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