161305a96SBenjamin Herrenschmidt #ifndef __POWERNV_PCI_H 261305a96SBenjamin Herrenschmidt #define __POWERNV_PCI_H 361305a96SBenjamin Herrenschmidt 461305a96SBenjamin Herrenschmidt struct pci_dn; 561305a96SBenjamin Herrenschmidt 661305a96SBenjamin Herrenschmidt enum pnv_phb_type { 7aa0c033fSGavin Shan PNV_PHB_P5IOC2 = 0, 8aa0c033fSGavin Shan PNV_PHB_IODA1 = 1, 9aa0c033fSGavin Shan PNV_PHB_IODA2 = 2, 1061305a96SBenjamin Herrenschmidt }; 1161305a96SBenjamin Herrenschmidt 12cee72d5bSBenjamin Herrenschmidt /* Precise PHB model for error management */ 13cee72d5bSBenjamin Herrenschmidt enum pnv_phb_model { 14cee72d5bSBenjamin Herrenschmidt PNV_PHB_MODEL_UNKNOWN, 15cee72d5bSBenjamin Herrenschmidt PNV_PHB_MODEL_P5IOC2, 16cee72d5bSBenjamin Herrenschmidt PNV_PHB_MODEL_P7IOC, 17aa0c033fSGavin Shan PNV_PHB_MODEL_PHB3, 18cee72d5bSBenjamin Herrenschmidt }; 19cee72d5bSBenjamin Herrenschmidt 20cee72d5bSBenjamin Herrenschmidt #define PNV_PCI_DIAG_BUF_SIZE 4096 217ebdf956SGavin Shan #define PNV_IODA_PE_DEV (1 << 0) /* PE has single PCI device */ 227ebdf956SGavin Shan #define PNV_IODA_PE_BUS (1 << 1) /* PE has primary PCI bus */ 237ebdf956SGavin Shan #define PNV_IODA_PE_BUS_ALL (1 << 2) /* PE has subordinate buses */ 24cee72d5bSBenjamin Herrenschmidt 25184cd4a3SBenjamin Herrenschmidt /* Data associated with a PE, including IOMMU tracking etc.. */ 264cce9550SGavin Shan struct pnv_phb; 27184cd4a3SBenjamin Herrenschmidt struct pnv_ioda_pe { 287ebdf956SGavin Shan unsigned long flags; 294cce9550SGavin Shan struct pnv_phb *phb; 307ebdf956SGavin Shan 31184cd4a3SBenjamin Herrenschmidt /* A PE can be associated with a single device or an 32184cd4a3SBenjamin Herrenschmidt * entire bus (& children). In the former case, pdev 33184cd4a3SBenjamin Herrenschmidt * is populated, in the later case, pbus is. 34184cd4a3SBenjamin Herrenschmidt */ 35184cd4a3SBenjamin Herrenschmidt struct pci_dev *pdev; 36184cd4a3SBenjamin Herrenschmidt struct pci_bus *pbus; 37184cd4a3SBenjamin Herrenschmidt 38184cd4a3SBenjamin Herrenschmidt /* Effective RID (device RID for a device PE and base bus 39184cd4a3SBenjamin Herrenschmidt * RID with devfn 0 for a bus PE) 40184cd4a3SBenjamin Herrenschmidt */ 41184cd4a3SBenjamin Herrenschmidt unsigned int rid; 42184cd4a3SBenjamin Herrenschmidt 43184cd4a3SBenjamin Herrenschmidt /* PE number */ 44184cd4a3SBenjamin Herrenschmidt unsigned int pe_number; 45184cd4a3SBenjamin Herrenschmidt 46184cd4a3SBenjamin Herrenschmidt /* "Weight" assigned to the PE for the sake of DMA resource 47184cd4a3SBenjamin Herrenschmidt * allocations 48184cd4a3SBenjamin Herrenschmidt */ 49184cd4a3SBenjamin Herrenschmidt unsigned int dma_weight; 50184cd4a3SBenjamin Herrenschmidt 51184cd4a3SBenjamin Herrenschmidt /* "Base" iommu table, ie, 4K TCEs, 32-bit DMA */ 52184cd4a3SBenjamin Herrenschmidt int tce32_seg; 53184cd4a3SBenjamin Herrenschmidt int tce32_segcount; 54184cd4a3SBenjamin Herrenschmidt struct iommu_table tce32_table; 55184cd4a3SBenjamin Herrenschmidt 56184cd4a3SBenjamin Herrenschmidt /* XXX TODO: Add support for additional 64-bit iommus */ 57184cd4a3SBenjamin Herrenschmidt 58184cd4a3SBenjamin Herrenschmidt /* MSIs. MVE index is identical for for 32 and 64 bit MSI 59184cd4a3SBenjamin Herrenschmidt * and -1 if not supported. (It's actually identical to the 60184cd4a3SBenjamin Herrenschmidt * PE number) 61184cd4a3SBenjamin Herrenschmidt */ 62184cd4a3SBenjamin Herrenschmidt int mve_number; 63184cd4a3SBenjamin Herrenschmidt 64184cd4a3SBenjamin Herrenschmidt /* Link in list of PE#s */ 657ebdf956SGavin Shan struct list_head dma_link; 667ebdf956SGavin Shan struct list_head list; 67184cd4a3SBenjamin Herrenschmidt }; 68184cd4a3SBenjamin Herrenschmidt 6961305a96SBenjamin Herrenschmidt struct pnv_phb { 7061305a96SBenjamin Herrenschmidt struct pci_controller *hose; 7161305a96SBenjamin Herrenschmidt enum pnv_phb_type type; 72cee72d5bSBenjamin Herrenschmidt enum pnv_phb_model model; 7361305a96SBenjamin Herrenschmidt u64 opal_id; 7461305a96SBenjamin Herrenschmidt void __iomem *regs; 75db1266c8SGavin Shan int initialized; 7661305a96SBenjamin Herrenschmidt spinlock_t lock; 7761305a96SBenjamin Herrenschmidt 78c1a2562aSBenjamin Herrenschmidt #ifdef CONFIG_PCI_MSI 79c1a2562aSBenjamin Herrenschmidt unsigned int msi_base; 80c1a2562aSBenjamin Herrenschmidt unsigned int msi32_support; 81fb1b55d6SGavin Shan struct msi_bitmap msi_bmp; 82c1a2562aSBenjamin Herrenschmidt #endif 83c1a2562aSBenjamin Herrenschmidt int (*msi_setup)(struct pnv_phb *phb, struct pci_dev *dev, 84137436c9SGavin Shan unsigned int hwirq, unsigned int virq, 85137436c9SGavin Shan unsigned int is_64, struct msi_msg *msg); 8661305a96SBenjamin Herrenschmidt void (*dma_dev_setup)(struct pnv_phb *phb, struct pci_dev *pdev); 8761305a96SBenjamin Herrenschmidt void (*fixup_phb)(struct pci_controller *hose); 8861305a96SBenjamin Herrenschmidt u32 (*bdfn_to_pe)(struct pnv_phb *phb, struct pci_bus *bus, u32 devfn); 8973ed148aSBenjamin Herrenschmidt void (*shutdown)(struct pnv_phb *phb); 9061305a96SBenjamin Herrenschmidt 9161305a96SBenjamin Herrenschmidt union { 9261305a96SBenjamin Herrenschmidt struct { 9361305a96SBenjamin Herrenschmidt struct iommu_table iommu_table; 9461305a96SBenjamin Herrenschmidt } p5ioc2; 95184cd4a3SBenjamin Herrenschmidt 96184cd4a3SBenjamin Herrenschmidt struct { 97184cd4a3SBenjamin Herrenschmidt /* Global bridge info */ 98184cd4a3SBenjamin Herrenschmidt unsigned int total_pe; 99184cd4a3SBenjamin Herrenschmidt unsigned int m32_size; 100184cd4a3SBenjamin Herrenschmidt unsigned int m32_segsize; 101184cd4a3SBenjamin Herrenschmidt unsigned int m32_pci_base; 102184cd4a3SBenjamin Herrenschmidt unsigned int io_size; 103184cd4a3SBenjamin Herrenschmidt unsigned int io_segsize; 104184cd4a3SBenjamin Herrenschmidt unsigned int io_pci_base; 105184cd4a3SBenjamin Herrenschmidt 106184cd4a3SBenjamin Herrenschmidt /* PE allocation bitmap */ 107184cd4a3SBenjamin Herrenschmidt unsigned long *pe_alloc; 108184cd4a3SBenjamin Herrenschmidt 109184cd4a3SBenjamin Herrenschmidt /* M32 & IO segment