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path: root/drivers/infiniband/ulp/iser/iser_memory.c
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Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_memory.c')
-rw-r--r--drivers/infiniband/ulp/iser/iser_memory.c77
1 files changed, 39 insertions, 38 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 81e49cb10ed..b9453d068e9 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -99,13 +99,13 @@ void iser_reg_single(struct iser_device *device,
/**
* iser_start_rdma_unaligned_sg
*/
-static int iser_start_rdma_unaligned_sg(struct iscsi_iser_cmd_task *iser_ctask,
+static int iser_start_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
enum iser_data_dir cmd_dir)
{
int dma_nents;
struct ib_device *dev;
char *mem = NULL;
- struct iser_data_buf *data = &iser_ctask->data[cmd_dir];
+ struct iser_data_buf *data = &iser_task->data[cmd_dir];
unsigned long cmd_data_len = data->data_len;
if (cmd_data_len > ISER_KMALLOC_THRESHOLD)
@@ -138,37 +138,37 @@ static int iser_start_rdma_unaligned_sg(struct iscsi_iser_cmd_task *iser_ctask,
}
}
- sg_init_one(&iser_ctask->data_copy[cmd_dir].sg_single, mem, cmd_data_len);
- iser_ctask->data_copy[cmd_dir].buf =
- &iser_ctask->data_copy[cmd_dir].sg_single;
- iser_ctask->data_copy[cmd_dir].size = 1;
+ sg_init_one(&iser_task->data_copy[cmd_dir].sg_single, mem, cmd_data_len);
+ iser_task->data_copy[cmd_dir].buf =
+ &iser_task->data_copy[cmd_dir].sg_single;
+ iser_task->data_copy[cmd_dir].size = 1;
- iser_ctask->data_copy[cmd_dir].copy_buf = mem;
+ iser_task->data_copy[cmd_dir].copy_buf = mem;
- dev = iser_ctask->iser_conn->ib_conn->device->ib_device;
+ dev = iser_task->iser_conn->ib_conn->device->ib_device;
dma_nents = ib_dma_map_sg(dev,
- &iser_ctask->data_copy[cmd_dir].sg_single,
+ &iser_task->data_copy[cmd_dir].sg_single,
1,
(cmd_dir == ISER_DIR_OUT) ?
DMA_TO_DEVICE : DMA_FROM_DEVICE);
BUG_ON(dma_nents == 0);
- iser_ctask->data_copy[cmd_dir].dma_nents = dma_nents;
+ iser_task->data_copy[cmd_dir].dma_nents = dma_nents;
return 0;
}
/**
* iser_finalize_rdma_unaligned_sg
*/
-void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_cmd_task *iser_ctask,
+void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
enum iser_data_dir cmd_dir)
{
struct ib_device *dev;
struct iser_data_buf *mem_copy;
unsigned long cmd_data_len;
- dev = iser_ctask->iser_conn->ib_conn->device->ib_device;
- mem_copy = &iser_ctask->data_copy[cmd_dir];
+ dev = iser_task->iser_conn->ib_conn->device->ib_device;
+ mem_copy = &iser_task->data_copy[cmd_dir];
ib_dma_unmap_sg(dev, &mem_copy->sg_single, 1,
(cmd_dir == ISER_DIR_OUT) ?
