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spapr.h (41752B)


      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 
     17 struct SpaprVioBus;
     18 struct SpaprPhbState;
     19 struct SpaprNvram;
     20 
     21 typedef struct SpaprEventLogEntry SpaprEventLogEntry;
     22 typedef struct SpaprEventSource SpaprEventSource;
     23 typedef 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 
     32 OBJECT_DECLARE_SIMPLE_TYPE(SpaprRtcState, SPAPR_RTC)
     33 
     34 struct SpaprRtcState {
     35     /*< private >*/
     36     DeviceState parent_obj;
     37     int64_t ns_offset;
     38 };
     39 
     40 typedef struct SpaprDimmState SpaprDimmState;
     41 
     42 #define TYPE_SPAPR_MACHINE      "spapr-machine"
     43 OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
     44 
     45 typedef 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 
    128 typedef struct SpaprCapabilities SpaprCapabilities;
    129 struct SpaprCapabilities {
    130     uint8_t caps[SPAPR_CAP_NUM];
    131 };
    132 
    133 /**
    134  * SpaprMachineClass:
    135  */
    136 struct 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 #define WDT_MAX_WATCHDOGS       4      /* Maximum number of watchdog devices */
    168 
    169 #define TYPE_SPAPR_WDT "spapr-wdt"
    170 OBJECT_DECLARE_SIMPLE_TYPE(SpaprWatchdog, SPAPR_WDT)
    171 
    172 typedef struct SpaprWatchdog {
    173     /*< private >*/
    174     DeviceState parent_obj;
    175     /*< public >*/
    176 
    177     QEMUTimer timer;
    178     uint8_t action;         /* One of PSERIES_WDTF_ACTION_xxx */
    179     uint8_t leave_others;   /* leaveOtherWatchdogsRunningOnTimeout */
    180 } SpaprWatchdog;
    181 
    182 /**
    183  * SpaprMachineState:
    184  */
    185 struct SpaprMachineState {
    186     /*< private >*/
    187     MachineState parent_obj;
    188 
    189     struct SpaprVioBus *vio_bus;
    190     QLIST_HEAD(, SpaprPhbState) phbs;
    191     struct SpaprNvram *nvram;
    192     SpaprRtcState rtc;
    193 
    194     SpaprResizeHpt resize_hpt;
    195     void *htab;
    196     uint32_t htab_shift;
    197     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROC_TBL */
    198     SpaprPendingHpt *pending_hpt; /* in-progress resize */
    199 
    200     hwaddr rma_size;
    201     uint32_t fdt_size;
    202     uint32_t fdt_initial_size;
    203     void *fdt_blob;
    204     long kernel_size;
    205     bool kernel_le;
    206     uint64_t kernel_addr;
    207     uint32_t initrd_base;
    208     long initrd_size;
    209     Vof *vof;
    210     uint64_t rtc_offset; /* Now used only during incoming migration */
    211     struct PPCTimebase tb;
    212     bool want_stdout_path;
    213     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
    214 
    215     /* Nested HV support (TCG only) */
    216     uint64_t nested_ptcr;
    217 
    218     Notifier epow_notifier;
    219     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
    220     bool use_hotplug_event_source;
    221     SpaprEventSource *event_sources;
    222 
    223     /* ibm,client-architecture-support option negotiation */
    224     bool cas_pre_isa3_guest;
    225     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
    226     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
    227     uint32_t max_compat_pvr;
    228 
    229     /* Migration state */
    230     int htab_save_index;
    231     bool htab_first_pass;
    232     int htab_fd;
    233 
    234     /* Pending DIMM unplug cache. It is populated when a LMB
    235      * unplug starts. It can be regenerated if a migration
    236      * occurs during the unplug process. */
    237     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
    238 
    239     /* State related to FWNMI option */
    240 
    241     /* System Reset and Machine Check Notification Routine addresses
    242      * registered by "ibm,nmi-register" RTAS call.
    243      */
    244     target_ulong fwnmi_system_reset_addr;
    245     target_ulong fwnmi_machine_check_addr;
    246 
    247     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
    248      * set to -1 if a FWNMI machine check is not in progress, else is set to
    249      * the CPU that was delivered the machine check, and is set back to -1
    250      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
    251      * to synchronize other CPUs.
