From: Damien Le Moal <damien.lemoal@hgst.com>
Date: Thu, 14 Jul 2016 00:05:49 +0000 (+0900)
Subject: libata-scsi: Fix translation of REPORT ZONES command
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3f17422b425afd91f4fb45b8f47ffd61b02c0bb8;p=linux-beck.git

libata-scsi: Fix translation of REPORT ZONES command

Include reporting options when translating REPORT ZONES commmand to
ATA NCQ, and make sure we only look at the actually specified bits
in the CDB for the options.

Signed-off-by: Damien Le Moal <damien.lemoal@hgst.com>
[hch: update patch description]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 901b46a6e993..45d8ae63cdf0 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3468,7 +3468,7 @@ static unsigned int ata_scsi_zbc_in_xlat(struct ata_queued_cmd *qc)
 		goto invalid_param_len;
 	}
 	sect = n_block / 512;
-	options = cdb[14];
+	options = cdb[14] & 0xbf;
 
 	if (ata_ncq_enabled(qc->dev) &&
 	    ata_fpdma_zac_mgmt_in_supported(qc->dev)) {
@@ -3478,7 +3478,7 @@ static unsigned int ata_scsi_zbc_in_xlat(struct ata_queued_cmd *qc)
 		tf->nsect = qc->tag << 3;
 		tf->feature = sect & 0xff;
 		tf->hob_feature = (sect >> 8) & 0xff;
-		tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES;
+		tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES | (options << 8);
 	} else {
 		tf->command = ATA_CMD_ZAC_MGMT_IN;
 		tf->feature = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES;