scsi: mvumi: switch to generic DMA API
Switch from the legacy PCI DMA API to the generic DMA API. Also reuse an existing helper (after fixing the error return) to set the DMA mask instead of having three copies of the code. 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>
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1c2048bdc3
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@ -143,8 +143,8 @@ static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba,
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case RESOURCE_UNCACHED_MEMORY:
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size = round_up(size, 8);
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res->virt_addr = pci_zalloc_consistent(mhba->pdev, size,
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&res->bus_addr);
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res->virt_addr = dma_zalloc_coherent(&mhba->pdev->dev, size,
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&res->bus_addr, GFP_KERNEL);
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if (!res->virt_addr) {
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dev_err(&mhba->pdev->dev,
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"unable to allocate consistent mem,"
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@ -175,7 +175,7 @@ static void mvumi_release_mem_resource(struct mvumi_hba *mhba)
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list_for_each_entry_safe(res, tmp, &mhba->res_list, entry) {
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switch (res->type) {
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case RESOURCE_UNCACHED_MEMORY:
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pci_free_consistent(mhba->pdev, res->size,
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dma_free_coherent(&mhba->pdev->dev, res->size,
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res->virt_addr, res->bus_addr);
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break;
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case RESOURCE_CACHED_MEMORY:
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@ -211,14 +211,14 @@ static int mvumi_make_sgl(struct mvumi_hba *mhba, struct scsi_cmnd *scmd,
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dma_addr_t busaddr;
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sg = scsi_sglist(scmd);
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*sg_count = pci_map_sg(mhba->pdev, sg, sgnum,
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(int) scmd->sc_data_direction);
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*sg_count = dma_map_sg(&mhba->pdev->dev, sg, sgnum,
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scmd->sc_data_direction);
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if (*sg_count > mhba->max_sge) {
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dev_err(&mhba->pdev->dev,
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"sg count[0x%x] is bigger than max sg[0x%x].\n",
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*sg_count, mhba->max_sge);
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pci_unmap_sg(mhba->pdev, sg, sgnum,
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(int) scmd->sc_data_direction);
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dma_unmap_sg(&mhba->pdev->dev, sg, sgnum,
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scmd->sc_data_direction);
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return -1;
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}
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for (i = 0; i < *sg_count; i++) {
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@ -246,7 +246,8 @@ static int mvumi_internal_cmd_sgl(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
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if (size == 0)
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return 0;
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virt_addr = pci_zalloc_consistent(mhba->pdev, size, &phy_addr);
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virt_addr = dma_zalloc_coherent(&mhba->pdev->dev, size, &phy_addr,
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GFP_KERNEL);
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if (!virt_addr)
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return -1;
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@ -274,8 +275,8 @@ static struct mvumi_cmd *mvumi_create_internal_cmd(struct mvumi_hba *mhba,
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}
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INIT_LIST_HEAD(&cmd->queue_pointer);
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cmd->frame = pci_alloc_consistent(mhba->pdev,
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mhba->ib_max_size, &cmd->frame_phys);
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cmd->frame = dma_alloc_coherent(&mhba->pdev->dev, mhba->ib_max_size,
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&cmd->frame_phys, GFP_KERNEL);
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if (!cmd->frame) {
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dev_err(&mhba->pdev->dev, "failed to allocate memory for FW"
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" frame,size = %d.\n", mhba->ib_max_size);
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@ -287,7 +288,7 @@ static struct mvumi_cmd *mvumi_create_internal_cmd(struct mvumi_hba *mhba,
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if (mvumi_internal_cmd_sgl(mhba, cmd, buf_size)) {
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dev_err(&mhba->pdev->dev, "failed to allocate memory"
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" for internal frame\n");
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pci_free_consistent(mhba->pdev, mhba->ib_max_size,
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dma_free_coherent(&mhba->pdev->dev, mhba->ib_max_size,
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cmd->frame, cmd->frame_phys);
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kfree(cmd);
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return NULL;
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@ -313,10 +314,10 @@ static void mvumi_delete_internal_cmd(struct mvumi_hba *mhba,
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phy_addr = (dma_addr_t) m_sg->baseaddr_l |
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(dma_addr_t) ((m_sg->baseaddr_h << 16) << 16);
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pci_free_consistent(mhba->pdev, size, cmd->data_buf,
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dma_free_coherent(&mhba->pdev->dev, size, cmd->data_buf,
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phy_addr);
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}
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pci_free_consistent(mhba->pdev, mhba->ib_max_size,
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dma_free_coherent(&mhba->pdev->dev, mhba->ib_max_size,
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cmd->frame, cmd->frame_phys);
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kfree(cmd);
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}
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@ -663,16 +664,17 @@ static void mvumi_restore_bar_addr(struct mvumi_hba *mhba)
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}
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}
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static unsigned int mvumi_pci_set_master(struct pci_dev *pdev)
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static int mvumi_pci_set_master(struct pci_dev *pdev)
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{
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unsigned int ret = 0;
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int ret = 0;
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pci_set_master(pdev);
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if (IS_DMA64) {
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if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)))
