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 unsigned long nr_vcpus; 18 struct SpaprMachineStateNestedGuestVcpu *vcpus; 19 } SpaprMachineStateNestedGuest; 20 21 /* Nested PAPR API related macros */ 22 #define H_GUEST_CAPABILITIES_COPY_MEM 0x8000000000000000 23 #define H_GUEST_CAPABILITIES_P9_MODE 0x4000000000000000 24 #define H_GUEST_CAPABILITIES_P10_MODE 0x2000000000000000 25 #define H_GUEST_CAP_VALID_MASK (H_GUEST_CAPABILITIES_P10_MODE | \ 26 H_GUEST_CAPABILITIES_P9_MODE) 27 #define H_GUEST_CAP_COPY_MEM_BMAP 0 28 #define H_GUEST_CAP_P9_MODE_BMAP 1 29 #define H_GUEST_CAP_P10_MODE_BMAP 2 30 #define PAPR_NESTED_GUEST_MAX 4096 31 #define H_GUEST_DELETE_ALL_FLAG 0x8000000000000000ULL 32 #define PAPR_NESTED_GUEST_VCPU_MAX 2048 33 34 /* 35 * Register state for entering a nested guest with H_ENTER_NESTED. 36 * New member must be added at the end. 37 */ 38 struct kvmppc_hv_guest_state { 39 uint64_t version; /* version of this structure layout, must be first */ 40 uint32_t lpid; 41 uint32_t vcpu_token; 42 /* These registers are hypervisor privileged (at least for writing) */ 43 uint64_t lpcr; 44 uint64_t pcr; 45 uint64_t amor; 46 uint64_t dpdes; 47 uint64_t hfscr; 48 int64_t tb_offset; 49 uint64_t dawr0; 50 uint64_t dawrx0; 51 uint64_t ciabr; 52 uint64_t hdec_expiry; 53 uint64_t purr; 54 uint64_t spurr; 55 uint64_t ic; 56 uint64_t vtb; 57 uint64_t hdar; 58 uint64_t hdsisr; 59 uint64_t heir; 60 uint64_t asdr; 61 /* These are OS privileged but need to be set late in guest entry */ 62 uint64_t srr0; 63 uint64_t srr1; 64 uint64_t sprg[4]; 65 uint64_t pidr; 66 uint64_t cfar; 67 uint64_t ppr; 68 /* Version 1 ends here */ 69 uint64_t dawr1; 70 uint64_t dawrx1; 71 /* Version 2 ends here */ 72 }; 73 74 /* Latest version of hv_guest_state structure */ 75 #define HV_GUEST_STATE_VERSION 2 76 77 /* Linux 64-bit powerpc pt_regs struct, used by nested HV */ 78 struct kvmppc_pt_regs { 79 uint64_t gpr[32]; 80 uint64_t nip; 81 uint64_t msr; 82 uint64_t orig_gpr3; /* Used for restarting system calls */ 83 uint64_t ctr; 84 uint64_t link; 85 uint64_t xer; 86 uint64_t ccr; 87 uint64_t softe; /* Soft enabled/disabled */ 88 uint64_t trap; /* Reason for being here */ 89 uint64_t dar; /* Fault registers */ 90 uint64_t dsisr; /* on 4xx/Book-E used for ESR */ 91 uint64_t result; /* Result of a system call */ 92 }; 93 94 /* 95 * nested_ppc_state is used to save the host CPU state before switching it to 96 * the guest CPU state, to be restored on H_ENTER_NESTED exit. 97 */ 98 struct nested_ppc_state { 99 uint64_t gpr[32]; 100 uint64_t lr; 101 uint64_t ctr; 102 uint64_t cfar; 103 uint64_t msr; 104 uint64_t nip; 105 uint32_t cr; 106 107 uint64_t xer; 108 109 uint64_t lpcr; 110 uint64_t lpidr; 111 uint64_t pidr; 112 uint64_t pcr; 113 uint64_t dpdes; 114 uint64_t hfscr; 115 uint64_t srr0; 116 uint64_t srr1; 117 uint64_t sprg0; 118 uint64_t sprg1; 119 uint64_t sprg2; 120 uint64_t sprg3; 121 uint64_t ppr; 122 123 int64_t tb_offset; 124 }; 125 126 typedef struct SpaprMachineStateNestedGuestVcpu { 127 bool enabled; 128 struct nested_ppc_state state; 129 } SpaprMachineStateNestedGuestVcpu; 130 131 void spapr_exit_nested(PowerPCCPU *cpu, int excp); 132 typedef struct SpaprMachineState SpaprMachineState; 133 bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, 134 target_ulong lpid, ppc_v3_pate_t *entry); 135 uint8_t spapr_nested_api(SpaprMachineState *spapr); 136 #endif /* HW_SPAPR_NESTED_H */ 137