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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/include/hw/ppc/spapr_vio.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/include/hw/ppc/spapr_vio.h')
-rw-r--r--qemu/include/hw/ppc/spapr_vio.h148
1 files changed, 148 insertions, 0 deletions
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 <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)
+
+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 */