hvcall.h

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#ifndef _ASM_POWERPC_HVCALL_H
#define _ASM_POWERPC_HVCALL_H
#ifdef __KERNEL__

#define HVSC            .long 0x44000022

#define H_SUCCESS   0
#define H_BUSY      1   /* Hardware busy -- retry later */
#define H_CLOSED    2   /* Resource closed */
#define H_NOT_AVAILABLE 3
#define H_CONSTRAINED   4   /* Resource request constrained to max allowed */
#define H_PARTIAL       5
#define H_IN_PROGRESS   14  /* Kind of like busy */
#define H_PAGE_REGISTERED 15
#define H_PARTIAL_STORE   16
#define H_PENDING   17  /* returned from H_POLL_PENDING */
#define H_CONTINUE  18  /* Returned from H_Join on success */
#define H_LONG_BUSY_START_RANGE     9900  /* Start of long busy range */
#define H_LONG_BUSY_ORDER_1_MSEC    9900  /* Long busy, hint that 1msec \
                         is a good time to retry */
#define H_LONG_BUSY_ORDER_10_MSEC   9901  /* Long busy, hint that 10msec \
                         is a good time to retry */
#define H_LONG_BUSY_ORDER_100_MSEC  9902  /* Long busy, hint that 100msec \
                         is a good time to retry */
#define H_LONG_BUSY_ORDER_1_SEC     9903  /* Long busy, hint that 1sec \
                         is a good time to retry */
#define H_LONG_BUSY_ORDER_10_SEC    9904  /* Long busy, hint that 10sec \
                         is a good time to retry */
#define H_LONG_BUSY_ORDER_100_SEC   9905  /* Long busy, hint that 100sec \
                         is a good time to retry */
#define H_LONG_BUSY_END_RANGE       9905  /* End of long busy range */

/* Internal value used in book3s_hv kvm support; not returned to guests */
#define H_TOO_HARD  9999

#define H_HARDWARE  -1  /* Hardware error */
#define H_FUNCTION  -2  /* Function not supported */
#define H_PRIVILEGE -3  /* Caller not privileged */
#define H_PARAMETER -4  /* Parameter invalid, out-of-range or conflicting */
#define H_BAD_MODE  -5  /* Illegal msr value */
#define H_PTEG_FULL -6  /* PTEG is full */
#define H_NOT_FOUND -7  /* PTE was not found" */
#define H_RESERVED_DABR -8  /* DABR address is reserved by the hypervisor on this processor" */
#define H_NO_MEM    -9
#define H_AUTHORITY -10
#define H_PERMISSION    -11
#define H_DROPPED   -12
#define H_SOURCE_PARM   -13
#define H_DEST_PARM -14
#define H_REMOTE_PARM   -15
#define H_RESOURCE  -16
#define H_ADAPTER_PARM  -17
#define H_RH_PARM       -18
#define H_RCQ_PARM      -19
#define H_SCQ_PARM      -20
#define H_EQ_PARM       -21
#define H_RT_PARM       -22
#define H_ST_PARM       -23
#define H_SIGT_PARM     -24
#define H_TOKEN_PARM    -25
#define H_MLENGTH_PARM  -27
#define H_MEM_PARM      -28
#define H_MEM_ACCESS_PARM -29
#define H_ATTR_PARM     -30
#define H_PORT_PARM     -31
#define H_MCG_PARM      -32
#define H_VL_PARM       -33
#define H_TSIZE_PARM    -34
#define H_TRACE_PARM    -35

#define H_MASK_PARM     -37
#define H_MCG_FULL      -38
#define H_ALIAS_EXIST   -39
#define H_P_COUNTER     -40
#define H_TABLE_FULL    -41
#define H_ALT_TABLE     -42
#define H_MR_CONDITION  -43
#define H_NOT_ENOUGH_RESOURCES -44
#define H_R_STATE       -45
#define H_RESCINDED     -46
#define H_P2        -55
#define H_P3        -56
#define H_P4        -57
#define H_P5        -58
#define H_P6        -59
#define H_P7        -60
#define H_P8        -61
#define H_P9        -62
#define H_TOO_BIG   -64
#define H_OVERLAP   -68
#define H_INTERRUPT -69
#define H_BAD_DATA  -70
#define H_NOT_ACTIVE    -71
#define H_SG_LIST   -72
#define H_OP_MODE   -73
#define H_COP_HW    -74
#define H_UNSUPPORTED_FLAG_START    -256
#define H_UNSUPPORTED_FLAG_END      -511
#define H_MULTI_THREADS_ACTIVE  -9005
#define H_OUTSTANDING_COP_OPS   -9006


/* Long Busy is a condition that can be returned by the firmware
 * when a call cannot be completed now, but the identical call
 * should be retried later.  This prevents calls blocking in the
 * firmware for long periods of time.  Annoyingly the firmware can return
 * a range of return codes, hinting at how long we should wait before
 * retrying.  If you don't care for the hint, the macro below is a good
 * way to check for the long_busy return codes
 */
#define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
                 && (x <= H_LONG_BUSY_END_RANGE))

