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path: root/drivers/target/target_core_rd.c
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Diffstat (limited to 'drivers/target/target_core_rd.c')
-rw-r--r--drivers/target/target_core_rd.c66
1 files changed, 31 insertions, 35 deletions
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 7837dd365a9d..fbf06c3994fd 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -66,17 +66,14 @@ static int rd_attach_hba(struct se_hba *hba, u32 host_id)
rd_host->rd_host_id = host_id;
- atomic_set(&hba->left_queue_depth, RD_HBA_QUEUE_DEPTH);
- atomic_set(&hba->max_queue_depth, RD_HBA_QUEUE_DEPTH);
hba->hba_ptr = (void *) rd_host;
printk(KERN_INFO "CORE_HBA[%d] - TCM Ramdisk HBA Driver %s on"
" Generic Target Core Stack %s\n", hba->hba_id,
RD_HBA_VERSION, TARGET_CORE_MOD_VERSION);
printk(KERN_INFO "CORE_HBA[%d] - Attached Ramdisk HBA: %u to Generic"
- " Target Core TCQ Depth: %d MaxSectors: %u\n", hba->hba_id,
- rd_host->rd_host_id, atomic_read(&hba->max_queue_depth),
- RD_MAX_SECTORS);
+ " MaxSectors: %u\n", hba->hba_id,
+ rd_host->rd_host_id, RD_MAX_SECTORS);
return 0;
}
@@ -339,7 +336,7 @@ rd_alloc_task(struct se_cmd *cmd)
printk(KERN_ERR "Unable to allocate struct rd_request\n");
return NULL;
}
- rd_req->rd_dev = SE_DEV(cmd)->dev_ptr;
+ rd_req->rd_dev = cmd->se_lun->lun_se_dev->dev_ptr;
return &rd_req->rd_task;
}
@@ -383,7 +380,7 @@ static int rd_MEMCPY_read(struct rd_request *req)
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
table_sg_end = (table->page_end_offset - req->rd_page);
sg_d = task->task_sg;
@@ -481,7 +478,7 @@ static int rd_MEMCPY_read(struct rd_request *req)
#endif
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
sg_s = &table->sg_table[j = 0];
}
@@ -506,7 +503,7 @@ static int rd_MEMCPY_write(struct rd_request *req)
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
table_sg_end = (table->page_end_offset - req->rd_page);
sg_d = &table->sg_table[req->rd_page - table->page_start_offset];
@@ -604,7 +601,7 @@ static int rd_MEMCPY_write(struct rd_request *req)
#endif
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
sg_d = &table->sg_table[j = 0];
}
@@ -623,11 +620,11 @@ static int rd_MEMCPY_do_task(struct se_task *task)
unsigned long long lba;
int ret;
- req->rd_page = (task->task_lba * DEV_ATTRIB(dev)->block_size) / PAGE_SIZE;
+ req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE;
lba = task->task_lba;
req->rd_offset = (do_div(lba,
- (PAGE_SIZE / DEV_ATTRIB(dev)->block_size))) *
- DEV_ATTRIB(dev)->block_size;
+ (PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) *
+ dev->se_sub_dev->se_dev_attrib.block_size;
req->rd_size = task->task_size;
if (task->task_data_direction == DMA_FROM_DEVICE)
@@ -664,7 +661,7 @@ static int rd_DIRECT_with_offset(
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
table_sg_end = (table->page_end_offset - req->rd_page);
sg_s = &table->sg_table[req->rd_page - table->page_start_offset];
@@ -678,7 +675,7 @@ static int rd_DIRECT_with_offset(
se_mem = kmem_cache_zalloc(se_mem_cache, GFP_KERNEL);
if (!(se_mem)) {
printk(KERN_ERR "Unable to allocate struct se_mem\n");
- return -1;
+ return -ENOMEM;
}
INIT_LIST_HEAD(&se_mem->se_list);
@@ -734,13 +731,13 @@ check_eot:
#endif
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
sg_s = &table->sg_table[j = 0];
}
out:
- T_TASK(task->task_se_cmd)->t_tasks_se_num += *se_mem_cnt;
