cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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spapr.h (38835B)


      1#ifndef HW_SPAPR_H
      2#define HW_SPAPR_H
      3
      4#include "qemu/units.h"
      5#include "sysemu/dma.h"
      6#include "hw/boards.h"
      7#include "hw/ppc/spapr_drc.h"
      8#include "hw/mem/pc-dimm.h"
      9#include "hw/ppc/spapr_ovec.h"
     10#include "hw/ppc/spapr_irq.h"
     11#include "qom/object.h"
     12#include "hw/ppc/spapr_xive.h"  /* For SpaprXive */
     13#include "hw/ppc/xics.h"        /* For ICSState */
     14#include "hw/ppc/spapr_tpm_proxy.h"
     15#include "hw/ppc/vof.h"
     16
     17struct SpaprVioBus;
     18struct SpaprPhbState;
     19struct SpaprNvram;
     20
     21typedef struct SpaprEventLogEntry SpaprEventLogEntry;
     22typedef struct SpaprEventSource SpaprEventSource;
     23typedef struct SpaprPendingHpt SpaprPendingHpt;
     24
     25#define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
     26#define SPAPR_ENTRY_POINT       0x100
     27
     28#define SPAPR_TIMEBASE_FREQ     512000000ULL
     29
     30#define TYPE_SPAPR_RTC "spapr-rtc"
     31
     32OBJECT_DECLARE_SIMPLE_TYPE(SpaprRtcState, SPAPR_RTC)
     33
     34struct SpaprRtcState {
     35    /*< private >*/
     36    DeviceState parent_obj;
     37    int64_t ns_offset;
     38};
     39
     40typedef struct SpaprDimmState SpaprDimmState;
     41
     42#define TYPE_SPAPR_MACHINE      "spapr-machine"
     43OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
     44
     45typedef enum {
     46    SPAPR_RESIZE_HPT_DEFAULT = 0,
     47    SPAPR_RESIZE_HPT_DISABLED,
     48    SPAPR_RESIZE_HPT_ENABLED,
     49    SPAPR_RESIZE_HPT_REQUIRED,
     50} SpaprResizeHpt;
     51
     52/**
     53 * Capabilities
     54 */
     55
     56/* Hardware Transactional Memory */
     57#define SPAPR_CAP_HTM                   0x00
     58/* Vector Scalar Extensions */
     59#define SPAPR_CAP_VSX                   0x01
     60/* Decimal Floating Point */
     61#define SPAPR_CAP_DFP                   0x02
     62/* Cache Flush on Privilege Change */
     63#define SPAPR_CAP_CFPC                  0x03
     64/* Speculation Barrier Bounds Checking */
     65#define SPAPR_CAP_SBBC                  0x04
     66/* Indirect Branch Serialisation */
     67#define SPAPR_CAP_IBS                   0x05
     68/* HPT Maximum Page Size (encoded as a shift) */
     69#define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
     70/* Nested KVM-HV */
     71#define SPAPR_CAP_NESTED_KVM_HV         0x07
     72/* Large Decrementer */
     73#define SPAPR_CAP_LARGE_DECREMENTER     0x08
     74/* Count Cache Flush Assist HW Instruction */
     75#define SPAPR_CAP_CCF_ASSIST            0x09
     76/* Implements PAPR FWNMI option */
     77#define SPAPR_CAP_FWNMI                 0x0A
     78/* Support H_RPT_INVALIDATE */
     79#define SPAPR_CAP_RPT_INVALIDATE        0x0B
     80/* Num Caps */
     81#define SPAPR_CAP_NUM                   (SPAPR_CAP_RPT_INVALIDATE + 1)
     82
     83/*
     84 * Capability Values
     85 */
     86/* Bool Caps */
     87#define SPAPR_CAP_OFF                   0x00
     88#define SPAPR_CAP_ON                    0x01
     89
     90/* Custom Caps */
     91
     92/* Generic */
     93#define SPAPR_CAP_BROKEN                0x00
     94#define SPAPR_CAP_WORKAROUND            0x01
     95#define SPAPR_CAP_FIXED                 0x02
     96/* SPAPR_CAP_IBS (cap-ibs) */
     97#define SPAPR_CAP_FIXED_IBS             0x02
     98#define SPAPR_CAP_FIXED_CCD             0x03
     99#define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
    100
    101#define FDT_MAX_SIZE                    0x200000
    102
    103/* Max number of GPUs per system */
    104#define NVGPU_MAX_NUM              6
    105
    106/* Max number of NUMA nodes */
    107#define NUMA_NODES_MAX_NUM         (MAX_NODES + NVGPU_MAX_NUM)
    108
    109/*
    110 * NUMA FORM1 macros. FORM1_DIST_REF_POINTS was taken from
    111 * MAX_DISTANCE_REF_POINTS in arch/powerpc/mm/numa.h from Linux
    112 * kernel source. It represents the amount of associativity domains
    113 * for non-CPU resources.
    114 *
    115 * FORM1_NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
    116 * array for any non-CPU resource.
    117 */
    118#define FORM1_DIST_REF_POINTS            4
    119#define FORM1_NUMA_ASSOC_SIZE            (FORM1_DIST_REF_POINTS + 1)
    120
    121/*
    122 * FORM2 NUMA affinity has a single associativity domain, giving
    123 * us a assoc size of 2.
    124 */
    125#define FORM2_DIST_REF_POINTS            1
    126#define FORM2_NUMA_ASSOC_SIZE            (FORM2_DIST_REF_POINTS + 1)
    127
    128typedef struct SpaprCapabilities SpaprCapabilities;
    129struct SpaprCapabilities {
    130    uint8_t caps[SPAPR_CAP_NUM];
    131};
    132
    133/**
    134 * SpaprMachineClass:
    135 */
    136struct SpaprMachineClass {
    137    /*< private >*/
    138    MachineClass parent_class;
    139
    140    /*< public >*/
    141    bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
    142    bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
    143    bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
    144    bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
    145    bool pre_2_10_has_unused_icps;
    146    bool legacy_irq_allocation;
    147    uint32_t nr_xirqs;
    148    bool broken_host_serial_model; /* present real host info to the guest */
    149    bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
    150    bool linux_pci_probe;
    151    bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
    152    hwaddr rma_limit;          /* clamp the RMA to this size */
    153    bool pre_5_1_assoc_refpoints;
    154    bool pre_5_2_numa_associativity;
    155    bool pre_6_2_numa_affinity;
    156
    157    bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
    158                          uint64_t *buid, hwaddr *pio,
    159                          hwaddr *mmio32, hwaddr *mmio64,
    160                          unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
    161                          hwaddr *nv2atsd, Error **errp);
    162    SpaprResizeHpt resize_hpt_default;
    163    SpaprCapabilities default_caps;
    164    SpaprIrq *irq;
    165};
    166
    167/**
    168 * SpaprMachineState:
    169 */
    170struct SpaprMachineState {
    171    /*< private >*/
    172    MachineState parent_obj;
    173
    174    struct SpaprVioBus *vio_bus;
    175    QLIST_HEAD(, SpaprPhbState) phbs;
    176    struct SpaprNvram *nvram;
    177    SpaprRtcState rtc;
    178
    179    SpaprResizeHpt resize_hpt;
    180    void *htab;
    181    uint32_t htab_shift;
    182    uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROC_TBL */
    183    SpaprPendingHpt *pending_hpt; /* in-progress resize */
    184
    185    hwaddr rma_size;
    186    uint32_t fdt_size;
    187    uint32_t fdt_initial_size;
    188    void *fdt_blob;
    189    long kernel_size;
    190    bool kernel_le;
    191    uint64_t kernel_addr;
    192    uint32_t initrd_base;
    193    long initrd_size;
    194    Vof *vof;
    195    uint64_t rtc_offset; /* Now used only during incoming migration */
    196    struct PPCTimebase tb;
    197    bool has_graphics;
    198    uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
    199
    200    Notifier epow_notifier;
    201    QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
    202    bool use_hotplug_event_source;
    203    SpaprEventSource *event_sources;
    204
    205    /* ibm,client-architecture-support option negotiation */
    206    bool cas_pre_isa3_guest;
    207    SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
    208    SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
    209    uint32_t max_compat_pvr;
    210
    211    /* Migration state */
    212    int htab_save_index;
    213    bool htab_first_pass;
    214    int htab_fd;
    215
    216    /* Pending DIMM unplug cache. It is populated when a LMB
    217     * unplug starts. It can be regenerated if a migration
    218     * occurs during the unplug process. */
    219    QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
    220
    221    /* State related to FWNMI option */
    222
    223    /* System Reset and Machine Check Notification Routine addresses
    224     * registered by "ibm,nmi-register" RTAS call.
    225     */
    226    target_ulong fwnmi_system_reset_addr;
    227    target_ulong fwnmi_machine_check_addr;
    228
    229    /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
    230     * set to -1 if a FWNMI machine check is not in progress, else is set to
    231     * the CPU that was delivered the machine check, and is set back to -1
    232     * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
    233     * to synchronize other CPUs.
