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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/infiniband/ulp/isert
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/infiniband/ulp/isert')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c282
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.h8
2 files changed, 103 insertions, 187 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index aa59037d7..8a51c3b5d 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -157,16 +157,9 @@ isert_create_qp(struct isert_conn *isert_conn,
attr.recv_cq = comp->cq;
attr.cap.max_send_wr = ISERT_QP_MAX_REQ_DTOS;
attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1;
- /*
- * FIXME: Use devattr.max_sge - 2 for max_send_sge as
- * work-around for RDMA_READs with ConnectX-2.
- *
- * Also, still make sure to have at least two SGEs for
- * outgoing control PDU responses.
- */
- attr.cap.max_send_sge = max(2, device->dev_attr.max_sge - 2);
- isert_conn->max_sge = attr.cap.max_send_sge;
-
+ attr.cap.max_send_sge = device->dev_attr.max_sge;
+ isert_conn->max_sge = min(device->dev_attr.max_sge,
+ device->dev_attr.max_sge_rd);
attr.cap.max_recv_sge = 1;
attr.sq_sig_type = IB_SIGNAL_REQ_WR;
attr.qp_type = IB_QPT_RC;
@@ -473,10 +466,8 @@ isert_conn_free_fastreg_pool(struct isert_conn *isert_conn)
list_for_each_entry_safe(fr_desc, tmp,
&isert_conn->fr_pool, list) {
list_del(&fr_desc->list);
- ib_free_fast_reg_page_list(fr_desc->data_frpl);
ib_dereg_mr(fr_desc->data_mr);
if (fr_desc->pi_ctx) {
- ib_free_fast_reg_page_list(fr_desc->pi_ctx->prot_frpl);
ib_dereg_mr(fr_desc->pi_ctx->prot_mr);
ib_dereg_mr(fr_desc->pi_ctx->sig_mr);
kfree(fr_desc->pi_ctx);
@@ -504,22 +495,13 @@ isert_create_pi_ctx(struct fast_reg_descriptor *desc,
return -ENOMEM;
}
- pi_ctx->prot_frpl = ib_alloc_fast_reg_page_list(device,
- ISCSI_ISER_SG_TABLESIZE);
- if (IS_ERR(pi_ctx->prot_frpl)) {
- isert_err("Failed to allocate prot frpl err=%ld\n",
- PTR_ERR(pi_ctx->prot_frpl));
- ret = PTR_ERR(pi_ctx->prot_frpl);
- goto err_pi_ctx;
- }
-
pi_ctx->prot_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG,
ISCSI_ISER_SG_TABLESIZE);
if (IS_ERR(pi_ctx->prot_mr)) {
isert_err("Failed to allocate prot frmr err=%ld\n",
PTR_ERR(pi_ctx->prot_mr));
ret = PTR_ERR(pi_ctx->prot_mr);
- goto err_prot_frpl;
+ goto err_pi_ctx;
}
desc->ind |= ISERT_PROT_KEY_VALID;
@@ -539,8 +521,6 @@ isert_create_pi_ctx(struct fast_reg_descriptor *desc,
err_prot_mr:
ib_dereg_mr(pi_ctx->prot_mr);
-err_prot_frpl:
- ib_free_fast_reg_page_list(pi_ctx->prot_frpl);
err_pi_ctx:
kfree(pi_ctx);
@@ -551,34 +531,18 @@ static int
isert_create_fr_desc(struct ib_device *ib_device, struct ib_pd *pd,
struct fast_reg_descriptor *fr_desc)
{
- int ret;
-
- fr_desc->data_frpl = ib_alloc_fast_reg_page_list(ib_device,
- ISCSI_ISER_SG_TABLESIZE);
- if (IS_ERR(fr_desc->data_frpl)) {
- isert_err("Failed to allocate data frpl err=%ld\n",
- PTR_ERR(fr_desc->data_frpl));
- return PTR_ERR(fr_desc->data_frpl);
- }
-
