include/hw/ppc/xive2.h

   1 /*
   2  * QEMU PowerPC XIVE2 interrupt controller model  (POWER10)
   3  *
   4  * Copyright (c) 2019-2022, IBM Corporation.
   5  *
   6  * This code is licensed under the GPL version 2 or later. See the
   7  * COPYING file in the top-level directory.
   8  *
   9  */
  10
  11 #ifndef PPC_XIVE2_H
  12 #define PPC_XIVE2_H
  13
  14 #include "hw/ppc/xive.h"
  15 #include "hw/ppc/xive2_regs.h"
  16 #include "hw/sysbus.h"
  17
  18 /*
  19  * XIVE2 Router (POWER10)
  20  */
  21 typedef struct Xive2Router {
  22     SysBusDevice    parent;
  23
  24     XiveFabric *xfb;
  25 } Xive2Router;
  26
  27 #define TYPE_XIVE2_ROUTER "xive2-router"
  28 OBJECT_DECLARE_TYPE(Xive2Router, Xive2RouterClass, XIVE2_ROUTER);
  29
  30 /*
  31  * Configuration flags
  32  */
  33
  34 #define XIVE2_GEN1_TIMA_OS      0x00000001
  35 #define XIVE2_VP_SAVE_RESTORE   0x00000002
  36 #define XIVE2_THREADID_8BITS    0x00000004
  37
  38 typedef struct Xive2RouterClass {
  39     SysBusDeviceClass parent;
  40
  41     /* XIVE table accessors */
  42     int (*get_eas)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
  43                    Xive2Eas *eas);
  44     int (*get_pq)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
  45                   uint8_t *pq);
  46     int (*set_pq)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
  47                   uint8_t *pq);
  48     int (*get_end)(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
  49                    Xive2End *end);
  50     int (*write_end)(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
  51                      Xive2End *end, uint8_t word_number);
  52     int (*get_nvp)(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
  53                    Xive2Nvp *nvp);
  54     int (*write_nvp)(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
  55                      Xive2Nvp *nvp, uint8_t word_number);
  56     uint8_t (*get_block_id)(Xive2Router *xrtr);
  57     uint32_t (*get_config)(Xive2Router *xrtr);
  58 } Xive2RouterClass;
  59
  60 int xive2_router_get_eas(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
  61                         Xive2Eas *eas);
  62 int xive2_router_get_end(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
  63                         Xive2End *end);
  64 int xive2_router_write_end(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
  65                           Xive2End *end, uint8_t word_number);
  66 int xive2_router_get_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
  67                         Xive2Nvp *nvp);
  68 int xive2_router_write_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
  69                           Xive2Nvp *nvp, uint8_t word_number);
  70 uint32_t xive2_router_get_config(Xive2Router *xrtr);
  71
  72 void xive2_router_notify(XiveNotifier *xn, uint32_t lisn, bool pq_checked);
  73
  74 /*
  75  * XIVE2 Presenter (POWER10)
  76  */
  77
  78 int xive2_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
  79                                uint8_t format,
  80                                uint8_t nvt_blk, uint32_t nvt_idx,
  81                                bool cam_ignore, uint32_t logic_serv);
  82
  83 /*
  84  * XIVE2 END ESBs  (POWER10)
  85  */
  86
  87 #define TYPE_XIVE2_END_SOURCE "xive2-end-source"
  88 OBJECT_DECLARE_SIMPLE_TYPE(Xive2EndSource, XIVE2_END_SOURCE)
  89
  90 typedef struct Xive2EndSource {
  91     DeviceState parent;
  92
  93     uint32_t        nr_ends;
  94
  95     /* ESB memory region */
  96     uint32_t        esb_shift;
  97     MemoryRegion    esb_mmio;
  98
  99     Xive2Router     *xrtr;
 100 } Xive2EndSource;
 101
 102 /*
 103  * XIVE2 Thread Interrupt Management Area (POWER10)
 104  */
 105
 106 void xive2_tm_push_os_ctx(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset,
 107                            uint64_t value, unsigned size);
 108 uint64_t xive2_tm_pull_os_ctx(XivePresenter *xptr, XiveTCTX *tctx,
 109                                hwaddr offset, unsigned size);
 110
 111 #endif /* PPC_XIVE2_H */