    234     */
    235    int fwnmi_machine_check_interlock;
    236    QemuCond fwnmi_machine_check_interlock_cond;
    237
    238    /* Set by -boot */
    239    char *boot_device;
    240
    241    /*< public >*/
    242    char *kvm_type;
    243    char *host_model;
    244    char *host_serial;
    245
    246    int32_t irq_map_nr;
    247    unsigned long *irq_map;
    248    SpaprIrq *irq;
    249    qemu_irq *qirqs;
    250    SpaprInterruptController *active_intc;
    251    ICSState *ics;
    252    SpaprXive *xive;
    253
    254    bool cmd_line_caps[SPAPR_CAP_NUM];
    255    SpaprCapabilities def, eff, mig;
    256
    257    unsigned gpu_numa_id;
    258    SpaprTpmProxy *tpm_proxy;
    259
    260    uint32_t FORM1_assoc_array[NUMA_NODES_MAX_NUM][FORM1_NUMA_ASSOC_SIZE];
    261    uint32_t FORM2_assoc_array[NUMA_NODES_MAX_NUM][FORM2_NUMA_ASSOC_SIZE];
    262
    263    Error *fwnmi_migration_blocker;
    264};
    265
    266#define H_SUCCESS         0
    267#define H_BUSY            1        /* Hardware busy -- retry later */
    268#define H_CLOSED          2        /* Resource closed */
    269#define H_NOT_AVAILABLE   3
    270#define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
    271#define H_PARTIAL         5
    272#define H_IN_PROGRESS     14       /* Kind of like busy */
    273#define H_PAGE_REGISTERED 15
    274#define H_PARTIAL_STORE   16
    275#define H_PENDING         17       /* returned from H_POLL_PENDING */
    276#define H_CONTINUE        18       /* Returned from H_Join on success */
    277#define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
    278#define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
    279                                                 is a good time to retry */
    280#define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
    281                                                 is a good time to retry */
    282#define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
    283                                                 is a good time to retry */
    284#define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
    285                                                 is a good time to retry */
    286#define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
    287                                                 is a good time to retry */
    288#define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
    289                                                 is a good time to retry */
    290#define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
    291#define H_HARDWARE        -1       /* Hardware error */
    292#define H_FUNCTION        -2       /* Function not supported */
    293#define H_PRIVILEGE       -3       /* Caller not privileged */
    294#define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
    295#define H_BAD_MODE        -5       /* Illegal msr value */
    296#define H_PTEG_FULL       -6       /* PTEG is full */
    297#define H_NOT_FOUND       -7       /* PTE was not found" */
    298#define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
    299#define H_NO_MEM          -9
    300#define H_AUTHORITY       -10
    301#define H_PERMISSION      -11
    302#define H_DROPPED         -12
    303#define H_SOURCE_PARM     -13
    304#define H_DEST_PARM       -14
    305#define H_REMOTE_PARM     -15
    306#define H_RESOURCE        -16
    307#define H_ADAPTER_PARM    -17
    308#define H_RH_PARM         -18
    309#define H_RCQ_PARM        -19
    310#define H_SCQ_PARM        -20
    311#define H_EQ_PARM         -21
    312#define H_RT_PARM         -22
    313#define H_ST_PARM         -23
    314#define H_SIGT_PARM       -24
    315#define H_TOKEN_PARM      -25
    316#define H_MLENGTH_PARM    -27
    317#define H_MEM_PARM        -28
    318#define H_MEM_ACCESS_PARM -29
    319#define H_ATTR_PARM       -30
    320#define H_PORT_PARM       -31
    321#define H_MCG_PARM        -32
    322#define H_VL_PARM         -33
    323#define H_TSIZE_PARM      -34
    324#define H_TRACE_PARM      -35
    325
    326#define H_MASK_PARM       -37
    327#define H_MCG_FULL        -38
    328#define H_ALIAS_EXIST     -39
    329#define H_P_COUNTER       -40
    330#define H_TABLE_FULL      -41
    331#define H_ALT_TABLE       -42
    332#define H_MR_CONDITION    -43
    333#define H_NOT_ENOUGH_RESOURCES -44
    334#define H_R_STATE         -45
    335#define H_RESCINDEND      -46
    336#define H_P2              -55
    337#define H_P3              -56
    338#define H_P4              -57
    339#define H_P5              -58
    340#define H_P6              -59
    341#define H_P7              -60
    342#define H_P8              -61
    343#define H_P9              -62
    344#define H_OVERLAP         -68
    345#define H_UNSUPPORTED_FLAG -256
    346#define H_MULTI_THREADS_ACTIVE -9005
    347
    348
    349/* Long Busy is a condition that can be returned by the firmware
    350 * when a call cannot be completed now, but the identical call
    351 * should be retried later.  This prevents calls blocking in the
