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author | Christoph Hellwig <hch@lst.de> | 2018-10-10 20:22:40 +0200 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-10-18 03:58:53 +0200 |
commit | 9b7ca6c24cb4bef2a704f34b4e11c471360d02a0 (patch) | |
tree | 5119965598998723711ac08d0ee533dda5f65a5e /drivers/scsi/vmw_pvscsi.c | |
parent | scsi: snic: switch to generic DMA API (diff) | |
download | linux-9b7ca6c24cb4bef2a704f34b4e11c471360d02a0.tar.xz linux-9b7ca6c24cb4bef2a704f34b4e11c471360d02a0.zip |
scsi: vmw_pscsi: 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>
Diffstat (limited to 'drivers/scsi/vmw_pvscsi.c')
-rw-r--r-- | drivers/scsi/vmw_pvscsi.c | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 0cd947f78b5b..6e491023fdd8 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -372,9 +372,9 @@ static int pvscsi_map_buffers(struct pvscsi_adapter *adapter, pvscsi_create_sg(ctx, sg, segs); e->flags |= PVSCSI_FLAG_CMD_WITH_SG_LIST; - ctx->sglPA = pci_map_single(adapter->dev, ctx->sgl, - SGL_SIZE, PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(adapter->dev, ctx->sglPA)) { + ctx->sglPA = dma_map_single(&adapter->dev->dev, + ctx->sgl, SGL_SIZE, DMA_TO_DEVICE); + if (dma_mapping_error(&adapter->dev->dev, ctx->sglPA)) { scmd_printk(KERN_ERR, cmd, "vmw_pvscsi: Failed to map ctx sglist for DMA.\n"); scsi_dma_unmap(cmd); @@ -389,9 +389,9 @@ static int pvscsi_map_buffers(struct pvscsi_adapter *adapter, * In case there is no S/G list, scsi_sglist points * directly to the buffer. */ - ctx->dataPA = pci_map_single(adapter->dev, sg, bufflen, + ctx->dataPA = dma_map_single(&adapter->dev->dev, sg, bufflen, cmd->sc_data_direction); - if (pci_dma_mapping_error(adapter->dev, ctx->dataPA)) { + if (dma_mapping_error(&adapter->dev->dev, ctx->dataPA)) { scmd_printk(KERN_ERR, cmd, "vmw_pvscsi: Failed to map direct data buffer for DMA.\n"); return -ENOMEM; @@ -417,23 +417,23 @@ static void pvscsi_unmap_buffers(const struct pvscsi_adapter *adapter, if (count != 0) { scsi_dma_unmap(cmd); if (ctx->sglPA) { - pci_unmap_single(adapter->dev, ctx->sglPA, - SGL_SIZE, PCI_DMA_TODEVICE); + dma_unmap_single(&adapter->dev->dev, ctx->sglPA, + SGL_SIZE, DMA_TO_DEVICE); ctx->sglPA = 0; } } else - pci_unmap_single(adapter->dev, ctx->dataPA, bufflen, - cmd->sc_data_direction); + dma_unmap_single(&adapter->dev->dev, ctx->dataPA, + bufflen, cmd->sc_data_direction); } if (cmd->sense_buffer) - pci_unmap_single(adapter->dev, ctx->sensePA, - SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE); + dma_unmap_single(&adapter->dev->dev, ctx->sensePA, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); } static int pvscsi_allocate_rings(struct pvscsi_adapter *adapter) { - adapter->rings_state = pci_alloc_consistent(adapter->dev, PAGE_SIZE, - &adapter->ringStatePA); + adapter->rings_state = dma_alloc_coherent(&adapter->dev->dev, PAGE_SIZE, + &adapter->ringStatePA, GFP_KERNEL); if (!adapter->rings_state) return -ENOMEM; @@ -441,17 +441,17 @@ static int pvscsi_allocate_rings(struct pvscsi_adapter *adapter) pvscsi_ring_pages); adapter->req_depth = adapter->req_pages * PVSCSI_MAX_NUM_REQ_ENTRIES_PER_PAGE; - adapter->req_ring = pci_alloc_consistent(adapter->dev, - adapter->req_pages * PAGE_SIZE, - &adapter->reqRingPA); + adapter->req_ring = dma_alloc_coherent(&adapter->dev->dev, + adapter->req_pages * PAGE_SIZE, &adapter->reqRingPA, + GFP_KERNEL); if (!adapter->req_ring) return -ENOMEM; adapter->cmp_pages = min(PVSCSI_MAX_NUM_PAGES_CMP_RING, pvscsi_ring_pages); - adapter->cmp_ring = pci_alloc_consistent(adapter->dev, - adapter->cmp_pages * PAGE_SIZE, - &adapter->cmpRingPA); + adapter->cmp_ring = dma_alloc_coherent(&adapter->dev->dev, + adapter->cmp_pages * PAGE_SIZE, &adapter->cmpRingPA, + GFP_KERNEL); if (!adapter->cmp_ring) return -ENOMEM; @@ -464,9 +464,9 @@ static int pvscsi_allocate_rings(struct pvscsi_adapter *adapter) adapter->msg_pages = min(PVSCSI_MAX_NUM_PAGES_MSG_RING, pvscsi_msg_ring_pages); - adapter->msg_ring = pci_alloc_consistent(adapter->dev, - adapter->msg_pages * PAGE_SIZE, - &adapter->msgRingPA); + adapter->msg_ring = dma_alloc_coherent(&adapter->dev->dev, + adapter->msg_pages * PAGE_SIZE, &adapter->msgRingPA, + GFP_KERNEL); if (!adapter->msg_ring) return -ENOMEM; BUG_ON(!IS_ALIGNED(adapter->msgRingPA, PAGE_SIZE)); @@ -708,10 +708,10 @@ static int pvscsi_queue_ring(struct pvscsi_adapter *adapter, e->lun[1] = sdev->lun; if (cmd->sense_buffer) { - ctx->sensePA = pci_map_single(adapter->dev, cmd->sense_buffer, - SCSI_SENSE_BUFFERSIZE, - PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(adapter->dev, ctx->sensePA)) { + ctx->sensePA = dma_map_single(&adapter->dev->dev, + cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, + DMA_FROM_DEVICE); + if (dma_mapping_error(&adapter->dev->dev, ctx->sensePA)) { scmd_printk(KERN_ERR, cmd, "vmw_pvscsi: Failed to map sense buffer for DMA.\n"); ctx->sensePA = 0; @@ -740,9 +740,9 @@ static int pvscsi_queue_ring(struct pvscsi_adapter *adapter, if (pvscsi_map_buffers(adapter, ctx, cmd, e) != 0) { if (cmd->sense_buffer) { - pci_unmap_single(adapter->dev, ctx->sensePA, + dma_unmap_single(&adapter->dev->dev, ctx->sensePA, SCSI_SENSE_BUFFERSIZE, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); ctx->sensePA = 0; } return -ENOMEM; @@ -1218,21 +1218,21 @@ static void pvscsi_release_resources(struct pvscsi_adapter *adapter) } if (adapter->rings_state) - pci_free_consistent(adapter->dev, PAGE_SIZE, + dma_free_coherent(&adapter->dev->dev, PAGE_SIZE, adapter->rings_state, adapter->ringStatePA); if (adapter->req_ring) - pci_free_consistent(adapter->dev, + dma_free_coherent(&adapter->dev->dev, adapter->req_pages * PAGE_SIZE, adapter->req_ring, adapter->reqRingPA); if (adapter->cmp_ring) - pci_free_consistent(adapter->dev, + dma_free_coherent(&adapter->dev->dev, adapter->cmp_pages * PAGE_SIZE, adapter->cmp_ring, adapter->cmpRingPA); if (adapter->msg_ring) - pci_free_consistent(adapter->dev, + dma_free_coherent(&adapter->dev->dev, adapter->msg_pages * PAGE_SIZE, adapter->msg_ring, adapter->msgRingPA); } @@ -1291,8 +1291,8 @@ static u32 pvscsi_get_max_targets(struct pvscsi_adapter *adapter) u32 numPhys = 16; dev = pvscsi_dev(adapter); - config_page = pci_alloc_consistent(adapter->dev, PAGE_SIZE, - &configPagePA); + config_page = dma_alloc_coherent(&adapter->dev->dev, PAGE_SIZE, + &configPagePA, GFP_KERNEL); if (!config_page) { dev_warn(dev, "vmw_pvscsi: failed to allocate memory for config page\n"); goto exit; @@ -1326,7 +1326,8 @@ static u32 pvscsi_get_max_targets(struct pvscsi_adapter *adapter) } else dev_warn(dev, "vmw_pvscsi: PVSCSI_CMD_CONFIG failed. hostStatus = 0x%x, scsiStatus = 0x%x\n", header->hostStatus, header->scsiStatus); - pci_free_consistent(adapter->dev, PAGE_SIZE, config_page, configPagePA); + dma_free_coherent(&adapter->dev->dev, PAGE_SIZE, config_page, + configPagePA); exit: return numPhys; } @@ -1346,11 +1347,9 @@ static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (pci_enable_device(pdev)) return error; - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0 && - pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) { + if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) { printk(KERN_INFO "vmw_pvscsi: using 64bit dma\n"); - } else if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) == 0 && - pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) == 0) { + } else if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) { printk(KERN_INFO "vmw_pvscsi: using 32bit dma\n"); } else { printk(KERN_ERR "vmw_pvscsi: failed to set DMA mask\n"); |