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Message-ID: <20170112190718.6728-20-bart.vanassche@sandisk.com>
Date: Thu, 12 Jan 2017 11:07:11 -0800
From: Bart Van Assche <bart.vanassche@...disk.com>
To: Doug Ledford <dledford@...hat.com>
CC: <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
Bart Van Assche <bart.vanassche@...disk.com>
Subject: [PATCH v2 19/26] IB/srp: Inline ib_dma_map_*() functions
Signed-off-by: Bart Van Assche <bart.vanassche@...disk.com>
Reviewed-by: Christoph Hellwig <hch@....de>
Reviewed-by: Sagi Grimberg <sagi@...mberg.me>
---
drivers/infiniband/ulp/srp/ib_srp.c | 80 +++++++++++++++++--------------------
1 file changed, 37 insertions(+), 43 deletions(-)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index cd150c19d0d2..3b411c40a8ab 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -233,9 +233,9 @@ static struct srp_iu *srp_alloc_iu(struct srp_host *host, size_t size,
if (!iu->buf)
goto out_free_iu;
- iu->dma = ib_dma_map_single(host->srp_dev->dev, iu->buf, size,
- direction);
- if (ib_dma_mapping_error(host->srp_dev->dev, iu->dma))
+ iu->dma = dma_map_single(host->srp_dev->dev->dma_device, iu->buf, size,
+ direction);
+ if (dma_mapping_error(host->srp_dev->dev->dma_device, iu->dma))
goto out_free_buf;
iu->size = size;
@@ -256,8 +256,8 @@ static void srp_free_iu(struct srp_host *host, struct srp_iu *iu)
if (!iu)
return;
- ib_dma_unmap_single(host->srp_dev->dev, iu->dma, iu->size,
- iu->direction);
+ dma_unmap_single(host->srp_dev->dev->dma_device, iu->dma, iu->size,
+ iu->direction);
kfree(iu->buf);
kfree(iu);
}
@@ -843,9 +843,8 @@ static void srp_free_req_data(struct srp_target_port *target,
kfree(req->map_page);
}
if (req->indirect_dma_addr) {
- ib_dma_unmap_single(ibdev, req->indirect_dma_addr,
- target->indirect_size,
- DMA_TO_DEVICE);
+ dma_unmap_single(ibdev->dma_device, req->indirect_dma_addr,
+ target->indirect_size, DMA_TO_DEVICE);
}
kfree(req->indirect_desc);
}
@@ -888,10 +887,9 @@ static int srp_alloc_req_data(struct srp_rdma_ch *ch)
if (!req->indirect_desc)
goto out;
- dma_addr = ib_dma_map_single(ibdev, req->indirect_desc,
- target->indirect_size,
- DMA_TO_DEVICE);
- if (ib_dma_mapping_error(ibdev, dma_addr))
+ dma_addr = dma_map_single(ibdev->dma_device, req->indirect_desc,
+ target->indirect_size, DMA_TO_DEVICE);
+ if (dma_mapping_error(ibdev->dma_device, dma_addr))
goto out;
req->indirect_dma_addr = dma_addr;
@@ -1096,8 +1094,8 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd,
ib_fmr_pool_unmap(*pfmr);
}
- ib_dma_unmap_sg(ibdev, scsi_sglist(scmnd), scsi_sg_count(scmnd),
- scmnd->sc_data_direction);
+ dma_unmap_sg(ibdev->dma_device, scsi_sglist(scmnd), scsi_sg_count(scmnd),
+ scmnd->sc_data_direction);
}
/**
@@ -1411,8 +1409,7 @@ static int srp_map_finish_fr(struct srp_map_state *state,
*state->fr.next++ = desc;
state->nmdesc++;
- srp_map_desc(state, desc->mr->iova,
- desc->mr->length, desc->mr->rkey);
+ srp_map_desc(state, desc->mr->iova, desc->mr->length, desc->mr->rkey);
err = ib_post_send(ch->qp, &wr.wr, &bad_wr);
if (unlikely(err)) {
@@ -1429,9 +1426,8 @@ static int srp_map_sg_entry(struct srp_map_state *state,
{
struct srp_target_port *target = ch->target;
struct srp_device *dev = target->srp_host->srp_dev;
- struct ib_device *ibdev = dev->dev;
- dma_addr_t dma_addr = ib_sg_dma_address(ibdev, sg);
- unsigned int dma_len = ib_sg_dma_len(ibdev, sg);
+ dma_addr_t dma_addr = sg_dma_address(sg);
+ unsigned int dma_len = sg_dma_len(sg);
unsigned int len = 0;
int ret;
@@ -1525,13 +1521,11 @@ static int srp_map_sg_dma(struct srp_map_state *state, struct srp_rdma_ch *ch,
int count)
{
struct srp_target_port *target = ch->target;
- struct srp_device *dev = target->srp_host->srp_dev;
struct scatterlist *sg;
int i;
for_each_sg(scat, sg, count, i) {
- srp_map_desc(state, ib_sg_dma_address(dev->dev, sg),
- ib_sg_dma_len(dev->dev, sg),
+ srp_map_desc(state, sg_dma_address(sg), sg_dma_len(sg),
target->pd->unsafe_global_rkey);
}
@@ -1659,7 +1653,7 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,
dev = target->srp_host->srp_dev;
