14f9924c4SBenjamin Herrenschmidt /* 24f9924c4SBenjamin Herrenschmidt * QEMU PowerPC PowerNV (POWER9) PHB4 model 34f9924c4SBenjamin Herrenschmidt * 44f9924c4SBenjamin Herrenschmidt * Copyright (c) 2018-2020, IBM Corporation. 54f9924c4SBenjamin Herrenschmidt * 64f9924c4SBenjamin Herrenschmidt * This code is licensed under the GPL version 2 or later. See the 74f9924c4SBenjamin Herrenschmidt * COPYING file in the top-level directory. 84f9924c4SBenjamin Herrenschmidt */ 94f9924c4SBenjamin Herrenschmidt 104f9924c4SBenjamin Herrenschmidt #ifndef PCI_HOST_PNV_PHB4_H 114f9924c4SBenjamin Herrenschmidt #define PCI_HOST_PNV_PHB4_H 124f9924c4SBenjamin Herrenschmidt 134f9924c4SBenjamin Herrenschmidt #include "hw/pci/pcie_host.h" 144f9924c4SBenjamin Herrenschmidt #include "hw/pci/pcie_port.h" 154f9924c4SBenjamin Herrenschmidt #include "hw/ppc/xive.h" 16db1015e9SEduardo Habkost #include "qom/object.h" 174f9924c4SBenjamin Herrenschmidt 185032f5d7SDaniel Henrique Barboza typedef struct PnvPhb4PecState PnvPhb4PecState; 194f9924c4SBenjamin Herrenschmidt typedef struct PnvPhb4PecStack PnvPhb4PecStack; 204f9924c4SBenjamin Herrenschmidt typedef struct PnvPHB4 PnvPHB4; 214f9924c4SBenjamin Herrenschmidt typedef struct PnvChip PnvChip; 224f9924c4SBenjamin Herrenschmidt 234f9924c4SBenjamin Herrenschmidt /* 244f9924c4SBenjamin Herrenschmidt * We have one such address space wrapper per possible device under 254f9924c4SBenjamin Herrenschmidt * the PHB since they need to be assigned statically at qemu device 264f9924c4SBenjamin Herrenschmidt * creation time. The relationship to a PE is done later 274f9924c4SBenjamin Herrenschmidt * dynamically. This means we can potentially create a lot of these 284f9924c4SBenjamin Herrenschmidt * guys. Q35 stores them as some kind of radix tree but we never 294f9924c4SBenjamin Herrenschmidt * really need to do fast lookups so instead we simply keep a QLIST of 304f9924c4SBenjamin Herrenschmidt * them for now, we can add the radix if needed later on. 314f9924c4SBenjamin Herrenschmidt * 324f9924c4SBenjamin Herrenschmidt * We do cache the PE number to speed things up a bit though. 334f9924c4SBenjamin Herrenschmidt */ 344f9924c4SBenjamin Herrenschmidt typedef struct PnvPhb4DMASpace { 354f9924c4SBenjamin Herrenschmidt PCIBus *bus; 364f9924c4SBenjamin Herrenschmidt uint8_t devfn; 374f9924c4SBenjamin Herrenschmidt int pe_num; /* Cached PE number */ 384f9924c4SBenjamin Herrenschmidt #define PHB_INVALID_PE (-1) 394f9924c4SBenjamin Herrenschmidt PnvPHB4 *phb; 404f9924c4SBenjamin Herrenschmidt AddressSpace dma_as; 414f9924c4SBenjamin Herrenschmidt IOMMUMemoryRegion dma_mr; 424f9924c4SBenjamin Herrenschmidt MemoryRegion msi32_mr; 434f9924c4SBenjamin