+ task->task_se_cmd->t_task->t_tasks_se_num += *se_mem_cnt;
#ifdef DEBUG_RAMDISK_DR
printk(KERN_INFO "RD_DR - Allocated %u struct se_mem segments for task\n",
*se_mem_cnt);
@@ -767,7 +764,7 @@ static int rd_DIRECT_without_offset(
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
sg_s = &table->sg_table[req->rd_page - table->page_start_offset];
#ifdef DEBUG_RAMDISK_DR
@@ -780,7 +777,7 @@ static int rd_DIRECT_without_offset(
se_mem = kmem_cache_zalloc(se_mem_cache, GFP_KERNEL);
if (!(se_mem)) {
printk(KERN_ERR "Unable to allocate struct se_mem\n");
- return -1;
+ return -ENOMEM;
}
INIT_LIST_HEAD(&se_mem->se_list);
@@ -816,13 +813,13 @@ static int rd_DIRECT_without_offset(
#endif
table = rd_get_sg_table(dev, req->rd_page);
if (!(table))
- return -1;
+ return -EINVAL;
sg_s = &table->sg_table[j = 0];
}
out:
- T_TASK(task->task_se_cmd)->t_tasks_se_num += *se_mem_cnt;
+ task->task_se_cmd->t_task->t_tasks_se_num += *se_mem_cnt;
#ifdef DEBUG_RAMDISK_DR
printk(KERN_INFO "RD_DR - Allocated %u struct se_mem segments for task\n",
*se_mem_cnt);
@@ -848,13 +845,11 @@ static int rd_DIRECT_do_se_mem_map(
u32 task_offset = *task_offset_in;
unsigned long long lba;
int ret;
+ int block_size = task->se_dev->se_sub_dev->se_dev_attrib.block_size;
- req->rd_page = ((task->task_lba * DEV_ATTRIB(task->se_dev)->block_size) /
- PAGE_SIZE);
lba = task->task_lba;
- req->rd_offset = (do_div(lba,
- (PAGE_SIZE / DEV_ATTRIB(task->se_dev)->block_size))) *
- DEV_ATTRIB(task->se_dev)->block_size;
+ req->rd_page = ((task->task_lba * block_size) / PAGE_SIZE);
+ req->rd_offset = (do_div(lba, (PAGE_SIZE / block_size))) * block_size;
req->rd_size = task->task_size;
if (req->rd_offset)
@@ -867,7 +862,7 @@ static int rd_DIRECT_do_se_mem_map(
if (ret < 0)
return ret;
- if (CMD_TFO(cmd)->task_sg_chaining == 0)
+ if (cmd->se_tfo->task_sg_chaining == 0)
return 0;
/*
* Currently prevent writers from multiple HW fabrics doing
@@ -876,7 +871,7 @@ static int rd_DIRECT_do_se_mem_map(
if (cmd->data_direction == DMA_TO_DEVICE) {
printk(KERN_ERR "DMA_TO_DEVICE not supported for"
" RAMDISK_DR with task_sg_chaining=1\n");
- return -1;
+ return -ENOSYS;
}
/*
* Special case for if task_sg_chaining is enabled, then
@@ -884,14 +879,15 @@ static int rd_DIRECT_do_se_mem_map(
* transport_do_task_sg_chain() for creating chainged SGLs
* across multiple struct se_task->task_sg[].
*/
- if (!(transport_calc_sg_num(task,
- list_entry(T_TASK(cmd)->t_mem_list->next,
+ ret = transport_init_task_sg(task,
+ list_entry(cmd->t_task->t_mem_list->next,
struct se_mem, se_list),
- task_offset)))
- return -1;
+ task_offset);
+ if (ret <= 0)
+ return ret;
return transport_map_mem_to_sg(task, se_mem_list, task->task_sg,
- list_entry(T_TASK(cmd)->t_mem_list->next,
+ list_entry(cmd->t_task->t_mem_list->next,
struct se_mem, se_list),
out_se_mem, se_mem_cnt, task_offset_in);
}
@@ -975,7 +971,7 @@ static ssize_t rd_check_configfs_dev_params(struct se_hba *hba, struct se_subsys
if (!(rd_dev->rd_flags & RDF_HAS_PAGE_COUNT)) {
printk(KERN_INFO "Missing rd_pages= parameter\n");
- return -1;
+ return -EINVAL;
}
return 0;
@@ -1021,7 +1017,7 @@ static sector_t rd_get_blocks(struct se_device *dev)
{
struct rd_dev *rd_dev = dev->dev_ptr;
unsigned long long blocks_long = ((rd_dev->rd_page_count * PAGE_SIZE) /
- DEV_ATTRIB(dev)->block_size) - 1;
+ dev->se_sub_dev->se_dev_attrib.block_size) - 1;
return blocks_long;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-11 23:49:12 +0000