ibdev = dev->dev;
- count = ib_dma_map_sg(ibdev, scat, nents, scmnd->sc_data_direction);
+ count = dma_map_sg(ibdev->dma_device, scat, nents, scmnd->sc_data_direction);
if (unlikely(count == 0))
return -EIO;
@@ -1691,9 +1685,9 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,
*/
struct srp_direct_buf *buf = (void *) cmd->add_data;
- buf->va = cpu_to_be64(ib_sg_dma_address(ibdev, scat));
+ buf->va = cpu_to_be64(sg_dma_address(scat));
buf->key = cpu_to_be32(pd->unsafe_global_rkey);
- buf->len = cpu_to_be32(ib_sg_dma_len(ibdev, scat));
+ buf->len = cpu_to_be32(sg_dma_len(scat));
req->nmdesc = 0;
/* Debugging help. */
@@ -1707,8 +1701,8 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,
*/
indirect_hdr = (void *) cmd->add_data;
- ib_dma_sync_single_for_cpu(ibdev, req->indirect_dma_addr,
- target->indirect_size, DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(ibdev->dma_device, req->indirect_dma_addr,
+ target->indirect_size, DMA_TO_DEVICE);
memset(&state, 0, sizeof(state));
state.desc = req->indirect_desc;
@@ -1789,8 +1783,8 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,
else
cmd->data_in_desc_cnt = count;
- ib_dma_sync_single_for_device(ibdev, req->indirect_dma_addr, table_len,
- DMA_TO_DEVICE);
+ dma_sync_single_for_device(ibdev->dma_device, req->indirect_dma_addr,
+ table_len, DMA_TO_DEVICE);
map_complete:
/* Debugging help. */
@@ -2084,9 +2078,9 @@ static int srp_response_common(struct srp_rdma_ch *ch, s32 req_delta,
return 1;
}
- ib_dma_sync_single_for_cpu(dev, iu->dma, len, DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(dev->dma_device, iu->dma, len, DMA_TO_DEVICE);
memcpy(iu->buf, rsp, len);
- ib_dma_sync_single_for_device(dev, iu->dma, len, DMA_TO_DEVICE);
+ dma_sync_single_for_device(dev->dma_device, iu->dma, len, DMA_TO_DEVICE);
err = srp_post_send(ch, iu, len);
if (err) {
@@ -2144,8 +2138,8 @@ static void srp_recv_done(struct ib_cq *cq, struct ib_wc *wc)
return;
}
- ib_dma_sync_single_for_cpu(dev, iu->dma, ch->max_ti_iu_len,
- DMA_FROM_DEVICE);
+ dma_sync_single_for_cpu(dev->dma_device, iu->dma, ch->max_ti_iu_len,
+ DMA_FROM_DEVICE);
opcode = *(u8 *) iu->buf;
@@ -2181,8 +2175,8 @@ static void srp_recv_done(struct ib_cq *cq, struct ib_wc *wc)
break;
}
- ib_dma_sync_single_for_device(dev, iu->dma, ch->max_ti_iu_len,
- DMA_FROM_DEVICE);
+ dma_sync_single_for_device(dev->dma_device, iu->dma, ch->max_ti_iu_len,
+ DMA_FROM_DEVICE);
res = srp_post_recv(ch, iu);
if (res != 0)
@@ -2267,8 +2261,8 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
req = &ch->req_ring[idx];
dev = target->srp_host->srp_dev->dev;
- ib_dma_sync_single_for_cpu(dev, iu->dma, target->max_iu_len,
- DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(dev->dma_device, iu->dma, target->max_iu_len,
+ DMA_TO_DEVICE);
scmnd->host_scribble = (void *) req;
@@ -2302,8 +2296,8 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
goto err_iu;
}
- ib_dma_sync_single_for_device(dev, iu->dma, target->max_iu_len,
- DMA_TO_DEVICE);
+ dma_sync_single_for_device(dev->dma_device, iu->dma, target->max_iu_len,
+ DMA_TO_DEVICE);
if (srp_post_send(ch, iu, len)) {
shost_printk(KERN_ERR, target->scsi_host, PFX "Send failed\n");
@@ -2689,8 +2683,8 @@ static int srp_send_tsk_mgmt(struct srp_rdma_ch *ch, u64 req_tag, u64 lun,
return -1;
}
- ib_dma_sync_single_for_cpu(dev, iu->dma, sizeof *tsk_mgmt,
- DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(dev->dma_device, iu->dma, sizeof *tsk_mgmt,
+ DMA_TO_DEVICE);
tsk_mgmt = iu->buf;
memset(tsk_mgmt, 0, sizeof *tsk_mgmt);
@@ -2700,8 +2694,8 @@ static int srp_send_tsk_mgmt(struct srp_rdma_ch *ch, u64 req_tag, u64 lun,
tsk_mgmt->tsk_mgmt_func = func;
tsk_mgmt->task_tag = req_tag;
- ib_dma_sync_single_for_device(dev, iu->dma, sizeof *tsk_mgmt,
- DMA_TO_DEVICE);
+ dma_sync_single_for_device(dev->dma_device, iu->dma, sizeof *tsk_mgmt,
+ DMA_TO_DEVICE);
if (srp_post_send(ch, iu, sizeof(*tsk_mgmt))) {
srp_put_tx_iu(ch, iu, SRP_IU_TSK_MGMT);
mutex_unlock(&rport->mutex);
--
2.11.0
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