Herrenschmidt MemoryRegion msi64_mr; 444f9924c4SBenjamin Herrenschmidt QLIST_ENTRY(PnvPhb4DMASpace) list; 454f9924c4SBenjamin Herrenschmidt } PnvPhb4DMASpace; 464f9924c4SBenjamin Herrenschmidt 474f9924c4SBenjamin Herrenschmidt /* 484f9924c4SBenjamin Herrenschmidt * PHB4 PCIe Root port 494f9924c4SBenjamin Herrenschmidt */ 5045157581SDaniel Henrique Barboza #define TYPE_PNV_PHB4_ROOT_BUS "pnv-phb4-root" 514f9924c4SBenjamin Herrenschmidt #define TYPE_PNV_PHB4_ROOT_PORT "pnv-phb4-root-port" 524f9924c4SBenjamin Herrenschmidt 534f9924c4SBenjamin Herrenschmidt typedef struct PnvPHB4RootPort { 544f9924c4SBenjamin Herrenschmidt PCIESlot parent_obj; 554f9924c4SBenjamin Herrenschmidt } PnvPHB4RootPort; 564f9924c4SBenjamin Herrenschmidt 574f9924c4SBenjamin Herrenschmidt /* 584f9924c4SBenjamin Herrenschmidt * PHB4 PCIe Host Bridge for PowerNV machines (POWER9) 594f9924c4SBenjamin Herrenschmidt */ 604f9924c4SBenjamin Herrenschmidt #define TYPE_PNV_PHB4 "pnv-phb4" 618063396bSEduardo Habkost OBJECT_DECLARE_SIMPLE_TYPE(PnvPHB4, PNV_PHB4) 624f9924c4SBenjamin Herrenschmidt 634f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_LSIs 8 644f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_INTs 4096 654f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_MIST (PNV_PHB4_MAX_INTs >> 2) 664f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_MMIO_WINDOWS 32 674f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MIN_MMIO_WINDOWS 16 684f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_NUM_REGS (0x3000 >> 3) 694f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_PEs 512 704f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_TVEs (PNV_PHB4_MAX_PEs * 2) 714f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_PEEVs (PNV_PHB4_MAX_PEs / 64) 724f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_MBEs (PNV_PHB4_MAX_MMIO_WINDOWS * 2) 734f9924c4SBenjamin Herrenschmidt 744f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_VERSION 0x000000a400000002ull 754f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_DEVICE_ID 0x04c1 764f9924c4SBenjamin Herrenschmidt 774f9924c4SBenjamin Herrenschmidt #define PCI_MMIO_TOTAL_SIZE (0x1ull << 60) 784f9924c4SBenjamin Herrenschmidt 794f9924c4SBenjamin Herrenschmidt struct PnvPHB4 { 804f9924c4SBenjamin Herrenschmidt PCIExpressHost parent_obj; 814f9924c4SBenjamin Herrenschmidt 824f9924c4SBenjamin Herrenschmidt uint32_t chip_id; 834f9924c4SBenjamin Herrenschmidt uint32_t phb_id; 844f9924c4SBenjamin Herrenschmidt 854f9924c4SBenjamin Herrenschmidt uint64_t version; 864f9924c4SBenjamin Herrenschmidt 874f9924c4SBenjamin Herrenschmidt char bus_path[8]; 884f9924c4SBenjamin Herrenschmidt 894f9924c4SBenjamin Herrenschmidt /* Main register