leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

libata: NCQ encapsulation for ZAC MANAGEMENT OUT

Browse Source 
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@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Hannes Reinecke
2016-04-25 12:45:54 +02:00
committed by Tejun Heo
parent 27708a9579
commit 284b3b77ea
5 changed files with 70 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/libata.h
View File

@@ -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;
@@ -1658,6 +1659,12 @@ static inline bool ata_fpdma_zac_mgmt_in_supported(struct ata_device *dev)
ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_IN_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;