75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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/* pci_sun4v.c: SUN4V specific PCI controller support.
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*
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* Copyright (C) 2006 David S. Miller (davem@davemloft.net)
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <asm/pbm.h>
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#include <asm/iommu.h>
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#include <asm/irq.h>
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#include <asm/upa.h>
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#include <asm/pstate.h>
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#include <asm/oplib.h>
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#include <asm/hypervisor.h>
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#include "pci_impl.h"
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#include "iommu_common.h"
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static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp)
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{
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return NULL;
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}
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static void pci_4v_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_t dvma)
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{
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}
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static dma_addr_t pci_4v_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direction)
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{
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return 0;
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}
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static void pci_4v_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction)
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{
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}
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static int pci_4v_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction)
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{
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return nelems;
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}
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static void pci_4v_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction)
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{
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}
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static void pci_4v_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction)
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{
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}
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static void pci_4v_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction)
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{
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}
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struct pci_iommu_ops pci_sun4v_iommu_ops = {
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.alloc_consistent = pci_4v_alloc_consistent,
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.free_consistent = pci_4v_free_consistent,
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.map_single = pci_4v_map_single,
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.unmap_single = pci_4v_unmap_single,
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.map_sg = pci_4v_map_sg,
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.unmap_sg = pci_4v_unmap_sg,
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.dma_sync_single_for_cpu = pci_4v_dma_sync_single_for_cpu,
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.dma_sync_sg_for_cpu = pci_4v_dma_sync_sg_for_cpu,
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};
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void sun4v_pci_init(int node, char *model_name)
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{
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prom_printf("sun4v_pci_init: Implement me.\n");
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prom_halt();
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}
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