    252      */
    253     int fwnmi_machine_check_interlock;
    254     QemuCond fwnmi_machine_check_interlock_cond;
    255 
    256     /* Set by -boot */
    257     char *boot_device;
    258 
    259     /*< public >*/
    260     char *kvm_type;
    261     char *host_model;
    262     char *host_serial;
    263 
    264     int32_t irq_map_nr;
    265     unsigned long *irq_map;
    266     SpaprIrq *irq;
    267     qemu_irq *qirqs;
    268     SpaprInterruptController *active_intc;
    269     ICSState *ics;
    270     SpaprXive *xive;
    271 
    272     bool cmd_line_caps[SPAPR_CAP_NUM];
    273     SpaprCapabilities def, eff, mig;
    274 
    275     unsigned gpu_numa_id;
    276     SpaprTpmProxy *tpm_proxy;
    277 
    278     uint32_t FORM1_assoc_array[NUMA_NODES_MAX_NUM][FORM1_NUMA_ASSOC_SIZE];
    279     uint32_t FORM2_assoc_array[NUMA_NODES_MAX_NUM][FORM2_NUMA_ASSOC_SIZE];
    280 
    281     Error *fwnmi_migration_blocker;
    282 
    283     SpaprWatchdog wds[WDT_MAX_WATCHDOGS];
    284 };
    285 
    286 #define H_SUCCESS         0
    287 #define H_BUSY            1        /* Hardware busy -- retry later */
    288 #define H_CLOSED          2        /* Resource closed */
    289 #define H_NOT_AVAILABLE   3
    290 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
    291 #define H_PARTIAL         5
    292 #define H_IN_PROGRESS     14       /* Kind of like busy */
    293 #define H_PAGE_REGISTERED 15
    294 #define H_PARTIAL_STORE   16
    295 #define H_PENDING         17       /* returned from H_POLL_PENDING */
    296 #define H_CONTINUE        18       /* Returned from H_Join on success */
    297 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
    298 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
    299                                                  is a good time to retry */
    300 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
    301                                                  is a good time to retry */
    302 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
    303                                                  is a good time to retry */
    304 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
    305                                                  is a good time to retry */
    306 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
    307                                                  is a good time to retry */
    308 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
    309                                                  is a good time to retry */
    310 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
    311 #define H_HARDWARE        -1       /* Hardware error */
    312 #define H_FUNCTION        -2       /* Function not supported */
    313 #define H_PRIVILEGE       -3       /* Caller not privileged */
    314 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
    315 #define H_BAD_MODE        -5       /* Illegal msr value */
    316 #define H_PTEG_FULL       -6       /* PTEG is full */
    317 #define H_NOT_FOUND       -7       /* PTE was not found" */
    318 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
    319 #define H_NO_MEM          -9
    320 #define H_AUTHORITY       -10
    321 #define H_PERMISSION      -11
    322 #define H_DROPPED         -12
    323 #define H_SOURCE_PARM     -13
    324 #define H_DEST_PARM       -14
    325 #define H_REMOTE_PARM     -15
    326 #define H_RESOURCE        -16
    327 #define H_ADAPTER_PARM    -17
    328 #define H_RH_PARM         -18
    329 #define H_RCQ_PARM        -19
    330 #define H_SCQ_PARM        -20
    331 #define H_EQ_PARM         -21
    332 #define H_RT_PARM         -22
    333 #define H_ST_PARM         -23
    334 #define H_SIGT_PARM       -24
    335 #define H_TOKEN_PARM      -25
    336 #define H_MLENGTH_PARM    -27
    337 #define H_MEM_PARM        -28
    338 #define H_MEM_ACCESS_PARM -29
    339 #define H_ATTR_PARM       -30
    340 #define H_PORT_PARM       -31
    341 #define H_MCG_PARM        -32
    342 #define H_VL_PARM         -33
    343 #define H_TSIZE_PARM      -34
    344 #define H_TRACE_PARM      -35
    345 
    346 #define H_MASK_PARM       -37
    347 #define H_MCG_FULL        -38
    348 #define H_ALIAS_EXIST     -39
    349 #define H_P_COUNTER       -40
    350 #define H_TABLE_FULL      -41
    351 #define H_ALT_TABLE       -42
    352 #define H_MR_CONDITION    -43
    353 #define H_NOT_ENOUGH_RESOURCES -44
    354 #define H_R_STATE         -45
    355 #define H_RESCINDEND      -46
    356 #define H_P2              -55
    357 #define H_P3              -56
    358 #define H_P4              -57
    359 #define H_P5              -58
    360 #define H_P6              -59
    361 #define H_P7              -60
    362 #define H_P8              -61
    363 #define H_P9              -62
    364 #define H_NOOP            -63
    365 #define H_UNSUPPORTED     -67
    366 #define H_OVERLAP         -68
    367 #define H_UNSUPPORTED_FLAG -256
    368 #define H_MULTI_THREADS_ACTIVE -9005
    369 
    370 
    371 /* Long Busy is a condition that can be returned by the firmware