fr_desc->data_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG,
ISCSI_ISER_SG_TABLESIZE);
if (IS_ERR(fr_desc->data_mr)) {
isert_err("Failed to allocate data frmr err=%ld\n",
PTR_ERR(fr_desc->data_mr));
- ret = PTR_ERR(fr_desc->data_mr);
- goto err_data_frpl;
+ return PTR_ERR(fr_desc->data_mr);
}
fr_desc->ind |= ISERT_DATA_KEY_VALID;
isert_dbg("Created fr_desc %p\n", fr_desc);
return 0;
-
-err_data_frpl:
- ib_free_fast_reg_page_list(fr_desc->data_frpl);
-
- return ret;
}
static int
@@ -1579,7 +1543,6 @@ isert_rx_do_work(struct iser_rx_desc *rx_desc, struct isert_conn *isert_conn)
struct iser_hdr *iser_hdr = &rx_desc->iser_header;
uint64_t read_va = 0, write_va = 0;
uint32_t read_stag = 0, write_stag = 0;
- int rc;
switch (iser_hdr->flags & 0xF0) {
case ISCSI_CTRL:
@@ -1606,8 +1569,8 @@ isert_rx_do_work(struct iser_rx_desc *rx_desc, struct isert_conn *isert_conn)
break;
}
- rc = isert_rx_opcode(isert_conn, rx_desc,
- read_stag, read_va, write_stag, write_va);
+ isert_rx_opcode(isert_conn, rx_desc,
+ read_stag, read_va, write_stag, write_va);
}
static void
@@ -1716,10 +1679,10 @@ isert_unmap_cmd(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn)
isert_unmap_data_buf(isert_conn, &wr->data);
}
- if (wr->send_wr) {
+ if (wr->rdma_wr) {
isert_dbg("Cmd %p free send_wr\n", isert_cmd);
- kfree(wr->send_wr);
- wr->send_wr = NULL;
+ kfree(wr->rdma_wr);
+ wr->rdma_wr = NULL;
}
if (wr->ib_sge) {
@@ -1754,7 +1717,7 @@ isert_unreg_rdma(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn)
}
wr->ib_sge = NULL;
- wr->send_wr = NULL;
+ wr->rdma_wr = NULL;
}
static void
@@ -1923,7 +1886,7 @@ isert_completion_rdma_write(struct iser_tx_desc *tx_desc,
}
device->unreg_rdma_mem(isert_cmd, isert_conn);
- wr->send_wr_num = 0;
+ wr->rdma_wr_num = 0;
if (ret)
transport_send_check_condition_and_sense(se_cmd,
se_cmd->pi_err, 0);
@@ -1951,7 +1914,7 @@ isert_completion_rdma_read(struct iser_tx_desc *tx_desc,
iscsit_stop_dataout_timer(cmd);
device->unreg_rdma_mem(isert_cmd, isert_conn);
cmd->write_data_done = wr->data.len;
- wr->send_wr_num = 0;
+ wr->rdma_wr_num = 0;
isert_dbg("Cmd: %p RDMA_READ comp calling execute_cmd\n", isert_cmd);
spin_lock_bh(&cmd->istate_lock);
@@ -2403,7 +2366,7 @@ isert_put_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
static int
isert_build_rdma_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
- struct ib_sge *ib_sge, struct ib_send_wr *send_wr,
+ struct ib_sge *ib_sge, struct ib_rdma_wr *rdma_wr,
u32 data_left, u32 offset)
{
struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
@@ -2418,8 +2381,8 @@ isert_build_rdma_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
sg_nents = min(cmd->se_cmd.t_data_nents - sg_off, isert_conn->max_sge);
page_off = offset % PAGE_SIZE;
- send_wr->sg_list = ib_sge;
- send_wr->wr_id = (uintptr_t)&isert_cmd->tx_desc;
+ rdma_wr->wr.sg_list = ib_sge;
+ rdma_wr->wr.wr_id = (uintptr_t)&isert_cmd->tx_desc;
/*
* Perform mapping of TCM scatterlist memory ib_sge dma_addr.
