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| author | Marc Carino <marc.ceeeee@gmail.com> | 2013-08-24 23:22:51 -0700 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-08-25 09:39:12 -0400 |
| commit | 87fb6c31b9ef9ccab9a822b01fc3911f026a29bb (patch) | |
| tree | cde77c63326f50564a45afefeffd0003db8ee8c7 /include/linux/libata.h | |
| parent | ed36911c747c18525691c0aa0fbe6b918c8eac19 (diff) | |
| download | lwn-87fb6c31b9ef9ccab9a822b01fc3911f026a29bb.tar.gz lwn-87fb6c31b9ef9ccab9a822b01fc3911f026a29bb.zip | |
libata: Add support for queued DSM TRIM
Some new SSDs support the queued version of the DSM TRIM command.
Let the driver use the new command if supported.
Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index a988c2d7d0e8..0e23c26485f4 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1606,6 +1606,13 @@ static inline int ata_ncq_enabled(struct ata_device *dev) ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ; } +static inline bool ata_fpdma_dsm_supported(struct ata_device *dev) +{ + return (dev->flags & ATA_DFLAG_NCQ_SEND_RECV) && + (dev->ncq_send_recv_cmds[ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET] & + ATA_LOG_NCQ_SEND_RECV_DSM_TRIM); +} + static inline void ata_qc_set_polling(struct ata_queued_cmd *qc) { qc->tf.ctl |= ATA_NIEN; |