    372  * when a call cannot be completed now, but the identical call
    373  * should be retried later.  This prevents calls blocking in the
    374  * firmware for long periods of time.  Annoyingly the firmware can return
    375  * a range of return codes, hinting at how long we should wait before
    376  * retrying.  If you don't care for the hint, the macro below is a good
    377  * way to check for the long_busy return codes
    378  */
    379 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
    380                             && (x <= H_LONG_BUSY_END_RANGE))
    381 
    382 /* Flags */
    383 #define H_LARGE_PAGE      (1ULL<<(63-16))
    384 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
    385 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
    386 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
    387 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
    388 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
    389 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
    390 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
    391 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
    392 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
    393 #define H_ANDCOND         (1ULL<<(63-33))
    394 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
    395 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
    396 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
    397 #define H_COPY_PAGE       (1ULL<<(63-49))
    398 #define H_N               (1ULL<<(63-61))
    399 #define H_PP1             (1ULL<<(63-62))
    400 #define H_PP2             (1ULL<<(63-63))
    401 
    402 /* Values for 2nd argument to H_SET_MODE */
    403 #define H_SET_MODE_RESOURCE_SET_CIABR           1
    404 #define H_SET_MODE_RESOURCE_SET_DAWR0           2
    405 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
    406 #define H_SET_MODE_RESOURCE_LE                  4
    407 
    408 /* Flags for H_SET_MODE_RESOURCE_LE */
    409 #define H_SET_MODE_ENDIAN_BIG    0
    410 #define H_SET_MODE_ENDIAN_LITTLE 1
    411 
    412 /* VASI States */
    413 #define H_VASI_INVALID    0
    414 #define H_VASI_ENABLED    1
    415 #define H_VASI_ABORTED    2
    416 #define H_VASI_SUSPENDING 3
    417 #define H_VASI_SUSPENDED  4
    418 #define H_VASI_RESUMED    5
    419 #define H_VASI_COMPLETED  6
    420 
    421 /* DABRX flags */
    422 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
    423 #define H_DABRX_KERNEL     (1ULL<<(63-62))
    424 #define H_DABRX_USER       (1ULL<<(63-63))
    425 
    426 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
    427 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
    428 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
    429 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
    430 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
    431 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
    432 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
    433 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
    434 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
    435 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
    436 
    437 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
    438 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
    439 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
    440 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
    441 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
    442 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
    443 
    444 /* Each control block has to be on a 4K boundary */
    445 #define H_CB_ALIGNMENT     4096
    446 
    447 /* pSeries hypervisor opcodes */
    448 #define H_REMOVE                0x04
    449 #define H_ENTER                 0x08
    450 #define H_READ                  0x0c
    451 #define H_CLEAR_MOD             0x10
    452 #define H_CLEAR_REF             0x14
    453 #define H_PROTECT               0x18
    454 #define H_GET_TCE               0x1c
    455 #define H_PUT_TCE               0x20
    456 #define H_SET_SPRG0             0x24
    457 #define H_SET_DABR              0x28
    458 #define H_PAGE_INIT             0x2c
    459 #define H_SET_ASR               0x30
    460 #define H_ASR_ON                0x34
    461 #define H_ASR_OFF               0x38
    462 #define H_LOGICAL_CI_LOAD       0x3c
    463 #define H_LOGICAL_CI_STORE      0x40
    464 #define H_LOGICAL_CACHE_LOAD    0x44
    465 #define H_LOGICAL_CACHE_STORE   0x48
    466 #define H_LOGICAL_ICBI          0x4c
    467 #define H_LOGICAL_DCBF          0x50
    468 #define H_GET_TERM_CHAR         0x54
    469 #define H_PUT_TERM_CHAR         0x58
    470 #define H_REAL_TO_LOGICAL       0x5c
    471 #define H_HYPERVISOR_DATA       0x60
    472 #define H_EOI                   0x64
    473 #define H_CPPR                  0x68
    474 #define H_IPI                   0x6c
    475 #define H_IPOLL                 0x70
    476 #define H_XIRR                  0x74
    477 #define H_PERFMON               0x7c
    478 #define H_MIGRATE_DMA           0x78
