Switch from the legacy PCI DMA API to the generic DMA API.
Signed-off-by: Christoph Hellwig <h...@lst.de>
Reviewed-by: Johannes Thumshirn <jthumsh...@suse.de>
---
drivers/scsi/fnic/fnic_fcs.c | 41 +++++++++++++++--------------------
drivers/scsi/fnic/fnic_main.c | 19 ++--------------
drivers/scsi/fnic/fnic_scsi.c | 38 ++++++++++++++------------------
drivers/scsi/fnic/vnic_dev.c | 26 +++++++++++-----------
4 files changed, 49 insertions(+), 75 deletions(-)
diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
index c7bf316d8e83..844ef688fa91 100644
--- a/drivers/scsi/fnic/fnic_fcs.c
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -836,8 +836,8 @@ static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq,
struct cq_desc
u32 fcp_bytes_written = 0;
unsigned long flags;
- pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len,
+ DMA_FROM_DEVICE);
skb = buf->os_buf;
fp = (struct fc_frame *)skb;
buf->os_buf = NULL;
@@ -977,9 +977,8 @@ int fnic_alloc_rq_frame(struct vnic_rq *rq)
skb_reset_transport_header(skb);
skb_reset_network_header(skb);
skb_put(skb, len);
- pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE);
-
- if (pci_dma_mapping_error(fnic->pdev, pa)) {
+ pa = dma_map_single(&fnic->pdev->dev, skb->data, len, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&fnic->pdev->dev, pa)) {
r = -ENOMEM;
printk(KERN_ERR "PCI mapping failed with error %d\n", r);
goto free_skb;
@@ -998,8 +997,8 @@ void fnic_free_rq_buf(struct vnic_rq *rq, struct
vnic_rq_buf *buf)
struct fc_frame *fp = buf->os_buf;
struct fnic *fnic = vnic_dev_priv(rq->vdev);
- pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len,
+ DMA_FROM_DEVICE);
dev_kfree_skb(fp_skb(fp));
buf->os_buf = NULL;
@@ -1018,7 +1017,6 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct sk_buff
*skb)
struct ethhdr *eth_hdr;
struct vlan_ethhdr *vlan_hdr;
unsigned long flags;
- int r;
if (!fnic->vlan_hw_insert) {
eth_hdr = (struct ethhdr *)skb_mac_header(skb);
@@ -1038,11 +1036,10 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct
sk_buff *skb)
}
}
- pa = pci_map_single(fnic->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
-
- r = pci_dma_mapping_error(fnic->pdev, pa);
- if (r) {
- printk(KERN_ERR "PCI mapping failed with error %d\n", r);
+ pa = dma_map_single(&fnic->pdev->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(&fnic->pdev->dev, pa)) {
+ printk(KERN_ERR "DMA mapping failed\n");
goto free_skb;
}
@@ -1058,7 +1055,7 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct sk_buff
*skb)
irq_restore:
spin_unlock_irqrestore(&fnic->wq_lock[0], flags);
- pci_unmap_single(fnic->pdev, pa, skb->len, PCI_DMA_TODEVICE);
+ dma_unmap_single(&fnic->pdev->dev, pa, skb->len, DMA_TO_DEVICE);
free_skb:
kfree_skb(skb);
}
@@ -1115,9 +1112,8 @@ static int fnic_send_frame(struct fnic *fnic, struct
fc_frame *fp)
if (FC_FCOE_VER)
FC_FCOE_ENCAPS_VER(fcoe_hdr, FC_FCOE_VER);
- pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE);
-
- if (pci_dma_mapping_error(fnic->pdev, pa)) {
+ pa = dma_map_single(&fnic->pdev->dev, eth_hdr, tot_len, DMA_TO_DEVICE);
+ if (dma_mapping_error(&fnic->pdev->dev, pa)) {
ret = -ENOMEM;
printk(KERN_ERR "DMA map failed with error %d\n", ret);
goto free_skb_on_err;
@@ -1131,8 +1127,7 @@ static int fnic_send_frame(struct fnic *fnic, struct
fc_frame *fp)
spin_lock_irqsave(&fnic->wq_lock[0], flags);
if (!vnic_wq_desc_avail(wq)) {
- pci_unmap_single(fnic->pdev, pa,
- tot_len, PCI_DMA_TODEVICE);
+ dma_unmap_single(&fnic->pdev->dev, pa, tot_len, DMA_TO_DEVICE);
