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path: root/drivers/target/target_core_cdb.c
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Diffstat (limited to 'drivers/target/target_core_cdb.c')
-rw-r--r--drivers/target/target_core_cdb.c49
1 files changed, 0 insertions, 49 deletions
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index f6f6059f7f74..8e6b91d0380d 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -1148,52 +1148,3 @@ int target_emulate_noop(struct se_task *task)
transport_complete_task(task, 1);
return 0;
}
-
-/*
- * Write a CDB into @cdb that is based on the one the intiator sent us,
- * but updated to only cover the sectors that the current task handles.
- */
-void target_get_task_cdb(struct se_task *task, unsigned char *cdb)
-{
- struct se_cmd *cmd = task->task_se_cmd;
- unsigned int cdb_len = scsi_command_size(cmd->t_task_cdb);
-
- memcpy(cdb, cmd->t_task_cdb, cdb_len);
- if (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) {
- unsigned long long lba = task->task_lba;
- u32 sectors = task->task_sectors;
-
- switch (cdb_len) {
- case 6:
- /* 21-bit LBA and 8-bit sectors */
- cdb[1] = (lba >> 16) & 0x1f;
- cdb[2] = (lba >> 8) & 0xff;
- cdb[3] = lba & 0xff;
- cdb[4] = sectors & 0xff;
- break;
- case 10:
- /* 32-bit LBA and 16-bit sectors */
- put_unaligned_be32(lba, &cdb[2]);
- put_unaligned_be16(sectors, &cdb[7]);
- break;
- case 12:
- /* 32-bit LBA and 32-bit sectors */
- put_unaligned_be32(lba, &cdb[2]);
- put_unaligned_be32(sectors, &cdb[6]);
- break;
- case 16:
- /* 64-bit LBA and 32-bit sectors */
- put_unaligned_be64(lba, &cdb[2]);
- put_unaligned_be32(sectors, &cdb[10]);
- break;
- case 32:
- /* 64-bit LBA and 32-bit sectors, extended CDB */
- put_unaligned_be64(lba, &cdb[12]);
- put_unaligned_be32(sectors, &cdb[28]);
- break;
- default:
- BUG();
- }
- }
-}
-EXPORT_SYMBOL(target_get_task_cdb);