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