#ifndef HW_SPAPR_NESTED_H #define HW_SPAPR_NESTED_H #include "target/ppc/cpu.h" /* Guest State Buffer Element IDs */ #define GSB_HV_VCPU_IGNORED_ID 0x0000 /* An element whose value is ignored */ #define GSB_HV_VCPU_STATE_SIZE 0x0001 /* HV internal format VCPU state size */ #define GSB_VCPU_OUT_BUF_MIN_SZ 0x0002 /* Min size of the Run VCPU o/p buffer */ #define GSB_VCPU_LPVR 0x0003 /* Logical PVR */ #define GSB_TB_OFFSET 0x0004 /* Timebase Offset */ #define GSB_PART_SCOPED_PAGETBL 0x0005 /* Partition Scoped Page Table */ #define GSB_PROCESS_TBL 0x0006 /* Process Table */ /* RESERVED 0x0007 - 0x0BFF */ #define GSB_VCPU_IN_BUFFER 0x0C00 /* Run VCPU Input Buffer */ #define GSB_VCPU_OUT_BUFFER 0x0C01 /* Run VCPU Out Buffer */ #define GSB_VCPU_VPA 0x0C02 /* HRA to Guest VCPU VPA */ /* RESERVED 0x0C03 - 0x0FFF */ #define GSB_VCPU_GPR0 0x1000 #define GSB_VCPU_GPR1 0x1001 #define GSB_VCPU_GPR2 0x1002 #define GSB_VCPU_GPR3 0x1003 #define GSB_VCPU_GPR4 0x1004 #define GSB_VCPU_GPR5 0x1005 #define GSB_VCPU_GPR6 0x1006 #define GSB_VCPU_GPR7 0x1007 #define GSB_VCPU_GPR8 0x1008 #define GSB_VCPU_GPR9 0x1009 #define GSB_VCPU_GPR10 0x100A #define GSB_VCPU_GPR11 0x100B #define GSB_VCPU_GPR12 0x100C #define GSB_VCPU_GPR13 0x100D #define GSB_VCPU_GPR14 0x100E #define GSB_VCPU_GPR15 0x100F #define GSB_VCPU_GPR16 0x1010 #define GSB_VCPU_GPR17 0x1011 #define GSB_VCPU_GPR18 0x1012 #define GSB_VCPU_GPR19 0x1013 #define GSB_VCPU_GPR20 0x1014 #define GSB_VCPU_GPR21 0x1015 #define GSB_VCPU_GPR22 0x1016 #define GSB_VCPU_GPR23 0x1017 #define GSB_VCPU_GPR24 0x1018 #define GSB_VCPU_GPR25 0x1019 #define GSB_VCPU_GPR26 0x101A #define GSB_VCPU_GPR27 0x101B #define GSB_VCPU_GPR28 0x101C #define GSB_VCPU_GPR29 0x101D #define GSB_VCPU_GPR30 0x101E #define GSB_VCPU_GPR31 0x101F #define GSB_VCPU_HDEC_EXPIRY_TB 0x1020 #define GSB_VCPU_SPR_NIA 0x1021 #define GSB_VCPU_SPR_MSR 0x1022 #define GSB_VCPU_SPR_LR 0x1023 #define GSB_VCPU_SPR_XER 0x1024 #define GSB_VCPU_SPR_CTR 0x1025 #define GSB_VCPU_SPR_CFAR 0x1026 #define GSB_VCPU_SPR_SRR0 0x1027 #define GSB_VCPU_SPR_SRR1 0x1028 #define GSB_VCPU_SPR_DAR 0x1029 #define GSB_VCPU_DEC_EXPIRE_TB 0x102A #define GSB_VCPU_SPR_VTB 0x102B #define GSB_VCPU_SPR_LPCR 0x102C #define GSB_VCPU_SPR_HFSCR 0x102D #define GSB_VCPU_SPR_FSCR 0x102E #define GSB_VCPU_SPR_FPSCR 0x102F #define GSB_VCPU_SPR_DAWR0 0x1030 #define GSB_VCPU_SPR_DAWR1 0x1031 #define GSB_VCPU_SPR_CIABR 0x1032 #define GSB_VCPU_SPR_PURR 0x1033 #define GSB_VCPU_SPR_SPURR 0x1034 #define GSB_VCPU_SPR_IC 0x1035 #define GSB_VCPU_SPR_SPRG0 0x1036 #define GSB_VCPU_SPR_SPRG1 0x1037 #define GSB_VCPU_SPR_SPRG2 0x1038 #define GSB_VCPU_SPR_SPRG3 0x1039 #define GSB_VCPU_SPR_PPR 0x103A #define GSB_VCPU_SPR_MMCR0 0x103B #define GSB_VCPU_SPR_MMCR1 0x103C #define GSB_VCPU_SPR_MMCR2 0x103D #define GSB_VCPU_SPR_MMCR3 0x103E #define GSB_VCPU_SPR_MMCRA 0x103F #define GSB_VCPU_SPR_SIER 0x1040 #define GSB_VCPU_SPR_SIER2 0x1041 #define GSB_VCPU_SPR_SIER3 0x1042 #define GSB_VCPU_SPR_BESCR 0x1043 #define GSB_VCPU_SPR_EBBHR 0x1044 #define GSB_VCPU_SPR_EBBRR 0x1045 #define GSB_VCPU_SPR_AMR 0x1046 #define GSB_VCPU_SPR_IAMR 0x1047 #define GSB_VCPU_SPR_AMOR 0x1048 #define GSB_VCPU_SPR_UAMOR 0x1049 #define GSB_VCPU_SPR_SDAR 0x104A #define GSB_VCPU_SPR_SIAR 0x104B #define GSB_VCPU_SPR_DSCR 0x104C #define GSB_VCPU_SPR_TAR 0x104D #define GSB_VCPU_SPR_DEXCR 0x104E #define GSB_VCPU_SPR_HDEXCR 0x104F #define GSB_VCPU_SPR_HASHKEYR 0x1050 #define GSB_VCPU_SPR_HASHPKEYR 0x1051 #define GSB_VCPU_SPR_CTRL 0x1052 /* RESERVED 0x1053 - 0x1FFF */ #define GSB_VCPU_SPR_CR 0x2000 #define GSB_VCPU_SPR_PIDR 0x2001 #define GSB_VCPU_SPR_DSISR 0x2002 #define GSB_VCPU_SPR_VSCR 0x2003 #define GSB_VCPU_SPR_VRSAVE 0x2004 #define GSB_VCPU_SPR_DAWRX0 0x2005 #define GSB_VCPU_SPR_DAWRX1 0x2006 #define GSB_VCPU_SPR_PMC1 0x2007 #define GSB_VCPU_SPR_PMC2 0x2008 #define GSB_VCPU_SPR_PMC3 0x2009 #define GSB_VCPU_SPR_PMC4 0x200A #define GSB_VCPU_SPR_PMC5 0x200B #define GSB_VCPU_SPR_PMC6 0x200C #define GSB_VCPU_SPR_WORT 0x200D #define GSB_VCPU_SPR_PSPB 0x200E /* RESERVED 0x200F - 0x2FFF */ #define GSB_VCPU_SPR_VSR0 0x3000 #define GSB_VCPU_SPR_VSR1 0x3001 #define GSB_VCPU_SPR_VSR2 0x3002 #define GSB_VCPU_SPR_VSR3 0x3003 #define GSB_VCPU_SPR_VSR4 0x3004 #define GSB_VCPU_SPR_VSR5 0x3005 #define GSB_VCPU_SPR_VSR6 0x3006 #define GSB_VCPU_SPR_VSR7 0x3007 #define GSB_VCPU_SPR_VSR8 0x3008 #define GSB_VCPU_SPR_VSR9 0x3009 #define GSB_VCPU_SPR_VSR10 0x300A #define GSB_VCPU_SPR_VSR11 0x300B #define GSB_VCPU_SPR_VSR12 0x300C #define GSB_VCPU_SPR_VSR13 0x300D #define GSB_VCPU_SPR_VSR14 0x300E #define GSB_VCPU_SPR_VSR15 0x300F #define GSB_VCPU_SPR_VSR16 0x3010 #define GSB_VCPU_SPR_VSR17 0x3011 #define GSB_VCPU_SPR_VSR18 0x3012 #define GSB_VCPU_SPR_VSR19 0x3013 #define GSB_VCPU_SPR_VSR20 0x3014 #define GSB_VCPU_SPR_VSR21 0x3015 #define GSB_VCPU_SPR_VSR22 0x3016 #define GSB_VCPU_SPR_VSR23 0x3017 #define GSB_VCPU_SPR_VSR24 0x3018 #define GSB_VCPU_SPR_VSR25 0x3019 #define GSB_VCPU_SPR_VSR26 0x301A #define GSB_VCPU_SPR_VSR27 0x301B #define GSB_VCPU_SPR_VSR28 0x301C #define GSB_VCPU_SPR_VSR29 0x301D #define GSB_VCPU_SPR_VSR30 0x301E #define GSB_VCPU_SPR_VSR31 0x301F #define GSB_VCPU_SPR_VSR32 0x3020 #define GSB_VCPU_SPR_VSR33 0x3021 #define GSB_VCPU_SPR_VSR34 0x3022 #define GSB_VCPU_SPR_VSR35 0x3023 #define GSB_VCPU_SPR_VSR36 0x3024 #define GSB_VCPU_SPR_VSR37 0x3025 #define GSB_VCPU_SPR_VSR38 0x3026 #define GSB_VCPU_SPR_VSR39 0x3027 #define GSB_VCPU_SPR_VSR40 0x3028 #define GSB_VCPU_SPR_VSR41 0x3029 #define GSB_VCPU_SPR_VSR42 0x302A #define GSB_VCPU_SPR_VSR43 0x302B #define GSB_VCPU_SPR_VSR44 0x302C #define GSB_VCPU_SPR_VSR45 0x302D #define GSB_VCPU_SPR_VSR46 0x302E #define GSB_VCPU_SPR_VSR47 0x302F #define GSB_VCPU_SPR_VSR48 0x3030 #define GSB_VCPU_SPR_VSR49 0x3031 #define