libata-scsi: Update SATL for ZAC drives
ZAC (zoned-access command) drives translate into ZBC (Zoned block command) device type for SCSI. So implement the correct mappings into libata-scsi and update the SCSI command set versions. Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -1969,6 +1969,7 @@ static void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
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static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
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{
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const u8 versions[] = {
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0x00,
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0x60, /* SAM-3 (no version claimed) */
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0x03,
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@ -1977,6 +1978,20 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
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0x02,
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0x60 /* SPC-3 (no version claimed) */
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};
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const u8 versions_zbc[] = {
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0x00,
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0xA0, /* SAM-5 (no version claimed) */
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0x04,
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0xC0, /* SBC-3 (no version claimed) */
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0x04,
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0x60, /* SPC-4 (no version claimed) */
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0x60,
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0x20, /* ZBC (no version claimed) */
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};
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u8 hdr[] = {
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TYPE_DISK,
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0,
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@ -1991,6 +2006,11 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
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if (ata_id_removeable(args->id))
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hdr[1] |= (1 << 7);
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if (args->dev->class == ATA_DEV_ZAC) {
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hdr[0] = TYPE_ZBC;
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hdr[2] = 0x6; /* ZBC is defined in SPC-4 */
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}
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memcpy(rbuf, hdr, sizeof(hdr));
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memcpy(&rbuf[8], "ATA ", 8);
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ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16);
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@ -2003,7 +2023,10 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
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if (rbuf[32] == 0 || rbuf[32] == ' ')
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memcpy(&rbuf[32], "n/a ", 4);
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memcpy(rbuf + 59, versions, sizeof(versions));
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if (args->dev->class == ATA_DEV_ZAC)
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memcpy(rbuf + 58, versions_zbc, sizeof(versions_zbc));
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else
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memcpy(rbuf + 58, versions, sizeof(versions));
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return 0;
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}
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