    352 * firmware for long periods of time.  Annoyingly the firmware can return
    353 * a range of return codes, hinting at how long we should wait before
    354 * retrying.  If you don't care for the hint, the macro below is a good
    355 * way to check for the long_busy return codes
    356 */
    357#define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
    358                            && (x <= H_LONG_BUSY_END_RANGE))
    359
    360/* Flags */
    361#define H_LARGE_PAGE      (1ULL<<(63-16))
    362#define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
    363#define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
    364#define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
    365#define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
    366#define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
    367#define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
    368#define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
    369#define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
    370#define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
    371#define H_ANDCOND         (1ULL<<(63-33))
    372#define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
    373#define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
    374#define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
    375#define H_COPY_PAGE       (1ULL<<(63-49))
    376#define H_N               (1ULL<<(63-61))
    377#define H_PP1             (1ULL<<(63-62))
    378#define H_PP2             (1ULL<<(63-63))
    379
    380/* Values for 2nd argument to H_SET_MODE */
    381#define H_SET_MODE_RESOURCE_SET_CIABR           1
    382#define H_SET_MODE_RESOURCE_SET_DAWR0           2
    383#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
    384#define H_SET_MODE_RESOURCE_LE                  4
    385
    386/* Flags for H_SET_MODE_RESOURCE_LE */
    387#define H_SET_MODE_ENDIAN_BIG    0
    388#define H_SET_MODE_ENDIAN_LITTLE 1
    389
    390/* VASI States */
    391#define H_VASI_INVALID    0
    392#define H_VASI_ENABLED    1
    393#define H_VASI_ABORTED    2
    394#define H_VASI_SUSPENDING 3
    395#define H_VASI_SUSPENDED  4
    396#define H_VASI_RESUMED    5
    397#define H_VASI_COMPLETED  6
    398
    399/* DABRX flags */
    400#define H_DABRX_HYPERVISOR (1ULL<<(63-61))
    401#define H_DABRX_KERNEL     (1ULL<<(63-62))
    402#define H_DABRX_USER       (1ULL<<(63-63))
    403
    404/* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
    405#define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
    406#define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
    407#define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
    408#define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
    409#define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
    410#define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
    411#define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
    412#define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
    413#define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
    414
    415#define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
    416#define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
    417#define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
    418#define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
    419#define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
    420#define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
    421
    422/* Each control block has to be on a 4K boundary */
    423#define H_CB_ALIGNMENT     4096
    424
    425/* pSeries hypervisor opcodes */
    426#define H_REMOVE                0x04
    427#define H_ENTER                 0x08
    428#define H_READ                  0x0c
    429#define H_CLEAR_MOD             0x10
    430#define H_CLEAR_REF             0x14
    431#define H_PROTECT               0x18
    432#define H_GET_TCE               0x1c
    433#define H_PUT_TCE               0x20
    434#define H_SET_SPRG0             0x24
    435#define H_SET_DABR              0x28
    436#define H_PAGE_INIT             0x2c
    437#define H_SET_ASR               0x30
    438#define H_ASR_ON                0x34
    439#define H_ASR_OFF               0x38
    440#define H_LOGICAL_CI_LOAD       0x3c
    441#define H_LOGICAL_CI_STORE      0x40
    442#define H_LOGICAL_CACHE_LOAD    0x44
    443#define H_LOGICAL_CACHE_STORE   0x48
    444#define H_LOGICAL_ICBI          0x4c
    445#define H_LOGICAL_DCBF          0x50
    446#define H_GET_TERM_CHAR         0x54
    447#define H_PUT_TERM_CHAR         0x58
    448#define H_REAL_TO_LOGICAL       0x5c
    449#define H_HYPERVISOR_DATA       0x60
    450#define H_EOI                   0x64
    451#define H_CPPR                  0x68
    452#define H_IPI                   0x6c
    453#define H_IPOLL                 0x70
    454#define H_XIRR                  0x74
    455#define H_PERFMON               0x7c
    456#define H_MIGRATE_DMA           0x78
