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| author | Jan Glauber <jang@linux.vnet.ibm.com> | 2012-11-29 17:33:30 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-11-30 20:47:23 +0400 |
| commit | 828b35f60eb0148f994bb13e328df94578b07142 (patch) | |
| tree | 2e06065339ebbfb9aab46f3167fe77ac952ac6fa /arch/s390/pci/pci_clp.c | |
| parent | 9a4da8a5b109906a64bed5aaeb83bf4edb1f5888 (diff) | |
| download | linux-828b35f60eb0148f994bb13e328df94578b07142.tar.xz | |
s390/pci: DMA support
Add DMA IOMMU support using 4K page table entries. Implement dma_map_ops.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/pci/pci_clp.c')
| -rw-r--r-- | arch/s390/pci/pci_clp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c index 72694fb6d525..7f4ce8d874a4 100644 --- a/arch/s390/pci/pci_clp.c +++ b/arch/s390/pci/pci_clp.c @@ -48,6 +48,8 @@ static void clp_free_block(void *ptr) static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, struct clp_rsp_query_pci_grp *response) { + zdev->tlb_refresh = response->refresh; + zdev->dma_mask = response->dasm; zdev->msi_addr = response->msia; pr_debug("Supported number of MSI vectors: %u\n", response->noi); @@ -97,6 +99,8 @@ static int clp_store_query_pci_fn(struct zpci_dev *zdev, zdev->bars[i].val = le32_to_cpu(response->bar[i]); zdev->bars[i].size = response->bar_size[i]; } + zdev->start_dma = response->sdma; + zdev->end_dma = response->edma; zdev->pchid = response->pchid; zdev->pfgid = response->pfgid; return 0; |