    479 #define H_REGISTER_VPA          0xDC
    480 #define H_CEDE                  0xE0
    481 #define H_CONFER                0xE4
    482 #define H_PROD                  0xE8
    483 #define H_GET_PPP               0xEC
    484 #define H_SET_PPP               0xF0
    485 #define H_PURR                  0xF4
    486 #define H_PIC                   0xF8
    487 #define H_REG_CRQ               0xFC
    488 #define H_FREE_CRQ              0x100
    489 #define H_VIO_SIGNAL            0x104
    490 #define H_SEND_CRQ              0x108
    491 #define H_COPY_RDMA             0x110
    492 #define H_REGISTER_LOGICAL_LAN  0x114
    493 #define H_FREE_LOGICAL_LAN      0x118
    494 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
    495 #define H_SEND_LOGICAL_LAN      0x120
    496 #define H_BULK_REMOVE           0x124
    497 #define H_MULTICAST_CTRL        0x130
    498 #define H_SET_XDABR             0x134
    499 #define H_STUFF_TCE             0x138
    500 #define H_PUT_TCE_INDIRECT      0x13C
    501 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
    502 #define H_VTERM_PARTNER_INFO    0x150
    503 #define H_REGISTER_VTERM        0x154
    504 #define H_FREE_VTERM            0x158
    505 #define H_RESET_EVENTS          0x15C
    506 #define H_ALLOC_RESOURCE        0x160
    507 #define H_FREE_RESOURCE         0x164
    508 #define H_MODIFY_QP             0x168
    509 #define H_QUERY_QP              0x16C
    510 #define H_REREGISTER_PMR        0x170
    511 #define H_REGISTER_SMR          0x174
    512 #define H_QUERY_MR              0x178
    513 #define H_QUERY_MW              0x17C
    514 #define H_QUERY_HCA             0x180
    515 #define H_QUERY_PORT            0x184
    516 #define H_MODIFY_PORT           0x188
    517 #define H_DEFINE_AQP1           0x18C
    518 #define H_GET_TRACE_BUFFER      0x190
    519 #define H_DEFINE_AQP0           0x194
    520 #define H_RESIZE_MR             0x198
    521 #define H_ATTACH_MCQP           0x19C
    522 #define H_DETACH_MCQP           0x1A0
    523 #define H_CREATE_RPT            0x1A4
    524 #define H_REMOVE_RPT            0x1A8
    525 #define H_REGISTER_RPAGES       0x1AC
    526 #define H_DISABLE_AND_GETC      0x1B0
    527 #define H_ERROR_DATA            0x1B4
    528 #define H_GET_HCA_INFO          0x1B8
    529 #define H_GET_PERF_COUNT        0x1BC
    530 #define H_MANAGE_TRACE          0x1C0
    531 #define H_GET_CPU_CHARACTERISTICS 0x1C8
    532 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
    533 #define H_QUERY_INT_STATE       0x1E4
    534 #define H_POLL_PENDING          0x1D8
    535 #define H_ILLAN_ATTRIBUTES      0x244
    536 #define H_MODIFY_HEA_QP         0x250
    537 #define H_QUERY_HEA_QP          0x254
    538 #define H_QUERY_HEA             0x258
    539 #define H_QUERY_HEA_PORT        0x25C
    540 #define H_MODIFY_HEA_PORT       0x260
    541 #define H_REG_BCMC              0x264
    542 #define H_DEREG_BCMC            0x268
    543 #define H_REGISTER_HEA_RPAGES   0x26C
    544 #define H_DISABLE_AND_GET_HEA   0x270
    545 #define H_GET_HEA_INFO          0x274
    546 #define H_ALLOC_HEA_RESOURCE    0x278
    547 #define H_ADD_CONN              0x284
    548 #define H_DEL_CONN              0x288
    549 #define H_JOIN                  0x298
    550 #define H_VASI_STATE            0x2A4
    551 #define H_ENABLE_CRQ            0x2B0
    552 #define H_GET_EM_PARMS          0x2B8
    553 #define H_SET_MPP               0x2D0
    554 #define H_GET_MPP               0x2D4
    555 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
    556 #define H_XIRR_X                0x2FC
    557 #define H_RANDOM                0x300
    558 #define H_SET_MODE              0x31C
    559 #define H_RESIZE_HPT_PREPARE    0x36C
    560 #define H_RESIZE_HPT_COMMIT     0x370
    561 #define H_CLEAN_SLB             0x374
    562 #define H_INVALIDATE_PID        0x378
    563 #define H_REGISTER_PROC_TBL     0x37C
    564 #define H_SIGNAL_SYS_RESET      0x380
    565 
    566 #define H_INT_GET_SOURCE_INFO   0x3A8
    567 #define H_INT_SET_SOURCE_CONFIG 0x3AC
    568 #define H_INT_GET_SOURCE_CONFIG 0x3B0
    569 #define H_INT_GET_QUEUE_INFO    0x3B4
    570 #define H_INT_SET_QUEUE_CONFIG  0x3B8
    571 #define H_INT_GET_QUEUE_CONFIG  0x3BC
    572 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
    573 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
    574 #define H_INT_ESB               0x3C8
    575 #define H_INT_SYNC              0x3CC
    576 #define H_INT_RESET             0x3D0
    577 #define H_SCM_READ_METADATA     0x3E4
    578 #define H_SCM_WRITE_METADATA    0x3E8
    579 #define H_SCM_BIND_MEM          0x3EC
    580 #define H_SCM_UNBIND_MEM        0x3F0
    581 #define H_SCM_UNBIND_ALL        0x3FC
    582 #define H_SCM_HEALTH            0x400
    583 #define H_RPT_INVALIDATE        0x448
    584 #define H_SCM_FLUSH             0x44C
    585 #define H_WATCHDOG              0x45C
    586 
    587 #define MAX_HCALL_OPCODE        H_WATCHDOG
    588 
    589 /* The hcalls above are standardized in PAPR and implemented by pHyp
    590  * as well.
