ZAC drives implement 'zac management out' command template, which maps onto the ZBC OUT command.
Signed-off-by: Hannes Reinecke <[email protected]> --- drivers/ata/libata-eh.c | 1 + drivers/ata/libata-scsi.c | 65 +++++++++++++++++++++++++++++++++++++++++++ include/linux/ata.h | 7 +++++ include/scsi/scsi.h | 6 ++++ include/trace/events/libata.h | 1 + 5 files changed, 80 insertions(+) diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index adf306e..f12b6e3 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2480,6 +2480,7 @@ const char *ata_get_cmd_descript(u8 command) { ATA_CMD_REQ_SENSE_DATA, "REQUEST SENSE DATA EXT" }, { ATA_CMD_SANITIZE_DEVICE, "SANITIZE DEVICE" }, { ATA_CMD_ZAC_MGMT_IN, "ZAC MANAGEMENT IN" }, + { ATA_CMD_ZAC_MGMT_OUT, "ZAC MANAGEMENT OUT" }, { ATA_CMD_READ_LONG, "READ LONG (with retries)" }, { ATA_CMD_READ_LONG_ONCE, "READ LONG (without retries)" }, { ATA_CMD_WRITE_LONG, "WRITE LONG (with retries)" }, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index fa480de..fb81343 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3343,6 +3343,68 @@ static unsigned int ata_scsi_zbc_in_xlat(struct ata_queued_cmd *qc) return 1; } +static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc) +{ + struct ata_taskfile *tf = &qc->tf; + struct scsi_cmnd *scmd = qc->scsicmd; + struct ata_device *dev = qc->dev; + const u8 *cdb = scmd->cmnd; + u8 reset_all, sa; + u64 block; + u32 n_block; + + if (unlikely(scmd->cmd_len < 16)) + goto invalid_fld; + + /* + * The service action definition got moved from + * 0x00 to 0x04 with zbc-r02, so accept both. + */ + sa = cdb[1] & 0x1f; + /* Compatibility with ZBC r01 */ + if (!sa) + sa = ZO_RESET_WRITE_POINTER; + if (sa != ZO_RESET_WRITE_POINTER) + goto invalid_fld; + + scsi_16_lba_len(cdb, &block, &n_block); + if (n_block) { + /* + * ZAC MANAGEMENT OUT doesn't define any length + */ + goto invalid_fld; + } + if (block > dev->n_sectors) + goto out_of_range; + + reset_all = cdb[14] & 0x1; + + tf->protocol = ATA_PROT_NODATA; + tf->command = ATA_CMD_ZAC_MGMT_OUT; + tf->feature = sa; + tf->hob_feature = reset_all & 0x1; + + tf->lbah = (block >> 16) & 0xff; + tf->lbam = (block >> 8) & 0xff; + tf->lbal = block & 0xff; + tf->hob_lbah = (block >> 40) & 0xff; + tf->hob_lbam = (block >> 32) & 0xff; + tf->hob_lbal = (block >> 24) & 0xff; + tf->device |= ATA_LBA; + tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; + + return 0; + + invalid_fld: + ata_scsi_set_sense(scmd, ILLEGAL_REQUEST, 0x24, 0x00); + /* "Invalid field in cdb" */ + return 1; + out_of_range: + ata_scsi_set_sense(scmd, ILLEGAL_REQUEST, 0x21, 0x00); + /* "Logical Block Address out of range" */ + return 1; +} + /** * ata_mselect_caching - Simulate MODE SELECT for caching info page * @qc: Storage for translated ATA taskfile @@ -3573,6 +3635,9 @@ static inline ata_xlat_func_t ata_get_xlat_func(struct ata_device *dev, u8 cmd) case ZBC_IN: return ata_scsi_zbc_in_xlat; + case ZBC_OUT: + return ata_scsi_zbc_out_xlat; + case START_STOP: return ata_scsi_start_stop_xlat; } diff --git a/include/linux/ata.h b/include/linux/ata.h index 63427b1..6b2d2b5 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -301,6 +301,7 @@ enum { ATA_CMD_REQ_SENSE_DATA = 0x0B, ATA_CMD_SANITIZE_DEVICE = 0xB4, ATA_CMD_ZAC_MGMT_IN = 0x4A, + ATA_CMD_ZAC_MGMT_OUT = 0x94, /* marked obsolete in the ATA/ATAPI-7 spec */ ATA_CMD_RESTORE = 0x10, @@ -312,6 +313,12 @@ enum { /* Subcmds for ATA_CMD_ZAC_MGMT_IN */ ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES = 0x00, + /* Subcmds for ATA_CMD_ZAC_MGMT_OUT */ + ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE = 0x01, + ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE = 0x02, + ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE = 0x03, + ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER = 0x04, + /* READ_LOG_EXT pages */ ATA_LOG_SATA_NCQ = 0x10, ATA_LOG_NCQ_SEND_RECV = 0x13, diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 607c25a..ed1c108 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -153,6 +153,7 @@ enum scsi_timeouts { #define VERIFY_16 0x8f #define SYNCHRONIZE_CACHE_16 0x91 #define WRITE_SAME_16 0x93 +#define ZBC_OUT 0x94 #define ZBC_IN 0x95 #define SERVICE_ACTION_BIDIRECTIONAL 0x9d #define SERVICE_ACTION_IN_16 0x9e @@ -184,6 +185,11 @@ enum scsi_timeouts { #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 /* values for ZBC_IN */ #define ZI_REPORT_ZONES 0x00 +/* values for ZBC_OUT */ +#define ZO_CLOSE_ZONE 0x01 +#define ZO_OPEN_ZONE 0x02 +#define ZO_FINISH_ZONE 0x03 +#define ZO_RESET_WRITE_POINTER 0x04 /* values for variable length command */ #define XDREAD_32 0x03 #define XDWRITE_32 0x04 diff --git a/include/trace/events/libata.h b/include/trace/events/libata.h index 02ec4e5..24dcd43 100644 --- a/include/trace/events/libata.h +++ b/include/trace/events/libata.h @@ -98,6 +98,7 @@ ata_opcode_name(ATA_CMD_REQ_SENSE_DATA), \ ata_opcode_name(ATA_CMD_SANITIZE_DEVICE), \ ata_opcode_name(ATA_CMD_ZAC_MGMT_IN), \ + ata_opcode_name(ATA_CMD_ZAC_MGMT_OUT), \ ata_opcode_name(ATA_CMD_RESTORE), \ ata_opcode_name(ATA_CMD_READ_LONG), \ ata_opcode_name(ATA_CMD_READ_LONG_ONCE), \ -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
