diff options
| author | Christoph Hellwig <hch@infradead.org> | 2012-05-20 11:59:17 -0400 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2012-07-16 17:28:40 -0700 |
| commit | 3d6d72014f16967ca92765040be30f022c5952e6 (patch) | |
| tree | ca4a3028d770ceab2b42fedca07e78d6d90a06b2 /drivers/target/target_core_transport.c | |
| parent | 1fd032ee10d2816c947f5d5b9abda95e728f0a8f (diff) | |
target: move transport_generic_prepare_cdb into pscsi
The virtual drivers don't need to clear cdb fields they never look at, so move
this code into the pscsi backend.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_transport.c')
| -rw-r--r-- | drivers/target/target_core_transport.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 3a7fe21e4d23..7cfb519a83f9 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1315,34 +1315,6 @@ out: } EXPORT_SYMBOL(transport_add_device_to_core_hba); -/* transport_generic_prepare_cdb(): - * - * Since the Initiator sees iSCSI devices as LUNs, the SCSI CDB will - * contain the iSCSI LUN in bits 7-5 of byte 1 as per SAM-2. - * The point of this is since we are mapping iSCSI LUNs to - * SCSI Target IDs having a non-zero LUN in the CDB will throw the - * devices and HBAs for a loop. - */ -static inline void transport_generic_prepare_cdb( - unsigned char *cdb) -{ - switch (cdb[0]) { - case READ_10: /* SBC - RDProtect */ - case READ_12: /* SBC - RDProtect */ - case READ_16: /* SBC - RDProtect */ - case SEND_DIAGNOSTIC: /* SPC - SELF-TEST Code */ - case VERIFY: /* SBC - VRProtect */ - case VERIFY_16: /* SBC - VRProtect */ - case WRITE_VERIFY: /* SBC - VRProtect */ - case WRITE_VERIFY_12: /* SBC - VRProtect */ - case MAINTENANCE_IN: /* SPC - Parameter Data Format for SA RTPG */ - break; - default: - cdb[1] &= 0x1f; /* clear logical unit number */ - break; - } -} - int target_cmd_size_check(struct se_cmd *cmd, unsigned int size) { struct se_device *dev = cmd->se_dev; @@ -1471,7 +1443,6 @@ int target_setup_cmd_from_cdb( unsigned long flags; int ret; - transport_generic_prepare_cdb(cdb); /* * Ensure that the received CDB is less than the max (252 + 8) bytes * for VARIABLE_LENGTH_CMD |