    591  *
    592  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
    593  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
    594  * for "platform-specific" hcalls.
    595  */
    596 #define KVMPPC_HCALL_BASE       0xf000
    597 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
    598 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
    599 /* Client Architecture support */
    600 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
    601 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
    602 /* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
    603 #define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
    604 
    605 /* Platform-specific hcalls used for nested HV KVM */
    606 #define KVMPPC_H_SET_PARTITION_TABLE   (KVMPPC_HCALL_BASE + 0x800)
    607 #define KVMPPC_H_ENTER_NESTED          (KVMPPC_HCALL_BASE + 0x804)
    608 #define KVMPPC_H_TLB_INVALIDATE        (KVMPPC_HCALL_BASE + 0x808)
    609 #define KVMPPC_H_COPY_TOFROM_GUEST     (KVMPPC_HCALL_BASE + 0x80C)
    610 
    611 #define KVMPPC_HCALL_MAX        KVMPPC_H_COPY_TOFROM_GUEST
    612 
    613 /*
    614  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
    615  * Secure VM mode via an Ultravisor / Protected Execution Facility
    616  */
    617 #define SVM_HCALL_BASE              0xEF00
    618 #define SVM_H_TPM_COMM              0xEF10
    619 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
    620 
    621 /*
    622  * Register state for entering a nested guest with H_ENTER_NESTED.
    623  * New member must be added at the end.
    624  */
    625 struct kvmppc_hv_guest_state {
    626     uint64_t version;      /* version of this structure layout, must be first */
    627     uint32_t lpid;
    628     uint32_t vcpu_token;
    629     /* These registers are hypervisor privileged (at least for writing) */
    630     uint64_t lpcr;
    631     uint64_t pcr;
    632     uint64_t amor;
    633     uint64_t dpdes;
    634     uint64_t hfscr;
    635     int64_t tb_offset;
    636     uint64_t dawr0;
    637     uint64_t dawrx0;
    638     uint64_t ciabr;
    639     uint64_t hdec_expiry;
    640     uint64_t purr;
    641     uint64_t spurr;
    642     uint64_t ic;
    643     uint64_t vtb;
    644     uint64_t hdar;
    645     uint64_t hdsisr;
    646     uint64_t heir;
    647     uint64_t asdr;
    648     /* These are OS privileged but need to be set late in guest entry */
    649     uint64_t srr0;
    650     uint64_t srr1;
    651     uint64_t sprg[4];
    652     uint64_t pidr;
    653     uint64_t cfar;
    654     uint64_t ppr;
    655     /* Version 1 ends here */
    656     uint64_t dawr1;
    657     uint64_t dawrx1;
    658     /* Version 2 ends here */
    659 };
    660 
    661 /* Latest version of hv_guest_state structure */
    662 #define HV_GUEST_STATE_VERSION  2
    663 
    664 /* Linux 64-bit powerpc pt_regs struct, used by nested HV */
    665 struct kvmppc_pt_regs {
    666     uint64_t gpr[32];
    667     uint64_t nip;
    668     uint64_t msr;
    669     uint64_t orig_gpr3;    /* Used for restarting system calls */
    670     uint64_t ctr;
    671     uint64_t link;
    672     uint64_t xer;
    673     uint64_t ccr;
    674     uint64_t softe;        /* Soft enabled/disabled */
    675     uint64_t trap;         /* Reason for being here */
    676     uint64_t dar;          /* Fault registers */
    677     uint64_t dsisr;        /* on 4xx/Book-E used for ESR */
    678     uint64_t result;       /* Result of a system call */
    679 };
    680 
    681 typedef struct SpaprDeviceTreeUpdateHeader {
    682     uint32_t version_id;
    683 } SpaprDeviceTreeUpdateHeader;
    684 
    685 #define hcall_dprintf(fmt, ...) \
    686     do { \
    687         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
    688     } while (0)
    689 
    690 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
    691                                        target_ulong opcode,
    692                                        target_ulong *args);
    693 
    694 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
    695 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
    696                              target_ulong *args);
    697 
    698 void spapr_exit_nested(PowerPCCPU *cpu, int excp);
    699 
    700 target_ulong softmmu_resize_hpt_prepare(PowerPCCPU *cpu, SpaprMachineState *spapr,
    701                                          target_ulong shift);
    702 target_ulong softmmu_resize_hpt_commit(PowerPCCPU *cpu, SpaprMachineState *spapr,
    703                                         target_ulong flags, target_ulong shift);
    704 bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
    705 void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
    706 
    707 /* Virtual Processor Area structure constants */
    708 #define VPA_MIN_SIZE           640
    709 #define VPA_SIZE_OFFSET        0x4
    710 #define VPA_SHARED_PROC_OFFSET 0x9
    711 #define VPA_SHARED_PROC_VAL    0x2
    712 #define VPA_DISPATCH_COUNTER   0x100
    713 
    714 /* ibm,set-eeh-option */
    715 #define RTAS_EEH_DISABLE                 0
    716 #define RTAS_EEH_ENABLE                  1
    717 #define RTAS_EEH_THAW_IO                 2
    718 #define RTAS_EEH_THAW_DMA                3
    719 
    720 /* ibm,get-config-addr-info2 */
    721 #define RTAS_GET_PE_ADDR                 0
    722 #define RTAS_GET_PE_MODE                 1
    723 #define RTAS_PE_MODE_NONE                0
    724 #define RTAS_PE_MODE_NOT_SHARED          1
    725 #define RTAS_PE_MODE_SHARED              2
    726 
    727 /* ibm,read-slot-reset-state2 */
