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