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 /* DT */ 30 gchar *nodename; 31 32 /* Routing table */ 33 XiveEAS *eat; 34 uint32_t nr_irqs; 35 XiveEND *endt; 36 uint32_t nr_ends; 37 38 /* TIMA mapping address */ 39 hwaddr tm_base; 40 MemoryRegion tm_mmio; 41 42 /* KVM support */ 43 int fd; 44 void *tm_mmap; 45 MemoryRegion tm_mmio_kvm; 46 VMChangeStateEntry *change; 47 } SpaprXive; 48 49 /* 50 * The sPAPR machine has a unique XIVE IC device. Assign a fixed value 51 * to the controller block id value. It can nevertheless be changed 52 * for testing purpose. 53 */ 54 #define SPAPR_XIVE_BLOCK_ID 0x0 55 56 bool spapr_xive_irq_claim(SpaprXive *xive, uint32_t lisn, bool lsi); 57 bool spapr_xive_irq_free(SpaprXive *xive, uint32_t lisn); 58 void spapr_xive_pic_print_info(SpaprXive *xive, Monitor *mon); 59 int spapr_xive_post_load(SpaprXive *xive, int version_id); 60 61 void spapr_xive_hcall_init(SpaprMachineState *spapr); 62 void spapr_dt_xive(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt, 63 uint32_t phandle); 64 void spapr_xive_set_tctx_os_cam(XiveTCTX *tctx); 65 void spapr_xive_mmio_set_enabled(SpaprXive *xive, bool enable); 66 void spapr_xive_map_mmio(SpaprXive *xive); 67 68 int spapr_xive_end_to_target(uint8_t end_blk, uint32_t end_idx, 69 uint32_t *out_server, uint8_t *out_prio); 70 71 /* 72 * KVM XIVE device helpers 73 */ 74 void kvmppc_xive_connect(SpaprXive *xive, Error **errp); 75 void kvmppc_xive_disconnect(SpaprXive *xive, Error **errp); 76 void kvmppc_xive_reset(SpaprXive *xive, Error **errp); 77 void kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas, 78 Error **errp); 79 void kvmppc_xive_sync_source(SpaprXive *xive, uint32_t lisn, Error **errp); 80 uint64_t kvmppc_xive_esb_rw(XiveSource *xsrc, int srcno, uint32_t offset, 81 uint64_t data, bool write); 82 void kvmppc_xive_set_queue_config(SpaprXive *xive, uint8_t end_blk, 83 uint32_t end_idx, XiveEND *end, 84 Error **errp); 85 void kvmppc_xive_get_queue_config(SpaprXive *xive, uint8_t end_blk, 86 uint32_t end_idx, XiveEND *end, 87 Error **errp); 88 void kvmppc_xive_synchronize_state(SpaprXive *xive, Error **errp); 89 int kvmppc_xive_pre_save(SpaprXive *xive); 90 int kvmppc_xive_post_load(SpaprXive *xive, int version_id); 91 92 #endif /* PPC_SPAPR_XIVE_H */ 93