images */ 904f9924c4SBenjamin Herrenschmidt uint64_t regs[PNV_PHB4_NUM_REGS]; 914f9924c4SBenjamin Herrenschmidt MemoryRegion mr_regs; 924f9924c4SBenjamin Herrenschmidt 934f9924c4SBenjamin Herrenschmidt /* Extra SCOM-only register */ 944f9924c4SBenjamin Herrenschmidt uint64_t scom_hv_ind_addr_reg; 954f9924c4SBenjamin Herrenschmidt 964f9924c4SBenjamin Herrenschmidt /* 974f9924c4SBenjamin Herrenschmidt * Geometry of the PHB. There are two types, small and big PHBs, a 984f9924c4SBenjamin Herrenschmidt * number of resources (number of PEs, windows etc...) are doubled 994f9924c4SBenjamin Herrenschmidt * for a big PHB 1004f9924c4SBenjamin Herrenschmidt */ 1014f9924c4SBenjamin Herrenschmidt bool big_phb; 1024f9924c4SBenjamin Herrenschmidt 1034f9924c4SBenjamin Herrenschmidt /* Memory regions for MMIO space */ 1044f9924c4SBenjamin Herrenschmidt MemoryRegion mr_mmio[PNV_PHB4_MAX_MMIO_WINDOWS]; 1054f9924c4SBenjamin Herrenschmidt 1064f9924c4SBenjamin Herrenschmidt /* PCI side space */ 1074f9924c4SBenjamin Herrenschmidt MemoryRegion pci_mmio; 1084f9924c4SBenjamin Herrenschmidt MemoryRegion pci_io; 1094f9924c4SBenjamin Herrenschmidt 110df462784SDaniel Henrique Barboza /* PCI registers (excluding pass-through) */ 111df462784SDaniel Henrique Barboza #define PHB4_PEC_PCI_STK_REGS_COUNT 0xf 112df462784SDaniel Henrique Barboza uint64_t pci_regs[PHB4_PEC_PCI_STK_REGS_COUNT]; 113df462784SDaniel Henrique Barboza MemoryRegion pci_regs_mr; 114df462784SDaniel Henrique Barboza 115e0d2379fSDaniel Henrique Barboza /* Memory windows from PowerBus to PHB */ 116e0d2379fSDaniel Henrique Barboza MemoryRegion phbbar; 117db16c02eSDaniel Henrique Barboza MemoryRegion intbar; 118*1293d735SDaniel Henrique Barboza MemoryRegion mmbar0; 119*1293d735SDaniel Henrique Barboza MemoryRegion mmbar1; 120*1293d735SDaniel Henrique Barboza uint64_t mmio0_base; 121*1293d735SDaniel Henrique Barboza uint64_t mmio0_size; 122*1293d735SDaniel Henrique Barboza uint64_t mmio1_base; 123*1293d735SDaniel Henrique Barboza uint64_t mmio1_size; 124e0d2379fSDaniel Henrique Barboza 1254f9924c4SBenjamin Herrenschmidt /* On-chip IODA tables */ 1264f9924c4SBenjamin Herrenschmidt uint64_t ioda_LIST[PNV_PHB4_MAX_LSIs]; 1274f9924c4SBenjamin Herrenschmidt uint64_t ioda_MIST[PNV_PHB4_MAX_MIST]; 1284f9924c4SBenjamin Herrenschmidt uint64_t ioda_TVT[PNV_PHB4_MAX_TVEs]; 1294f9924c4SBenjamin Herrenschmidt uint64_t ioda_MBT[PNV_PHB4_MAX_MBEs]; 1304f9924c4SBenjamin Herrenschmidt uint64_t ioda_MDT[PNV_PHB4_MAX_PEs]; 1314f9924c4SBenjamin Herrenschmidt uint64_t ioda_PEEV[PNV_PHB4_MAX_PEEVs]; 1324f9924c4SBenjamin Herrenschmidt 1334f9924c4SBenjamin Herrenschmidt /* 1344f9924c4SBenjamin Herrenschmidt * The internal PESTA/B is 2 bits per PE split into two tables, we 1354f9924c4SBenjamin Herrenschmidt * store them in a single array here to avoid wasting space. 