GSB_VCPU_SPR_VSR50 0x3032 #define GSB_VCPU_SPR_VSR51 0x3033 #define GSB_VCPU_SPR_VSR52 0x3034 #define GSB_VCPU_SPR_VSR53 0x3035 #define GSB_VCPU_SPR_VSR54 0x3036 #define GSB_VCPU_SPR_VSR55 0x3037 #define GSB_VCPU_SPR_VSR56 0x3038 #define GSB_VCPU_SPR_VSR57 0x3039 #define GSB_VCPU_SPR_VSR58 0x303A #define GSB_VCPU_SPR_VSR59 0x303B #define GSB_VCPU_SPR_VSR60 0x303C #define GSB_VCPU_SPR_VSR61 0x303D #define GSB_VCPU_SPR_VSR62 0x303E #define GSB_VCPU_SPR_VSR63 0x303F /* RESERVED 0x3040 - 0xEFFF */ #define GSB_VCPU_SPR_HDAR 0xF000 #define GSB_VCPU_SPR_HDSISR 0xF001 #define GSB_VCPU_SPR_HEIR 0xF002 #define GSB_VCPU_SPR_ASDR 0xF003 /* End of list of Guest State Buffer Element IDs */ #define GSB_LAST GSB_VCPU_SPR_ASDR typedef struct SpaprMachineStateNested { uint64_t ptcr; uint8_t api; #define NESTED_API_KVM_HV 1 #define NESTED_API_PAPR 2 bool capabilities_set; uint32_t pvr_base; GHashTable *guests; } SpaprMachineStateNested; typedef struct SpaprMachineStateNestedGuest { uint32_t pvr_logical; unsigned long nr_vcpus; uint64_t parttbl[2]; uint64_t tb_offset; struct SpaprMachineStateNestedGuestVcpu *vcpus; } SpaprMachineStateNestedGuest; /* Nested PAPR API related macros */ #define H_GUEST_CAPABILITIES_COPY_MEM 0x8000000000000000 #define H_GUEST_CAPABILITIES_P9_MODE 0x4000000000000000 #define H_GUEST_CAPABILITIES_P10_MODE 0x2000000000000000 #define H_GUEST_CAP_VALID_MASK (H_GUEST_CAPABILITIES_P10_MODE | \ H_GUEST_CAPABILITIES_P9_MODE) #define H_GUEST_CAP_COPY_MEM_BMAP 0 #define H_GUEST_CAP_P9_MODE_BMAP 1 #define H_GUEST_CAP_P10_MODE_BMAP 2 #define PAPR_NESTED_GUEST_MAX 4096 #define H_GUEST_DELETE_ALL_FLAG 0x8000000000000000ULL #define PAPR_NESTED_GUEST_VCPU_MAX 2048 #define VCPU_OUT_BUF_MIN_SZ 0x80ULL #define HVMASK_DEFAULT 0xffffffffffffffff #define HVMASK_LPCR 0x0070000003820800 #define HVMASK_MSR 0xEBFFFFFFFFBFEFFF #define HVMASK_HDEXCR 0x00000000FFFFFFFF #define HVMASK_TB_OFFSET 0x000000FFFFFFFFFF #define GSB_MAX_BUF_SIZE (1024 * 1024) #define H_GUEST_GETSET_STATE_FLAG_GUEST_WIDE 0x8000000000000000 #define GUEST_STATE_REQUEST_GUEST_WIDE 0x1 #define GUEST_STATE_REQUEST_SET 0x2 /* * As per ISA v3.1B, following bits are reserved: * 0:2 * 4:57 (ISA mentions bit 58 as well but it should be used for P10) * 61:63 (hence, haven't included PCR bits for v2.06 and v2.05 * in LOW BITS) */ #define PCR_LOW_BITS (PCR_COMPAT_3_10 | PCR_COMPAT_3_00) #define HVMASK_PCR (~PCR_LOW_BITS) #define GUEST_STATE_ELEMENT(i, sz, s, f, ptr, c) { \ .id = (i), \ .size = (sz), \ .location = ptr, \ .offset = offsetof(struct s, f), \ .copy = (c) \ } #define GSBE_NESTED(i, sz, f, c) { \ .id = (i), \ .size = (sz), \ .location = get_guest_ptr, \ .offset = offsetof(struct SpaprMachineStateNestedGuest, f),\ .copy = (c), \ .mask = HVMASK_DEFAULT \ } #define GSBE_NESTED_MSK(i, sz, f, c, m) { \ .id = (i), \ .size = (sz), \ .location = get_guest_ptr, \ .offset = offsetof(struct