From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/include/hw/ppc/spapr_vio.h | 148 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 qemu/include/hw/ppc/spapr_vio.h (limited to 'qemu/include/hw/ppc/spapr_vio.h') diff --git a/qemu/include/hw/ppc/spapr_vio.h b/qemu/include/hw/ppc/spapr_vio.h new file mode 100644 index 000000000..2299a5405 --- /dev/null +++ b/qemu/include/hw/ppc/spapr_vio.h @@ -0,0 +1,148 @@ +#ifndef _HW_SPAPR_VIO_H +#define _HW_SPAPR_VIO_H +/* + * QEMU sPAPR VIO bus definitions + * + * Copyright (c) 2010 David Gibson, IBM Corporation + * Based on the s390 virtio bus definitions: + * Copyright (c) 2009 Alexander Graf + * + * 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 . + */ + +#include "sysemu/dma.h" + +#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) + +#define TYPE_SPAPR_VIO_BUS "spapr-vio-bus" +#define SPAPR_VIO_BUS(obj) OBJECT_CHECK(VIOsPAPRBus, (obj), TYPE_SPAPR_VIO_BUS) + +struct VIOsPAPRDevice; + +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; + uint32_t rtce_window_size; + void (*realize)(VIOsPAPRDevice *dev, Error **errp); + void (*reset)(VIOsPAPRDevice *dev); + int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off); +} VIOsPAPRDeviceClass; + +struct VIOsPAPRDevice { + DeviceState qdev; + uint32_t reg; + uint32_t irq; + target_ulong signal_state; + VIOsPAPR_CRQ crq; + AddressSpace as; + MemoryRegion mrroot; + MemoryRegion mrbypass; + sPAPRTCETable *tcet; +}; + +#define DEFINE_SPAPR_PROPERTIES(type, field) \ + DEFINE_PROP_UINT32("reg", type, field.reg, -1) + +struct VIOsPAPRBus { + BusState bus; + uint32_t next_reg; + 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); + +static inline qemu_irq spapr_vio_qirq(VIOsPAPRDevice *dev) +{ + sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); + + return xics_get_qirq(spapr->icp, dev->irq); +} + +static inline bool spapr_vio_dma_valid(VIOsPAPRDevice *dev, uint64_t taddr, + uint32_t size, DMADirection dir) +{ + return dma_memory_valid(&dev->as, taddr, size, dir); +} + +static inline int spapr_vio_dma_read(VIOsPAPRDevice *dev, uint64_t taddr, + void *buf, uint32_t size) +{ + return (dma_memory_read(&dev->as, taddr, buf, size) != 0) ? + H_DEST_PARM : H_SUCCESS; +} + +static inline int spapr_vio_dma_write(VIOsPAPRDevice *dev, uint64_t taddr, + const void *buf, uint32_t size) +{ + return (dma_memory_write(&dev->as, taddr, buf, size) != 0) ? + H_DEST_PARM : H_SUCCESS; +} + +static inline int spapr_vio_dma_set(VIOsPAPRDevice *dev, uint64_t taddr, + uint8_t c, uint32_t size) +{ + return (dma_memory_set(&dev->as, taddr, c, size) != 0) ? + H_DEST_PARM : H_SUCCESS; +} + +#define vio_stb(_dev, _addr, _val) (stb_dma(&(_dev)->as, (_addr), (_val))) +#define vio_sth(_dev, _addr, _val) (stw_be_dma(&(_dev)->as, (_addr), (_val))) +#define vio_stl(_dev, _addr, _val) (stl_be_dma(&(_dev)->as, (_addr), (_val))) +#define vio_stq(_dev, _addr, _val) (stq_be_dma(&(_dev)->as, (_addr), (_val))) +#define vio_ldq(_dev, _addr) (ldq_be_dma(&(_dev)->as, (_addr))) + +int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq); + +VIOsPAPRDevice *vty_lookup(sPAPRMachineState *spapr, target_ulong reg); +void vty_putchars(VIOsPAPRDevice *sdev, uint8_t *buf, int len); +void spapr_vty_create(VIOsPAPRBus *bus, CharDriverState *chardev); +void spapr_vlan_create(VIOsPAPRBus *bus, NICInfo *nd); +void spapr_vscsi_create(VIOsPAPRBus *bus); + +VIOsPAPRDevice *spapr_vty_get_default(VIOsPAPRBus *bus); + +void spapr_vio_quiesce(void); + +extern const VMStateDescription vmstate_spapr_vio; + +#define VMSTATE_SPAPR_VIO(_f, _s) \ + VMSTATE_STRUCT(_f, _s, 0, vmstate_spapr_vio, VIOsPAPRDevice) + +void spapr_vio_set_bypass(VIOsPAPRDevice *dev, bool bypass); + +#endif /* _HW_SPAPR_VIO_H */ -- cgit 1.2.3-korg