1364f9924c4SBenjamin Herrenschmidt */ 1374f9924c4SBenjamin Herrenschmidt uint8_t ioda_PEST_AB[PNV_PHB4_MAX_PEs]; 1384f9924c4SBenjamin Herrenschmidt 1394f9924c4SBenjamin Herrenschmidt /* P9 Interrupt generation */ 1404f9924c4SBenjamin Herrenschmidt XiveSource xsrc; 1414f9924c4SBenjamin Herrenschmidt qemu_irq *qirqs; 1424f9924c4SBenjamin Herrenschmidt 1434f9924c4SBenjamin Herrenschmidt PnvPhb4PecStack *stack; 1444f9924c4SBenjamin Herrenschmidt 1454f9924c4SBenjamin Herrenschmidt QLIST_HEAD(, PnvPhb4DMASpace) dma_spaces; 1464f9924c4SBenjamin Herrenschmidt }; 1474f9924c4SBenjamin Herrenschmidt 1484f9924c4SBenjamin Herrenschmidt void pnv_phb4_pic_print_info(PnvPHB4 *phb, Monitor *mon); 1495032f5d7SDaniel Henrique Barboza int pnv_phb4_pec_get_phb_id(PnvPhb4PecState *pec, int stack_index); 1504f9924c4SBenjamin Herrenschmidt extern const MemoryRegionOps pnv_phb4_xscom_ops; 1514f9924c4SBenjamin Herrenschmidt 1524f9924c4SBenjamin Herrenschmidt /* 1534f9924c4SBenjamin Herrenschmidt * PHB4 PEC (PCI Express Controller) 1544f9924c4SBenjamin Herrenschmidt */ 1554f9924c4SBenjamin Herrenschmidt #define TYPE_PNV_PHB4_PEC "pnv-phb4-pec" 156a489d195SEduardo Habkost OBJECT_DECLARE_TYPE(PnvPhb4PecState, PnvPhb4PecClass, PNV_PHB4_PEC) 1574f9924c4SBenjamin Herrenschmidt 1584f9924c4SBenjamin Herrenschmidt #define TYPE_PNV_PHB4_PEC_STACK "pnv-phb4-pec-stack" 1598063396bSEduardo Habkost OBJECT_DECLARE_SIMPLE_TYPE(PnvPhb4PecStack, PNV_PHB4_PEC_STACK) 1604f9924c4SBenjamin Herrenschmidt 1614f9924c4SBenjamin Herrenschmidt /* Per-stack data */ 1624f9924c4SBenjamin Herrenschmidt struct PnvPhb4PecStack { 1634f9924c4SBenjamin Herrenschmidt DeviceState parent; 1644f9924c4SBenjamin Herrenschmidt 1654f9924c4SBenjamin Herrenschmidt /* My own stack number */ 1664f9924c4SBenjamin Herrenschmidt uint32_t stack_no; 1674f9924c4SBenjamin Herrenschmidt 1684f9924c4SBenjamin Herrenschmidt /* Nest registers */ 1694f9924c4SBenjamin Herrenschmidt #define PHB4_PEC_NEST_STK_REGS_COUNT 0x17 1704f9924c4SBenjamin Herrenschmidt uint64_t nest_regs[PHB4_PEC_NEST_STK_REGS_COUNT]; 1714f9924c4SBenjamin Herrenschmidt MemoryRegion nest_regs_mr; 1724f9924c4SBenjamin Herrenschmidt 1734f9924c4SBenjamin Herrenschmidt /* PHB pass-through XSCOM */ 1744f9924c4SBenjamin Herrenschmidt MemoryRegion phb_regs_mr; 1754f9924c4SBenjamin Herrenschmidt 1764f9924c4SBenjamin Herrenschmidt /* The owner PEC */ 1774f9924c4SBenjamin Herrenschmidt PnvPhb4PecState *pec; 1784f9924c4SBenjamin Herrenschmidt 179dc8e2914SDaniel Henrique Barboza /* 180dc8e2914SDaniel Henrique Barboza * PHB4 pointer. pnv_phb4_update_regions() needs to access 181dc8e2914SDaniel Henrique Barboza * the PHB4 via a PnvPhb4PecStack pointer. 