SpaprMachineStateNestedGuest, f),\ .copy = (c), \ .mask = (m) \ } #define GSBE_NESTED_VCPU(i, sz, f, c) { \ .id = (i), \ .size = (sz), \ .location = get_vcpu_ptr, \ .offset = offsetof(struct SpaprMachineStateNestedGuestVcpu, f),\ .copy = (c), \ .mask = HVMASK_DEFAULT \ } #define GUEST_STATE_ELEMENT_NOP(i, sz) { \ .id = (i), \ .size = (sz), \ .location = NULL, \ .offset = 0, \ .copy = NULL, \ .mask = HVMASK_DEFAULT \ } #define GUEST_STATE_ELEMENT_NOP_DW(i) \ GUEST_STATE_ELEMENT_NOP(i, 8) #define GUEST_STATE_ELEMENT_NOP_W(i) \ GUEST_STATE_ELEMENT_NOP(i, 4) #define GUEST_STATE_ELEMENT_BASE(i, s, c) { \ .id = (i), \ .size = (s), \ .location = get_vcpu_state_ptr, \ .offset = 0, \ .copy = (c), \ .mask = HVMASK_DEFAULT \ } #define GUEST_STATE_ELEMENT_OFF(i, s, f, c) { \ .id = (i), \ .size = (s), \ .location = get_vcpu_state_ptr, \ .offset = offsetof(struct nested_ppc_state, f), \ .copy = (c), \ .mask = HVMASK_DEFAULT \ } #define GUEST_STATE_ELEMENT_MSK(i, s, f, c, m) { \ .id = (i), \ .size = (s), \ .location = get_vcpu_state_ptr, \ .offset = offsetof(struct nested_ppc_state, f), \ .copy = (c), \ .mask = (m) \ } #define GUEST_STATE_ELEMENT_ENV_QW(i, f) \ GUEST_STATE_ELEMENT_OFF(i, 16, f, copy_state_16to16) #define GUEST_STATE_ELEMENT_ENV_DW(i, f) \ GUEST_STATE_ELEMENT_OFF(i, 8, f, copy_state_8to8) #define GUEST_STATE_ELEMENT_ENV_W(i, f) \ GUEST_STATE_ELEMENT_OFF(i, 4, f, copy_state_4to8) #define GUEST_STATE_ELEMENT_ENV_WW(i, f) \ GUEST_STATE_ELEMENT_OFF(i, 4, f, copy_state_4to4) #define GSE_ENV_DWM(i, f, m) \ GUEST_STATE_ELEMENT_MSK(i, 8, f, copy_state_8to8, m) struct guest_state_element { uint16_t id; uint16_t size; uint8_t value[]; } QEMU_PACKED; struct guest_state_buffer { uint32_t num_elements; struct guest_state_element elements[]; } QEMU_PACKED; /* Actual buffer plus some metadata about the request */ struct guest_state_request { struct guest_state_buffer *gsb; int64_t buf; int64_t len; uint16_t flags; }; /* * Register state for entering a nested guest with H_ENTER_NESTED. * New member must be added at the end. */ struct kvmppc_hv_guest_state { uint64_t version; /* version of this structure layout, must be first */ uint32_t lpid; uint32_t vcpu_token; /* These registers are hypervisor privileged (at least for writing) */ uint64_t lpcr; uint64_t pcr; uint64_t amor; uint64_t dpdes; uint64_t hfscr; int64_t tb_offset; uint64_t dawr0; uint64_t dawrx0; uint64_t ciabr; uint64_t hdec_expiry; uint64_t purr; uint64_t spurr; uint64_t ic; uint64_t vtb; uint64_t hdar; uint64_t hdsisr; uint64_t heir; uint64_t asdr; /* These are OS privileged but need to be set late in guest entry */ uint64_t srr0; uint64_t srr1; uint64_t sprg[4]; uint64_t pidr; uint64_t cfar; uint64_t ppr; /* Version 1 ends here */ uint64_t dawr1; uint64_t dawrx1; /* Version 2 ends here */ }; /* Latest version of hv_guest_state structure */ #define HV_GUEST_STATE_VERSION 