From 5c65d8bb3503beb12864895426a69269c19e6e87 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 25 Apr 2016 12:45:47 +0200 Subject: 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 Signed-off-by: Tejun Heo --- include/linux/libata.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/linux/libata.h') diff --git a/include/linux/libata.h b/include/linux/libata.h index a418bca0df0d..09ddb5a6f555 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; -- cgit v1.2.3