maps */ 110184cd4a3SBenjamin Herrenschmidt unsigned int *m32_segmap; 111184cd4a3SBenjamin Herrenschmidt unsigned int *io_segmap; 112184cd4a3SBenjamin Herrenschmidt struct pnv_ioda_pe *pe_array; 113184cd4a3SBenjamin Herrenschmidt 114137436c9SGavin Shan /* IRQ chip */ 115137436c9SGavin Shan int irq_chip_init; 116137436c9SGavin Shan struct irq_chip irq_chip; 117137436c9SGavin Shan 1187ebdf956SGavin Shan /* Sorted list of used PE's based 1197ebdf956SGavin Shan * on the sequence of creation 1207ebdf956SGavin Shan */ 1217ebdf956SGavin Shan struct list_head pe_list; 1227ebdf956SGavin Shan 123184cd4a3SBenjamin Herrenschmidt /* Reverse map of PEs, will have to extend if 124184cd4a3SBenjamin Herrenschmidt * we are to support more than 256 PEs, indexed 125184cd4a3SBenjamin Herrenschmidt * bus { bus, devfn } 126184cd4a3SBenjamin Herrenschmidt */ 127184cd4a3SBenjamin Herrenschmidt unsigned char pe_rmap[0x10000]; 128184cd4a3SBenjamin Herrenschmidt 129184cd4a3SBenjamin Herrenschmidt /* 32-bit TCE tables allocation */ 130184cd4a3SBenjamin Herrenschmidt unsigned long tce32_count; 131184cd4a3SBenjamin Herrenschmidt 132184cd4a3SBenjamin Herrenschmidt /* Total "weight" for the sake of DMA resources 133184cd4a3SBenjamin Herrenschmidt * allocation 134184cd4a3SBenjamin Herrenschmidt */ 135184cd4a3SBenjamin Herrenschmidt unsigned int dma_weight; 136184cd4a3SBenjamin Herrenschmidt unsigned int dma_pe_count; 137184cd4a3SBenjamin Herrenschmidt 138184cd4a3SBenjamin Herrenschmidt /* Sorted list of used PE's, sorted at 139184cd4a3SBenjamin Herrenschmidt * boot for resource allocation purposes 140184cd4a3SBenjamin Herrenschmidt */ 1417ebdf956SGavin Shan struct list_head pe_dma_list; 142184cd4a3SBenjamin Herrenschmidt } ioda; 14361305a96SBenjamin Herrenschmidt }; 144cee72d5bSBenjamin Herrenschmidt 145cee72d5bSBenjamin Herrenschmidt /* PHB status structure */ 146cee72d5bSBenjamin Herrenschmidt union { 147cee72d5bSBenjamin Herrenschmidt unsigned char blob[PNV_PCI_DIAG_BUF_SIZE]; 148cee72d5bSBenjamin Herrenschmidt struct OpalIoP7IOCPhbErrorData p7ioc; 149cee72d5bSBenjamin Herrenschmidt } diag; 15061305a96SBenjamin Herrenschmidt }; 15161305a96SBenjamin Herrenschmidt 15261305a96SBenjamin Herrenschmidt extern struct pci_ops pnv_pci_ops; 15361305a96SBenjamin Herrenschmidt 15461305a96SBenjamin Herrenschmidt extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl, 15561305a96SBenjamin Herrenschmidt void *tce_mem, u64 tce_size, 15661305a96SBenjamin Herrenschmidt u64 dma_offset); 15761305a96SBenjamin Herrenschmidt extern void pnv_pci_init_p5ioc2_hub(struct device_node *np); 158184cd4a3SBenjamin Herrenschmidt extern void pnv_pci_init_ioda_hub(struct device_node *np); 159aa0c033fSGavin Shan extern void pnv_pci_init_ioda2_phb(struct device_node *np); 1604cce9550SGavin Shan extern void pnv_pci_ioda_tce_invalidate(struct iommu_table *tbl, 1614cce9550SGavin Shan u64 *startp, u64 *endp); 16273ed148aSBenjamin Herrenschmidt 16361305a96SBenjamin Herrenschmidt #endif /* __POWERNV_PCI_H */ 164