/* Flags */
#define H_LARGE_PAGE        (1UL<<(63-16))
#define H_EXACT         (1UL<<(63-24))  /* Use exact PTE or return H_PTEG_FULL */
#define H_R_XLATE       (1UL<<(63-25))  /* include a valid logical page num in the pte if the valid bit is set */
#define H_READ_4        (1UL<<(63-26))  /* Return 4 PTEs */
#define H_PAGE_STATE_CHANGE (1UL<<(63-28))
#define H_PAGE_UNUSED       ((1UL<<(63-29)) | (1UL<<(63-30)))
#define H_PAGE_SET_UNUSED   (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
#define H_PAGE_SET_LOANED   (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
#define H_PAGE_SET_ACTIVE   H_PAGE_STATE_CHANGE
#define H_AVPN          (1UL<<(63-32))  /* An avpn is provided as a sanity test */
#define H_ANDCOND       (1UL<<(63-33))
#define H_LOCAL         (1UL<<(63-35))
#define H_ICACHE_INVALIDATE (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
#define H_ICACHE_SYNCHRONIZE    (1UL<<(63-41))  /* dcbst, icbi, etc (ignored for IO pages */
#define H_COALESCE_CAND (1UL<<(63-42))  /* page is a good candidate for coalescing */
#define H_ZERO_PAGE     (1UL<<(63-48))  /* zero the page before mapping (ignored for IO pages) */
#define H_COPY_PAGE     (1UL<<(63-49))
#define H_N         (1UL<<(63-61))
#define H_PP1           (1UL<<(63-62))
#define H_PP2           (1UL<<(63-63))

/* Flags for H_REGISTER_VPA subfunction field */
#define H_VPA_FUNC_SHIFT    (63-18) /* Bit posn of subfunction code */
#define H_VPA_FUNC_MASK     7UL
#define H_VPA_REG_VPA       1UL /* Register Virtual Processor Area */
#define H_VPA_REG_DTL       2UL /* Register Dispatch Trace Log */
#define H_VPA_REG_SLB       3UL /* Register SLB shadow buffer */
#define H_VPA_DEREG_VPA     5UL /* Deregister Virtual Processor Area */
#define H_VPA_DEREG_DTL     6UL /* Deregister Dispatch Trace Log */
#define H_VPA_DEREG_SLB     7UL /* Deregister SLB shadow buffer */

/* VASI States */
#define H_VASI_INVALID          0
#define H_VASI_ENABLED          1
#define H_VASI_ABORTED          2
#define H_VASI_SUSPENDING       3
#define H_VASI_SUSPENDED        4
#define H_VASI_RESUMED          5
#define H_VASI_COMPLETED        6

/* Each control block has to be on a 4K boundary */
#define H_CB_ALIGNMENT          4096