    457#define H_REGISTER_VPA          0xDC
    458#define H_CEDE                  0xE0
    459#define H_CONFER                0xE4
    460#define H_PROD                  0xE8
    461#define H_GET_PPP               0xEC
    462#define H_SET_PPP               0xF0
    463#define H_PURR                  0xF4
    464#define H_PIC                   0xF8
    465#define H_REG_CRQ               0xFC
    466#define H_FREE_CRQ              0x100
    467#define H_VIO_SIGNAL            0x104
    468#define H_SEND_CRQ              0x108
    469#define H_COPY_RDMA             0x110
    470#define H_REGISTER_LOGICAL_LAN  0x114
    471#define H_FREE_LOGICAL_LAN      0x118
    472#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
    473#define H_SEND_LOGICAL_LAN      0x120
    474#define H_BULK_REMOVE           0x124
    475#define H_MULTICAST_CTRL        0x130
    476#define H_SET_XDABR             0x134
    477#define H_STUFF_TCE             0x138
    478#define H_PUT_TCE_INDIRECT      0x13C
    479#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
    480#define H_VTERM_PARTNER_INFO    0x150
    481#define H_REGISTER_VTERM        0x154
    482#define H_FREE_VTERM            0x158
    483#define H_RESET_EVENTS          0x15C
    484#define H_ALLOC_RESOURCE        0x160
    485#define H_FREE_RESOURCE         0x164
    486#define H_MODIFY_QP             0x168
    487#define H_QUERY_QP              0x16C
    488#define H_REREGISTER_PMR        0x170
    489#define H_REGISTER_SMR          0x174
    490#define H_QUERY_MR              0x178
    491#define H_QUERY_MW              0x17C
    492#define H_QUERY_HCA             0x180
    493#define H_QUERY_PORT            0x184
    494#define H_MODIFY_PORT           0x188
    495#define H_DEFINE_AQP1           0x18C
    496#define H_GET_TRACE_BUFFER      0x190
    497#define H_DEFINE_AQP0           0x194
    498#define H_RESIZE_MR             0x198
    499#define H_ATTACH_MCQP           0x19C
    500#define H_DETACH_MCQP           0x1A0
    501#define H_CREATE_RPT            0x1A4
    502#define H_REMOVE_RPT            0x1A8
    503#define H_REGISTER_RPAGES       0x1AC
    504#define H_DISABLE_AND_GETC      0x1B0
    505#define H_ERROR_DATA            0x1B4
    506#define H_GET_HCA_INFO          0x1B8
    507#define H_GET_PERF_COUNT        0x1BC
    508#define H_MANAGE_TRACE          0x1C0
    509#define H_GET_CPU_CHARACTERISTICS 0x1C8
    510#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
    511#define H_QUERY_INT_STATE       0x1E4
    512#define H_POLL_PENDING          0x1D8
    513#define H_ILLAN_ATTRIBUTES      0x244
    514#define H_MODIFY_HEA_QP         0x250
    515#define H_QUERY_HEA_QP          0x254
    516#define H_QUERY_HEA             0x258
    517#define H_QUERY_HEA_PORT        0x25C
    518#define H_MODIFY_HEA_PORT       0x260
    519#define H_REG_BCMC              0x264
    520#define H_DEREG_BCMC            0x268
    521#define H_REGISTER_HEA_RPAGES   0x26C
    522#define H_DISABLE_AND_GET_HEA   0x270
    523#define H_GET_HEA_INFO          0x274
    524#define H_ALLOC_HEA_RESOURCE    0x278
    525#define H_ADD_CONN              0x284
    526#define H_DEL_CONN              0x288
    527#define H_JOIN                  0x298
    528#define H_VASI_STATE            0x2A4
    529#define H_ENABLE_CRQ            0x2B0
    530#define H_GET_EM_PARMS          0x2B8
    531#define H_SET_MPP               0x2D0
    532#define H_GET_MPP               0x2D4
    533#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
    534#define H_XIRR_X                0x2FC
    535#define H_RANDOM                0x300
    536#define H_SET_MODE              0x31C
    537#define H_RESIZE_HPT_PREPARE    0x36C
    538#define H_RESIZE_HPT_COMMIT     0x370
    539#define H_CLEAN_SLB             0x374
    540#define H_INVALIDATE_PID        0x378
    541#define H_REGISTER_PROC_TBL     0x37C
    542#define H_SIGNAL_SYS_RESET      0x380
    543
    544#define H_INT_GET_SOURCE_INFO   0x3A8
    545#define H_INT_SET_SOURCE_CONFIG 0x3AC
    546#define H_INT_GET_SOURCE_CONFIG 0x3B0
    547#define H_INT_GET_QUEUE_INFO    0x3B4
    548#define H_INT_SET_QUEUE_CONFIG  0x3B8
    549#define H_INT_GET_QUEUE_CONFIG  0x3BC
    550#define H_INT_SET_OS_REPORTING_LINE 0x3C0
    551#define H_INT_GET_OS_REPORTING_LINE 0x3C4
    552#define H_INT_ESB               0x3C8
    553#define H_INT_SYNC              0x3CC
    554#define H_INT_RESET             0x3D0
    555#define H_SCM_READ_METADATA     0x3E4
    556#define H_SCM_WRITE_METADATA    0x3E8
    557#define H_SCM_BIND_MEM          0x3EC
    558#define H_SCM_UNBIND_MEM        0x3F0
    559#define H_SCM_UNBIND_ALL        0x3FC
    560#define H_SCM_HEALTH            0x400
    561#define H_RPT_INVALIDATE        0x448
    562
    563#define MAX_HCALL_OPCODE        H_RPT_INVALIDATE
    564
    565/* The hcalls above are standardized in PAPR and implemented by pHyp
    566 * as well.
    567 *
    568 * We also need some hcalls which are specific to qemu / KVM-on-POWER.
    569 * We put those into the 0xf000-0xfffc range which is reserved by PAPR
    570 * for "platform-specific" hcalls.
