diff options
| author | Hannes Reinecke <hare@suse.de> | 2016-04-25 12:45:47 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-05-09 12:36:45 -0400 |
| commit | 5c65d8bb3503beb12864895426a69269c19e6e87 (patch) | |
| tree | c0448bbdf8b482e74dd4e3695851b7eed9c6e650 | |
| parent | 5a2335512ad30ea38e53e112ca51e8a314dc6874 (diff) | |
| download | op-kernel-dev-5c65d8bb3503beb12864895426a69269c19e6e87.zip op-kernel-dev-5c65d8bb3503beb12864895426a69269c19e6e87.tar.gz | |
libata: Add command definitions for NCQ Encapsulation for READ LOG DMA EXT
ACS-4 defines an NCQ encapsulation for READ LOG DMA EXT.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | include/linux/ata.h | 5 | ||||
| -rw-r--r-- | include/linux/libata.h | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index b84210a..94ccde5 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -306,6 +306,9 @@ enum { /* marked obsolete in the ATA/ATAPI-7 spec */ ATA_CMD_RESTORE = 0x10, + /* Subcmds for ATA_CMD_FPDMA_RECV */ + ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT = 0x01, + /* Subcmds for ATA_CMD_FPDMA_SEND */ ATA_SUBCMD_FPDMA_SEND_DSM = 0x00, ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT = 0x02, @@ -329,7 +332,9 @@ enum { ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET = 0x04, ATA_LOG_NCQ_SEND_RECV_DSM_TRIM = (1 << 0), ATA_LOG_NCQ_SEND_RECV_RD_LOG_OFFSET = 0x08, + ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED = (1 << 0), ATA_LOG_NCQ_SEND_RECV_WR_LOG_OFFSET = 0x0C, + ATA_LOG_NCQ_SEND_RECV_WR_LOG_SUPPORTED = (1 << 0), ATA_LOG_NCQ_SEND_RECV_SIZE = 0x10, /* READ/WRITE LONG (obsolete) */ diff --git a/include/linux/libata.h b/include/linux/libata.h index a418bca..09ddb5a 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1642,6 +1642,13 @@ static inline bool ata_fpdma_dsm_supported(struct ata_device *dev) ATA_LOG_NCQ_SEND_RECV_DSM_TRIM); } +static inline bool ata_fpdma_read_log_supported(struct ata_device *dev) +{ + return (dev->flags & ATA_DFLAG_NCQ_SEND_RECV) && + (dev->ncq_send_recv_cmds[ATA_LOG_NCQ_SEND_RECV_RD_LOG_OFFSET] & + ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED); +} + static inline void ata_qc_set_polling(struct ata_queued_cmd *qc) { qc->tf.ctl |= ATA_NIEN; |
