#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <asm/byteorder.h>
+#include <asm/unaligned.h>
#include <linux/cdrom.h>
#include <linux/ratelimit.h>
#include <linux/pm_runtime.h>
* 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 (!sect) {
ata_dev_warn(dev,
"device reported invalid CHS sector 0\n");
- sect = 1; /* oh well */
+ return U64_MAX;
}
block = (cyl * dev->heads + head) * dev->sectors + sect - 1;
return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
}
+static void ata_dev_config_ncq_send_recv(struct ata_device *dev)
+{
+ struct ata_port *ap = dev->link->ap;
+ unsigned int err_mask;
+ int log_index = ATA_LOG_NCQ_SEND_RECV * 2;
+ u16 log_pages;
+
+ err_mask = ata_read_log_page(dev, ATA_LOG_DIRECTORY,
+ 0, ap->sector_buf, 1);
+ if (err_mask) {
+ ata_dev_dbg(dev,
+ "failed to get Log Directory Emask 0x%x\n",
+ err_mask);
+ return;
+ }
+ log_pages = get_unaligned_le16(&ap->sector_buf[log_index]);
+ if (!log_pages) {
+ ata_dev_warn(dev,
+ "NCQ Send/Recv Log not supported\n");
+ return;
+ }
+ err_mask = ata_read_log_page(dev, ATA_LOG_NCQ_SEND_RECV,
+ 0, ap->sector_buf, 1);
+ if (err_mask) {
+ ata_dev_dbg(dev,
+ "failed to get NCQ Send/Recv Log Emask 0x%x\n",
+ err_mask);
+ } else {
+ u8 *cmds = dev->ncq_send_recv_cmds;
+
+ dev->flags |= ATA_DFLAG_NCQ_SEND_RECV;
+ memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_SEND_RECV_SIZE);
+
+ if (dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) {
+ ata_dev_dbg(dev, "disabling queued TRIM support\n");
+ cmds[ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET] &=
+ ~ATA_LOG_NCQ_SEND_RECV_DSM_TRIM;
+ }
+ }
+}
+
+static void ata_dev_config_ncq_non_data(struct ata_device *dev)
+{
+ struct ata_port *ap = dev->link->ap;
+ unsigned int err_mask;
+ int log_index = ATA_LOG_NCQ_NON_DATA * 2;
+ u16 log_pages;
+
+ err_mask = ata_read_log_page(dev, ATA_LOG_DIRECTORY,
+ 0, ap->sector_buf, 1);
+ if (err_mask) {
+ ata_dev_dbg(dev,
+ "failed to get Log Directory Emask 0x%x\n",
+ err_mask);
+ return;
+ }
+ log_pages = get_unaligned_le16(&ap->sector_buf[log_index]);
+ if (!log_pages) {
+ ata_dev_warn(dev,
+ "NCQ Send/Recv Log not supported\n");
+ return;
+ }
+ err_mask = ata_read_log_page(dev, ATA_LOG_NCQ_NON_DATA,
+ 0, ap->sector_buf, 1);
+ if (err_mask) {
+ ata_dev_dbg(dev,
+ "failed to get NCQ Non-Data Log Emask 0x%x\n",
+ err_mask);
+ } else {
+ u8 *cmds = dev->ncq_non_data_cmds;
+
+ memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_NON_DATA_SIZE);
+ }
+}
+
static int ata_dev_config_ncq(struct ata_device *dev,
char *desc, size_t desc_sz)
{
snprintf(desc, desc_sz, "NCQ (depth %d/%d)%s", hdepth,
ddepth, aa_desc);
- if ((ap->flags & ATA_FLAG_FPDMA_AUX) &&
- ata_id_has_ncq_send_and_recv(dev->id)) {
- err_mask = ata_read_log_page(dev, ATA_LOG_NCQ_SEND_RECV,
- 0, ap->sector_buf, 1);
- if (err_mask) {
- ata_dev_dbg(dev,
- "failed to get NCQ Send/Recv Log Emask 0x%x\n",
- err_mask);
- } else {
- u8 *cmds = dev->ncq_send_recv_cmds;