*/
@@ -2444,11 +2407,11 @@ isert_build_rdma_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
isert_dbg("Incrementing ib_sge pointer to %p\n", ib_sge);
}
- send_wr->num_sge = ++i;
+ rdma_wr->wr.num_sge = ++i;
isert_dbg("Set outgoing sg_list: %p num_sg: %u from TCM SGLs\n",
- send_wr->sg_list, send_wr->num_sge);
+ rdma_wr->wr.sg_list, rdma_wr->wr.num_sge);
- return send_wr->num_sge;
+ return rdma_wr->wr.num_sge;
}
static int
@@ -2459,7 +2422,7 @@ isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
struct isert_conn *isert_conn = conn->context;
struct isert_data_buf *data = &wr->data;
- struct ib_send_wr *send_wr;
+ struct ib_rdma_wr *rdma_wr;
struct ib_sge *ib_sge;
u32 offset, data_len, data_left, rdma_write_max, va_offset = 0;
int ret = 0, i, ib_sge_cnt;
@@ -2484,11 +2447,11 @@ isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
}
wr->ib_sge = ib_sge;
- wr->send_wr_num = DIV_ROUND_UP(data->nents, isert_conn->max_sge);
- wr->send_wr = kzalloc(sizeof(struct ib_send_wr) * wr->send_wr_num,
+ wr->rdma_wr_num = DIV_ROUND_UP(data->nents, isert_conn->max_sge);
+ wr->rdma_wr = kzalloc(sizeof(struct ib_rdma_wr) * wr->rdma_wr_num,
GFP_KERNEL);
- if (!wr->send_wr) {
- isert_dbg("Unable to allocate wr->send_wr\n");
+ if (!wr->rdma_wr) {
+ isert_dbg("Unable to allocate wr->rdma_wr\n");
ret = -ENOMEM;
goto unmap_cmd;
}
@@ -2496,31 +2459,31 @@ isert_map_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
wr->isert_cmd = isert_cmd;
rdma_write_max = isert_conn->max_sge * PAGE_SIZE;
- for (i = 0; i < wr->send_wr_num; i++) {
- send_wr = &isert_cmd->rdma_wr.send_wr[i];
+ for (i = 0; i < wr->rdma_wr_num; i++) {
+ rdma_wr = &isert_cmd->rdma_wr.rdma_wr[i];
data_len = min(data_left, rdma_write_max);
- send_wr->send_flags = 0;
+ rdma_wr->wr.send_flags = 0;
if (wr->iser_ib_op == ISER_IB_RDMA_WRITE) {
- send_wr->opcode = IB_WR_RDMA_WRITE;
- send_wr->wr.rdma.remote_addr = isert_cmd->read_va + offset;
- send_wr->wr.rdma.rkey = isert_cmd->read_stag;
- if (i + 1 == wr->send_wr_num)
- send_wr->next = &isert_cmd->tx_desc.send_wr;
+ rdma_wr->wr.opcode = IB_WR_RDMA_WRITE;
+ rdma_wr->remote_addr = isert_cmd->read_va + offset;
+ rdma_wr->rkey = isert_cmd->read_stag;
+ if (i + 1 == wr->rdma_wr_num)
+ rdma_wr->wr.next = &isert_cmd->tx_desc.send_wr;
else
- send_wr->next = &wr->send_wr[i + 1];
+ rdma_wr->wr.next = &wr->rdma_wr[i + 1].wr;
} else {
- send_wr->opcode = IB_WR_RDMA_READ;
- send_wr->wr.rdma.remote_addr = isert_cmd->write_va + va_offset;
- send_wr->wr.rdma.rkey = isert_cmd->write_stag;
- if (i + 1 == wr->send_wr_num)
- send_wr->send_flags = IB_SEND_SIGNALED;
+ rdma_wr->wr.opcode = IB_WR_RDMA_READ;
+ rdma_wr->remote_addr = isert_cmd->write_va + va_offset;
+ rdma_wr->rkey = isert_cmd->write_stag;
+ if (i + 1 == wr->rdma_wr_num)
+ rdma_wr->wr.send_flags = IB_SEND_SIGNALED;
else
- send_wr->next = &wr->send_wr[i + 1];
+ rdma_wr->wr.next = &wr->rdma_wr[i + 1].wr;
}
ib_sge_cnt = isert_build_rdma_wr(isert_conn, isert_cmd, ib_sge,
- send_wr, data_len, offset);
+ rdma_wr, data_len, offset);
ib_sge += ib_sge_cnt;
offset += data_len;
@@ -2535,45 +2498,6 @@ unmap_cmd:
return ret;
}
-static int
