xref: /qemu/include/hw/ppc/xive2.h (revision e16032b8dc56332096111ce02741a03c88c7be43)
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/xive2_regs.h"
15 
16 /*
17  * XIVE2 Router (POWER10)
18  */
19 typedef struct Xive2Router {
20     SysBusDevice    parent;
21 
22     XiveFabric *xfb;
23 } Xive2Router;
24 
25 #define TYPE_XIVE2_ROUTER "xive2-router"
26 OBJECT_DECLARE_TYPE(Xive2Router, Xive2RouterClass, XIVE2_ROUTER);
27 
28 /*
29  * Configuration flags
30  */
31 
32 #define XIVE2_GEN1_TIMA_OS      0x00000001
33 
34 typedef struct Xive2RouterClass {
35     SysBusDeviceClass parent;
36 
37     /* XIVE table accessors */
38     int (*get_eas)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
39                    Xive2Eas *eas);
40     int (*get_pq)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
41                   uint8_t *pq);
42     int (*set_pq)(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
43                   uint8_t *pq);
44     int (*get_end)(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
45                    Xive2End *end);
46     int (*write_end)(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
47                      Xive2End *end, uint8_t word_number);
48     int (*get_nvp)(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
49                    Xive2Nvp *nvp);
50     int (*write_nvp)(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
51                      Xive2Nvp *nvp, uint8_t word_number);
52     uint8_t (*get_block_id)(Xive2Router *xrtr);
53     uint32_t (*get_config)(Xive2Router *xrtr);
54 } Xive2RouterClass;
55 
56 int xive2_router_get_eas(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx,
57                         Xive2Eas *eas);
58 int xive2_router_get_end(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
59                         Xive2End *end);
60 int xive2_router_write_end(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx,
61                           Xive2End *end, uint8_t word_number);
62 int xive2_router_get_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
63                         Xive2Nvp *nvp);
64 int xive2_router_write_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
65                           Xive2Nvp *nvp, uint8_t word_number);
66 uint32_t xive2_router_get_config(Xive2Router *xrtr);
67 
68 void xive2_router_notify(XiveNotifier *xn, uint32_t lisn, bool pq_checked);
69 
70 /*
71  * XIVE2 Presenter (POWER10)
72  */
73 
74 int xive2_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
75                                uint8_t format,
76                                uint8_t nvt_blk, uint32_t nvt_idx,
77                                bool cam_ignore, uint32_t logic_serv);
78 
79 /*
80  * XIVE2 END ESBs  (POWER10)
81  */
82 
83 #define TYPE_XIVE2_END_SOURCE "xive2-end-source"
84 OBJECT_DECLARE_SIMPLE_TYPE(Xive2EndSource, XIVE2_END_SOURCE)
85 
86 typedef struct Xive2EndSource {
87     DeviceState parent;
88 
89     uint32_t        nr_ends;
90 
91     /* ESB memory region */
92     uint32_t        esb_shift;
93     MemoryRegion    esb_mmio;
94 
95     Xive2Router     *xrtr;
96 } Xive2EndSource;
97 
98 /*
99  * XIVE2 Thread Interrupt Management Area (POWER10)
100  */
101 
102 void xive2_tm_push_os_ctx(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset,
103                            uint64_t value, unsigned size);
104 uint64_t xive2_tm_pull_os_ctx(XivePresenter *xptr, XiveTCTX *tctx,
105                                hwaddr offset, unsigned size);
106 
107 #endif /* PPC_XIVE2_H */
108