[SPARC64]: Beginnings of SUN4V PCI controller support.

[deliverable/linux.git] / arch / sparc64 / kernel / pci_sun4v.c

/* pci_sun4v.c: SUN4V specific PCI controller support.
 *
 * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
 */

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/interrupt.h>

#include <asm/pbm.h>
#include <asm/iommu.h>
#include <asm/irq.h>
#include <asm/upa.h>
#include <asm/pstate.h>
#include <asm/oplib.h>
#include <asm/hypervisor.h>

#include "pci_impl.h"
#include "iommu_common.h"

static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp)
{
	return NULL;
}

static void pci_4v_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_t dvma)
{
}

static dma_addr_t pci_4v_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direction)
{
	return 0;
}

static void pci_4v_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction)
{
}

static int pci_4v_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction)
{
	return nelems;
}

static void pci_4v_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction)
{
}

static void pci_4v_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction)
{
}

static void pci_4v_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction)
{
}

struct pci_iommu_ops pci_sun4v_iommu_ops = {
	.alloc_consistent		= pci_4v_alloc_consistent,
	.free_consistent		= pci_4v_free_consistent,
	.map_single			= pci_4v_map_single,
	.unmap_single			= pci_4v_unmap_single,
	.map_sg				= pci_4v_map_sg,
	.unmap_sg			= pci_4v_unmap_sg,
	.dma_sync_single_for_cpu	= pci_4v_dma_sync_single_for_cpu,
	.dma_sync_sg_for_cpu		= pci_4v_dma_sync_sg_for_cpu,
};

void sun4v_pci_init(int node, char *model_name)
{
	prom_printf("sun4v_pci_init: Implement me.\n");
	prom_halt();
}