    728 #define RTAS_EEH_PE_STATE_NORMAL         0
    729 #define RTAS_EEH_PE_STATE_RESET          1
    730 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
    731 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
    732 #define RTAS_EEH_PE_STATE_UNAVAIL        5
    733 #define RTAS_EEH_NOT_SUPPORT             0
    734 #define RTAS_EEH_SUPPORT                 1
    735 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
    736 #define RTAS_EEH_PE_RECOVER_INFO         0
    737 
    738 /* ibm,set-slot-reset */
    739 #define RTAS_SLOT_RESET_DEACTIVATE       0
    740 #define RTAS_SLOT_RESET_HOT              1
    741 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
    742 
    743 /* ibm,slot-error-detail */
    744 #define RTAS_SLOT_TEMP_ERR_LOG           1
    745 #define RTAS_SLOT_PERM_ERR_LOG           2
    746 
    747 /* RTAS return codes */
    748 #define RTAS_OUT_SUCCESS                        0
    749 #define RTAS_OUT_NO_ERRORS_FOUND                1
    750 #define RTAS_OUT_HW_ERROR                       -1
    751 #define RTAS_OUT_BUSY                           -2
    752 #define RTAS_OUT_PARAM_ERROR                    -3
    753 #define RTAS_OUT_NOT_SUPPORTED                  -3
    754 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
    755 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
    756 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
    757 
    758 /* DDW pagesize mask values from ibm,query-pe-dma-window */
    759 #define RTAS_DDW_PGSIZE_4K       0x01
    760 #define RTAS_DDW_PGSIZE_64K      0x02
    761 #define RTAS_DDW_PGSIZE_16M      0x04
    762 #define RTAS_DDW_PGSIZE_32M      0x08
    763 #define RTAS_DDW_PGSIZE_64M      0x10
    764 #define RTAS_DDW_PGSIZE_128M     0x20
    765 #define RTAS_DDW_PGSIZE_256M     0x40
    766 #define RTAS_DDW_PGSIZE_16G      0x80
    767 #define RTAS_DDW_PGSIZE_2M       0x100
    768 
    769 /* RTAS tokens */
    770 #define RTAS_TOKEN_BASE      0x2000
    771 
    772 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
    773 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
    774 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
    775 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
    776 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
    777 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
    778 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
    779 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
    780 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
    781 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
    782 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
    783 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
    784 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
    785 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
    786 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
    787 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
    788 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
    789 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
    790 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
    791 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
    792 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
    793 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
    794 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
    795 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
    796 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
    797 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
    798 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
    799 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
    800 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
    801 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
    802 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
    803 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
    804 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
    805 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
    806 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
    807 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
    808 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
    809 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
    810 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
    811 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
    812 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
    813 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
    814 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
    815 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
    816 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
    817 
    818 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
    819 
    820 /* RTAS ibm,get-system-parameter token values */
    821 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
    822 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
    823 #define RTAS_SYSPARM_UUID                        48
    824 
    825 /* RTAS indicator/sensor types
    826  *
    827  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
    828  *
    829  * NOTE: currently only DR-related sensors are implemented here
    830  */
    831 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
    832 #define RTAS_SENSOR_TYPE_DR                     9002
    833 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
    834 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
    835 
    836 /* Possible values for the platform-processor-diagnostics-run-mode parameter
    837  * of the RTAS ibm,get-system-parameter call.
