/* * QEMU SPAPR PCI BUS definitions * * Copyright (c) 2011 Alexey Kardashevskiy <aik@au1.ibm.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #if !defined(__HW_SPAPR_H__) #error Please include spapr.h before this file! #endif #if !defined(__HW_SPAPR_PCI_H__) #define __HW_SPAPR_PCI_H__ #include "hw/pci/pci.h" #include "hw/pci/pci_host.h" #include "hw/xics.h" #define SPAPR_MSIX_MAX_DEVS 32 #define TYPE_SPAPR_PCI_HOST_BRIDGE "spapr-pci-host-bridge" #define SPAPR_PCI_HOST_BRIDGE(obj) \ OBJECT_CHECK(sPAPRPHBState, (obj), TYPE_SPAPR_PCI_HOST_BRIDGE) typedef struct sPAPRPHBState { PCIHostState parent_obj; int32_t index; uint64_t buid; char *busname; char *dtbusname; MemoryRegion memspace, iospace; hwaddr mem_win_addr, mem_win_size, io_win_addr, io_win_size; hwaddr msi_win_addr; MemoryRegion memwindow, iowindow, msiwindow; uint32_t dma_liobn; uint64_t dma_window_start; uint64_t dma_window_size; DMAContext *dma; struct { uint32_t irq; } lsi_table[PCI_NUM_PINS]; struct { uint32_t config_addr; uint32_t irq; int nvec; } msi_table[SPAPR_MSIX_MAX_DEVS]; QLIST_ENTRY(sPAPRPHBState) list; } sPAPRPHBState; #define SPAPR_PCI_BASE_BUID 0x800000020000000ULL #define SPAPR_PCI_WINDOW_BASE 0x10000000000ULL #define SPAPR_PCI_WINDOW_SPACING 0x1000000000ULL #define SPAPR_PCI_MMIO_WIN_OFF 0xA0000000 #define SPAPR_PCI_MMIO_WIN_SIZE 0x20000000 #define SPAPR_PCI_IO_WIN_OFF 0x80000000 #define SPAPR_PCI_IO_WIN_SIZE 0x10000 #define SPAPR_PCI_MSI_WIN_OFF 0x90000000 #define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL static inline qemu_irq spapr_phb_lsi_qirq(struct sPAPRPHBState *phb, int pin) { return xics_get_qirq(spapr->icp, phb->lsi_table[pin].irq); } PCIHostState *spapr_create_phb(sPAPREnvironment *spapr, int index, const char *busname); int spapr_populate_pci_dt(sPAPRPHBState *phb, uint32_t xics_phandle, void *fdt); void spapr_pci_rtas_init(void); #endif /* __HW_SPAPR_PCI_H__ */