Add NCQ encapsulation for ZAC MANAGEMENT OUT and evaluate
NCQ Non-Data log pages to figure out if NCQ encapsulation
is supported.
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
---
drivers/ata/libata-core.c | 43 ++++++++++++++++++++++++++++++++++++++++---
drivers/ata/libata-scsi.c | 18 +++++++++++++-----
drivers/ata/libata-trace.c | 3 +++
include/linux/ata.h | 7 +++++++
include/linux/libata.h | 7 +++++++
5 files changed, 70 insertions(+), 8 deletions(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index cfde6bc..4d2e965 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2121,6 +2121,40 @@ static void ata_dev_config_ncq_send_recv(struct ata_device *dev)
}
}
+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, true);
+ 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, true);
+ 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)
{
@@ -2165,9 +2199,12 @@ static int ata_dev_config_ncq(struct ata_device *dev,
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))
- ata_dev_config_ncq_send_recv(dev);
+ 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);
+ }
return 0;
}
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index ef696a3..5f1fc03 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3506,11 +3506,19 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
reset_all = cdb[14] & 0x1;
- tf->protocol = ATA_PROT_NODATA;
- tf->command = ATA_CMD_ZAC_MGMT_OUT;
- tf->feature = sa;
- tf->hob_feature = reset_all & 0x1;
-
+ if (ata_ncq_enabled(qc->dev) &&
+ ata_fpdma_zac_mgmt_out_supported(qc->dev)) {
+ tf->protocol = ATA_PROT_NCQ;
+ tf->command = ATA_CMD_NCQ_NON_DATA;
+ tf->hob_nsect = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT;
+ tf->nsect = qc->tag << 3;
+ tf->auxiliary = sa | (reset_all & 0x1) << 8;
+ } else {
+ tf->protocol = ATA_PROT_NODATA;
+ tf->command = ATA_CMD_ZAC_MGMT_OUT;
+ tf->feature = sa;
+ tf->hob_feature = reset_all & 0x1;
+ }
tf->lbah = (block >> 16) & 0xff;
tf->lbam = (block >> 8) & 0xff;
tf->lbal = block & 0xff;
diff --git a/drivers/ata/libata-trace.c b/drivers/ata/libata-trace.c
index 1111ba7..f8c550d 100644
--- a/drivers/ata/libata-trace.c
+++ b/drivers/ata/libata-trace.c
@@ -188,6 +188,9 @@ libata_trace_parse_subcmd(struct trace_seq *p, unsigned char cmd,
case ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT:
trace_seq_printf(p, " ZERO_EXT");
break;
+ case ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT:
+ trace_seq_printf(p, " ZAC_MGMT_OUT");
+ break;
}
break;
case ATA_CMD_ZAC_MGMT_IN:
diff --git a/include/linux/ata.h b/include/linux/ata.h
index e3bf9a3..3fb2d7d 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -320,6 +320,7 @@ enum {
ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE = 0x00,
ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES = 0x05,
ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT = 0x06,
+ ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT = 0x07,
/* Subcmds for ATA_CMD_ZAC_MGMT_IN */
ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES = 0x00,
@@ -333,6 +334,7 @@ enum {
/* READ_LOG_EXT pages */
ATA_LOG_DIRECTORY = 0x0,
ATA_LOG_SATA_NCQ = 0x10,
+ ATA_LOG_NCQ_NON_DATA = 0x12,
ATA_LOG_NCQ_SEND_RECV = 0x13,
ATA_LOG_SATA_ID_DEV_DATA = 0x30,
ATA_LOG_SATA_SETTINGS = 0x08,
@@ -874,6 +876,11 @@ static inline bool ata_id_has_ncq_send_and_recv(const u16 *id)
return id[ATA_ID_SATA_CAPABILITY_2] & BIT(6);
}
+static inline bool ata_id_has_ncq_non_data(const u16 *id)
+{
+ return id[ATA_ID_SATA_CAPABILITY_2] & BIT(5);
+}
+
static inline bool ata_id_has_trim(const u16 *id)
{
if (ata_id_major_version(id) >= 7 &&
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 92297cd..bb48eb7 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -729,6 +729,7 @@ struct ata_device {
/* NCQ send and receive log subcommand support */
u8 ncq_send_recv_cmds[ATA_LOG_NCQ_SEND_RECV_SIZE];
+ u8 ncq_non_data_cmds[ATA_LOG_NCQ_NON_DATA_SIZE];
/* error history */
int spdn_cnt;
@@ -1651,6 +1652,12 @@ static inline bool ata_fpdma_read_log_supported(struct ata_device *dev)
ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED);
}
+static inline bool ata_fpdma_zac_mgmt_out_supported(struct ata_device *dev)
+{
+ return (dev->ncq_non_data_cmds[ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OFFSET] &
+ ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OUT);
+}
+
static inline void ata_qc_set_polling(struct ata_queued_cmd *qc)
{
qc->tf.ctl |= ATA_NIEN;
--
1.8.5.6
--
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