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ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
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} else
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
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return ret;
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}
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@ -771,7 +773,7 @@ static void mvumi_release_fw(struct mvumi_hba *mhba)
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mvumi_free_cmds(mhba);
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mvumi_release_mem_resource(mhba);
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mvumi_unmap_pci_addr(mhba->pdev, mhba->base_addr);
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pci_free_consistent(mhba->pdev, HSP_MAX_SIZE,
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dma_free_coherent(&mhba->pdev->dev, HSP_MAX_SIZE,
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mhba->handshake_page, mhba->handshake_page_phys);
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kfree(mhba->regs);
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pci_release_regions(mhba->pdev);
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@ -1339,9 +1341,9 @@ static void mvumi_complete_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
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}
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if (scsi_bufflen(scmd))
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pci_unmap_sg(mhba->pdev, scsi_sglist(scmd),
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dma_unmap_sg(&mhba->pdev->dev, scsi_sglist(scmd),
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scsi_sg_count(scmd),
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(int) scmd->sc_data_direction);
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scmd->sc_data_direction);
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cmd->scmd->scsi_done(scmd);
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mvumi_return_cmd(mhba, cmd);
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}
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@ -2148,9 +2150,9 @@ static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd)
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scmd->result = (DRIVER_INVALID << 24) | (DID_ABORT << 16);
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scmd->SCp.ptr = NULL;
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if (scsi_bufflen(scmd)) {
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pci_unmap_sg(mhba->pdev, scsi_sglist(scmd),
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dma_unmap_sg(&mhba->pdev->dev, scsi_sglist(scmd),
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scsi_sg_count(scmd),
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(int)scmd->sc_data_direction);
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scmd->sc_data_direction);
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}
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mvumi_return_cmd(mhba, cmd);
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spin_unlock_irqrestore(mhba->shost->host_lock, flags);
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@ -2362,8 +2364,8 @@ static int mvumi_init_fw(struct mvumi_hba *mhba)
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ret = -ENOMEM;
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goto fail_alloc_mem;
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}
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mhba->handshake_page = pci_alloc_consistent(mhba->pdev, HSP_MAX_SIZE,
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&mhba->handshake_page_phys);
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mhba->handshake_page = dma_alloc_coherent(&mhba->pdev->dev,
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HSP_MAX_SIZE, &mhba->handshake_page_phys, GFP_KERNEL);
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if (!mhba->handshake_page) {
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dev_err(&mhba->pdev->dev,
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"failed to allocate memory for handshake\n");
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@ -2383,7 +2385,7 @@ static int mvumi_init_fw(struct mvumi_hba *mhba)
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fail_ready_state:
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mvumi_release_mem_resource(mhba);
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pci_free_consistent(mhba->pdev, HSP_MAX_SIZE,
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dma_free_coherent(&mhba->pdev->dev, HSP_MAX_SIZE,
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mhba->handshake_page, mhba->handshake_page_phys);
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fail_alloc_page:
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kfree(mhba->regs);
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@ -2480,20 +2482,9 @@ static int mvumi_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
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if (ret)
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return ret;
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pci_set_master(pdev);
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if (IS_DMA64) {
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
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if (ret) {
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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if (ret)
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goto fail_set_dma_mask;
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}
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} else {
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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if (ret)
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goto fail_set_dma_mask;
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}
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ret = mvumi_pci_set_master(pdev);
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if (ret)
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goto fail_set_dma_mask;
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host = scsi_host_alloc(&mvumi_template, sizeof(*mhba));
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if (!host) {
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@ -2627,19 +2618,11 @@ static int __maybe_unused mvumi_resume(struct pci_dev *pdev)
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dev_err(&pdev->dev, "enable device failed\n");
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return ret;
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}
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pci_set_master(pdev);
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if (IS_DMA64) {
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
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if (ret) {
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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if (ret)
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goto fail;
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}
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} else {
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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if (ret)
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goto fail;
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}
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ret = mvumi_pci_set_master(pdev);
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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if (ret)
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goto fail;
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ret = pci_request_regions(mhba->pdev, MV_DRIVER_NAME);
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if (ret)
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goto fail;
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