#ifndef _HW_SPAPR_VIO_H #define _HW_SPAPR_VIO_H /* * QEMU sPAPR VIO bus definitions * * Copyright (c) 2010 David Gibson, IBM Corporation <david@gibson.dropbear.id.au> * Based on the s390 virtio bus definitions: * Copyright (c) 2009 Alexander Graf <agraf@suse.de> * * 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/>. */ #define SPAPR_VIO_TCE_PAGE_SHIFT 12 #define SPAPR_VIO_TCE_PAGE_SIZE (1ULL << SPAPR_VIO_TCE_PAGE_SHIFT) #define SPAPR_VIO_TCE_PAGE_MASK (SPAPR_VIO_TCE_PAGE_SIZE - 1) enum VIOsPAPR_TCEAccess { SPAPR_TCE_FAULT = 0, SPAPR_TCE_RO = 1, SPAPR_TCE_WO = 2, SPAPR_TCE_RW = 3, }; #define SPAPR_VTY_BASE_ADDRESS 0x30000000 #define TYPE_VIO_SPAPR_DEVICE "vio-spapr-device" #define VIO_SPAPR_DEVICE(obj) \ OBJECT_CHECK(VIOsPAPRDevice, (obj), TYPE_VIO_SPAPR_DEVICE) #define VIO_SPAPR_DEVICE_CLASS(klass) \ OBJECT_CLASS_CHECK(VIOsPAPRDeviceClass, (klass), TYPE_VIO_SPAPR_DEVICE) #define VIO_SPAPR_DEVICE_GET_CLASS(obj) \ OBJECT_GET_CLASS(VIOsPAPRDeviceClass, (obj), TYPE_VIO_SPAPR_DEVICE) struct VIOsPAPRDevice; typedef struct VIOsPAPR_RTCE { uint64_t tce; } VIOsPAPR_RTCE; typedef struct VIOsPAPR_CRQ { uint64_t qladdr; uint32_t qsize; uint32_t qnext; int(*SendFunc)(struct VIOsPAPRDevice *vdev, uint8_t *crq); } VIOsPAPR_CRQ; typedef struct VIOsPAPRDevice VIOsPAPRDevice; typedef struct VIOsPAPRBus VIOsPAPRBus; typedef struct VIOsPAPRDeviceClass { DeviceClass parent_class; const char *dt_name, *dt_type, *dt_compatible; target_ulong signal_mask; int (*init)(VIOsPAPRDevice *dev); void (*hcalls)(VIOsPAPRBus *bus); int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off); } VIOsPAPRDeviceClass; struct VIOsPAPRDevice { DeviceState qdev; uint32_t reg; uint32_t flags; #define VIO_PAPR_FLAG_DMA_BYPASS 0x1 qemu_irq qirq; uint32_t vio_irq_num; target_ulong signal_state; uint32_t rtce_window_size; VIOsPAPR_RTCE *rtce_table; int kvmtce_fd; VIOsPAPR_CRQ crq; }; #define DEFINE_SPAPR_PROPERTIES(type, field, default_reg, default_dma_window) \ DEFINE_PROP_UINT32("reg", type, field.reg, default_reg), \ DEFINE_PROP_UINT32("dma-window", type, field.rtce_window_size, \ default_dma_window) struct VIOsPAPRBus { BusState bus; const char *dt_name, *dt_type, *dt_compatible; target_ulong signal_mask; int (*init)(VIOsPAPRDevice *dev); int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off); }; extern VIOsPAPRBus *spapr_vio_bus_init(void); extern VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg); extern int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt); extern int spapr_populate_chosen_stdout(void *fdt, VIOsPAPRBus *bus); extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode); int spapr_vio_check_tces(VIOsPAPRDevice *dev, target_ulong ioba, target_ulong len, enum VIOsPAPR_TCEAccess access); int spapr_tce_dma_read(VIOsPAPRDevice *dev, uint64_t taddr, void *buf, uint32_t size); int spapr_tce_dma_write(VIOsPAPRDevice *dev, uint64_t taddr, const void *buf, uint32_t size); int spapr_tce_dma_zero(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t size); void stb_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint8_t val); void sth_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint16_t val); void stw_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t val); void stq_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint64_t val); uint64_t ldq_tce(VIOsPAPRDevice *dev, uint64_t taddr); int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq); void vty_putchars(VIOsPAPRDevice *sdev, uint8_t *buf, int len); void spapr_vty_create(VIOsPAPRBus *bus, uint32_t reg, CharDriverState *chardev); void spapr_vlan_create(VIOsPAPRBus *bus, uint32_t reg, NICInfo *nd); void spapr_vscsi_create(VIOsPAPRBus *bus, uint32_t reg); VIOsPAPRDevice *spapr_vty_get_default(VIOsPAPRBus *bus); int spapr_tce_set_bypass(uint32_t unit, uint32_t enable); void spapr_vio_quiesce(void); #endif /* _HW_SPAPR_VIO_H */