xref: /openbmc/qemu/include/hw/ppc/spapr_xive.h (revision 31cf4b97)
1 /*
2  * QEMU PowerPC sPAPR XIVE interrupt controller model
3  *
4  * Copyright (c) 2017-2018, 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 #ifndef PPC_SPAPR_XIVE_H
11 #define PPC_SPAPR_XIVE_H
12 
13 #include "hw/ppc/xive.h"
14 
15 #define TYPE_SPAPR_XIVE "spapr-xive"
16 #define SPAPR_XIVE(obj) OBJECT_CHECK(sPAPRXive, (obj), TYPE_SPAPR_XIVE)
17 
18 typedef struct sPAPRXive {
19     XiveRouter    parent;
20 
21     /* Internal interrupt source for IPIs and virtual devices */
22     XiveSource    source;
23     hwaddr        vc_base;
24 
25     /* END ESB MMIOs */
26     XiveENDSource end_source;
27     hwaddr        end_base;
28 
29     /* Routing table */
30     XiveEAS       *eat;
31     uint32_t      nr_irqs;
32     XiveEND       *endt;
33     uint32_t      nr_ends;
34 
35     /* TIMA mapping address */
36     hwaddr        tm_base;
37     MemoryRegion  tm_mmio;
38 } sPAPRXive;
39 
40 bool spapr_xive_irq_claim(sPAPRXive *xive, uint32_t lisn, bool lsi);
41 bool spapr_xive_irq_free(sPAPRXive *xive, uint32_t lisn);
42 void spapr_xive_pic_print_info(sPAPRXive *xive, Monitor *mon);
43 
44 typedef struct sPAPRMachineState sPAPRMachineState;
45 
46 void spapr_xive_hcall_init(sPAPRMachineState *spapr);
47 void spapr_dt_xive(sPAPRMachineState *spapr, uint32_t nr_servers, void *fdt,
48                    uint32_t phandle);
49 void spapr_xive_set_tctx_os_cam(XiveTCTX *tctx);
50 void spapr_xive_mmio_set_enabled(sPAPRXive *xive, bool enable);
51 
52 #endif /* PPC_SPAPR_XIVE_H */
53