From 284b3b77ea883234dadb2cbf97b145c3c30fe4bd Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 25 Apr 2016 12:45:54 +0200 Subject: libata: NCQ encapsulation for ZAC MANAGEMENT OUT 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 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 c0806b60c4fa..0019d4b51b11 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -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; -- cgit v1.2.3