    571 */
    572#define KVMPPC_HCALL_BASE       0xf000
    573#define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
    574#define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
    575/* Client Architecture support */
    576#define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
    577#define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
    578/* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
    579#define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
    580#define KVMPPC_HCALL_MAX        KVMPPC_H_VOF_CLIENT
    581
    582/*
    583 * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
    584 * Secure VM mode via an Ultravisor / Protected Execution Facility
    585 */
    586#define SVM_HCALL_BASE              0xEF00
    587#define SVM_H_TPM_COMM              0xEF10
    588#define SVM_HCALL_MAX               SVM_H_TPM_COMM
    589
    590
    591typedef struct SpaprDeviceTreeUpdateHeader {
    592    uint32_t version_id;
    593} SpaprDeviceTreeUpdateHeader;
    594
    595#define hcall_dprintf(fmt, ...) \
    596    do { \
    597        qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
    598    } while (0)
    599
    600typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
    601                                       target_ulong opcode,
    602                                       target_ulong *args);
    603
    604void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
    605target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
    606                             target_ulong *args);
    607target_ulong softmmu_resize_hpt_prepare(PowerPCCPU *cpu, SpaprMachineState *spapr,
    608                                         target_ulong shift);
    609target_ulong softmmu_resize_hpt_commit(PowerPCCPU *cpu, SpaprMachineState *spapr,
    610                                        target_ulong flags, target_ulong shift);
    611bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
    612void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
    613
    614/* Virtual Processor Area structure constants */
    615#define VPA_MIN_SIZE           640
    616#define VPA_SIZE_OFFSET        0x4
    617#define VPA_SHARED_PROC_OFFSET 0x9
    618#define VPA_SHARED_PROC_VAL    0x2
    619#define VPA_DISPATCH_COUNTER   0x100
    620
    621/* ibm,set-eeh-option */
    622#define RTAS_EEH_DISABLE                 0
    623#define RTAS_EEH_ENABLE                  1
    624#define RTAS_EEH_THAW_IO                 2
    625#define RTAS_EEH_THAW_DMA                3
    626
    627/* ibm,get-config-addr-info2 */
    628#define RTAS_GET_PE_ADDR                 0
    629#define RTAS_GET_PE_MODE                 1
    630#define RTAS_PE_MODE_NONE                0
    631#define RTAS_PE_MODE_NOT_SHARED          1
    632#define RTAS_PE_MODE_SHARED              2
    633
    634/* ibm,read-slot-reset-state2 */
    635#define RTAS_EEH_PE_STATE_NORMAL         0
    636#define RTAS_EEH_PE_STATE_RESET          1
    637#define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
    638#define RTAS_EEH_PE_STATE_STOPPED_DMA    4
    639#define RTAS_EEH_PE_STATE_UNAVAIL        5
    640#define RTAS_EEH_NOT_SUPPORT             0
    641#define RTAS_EEH_SUPPORT                 1
    642#define RTAS_EEH_PE_UNAVAIL_INFO         1000
    643#define RTAS_EEH_PE_RECOVER_INFO         0
    644
    645/* ibm,set-slot-reset */
    646#define RTAS_SLOT_RESET_DEACTIVATE       0
    647#define RTAS_SLOT_RESET_HOT              1
    648#define RTAS_SLOT_RESET_FUNDAMENTAL      3
    649
    650/* ibm,slot-error-detail */
    651#define RTAS_SLOT_TEMP_ERR_LOG           1
    652#define RTAS_SLOT_PERM_ERR_LOG           2
    653
    654/* RTAS return codes */
    655#define RTAS_OUT_SUCCESS                        0
    656#define RTAS_OUT_NO_ERRORS_FOUND                1
    657#define RTAS_OUT_HW_ERROR                       -1
    658#define RTAS_OUT_BUSY                           -2
    659#define RTAS_OUT_PARAM_ERROR                    -3
    660#define RTAS_OUT_NOT_SUPPORTED                  -3
    661#define RTAS_OUT_NO_SUCH_INDICATOR              -3
    662#define RTAS_OUT_NOT_AUTHORIZED                 -9002
    663#define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
    664
    665/* DDW pagesize mask values from ibm,query-pe-dma-window */
    666#define RTAS_DDW_PGSIZE_4K       0x01
    667#define RTAS_DDW_PGSIZE_64K      0x02
    668#define RTAS_DDW_PGSIZE_16M      0x04
    669#define RTAS_DDW_PGSIZE_32M      0x08
    670#define RTAS_DDW_PGSIZE_64M      0x10
    671#define RTAS_DDW_PGSIZE_128M     0x20
    672#define RTAS_DDW_PGSIZE_256M     0x40
    673#define RTAS_DDW_PGSIZE_16G      0x80
    674
    675/* RTAS tokens */
    676#define RTAS_TOKEN_BASE      0x2000
    677
    678#define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
    679#define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
    680#define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
    681#define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
    682#define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
    683#define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
    684#define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
    685#define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
    686#define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
    687#define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
    688#define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
    689#define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
    690#define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
    691#define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
    692#define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
    693#define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
    694#define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
    695#define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
    696#define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
    697#define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
    698#define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
    699#define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
    700#define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
    701#define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
    702#define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
    703#define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
    704#define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
    705#define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
    706#define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
    707#define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
    708#define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
    709#define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
    710#define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
    711#define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
    712#define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
    713#define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
    714#define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
    715#define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
    716#define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
    717#define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
    718#define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
    719#define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
    720#define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
    721#define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
    722#define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
    723
    724#define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
    725
    726/* RTAS ibm,get-system-parameter token values */
    727#define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
    728#define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
    729#define RTAS_SYSPARM_UUID                        48
    730
    731/* RTAS indicator/sensor types
    732 *
    733 * as defined by PAPR+ 2.7 7.3.5.4, Table 41
    734 *
    735 * NOTE: currently only DR-related sensors are implemented here
    736 */
    737#define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
    738#define RTAS_SENSOR_TYPE_DR                     9002
    739#define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
    740#define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
    741
    742/* Possible values for the platform-processor-diagnostics-run-mode parameter
    743 * of the RTAS ibm,get-system-parameter call.
