{
if (dev->quirks & ATA_QUIRK_NO_LOG_DIR)
return 0;
- if (ata_read_log_page(dev, ATA_LOG_DIRECTORY, 0, dev->sector_buf, 1))
+ if (ata_read_log_directory(dev))
return 0;
- return get_unaligned_le16(&dev->sector_buf[log * 2]);
+
+ return get_unaligned_le16(&dev->gp_log_dir[log * 2]);
}
static bool ata_identify_page_supported(struct ata_device *dev, u8 page)
@@ -2421,18 +2453,7 @@ static void ata_dev_config_zac(struct ata_device *dev)
dev->zac_zones_optimal_nonseq = U32_MAX;
dev->zac_zones_max_open = U32_MAX;
- /*
- * Always set the 'ZAC' flag for Host-managed devices.
- */
- if (dev->class == ATA_DEV_ZAC)
- dev->flags |= ATA_DFLAG_ZAC;
- else if (ata_id_zoned_cap(dev->id) == 0x01)
- /*
- * Check for host-aware devices.
- */
- dev->flags |= ATA_DFLAG_ZAC;
-
- if (!(dev->flags & ATA_DFLAG_ZAC))
+ if (!ata_dev_is_zac(dev))
return;
if (!ata_identify_page_supported(dev, ATA_LOG_ZONED_INFORMATION)) {
@@ -2495,7 +2516,7 @@ static void ata_dev_config_trusted(struct ata_device *dev)
dev->flags |= ATA_DFLAG_TRUSTED;
}
-void ata_dev_cleanup_cdl_resources(struct ata_device *dev)
+static void ata_dev_cleanup_cdl_resources(struct ata_device *dev)
{
kfree(dev->cdl);
dev->cdl = NULL;
@@ -2801,17 +2822,70 @@ out:
kfree(buf);
}
+/*
+ * Configure features related to link power management.
+ */
+static void ata_dev_config_lpm(struct ata_device *dev)
+{
+ struct ata_port *ap = dev->link->ap;
+ unsigned int err_mask;
+
+ if (ap->flags & ATA_FLAG_NO_LPM) {
+ /*
+ * When the port does not support LPM, we cannot support it on
+ * the device either.
+ */
+ dev->quirks |= ATA_QUIRK_NOLPM;
+ } else {
+ /*
+ * Some WD SATA-1 drives have issues with LPM, turn on NOLPM for
+ * them.
+ */
+ if ((dev->quirks & ATA_QUIRK_WD_BROKEN_LPM) &&
+ (dev->id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2)
+ dev->quirks |= ATA_QUIRK_NOLPM;
+
+ /* ATI specific quirk */
+ if ((dev->quirks & ATA_QUIRK_NO_LPM_ON_ATI) &&
+ ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI))
+ dev->quirks |= ATA_QUIRK_NOLPM;
+ }
+
+ if (dev->quirks & ATA_QUIRK_NOLPM &&
+ ap->target_lpm_policy != ATA_LPM_MAX_POWER) {
+ ata_dev_warn(dev, "LPM support broken, forcing max_power\n");
+ ap->target_lpm_policy = ATA_LPM_MAX_POWER;
+ }
+
+ /*
+ * Device Initiated Power Management (DIPM) is normally disabled by
+ * default on a device. However, DIPM may have been enabled and that
+ * setting kept even after COMRESET because of the Software Settings
+ * Preservation feature. So if the port does not support DIPM and the
+ * device does, disable DIPM on the device.
+ */
+ if (ap->flags & ATA_FLAG_NO_DIPM && ata_id_has_dipm(dev->id)) {
+ err_mask = ata_dev_set_feature(dev,
+ SETFEATURES_SATA_DISABLE, SATA_DIPM);
+ if (err_mask && err_mask != AC_ERR_DEV)
+ ata_dev_err(dev, "Disable DIPM failed, Emask 0x%x\n",
+ err_mask);
+ }
+}
+
static void ata_dev_print_features(struct ata_device *dev)
{
if (!(dev->flags & ATA_DFLAG_FEATURES_MASK))
return;
ata_dev_info(dev,
- "Features:%s%s%s%s%s%s%s%s\n",
+ "Features:%s%s%s%s%s%s%s%s%s%s\n",
dev->flags & ATA_DFLAG_FUA ? " FUA" : "",
dev->flags & ATA_DFLAG_TRUSTED ? " Trust" : "",
dev->flags & ATA_DFLAG_DA ? " Dev-Attention" : "",
dev->flags & ATA_DFLAG_DEVSLP ? " Dev-Sleep" : "",
+ ata_id_has_hipm(dev->id) ? " HIPM" : "",
+ ata_id_has_dipm(dev->id) ? " DIPM" : "",
dev->flags & ATA_DFLAG_NCQ_SEND_RECV ? " NCQ-sndrcv" : "",
dev->flags & ATA_DFLAG_NCQ_PRIO ? " NCQ-prio" : "",
dev->flags & ATA_DFLAG_CDL ? " CDL" : "",
@@ -2848,6 +2922,9 @@ int ata_dev_configure(struct ata_device *dev)
return 0;
}
+ /* Clear the general purpose log directory cache. */
+ ata_clear_log_directory(dev);
+
/* Set quirks */
dev->quirks |= ata_dev_quirks(dev);
ata_force_quirks(dev);
@@ -2871,23 +2948,6 @@ int ata_dev_configure(struct ata_device *dev)
if (rc)
return rc;
- /* some WD SATA-1 drives have issues with LPM, turn on NOLPM for them */
- if ((dev->quirks & ATA_QUIRK_WD_BROKEN_LPM) &&
- (id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2)
- dev->quirks |= ATA_QUIRK_NOLPM;
-
- if (dev->quirks & ATA_QUIRK_NO_LPM_ON_ATI &&
- ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI))
- dev->quirks |= ATA_QUIRK_NOLPM;
-
- if (ap->flags & ATA_FLAG_NO_LPM)
- dev->quirks |= ATA_QUIRK_NOLPM;
-
- if (dev->quirks & ATA_QUIRK_NOLPM) {
- ata_dev_warn(dev, "LPM support broken, forcing max_power\n");
- dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER;
- }
-
/* let ACPI work its magic */
rc = ata_acpi_on_devcfg(dev);
if (rc)
@@ -2974,6 +3034,7 @@ int ata_dev_configure(struct ata_device *dev)
ata_dev_config_chs(dev);
}
+ ata_dev_config_lpm(dev);
ata_dev_config_fua(dev);
ata_dev_config_devslp(dev);
ata_dev_config_sense_reporting(dev);
@@ -3449,7 +3510,7 @@ static int ata_dev_set_mode(struct ata_device *dev)
}
/**
- * ata_do_set_mode - Program timings and issue SET FEATURES - XFER
+ * ata_set_mode - Program timings and issue SET FEATURES - XFER
* @link: link on which timings will be programmed
* @r_failed_dev: out parameter for failed device
*
@@ -3465,7 +3526,7 @@ static int ata_dev_set_mode(struct ata_device *dev)
* 0 on success, negative errno otherwise
*/
-int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
+int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
{
struct ata_port *ap = link->ap;
struct ata_device *dev;
@@ -3546,7 +3607,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
*r_failed_dev = dev;
return rc;
}
-EXPORT_SYMBOL_GPL(ata_do_set_mode);
+EXPORT_SYMBOL_GPL(ata_set_mode);
/**
* ata_wait_ready - wait for link to become ready
generated by cgit (git 2.34.1) at 2025-07-30 09:51:50 +0000