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scsi: csiostor: switch to generic DMA API 

Switch from the legacy PCI DMA API to the generic DMA API.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
hifive-unleashed-5.1
Christoph Hellwig 2018-10-10 18:34:51 +02:00 committed by Martin K. Petersen
parent 26a4c991af
commit c22b332d81
4 changed files with 20 additions and 22 deletions
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7
drivers/scsi/csiostor/csio_init.c
View File

@ -210,11 +210,8 @@ csio_pci_init(struct pci_dev *pdev, int *bars)
pci_set_master(pdev);
pci_try_set_mwi(pdev);
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
} else {
if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) ||
dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) {
dev_err(&pdev->dev, "No suitable DMA available.\n");
goto err_release_regions;
}

6
drivers/scsi/csiostor/csio_lnode.c
View File

@ -1845,8 +1845,8 @@ csio_ln_fdmi_init(struct csio_lnode *ln)
/* Allocate Dma buffers for FDMI response Payload */
dma_buf = &ln->mgmt_req->dma_buf;
dma_buf->len = 2048;
dma_buf->vaddr = pci_alloc_consistent(hw->pdev, dma_buf->len,
&dma_buf->paddr);
dma_buf->vaddr = dma_alloc_coherent(&hw->pdev->dev, dma_buf->len,
&dma_buf->paddr, GFP_KERNEL);
if (!dma_buf->vaddr) {
csio_err(hw, "Failed to alloc DMA buffer for FDMI!\n");
kfree(ln->mgmt_req);
@ -1873,7 +1873,7 @@ csio_ln_fdmi_exit(struct csio_lnode *ln)
dma_buf = &ln->mgmt_req->dma_buf;
if (dma_buf->vaddr)
pci_free_consistent(hw->pdev, dma_buf->len, dma_buf->vaddr,
dma_free_coherent(&hw->pdev->dev, dma_buf->len, dma_buf->vaddr,
dma_buf->paddr);
kfree(ln->mgmt_req);

12
drivers/scsi/csiostor/csio_scsi.c
View File

@ -2349,8 +2349,8 @@ csio_scsi_alloc_ddp_bufs(struct csio_scsim *scm, struct csio_hw *hw,
}
/* Allocate Dma buffers for DDP */
ddp_desc->vaddr = pci_alloc_consistent(hw->pdev, unit_size,
&ddp_desc->paddr);
ddp_desc->vaddr = dma_alloc_coherent(&hw->pdev->dev, unit_size,
&ddp_desc->paddr, GFP_KERNEL);
if (!ddp_desc->vaddr) {
csio_err(hw,
"SCSI response DMA buffer (ddp) allocation"
@ -2372,8 +2372,8 @@ no_mem:
list_for_each(tmp, &scm->ddp_freelist) {
ddp_desc = (struct csio_dma_buf *) tmp;
tmp = csio_list_prev(tmp);
pci_free_consistent(hw->pdev, ddp_desc->len, ddp_desc->vaddr,
ddp_desc->paddr);
dma_free_coherent(&hw->pdev->dev, ddp_desc->len,
ddp_desc->vaddr, ddp_desc->paddr);
list_del_init(&ddp_desc->list);
kfree(ddp_desc);
}
@ -2399,8 +2399,8 @@ csio_scsi_free_ddp_bufs(struct csio_scsim *scm, struct csio_hw *hw)
list_for_each(tmp, &scm->ddp_freelist) {
ddp_desc = (struct csio_dma_buf *) tmp;
tmp = csio_list_prev(tmp);
pci_free_consistent(hw->pdev, ddp_desc->len, ddp_desc->vaddr,
ddp_desc->paddr);
dma_free_coherent(&hw->pdev->dev, ddp_desc->len,
ddp_desc->vaddr, ddp_desc->paddr);
list_del_init(&ddp_desc->list);
kfree(ddp_desc);
}

17
drivers/scsi/csiostor/csio_wr.c
View File

@ -124,8 +124,8 @@ csio_wr_fill_fl(struct csio_hw *hw, struct csio_q *flq)
while (n--) {
buf->len = sge->sge_fl_buf_size[sreg];
buf->vaddr = pci_alloc_consistent(hw->pdev, buf->len,
&buf->paddr);
buf->vaddr = dma_alloc_coherent(&hw->pdev->dev, buf->len,
&buf->paddr, GFP_KERNEL);
if (!buf->vaddr) {
csio_err(hw, "Could only fill %d buffers!\n", n + 1);
return -ENOMEM;
@ -233,7 +233,8 @@ csio_wr_alloc_q(struct csio_hw *hw, uint32_t qsize, uint32_t wrsize,
q = wrm->q_arr[free_idx];
q->vstart = pci_zalloc_consistent(hw->pdev, qsz, &q->pstart);
q->vstart = dma_zalloc_coherent(&hw->pdev->dev, qsz, &q->pstart,
GFP_KERNEL);
if (!q->vstart) {
csio_err(hw,
"Failed to allocate DMA memory for "
@ -1703,14 +1704,14 @@ csio_wrm_exit(struct csio_wrm *wrm, struct csio_hw *hw)
buf = &q->un.fl.bufs[j];
if (!buf->vaddr)
continue;
pci_free_consistent(hw->pdev, buf->len,
buf->vaddr,
buf->paddr);
dma_free_coherent(&hw->pdev->dev,
buf->len, buf->vaddr,
buf->paddr);
}
kfree(q->un.fl.bufs);
}
pci_free_consistent(hw->pdev, q->size,
q->vstart, q->pstart);
dma_free_coherent(&hw->pdev->dev, q->size,
q->vstart, q->pstart);
}
kfree(q);
}