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path: root/drivers/infiniband/ulp/iser/iser_initiator.c
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Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_initiator.c')
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c38
1 files changed, 16 insertions, 22 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 3e2118e8ed87..d511879d8cdf 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -49,7 +49,6 @@ static int iser_prepare_read_cmd(struct iscsi_task *task)
{
struct iscsi_iser_task *iser_task = task->dd_data;
- struct iser_device *device = iser_task->iser_conn->ib_conn.device;
struct iser_mem_reg *mem_reg;
int err;
struct iser_hdr *hdr = &iser_task->desc.iser_header;
@@ -73,7 +72,7 @@ static int iser_prepare_read_cmd(struct iscsi_task *task)
return err;
}
- err = device->iser_reg_rdma_mem(iser_task, ISER_DIR_IN);
+ err = iser_reg_rdma_mem(iser_task, ISER_DIR_IN);
if (err) {
iser_err("Failed to set up Data-IN RDMA\n");
return err;
@@ -103,7 +102,6 @@ iser_prepare_write_cmd(struct iscsi_task *task,
unsigned int edtl)
{
struct iscsi_iser_task *iser_task = task->dd_data;
- struct iser_device *device = iser_task->iser_conn->ib_conn.device;
struct iser_mem_reg *mem_reg;
int err;
struct iser_hdr *hdr = &iser_task->desc.iser_header;
@@ -128,7 +126,7 @@ iser_prepare_write_cmd(struct iscsi_task *task,
return err;
}
- err = device->iser_reg_rdma_mem(iser_task, ISER_DIR_OUT);
+ err = iser_reg_rdma_mem(iser_task, ISER_DIR_OUT);
if (err != 0) {
iser_err("Failed to register write cmd RDMA mem\n");
return err;
@@ -170,13 +168,7 @@ static void iser_create_send_desc(struct iser_conn *iser_conn,
memset(&tx_desc->iser_header, 0, sizeof(struct iser_hdr));
tx_desc->iser_header.flags = ISER_VER;
-
tx_desc->num_sge = 1;
-
- if (tx_desc->tx_sg[0].lkey != device->mr->lkey) {
- tx_desc->tx_sg[0].lkey = device->mr->lkey;
- iser_dbg("sdesc %p lkey mismatch, fixing\n", tx_desc);
- }
}
static void iser_free_login_buf(struct iser_conn *iser_conn)
@@ -266,7 +258,8 @@ int iser_alloc_rx_descriptors(struct iser_conn *iser_conn,
iser_conn->qp_max_recv_dtos_mask = session->cmds_max - 1; /* cmds_max is 2^N */
iser_conn->min_posted_rx = iser_conn->qp_max_recv_dtos >> 2;
- if (device->iser_alloc_rdma_reg_res(ib_conn, session->scsi_cmds_max))
+ if (device->reg_ops->alloc_reg_res(ib_conn, session->scsi_cmds_max,
+ iser_conn->scsi_sg_tablesize))
goto create_rdma_reg_res_failed;
if (iser_alloc_login_buf(iser_conn))
@@ -291,7 +284,7 @@ int iser_alloc_rx_descriptors(struct iser_conn *iser_conn,
rx_sg = &rx_desc->rx_sg;
rx_sg->addr = rx_desc->dma_addr;
rx_sg->length = ISER_RX_PAYLOAD_SIZE;
- rx_sg->lkey = device->mr->lkey;
+ rx_sg->lkey = device->pd->local_dma_lkey;
}
iser_conn->rx_desc_head = 0;
@@ -307,7 +300,7 @@ rx_desc_dma_map_failed:
rx_desc_alloc_fail:
iser_free_login_buf(iser_conn);
alloc_login_buf_fail:
- device->iser_free_rdma_reg_res(ib_conn);
+ device->reg_ops->free_reg_res(ib_conn);
create_rdma_reg_res_failed:
iser_err("failed allocating rx descriptors / data buffers\n");
return -ENOMEM;
@@ -320,8 +313,8 @@ void iser_free_rx_descriptors(struct iser_conn *iser_conn)
struct ib_conn *ib_conn = &iser_conn->ib_conn;
struct iser_device *device = ib_conn->device;
- if (device->iser_free_rdma_reg_res)
- device->iser_free_rdma_reg_res(ib_conn);
+ if (device->reg_ops->free_reg_res)
+ device->reg_ops->free_reg_res(ib_conn);
rx_desc = iser_conn->rx_descs;
for (i = 0; i < iser_conn->qp_max_recv_dtos; i++, rx_desc++)
@@ -454,7 +447,7 @@ int iser_send_data_out(struct iscsi_conn *conn,
unsigned long buf_offset;
unsigned long data_seg_len;
uint32_t itt;
- int err = 0;
+ int err;
struct ib_sge *tx_dsg;
itt = (__force uint32_t)hdr->itt;
@@ -475,7 +468,9 @@ int iser_send_data_out(struct iscsi_conn *conn,
memcpy(&tx_desc->iscsi_header, hdr, sizeof(struct iscsi_hdr));
/* build the tx desc */
- iser_initialize_task_headers(task, tx_desc);
+ err = iser_initialize_task_headers(task, tx_desc);
+ if (err)
+ goto send_data_out_error;
mem_reg = &iser_task->rdma_reg[ISER_DIR_OUT];
tx_dsg = &tx_desc->tx_sg[1];
@@ -502,7 +497,7 @@ int iser_send_data_out(struct iscsi_conn *conn,
send_data_out_error:
kmem_cache_free(ig.desc_cache, tx_desc);
- iser_err("conn %p failed err %d\n",conn, err);
+ iser_err("conn %p failed err %d\n", conn, err);
return err;
}
@@ -543,7 +538,7 @@ int iser_send_control(struct iscsi_conn *conn,
tx_dsg->addr = iser_conn->login_req_dma;
tx_dsg->length = task->data_count;
- tx_dsg->lkey = device->mr->lkey;
+ tx_dsg->lkey = device->pd->local_dma_lkey;
mdesc->num_sge = 2;
}
@@ -666,7 +661,6 @@ void iser_task_rdma_init(struct iscsi_iser_task *iser_task)
void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
{
- struct iser_device *device = iser_task->iser_conn->ib_conn.device;
int is_rdma_data_aligned = 1;
int is_rdma_prot_aligned = 1;
int prot_count = scsi_prot_sg_count(iser_task->sc);
@@ -703,7 +697,7 @@ void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
}
if (iser_task->dir[ISER_DIR_IN]) {
- device->iser_unreg_rdma_mem(iser_task, ISER_DIR_IN);
+ iser_unreg_rdma_mem(iser_task, ISER_DIR_IN);
if (is_rdma_data_aligned)
iser_dma_unmap_task_data(iser_task,
&iser_task->data[ISER_DIR_IN],
@@ -715,7 +709,7 @@ void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
}
if (iser_task->dir[ISER_DIR_OUT]) {
- device->iser_unreg_rdma_mem(iser_task, ISER_DIR_OUT);
+ iser_unreg_rdma_mem(iser_task, ISER_DIR_OUT);
if (is_rdma_data_aligned)
iser_dma_unmap_task_data(iser_task,
&iser_task->data[ISER_DIR_OUT],