2 /* Linux 64-bit powerpc pt_regs struct, used by nested HV */ struct kvmppc_pt_regs { uint64_t gpr[32]; uint64_t nip; uint64_t msr; uint64_t orig_gpr3; /* Used for restarting system calls */ uint64_t ctr; uint64_t link; uint64_t xer; uint64_t ccr; uint64_t softe; /* Soft enabled/disabled */ uint64_t trap; /* Reason for being here */ uint64_t dar; /* Fault registers */ uint64_t dsisr; /* on 4xx/Book-E used for ESR */ uint64_t result; /* Result of a system call */ }; /* * nested_ppc_state is used to save the host CPU state before switching it to * the guest CPU state, to be restored on H_ENTER_NESTED exit. */ struct nested_ppc_state { uint64_t gpr[32]; uint64_t lr; uint64_t ctr; uint64_t cfar; uint64_t msr; uint64_t nip; uint32_t cr; uint64_t xer; uint64_t lpcr; uint64_t lpidr; uint64_t pidr; uint64_t pcr; uint64_t dpdes; uint64_t hfscr; uint64_t srr0; uint64_t srr1; uint64_t sprg0; uint64_t sprg1; uint64_t sprg2; uint64_t sprg3; uint64_t ppr; int64_t tb_offset; /* Nested PAPR API */ uint64_t amor; uint64_t dawr0; uint64_t dawrx0; uint64_t ciabr; uint64_t purr; uint64_t spurr; uint64_t ic; uint64_t vtb; uint64_t hdar; uint64_t hdsisr; uint64_t heir; uint64_t asdr; uint64_t dawr1; uint64_t dawrx1; uint64_t dexcr; uint64_t hdexcr; uint64_t hashkeyr; uint64_t hashpkeyr; ppc_vsr_t vsr[64] QEMU_ALIGNED(16); uint64_t ebbhr; uint64_t tar; uint64_t ebbrr; uint64_t bescr; uint64_t iamr; uint64_t amr; uint64_t uamor; uint64_t dscr; uint64_t fscr; uint64_t pspb; uint64_t ctrl; uint64_t vrsave; uint64_t dar; uint64_t dsisr; uint64_t pmc1; uint64_t pmc2; uint64_t pmc3; uint64_t pmc4; uint64_t pmc5; uint64_t pmc6; uint64_t mmcr0; uint64_t mmcr1; uint64_t mmcr2; uint64_t mmcra; uint64_t sdar; uint64_t siar; uint64_t sier; uint32_t vscr; uint64_t fpscr; int64_t dec_expiry_tb; }; struct SpaprMachineStateNestedGuestVcpuRunBuf { uint64_t addr; uint64_t size; }; typedef struct SpaprMachineStateNestedGuestVcpu { bool enabled; struct nested_ppc_state state; struct SpaprMachineStateNestedGuestVcpuRunBuf runbufin; struct SpaprMachineStateNestedGuestVcpuRunBuf runbufout; int64_t tb_offset; uint64_t hdecr_expiry_tb; } SpaprMachineStateNestedGuestVcpu; struct guest_state_element_type { uint16_t id; int size; #define GUEST_STATE_ELEMENT_TYPE_FLAG_GUEST_WIDE 0x1 #define GUEST_STATE_ELEMENT_TYPE_FLAG_READ_ONLY 0x2 uint16_t flags; void *(*location)(SpaprMachineStateNestedGuest *, target_ulong); size_t offset; void (*copy)(void *, void *, bool); uint64_t mask; }; void spapr_exit_nested(PowerPCCPU *cpu, int excp); typedef struct SpaprMachineState SpaprMachineState; bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry); uint8_t spapr_nested_api(SpaprMachineState *spapr); void spapr_nested_gsb_init(void); bool spapr_get_pate_nested_papr(SpaprMachineState *spapr, PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry); #endif /* HW_SPAPR_NESTED_H */