| #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/>. |
| */ |
| |
| #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) |
| |
| #define TYPE_SPAPR_VIO_BRIDGE "spapr-vio-bridge" |
| |
| 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; |
| uint64_t 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->xics, 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 */ |