+ if ((ap->flags & ATA_FLAG_FPDMA_AUX)) {
+ if (ata_id_has_ncq_send_and_recv(dev->id))
+ ata_dev_config_ncq_send_recv(dev);
+ if (ata_id_has_ncq_non_data(dev->id))
+ ata_dev_config_ncq_non_data(dev);
+ }
- dev->flags |= ATA_DFLAG_NCQ_SEND_RECV;
- memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_SEND_RECV_SIZE);
+ return 0;
+}
- if (dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) {
- ata_dev_dbg(dev, "disabling queued TRIM support\n");
- cmds[ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET] &=
- ~ATA_LOG_NCQ_SEND_RECV_DSM_TRIM;
- }
+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);
+ }
+}
+
+static void ata_dev_config_zac(struct ata_device *dev)
+{
+ struct ata_port *ap = dev->link->ap;
+ unsigned int err_mask;
+ u8 *identify_buf = ap->sector_buf;
+ int log_index = ATA_LOG_SATA_ID_DEV_DATA * 2, i, found = 0;
+ u16 log_pages;
+
+ dev->zac_zones_optimal_open = U32_MAX;
+ 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))
+ return;
+
+ /*
+ * Read Log Directory to figure out if IDENTIFY DEVICE log
+ * is supported.
+ */
+ err_mask = ata_read_log_page(dev, ATA_LOG_DIRECTORY,
+ 0, ap->sector_buf, 1);
+ if (err_mask) {
+ ata_dev_info(dev,
+ "failed to get Log Directory Emask 0x%x\n",
+ err_mask);
+ return;
+ }
+ log_pages = get_unaligned_le16(&ap->sector_buf[log_index]);
+ if (log_pages == 0) {
+ ata_dev_warn(dev,
+ "ATA Identify Device Log not supported\n");
+ return;
+ }
+ /*
+ * Read IDENTIFY DEVICE data log, page 0, to figure out
+ * if page 9 is supported.
+ */
+ err_mask = ata_read_log_page(dev, ATA_LOG_SATA_ID_DEV_DATA, 0,
+ identify_buf, 1);
+ if (err_mask) {
+ ata_dev_info(dev,
+ "failed to get Device Identify Log Emask 0x%x\n",
+ err_mask);
+ return;
+ }
+ log_pages = identify_buf[8];
+ for (i = 0; i < log_pages; i++) {
+ if (identify_buf[9 + i] == ATA_LOG_ZONED_INFORMATION) {
+ found++;
+ break;
}
}
+ if (!found) {
+ ata_dev_warn(dev,
+ "ATA Zoned Information Log not supported\n");
+ return;
+ }
- return 0;
+ /*
+ * Read IDENTIFY DEVICE data log, page 9 (Zoned-device information)
+ */
+ err_mask = ata_read_log_page(dev, ATA_LOG_SATA_ID_DEV_DATA,
+ ATA_LOG_ZONED_INFORMATION,
+ identify_buf, 1);
+ if (!err_mask) {
+ u64 zoned_cap, opt_open, opt_nonseq, max_open;
+
+ zoned_cap = get_unaligned_le64(&identify_buf[8]);
+ if ((zoned_cap >> 63))
+ dev->zac_zoned_cap = (zoned_cap & 1);
+ opt_open = get_unaligned_le64(&identify_buf[24]);
+ if ((opt_open >> 63))
+ dev->zac_zones_optimal_open = (u32)opt_open;
+ opt_nonseq = get_unaligned_le64(&identify_buf[32]);
+ if ((opt_nonseq >> 63))
+ dev->zac_zones_optimal_nonseq = (u32)opt_nonseq;
+ max_open = get_unaligned_le64(&identify_buf[40]);
+ if ((max_open >> 63))
+ dev->zac_zones_max_open = (u32)max_open;
+ }
}
/**
dev->devslp_timing[i] = sata_setting[j];
}
}
-
+ ata_dev_config_sense_reporting(dev);
+ ata_dev_config_zac(dev);
dev->cdb_len = 16;
}
projects / linux-2.6-microblaze.git / blobdiff