Hello.
On 4/4/2016 12:47 PM, Hannes Reinecke wrote:
Device-managed ZAC devices just set the zoned capabilities field
in INQUIRY byte 69 (cf ACS-4). This corresponds to the 'zoned'
field in the block device characteristics VPD page.
As this is only defined in SPC-5/SBC-4 we also need to update
the supported SCSI version descriptor.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/ata/libata-scsi.c | 19 ++++++++++---------
include/linux/ata.h | 5 +++++
2 files changed, 15 insertions(+), 9 deletions(-)
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 6db2aaf..ff95ef6 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
[...]
@@ -2316,12 +2314,15 @@ static unsigned int ata_scsiop_inq_b1(struct ata_scsi_args *args, u8 *rbuf)
{
int form_factor = ata_id_form_factor(args->id);
int media_rotation_rate = ata_id_rotation_rate(args->id);
+ u8 zoned = ata_id_zoned_cap(args->id);
rbuf[1] = 0xb1;
rbuf[3] = 0x3c;
rbuf[4] = media_rotation_rate >> 8;
rbuf[5] = media_rotation_rate;
rbuf[7] = form_factor;
+ if (zoned)
+ rbuf[8] = (zoned << 4);
Parens not needed here.
[...]
MBR, Sergei
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