    744 */
    745#define DIAGNOSTICS_RUN_MODE_DISABLED  0
    746#define DIAGNOSTICS_RUN_MODE_STAGGERED 1
    747#define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
    748#define DIAGNOSTICS_RUN_MODE_PERIODIC  3
    749
    750static inline uint64_t ppc64_phys_to_real(uint64_t addr)
    751{
    752    return addr & ~0xF000000000000000ULL;
    753}
    754
    755static inline uint32_t rtas_ld(target_ulong phys, int n)
    756{
    757    return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
    758}
    759
    760static inline uint64_t rtas_ldq(target_ulong phys, int n)
    761{
    762    return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
    763}
    764
    765static inline void rtas_st(target_ulong phys, int n, uint32_t val)
    766{
    767    stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
    768}
    769
    770typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
    771                              uint32_t token,
    772                              uint32_t nargs, target_ulong args,
    773                              uint32_t nret, target_ulong rets);
    774void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
    775target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
    776                             uint32_t token, uint32_t nargs, target_ulong args,
    777                             uint32_t nret, target_ulong rets);
    778void spapr_dt_rtas_tokens(void *fdt, int rtas);
    779void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
    780
    781#define SPAPR_TCE_PAGE_SHIFT   12
    782#define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
    783#define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
    784
    785#define SPAPR_VIO_BASE_LIOBN    0x00000000
    786#define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
    787#define SPAPR_PCI_LIOBN(phb_index, window_num) \
    788    (0x80000000 | ((phb_index) << 8) | (window_num))
    789#define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
    790#define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
    791
    792#define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
    793#define RTAS_ERROR_LOG_MAX      2048
    794
    795/* Offset from rtas-base where error log is placed */
    796#define RTAS_ERROR_LOG_OFFSET       0x30
    797
    798#define RTAS_EVENT_SCAN_RATE    1
    799
    800/* This helper should be used to encode interrupt specifiers when the related
    801 * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
    802 * VIO devices, RTAS event sources and PHBs).