-isert_map_fr_pagelist(struct ib_device *ib_dev,
- struct scatterlist *sg_start, int sg_nents, u64 *fr_pl)
-{
- u64 start_addr, end_addr, page, chunk_start = 0;
- struct scatterlist *tmp_sg;
- int i = 0, new_chunk, last_ent, n_pages;
-
- n_pages = 0;
- new_chunk = 1;
- last_ent = sg_nents - 1;
- for_each_sg(sg_start, tmp_sg, sg_nents, i) {
- start_addr = ib_sg_dma_address(ib_dev, tmp_sg);
- if (new_chunk)
- chunk_start = start_addr;
- end_addr = start_addr + ib_sg_dma_len(ib_dev, tmp_sg);
-
- isert_dbg("SGL[%d] dma_addr: 0x%llx len: %u\n",
- i, (unsigned long long)tmp_sg->dma_address,
- tmp_sg->length);
-
- if ((end_addr & ~PAGE_MASK) && i < last_ent) {
- new_chunk = 0;
- continue;
- }
- new_chunk = 1;
-
- page = chunk_start & PAGE_MASK;
- do {
- fr_pl[n_pages++] = page;
- isert_dbg("Mapped page_list[%d] page_addr: 0x%llx\n",
- n_pages - 1, page);
- page += PAGE_SIZE;
- } while (page < end_addr);
- }
-
- return n_pages;
-}
-
static inline void
isert_inv_rkey(struct ib_send_wr *inv_wr, struct ib_mr *mr)
{
@@ -2599,11 +2523,9 @@ isert_fast_reg_mr(struct isert_conn *isert_conn,
struct isert_device *device = isert_conn->device;
struct ib_device *ib_dev = device->ib_device;
struct ib_mr *mr;
- struct ib_fast_reg_page_list *frpl;
- struct ib_send_wr fr_wr, inv_wr;
- struct ib_send_wr *bad_wr, *wr = NULL;
- int ret, pagelist_len;
- u32 page_off;
+ struct ib_reg_wr reg_wr;
+ struct ib_send_wr inv_wr, *bad_wr, *wr = NULL;
+ int ret, n;
if (mem->dma_nents == 1) {
sge->lkey = device->pd->local_dma_lkey;
@@ -2614,45 +2536,41 @@ isert_fast_reg_mr(struct isert_conn *isert_conn,
return 0;
}
- if (ind == ISERT_DATA_KEY_VALID) {
+ if (ind == ISERT_DATA_KEY_VALID)
/* Registering data buffer */
mr = fr_desc->data_mr;
- frpl = fr_desc->data_frpl;
- } else {
+ else
/* Registering protection buffer */
mr = fr_desc->pi_ctx->prot_mr;
- frpl = fr_desc->pi_ctx->prot_frpl;
- }
-
- page_off = mem->offset % PAGE_SIZE;
-
- isert_dbg("Use fr_desc %p sg_nents %d offset %u\n",
- fr_desc, mem->nents, mem->offset);
-
- pagelist_len = isert_map_fr_pagelist(ib_dev, mem->sg, mem->nents,
- &frpl->page_list[0]);
if (!(fr_desc->ind & ind)) {
isert_inv_rkey(&inv_wr, mr);
wr = &inv_wr;
}
- /* Prepare FASTREG WR */
- memset(&fr_wr, 0, sizeof(fr_wr));
- fr_wr.wr_id = ISER_FASTREG_LI_WRID;
- fr_wr.opcode = IB_WR_FAST_REG_MR;
- fr_wr.wr.fast_reg.iova_start = frpl->page_list[0] + page_off;
- fr_wr.wr.fast_reg.page_list = frpl;
- fr_wr.wr.fast_reg.page_list_len = pagelist_len;
- fr_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
- fr_wr.wr.fast_reg.length = mem->len;
- fr_wr.wr.fast_reg.rkey = mr->rkey;
- fr_wr.wr.fast_reg.access_flags = IB_ACCESS_LOCAL_WRITE;
+ n = ib_map_mr_sg(mr, mem->sg, mem->nents, PAGE_SIZE);
+ if (unlikely(n != mem->nents)) {
+ isert_err("failed to map mr sg (%d/%d)\n",
+ n, mem->nents);
+ return n < 0 ? n : -EINVAL;
+ }
+
+ isert_dbg("Use fr_desc %p sg_nents %d offset %u\n",
+ fr_desc, mem->nents, mem->offset);
+
+ reg_wr.wr.next = NULL;
+ reg_wr.wr.opcode = IB_WR_REG_MR;
+ reg_wr.wr.wr_id = ISER_FASTREG_LI_WRID;
+ reg_wr.wr.send_flags = 0;
+ reg_wr.wr.num_sge = 0;
+ reg_wr.mr = mr;
