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/*
* QEMU PowerPC sPAPR XIVE interrupt controller model
*
* Copyright (c) 2017-2018, IBM Corporation.
*
* This code is licensed under the GPL version 2 or later. See the
* COPYING file in the top-level directory.
*/
#ifndef PPC_SPAPR_XIVE_H
#define PPC_SPAPR_XIVE_H
#include "hw/ppc/spapr_irq.h"
#include "hw/ppc/xive.h"
#define TYPE_SPAPR_XIVE "spapr-xive"
#define SPAPR_XIVE(obj) OBJECT_CHECK(SpaprXive, (obj), TYPE_SPAPR_XIVE)
#define SPAPR_XIVE_CLASS(klass) \
OBJECT_CLASS_CHECK(SpaprXiveClass, (klass), TYPE_SPAPR_XIVE)
#define SPAPR_XIVE_GET_CLASS(obj) \
OBJECT_GET_CLASS(SpaprXiveClass, (obj), TYPE_SPAPR_XIVE)
typedef struct SpaprXive {
XiveRouter parent;
/* Internal interrupt source for IPIs and virtual devices */
XiveSource source;
hwaddr vc_base;
/* END ESB MMIOs */
XiveENDSource end_source;
hwaddr end_base;
/* DT */
gchar *nodename;
/* Routing table */
XiveEAS *eat;
uint32_t nr_irqs;
XiveEND *endt;
uint32_t nr_ends;
/* TIMA mapping address */
hwaddr tm_base;
MemoryRegion tm_mmio;
/* KVM support */
int fd;
void *tm_mmap;
MemoryRegion tm_mmio_kvm;
VMChangeStateEntry *change;
uint8_t hv_prio;
} SpaprXive;
typedef struct SpaprXiveClass {
XiveRouterClass parent;
DeviceRealize parent_realize;
} SpaprXiveClass;
/*
* The sPAPR machine has a unique XIVE IC device. Assign a fixed value
* to the controller block id value. It can nevertheless be changed
* for testing purpose.
*/
#define SPAPR_XIVE_BLOCK_ID 0x0
struct SpaprMachineState;
void spapr_xive_hcall_init(struct SpaprMachineState *spapr);
void spapr_xive_mmio_set_enabled(SpaprXive *xive, bool enable);
void spapr_xive_map_mmio(SpaprXive *xive);
int spapr_xive_end_to_target(uint8_t end_blk, uint32_t end_idx,
uint32_t *out_server, uint8_t *out_prio);
/*
* KVM XIVE device helpers
*/
int kvmppc_xive_connect(SpaprInterruptController *intc, uint32_t nr_servers,
Error **errp);
void kvmppc_xive_disconnect(SpaprInterruptController *intc);
void kvmppc_xive_reset(SpaprXive *xive, Error **errp);
int kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas,
Error **errp);
void kvmppc_xive_sync_source(SpaprXive *xive, uint32_t lisn, Error **errp);
uint64_t kvmppc_xive_esb_rw(XiveSource *xsrc, int srcno, uint32_t offset,
uint64_t data, bool write);
int kvmppc_xive_set_queue_config(SpaprXive *xive, uint8_t end_blk,
uint32_t end_idx, XiveEND *end,
Error **errp);
int kvmppc_xive_get_queue_config(SpaprXive *xive, uint8_t end_blk,
uint32_t end_idx, XiveEND *end,
Error **errp);
void kvmppc_xive_synchronize_state(SpaprXive *xive, Error **errp);
int kvmppc_xive_pre_save(SpaprXive *xive);
int kvmppc_xive_post_load(SpaprXive *xive, int version_id);
#endif /* PPC_SPAPR_XIVE_H */
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