    838  */
    839 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
    840 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
    841 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
    842 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
    843 
    844 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
    845 {
    846     return addr & ~0xF000000000000000ULL;
    847 }
    848 
    849 static inline uint32_t rtas_ld(target_ulong phys, int n)
    850 {
    851     return ldl_be_phys(&address_space_memory,
    852                        ppc64_phys_to_real(phys + 4 * n));
    853 }
    854 
    855 static inline uint64_t rtas_ldq(target_ulong phys, int n)
    856 {
    857     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
    858 }
    859 
    860 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
    861 {
    862     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4 * n), val);
    863 }
    864 
    865 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
    866                               uint32_t token,
    867                               uint32_t nargs, target_ulong args,
    868                               uint32_t nret, target_ulong rets);
    869 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
    870 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
    871                              uint32_t token, uint32_t nargs, target_ulong args,
    872                              uint32_t nret, target_ulong rets);
    873 void spapr_dt_rtas_tokens(void *fdt, int rtas);
    874 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
    875 
    876 #define SPAPR_TCE_PAGE_SHIFT   12
    877 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
    878 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
    879 
    880 #define SPAPR_VIO_BASE_LIOBN    0x00000000
    881 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
    882 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
    883     (0x80000000 | ((phb_index) << 8) | (window_num))
    884 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
    885 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
    886 
    887 #define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
    888 #define RTAS_ERROR_LOG_MAX      2048
    889 
    890 /* Offset from rtas-base where error log is placed */
    891 #define RTAS_ERROR_LOG_OFFSET       0x30
    892 
    893 #define RTAS_EVENT_SCAN_RATE    1
    894 
    895 /* This helper should be used to encode interrupt specifiers when the related
    896  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
    897  * VIO devices, RTAS event sources and PHBs).
    898  */
    899 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
    900 {
    901     intspec[0] = cpu_to_be32(irq);
    902     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
    903 }
    904 
    905 
    906 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
    907 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
    908 
    909 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
    910 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
    911                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
    912 
    913 struct SpaprTceTable {
    914     DeviceState parent;
    915     uint32_t liobn;
    916     uint32_t nb_table;
    917     uint64_t bus_offset;
    918     uint32_t page_shift;
    919     uint64_t *table;
    920     uint32_t mig_nb_table;
    921     uint64_t *mig_table;
    922     bool bypass;
    923     bool need_vfio;
    924     bool skipping_replay;
    925     bool def_win;
    926     int fd;
    927     MemoryRegion root;
    928     IOMMUMemoryRegion iommu;
    929     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
    930     QLIST_ENTRY(SpaprTceTable) list;
    931 };
    932 
    933 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
    934 
    935 struct SpaprEventLogEntry {
    936     uint32_t summary;
    937     uint32_t extended_length;
    938     void *extended_log;
    939     QTAILQ_ENTRY(SpaprEventLogEntry) next;
    940 };
    941 
    942 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
    943 void spapr_events_init(SpaprMachineState *sm);
    944 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
    945 void close_htab_fd(SpaprMachineState *spapr);
    946 void spapr_setup_hpt(SpaprMachineState *spapr);
    947 void spapr_free_hpt(SpaprMachineState *spapr);
    948 void spapr_check_mmu_mode(bool guest_radix);
    949 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
    950 void spapr_tce_table_enable(SpaprTceTable *tcet,
    951                             uint32_t page_shift, uint64_t bus_offset,
    952                             uint32_t nb_table);
    953 void spapr_tce_table_disable(SpaprTceTable *tcet);
    954 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
    955 
    956 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
    957 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
    958                  uint32_t liobn, uint64_t window, uint32_t size);
    959 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
    960                       SpaprTceTable *tcet);
    961 void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
    962 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
    963 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
    964 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
    965                                        uint32_t count);
    966 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
    967                                           uint32_t count);
    968 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
    969                                             uint32_t count, uint32_t index);