+ reg_wr.key = mr->lkey;
+ reg_wr.access = IB_ACCESS_LOCAL_WRITE;
if (!wr)
- wr = &fr_wr;
+ wr = &reg_wr.wr;
else
- wr->next = &fr_wr;
+ wr->next = &reg_wr.wr;
ret = ib_post_send(isert_conn->qp, wr, &bad_wr);
if (ret) {
@@ -2662,8 +2580,8 @@ isert_fast_reg_mr(struct isert_conn *isert_conn,
fr_desc->ind &= ~ind;
sge->lkey = mr->lkey;
- sge->addr = frpl->page_list[0] + page_off;
- sge->length = mem->len;
+ sge->addr = mr->iova;
+ sge->length = mr->length;
isert_dbg("sge: addr: 0x%llx length: %u lkey: %x\n",
sge->addr, sge->length, sge->lkey);
@@ -2733,8 +2651,8 @@ isert_reg_sig_mr(struct isert_conn *isert_conn,
struct isert_rdma_wr *rdma_wr,
struct fast_reg_descriptor *fr_desc)
{
- struct ib_send_wr sig_wr, inv_wr;
- struct ib_send_wr *bad_wr, *wr = NULL;
+ struct ib_sig_handover_wr sig_wr;
+ struct ib_send_wr inv_wr, *bad_wr, *wr = NULL;
struct pi_context *pi_ctx = fr_desc->pi_ctx;
struct ib_sig_attrs sig_attrs;
int ret;
@@ -2752,20 +2670,20 @@ isert_reg_sig_mr(struct isert_conn *isert_conn,
}
memset(&sig_wr, 0, sizeof(sig_wr));
- sig_wr.opcode = IB_WR_REG_SIG_MR;
- sig_wr.wr_id = ISER_FASTREG_LI_WRID;
- sig_wr.sg_list = &rdma_wr->ib_sg[DATA];
- sig_wr.num_sge = 1;
- sig_wr.wr.sig_handover.access_flags = IB_ACCESS_LOCAL_WRITE;
- sig_wr.wr.sig_handover.sig_attrs = &sig_attrs;
- sig_wr.wr.sig_handover.sig_mr = pi_ctx->sig_mr;
+ sig_wr.wr.opcode = IB_WR_REG_SIG_MR;
+ sig_wr.wr.wr_id = ISER_FASTREG_LI_WRID;
+ sig_wr.wr.sg_list = &rdma_wr->ib_sg[DATA];
+ sig_wr.wr.num_sge = 1;
+ sig_wr.access_flags = IB_ACCESS_LOCAL_WRITE;
+ sig_wr.sig_attrs = &sig_attrs;
+ sig_wr.sig_mr = pi_ctx->sig_mr;
if (se_cmd->t_prot_sg)
- sig_wr.wr.sig_handover.prot = &rdma_wr->ib_sg[PROT];
+ sig_wr.prot = &rdma_wr->ib_sg[PROT];
if (!wr)
- wr = &sig_wr;
+ wr = &sig_wr.wr;
else
- wr->next = &sig_wr;
+ wr->next = &sig_wr.wr;
ret = ib_post_send(isert_conn->qp, wr, &bad_wr);
if (ret) {
@@ -2859,7 +2777,7 @@ isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
struct isert_conn *isert_conn = conn->context;
struct fast_reg_descriptor *fr_desc = NULL;
- struct ib_send_wr *send_wr;
+ struct ib_rdma_wr *rdma_wr;
struct ib_sge *ib_sg;
u32 offset;
int ret = 0;
@@ -2900,26 +2818,26 @@ isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
memcpy(&wr->s_ib_sge, ib_sg, sizeof(*ib_sg));
wr->ib_sge = &wr->s_ib_sge;
- wr->send_wr_num = 1;
- memset(&wr->s_send_wr, 0, sizeof(*send_wr));
- wr->send_wr = &wr->s_send_wr;
+ wr->rdma_wr_num = 1;
+ memset(&wr->s_rdma_wr, 0, sizeof(wr->s_rdma_wr));
+ wr->rdma_wr = &wr->s_rdma_wr;
wr->isert_cmd = isert_cmd;
- send_wr = &isert_cmd->rdma_wr.s_send_wr;
- send_wr->sg_list = &wr->s_ib_sge;
- send_wr->num_sge = 1;
- send_wr->wr_id = (uintptr_t)&isert_cmd->tx_desc;
+ rdma_wr = &isert_cmd->rdma_wr.s_rdma_wr;
+ rdma_wr->wr.sg_list = &wr->s_ib_sge;
+ rdma_wr->wr.num_sge = 1;
+ rdma_wr->wr.wr_id = (uintptr_t)&isert_cmd->tx_desc;
if (wr->iser_ib_op == ISER_IB_RDMA_WRITE) {
- send_wr->opcode = IB_WR_RDMA_WRITE;
- send_wr->wr.rdma.remote_addr = isert_cmd->read_va;
- send_wr->wr.rdma.rkey = isert_cmd->read_stag;
- send_wr->send_flags = !isert_prot_cmd(isert_conn, se_cmd) ?
