1 #ifndef HW_SPAPR_NESTED_H 2 #define HW_SPAPR_NESTED_H 3 4 #include "target/ppc/cpu.h" 5 6 typedef struct SpaprMachineStateNested { 7 uint64_t ptcr; 8 uint8_t api; 9 #define NESTED_API_KVM_HV 1 10 bool capabilities_set; 11 uint32_t pvr_base; 12 GHashTable *guests; 13 } SpaprMachineStateNested; 14 15 typedef struct SpaprMachineStateNestedGuest { 16 uint32_t pvr_logical; 17 } SpaprMachineStateNestedGuest; 18 19 /* Nested PAPR API related macros */ 20 #define H_GUEST_CAPABILITIES_COPY_MEM 0x8000000000000000 21 #define H_GUEST_CAPABILITIES_P9_MODE 0x4000000000000000 22 #define H_GUEST_CAPABILITIES_P10_MODE 0x2000000000000000 23 #define H_GUEST_CAP_VALID_MASK (H_GUEST_CAPABILITIES_P10_MODE | \ 24 H_GUEST_CAPABILITIES_P9_MODE) 25 #define H_GUEST_CAP_COPY_MEM_BMAP 0 26 #define H_GUEST_CAP_P9_MODE_BMAP 1 27 #define H_GUEST_CAP_P10_MODE_BMAP 2 28 #define PAPR_NESTED_GUEST_MAX 4096 29 #define H_GUEST_DELETE_ALL_FLAG 0x8000000000000000ULL 30 31 /* 32 * Register state for entering a nested guest with H_ENTER_NESTED. 33 * New member must be added at the end. 34 */ 35 struct kvmppc_hv_guest_state { 36 uint64_t version; /* version of this structure layout, must be first */ 37 uint32_t lpid; 38 uint32_t vcpu_token; 39 /* These registers are hypervisor privileged (at least for writing) */ 40 uint64_t lpcr; 41 uint64_t pcr; 42 uint64_t amor; 43 uint64_t dpdes; 44 uint64_t hfscr; 45 int64_t tb_offset; 46 uint64_t dawr0; 47 uint64_t dawrx0; 48 uint64_t ciabr; 49 uint64_t hdec_expiry; 50 uint64_t purr; 51 uint64_t spurr; 52 uint64_t ic; 53 uint64_t vtb; 54 uint64_t hdar; 55 uint64_t hdsisr; 56 uint64_t heir; 57 uint64_t asdr; 58 /* These are OS privileged but need to be set late in guest entry */ 59 uint64_t srr0; 60 uint64_t srr1; 61 uint64_t sprg[4]; 62 uint64_t pidr; 63 uint64_t cfar; 64 uint64_t ppr; 65 /* Version 1 ends here */ 66 uint64_t dawr1; 67 uint64_t dawrx1; 68 /* Version 2 ends here */ 69 }; 70 71 /* Latest version of hv_guest_state structure */ 72 #define HV_GUEST_STATE_VERSION 2 73 74 /* Linux 64-bit powerpc pt_regs struct, used by nested HV */ 75 struct kvmppc_pt_regs { 76 uint64_t gpr[32]; 77 uint64_t nip; 78 uint64_t msr; 79 uint64_t orig_gpr3; /* Used for restarting system calls */ 80 uint64_t ctr; 81 uint64_t link; 82 uint64_t xer; 83 uint64_t ccr; 84 uint64_t softe; /* Soft enabled/disabled */ 85 uint64_t trap; /* Reason for being here */ 86 uint64_t dar; /* Fault registers */ 87 uint64_t dsisr; /* on 4xx/Book-E used for ESR */ 88 uint64_t result; /* Result of a system call */ 89 }; 90 91 /* 92 * nested_ppc_state is used to save the host CPU state before switching it to 93 * the guest CPU state, to be restored on H_ENTER_NESTED exit. 94 */ 95 struct nested_ppc_state { 96 uint64_t gpr[32]; 97 uint64_t lr; 98 uint64_t ctr; 99 uint64_t cfar; 100 uint64_t msr; 101 uint64_t nip; 102 uint32_t cr; 103 104 uint64_t xer; 105 106 uint64_t lpcr; 107 uint64_t lpidr; 108 uint64_t pidr; 109 uint64_t pcr; 110 uint64_t dpdes; 111 uint64_t hfscr; 112 uint64_t srr0; 113 uint64_t srr1; 114 uint64_t sprg0; 115 uint64_t sprg1; 116 uint64_t sprg2; 117 uint64_t sprg3; 118 uint64_t ppr; 119 120 int64_t tb_offset; 121 }; 122 123 void spapr_exit_nested(PowerPCCPU *cpu, int excp); 124 typedef struct SpaprMachineState SpaprMachineState; 125 bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, 126 target_ulong lpid, ppc_v3_pate_t *entry); 127 uint8_t spapr_nested_api(SpaprMachineState *spapr); 128 #endif /* HW_SPAPR_NESTED_H */ 129