    970 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
    971                                                uint32_t count, uint32_t index);
    972 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
    973 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
    974 void spapr_clear_pending_events(SpaprMachineState *spapr);
    975 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
    976 void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
    977 int spapr_max_server_number(SpaprMachineState *spapr);
    978 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
    979                       uint64_t pte0, uint64_t pte1);
    980 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
    981 
    982 /* DRC callbacks. */
    983 void spapr_core_release(DeviceState *dev);
    984 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
    985                            void *fdt, int *fdt_start_offset, Error **errp);
    986 void spapr_lmb_release(DeviceState *dev);
    987 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
    988                           void *fdt, int *fdt_start_offset, Error **errp);
    989 void spapr_phb_release(DeviceState *dev);
    990 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
    991                           void *fdt, int *fdt_start_offset, Error **errp);
    992 
    993 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
    994 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
    995 
    996 #define TYPE_SPAPR_RNG "spapr-rng"
    997 
    998 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
    999 
   1000 /*
   1001  * This defines the maximum number of DIMM slots we can have for sPAPR
   1002  * guest. This is not defined by sPAPR but we are defining it to 32 slots
   1003  * based on default number of slots provided by PowerPC kernel.
   1004  */
   1005 #define SPAPR_MAX_RAM_SLOTS     32
   1006 
   1007 /* 1GB alignment for hotplug memory region */
   1008 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
   1009 
   1010 /*
   1011  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
   1012  * property under ibm,dynamic-reconfiguration-memory node.
   1013  */
   1014 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
   1015 
   1016 /*
   1017  * Defines for flag value in ibm,dynamic-memory property under
   1018  * ibm,dynamic-reconfiguration-memory node.
   1019  */
   1020 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
   1021 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
   1022 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
   1023 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
   1024 
   1025 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
   1026 
   1027 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
   1028 
   1029 int spapr_get_vcpu_id(PowerPCCPU *cpu);
   1030 bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
   1031 PowerPCCPU *spapr_find_cpu(int vcpu_id);
   1032 
   1033 int spapr_caps_pre_load(void *opaque);
   1034 int spapr_caps_pre_save(void *opaque);
   1035 
   1036 /*
   1037  * Handling of optional capabilities
   1038  */
   1039 extern const VMStateDescription vmstate_spapr_cap_htm;
   1040 extern const VMStateDescription vmstate_spapr_cap_vsx;
   1041 extern const VMStateDescription vmstate_spapr_cap_dfp;
   1042 extern const VMStateDescription vmstate_spapr_cap_cfpc;
   1043 extern const VMStateDescription vmstate_spapr_cap_sbbc;
   1044 extern const VMStateDescription vmstate_spapr_cap_ibs;
   1045 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
   1046 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
   1047 extern const VMStateDescription vmstate_spapr_cap_large_decr;
   1048 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
   1049 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
   1050 extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
   1051 extern const VMStateDescription vmstate_spapr_wdt;
   1052 
   1053 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
   1054 {
   1055     return spapr->eff.caps[cap];
   1056 }
   1057 
   1058 void spapr_caps_init(SpaprMachineState *spapr);
   1059 void spapr_caps_apply(SpaprMachineState *spapr);
   1060 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
   1061 void spapr_caps_add_properties(SpaprMachineClass *smc);
   1062 int spapr_caps_post_migration(SpaprMachineState *spapr);
   1063 
   1064 bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
   1065                           Error **errp);
   1066 /*
   1067  * XIVE definitions
   1068  */
   1069 #define SPAPR_OV5_XIVE_LEGACY   0x0
   1070 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
   1071 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
   1072 
   1073 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
   1074 hwaddr spapr_get_rtas_addr(void);
   1075 bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
   1076 
   1077 void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
   1078 void spapr_vof_quiesce(MachineState *ms);
   1079 bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
   1080                        void *val, int vallen);
   1081 target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
   1082                                 target_ulong opcode, target_ulong *args);
   1083 target_ulong spapr_vof_client_architecture_support(MachineState *ms,
   1084                                                    CPUState *cs,
   1085                                                    target_ulong ovec_addr);
   1086 void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
   1087 
   1088 /* H_WATCHDOG */
   1089 void spapr_watchdog_init(SpaprMachineState *spapr);
   1090 
   1091 #endif /* HW_SPAPR_H */