182dc8e2914SDaniel Henrique Barboza */ 183dc8e2914SDaniel Henrique Barboza PnvPHB4 *phb; 1844f9924c4SBenjamin Herrenschmidt }; 1854f9924c4SBenjamin Herrenschmidt 1864f9924c4SBenjamin Herrenschmidt struct PnvPhb4PecState { 1874f9924c4SBenjamin Herrenschmidt DeviceState parent; 1884f9924c4SBenjamin Herrenschmidt 1894f9924c4SBenjamin Herrenschmidt /* PEC number in chip */ 1904f9924c4SBenjamin Herrenschmidt uint32_t index; 1914f9924c4SBenjamin Herrenschmidt uint32_t chip_id; 1924f9924c4SBenjamin Herrenschmidt 1934f9924c4SBenjamin Herrenschmidt MemoryRegion *system_memory; 1944f9924c4SBenjamin Herrenschmidt 1954f9924c4SBenjamin Herrenschmidt /* Nest registers, excuding per-stack */ 1964f9924c4SBenjamin Herrenschmidt #define PHB4_PEC_NEST_REGS_COUNT 0xf 1974f9924c4SBenjamin Herrenschmidt uint64_t nest_regs[PHB4_PEC_NEST_REGS_COUNT]; 1984f9924c4SBenjamin Herrenschmidt MemoryRegion nest_regs_mr; 1994f9924c4SBenjamin Herrenschmidt 2004f9924c4SBenjamin Herrenschmidt /* PCI registers, excluding per-stack */ 2014f9924c4SBenjamin Herrenschmidt #define PHB4_PEC_PCI_REGS_COUNT 0x2 2024f9924c4SBenjamin Herrenschmidt uint64_t pci_regs[PHB4_PEC_PCI_REGS_COUNT]; 2034f9924c4SBenjamin Herrenschmidt MemoryRegion pci_regs_mr; 2044f9924c4SBenjamin Herrenschmidt 2054f9924c4SBenjamin Herrenschmidt /* Stacks */ 2064f9924c4SBenjamin Herrenschmidt #define PHB4_PEC_MAX_STACKS 3 2074f9924c4SBenjamin Herrenschmidt uint32_t num_stacks; 2084f9924c4SBenjamin Herrenschmidt PnvPhb4PecStack stacks[PHB4_PEC_MAX_STACKS]; 2096f43d255SCédric Le Goater 2106f43d255SCédric Le Goater PnvChip *chip; 2114f9924c4SBenjamin Herrenschmidt }; 2124f9924c4SBenjamin Herrenschmidt 2134f9924c4SBenjamin Herrenschmidt 214db1015e9SEduardo Habkost struct PnvPhb4PecClass { 2154f9924c4SBenjamin Herrenschmidt DeviceClass parent_class; 2164f9924c4SBenjamin Herrenschmidt 2174f9924c4SBenjamin Herrenschmidt uint32_t (*xscom_nest_base)(PnvPhb4PecState *pec); 2184f9924c4SBenjamin Herrenschmidt uint32_t xscom_nest_size; 2194f9924c4SBenjamin Herrenschmidt uint32_t (*xscom_pci_base)(PnvPhb4PecState *pec); 2204f9924c4SBenjamin Herrenschmidt uint32_t xscom_pci_size; 2214f9924c4SBenjamin Herrenschmidt const char *compat; 2224f9924c4SBenjamin Herrenschmidt int compat_size; 2234f9924c4SBenjamin Herrenschmidt const char *stk_compat; 2244f9924c4SBenjamin Herrenschmidt int stk_compat_size; 22512060cbdSCédric Le Goater uint64_t version; 226cf0ee695SCédric Le Goater const uint32_t *num_stacks; 227db1015e9SEduardo Habkost }; 2284f9924c4SBenjamin Herrenschmidt 2294f9924c4SBenjamin Herrenschmidt #endif /* PCI_HOST_PNV_PHB4_H */ 230