diff options
Diffstat (limited to 'hw/scsi-bus.c')
| -rw-r--r-- | hw/scsi-bus.c | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c index 4ec9b52c7d..9c64e30279 100644 --- a/hw/scsi-bus.c +++ b/hw/scsi-bus.c @@ -770,7 +770,6 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) case SET_CD_SPEED: case SET_LIMITS: case WRITE_LONG_10: - case MOVE_MEDIUM: case UPDATE_BLOCK: case RESERVE_TRACK: case SET_READ_AHEAD: @@ -914,6 +913,29 @@ static int scsi_req_stream_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *bu return 0; } +static int scsi_req_medium_changer_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) +{ + switch (buf[0]) { + /* medium changer commands */ + case EXCHANGE_MEDIUM: + case INITIALIZE_ELEMENT_STATUS: + case INITIALIZE_ELEMENT_STATUS_WITH_RANGE: + case MOVE_MEDIUM: + case POSITION_TO_ELEMENT: + cmd->xfer = 0; + break; + case READ_ELEMENT_STATUS: + cmd->xfer = buf[9] | (buf[8] << 8) | (buf[7] << 16); + break; + + /* generic commands */ + default: + return scsi_req_length(cmd, dev, buf); + } + return 0; +} + + static void scsi_cmd_xfer_mode(SCSICommand *cmd) { if (!cmd->xfer) { @@ -1011,11 +1033,18 @@ int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) return -1; } - if (dev->type == TYPE_TAPE) { + switch (dev->type) { + case TYPE_TAPE: rc = scsi_req_stream_length(cmd, dev, buf); - } else { + break; + case TYPE_MEDIUM_CHANGER: + rc = scsi_req_medium_changer_length(cmd, dev, buf); + break; + default: rc = scsi_req_length(cmd, dev, buf); + break; } + if (rc != 0) return rc; @@ -1193,7 +1222,8 @@ static const char *scsi_command_name(uint8_t cmd) [ REQUEST_SENSE ] = "REQUEST_SENSE", [ FORMAT_UNIT ] = "FORMAT_UNIT", [ READ_BLOCK_LIMITS ] = "READ_BLOCK_LIMITS", - [ REASSIGN_BLOCKS ] = "REASSIGN_BLOCKS", + [ REASSIGN_BLOCKS ] = "REASSIGN_BLOCKS/INITIALIZE ELEMENT STATUS", + /* LOAD_UNLOAD and INITIALIZE_ELEMENT_STATUS use the same operation code */ [ READ_6 ] = "READ_6", [ WRITE_6 ] = "WRITE_6", [ SET_CAPACITY ] = "SET_CAPACITY", @@ -1218,7 +1248,8 @@ static const char *scsi_command_name(uint8_t cmd) [ READ_CAPACITY_10 ] = "READ_CAPACITY_10", [ READ_10 ] = "READ_10", [ WRITE_10 ] = "WRITE_10", - [ SEEK_10 ] = "SEEK_10", + [ SEEK_10 ] = "SEEK_10/POSITION_TO_ELEMENT", + /* SEEK_10 and POSITION_TO_ELEMENT use the same operation code */ [ WRITE_VERIFY_10 ] = "WRITE_VERIFY_10", [ VERIFY_10 ] = "VERIFY_10", [ SEARCH_HIGH ] = "SEARCH_HIGH", @@ -1229,7 +1260,8 @@ static const char *scsi_command_name(uint8_t cmd) /* READ_POSITION and PRE_FETCH use the same operation code */ [ SYNCHRONIZE_CACHE ] = "SYNCHRONIZE_CACHE", [ LOCK_UNLOCK_CACHE ] = "LOCK_UNLOCK_CACHE", - [ READ_DEFECT_DATA ] = "READ_DEFECT_DATA", + [ READ_DEFECT_DATA ] = "READ_DEFECT_DATA/INITIALIZE_ELEMENT_STATUS_WITH_RANGE", + /* READ_DEFECT_DATA and INITIALIZE_ELEMENT_STATUS_WITH_RANGE use the same operation code */ [ MEDIUM_SCAN ] = "MEDIUM_SCAN", [ COMPARE ] = "COMPARE", [ COPY_VERIFY ] = "COPY_VERIFY", @@ -1274,6 +1306,7 @@ static const char *scsi_command_name(uint8_t cmd) [ REPORT_LUNS ] = "REPORT_LUNS", [ BLANK ] = "BLANK", [ MOVE_MEDIUM ] = "MOVE_MEDIUM", + [ EXCHANGE_MEDIUM ] = "EXCHANGE MEDIUM", [ LOAD_UNLOAD ] = "LOAD_UNLOAD", [ READ_12 ] = "READ_12", [ WRITE_12 ] = "WRITE_12", |