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 13c0a5a477SMarkus Armbruster #include "hw/pci-host/pnv_phb.h" 14674b0a57SMarkus Armbruster #include "hw/pci/pci_bus.h" 15c0a5a477SMarkus Armbruster #include "hw/ppc/pnv.h" 164f9924c4SBenjamin Herrenschmidt #include "hw/ppc/xive.h" 17db1015e9SEduardo Habkost #include "qom/object.h" 184f9924c4SBenjamin Herrenschmidt 194f9924c4SBenjamin Herrenschmidt typedef struct PnvPhb4PecStack PnvPhb4PecStack; 204f9924c4SBenjamin Herrenschmidt typedef struct PnvPHB4 PnvPHB4; 214f9924c4SBenjamin Herrenschmidt 224f9924c4SBenjamin Herrenschmidt /* 234f9924c4SBenjamin Herrenschmidt * We have one such address space wrapper per possible device under 244f9924c4SBenjamin Herrenschmidt * the PHB since they need to be assigned statically at qemu device 254f9924c4SBenjamin Herrenschmidt * creation time. The relationship to a PE is done later 264f9924c4SBenjamin Herrenschmidt * dynamically. This means we can potentially create a lot of these 274f9924c4SBenjamin Herrenschmidt * guys. Q35 stores them as some kind of radix tree but we never 284f9924c4SBenjamin Herrenschmidt * really need to do fast lookups so instead we simply keep a QLIST of 294f9924c4SBenjamin Herrenschmidt * them for now, we can add the radix if needed later on. 304f9924c4SBenjamin Herrenschmidt * 314f9924c4SBenjamin Herrenschmidt * We do cache the PE number to speed things up a bit though. 324f9924c4SBenjamin Herrenschmidt */ 334f9924c4SBenjamin Herrenschmidt typedef struct PnvPhb4DMASpace { 344f9924c4SBenjamin Herrenschmidt PCIBus *bus; 354f9924c4SBenjamin Herrenschmidt uint8_t devfn; 364f9924c4SBenjamin Herrenschmidt int pe_num; /* Cached PE number */ 374f9924c4SBenjamin Herrenschmidt #define PHB_INVALID_PE (-1) 384f9924c4SBenjamin Herrenschmidt PnvPHB4 *phb; 394f9924c4SBenjamin Herrenschmidt AddressSpace dma_as; 404f9924c4SBenjamin Herrenschmidt IOMMUMemoryRegion dma_mr; 414f9924c4SBenjamin Herrenschmidt MemoryRegion msi32_mr; 424f9924c4SBenjamin Herrenschmidt MemoryRegion msi64_mr; 434f9924c4SBenjamin Herrenschmidt QLIST_ENTRY(PnvPhb4DMASpace) list; 444f9924c4SBenjamin Herrenschmidt } PnvPhb4DMASpace; 454f9924c4SBenjamin Herrenschmidt 46b7c1750dSDaniel Henrique Barboza /* 47b7c1750dSDaniel Henrique Barboza * PHB4 PCIe Root Bus 48b7c1750dSDaniel Henrique Barboza */ 4945157581SDaniel Henrique Barboza #define TYPE_PNV_PHB4_ROOT_BUS "pnv-phb4-root" 50b7c1750dSDaniel Henrique Barboza struct PnvPHB4RootBus { 51b7c1750dSDaniel Henrique Barboza PCIBus parent; 52b7c1750dSDaniel Henrique Barboza 53b7c1750dSDaniel Henrique Barboza uint32_t chip_id; 54b7c1750dSDaniel Henrique Barboza uint32_t phb_id; 55b7c1750dSDaniel Henrique Barboza }; 56b7c1750dSDaniel Henrique Barboza OBJECT_DECLARE_SIMPLE_TYPE(PnvPHB4RootBus, PNV_PHB4_ROOT_BUS) 574f9924c4SBenjamin Herrenschmidt 584f9924c4SBenjamin Herrenschmidt /* 594f9924c4SBenjamin Herrenschmidt * PHB4 PCIe Host Bridge for PowerNV machines (POWER9) 604f9924c4SBenjamin Herrenschmidt */ 614f9924c4SBenjamin Herrenschmidt #define TYPE_PNV_PHB4 "pnv-phb4" 628063396bSEduardo Habkost OBJECT_DECLARE_SIMPLE_TYPE(PnvPHB4, PNV_PHB4) 