@@ -184,8 +184,8 @@ void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_cmd_task *iser_ctask,
/* copy back read RDMA to unaligned sg */
mem = mem_copy->copy_buf;
- sgl = (struct scatterlist *)iser_ctask->data[ISER_DIR_IN].buf;
- sg_size = iser_ctask->data[ISER_DIR_IN].size;
+ sgl = (struct scatterlist *)iser_task->data[ISER_DIR_IN].buf;
+ sg_size = iser_task->data[ISER_DIR_IN].size;
p = mem;
for_each_sg(sgl, sg, sg_size, i) {
@@ -198,7 +198,7 @@ void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_cmd_task *iser_ctask,
}
}
- cmd_data_len = iser_ctask->data[cmd_dir].data_len;
+ cmd_data_len = iser_task->data[cmd_dir].data_len;
if (cmd_data_len > ISER_KMALLOC_THRESHOLD)
free_pages((unsigned long)mem_copy->copy_buf,
@@ -376,15 +376,15 @@ static void iser_page_vec_build(struct iser_data_buf *data,
}
}
-int iser_dma_map_task_data(struct iscsi_iser_cmd_task *iser_ctask,
- struct iser_data_buf *data,
- enum iser_data_dir iser_dir,
- enum dma_data_direction dma_dir)
+int iser_dma_map_task_data(struct iscsi_iser_task *iser_task,
+ struct iser_data_buf *data,
+ enum iser_data_dir iser_dir,
+ enum dma_data_direction dma_dir)
{
struct ib_device *dev;
- iser_ctask->dir[iser_dir] = 1;
- dev = iser_ctask->iser_conn->ib_conn->device->ib_device;
+ iser_task->dir[iser_dir] = 1;
+ dev = iser_task->iser_conn->ib_conn->device->ib_device;
data->dma_nents = ib_dma_map_sg(dev, data->buf, data->size, dma_dir);
if (data->dma_nents == 0) {
@@ -394,20 +394,20 @@ int iser_dma_map_task_data(struct iscsi_iser_cmd_task *iser_ctask,
return 0;
}
-void iser_dma_unmap_task_data(struct iscsi_iser_cmd_task *iser_ctask)
+void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task)
{
struct ib_device *dev;
struct iser_data_buf *data;
- dev = iser_ctask->iser_conn->ib_conn->device->ib_device;
+ dev = iser_task->iser_conn->ib_conn->device->ib_device;
- if (iser_ctask->dir[ISER_DIR_IN]) {
- data = &iser_ctask->data[ISER_DIR_IN];
+ if (iser_task->dir[ISER_DIR_IN]) {
+ data = &iser_task->data[ISER_DIR_IN];
ib_dma_unmap_sg(dev, data->buf, data->size, DMA_FROM_DEVICE);
}
- if (iser_ctask->dir[ISER_DIR_OUT]) {
- data = &iser_ctask->data[ISER_DIR_OUT];
+ if (iser_task->dir[ISER_DIR_OUT]) {
+ data = &iser_task->data[ISER_DIR_OUT];
ib_dma_unmap_sg(dev, data->buf, data->size, DMA_TO_DEVICE);
}
}
@@ -418,21 +418,21 @@ void iser_dma_unmap_task_data(struct iscsi_iser_cmd_task *iser_ctask)
*
* returns 0 on success, errno code on failure
*/
-int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
+int iser_reg_rdma_mem(struct iscsi_iser_task *iser_task,
enum iser_data_dir cmd_dir)
{
- struct iscsi_conn *iscsi_conn = iser_ctask->iser_conn->iscsi_conn;
- struct iser_conn *ib_conn = iser_ctask->iser_conn->ib_conn;
+ struct iscsi_conn *iscsi_conn = iser_task->iser_conn->iscsi_conn;
+ struct iser_conn *ib_conn = iser_task->iser_conn->ib_conn;
struct iser_device *device = ib_conn->device;
struct ib_device *ibdev = device->ib_device;
- struct iser_data_buf *mem = &iser_ctask->data[cmd_dir];
+ struct iser_data_buf *mem = &iser_task->data[cmd_dir];
struct iser_regd_buf *regd_buf;
int aligned_len;
int err;
int i;
struct scatterlist *sg;
- regd_buf = &iser_ctask->rdma_regd[cmd_dir];
+ regd_buf = &iser_task->rdma_regd[cmd_dir];
aligned_len = iser_data_buf_aligned_len(mem, ibdev);
if (aligned_len != mem->dma_nents) {
@@ -442,13 +442,13 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
iser_data_buf_dump(mem, ibdev);
/* unmap the command data before accessing it */
- iser_dma_unmap_task_data(iser_ctask);
+ iser_dma_unmap_task_data(iser_task);
/* allocate copy buf, if we are writing, copy the */
/* unaligned scatterlist, dma map the copy */
- if (iser_start_rdma_unaligned_sg(iser_ctask, cmd_dir) != 0)
+ if (iser_start_rdma_unaligned_sg(iser_task, cmd_dir) != 0)
return -ENOMEM;
- mem = &iser_ctask->data_copy[cmd_dir];
+ mem = &iser_task->data_copy[cmd_dir];
}
/* if there a single dma entry, FMR is not needed */
@@ -472,8 +472,9 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
err = iser_reg_page_vec(ib_conn, ib_conn->page_vec, &regd_buf->reg);
if (err) {
iser_data_buf_dump(mem, ibdev);
- iser_err("mem->dma_nents = %d (dlength = 0x%x)\n", mem->dma_nents,
- ntoh24(iser_ctask->desc.iscsi_header.dlength));
+ iser_err("mem->dma_nents = %d (dlength = 0x%x)\n",
+ mem->dma_nents,
+ ntoh24(iser_task->desc.iscsi_header.dlength));
iser_err("page_vec: data_size = 0x%x, length = %d, offset = 0x%x\n",
ib_conn->page_vec->data_size, ib_conn->page_vec->length,
ib_conn->page_vec->offset);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 07:10:19 +0000