diff options
Diffstat (limited to 'include/hw/pci-host/spapr.h')
-rw-r--r-- | include/hw/pci-host/spapr.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h new file mode 100644 index 0000000..b21080c --- /dev/null +++ b/include/hw/pci-host/spapr.h @@ -0,0 +1,92 @@ +/* + * 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/ppc/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 *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); + +int spapr_populate_pci_dt(sPAPRPHBState *phb, + uint32_t xics_phandle, + void *fdt); + +void spapr_pci_rtas_init(void); + +#endif /* __HW_SPAPR_PCI_H__ */ |