+ rdma_wr->wr.opcode = IB_WR_RDMA_WRITE;
+ rdma_wr->remote_addr = isert_cmd->read_va;
+ rdma_wr->rkey = isert_cmd->read_stag;
+ rdma_wr->wr.send_flags = !isert_prot_cmd(isert_conn, se_cmd) ?
0 : IB_SEND_SIGNALED;
} else {
- send_wr->opcode = IB_WR_RDMA_READ;
- send_wr->wr.rdma.remote_addr = isert_cmd->write_va;
- send_wr->wr.rdma.rkey = isert_cmd->write_stag;
- send_wr->send_flags = IB_SEND_SIGNALED;
+ rdma_wr->wr.opcode = IB_WR_RDMA_READ;
+ rdma_wr->remote_addr = isert_cmd->write_va;
+ rdma_wr->rkey = isert_cmd->write_stag;
+ rdma_wr->wr.send_flags = IB_SEND_SIGNALED;
}
return 0;
@@ -2967,8 +2885,8 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
isert_init_tx_hdrs(isert_conn, &isert_cmd->tx_desc);
isert_init_send_wr(isert_conn, isert_cmd,
&isert_cmd->tx_desc.send_wr);
- isert_cmd->rdma_wr.s_send_wr.next = &isert_cmd->tx_desc.send_wr;
- wr->send_wr_num += 1;
+ isert_cmd->rdma_wr.s_rdma_wr.wr.next = &isert_cmd->tx_desc.send_wr;
+ wr->rdma_wr_num += 1;
rc = isert_post_recv(isert_conn, isert_cmd->rx_desc);
if (rc) {
@@ -2977,7 +2895,7 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
}
}
- rc = ib_post_send(isert_conn->qp, wr->send_wr, &wr_failed);
+ rc = ib_post_send(isert_conn->qp, &wr->rdma_wr->wr, &wr_failed);
if (rc)
isert_warn("ib_post_send() failed for IB_WR_RDMA_WRITE\n");
@@ -3011,7 +2929,7 @@ isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery)
return rc;
}
- rc = ib_post_send(isert_conn->qp, wr->send_wr, &wr_failed);
+ rc = ib_post_send(isert_conn->qp, &wr->rdma_wr->wr, &wr_failed);
if (rc)
isert_warn("ib_post_send() failed for IB_WR_RDMA_READ\n");
@@ -3097,7 +3015,7 @@ isert_setup_id(struct isert_np *isert_np)
sa = (struct sockaddr *)&np->np_sockaddr;
isert_dbg("ksockaddr: %p, sa: %p\n", &np->np_sockaddr, sa);
- id = rdma_create_id(isert_cma_handler, isert_np,
+ id = rdma_create_id(&init_net, isert_cma_handler, isert_np,
RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(id)) {
isert_err("rdma_create_id() failed: %ld\n", PTR_ERR(id));
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index c5b99bcec..3d7fbc47c 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -84,14 +84,12 @@ enum isert_indicator {
struct pi_context {
struct ib_mr *prot_mr;
- struct ib_fast_reg_page_list *prot_frpl;
struct ib_mr *sig_mr;
};
struct fast_reg_descriptor {
struct list_head list;
struct ib_mr *data_mr;
- struct ib_fast_reg_page_list *data_frpl;
u8 ind;
struct pi_context *pi_ctx;
};
@@ -117,9 +115,9 @@ struct isert_rdma_wr {
enum iser_ib_op_code iser_ib_op;
struct ib_sge *ib_sge;
struct ib_sge s_ib_sge;
- int send_wr_num;
- struct ib_send_wr *send_wr;
- struct ib_send_wr s_send_wr;
+ int rdma_wr_num;
+ struct ib_rdma_wr *rdma_wr;
+ struct ib_rdma_wr s_rdma_wr;
struct ib_sge ib_sg[3];
struct isert_data_buf data;
struct isert_data_buf prot;