634f9924c4SBenjamin Herrenschmidt 644f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_LSIs 8 654f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_INTs 4096 664f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_MIST (PNV_PHB4_MAX_INTs >> 2) 674f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_MMIO_WINDOWS 32 684f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MIN_MMIO_WINDOWS 16 694f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_NUM_REGS (0x3000 >> 3) 704f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_PEs 512 714f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_TVEs (PNV_PHB4_MAX_PEs * 2) 724f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_PEEVs (PNV_PHB4_MAX_PEs / 64) 734f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_MAX_MBEs (PNV_PHB4_MAX_MMIO_WINDOWS * 2) 744f9924c4SBenjamin Herrenschmidt 754f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_VERSION 0x000000a400000002ull 764f9924c4SBenjamin Herrenschmidt #define PNV_PHB4_DEVICE_ID 0x04c1 774f9924c4SBenjamin Herrenschmidt 784f9924c4SBenjamin Herrenschmidt #define PCI_MMIO_TOTAL_SIZE (0x1ull << 60) 794f9924c4SBenjamin Herrenschmidt 804f9924c4SBenjamin Herrenschmidt struct PnvPHB4 { 81210aacb3SDaniel Henrique Barboza DeviceState parent; 82210aacb3SDaniel Henrique Barboza 83210aacb3SDaniel Henrique Barboza PnvPHB *phb_base; 844f9924c4SBenjamin Herrenschmidt 854f9924c4SBenjamin Herrenschmidt uint32_t chip_id; 864f9924c4SBenjamin Herrenschmidt uint32_t phb_id; 874f9924c4SBenjamin Herrenschmidt 88d2704eb3SDaniel Henrique Barboza /* The owner PEC */ 89d2704eb3SDaniel Henrique Barboza PnvPhb4PecState *pec; 90d2704eb3SDaniel Henrique Barboza 914f9924c4SBenjamin Herrenschmidt char bus_path[8]; 924f9924c4SBenjamin Herrenschmidt 934f9924c4SBenjamin Herrenschmidt /* Main register images */ 944f9924c4SBenjamin Herrenschmidt uint64_t regs[PNV_PHB4_NUM_REGS]; 954f9924c4SBenjamin Herrenschmidt MemoryRegion mr_regs; 964f9924c4SBenjamin Herrenschmidt 974f9924c4SBenjamin Herrenschmidt /* Extra SCOM-only register */ 984f9924c4SBenjamin Herrenschmidt uint64_t scom_hv_ind_addr_reg; 994f9924c4SBenjamin Herrenschmidt 1004f9924c4SBenjamin Herrenschmidt /* 1014f9924c4SBenjamin Herrenschmidt * Geometry of the PHB. There are two types, small and big PHBs, a 1024f9924c4SBenjamin Herrenschmidt * number of resources (number of PEs, windows etc...) are doubled 1034f9924c4SBenjamin Herrenschmidt * for a big PHB 1044f9924c4SBenjamin Herrenschmidt */ 1054f9924c4SBenjamin Herrenschmidt bool big_phb; 1064f9924c4SBenjamin Herrenschmidt 1074f9924c4SBenjamin Herrenschmidt /* Memory regions for MMIO space */ 1084f9924c4SBenjamin Herrenschmidt MemoryRegion mr_mmio[PNV_PHB4_MAX_MMIO_WINDOWS]; 1094f9924c4SBenjamin Herrenschmidt 1104f9924c4SBenjamin Herrenschmidt /* PCI side space */ 1114f9924c4SBenjamin Herrenschmidt MemoryRegion pci_mmio; 1124f9924c4SBenjamin Herrenschmidt MemoryRegion pci_io; 1134f9924c4SBenjamin Herrenschmidt 114df462784SDaniel Henrique Barboza /* PCI registers (excluding pass-through) */ 115df462784SDaniel Henrique Barboza #define PHB4_PEC_PCI_STK_REGS_COUNT 