ret = -1;
goto irq_restore;
}
@@ -1247,8 +1242,8 @@ static void fnic_wq_complete_frame_send(struct vnic_wq
*wq,
struct fc_frame *fp = (struct fc_frame *)skb;
struct fnic *fnic = vnic_dev_priv(wq->vdev);
- pci_unmap_single(fnic->pdev, buf->dma_addr,
- buf->len, PCI_DMA_TODEVICE);
+ dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len,
+ DMA_TO_DEVICE);
dev_kfree_skb_irq(fp_skb(fp));
buf->os_buf = NULL;
}
@@ -1290,8 +1285,8 @@ void fnic_free_wq_buf(struct vnic_wq *wq, struct
vnic_wq_buf *buf)
struct fc_frame *fp = buf->os_buf;
struct fnic *fnic = vnic_dev_priv(wq->vdev);
- pci_unmap_single(fnic->pdev, buf->dma_addr,
- buf->len, PCI_DMA_TODEVICE);
+ dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len,
+ DMA_TO_DEVICE);
dev_kfree_skb(fp_skb(fp));
buf->os_buf = NULL;
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index e52599f44170..cc461fd7bef1 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -611,30 +611,15 @@ static int fnic_probe(struct pci_dev *pdev, const struct
pci_device_id *ent)
* limitation for the device. Try 64-bit first, and
* fail to 32-bit.
*/
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (err) {
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
shost_printk(KERN_ERR, fnic->lport->host,
"No usable DMA configuration "
"aborting\n");
goto err_out_release_regions;
}
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
- if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Unable to obtain 32-bit DMA "
- "for consistent allocations, aborting.\n");
- goto err_out_release_regions;
- }
- } else {
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
- if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Unable to obtain 64-bit DMA "
- "for consistent allocations, aborting.\n");
- goto err_out_release_regions;
- }
}
/* Map vNIC resources from BAR0 */
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 8cbd3c9f0b4c..12a2f8fa4d19 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -126,17 +126,17 @@ static void fnic_release_ioreq_buf(struct fnic *fnic,
struct scsi_cmnd *sc)
{
if (io_req->sgl_list_pa)
- pci_unmap_single(fnic->pdev, io_req->sgl_list_pa,
+ dma_unmap_single(&fnic->pdev->dev, io_req->sgl_list_pa,
sizeof(io_req->sgl_list[0]) * io_req->sgl_cnt,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
scsi_dma_unmap(sc);
if (io_req->sgl_cnt)
mempool_free(io_req->sgl_list_alloc,
fnic->io_sgl_pool[io_req->sgl_type]);
if (io_req->sense_buf_pa)
- pci_unmap_single(fnic->pdev, io_req->sense_buf_pa,
- SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&fnic->pdev->dev, io_req->sense_buf_pa,
+ SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
}
/* Free up Copy Wq descriptors. Called with copy_wq lock held */
@@ -330,7 +330,6 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
int flags;
u8 exch_flags;
struct scsi_lun fc_lun;
- int r;
if (sg_count) {
/* For each SGE, create a device desc entry */
@@ -342,30 +341,25 @@ static inline int fnic_queue_wq_copy_desc(struct fnic
*fnic,
desc++;
}
- io_req->sgl_list_pa = pci_map_single
- (fnic->pdev,
- io_req->sgl_list,
- sizeof(io_req->sgl_list[0]) * sg_count,
- PCI_DMA_TODEVICE);
-
- r = pci_dma_mapping_error(fnic->pdev, io_req->sgl_list_pa);
- if (r) {
- printk(KERN_ERR "PCI mapping failed with error %d\n",
r);
+ io_req->sgl_list_pa = dma_map_single(&fnic->pdev->dev,
+ io_req->sgl_list,
+ sizeof(io_req->sgl_list[0]) * sg_count,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(&fnic->pdev->dev, io_req->sgl_list_pa)) {
