Loading arch/powerpc/kernel/vio.c +25 −53 Original line number Diff line number Diff line Loading @@ -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) Loading @@ -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 Loading arch/powerpc/platforms/iseries/iommu.c +23 −1 Original line number Diff line number Diff line Loading @@ -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> Loading Loading @@ -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) { Loading Loading @@ -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; Loading include/asm-powerpc/iseries/iommu.h +4 −0 Original line number Diff line number Diff line Loading @@ -22,6 +22,7 @@ */ struct pci_dev; struct vio_dev; struct device_node; struct iommu_table; Loading @@ -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 */ Loading
arch/powerpc/kernel/vio.c +25 −53 Original line number Diff line number Diff line Loading @@ -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) Loading @@ -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 Loading
arch/powerpc/platforms/iseries/iommu.c +23 −1 Original line number Diff line number Diff line Loading @@ -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> Loading Loading @@ -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) { Loading Loading @@ -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; Loading
include/asm-powerpc/iseries/iommu.h +4 −0 Original line number Diff line number Diff line Loading @@ -22,6 +22,7 @@ */ struct pci_dev; struct vio_dev; struct device_node; struct iommu_table; Loading @@ -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 */