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/*
* QEMU PowerPC XIVE2 interrupt controller model (POWER10)
*
* Copyright (c) 2019-2024, IBM Corporation.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef PPC_XIVE2_H
#define PPC_XIVE2_H
#include "hw/ppc/xive.h"
#include "hw/ppc/xive2_regs.h"
#include "hw/sysbus.h"
/*
* XIVE2 Router (POWER10)
*/
typedef struct Xive2Router {
SysBusDevice parent;
XiveFabric *xfb;
} Xive2Router;
#define TYPE_XIVE2_ROUTER "xive2-router"
OBJECT_DECLARE_TYPE(Xive2Router, Xive2RouterClass, XIVE2_ROUTER);
/*
* Configuration flags
*/
#define XIVE2_GEN1_TIMA_OS 0x00000001
#define XIVE2_VP_SAVE_RESTORE 0x00000002
#define XIVE2_THREADID_8BITS 0x00000004
typedef struct Xive2RouterClass {
SysBusDeviceClass parent;
/* XIVE table accessors */
int (*get_eas)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
Xive2Eas *eas);
int (*get_pq)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
uint8_t *pq);
int (*set_pq)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
uint8_t *pq);
int (*get_end)(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
Xive2End *end);
int (*write_end)(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
Xive2End *end, uint8_t word_number);
int (*get_nvp)(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
Xive2Nvp *nvp);
int (*write_nvp)(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
Xive2Nvp *nvp, uint8_t word_number);
int (*get_nvgc)(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
int (*write_nvgc)(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
uint8_t (*get_block_id)(Xive2Router *xrtr);
uint32_t (*get_config)(Xive2Router *xrtr);
} Xive2RouterClass;
int xive2_router_get_eas(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
Xive2Eas *eas);
int xive2_router_get_end(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
Xive2End *end);
int xive2_router_write_end(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
Xive2End *end, uint8_t word_number);
int xive2_router_get_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
Xive2Nvp *nvp);
int xive2_router_write_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
Xive2Nvp *nvp, uint8_t word_number);
int xive2_router_get_nvgc(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
int xive2_router_write_nvgc(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
uint32_t xive2_router_get_config(Xive2Router *xrtr);
void xive2_router_notify(XiveNotifier *xn, uint32_t lisn, bool pq_checked);
/*
* XIVE2 Presenter (POWER10)
*/
int xive2_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, bool cam_ignore,
uint32_t logic_serv);
uint64_t xive2_presenter_nvp_backlog_op(XivePresenter *xptr,
uint8_t blk, uint32_t idx,
uint16_t offset);
uint64_t xive2_presenter_nvgc_backlog_op(XivePresenter *xptr,
bool crowd,
uint8_t blk, uint32_t idx,
uint16_t offset, uint16_t val);
/*
* XIVE2 END ESBs (POWER10)
*/
#define TYPE_XIVE2_END_SOURCE "xive2-end-source"
OBJECT_DECLARE_SIMPLE_TYPE(Xive2EndSource, XIVE2_END_SOURCE)
typedef struct Xive2EndSource {
DeviceState parent;
uint32_t nr_ends;
/* ESB memory region */
uint32_t esb_shift;
MemoryRegion esb_mmio;
Xive2Router *xrtr;
} Xive2EndSource;
/*
* XIVE2 Thread Interrupt Management Area (POWER10)
*/
void xive2_tm_set_hv_cppr(XivePresenter *xptr, XiveTCTX *tctx,
hwaddr offset, uint64_t value, unsigned size);
void xive2_tm_set_os_cppr(XivePresenter *xptr, XiveTCTX *tctx,
hwaddr offset, uint64_t value, unsigned size);
void xive2_tm_push_os_ctx(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset,
uint64_t value, unsigned size);
uint64_t xive2_tm_pull_os_ctx(XivePresenter *xptr, XiveTCTX *tctx,
hwaddr offset, unsigned size);
void xive2_tm_pull_os_ctx_ol(XivePresenter *xptr, XiveTCTX *tctx,
hwaddr offset, uint64_t value, unsigned size);
bool xive2_tm_irq_precluded(XiveTCTX *tctx, int ring, uint8_t priority);
void xive2_tm_set_lsmfb(XiveTCTX *tctx, int ring, uint8_t priority);
void xive2_tm_set_hv_target(XivePresenter *xptr, XiveTCTX *tctx,
hwaddr offset, uint64_t value, unsigned size);
void xive2_tm_pull_phys_ctx_ol(XivePresenter *xptr, XiveTCTX *tctx,
hwaddr offset, uint64_t value, unsigned size);
#endif /* PPC_XIVE2_H */
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