+ printk(KERN_ERR "DMA mapping failed\n");
return SCSI_MLQUEUE_HOST_BUSY;
}
}
- io_req->sense_buf_pa = pci_map_single(fnic->pdev,
+ io_req->sense_buf_pa = dma_map_single(&fnic->pdev->dev,
sc->sense_buffer,
SCSI_SENSE_BUFFERSIZE,
- PCI_DMA_FROMDEVICE);
-
- r = pci_dma_mapping_error(fnic->pdev, io_req->sense_buf_pa);
- if (r) {
- pci_unmap_single(fnic->pdev, io_req->sgl_list_pa,
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&fnic->pdev->dev, io_req->sense_buf_pa)) {
+ dma_unmap_single(&fnic->pdev->dev, io_req->sgl_list_pa,
sizeof(io_req->sgl_list[0]) * sg_count,
- PCI_DMA_TODEVICE);
- printk(KERN_ERR "PCI mapping failed with error %d\n", r);
+ DMA_TO_DEVICE);
+ printk(KERN_ERR "DMA mapping failed\n");
return SCSI_MLQUEUE_HOST_BUSY;
}
diff --git a/drivers/scsi/fnic/vnic_dev.c b/drivers/scsi/fnic/vnic_dev.c
index ba69d6112fa1..434447ea24b8 100644
--- a/drivers/scsi/fnic/vnic_dev.c
+++ b/drivers/scsi/fnic/vnic_dev.c
@@ -195,9 +195,9 @@ int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct
vnic_dev_ring *ring,
{
vnic_dev_desc_ring_size(ring, desc_count, desc_size);
- ring->descs_unaligned = pci_alloc_consistent(vdev->pdev,
+ ring->descs_unaligned = dma_alloc_coherent(&vdev->pdev->dev,
ring->size_unaligned,
- &ring->base_addr_unaligned);
+ &ring->base_addr_unaligned, GFP_KERNEL);
if (!ring->descs_unaligned) {
printk(KERN_ERR
@@ -221,7 +221,7 @@ int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct
vnic_dev_ring *ring,
void vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring)
{
if (ring->descs) {
- pci_free_consistent(vdev->pdev,
+ dma_free_coherent(&vdev->pdev->dev,
ring->size_unaligned,
ring->descs_unaligned,
ring->base_addr_unaligned);
@@ -298,9 +298,9 @@ int vnic_dev_fw_info(struct vnic_dev *vdev,
int err = 0;
if (!vdev->fw_info) {
- vdev->fw_info = pci_alloc_consistent(vdev->pdev,
+ vdev->fw_info = dma_alloc_coherent(&vdev->pdev->dev,
sizeof(struct vnic_devcmd_fw_info),
- &vdev->fw_info_pa);
+ &vdev->fw_info_pa, GFP_KERNEL);
if (!vdev->fw_info)
return -ENOMEM;
@@ -361,8 +361,8 @@ int vnic_dev_stats_dump(struct vnic_dev *vdev, struct
vnic_stats **stats)
int wait = 1000;
if (!vdev->stats) {
- vdev->stats = pci_alloc_consistent(vdev->pdev,
- sizeof(struct vnic_stats), &vdev->stats_pa);
+ vdev->stats = dma_alloc_coherent(&vdev->pdev->dev,
+ sizeof(struct vnic_stats), &vdev->stats_pa, GFP_KERNEL);
if (!vdev->stats)
return -ENOMEM;
}
@@ -523,9 +523,9 @@ int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
int wait = 1000;
if (!vdev->notify) {
- vdev->notify = pci_alloc_consistent(vdev->pdev,
+ vdev->notify = dma_alloc_coherent(&vdev->pdev->dev,
sizeof(struct vnic_devcmd_notify),
- &vdev->notify_pa);
+ &vdev->notify_pa, GFP_KERNEL);
if (!vdev->notify)
return -ENOMEM;
}
@@ -647,21 +647,21 @@ void vnic_dev_unregister(struct vnic_dev *vdev)
{
if (vdev) {
if (vdev->notify)
- pci_free_consistent(vdev->pdev,
+ dma_free_coherent(&vdev->pdev->dev,
sizeof(struct vnic_devcmd_notify),
vdev->notify,
vdev->notify_pa);
if (vdev->linkstatus)
- pci_free_consistent(vdev->pdev,
+ dma_free_coherent(&vdev->pdev->dev,
sizeof(u32),
vdev->linkstatus,
vdev->linkstatus_pa);
if (vdev->stats)
- pci_free_consistent(vdev->pdev,
+ dma_free_coherent(&vdev->pdev->dev,
sizeof(struct vnic_stats),
vdev->stats, vdev->stats_pa);
if (vdev->fw_info)
- pci_free_consistent(vdev->pdev,
+ dma_free_coherent(&vdev->pdev->dev,
sizeof(struct vnic_devcmd_fw_info),
vdev->fw_info, vdev->fw_info_pa);
kfree(vdev);
--
2.19.1
