From 856c4663930988118d9f355aad66811dd6df06de Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 25 Apr 2016 12:45:55 +0200 Subject: libata: support device-managed ZAC devices 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. Reviewed-by: Shaun Tancheff Tested-by: Shaun Tancheff Signed-off-by: Hannes Reinecke Signed-off-by: Tejun Heo --- drivers/ata/libata-scsi.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) (limited to 'drivers/ata/libata-scsi.c') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 43403aa0801f..96abd42c9985 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2082,14 +2082,14 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf) 0x00, 0xA0, /* SAM-5 (no version claimed) */ - 0x04, - 0xC0, /* SBC-3 (no version claimed) */ + 0x06, + 0x00, /* SBC-4 (no version claimed) */ - 0x04, - 0x60, /* SPC-4 (no version claimed) */ + 0x05, + 0xC0, /* SPC-5 (no version claimed) */ 0x60, - 0x20, /* ZBC (no version claimed) */ + 0x24, /* ZBC r05 */ }; u8 hdr[] = { @@ -2109,10 +2109,8 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf) (args->dev->link->ap->pflags & ATA_PFLAG_EXTERNAL)) hdr[1] |= (1 << 7); - if (args->dev->class == ATA_DEV_ZAC) { + if (args->dev->class == ATA_DEV_ZAC) hdr[0] = TYPE_ZBC; - hdr[2] = 0x6; /* ZBC is defined in SPC-4 */ - } memcpy(rbuf, hdr, sizeof(hdr)); memcpy(&rbuf[8], "ATA ", 8); @@ -2126,7 +2124,7 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf) if (rbuf[32] == 0 || rbuf[32] == ' ') memcpy(&rbuf[32], "n/a ", 4); - if (args->dev->class == ATA_DEV_ZAC) + if (ata_id_zoned_cap(args->id) || args->dev->class == ATA_DEV_ZAC) memcpy(rbuf + 58, versions_zbc, sizeof(versions_zbc)); else memcpy(rbuf + 58, versions, sizeof(versions)); @@ -2322,12 +2320,15 @@ 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); return 0; } -- cgit v1.2.3