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Commit dd9b67ab authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Paul Mackerras
Browse files

[POWERPC] Remove more iSeries-specific stuff from vio.c

parent 1670b2b2
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+25 −53
Original line number Diff line number Diff line
@@ -48,42 +48,15 @@ static struct vio_dev vio_bus_device = { /* fake "parent" device */
	.dev.bus = &vio_bus_type,
};

#ifdef CONFIG_PPC_ISERIES
static struct iommu_table veth_iommu_table;
struct iommu_table vio_iommu_table;

static void __init iommu_vio_init(void)
{
	iommu_table_getparms_iSeries(255, 0, 0xff, &veth_iommu_table);
	veth_iommu_table.it_size /= 2;
	vio_iommu_table = veth_iommu_table;
	vio_iommu_table.it_offset += veth_iommu_table.it_size;

	if (!iommu_init_table(&veth_iommu_table, -1))
		printk("Virtual Bus VETH TCE table failed.\n");
	if (!iommu_init_table(&vio_iommu_table, -1))
		printk("Virtual Bus VIO TCE table failed.\n");
}
#else
static void __init iommu_vio_init(void)
{
}
#endif

static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
{
#ifdef CONFIG_PPC_ISERIES
	if (firmware_has_feature(FW_FEATURE_ISERIES)) {
		if (strcmp(dev->type, "network") == 0)
			return &veth_iommu_table;
		return &vio_iommu_table;
	} else
#endif
{
	const unsigned char *dma_window;
	struct iommu_table *tbl;
	unsigned long offset, size;

	if (firmware_has_feature(FW_FEATURE_ISERIES))
		return vio_build_iommu_table_iseries(dev);

	dma_window = of_get_property(dev->dev.archdata.of_node,
				  "ibm,my-dma-window", NULL);
	if (!dma_window)
@@ -103,7 +76,6 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)

	return iommu_init_table(tbl, -1);
}
}

/**
 * vio_match_device: - Tell if a VIO device has a matching
+23 −1
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@
#include <linux/module.h>

#include <asm/iommu.h>
#include <asm/vio.h>
#include <asm/tce.h>
#include <asm/machdep.h>
#include <asm/abs_addr.h>
@@ -191,7 +192,8 @@ void iommu_devnode_init_iSeries(struct pci_dev *pdev, struct device_node *dn)
}
#endif

extern struct iommu_table vio_iommu_table;
static struct iommu_table veth_iommu_table;
static struct iommu_table vio_iommu_table;

void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag)
{
@@ -219,6 +221,26 @@ void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
	iommu_unmap_single(&vio_iommu_table, dma_handle, size, direction);
}

void __init iommu_vio_init(void)
{
	iommu_table_getparms_iSeries(255, 0, 0xff, &veth_iommu_table);
	veth_iommu_table.it_size /= 2;
	vio_iommu_table = veth_iommu_table;
	vio_iommu_table.it_offset += veth_iommu_table.it_size;

	if (!iommu_init_table(&veth_iommu_table, -1))
		printk("Virtual Bus VETH TCE table failed.\n");
	if (!iommu_init_table(&vio_iommu_table, -1))
		printk("Virtual Bus VIO TCE table failed.\n");
}

struct iommu_table *vio_build_iommu_table_iseries(struct vio_dev *dev)
{
	if (strcmp(dev->type, "network") == 0)
		return &veth_iommu_table;
	return &vio_iommu_table;
}

void iommu_init_early_iSeries(void)
{
	ppc_md.tce_build = tce_build_iSeries;
+4 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@
 */

struct pci_dev;
struct vio_dev;
struct device_node;
struct iommu_table;

@@ -34,4 +35,7 @@ extern void iommu_table_getparms_iSeries(unsigned long busno,
		unsigned char slotno, unsigned char virtbus,
		struct iommu_table *tbl);

extern struct iommu_table *vio_build_iommu_table_iseries(struct vio_dev *dev);
extern void iommu_vio_init(void);

#endif /* _ASM_POWERPC_ISERIES_IOMMU_H */