0xf 116df462784SDaniel Henrique Barboza uint64_t pci_regs[PHB4_PEC_PCI_STK_REGS_COUNT]; 117df462784SDaniel Henrique Barboza MemoryRegion pci_regs_mr; 118df462784SDaniel Henrique Barboza 11998f08333SDaniel Henrique Barboza /* Nest registers */ 12098f08333SDaniel Henrique Barboza #define PHB4_PEC_NEST_STK_REGS_COUNT 0x17 12198f08333SDaniel Henrique Barboza uint64_t nest_regs[PHB4_PEC_NEST_STK_REGS_COUNT]; 122867683d8SDaniel Henrique Barboza MemoryRegion nest_regs_mr; 12398f08333SDaniel Henrique Barboza 124293a1d27SDaniel Henrique Barboza /* PHB pass-through XSCOM */ 125293a1d27SDaniel Henrique Barboza MemoryRegion phb_regs_mr; 126293a1d27SDaniel Henrique Barboza 127e0d2379fSDaniel Henrique Barboza /* Memory windows from PowerBus to PHB */ 128e0d2379fSDaniel Henrique Barboza MemoryRegion phbbar; 129db16c02eSDaniel Henrique Barboza MemoryRegion intbar; 1301293d735SDaniel Henrique Barboza MemoryRegion mmbar0; 1311293d735SDaniel Henrique Barboza MemoryRegion mmbar1; 1321293d735SDaniel Henrique Barboza uint64_t mmio0_base; 1331293d735SDaniel Henrique Barboza uint64_t mmio0_size; 1341293d735SDaniel Henrique Barboza uint64_t mmio1_base; 1351293d735SDaniel Henrique Barboza uint64_t mmio1_size; 136e0d2379fSDaniel Henrique Barboza 1374f9924c4SBenjamin Herrenschmidt /* On-chip IODA tables */ 1384f9924c4SBenjamin Herrenschmidt uint64_t ioda_LIST[PNV_PHB4_MAX_LSIs]; 1394f9924c4SBenjamin Herrenschmidt uint64_t ioda_MIST[PNV_PHB4_MAX_MIST]; 1404f9924c4SBenjamin Herrenschmidt uint64_t ioda_TVT[PNV_PHB4_MAX_TVEs]; 1414f9924c4SBenjamin Herrenschmidt uint64_t ioda_MBT[PNV_PHB4_MAX_MBEs]; 1424f9924c4SBenjamin Herrenschmidt uint64_t ioda_MDT[PNV_PHB4_MAX_PEs]; 1434f9924c4SBenjamin Herrenschmidt uint64_t ioda_PEEV[PNV_PHB4_MAX_PEEVs]; 1444f9924c4SBenjamin Herrenschmidt 1454f9924c4SBenjamin Herrenschmidt /* 1464f9924c4SBenjamin Herrenschmidt * The internal PESTA/B is 2 bits per PE split into two tables, we 1474f9924c4SBenjamin Herrenschmidt * store them in a single array here to avoid wasting space. 1484f9924c4SBenjamin Herrenschmidt */ 1494f9924c4SBenjamin Herrenschmidt uint8_t ioda_PEST_AB[PNV_PHB4_MAX_PEs]; 1504f9924c4SBenjamin Herrenschmidt 1514f9924c4SBenjamin Herrenschmidt /* P9 Interrupt generation */ 1524f9924c4SBenjamin Herrenschmidt XiveSource xsrc; 1534f9924c4SBenjamin Herrenschmidt qemu_irq *qirqs; 1544f9924c4SBenjamin Herrenschmidt 1554f9924c4SBenjamin Herrenschmidt QLIST_HEAD(, PnvPhb4DMASpace) dma_spaces; 1564f9924c4SBenjamin Herrenschmidt }; 1574f9924c4SBenjamin Herrenschmidt 1584f9924c4SBenjamin Herrenschmidt void pnv_phb4_pic_print_info(PnvPHB4 *phb, Monitor *mon); 1595032f5d7SDaniel Henrique Barboza int pnv_phb4_pec_get_phb_id(PnvPhb4PecState *pec, int stack_index); 160fe5bfd4bSDaniel Henrique Barboza void pnv_phb4_bus_init(DeviceState *dev, PnvPHB4 *phb); 1614f9924c4SBenjamin Herrenschmidt extern const MemoryRegionOps pnv_phb4_xscom_ops; 1624f9924c4SBenjamin Herrenschmidt 1634f9924c4SBenjamin Herrenschmidt /* 1644f9924c4SBenjamin Herrenschmidt * PHB4 PEC (PCI Express Controller) 1654f9924c4SBenjamin Herrenschmidt */ 1664f9924c4SBenjamin Herrenschmidt #define TYPE_PNV_PHB4_PEC "pnv-phb4-pec" 167a489d195SEduardo Habkost OBJECT_DECLARE_TYPE(PnvPhb4PecState, PnvPhb4PecClass, PNV_PHB4_PEC) 1684f9924c4SBenjamin Herrenschmidt 1694f9924c4SBenjamin Herrenschmidt struct PnvPhb4PecState { 1704f9924c4SBenjamin Herrenschmidt DeviceState parent; 1714f9924c4SBenjamin Herrenschmidt 1724f9924c4SBenjamin Herrenschmidt /* PEC number in chip */ 1734f9924c4SBenjamin Herrenschmidt uint32_t index; 1744f9924c4SBenjamin Herrenschmidt uint32_t chip_id; 1754f9924c4SBenjamin Herrenschmidt 1764f9924c4SBenjamin Herrenschmidt /* Nest registers, excuding per-stack */ 1774f9924c4SBenjamin Herrenschmidt #define PHB4_PEC_NEST_REGS_COUNT 0xf 1784f9924c4SBenjamin Herrenschmidt uint64_t nest_regs[PHB4_PEC_NEST_REGS_COUNT]; 1794f9924c4SBenjamin Herrenschmidt MemoryRegion nest_regs_mr; 1804f9924c4SBenjamin Herrenschmidt 1814f9924c4SBenjamin Herrenschmidt /* PCI registers, excluding per-stack */ 1827e515769SFrederic Barrat #define PHB4_PEC_PCI_REGS_COUNT 0x3 1834f9924c4SBenjamin Herrenschmidt uint64_t pci_regs[PHB4_PEC_PCI_REGS_COUNT]; 1844f9924c4SBenjamin Herrenschmidt MemoryRegion pci_regs_mr; 1854f9924c4SBenjamin Herrenschmidt 1863f4c369eSDaniel Henrique Barboza /* PHBs */ 1873f4c369eSDaniel Henrique Barboza uint32_t num_phbs; 1886f43d255SCédric Le Goater 1896f43d255SCédric Le Goater PnvChip *chip; 1904f9924c4SBenjamin Herrenschmidt }; 1914f9924c4SBenjamin Herrenschmidt 1924f9924c4SBenjamin Herrenschmidt 193db1015e9SEduardo Habkost struct PnvPhb4PecClass { 1944f9924c4SBenjamin Herrenschmidt DeviceClass parent_class; 1954f9924c4SBenjamin Herrenschmidt 1964f9924c4SBenjamin Herrenschmidt uint32_t (*xscom_nest_base)(PnvPhb4PecState *pec); 1974f9924c4SBenjamin Herrenschmidt uint32_t xscom_nest_size; 1984f9924c4SBenjamin Herrenschmidt uint32_t (*xscom_pci_base)(PnvPhb4PecState *pec); 1994f9924c4SBenjamin Herrenschmidt uint32_t xscom_pci_size; 2004f9924c4SBenjamin Herrenschmidt const char *compat; 2014f9924c4SBenjamin Herrenschmidt int compat_size; 2024f9924c4SBenjamin Herrenschmidt const char *stk_compat; 2034f9924c4SBenjamin Herrenschmidt int stk_compat_size; 20412060cbdSCédric Le Goater uint64_t version; 205d3df1f64SFrederic Barrat const char *phb_type; 2063f4c369eSDaniel Henrique Barboza const uint32_t *num_phbs; 207db1015e9SEduardo Habkost }; 2084f9924c4SBenjamin Herrenschmidt 209623575e1SCédric Le Goater /* 210623575e1SCédric Le Goater * POWER10 definitions 211623575e1SCédric Le Goater */ 212623575e1SCédric Le Goater 213d3df1f64SFrederic Barrat #define TYPE_PNV_PHB5 "pnv-phb5" 214d3df1f64SFrederic Barrat #define PNV_PHB5(obj) \ 215d3df1f64SFrederic Barrat OBJECT_CHECK(PnvPhb4, (obj), TYPE_PNV_PHB5) 216d3df1f64SFrederic Barrat 217*bd34c911SFrederic Barrat #define PNV_PHB5_VERSION 0x000000a500000002ull 218623575e1SCédric Le Goater 219623575e1SCédric Le Goater #define TYPE_PNV_PHB5_PEC "pnv-phb5-pec" 220623575e1SCédric Le Goater #define PNV_PHB5_PEC(obj) \ 221623575e1SCédric Le Goater OBJECT_CHECK(PnvPhb4PecState, (obj), TYPE_PNV_PHB5_PEC) 222623575e1SCédric Le Goater 2234f9924c4SBenjamin Herrenschmidt #endif /* PCI_HOST_PNV_PHB4_H */ 224