diff options
| -rw-r--r-- | drivers/target/target_core_cdb.c | 16 | ||||
| -rw-r--r-- | drivers/target/target_core_pscsi.c | 15 | ||||
| -rw-r--r-- | drivers/target/target_core_transport.c | 18 | ||||
| -rw-r--r-- | include/target/target_core_transport.h | 5 |
4 files changed, 19 insertions, 35 deletions
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c index 0d02391d1fb1..fb0b6308038b 100644 --- a/drivers/target/target_core_cdb.c +++ b/drivers/target/target_core_cdb.c @@ -1265,3 +1265,19 @@ transport_emulate_control_cdb(struct se_task *task) return PYX_TRANSPORT_SENT_TO_TRANSPORT; } + +/* + * 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; + + memcpy(cdb, cmd->t_task_cdb, scsi_command_size(cmd->t_task_cdb)); + if (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) { + cmd->transport_split_cdb(task->task_lba, task->task_sectors, + cdb); + } +} +EXPORT_SYMBOL(target_get_task_cdb); diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index b347862bf801..936b9fec4cca 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1068,6 +1068,8 @@ static int pscsi_do_task(struct se_task *task) struct bio *hbio; int ret; + target_get_task_cdb(task, pt->pscsi_cdb); + if (task->task_se_cmd->se_cmd_flags & SCF_SCSI_NON_DATA_CDB) { req = blk_get_request(pdv->pdv_sd->request_queue, (task->task_data_direction == DMA_TO_DEVICE), @@ -1150,18 +1152,6 @@ fail: return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES; } - -/* pscsi_get_cdb(): - * - * - */ -static unsigned char *pscsi_get_cdb(struct se_task *task) -{ - struct pscsi_plugin_task *pt = PSCSI_TASK(task); - - return pt->pscsi_cdb; -} - /* pscsi_get_sense_buffer(): * * @@ -1276,7 +1266,6 @@ static struct se_subsystem_api pscsi_template = { .check_configfs_dev_params = pscsi_check_configfs_dev_params, .set_configfs_dev_params = pscsi_set_configfs_dev_params, .show_configfs_dev_params = pscsi_show_configfs_dev_params, - .get_cdb = pscsi_get_cdb, .get_sense_buffer = pscsi_get_sense_buffer, .get_device_rev = pscsi_get_device_rev, .get_device_type = pscsi_get_device_type, diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 895969650a27..3025a6f5ab56 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -3958,17 +3958,6 @@ static int transport_allocate_data_tasks( task->task_sectors = min(sectors, dev_max_sectors); task->task_size = task->task_sectors * sector_size; - if (dev->transport->get_cdb) { - unsigned char *cdb = dev->transport->get_cdb(task); - - memcpy(cdb, cmd->t_task_cdb, - scsi_command_size(cmd->t_task_cdb)); - - /* Update new cdb with updated lba/sectors */ - cmd->transport_split_cdb(task->task_lba, - task->task_sectors, cdb); - } - /* * This now assumes that passed sg_ents are in PAGE_SIZE chunks * in order to calculate the number per task SGL entries @@ -4022,7 +4011,6 @@ static int transport_allocate_data_tasks( static int transport_allocate_control_task(struct se_cmd *cmd) { - struct se_device *dev = cmd->se_dev; struct se_task *task; unsigned long flags; @@ -4030,12 +4018,6 @@ transport_allocate_control_task(struct se_cmd *cmd) if (!task) return -ENOMEM; - if (dev->transport->get_cdb) { - unsigned char *cdb = dev->transport->get_cdb(task); - - memcpy(cdb, cmd->t_task_cdb, scsi_command_size(cmd->t_task_cdb)); - } - task->task_sg = kmalloc(sizeof(struct scatterlist) * cmd->t_data_nents, GFP_KERNEL); if (!task->task_sg) { diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h index c5eb259c2e2f..171c2359bc79 100644 --- a/include/target/target_core_transport.h +++ b/include/target/target_core_transport.h @@ -190,6 +190,7 @@ extern int transport_generic_do_tmr(struct se_cmd *); extern int core_alua_check_nonop_delay(struct se_cmd *); /* From target_core_cdb.c */ extern int transport_emulate_control_cdb(struct se_task *); +extern void target_get_task_cdb(struct se_task *task, unsigned char *cdb); /* * Each se_transport_task_t can have N number of possible struct se_task's @@ -309,10 +310,6 @@ struct se_subsystem_api { ssize_t (*show_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *, char *); /* - * get_cdb(): - */ - unsigned char *(*get_cdb)(struct se_task *); - /* * get_device_rev(): */ u32 (*get_device_rev)(struct se_device *); |