/* pSeries hypervisor opcodes */
#define H_REMOVE        0x04
#define H_ENTER         0x08
#define H_READ          0x0c
#define H_CLEAR_MOD     0x10
#define H_CLEAR_REF     0x14
#define H_PROTECT       0x18
#define H_GET_TCE       0x1c
#define H_PUT_TCE       0x20
#define H_SET_SPRG0     0x24
#define H_SET_DABR      0x28
#define H_PAGE_INIT     0x2c
#define H_SET_ASR       0x30
#define H_ASR_ON        0x34
#define H_ASR_OFF       0x38
#define H_LOGICAL_CI_LOAD   0x3c
#define H_LOGICAL_CI_STORE  0x40
#define H_LOGICAL_CACHE_LOAD    0x44
#define H_LOGICAL_CACHE_STORE   0x48
#define H_LOGICAL_ICBI      0x4c
#define H_LOGICAL_DCBF      0x50
#define H_GET_TERM_CHAR     0x54
#define H_PUT_TERM_CHAR     0x58
#define H_REAL_TO_LOGICAL   0x5c
#define H_HYPERVISOR_DATA   0x60
#define H_EOI           0x64
#define H_CPPR          0x68
#define H_IPI           0x6c
#define H_IPOLL         0x70
#define H_XIRR          0x74
#define H_PERFMON       0x7c
#define H_MIGRATE_DMA       0x78
#define H_REGISTER_VPA      0xDC
#define H_CEDE          0xE0
#define H_CONFER        0xE4
#define H_PROD          0xE8
#define H_GET_PPP       0xEC
#define H_SET_PPP       0xF0
#define H_PURR          0xF4
#define H_PIC           0xF8
#define H_REG_CRQ       0xFC
#define H_FREE_CRQ      0x100
#define H_VIO_SIGNAL        0x104
#define H_SEND_CRQ      0x108
#define H_COPY_RDMA     0x110
#define H_REGISTER_LOGICAL_LAN  0x114
#define H_FREE_LOGICAL_LAN  0x118
#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
#define H_SEND_LOGICAL_LAN  0x120
#define H_BULK_REMOVE       0x124
#define H_MULTICAST_CTRL    0x130
#define H_SET_XDABR     0x134
#define H_STUFF_TCE     0x138
#define H_PUT_TCE_INDIRECT  0x13C
#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
#define H_VTERM_PARTNER_INFO    0x150
#define H_REGISTER_VTERM    0x154
#define H_FREE_VTERM        0x158
#define H_RESET_EVENTS          0x15C
#define H_ALLOC_RESOURCE        0x160
#define H_FREE_RESOURCE         0x164
#define H_MODIFY_QP             0x168
#define H_QUERY_QP              0x16C
#define H_REREGISTER_PMR        0x170
#define H_REGISTER_SMR          0x174
#define H_QUERY_MR              0x178
#define H_QUERY_MW              0x17C
#define H_QUERY_HCA             0x180
#define H_QUERY_PORT            0x184
#define H_MODIFY_PORT           0x188
#define H_DEFINE_AQP1           0x18C
#define H_GET_TRACE_BUFFER      0x190
#define H_DEFINE_AQP0           0x194
#define H_RESIZE_MR             0x198
#define H_ATTACH_MCQP           0x19C
#define H_DETACH_MCQP           0x1A0
#define H_CREATE_RPT            0x1A4
#define H_REMOVE_RPT            0x1A8
#define H_REGISTER_RPAGES       0x1AC
#define H_DISABLE_AND_GETC      0x1B0
#define H_ERROR_DATA            0x1B4
#define H_GET_HCA_INFO          0x1B8
#define H_GET_PERF_COUNT        0x1BC
#define H_MANAGE_TRACE          0x1C0
#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
#define H_QUERY_INT_STATE       0x1E4
#define H_POLL_PENDING      0x1D8
#define H_ILLAN_ATTRIBUTES  0x244
#define H_MODIFY_HEA_QP     0x250
#define H_QUERY_HEA_QP      0x254
#define H_QUERY_HEA     0x258
#define H_QUERY_HEA_PORT    0x25C
#define H_MODIFY_HEA_PORT   0x260
#define H_REG_BCMC      0x264
#define H_DEREG_BCMC        0x268
#define H_REGISTER_HEA_RPAGES   0x26C
#define H_DISABLE_AND_GET_HEA   0x270
#define H_GET_HEA_INFO      0x274
#define H_ALLOC_HEA_RESOURCE    0x278
#define H_ADD_CONN      0x284
#define H_DEL_CONN      0x288
#define H_JOIN          0x298
#define H_VASI_STATE            0x2A4
#define H_ENABLE_CRQ        0x2B0
#define H_GET_EM_PARMS      0x2B8
#define H_SET_MPP       0x2D0
#define H_GET_MPP       0x2D4
#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
#define H_BEST_ENERGY       0x2F4
#define H_RANDOM        0x300
#define H_COP           0x304
#define H_GET_MPP_X     0x314
#define MAX_HCALL_OPCODE    H_GET_MPP_X

#ifndef __ASSEMBLY__

long plpar_hcall_norets(unsigned long opcode, ...);

#define PLPAR_HCALL_BUFSIZE 4
long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);

long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);

#define PLPAR_HCALL9_BUFSIZE 9
long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);

/* For hcall instrumentation.  One structure per-hcall, per-CPU */
struct hcall_stats {
    unsigned long   num_calls;  /* number of calls (on this CPU) */
    unsigned long   tb_total;   /* total wall time (mftb) of calls. */
    unsigned long   purr_total; /* total cpu time (PURR) of calls. */
    unsigned long   tb_start;
    unsigned long   purr_start;
};
#define HCALL_STAT_ARRAY_SIZE   ((MAX_HCALL_OPCODE >> 2) + 1)

struct hvcall_mpp_data {
    unsigned long entitled_mem;
    unsigned long mapped_mem;
    unsigned short group_num;
    unsigned short pool_num;
    unsigned char mem_weight;
    unsigned char unallocated_mem_weight;
    unsigned long unallocated_entitlement;  /* value in bytes */
    unsigned long pool_size;
    signed long loan_request;
    unsigned long backing_mem;
};

int h_get_mpp(struct hvcall_mpp_data *);

struct hvcall_mpp_x_data {
    unsigned long coalesced_bytes;
    unsigned long pool_coalesced_bytes;
    unsigned long pool_purr_cycles;
    unsigned long pool_spurr_cycles;
    unsigned long reserved[3];
};

int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);

#ifdef CONFIG_PPC_PSERIES
extern int CMO_PrPSP;
extern int CMO_SecPSP;
extern unsigned long CMO_PageSize;

static inline int cmo_get_primary_psp(void)
{
    return CMO_PrPSP;
}

static inline int cmo_get_secondary_psp(void)
{
    return CMO_SecPSP;
}

static inline unsigned long cmo_get_page_size(void)
{
    return CMO_PageSize;
}
#endif /* CONFIG_PPC_PSERIES */

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HVCALL_H */