diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/pci.h')
-rw-r--r-- | arch/powerpc/platforms/powernv/pci.h | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index eada4b6068cb..8b37b28e3831 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -88,7 +88,6 @@ struct pnv_ioda_pe { }; #define PNV_PHB_FLAG_EEH (1 << 0) -#define PNV_PHB_FLAG_CXL (1 << 1) /* Real PHB supporting the cxl kernel API */ struct pnv_phb { struct pci_controller *hose; @@ -194,20 +193,10 @@ struct pnv_phb { bool nmmu_flush; } npu; -#ifdef CONFIG_CXL_BASE - struct cxl_afu *cxl_afu; -#endif int p2p_target_count; }; extern struct pci_ops pnv_pci_ops; -extern int pnv_tce_build(struct iommu_table *tbl, long index, long npages, - unsigned long uaddr, enum dma_data_direction direction, - unsigned long attrs); -extern void pnv_tce_free(struct iommu_table *tbl, long index, long npages); -extern int pnv_tce_xchg(struct iommu_table *tbl, long index, - unsigned long *hpa, enum dma_data_direction *direction); -extern unsigned long pnv_tce_get(struct iommu_table *tbl, long index); void pnv_pci_dump_phb_diag_data(struct pci_controller *hose, unsigned char *log_buff); @@ -217,14 +206,6 @@ int pnv_pci_cfg_write(struct pci_dn *pdn, int where, int size, u32 val); extern struct iommu_table *pnv_pci_table_alloc(int nid); -extern long pnv_pci_link_table_and_group(int node, int num, - struct iommu_table *tbl, - struct iommu_table_group *table_group); -extern void pnv_pci_unlink_table_and_group(struct iommu_table *tbl, - struct iommu_table_group *table_group); -extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl, - void *tce_mem, u64 tce_size, - u64 dma_offset, unsigned page_shift); extern void pnv_pci_init_ioda_hub(struct device_node *np); extern void pnv_pci_init_ioda2_phb(struct device_node *np); extern void pnv_pci_init_npu_phb(struct device_node *np); @@ -238,7 +219,6 @@ extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type); extern void pnv_teardown_msi_irqs(struct pci_dev *pdev); extern struct pnv_ioda_pe *pnv_ioda_get_pe(struct pci_dev *dev); extern void pnv_set_msi_irq_chip(struct pnv_phb *phb, unsigned int virq); -extern bool pnv_pci_enable_device_hook(struct pci_dev *dev); extern void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable); extern int pnv_eeh_post_init(void); @@ -262,14 +242,33 @@ extern void pnv_npu_take_ownership(struct pnv_ioda_pe *npe); extern void pnv_npu_release_ownership(struct pnv_ioda_pe *npe); extern int pnv_npu2_init(struct pnv_phb *phb); -/* cxl functions */ -extern bool pnv_cxl_enable_device_hook(struct pci_dev *dev); -extern void pnv_cxl_disable_device(struct pci_dev *dev); -extern int pnv_cxl_cx4_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type); -extern void pnv_cxl_cx4_teardown_msi_irqs(struct pci_dev *pdev); +/* pci-ioda-tce.c */ +#define POWERNV_IOMMU_DEFAULT_LEVELS 1 +#define POWERNV_IOMMU_MAX_LEVELS 5 +extern int pnv_tce_build(struct iommu_table *tbl, long index, long npages, + unsigned long uaddr, enum dma_data_direction direction, + unsigned long attrs); +extern void pnv_tce_free(struct iommu_table *tbl, long index, long npages); +extern int pnv_tce_xchg(struct iommu_table *tbl, long index, + unsigned long *hpa, enum dma_data_direction *direction, + bool alloc); +extern __be64 *pnv_tce_useraddrptr(struct iommu_table *tbl, long index, + bool alloc); +extern unsigned long pnv_tce_get(struct iommu_table *tbl, long index); + +extern long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, + __u32 page_shift, __u64 window_size, __u32 levels, + bool alloc_userspace_copy, struct iommu_table *tbl); +extern void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl); -/* phb ops (cxl switches these when enabling the kernel api on the phb) */ -extern const struct pci_controller_ops pnv_cxl_cx4_ioda_controller_ops; +extern long pnv_pci_link_table_and_group(int node, int num, + struct iommu_table *tbl, + struct iommu_table_group *table_group); +extern void pnv_pci_unlink_table_and_group(struct iommu_table *tbl, + struct iommu_table_group *table_group); +extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl, + void *tce_mem, u64 tce_size, + u64 dma_offset, unsigned int page_shift); #endif /* __POWERNV_PCI_H */ |