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Commit 5c65d8bb authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Tejun Heo
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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: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 5a233551
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+5 −0
Original line number Original line Diff line number Diff line
@@ -306,6 +306,9 @@ enum {
	/* marked obsolete in the ATA/ATAPI-7 spec */
	/* marked obsolete in the ATA/ATAPI-7 spec */
	ATA_CMD_RESTORE		= 0x10,
	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 */
	/* Subcmds for ATA_CMD_FPDMA_SEND */
	ATA_SUBCMD_FPDMA_SEND_DSM            = 0x00,
	ATA_SUBCMD_FPDMA_SEND_DSM            = 0x00,
	ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT = 0x02,
	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_OFFSET	= 0x04,
	ATA_LOG_NCQ_SEND_RECV_DSM_TRIM		= (1 << 0),
	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_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_OFFSET	= 0x0C,
	ATA_LOG_NCQ_SEND_RECV_WR_LOG_SUPPORTED  = (1 << 0),
	ATA_LOG_NCQ_SEND_RECV_SIZE		= 0x10,
	ATA_LOG_NCQ_SEND_RECV_SIZE		= 0x10,


	/* READ/WRITE LONG (obsolete) */
	/* READ/WRITE LONG (obsolete) */
+7 −0
Original line number Original line Diff line number Diff line
@@ -1642,6 +1642,13 @@ static inline bool ata_fpdma_dsm_supported(struct ata_device *dev)
		 ATA_LOG_NCQ_SEND_RECV_DSM_TRIM);
		 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)
static inline void ata_qc_set_polling(struct ata_queued_cmd *qc)
{
{
	qc->tf.ctl |= ATA_NIEN;
	qc->tf.ctl |= ATA_NIEN;