    803 */
    804static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
    805{
    806    intspec[0] = cpu_to_be32(irq);
    807    intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
    808}
    809
    810
    811#define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
    812OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
    813
    814#define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
    815DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
    816                         TYPE_SPAPR_IOMMU_MEMORY_REGION)
    817
    818struct SpaprTceTable {
    819    DeviceState parent;
    820    uint32_t liobn;
    821    uint32_t nb_table;
    822    uint64_t bus_offset;
    823    uint32_t page_shift;
    824    uint64_t *table;
    825    uint32_t mig_nb_table;
    826    uint64_t *mig_table;
    827    bool bypass;
    828    bool need_vfio;
    829    bool skipping_replay;
    830    int fd;
    831    MemoryRegion root;
    832    IOMMUMemoryRegion iommu;
    833    struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
    834    QLIST_ENTRY(SpaprTceTable) list;
    835};
    836
    837SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
    838
    839struct SpaprEventLogEntry {
    840    uint32_t summary;
    841    uint32_t extended_length;
    842    void *extended_log;
    843    QTAILQ_ENTRY(SpaprEventLogEntry) next;
    844};
    845
    846void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
    847void spapr_events_init(SpaprMachineState *sm);
    848void spapr_dt_events(SpaprMachineState *sm, void *fdt);
    849void close_htab_fd(SpaprMachineState *spapr);
    850void spapr_setup_hpt(SpaprMachineState *spapr);
    851void spapr_free_hpt(SpaprMachineState *spapr);
    852void spapr_check_mmu_mode(bool guest_radix);
    853SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
    854void spapr_tce_table_enable(SpaprTceTable *tcet,
    855                            uint32_t page_shift, uint64_t bus_offset,
    856                            uint32_t nb_table);
    857void spapr_tce_table_disable(SpaprTceTable *tcet);
    858void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
    859
    860MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
    861int spapr_dma_dt(void *fdt, int node_off, const char *propname,
    862                 uint32_t liobn, uint64_t window, uint32_t size);
    863int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
    864                      SpaprTceTable *tcet);
    865void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
    866void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
    867void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
    868void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
    869                                       uint32_t count);
    870void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
    871                                          uint32_t count);
    872void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
    873                                            uint32_t count, uint32_t index);
    874void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
    875                                               uint32_t count, uint32_t index);
    876int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
    877int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
    878void spapr_clear_pending_events(SpaprMachineState *spapr);
    879void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
    880void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
    881int spapr_max_server_number(SpaprMachineState *spapr);
    882void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
    883                      uint64_t pte0, uint64_t pte1);
    884void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
    885
    886/* DRC callbacks. */
    887void spapr_core_release(DeviceState *dev);
    888int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
    889                           void *fdt, int *fdt_start_offset, Error **errp);
    890void spapr_lmb_release(DeviceState *dev);
    891int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
    892                          void *fdt, int *fdt_start_offset, Error **errp);
    893void spapr_phb_release(DeviceState *dev);
    894int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
    895                          void *fdt, int *fdt_start_offset, Error **errp);
    896
    897void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
    898int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
    899
    900#define TYPE_SPAPR_RNG "spapr-rng"
    901
    902#define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
    903
    904/*
    905 * This defines the maximum number of DIMM slots we can have for sPAPR
    906 * guest. This is not defined by sPAPR but we are defining it to 32 slots
    907 * based on default number of slots provided by PowerPC kernel.
    908 */
    909#define SPAPR_MAX_RAM_SLOTS     32
    910
    911/* 1GB alignment for hotplug memory region */
    912#define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
    913
    914/*
    915 * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
    916 * property under ibm,dynamic-reconfiguration-memory node.
    917 */
    918#define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
    919
    920/*
    921 * Defines for flag value in ibm,dynamic-memory property under
    922 * ibm,dynamic-reconfiguration-memory node.
    923 */
    924#define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
    925#define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
    926#define SPAPR_LMB_FLAGS_RESERVED 0x00000080
    927#define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
    928
    929void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
    930
    931#define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
    932
    933int spapr_get_vcpu_id(PowerPCCPU *cpu);
    934bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
    935PowerPCCPU *spapr_find_cpu(int vcpu_id);
    936
    937int spapr_caps_pre_load(void *opaque);
    938int spapr_caps_pre_save(void *opaque);
    939
    940/*
    941 * Handling of optional capabilities
    942 */
    943extern const VMStateDescription vmstate_spapr_cap_htm;
    944extern const VMStateDescription vmstate_spapr_cap_vsx;
    945extern const VMStateDescription vmstate_spapr_cap_dfp;
    946extern const VMStateDescription vmstate_spapr_cap_cfpc;
    947extern const VMStateDescription vmstate_spapr_cap_sbbc;
    948extern const VMStateDescription vmstate_spapr_cap_ibs;
    949extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
    950extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
    951extern const VMStateDescription vmstate_spapr_cap_large_decr;
    952extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
    953extern const VMStateDescription vmstate_spapr_cap_fwnmi;
    954extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
    955
    956static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
    957{
    958    return spapr->eff.caps[cap];
    959}
    960
    961void spapr_caps_init(SpaprMachineState *spapr);
    962void spapr_caps_apply(SpaprMachineState *spapr);
    963void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
    964void spapr_caps_add_properties(SpaprMachineClass *smc);
    965int spapr_caps_post_migration(SpaprMachineState *spapr);
    966
    967bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
    968                          Error **errp);
    969/*
    970 * XIVE definitions
    971 */
    972#define SPAPR_OV5_XIVE_LEGACY   0x0
    973#define SPAPR_OV5_XIVE_EXPLOIT  0x40
    974#define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
    975
    976void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
    977hwaddr spapr_get_rtas_addr(void);
    978bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
    979
    980void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
    981void spapr_vof_quiesce(MachineState *ms);
    982bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
    983                       void *val, int vallen);
    984target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
    985                                target_ulong opcode, target_ulong *args);
    986target_ulong spapr_vof_client_architecture_support(MachineState *ms,
    987                                                   CPUState *cs,
    988                                                   target_ulong ovec_addr);
    989void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
    990
    991#endif /* HW_SPAPR_H */